CN100592055C - Automatic gap adjusting arm detection and adjusting apparatus - Google Patents

Automatic gap adjusting arm detection and adjusting apparatus Download PDF

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Publication number
CN100592055C
CN100592055C CN200710164651A CN200710164651A CN100592055C CN 100592055 C CN100592055 C CN 100592055C CN 200710164651 A CN200710164651 A CN 200710164651A CN 200710164651 A CN200710164651 A CN 200710164651A CN 100592055 C CN100592055 C CN 100592055C
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moment
detection
adjusting gear
test section
numerical control
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CN101216374A (en
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瞿昌贵
李传武
陈迎红
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Ruili Group Ruian Auto Parts Co Ltd
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Ruili Group Ruian Auto Parts Co Ltd
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Abstract

The invention relates to a device for detecting separating gap, separating force and moment of automatic gap adjusting arm and adjusting separating force, which comprises an automatic gap adjusting arm clamping mechanism and a journey sensor on the workbench of the device. An electric numerical-control screwdriver arranged on the left side of the workbench can be driven by an electric numerical-control screwdriver displacement cylinder to move along the axial direction, and can rotate under control of a numerical control device according to a signal from a force sensor. The force sensor is arranged on a thrust cylinder on the right side of the workbench, and a rotary compress cylinder is arranged on the other end of a push rod. The automatic gap adjusting arm detecting and adjusting devicecan ensure the real-time characteristics and accuracy of data by adopting high-speed data collection. By integrating the detection of separating gap, separating force and moment and the adjustment ofseparating force, the device has compact structure and convenient operation, and is an ideal automatic gap adjusting arm detecting and adjusting device.

Description

Automatic clearance adjuster detects and adjusting gear
Technical field
The present invention relates to be used to detect Separation, separating force and the moment of automatic clearance adjuster and adjust the device of separating force.
Background technology
Automatic clearance adjuster is the accessory of detent on the vehicle, is used to adjust the gap between brake block and the brake drum, makes it remain on a steady state value, and is reliable to guarantee braking, vehicle driving safety.Before automatic clearance adjuster dispatches from the factory, detect Separation, separating force and moment, and separating force is adjusted.Traditional automatic clearance adjuster producer adopts artificial mode to carry out this detection and adjustment, and parameter is fuzzyyer, is difficult to reach accuracy of detection, and very loaded down with trivial details, needs repeatedly just can finish repeatedly.
The automatic clearance adjuster of known a kind of Germany detects with adjusting gear and comprises a pick-up unit and a regulating device, and equipment is huge, heavy, uses inconvenience.
Summary of the invention
Purpose of the present invention will overcome above-mentioned deficiency of the prior art exactly, provides a kind of automatic clearance adjuster that detects and adjust that integrates to detect adjusting gear, and its compact conformation is easy to operate.
Automatic clearance adjuster of the present invention detects and adjusting gear has a frame, has work stage, thrust device, Separation test section, moment test section and separating force detection and adjustment part and numerical control device on it.In most preferred embodiment of the present invention, described thrust device is a thrust cylinder.Described thrust cylinder, Separation test section, separating force test section and moment test section are positioned at the same side of work stage, and the numerical control screwdriver that described separating force adjustment part comprises the opposite side that is positioned at work stage with and drive unit and control device.In most preferred embodiment of the present invention, this numerical control screwdriver is an electric numerically-controlled screwdriver.Described work stage has a clamp system that is used to clamp the automatic clearance adjuster of tested adjustment, also has a stroke sensor as parts of gap detection portion.Also comprise the part that leans in push rod (among the figure) left side that is contained in thrust device (for example thrust cylinder) in the gap detection portion, be used for when detecting Separation, leaning hexagon plane adjusting the worm screw of arm automatically.In most preferred embodiment of the present invention, this leans part is that single-revolution compresses actuator, and for example the single-revolution clamping cylinder has a butterfly on it, and this butterfly is by a numerical control drive unit (for example numerical-control motor) driven in rotation an angle of 90 degrees.When detecting Separation, on the worm screw hexagon plane of an end in contact automatic clearance adjuster of butterfly, other end contacting travel sensor guide rod end face.Like this to lean part easy to operate, reliable, simple in structure.Have a force transducer on the push rod of described thrust device (for example thrust cylinder or thrust hydraulic cylinder), by means of the detection of this device realization separating force, its separating force adjustment part with work stage (among the figure) left side cooperates, and can also realize the adjustment of separating force.Described separating force adjusting gear mainly comprises an electric numerically-controlled screwdriver, the signal controlling rotation that it is sent by above-mentioned force transducer by a control device.
Described moment test section comprises a gas pawl mechanism displacement platform and a drive unit thereof, is preferably a ball screw, gas pawl locking actuator also is housed, this actuator operated one gas pawl sleeve on the gas pawl mechanism displacement platform.In most preferred embodiment of the present invention, described gas pawl locking actuator is a gas pawl locking cylinder.On the described gas pawl mechanism displacement platform moment of torsion servo actuator is housed also, for example a servomotor.This actuator drives described gas pawl sleeve rotation through a torque sensor and a gear train.
In the most preferred embodiment of the present invention that will describe in conjunction with the accompanying drawings below, this gear train is the sprocket chain strip transmission mechanism.
Obviously, automatic clearance adjuster compact conformation of the present invention, simple operation, the accuracy of detection height is that a kind of desirable automatic clearance adjuster detects adjusting gear.
Description of drawings
In order to understand the present invention better, describe a most preferred embodiment of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the most preferred embodiment of automatic clearance adjuster detection of the present invention and adjusting gear, and partly cut-away among the figure is so that show details in more detail.
Fig. 2 is a vertical view embodiment illustrated in fig. 1.
Concrete form of implementation
Accompanying drawing shows the most preferred embodiment that automatic clearance adjuster of the present invention detects adjusting gear.As shown in the figure, the most preferred embodiment of automatic clearance adjuster pick-up unit of the present invention comprises a frame, and work stage is housed on it, has automatic clearance adjuster clamp system 9 and one stroke sensor 10 on the work stage.An electric numerically-controlled screwdriver 1 is equipped with in the work stage left side among the figure, and it can move under the driving of an electric numerically-controlled screwdriver displacement cylinder 8 vertically.The rotating driving device of this electric numerically-controlled screwdriver connects with a numerical control device (not shown), and this numerical control device receives the signal from a force transducer 6, controls electric numerically-controlled screwdriver.Force transducer 6 is contained on the push rod of a thrust cylinder 7 on work stage right side, and single-revolution clamping cylinder 11 is housed on the other end of push rod.The front end of this revolution clamping cylinder (left side among the figure) has the butterfly of digit control rotation, and a numerical control rotating driving device is housed on it.
Gas pawl mechanism displacement platform 13 is driven by ball screw by a motor, and gas pawl locking cylinder 5 is housed on it, and this cylinder can drive a gas pawl locking sleeve 3 and move axially.Have some gas pawls on the gas pawl locking sleeve 3 and these gas pawls are locked at gas pawl latch mechanism on the worm screw of automatic clearance adjuster, on the gas pawl mechanism displacement platform 13 moment of torsion servomotor 14 is housed also, it is through speed reduction unit and a torque and speed sensors 12 and a chain wheel driving mechanism 4, and will rotatablely move passes to gas pawl sleeve 3.
Illustrate the course of work of diagram most preferred embodiment below.
At first automatic clearance adjuster 2 is placed on the work stage, and clamps with clamp system 9.After pressing the starting switch (not shown), the push rod of thrust cylinder 7 moves forward certain stroke.Subsequently, gas pawl mechanism displacement platform 13 also moves forward, when the contact of thrust cylinder push-rod is on the worm screw hexagon plane of adjusting arm 2 automatically, when the power value that force transducer is accepted is got to setting value, 13 stop motions immediately of gas pawl mechanism displacement platform, the push rod of thrust cylinder 7 segment distance of withdrawing backward.
Then, the cylinder bar of revolution clamping cylinder 11 stretches out forward and revolves and turn 90 degrees, and makes butterfly touch the worm screw cube plane of automatic adjustment arm 2, and the while is also being pressed the guide rod end face of stroke sensor 10.The push rod of thrust cylinder 7 pushes down that butterfly loads, off-load once after, continue again to load, off-load n time, for example 3 times, numer centre is obtained mean value with the automatic adjustment arm worm screw of measuring for these three times and the gap between the clutch ring.If this value does not meet technical requirement, system will quit work, and show gap parameter, and defective red light is bright, and all parts will be return the original position.If this data fit technical requirement, system will continue to finish subsequent action.
After having detected the gap, thrust cylinder 7 continues to load.After the loading, the air pressure of thrust cylinder 7 will be reduced to setting value, measure automatic adjustment arm separating force value.If this power value is not in setting range, electric numerically-controlled screwdriver cylinder 8 is released screwdriver, electric numerically-controlled screwdriver 1 drives and adjusts the rotation of arm end cap nut automatically, when the power value is got to setting value, electric numerically-controlled screwdriver stops the rotation, thrust cylinder 7 and revolution clamping cylinder 11 are all got back to corresponding initial position immediately, and the debugging of power value is finished.
After having debugged the power value, gas pawl mechanism displacement platform 13 moves forward to setting value fast, and gas pawl locking cylinder 5 drives gas pawl sleeve 3 locking gas pawl rapidly.Moment of torsion servomotor 14 drives torque and speed sensors 12, and drives gas pawl sleeve 3 rotations at least 360 degree through chain wheel driving mechanism 4.Computing machine shows curve, and calculates the moment of torsion of each peak value (teeth) (maximum 90 teeth of a circle).If green light is bright, the expression product is qualified.Represent defective if red light is bright.Gas pawl mechanism displacement platform 13 gentle pawl locking cylinders 5 are all got back to the original position, and the operator takes off workpiece, and moment of torsion detects debugging and finishes.
By device of the present invention, the work period that above-mentioned detection is adjusted only needs 110 seconds, and handling time only is 10 seconds.The test parameter curve can file or print.
As above accompanying drawings is a most preferred embodiment of the present invention, in claims of the present invention institute restricted portion, can some features among this embodiment be made improvements or replace.For example, each cylinder among this embodiment all can be replaced by hydraulic cylinder, and above-mentioned force transducer, stroke sensor and torque and speed sensors all can be the digital-type intelligent sensor, and device can also be furnished with LCD.

Claims (12)

1. an automatic clearance adjuster detects and adjusting gear, be used to detect separating force, moment and the Separation of automatic clearance adjuster, and separating force adjusted, it has a frame, have work stage, thrust device, Separation test section, moment test section, separating force adjustment part and numerical control device on this frame, it is characterized in that: described thrust device, Separation test section, moment test section and separating force adjustment part are positioned on the same frame; Described thrust device, Separation test section, moment test section are positioned at the same side of work stage; Described thrust device is a thrust cylinder (7), one force transducer (6) is housed on its push rod, single-revolution is housed on the other end of push rod compresses actuator (11), the front end that this revolution compresses actuator has the butterfly that a digit control is rotated, one numerical control rotating driving device is housed on it, but this drive unit driven in rotation baffle plate revolves and turn 90 degrees; Also comprise a numerical control screwdriver, the drive unit of this numerical control screwdriver is a displacement cylinder, and described numerical control screwdriver is an electric numerically-controlled screwdriver, and described numerical control device basis is from the rotation of this screwdriver of signal controlling of described force transducer; Described work stage has a clamp system (9) that is used to clamp the automatic clearance adjuster of tested adjustment, also have a stroke sensor as parts of Separation test section, also comprise the part that leans in the push rod left side that is contained in the thrust cylinder in the Separation test section; Described moment test section comprises a gas pawl mechanism displacement platform (13), one gas pawl locking actuator is housed on it, this gas pawl locking actuator (5) operation one gas pawl sleeve (3), this moment test section also comprises a moment of torsion servo actuator (14), and this moment of torsion servo actuator drives described gas pawl sleeve rotation through a torque and speed sensors (12) and a reducing gear; Described separating force adjustment part comprises the numerical control screwdriver and the drive unit thereof that are subjected to described numerical control device control that is positioned on the work stage opposite side.
2. detection as claimed in claim 1 and adjusting gear is characterized in that: it is the single-revolution clamping cylinder that described revolution compresses actuator, and described numerical control rotating driving device is a numerical-control motor.
3. as the detection and the adjusting gear of claim 1 or 2, it is characterized in that: described locking actuator is a locking cylinder.
4. as the detection and the adjusting gear of claim 1 or 2, it is characterized in that: described moment of torsion servo actuator is a moment of torsion servomotor.
5. detection as claimed in claim 3 and adjusting gear is characterized in that: described moment of torsion servo actuator is a moment of torsion servomotor.
6. as each detection and adjusting gear in the claim 1,2,5, it is characterized in that: described sensor is the digital-type intelligent sensor.
7. detection as claimed in claim 3 and adjusting gear is characterized in that: described sensor is the digital-type intelligent sensor.
8. detection as claimed in claim 4 and adjusting gear is characterized in that: described sensor is the digital-type intelligent sensor.
9. as each detection and adjusting gear in the claim 1,2,5,7,8, it is characterized in that: be furnished with LCD.
10. detection as claimed in claim 3 and adjusting gear is characterized in that: be furnished with LCD.
11. detection as claimed in claim 4 and adjusting gear is characterized in that: be furnished with LCD.
12. detection as claimed in claim 6 and adjusting gear is characterized in that: be furnished with LCD.
CN200710164651A 2007-12-27 2007-12-27 Automatic gap adjusting arm detection and adjusting apparatus Active CN100592055C (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN100592055C true CN100592055C (en) 2010-02-24

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235930B (en) * 2010-04-21 2014-08-20 鸿富锦精密工业(深圳)有限公司 Torsion reconditioner and method of using torsion reconditioner to adjust hinge torsion
CN102645344B (en) * 2012-05-14 2014-04-16 中国计量学院 Device for simulating load on brake clearance adjusting arm
CN102798532B (en) * 2012-08-15 2014-11-05 杭州沃镭科技有限公司 Device for testing performance of spring brake chamber for automobiles
CN103115782B (en) * 2013-01-29 2015-04-29 杭州沃镭科技有限公司 Detection assembly line used for comprehensive performance testing of adjusting arm
CN103115600B (en) * 2013-01-29 2016-02-17 中国计量学院 A kind of arm for adjusting automobile brake clearance automatically free clearance proving installation
CN104180788B (en) * 2013-05-21 2017-02-22 臻越自动化技术(上海)有限公司 Testing device for steering engine and testing method thereof
CN105387832A (en) * 2015-11-02 2016-03-09 安徽江淮汽车股份有限公司 Steering tube lower transmission shaft running clearance test bench and test method
CN107132051A (en) * 2017-04-19 2017-09-05 中国计量大学 A kind of detection method of automotive adjusting arm maximum service life (MSL)
CN106932192B (en) * 2017-04-19 2019-04-09 中国计量大学 A kind of detection method of automotive adjusting arm maximum from angle modulation
CN107255465B (en) * 2017-07-28 2023-12-29 芜湖智联工业装备有限公司 Gap detection mechanism of screw gap detection device and detection method thereof
CN107966231B (en) * 2017-11-20 2024-02-20 瑞立集团瑞安汽车零部件有限公司 Automatic arm moment performance adjusting automatic detection table
CN108827122A (en) * 2018-04-27 2018-11-16 中测测试科技(杭州)有限公司 A kind of arm for adjusting automobile brake clearance automatically free clearance test device and method
CN109990997A (en) * 2019-04-25 2019-07-09 瀚德汽车产品(苏州)有限公司 A kind of parameter adjustment device and its method of adjustment of automatic clearance adjuster
CN111562112B (en) * 2020-04-22 2021-04-27 东风汽车集团有限公司 Automatic adjustment arm self-modulation function durability test's clearance adjustment analogue means

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