CN209881730U

CN209881730U - Mechanical load testing equipment for photovoltaic module

Info

Publication number: CN209881730U
Application number: CN201822104244.0U
Authority: CN
Inventors: 王瑜; 陈文浩; 马晓龙; 李嘉亮; 王晓瓯
Original assignee: Huanghe Water Electric Light Volt Industrial Technology Co Ltd; Qinghai Huanghe Hydropower Development Co Ltd; State Power Investment Corp Ltd Huanghe Hydropower Development Co Ltd; Photovoltaic Industry Technology Branch of Qinghai Huanghe Hydropower Development Co Ltd
Current assignee: Huanghe Water Electric Light Volt Industrial Technology Co Ltd; Qinghai Huanghe Hydropower Development Co Ltd; State Power Investment Corp Ltd Huanghe Hydropower Development Co Ltd; Photovoltaic Industry Technology Branch of Qinghai Huanghe Hydropower Development Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-12-31
Anticipated expiration: 2028-12-14

Abstract

The utility model discloses a photovoltaic module's mechanical load test equipment, including at least one stand, main shaft and the supporting mechanism who is used for bearing photovoltaic module, on supporting mechanism was fixed in the main shaft, the main shaft used self axis to set up on the top of stand, main shaft and stand mutually perpendicular as rotation center rotation ground. The utility model provides a how to carry out photovoltaic module's mechanical load test at the angle of difference.

Description

Mechanical load testing equipment for photovoltaic module

Technical Field

The utility model relates to the field of photovoltaic technology, especially, relate to a photovoltaic module's mechanical load test equipment.

Background

The existing mechanical load testing machine is fixedly installed in a mode that a component is horizontally placed in a mode of being parallel to the ground, then 8 cylinders uniformly apply pressure to the component vertically right above the component, and tests of outdoor wind and snow resistance and ice-coating impact pressure are simulated. But the subassembly is installed on the fixed bolster of certain angle or flat unipolar support on the power station, and the impact of hail and wind and snow is not the perpendicular to subassembly, but has certain angle with the subassembly, and present test equipment can't simulate the ability of outdoor power station subassembly anti hail sand-wind actually.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a photovoltaic module's mechanical load test equipment, includes at least one stand, main shaft and is used for bearing photovoltaic module's supporting mechanism, supporting mechanism is fixed in on the main shaft, but the main shaft uses self axis to set up as rotation center rotation ground the top of stand, the main shaft with stand mutually perpendicular, wherein, test support still include with the horizontal pole that the main shaft is parallel, the horizontal pole with be equipped with at least one dead lever between the main shaft, the horizontal pole pass through the dead lever with main shaft fixed connection, the horizontal pole includes rather than swing joint's articulated arm, the end of articulated arm is equipped with sucking disc formula cylinder.

Preferably, the upright column comprises a bearing seat arranged at the top end of the upright column, a rolling bearing is embedded in the bearing seat, and the main shaft is inserted in an inner ring of the rolling bearing.

Preferably, the device further comprises a base, and the bottom end of the upright post is fixed on the base.

Preferably, a connecting disc is arranged at the bottom end of the upright column, the connecting disc comprises a first through hole formed towards the base, and a first screw penetrates through the first through hole and is connected to the base.

Preferably, the main shaft is sleeved with at least two limiting pieces, and the bearing seat is located between the two limiting pieces.

Preferably, the limiting part comprises a first limiting rod and a second limiting rod which are opposite to each other, second through holes are formed in two ends of the first limiting rod respectively, third through holes are formed in two ends of the second limiting rod respectively, the second through holes are opposite to the third through holes respectively, and a second screw penetrates through the second through holes and the third through holes to be matched with the nut.

Preferably, the device further comprises a driving mechanism for driving the spindle to rotate around the axis of the spindle, the driving mechanism comprises a motor, a driving arm, a connecting rod and a driven arm, one end of the driving arm is fixed to a rotating shaft of the motor, one end of the driven arm is fixed to the spindle, and two ends of the connecting rod are respectively hinged to the other ends of the driving arm and the driven arm; the driving arm pushes and pulls the driven arm in a direction perpendicular to the main shaft under the driving action of the motor.

Preferably, the main shaft is in a square column shape, the supporting mechanism comprises at least one purline, and the purline is arranged on the main shaft and is vertically crossed with the main shaft.

Preferably, the purlin includes two fourth through holes oppositely arranged along the length direction of the purlin, the main shaft is arranged between the two fourth through holes, and two tail ends of the U-shaped fixing member respectively penetrate through the fourth through holes to be matched with the fixing plate, so that the main shaft is clamped and arranged in a space surrounded by the U-shaped fixing member and the fixing plate.

Compared with the prior art, the utility model discloses a photovoltaic module's mechanical load test equipment makes photovoltaic module can develop mechanical load test at the angle of difference, can truly simulate the impact test of subassembly at the wind snow that outdoor reality bore, hail etc. aassessment subassembly anti-wind snow's impact capacity.

Drawings

Fig. 1 is the utility model provides a photovoltaic module's mechanical load test equipment's schematic structure diagram.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the same are merely exemplary and the invention is not limited to these embodiments.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1, the present embodiment provides a mechanical load testing apparatus for a photovoltaic module, which includes at least one upright 1, a main shaft 2 and a supporting mechanism 3 for carrying the photovoltaic module, and a base 5. The bottom end of the upright post 1 is fixed on the base 5, and the top end of the upright post 1 is provided with a bearing seat (not shown in the figure). The bearing seat is internally embedded with a rolling bearing 11, the spindle 2 is inserted in an inner ring of the rolling bearing 1 and performs autorotation motion by taking the axis of the spindle as a rotation center, and the spindle 2 is vertical to the upright post 1.

Wherein, the test equipment further comprises a pressure supply mechanism, and the pressure supply mechanism comprises a cross rod 4, a fixed rod 41, a joint type mechanical arm 42 and a sucker type air cylinder 43. The cross bar 4 is parallel to the main shaft 2 and is fixedly connected with the main shaft 2 through the fixing rod 41. The fixing rod 41 is perpendicular to the supporting surface of the supporting mechanism 3. One end of the joint type mechanical arm 42 is movably connected to the cross rod 4, and the other end of the joint type mechanical arm 42 is provided with the sucker type cylinder 43. The maximum working length of the joint type mechanical arm 42 is at least longer than the length of the fixing rod 41, the joint type mechanical arm 42 is controlled remotely by a computer, and the joint type mechanical arm 42 can extend to the outermost edge of the supporting mechanism 3 according to actual requirements.

In this embodiment, the included angle between the supporting mechanism 3 and the horizontal plane can be changed by the rotation of the spindle 2, so that the pressure test of the photovoltaic module can be performed in a plurality of oblique angle directions. Moreover, the cross bar 4 always faces the photovoltaic module on the support mechanism 3, and the working length of the articulated mechanical arm 42 can be extended to any area of the support mechanism 3 according to actual requirements. The sucker type cylinder 43 arranged at the other end of the joint type mechanical arm 42 is used for providing pressure in the vertical direction for the photovoltaic module to be tested, and is matched with the main shaft 2 to realize outdoor simulation test of the photovoltaic module.

As a further improvement, the bottom end of the upright post 1 may be provided with a connecting plate, the connecting plate includes a first through hole opened toward the base 5, and a first screw passes through the first through hole and is connected to the base 5. Thereby improving the stability of the test rack.

As a further improvement, as shown in fig. 1, at least two limiting members 21 are sleeved on the main shaft 2, and the bearing seat is located between the two limiting members 21. The position-limiting member 21 includes a first position-limiting rod and a second position-limiting rod (not shown in the figure) opposite to each other. The two ends of the first limiting rod are respectively provided with a second through hole (not shown in the figure), the two ends of the second limiting rod are respectively provided with a third through hole (not shown in the figure), the two second through holes are respectively opposite to the third through hole, and a second screw penetrates through the second through hole and the third through hole to be matched with a nut, so that the main shaft 2 is prevented from falling off.

In another embodiment based on the above embodiment, the testing device further comprises a driving mechanism 6 for driving the spindle 2 to rotate around the axis thereof. As shown in fig. 1, the drive mechanism 6 includes a motor 61, a driving arm 62, a connecting rod 63, and a driven arm 64. One end of the driving arm 62 is fixed to the rotating shaft of the motor 61, one end of the driven arm 64 is fixed to the spindle 2, and two ends of the connecting rod 63 are respectively hinged to the other ends of the driving arm 62 and the driven arm 64. The driving arm 62 pushes and pulls the driven arm 64 in a direction perpendicular to the spindle 2 under the driving action of the motor 61. Therefore, the included angle between the supporting mechanism 3 and the horizontal plane is changed, and the pressure test of the photovoltaic module can be carried out in a plurality of oblique angle directions.

As a further improvement, as shown in fig. 1, in order to make the support mechanism 3 more stably disposed on the main shaft 2, the main shaft 2 may be a square column. The supporting mechanism 3 is arranged on one side surface of the main shaft 2. Wherein the bracing mechanism 3 comprises at least one purlin 31. The purline 31 is arranged on the main shaft 2 and is vertically crossed with the main shaft 2. The purlin 31 includes two fourth through holes (not shown) oppositely arranged along the length direction thereof. The main shaft 2 is arranged between the four fourth through holes, and two tail ends of the U-shaped fixing piece respectively penetrate through the fourth through holes to be matched with the fixing plate, so that the main shaft 2 is clamped in a space enclosed by the U-shaped fixing piece and the fixing plate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The mechanical load testing equipment for the photovoltaic module is characterized by comprising at least one upright post (1), a main shaft (2) and a supporting mechanism (3) for bearing the photovoltaic module, wherein the supporting mechanism (3) is fixed on the main shaft (2), the main shaft (2) is arranged at the top end of the upright post (1) in a self-rotating manner by taking the axis of the main shaft as a rotating center, the main shaft (2) is perpendicular to the upright post (1), the testing equipment further comprises a pressure supply mechanism and a driving mechanism (6) for driving the main shaft (2) to rotate around the axis of the main shaft, the pressure supply mechanism comprises a cross rod (4), a fixed rod (41), a joint type mechanical arm (42) and a sucker type air cylinder (43), the cross rod (4) is parallel to the main shaft (2) and is fixedly connected with the main shaft (2) through the fixed rod (41), the fixing rod (41) is perpendicular to the supporting surface of the supporting mechanism (3), one end of the joint type mechanical arm (42) is movably connected to the cross rod (4), and the other end of the joint type mechanical arm (42) is provided with the sucker type cylinder (43); wherein the maximum working length of the articulated mechanical arm (42) is at least longer than the length of the fixing rod (41).

2. The apparatus according to claim 1, characterized in that the column (1) comprises a bearing seat arranged at its top end, in which bearing seat a rolling bearing (11) is embedded, the spindle (2) being inserted in the inner ring of the rolling bearing (11).

3. The apparatus according to claim 1, characterized in that it further comprises a base (5), the bottom end of said upright (1) being fixed to said base (5).

4. The device according to claim 3, characterized in that the bottom end of the upright (1) is provided with a connection disc comprising a first through hole opening in the direction of the base (5), through which a first screw is connected to the base (5).

5. The device according to claim 2, characterized in that the main shaft (2) is sleeved with at least two limiting members (21), and the bearing seat is located between the two limiting members (21).

6. The apparatus according to claim 5, wherein the limiting member (21) comprises a first limiting rod and a second limiting rod opposite to each other, wherein two ends of the first limiting rod are respectively provided with a second through hole, two ends of the second limiting rod are respectively provided with a third through hole, two second through holes are respectively opposite to one third through hole, and a second screw passes through the second through holes and the third through holes to be matched with the nut.

7. The apparatus according to any one of claims 1 to 6, wherein the driving mechanism (6) comprises a motor (61), a driving arm (62), a connecting rod (63) and a driven arm (64), one end of the driving arm (62) is fixed on a rotating shaft of the motor (61), one end of the driven arm (64) is fixed on the main shaft (2), and two ends of the connecting rod (63) are respectively hinged to the other ends of the driving arm (62) and the driven arm (64); wherein the driving arm (62) pushes and pulls the driven arm (64) in a direction perpendicular to the main shaft (2) under the driving action of the motor (61).

8. The apparatus according to claim 7, characterized in that said main shaft (2) has a square cylindrical shape and said bracing means (3) comprise at least one purlin (31), said purlin (31) being provided on said main shaft (2) and perpendicularly crosswise to said main shaft (2).

9. The apparatus according to claim 8, wherein the purlin (31) comprises two fourth through holes oppositely arranged along the length direction thereof, the spindle (2) is arranged between the two fourth through holes, and two tail ends of the U-shaped fixing member respectively penetrate through the fourth through holes to be matched with the fixing plate, so that the spindle (2) is clamped in a space enclosed by the U-shaped fixing member and the fixing plate.