CN109724784B - Method for testing tensile resistance of threads of photovoltaic panel mounting structure - Google Patents
Method for testing tensile resistance of threads of photovoltaic panel mounting structure Download PDFInfo
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- CN109724784B CN109724784B CN201811629292.XA CN201811629292A CN109724784B CN 109724784 B CN109724784 B CN 109724784B CN 201811629292 A CN201811629292 A CN 201811629292A CN 109724784 B CN109724784 B CN 109724784B
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- aluminum frame
- steel bar
- tensile resistance
- photovoltaic panel
- clamp
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Abstract
The invention provides a thread tensile resistance testing method of a photovoltaic panel mounting structure, which has a simple structure and low testing cost and can test the thread tensile resistance under the conditions of different screw mounting angles, and the method comprises the following steps: s1: preparing materials, S2: and (3) locking the aluminum frame segment and the steel bar together through a screw rod, and S3 taking the fixed aluminum frame segment and the steel bar out of the installation platform and placing the aluminum frame segment and the steel bar on a tension test platform for tension test.
Description
Technical Field
The invention relates to a tensile resistance testing method, in particular to a thread tensile resistance testing method of a photovoltaic panel mounting structure.
Background
Solar panel passes through self tapping screw rod fixed connection with the aluminium frame earlier before the installation, and installer when squeezing into aluminium frame and purlin with self tapping screw rod, because reasons such as operating space and operating angle, each self tapping screw rod forms different contained angles with purlin and aluminium frame, because solar panel installs outdoors, has certain standard requirement to the anti-wind ability of purlin and aluminium frame, and has the requirement to the ability of screw thread stretching resistance.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides the method for testing the thread tensile resistance of the photovoltaic panel mounting structure, which has the advantages of simple structure and low testing cost and can test the thread tensile resistance under the conditions of different screw mounting angles.
In order to realize the technical problem, the invention adopts the technical scheme that the method for testing the thread tensile resistance of the photovoltaic panel mounting structure comprises the following steps:
s1: preparing materials: cutting the aluminum frame into a plurality of aluminum frame segments, preparing a plurality of steel bars for replacing purlins to test, and simultaneously respectively arranging guide through holes with different inclination angles on each steel bar;
s2: positioning an aluminum frame segment and a steel bar through a mounting platform, wherein the mounting platform is provided with a first open groove from the left end surface to the right, inserting the aluminum frame segment into the first open groove, the mounting platform is provided with a second open groove from the left end surface to the right, the second open groove penetrates out of the upper end surface of the mounting platform, the first open groove is arranged below the second open groove and communicated with the second open groove, the steel bar is inserted into the second open groove, the mounting platform is provided with a clamping device for clamping the steel bar and the aluminum frame, and after the steel bar and the aluminum frame segment are clamped through the clamping device, the steel bar and the aluminum frame segment are locked together through a bolt from top to bottom;
s3: and taking the fixed aluminum frame segment and the steel bar out of the mounting platform, and placing the aluminum frame segment and the steel bar on a tension test platform for tension test.
The further improvement is that: the clamping device comprises a clamping block, the clamping block is arranged above the mounting frame in a lifting mode, and a pressing driving device used for driving the clamping block to move downwards is arranged on the mounting frame.
The further improvement is that: the compression driving box is provided with two screw rods, and the two screw rods are respectively arranged on two sides of the second groove.
The further improvement is that: the inclination angle range of the guide through hole is 0-30 degrees.
The further improvement is that: the tensile test platform comprises a first clamp and a second clamp, the first clamp comprises a first clamp body, the second clamp comprises a second clamp body, and clamping pieces used for clamping aluminum frame segments or steel bars are arranged on the first clamp body and the second clamp body.
The further improvement is that: the fastener includes two first fixture blocks, two second fixture blocks, the fourth slot that is used for holding aluminium frame section or billet is seted up to first anchor clamps body, two first fixture blocks fixed respectively set up in fourth grooved inner wall both sides, the second anchor clamps include the second anchor clamps body, the fifth fluting that is used for holding aluminium frame section or billet is seted up to the second anchor clamps body, two the second fixture block fixed respectively set up in fifth grooved inner wall both sides.
By adopting the technical scheme, the invention has the beneficial effects that: the tensile resistance of the self-tapping screw rod which is attacked at each angle can be accurately tested, so that the tensile resistance of the thread meets the designed tensile resistance requirement when the self-tapping screw rod is installed at different angles in reality.
Drawings
Fig. 1 is a schematic structural diagram of a mounting platform according to an embodiment of the present invention.
Fig. 2 is a view of the mounting platform of fig. 1 in the direction of direction a in accordance with an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a mounting platform according to an embodiment of the present invention.
Fig. 4 is a view of the mounting platform of fig. 3 in the direction of direction B in accordance with the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a tensile testing platform according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the tension testing platform of fig. 5 in the direction of C.
Fig. 7 is a schematic view of the structure of a steel bar according to an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the embodiment of the invention discloses a method for testing a screw thread tensile resistance of a photovoltaic panel mounting structure, which comprises the following steps:
s1: preparing materials: the purline is cut into a plurality of aluminum frame segments 1 ', 16 steel bars 2 ' are prepared to be used for replacing the purline for testing, meanwhile, guide through holes 11 ' with different inclination angles are respectively arranged on the steel bars 2 ', and the inclination angles a of the guide through holes 11 ' are respectively 0 degree, 2 degree, 4 degree, 6 degree, 8 degree, 10 degree, 12 degree, 14 degree, 16 degree, 18 degree, 20 degree, 22 degree, 26 degree, 28 degree and 30 degree;
s2: the aluminum frame segment 1 'and the steel bar 2' are locked together through a self-tapping screw 3 'and locked through a mounting platform, a first slot 11 for inserting the aluminum frame segment 1' is arranged on the mounting platform, a second slot 12 for inserting the steel bar 2 'is arranged on the mounting rack 1 from the left end surface to the right, the first slot 11 is communicated with the second slot 12, the second slot 12 is upwards arranged to penetrate out of the upper end surface of the mounting platform, a third slot (not shown in the figure) for avoiding the self-tapping screw 3' is arranged on the mounting platform 1 and positioned below the first slot 11, the aluminum frame segment 1 'is arranged on the first slot 11, the steel bar 2' is arranged above the aluminum frame segment 1 'on the second slot 12, a pressing block for pressing the aluminum frame segment 1' and the steel bar 1 is further arranged on the mounting platform, and the pressing block and the steel bar 1 are locked through a bolt 21, finally, the self-tapping screw 3 'is used for fixedly connecting the aluminum frame section 1' and the steel bar 2 'in a locking manner from the steel bar 1 through the guide through hole 11 and the aluminum frame section 1'.
S3: taking the fixed aluminum frame segment 1 'and the steel bar 2' out of the mounting platform, placing the aluminum frame segment and the steel bar on a tension testing platform for tension testing, wherein the tension testing platform comprises a first clamp 3 and a second clamp 4, the first clamp 3 and the second clamp 4 are respectively arranged on a chuck of a tension tester, the first clamp 3 comprises a first clamp 3 body, the first clamp 3 body is provided with a fourth groove 31 for accommodating the aluminum frame segment 1 'or the steel bar 2', the inner wall of the fourth groove 31 is fixedly provided with two first clamping blocks 32 for clamping with two ends of the aluminum frame segment 1 'or the steel bar 2', the second clamp 4 comprises a second clamp 4 body, the second clamp 4 body is provided with a fifth groove 41 for accommodating the aluminum frame segment 1 'or the steel bar 2', the inner wall of the fifth groove 41 is fixedly provided with two second clamping blocks 42 for clamping with two ends of the aluminum frame segment 1 'or the steel bar 2', and clamping the aluminum frame segment 1 'and the steel bar 2' clamped by the to-be-tested pieces on a tension tester through a first clamp 3 and a second clamp 4 respectively, and performing tension resistance test on each to-be-tested piece through the tension tester.
The tension tester of the invention is purchased directly in the market, is a well-known machine, is not the content to be protected by the invention, and is not described in detail herein.
Based on the foregoing scheme, in actual operation, the pressing driving device may also be an oil cylinder or an air cylinder, for convenience of operation, each steel bar is equal in length, each aluminum frame segment is equal in length, the inclination angle a of the guide through hole 11 'on the steel bar is increased by 1 ° one by one along the same direction, and the number of the steel bars 2' may also be 31 or more. The pressing driving device can also be an oil cylinder or an air cylinder, and the clamping device can be an oil cylinder or an air cylinder.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (6)
1. A method for testing the tensile resistance of threads of a photovoltaic panel mounting structure is characterized by comprising the following steps: the method comprises the following steps:
s1: preparing materials: cutting the aluminum frame into a plurality of aluminum frame segments, preparing a plurality of steel bars for replacing purlins to test, and simultaneously respectively arranging guide through holes with different inclination angles on each steel bar;
s2: positioning an aluminum frame segment and a steel bar through a mounting platform, wherein the mounting platform is provided with a first open groove from the left end surface to the right, inserting the aluminum frame segment into the first open groove, the mounting platform is provided with a second open groove from the left end surface to the right, the second open groove penetrates out of the upper end surface of the mounting platform, the first open groove is arranged below the second open groove and communicated with the second open groove, the steel bar is inserted into the second open groove, the mounting platform is provided with a clamping device for clamping the steel bar and the aluminum frame, and after the steel bar and the aluminum frame segment are clamped through the clamping device, the steel bar and the aluminum frame segment are locked together through a bolt from top to bottom;
s3: and taking the fixed aluminum frame segment and the steel bar out of the mounting platform, and placing the aluminum frame segment and the steel bar on a tension test platform for tension test.
2. The method for testing the screw thread tensile resistance of the photovoltaic panel mounting structure according to claim 1, characterized in that: the clamping device comprises a clamping block, the clamping block is arranged above the mounting frame in a lifting mode, and a pressing driving device used for driving the clamping block to move downwards is arranged on the mounting frame.
3. The method for testing the screw thread tensile resistance of the photovoltaic panel mounting structure according to claim 2, characterized in that: the pressing driving device is a screw rod, the number of the screw rods is two, and the two screw rods are respectively arranged on two sides of the second groove.
4. The method for testing the screw thread tensile resistance of the photovoltaic panel mounting structure according to claim 1, wherein: the inclination angle range of the guide through hole is 0-30 degrees.
5. The method for testing the screw thread tensile resistance of the photovoltaic panel mounting structure according to claim 1, wherein: the tensile test platform comprises a first clamp and a second clamp, the first clamp comprises a first clamp body, the second clamp comprises a second clamp body, and clamping pieces used for clamping aluminum frame segments or steel bars are arranged on the first clamp body and the second clamp body.
6. The method for testing the screw thread tensile resistance of the photovoltaic panel mounting structure according to claim 5, wherein: the fastener includes two first fixture blocks, two second fixture blocks, the fourth slot that is used for holding aluminium frame section or billet is seted up to first anchor clamps body, two first fixture blocks fixed respectively set up in fourth grooved inner wall both sides, the second anchor clamps include the second anchor clamps body, the fifth fluting that is used for holding aluminium frame section or billet is seted up to the second anchor clamps body, two the second fixture block fixed respectively set up in fifth grooved inner wall both sides.
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CN201811629292.XA CN109724784B (en) | 2018-12-28 | 2018-12-28 | Method for testing tensile resistance of threads of photovoltaic panel mounting structure |
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CN201811629292.XA CN109724784B (en) | 2018-12-28 | 2018-12-28 | Method for testing tensile resistance of threads of photovoltaic panel mounting structure |
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CN202305326U (en) * | 2011-07-02 | 2012-07-04 | 南京沪联新型建材有限公司 | Tensile tester group and test clamp thereof |
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KR101865095B1 (en) * | 2018-04-27 | 2018-07-13 | 노강수 | Tensile-Bending Repeat Tester |
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CN101476984B (en) * | 2008-11-26 | 2011-01-26 | 天津大学 | Air valve pressing mechanism capable of precisely controlling different air valve angle shift-down |
CN201713978U (en) * | 2010-07-10 | 2011-01-19 | 中铁六局集团有限公司 | Molded metal strip plate ceiling-connecting system |
CN201918400U (en) * | 2010-12-31 | 2011-08-03 | 常州天合光能有限公司 | Solar component with thin frames |
CN102262017A (en) * | 2011-04-28 | 2011-11-30 | 江苏正信新能源科技集团有限公司 | Device for pneumatically and rapidly testing compressive property of battery component |
CN104104318B (en) * | 2014-07-30 | 2017-06-30 | 杭州华鼎太阳能科技股份有限公司 | A kind of purlin fixture integral structure for connecting metal Roof and photovoltaic bracket |
CN206099893U (en) * | 2016-05-27 | 2017-04-12 | 江苏东昇光伏科技有限公司 | Photovoltaic assembly frame examines frock |
CN207543060U (en) * | 2017-06-28 | 2018-06-26 | 龚雪玲 | A kind of device radiometer or reference battery being fixed on photovoltaic module aluminium frame |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202305326U (en) * | 2011-07-02 | 2012-07-04 | 南京沪联新型建材有限公司 | Tensile tester group and test clamp thereof |
CN202712212U (en) * | 2012-07-12 | 2013-01-30 | 上海晨科太阳能科技有限公司 | Solar cell panel installing support |
CN103258882A (en) * | 2013-05-24 | 2013-08-21 | 常州天合光能有限公司 | Solar module mounting clamping device |
CN204289427U (en) * | 2014-12-31 | 2015-04-22 | 麦特汽车服务股份有限公司 | A kind of controllable silicon hold down gag |
KR101865095B1 (en) * | 2018-04-27 | 2018-07-13 | 노강수 | Tensile-Bending Repeat Tester |
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