Pay-off device for photovoltaic engineering cable

Abstract

The utility model relates to the technical field of pay-off devices for photovoltaic engineering cables, and discloses a pay-off device for photovoltaic engineering cables, which comprises a supporting plate, a fixing plate is fixedly mounted on the upper surface of the supporting plate, and a driving motor is fixedly mounted on the side wall of the fixing plate. And a pay-off roller is fixedly mounted at the output end of the driving motor. According to the pay-off device for the photovoltaic engineering cable, when the cable is broken, an elastic plate on a mounting block moves along with the cable under the action of a friction strip arranged on the elastic plate, a movable block extrudes a reset spring and buffers the moving force of the mounting block, and meanwhile the elastic plate gets close to the center of a guide cylinder under the guide of a guide groove; and clamping blocks are clamped into clamping holes in the surfaces of the fixing blocks, it is guaranteed that the cables are stably fixed through the elastic plates, and the situation that the cables are abraded due to the fact that the pulling force of the pay-off roller does not reach the standard in the follow-up pay-off process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pay -off device for photovoltaic engineering cable, concretely is a pay -off device for photovoltaic engineering cable. BACKGROUND

[0002] Photovoltaic power generation is a kind of technology that utilizes the photovoltaic effect of semiconductor interface to convert light energy into electric energy directly. It mainly consists of solar cell panel, controller and inverter, and main components are composed of electronic components. Solar cell can form large-area solar cell module after encapsulation and protection, and then cooperate with power controller and other components to form photovoltaic power generation device.

[0003] According to the pay-off device for photovoltaic engineering cable (publication number: CN217934820U) disclosed in the application, the guiding seat can fix the conveying position of the cable moving back and forth on the cable reel, thereby reducing the friction of the cable, reducing the wear of the cable during pay-off, reducing the phenomenon of abnormal wear during pay-off, and improving the safety of the cable during use.

[0004] However, the above-mentioned device only uses conventional take-up and pay-off rollers for pay-off in actual use. If the cable suddenly breaks due to unexpected situations during pay-off or the cable is cut by personnel when pay-off reaches a certain length, the cable outside the take-up and pay-off rollers will be loose, the pulling force of pay-off in the later use process cannot meet the standard, the line body is in contact with the ground and may be damaged; Therefore, we provide a pay-off device for photovoltaic engineering cable. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pay-off device for photovoltaic engineering cable to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pay-off device for photovoltaic engineering cable, comprising a support plate, a fixed plate is fixedly installed on the upper surface of the support plate, a drive motor is fixedly installed on the side wall of the fixed plate, a pay-off roller is fixedly installed on the output end of the drive motor, a guide cylinder is fixedly installed on the upper surface of the support plate, a locking mechanism is arranged in the guide cylinder, a promoting mechanism is arranged in the guide cylinder, and the locking mechanism comprises:

[0007] A mounting groove is formed in the inner wall of the guide cylinder, an active groove is formed in the inner wall of the mounting groove, a return spring is fixedly installed on the inner wall of the active groove, one end of the return spring away from the inner wall of the active groove is fixedly connected with an active block, and a mounting block is fixedly installed on the surface of the active block;

[0008] The elastic plate is fixedly installed on the side wall of the mounting block, the inside of the guide cylinder is provided with a guide groove, the inner wall of the mounting groove is fixedly connected with a fixed block, and the side wall of the mounting block is fixedly installed with a clamping block.

[0009] Preferably, the promoting mechanism comprises a through groove, the through groove is arranged on the arc surface of the mounting block, the inner wall of the through groove is provided with a moving groove, the inner wall of the moving groove is fixedly connected with a straight rod, the inner wall of the moving groove is fixedly connected with a telescopic spring, one end of the telescopic spring away from the inner wall of the moving groove is fixedly connected with a moving block, the surface of the moving block is fixedly installed with a circular rod, the arc surface of the circular rod is movably installed with a roller, the surface of the roller is fixedly installed with a ratchet wheel, the arc surface of the circular rod is fixedly connected with a connecting rod, the lower surface of the connecting rod is fixedly installed with a cylinder, the arc surface of the cylinder is fixedly connected with a torsion spring, one end of the torsion spring away from the arc surface of the cylinder is fixedly connected with the inner wall of the pawl

[0010] Preferably, the side wall of the pawl is provided with a mounting hole, the diameter of the mounting hole is matched with the diameter of the cylinder, and the pawl is sleeved on the surface of the cylinder.

[0011] Preferably, the shape of the movable groove is matched with the shape of the movable block, and the shape of the mounting block is matched with the shape of the mounting groove.

[0012] Preferably, the number of the reset springs is arranged as a plurality of, the plurality of reset springs are fixedly installed on the side wall of the movable block in a circumferential array, and the number of the movable blocks is arranged as a plurality of, and the plurality of movable blocks are arranged in a circumferential array and are uniformly distributed in the inside of the guide cylinder.

[0013] Preferably, the guide groove is in an arc shape, the shape of the guide groove is matched with the shape of the elastic plate, and the positions of the guide groove and the elastic plate are on the same horizontal line.

[0014] Compared with the prior art, the light voltag engineering cable pay-off device has the following beneficial effects:

[0015] 1. The light voltag engineering cable pay-off device, when the cable is broken, the elastic plate on the mounting block moves under the action of the friction strip arranged on the elastic plate, the movable block presses the reset spring, the force of the movable block is buffered, the elastic plate is guided to the center of the guide cylinder under the guidance of the guide groove, the elastic plate is pressed to the cable, the clamping block is clamped to the clamping hole on the surface of the fixed block, the elastic plate is stably fixed to the cable, the pulling force of the subsequent pay-off of the pay-off roller is guaranteed, and the cable is prevented from being dragged on the ground to cause abrasion.

[0016] 2. The photovoltaic engineering cable pay-off device, through the setting of the promoting mechanism, the moving block makes the drum better adhere to the surface of the cable under the action of the extension spring, promotes the stable movement of the cable, when the cable breaks, the cable moves to the opposite place of the pay-off, the drum reverses, the pawl rotates on the surface of the cylinder under the action of the torsion spring, the ratchet clamps the pawl to make the drum unable to rotate, makes the drum sliding friction become contact friction, makes the mounting block can better follow the movement of the cable, the elastic plate is convenient for the fixation of the cable, ensures that the cable is stably fixed, prevents the pay-off roller from weakening the pulling force on the cable, causes the cable to relax. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic diagram of the utility model;

[0018] Figure 2 It is the guide cylinder partial section structure schematic diagram of the utility model;

[0019] Figure 3 It is the guide cylinder partial section structure schematic diagram of the utility model;

[0020] Figure 4 It is the movable block partial structure schematic diagram of the utility model;

[0021] Figure 5 It is the drum partial structure schematic diagram of the utility model;

[0022] Figure 6 It is the round rod partial explosion structure schematic diagram of the utility model.

[0023] In the drawing: 1, support plate; 2, fixed plate; 3, locking mechanism; 301, installation groove; 302, movable slot; 303, reset spring; 304, movable block; 305, mounting block; 306, elastic plate; 307, guide slot; 308, fixed block; 309, clamping block; 4, promoting mechanism; 401, through slot; 402, moving slot; 403, straight rod; 404, extension spring; 405, moving block; 406, round rod; 407, drum; 408, ratchet; 409, connecting rod; 410, cylinder; 411, torsion spring; 412, pawl; 5, pay-off roller; 6, drive motor; 7, guide cylinder. DETAILED DESCRIPTION

[0024] As Figures 1-6The utility model provides a kind of technical scheme shown in the utility model: a kind of pay-off device for photovoltaic engineering cable, including support plate 1, the upper surface of support plate 1 is fixedly installed fixed plate 2, the lateral wall of fixed plate 2 is fixedly installed drive motor 6, the output end of drive motor 6 is fixedly installed pay-off roller 5, the upper surface of support plate 1 is fixedly installed guide cylinder 7, locking mechanism 3 is provided in the inside of guide cylinder 7, promoting mechanism 4 is provided in the inside of guide cylinder 7, locking mechanism 3 includes installation groove 301, movable slot 302, reset spring 303, movable block 304, mounting block 305, elastic plate 306, guide slot 307, fixed block 308, clamping block 309.

[0025] In an embodiment of the utility model, installation groove 301 is opened in the inner wall of guide cylinder 7, movable slot 302 is opened in the inner wall of installation groove 301, reset spring 303 is fixedly installed in the inner wall of movable slot 302, movable block 304 is fixedly connected to the end of reset spring 303 away from the inner wall of movable slot 302, mounting block 305 is fixedly installed on the surface of movable block 304, elastic plate 306 is fixedly installed on the lateral wall of mounting block 305, guide slot 307 is opened in the inside of guide cylinder 7, fixed block 308 is fixedly connected to the inner wall of installation groove 301, clamping block 309 is fixedly installed on the lateral wall of mounting block 305.

[0026] In addition, promoting mechanism 4 includes through groove 401, through groove 401 is opened in the arc surface of mounting block 305, moving groove 402 is opened in the inner wall of through groove 401, straight rod 403 is fixedly connected to the inner wall of moving groove 402, extension spring 404 is fixedly connected to the inner wall of moving groove 402, moving block 405 is fixedly connected to the end of extension spring 404 away from the inner wall of moving groove 402, circular rod 406 is fixedly installed on the surface of moving block 405, roller 407 is movably installed on the arc surface of circular rod 406, ratchet wheel 408 is fixedly installed on the surface of roller 407, connecting rod 409 is fixedly connected to the arc surface of circular rod 406, cylindrical 410 is fixedly installed on the lower surface of connecting rod 409, torsional spring 411 is fixedly connected to the arc surface of cylindrical 410, the inner wall of pawl 412 is fixedly connected to the end of torsional spring 411 away from the arc surface of cylindrical 410, mounting hole is opened in the lateral wall of pawl 412, the diameter of mounting hole is adapted to the diameter of cylindrical 410, pawl 412 is sleeved on the surface of cylindrical 410, moving block 405 is sleeved on the surface of straight rod 403, and extension spring 404 is arranged on the both sides of moving block 405.

[0027] In the embodiment of the utility model, the surface of fixed block 308 is provided with clamping hole, the shape of clamping hole is matched with the shape of clamping block 309, the surface of clamping block 309 is provided with elastic protrusion and is convenient for better clamping, guarantee the stability of elastic plate 306, the shape of movable slot 302 is matched with the shape of movable block 304, the shape of mounting block 305 is matched with the shape of mounting slot 301, the number of reset spring 303 is provided with several, several reset springs 303 are evenly fixed and installed in the side wall of movable block 304 in circumferential array, the number of movable block 304 is provided with several, several movable blocks 304 are evenly distributed and are arranged in the inside of guide cylinder 7 in circumferential array, make movable block 304, mounting block 305 and elastic plate 306 move in the inside of mounting slot 301 stably, guide slot 307 is arc shape, and the shape of guide slot 307 is matched with the shape of elastic plate 306, the position of guide slot 307 and elastic plate 306 is at the same horizontal line, guide slot 307 guides elastic plate 306 to extrude the center of guide cylinder 7 and fix the cable.

[0028] In the utility model, when using, the cable passes through guide cylinder 7, drive motor 6 drives wire roller 5 to rotate and pay off wire, when the cable breaks, the elastic plate 306 on mounting block 305 moves along with the cable under the action of the friction strip arranged on the elastic plate 306, movable block 304 extrudes reset spring 303, buffers the force of mounting block 305 movement, at the same time, the elastic plate 306 is guided under the guide of guide slot 307, the elastic plate 306 is close to the center of guide cylinder 7, extruding the cable, clamping block 309 is clamped to the clamping hole on the surface of fixed block 308, guaranteeing that the elastic plate 306 stably fixes the cable, preventing the subsequent pay-off of wire roller 5 from causing the pulling force to be substandard, resulting in the cable being dragged on the ground and causing wear.

[0029] The movable block 405 makes the roller 407 better adhere to the surface of the cable under the action of the extension spring 404, promoting the stable movement of the cable, when the cable breaks, the cable moves to the opposite place of the pay-off, the roller 407 reverses, the pawl 412 rotates on the surface of the cylinder 410 under the action of the torsion spring 411, the ratchet wheel 408 clamps the pawl 412, so that the roller 407 cannot rotate, making the roller 407 slide friction into contact friction, so that the mounting block 305 can move along with the cable, facilitating the fixation of the elastic plate 306 to the cable, ensuring that the cable is stably fixed, preventing the pulling force of the wire roller 5 on the cable from weakening, causing the cable to relax.

[0030] The above general description of the utility model is detailed, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A pay-off device for photovoltaic engineering cables, comprising a support plate (1), the upper surface of which is fixedly mounted with a fixed plate (2), the side wall of which is fixedly mounted with a drive motor (6), the output end of which is fixedly mounted with a pay-off roller (5), and the upper surface of the support plate (1) is fixedly mounted with a guide cylinder (7), characterized in that: The inside of the guide cylinder (7) is provided with a locking mechanism (3), and the inside of the guide cylinder (7) is provided with a promoting mechanism (4), the locking mechanism (3) comprises: The mounting groove (301) is provided on the inner wall of the guide cylinder (7), the inner wall of the mounting groove (301) is provided with a movable groove (302), the inner wall of the movable groove (302) is fixedly installed with a reset spring (303), one end of the reset spring (303) away from the inner wall of the movable groove (302) is fixedly connected with a movable block (304), and the surface of the movable block (304) is fixedly installed with a mounting block (305). The elastic plate (306) is fixedly installed on the side wall of the mounting block (305), the inside of the guide cylinder (7) is provided with a guide groove (307), the inner wall of the mounting groove (301) is fixedly connected with a fixed block (308), and the side wall of the mounting block (305) is fixedly installed with a clamping block (309).

2. A pay-off device for photovoltaic engineering cables according to claim 1, characterized in that: The promoting mechanism (4) comprises a through groove (401) which is provided on the arc surface of the mounting block (305), the inner wall of the through groove (401) is provided with a moving groove (402), the inner wall of the moving groove (402) is fixedly connected with a straight rod (403), the inner wall of the moving groove (402) is fixedly connected with a telescopic spring (404), one end of the telescopic spring (404) away from the inner wall of the moving groove (402) is fixedly connected with a moving block (405), the surface of the moving block (405) is fixedly installed with a circular rod (406), the arc surface of the circular rod (406) is movably installed with a roller (407), the surface of the roller (407) is fixedly installed with a ratchet wheel (408), the arc surface of the circular rod (406) is fixedly connected with a connecting rod (409), the lower surface of the connecting rod (409) is fixedly installed with a circular cylinder (410), the arc surface of the circular cylinder (410) is fixedly connected with a torsional spring (411), and the inner wall of the torsional spring (411) away from one end of the arc surface of the circular cylinder (410) is fixedly connected with a pawl (412).

3. A pay-off device for photovoltaic engineering cables according to claim 2, characterized in that: The side wall of the pawl (412) is provided with a mounting hole, the diameter of the mounting hole is matched with the diameter of the circular cylinder (410), and the pawl (412) is sleeved on the surface of the circular cylinder (410).

4. A pay-off device for photovoltaic engineering cables according to claim 1, characterized in that: The shape of the movable groove (302) is matched with the shape of the movable block (304), and the shape of the mounting block (305) is matched with the shape of the mounting groove (301).

5. A pay-off device for photovoltaic engineering cables according to claim 1, characterized in that: The number of reset springs (303) is several, and the several reset springs (303) are fixedly installed on the side wall of the movable block (304) in a circumferential array, the number of movable blocks (304) is several, and the several movable blocks (304) are evenly distributed in the inside of the guide cylinder (7) in a circumferential array.

6. A pay-off device for photovoltaic engineering cables according to claim 1, characterized in that: The guide groove (307) is arc-shaped, and the shape of the guide groove (307) is matched with the shape of the elastic plate (306), and the positions of the guide groove (307) and the elastic plate (306) are on the same horizontal line.

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