CN203374711U - Friction piece thickness simulator - Google Patents
Friction piece thickness simulator Download PDFInfo
- Publication number
- CN203374711U CN203374711U CN201320417591.3U CN201320417591U CN203374711U CN 203374711 U CN203374711 U CN 203374711U CN 201320417591 U CN201320417591 U CN 201320417591U CN 203374711 U CN203374711 U CN 203374711U
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- China
- Prior art keywords
- friction plate
- running shaft
- piston
- thread spindle
- plate thickness
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Abstract
The utility model relates to a friction piece thickness simulator which comprises a friction piece simulation piece, wherein the friction piece simulation piece is fixedly provided with a caliper support, the caliber support is fixedly provided with a caliper, and the caliper is provided with a piston. The friction piece thickness simulator is characterized in that a through screw hole is formed in the friction piece simulation piece in the axial direction of the piston, a threaded shaft is connected with the screw hole through internal threads, the front end of the threaded shaft butts against a piston rod of the piston, and the friction piece thickness simulator further comprises a drive mechanism driving the threaded shaft to rotate around the axis of the threaded shaft. The friction piece thickness simulator overcomes the defects in the prior art, a PLC is used for automatically changing the distance with the threaded shaft which is butted against the piston, so that the three typical thickness states of brand new, semi abrasion and full abrasion are automatically simulated. Compared with the manual adjustment mode, the friction piece thickness simulator is high in testing efficiency and accuracy, and has high practical value.
Description
Technical field
The utility model relates to a kind of friction plate thickness simulator, relates in particular to a kind of friction plate thickness simulator that automotive disc brake is carried out to the test of hydraulic pressure endurance quality.
Background technique
Automobile brake is that to utilize friction be heat energy by kinetic transformation, thereby makes automobile lose kinetic energy and the process that stops.Disk type braker (hereinafter to be referred as clamp) becomes the main product in current automobile brake parts market because of advantages such as its Braking efficiency are high, thermal diffusivity is good, braking force stability is strong.Because its functional characteristic is most important to traffic safety, so automobile industry formulated a lot of testing standards and requirement to the test of its functional characteristic, and wherein the hydraulic pressure endurance quality of clamp is one of its functional characteristic tests.In real driving states, the friction plate of installing in clamp can constantly wear and tear along with increasing of number of times of braking, so the hydraulic pressure endurance quality of clamp need to be considered this changing factor when test, under the state that need reduce gradually at friction plate thickness, tests.
At present the common practice in industry is, for the brand-new state of friction plate, partly wear and tear state and complete wear damaged three kinds of typical thickness states of state, processes respectively the steel matter simulated block of different-thickness, in order to simulate three kinds of operating modes under state of wear.When needs are switched to differentiated friction sheet thickness measuring condition, carry out the artificial unloading and simulated block is installed.This method can not reflect the hydraulic pressure endurance quality of (friction plate weares and teares gradually) clamp under time of day fully, simultaneously artificial dismounting strengthened the workman workload, reduced manufacturing efficiency, also increased the difficulty to the accurate control of thickness simultaneously.
The model utility content
The utility model has overcome the deficiencies in the prior art, and the friction plate thickness that a kind of automaticity is high, efficiency is high simulator is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of friction plate thickness simulator, it comprises the friction plate simulated block, be fixedly installed a caliper bracket on described friction plate simulated block, be fixedly installed clamp on described caliper bracket, be provided with a piston on described clamp, it is characterized in that: on described friction plate simulated block along the screw that a perforation axially is set of described piston, described screw internal thread connects a thread spindle, the front end of described thread spindle is resisted against on the piston rod of described piston, and it also comprises the driving mechanism of the described thread spindle of a driving around the rotation of self axis.
Preferably, described driving mechanism comprises the shell of a hollow, one running shaft is set in described shell rotationally, be provided with a plurality of blades on the periphery wall of described running shaft, be respectively arranged with an air outlet and a suction port in the axis both sides of described running shaft on described shell, described suction port connects high-pressure air source by the solenoid valve pipeline, and described running shaft connects described thread spindle.
Preferably, it also comprises an angle adjusting mechanism, described angle adjusting mechanism comprises that a pedestal and be fixed on described shell is fixed on the discoidal rotating disk on described running shaft, described rotating disk and described rotating shaft coaxle, be provided with the arc groove of two C fonts that run through on described rotating disk, each described arc groove is all concentric with described rotating disk, and all removably be provided with a limiting stopper on each described arc groove, be provided with a fixed block on described pedestal, on stroke when described fixed block is positioned at described limiting stopper rotation.
Preferably, described angle adjusting mechanism also comprises that one is arranged on the cover body of the cylindrical hollow on described pedestal, one end of described cover body and described rotating shaft coaxle and described running shaft is arranged in described mask body intracavity, circumferentially be provided with scale along it on the outer wall of described cover body, also be provided with two chutes that run through on described cover body, two described limiting stopper at least a portion are stretched out outside described cover body through described chute respectively.
Preferably, a set of cylinder of described running shaft outside thread socket, be provided with a keyway on described thread spindle, and after a pin passes and is arranged on the pin hole on described sleeve, the front end inlay card is in described keyway.
Preferably, described driving mechanism is connected by some attachment posts with the friction plate simulated block, and described sleeve is along between the described attachment post of being axially disposed within of described attachment post.
Preferably, described running shaft connects described thread spindle by a unilateral bearing.
Preferably, described suction port all is connected import and the outlet of described high-pressure air source with air outlet by described solenoid valve pipeline, and described solenoid valve is electrically connected to the PLC programmable controller.
Friction plate thickness simulator of the present utility model has solved the defect existed in the background technique, utilize the PLC controller automatically to change the distance with the thread spindle of piston abuts, thereby the brand-new state of automatic imitation friction plate, partly wear and tear state and complete wear damaged three kinds of typical thickness states of state.The mode of relative manual tune, the utility model testing efficiency is high, and precision is high, has higher use value.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the structural representation of removing in preferred embodiment of the present utility model after caliper bracket and clamp;
The worm's eye view that Fig. 3 is Fig. 2;
Fig. 4 is the principle schematic after angle adjusting mechanism is removed cover body;
Fig. 5 is the decomposing schematic representation of running shaft and piston combination in preferred embodiment of the present utility model.
Embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figures 1 to 4, a kind of friction plate thickness simulator of the present utility model comprises friction plate simulated block 10, is fixedly installed a caliper bracket 12 on friction plate simulated block 10, is fixedly installed clamp 14 on caliper bracket 12.Be provided with a piston 16 on clamp 14, the screw (not shown) of a perforation is set over against piston 16 positions on friction plate simulated block 10, the screw internal thread connects a thread spindle 18, and the front end of thread spindle 18 is resisted against on the piston rod of piston 16.As shown in Figure 5, it can also arrange a power sensor 50 as required between thread spindle 18 and piston 16, with the pressure that detects piston 16, changes, and the piston collar 52 is arranged for fixed piston 16 in Fig. 5.Piston rod can tightly be resisted against on thread spindle 18 under the hydraulic pressure of piston 16 like this, thereby carries out the hydraulic pressure endurance quality test of clamp.By rotation thread spindle 18, change the distance of itself and piston 16, thereby can simulate the brand-new state of friction plate, partly wear and tear state and complete wear damaged three kinds of typical thickness states of state, carry out three kinds of tests under state, the change of each thread spindle 18 positions, piston rod can compensate this and change under the effect of hydraulic pressure, still keeps the state with thread spindle 18 close contacts.In order to realize automatic control, it also comprises the driving mechanism 20 of a driving thread spindle 18 around the rotation of self axis, driving mechanism 20 is connected by some attachment posts 21 with friction plate simulated block 10, this driving mechanism 20 is controlled by PLC programmable controller (not shown), thereby control the rotating cycle of thread spindle 18, with the end face of accurately controlling thread spindle 18 and the distance between piston 16.
Based on above mentality of designing, the industry those of ordinary skill can expect utilizing stepper motor to drive the mode of thread spindle 18 rotations to realize above-mentioned functions as driving mechanism 20 at an easy rate.
The structure of another driving mechanism 20 is provided in the present embodiment.This driving mechanism 20 comprises the shell 22 of a hollow, one running shaft 24 is set in shell 22 rotationally, be provided with a plurality of blades (not shown) on the periphery wall of running shaft 24, be respectively arranged with an air outlet 26 and a suction port 28 on shell 22 in the axis both sides of running shaft 24, suction port 28 connects high-pressure air source (not shown) by solenoid valve (not shown) pipeline, the high pressure air provided by high-pressure air source blows on blade, thereby drives running shaft 24 rotations.And running shaft 24 connecting thread axles 18, thereby drive thread spindle 18 rotations.For fear of thread spindle 18 counterrotating when working, running shaft 24 is by unilateral bearing (not shown) or flywheel (not shown) connecting thread axle 18.
In order accurately to control the angle of running shaft 24 rotations, also designed an angle adjusting mechanism 30 in the present embodiment.Fig. 4 is that angle adjusting mechanism is removed the rear axial view along running shaft 24 of cover body 32, and angle adjusting mechanism comprises a pedestal 34 and rotating disk 36.Pedestal 34 is fixed on shell and does not hinder running shaft 24 rotations; Rotating disk 36 centers porose (not shown), be fixed on running shaft 24 by this hole.Be provided with the arc groove 44 of two C fonts that run through on rotating disk 36, each arc groove 44 is all concentric with rotating disk 36.All by screw 48, fix a limiting stopper 38 on each arc groove 44, like this, during running shaft 24 rotation, drive rotating disk 36 rotations, drive limiting stopper 38 rotations simultaneously.Be provided with a fixed block 46 on pedestal 34, on stroke when fixed block 46 is positioned at limiting stopper 38 rotation, like this, by the angle of regulating between two limiting stoppers 38, can control the angle that running shaft 24 rotates.
One columniform cover body 32 also is set on pedestal 34, and cover body 32 and end running shaft 24 coaxial with running shaft 24 is arranged in cover body 32 inner chambers.Circumferentially be provided with scale (not shown) along it on the outer wall of cover body 32.Also be provided with two chutes that run through (not shown) on cover body 32, the part of two limiting stoppers 38 is stretched out outside cover body 32 through chute respectively.Can regulate exactly the angle between two limiting stoppers 38 by the scale on cover body 32 like this, after having regulated by screw fixedly limiting stopper 38 get final product.
This structure can realize the angle of swing control of running shaft 24.For example, while needing running shaft 24 half-twist, between two limiting stoppers 38 are adjusted to according to scale, angle is 90 °, fixed block 34, between two limiting stoppers 38, first is resisted against fixed block 34 before startup on a limiting stopper 38, and ventilation makes running shaft 24 rotations, abut on second limiting stopper 38 to fixed block 34, thereby stop operating, now, running shaft 24 has just rotated 90 °.The angle of running shaft 24 rotations and the externally threaded pitch of thread spindle 18 match, and can accurately control the distance that thread spindle 18 moves along its axis.
In order to realize the position of multistage adjusting thread spindle 18, the utility model has also carried out following improvement:
By above control mode, can automatically realize the brand-new state of friction plate, partly wear and tear state and complete wear damaged the testing property under three kinds of typical thickness states of state, test process does not need manual intervention, and efficiency is very high.
For before test or be completed, the position by thread spindle 18 rotations to the initial brand-new state of friction plate.The utility model has also designed a sleeve 40 be enclosed within on thread spindle 18, and thread spindle 18 is threaded with sleeve 40.Be provided with a keyway (not shown) on thread spindle 18, a pin 42 passes the rear front end inlay card of the pin hole (not shown) be arranged on sleeve 40 in keyway, thereby sleeve 40 can be fixed on thread spindle 18.In the proper testing process, install pin, make sleeve 40 and thread spindle 18 rotate simultaneously, do not affect thread spindle 18.After being completed, turnbarrel 40, drive thread spindle 18 rotations, thereby regulate the position of thread spindle 18.
The structure of above not shown part, be the common structure of industry, and those of ordinary skills, by above description, can determine the structure that it is concrete at an easy rate.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related personnel can, in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on specification, must determine technical scope according to the claim scope.
Claims (8)
1. a friction plate thickness simulator, it comprises the friction plate simulated block, be fixedly installed a caliper bracket on described friction plate simulated block, be fixedly installed clamp on described caliper bracket, be provided with a piston on described clamp, it is characterized in that: on described friction plate simulated block along the screw that a perforation axially is set of described piston, described screw internal thread connects a thread spindle, the front end of described thread spindle is resisted against on the piston rod of described piston, and it also comprises the driving mechanism of the described thread spindle of a driving around the rotation of self axis.
2. friction plate thickness simulator according to claim 1, it is characterized in that: described driving mechanism comprises the shell of a hollow, one running shaft is set in described shell rotationally, be provided with a plurality of blades on the periphery wall of described running shaft, be respectively arranged with an air outlet and a suction port in the axis both sides of described running shaft on described shell, described suction port connects high-pressure air source by the solenoid valve pipeline, and described running shaft connects described thread spindle.
3. friction plate thickness simulator according to claim 2, it is characterized in that: it also comprises an angle adjusting mechanism, described angle adjusting mechanism comprises that a pedestal and be fixed on described shell is fixed on the discoidal rotating disk on described running shaft, described rotating disk and described rotating shaft coaxle, be provided with the arc groove of two C fonts that run through on described rotating disk, each described arc groove is all concentric with described rotating disk, and all removably be provided with a limiting stopper on each described arc groove, be provided with a fixed block on described pedestal, on stroke when described fixed block is positioned at described limiting stopper rotation.
4. friction plate thickness simulator according to claim 3, it is characterized in that: described angle adjusting mechanism also comprises that one is arranged on the cover body of the cylindrical hollow on described pedestal, one end of described cover body and described rotating shaft coaxle and described running shaft is arranged in described mask body intracavity, circumferentially be provided with scale along it on the outer wall of described cover body, also be provided with two chutes that run through on described cover body, two described limiting stopper at least a portion are stretched out outside described cover body through described chute respectively.
5. friction plate thickness simulator according to claim 4, it is characterized in that: a set of cylinder of described running shaft outside thread socket, be provided with a keyway on described thread spindle, after a pin passes and is arranged on the pin hole on described sleeve, the front end inlay card is in described keyway.
6. friction plate thickness simulator according to claim 5, it is characterized in that: described driving mechanism is connected by some attachment posts with the friction plate simulated block, and described sleeve is along between the described attachment post of being axially disposed within of described attachment post.
7. according to one of them described friction plate thickness simulator of claim 2-6, it is characterized in that: described running shaft connects described thread spindle by a unilateral bearing.
8. friction plate thickness simulator according to claim 7, it is characterized in that: described suction port all is connected import and the outlet of described high-pressure air source with air outlet by described solenoid valve pipeline, and described solenoid valve electricity all is connected the PLC programmable controller with driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417591.3U CN203374711U (en) | 2013-07-15 | 2013-07-15 | Friction piece thickness simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417591.3U CN203374711U (en) | 2013-07-15 | 2013-07-15 | Friction piece thickness simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374711U true CN203374711U (en) | 2014-01-01 |
Family
ID=49837240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320417591.3U Withdrawn - After Issue CN203374711U (en) | 2013-07-15 | 2013-07-15 | Friction piece thickness simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322098A (en) * | 2013-07-15 | 2013-09-25 | 泛博制动部件（苏州）有限公司 | Friction plate thickness simulator |
-
2013
- 2013-07-15 CN CN201320417591.3U patent/CN203374711U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322098A (en) * | 2013-07-15 | 2013-09-25 | 泛博制动部件（苏州）有限公司 | Friction plate thickness simulator |
| CN103322098B (en) * | 2013-07-15 | 2016-05-18 | 泛博制动部件（苏州）有限公司 | Friction plate thickness simulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |