CN205647437U - Photovoltaic module tensile test frock - Google Patents

Abstract

The utility model provides a photovoltaic module tension test tool, the tension test tool includes a base, a pair of guide rails, a pair of positioning devices for fixing both sides of the photovoltaic module on the corresponding guide rails, several The connection device between the seat and the guide rail and the tension device, the positioning device is matched with the guide rail. The photovoltaic module tensile test tool can effectively simulate whether the photovoltaic module will slip along the surface direction of the photovoltaic module under the action of external force, and effectively evaluate the sliding risk during long-term outdoor use.

Description

Photovoltaic module pull test tooling

technical field

The utility model relates to a test tool, in particular to a photovoltaic component tension test tool.

Background technique

Various loads acting on photovoltaic modules include wind loads, snow loads, and structural self-weight, etc. Due to the inevitable pressure of ice and snow during long-term outdoor use, photovoltaic modules may move along their There is slippage in the surface direction, and there is currently no effective test structure to evaluate the stability of photovoltaic modules under external forces such as snow loads.

Therefore, it is necessary to provide a photovoltaic module tensile testing tool to solve the above problems.

Utility model content

The purpose of the utility model is to provide a photovoltaic module tensile test tooling which is convenient for testing.

In order to achieve the purpose of the above-mentioned utility model, the utility model provides a photovoltaic module tension test tool, which includes a base, a pair of guide rails, and a pair of guide rails for fixing both sides of the photovoltaic module on the corresponding guide rails. A positioning device, several connecting devices for connecting the base and the guide rail, and a tension device, the positioning device is mated and connected with the guide rail.

As a further improvement of the present utility model, the tension device includes a jacket installed on the edge of the photovoltaic module and a stay rope connected to the jacket, and a crossbeam for the stay rope to pass is arranged above the guide rail.

As a further improvement of the utility model, each positioning device includes a pressing block, a rubber strip located inside the pressing block to clamp the photovoltaic module, a slider located between the pressing block and the corresponding guide rail, and a The pressing block and the sliding block are fixed to bolts corresponding to the guide rail.

As a further improvement of the utility model, the pressing block has a pair of clamping parts that are arranged oppositely and form a clamping opening between them, the rubber strip is located inside the clamping part, and the rubber strip Teeth are provided on the opposing inner surfaces.

As a further improvement of the present invention, at least one outer surface of the guide rail is inwardly recessed to form a mounting groove, and the slider has a main body and a joint protruding from the main body into the guide rail mounting groove.

As a further improvement of the present utility model, the base has a pair of first bases extending longitudinally, and the pair of first bases are arranged side by side at a certain distance along the transverse direction.

As a further improvement of the present utility model, each of the first bases is provided with a storage tank with an opening facing upwards and a plurality of through holes communicating with the storage tank, and the through holes are formed by continuing downward depression from the storage tank The waist-shaped holes are arranged along the extending direction of the first base.

As a further improvement of the utility model, the connecting device includes a right-angle piece, a nut block and a bolt, the right-angle piece has a horizontal wall and a vertical wall perpendicular to each other, and the horizontal wall and the vertical wall are provided with a mounting hole respectively. The nut block includes a base body, a protruding part protruding from the base body and a positioning hole passing through the base body and the protruding part.

As a further improvement of the utility model, the horizontal wall and the vertical wall of the right-angled piece are respectively against the surface of the base and the guide rail, and the nut block of a connecting device is inserted inward from the end of one of the guide rails into its corresponding In the installation groove, the installation hole on the vertical wall is aligned with the positioning hole on the nut block, and a bolt is inserted horizontally into the installation hole provided on the vertical wall of the right-angle piece, and continues to be inserted into the positioning hole on the nut block. hole, so as to connect the connecting device with the corresponding guide rail as a whole.

As a further improvement of the present utility model, the jacket has an accommodating groove for clamping the edge of the photovoltaic module, and the outer surface of the jacket away from the accommodating groove is concavely provided with several grooves toward the accommodating groove.

The beneficial effects of the utility model are: the utility model of the photovoltaic module tension test tool can effectively simulate whether the photovoltaic module will slip along the surface direction of the photovoltaic module under the action of external force, and effectively evaluate the sliding risk during long-term outdoor use.

Description of drawings

Fig. 1 is a three-dimensional assembly diagram of the tooling for tensile testing of photovoltaic modules of the present invention.

Fig. 2 is a front view of the photovoltaic module tension test tool shown in Fig. 1 .

Fig. 3 is a top view of the photovoltaic module tension test tool shown in Fig. 1 .

Fig. 4 is a partial front view of the photovoltaic module tension test tooling of the present invention.

Fig. 5 is an enlarged view of the structure at A in Fig. 1 .

Fig. 6 is an enlarged view of the structure at B in Fig. 1 .

Fig. 7 is an enlarged view of the structure at C in Fig. 1 .

Fig. 8 is a three-dimensional exploded schematic diagram of the right-angle piece, the guide rail and the nut block in Fig. 7 .

detailed description

The utility model will be described in detail below in conjunction with various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present utility model.

Please refer to FIG. 1 to FIG. 4 , which are preferred implementation modes of the utility model photovoltaic module tension test tool 100 . The utility model photovoltaic module tension test tooling 100 includes a base 1, a pair of guide rails 2, a pair of positioning devices 3 for fixing both sides of the photovoltaic module 200 on the corresponding guide rails, and a plurality of positioning devices for connecting the base and the guide rails. The connecting device 4 and the tension device 5 of the guide rail.

In this embodiment, the pedestal 1 includes a first pedestal 11 and a second pedestal 12 arranged horizontally, wherein the first pedestal 11 and the second pedestal 12 are intersected, and the first pedestal 11 Extending in the longitudinal direction, the second base 12 extends in the transverse direction. In other embodiments, the base may only include the first base 11 or the second base 12 .

Please refer to FIG. 1 and FIG. 5 , the number of the first bases 11 is a pair, and a pair of the first bases 11 are arranged side by side at a certain distance in the lateral direction to be installed on a tensile test base 300 . Each of the first bases 11 is provided with a receiving groove 111 with an opening facing upwards and a plurality of through holes 112 communicating with the receiving groove 111. shaped holes, and the plurality of through holes 12 are arranged along the extending direction of the first base 11 . A bolt 6 is inserted into the through hole 112 of the first base 11 from top to bottom to fix the first base 11 on a tension test base 300 .

Please refer to Fig. 1 and shown in Fig. 8, described second pedestal 12 is straddled and installed on a pair of described first pedestal 11, and the shape and structure of described second pedestal 12 and guide rail 2 are identical, with the first The second base 12 is taken as an example, the cross section of the second base 12 along the vertical direction is generally square, and the four outer surfaces of the second base 12 are all recessed toward its central axis to form a mounting groove 121, also That is, the opening directions of the installation slots 121 all face away from the central axis of the second base 12 . In this embodiment, the guide rail 2 extends vertically and has a substantially square cross-section along the horizontal direction, and at least one vertical outer surface of the guide rail 2 is recessed on its central axis to form a mounting groove 21, that is, to install The opening direction of the groove 21 faces away from the central axis of the guide rail 2 .

Please refer to FIG. 1 and FIG. 6 , the pair of positioning devices 3 are cooperatingly connected with the guide rail 2 and can move along the guide rail under a certain pulling force. Located on both sides of the photovoltaic module 200 to slidably connect the two sides to the corresponding guide rails 2 . Each positioning device 3 includes a pressing block 31, a pair of rubber strips 32 located inside the pressing block 31 to clamp the photovoltaic module 200, between the pressing block 31 and the corresponding guide rail 2 and connecting the pressing block 31 and The sliding block 33 fixed by the guide rail 2 , and the bolts 34 that fix the pressing block 31 and the sliding block 33 to the corresponding guide rail 2 . The pressing block 31 has a pair of clamping parts 311 that are arranged oppositely and have a clamping opening between them. The pair of rubber strips 32 are respectively located inside the corresponding clamping parts 311. A pair of the rubber strips 32 are provided with teeth 321 on two opposite surfaces to securely clamp the photovoltaic module 200 . The slider 32 has a main body portion 321 adjacent to the pressure block 31 and a joint portion (not shown) protruding from the main body portion toward the corresponding guide rail 2 , the joint portion is installed and fitted on the guide rail 2 In the installation slot 21 of the guide rail 2 , the slider 32 is mounted on the corresponding guide rail 2 .

Please refer to Figures 1 to 4, and in conjunction with Figures 7 to 8, the connecting device 4 includes a right-angle piece 41, a nut block 42 and a bolt 43, and the right-angle piece 41 has a horizontal wall and a vertical wall perpendicular to each other , the horizontal wall and the vertical wall are respectively provided with a mounting hole 411 . The shape of the nut block 42 is substantially consistent with the cross-sectional shape of the installation groove 121 of the second base 12 , and the nut block 42 includes a base 421 , a protruding portion 422 protruding from the base 421 , and a hole penetrating the base 421 and the protruding portion 422 . positioning hole 423 .

The tension device 5 includes a jacket 51 installed on the edge of the photovoltaic module 200 to prevent the edge of the photovoltaic module from cracking and a pull rope connected to the jacket 51 . A crossbeam 52 for the pull rope to pass is arranged above the guide rail. The cross-section of the jacket 51 along the vertical direction is U-shaped, and forms an accommodating groove for clamping the edge of the photovoltaic module in the accommodating groove, and the outer surface of the jacket 51 facing away from the accommodating groove faces the accommodating groove. A number of grooves 511 are provided in the recessed groove to ensure the uniform distribution of the pulling force during the test.

Taking the connection between the second base 12 and one of the guide rails 2 as an example, a nut block 42 is inserted inwardly from the end of the guide rail 2 into the corresponding installation groove 21, and the vertical wall of the right angle piece 41 is pressed against Lean against the side surface of the guide rail 2 provided with the above-mentioned installation groove 21, the installation hole 411 on the vertical wall is aligned with the positioning hole 423 on the nut block 42, and a bolt 43 is inserted into the vertical wall of the right-angle piece 41 along the horizontal direction In the installation hole 411 provided, and continue to extend into the positioning hole 423 of the nut block 42, to connect the connecting device 4 and the guide rail 2 as a whole, and then place the guide rail 2 on the upper surface of the second base 12, so that The horizontal wall of the right-angle piece 41 is placed on the upper surface of the second base 12, and another nut block 42 is inserted into the second base 12 from the end of the second base 12 along the horizontal direction. In the installation slot of the installation slot, and a bolt 43 is used to connect the right angle piece 41 and the nut block 42 to the second base 12 . The connection manner between the first base 11 and the second base 12 is similar, and will not be repeated here.

When performing a tensile test, the tension device 5 applies a pulling force to the edge of the photovoltaic module 200, and the photovoltaic module 200 slides upward under the action of the pulling force, and relative sliding occurs between the photovoltaic module 200, the rubber strip 32 and the pressing block 31 , record the tensile force and the corresponding displacement of the photovoltaic module 200 during each test, and calculate the anti-skid ability of the photovoltaic module 200 according to the friction between the photovoltaic module 200 and the rubber strip 32 and the pressure block 31 .

The utility model photovoltaic module tension test tool 100 can effectively simulate whether the photovoltaic module will slip along the surface direction of the photovoltaic module under the action of external force, effectively evaluate the sliding risk during long-term outdoor use, and obtain the relationship between the external force and the displacement of the photovoltaic module relative relationship.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. A photovoltaic module tensile test tool, characterized in that: the tensile test tool includes a base, a pair of guide rails, a pair of positioning devices for fixing both sides of the photovoltaic module on the corresponding guide rails, several for The connecting device and the pulling device connecting the base and the guide rail, the positioning device is mated and connected with the guide rail. 2. The photovoltaic module tensile test tool according to claim 1, wherein the tensile device includes a jacket installed on the edge of the photovoltaic module and a pull rope connected to the jacket, and a pull rope is provided above the guide rail for the pull rope to pass through. over beams. 3. The photovoltaic module tension test tool according to claim 2, wherein each said positioning device comprises a pressure block, an adhesive strip located inside the pressure block to clamp the photovoltaic module, and a rubber strip between the pressure block and the photovoltaic module. Corresponding to the slide block between the guide rails and the bolts for fixing the pressure block and the slide block to the corresponding guide rails. 4. The photovoltaic module tensile test tool according to claim 3, wherein the pressure block has a pair of clamping parts that are arranged oppositely and form a clamping opening between them, and the rubber strip is located at the clamping part. The inner side of the clamping part is provided with a tooth-shaped part on the opposite inner surface of the rubber strip. 5. The photovoltaic module tension test tool according to claim 4, wherein at least one outer surface of the guide rail is recessed inwardly to form a mounting groove, and the slider has a main body and protrudes from the main body into the Joint in the mounting groove of the rail. 6. The photovoltaic module tensile test tool according to claim 5, wherein the base has a pair of first bases extending longitudinally, and the pair of first bases are arranged side by side at a certain distance along the transverse direction . 7. The photovoltaic module tension test tool according to claim 6, wherein each of the first bases is provided with a receiving tank with an upward opening and a plurality of through holes communicating with the receiving tank, the The through hole is a waist-shaped hole formed by continuing downward depression from the receiving groove, and the plurality of through holes are arranged along the extending direction of the first base. 8. The photovoltaic module tensile test tool according to any one of claims 5 to 7, wherein the connection device comprises a right-angle piece, a nut block and a bolt, and the right-angle piece has horizontal walls perpendicular to each other and The vertical wall, the horizontal wall and the vertical wall are provided with a mounting hole respectively, and the nut block includes a base body, a protruding part protruding from the base body, and a positioning hole penetrating the base body and the protruding part. 9. The photovoltaic module tension test tooling as claimed in claim 8, wherein the horizontal wall and the vertical wall of the right-angled piece respectively abut against the surface of the base and the guide rail, and the nut block of a connecting device comes out of it. The end of a guide rail is inserted inwards into its corresponding installation groove, the installation hole on the vertical wall is aligned with the positioning hole on the nut block, and a bolt is inserted horizontally into the installation hole provided on the vertical wall of the right-angle piece and continue to extend and insert into the positioning hole on the nut block to connect the connecting device with the corresponding guide rail as a whole. 10. The photovoltaic module tensile test tool according to any one of claims 2 to 7, characterized in that: the jacket has an accommodating groove for clamping the edge of the photovoltaic module, and the jacket is away from the accommodating groove. A plurality of grooves are provided on the outer surface of the placement groove towards the accommodation groove.