CN204255773U - The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood - Google Patents
The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood Download PDFInfo
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- CN204255773U CN204255773U CN201420829644.7U CN201420829644U CN204255773U CN 204255773 U CN204255773 U CN 204255773U CN 201420829644 U CN201420829644 U CN 201420829644U CN 204255773 U CN204255773 U CN 204255773U
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- timber
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- wood
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Abstract
The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood, relates to log detection technical field.The utility model can only carry out single-point detection for solving kind of wood detection equipment on universal testing machine, when needs carry out multiple spot batch detection to timber or carry out multiple spot detection to same timber, very inconvenient, work efficiency is low, is not suitable for flowing water and works continuously problem.Test specimen is positioned at two timber and moves and roll on platform, wherein timber moves and rolls platform and roll platform drive motor and be connected, the upper and lower two ends of test specimen arrange pressure transducer and displacement transducer respectively, pressure transducer connects two pressure head pressure roller, two pressure head pressure roller connects ram movement cylinder, ram movement cylinder connects photoelectric sensor, and pressure transducer and displacement transducer linking number weighted-voltage D/A converter respectively, digital to analog converter connects computing machine.The utility model is easy to operate, efficiency is high, can carry out pipelining.
Description
Technical field
The utility model relates to a kind of kind of wood detection equipment, is specifically related to the pick-up unit of a kind of pair of pressure head on-line checkingi modulus of elasticity of wood, belongs to log detection technical field.
Background technology
At present, two pressure head modulus of elasticity of wood detects only carries out single-point detection on universal testing machine, when needs carry out batch detection to timber or carry out multiple spot detection to same timber, very inconvenient, work efficiency is low, be not suitable for flowing water to work continuously, therefore, urgently need to design a kind of pick-up unit of two pressure head on-line checkingi moduluss of elasticity of wood that can carry out batch detection to timber or same timber be carried out to multiple spot detection.
Summary of the invention
The utility model can only carry out single-point detection for solving existing kind of wood detection equipment on universal testing machine, when needs carry out multiple spot batch detection to timber or carry out multiple spot detection to same timber, very inconvenient, work efficiency is low, be not suitable for flowing water to work continuously problem, so provide easy to operate, efficiency high can the pick-up unit of two pressure head on-line checkingi moduluss of elasticity of wood of line production.
The utility model for solving the problems of the technologies described above taked technical scheme is:
The pick-up unit of of the present utility model pair of pressure head on-line checkingi modulus of elasticity of wood, comprise timber to move and roll platform, two pressure head pressure roller, ram movement cylinder, pressure transducer, displacement transducer, roll platform drive motor, photoelectric sensor, digital to analog converter, computing machine and test specimen, test specimen is positioned at two timber and moves and roll on platform, one of them timber moves and rolls platform and roll platform drive motor and be connected, test specimen upper and lower arranges pressure transducer and displacement transducer respectively, displacement transducer moves at two timber and rolls between platform, two pressure head pressure roller connects ram movement cylinder, pressure transducer is arranged on two pressure head pressure roller, the upper end of ram movement cylinder connects photoelectric sensor, photoelectric sensor comprises power-off end and energising end, power-off end moves at left side timber and rolls above platform, energising end moves at right side timber and rolls above platform, pressure transducer and displacement transducer linking number weighted-voltage D/A converter respectively, digital to analog converter connects computing machine.
The pick-up unit of the two pressure head on-line checkingi moduluss of elasticity of wood in such scheme, moved by two timber and roll platform and move test specimen, test specimen starts two pressure head pressure roller by the power-off end of photoelectric sensor with energising end and applies pressure to test specimen, pressure transducer and displacement transducer gather the stressed of test specimen and maximum deformation quantity respectively, by digital to analog converter, stressed deflection is converted to digital signal and flows to computer terminal, calculate modulus of elasticity of wood grade by analysis.
Design further scheme: in order to adapt to the size of general test specimen, it is 4m that two timber move the distance of rolling between platform.
Design further scheme: in order to accurately control test specimen applied pressure, the distance between two pressure rollers of two pressure head pressure roller is 1.2m.
The beneficial effects of the utility model: this pick-up unit applies pressure by two pressure head pressure roller to moving the test specimen rolling at the uniform velocity movement on platform at timber, by the cooperation of pressure transducer and displacement transducer, after the data of the maximum deformation quantity after stressed to test specimen are changed by digital to analog converter, after carrying out data processing by computing machine, draw the elastic modulus grade of test specimen, can realize detecting the multiple spot of same timber, this uses novel employing on-line continuous to detect, be applicable to pipelining, be applicable to the batch detection to modulus of elasticity of wood.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic diagram of the present utility model;
In figure, 1-timber moves and rolls platform, the two pressure head pressure roller of 2-, 3-ram movement cylinder, 4-pressure transducer, 5-displacement transducer, and 6-rolls platform drive motor, 7-photoelectric sensor, 7-1-power-off end, and 7-2-is energized end, 8-digital to analog converter, 9-computing machine, 10-test specimen.
Embodiment
Embodiment, as shown in Fig. 1 and Fig. 2, the pick-up unit of of the present utility model pair of pressure head on-line checkingi modulus of elasticity of wood, comprise timber to move and roll platform 1, two pressure head pressure roller 2, ram movement cylinder 3, pressure transducer 4, displacement transducer 5, roll platform drive motor 6, photoelectric sensor 7, digital to analog converter 8, computing machine 9 and test specimen 10, test specimen 10 is positioned at two timber and moves and roll on platform 1, one of them timber moves and rolls platform 1 and roll platform drive motor 6 and be connected, test specimen 10 upper and lower arranges pressure transducer 4 and displacement transducer 5 respectively, displacement transducer 5 moves at two timber and rolls between platform, two pressure head pressure roller 2 connects ram movement cylinder 3, pressure transducer 4 is arranged on two pressure head pressure roller 2, the upper end of ram movement cylinder 3 connects photoelectric sensor 7, photoelectric sensor 7 comprises power-off end 7-1 and energising end 7-2, power-off end 7-1 moves at left side timber and rolls above platform 1, energising end 7-2 moves at right side timber and rolls above platform 1, pressure transducer 4 and displacement transducer 5 linking number weighted-voltage D/A converter 8 respectively, digital to analog converter 8 connects computing machine 9.
Principle of work of the present utility model: test specimen 10 moves at timber and rolls platform 1 and at the uniform velocity move, when moving to the energising end 7-2 of photoelectric sensor 7, ram movement cylinder 3 works, two pressure head pressure roller 2 pairs of test specimens 10 are driven to apply pressure, pressure transducer 4 and displacement transducer 5 coordinate, the data of the maximum deformation quantity that the pressure suffered by test specimen 10 and pressurized produce are changed by digital to analog converter 8, analysis and calculation is carried out by computing machine 9, after test specimen 10 is completely by the power-off end 7-1 of photoelectric sensor 7, ram movement cylinder 3 unclamps, two pressure head pressure roller 2 leaves test specimen 10, computing machine 9 passes through the data analysis in test specimen 10 course of exerting pressure and calculating, draw the elastic modulus of test specimen 10.Multiple test specimen 10 by timber move roll platform 1 continuously photoelectric sensor 7 accept at the uniform velocity move in scope, complete the detection of the elastic modulus of multiple test specimen 10 continuously.
The exemplary illustration of present embodiment just to this patent, does not limit its protection domain, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection domain of this patent its local.
Claims (3)
1. the pick-up unit of pair pressure head on-line checkingi modulus of elasticity of wood, it is characterized in that: comprise timber and move and roll platform (1), two pressure head pressure roller (2), ram movement cylinder (3), pressure transducer (4), displacement transducer (5), roll platform drive motor (6), photoelectric sensor (7), digital to analog converter (8), computing machine (9) and test specimen (10), test specimen (10) is positioned at two timber and moves and roll on platform (1), one of them timber moves and rolls platform (1) and roll platform drive motor (6) and be connected, test specimen (10) upper and lower arranges pressure transducer (4) and displacement transducer (5) respectively, displacement transducer (5) moves at two timber and rolls between platform, two pressure head pressure roller (2) connects ram movement cylinder (3), pressure transducer (4) is arranged on two pressure head pressure roller (2), the upper end of ram movement cylinder (3) connects photoelectric sensor (7), photoelectric sensor (7) comprises power-off end (7-1) and energising end (7-2), power-off end (7-1) moves at left side timber and rolls platform (1) top, energising end (7-2) is moved at right side timber and is rolled platform (1) top, pressure transducer (4) and displacement transducer (5) linking number weighted-voltage D/A converter (8) respectively, digital to analog converter (8) connects computing machine (9).
2. the pick-up unit of according to claim 1 pair of pressure head on-line checkingi modulus of elasticity of wood, is characterized in that: it is 4m that two timber move the distance of rolling between platform (1).
3. the pick-up unit of according to claim 2 pair of pressure head on-line checkingi modulus of elasticity of wood, is characterized in that: the distance between two pressure rollers of two pressure head pressure roller (2) is 1.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829644.7U CN204255773U (en) | 2014-12-24 | 2014-12-24 | The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829644.7U CN204255773U (en) | 2014-12-24 | 2014-12-24 | The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255773U true CN204255773U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420829644.7U Expired - Fee Related CN204255773U (en) | 2014-12-24 | 2014-12-24 | The pick-up unit of two pressure head on-line checkingi modulus of elasticity of wood |
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| CN (1) | CN204255773U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990793A (en) * | 2015-07-06 | 2015-10-21 | 东南大学 | Bearing capacity assessment method for timber architecture obtained after fire disaster |
| CN108237612A (en) * | 2016-12-23 | 2018-07-03 | 辛北尔康普机器及成套设备有限责任公司 | For determining the device and method of wood fibre thermal insulation board intensity |
| CN109507035A (en) * | 2018-12-13 | 2019-03-22 | 浙江礼显试验仪器制造有限公司 | A kind of testing machine measuring object compression strength |
| CN110095351A (en) * | 2019-05-29 | 2019-08-06 | 南京林业大学 | Wood materials elasticity modulus detection device under a kind of humid tropical condition |
| CN111483025A (en) * | 2019-01-28 | 2020-08-04 | 西南林业大学 | Small precious wood bending and shaping device and process method |
| CN113310795A (en) * | 2021-04-30 | 2021-08-27 | 利辛县富亚纱网有限公司 | Gauze detection device |
-
2014
- 2014-12-24 CN CN201420829644.7U patent/CN204255773U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990793A (en) * | 2015-07-06 | 2015-10-21 | 东南大学 | Bearing capacity assessment method for timber architecture obtained after fire disaster |
| CN104990793B (en) * | 2015-07-06 | 2017-07-28 | 东南大学 | The bearing capacity evaluation method of concrete on fire timber buildings |
| CN108237612A (en) * | 2016-12-23 | 2018-07-03 | 辛北尔康普机器及成套设备有限责任公司 | For determining the device and method of wood fibre thermal insulation board intensity |
| CN109507035A (en) * | 2018-12-13 | 2019-03-22 | 浙江礼显试验仪器制造有限公司 | A kind of testing machine measuring object compression strength |
| CN109507035B (en) * | 2018-12-13 | 2021-10-15 | 浙江礼显试验仪器制造有限公司 | Testing machine for measuring compressive strength of object |
| CN111483025A (en) * | 2019-01-28 | 2020-08-04 | 西南林业大学 | Small precious wood bending and shaping device and process method |
| CN110095351A (en) * | 2019-05-29 | 2019-08-06 | 南京林业大学 | Wood materials elasticity modulus detection device under a kind of humid tropical condition |
| CN113310795A (en) * | 2021-04-30 | 2021-08-27 | 利辛县富亚纱网有限公司 | Gauze detection device |
| CN113310795B (en) * | 2021-04-30 | 2024-04-12 | 利辛县富亚纱网有限公司 | Gauze detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |