A line transmission device for power transmission and transformation projects

Abstract

This utility model relates to the field of power transmission and transformation engineering technology; and discloses a line conveying device for power transmission and transformation engineering, including a base, a bracket fixedly connected to the outer surface of one upper end of the base, a cable cylinder sleeved on the outer surface of the upper end of the bracket, and a speed limiting structure provided on the outer surface of one upper end of the bracket, and an adjustment structure provided on the outer surface of the other upper end of the base. This utility model, by rotating a second lead screw, causes a second movable seat to move to the left or right relative to the outer surface of the second lead screw, and causes a second pulley to move synchronously to the left or right relative to the outer surface of the upper end of the first movable seat. This allows for adjustment of the distance between the first and second pulleys according to requirements, thereby enabling the clamping of cables of different sizes and specifications. Therefore, this device can adapt to most cable sizes and specifications, improving its applicability to a certain extent.

Description

Technical Field

[0001] This utility model relates to the field of power transmission and transformation engineering technology; more specifically, it relates to a line transmission device for power transmission and transformation engineering. Background Technology

[0002] Photovoltaic power transmission and transformation engineering transmission line equipment is a specialized device designed for the external transmission of power from photovoltaic power generation systems such as centralized photovoltaic power plants and distributed photovoltaic arrays. It is mainly used to convert the direct current generated by photovoltaic modules into alternating current (AC) through an inverter, and then transmit it to a step-up substation or grid connection point via overhead lines or cables. Its core function is to ensure the safety, stability, and efficiency of photovoltaic power transmission, while adapting to the "distributed layout, centralized grid connection" characteristics of photovoltaic power plants.

[0003] Currently, existing transmission devices often suffer from several drawbacks during operation. Firstly, the passive traction speed of the cable can lead to uncontrolled cable release, potentially causing excessive slack, wear, and breakage. This reduces the device's practicality. Secondly, most existing devices can only accommodate cables of a single size, making them unsuitable for cables of different sizes, further limiting their applicability. Therefore, a new transmission line device for power transmission and transformation projects is urgently needed to address these issues. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a line transmission device for power transmission and transformation projects to solve the problems existing in the background art.

[0005] This utility model provides the following technical solution: a line transmission device for power transmission and transformation projects, comprising: The base has a bracket fixedly connected to the outer surface of one upper end, and a cable tube is sleeved on the outer surface of the upper end of the bracket. A speed limiting structure is provided on the outer surface of one upper end of the bracket, and an adjustment structure is provided on the outer surface of the other upper end of the base. The speed limiting structure includes a sleeve, and the outer surface of one end of the sleeve is fixedly connected to the outer surface of the upper end of one end of the bracket. The adjustment structure includes a movable groove, and the bottom surface of the movable groove is fixedly connected to the outer surface of the other end of the upper part of the base.

[0006] Preferably, the speed limiting structure further includes a threaded rod, one end of which is threaded to the inside of the outer surface of one end of the sleeve. A friction head is connected to the inner bearing of the outer surface of one end of the threaded rod. A friction groove is formed inside the outer surface of one end of the cable drum. This design allows one end of the friction head to gradually press against the inside of the friction groove by rotating the threaded rod.

[0007] Preferably, the friction head is made of rubber, and the external dimensions of one end of the friction head are adapted to the internal dimensions of the friction groove. This design can buffer the rotation speed of the cable drum through the friction and elasticity of the friction head material itself.

[0008] Preferably, the adjustment structure further includes a first motor, which is mounted on the outer surface of one end of the moving groove. The output end of the first motor is fixedly connected to a first lead screw. The two ends of the first lead screw are connected to the interior of the outer surfaces of both ends of the moving groove by bearings. A first moving seat is sleeved on the outer surface of the first lead screw. A second motor is mounted on the outer surface of one end of the first moving seat. A rotating rod is fixedly connected to the output end of the second motor. A first bevel gear is fixedly connected to the outer surface of one end of the rotating rod. A second bevel gear is meshed with the outer surface of one side of the first bevel gear. A first pulley is fixedly connected to the outer surface of the upper end of the second bevel gear. A movable groove is opened inside the outer surface of the other end of the upper part of the moving groove. A second lead screw is connected to the interior of the movable groove by bearings. A second moving seat is sleeved on the outer surface of the second lead screw. A second pulley is connected to the outer surface of the upper end of the second moving seat by bearings. This design allows the first moving seat to move left or right inside the moving groove.

[0009] Preferably, the internal dimensions of the movable slot are adapted to the external dimensions of the first movable seat, which makes the first movable seat more stable when moving inside the movable slot.

[0010] Preferably, the internal dimensions of the movable slot are adapted to the external dimensions of the lower end of the second movable seat. This design ensures that the second movable seat is not obstructed by the movable slot when it moves inside the movable slot.

[0011] The technical effects and advantages of this utility model are as follows: By rotating the threaded rod, one end of the friction head can be gradually pressed against the inside of the friction groove, thereby controlling the rotation speed of the cable drum and avoiding the loss of control when the cable is being transported outward. This also prevents the cable from becoming excessively loose, worn, and broken due to excessive extension, thus improving the practicality of the device to a certain extent. By rotating the second lead screw, the second movable seat moves to the left or right relative to the outer surface of the second lead screw, and the second pulley moves synchronously to the left or right relative to the outer surface of the upper end of the first movable seat. This allows the distance between the first and second pulleys to be adjusted as needed, enabling the clamping of cables of different sizes and specifications. As a result, this device can be adapted to most sizes and specifications of cables, improving its applicability to a certain extent. Moreover, its overall structure is simple and reasonable in design, highly practical, and easy to promote and apply. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is a three-dimensional exploded view of the speed-limiting structure of this utility model.

[0014] Figure 3 This is a partial three-dimensional structural diagram of the adjustment structure of this utility model.

[0015] Figure 4 This utility model Figure 3 Enlarged diagram of point A in the middle.

[0016] The attached figures are labeled as follows: 1. Base; 2. Bracket; 3. Cable drum; 4. Speed ​​limiting structure; 41. Sleeve; 42. Threaded rod; 43. Friction head; 44. Friction groove; 5. Adjustment structure; 51. Moving groove; 52. First motor; 53. First lead screw; 54. First moving seat; 55. Second motor; 56. Rotating rod; 57. First bevel gear; 58. Second bevel gear; 59. First pulley; 510. Movable groove; 511. Second lead screw; 512. Second moving seat; 513. Second pulley. Detailed Implementation

[0017] 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 power transmission and transformation engineering 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.

[0018] Example 1 like Figures 1-4 As shown in the figure, this embodiment proposes a line transmission device for power transmission and transformation projects, including: The base 1 has a bracket 2 fixedly connected to the outer surface of one upper end of the base 1, and a cable tube 3 is sleeved on the outer surface of the upper end of the bracket 2. A speed limiting structure 4 is provided on the outer surface of one upper end of the bracket 2, and an adjustment structure 5 is provided on the outer surface of the other upper end of the base 1. The speed limiting structure 4 includes a sleeve 41, and the outer surface of one end of the sleeve 41 is fixedly connected to the outer surface of the upper end of one end of the bracket 2. The speed limiting structure 4 also includes a threaded rod 42, and one end of the threaded rod 42 is threadedly connected to the inside of the outer surface of one end of the sleeve 41. A friction head 43 is connected to the bearing inside the outer surface of one end of the threaded rod 42. A friction groove 44 is opened inside the outer surface of one end of the cable drum 3. The friction head 43 is made of rubber, and the external dimensions of one end of the friction head 43 are matched with the internal dimensions of the friction groove 44.

[0019] In this embodiment, the design reduces the rotation speed of the cable drum 3 by utilizing the good friction properties of the friction head 43 material itself. Furthermore, this design makes it more stable when one end of the friction head 43 is inserted into the friction groove 44, thereby increasing the friction force of the friction head 43. This prevents the cable drum 3 from rotating too fast, which could cause the cable to extend excessively outward. Consequently, it can prevent the cable from becoming excessively loose, worn, or broken.

[0020] Example 2 like Figure 3 and Figure 4 As shown, based on the same concept as the above embodiments, this embodiment also proposes: The adjustment structure 5 includes a movable groove 51, the bottom surface of which is fixedly connected to the outer surface of the other end of the upper part of the base 1. The adjustment structure 5 also includes a first motor 52, which is mounted on the outer surface of one end of the movable groove 51. The output end of the first motor 52 is fixedly connected to a first lead screw 53. The two ends of the first lead screw 53 are connected to the interior of the outer surfaces of both ends of the movable groove 51 by bearings. A first movable seat 54 is sleeved on the outer surface of the first lead screw 53. A second motor 55 is mounted on the outer surface of one end of the first movable seat 54. A rotating rod 56 is fixedly connected to the output end of the second motor 55. A first cone is fixedly connected to the outer surface of one end of the rotating rod 56. The first bevel gear 57 has a bevel gear 58 meshing with the outer surface of one side of the first bevel gear 57, and a first pulley 59 is fixedly connected to the outer surface of the upper end of the second bevel gear 58. The upper end of the moving groove 51 has a movable groove 510 inside the outer surface of the other end, and a second lead screw 511 is connected to the inner bearing of the movable groove 510. A second movable seat 512 is sleeved on the outer surface of the second lead screw 511, and a second pulley 513 is connected to the outer surface of the upper end of the second movable seat 512. The internal dimensions of the moving groove 51 are adapted to the external dimensions of the first movable seat 54, and the internal dimensions of the movable groove 510 are adapted to the external dimensions of the lower end of the second movable seat 512. In this embodiment, the design makes the first movable seat 54 more stable when it moves inside the movable groove 51, and avoids the first movable seat 54 from detaching from the movable groove 51 when it moves inside the movable groove 51. The design also makes the second movable seat 512 more stable when it moves inside the movable groove 510, and avoids the second movable seat 512 from being blocked by the movable groove 510 when it moves inside the movable groove 510. This makes the second pulley 513 more stable when it moves on the outer surface of the upper end of the first movable seat 54.

[0021] Working Principle: When using the device, first place it in a suitable position. Place the cable on the outer surface of the upper end of the first movable seat 54. Then, rotate the second lead screw 511, causing the second movable seat 512 to move outwards or inwards relative to the outer surface of the second lead screw 511. Simultaneously, the second pulley 513 moves synchronously with the outer surface of the upper end of the first movable seat 54, thus clamping the cable inside the first pulley 59 and the second pulley 513. Next, start the second motor 55, causing its output to drive the rotating rod 56 to rotate. The rotating rod 56 then drives the first bevel gear 57 to rotate, which in turn drives the second bevel gear 58 to rotate. This causes the first pulley 59 to rotate synchronously, thereby pulling the cable outwards. During the cable conveying process, the first motor 52 can be started, causing the output end of the first motor 52 to drive the first lead screw 53 to rotate, and causing the first moving seat 54 to move to the left or right of the outer surface of the first lead screw 53. Thus, the position of the first moving seat 54 can be adjusted according to the cable conveying position. When the cable is about to be conveyed, the threaded rod 42 can be rotated, causing one end of the friction head 43 to abut against the inside of the friction groove 44, thereby reducing the rotation speed of the cable drum 3. By gradually rotating the threaded rod 42, the friction head 43 gradually abuts against the inside of the friction groove 44, thereby gradually slowing down and stopping the rotation speed of the cable drum 3. This can prevent the cable from extending too far outward, which could lead to excessive slack, wear, or breakage of the cable. The above is the complete working principle of this utility model.

[0022] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change. Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other. In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A line conveying device for power transmission and distribution works, characterized by comprising: include: The base (1) has a bracket (2) fixedly connected to the outer surface of one upper end of the base (1), and a cable tube (3) is sleeved on the outer surface of the upper end of the bracket (2). A speed limiting structure (4) is provided on the outer surface of one upper end of the bracket (2), and an adjustment structure (5) is provided on the outer surface of the other upper end of the base (1). The speed limiting structure (4) includes a sleeve (41), and the outer surface of one end of the sleeve (41) is fixedly connected to the outer surface of the upper end of one end of the bracket (2); The adjustment structure (5) includes a moving groove (51), and the bottom surface of the moving groove (51) is fixedly connected to the outer surface of the other end of the upper part of the base (1).

2. A line conveyor for power transmission projects as claimed in claim 1, wherein: The speed limiting structure (4) also includes a threaded rod (42), and one end of the threaded rod (42) is threaded to the inside of the outer surface of one end of the sleeve (41). The inner bearing of the outer surface of one end of the threaded rod (42) is connected to a friction head (43), and a friction groove (44) is opened inside the outer surface of one end of the cable drum (3).

3. A line conveyor for power transmission projects as claimed in claim 2, wherein: The friction head (43) is made of rubber, and the external dimensions of one end of the friction head (43) are adapted to the internal dimensions of the friction groove (44).

4. The line transmission device for power transmission project according to claim 1, characterized in that: The adjustment structure (5) further includes a first motor (52), which is mounted on the outer surface of one end of the moving groove (51). The output end of the first motor (52) is fixedly connected to a first lead screw (53). The two ends of the first lead screw (53) are connected to the interior of the outer surfaces of both ends of the moving groove (51) by bearings. A first moving seat (54) is sleeved on the outer surface of the first lead screw (53). A second motor (55) is mounted on the outer surface of one end of the first moving seat (54). A rotating rod (56) is fixedly connected to the output end of the second motor (55). The outer surface of one end of the rotating rod (56) is... A first bevel gear (57) is fixedly connected to the surface of the first bevel gear (57). A second bevel gear (58) is meshed with the outer surface of one side of the first bevel gear (57). A first pulley (59) is fixedly connected to the outer surface of the upper end of the second bevel gear (58). A movable groove (510) is opened inside the outer surface of the other end of the upper end of the movable groove (51). A second lead screw (511) is connected to the inner bearing of the movable groove (510). A second movable seat (512) is sleeved on the outer surface of the second lead screw (511). A second pulley (513) is connected to the outer surface of the upper end of the second movable seat (512).

5. A line conveyor for power transmission projects as claimed in claim 4, wherein: The internal dimensions of the movable slot (51) are adapted to the external dimensions of the first movable seat (54).

6. A line conveyor for power transmission projects as claimed in claim 4, wherein: The internal dimensions of the movable slot (510) are adapted to the external dimensions of the lower end of the second movable seat (512).

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