CN108732088B - Dynamic loading rolling friction characteristic detector - Google Patents
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- CN108732088B CN108732088B CN201810949947.5A CN201810949947A CN108732088B CN 108732088 B CN108732088 B CN 108732088B CN 201810949947 A CN201810949947 A CN 201810949947A CN 108732088 B CN108732088 B CN 108732088B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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Abstract
The invention discloses a dynamic loading rolling friction characteristic detector which consists of a supporting component, a dynamic loading component, a pressure conversion component, a rubber roller rotating component, a rubber roller quick-changing component, a paper clamping component and a control system; the support component comprises a bottom plate and a foot margin; the dynamic loading assembly comprises a dynamic loading mechanism and a loader, wherein the dynamic loading mechanism comprises a guide rail A, the bottom end of the guide rail A is connected with the bottom plate, and the upper end of the guide rail A is connected with the sliding block A; the sliding block A is connected with a lower wedge block, a nut is arranged on the lower wedge block, and the nut is connected with a screw rod in a matching way; the screw rod is connected with the motor A through a coupling, the motor A is connected with the motor seat A, and the motor seat A is fixed with the bottom plate. The invention is suitable for detecting the rolling friction characteristics of the rubber roller in the technical field of measuring instruments, has compact structure, high integration degree and convenient operation, can realize dynamic continuous loading, and has high detection precision and comprehensive functions.
Description
Technical Field
The invention relates to the technical field of measuring instruments, in particular to a dynamic loading rolling friction characteristic detector which is mainly used for detecting the rolling friction characteristic of a rubber roller.
Background
With the advancement of society, rubber rolls are widely used in office, financial and industrial equipment such as printers, ATM machines and printers. By taking printers as an example, related enterprises in China are mostly engaged in production and assembly work, the technical content is low, researches on rubber roller formulas are not needed, and the rubber roller formulas are provided by foreign fixed factories, so that the development of independent intellectual property rights of China in the printer industry is limited to a certain extent.
In a printer, a rubber roller is a key component for realizing normal conveying and separating of paper, and is generally composed of a metal mandrel and an outer layer rubber material, and proper rubber roller friction coefficient, rubber roller rotating speed, positive pressure and rubber roller material proportion are required in the paper conveying process. Therefore, in order to improve the printing efficiency of the printer, reduce the maintenance time and the frequency of replacing the rubber roller, the rolling friction characteristics between the rubber roller and the paper must be studied in depth, which inevitably requires the development of a novel rolling friction characteristic detector.
Most of the existing friction detection equipment mainly detects sliding friction, and has the defects of single function, complex operation, low detection precision, incapability of detecting deformation body shape variables, incapability of dynamically changing positive pressure, large volume, low integration degree and the like.
Disclosure of Invention
The invention provides a dynamic loading rolling friction characteristic detector for overcoming the defects of the prior art, such as single function, complex operation, low detection precision, incapability of detecting deformation and deformation, incapability of realizing dynamic change of positive pressure, large volume, low integration degree and the like.
The invention solves the technical problems by adopting the following technical scheme: a dynamic loading rolling friction characteristic detector comprises a supporting component, a dynamic loading component, a pressure conversion component, a rubber roller rotating component, a rubber roller quick-changing component, a paper clamping component and a control system; the support assembly comprises a bottom plate and 4 feet, and the feet are uniformly distributed at four corners of the bottom plate; the dynamic loading assembly consists of a dynamic loading mechanism and a loader, the dynamic loading mechanism comprises a guide rail A, the bottom end of the guide rail A is connected with a bottom plate through a screw, the upper end of the guide rail A is connected with a sliding block A and forms a moving pair, the sliding block A is connected with a lower wedge block through a screw, a nut is arranged on the lower wedge block, and the nut is connected with a screw in a matched manner; the screw rod is connected with the motor A through a coupling, the motor A is fixed with the motor seat A through a screw, and the motor seat A is fixed with the bottom plate; the left side of the screw rod is supported by the supporting seat, and the right side of the screw rod is supported by the screw rod seat; the support seat and the screw rod seat are respectively provided with a bearing in each support hole, and the bottom ends of the support seat and the screw rod seat are fixed with the bottom plate through screws; the screw rod seat is also provided with a guide rail B, the guide rail B is connected with a sliding block B and forms a moving pair, the sliding block B is connected with an upper wedge block through a screw, a roller is arranged in the upper wedge block, the upper wedge block is connected with the roller through a roller shaft, and two ends of the roller shaft are provided with snap springs; the bottom of the roller is in line contact with the lower wedge block; the loader consists of a fixed head, a spring and a telescopic head, wherein the bottom of the telescopic head is contacted with the upper surface of the upper wedge block, the spring is arranged between the fixed head and the telescopic head, and the top end of the telescopic head is arranged inside the fixed head and forms a moving pair.
Further, the pressure conversion assembly comprises a lever, the left end of the lever is provided with a counterweight through a screw, the fixing head is also fixed on the lever through a screw, the lever is connected with the upright post through a lever shaft, two ends of the lever shaft are provided with snap springs, and the right end of the lever is provided with a pressure sensor through a screw; the bottom end of the upright post is fixed with the bottom plate, and the other side of the pressure sensor is fixed on the cross beam; a left mounting seat and a right mounting seat are respectively arranged on two sides of the cross beam; the driven roller is arranged between the left mounting seat and the right mounting seat, the displacement detection plate is arranged at the bottom end of the right mounting seat, the lower surface of the displacement detection plate is in contact with the displacement sensor, the bottom of the displacement sensor is connected with the sensor chuck, and the sensor chuck is fixed with the bottom plate.
Further, the rubber roller rotating assembly comprises a motor B, a machine body of the motor B is fixed on a motor seat B, the motor seat B is fixed on a bottom plate, a rotating shaft of the motor B is connected with a belt wheel A through a set screw, the other belt wheel B is connected with a rubber roller to be tested through a set screw, and the belt wheel A is connected with the belt wheel B through a synchronous belt; the rubber roll quick-change assembly comprises a guide rail C, wherein the guide rail C is fixed on a bottom plate, a slide block C and a slide block D are arranged on the guide rail C, and a right rubber roll seat and a left rubber roll seat are respectively arranged on the slide block C and the slide block D; bearings are arranged on the right rubber roller seat and the left rubber roller seat, and a rubber roller to be tested is arranged between the right rubber roller seat and the left rubber roller seat; the paper clamping assembly comprises an upper pressing plate, a lower pressing plate and a tension sensor, and flexible films are respectively adhered to the upper pressing plate and the lower pressing plate; the upper pressing plate is connected with the lower pressing plate through bolts, the paper to be measured is clamped between the upper pressing plate and the lower pressing plate, the lower pressing plate is connected with the tension sensor through screws, and the other end of the tension sensor is fixed with the upright post through screws; and the upright post is provided with a sensor mounting groove.
Further, the control system comprises a controller which is respectively connected with the displacement amplifier, the tension amplifier, the pressure sensor, the driver A, the driver B, the touch screen and the switching power supply through connecting wires; the switch power supply is also connected with the displacement amplifier, the tension amplifier, the driver A, the driver B and the touch screen through connecting wires respectively; the driver A is connected with the motor A through a connecting wire, the driver B is connected with the motor B through a connecting wire, the displacement amplifier is connected with the displacement sensor through a connecting wire, and the tension amplifier is connected with the tension sensor through a connecting wire; the controller, the displacement amplifier, the tension amplifier, the driver A, the driver B, the touch screen and the switching power supply are all fixed on the bottom plate through screws.
The beneficial effects of the invention are as follows: dynamic continuous loading is realized based on a wedge mechanism and a lever principle, in the test process, the lower wedge block horizontally moves and the upper wedge block vertically moves through the transmission of a motor A by virtue of a screw rod, so that a spring force is generated by compressing a spring, and the spring force is converted into positive pressure by a pressure conversion assembly and is applied to a rubber roller to be tested, so that dynamic continuous loading is realized. The motor B is used for driving by virtue of a synchronous belt, so that the rotating speed of the rubber roller to be tested is controlled, and the speed is convenient to regulate. The positive pressure applied to the rubber roller to be tested is detected by the pressure sensor, the friction force between the rubber roller to be tested and paper is detected by the tension sensor, the friction coefficient can be obtained by further processing, and the compression amount generated by the rubber roller when the positive pressure and the rotating speed of the rubber roller are changed can be detected by the displacement sensor. The rubber roller quick-changing device is convenient for the installation and the replacement of the rubber roller to be tested, and can adapt to rubber rollers with different length and sizes. Man-machine interaction is performed through the touch screen, operation is convenient, use is more visual, and real-time display and output of detection data can be achieved. The invention is suitable for the technical field of measuring instruments, can realize dynamic continuous loading, rotation speed adjustment, three-way data acquisition and man-machine interaction operation in the detection process, and has the advantages of compact structure, small volume, high integration degree, accurate detection and the like.
Drawings
Fig. 1 is a three-dimensional block diagram of the whole of the present invention.
Fig. 2 is a right side view of the present invention.
FIG. 3 is a diagram of a dynamic loading mechanism according to the present invention.
Figure 4 is a cross-sectional view of the invention at A-A.
FIG. 5 is a schematic diagram of a loader according to the present invention.
FIG. 6 is a block diagram of a paper clamping assembly according to the present invention.
Fig. 7 is a structural view of a column in the present invention.
Fig. 8 is a schematic diagram of a control system of the present invention.
In the figure: 1. a bottom plate; 2. a foot margin; 3. a belt wheel B;4. a synchronous belt; 5. a belt wheel A;6. a motor B;7. a driver A;8. a driver B;9. a touch screen; 10. a controller; 11. a support base; 12. a dynamic loading mechanism; 121. a motor A;122. a motor base A;123. an upper wedge; 124. a lower wedge; 125. a screw rod; 126. a screw rod seat; 127. a coupling; 128. a guide rail A;129. a nut; 1210. a sliding block A;1211. a roller shaft; 1212. a roller; 1213. a sliding block B;1214. a guide rail B;13. a loader; 131. a fixed head; 132. a spring; 133. a retractable head; 14. a counterweight; 15. a switching power supply; 16. a lever; 17. a lever shaft; 18. a column; 181. a mounting groove; 19. a displacement amplifier; 20. a tension amplifier; 21. a pressure sensor; 22. a displacement detection plate; 23. a displacement sensor; 24. a sensor chuck; 25. driven roller; 26. a paper clamping assembly; 261. a tension sensor; 262. a lower pressing plate; 263. an upper press plate; 27. a left mounting seat; 28. a cross beam; 29. a right mounting seat; 30. a sliding block C;31. a right rubber roller seat; 32. a guide rail C;33. a left rubber roller seat; 34. a slide block D;35. a motor base B;36. and testing the rubber roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 3, 4 and 5, the invention relates to a dynamic loading rolling friction characteristic detector, which comprises a supporting component, a dynamic loading component, a pressure conversion component, a rubber roller rotating component, a rubber roller quick-changing component, a paper clamping component and a control system; the support assembly comprises a bottom plate 1 and feet 2, wherein 4 feet 2 are arranged in total and are uniformly distributed at four corners of the bottom plate 1, so that the whole device is supported; the dynamic loading assembly consists of a dynamic loading mechanism 12 and a loader 13, wherein the dynamic loading mechanism 12 comprises a guide rail A128, the bottom end of the guide rail A128 is connected with the bottom plate 1, the upper end of the guide rail A128 is connected with a sliding block A1210 to form a moving pair, the sliding block A1210 is connected with a lower wedge block 124 through a screw, a nut 129 is arranged on the lower wedge block 124, and the nut 129 is matched and connected with the screw rod 125; the screw rod 125 is connected with the motor A121 through a coupler 127, the motor A121 is fixed with the motor seat A122 through a screw, the motor seat A122 is fixed with the bottom plate 1, the left side of the screw rod 125 is supported by the supporting seat 11, the right side of the screw rod 125 is supported by the screw rod seat 126, bearings are arranged on the supporting seat 11 and the screw rod seat 126, and the bottom ends of the supporting seat 11 and the screw rod seat 126 are fixed with the bottom plate 1 through screws; the screw rod seat 126 is also provided with a guide rail B1214, the guide rail B1214 is connected with a slide block B1213 to form a moving pair, and the slide block B1213 is connected with the upper wedge block 123 through a screw; the roller 1212 is arranged in the upper wedge block 123, the roller 1212 and the upper wedge block are connected through a roller shaft 1211, snap springs are arranged at two ends of the roller shaft 1211, the bottom of the roller 1212 is in line contact with the lower wedge block 124, and the processing requirement of the wedge block is reduced by arranging the roller 1212; the loader 13 is composed of a fixed head 131, a spring 132 and a telescopic head 133, wherein the bottom of the telescopic head 133 is contacted with the upper surface of the upper wedge-shaped block 123, the spring 132 is arranged between the fixed head 131 and the telescopic head 133, and the top end of the telescopic head 133 is arranged inside the fixed head 131 and forms a moving pair. The whole dynamic loading assembly is driven by a motor A121 and driven by a screw rod 125 to realize the horizontal movement of a lower wedge block 124 and the vertical movement of an upper wedge block 123, wherein a slide block A1210, a guide rail A128, a slide block B1213 and a guide rail B1214 play roles in guiding and reducing friction in the movement process. During the vertical movement of the upper wedge 123, the telescopic head 133 moves vertically in the fixed head 131, so that the spring 132 is compressed, thereby generating a continuous loading force in a linear increase.
Referring to fig. 1 and 2, the pressure conversion assembly includes a lever 16, a weight 14 is mounted at the left end of the lever 16 by a screw, a fixing head 131 is also fixed on the lever 16 by a screw, the lever 16 is connected with a column 18 by a lever shaft 17, clamping springs are mounted at both ends of the lever shaft 17 to limit the axial movement of the lever shaft 17, and a pressure sensor 21 is mounted at the right end of the lever 16; the bottom end of the upright post 18 is fixed with the bottom plate 1, the other side of the pressure sensor 21 is fixed on the cross beam 28, a left mounting seat 27 and a right mounting seat 29 are respectively arranged on two sides of the cross beam 28, a driven roller 25 is arranged between the left mounting seat 27 and the right mounting seat 29, a displacement detection plate 22 is arranged at the bottom end of the right mounting seat 29, the lower surface of the displacement detection plate 22 is contacted with the displacement sensor 23, the bottom of the displacement sensor 23 is connected with the sensor chuck 24, the sensor chuck 24 is fixed with the bottom plate 1, after the dynamic loading mechanism 12 forms continuous loading force, the spring force is amplified and loaded on the tested rubber roller 36 under the action of the lever 16 based on the lever principle, the loading force is detected online by the aid of the pressure sensor 21, the tested rubber roller 36 deforms under the action of positive pressure, the displacement detection plate 22 is enabled to move downwards, and the deformation of the rubber roller is measured by the displacement sensor 23.
As shown in fig. 1, 2, 6 and 7, the rubber roll rotating assembly comprises a motor B6, the motor B6 is fixed on a motor base B35, the motor base B35 is fixed on the bottom plate 1, a rotating shaft of the motor B6 is connected with a belt wheel A5 through a set screw, the other belt wheel B3 is connected with a rubber roll 36 to be tested through a set screw, the belt wheel A5 is connected with the belt wheel B3 through a synchronous belt 4, and the rubber roll 36 to be tested is driven to rotate through the synchronous belt under the driving of the motor B6; the rubber roll quick-change assembly comprises a guide rail C32, wherein the guide rail C32 is fixed on a bottom plate 1, a slide block C30 and a slide block D34 are arranged on the guide rail C32, a right rubber roll seat 31 and a left rubber roll seat 33 are respectively arranged on the slide block C30 and the slide block D34, bearings are respectively arranged on the right rubber roll seat 31 and the left rubber roll seat 33, a rubber roll 36 to be tested is arranged between the right rubber roll seat 31 and the left rubber roll seat 33, and when the rubber roll is installed or replaced, the distance between the right rubber roll seat 31 and the left rubber roll seat 33 is changed by moving the slide block C30 and the slide block D34 left and right on the guide rail C32, so that the installation or replacement of the rubber roll is realized, and the rubber roll with different length sizes can be adapted; the paper clamping assembly comprises an upper pressing plate 263, a lower pressing plate 262 and a tension sensor 261, wherein flexible films are respectively adhered to the upper pressing plate 263 and the lower pressing plate 262; the upper pressing plate 263 and the lower pressing plate 262 are connected through bolts, the paper to be tested is clamped between the upper pressing plate 263 and the lower pressing plate 262, the lower pressing plate 262 is connected with the tension sensor 261 through screws, the other end of the tension sensor 261 is fixed with the upright post 18 through screws, the upright post 18 is provided with the mounting groove 181, during testing, the paper to be tested is clamped between the upper pressing plate 263 and the lower pressing plate 262 and is tightly pressed through the bolts, when the rubber roll 36 to be tested rotates and the positive pressure F is applied, friction force F is generated between the rubber roll 36 to be tested and the paper to be tested, and the friction coefficient between the rubber roll 36 to be tested and the paper to be tested can be calculated by means of the friction coefficient formula mu=f/F.
As shown in fig. 8, the control system comprises a controller 10, wherein the controller 10 is respectively connected with a displacement amplifier 19, a tension amplifier 20, a pressure sensor 21, a driver A7, a driver B8, a touch screen 9 and a switching power supply 15 through connecting wires; the switch power supply 15 is also connected with the displacement amplifier 19, the tension amplifier 20, the driver A7, the driver B8 and the touch screen 9 through connecting wires respectively; the driver A7 is connected with the motor A121 through a connecting wire, the driver B8 is connected with the motor B6 through a connecting wire, the displacement amplifier 19 is connected with the displacement sensor 23 through a connecting wire, and the tension amplifier 20 is connected with the tension sensor 261 through a connecting wire; the controller 10, the displacement amplifier 19, the tension amplifier 20, the driver A7, the driver B8, the touch screen 9 and the switch power supply 15 are all fixed on the bottom plate 1 through screws, the rotation speed, the rotation direction and the angular displacement of the motor A121 are controlled through the controller 10, further dynamic continuous loading is achieved, the rotation speed of the motor B6 is controlled, the rotation of the tested rubber roll 36 is achieved, meanwhile, signals output by the pressure sensor 21, the displacement amplifier 19 and the tension amplifier 20 are collected and processed through the controller 10, the switch power supply 15 simultaneously provides 24V direct current for the displacement amplifier 19, the tension amplifier 20, the driver A7, the driver B8 and the touch screen 9, and also provides 5V direct current for the controller 10, and the whole control system can display collected sensor data in real time and output the collected sensor data in real time by means of instruction issuing and parameter setting of the touch screen 9.
The invention relates to a dynamic loading rolling friction characteristic detector, which comprises the following specific use method and operation steps:
before starting up, firstly, horizontal bubbles are placed on the bottom plate 1, the bottom plate 1 is adjusted to be in a horizontal state, then the counter weight 14 is adjusted so that the value of the pressure sensor 21 is displayed as 0, the lever 16 is adjusted to be horizontal by means of the horizontal bubbles, and finally, the tested rubber roller 36 and paper are mounted to a proper position by means of the rubber roller quick-changing assembly and the paper clamping assembly.
After the machine is started, firstly, the touch screen 9 is utilized to set all parameters completely, then the motor B6 is started to enable the tested rubber roller 36 to rotate according to a set rotating speed, then the motor A121 is started to dynamically load according to a given pulse number, then the motor A121 is controlled to realize dynamic continuous unloading according to the same pulse number reversal, finally, the motor B6 is closed to enable the tested rubber roller 36 to stop rotating, and the data detected by the pressure sensor 21, the displacement sensor 23 and the tension sensor 261 are displayed on the touch screen in real time and output to a text document in real time in the whole operation process; after the test is finished, the power supply is turned off, and the whole test process is convenient to operate, short in time, convenient in data recording and accurate in measurement.
The dynamic loading rolling friction characteristic detector provided by the embodiment of the invention is described in detail, but is not limited to the application listed in the specification and the implementation mode, and can be completely applied to various fields suitable for the invention, and various modifications and improvements of the technical scheme of the invention by those skilled in the art can be made without departing from the design spirit of the invention, and the modifications and improvements fall into the protection scope defined by the claims of the invention.
Claims (2)
1. A dynamic loading rolling friction characteristic detector comprises a supporting component, a dynamic loading component, a pressure conversion component, a rubber roller rotating component, a rubber roller quick-changing component, a paper clamping component and a control system; the method is characterized in that: the support assembly comprises a bottom plate (1) and feet (2), wherein 4 feet (2) are arranged in total and are uniformly distributed at four corners of the bottom plate (1); the dynamic loading assembly consists of a dynamic loading mechanism (12) and a loader (13), the dynamic loading mechanism (12) comprises a guide rail A (128), the bottom end of the guide rail A (128) is connected with a bottom plate (1) through a screw, the upper end of the guide rail A (128) is connected with a sliding block A (1210) and forms a moving pair, the sliding block A (1210) is connected with a lower wedge block (124) through a screw, a screw nut (129) is arranged on the lower wedge block (124), and the screw nut (129) is connected with a screw rod (125) in a matched manner; the screw rod (125) is connected with the motor A (121) through a coupler (127), the motor A (121) is fixed with the motor seat A (122) through a screw, and the motor seat A (122) is fixed with the bottom plate (1); the left side of the screw rod (125) is supported by the supporting seat (11), and the right side of the screw rod (125) is supported by the screw rod seat (126); the support seat (11) and the screw rod seat (126) are respectively provided with bearings in the respective support holes, and the bottom ends of the support seats and the screw rod seat are fixed with the bottom plate (1) through screws; the screw rod seat (126) is also provided with a guide rail B (1214), the guide rail B (1214) is connected with a slide block B (1213) and forms a moving pair, and the slide block B (1213) is connected with the upper wedge block (123) through a screw; the inside of the upper wedge block (123) is provided with a roller (1212), the roller and the roller are connected through a roller shaft (1211), and two ends of the roller shaft (1211) are provided with snap springs; the bottom of the roller (1212) is in line contact with the lower wedge (124); the loader (13) consists of a fixed head (131), a spring (132) and a telescopic head (133), wherein the bottom of the telescopic head (133) is contacted with the upper surface of the upper wedge block (123), the spring (132) is arranged between the fixed head (131) and the telescopic head (133), and the top end of the telescopic head (133) is arranged inside the fixed head (131) and forms a moving pair;
the pressure conversion assembly comprises a lever (16), a counterweight (14) is arranged at the left end of the lever (16) through a screw, a fixing head (131) is fixed on the lever (16) through a screw, the lever (16) is connected with an upright post (18) through a lever shaft (17), clamping springs are arranged at two ends of the lever shaft (17), and a pressure sensor (21) is arranged at the right end of the lever (16) through a screw; the bottom end of the upright post (18) is fixed with the bottom plate (1), and the other side of the pressure sensor (21) is fixed on the cross beam (28); a left mounting seat (27) and a right mounting seat (29) are respectively arranged on two sides of the cross beam (28); a driven roller (25) is arranged between the left mounting seat (27) and the right mounting seat (29), a displacement detection plate (22) is arranged at the bottom end of the right mounting seat (29), the lower surface of the displacement detection plate (22) is contacted with a displacement sensor (23), the bottom of the displacement sensor (23) is connected with a sensor chuck (24), and the sensor chuck (24) is fixed with the bottom plate (1);
the rubber roller rotating assembly comprises a motor B (6), a motor B (6) body is fixed on a motor seat B (35), the motor seat B (35) is fixed on a bottom plate (1), a rotating shaft of the motor B (6) is connected with a belt wheel A (5) through a set screw, the other belt wheel B (3) is connected with a rubber roller (36) to be tested through the set screw, and the belt wheel A (5) is connected with the belt wheel B (3) through a synchronous belt (4); the rubber roller quick-change assembly comprises a guide rail C (32), wherein the guide rail C (32) is fixed on the bottom plate (1), a slide block C (30) and a slide block D (34) are arranged on the guide rail C (32), and a right rubber roller seat (31) and a left rubber roller seat (33) are respectively arranged on the slide block C (30) and the slide block D (34); bearings are arranged on the right rubber roller seat (31) and the left rubber roller seat (33), and a rubber roller (36) to be tested is arranged between the right rubber roller seat and the left rubber roller seat; the paper clamping assembly comprises an upper pressing plate (263), a lower pressing plate (262) and a tension sensor (261), and flexible films are respectively adhered to the upper pressing plate (263) and the lower pressing plate (262); the upper pressing plate (263) and the lower pressing plate (262) are connected through bolts, the paper to be measured is clamped between the upper pressing plate and the lower pressing plate, the lower pressing plate (262) is connected with the tension sensor (261) through screws, and the other end of the tension sensor (261) is fixed with the upright post (18) through screws; the upright post (18) is provided with a sensor mounting groove (181).
2. The dynamic loading rolling friction characteristic detector according to claim 1, wherein: the control system comprises a controller (10), wherein the controller (10) is respectively connected with a displacement amplifier (19), a tension amplifier (20), a pressure sensor (21), a driver A (7), a driver B (8), a touch screen (9) and a switching power supply (15) through connecting wires; the switching power supply (15) is also connected with the displacement amplifier (19), the tension amplifier (20), the driver A (7), the driver B (8) and the touch screen (9) through connecting wires respectively; the driver A (7) is connected with the motor A (121) through a connecting wire, the driver B (8) is connected with the motor B (6) through a connecting wire, the displacement amplifier (19) is connected with the displacement sensor (23) through a connecting wire, and the tension amplifier (20) is connected with the tension sensor (261) through a connecting wire; the controller (10), the displacement amplifier (19), the tension amplifier (20), the driver A (7), the driver B (8), the touch screen (9) and the switching power supply (15) are all fixed on the bottom plate (1) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949947.5A CN108732088B (en) | 2018-08-20 | 2018-08-20 | Dynamic loading rolling friction characteristic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949947.5A CN108732088B (en) | 2018-08-20 | 2018-08-20 | Dynamic loading rolling friction characteristic detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108732088A CN108732088A (en) | 2018-11-02 |
| CN108732088B true CN108732088B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810949947.5A Active CN108732088B (en) | 2018-08-20 | 2018-08-20 | Dynamic loading rolling friction characteristic detector |
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| CN110207962B (en) * | 2019-05-27 | 2024-02-27 | 橡技工业(苏州)有限公司 | Service life evaluation tester for paper feeding rubber roller of printer or copying machine |
| CN113043719B (en) * | 2021-03-16 | 2022-10-21 | 江西万丽龙实业有限公司 | Auxiliary adjusting device for printing roller gap |
| CN113210459B (en) * | 2021-04-21 | 2022-05-20 | 大连理工大学 | Device and method for measuring friction coefficient of fillet area formed by ultralow-temperature deep drawing of metal plate |
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