CN107091787B - Fatigue testing machine - Google Patents
Fatigue testing machine Download PDFInfo
- Publication number
- CN107091787B CN107091787B CN201710018251.6A CN201710018251A CN107091787B CN 107091787 B CN107091787 B CN 107091787B CN 201710018251 A CN201710018251 A CN 201710018251A CN 107091787 B CN107091787 B CN 107091787B
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- Prior art keywords
- testing machine
- fatigue testing
- machine body
- saw blade
- counter
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a fatigue testing machine, which comprises a fatigue testing machine body, wherein the other side of the fatigue testing machine body is connected with a plug through a lead, the top of the fatigue testing machine body is provided with a counter, one side of the counter is provided with a control panel, the inner walls of the two sides of the fatigue testing machine body are respectively provided with a guide rail, the guide rails are provided with a slide block, the slide block is provided with a saw blade socket, the saw blade socket is provided with a fastening screw, the inside of the slide block is provided with a servo motor and a plurality of moving wheels, the inner wall of the top of the fatigue testing machine body is provided with a hydraulic cylinder, the bottom of the hydraulic cylinder is provided with a hydraulic rod, one side of the hydraulic rod is provided with an infrared emitter, the bottom of the hydraulic rod is connected with a fixed wheel through a connecting rod, the fixed wheel is provided with a saw blade placing groove, and an infrared receiver and a plurality of pressure sensors are arranged in the saw blade placing groove.
Description
Technical Field
The invention relates to the field of band saw blade test equipment, in particular to a fatigue testing machine for a bimetal band saw blade.
Background
The bimetal band saw blade is formed by compounding a superhard high-speed steel tooth material and a high-alloy spring steel band body through electron beam welding or laser welding. The tooth part is required to have high hardness and good wear resistance and red hardness, and the belt body is required to have fatigue life equivalent to the service life of the tooth part, which is realized by using special heat treatment equipment and reasonable process parameters. However, the quality of the fatigue life is currently tested by specially-made test equipment for simulating the sawing state, the test time is shortened by methods of increasing the belt speed, increasing the tension, increasing the torsion angle and the like, and finally the fatigue life of the band saw blade is judged according to the fatigue times.
Disclosure of Invention
The present invention is directed to a fatigue testing machine to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fatigue testing machine, includes the fatigue testing machine body, the chamber door is installed to one side of fatigue testing machine body, install the observation window on the chamber door, the opposite side of fatigue testing machine body passes through wire and connector assembly, the counter is installed at the top of fatigue testing machine body, control panel is installed to one side of counter, control panel comprises display screen, control button, pilot lamp and singlechip, all install the guide rail on the both sides inner wall of fatigue testing machine body, install the slider on the guide rail, be provided with the saw blade socket on the slider, be provided with fastening screw on the saw blade socket, the internally mounted of slider has servo motor and a plurality of to remove the wheel, the pneumatic cylinder is installed to the top inner wall of fatigue testing machine body, the hydraulic stem is installed to the bottom of pneumatic cylinder, infrared emitter is installed to one side of hydraulic stem, the bottom of hydraulic stem is passed through the connecting rod and is connected with the tight pulley, be provided with the saw blade standing groove on the tight pulley, infrared receiver and a plurality of pressure sensor are installed to the saw blade standing groove, infrared emitter with infrared receiver corresponds the installation, and the cooperation is used.
Furthermore, the infrared transmitter and the infrared receiver are connected through signals.
Furthermore, the counter, the hydraulic cylinder, the servo motor, the infrared receiver and the pressure sensor are all electrically connected with the single chip microcomputer.
Furthermore, both ends of the guide rail are provided with limiters.
Furthermore, the observation window is a toughened glass material component.
Compared with the prior art, the invention has the beneficial effects that: the fatigue testing machine for the bimetal band saw blade is characterized in that a test saw blade with a certain length bypasses the lower part of a fixed wheel and is placed in a saw blade placing groove, two ends of the test saw blade are respectively inserted into two saw blade sockets and are fixed by fastening screws, a box door is closed again, a hydraulic cylinder drives a hydraulic rod to move downwards by controlling a control panel, the test saw blade is tensioned, a servo motor drives a sliding block to move back and forth on a guide rail by controlling the control panel, the sliding block on the inner wall on one side moves upwards, the sliding block on the inner wall on the other side moves downwards, so that a middle section of the test saw blade is tightly attached to the fixed wheel to perform reciprocating rotary motion until the test saw blade is subjected to fatigue fracture, the test is automatically terminated at the moment, after a signal sent by an infrared transmitter above the fixed wheel is received by an infrared receiver, a singlechip controls a counter to count, the fixed wheel rotates for a circle to be regarded as fatigue, data displayed by the counter at the termination of the test is the fatigue frequency of the sample, a pressure sensor can sense the pressure between the test saw blade and the fixed wheel, the collected signal is transmitted to the singlechip, when the pressure sensor senses that the pressure is zero, the pressure of the singlechip, the test saw blade fracture, the singlechip controls equipment to stop running, and the test saw blade, and the termination of the test saw blade.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the fatigue testing machine body according to the present invention;
FIG. 3 is a schematic view of the internal structure of the slider of the present invention;
FIG. 4 is a partial schematic view of the fixed wheel of the present invention;
FIG. 5 is a circuit diagram of an infrared counter of the present invention;
in the reference symbols: 1-fatigue testing machine body; 2-a counter; 3-an infrared emitter; 4-a hydraulic cylinder; 5-a control panel; 6-a guide rail; 7-an observation window; 8-a box door; 9-a slide block; 10-a saw blade socket; 11-a fastening screw; 12-a fixed wheel; 13-a hydraulic rod; 14-a plug; 15-a servo motor; 16-a moving wheel; 17-an infrared receiver; 18-a pressure sensor; 19-saw blade placing groove.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a fatigue testing machine, including fatigue testing machine body 1, chamber door 8 is installed to one side of fatigue testing machine body 1, install observation window 7 on the chamber door 8, the opposite side of fatigue testing machine body 1 passes through the wire and is connected with plug 14, counter 2 is installed at the top of fatigue testing machine body 1, control panel 5 is installed to one side of counter 2, control panel 5 is by the display screen, control button, pilot lamp and singlechip constitute, all install guide rail 6 on the both sides inner wall of fatigue testing machine body 1, install slider 9 on the guide rail 6, be provided with saw blade socket 10 on the slider 9, be provided with fastening screw 11 on the saw blade socket 10, the internally mounted of slider 9 has servo motor 15 and a plurality of to remove wheel 16, pneumatic cylinder 4 is installed to the top inner wall of fatigue testing machine body 1, hydraulic stem 13 is installed to the bottom of pneumatic cylinder 4, infrared emitter 3 is installed to one side of hydraulic stem 13, the bottom of hydraulic stem 13 is passed through the connecting rod and is connected with fixed wheel 12, be provided with saw blade standing groove 19 on the fixed wheel 12, infrared receiver 17 is installed to the saw blade standing groove 19, infrared receiver 17 correspond the installation, the infrared emitter 3 and infrared receiver 17, the cooperation is used.
Furthermore, the infrared emitter 3 is connected with the infrared receiver 17 through signals, so that the signals can be transmitted conveniently.
Furthermore, the counter 2, the hydraulic cylinder 4, the servo motor 15, the infrared receiver 17 and the pressure sensor 18 are all electrically connected with the single chip microcomputer, so that normal operation of the control equipment is facilitated, and normal operation of the equipment is guaranteed.
Furthermore, the limiters are installed at the two ends of the guide rail 6, so that the sliding block 9 is prevented from moving and falling off, and the operation safety of the equipment is ensured.
Furthermore, the observation window 7 is a toughened glass material member, and the toughened glass material has good and firm characteristics of transparency, and the user of being convenient for looks over the equipment behavior at any time, guarantees user's safety simultaneously.
The working principle is as follows: when the test device works, a test saw blade with a certain length bypasses the lower part of the fixed wheel 12 and is placed in the saw blade placing groove 19, two ends of the test saw blade are respectively inserted into two saw blade sockets 10, the test saw blade is fixed by using the fastening screws 11, then the box door 8 is closed, the hydraulic cylinder 4 drives the hydraulic rod 13 to move downwards by controlling the control panel 5, the test saw blade is tensioned, the servo motor 15 drives the slider 9 to move back and forth on the guide rail 6 by controlling the control panel 5, the slider 9 on one inner wall moves upwards, the slider 9 on the other inner wall moves downwards, so that the middle section of the test saw blade is tightly attached to the fixed wheel 12 to perform reciprocating rotary motion until the test saw blade is subjected to fatigue fracture, the test is automatically terminated, after signals sent by the infrared transmitter 3 above the fixed wheel 12 are received by the infrared receiver 17, the singlechip controls the counter 2 to count, the fixed wheel 12 rotates for one circle to be regarded as fatigue, the data displayed by the counter 2 at the termination of the test is the fatigue frequency of the sample, the pressure sensor 18 can sense the pressure between the test and the saw blade fixed wheel 12, and transmit the collected signals to the singlechip, when the pressure sensor 18 senses the pressure to be zero, the test device, the test operation, the test device stops, and the test device controls the test device to stop the test device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fatigue testing machine, includes fatigue testing machine body (1), its characterized in that: the utility model discloses a fatigue testing machine, including fatigue testing machine body (1), chamber door (8) are installed to one side of fatigue testing machine body (1), install observation window (7) on chamber door (8), the opposite side of fatigue testing machine body (1) passes through the wire and is connected with plug (14), counter (2) are installed at the top of fatigue testing machine body (1), control panel (5) are installed to one side of counter (2), control panel (5) are become by display screen, control button, pilot lamp and monolithic mechanism, all install guide rail (6) on the both sides inner wall of fatigue testing machine body (1), install slider (9) on guide rail (6), be provided with saw blade socket (10) on slider (9), be provided with fastening screw (11) on saw blade socket (10), the internally mounted of slider (9) has servo motor (15) and a plurality of to remove wheel (16), pneumatic cylinder (4) is installed to the top inner wall of fatigue testing machine body (1), hydraulic stem (13) is installed to the bottom of pneumatic cylinder (4), infrared emitter (3) are installed to one side of hydraulic stem (13), the bottom of hydraulic stem (13) is passed through connecting rod and fixed wheel (12) is provided with the standing groove (12), an infrared receiver (17) and a plurality of pressure sensors (18) are arranged in the saw blade placing groove (19), and the infrared emitter (3) and the infrared receiver (17) are correspondingly arranged and matched for use; the infrared emitter (3) is connected with the infrared receiver (17) through signals; the counter (2), the hydraulic cylinder (4), the servo motor (15), the infrared receiver (17) and the pressure sensor (18) are all electrically connected with the single chip microcomputer.
2. A fatigue testing machine according to claim 1, characterized in that: and the two ends of the guide rail (6) are provided with limiters.
3. A fatigue testing machine according to claim 1, characterized in that: the observation window (7) is a toughened glass material component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710018251.6A CN107091787B (en) | 2017-01-10 | 2017-01-10 | Fatigue testing machine |
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CN201710018251.6A CN107091787B (en) | 2017-01-10 | 2017-01-10 | Fatigue testing machine |
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CN107091787A CN107091787A (en) | 2017-08-25 |
CN107091787B true CN107091787B (en) | 2023-02-24 |
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CN201710018251.6A Active CN107091787B (en) | 2017-01-10 | 2017-01-10 | Fatigue testing machine |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011220835A (en) * | 2010-04-09 | 2011-11-04 | Jfe Steel Corp | Fatigue testing device |
CN203465166U (en) * | 2013-08-19 | 2014-03-05 | 巨力索具股份有限公司 | Steel wire rope bending fatigue tester |
WO2015135329A1 (en) * | 2014-03-14 | 2015-09-17 | 唐山轨道客车有限责任公司 | Fatigue testing device for pulsation fatigue testing machine and pulsation fatigue testing machine |
CN106053053A (en) * | 2016-08-10 | 2016-10-26 | 三峡大学 | Piston ring fatigue testing machine and fatigue testing method |
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2017
- 2017-01-10 CN CN201710018251.6A patent/CN107091787B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011220835A (en) * | 2010-04-09 | 2011-11-04 | Jfe Steel Corp | Fatigue testing device |
CN203465166U (en) * | 2013-08-19 | 2014-03-05 | 巨力索具股份有限公司 | Steel wire rope bending fatigue tester |
WO2015135329A1 (en) * | 2014-03-14 | 2015-09-17 | 唐山轨道客车有限责任公司 | Fatigue testing device for pulsation fatigue testing machine and pulsation fatigue testing machine |
CN106053053A (en) * | 2016-08-10 | 2016-10-26 | 三峡大学 | Piston ring fatigue testing machine and fatigue testing method |
Non-Patent Citations (1)
Title |
---|
气缸加载的弹簧疲劳试验机;高会良;《叉车技术》;20080915(第03期);1-3 * |
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CN107091787A (en) | 2017-08-25 |
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