CN205449487U - Car a steering system measuring device - Google Patents
Car a steering system measuring device Download PDFInfo
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- CN205449487U CN205449487U CN201521117601.7U CN201521117601U CN205449487U CN 205449487 U CN205449487 U CN 205449487U CN 201521117601 U CN201521117601 U CN 201521117601U CN 205449487 U CN205449487 U CN 205449487U
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Abstract
The utility model provides a car a steering system measuring device, include: T type groove platform is fixed with steering gear assembly and steering column assembly on the platform of T type groove, linear electric motor assembly structure, linear electric motor assembly structure includes: a linear electric motor and a mounting fixture, linear electric motor is connected with the steering gear assembly, drive steering mechanism assembly, drive steering mechanism assembly includes: the drive turns to motor and the 2nd mounting fixture, and the drive turns to the motor and is connected with the steering column assembly, measuring device, when the drive turns to the motor to steering column assembly output helping hand moment of torsion, pivoted angle when the control resistance of measurement linear electric motor output, linear electric motor's displacement, helping hand moment of torsion and drive turn to motor output helping hand moment of torsion, or at linear electric motor during to steering gear assembly output control helping hand, measure the resistance moment of torsion that the drive turned to motor output, the displacement of operation when the drive turns to motor pivoted angle, control helping hand and linear electric motor output control helping hand.
Description
Technical field
This utility model relates to motor turning technical field of performance test, particularly relates to a kind of automobile steering system measurement apparatus.
Background technology
The rotation of steering wheel is mainly become linear motion or the swing of pitman arm of tooth bar by steering, transition process mainly reduces transmission efficiency and increases steering torque, ensure that vehicle travels according to the wish of driver, make driver obtain correct road feel information by the feedback of steering gear simultaneously.The performance parameter of steering has influence on the control stability of car load, comfortableness and safety, and the research of the performance parameter of steering has great importance for improving vehicle performance.
At present, domestic had many enterprises, institution of higher learning to develop steering performance testing device, but domestic performance testing device many employings hydraulic actuator or spring load, loading system is complicated, loaded down with trivial details or can not the actual steering resistance of true simulated automotive, it is difficult to ensure that the simulation precision loading resistance, can not utilize the control system of test device self that executor's (such as loading motor) is controlled in real time.
Utility model content
The purpose of this utility model is to provide a kind of automobile steering system measurement apparatus, loading in order to solve existing steering performance testing device many employings hydraulic actuator or spring, loading system is complicated, loaded down with trivial details or can not the problem of the true actual steering resistance of simulated automotive.
To achieve these goals, this utility model provides a kind of automobile steering system measurement apparatus, including:
T-slot platform, the steering assembly that described T-slot platform is fixed with unit under test and the column assy being connected with described steering assembly；
It is arranged on described T-slot platform, and the linear electric motors assembly structure being connected with described steering assembly, described linear electric motors assembly structure includes: linear electric motors and described linear electric motors are fixed on the first stationary fixture on described T-slot platform, described linear electric motors are connected with described steering assembly, and export control power to described steering assembly；
It is arranged on described T-slot platform, and the driving steering mechanism assembly being connected with described column assy, described driving steering mechanism assembly includes: drive steer motor and described driving steer motor is fixed on the second stationary fixture on described T-slot platform, described driving steer motor is connected with described column assy, and controls moment of torsion to the output of described column assy；
Measurement apparatus, when described driving steer motor exports booster torquemoment to described column assy, measure the angle controlling to rotate when resistance, the displacement of described linear electric motors, described booster torquemoment and described driving steer motor export described booster torquemoment of described linear electric motors output；Or
When described linear electric motors control power-assisted to the output of described steering assembly, the displacement run when measuring the resistive torque of described driving steer motor output, the angle of described driving steer motor rotation, described control power-assisted and the described linear electric motors described control power-assisted of output.
Wherein, described first stationary fixture is in " several " character form structure, including: a horizontal plate, two vertical plates and two outer panels, two described vertical plates are symmetrically located at the both sides of described horizontal plate, and two described outer panels are symmetrically located at the both sides of two described vertical plates.
Wherein, described first stationary fixture also includes: be connected with described linear electric motors and described first stationary fixture respectively, adjusts the first adjustment structure of described linear electric motors height；
Wherein, described first adjusts structure includes the first adjusting screw and adjusts fixture, and one end of described adjustment fixture is fixed on described linear electric motors, and the other end of described first adjusting screw through the hole on described horizontal plate and is fixed by nut.
Wherein, described measurement apparatus includes: be fixed on described linear electric motors one end, and the pulling force sensor being connected with described column assy.
Wherein, described second stationary fixture includes:
It is fixed on the first firm banking on described T-slot platform；
First fixes axle, and described first one end fixing axle is connected with described first firm banking；
Second adjusting screw；
First fixed mount, described first fixed mount includes fixed part and the connecting portion of fixing described driving steer motor, described connecting portion is provided with the first connecting hole and the second connecting hole, described first other end fixing axle is connected with an adjustment handle after described first connecting hole, one end of described second adjusting screw is connected with described adjustment handle after described second connecting hole, makes described driving steer motor fix axle along described first by the described adjustment handle of rotation and moves.
Wherein, described measurement apparatus also includes the torque sensor being connected respectively with described driving steer motor and described column assy.
Wherein, above-mentioned automobile steering system measurement apparatus, also include:
3rd stationary fixture of fixing described steering assembly, described 3rd stationary fixture includes that two have mutually isostructural fixed support, and each described fixed support includes:
It is arranged at the second firm banking on described T-slot platform；
The annular being fixed on described second firm banking fixes beam, and described second firm banking is fixed contact shape and the described annular of part of beam and fixed the mating shapes of beam with described annular；
It is individually fixed in described annular and fixes two fixed dams of beam both sides；
The steering gear fixed support being connected, carrying described steering assembly is fixed with a described fixed dam.
Wherein, described annular is fixed beam and is included: fixes the medial wall of beam around described annular, fixes the Access Division that direction, the center of circle extension of beam is formed towards described annular, two described fixed dams are connected with described Access Division coupling, and two described fixed dams are bolted.
Wherein, above-mentioned automobile steering system measurement apparatus, also include:
4th stationary fixture of fixing described column assy, wherein, described 4th stationary fixture includes: be fixed on the 3rd firm banking on described T-slot platform；
Second fixes axle, and described second one end fixing axle is connected with described 3rd firm banking；
3rd adjusting screw；
Steering column fixed structure；
Second fixed mount, described second fixed mount includes first fixed structure and the second fixed structure being connected with described steering column fixed structure, two connecting holes it are provided with on described first fixed structure, described second other end fixing axle is connected with a leading screw adjustment handle after a described connecting hole, one end of described 3rd adjusting screw is connected with described leading screw adjustment handle after another described connecting hole, makes described column assy fix axle along described second by rotation described leading screw adjustment handle and moves.
Wherein, described steering column fixed structure includes:
The connection support being connected with described second fixed structure；
It is connected the rail structure that support connects with described；
It is connected with described rail structure, the steering column fixed support of fixing column assy；
It is connected with described steering column fixed support and described rail structure respectively, controls the control structure that described column assy slides along described rail structure.
This utility model embodiment has the advantages that
nullThe automobile steering system measurement apparatus of this utility model embodiment，By the steering assembly of unit under test、Column assy is both secured on T-slot platform，On T-slot platform, fix linear electric motors assembly structure simultaneously and drive steering mechanism's assembly，By linear electric motors assembly structure, the steering gear of unit under test is applied control power，And by driving steering mechanism's assembly to apply to control moment of torsion to the steering column of unit under test，Simultaneously，Gather the size of the control power of linear electric motors output、The displacement of linear electric motors、Control moment of torsion and drive steer motor output to control the angle rotated during moment of torsion，Thus the parameters of unit under test can be calculated according to the above-mentioned information collected，This utility model embodiment can the steering drag of true simulated automotive，And simple in construction、Easy for installation，Ensureing whole testing stand rigidity、Cost is reduced to greatest extent on the premise of intensity、It is convenient for changing，It is effectively increased test efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile steering system measurement apparatus of this utility model embodiment；
Fig. 2 is the structural representation of the automobile steering system measurement apparatus cathetus motor assembly structure of this utility model embodiment；
Fig. 3 is the explosive view of the automobile steering system measurement apparatus cathetus motor assembly structure of this utility model embodiment；
Fig. 4 be this utility model embodiment automobile steering system measurement apparatus in drive the structural representation of steering mechanism assembly；
Fig. 5 be this utility model embodiment automobile steering system measurement apparatus in drive the explosive view of steering mechanism assembly；
Fig. 6 be this utility model embodiment automobile steering system measurement apparatus in the structural representation of the 3rd stationary fixture；
Fig. 7 be this utility model embodiment automobile steering system measurement apparatus in the explosive view of the 3rd stationary fixture；
Fig. 8 be this utility model embodiment automobile steering system measurement apparatus in the structural representation of the 4th stationary fixture；
Fig. 9 be this utility model embodiment automobile steering system measurement apparatus in the explosive view of the 4th stationary fixture.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, it is described in detail below in conjunction with specific embodiment and accompanying drawing.
This utility model embodiment solves existing steering performance testing device many employings hydraulic actuator or spring and loads, and loading system is complicated, loaded down with trivial details or can not the problem of the true actual steering resistance of simulated automotive.This utility model embodiment provides a kind of automobile steering system measurement apparatus, as shown in Fig. 1-Fig. 9, including:
T-slot platform 1, the steering assembly 2 that described T-slot platform is fixed with unit under test and the column assy 3 being connected with described steering assembly；
It is arranged on described T-slot platform 1, and the linear electric motors assembly structure 4 being connected with described steering assembly 2, described linear electric motors assembly structure 4 includes: linear electric motors 41 and the first stationary fixture 42 being fixed on described T-slot platform 1 by described linear electric motors 41, described linear electric motors 41 are connected with described steering assembly 2, and export control power to described steering assembly 2；
It is arranged on described T-slot platform 1, and the driving steering mechanism assembly 5 being connected with described column assy 3, described driving steering mechanism assembly 5 includes: drive steer motor 51 and the second stationary fixture 52 described driving steer motor 51 being fixed on described T-slot platform 1, described driving steer motor 51 is connected with described column assy 3, and controls moment of torsion to the output of described column assy 3；
Measurement apparatus, when described driving steer motor 51 exports booster torquemoment to described column assy 3, measure the angle controlling to rotate when resistance, the displacement of described linear electric motors 41, described booster torquemoment and described driving steer motor 51 export described booster torquemoment of described linear electric motors 41 output；Or
When described linear electric motors 41 control power-assisted to the output of described steering assembly 2, measure the resistive torque of described driving steer motor 51 output, displacement that angle, described control power-assisted and described linear electric motors 41 that described driving steer motor 51 rotates run when exporting described control power-assisted.
In specific embodiment of the utility model, as shown in Figure 2 and Figure 5, described measurement apparatus may particularly include: is fixed on described linear electric motors 41 one end, and the pulling force sensor 6 being connected with described steering assembly 2, and the torque sensor 7 being connected with described driving steer motor 51 and described column assy 3 respectively, described pulling force sensor 6 is connected with described linear electric motors 41 by the first shaft coupling 8, torque sensor 7 is connected with described driving steer motor 51 by the second shaft coupling 9, above-mentioned driving steer motor 51 is specially disc type electric machine, and two ends at steering assembly are respectively provided with a linear electric motors assembly structure 4 in this utility model embodiment, the left and right sides real-time steering drag simulation can be carried out.
nullThe automobile steering system measurement apparatus of this utility model embodiment，By the steering assembly of unit under test、Column assy is both secured on T-slot platform，On T-slot platform, fix linear electric motors assembly structure simultaneously and drive steering mechanism's assembly，By linear electric motors assembly structure, the steering gear of unit under test is applied control power，And by driving steering mechanism's assembly to apply to control moment of torsion to the steering column of unit under test，Simultaneously，Gather the size of the control power of linear electric motors output、The displacement of linear electric motors、Control moment of torsion and drive steer motor output to control the angle rotated during moment of torsion，Thus the parameters of unit under test can be calculated according to the above-mentioned information collected，Including turning to friction、Steering gap、Turn to the number of turns、Turn to force measurement etc.，This utility model embodiment can the steering drag of true simulated automotive，And simple in construction、Easy for installation，Ensureing whole testing stand rigidity、Cost is reduced to greatest extent on the premise of intensity、It is convenient for changing，It is effectively increased test efficiency.
Further, as shown in Figures 2 and 3, described first stationary fixture 42 is in " several " character form structure, including: a horizontal plate, two vertical plates and two outer panels, two described vertical plates are symmetrically located at the both sides of described horizontal plate, and two described outer panels are symmetrically located at the both sides of two described vertical plates.It addition, the first stationary fixture 42 also includes being arranged at the vertical plate within " several " character form structure, this vertical plate is connected with two outer panels and horizontal plate respectively, plays good supporting role.Owing to this first stationary fixture is in " several " character form structure, it is possible to be fixed on T-slot platform 1 by linear electric motors 41 securely, and above-mentioned two outer panel is connected with T-slot platform 1 by bolt, conveniently removes and installs.
Further, above-mentioned first stationary fixture also includes: be connected with described linear electric motors 41 and described first stationary fixture 42 respectively, adjusts the first adjustment structure of described linear electric motors 41 height；Wherein, described first adjusts structure includes the first adjusting screw 43 and adjusts fixture 44, one end of described adjustment fixture 44 is fixed on described linear electric motors 41, the other end of described first adjusting screw 43 through the hole on described horizontal plate and is fixed by nut, the height of linear electric motors 41 can be adjusted by reversing the first adjusting screw 43, ensure the axis coinciding with unit under test, adjustment is fixed on the vertical plate within " several " character form structure by fixing bolt 45 after terminating, and then ensures that linear electric motors 41 can be tightly secured on the first stationary fixture 42.
In this utility model embodiment, linear electric motors 41 are internal is provided with the parts such as leading screw, rotation nut, it is the linear motion along axis by the translating rotation of motor, when mainly simulating vehicle turns to, steering gear is by the resistance of wheel, displacement transducer is had inside linear electric motors, can determine that the rectilinear path of steering gear, by linear electric motors displacement transducer, and pulling force sensor carries out accurately closed loop control to linear electric motors.
Further, as shown in Figure 4 and Figure 5, described second stationary fixture 52 includes:
The first firm banking 521 being fixed on described T-slot platform 1；
First fixes axle 522, and described first one end fixing axle 522 is connected with described first firm banking 521；
Second adjusting screw 523；
First fixed mount 524, described first fixed mount 524 includes fixed part and the connecting portion of fixing described driving steer motor 51, described connecting portion is provided with the first connecting hole and the second connecting hole, described first other end fixing axle 522 is connected with an adjustment handle 525 after described first connecting hole, one end of described second adjusting screw 523 is connected with described adjustment handle 525 after described second connecting hole, and be fixed with nut, make described driving steer motor 51 fix axle 522 along described first by the described adjustment handle 525 of rotation and move.Wherein, being additionally provided with the second adjusting screw bearing 526 and the second adjusting screw bearing block 527 between described adjustment handle 525 and the second adjusting screw 523, described second adjusting screw 523 and described first is fixed axle 522 and is all connected with described adjustment handle 525 by described second adjusting screw bearing 526 and described second adjusting screw bearing block 527.
nullWherein，As shown in Figure 5，Fixed part is a plectane，Connecting portion is a rectangular block，Two connecting holes it are provided with on this rectangular block，This plectane is connected with driving steer motor 51，Concrete，This utility model embodiment also includes: drive steering mechanism's fixture slide rail 528、Drive steer motor support base plate 529 and drive steer motor support 510，This driving steering mechanism fixture slide rail 528 is fixed on Circular plate structure，The fixing shape needed constantly according to test unit under test column assy is installed and carries out the adjustment of angle，Drive steer motor support base plate 529 and be fitted and connected with driving steering structure fixture slide rail 528，And driving steer motor 51 is fixed on described driving steer motor support 510，Shape and angle requirement finally according to unit under test，It is fixed on T-slot platform driving steering mechanism's assembly.Further, it is fixed with the second shaft coupling 9 in the one end driving steer motor 51, and by this first shaft coupling 9, the column assy 3 of torque sensor 7 with unit under test is coupled together, wherein, torque sensor 7 is fixed on torque sensor seat 71, and is connected fixing with described second shaft coupling 9 for this torque sensor seat 71.
Further, as shown in Figure 6 and Figure 7, the automobile steering system measurement apparatus of this utility model embodiment, also include:
3rd stationary fixture of fixing described steering assembly 2, described 3rd stationary fixture includes that two have mutually isostructural fixed support 10, and each described fixed support 10 includes:
The second firm banking 101 being arranged on described T-slot platform 1, concrete, arc connecting portion that described second firm banking 101 includes a base plate, the riser being arranged at base plate opposite sides and is arranged between two risers and is connected with described base plate；
The annular being fixed on described second firm banking 101 fixes beam 102, and described second firm banking 101 fixes contact shape and the described annular of part of beam 102 and fixes the mating shapes of beam 102 with described annular, concrete, described annular is fixed beam 102 and is contacted with described arc connecting portion；
It is individually fixed in described annular and fixes two fixed dams 103 of beam 102 both sides；
With a described fixing steering gear fixed support 104 being connected, carrying described steering assembly 2 of fixed dam 103.
Wherein, described annular is fixed beam 102 and is included: fixes the medial wall of beam around described annular, fixes the Access Division that direction, the center of circle extension of beam is formed towards described annular, two described fixed dams are connected with described Access Division coupling, and two described fixed dams 103 are fixed by connecting bolt 105 and attaching nut 106.
In specific embodiment of the utility model, new design is needed to change steering gear fixed support according to different steering gear installation dimensions, simultaneously can be according to steering gear and unit under test steering column and the installation requirement of unit under test jackshaft, adjust two fixed dams and fix the position on beam in annular, after unit under test installation, the 3rd stationary fixture is fixed on T-slot platform 1.Each different steering gear has only to change steering gear fixed support and can install, and efficiency of assembling is high.
Further, as shown in Figure 8 and Figure 9, the automobile steering system measurement apparatus of this utility model embodiment, also include:
4th stationary fixture of fixing described column assy 3, wherein, described 4th stationary fixture includes: be fixed on the 3rd firm banking 11 on described T-slot platform 1；
Second fixes axle 12, and described second one end fixing axle 12 is connected with described 3rd firm banking 11；
3rd adjusting screw 13；
Steering column fixed structure 14；
Second fixed mount 15, described second fixed mount 15 includes first fixed structure and the second fixed structure being connected with described steering column fixed structure 14, two connecting holes it are provided with on described first fixed structure, described second other end fixing axle is connected with a leading screw adjustment handle 16 after a described connecting hole, one end of described 3rd adjusting screw 13 is connected with described leading screw adjustment handle 16 after another described connecting hole, makes described column assy 3 fix axle 12 along described second by rotation described leading screw adjustment handle 16 and moves.Wherein, described leading screw adjusts and is additionally provided with steering column upper and lower adjusting screw bearing 17 and steering column upper and lower adjusting screw bearing block 18 between handle 16 and the 3rd adjusting screw 13, and described 3rd adjusting screw 13 and described second is fixed axle 12 and is all connected with described leading screw adjustment handle 16 by described steering column upper and lower adjusting screw bearing 17 and steering column upper and lower adjusting screw bearing block 18.
In specific embodiment of the utility model, the second fixed structure of the second fixed support 15 is a plectane, and first fixed structure is a rectangular block, and rectangular block is provided with two connecting holes.The steering column fixed structure 14 of this utility model embodiment includes: the connection support 141 being connected with described second fixed structure；It is connected the rail structure 142 that support connects with described；It is connected with described rail structure 142, the steering column fixed support 143 of fixing column assy 3, it is connected with described steering column fixed support 143 and described rail structure 142 respectively, controls the control structure 144 that described column assy 3 slides along described rail structure 142.Concrete, when being fixed on the second fixed structure by connection support 141, need the shape according to test unit under test steering column to carry out the adjustment of angle.
In specific embodiment of the utility model, described control structure 144 includes that steering column leading screw adjusts handle 1441, steering column adjusting screw fixes seat 1442, steering column adjusting screw nut 1443, fast tong handle 1444 and steering column adjusting screw 1445.Steering column fixed support 143 is fixed on rail structure 142, steering column adjusting screw nut 1443 is fixed on steering column fixed support 143, then steering column fixed support 143, steering column leading screw adjusts handle 1441, steering column adjusting screw 1445 is installed on rail structure 142, fast tong handle 1444 is fixed on steering column fixed support 143, the position that unit under test column assy 3 adjusts on steering column fixed support 143 according to shape difference, column assy 3 is clamped with fast tong handle 1444 after adjustment, then with bolt, unit under test column assy is tightened on steering column fixed support 143, all after installation, 4th fixture assembly is fixed on T-slot platform.
Further, the automobile steering system measurement apparatus of this utility model embodiment, also include: operation cabinet 11 and electrical control cubicles 12, operation cabinet 11 includes: the apparatus for operating equipment such as display, guidance panel, industrial computer, servo drive system, power supply signal interface.This device operation button is used to test by commanding apparatus, display and the running status of guidance panel display device, shield between each transmission signal excuse, ensure the undistorted of signal, industrial computer pre-sets pilot project and operational process, it is only necessary to test can be carried out according to unit under test change partial parameters and unit under test information.
Electrical control cubicles 12 mainly places regulated power supply, provides stabilized power source for equipment；Place circuit protection device, it is to avoid power-off suddenly causes the damage of equipment；Motor driver is placed in this electrical control cubicles, it is to avoid cause sensor signal to disturb.This electrical control cubicles is placed the facilities such as air-conditioning, it is ensured that in-cabinet temperature, it is to avoid in work process, electrical control cubicles crosses thermally-induced danger.
When testing, first unit under test is installed to testing stand, according to the size and dimension that unit under test is different, adjust position and the angle of each fixture, adjustment fastens each parts to corresponding fixture after completing, each fixture is fixed on T-slot platform 1 simultaneously, when performing test, operator selects corresponding test procedure, being configured in operation cabinet 11, when test starts, operation cabinet 11 provides control command, drive linear electric motors 41 or drive steer motor 51, respectively can be as driving part and passive components according to test two kinds of devices of demand.
When measuring for steering performance parameter, when driving steer motor 51 to measure steering performance as driving part, rotate according to rotating speed and the moment of torsion of regulation in experimental condition, measured driving steer motor 51 by the torque sensor 7 being arranged in the middle of column assy 3 and driving steer motor 51 and export moment of torsion and angle, linear electric motors 41 as passive components unit under test steering assembly 2 two ends apply resistance, being gathered signal by pulling force sensor 6, the industrial computer in operation cabinet 11 carries out calculating result of the test.Same linear electric motors 41 can provide thrust as driving part, drives steer motor 51 then to provide the moment of resistance as passive components.
Develop for electric boosting steering system control system control strategy, debug, verify, the work such as demarcation time, the signal of torque sensor 7 had both done the triggering signal of steering electric assist motor, again as the closed loop command signal of driving steer motor 51, moment of torsion angle modification control can be carried out；Steering electric boosted control unit Gather and input signal also processes, and controls assist motor output moment of torsion, current sensor and voltage sensor measures the power of assist motor output；Linear electric motors assembly structure 4 cathetus motor 41 is according to test requirements document calculating simulation road surface friction force, resistance is provided for steering assembly 2, above signal enters the industrial computer in operation cabinet 11, and industrial computer carries out calculating and provide the data such as the picture of various experiment needs, form according to the control program set.Measurement data can the control result of abundant display control program, provide strong foundation for control strategy exploitation.
The automobile steering system measurement apparatus of this utility model embodiment, by simulating the test of various constraintss, measures steering performance parameter.The sensor being equipped with in testing stand is high precision apparatus, it is possible to the certainty of measurement of guarantee test platform and stability.Test platform structure aspect has taken into full account the structure of current steering, and design clamp structure is simple, easy for installation, reduces cost to greatest extent, is convenient for changing, effectively improve test efficiency on the premise of ensureing whole testing stand rigidity, intensity.
Comparing with the steering performance testing device developed before, this assay device uses advanced linear electric motors simulated resistance device, can carry out the left and right sides real-time steering drag simulation；Using disc type electric machine as driving steer motor, this device can be used as drive mechanism again can be as load, and control accuracy is high；The frock clamp of the convenient dismounting of design and installation, improves the versatility of testing stand, and this device carries out the test of automobile steering system various functions, including turning to friction, steering gap, turning to the number of turns, turn to force measurement etc. to test.This device can carry out Electric Power Steering Control System control strategy exploitation, test, verifies, demarcates simultaneously, can replace the installation and debugging function on real vehicle, effectively shorten the construction cycle, improves work efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. an automobile steering system measurement apparatus, it is characterised in that including:
T-slot platform, the steering assembly that described T-slot platform is fixed with unit under test and the column assy being connected with described steering assembly；
It is arranged on described T-slot platform, and the linear electric motors assembly structure being connected with described steering assembly, described linear electric motors assembly structure includes: linear electric motors and described linear electric motors are fixed on the first stationary fixture on described T-slot platform, described linear electric motors are connected with described steering assembly, and export control power to described steering assembly；
It is arranged on described T-slot platform, and the driving steering mechanism assembly being connected with described column assy, described driving steering mechanism assembly includes: drive steer motor and described driving steer motor is fixed on the second stationary fixture on described T-slot platform, described driving steer motor is connected with described column assy, and controls moment of torsion to the output of described column assy；
Measurement apparatus, when described driving steer motor exports booster torquemoment to described column assy, measure the angle controlling to rotate when resistance, the displacement of described linear electric motors, described booster torquemoment and described driving steer motor export described booster torquemoment of described linear electric motors output；Or
When described linear electric motors control power-assisted to the output of described steering assembly, the displacement run when measuring the resistive torque of described driving steer motor output, the angle of described driving steer motor rotation, described control power-assisted and the described linear electric motors described control power-assisted of output.
Automobile steering system measurement apparatus the most according to claim 1, it is characterized in that, described first stationary fixture is in " several " character form structure, including: a horizontal plate, two vertical plates and two outer panels, two described vertical plates are symmetrically located at the both sides of described horizontal plate, and two described outer panels are symmetrically located at the both sides of two described vertical plates.
Automobile steering system measurement apparatus the most according to claim 2, it is characterised in that described first stationary fixture also includes: be connected with described linear electric motors and described first stationary fixture respectively, adjusts the first adjustment structure of described linear electric motors height；
Wherein, described first adjusts structure includes the first adjusting screw and adjusts fixture, and one end of described adjustment fixture is fixed on described linear electric motors, and the other end of described first adjusting screw through the hole on described horizontal plate and is fixed by nut.
Automobile steering system measurement apparatus the most according to claim 1, it is characterised in that described measurement apparatus includes: be fixed on described linear electric motors one end, and the pulling force sensor being connected with described steering assembly.
Automobile steering system measurement apparatus the most according to claim 1, it is characterised in that described second stationary fixture includes:
It is fixed on the first firm banking on described T-slot platform；
First fixes axle, and described first one end fixing axle is connected with described first firm banking；
Second adjusting screw；
First fixed mount, described first fixed mount includes fixed part and the connecting portion of fixing described driving steer motor, described connecting portion is provided with the first connecting hole and the second connecting hole, described first other end fixing axle is connected with an adjustment handle after described first connecting hole, one end of described second adjusting screw is connected with described adjustment handle after described second connecting hole, makes described driving steer motor fix axle along described first by the described adjustment handle of rotation and moves.
Automobile steering system measurement apparatus the most according to claim 1, it is characterised in that described measurement apparatus also includes the torque sensor being connected respectively with described driving steer motor and described column assy.
Automobile steering system measurement apparatus the most according to claim 1, it is characterised in that also include:
3rd stationary fixture of fixing described steering assembly, described 3rd stationary fixture includes that two have mutually isostructural fixed support, and each described fixed support includes:
It is arranged at the second firm banking on described T-slot platform；
The annular being fixed on described second firm banking fixes beam, and described second firm banking is fixed contact shape and the described annular of part of beam and fixed the mating shapes of beam with described annular；
It is individually fixed in described annular and fixes two fixed dams of beam both sides；
The steering gear fixed support being connected, carrying described steering assembly is fixed with a described fixed dam.
Automobile steering system measurement apparatus the most according to claim 7, it is characterized in that, described annular is fixed beam and is included: fixes the medial wall of beam around described annular, fixes the Access Division that direction, the center of circle extension of beam is formed towards described annular, two described fixed dams are connected with described Access Division coupling, and two described fixed dams are bolted.
Automobile steering system measurement apparatus the most according to claim 1, it is characterised in that also include:
4th stationary fixture of fixing described column assy, wherein, described 4th stationary fixture includes: be fixed on the 3rd firm banking on described T-slot platform；
Second fixes axle, and described second one end fixing axle is connected with described 3rd firm banking；
3rd adjusting screw；
Steering column fixed structure；
Second fixed mount, described second fixed mount includes first fixed structure and the second fixed structure being connected with described steering column fixed structure, two connecting holes it are provided with on described first fixed structure, described second other end fixing axle is connected with a leading screw adjustment handle after a described connecting hole, one end of described 3rd adjusting screw is connected with described leading screw adjustment handle after another described connecting hole, makes described column assy fix axle along described second by rotation described leading screw adjustment handle and moves.
Automobile steering system measurement apparatus the most according to claim 9, it is characterised in that described steering column fixed structure includes:
The connection support being connected with described second fixed structure；
It is connected the rail structure that support connects with described；
It is connected with described rail structure, the steering column fixed support of fixing column assy；
It is connected with described steering column fixed support and described rail structure respectively, controls the control structure that described column assy slides along described rail structure.
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| CN201521117601.7U CN205449487U (en) | 2015-12-29 | 2015-12-29 | Car a steering system measuring device |
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| CN201521117601.7U CN205449487U (en) | 2015-12-29 | 2015-12-29 | Car a steering system measuring device |
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| CN205449487U true CN205449487U (en) | 2016-08-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608905A (en) * | 2018-06-16 | 2019-12-24 | 龙海特尔福汽车电子研究所有限公司 | Load simulation and test device for automobile electronic steering power assisting |
| CN111537242A (en) * | 2020-05-18 | 2020-08-14 | 北京汽车集团越野车有限公司 | Vehicle steering wheel hiring test testing device and method |
| CN116989935A (en) * | 2023-08-03 | 2023-11-03 | 湖北恒隆凯迩必汽车电动转向系统有限公司 | Midpoint calibration equipment and method for torque sensor |
-
2015
- 2015-12-29 CN CN201521117601.7U patent/CN205449487U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608905A (en) * | 2018-06-16 | 2019-12-24 | 龙海特尔福汽车电子研究所有限公司 | Load simulation and test device for automobile electronic steering power assisting |
| CN111537242A (en) * | 2020-05-18 | 2020-08-14 | 北京汽车集团越野车有限公司 | Vehicle steering wheel hiring test testing device and method |
| CN116989935A (en) * | 2023-08-03 | 2023-11-03 | 湖北恒隆凯迩必汽车电动转向系统有限公司 | Midpoint calibration equipment and method for torque sensor |
| CN116989935B (en) * | 2023-08-03 | 2024-03-29 | 湖北恒隆凯迩必汽车电动转向系统有限公司 | Midpoint calibration equipment and method for torque sensor |
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