Device for detecting tensile strength of photovoltaic welding strip

Abstract

The utility model relates to the technical field of photovoltaic welding strip detection, and discloses a photovoltaic welding strip tensile strength detection device which comprises a bottom plate, a motor is fixedly connected to the middle of the left side of the top face of the bottom plate, a transmission shaft is fixedly connected to the output end of the motor, and a first bevel gear is fixedly connected to the front side of the outer wall of the transmission shaft. The right side of the first bevel gear is in meshed connection with a second bevel gear, the middle of the second bevel gear is fixedly connected with a threaded rod, the left side and the right side of the threaded rod are both fixedly and rotatably connected with a plurality of supporting blocks, the middle of the outer wall of the threaded rod is in threaded connection with a sliding block, and the rear side of the sliding block is fixedly connected with a moving block; the middle of the left side of each moving block is slidably connected with a plurality of clamping plates. According to the utility model, through mutual cooperation of the motor, the gear and the threaded rod, stretching detection of the photovoltaic solder strip is realized, so that the reliability of the photovoltaic solder strip is guaranteed, and the photovoltaic solder strip is ensured to function normally.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic welding strip detection technical field especially relates to a photovoltaic welding strip tensile strength detection device. BACKGROUND

[0002] Photovoltaic welding strip is also called tin-coated welding strip or tin-coated copper strip, which is an important raw material in the process of photovoltaic module welding. Photovoltaic welding strip is used to connect photovoltaic cell pieces and play the role of electrically conductive and electrically neutral. It can lead out the electric energy converted from light energy on the silicon wafer and deliver it to electrical equipment to improve the output voltage and power of photovoltaic module. The quality of photovoltaic welding strip directly affects the collection efficiency of photovoltaic module current and the power performance index of the module. Generally, it is composed of copper base material and tin alloy coating. The copper base material has good electrical conductivity, but the welding performance is poor. The tin alloy coating can make the photovoltaic welding strip meet the weldability requirement and be firmly welded to the main grid line of the cell piece, thereby realizing effective current conduction. When the strength of photovoltaic welding strip needs to be detected, a photovoltaic welding strip tensile strength detection device is needed.

[0003] The existing photovoltaic welding strip tensile strength detection device on the market mainly comprises a frame, a mounting platform, a base, a fixing structure and a motor. When in use, the photovoltaic welding strip to be detected is placed on the fixing structure, and the motor is used to stretch the photovoltaic welding strip. When the photovoltaic welding strip breaks and the detection is completed, in the drive system, there are certain transmission gaps in the ball screw pair, gear transmission or synchronous belt transmission components due to manufacturing process and assembly reasons, which affects the accuracy of tension and displacement measurement and reduces the precision of tensile strength detection result. In order to solve the above problems, the prior art only selects a high-precision pre-tightening ball screw to eliminate the axial gap between the screw and the nut by adjusting the pre-tightening force of the nut, so as to ensure the high precision and no gap of transmission. However, the tensile strength is not optimized, which cannot meet the requirement of tensile strength detection of thicker photovoltaic welding strip and cannot meet the use requirement. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a photovoltaic welding strip tensile strength detection device, which aims to improve the problem that the prior art does not optimize the tensile strength and cannot meet the requirement of tensile strength detection of thicker photovoltaic welding strip.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a photovoltaic welding strip tensile strength detection device, including the bottom plate, the top surface left side middle part of bottom plate is fixedly connected with motor, the output of motor is fixedly connected with transmission shaft, the outer wall front side of transmission shaft is fixedly connected with bevel gear no.

[0006] As a further description of the above technical solution:

[0007] The protection mechanism comprises a sliding rail, the top of the sliding rail is fixedly connected with the top surface of the bottom plate, the outer wall of the sliding rail is slidably connected with two protection shells, the top surface of the protection shell is fixedly connected with a handle on the adjacent side, the front left side of the protection shell is fixedly connected with a limiting block, the limiting block is rotatably connected with a lock strip in the inside, the front left side of the protection shell is fixedly connected with a lock block, and the middle part of the lock block is slidably connected with a limiting rod.

[0008] As a further description of the above technical solution:

[0009] The bottom of the protection shell is provided with a sliding groove, and the top surface of the protection shell is provided with a visual window.

[0010] As a further description of the above technical solution:

[0011] The left and right sides of the bottom plate are fixedly connected with a moving handle, and the middle part of the outer wall of the moving handle is fixedly connected with an antiskid sleeve.

[0012] As a further description of the above technical solution:

[0013] The bottom surface of the bottom plate is fixedly connected with a plurality of supporting legs around, and the bottom of the supporting leg is fixedly connected with an antiskid pad.

[0014] As a further description of the above technical solution:

[0015] The middle part of the bottom surface of the bottom plate is fixedly connected with a storage battery on the rear side, and the middle part of the bottom surface of the bottom plate is fixedly connected with a controller on the front side.

[0016] As a further description of the above technical solution:

[0017] The top surface right side of the bottom plate is fixedly connected with a storage box, and the left side middle part of the storage box is fixedly connected with an L-shaped supporting strip.

[0018] As a further description of the above technical solution:

[0019] The front side of the storage box is rotationally connected with a box door, and the front left side of the box door is fixedly connected with a handle.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, when photovoltaic welding strip tensile detection is carried out, the operator needs to clamp the welding strip between the clamping plates, start the motor to drive the transmission shaft to rotate, the transmission shaft drives the threaded rod to rotate through the bevel gear, the threaded rod makes the sliding block move along the thread, and then pushes the moving block to move left and right, completes the welding strip tensile detection, and ensures the reliability and normal function.

[0022] 2. In the utility model, when photovoltaic welding strip tensile detection is carried out, in order to prevent damage caused by fracture, the protective shell is slid to the middle part of the bottom plate and contacted, the lock strip is rotated to engage the inside of the lock block, and the limiting rod is inserted, after detection is completed, the limiting rod is pulled out, the lock strip is rotated, and the protective shell is moved away, the operator is protected, and the detection safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A bottom plate front side perspective view of the photovoltaic welding strip tensile strength detection device is provided for the utility model;

[0024] Figure 2 A protective shell structure view of the photovoltaic welding strip tensile strength detection device is provided for the utility model;

[0025] Figure 3 A moving block structure view of the photovoltaic welding strip tensile strength detection device is provided for the utility model;

[0026] Figure 4 A rack structure display view of the photovoltaic welding strip tensile strength detection device is provided for the utility model;

[0027] Figure 5 A storage box structure schematic view of the photovoltaic welding strip tensile strength detection device is provided for the utility model.

[0028] LEGEND:

[0029] 1, bottom plate; 2, protection mechanism; 201, sliding rail; 202, protective shell; 203, handle; 204, limit block; 205, lock bar; 206, lock block; 207, limit rod; 208, sliding groove; 209, visible window; 3, motor; 4, transmission shaft; 5, bevel gear one; 6, bevel gear two; 7, threaded rod; 8, support block; 9, sliding block; 10, moving block; 11, clamping plate; 12, fixed vertical plate; 13, circular gear; 14, rack; 15, moving handle; 16, anti-skid sleeve; 17, support leg; 18, non-slip mat; 19, battery; 20, controller; 21, storage box; 22, box door; 23, handle; 24, L-shaped support bar. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to the drawings Figure 1 - the drawings Figure 3 An embodiment provided by the utility model: a photovoltaic welding strip tensile strength detection device, the top surface left side middle part of bottom plate 1 is fixedly connected with motor 3, the output end of motor 3 is fixedly connected with transmission shaft 4, the outer wall front side of transmission shaft 4 is fixedly connected with bevel gear one 5, the right side of bevel gear one 5 is meshingly connected with bevel gear two 6, the middle part of bevel gear two 6 is fixedly connected with threaded rod 7, the left and right sides of threaded rod 7 are all fixedly rotatably connected with a plurality of support blocks 8, to ensure its stability and carrying capacity, the outer wall middle part of threaded rod 7 is threadedly connected with sliding block 9, the rear side of sliding block 9 is fixedly connected with moving block 10, the left side middle part of moving block 10 is all slidingly connected with a plurality of clamping plates 11, these clamping plates 11 can flexibly move and clamp, the top surface left side of bottom plate 1 is fixedly connected with fixed vertical plate 12, to provide additional support and stability, the outer wall right side of threaded rod 7 is fixedly connected with circular gear 13, the outer wall of circular gear 13 is meshingly connected with rack 14, so that the rotary motion of transmission shaft 4 can be converted into the linear motion of threaded rod 7, to drive moving block 10 and clamping plate 11 to move and position accurately, the top of bottom plate 1 is provided with protection mechanism 2, protection mechanism 2 is used for protecting photovoltaic detection;

[0032] Specifically, the top surface left side middle part of the bottom plate 1 is designed to be fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected with a transmission shaft 4, the outer wall front side of the transmission shaft 4 is fixedly connected with a bevel gear one 5, the right side of the bevel gear one 5 is meshedly connected with another bevel gear two 6, the middle part of the bevel gear two 6 is fixedly connected with a threaded rod 7, the left side and the right side of the threaded rod 7 are both fixedly rotatably connected with a plurality of supporting blocks 8, so as to ensure the stability and load capacity, the outer wall middle part of the threaded rod 7 is threadedly connected with a sliding block 9, the rear side of the sliding block 9 is fixedly connected with a moving block 10, the left side middle part of the moving block 10 is slidably connected with a plurality of clamping plates 11, the clamping plates 11 can be flexibly moved and clamped, the top surface left side of the bottom plate 1 is also fixedly connected with a fixed vertical plate 12, so as to provide additional support and stability, the outer wall right side of the threaded rod 7 is also fixedly connected with a circular gear 13, the outer wall of the circular gear 13 is meshedly connected with a rack 14, so that the rotary motion of the transmission shaft 4 can be converted into the linear motion of the threaded rod 7, thereby driving the moving block 10 and the clamping plates 11 to move and position accurately.

[0033] Please refer to the accompanying Figure 2 - the accompanying Figure 3 The protection mechanism 2 comprises a sliding rail 201, the top of the sliding rail 201 is fixedly connected with the top surface front side and rear side of the bottom plate 1, the outer wall of the sliding rail 201 is slidably connected with two protection shells 202, the design of the two protection shells 202 aims to provide additional protection and stability, the top surface adjacent side of the protection shell 202 is fixedly connected with a handle 203, so as to facilitate the user to easily operate and move when needed, the front left side of the protection shell 202 is fixedly connected with a limiting block 204, the inside of the limiting block 204 is rotatably connected with a lock strip 205, such design can ensure the safety and reliability of the sliding rail 201 during use, the front left side of the protection shell 202 is fixedly connected with a lock block 206, the middle part of the lock block 206 is slidably connected with a limiting rod 207, which further enhances the safety performance of the protection shell 202, the bottom of the protection shell 202 is provided with a sliding groove 208, allowing the sliding rail 201 to smoothly slide therein, the top surface middle part of the protection shell 202 is provided with a viewing window 209, through which the user can directly see the internal operation;

[0034] Specific, the top of the sliding rail 201 and the top surface of the base plate 1 front and rear side by fixedly connected together, the outer wall of the sliding rail 201, uniformly sliding connection has two protective shell 202, the design of the two protective shell 202 aims to provide additional protection and stability, the top surface of each protective shell 202 adjacent side is fixedly connected with a handle 203, convenient for users to easily operate and move when needed, the front left side of the protective shell 202 is also fixedly connected with a limit block 204, the limit block 204 is rotatably connected with a lock bar 205, such design can ensure the safety and reliability of the sliding rail 201 in the process of use, the front left side of the protective shell 202 is also fixedly connected with a lock block 206, the middle part of the lock block 206 is slidingly connected with a limiting rod 207, further enhances the safety performance of the protective shell 202, in order to adapt to different use requirements, the bottom of the protective shell 202 is provided with a sliding groove 208, allowing the sliding rail 201 to smoothly slide therein, in order to facilitate users to observe the internal situation, the top surface of the protective shell 202 is provided with a visual window 209, users can intuitively see the internal operation through the visual window 209.

[0035] Please refer to the attached Figure 3 - attached Figure 4 , the top surface of the base plate 1 right side is fixedly connected with a storage box 21, the left side of the storage box 21 is fixedly connected with an L-shaped support strip 24, the L-shaped support strip 24 not only enhances the structural stability of the storage box 21, the front side of the storage box 21 is rotatably connected with a box door 22, such design makes the user can easily open or close the box door 22, the front left side of the box door 22 is fixedly connected with a handle 23, the user can easily open or close the box door 22 by holding the handle 23;

[0036] Specific, the top surface of the base plate 1 right side is designed to be fixedly connected with a storage box 21, such design not only saves space, but also facilitates users to store various small items, the left side of the storage box 21 is fixedly connected with an L-shaped support strip 24, the L-shaped support strip 24 not only enhances the structural stability of the storage box 21, but also provides additional support for the base plate 1, the front side of the storage box 21 is designed to be rotatably connected with a box door 22, such design makes the user can easily open or close the box door 22 to access the items in the storage box 21, in order to facilitate user operation, the front left side of the box door 22 is fixedly connected with a handle 23, the user can easily open or close the box door 22 by holding the handle 23.

[0037] Please refer to the attached Figure 3 - attached Figure 5The left and right sides of the bottom plate 1 are fixedly connected with moving handles 15, so that the user can operate more easily when moving or carrying. The outer wall of the moving handle 15 is fixedly connected with an anti-skid sleeve 16 in the middle, so as to ensure that the handle will not cause an accident due to hand slipping during carrying. The bottom surface of the bottom plate 1 is fixedly connected with a plurality of supporting legs 17 around the periphery, which can not only stabilize the placement of the bottom plate 1, but also prevent the bottom plate 1 from being damaged by directly contacting the ground. The bottom of the supporting leg 17 is fixedly connected with an anti-skid pad 18, which ensures good grip on various grounds. The bottom surface of the bottom plate 1 is fixedly connected with a controller 20 in the middle of the front side, and the user can control the running state of the device through the controller 20.

[0038] Specifically, the left and right sides of the bottom plate 1 are designed to be fixedly connected with moving handles 15, so that the user can operate more easily when moving or carrying. The outer wall of the moving handle 15 is fixedly connected with an anti-skid sleeve 16 in the middle, so as to ensure that the handle will not cause an accident due to hand slipping during carrying. The bottom surface of the bottom plate 1 is fixedly connected with a plurality of supporting legs 17 around the periphery, which can not only stabilize the placement of the bottom plate 1, but also prevent the bottom plate 1 from being damaged by directly contacting the ground. In order to enhance the stability, the bottom of the supporting leg 17 is fixedly connected with an anti-skid pad 18, which ensures good grip on various grounds. In the middle of the rear side of the bottom surface of the bottom plate 1, a battery 19 is fixedly connected, which provides necessary power support for the entire device. In the middle of the front side of the bottom surface of the bottom plate 1, a controller 20 is fixedly connected, and the user can control the running state of the device through the controller 20, realizing intelligent operation experience.

[0039] Working principle: when the photovoltaic welding strip needs to be stretched for detection, the operator needs to place the photovoltaic welding strip to be detected between the plurality of clamping plates 11 and ensure that it is clamped firmly. Start the motor 3, the motor 3 outputs power to drive the transmission shaft 4 to rotate. The transmission shaft 4 rotates to drive the bevel gear one 5 to rotate, which drives the bevel gear two 6 meshing with it to rotate. The bevel gear two 6 rotates to drive the threaded rod 7 to rotate, which drives the sliding block 9 to move left and right along the threads of the threaded rod 7. The sliding block 9 moves left and right to drive the moving block 10 connected with it to move left and right, realizing the stretching detection of the photovoltaic welding strip, thereby ensuring the reliability of the photovoltaic welding strip and ensuring the normal function of the photovoltaic welding strip.

[0040] When the photovoltaic welding strip is stretched for detection, in order to avoid the photovoltaic welding strip from being broken to cause damage to the operator or other facilities, the two protective shells 202 are slid along the sliding rail 201 to the middle of the bottom plate 1, when the two protective shells 202 contact, the lock bar 205 is rotated and clamped in the inside of the lock block 206, and the limiting rod 207 is inserted, when the detection is finished, the limiting rod 207 is pulled out and the lock bar 205 is rotated, and then the protective shell 202 is moved to the two sides, so that the operator is protected, and danger is avoided in the detection process.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A photovoltaic solder strip tensile strength detection device, comprising a base plate (1), characterized in that: The top surface left side middle part of the bottom plate (1) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a transmission shaft (4), the outer wall front side of the transmission shaft (4) is fixedly connected with a bevel gear one (5), the right side of the bevel gear one (5) is meshedly connected with a bevel gear two (6), the middle part of the bevel gear two (6) is fixedly connected with a threaded rod (7), the left and right sides of the threaded rod (7) are all fixedly rotatably connected with a plurality of supporting blocks (8), the outer wall middle part of the threaded rod (7) is threadedly connected with a sliding block (9), the rear side of the sliding block (9) is fixedly connected with a moving block (10), the left side middle part of the moving block (10) is slidably connected with a plurality of clamping plates (11), the top surface left side of the bottom plate (1) is fixedly connected with a fixed vertical plate (12), the outer wall right side of the threaded rod (7) is fixedly connected with a circular gear (13), the outer wall of the circular gear (13) is meshedly connected with a rack (14), the top of the bottom plate (1) is provided with a protection mechanism (2), and the protection mechanism (2) is used for protecting photovoltaic detection.

2. The photovoltaic solder strip tensile strength detection device of claim 1, wherein: The protection mechanism (2) comprises a sliding rail (201), the top of the sliding rail (201) is fixedly connected with the top surface front and rear sides of the bottom plate (1), the outer walls of the sliding rail (201) are all slidably connected with two protection shells (202), the top surface adjacent side of the protection shell (202) is fixedly connected with a handle (203), the front left side of the protection shell (202) is fixedly connected with a limiting block (204), the inside of the limiting block (204) is rotatably connected with a lock strip (205), the front left side of the protection shell (202) is fixedly connected with a lock block (206), and the middle part of the lock block (206) is slidably connected with a limiting rod (207).

3. The photovoltaic bussing tensile strength detection device of claim 2, wherein: The bottom of the protection shell (202) is provided with a sliding groove (208), and the top surface middle part of the protection shell (202) is provided with a visual window (209).

4. The photovoltaic bussing tensile strength detection device of claim 1, wherein: The left and right sides of the bottom plate (1) are all fixedly connected with a moving handle (15), and the outer wall middle part of the moving handle (15) is fixedly connected with an antiskid sleeve (16).

5. The photovoltaic bussing tensile strength detection device of claim 1, wherein: The bottom surface all around of the bottom plate (1) is fixedly connected with a plurality of supporting legs (17), and the bottom of the supporting leg (17) is fixedly connected with an antiskid pad (18).

6. The photovoltaic bussing tensile strength detection device of claim 1, wherein: The bottom surface middle part rear side of the bottom plate (1) is fixedly connected with a storage battery (19), and the bottom surface middle part front side of the bottom plate (1) is fixedly connected with a controller (20).

7. The photovoltaic bussing tensile strength detection device of claim 1, wherein: The top surface right side of the bottom plate (1) is fixedly connected with a storage box (21), and the left side middle part of the storage box (21) is fixedly connected with an L-shaped supporting strip (24).

8. The photovoltaic bussing tensile strength detection device of claim 7, wherein: The front side of the storage box (21) is rotatably connected with a box door (22), and the front left side of the box door (22) is fixedly connected with a handle (23).

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