CN205679399U - Horizontal driver of vehicle seat clamps fault detection mechanism automatically - Google Patents

Abstract

The utility model discloses horizontal driver of vehicle seat and automatically clamp fault detection mechanism.Existing horizontal driver of vehicle seat detection technique haves much room for improvement.The utility model includes organization soleplate, motor mounting rack, the first slide block, linear slide guide rail, limit sensors, transmission transverse slat, drives motor, motor shaft sleeve support, the automatic clamping apparatus of HDM gear-box, the automatic clamping apparatus of HDM leading screw and major part leading screw bearing；The automatic clamping apparatus of HDM gear-box includes clamping mounting base, clamps motor, linear slide rail, HDM gear-box fixture, connecting plate, the second slide block, mounting seat, leading screw, spring fastening, buffer spring and flange；The automatic clamping apparatus of HDM leading screw includes cylinder, cylinder rod, microcephaly's leading screw bearing pressing plate and microcephaly's leading screw bearing.Operating personnel's technology is required low by the utility model, amplifies fault-signal by vibration tong, it is simple to fault-signal is measured, it is ensured that detection quality, and will not cause damage to HDM mechanism.

Description

Horizontal driver of vehicle seat clamps fault detection mechanism automatically

Technical field

The utility model belongs to detection technique field, relates to one and automatically clamps failure detector, particularly to automobile Seat horizontal driver automatically clamp fault detection mechanism.

Background technology

Horizontal driver of vehicle seat (HDM, horizontal drive mechanism) is a kind of by driving motor The mechanism that gyration is regulated before and after being converted into sliding rail of automobile seat linear movement thus realizing seat position.Owing to its part adds Collide with on work, rigging error, the flank of tooth or the reason such as burr, cause small part product to produce in automotive seat running different Often getting noise ready, after being once installed on slide rail, HDM is affected by system, and knocking is amplified, even if compared with noise Can clearly hear when miscellaneous environment regulates seat, and owing to the size of foozle HDM has the dimensions error not It is beneficial to fault detect.Owing to seat is one of most important safety component in automobile, do not allow to be individually replaced slide rail, once have matter Amount problem, it is necessary to change whole chair.Therefore, the consequence that this kind of defect produces will bring the damage of huge economy and prestige to supplier Lose.Most auto parts and components factory commercial city employment work listens method for acoustic to judge whether knock.Due to manufactory Family and agent or even terminal client, all take subjective detection, do not have standard in conforming engineering, therefore cause very to noise Many qualified products are misjudged bad.Artificial cognition method is because artificial subjective judgement product quality not only makes the cost of product increase Add, and add the erroneous judgement of product and the probability by mistake received, it is impossible to adapt to the quick detection of horizontal driver of vehicle seat, very It is unfavorable for the quality testing of horizontal driver of vehicle seat.

Design for this and a kind of should meet the requirement for horizontal driver of vehicle seat quality testing for each link personnel, Simplification technology require, reduce cost, again can flexible operation, easy to use, and will not to HDM itself produce damage detection fill Put extremely important.

Content of the invention

The utility model purpose is the deficiency for existing detection method and technology, provides that a kind of mechanism is simple, is applicable to The fault detection mechanism that HDM quick clip mounting or dismounting are unloaded, easy to operate, can quickly and reliably detect HDM, not produce damage to HDM.

The solution that the utility model specifically solves that its technical problem taked is:

The utility model includes organization soleplate, motor mounting rack, the first slide block, linear slide guide rail, spacing sensing Device, transmission transverse slat, drive motor, motor shaft sleeve support, the automatic clamping apparatus of HDM gear-box, the automatic clamping apparatus of HDM leading screw and Major part leading screw bearing.Both threads rail plate is parallel to be fixed on organization soleplate, and every linear slide guide rail is all sliding with first Block constitutes sliding pair；Every linear slide guide rail two ends are equipped with limit sensors；The two ends of described transmission transverse slat and both threads The first slide block on property rail plate is fixed；Motor mounting rack is fixed on transmission transverse slat；Motor is driven to be fixed on motor peace On dress support, the output shaft of driving motor is by sleeve supporting on motor shaft sleeve support, and motor shaft sleeve support is fixed on transmission On transverse slat；The described automatic clamping apparatus of HDM gear-box includes clamping mounting base, clamps motor, linear slide rail, HDM gear Clamp tool, connecting plate, the second slide block, mounting seat, leading screw, spring fastening, buffer spring and flange.Clamp mounting base to fix On transmission transverse slat；Parallel being fixed on of both threads slide rail clamps on mounting base；Every linear slide rail two ends with two piece second Slide block constitutes sliding pair；HDM gear-box fixture is L-shaped；The horizontal arm of two HDM gear-box fixtures and wherein single line slide rail On two piece of second slide block fix respectively, two piece of second slide block on another root linear slide rail is respectively and fixedly provided with mounting seat；HDM tooth Roller box clamp top is provided with vibrating sensor；Each mounting seat is passed through to be connected with the vertical arm of corresponding end HDM gear-box fixture Plate connects；Spring fastening is all fixed in the inner of two mounting seat；It is all nested with buffer spring on two spring fastenings, and wherein one Individual spring fastening inner face fixation pressure sensor；Two HDM gear-box fixtures are with regard to the central axis driving motor output shaft Centering, two spring fastenings are with regard to the central axis centering driving motor output shaft；Equal mounting flange in the middle part of two pieces of connecting plates；Two Individual flange all constitutes screw pair with leading screw, and the thread rotary orientation of two flanges is contrary；Clamp motor and drive screw turns.

The described automatic clamping apparatus of HDM leading screw includes that cylinder, cylinder rod, microcephaly's leading screw bearing pressing plate and microcephaly's leading screw prop up Seat.Described cylinder is fixed on organization soleplate；The cylinder rod of cylinder is fixed with microcephaly's leading screw bearing；Two pieces of microcephaly's leading screw bearings Pressing plate constitutes sliding pair with microcephaly's leading screw bearing both sides, and is each attached on organization soleplate；Major part leading screw bearing is fixed on mechanism On base plate and coaxial with microcephaly's leading screw bearing.

It is fixed with microcephaly's leading screw bearing top board on described organization soleplate and axial limiting effect is played to microcephaly's leading screw bearing.

Described driving motor, clamp motor and cylinder by control system control, limit sensors, vibrating sensor and The signal detecting is passed to control system by pressure sensor.

The utility model structure can be simple, compact, manufactures and easy to operate, reliable, requires low to operating personnel's technology, and By vibration tong, fault-signal is exaggerated, it is simple to fault-signal is measured, it is ensured that will not be to HDM while detection quality Mechanism causes damage.

Brief description

Fig. 1 is overall structure stereogram of the present utility model；

Fig. 2 is top view of the present utility model；

Fig. 3 is the structural representation of the automatic clamping apparatus of HDM gear-box in the utility model；

Fig. 4 is the structural representation of the automatic clamping apparatus of HDM leading screw in the utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawings the utility model is described further.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, horizontal driver of vehicle seat clamps fault detection mechanism automatically, including machine Structure base plate the 1st, motor mounting rack the 2nd, the first slide block the 3rd, linear slide guide rail the 4th, limit sensors the 5th, transmission transverse slat the 6th, drive motor, Motor shaft sleeve support the 7th, the automatic clamping apparatus of HDM gear-box the 8th, the automatic clamping apparatus of HDM leading screw 9 and major part leading screw bearing 11.Two Root linear slide guide rail 4 is parallel to be fixed on organization soleplate 1, and every linear slide guide rail 4 all constitutes slip with the first slide block 3 Secondary；Every linear slide guide rail 4 two ends are equipped with limit sensors 5；The two ends of transmission transverse slat 6 and both threads rail plate 4 On the first slide block 3 fix；Motor mounting rack 2 is fixed on transmission transverse slat 6；Motor is driven to be fixed on motor mounting rack 2 On, the output shaft of driving motor is by sleeve supporting on motor shaft sleeve support 7, and motor shaft sleeve support 7 is fixed on transmission transverse slat 6 On；The automatic clamping apparatus of HDM gear-box 8 includes clamping mounting base and the 81st, clamps motor the 82nd, linear slide rail the 83rd, HDM gear clamp Tool the 84th, connecting plate the 85th, the second slide block the 86th, mounting seat the 87th, leading screw the 88th, spring fastening the 89th, buffer spring 810 and flange 811.Folder Dress mounting base 81 is fixed on transmission transverse slat 6；Parallel being fixed on of both threads slide rail 83 clamps on mounting base 81；Every line Property slide rail 83 two ends and two piece of second slide block 86 constitute sliding pair；HDM gear-box fixture 84 is L-shaped；Two HDM gear-box fixtures The horizontal arm of 84 is fixed respectively with two piece of second slide block 86 on wherein single line slide rail 83, on another root linear slide rail 83 Two piece of second slide block 86 is respectively and fixedly provided with mounting seat 87；HDM gear-box fixture 84 top is provided with vibrating sensor；Each installs the end Seat 87 is connected by connecting plate 85 with the vertical arm of corresponding end HDM gear-box fixture 84；The inner of two mounting seat 87 is all solid Determine spring fastening 89；It is all nested with buffer spring 810 on two spring fastenings 89, and one of them spring fastening 89 inner face is fixed Pressure sensor；Two HDM gear-box fixtures 84 are with regard to the central axis centering driving motor output shaft, two spring fastenings 89 with regard to the central axis centering driving motor output shaft；Equal mounting flange 811 in the middle part of two pieces of connecting plates 85；Two flanges 811 All constitute screw pair with leading screw 88, and the thread rotary orientation of two flanges 811 is contrary；Clamping motor 82 drives leading screw 88 to rotate.

HDM gear-box fixture 84 according to random vibration principle, HDM gear-box size and gearbox fault Frequency Design, The intrinsic frequency making HDM gear-box fixture 84 reaches the 0.5 to 1.4 of the fault-signal frequency of HDM gear-box, former to being gathered Barrier signal plays amplification, even if fault-signal transport T of HDM gear-box reaches maximum.The fault-signal of HDM gear-box Transport T is calculated as follows:

$\left|T\right|=\frac{\sqrt{1+\frac{1}{Q^2}{\left(\frac{f}{f_0}\right)}^2}}{\sqrt{{\[1-{\left(\frac{f}{f_0}\right)}^2\]}^2+\frac{1}{Q^2}{\left(\frac{f}{f_0}\right)}^2}}$

In formula, f is the frequency of fault-signal, and Q is damping ratio, and the intrinsic frequency of HDM gear-box fixture 84 is:

$f_0=\frac{1}{2\mathrm{\π}}\sqrt{k/M}=\frac{1}{4\mathrm{\π}}\frac{t}{l^2}\sqrt{E/\mathrm{\ρ}}$

In formula, k is the equivalent coefficient of elasticity of HDM gear-box fixture 84, and M is the equivalent mass of HDM gear-box fixture 84；t For the vertical arm thickness of HDM gear-box fixture 84, l is the vertical arm height of HDM gear-box fixture 84, E and ρ HDM gear respectively The Young's modulus of clamp tool 84 and density of material.

The automatic clamping apparatus of HDM leading screw 9 includes that cylinder the 91st, cylinder rod the 92nd, microcephaly's leading screw bearing pressing plate the 93rd, microcephaly's leading screw props up Seat 94 and microcephaly's leading screw bearing top board 95.Cylinder 91 is fixed on organization soleplate 1；The cylinder rod 92 of cylinder 91 and microcephaly's leading screw prop up Seat 94 is fixed；Two pieces of microcephaly's leading screw bearing pressing plates 93 constitute sliding pair with microcephaly's leading screw bearing 94 both sides, and are each attached to mechanism On base plate 1；Microcephaly's leading screw bearing top board 95 is fixed on organization soleplate 1, plays axial limiting effect to microcephaly's leading screw bearing 94.Greatly Captacula thick stick bearing 11 is fixed on organization soleplate 1, and coaxial with microcephaly's leading screw bearing 94.

Drive motor, clamp motor 82 and cylinder 91 by control system control, limit sensors the 5th, vibrating sensor and The signal detecting is passed to control system by pressure sensor.

This horizontal driver of vehicle seat clamps the operation principle of fault detection mechanism automatically:

When carrying out quality testing to HDM, first HDM gear-box 10 is placed between HDM gear-box fixture 84, and electric with driving The output shaft of machine connects；Unclamping microcephaly's leading screw bearing 94 top bolt, cylinder rod 92 drives microcephaly's leading screw bearing 94 to be moved rearwards by, The heart, leading screw major part and major part bearing 95 installing hole to the heart, are tightened major part with microcephaly's leading screw bearing 94 installing hole by leading screw microcephaly Leading screw bearing 11 top bolt, cylinder rod 92 drives microcephaly's leading screw bearing 94 to move forward to microcephaly's leading screw bearing top board 95, twists Tight microcephaly's leading screw bearing 94 top bolt, completes leading screw and clamps.Then, clamp motor 82 to rotate forward, drive leading screw 88 to drive flange 811, thus drive HDM gear-box fixture 84 and mounting seat 87 to be clamped HDM gear-box by connecting plate 85, work as pressure The pressure of sensor reaches to be automatically switched off during 5N to clamp motor 82, completes Automatic-clamping.Finally drive motor to rotate forward and drive HDM tooth Roller box 10 drive transmission transverse slat 6 and on part positive movement, the vibrating sensor on HDM gear-box fixture 84 carries out HDM Gear-box 10 rotates forward data acquisition；When transmission transverse slat 6 arrives at limit sensors, motor reversal is driven to drive HDM gear-box band Dynamic transmission transverse slat and upper part counter motion thereof, the vibrating sensor on HDM gear-box fixture 84 carries out reversal data collection；When Transmission transverse slat 6 drives motor to stop when arriving at limit sensors, completes HDM fault-detection data collection.Unclamp HDM gear-box, Unclamp HDM leading screw, take off HDM, wait detection next time.

Claims (3)

1. horizontal driver of vehicle seat clamps fault detection mechanism automatically, including organization soleplate, motor mounting rack, the first cunning Block, linear slide guide rail, limit sensors, transmission transverse slat, driving motor, motor shaft sleeve support, HDM gear-box clamp dress automatically Put, the automatic clamping apparatus of HDM leading screw and major part leading screw bearing, it is characterised in that: both threads rail plate is parallel is fixed on machine On structure base plate, every linear slide guide rail all constitutes sliding pair with the first slide block；Every linear slide guide rail two ends are all provided with limited Level sensor；The two ends of described transmission transverse slat are fixed with the first slide block on both threads rail plate；Motor mounting rack is solid It is scheduled on transmission transverse slat；Drive motor to be fixed on motor mounting rack, drive the output shaft of motor to pass through sleeve supporting at electricity On machine sleeve rack, motor shaft sleeve support is fixed on transmission transverse slat；The described automatic clamping apparatus of HDM gear-box includes clamping Mounting base, clamp motor, linear slide rail, HDM gear-box fixture, connecting plate, the second slide block, mounting seat, leading screw, spring prop up Seat, buffer spring and flange；Clamp mounting base to be fixed on transmission transverse slat；Parallel being fixed on of both threads slide rail clamps installation On base plate；Every linear slide rail two ends constitute sliding pair with two piece of second slide block；HDM gear-box fixture is L-shaped；Two HDM teeth The horizontal arm of roller box fixture is fixed respectively with two piece of second slide block on wherein single line slide rail, on another root linear slide rail Two piece of second slide block is respectively and fixedly provided with mounting seat；HDM gear-box clamp top is provided with vibrating sensor；Each mounting seat with right The vertical arm that should hold HDM gear-box fixture is connected by connecting plate；Spring fastening is all fixed in the inner of two mounting seat；Two It is all nested with buffer spring, and one of them spring fastening inner face fixation pressure sensor on spring fastening；Two HDM gear-boxes Fixture is with regard to the central axis centering driving motor output shaft, and two spring fastenings are with regard to the central axis driving motor output shaft Centering；Equal mounting flange in the middle part of two pieces of connecting plates；Two flanges all constitute screw pair, and the thread rotary orientation of two flanges with leading screw On the contrary；Clamp motor and drive screw turns；

The described automatic clamping apparatus of HDM leading screw includes cylinder, cylinder rod, microcephaly's leading screw bearing pressing plate and microcephaly's leading screw bearing； Described cylinder is fixed on organization soleplate；The cylinder rod of cylinder is fixed with microcephaly's leading screw bearing；Two pieces of microcephaly's leading screw bearing pressures Plate constitutes sliding pair with microcephaly's leading screw bearing both sides, and is each attached on organization soleplate；Major part leading screw bearing is fixed at the bottom of mechanism On plate and coaxial with microcephaly's leading screw bearing.

2. horizontal driver of vehicle seat according to claim 1 clamps fault detection mechanism automatically, it is characterised in that: institute It is fixed with microcephaly's leading screw bearing top board on the organization soleplate stated and axial limiting effect is played to microcephaly's leading screw bearing.

3. horizontal driver of vehicle seat according to claim 1 clamps fault detection mechanism automatically, it is characterised in that: institute The driving motor stated, clamp motor and cylinder by control system control, limit sensors, vibrating sensor and pressure sensor The signal detecting is passed to control system.