Photovoltaic wire wear resistance test equipment

Abstract

The utility model discloses photovoltaic wire wear resistance test equipment, which comprises a working frame and a mounting rack, the mounting rack is arranged in the working frame in a sliding manner, one side of the mounting rack is fixedly connected with a driving motor through a bracket, an output shaft of the driving motor is fixedly connected with a rotating shaft through a coupler, and the rotating shaft is fixedly connected with a rotating shaft. And one end of the rotating shaft extends into the mounting rack and is rotatably connected with one side of the inner cavity of the mounting rack. According to the photovoltaic wire wear resistance test equipment, the plurality of T-shaped frames are arranged at the bottom of the rotating shaft, and the straightening mechanisms matched with the T-shaped frames are arranged between the mounting frame and the working frame, so that in the wear resistance detection process of a cable, the wear resistance of the cable can be improved through the cooperation of the T-shaped frames and the straightening mechanisms; and the cable can be straightened and fixed in advance before wear resistance detection, so that the effect that the cable is automatically straightened and fixed conveniently is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic electric wires, in particular to a photovoltaic electric wire wear resistance testing device. Background Art

[0002] Photovoltaic cable, also known as photovoltaic cable, has a copper conductor or tinned copper conductor as the conductor part, an insulation layer of irradiated cross-linked polyolefin insulation, and a sheath of irradiated cross-linked polyolefin insulation. A large number of DC cables in photovoltaic power stations need to be laid outdoors in harsh environmental conditions. In order to adapt to the working conditions, the cable materials need to be tested in advance for quality, such as wear resistance testing.

[0003] In order to facilitate the wear resistance test of photovoltaic cables, in view of this: Chinese patent CN217654940U discloses a photovoltaic wire wear resistance test device, including a base with a groove and a lifting device mounted on the groove of the base, the side wall of the base is penetrated by a conical channel, the lifting device includes a frame, a movable part, and a connecting part, the column of the frame is sleeved with a set connected to the movable part, the connecting part is axially penetrated on the movable part and extends downward, the connecting part is connected to a motor through the connecting part, the extended ends of the connecting part are connected by a rotating rod and extend to the output end of the motor, a plurality of grinding discs are sleeved on the rotating rod, the crossbeam of the frame is penetrated by a lifting rod and connected to the connecting part, a plurality of guide grooves forming tracks are arranged on the inner wall of the channel, and a ball is installed in the guide groove. Through the provided lifting device, the set on the lifting device can guide the grinding disc to rise and fall on the frame, and the lifting rod can drive the movable part to rise and fall, so that the wear resistance test of the photovoltaic wire can be conveniently performed.

[0004] Although the above method is convenient for carrying out wear resistance test on cables, it is inevitable that there are still some shortcomings in the actual use. For example, the device lacks a convenient and automated tightening and clamping mechanism, so that the cable is not convenient to be in a straight and stable state for wear resistance testing. In order to avoid such a situation, a photovoltaic wire wear resistance test equipment is proposed to solve the existing problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a photovoltaic electric wire wear resistance testing device, which solves the problem that the device lacks a convenient and automated tightening and pressing mechanism, making it inconvenient to perform wear resistance testing on the cable in a straight and stable state.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a photovoltaic wire wear resistance testing equipment, including a working frame and a mounting frame, the mounting frame is slidably arranged inside the working frame, one side of the mounting frame is fixedly connected to a driving motor through a bracket, the output shaft of the driving motor is fixedly connected to a rotating shaft through a coupling, and one end of the rotating shaft extends to the inside of the mounting frame and is rotatably connected to one side of the inner cavity of the mounting frame, a plurality of grinding discs are fixedly connected to the surface of the rotating shaft, a plurality of first sleeves are rotatably arranged on the surface of the rotating shaft, a T-frame is slidably connected to the inside of the first sleeve, and a first reset spring is fixedly connected between the T-frame and the first sleeve, and a straightening mechanism is arranged between the mounting frame and the working frame.

[0007] Preferably, the straightening mechanism includes a U-shaped frame, two U-shaped frames are provided, and the two U-shaped frames are respectively slidably arranged on both sides of the inner cavity of the working frame, a guide groove is opened on the rear side of the inner cavity of the U-shaped frame, a guide block is slidably connected inside the guide groove, a third return spring is fixedly connected between the guide block and the guide groove, a tensioning rod is fixedly connected to the front side of the guide block and the rear side of the inner cavity of the U-shaped frame, and pressure rods used in conjunction with the U-shaped frame are fixedly connected on both sides of the front side of the mounting frame.

[0008] Preferably, a second sleeve is fixedly connected to both sides of the inner cavity of the working frame, a telescopic rod is slidably connected inside the second sleeve, and a second return spring is fixedly connected between the telescopic rod and the second sleeve, and the opposite sides of the two telescopic rods are respectively fixedly connected to the opposite sides of the two U-shaped frames.

[0009] Preferably, both sides of the inner cavity of the working frame are provided with sliding grooves, the interior of the sliding grooves is slidably connected with sliders, and the opposite sides of the two sliders are fixedly connected to the two sides of the mounting frame respectively.

[0010] Preferably, an electric telescopic rod is fixedly connected between the two sides of the inner cavity of the working frame via a bracket, and the bottom of the extended end of the electric telescopic rod is fixedly connected to the top of the mounting frame.

[0011] Preferably, placement slots are provided on both sides of the front side of the working frame.

[0012] Beneficial Effects

[0013] The utility model provides a photovoltaic wire wear test device. Compared with the existing technology, the utility model has the following beneficial effects: the utility model sets a plurality of T-shaped frames at the bottom of the rotating shaft, and sets a straightening mechanism used in conjunction with the T-shaped frames between the mounting frame and the working frame, so that during the wear test, the cable can be straightened and fixed in advance before the wear test through the coordinated cooperation of the T-shaped frames and the straightening mechanism, so as to achieve the effect of automatic straightening and fixing of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0015] Figure 2 It is a rear view of the working frame structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0017] Figure 4 It is a cross-sectional view of the first sleeve structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the straightening mechanism structure of the utility model.

[0019] In the figure: 1. working frame; 2. mounting frame; 3. driving motor; 4. rotating shaft; 5. grinding disc; 6. first sleeve; 7. T-shaped frame; 8. first return spring; 9. straightening mechanism; 91. U-shaped frame; 92. guide groove; 93. guide block; 94. third return spring; 95. tensioning rod; 96. pressure rod; 10. second sleeve; 11. telescopic rod; 12. second return spring; 13. slide groove; 14. slider; 15. electric telescopic rod; 16. placement notch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5 The utility model provides a technical solution: a photovoltaic wire wear resistance testing device, comprising a working frame 1 and a mounting frame 2, the mounting frame 2 is slidably arranged inside the working frame 1, one side of the mounting frame 2 is fixedly connected to a driving motor 3 through a bracket, the output shaft of the driving motor 3 is fixedly connected to a rotating shaft 4 through a coupling, and one end of the rotating shaft 4 extends to the inside of the mounting frame 2 and is rotatably connected to one side of the inner cavity of the mounting frame 2, a plurality of grinding discs 5 are fixedly connected to the surface of the rotating shaft 4, both sides of the inner cavity of the working frame 1 are provided with slide grooves 13, the inside of the slide grooves 13 is slidably connected with sliders 14, the opposite sides of the two sliders 14 are fixedly connected to the two sides of the mounting frame 2 respectively, an electric telescopic rod 15 is fixedly connected between the two sides of the inner cavity of the working frame 1 through a bracket, and the bottom of the extended end of the electric telescopic rod 15 is fixedly connected to the top of the mounting frame 2.

[0022] Furthermore, in order to facilitate the pre-straightening and fixing of the cable, a plurality of first sleeves 6 are rotatably arranged on the surface of the rotating shaft 4, a T-shaped frame 7 is slidably connected inside the first sleeve 6, and a first return spring 8 is fixedly connected between the T-shaped frame 7 and the first sleeve 6, a straightening mechanism 9 is arranged between the mounting frame 2 and the working frame 1, and the straightening mechanism 9 includes a U-shaped frame 91, two U-shaped frames 91 are arranged, and the two U-shaped frames 91 are slidably arranged on both sides of the inner cavity of the working frame 1, and a guide groove 92 is opened on the rear side of the inner cavity of the U-shaped frame 91, and a guide block 93 is slidably connected inside the guide groove 92, A third return spring 94 is fixedly connected between the guide block 93 and the guide groove 92, a tensioning rod 95 is fixedly connected to the front side of the guide block 93 and the rear side of the inner cavity of the U-shaped frame 91, pressure rods 96 used in conjunction with the U-shaped frame 91 are fixedly connected to both sides of the front side of the mounting frame 2, a second sleeve 10 is fixedly connected to both sides of the inner cavity of the working frame 1, a telescopic rod 11 is slidably connected inside the second sleeve 10, and a second return spring 12 is fixedly connected between the telescopic rod 11 and the second sleeve 10, and the opposite sides of the two telescopic rods 11 are fixedly connected to the opposite sides of the two U-shaped frames 91 respectively.

[0023] In order to facilitate the placement of cables, placement slots 16 are provided on both sides of the front side of the working frame 1 .

[0024] When in use, the cable is placed between the two groups of tensioning rods 95 by placing the slots 16, and then the electric telescopic rod 15 is started. The extended end of the electric telescopic rod 15 drives the mounting frame 2, the drive motor 3, the rotating shaft 4, the grinding disc 5, the T-frame 7, and the pressure rod 96 to descend. As the pressure rod 96 descends, it is pre-extended and contacted with the U-frame 91, and the U-frame 91 is expanded and squeezed through the contact. The U-frame 91 is forced to move and synchronously drives the tensioning rod 95 to straighten and tighten the cable. While the tensioning rod 95 tightens the cable, several T-frames 7 are pressed and contacted with the cable in succession. As the T-frame 7 contracts under force, the grinding disc 5 also contacts with the cable in succession. Then the drive motor 3 is started, and the drive motor 3 starts to synchronously drive the rotating shaft 4 and the grinding disc 5 to perform wear resistance detection on the cable.

Claims

1. A photovoltaic wire wear test device, comprising a working frame (1) and a mounting frame (2), wherein the mounting frame (2) is slidably arranged inside the working frame (1), characterized in that: One side of the mounting frame (2) is fixedly connected to a driving motor (3) via a bracket, the output shaft of the driving motor (3) is fixedly connected to a rotating shaft (4) via a coupling, and one end of the rotating shaft (4) extends to the inside of the mounting frame (2) and is rotatably connected to one side of the inner cavity of the mounting frame (2), a plurality of grinding discs (5) are fixedly connected to the surface of the rotating shaft (4), a plurality of first sleeves (6) are rotatably arranged on the surface of the rotating shaft (4), a T-shaped frame (7) is slidably connected to the inside of the first sleeve (6), and a first reset spring (8) is fixedly connected between the T-shaped frame (7) and the first sleeve (6), and a straightening mechanism (9) is arranged between the mounting frame (2) and the working frame (1).

2. A photovoltaic wire wear resistance testing device according to claim 1, characterized in that: The straightening mechanism (9) comprises a U-shaped frame (91), wherein two U-shaped frames (91) are provided, and the two U-shaped frames (91) are respectively slidably arranged on both sides of the inner cavity of the working frame (1), a guide groove (92) is provided on the rear side of the inner cavity of the U-shaped frame (91), a guide block (93) is slidably connected inside the guide groove (92), a third return spring (94) is fixedly connected between the guide block (93) and the guide groove (92), a tensioning rod (95) is fixedly connected to the front side of the guide block (93) and the rear side of the inner cavity of the U-shaped frame (91), and pressure rods (96) used in conjunction with the U-shaped frame (91) are fixedly connected to both sides of the front side of the mounting frame (2).

3. A photovoltaic wire wear resistance testing device according to claim 2, characterized in that: A second sleeve (10) is fixedly connected to both sides of the inner cavity of the working frame (1), a telescopic rod (11) is slidably connected inside the second sleeve (10), and a second return spring (12) is fixedly connected between the telescopic rod (11) and the second sleeve (10), and opposite sides of the two telescopic rods (11) are respectively fixedly connected to opposite sides of the two U-shaped frames (91).

4. A photovoltaic wire wear resistance testing device according to claim 1, characterized in that: Slide grooves (13) are provided on both sides of the inner cavity of the working frame (1), and sliders (14) are slidably connected inside the slide grooves (13). The opposite sides of the two sliders (14) are fixedly connected to the two sides of the mounting frame (2) respectively.

5. The photovoltaic wire wear resistance testing equipment according to claim 1, characterized in that: An electric telescopic rod (15) is fixedly connected between the two sides of the inner cavity of the working frame (1) via a bracket, and the bottom of the extended end of the electric telescopic rod (15) is fixedly connected to the top of the mounting frame (2).

6. The photovoltaic wire wear resistance testing device according to claim 1, characterized in that: Both sides of the front side of the working frame (1) are provided with placement slots (16).

Images