CN111982670A - Double-sided wear-resistant detection device and method for brake pad - Google Patents
Double-sided wear-resistant detection device and method for brake pad Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 109
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- 238000005303 weighing Methods 0.000 claims description 62
- 238000003825 pressing Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 15
- 238000005299 abrasion Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
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- 244000309464 bull Species 0.000 abstract description 3
- 239000011449 brick Substances 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 abstract 1
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- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses a double-sided wear-resistant detection device for a brake pad and a detection method of the double-sided wear-resistant detection device for the brake pad, wherein the detection method comprises a detection mechanism and a friction mechanism, wherein the friction mechanism is movably connected to two sides of the detection mechanism; the device reaches the rotation number of times of settlement after the bull stick, close servo motor and the ascending lift post, start gear motor simultaneously and utilize the drive pivot to rotate the upper clamping frame to certain angle, make the device can be after the front wearing and tearing of brake block, then rethread gear motor rotates the drive pivot, conveniently carry out the reverse side wearing and tearing test with the brake block reverse side up, utilize cylinder drive push rod to do reciprocating motion behind the positive surface of arc abrasive brick contact brake block, the friction state of simulation brake block under real work, thereby carry out the wear-resisting test to the brake block, utilize these twice test results to carry out two-sided wear-resisting detection, compare with traditional brake block single face wear-resisting detection mode, the more comprehensive of detection, brake block detects back factor of safety also higher.
Description
Technical Field
The invention relates to the technical field of brake pad detection equipment, in particular to a brake pad double-sided wear-resistant detection device and a detection method thereof.
Background
The automobile is an indispensable vehicle in daily life, and the brake pad in the automobile is a vulnerable part in the advancing process of the automobile, so the demand is large due to the need of regular maintenance and replacement. Brake pads are also called brake shoes. In the brake system of the automobile, the brake pad is the most critical safety part, and the quality of all brake effects plays a decisive role in the brake pad, so the good brake pad is the protection spirit of people and automobiles. In the existing brake pad production industry, a conventional automobile brake pad outer arc grinding machine comprises a frame part, a grinding wheel transmission part, a dust absorption part, a mould rotation part, an electric appliance control part, a machining profiling part and the like, wherein the brake pad is also called a brake shoe or a brake shoe. The vehicle can run on the road due to the rotation of the wheels, when the vehicle needs to be stopped, the brake device generates friction between the brake pads and the brake disc or the brake drum, and converts kinetic energy of the vehicle during running into heat energy in the friction process to be consumed. In a brake system of a vehicle, a brake pad is one of the most critical safety parts, and the performance of the brake pad is decisive for the braking effect. However, the brake pad may be damaged in the using process, so that the safety performance of the vehicle is affected, the common brake pad wear-resistant detection device is inconvenient to fix the brake pad, difficult to position and install the brake pad, and difficult to perform wear-resistant detection on both sides of the brake pad.
In order to solve the problems, the brake pad double-sided wear-resistance detection device and the detection method thereof have the advantages that the brake pad is convenient to fix, the positioning and the installation are simple, the wear-resistance detection can be conveniently carried out on both sides of the brake pad, and the like.
Disclosure of Invention
The invention aims to provide a double-sided wear-resistant detection device of a brake pad and a detection method thereof, the brake pad to be detected is placed on a weighing sensor for weighing, a weighing display screen is used for displaying a weighing value and recording and storing the weighing value, meanwhile, a first pressing sheet is used for pressing the upper end of the brake pad, the position of a sliding sheet is timely adjusted according to the thickness degree of the brake pad, the thickness value of the brake pad is obtained by observing the value of a height scale mark and subtracting the height value of the weighing sensor, the thickness value of the brake pad is recorded and stored, then, a part of distance is pulled between a lower clamping frame and an upper clamping frame, the brake pad is fixed between the lower clamping frame and the upper clamping frame, a clamping spring is used for clamping and positioning, a lifting column is lowered by a proper distance, a cylinder drives a push rod to move a slide block to be right above the brake pad, and a servo motor is started to rotate an arc-shaped grinding block by using a rotating, the bottom end of the arc-shaped grinding block is contacted with the front surface of the brake pad, after the rotating rod reaches the set rotating frequency, the servo motor is closed, the lifting column is lifted, the speed reducing motor is started, the driving rotating shaft is used for rotating the upper clamping frame to a certain angle, the lifting column is lowered for a proper distance, the servo motor is started, the rotating rod is used for rotating the arc-shaped grinding block, the bottom end of the arc-shaped grinding block is contacted with the back surface of the brake pad, after the rotating rod reaches the set rotating frequency, the servo motor is closed, the rubbed brake pad is taken out, meanwhile, the brake pad is placed on the weighing sensor for weighing and thickness measurement, then the abrasion calculation is carried out according to the rotating frequency of the servo motor, the brake pad has the advantages that the brake pad is convenient to fix, the positioning and the installation are simple, the wear resistance detection can be conveniently carried out on both sides of the brake pad, and.
In order to achieve the purpose, the invention provides the following technical scheme: a double-sided wear-resistant detection device for a brake pad comprises a detection mechanism and a friction mechanism, wherein the two sides of the detection mechanism are movably connected with the friction mechanism, the detection mechanism comprises a detection table, a working cavity and a thickness measuring assembly, a weighing display screen and a switch are respectively arranged on the front end face of the detection table, the working cavity is formed in the upper end face of the detection table, a positioning assembly is installed in the inner cavity of the working cavity, the thickness measuring assembly is screwed on the outer wall of one side of the detection table, guide rails are arranged on the two sides of the detection table, and the guide rails are movably connected with the friction mechanism;
the friction mechanism comprises I-shaped guide steel, lifting columns and a servo motor, the lifting columns are mounted on the bottom surfaces of the two sides of the I-shaped guide steel, sliders are arranged at the bottom ends of the lifting columns, and the lifting columns are movably connected with the guide rails through the sliders and are matched with the guide rails.
Further, the both sides processing of steel is led to the I shape has concave type spout, and the protruding type slider corresponding with concave type spout is installed to servo motor's inboard, and protruding type slider and concave type spout are mutually supported, and servo motor's bottom is provided with the bull stick, and the bottom of bull stick is connected with the arc abrasive brick, and installs the cylinder on one side inner wall of lift post, and the protruding type slider is connected through the push rod to the output of cylinder.
Further, locating component includes gear motor, go up the clamp splice, lower clamp splice and spacing board of deciding, gear motor's output is connected through the drive pivot and is gone up the clamp splice, and the bottom four corners department of going up the clamp splice all connects lower clamp splice through clamping spring, the movable groove has all been seted up to the both sides outer wall border department of going up the clamp splice, the articulated elements swing joint movable groove is passed through to spacing bottom of deciding the board, and the both ends of articulated elements all connect on the inner wall in movable groove, and the both sides of working chamber all process have with spacing groove of deciding the board corresponding, spacing groove and spacing groove are matchd each other.
Further, the thickness measurement subassembly includes T type installation piece and first preforming, and smooth chamber has been seted up on the surface of T type installation piece, and the bottom of first preforming is provided with the gleitbretter, and first preforming passes through gleitbretter swing joint smooth chamber.
Furthermore, a telescopic cylinder is installed in the inner cavity of the T-shaped installation block, the upper end of the telescopic cylinder extends out of the outer side of the T-shaped installation block, the top end of the telescopic cylinder is provided with a second pressing sheet, and the edge of the outer wall of the T-shaped installation block is provided with a height scale mark.
Furthermore, the upper end of one side of the detection platform, which is close to the thickness measurement assembly, is provided with a weighing sensor, and the model of the weighing sensor is PTS124-133G and is electrically connected with a weighing display screen.
The invention provides another technical scheme that: the detection method of the brake pad double-sided wear-resistant detection device comprises the following steps:
s1: placing a brake pad to be detected on a weighing sensor for weighing, displaying a weighing value by using a weighing display screen, recording and storing the weighing value, pressing the upper end of the brake pad by using a first pressing sheet, timely adjusting the position of a sliding sheet according to the thickness degree of the brake pad, and obtaining the thickness value of the brake pad by observing the value of a height scale mark and subtracting the height value of the weighing sensor;
s2: recording and storing the thickness value of the brake pad, then pulling apart a part of distance between the lower clamping frame and the upper clamping frame, fixing the brake pad between the lower clamping frame and the upper clamping frame, and simultaneously clamping and positioning by utilizing a clamping spring;
s3: the lifting column is lowered by a proper distance, the cylinder drives the push rod to move the convex slide block to the position right above the brake pad, meanwhile, the servo motor is started to rotate the arc-shaped grinding block by using the rotating rod, the bottom end of the arc-shaped grinding block is made to contact with the front surface of the brake pad, or the cylinder drives the push rod to do reciprocating motion after the arc-shaped grinding block is made to contact with the front surface of the brake pad, so that the wear resistance test is performed on the brake pad;
s4: after the rotating rod reaches the set rotating frequency, the servo motor is closed, the lifting column is lifted, the speed reducing motor is started to rotate the upper clamping frame to a certain angle by driving the rotating shaft, the lifting column is lowered by a proper distance, the servo motor is started to rotate the arc-shaped grinding block by using the rotating rod, and the bottom end of the arc-shaped grinding block is in contact with the back surface of the brake pad;
s5: and after the rotating rod reaches the set rotating frequency, closing the servo motor, taking out the rubbed brake pad, simultaneously placing the brake pad on a weighing sensor for weighing and thickness measurement, and then recording and carrying out abrasion calculation according to the rotating frequency of the servo motor.
Further, in step S4, the upper clamping frame is rotated by 360 degrees, and the upper surface of the rotated brake pad is maintained in a horizontal state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the double-sided wear-resistant detection device and the detection method for the brake pad, after the rotating rod reaches the set rotating frequency, the servo motor is closed, the lifting column is lifted, the speed reducing motor is started at the same time, the upper clamping frame is rotated to a certain angle by the aid of the driving rotating shaft, so that the device can conveniently rotate the driving rotating shaft by the speed reducing motor after the front side of the brake pad is worn, the back side of the brake pad faces upwards to perform a back side wear test, meanwhile, the air cylinder can be used for driving the push rod to reciprocate after the arc-shaped grinding block contacts with the front surface of the brake pad, the friction state of the brake pad under real work is simulated, the wear-resistant test is performed on the brake pad, and the double-sided wear-resistant detection is performed by the aid of the two test results.
2. According to the double-sided wear-resistant detection device and the detection method for the brake pad, a part of distance is pulled between the lower clamping frame and the upper clamping frame, the brake pad is fixed between the lower clamping frame and the upper clamping frame, and the clamping spring is used for clamping and positioning, so that the mounting position of the brake pad to be detected can be limited and fixed by the clamping spring after the brake pad is placed into the upper clamping frame and the lower clamping frame, the clamping stability is improved, and the situation that the brake pad shifts or shakes to influence the detection effect during detection is avoided.
3. The invention provides a double-sided wear-resistance detection device and a detection method of a brake pad.
4. The invention provides a double-sided wear-resistance detection device and a detection method for a brake pad, wherein the bottom end of a limiting fixed plate is movably connected with a movable groove through an articulated piece, two ends of the articulated piece are connected to the inner wall of the movable groove, two sides of a working cavity are respectively provided with a limiting groove corresponding to the limiting fixed plate, and the limiting grooves are matched with the limiting grooves, so that when the device is used for carrying out wear-resistance detection on the brake pad, the limiting fixed plate can be rotated by a certain angle through the articulated piece, the limiting fixed plate is clamped into the limiting grooves, the brake pad is further secondarily positioned, the brake pad is prevented from being shifted or shaken in the test process to influence the detection precision, and meanwhile, when face changing detection is carried out, the limiting fixed plate only needs to be rotated to be above the level of a positioning assembly through the limiting fixed plate.
Drawings
FIG. 1 is a structural diagram of a front wear-resistant detection state of a brake pad of the double-sided wear-resistant detection device and the detection method thereof of the invention;
FIG. 2 is a structural diagram of a brake pad reverse side wear-resistance detection state of the brake pad double-side wear-resistance detection device and the detection method thereof according to the present invention;
FIG. 3 is a schematic structural diagram of the brake pad double-sided wear-resistance detection device and the detection method thereof in a non-working state;
FIG. 4 is a schematic view of the mounting structure of the detecting mechanism and the friction mechanism of the double-sided wear-resistant detecting device and the detecting method thereof for the brake pad of the present invention;
FIG. 5 is a structural diagram of a positioning assembly of the double-sided wear-resistant detection device and the detection method for the brake pad of the present invention;
FIG. 6 is an enlarged structural view of the part A in FIG. 5 of the double-sided wear-resistance detection device and the detection method thereof for the brake pad of the present invention;
FIG. 7 is a structural diagram of a thickness measuring assembly of the double-sided wear-resistant detection device and the detection method of the brake pad of the present invention;
FIG. 8 is a structural diagram of a friction mechanism of the double-sided wear-resistance detection device and the detection method of the brake pad of the present invention.
In the figure: 1. a detection mechanism; 11. a detection table; 111. a weighing display screen; 112. a switch; 113. a guide rail; 114. a weighing sensor; 12. a working chamber; 121. a positioning assembly; 1211. a reduction motor; 12111. driving the rotating shaft; 1212. an upper clamping frame; 12121. a clamping spring; 12122. a movable groove; 1213. a lower clamping frame; 1214. a limiting and fixing plate; 12141. an articulation member; 122. a limiting groove; 13. a thickness measurement assembly; 131. a T-shaped mounting block; 1311. a slide chamber; 1312. a telescopic cylinder; 13121. a second tabletting; 1313. height scale lines; 132. a first tablet; 1321. sliding blades; 2. a friction mechanism; 21. i-shaped guide steel; 211. a concave chute; 22. a lifting column; 221. a slider; 222. a cylinder; 2221. a push rod; 23. a servo motor; 231. a convex slider; 232. a rotating rod; 2321. an arc-shaped grinding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a double-sided wear-resistance detection device for a brake pad comprises a detection mechanism 1 and a friction mechanism 2, wherein two sides of the detection mechanism 1 are movably connected with the friction mechanism 2, the detection mechanism 1 comprises a detection table 11, a working chamber 12 and a thickness measurement assembly 13, the front end surface of the detection table 11 is respectively provided with a weighing display screen 111 and a switch 112, the upper end surface of the detection table 11 is provided with the working chamber 12, the inner cavity of the working chamber 12 is provided with a positioning assembly 121, the outer wall of one side of the detection table 11 is in threaded connection with the thickness measurement assembly 13, two sides of the detection table 11 are respectively provided with a guide rail 113 and are movably connected with the friction mechanism 2 through the guide; the upper end of one side of the detection table 11 close to the thickness measurement component 13 is provided with a weighing sensor 114, and the model of the weighing sensor 114 is PTS124-133G and is electrically connected with the weighing display screen 111.
Referring to fig. 5-7, a double-sided wear-resistance detection device for a brake pad, a positioning assembly 121 includes a speed reduction motor 1211, an upper clamping frame 1212, a lower clamping frame 1213 and a limiting plate 1214, an output end of the speed reduction motor 1211 is connected to the upper clamping frame 1212 through a driving rotating shaft 12111, four corners of a bottom end of the upper clamping frame 1212 are connected to the lower clamping frame 1213 through clamping springs 12121, movable slots 12122 are respectively formed at edges of outer walls of two sides of the upper clamping frame 1212, a bottom end of the limiting plate 1214 is movably connected to the movable slots 12122 through a hinge 12141, two ends of the hinge 12141 are connected to inner walls of the movable slots 12122, limiting slots 122 corresponding to the limiting plate 1214 are respectively formed at two sides of a working chamber 12, and the limiting slots 122 are matched with the limiting slots 122; the thickness measuring assembly 13 comprises a T-shaped mounting block 131 and a first pressing sheet 132, a sliding cavity 1311 is formed in the surface of the T-shaped mounting block 131, a sliding sheet 1321 is arranged at the bottom end of the first pressing sheet 132, and the first pressing sheet 132 is movably connected with the sliding cavity 1311 through the sliding sheet 1321; a telescopic tube 1312 is installed in the inner cavity of the T-shaped installation block 131, the upper end of the telescopic tube 1312 extends out of the outer side of the T-shaped installation block 131, a second pressing piece 13121 is installed at the top end of the telescopic tube 1312, and a height scale mark 1313 is arranged at the edge of the outer wall of the T-shaped installation block 131.
Referring to fig. 8, in the double-sided wear-resistance detection device for the brake pad, a friction mechanism 2 includes an i-shaped guide steel 21, a lifting column 22 and a servo motor 23, the lifting column 22 is installed on the bottom surfaces of two sides of the i-shaped guide steel 21, a sliding block 221 is arranged at the bottom end of the lifting column 22, the lifting column 22 is movably connected with a guide rail 113 through the sliding block 221, and the sliding block 221 is matched with the guide rail 113; concave sliding grooves 211 are processed on two sides of the I-shaped guide steel 21, convex sliding blocks 231 corresponding to the concave sliding grooves 211 are installed on the inner side of the servo motor 23, the convex sliding blocks 231 are matched with the concave sliding grooves 211, a rotating rod 232 is arranged at the bottom end of the servo motor 23, an arc-shaped grinding block 2321 is connected to the bottom end of the rotating rod 232, an air cylinder 222 is installed on the inner wall of one side of the lifting column 22, and the output end of the air cylinder 222 is connected with the convex sliding blocks 231 through a push rod 2221.
In order to better show the detection process of the double-sided wear-resistant detection device of the brake pad, the embodiment provides a detection method of the double-sided wear-resistant detection device of the brake pad, which includes the following steps:
the method comprises the following steps: placing the brake pad to be detected on a weighing sensor 114 for weighing, displaying a weighing value by using a weighing display screen 111, recording and storing the weighing value, pressing the upper end of the brake pad by using a first pressing sheet 132, timely adjusting the position of a sliding sheet 1321 according to the thickness degree of the brake pad, and obtaining the thickness value of the brake pad by observing the value of the height scale mark 1313 and subtracting the height value of the weighing sensor 114;
step two: recording and storing the thickness value of the brake pad, then pulling apart a part of distance between the lower clamping frame 1213 and the upper clamping frame 1212, and fixing the brake pad between the lower clamping frame 1213 and the upper clamping frame 1212, and simultaneously clamping and positioning by using the clamping spring 12121;
step three: the lifting column 22 is lowered for a proper distance, the push rod 2221 is driven by the air cylinder 222 to move the convex sliding block 231 to the position right above the brake pad, meanwhile, the servo motor 23 is started to rotate the arc-shaped grinding block 2321 by using the rotating rod 232, the bottom end of the arc-shaped grinding block 2321 is made to contact with the front surface of the brake pad, or the push rod 2221 is driven by the air cylinder 222 to reciprocate after the arc-shaped grinding block 2321 is made to contact with the front surface of the brake pad, so that the abrasion resistance test of the brake pad is performed;
step four: after the rotating rod 232 reaches the set rotating times, the servo motor 23 is closed and the lifting column 22 is lifted, meanwhile, the speed reducing motor 1211 is started to rotate the upper clamping frame 1212 to a certain angle by using the driving rotating shaft 12111, then the lifting column 22 is lowered for a proper distance, the servo motor 23 is started to rotate the arc-shaped grinding block 2321 by using the rotating rod 232, and the bottom end of the arc-shaped grinding block 2321 is made to contact with the back surface of the brake pad;
step five: after the rotating rod 232 reaches the set number of rotation times, the servo motor 23 is turned off, the rubbed brake pad is taken out, meanwhile, the brake pad is placed on the weighing sensor 114 for weighing and thickness measurement, and then the abrasion calculation is carried out according to the number of rotation times of the servo motor 23.
Further, in step four, the rotation angle of the upper clamping frame 1212 is 360 degrees, and the upper surface of the rotated brake pad is maintained in a horizontal state.
The working principle is as follows: placing a brake pad to be detected on a weighing sensor 114 for weighing, displaying a weighing value by using a weighing display screen 111, recording and storing the weighing value, simultaneously pressing the upper end of the brake pad by using a first pressing sheet 132, timely adjusting the position of a sliding sheet 1321 according to the thickness of the brake pad, obtaining the thickness value of the brake pad by observing the value of a height scale mark 1313 and subtracting the height value of the weighing sensor 114, recording and storing the thickness value of the brake pad, then pulling apart a part of distance between a lower clamping frame 1213 and an upper clamping frame 1212, fixing the brake pad between the lower clamping frame 1213 and an upper clamping frame 1212, simultaneously clamping and positioning by using a clamping spring 12121, lowering a lifting column 22 by a proper distance, driving a push rod 2221 through an air cylinder 222 to move a convex sliding block 231 to be right above the brake pad, simultaneously starting a servo motor 23, rotating an arc-shaped grinding block 2321 by using a rotating rod 232, and enabling the bottom end of the arc-shaped grinding block 2321 to contact with the front surface of the brake pad, or after the arc-shaped grinding block 2321 contacts the front surface of the brake pad, the air cylinder 222 is used for driving the push rod 2221 to do reciprocating motion, so that a wear resistance test is performed on the brake pad, after the rotating rod 232 reaches a set rotating frequency, the servo motor 23 is closed, the lifting column 22 is lifted, the speed reduction motor 1211 is started, the upper clamping frame 1212 is rotated to a certain angle through the driving rotating shaft 12111, the lifting column 22 is lowered by a proper distance, the servo motor 23 is started, the rotating rod 232 is used for rotating the arc-shaped grinding block 2321, the bottom end of the arc-shaped grinding block 2321 is made to contact the back surface of the brake pad, after the rotating rod 232 reaches the set rotating frequency, the servo motor 23 is closed, the rubbed brake pad is taken out, meanwhile, the brake pad is placed on the weighing sensor 114 for weighing and thickness measurement, and then the abrasion calculation is recorded and performed according to the.
In summary, the following steps: the invention relates to a double-sided wear-resistance detection device and a detection method of a brake pad, the brake pad to be detected is placed on a weighing sensor 114 for weighing, a weighing display screen 111 is used for displaying a weighing value and recording and storing the weighing value, meanwhile, a first pressing sheet 132 is used for pressing the upper end of the brake pad, the position of a sliding sheet 1321 is timely adjusted according to the thickness degree of the brake pad, the thickness value of the brake pad is obtained by observing the value of a height scale line 1313 where the brake pad is located and subtracting the height value of the weighing sensor 114, the thickness value of the brake pad is recorded and stored, so that the weight and the thickness of the brake pad can be measured and compared by using the weighing sensor 114 and the height scale line 1313 before and after wear-resistance detection, the thickness measurement can be combined while weighing, the measurement value and the comparison detection result are more convenient, then a part of distance is pulled between a lower clamping frame 1213 and an upper, the brake block is fixed between the lower clamping frame 1213 and the upper clamping frame 1212, and the clamping spring 12121 is used for clamping and positioning, so that after the brake block to be detected is placed in the upper and lower clamping frames 1212, the mounting position of the brake block to be detected can be limited and fixed by the clamping spring 12121, the clamping stability is improved, the detection effect is prevented from being influenced by the displacement or shaking of the brake block during detection, the bottom end of the limiting fixed plate 1214 is movably connected with the movable groove 12122 through the hinge 12141, both ends of the hinge 12141 are connected to the inner wall of the movable groove 12122, the limiting grooves 122 corresponding to the limiting fixed plate 1214 are processed on both sides of the working cavity 12, the limiting grooves 122 and the limiting grooves 122 are matched with each other, so that when the device performs wear-resistant detection on the brake block, the limiting fixed plate 1214 can be rotated by a certain angle by using the hinge 12141, the limiting fixed plate 1214 is clamped into the limiting grooves 122, and the brake block is further secondarily positioned, the brake pad is prevented from shifting or shaking in the test process to affect the detection precision, and meanwhile, when the surface is changed for detection, only the limit fixing plate 1214 is rotated to the horizontal upper side of the positioning component 121 by using the limit fixing plate 1214, the lifting column 22 is lowered by a proper distance, the push rod 2221 is driven by the air cylinder 222 to move the convex slider 231 to the position right above the brake pad, meanwhile, the servo motor 23 is started to rotate the arc-shaped grinding block 2321 by using the rotating rod 232, the bottom end of the arc-shaped grinding block 2321 is made to contact with the front surface of the brake pad, or the push rod 2221 is driven by the air cylinder 222 to do reciprocating motion after the arc-shaped grinding block 2321 is made to contact with the front surface of the brake pad, so as to perform the wear resistance test on the brake pad, after the rotating rod 232 reaches the set number of rotation, the servo motor 23 is closed and the lifting column 22 is raised, and simultaneously, the speed reducing motor 1211 is started to rotate the upper clamping frame 1212 to a certain, then the rotating shaft 12111 is driven by the rotation of the speed reducing motor 1211 to facilitate the reverse side of the brake pad to face upwards for performing a reverse side abrasion test, the push rod 2221 is driven by the air cylinder 222 to reciprocate after the arc-shaped abrasion block 2321 contacts the front surface of the brake pad to simulate the friction state of the brake pad under real work, so as to perform an abrasion test on the brake pad, and the double-side abrasion test is performed by using the two test results, compared with the traditional single-side abrasion test mode of the brake pad, the detection is more comprehensive, the safety coefficient is higher after the brake pad is detected, the lifting column 22 is lowered by a proper distance, the servo motor 23 is started to rotate the arc-shaped abrasion block 2321 by using the rotating rod 232, the bottom end of the arc-shaped abrasion block 2321 is made to contact the back surface of the brake pad, after the rotating rod 232 reaches the set number of rotation, the servo motor 23 is closed and the abraded brake pad is taken out, and the brake pad, the wear calculation is then recorded and performed on the basis of the number of revolutions of the servomotor 23.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a two-sided wear-resisting detection device of brake block, includes detection mechanism (1) and friction mechanism (2), the both sides swing joint friction mechanism (2) of detection mechanism (1), its characterized in that: the detection mechanism (1) comprises a detection table (11), a working cavity (12) and a thickness measurement assembly (13), a weighing display screen (111) and a switch (112) are respectively arranged on the front end face of the detection table (11), the working cavity (12) is formed in the upper end face of the detection table (11), a positioning assembly (121) is installed in the inner cavity of the working cavity (12), the thickness measurement assembly (13) is connected to the outer wall of one side of the detection table (11) in a threaded mode, guide rails (113) are arranged on two sides of the detection table (11) respectively, and the two sides of the detection table (11) are movably connected with the friction mechanism (2) through the guide rails (;
the friction mechanism (2) comprises an I-shaped guide steel (21), lifting columns (22) and a servo motor (23), the lifting columns (22) are mounted on the bottom surfaces of the two sides of the I-shaped guide steel (21), a sliding block (221) is arranged at the bottom end of each lifting column (22), and the lifting columns (22) are movably connected with the guide rail (113) through the sliding block (221) and matched with the guide rail (113).
2. The double-sided wear detection device of the brake pad as claimed in claim 1, wherein: concave sliding grooves (211) are processed on two sides of an I-shaped guide steel (21), convex sliding blocks (231) corresponding to the concave sliding grooves (211) are installed on the inner side of a servo motor (23), the convex sliding blocks (231) are matched with the concave sliding grooves (211), a rotating rod (232) is arranged at the bottom end of the servo motor (23), an arc-shaped grinding block (2321) is connected to the bottom end of the rotating rod (232), an air cylinder (222) is installed on the inner wall of one side of a lifting column (22), and the output end of the air cylinder (222) is connected with the convex sliding blocks (231) through push rods (2221).
3. The double-sided wear detection device of the brake pad as claimed in claim 2, wherein: locating component (121) includes gear motor (1211), go up clamp frame (1212), lower clamp frame (1213) and spacing fixed plate (1214), gear motor (1211)'s output is through drive pivot (12111) connection upper clamp frame (1212), and the bottom four corners department of going up clamp frame (1212) all connects lower clamp frame (1213) through clamping spring (12121), activity groove (12122) have all been seted up to the both sides outer wall border department of going up clamp frame (1212), articulated elements (12141) swing joint activity groove (12122) are passed through to the bottom of spacing fixed plate (1214), and the both ends of articulated elements (12141) all connect on the inner wall of activity groove (12122), and the both sides of working chamber (12) all process have with spacing fixed plate (1214) corresponding spacing groove (122), spacing groove (122) and spacing groove (122) match each other.
4. The double-sided wear detection device of the brake pad as claimed in claim 1, wherein: the thickness measuring assembly (13) comprises a T-shaped mounting block (131) and a first pressing sheet (132), a sliding cavity (1311) is formed in the surface of the T-shaped mounting block (131), a sliding sheet (1321) is arranged at the bottom end of the first pressing sheet (132), and the first pressing sheet (132) is movably connected with the sliding cavity (1311) through the sliding sheet (1321).
5. The double-sided wear detection device of the brake pad as claimed in claim 4, wherein: a telescopic cylinder (1312) is installed in the inner cavity of the T-shaped installation block (131), the upper end of the telescopic cylinder (1312) extends out of the outer side of the T-shaped installation block (131), a second pressing sheet (13121) is installed at the top end of the telescopic cylinder, and height scale marks (1313) are arranged on the edge of the outer wall of the T-shaped installation block (131).
6. The double-sided wear detection device of the brake pad as claimed in claim 4, wherein: the upper end of one side, close to the thickness measuring assembly (13), of the detection table (11) is provided with a weighing sensor (114), and the model of the weighing sensor (114) is PTS124-133G and is electrically connected with a weighing display screen (111).
7. A method for detecting a double-sided wear resistance detection device of a brake pad according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1: placing a brake pad to be detected on a weighing sensor (114) for weighing, displaying a weighing value by using a weighing display screen (111), recording and storing the weighing value, pressing the upper end of the brake pad by using a first pressing sheet (132), timely adjusting the position of a sliding sheet (1321) according to the thickness of the brake pad, and obtaining the thickness value of the brake pad by observing the value of a height scale mark (1313) where the sliding sheet is located and subtracting the height value of the weighing sensor (114);
s2: recording and storing the thickness value of the brake pad, then pulling apart a part of distance between the lower clamping frame (1213) and the upper clamping frame (1212), and fixing the brake pad between the lower clamping frame (1213) and the upper clamping frame (1212) while clamping and positioning by using a clamping spring (12121);
s3: descending the lifting column (22) for a proper distance, driving the push rod (2221) through the air cylinder (222) to move the convex sliding block (231) to the position right above the brake pad, simultaneously starting the servo motor (23) to rotate the arc-shaped grinding block (2321) through the rotating rod (232), and enabling the bottom end of the arc-shaped grinding block (2321) to be in contact with the front surface of the brake pad or driving the push rod (2221) to do reciprocating motion through the air cylinder (222) after the arc-shaped grinding block (2321) is in contact with the front surface of the brake pad, so that a wear-resisting test is performed on the brake pad;
s4: after the rotating rod (232) reaches the set rotating times, the servo motor (23) is closed, the lifting column (22) is lifted, meanwhile, the speed reducing motor (1211) is started to rotate the upper clamping frame (1212) to a certain angle by using the driving rotating shaft (12111), then the lifting column (22) is lowered for a proper distance, the servo motor (23) is started to rotate the arc-shaped grinding block (2321) by using the rotating rod (232), and the bottom end of the arc-shaped grinding block (2321) is made to contact with the back surface of the brake pad;
s5: after the rotating rod (232) reaches the set rotating frequency, the servo motor (23) is closed, the rubbed brake pad is taken out, meanwhile, the brake pad is placed on the weighing sensor (114) for weighing and thickness measurement, and then the abrasion calculation is carried out according to the rotating frequency of the servo motor (23).
8. The method for detecting the double-sided wear resistance of the brake pad as claimed in claim 7, wherein in step S4, the rotation angle of the upper clamping frame (1212) is 360 degrees, and the rotated upper surface of the brake pad is maintained in a horizontal state.
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| CN202010920654.1A CN111982670A (en) | 2020-09-04 | 2020-09-04 | Double-sided wear-resistant detection device and method for brake pad |
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| CN202010920654.1A CN111982670A (en) | 2020-09-04 | 2020-09-04 | Double-sided wear-resistant detection device and method for brake pad |
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| CN111982670A true CN111982670A (en) | 2020-11-24 |
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| CN202010920654.1A Pending CN111982670A (en) | 2020-09-04 | 2020-09-04 | Double-sided wear-resistant detection device and method for brake pad |
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| CN113376046A (en) * | 2021-07-05 | 2021-09-10 | 西南交通大学 | Rotary reciprocating friction and wear test device |
| CN113670599A (en) * | 2021-10-21 | 2021-11-19 | 张家港大塚化学有限公司 | Titanate brake block friction performance check out test set |
| CN114018741A (en) * | 2021-10-29 | 2022-02-08 | 江西瑞鑫盛凯科技有限公司 | Aviation material finished product detection device and detection method thereof |
| CN115452614A (en) * | 2022-11-11 | 2022-12-09 | 山东大千制动***有限公司 | Brake block shearing equipment |
| CN116592819A (en) * | 2023-07-18 | 2023-08-15 | 山东金力新材料科技有限公司 | Thickness metering device for brake block manufacturing |
| CN116642792A (en) * | 2023-07-26 | 2023-08-25 | 保定三叶橡胶机带制造有限公司 | Belt body abrasion resistance detection device for flame-retardant rubber conveying belt |
| CN116952702A (en) * | 2023-07-24 | 2023-10-27 | 山东现大精密机械有限公司 | Intensity testing device for numerical control lathe additionally provided with hydraulic center frame |
| CN117288623A (en) * | 2023-11-24 | 2023-12-26 | 龙口市和义机械配件有限公司 | Abrasion consumption detection platform for automobile brake pad abrasion experiment |
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| CN116642792A (en) * | 2023-07-26 | 2023-08-25 | 保定三叶橡胶机带制造有限公司 | Belt body abrasion resistance detection device for flame-retardant rubber conveying belt |
| CN116642792B (en) * | 2023-07-26 | 2023-10-03 | 保定三叶橡胶机带制造有限公司 | Belt body abrasion resistance detection device for flame-retardant rubber conveying belt |
| CN117288623A (en) * | 2023-11-24 | 2023-12-26 | 龙口市和义机械配件有限公司 | Abrasion consumption detection platform for automobile brake pad abrasion experiment |
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Application publication date: 20201124 |