CN109540440B - Blade resonance fatigue life testing machine and method for wall breaking machine - Google Patents
Blade resonance fatigue life testing machine and method for wall breaking machine Download PDFInfo
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- CN109540440B CN109540440B CN201811655093.6A CN201811655093A CN109540440B CN 109540440 B CN109540440 B CN 109540440B CN 201811655093 A CN201811655093 A CN 201811655093A CN 109540440 B CN109540440 B CN 109540440B
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 14
- 238000004088 simulation Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
Abstract
A testing machine for the resonance fatigue life of blade of wall breaking machine is composed of a test bench, a fixed regulating supporter, a drive structure supporter, a height/slope regulator, a movable regulating block, a flange plate, a drive structure supporter, a resonance shift drive structure, a motor, a switch control motor, a sensor, a data receiving display screen, and a sensor. When the machine is used for testing, when the blade of the wall breaking machine cannot bear the testing period, the breaking phenomenon can occur.
Description
Technical Field
The invention relates to a testing machine, in particular to a blade resonance fatigue life testing machine and method of a wall breaking machine.
Background
The blade of the wall breaking machine is an important part of machine equipment parts, and the service life and performance of the blade directly influence the edible mouthfeel of the crushed food. The physical fatigue detection of the traditional blade adopts the detection of resonance displacement on physical machine equipment, the detection efficiency is lower, the detection is influenced by the progress of a physical machine, the physical performance and the service life of the blade after the external structure change cannot be detected rapidly, and the defects of long waiting time and the like exist.
Disclosure of Invention
The invention aims to provide a blade resonance fatigue life testing machine and method of a wall breaking machine.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a broken wall machine blade resonance fatigue life test machine, it includes the testboard, fixed regulation support and transmission structure support on the testboard, set up height/inclination adjuster on the regulation support, set up movable regulating block on the height/inclination adjuster, the ring flange is connected with movable regulating block, set up resonance offset transmission structure on the transmission structure support, be equipped with two regulating blocks on the resonance offset transmission structure, two regulating blocks are being in resonance offset transmission structure's offset top position, resonance offset transmission structure is driven by the motor, the motor is installed in the testboard, switch control motor, the switch is installed in the testboard in front, set up the inductor on the resonance offset transmission structure, the inductor is fixed on the transmission structure support, the data reception display screen is connected with the inductor electricity, the data reception display screen is installed in front at the testboard.
The height/inclination adjuster is connected with the adjusting bracket through a nut A, a nut B, a nut C and a nut D at the clamping grooves.
The movable adjusting block is connected with the flange plate in an inlaid mode.
The movable adjusting block is provided with an adjusting groove, and is connected with the height/inclination adjuster through a nut E and a nut F, wherein the nut F is positioned in the adjusting groove.
The resonance offset transmission structure consists of a belt pulley support, a belt pulley, an eccentric wheel, a connecting rod, a sliding block, a guide rail, a bolt, a pin and a transmission shaft, wherein the transmission shaft is arranged on the belt pulley support, the belt pulley and the eccentric wheel are arranged on the transmission shaft, and the connecting rod is connected with the eccentric wheel through the bolt; the guide rail is provided with a sliding block, the sliding block is connected with the connecting rod through a pin, the connecting rod is driven by the eccentric wheel, the connecting rod drives the sliding block, and the resonance offset transmission structure realizes resonance offset through the offset of the eccentric wheel.
The belt pulley is driven by a motor.
The guide rail is fixed on the transmission structure bracket.
The belt pulley support is fixed at the bottom of the test bench.
A method for testing resonance fatigue life of a blade of a wall breaking machine comprises the following steps: the cutter shaft part of the wall breaking machine blade is inserted into the flange plate, the inclination and the height of the height/inclination regulator and the angle of the movable regulating block are regulated according to the height and the forming angle of the wall breaking machine blade, the angle of the wall breaking machine blade inserted into the flange plate is regulated so as to meet the requirement that the blade part of the wall breaking machine blade is embedded into the middle of the regulating block, then the height/inclination regulator, the movable regulating block and the flange plate are locked, the cutter shaft part of the wall breaking machine blade is fixed, two regulating blocks are fixed, the blade part of the wall breaking machine blade is clamped by the two regulating blocks, the switch is turned on, the motor drives the resonance offset transmission structure to perform resonance offset, the resonance frequency of the resonance offset transmission structure is transmitted to the data receiving display screen through the inductor to display the resonance frequency of the resonance frequency, the resonance frequency of the data receiving display screen is the cycle range which the wall breaking machine blade can bear due to physical fatigue in the simulation process, and when the wall breaking machine blade cannot bear the test cycle, the break phenomenon can occur.
The blade resonance fatigue life tester of the wall breaking machine comprises a switch, a data receiving display screen, an adjusting bracket, a height/inclination adjuster, a movable adjusting block, a flange plate, an inductor, a motor and a resonance offset transmission structure, wherein the motor drives the resonance offset transmission structure to conduct offset resonance, and the inductor is used for transmitting data to the data receiving display screen for data receiving feedback in the process of offset resonance. The resonance offset transmission structure is simulated according to offset data of the physical machine and is realized through offset of the eccentric wheel. After the tester is started, the resonance deviation transmission structure performs counting test through the inductor in the resonance deviation process.
Compared with the prior art, the invention has the following positive effects:
1. the tester can perform unified and shared test on all other types of blades;
2. compared with the traditional testing method, the detection waiting time of the blade is greatly shortened, and the process waiting of a physical machine is reduced;
3. after the blade is processed, the physical property of the blade can be rapidly responded and the fatigue life of the blade can be tested;
4. because the resonance offset of the tester is simulated according to the resonance offset in the physical machine, the detection data of the tester is the same as the detection data of the physical machine; the tester has reasonable structure, rapid detection, low cost and high efficiency, and effectively improves the detection efficiency.
Drawings
Fig. 1 is a perspective view of the present tester.
Fig. 2 is a schematic diagram of a resonant offset transmission structure.
Fig. 3 is a schematic view of the structure of the adjusting bracket and the height/inclination adjuster.
In the figure: 1. the device comprises an adjusting bracket, 2, a flange plate, 3, an inductor, 4, a resonance offset transmission structure, 5, a switch, 6, a motor, 7, a data receiving display screen, 8, a test bench, 9, a transmission structure bracket, 10, a height/inclination adjuster, 11, a nut A,11-1, a nut B,11-2, a nut C,11-3, a nut D,12, an adjusting plate, 13, a wall breaking machine blade, 14, a movable adjusting block, 15, a nut E,16, a nut F,401, a belt pulley bracket, 402, a belt pulley, 403, an eccentric wheel, 404, a connecting rod, 405, a sliding block, 406, a guide rail, 407, a bolt, 408, a pin, 409 and a transmission shaft.
Detailed Description
The present invention will be described further with reference to the following examples and the accompanying drawings.
Referring to fig. 1, a blade resonance fatigue life testing machine of a wall breaking machine comprises a testing table 8, wherein an adjusting bracket 1 and a transmission structure bracket 9 are fixed on the testing table 8, a height/inclination adjuster 10 is arranged on the adjusting bracket 1, a movable adjusting block 14 is arranged on the height/inclination adjuster 10, a flange plate 2 is connected with the movable adjusting block 14, a resonance offset transmission structure 4 is arranged on the transmission structure bracket 9, two adjusting plates 12 are arranged on the resonance offset transmission structure 4, the two adjusting plates 12 are positioned at the offset top end part of the resonance offset transmission structure 4, the resonance offset transmission structure 4 is driven by a motor 6, the motor 6 is arranged in the testing table 8, a switch 5 controls the motor 6, the switch 5 is arranged in front of the testing table 8, an inductor 3 is arranged on the resonance offset transmission structure 4, the inductor 3 is fixed on the transmission structure bracket 9, a data receiving display screen 7 is electrically connected with the inductor 3, and the data receiving display screen 7 is arranged in front of the testing table 8.
Referring to fig. 1 and 3, the adjusting bracket 1 is provided with two vertical clamping grooves, the height/inclination adjuster 10 is provided with two horizontal clamping grooves, and the height/inclination adjuster 10 is connected with the adjusting bracket 1 at the clamping grooves through a nut a11, a nut B11-1, a nut C11-2 and a nut D11-3.
Referring to fig. 1 and 3, the movable adjusting block 14 and the flange 2 are connected by embedding.
Referring to fig. 1 and 3, the movable adjusting block 14 is provided with an adjusting groove, the movable adjusting block 14 is connected with the height/inclination adjuster 10 through a nut E15 and a nut F16, and the nut F16 is positioned in the adjusting groove.
Referring to fig. 1 and 2, the resonance offset transmission structure 4 is composed of a pulley bracket 401, a pulley 402, an eccentric wheel 403, a connecting rod 404, a sliding block 405, a guide rail 406, a bolt 407, a pin 408 and a transmission shaft 409, wherein the pulley bracket 401 is provided with the transmission shaft 409, the transmission shaft 409 is provided with the pulley 402 and the eccentric wheel 403, and the connecting rod 404 is connected with the eccentric wheel 403 through the bolt 407; the guide rail 406 is provided with a sliding block 405, the sliding block 405 is connected with the connecting rod 404 through a pin 408, the eccentric wheel 403 drives the connecting rod 404, the connecting rod 404 drives the sliding block 405, and the resonance offset transmission structure 4 realizes resonance offset through the offset of the eccentric wheel 403.
Referring to fig. 1 and 2, the pulley 402 is driven by the motor 6.
Referring to fig. 1 and 2, the guide 406 is fixed to the driving structure support 9.
Referring to fig. 1 and 2, the pulley support 401 is fixed to the bottom of the test stand 8.
Referring to fig. 1, a method for testing the resonance fatigue life of a blade of a wall breaking machine comprises the following steps: the cutter shaft part of the wall breaking machine blade 13 is inserted into the flange plate 2, the inclination and the height of the height/inclination adjuster 10 and the angle of the movable adjusting block 14 are adjusted according to the height and the forming angle of the wall breaking machine blade 13, the wall breaking machine blade 13 inserted into the flange plate 2 is adjusted in angle to meet the requirement that the blade part of the wall breaking machine blade 13 is embedded into the middle of the adjusting block 12, then the height/inclination adjuster 10, the movable adjusting block 14 and the flange plate 2 are locked, the cutter shaft part of the wall breaking machine blade 13 is fixed, the two adjusting blocks 12 are fixed, the two adjusting blocks 12 clamp the blade part of the wall breaking machine blade 13, the switch 5 is opened, the motor 6 drives the resonance shift transmission structure 4 to carry out resonance shift detection, the resonance frequency of the resonance shift transmission structure 4 is transmitted to the data receiving display screen 7 through the inductor 3 in an induction mode, the detection resonance frequency of the data receiving display screen 7 is the cycle range that the wall breaking machine blade 13 can bear by the physical fatigue in the simulation process, and when the wall breaking machine blade 13 bears the cycle, the fault phenomenon cannot occur in the test.
Claims (5)
1. A blade resonance fatigue life testing machine of a wall breaking machine comprises a testing table (8), wherein an adjusting bracket (1) and a transmission structure bracket (9) are fixed on the testing table (8), a height/inclination adjuster (10) is arranged on the adjusting bracket (1), a movable adjusting block (14) is arranged on the height/inclination adjuster (10), a flange plate (2) is connected with the movable adjusting block (14), a resonance offset transmission structure (4) is arranged on the transmission structure bracket (9), two adjusting blocks (12) are arranged on the resonance offset transmission structure (4), the two adjusting blocks (12) are positioned at the offset top end part of the resonance offset transmission structure (4), the resonance offset transmission structure (4) is driven by a motor (6), the motor (6) is arranged in the testing table (8), a switch (5) is arranged in front of the testing table (8), an inductor (3) is arranged on the resonance offset transmission structure (4), the inductor (3) is fixed on the transmission structure bracket (9), a data receiving display screen (7) is electrically connected with the inductor (3), and the data receiving display screen (7) is arranged in front of the testing table (8);
two vertical clamping grooves are formed in the adjusting bracket (1), two transverse clamping grooves are formed in the height/inclination adjuster (10), and the height/inclination adjuster (10) is connected with the adjusting bracket (1) at the clamping grooves through a nut A (11), a nut B (11-1), a nut C (11-2) and a nut D (11-3); the movable adjusting block (14) is connected with the flange plate (2) in an embedded mode;
the movable adjusting block (14) is provided with an adjusting groove, the movable adjusting block (14) is connected with the height/inclination adjuster (10) through a nut E (15) and a nut F (16), and the nut F (16) is positioned in the adjusting groove;
the method is characterized in that: the resonance offset transmission structure (4) is composed of a belt pulley bracket (401), a belt pulley (402), an eccentric wheel (403), a connecting rod (404), a sliding block (405), a guide rail (406), a bolt (407), a pin (408) and a transmission shaft (409), wherein the transmission shaft (409) is arranged on the belt pulley bracket (401), the belt pulley (402) and the eccentric wheel (403) are arranged on the transmission shaft (409), and the connecting rod (404) is connected with the eccentric wheel (403) through the bolt (407); a slide block (405) is arranged on a guide rail (406), the slide block (405) is connected with a connecting rod (404) through a pin (408), an eccentric wheel (403) drives the connecting rod (404), the connecting rod (404) drives the slide block (405), and a resonance offset transmission structure (4) realizes resonance offset through offset of the eccentric wheel (403).
2. The wall breaking machine blade resonance fatigue life testing machine according to claim 1, wherein the machine is characterized in that: the belt pulley (402) is driven by a motor (6).
3. The wall breaking machine blade resonance fatigue life testing machine according to claim 1, wherein the machine is characterized in that: the guide rail (406) is fixed on the transmission structure bracket (9).
4. The wall breaking machine blade resonance fatigue life testing machine according to claim 1, wherein the machine is characterized in that: the belt pulley support (401) is fixed at the bottom of the test bench (8).
5. A test method of a wall breaking machine blade resonance fatigue life tester adopting the structure of claim 1, wherein a cutter shaft part of a wall breaking machine blade (13) is inserted into a flange plate (2), the inclination and the height of a height/inclination regulator (10) and the angle of a movable regulating block (14) are regulated according to the height and the forming angle of the wall breaking machine blade (13), the wall breaking machine blade (13) inserted into the flange plate (2) is regulated to meet the requirement that the blade part of the wall breaking machine blade (13) is embedded into the middle of a regulating block (12), then the height/inclination regulator (10), the movable regulating block (14) and the flange plate (2) are locked, the cutter shaft part of the wall breaking machine blade (13) is fixed, two regulating blocks (12) clamp the blade part of the wall breaking machine blade (13), a switch (5) is opened, a motor (6) drives a resonance shift transmission structure (4) to carry out resonance shift, the two regulating blocks (12) carry out detection together with the wall breaking machine blade (13) and the shift transmission structure (4) to carry out resonance shift detection, the resonance shift sensing frequency (7) is carried out by the resonance frequency sensing display screen (7) to display resonance frequency, the detection resonance frequency displayed by the data receiving display screen (7) is the cycle range which can be born by the physical fatigue of the wall breaking machine blade (13) in the simulation process, and when the wall breaking machine blade (13) cannot bear the test cycle, the fracture phenomenon can occur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811655093.6A CN109540440B (en) | 2018-12-27 | 2018-12-27 | Blade resonance fatigue life testing machine and method for wall breaking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811655093.6A CN109540440B (en) | 2018-12-27 | 2018-12-27 | Blade resonance fatigue life testing machine and method for wall breaking machine |
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| Publication Number | Publication Date |
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| CN109540440A CN109540440A (en) | 2019-03-29 |
| CN109540440B true CN109540440B (en) | 2024-01-12 |
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| CN201811655093.6A Active CN109540440B (en) | 2018-12-27 | 2018-12-27 | Blade resonance fatigue life testing machine and method for wall breaking machine |
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| CN108647539A (en) * | 2018-04-09 | 2018-10-12 | 江苏绿能电力科技有限公司 | One kind being based on support bracket fastened bar code scan mechanism |
| CN209247300U (en) * | 2018-12-27 | 2019-08-13 | 浙江亮能机电科技有限公司 | A kind of broken wall machine knife blade resonance fatigue life testing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK177155B1 (en) * | 2009-12-23 | 2012-03-05 | Vibrationmaster Aps | Stationary junker testing machine |
| KR101482975B1 (en) * | 2013-05-16 | 2015-01-19 | 한국기계연구원 | Resonance generation apparatus for fatigue testing of a blade having decreased side load |
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2018
- 2018-12-27 CN CN201811655093.6A patent/CN109540440B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507228A (en) * | 2011-09-28 | 2012-06-20 | 南京理工大学 | Disc tool magazine reliability testing device and method |
| CN203658564U (en) * | 2013-12-11 | 2014-06-18 | 广州赛宝计量检测中心服务有限公司 | Sample adjustment frame for measurement of ferromagnetic resonance parameters |
| CN204046683U (en) * | 2014-09-17 | 2014-12-24 | 王子琪 | Facilitate handset mounting |
| CN205670103U (en) * | 2016-06-20 | 2016-11-02 | 广东新瑞洲数控技术有限公司 | A kind of testboard for detecting vibration cutter head performance |
| CN207662748U (en) * | 2017-12-20 | 2018-07-27 | 广州市世达密封实业有限公司 | A kind of adjustable fatigue tester |
| CN108647539A (en) * | 2018-04-09 | 2018-10-12 | 江苏绿能电力科技有限公司 | One kind being based on support bracket fastened bar code scan mechanism |
| CN209247300U (en) * | 2018-12-27 | 2019-08-13 | 浙江亮能机电科技有限公司 | A kind of broken wall machine knife blade resonance fatigue life testing machine |
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