CN102809490A - 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 PDFInfo
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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
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 the user to the improving constantly of vehicle ride comfort, security requirement, as the servicing unit that securing band is regulated, the frequency of utilization of height adjuster increases thereupon.The Present Attitude regulator generally is installed on the B post of automobile (especially car), and the driver of different heights or build can regulate the contact position of securing band and driver's health according to the requirement of self comfortableness; Through 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, the investigation scope that can be in company standard the long duration test of the differing heights regulator of corresponding vehicle be detected as the car load parts of enterprise.
Because the not strict test standard of formulating of early stage safety belt height adjuster test unit; Sensing range is little, does not list the investigation scope mostly in, and installation, the clamping of trial target are comparatively loaded down with trivial details simultaneously; Process of the test can not be well control and adjusting; And therefore objective datas such as the dynamics of feedback user, displacement and operation comfort accurately in the process of the test can not well be analyzed and later stage design adjustment, are difficult to satisfy the parts testing requirements.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of complete function is provided, the experiment detection device and the detection method thereof of accurately objective datas such as the dynamics of feedback user and displacement, and installation and safety belt height adjuster easy to detect.
To achieve these goals, the technical scheme of the present invention's employing is:
The experiment detection device of said safety belt height adjuster comprises test sample, comprises the sample installing plate that said test sample is installed; Comprise and be used for the cylinder that said test sample is pushed release; On said sample installing plate, establish driver element and detecting unit; Said driver element, ball-screw that comprise drive motor, is connected with said drive motor output shaft and the feed screw nut that cooperates with said ball-screw are connected with the force transducer support on the said feed screw nut; Said detecting unit comprises force transducer and is located at the displacement transducer on the said sample installing plate; Said cylinder is installed on the cylinder mounting plate, and when said test sample lockup state, the piston rod of said cylinder contacts with the locking button of said test sample; Said force transducer one end connects said force transducer support, and the said force transducer other end is connected on the end of said cylinder mounting plate, and the other end of said cylinder mounting plate is connected with the head of said displacement transducer; Also comprise the controller that is connected with said drive motor, cylinder, force transducer and displacement transducer respectively.
Between said force transducer and cylinder mounting plate, establish a push pedal, push pedal one end is connected with force transducer, 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.
Said sample installing plate is connected with the base that is used to support said sample installing plate, and said sample installing plate is connected with said base through an angle regulator.
Said angle regulator comprises the turning axle that is connected with said sample installing plate; Rotating shaft terminal is connected with said base through bearing assembly respectively; Side at the rotating shaft terminal bearing assembly is provided with the angle mechanical brake that axes winding bearing seat rotates.
Said angle mechanical brake is to be used for the compact heap of the bearing of axes bearing assembly around the bearing seat rotation.
Said drive motor is the servomotor that is connected on the sample installing plate, and the motor output shaft of said servomotor is connected through shaft coupling with ball-screw.
On said sample installing plate, be provided with and cooperate the line slide rail that is used for the cylinder mounting plate mobile guide with said cylinder mounting plate; Said cylinder mounting plate is installed on the line slide rail, and said line slide rail and ball-screw laterally arrange.
Said test sample is connected on the said sample installing plate through mounting bracket, on mounting bracket, is provided with the waist-shaped hole of fine setting test sample installation site; On said cylinder mounting plate, be provided with the grip block of the said test sample of clamping; Be provided with the contacted knock-pin of locking button with said test sample at said cylinder piston boom end.
Said base comprises base plate and the mount pad that is connected with said base plate, is provided with bracing frame between mount pad and the base plate.
A kind of detection method of experiment detection device of safety belt height adjuster may further comprise the steps;
(1) according to test standard, at first test sample is installed on the sample installing plate, accomplish the setting of sample installing plate angle through angle regulator;
(2) opening controller, controller give cylinder push action signal, and control piston bar behind the cylinder reception signal is realized the release of pushing of test sample button, and keep the release action; The releasing process middle controller gives the drive motor stairstep signal; Thereby the controlling and driving motor rotates, and ball-screw transmits the power of drive motor to feed screw nut, makes the force transducer support that is connected on the feed screw nut move axially; And then the realization cylinder mounting plate is mobile; Make to be fixed on the grip block clamping test sample motion on the cylinder mounting plate, test sample produces the variation of displacement, utilizes the displacement transducer that is connected on the cylinder mounting plate to carry out the detection of displacement; Force transducer is realized the detection of driving dynamics; The size of displacement transducer and the real-time feedback force of force transducer and displacement size stroke curve are related on the display screen of controller, and the problem that the process of the test test sample occurs can in time be fed back and adjust;
(3) after stroke of drive motor finished, the piston rod of controller control cylinder was regained, and test sample gets into lockup state; Accomplish the setting of sample installing plate angle this moment through angle regulator; Opening controller, the operation of repeating step (2) realizes the detection of another stroke of test sample, moves in circles, until accomplishing predetermined test number (TN).
The invention has the advantages that:
At first; The experiment detection device of said safety belt height adjuster; Objective datas such as the dynamics when accurately the analog feedback user uses of seat belts height adjuster, displacement; According to these data, the problem of safety belt height adjuster can in time be fed back and adjusted, and can improve the operation comfort of full band height adjuster greatly; The experiment detection device of said safety belt height adjuster is installed and is easy to detect simultaneously.
Secondly; The experiment detection device of said safety belt height adjuster, the testing result good reliability can be adjusted force transducer and displacement transducer accuracy of detection according to the actual requirements; Measurement range is wide; The detection in real time of whole testing process, feedback data, stroke curve can discovery procedure problems in time, have good practicability and data accuracy.
At last; The method for testing and detecting of said safety belt height adjuster; Realize through said pick-up unit; Through controller action, make servomotor and cylinder accomplish quantitative rotation and stretch out, regain action, the conversion through utility appliance, frock clamp are to the detection and the signal feedback of the position maintenance of test sample and corresponding force, displacement transducer; Reach the firmly size of simulation occupant when using height adjuster, change in displacement and through power and the visual feedback of displacement curve on display screen; Thereby provide one well to detect foundation for judging and regulating occupant's comfort level, this device can carry out corresponding durable motion detection simultaneously, checking height adjuster quality situation.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of instructions of the present invention and the mark among the figure down and make brief description:
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 sample installing plate, driver element and detecting unit of the experiment detection device of Fig. 1 safety belt height adjuster;
Fig. 4 is driver element and the part-structure synoptic diagram of detecting unit of the experiment detection device of Fig. 1 safety belt height adjuster;
Mark among the 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, the turning axle web joint, 24, turning axle, 3, test unit, 31, the 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, the force transducer support, 331, displacement transducer; 332, displacement web joint, 333, push pedal, 334, force transducer, 335, screw rod, 336, cylinder mounting plate; 337, cylinder, 338, push-off pin, 339, grip block, 3310, test sample, 3311, mounting bracket.
Embodiment
Contrast accompanying drawing below, through the description to optimum embodiment, specific embodiments of the invention is done further detailed explanation.
Extremely shown in Figure 4 like Fig. 1; The experiment detection device of said safety belt height adjuster comprises test unit 3, comprises the test sample 3310 of safety belt height adjuster; The sample installing plate 31 that comprises installation and measuring sample 3310, test sample 3310 are installed on the sample installing plate 31; Also comprise and be used for the cylinder 337 that test sample 3310 is pushed release; On sample installing plate 31, be provided with driver element 32 that drives test sample 3310 simulated altitude position adjustments and the detecting unit 33 that is used to detect test sample 3310 driving forces and displacement; Driver element 32, ball-screw 325 that comprise drive motor 321, is connected with drive motor 321 output shafts and the feed screw nut 326 that cooperates with ball-screw 325 are connected with force transducer support 327 on the feed screw nut 326; Detecting unit 33 comprises force transducer 334 and is located at the displacement transducer 331 on the sample installing plate 31; Cylinder 337 is installed on the cylinder mounting plate 336, and when test sample 3310 lockup states, the piston rod of cylinder 337 contacts with the locking button of test sample 3310; Force transducer 334 1 ends connect force transducer support 327, and force transducer 334 other ends are connected on the end of cylinder mounting plate 336, and the other end of cylinder mounting plate 336 is connected with the head of displacement transducer 331; Also comprise the controller that is connected with drive motor 321, cylinder 337, force transducer 334 and displacement transducer 331 respectively.
Between force transducer 334 and cylinder mounting plate 336, establish a push pedal 333, push pedal 333 1 ends are connected with force transducer 334, and push pedal 333 other ends are connected with cylinder mounting plate 336; Between cylinder mounting plate 336 and displacement transducer 331, establish a displacement web joint 332, displacement web joint 332 1 ends are connected with cylinder mounting plate 336, and displacement web joint 332 other ends are connected with the head of displacement transducer 331.
Collection, the feedback of detecting unit 33 main realizable forces and displacement; Be connected to the detection of force transducer 334 realizable forces of force transducer support 327 and push pedal 333 by two ends; Force transducer 334 is through screw rod 335 two ends be threaded force transducer support 327 and push pedal 333; The adjustable length that is connected of force transducer 334 and force transducer support 327 and push pedal 333 can simulate the size that staff is pushed lifting force behind the height adjuster; Displacement transducer 331 is connected on the sample installing plate 31 through bolt; Its head is connected on the displacement web joint 332; Through the driving force of driver element 32, at first order about feed screw nut 326 drive sensor stands 327 and push pedal 333, and then drive cylinder mounting plate 336 moves up and down along sample installing plate 31; Thereby drive moving up and down of displacement web joint 332, so finally carry out the detection of displacement size in real time by displacement transducer 331; On sample installing plate 31, be provided with to cooperate and be used for the line slide rail that cylinder mounting plate 336 moves up and down guiding with cylinder mounting plate 336; Cylinder mounting plate 336 is installed on the line slide rail; Push pedal 333 is fixedly connected with cylinder mounting plate 336, and line slide rail is the position-limit mechanism of restriction push pedal 333 rotations; Line slide rail and ball-screw 325 are set in parallel on the sample installing plate 31, thereby better realize the straight reciprocating motion of pressing part.
The detection method of the experiment detection device of said safety belt height adjuster may further comprise the steps;
At first; According to test standard; Accomplish the setting of sample installing plate 31 angles through angle regulator 2; Then test sample 3310 two ends are installed on the mounting bracket 3311 through screw, mounting bracket 3311 is fixed on the sample installing plate 31, and the waist-shaped hole on mounting bracket 3311 can be finely tuned the fixed position of test sample 3310; Through connecting push-off pin 338 and grip block 339, test sample 3310 is fixed on the sample installing plate 31 subsequently.
In the test testing process, need follow locking → release behind the big stroke of release → move → do → move (returning) → test initial position locking → release → ... Actuation cycle, and require circulation 3000 times; Releasing process (being that process is pushed in cylinder 337 simulations); Moving process (being the stepwise operation of drive motor 321), two kinds of motions need accurately to cooperate, promptly before the action beginning; Controller gives cylinder 337 push action signals; Cylinder 337 receive behind the signals control piston bar extend under reach, thereby realize the release of pushing of test sample 3310 buttons through the effect of push-off pin 338, and keep the release action; The releasing process middle controller gives the servo-driver stairstep signal; Thereby the control servomotor rotates; Accomplish the transmission that ball-screw 325 moves through shaft coupling 323, realize that the force transducer support 327 that is connected on the feed screw nut 326 moves axially, move up and down thereby promote cylinder mounting plate 336; Make and be fixed on the grip block 339 clamped sample movable devices motion on the cylinder mounting plate 336; Be moving up and down of height adjuster movable part, produce the variation of displacement, utilize the displacement transducer 331 that is connected on the cylinder mounting plate 336 to carry out the detection of displacement;
At last; The piston rod of cylinder 337 is regained, and promptly makes locking after the range, and circulation is carried out long duration test and detected according to this; And in testing process; Force transducer 334 concerns that with size and displacement size stroke curve that displacement transducer 331 feedbacks are exerted oneself feed back to intuitively on the display screen of controller, the problem that the process of the test height adjuster occurs can in time be fed back and adjust; In the testing process,, can carry out the adjustment of angle through angle regulator 2 owing to receive force direction can cause testing result variant.
Principle of work of the present invention is following: the experiment detection device of said safety belt height adjuster; Pass through controller action; Make servomotor and cylinder 337 accomplish quantitative rotation and stretch out, regain action; Conversion through utility appliance, frock clamp are to the detection and the signal feedback of the position maintenance of test sample 3310 and corresponding force, displacement transducer 331; Reach the firmly size of simulation occupant when using height adjuster, change in displacement and through power and the visual feedback of displacement curve on display screen; Thereby provide one well to detect foundation for judging and regulating occupant's comfort level, this device can carry out corresponding durable motion detection simultaneously, checking height adjuster quality situation.
Detected sample 3310 is installed on the sample installing plate 31, and the action that ejects the manual pressing button of regaining the back of action simulation driver through cylinder 337 realizes release; Servomotor action simultaneously through the conversion of ball-screw 325, realizes that grip block 339 drives test sample 3310 and moves up and down; Accomplish the process that displacement realizes; Guarantee in the process that button positions fixes, guarantee the accuracy of pressing force, adjust through 2 pairs of tests of angle regulator angle in the process; Through the feedback and the output of force transducer 334 and displacement transducer 331, occupant's firmly size and displacement in the testing process are held and are regulated thereby reaches testing process.
Above the present invention has been carried out exemplary description; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. the experiment detection device of a safety belt height adjuster comprises test sample (3310), it is characterized in that: comprise the sample installing plate (31) that said test sample (3310) is installed; Comprise and be used for the cylinder (337) that said test sample (3310) is pushed release; On said sample installing plate (31), establish driver element (32) and detecting unit (33); Said driver element (32); Ball-screw (325) that comprise drive motor (321), is connected with said drive motor (321) output shaft and the feed screw nut (326) that cooperates with said ball-screw (325) are connected with force transducer support (327) on the said feed screw nut (326); Said detecting unit (33) comprises force transducer (334) and is located at the displacement transducer (331) on the said sample installing plate (31); Said cylinder (337) is installed on the cylinder mounting plate (336), and when said test sample (3310) lockup state, the piston rod of said cylinder (337) contacts with the locking button of said test sample (3310); Said force transducer (334) one ends connect said force transducer support (327); Said force transducer (334) other end is connected on the end of said cylinder mounting plate (336), and the other end of said cylinder mounting plate (336) is connected with the head of said displacement transducer (331); Also comprise the controller that is connected with said drive motor (321), cylinder (337), force transducer (334) and displacement transducer (331) respectively.
2. according to the experiment detection device of the described safety belt height adjuster of claim 1; It is characterized in that: between said force transducer (334) and cylinder mounting plate (336), establish a push pedal (333); Push pedal (333) one ends are connected with force transducer (334), and push pedal (333) other end is connected with cylinder mounting plate (336); Between cylinder mounting plate (336) and displacement transducer (331), establish a displacement web joint (332); Displacement web joint (332) one ends are connected with cylinder mounting plate (336), and displacement web joint (332) other end is connected with the head of displacement transducer (331).
3. according to the experiment detection device of the described safety belt height adjuster of claim 1; It is characterized in that: said sample installing plate (31) is connected with the base (1) that is used to support said sample installing plate (31), and said sample installing plate (31) is connected with said base (1) through an angle regulator (2).
4. according to the experiment detection device of the described safety belt height adjuster of claim 3, it is characterized in that: said angle regulator (2) comprises the turning axle (24) that is connected with said sample installing plate (31); Turning axle (24) two ends are connected with said base (1) through bearing assembly (22) respectively; Side at turning axle (24) bearings at both ends assembly (22) is provided with the angle mechanical brake (21) that axes winding bearing seat rotates.
5. according to the experiment detection device of the described safety belt height adjuster of claim 4, it is characterized in that: the compact heap that said angle mechanical brake (21) rotates around bearing seat for the bearing that is used for axes bearing assembly (22).
According to claim 1 or 2 or 3 the back 4 or 5 described safety belt height adjusters experiment detection device; It is characterized in that: for to be connected in the servomotor on the sample installing plate (31), the motor output shaft of said servomotor is connected through shaft coupling (323) with ball-screw (325) said drive motor (321).
7. according to the experiment detection device of the described safety belt height adjuster of claim 6, it is characterized in that: on said sample installing plate (31), be provided with said cylinder mounting plate (336) and cooperate the line slide rail that is used for cylinder mounting plate (336) mobile guide; Said line slide rail and ball-screw (325) laterally arrange.
8. according to the experiment detection device of the described safety belt height adjuster of claim 7; It is characterized in that: said test sample (3310) is connected on the said sample installing plate (31) through mounting bracket (3311), on mounting bracket (3311), is provided with the waist-shaped hole of fine setting test sample (3310) installation site; On said cylinder mounting plate (336), be provided with the grip block (339) of the said test sample of clamping (3310); Be provided with the contacted knock-pin of locking button with said test sample (3310) in said cylinder (337) piston rod end.
9. according to the experiment detection device of the described safety belt height adjuster of claim 8; It is characterized in that: said base (1); Comprise base plate (11) and the mount pad (13) that is connected with said base plate (11), be provided with bracing frame (12) between mount pad (13) and the base plate (11).
10. the detection method of the experiment detection device of the described safety belt height adjuster of claim 1 is characterized in that: may further comprise the steps;
(1) according to test standard, at first test sample is installed on the sample installing plate, accomplish the setting of sample installing plate angle through angle regulator;
(2) opening controller, controller give cylinder push action signal, and control piston bar behind the cylinder reception signal is realized the release of pushing of test sample button, and keep the release action; The releasing process middle controller gives the drive motor stairstep signal; Thereby the controlling and driving motor rotates, and ball-screw transmits the power of drive motor to feed screw nut, makes the force transducer support that is connected on the feed screw nut move axially; And then the realization cylinder mounting plate is mobile; Make to be fixed on the grip block clamping test sample motion on the cylinder mounting plate, test sample produces the variation of displacement, utilizes the displacement transducer that is connected on the cylinder mounting plate to carry out the detection of displacement; Force transducer is realized the detection of driving dynamics; The size of displacement transducer and the real-time feedback force of force transducer and displacement size stroke curve are related on the display screen of controller, and the problem that the process of the test test sample occurs can in time be fed back and adjust;
(3) after stroke of drive motor finished, the piston rod of controller control cylinder was regained, and test sample gets into lockup state; Accomplish the setting of sample installing plate angle this moment through angle regulator; Opening controller, the operation of repeating step (2) realizes the detection of another stroke of test sample, moves in circles, until accomplishing predetermined test number (TN).
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Cited By (6)
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| CN105460234A (en) * | 2015-11-27 | 2016-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft command sensor driving device for testing |
| CN106871833A (en) * | 2015-12-10 | 2017-06-20 | 深圳市比克动力电池有限公司 | Battery slot rolling shoulder height measurement apparatus and its measuring method |
| CN108051156A (en) * | 2017-12-29 | 2018-05-18 | 无锡星月科技有限公司 | A kind of 4R valves inner hexagon device |
| CN109186498A (en) * | 2018-02-11 | 2019-01-11 | 上海机动车检测认证技术研究中心有限公司 | A kind of integrated correction device |
| CN109781331A (en) * | 2019-03-13 | 2019-05-21 | 长春合心机械制造有限公司 | Safety belt height adjuster adjusting force detecting tool |
| CN115637682A (en) * | 2022-12-14 | 2023-01-24 | 山东大禹水务建设集团有限公司 | Fence for hydraulic engineering and using method thereof |
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