CN201138289Y - Arm detecting and adjusting apparatus with intervals automatically adjusted - Google Patents
Arm detecting and adjusting apparatus with intervals automatically adjusted Download PDFInfo
- Publication number
- CN201138289Y CN201138289Y CNU2007203034645U CN200720303464U CN201138289Y CN 201138289 Y CN201138289 Y CN 201138289Y CN U2007203034645 U CNU2007203034645 U CN U2007203034645U CN 200720303464 U CN200720303464 U CN 200720303464U CN 201138289 Y CN201138289 Y CN 201138289Y
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- Prior art keywords
- moment
- automatic clearance
- clearance adjuster
- adjusting gear
- detects
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Abstract
The utility model relates to an apparatus used for detecting the separation, the separating force and the moment of an automatic clearance adjusting arm and adjusting the separating force. The working table of the apparatus is provided with a fastening arm of the adjusting arm (9) and a running sensor (10). An electro-motion NC screwdriver is arranged on the left side of the working table that can is driven by the displacement cylinder of the electro-motion NC screwdriver to move axially. A NC apparatus is used to control the whirling of the electro-motion NC screwdriver according to a signal from a force sensor. The force sensor is arranged on a thrust cylinder arranged on the right side of the working table. A gyratory pressing cylinder is arranged on the other end of a puncher. The apparatus used for detecting the separation, the separating force and the moment of the automatic clearance adjusting adopts high-speed data acquisition to ensure the immediacy and the accuracy of data. As the apparatus integrates the detecting of the separation, the separating force and the moment and the adjustment of the separating force, the apparatus has impact structure and easy operation. So the apparatus is the ideal apparatus for detecting and adjusting the automatic clearance adjusting arm.
Description
Technical field
The utility model relates to Separation, separating force and moment that is used to detect automatic clearance adjuster and the device of adjusting 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
The purpose of this utility model 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 utility model 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 utility model, 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 utility model, 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 utility model, 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 utility model, 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 utility model 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 utility model, 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 utility model better, describe a most preferred embodiment of the present utility model 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 utility model 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 utility model detects adjusting gear.As shown in the figure, the most preferred embodiment of automatic clearance adjuster pick-up unit of the present utility model 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 utility model, 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 utility model, in claims of the present utility model 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 (10)
1. an automatic clearance adjuster detects and adjusting gear, be used to detect the separating force of automatic clearance adjuster, moment and Separation, and separating force adjusted, it has a frame, have work stage on it, thrust device, the Separation test section, the moment test section, separating force adjustment part and numerical control device, it is characterized in that: described thrust device, the Separation test section, moment test section and separating force adjustment part are positioned on the same frame, described thrust device, the Separation test section, the moment test section is positioned at the same side of work stage, have automatic clearance adjuster clamp system (9) on the described work stage, 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. automatic clearance adjuster as claimed in claim 1 detects and adjusting gear, it is characterized in that: 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, the drive unit of described numerical control screwdriver is a displacement cylinder, 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.
3. automatic clearance adjuster as claimed in claim 2 detects and adjusting gear, and it 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.
4. detect and adjusting gear as each automatic clearance adjuster among the claim 1-3, it is characterized in that: described work stage also is equipped with a stroke sensor (10) as parts of gap detection portion.
5. automatic clearance adjuster as claimed in claim 3 detects and adjusting gear, it is characterized in that: 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.
6. automatic clearance adjuster as claimed in claim 5 detects and adjusting gear, and it is characterized in that: described locking actuator is a locking cylinder.
7. automatic clearance adjuster as claimed in claim 5 detects and adjusting gear, and it is characterized in that: described moment of torsion servo actuator is a moment of torsion servomotor.
8. automatic clearance adjuster as claimed in claim 6 detects and adjusting gear, and it is characterized in that: described moment of torsion servo actuator is a moment of torsion servomotor.
9. detect and adjusting gear as each automatic clearance adjuster among claim 2,3, the 5-8, it is characterized in that: described sensor is the digital-type intelligent sensor.
10. automatic clearance adjuster as claimed in claim 9 detects and adjusting gear, it is characterized in that: be furnished with LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203034645U CN201138289Y (en) | 2007-12-27 | 2007-12-27 | Arm detecting and adjusting apparatus with intervals automatically adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203034645U CN201138289Y (en) | 2007-12-27 | 2007-12-27 | Arm detecting and adjusting apparatus with intervals automatically adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138289Y true CN201138289Y (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203034645U Expired - Fee Related CN201138289Y (en) | 2007-12-27 | 2007-12-27 | Arm detecting and adjusting apparatus with intervals automatically adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138289Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592055C (en) * | 2007-12-27 | 2010-02-24 | 瑞立集团瑞安汽车零部件有限公司 | Automatic gap adjusting arm detection and adjusting apparatus |
-
2007
- 2007-12-27 CN CNU2007203034645U patent/CN201138289Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592055C (en) * | 2007-12-27 | 2010-02-24 | 瑞立集团瑞安汽车零部件有限公司 | Automatic gap adjusting arm detection and adjusting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |