CN102809490B - Test detecting device with safety belt height adjuster and detecting method for test detecting device - Google Patents

Test detecting device with safety belt height adjuster and detecting method for test detecting device Download PDF

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Publication number
CN102809490B
CN102809490B CN201210264850.3A CN201210264850A CN102809490B CN 102809490 B CN102809490 B CN 102809490B CN 201210264850 A CN201210264850 A CN 201210264850A CN 102809490 B CN102809490 B CN 102809490B
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China
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sample
detection
cylinder
installing plate
detecting
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CN201210264850.3A
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Chinese (zh)
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CN102809490A (en
Inventor
许成
夏翠
赵秀侠
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奇瑞汽车股份有限公司
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Publication of CN102809490A publication Critical patent/CN102809490A/en
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Abstract

The invention discloses a test detecting device with a safety belt height adjuster and a detecting method for the test detecting device. The detecting device comprises a detecting sample, a driving unit and a detecting unit, wherein the detecting sample comprises a sample installing plate for installing the detecting sample and a cylinder for pressing and unlocking the detecting sample; the driving unit and the detecting unit are arranged on the sample installing plate; the driving unit comprises a driving motor, a ball screw and a screw nut in match with the ball screw; a force sensor bracket is connected with the screw nut; the detecting unit comprises a force sensor and a displacement sensor; the cylinder is installed on a cylinder installing plate; when the detecting sample is locked, a piston rod of the cylinder is mutually contacted with a locking button of the detecting sample; one end of the force sensor is connected with the force sensor bracket; the other end of the force sensor is connected with one end of the cylinder installing plate; and the other end of the cylinder installing plate is mutually connected with a detecting head of the displacement sensor. With adoption of the test detecting device, a force and a moving distance can be fed back precisely, and objective data, such as operation comfort can be further displayed.

Description

A kind of experiment detection device of safety belt height adjuster and detection method thereof
Technical field
The present invention relates to auto parts and components detection technique field, be specifically related to a kind of experiment detection device and detection method thereof of safety belt height adjuster.
Background technology
Along with user is to vehicle ride comfort, the improving constantly of security requirement, as the servicing unit that securing band regulates, the frequency of utilization of height adjuster increases thereupon.Present Attitude regulator is generally installed on the B post of automobile (especially car), the driver of different height or build, according to the requirement of self comfortableness, can regulate the contact position of securing band and driver's health; By regulating the change in location of height adjuster, adjust the size of contact position and contact force, to reach the requirement of maximum security and riding comfort.Given this, enterprise can using investigation scope that the long duration test of the differing heights regulator of corresponding vehicle detects as car load parts in company standard.
Because early stage safety belt height adjuster test unit does not strictly formulate testing standard, sensing range is little, mostly do not list investigation scope in, the simultaneously installation of trial target, clamping are comparatively loaded down with trivial details, process of the test can not well control and adjustment, and can not the objective data such as the dynamics of feedback user, displacement and operation comfort accurately in process of the test, therefore well can not analyze and late design adjustment, be difficult to meet parts testing requirements.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of complete function is provided, the objective datas such as the dynamics of energy accurate feedback user and displacement, and the experiment detection device of installation and safety belt height adjuster easy to detect and detection method thereof.
To achieve these goals, the technical solution used in the present invention is:
The experiment detection device of described safety belt height adjuster, comprises detection sample, comprises the sample installing plate installing described detection sample; Comprise the cylinder for described detection sample being unlocked by pressing; Described sample installing plate establishes driver element and detecting unit; Described driver element, comprises drive motor, the ball-screw be connected with described drive motor output shaft and the feed screw nut coordinated with described ball-screw, described feed screw nut is connected with force snesor support; Described detecting unit, comprises force snesor and is located at the displacement transducer on described sample installing plate; Described cylinder is arranged on cylinder mounting plate, and when described detection sample lockup state, the piston rod of described cylinder contacts with the locking button of described detection sample; Described force snesor one end connects described force snesor support, and the described force snesor other end is connected on one end of described cylinder mounting plate, and the other end of described cylinder mounting plate is connected with the head of institute's displacement sensors; Also comprise the controller be connected with described drive motor, cylinder, force snesor and displacement transducer respectively.
Between described force snesor and cylinder mounting plate, establish a push pedal, push pedal one end is connected with force snesor, and the push pedal other end is connected with cylinder mounting plate; Between cylinder mounting plate and displacement transducer, establish a displacement web joint, displacement web joint one end is connected with cylinder mounting plate, and the other end of displacement web joint is connected with the head of displacement transducer.
Described sample installing plate is connected with the base for supporting described sample installing plate, and described sample installing plate is connected with described base by an angle regulator.
Described angle regulator, comprises the turning axle be connected with described sample installing plate; Rotating shaft terminal is connected with described base respectively by bearing assembly; The angle mechanical brake that restrictive axes winding bearing seat rotates is provided with in the side of rotating shaft terminal bearing assembly.
Described angle mechanical brake is the compact heap rotated around bearing seat for the bearing in restrictive axes bearing assembly.
Described drive motor is be connected to the servomotor on sample installing plate, and the motor output shaft of described servomotor is connected by shaft coupling with ball-screw.
Described sample installing plate is provided with the line slide rail coordinated with described cylinder mounting plate for cylinder mounting plate mobile guide; Described cylinder mounting plate is installed on line slide rail, and described line slide rail and ball-screw be arranged in parallel.
Described detection sample is connected on described sample installing plate by mounting bracket, and mounting bracket is provided with the waist-shaped hole that fine setting detects sample installation site; Described cylinder mounting plate is provided with the grip block clamping described detection sample; The knock-pin contacted with the locking button of described detection sample is provided with at described cylinder piston boom end.
Described base, the mount pad comprising base plate and be connected with described base plate, is provided with bracing frame between mount pad and base plate.
A detection method for the experiment detection device of safety belt height adjuster, comprises the following steps;
(1) according to testing standard, first detection sample is installed on sample installing plate, is completed the setting of sample installing plate angle by angle regulator;
(2) opening controller, controller gives cylinder push action signal, control piston bar after cylinder Received signal strength, realizes the being unlocked by pressing detecting sample button, and keeps unlocking motion; Releasing process middle controller gives drive motor stairstep signal, thus control drive motor rotation, ball-screw transmits the power of drive motor to feed screw nut, the force snesor support be connected on feed screw nut is moved axially, and then realize the movement of cylinder mounting plate, make the grip block clamping be fixed on cylinder mounting plate detect sample motion, detect the change that sample produces displacement, utilize the displacement transducer be connected on cylinder mounting plate to carry out the detection of displacement; Force snesor realizes the detection of driving dynamics; Size and the displacement size stroke curve of displacement transducer and force snesor Real-time Feedback power are related on the display screen of controller, and process of the test detects sample produced problem and can be fed back in time and adjust;
(3) after drive motor stroke terminates, the piston rod of controller control cylinder is regained, and detects sample and enters lockup state; The setting of sample installing plate angle is now completed by angle regulator; Opening controller, repeats the operation of step (2), realizes the detection of another stroke detecting sample, moves in circles, until complete predetermined test number (TN).
The invention has the advantages that:
First, the experiment detection device of described safety belt height adjuster, can accurate analog feedback user use of seat belts height adjuster time the objective data such as dynamics, displacement, according to these data, the problem of safety belt height adjuster can be fed back in time and be adjusted, and greatly can improve the operation comfort of full band height adjuster; Simultaneously the experiment detection device of described safety belt height adjuster is installed and easy to detect.
Secondly, the experiment detection device of described safety belt height adjuster, testing result reliability is strong, force snesor and displacement transducer accuracy of detection can be adjusted according to the actual requirements, measurement range is wide, whole testing process detects in real time, feedback data, stroke curve, can Timeliness coverage Process Problems, has good practicality and data accuracy.
Finally, the method for testing and detecting of described safety belt height adjuster, realized by described pick-up unit, pass through controller action, servomotor and cylinder is made to complete quantitative rotation and stretch out, regain action, by the conversion of utility appliance, frock clamp keeps and corresponding force the position detecting sample, the detection of displacement transducer and signal feedback, reach the firmly size of simulating crew when using height adjuster, change in displacement and by power and displacement curve visual feedback on a display screen, thus for judging and regulating occupant's comfort level to provide one well to detect foundation, this device can carry out corresponding durable motion detection simultaneously, checking height adjuster quality condition.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of instructions of the present invention below and figure is briefly described:
Fig. 1 is the perspective view of the experiment detection device of safety belt height adjuster of the present invention;
Fig. 2 is the lateral plan of the experiment detection device of Fig. 1 safety belt height adjuster;
Fig. 3 is the structural representation of the sample installing plate of the experiment detection device of Fig. 1 safety belt height adjuster, driver element and detecting unit;
Fig. 4 is the driver element of the experiment detection device of Fig. 1 safety belt height adjuster and the part-structure schematic diagram of detecting unit;
Mark in above-mentioned figure is:
1, base, 11, base plate, 12, bracing frame, 13, mount pad, 14, fixed block, 2, angle regulator, 21, angle mechanical brake, 22, bearing assembly, 23, turning axle web joint, 24, turning axle, 3, test unit, 31, sample installing plate, 32, driver element, 33, detecting unit, 321, drive motor, 322, motor mounting plate, 323, shaft coupling, 324, leading screw fixed block, 325, ball-screw, 326, feed screw nut, 327, force snesor support, 331, displacement transducer, 332, displacement web joint, 333, push pedal, 334, force snesor, 335, screw rod, 3306, cylinder mounting plate, 3307, cylinder, 3308, push-off pin, 3309, grip block, 3310, detect sample, 3311, mounting bracket.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figures 1 to 4, the experiment detection device of described safety belt height adjuster, comprises test unit 3, comprises the detection sample 3310 of safety belt height adjuster, comprise the sample installing plate 31 installed and detect sample 3310, detect sample 3310 and be arranged on sample installing plate 31; Also comprise the cylinder 3307 for detecting sample 3310 being unlocked by pressing; Sample installing plate 31 is provided with drive and detects the driver element 32 of sample 3310 simulated altitude position adjustments and the detecting unit 33 for detecting sample 3310 driving force and displacement; Driver element 32, the feed screw nut 326 comprising drive motor 321, the ball-screw 325 be connected with drive motor 321 output shaft and coordinate with ball-screw 325, feed screw nut 326 is connected with force snesor support 327; Detecting unit 33, comprises force snesor 334 and is located at the displacement transducer 331 on sample installing plate 31; Cylinder 3307 is arranged on cylinder mounting plate 3306, and when detecting sample 3310 lockup state, the piston rod of cylinder 3307 contacts with the locking button detecting sample 3310; Force snesor 334 one end attachment force sensor stand 327, force snesor 334 other end is connected on one end of cylinder mounting plate 3306, and the other end of cylinder mounting plate 3306 is connected with the head of displacement transducer 331; Also comprise the controller be connected with drive motor 321, cylinder 3307, force snesor 334 and displacement transducer 331 respectively.
Between force snesor 334 and cylinder mounting plate 3306, establish a push pedal 333, push pedal 333 one end is connected with force snesor 334, and push pedal 333 other end is connected with cylinder mounting plate 3306; Between cylinder mounting plate 3306 and displacement transducer 331, establish a displacement web joint 332, displacement web joint 332 one end is connected with cylinder mounting plate 3306, and displacement web joint 332 other end is connected with the head of displacement transducer 331.
Drive motor 321 is servomotor, servomotor is fixed on sample installing plate 31, the motor output shaft of servomotor is connected by shaft coupling 323 with ball-screw 325, ball-screw 325 is connected with sample installing plate 31 by leading screw fixed block 324, and feed screw nut 326 cooperation is installed on ball-screw 325; Driver element 32 is connected with force snesor 334 by force snesor support 327, and force snesor 334 connects push pedal 333, and push pedal 333 is connected with cylinder mounting plate 3306; Sample installing plate 32 is provided with the position-limit mechanism that restriction push pedal 333 is rotated; When the motor shaft of servomotor rotates, drive ball-screw 325 to rotate, feed screw nut 326 is fixedly connected with force snesor support 327, and force snesor support 327 is fixedly connected with push pedal 333, and the limited mechanism of push pedal 333 limits and cannot rotate; When the motor output shaft of such servomotor rotates, ball-screw 325 is driven to rotate, namely the rotation of ball-screw 325 changes into the axial linear movement along ball-screw 325 of feed screw nut 326, thus drives cylinder mounting plate 3306 to move linearly, and reaches the object of driving; Namely driver element 32 course of work is: drive motor 321 rotates according to controller signals feedback, rotating torque is passed to ball-screw 325 through shaft coupling 323, make the feed screw nut 326 be connected on force snesor support 327 axially carry out straight reciprocating motion along ball-screw 325, thus realize driving function.
The collection of the main realizable force of detecting unit 33 and displacement, feedback, the detection of force snesor 334 realizable force of force snesor support 327 and push pedal 333 is connected to by two ends, force snesor 334 to be threaded force snesor support 327 and push pedal 333 by screw rod 335 two ends, force snesor 334 is adjustable with the connecting length of force snesor support 327 and push pedal 333, can simulate the size of lifting force after staff pressing height adjuster; Displacement transducer 331 is bolted on sample installing plate 31, its head is connected on displacement web joint 332, by the driving force of driver element 32, first feed screw nut 326 drive sensor stand 327 and push pedal 333 is ordered about, and then drive cylinder mounting plate 3306 to move up and down along sample installing plate 31, thus drive moving up and down of displacement web joint 332, so the final detection being carried out displacement size by displacement transducer 331 in real time; Sample installing plate 31 is provided with and coordinates with cylinder mounting plate 3306 line slide rail moving up and down guiding for cylinder mounting plate 3306, cylinder mounting plate 3306 is installed on line slide rail, push pedal 333 is fixedly connected with cylinder mounting plate 3306, and line slide rail is the position-limit mechanism that restriction push pedal 333 rotates; Line slide rail and ball-screw 325 are set in parallel on sample installing plate 31, thus better realize the straight reciprocating motion of pressing part.
Detecting sample 3310 is connected on sample installing plate 31 by mounting bracket 3311, and mounting bracket 3311 is provided with the waist-shaped hole that fine setting detects sample 3310 installation site; Cylinder mounting plate 3306 is provided with the grip block 3309 that clamping detects sample 3310; Cylinder 3307 is connected with controller by solenoid valve; Cylinder 3307 piston rod end is provided with the knock-pin contacted with the locking button detecting sample 3310; In use, first detection sample 3310 is fixed on mounting bracket 3311, mounting bracket 3311 is arranged on sample installing plate 31, then the piston rod controlled as the cylinder 3307 of pressing part stretches out, knock-pin is offseted with the button detecting sample 3310, simulation staff button press, and regulate pressing force by the extension elongation of adjusting cylinders 3307 piston rod; Secondly driver element 32 action is controlled, cylinder mounting plate 3306 is driven highly to regulate direction to move along detection sample 3310, in the process, the force snesor 334 connecting cylinder mounting plate 3306 and driver element 32 can the acting force of monitoring driving unit 32 and cylinder mounting plate 3306, thus knows the lifting force of height adjuster to be measured and securing band; Meanwhile, displacement transducer 331 can monitor the displacement of cylinder mounting plate 3306, and displacement information is fed back to driver element 32, thus draws the displacement curve of the amount of force in displacement process.In whole test process, described pick-up unit can firmly size, change in displacement and by power and the displacement curve visual feedback on controller display screen of simulating crew when using height adjuster, thus for judging that occupant's comfort level provides one well to detect foundation, this device can carry out corresponding durable motion detection simultaneously, the quality condition of checking height adjuster.
Sample installing plate 31 is connected with the base 1 for supporting sample installing plate 31, sample installing plate 31 is connected with base 1 by an angle regulator 2, angle regulator 2 can adjust the direction that height adjuster detects dummy activity power when sample 3310 detects, with the demand of satisfied detection; Angle regulator 2, comprises the turning axle 24 be connected with sample installing plate 31, and turning axle 24 is connected with sample installing plate 31 by a turning axle web joint 23, and turning axle web joint 23 is connected with sample installing plate 31 by bolt; Turning axle 24 two ends are connected with base 1 respectively by bearing assembly 22, and bearing assembly 22 is formed by bearing and for bearings mounted bearing seat, and turning axle 24 two ends are sleeved on bearing, and the bearing seat of bearing is connected with base 1; Be provided with the angle mechanical brake 21 that restrictive axes winding bearing seat rotates in the side of turning axle 24 bearings at both ends assembly 22, angle mechanical brake 1 is the compact heap rotated for restrictive axes winding bearing seat; When needing the angle regulating sample installing plate 31, and then during the direction of detection sample 3310 dummy activity power when detecting of adjustment height adjuster, open angle mechanical brake 21, turning axle 24 rotates around bearing seat, and then drive sample installing plate 31 with turning axle 24 axis for rotation center rotates, when sample installing plate 31 rotates to precalculated position, namely locking angle mechanical brake 21 completes adjustment; Base 1, the mount pad 13 comprising base plate 11 and be connected with base plate 11, is provided with bracing frame 12 between mount pad 13 and base plate 11, bracing frame 12 two ends are connected on base plate 11 and mount pad 13 by fixed block 14 bolt, and mount pad 13 is connected with bearing seat bottom.
The detection method of the experiment detection device of described safety belt height adjuster, comprises the following steps;
First, according to testing standard, the setting of sample installing plate 31 angle is completed by angle regulator 2, then detection sample 3310 two ends are installed on mounting bracket 3311 by screw, mounting bracket 3311 is fixed on sample installing plate 31, and the waist-shaped hole on mounting bracket 3311 can finely tune the fixed position detecting sample 3310; Subsequently by connecting push-off pin 3308 and grip block 3309, detection sample 3310 is fixed on sample installing plate 31.
In testing inspection process, need to follow locking → unblock → movement (returning) → test initial position locking → unblock →... after unblock → movement → do Long Distances ... actuation cycle, and require circulation 3000 times, releasing process (namely cylinder 3307 simulates pressing process), moving process (i.e. the stepwise operation of drive motor 321), two kinds of motions need precise match, namely before action starts, controller gives cylinder 3307 push action signal, after cylinder 3307 Received signal strength, to carry out elongation under reach for control piston bar, the being unlocked by pressing detecting sample 3310 button is realized by the effect of push-off pin 3308, and keep unlocking motion, releasing process middle controller gives servo-driver stairstep signal, thus control servomotor rotation, the transmission of ball-screw 325 action is completed by shaft coupling 323, realize the force snesor support 327 be connected on feed screw nut 326 to move axially, thus promotion cylinder mounting plate 3306 moves up and down, make the grip block 3309 clamped sample movable device motion be fixed on cylinder mounting plate 3306, i.e. the moving up and down of height adjuster movable part, produce the change of displacement, utilize the displacement transducer 331 be connected on cylinder mounting plate 3306 to carry out the detection of displacement,
Finally, the piston rod of cylinder 3307 is regained, namely locking after range is made, long duration test detection is carried out in circulation according to this, and in testing process, force snesor 334 and displacement transducer 331 feed back the size and displacement size stroke curve relation of exerting oneself, and feed back to intuitively on the display screen of controller, process of the test height adjuster produced problem can be fed back in time and adjust; In testing process, because Impact direction can cause testing result variant, the adjustment of angle can be carried out by angle regulator 2.
Principle of work of the present invention is as follows: the experiment detection device of described safety belt height adjuster, pass through controller action, servomotor and cylinder 3307 is made to complete quantitative rotation and stretch out, regain action, by the conversion of utility appliance, frock clamp keeps and corresponding force the position detecting sample 3310, the detection of displacement transducer 331 and signal feedback, reach the firmly size of simulating crew when using height adjuster, change in displacement and by power and displacement curve visual feedback on a display screen, thus for judging and regulating occupant's comfort level to provide one well to detect foundation, this device can carry out corresponding durable motion detection simultaneously, checking height adjuster quality condition.
Detected sample 3310 is installed on sample installing plate 31, by the action ejecting the action simulation driver Manual press button of rear withdrawal of cylinder 3307, realize unlocking, servomotor action simultaneously, by the conversion of ball-screw 325, realizes grip block 3309 and drives detection sample 3310 to move up and down, complete the process that displacement realizes, ensure in process that button position is fixed, guarantee the accuracy of pressing force, by angle regulator 2, test angle is adjusted in process; By feedback and the output of force snesor 334 and displacement transducer 331, firmly size and the displacement of occupant in testing process, thus reach testing process and hold and regulate.
Above to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.

Claims (9)

1. an experiment detection device for safety belt height adjuster, comprises and detects sample (3310), it is characterized in that: comprise the sample installing plate (31) installing described detection sample (3310); Comprise the cylinder (3307) for described detection sample (3310) being unlocked by pressing; Described sample installing plate (31) is established driver element (32) and detecting unit (33); Described driver element (32), the feed screw nut (326) comprising drive motor (321), the ball-screw (325) be connected with described drive motor (321) output shaft and coordinate with described ball-screw (325), described feed screw nut (326) is connected with force snesor support (327); Described detecting unit (33), comprises force snesor (334) and is located at the displacement transducer (331) on described sample installing plate (31); Described cylinder (3307) is arranged on cylinder mounting plate (3306), when described detection sample (3310) lockup state, the piston rod of described cylinder (3307) contacts with the locking button of described detection sample (3310); Described force snesor (334) one end connects described force snesor support (327), described force snesor (334) other end is connected on one end of described cylinder mounting plate (3306), and the other end of described cylinder mounting plate (3306) is connected with the head of institute's displacement sensors (331); Also comprise the controller be connected with described drive motor (321), cylinder (3307), force snesor (334) and displacement transducer (331) respectively;
A push pedal (333) is established between described force snesor (334) and cylinder mounting plate (3306), push pedal (333) one end is connected with force snesor (334), and push pedal (333) other end is connected with cylinder mounting plate (3306); A displacement web joint (332) is established between cylinder mounting plate (3306) and displacement transducer (331), displacement web joint (332) one end is connected with cylinder mounting plate (3306), and displacement web joint (332) other end is connected with the head of displacement transducer (331).
2. according to the experiment detection device of safety belt height adjuster according to claim 1, it is characterized in that: described sample installing plate (31) is connected with the base (1) for supporting described sample installing plate (31), and described sample installing plate (31) is connected with described base (1) by an angle regulator (2).
3. according to the experiment detection device of safety belt height adjuster according to claim 2, it is characterized in that: described angle regulator (2), comprise the turning axle (24) be connected with described sample installing plate (31); Turning axle (24) two ends are connected with described base (1) respectively by bearing assembly (22); The angle mechanical brake (21) that restrictive axes winding bearing seat rotates is provided with in the side of turning axle (24) bearings at both ends assembly (22).
4. according to the experiment detection device of safety belt height adjuster according to claim 3, it is characterized in that: described angle mechanical brake (21) is the compact heap rotated around bearing seat for the bearing in restrictive axes bearing assembly (22).
5. according to the experiment detection device of the safety belt height adjuster described in claim 1 or 2 or 3 or 4, it is characterized in that: described drive motor (321) is for being connected to the servomotor on sample installing plate (31), and the motor output shaft of described servomotor is connected by shaft coupling (323) with ball-screw (325).
6. according to the experiment detection device of safety belt height adjuster according to claim 5, it is characterized in that: on described sample installing plate (31), be provided with the line slide rail coordinating with described cylinder mounting plate (3306) and be used for cylinder mounting plate (3306) mobile guide; Described line slide rail and ball-screw (325) be arranged in parallel.
7. according to the experiment detection device of safety belt height adjuster according to claim 6, it is characterized in that: described detection sample (3310) is connected on described sample installing plate (31) by mounting bracket (3311), mounting bracket (3311) is provided with the waist-shaped hole that fine setting detects sample (3310) installation site; Described cylinder mounting plate (3306) is provided with the grip block (3309) clamping described detection sample (3310); The knock-pin contacted with the locking button of described detection sample (3310) is provided with in described cylinder (3307) piston rod end.
8. according to the experiment detection device of safety belt height adjuster according to claim 7, it is characterized in that: base (1), the mount pad (13) comprising base plate (11) and be connected with described base plate (11), is provided with bracing frame (12) between mount pad (13) and base plate (11).
9. a detection method for the experiment detection device of safety belt height adjuster according to claim 1, is characterized in that: comprise the following steps;
(1) according to testing standard, first detection sample is installed on sample installing plate, is completed the setting of sample installing plate angle by angle regulator;
(2) opening controller, controller gives cylinder push action signal, control piston bar after cylinder Received signal strength, realizes the being unlocked by pressing detecting sample button, and keeps unlocking motion; Releasing process middle controller gives drive motor stairstep signal, thus control drive motor rotation, ball-screw transmits the power of drive motor to feed screw nut, the force snesor support be connected on feed screw nut is moved axially, and then realize the movement of cylinder mounting plate, make the grip block clamping be fixed on cylinder mounting plate detect sample motion, detect the change that sample produces displacement, utilize the displacement transducer be connected on cylinder mounting plate to carry out the detection of displacement; Force snesor realizes the detection of driving dynamics; Size and the displacement size stroke curve of displacement transducer and force snesor Real-time Feedback power are related on the display screen of controller, and process of the test detects sample produced problem and can be fed back in time and adjust;
(3) after drive motor stroke terminates, the piston rod of controller control cylinder is regained, and detects sample and enters lockup state; The setting of sample installing plate angle is now completed by angle regulator; Opening controller, repeats the operation of step (2), realizes the detection of another stroke detecting sample, moves in circles, until complete predetermined test number (TN).
CN201210264850.3A 2012-07-28 2012-07-28 Test detecting device with safety belt height adjuster and detecting method for test detecting device CN102809490B (en)

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CN101923005A (en) * 2009-06-09 2010-12-22 上海天合汽车安全系统有限公司 Automobile safety belt mortise lock assembly quality detector
CN201983932U (en) * 2010-11-15 2011-09-21 芜湖金安世腾汽车安全系统有限公司 Static tensile testing fixture for safety belt height adjuster
CN202075079U (en) * 2011-04-25 2011-12-14 奇瑞汽车股份有限公司 Pressure load type safety belt latch and inserting and plugging device
CN102288393A (en) * 2011-04-26 2011-12-21 哈尔滨三迪工控工程有限公司 Pneumatic servo type automobile part testing machine
CN102419249A (en) * 2011-09-01 2012-04-18 常州星宇车灯股份有限公司 Test device for light distribution characteristics of license plate lamp of automotive vehicle
CN102608992A (en) * 2012-03-06 2012-07-25 奇瑞汽车股份有限公司 Height adjustment test control system and method of safety belt

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