Mountain current collection line cable head protection structure

Abstract

The utility model relates to the field of cable protection, in particular to a mountain current collection line cable head protection structure which comprises a movable cylinder, a sleeve and a fixed cylinder, one end of the sleeve is fixedly connected with one end of the movable cylinder, the other end of the sleeve is provided with a first annular groove, and one end of the movable cylinder is provided with a second annular groove and divides the movable cylinder into an inner cylinder and an outer cylinder. The outer cylinder is in threaded connection with the first annular groove, so that the movable cylinder can stretch out and draw back in the sleeve to adjust the length of the protection structure, the applicability is improved, threaded through holes are formed in the two sides of the fixed cylinder, adjusting screws are installed in the threaded through holes in a threaded mode, and pressing plates are rotationally installed at the ends, located on the inner side of the fixed cylinder, of the adjusting screws through rotating connecting pieces. And the other end of the adjusting screw rod is provided with a plum blossom-shaped rotating handle, so that the adjusting screw rod can be conveniently rotated, the adjusting pressing plate clamps and fixes the cable head, and the cable head can be effectively prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the field of cable protection, in particular to a cable head protection structure for a mountain power collection line. Background Art

[0002] Due to the special requirements of wind farms for environmental conditions, the natural environment around the farms is generally harsh and the geographical location is often remote. Severe weather conditions such as high temperature, severe cold, high wind speed, sandstorms, salt spray, rain, snow, freezing, lightning, etc. have a greater impact on circuit facilities.

[0003] However, the prior art has the following defects:

[0004] The existing cable protection structure cannot be expanded or contracted, and is difficult to protect when facing cable heads of different lengths. Some cable heads may be exposed to the outside and cannot provide protection, resulting in low applicability. In addition, when used for cable heads of different sizes, it cannot be fixed and is easy to fall off, resulting in poor protection effect. Utility Model Content

[0005] The purpose of the utility model is to provide a cable head protection structure for a mountain power collection line to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mountain power collection line cable head protection structure, comprising a movable cylinder, a sleeve and a fixed cylinder, one end of the sleeve is fixedly connected to the inner side of one end of the fixed cylinder, a first annular groove is provided on the inner side of the sleeve away from one end of the fixed cylinder, a second annular groove is provided on the inner side of one end of the movable cylinder and divides one end of the movable cylinder into an inner cylinder and an outer cylinder, the outer cylinder is sleeved inside the first annular groove, the inner cylinder is sleeved inside the sleeve, and pressure plates are installed on both sides of the fixed cylinder by rotating the adjusting screw.

[0007] The above-mentioned technical solution is adopted. The movable tube can be inserted and retracted inside the sleeve to change its length, and can be suitable for cable heads of different lengths. The pressure plates on both sides of the fixed tube can squeeze and clamp the cable head to fix it and prevent it from falling off from the protective structure.

[0008] The inner diameter of the sleeve is the same as that of the fixed cylinder and is larger than the inner diameter of the movable cylinder. The outer diameter of the fixed cylinder is larger than the outer diameter of the sleeve. Several reinforcing plates are evenly fixedly installed between the outer wall of the fixed cylinder and the sleeve. The cross-section shape of the reinforcing plates is a right-angled trapezoid.

[0009] By adopting the above technical solution, the reinforcing plate of the solution plays a role in strengthening the strength of the connection structure between the fixing tube and the sleeve, preventing breakage and damage, and extending the service life.

[0010] The inner wall of the outer ring of the first annular groove is uniformly provided with internal threads, the outer wall of the outer cylinder is provided with external threads, and the outer wall of the outer cylinder is threadedly connected to the inner wall of the first annular groove.

[0011] By adopting the above technical solution, the outer cylinder is threadedly connected to the first annular groove, and the forward and reverse rotation of the movable cylinder can drive it to extend and retract inside the sleeve, thereby adjusting the length of the protective structure and improving applicability.

[0012] The outer wall of the inner cylinder is bonded with a second rubber pad, the outer wall of the inner cylinder is tightly fitted with the inner wall of the sleeve, and the thickness of the outer cylinder is the same as the opening width of the first annular groove.

[0013] By adopting the above technical solution, the second rubber pad plays a protective role, preventing the movable cylinder from wearing and colliding with the sleeve during the rotation and adjustment process.

[0014] The interior of the movable cylinder is evenly provided with a plurality of first reinforcing ribs, the interior of the sleeve is evenly provided with a plurality of second reinforcing ribs, the interior of the fixed cylinder is evenly provided with a plurality of third reinforcing ribs, and the outer walls of the movable cylinder, the sleeve and the fixed cylinder are coated with fire retardant paint and wear-resistant paint in sequence.

[0015] By adopting the above technical solution, the first, second and third reinforcing ribs enhance the overall structural strength, the fire retardant coating and wear-resistant paint enhance the fire resistance and wear resistance, and extend the service life.

[0016] Threaded through holes are provided on both sides of the fixed tube away from one end of the sleeve, and an adjusting screw is threadedly installed inside the threaded through hole. A rotating connecting piece is fixedly installed on one end of the adjusting screw located inside the fixed tube, and the end of the rotating connecting piece away from the adjusting screw is fixedly connected to the middle part of the back side of the pressure plate.

[0017] By adopting the above technical solution, the adjusting screw and the pressing plate are rotatably connected via a rotating connecting piece, which can prevent the pressing plate from rotating with the adjusting screw and being unable to be fixed.

[0018] The pressing plate is arc-shaped, a first rubber pad is bonded to one side of the pressing plate away from the adjusting screw, and a rotating handle is fixedly mounted on one end of the adjusting screw away from the pressing plate, and the rotating handle is plum blossom-shaped.

[0019] The above technical solution is adopted, in which the arc-shaped pressure plate fits the outer wall of the cable head, the first rubber pad plays a buffering and protective role, and the plum blossom-shaped rotating handle is easy to twist.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The movable cylinder of the utility model is threadedly connected to the first annular groove at one end of the sleeve. The length of the protective structure can be adjusted by rotating the movable cylinder in forward and reverse directions, thereby enhancing applicability. Pressure plates are installed inside the two sides of the fixed cylinder through the rotation of the adjusting screw. Rotating the adjusting screw drives the pressure plates to tightly abut against the two sides of the cable head, thereby playing a fixing role and preventing the protective structure from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a front cross-sectional structural diagram of the present utility model;

[0024] Figure 3 This is a schematic diagram of the top view of the fixed cylinder of the utility model;

[0025] Figure 4 This is a schematic diagram of the movable cylinder structure of the present utility model.

[0026] In the figure: 1. movable cylinder; 2. sleeve; 3. fixed cylinder; 4. pressure plate; 5. adjusting screw; 6. rotating handle; 7. reinforcing plate; 8. external thread; 9. first reinforcing rib; 10. first annular groove; 11. second annular groove; 12. second reinforcing rib; 13. inner cylinder; 14. outer cylinder; 15. threaded through hole; 16. third reinforcing rib; 17. rotating connector; 18. first rubber pad; 19. second rubber pad. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-4 The utility model provides a cable head protection structure for a mountain power collection line, including a movable cylinder 1, a sleeve 2 and a fixed cylinder 3. One end of the sleeve 2 is fixedly connected to the inner side of one end of the fixed cylinder 3. A first annular groove 10 is provided on the inner side of the sleeve 2 away from the end of the fixed cylinder 3. A second annular groove 11 is provided on the inner side of one end of the movable cylinder 1 and divides one end of the movable cylinder 1 into an inner cylinder 13 and an outer cylinder 14. The outer cylinder 14 is sleeved inside the first annular groove 10, and the inner cylinder 13 is sleeved inside the sleeve 2. Pressure plates 4 are rotatably installed on both sides of the fixed cylinder 3 through adjusting screws 5. The fixed cylinder 3 is fixedly installed on one end of the sleeve 2, and the movable cylinder 1 is movably installed on the other end.

[0029] The inner diameter of the sleeve 2 is the same as the inner diameter of the fixed cylinder 3 and is larger than the inner diameter of the movable cylinder 1. The outer diameter of the fixed cylinder 3 is larger than the outer diameter of the sleeve 2. Several reinforcing plates 7 are evenly fixedly installed between the outer walls of the fixed cylinder 3 and the sleeve 2. The cross-sectional shape of the reinforcing plate 7 is a right-angled trapezoid, and the two right-angled sides of the reinforcing plate 7 are fixedly connected to the bottom of the fixed cylinder 3 and the side wall of the sleeve 2 respectively.

[0030] The inner wall of the outer ring of the first annular groove 10 is evenly provided with internal threads, and the outer wall of the outer cylinder 14 is provided with external threads 8. The outer wall of the outer cylinder 14 is threadedly connected to the inner wall of the first annular groove 10. The outer wall of the end of the outer cylinder 14 away from the sleeve 2 is evenly provided with a number of vertical convex strips for easy gripping and rotation.

[0031] The outer wall of the inner cylinder 13 is bonded with a second rubber pad 19 , which fits tightly against the inner wall of the sleeve 2 . The thickness of the outer cylinder 14 is the same as the width of the first annular groove 10 . The second rubber pad 19 serves as a buffer and protection.

[0032] A number of first reinforcing ribs 9 are evenly provided inside the movable tube 1, a number of second reinforcing ribs 12 are evenly provided inside the sleeve 2, and a number of third reinforcing ribs 16 are evenly provided inside the fixed tube 3. The outer wall of the movable tube 1, the outer wall of the sleeve 2 and the outer wall of the fixed tube 3 are coated with fire retardant paint and wear-resistant paint in sequence. The first reinforcing ribs 9 and the second reinforcing ribs 12 are annular, and the third reinforcing ribs 16 are vertical bars.

[0033] Threaded through holes 15 are provided on both sides of the fixed cylinder 3 away from the end of the sleeve 2, and an adjusting screw 5 is threadedly installed inside the threaded through hole 15. A rotating connecting piece 17 is fixedly installed on the end of the adjusting screw 5 located inside the fixed cylinder 3. The end of the rotating connecting piece 17 away from the adjusting screw 5 is fixedly connected to the middle part of the back side of the pressure plate 4. Rotating the adjusting screw 5 drives the pressure plate 4 to move left and right inside the fixed cylinder 3.

[0034] The pressing plate 4 is arc-shaped, and a first rubber pad 18 is bonded to the side of the pressing plate 4 away from the adjusting screw 5. A rotating handle 6 is fixedly installed on the end of the adjusting screw 5 away from the pressing plate 4, and the rotating handle 6 is plum blossom-shaped. Holding the rotating handle 6 makes it easier to rotate the adjusting screw 5.

[0035] Working principle: When using the present invention, first install the cable head inside the protective structure, align one end of the cable head with the end of the fixed tube 3 away from the sleeve 2, then pinch the rotating handle 6 and rotate the adjusting screw 5, driving the pressure plate 4 to squeeze into the fixed tube 3 until it is tightly abutted against the side wall of the cable head. The pressure plates 4 on both sides can clamp the fixed cable head to prevent it from falling off from the inside of the protective structure, then hold the convex part at the bottom of the movable tube 1 and rotate it to drive it to expand and contract inside the sleeve 2, adjust it to the appropriate length, and cover the cable head as a whole to play a protective role.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cable head protection structure for a mountainous power collection line, comprising a movable cylinder (1), a sleeve (2) and a fixed cylinder (3), characterized in that: One end of the sleeve (2) is fixedly connected to the inner side of one end of the fixed cylinder (3); a first annular groove (10) is provided on the inner side of one end of the sleeve (2) away from the fixed cylinder (3); a second annular groove (11) is provided on the inner side of one end of the movable cylinder (1) and divides one end of the movable cylinder (1) into an inner cylinder (13) and an outer cylinder (14); the outer cylinder (14) is sleeved inside the first annular groove (10); the inner cylinder (13) is sleeved inside the sleeve (2); and pressure plates (4) are rotatably mounted on both sides of the fixed cylinder (3) through an adjusting screw (5).

2. A cable head protection structure for a mountainous power collection line according to claim 1, characterized in that: The inner diameter of the sleeve (2) is the same as the inner diameter of the fixed cylinder (3) and is larger than the inner diameter of the movable cylinder (1); the outer diameter of the fixed cylinder (3) is larger than the outer diameter of the sleeve (2); a plurality of reinforcing plates (7) are evenly fixedly installed between the outer walls of the fixed cylinder (3) and the sleeve (2); the cross-section of the reinforcing plates (7) is a right-angled trapezoid.

3. The cable head protection structure for a mountain power collection line according to claim 1, characterized in that: The inner wall of the outer ring of the first annular groove (10) is uniformly provided with internal threads, the outer wall of the outer cylinder (14) is provided with external threads (8), and the outer wall of the outer cylinder (14) is threadedly connected to the inner wall of the first annular groove (10).

4. A cable head protection structure for a mountainous power collection line according to claim 1, characterized in that: A second rubber pad (19) is bonded to the outer wall of the inner cylinder (13), the outer wall of the inner cylinder (13) is tightly fitted with the inner wall of the sleeve (2), and the thickness of the outer cylinder (14) is the same as the opening width of the first annular groove (10).

5. The cable head protection structure for a mountain power collection line according to claim 1, characterized in that: The interior of the movable cylinder (1) is uniformly provided with a plurality of first reinforcing ribs (9), the interior of the sleeve (2) is uniformly provided with a plurality of second reinforcing ribs (12), and the interior of the fixed cylinder (3) is uniformly provided with a plurality of third reinforcing ribs (16). The outer wall of the movable cylinder (1), the outer wall of the sleeve (2), and the outer wall of the fixed cylinder (3) are coated with fire retardant paint and wear-resistant paint in sequence.

6. The cable head protection structure for a mountain power collection line according to claim 1, characterized in that: Threaded through holes (15) are provided on both sides of the end of the fixed cylinder (3) away from the sleeve (2), and an adjusting screw (5) is threadedly installed inside the threaded through hole (15). A rotating connecting member (17) is fixedly installed on one end of the adjusting screw (5) located inside the fixed cylinder (3), and the end of the rotating connecting member (17) away from the adjusting screw (5) is fixedly connected to the middle of the back of the pressure plate (4).

7. A cable head protection structure for a mountain power collection line according to claim 6, characterized in that: The pressing plate (4) is arc-shaped, a first rubber pad (18) is bonded to the side of the pressing plate (4) away from the adjusting screw (5), and a rotating handle (6) is fixedly mounted on the end of the adjusting screw (5) away from the pressing plate (4), and the rotating handle (6) is plum blossom-shaped.

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