Safe replacement device for photovoltaic module

Abstract

The utility model relates to the technical field of photovoltaic module maintenance, and discloses a photovoltaic module safe replacement device which comprises a ladder stand, limiting grooves are formed in the periphery of the bottom of the ladder stand, positioning blocks are slidably connected into the limiting grooves, supporting blocks are arranged on the periphery of the bottom of the ladder stand, and the supporting blocks are connected with the limiting grooves in a sliding mode. The top of the supporting block is fixedly connected to the bottom of the positioning block. According to the utility model, through the cooperation of the limiting groove, the first knob, the screw rod and the positioning block, the positions of the supporting block, the clamping block and the anti-skid rubber pad can be conveniently adjusted, the clamping block below the ladder can be clamped in a gap between two photovoltaic panel assembly frames to limit the ladder, so that a worker can conveniently walk above a photovoltaic panel by using the ladder, and the working efficiency is improved. By adopting the mode, the problem that a worker treads on the photovoltaic module to cause damage can be avoided, or the problem that certain potential safety hazards exist when the worker replaces the photovoltaic module due to the fact that the surface of the photovoltaic panel is not provided with a place for the worker to climb and step on can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module maintenance technical field more particularly to a photovoltaic module safe replacement device. BACKGROUND

[0002] ‌Photovoltaic module is a kind of device that converts sunlight into electrical energy, it is the core part of photovoltaic power generation system.‌Photovoltaic module utilizes photovoltaic effect, passes through semiconductor material absorption sunlight and generates current. In photovoltaic panel replacement work, staff needs to climb the surface of photovoltaic module to disassemble it, but when replacing by this way, photovoltaic module can be stepped on, which may cause damage to photovoltaic module, and the surface of photovoltaic panel is smooth and has slope, there is no place for staff to climb and step on the surface, so that staff has certain security risks when replacing photovoltaic module, which needs to be improved. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a photovoltaic module safe replacement device to solve the problems in the above background art.

[0004] The utility model provides the following technical scheme: a photovoltaic module safe replacement device, including the ladder, the bottom of the ladder is equipped with the limiting slot around, the inside of the limiting slot is connected with the positioning block of sliding, the bottom of the ladder is equipped with the support block around, the top of the support block is fixedly connected in the bottom of positioning block, the bottom of the support block is fixedly connected with the clamping block, the support block and clamping block are integrally formed, one end of the both sides of the ladder is equipped with the connecting rope, one end of the connecting rope is fixedly connected with the hook, one end of the both sides of the ladder is fixedly connected with the protective cover, the inside of the protective cover is equipped with the take-up reel, the other end of the connecting rope extends to the inside of the protective cover and is fixedly connected on the take-up reel.

[0005] Further, the inside of the limiting slot is equipped with the lead screw, one end of the lead screw extends to the outside of the ladder and is fixedly connected with the first knob, the other end of the lead screw is rotatably connected on the inside wall of the limiting slot through bearing.

[0006] Further, the bottom of the both sides of the support block is fixedly connected with the antiskid rubber pad, the bottom of the antiskid rubber pad is equipped with the antiskid line.

[0007] Further, the inside of the protective cover is equipped with the connecting shaft, the both ends of the connecting shaft are rotatably connected on the upper and lower sides of the inside wall of the protective cover through bearing, the inside of the take-up reel is fixedly sleeved on the outer wall of the connecting shaft.

[0008] Further, the upper portion of the inside of the protective cover is equipped with the worm and the worm wheel, the worm and the worm wheel are engaged, the inside of the worm wheel is fixedly sleeved on the upper portion of the outer wall of the connecting shaft.

[0009] Further, one end of the worm is rotatably connected to one side of the inner wall of the protective cover through a bearing, and the other end of the worm extends to the outside of the protective cover and is fixedly connected with the second knob.

[0010] The technical effects and advantages of the present application are as follows:

[0011] 1. The present application adopts the cooperation of the limiting groove, the first knob, the lead screw and the positioning block, so as to conveniently adjust the positions of the supporting block, the clamping block and the anti-skid rubber pad, and the clamping block below the ladder can be clamped in the gap between the frames of the two photovoltaic panel assemblies, so as to limit the ladder, and thus the staff can walk above the photovoltaic panel by using the ladder, and the nearby photovoltaic panel can be replaced, and the damage of the photovoltaic assembly caused by the staff stepping on it can be avoided, and the staff has certain safety risks when replacing the photovoltaic assembly.

[0012] 2. The present application adopts the cooperation of the protective cover, the second knob, the worm, the worm gear, the connecting shaft and the take-up reel, so as to conveniently take up or pay out the connecting rope, adjust the length of the connecting rope, and hang the hook at one end of the connecting rope on the cross beam of the photovoltaic support frame through the gap between the two photovoltaic panels, so as to further limit the ladder, increase the safety of the ladder when in use, and reduce the risk of the ladder falling. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0014] Figure 2 It is a schematic diagram of the partial structure of the ladder from another perspective.

[0015] Figure 3 It is a schematic diagram of the side surface structure of the protective cover.

[0016] Figure 4 It is a schematic diagram of the structure of the hook from another perspective.

[0017] The reference signs are as follows: 1, ladder; 2, connecting rope; 3, hook; 4, limiting groove; 41, first knob; 42, lead screw; 43, positioning block; 44, supporting block; 45, clamping block; 46, anti-skid rubber pad; 5, protective cover; 51, second knob; 52, worm; 53, worm gear; 54, connecting shaft; 55, take-up reel. DETAILED DESCRIPTION

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The photovoltaic module safety replacement device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Example 1:

[0020] like Figures 1-4 As shown, a photovoltaic module safety replacement device includes a ladder 1. Limiting grooves 4 are formed around the bottom of the ladder 1. A positioning block 43 is slidably connected inside the limiting grooves 4. Support blocks 44 are provided around the bottom of the ladder 1. The top of the support blocks 44 is fixedly connected to the bottom of the positioning blocks 43. A locking block 45 is fixedly connected to the middle of the bottom of the support blocks 44. The support blocks 44 and the locking block 45 are integrally formed. A lead screw 42 is provided inside the limiting grooves 4. One end of the lead screw 42 extends to the outside of the ladder 1 and is fixedly connected to a knob 41. The other end of the lead screw 42 is rotatably connected to one side of the inner wall of the limiting groove 4 through a bearing. Anti-slip rubber pads 46 are fixedly connected to both sides of the bottom of the support blocks 44. Anti-slip textures are formed on the bottom of the anti-slip rubber pads 46.

[0021] In this embodiment, the positions of the support block 44, the locking block 45, and the anti-slip rubber pad 46 under the ladder 1 are easily adjusted by the cooperation of the first knob 41, the lead screw 42, and the positioning block 43. By locking the locking block 45 under the ladder 1 into the gap between the frames of the two photovoltaic panels, and placing the anti-slip rubber pad 46 at the bottom of the support block 44 on the metal frames of the two photovoltaic panels, the ladder 1 is easily limited. The anti-slip rubber pad 46 provides protection between the support block 44 and the frame of the photovoltaic panels. Workers can walk on the ladder 1 to replace nearby photovoltaic panels, which can prevent damage caused by workers stepping on the photovoltaic panels, or safety hazards caused by the smooth surface of the photovoltaic panels and the lack of places to climb or step on them.

[0022] Example 2:

[0023] like Figures 1-4As shown, one end of the ladder 1 on both sides is provided with a connecting rope 2, one end of the connecting rope 2 is fixedly connected with a hook 3, one end of the ladder 1 on both sides is fixedly connected with a protective cover 5, the inside of the protective cover 5 is provided with a take-up reel 55, the other end of the connecting rope 2 extends to the inside of the protective cover 5 and is fixedly connected on the take-up reel 55, the inside of the protective cover 5 is provided with a connecting shaft 54, both ends of the connecting shaft 54 are rotatably connected on the upper and lower sides of the inner wall of the protective cover 5 through bearings, the inside of the take-up reel 55 is fixedly sleeved on the outer wall of the connecting shaft 54, the upper side of the inside of the protective cover 5 is provided with a worm 52 and a worm wheel 53, the worm 52 is engaged with the worm wheel 53, the inside of the worm wheel 53 is fixedly sleeved on the upper side of the outer wall of the connecting shaft 54, one end of the worm 52 is rotatably connected on one side of the inner wall of the protective cover 5 through a bearing, the other end of the worm 52 extends to the outside of the protective cover 5 and is fixedly connected with a second knob 51.

[0024] In this embodiment, by rotating the second knob 51, the worm 52 is driven to rotate, the worm 52 drives the worm wheel 53 to rotate, the worm 52 and the worm wheel 53 have a self-locking function, the worm 52 can drive the worm wheel 53 to rotate, but the worm wheel 53 is difficult to drive the worm 52 to rotate, the connecting shaft 54 and the take-up reel 55 can be driven to rotate by the worm wheel 53, the take-up reel 55 winds one end of the connecting rope 2, and the length of the connecting rope 2 and the position of the hook 3 can be adjusted, (by rotating the second knob 51 in the opposite direction, the take-up reel 55 can be driven to rotate in the opposite direction to perform the operation of paying out the rope), the hook 3 at one end of the connecting rope 2 can be hung on the cross beam of the photovoltaic support frame through the gap between the two photovoltaic panel assemblies, so that the ladder 1 can be further positioned.

[0025] In summary, as shown, Figures 1-4 The photovoltaic module safety replacement device is used, the worker can rotate the lead screw 42 through the first knob 41, the lead screw 42 drives the positioning block 43 to slide in the limiting groove 4, the positioning block 43 drives the supporting block 44, the clamping block 45 and the anti-skid rubber pad 46 to move, so that the position of the supporting block 44 and the clamping block 45 can be adjusted, the clamping block 45 below the ladder 1 can be clamped in the gap between the frames of the two photovoltaic panel assemblies, and the anti-skid rubber pad 46 at the bottom of the supporting block 44 can be placed on the metal frames of the two photovoltaic panel assemblies, so that the ladder 1 can be positioned, the worm 52 is driven to rotate by rotating the second knob 51, the worm 52 drives the worm wheel 53, the connecting shaft 54 and the take-up reel 55 to rotate, the take-up reel 55 winds one end of the connecting rope 2, so that the length of the connecting rope 2 used can be adjusted, the hook 3 at one end of the connecting rope 2 can be hung on the cross beam of the photovoltaic support frame through the gap between the two photovoltaic panel assemblies, so that the ladder 1 can be further positioned, and the worker can walk on the ladder 1 to replace the nearby photovoltaic panel.

[0026] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0027] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0028] Finally: the above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A photovoltaic module safe replacement device comprising a ladder (1), characterized in that, The bottom of the ladder (1) is provided with a limiting slot (4) around, the inside of the limiting slot (4) is slidably connected with a positioning block (43), the bottom of the ladder (1) is provided with a supporting block (44) around, the top of the supporting block (44) is fixedly connected to the bottom of the positioning block (43), the bottom of the supporting block (44) is fixedly connected with a clamping block (45) in the middle, the supporting block (44) and the clamping block (45) are integrally formed, one end of the ladder (1) is provided with a connecting rope (2), one end of the connecting rope (2) is fixedly connected with a hook (3), one end of the ladder (1) is fixedly connected with a protective cover (5), the inside of the protective cover (5) is provided with a take-up reel (55), the other end of the connecting rope (2) extends to the inside of the protective cover (5) and is fixedly connected to the take-up reel (55).

2. A photovoltaic module safe replacement device according to claim 1, characterized in that: The inside of the limiting slot (4) is provided with a lead screw (42), one end of the lead screw (42) extends to the outside of the ladder (1) and is fixedly connected with a first knob (41), the other end of the lead screw (42) is rotatably connected to one side of the inner wall of the limiting slot (4) through a bearing.

3. A photovoltaic module safe replacement device according to claim 1, wherein: The bottom of the supporting block (44) is fixedly connected with an antiskid rubber pad (46) on both sides, the bottom of the antiskid rubber pad (46) is provided with antiskid lines.

4. A photovoltaic module safe replacement device according to claim 1, wherein: The inside of the protective cover (5) is provided with a connecting shaft (54), both ends of the connecting shaft (54) are rotatably connected to the upper and lower inner walls of the protective cover (5) through bearings, and the inside of the take-up reel (55) is fixedly sleeved on the outer wall of the connecting shaft (54).

5. A photovoltaic module safe replacement device according to claim 1, wherein: The inside of the protective cover (5) is provided with a worm (52) and a worm wheel (53), the worm (52) and the worm wheel (53) are engaged, and the inside of the worm wheel (53) is fixedly sleeved on the upper part of the outer wall of the connecting shaft (54).

6. A photovoltaic module safe replacement device according to claim 5, wherein: One end of the worm (52) is rotatably connected to one side of the inner wall of the protective cover (5) through a bearing, and the other end of the worm (52) extends to the outside of the protective cover (5) and is fixedly connected with a second knob (51).

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