Fixing equipment for photovoltaic support test

Abstract

The utility model relates to the field of photovoltaic technology, in particular to a fixing device for a photovoltaic support test, which comprises a base and a balancing weight, the lower surface of the base is fixedly connected with a support frame, the upper surface of the base is fixedly connected with a placing frame, the upper surface of the base is slidably connected with a vertical clamping plate and a transverse clamping plate, and the vertical clamping plate and the transverse clamping plate are fixedly connected with the balancing weight. A guide groove is formed in the surface of the base in a penetrating mode, and connecting holes are formed in the surfaces of the vertical clamping plate and the transverse clamping plate in a penetrating mode. The whole center of the structure is low, the area of the base is large, the structure has good stability only depending on the self weight, it is guaranteed that the support stand columns do not shake after being fixed, the matched support stand columns are various in type, the matched size range is large, the structure is stable, the lower portion is suspended, and hoisting and forklift operation are convenient; a concrete balancing weight loading mode is adopted, repeated loading can be carried out when equipment needs to be weighted, transportation and installation are convenient, and the dead weight of the equipment can be flexibly adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a fixing device for photovoltaic bracket testing. Background Art

[0002] According to industry demand, before large-scale production of photovoltaic brackets, one or more photovoltaic bracket prototypes need to be installed and built to verify the feasibility and safety of the product. During the prototype test, a load will be applied to the prototype to verify the mechanical properties of the bracket. The test load is basically consistent with the theoretical load during design, and has the characteristics of huge values, diverse directions, and complex forms.

[0003] At present, the installation of photovoltaic bracket prototypes is usually carried out near the factory of the bracket manufacturer. This behavior has a strong uncertainty: when the prototype is installed, due to limitations in site, equipment and other reasons, the entire photovoltaic bracket prototype is often simply built on the ground without a fixed connection to the ground, causing the entire bracket to move as a whole when subjected to large wind pressure or wind suction load simulation. It is impossible to conduct scientific and accurate stability and safety tests on the bracket as a whole, and it is impossible to conduct detailed and targeted observations and evaluations on key components and key nodes of the bracket, such as the bottom of the column and other areas. Utility Model Content

[0004] The purpose of the utility model is to provide a fixing device for testing a photovoltaic bracket, so as to solve the problem proposed in the above-mentioned background technology that the entire photovoltaic bracket prototype is often simply built on the ground without being fixedly connected to the ground, resulting in the entire bracket moving as a whole when subjected to a large wind pressure or wind suction load simulation, and the bracket as a whole cannot be scientifically and accurately tested for stability and safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions, a fixing device for testing a photovoltaic bracket, comprising a base and a counterweight block, the lower surface of the base is fixedly connected to a support frame, the upper surface of the base is fixedly connected to a placement frame, the upper surface of the base is slidably connected to a vertical clamping plate and a horizontal clamping plate, the surface of the base is penetrated by a guide groove, the surfaces of the vertical clamping plate and the horizontal clamping plate are penetrated by connecting holes, the surfaces of the vertical clamping plate and the horizontal clamping plate are penetrated by fixing screws, the inner side of the connecting hole is penetrated by a support rod, the surface of the support rod is fixedly connected to a stop block, the outer surface of the support rod is threadedly sleeved with a nut, the outer surface of the support rod is fixedly connected to a positioning block, and the outer surface of the fixing screw is sleeved with a threaded sleeve, a first clamping block and a second clamping block.

[0006] Preferably, the placement frame is in the shape of a frame, and the placement frame is distributed in four groups around the base. Two groups of shelf plates are fixedly connected to the surface of the base, and the two groups of shelf plates are distributed in a "cross" shape.

[0007] Preferably, the guide groove is in the shape of a long groove, the transverse splint is slidably connected to the base through the guide groove, the vertical splint is slidably connected to the base through the guide groove, the transverse splint is distributed in two opposite groups, and the vertical splint is distributed in two opposite groups.

[0008] Preferably, the connection holes are evenly arranged on the surfaces of the vertical clamping plate and the transverse clamping plate, and the stop blocks act on the outer sides of the vertical clamping plate and the transverse clamping plate through the support rods and the connection holes.

[0009] Preferably, the support rods are in two groups acting on the surface of the stop block, the nuts and support rods are correspondingly connected, and the positioning block is in a circular ring shape.

[0010] Preferably, the fixing screw and the threaded sleeve are threadedly connected, the fixing screw penetrates the surface of the vertical clamping plate, and the first clamping block and the second clamping block are both plate-shaped.

[0011] Preferably, the first clamping block acts on the surface of the vertical clamping plate and the horizontal clamping plate through a fixing screw and a screw sleeve, and the second clamping block acts on the lower surface of the base through a fixing screw and a screw sleeve, and the fixing screw passes through the surface of the base through a guide groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Good stability: The overall center of the structure is low and the base area is large. The structure has good stability relying only on its own weight, ensuring that there is no shaking after the bracket column is fixed. If necessary, the support frame can also be connected to the ground concrete or other substrates through expansion bolts.

[0014] 2. The bracket supports various types of columns and a wide range of sizes: two sets of clamps are used to clamp and fix the columns from four directions. It can adapt to various forms of columns such as round tube columns, rectangular section columns, I-beam section columns, etc., and the clamp has a large telescopic stroke adjustment range and is suitable for columns of various sizes;

[0015] 3. Convenient transportation and installation: The structure is stable and the lower part is suspended, which is convenient for hoisting and forklift operation. It adopts the form of concrete counterweight loading. When the equipment needs to be weighted, it can be loaded multiple times, which is convenient for transportation and installation, and the weight of the equipment can be flexibly adjusted;

[0016] 4. Simple structure: There is no complicated mechanical transmission facility inside, which makes it easy to manufacture and has low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the structure of the base of the utility model;

[0019] Figure 3 It is a structural three-dimensional schematic diagram of the transverse splint of the utility model;

[0020] Figure 4 It is a structural stereoscopic schematic diagram of the vertical splint of the utility model;

[0021] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0022] In the figure: 1. base; 2. support frame; 3. placement frame; 4. vertical clamping plate; 5. horizontal clamping plate; 6. counterweight block; 7. guide groove; 8. connecting hole; 9. fixing screw; 91. screw sleeve; 92. first clamping block; 93. second clamping block; 10. support rod; 11. stop block; 12. nut; 13. positioning block. DETAILED DESCRIPTION

[0023] See also Figure 1-5 , an embodiment provided by the utility model:

[0024] A fixing device for photovoltaic bracket test, including a base 1 and a counterweight 6, the lower surface of the base 1 is fixedly connected with a support frame 2, the upper surface of the base 1 is fixedly connected with a placement frame 3, the upper surface of the base 1 is slidably connected with a vertical clamping plate 4 and a horizontal clamping plate 5, the surface of the base 1 is penetrated with a guide groove 7, the surface of the vertical clamping plate 4 and the horizontal clamping plate 5 is penetrated with a connecting hole 8, the surface of the vertical clamping plate 4 and the horizontal clamping plate 5 is penetrated with a fixing screw 9, the inner side of the connecting hole 8 is penetrated with a support rod 10, and the surface of the support rod 10 is fixed A stop block 11 is fixedly connected, a nut 12 is threadedly sleeved on the outer surface of the support rod 10, a positioning block 13 is fixedly connected to the outer surface of the support rod 10, a screw sleeve 91, a first clamping block 92 and a second clamping block 93 are sleeved on the outer surface of the fixed screw 9, and through the connection between the base 1 and the placement frame 3, under the action of the placement frame 3, the placement of the counterweight 6 on the base 1 is facilitated, the use weight of the base 1 is changed, and the stability of the base 1 is improved. Under the action of the horizontal clamping plate 5 and the vertical clamping plate 4, the clamping and supporting effect of the bracket column is achieved.

[0025] Furthermore, the placement frame 3 is in the shape of a frame, and the placement frame 3 is distributed in four groups around the base 1. Two groups of frame plates are fixedly connected to the surface of the base 1, and the two groups of frame plates are distributed in a "cross" shape. Through the connection between the placement frame 3 and the base 1, under the action of the placement frame 3, the effect of limiting the placement position of the counterweight block 6 is achieved, and the counterweight block 6 is made of concrete.

[0026] Furthermore, the guide groove 7 is in the shape of a long groove, the transverse splint 5 is slidably connected to the base 1 through the guide groove 7, the vertical splint 4 is slidably connected to the base 1 through the guide groove 7, the transverse splint 5 is distributed in two opposite groups, and the vertical splint 4 is distributed in two opposite groups. Through the connection between the guide groove 7 and the base 1, under the action of the guide groove 7, the effect of regulating the acting position of the transverse splint 5 and the vertical splint 4 on the base 1 is achieved, so that the clamping and supporting effect of the vertical splint 4 and the transverse splint 5 on the bracket column is achieved.

[0027] Furthermore, the connecting holes 8 are evenly arranged on the surfaces of the vertical clamp plate 4 and the transverse clamp plate 5, and the stop block 11 acts on the outer side of the vertical clamp plate 4 and the transverse clamp plate 5 through the support rod 10 and the connecting holes 8. Through the through connection of the connecting holes 8 and the support rod 10, and under the connection of the stop block 11 and the support rod 10, the supporting effect of the stop block 11 at the acting position on the vertical clamp plate 4 and the transverse clamp plate 5 is achieved, thereby improving the clamping range of the vertical clamp plate 4 and the transverse clamp plate 5 on the column.

[0028] Furthermore, the support rods 10 are in two groups acting on the surface of the stop block 11, the nuts 12 and the support rods 10 are connected correspondingly, and the positioning blocks 13 are in a circular ring shape. Through the connection between the support rods 10 and the positioning blocks 13, under the action of the positioning blocks 13 and the nuts 12, the support effect of the position of the support rods 10 in the connecting holes 8 is achieved, and the control support effect of the action position of the stop block 11 is achieved. The connecting holes 8 are evenly arranged on the surfaces of the vertical clamps 4 and the horizontal clamps 5 to form an open interface, on which other professional auxiliary equipment can be installed and applied to more scenarios.

[0029] Furthermore, the fixing screw 9 and the screw sleeve 91 are threadedly connected, the fixing screw 9 passes through the surface of the vertical clamp 4, the first clamp block 92 and the second clamp block 93 are both plate-shaped, and through the connection between the fixing screw 9 and the screw sleeve 91, under the action of the screw sleeve 91, the effect of regulating the position of the fixing screw 9 in the guide groove 7 is achieved, thereby achieving the effect of regulating the position of the vertical clamp 4 and the horizontal clamp 5 on the base 1.

[0030] Furthermore, the first clamp block 92 acts on the surface of the vertical clamp plate 4 and the horizontal clamp plate 5 through the fixing screw 9 and the screw sleeve 91, and the second clamp block 93 acts on the lower surface of the base 1 through the fixing screw 9 and the screw sleeve 91. The fixing screw 9 passes through the surface of the base 1 through the guide groove 7. Under the action of the first clamp block 92 and the second clamp block 93, the second clamp block 93 and the lower surface of the base 1 are in contact with each other, thereby achieving the effect of regulating and supporting the action position of the vertical clamp plate 4 and the horizontal clamp plate 5 on the base 1.

[0031] Working principle: through the action of the vertical clamping plate 4 and the horizontal clamping plate 5, under the sliding connection of the guide groove 7 and the fixed screw 9, the positions of the vertical clamping plate 4 and the horizontal clamping plate 5 on the base 1 are changed to achieve the clamping and supporting effect of the column. Under the connection of the nut 12 and the support rod 10, through the connection of the support rod 10 and the abutment block 11, the use range of the vertical clamping plate 4 and the horizontal clamping plate 5 on the base 1 is improved, and columns of various shapes can be clamped. When the action position of the vertical clamping plate 4 and the horizontal clamping plate 5 is fixed, the screw sleeve 91 on the fixed screw 9 is rotated to make the second clamping block 93 and the first clamping block 92 have a clamping force, and the second clamping block 93 is tightly fitted with the base 1 to achieve the fixing effect of the position of the vertical clamping plate 4 and the horizontal clamping plate 5 on the base 1, and under the action of the counterweight block 6 and the placement frame 3, the use weight of the base 1 is changed to improve the use performance and stable placement effect of the base 1.

Claims

1. A fixing device for photovoltaic bracket testing, comprising a base and a counterweight, characterized in that: The lower surface of the base is fixedly connected to a support frame, the upper surface of the base is fixedly connected to a placement frame, the upper surface of the base is slidably connected to a vertical clamping plate and a horizontal clamping plate, the surface of the base is penetrated by a guide groove, the surfaces of the vertical clamping plate and the horizontal clamping plate are penetrated by connecting holes, the surfaces of the vertical clamping plate and the horizontal clamping plate are penetrated by fixing screws, the inner side of the connecting hole is penetrated by a support rod, the surface of the support rod is fixedly connected to a stop block, the outer surface of the support rod is threadedly sleeved with a nut, the outer surface of the support rod is fixedly connected to a positioning block, and the outer surface of the fixing screw is sleeved with a threaded sleeve, a first clamping block and a second clamping block.

2. A photovoltaic bracket test fixture according to claim 1, characterized in that: The placement frame is in the shape of a frame, and the placement frame is distributed in four groups around the base. Two groups of frame plates are fixedly connected to the surface of the base, and the two groups of frame plates are distributed in a "cross" shape.

3. The fixing device for photovoltaic bracket test according to claim 1 is characterized in that: The guide groove is in the shape of a long groove, the transverse clamping plate is slidably connected to the base through the guide groove, the vertical clamping plate is slidably connected to the base through the guide groove, the transverse clamping plates are distributed in two opposite groups, and the vertical clamping plates are distributed in two opposite groups.

4. The fixing device for photovoltaic bracket test according to claim 1 is characterized in that: The connection holes are evenly arranged on the surfaces of the vertical clamping plate and the transverse clamping plate, and the stop blocks act on the outer sides of the vertical clamping plate and the transverse clamping plate through the support rods and the connection holes.

5. The fixing device for photovoltaic bracket test according to claim 1, characterized in that: The support rods are in two groups and act on the surface of the stop block. The nuts and support rods are connected correspondingly. The positioning block is in a circular ring shape.

6. A photovoltaic bracket test fixture according to claim 1, characterized in that: The fixing screw and the threaded sleeve are threadedly connected, the fixing screw penetrates the surface of the vertical clamping plate, and the first clamping block and the second clamping block are both plate-shaped.

7. The fixing device for photovoltaic bracket test according to claim 1, characterized in that: The first clamping block acts on the surface of the vertical clamping plate and the horizontal clamping plate through a fixing screw and a screw sleeve, and the second clamping block acts on the lower surface of the base through a fixing screw and a screw sleeve. The fixing screw passes through the surface of the base through a guide groove.

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