Tensioning device for power cable installation

Through the combined design of support columns, rotating shafts and damping connecting rods, the problem of inaccurate tension control of traditional power cable installation devices is solved, precise tensioning and stable fixing of the cable is achieved, and the safety and reliability of cable installation are improved.

CN223297319UActive Publication Date: 2025-09-02GUANGDONG NANAL BUILDING FORMWORK TECH CO LTD
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Patent Information

Application Number
CN202422310218.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-02
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The tension control of traditional power cable installation tension devices is not accurate, which may lead to deviations in cable length, which may lead to cable breakage in severe cases. For cables of different specifications, traditional tensioning methods are difficult to operate and the binding method is more arbitrary, which makes it difficult to ensure the firmness of the cable end binding, which is easy to loosen and fall off, posing safety hazards.

Method used

The design of movable connection between the support column and the rotary shaft is adopted. Through the cooperation of the support column and the damping connecting rod, the precise tension and fixing of the cable is achieved. The fixing ring is fixed with bolts and nuts to ensure the stability of the cable. The movable connection of the support ring is convenient for the insertion and fixation of the cable, and the threaded connection of the fixing holes and the cable connection frame are connected to the stable installation of the device.

Benefits of technology

Accurate tensioning of the cable is achieved, preventing the cable from sagging, ensuring the stability and safety of the cable, simplifying the operation process of cables of different specifications, and improving the safety and reliability of cable installation.

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Abstract

The utility model discloses a tensioning device for power cable installation, which relates to the technical field of power cable tensioning, and comprises a tensioning fixing plate, the top of the tensioning fixing plate is fixedly connected with a fixing column, the outer side of the fixing column is fixedly connected with fixing rings, and the outer side of one group of fixing rings is fixedly connected with a connecting plate. The supporting column is movably connected with the first rotating shaft, the effect of adjusting the angle of the supporting column is achieved, the effect that a cable is lifted through the first supporting ring and the second supporting ring is achieved, the damping connecting rod movably connected between the supporting column and the tensioning fixing plate passively stretches out and draws back along with rotation of the supporting column, and the effect of supporting the supporting column is achieved; according to the cable fixing device, the two sets of fixing rings are fixed through bolts, the effect of fixing the supporting column is achieved, the effect of fixing the cable is achieved through movable connection of the first supporting ring and the second supporting ring on the supporting column, and therefore the effect of preventing the cable from loosening and drooping is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of power cable tensioning, in particular to a tensioning device for power cable installation. Background Art

[0002] With the rapid development of the power industry, power cables, as the key medium for transmitting electric energy, have a direct impact on the stability and safety of the entire power system due to their installation quality and operating status. During the installation of power cables, proper tensioning is particularly important to ensure the normal operation of the cables and extend their service life. Cables can be divided into transmission cables, distribution cables, control cables, etc. according to their use. The tensioning requirements of each type of cable are also different, so the requirements for tensioning devices are also different.

[0003] The tensioning device for power cable installation is a tool specially designed to provide appropriate tension during the cable laying process. These devices can ensure that the cable maintains appropriate tension during installation, avoiding cable relaxation due to insufficient tension or cable damage caused by excessive tension. The working principle of the tensioning device for power cable installation involves the use of a gravity tensioning mechanism. This device includes a lower half shell and an upper half shell. The upper half shell is equipped with a gravity tensioning mechanism, which is connected to the cable. During installation, the device can quickly detect whether the cable has reached the required tension, thereby improving installation efficiency. In long-term operation, the device can also monitor the tension and detect problems in a timely manner to avoid greater losses and safety risks to the cable.

[0004] In the existing technology, the tension control of traditional tensioning devices for power cable installation is not accurate, which may cause deviations in cable length and even cable breakage in severe cases. For cables of different specifications, the traditional tensioning method may be difficult to operate, and the bundling method is relatively arbitrary, resulting in difficulty in ensuring the firmness of the cable end bundling, which is easy to loosen and fall off, posing a safety hazard. In this regard, we propose a tensioning device for power cable installation. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a tensioning device for power cable installation to solve the problem that the tension control of traditional tensioning devices for power cable installation is inaccurate, which may cause deviations in cable length and even cable breakage in severe cases. For cables of different specifications, the traditional tensioning method may be difficult to operate and the bundling method is relatively arbitrary, resulting in difficulty in ensuring the firmness of the cable end bundling, and easy loosening and falling off, posing a safety hazard.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a tensioning device for installing a power cable, comprising a tensioning fixing plate, a fixing column fixedly connected to the top of the tensioning fixing plate, a fixing ring fixedly connected to the outer side of the fixing column, one group of the fixing rings fixedly connected to the outer side of a connecting plate, fixed plates fixedly connected to both ends of the connecting plate, a support column movably connected between the two groups of fixing plates, one end of the support column fixedly connected to a first support ring, and a damping connecting rod movably connected between the tensioning fixing plate and the support column.

[0007] By adopting the above technical solution, the support column and the first rotating shaft are movably connected to each other, so as to achieve the effect of adjusting the angle of the support column, thereby achieving the effect of the first support ring and the second support ring lifting the cable, and the damping connecting rod movably connected between the support column and the tensioning fixing plate passively retracts and contracts as the support column rotates, thereby achieving the effect of supporting the support column, thereby achieving the effect of fixing the cable, and fixing the two sets of fixing rings by bolts to achieve the effect of fixing the support column, and achieving the effect of fixing the cable by movably connecting the first support ring and the second support ring on the support column, thereby achieving the effect of preventing the cable from sagging.

[0008] Furthermore, the two groups of fixed plates are fixedly connected with a first rotating shaft, and the first rotating shaft is movably connected to the support column.

[0009] By adopting the above technical solution, the first rotating shaft is fixed by two sets of fixing plates, and the supporting column rotates on the first rotating shaft to adjust the angle to support the cable.

[0010] Furthermore, one side of the first support ring is movably connected to the second support ring, and the first support ring and the second support ring are movably connected via a second rotating shaft.

[0011] By adopting the above technical solution, the cable is fixed by the cooperation of the first support ring and the second support ring, and the second support ring can be rotated by the second rotating shaft, so that the cable is easily placed in the first support ring.

[0012] Furthermore, a third rotating shaft is fixedly connected to one side of the tensioning and fixing plate, and a first connecting ring is movably connected to the outer side of the third rotating shaft.

[0013] By adopting the above technical solution, the position of the first connecting ring is fixed by the third rotating shaft, the first connecting ring rotates on the third rotating shaft, and the first connecting ring is fixedly connected to one end of the damping connecting rod.

[0014] Furthermore, a fourth rotating shaft is fixedly connected to the bottom of the support column, and a second connecting ring is movably connected to the outer side of the fourth rotating shaft.

[0015] By adopting the above technical solution, the position of the second connecting ring is fixed by the fourth rotating shaft, the second connecting ring rotates on the fourth rotating shaft, and the second connecting ring is fixedly connected to one end of the damping connecting rod.

[0016] Furthermore, the two sets of fixing rings are fixedly connected by bolts at four corners, and nuts are fixedly connected at both ends of the bolts.

[0017] By adopting the above technical solution, the two sets of fixing rings are fixed by bolts, and the nuts at both ends of the bolts make the two sets of fixing rings fit together.

[0018] Furthermore, fixing holes are provided at four corners of the tensioning and fixing plate, and threads are provided inside the fixing holes.

[0019] By adopting the above technical solution, the tensioning fixing plate is fixed to the cable connection frame through the fixing holes, so that the supporting column can support the cable.

[0020] In summary, the present invention has the following beneficial effects:

[0021] 1. The utility model achieves the function of adjusting the angle of the support column by movably connecting the support column and the first rotating shaft, thereby achieving the effect of the first support ring and the second support ring lifting the cable, and the damping connecting rod movably connected between the support column and the tensioning fixing plate passively retracts and contracts as the support column rotates, thereby achieving the function of supporting the support column and thus achieving the effect of fixing the cable.

[0022] 2. The utility model fixes the two sets of fixing rings by bolts, thereby achieving the function of fixing the support column, and the first support ring and the second support ring on the support column are movably connected to each other to achieve the function of fixing the cable, thereby preventing the cable from loosening and sagging. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the fixing ring portion of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the damping connecting rod portion of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the support column of the utility model;

[0027] Figure 5 This is a partial structural diagram of the support ring of the utility model.

[0028] In the figure: 1. Tensioning fixing plate; 2. Fixing column; 3. Fixing ring; 4. Connecting plate; 5. Fixing plate; 6. First rotating shaft; 7. Support column; 8. First supporting ring; 9. Second supporting ring; 10. Second rotating shaft; 11. Damping connecting rod; 12. Third rotating shaft; 13. First connecting ring; 14. Fourth rotating shaft; 15. Second connecting ring; 16. Fixing hole; 17. Bolt. DETAILED DESCRIPTION

[0029] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] The following describes an embodiment of the present invention based on its overall structure.

[0031] A tensioning device for power cable installation, such as Figure 1-5 As shown, it includes a tensioning fixed plate 1, a fixed column 2 is fixedly connected to the top of the tensioning fixed plate 1, a fixed ring 3 is fixedly connected to the outside of the fixed column 2, one group of fixed rings 3 is fixedly connected to the outside of a connecting plate 4, and both ends of the connecting plate 4 are fixedly connected to fixed plates 5. A support column 7 is movably connected between the two groups of fixed plates 5, and one end of the support column 7 is fixedly connected to a first support ring 8. A damping connecting rod 11 is movably connected between the tensioning fixed plate 1 and the support column 7.

[0032] See also Figure 1 and Figure 4 The two sets of fixed plates 5 are fixedly connected with the first rotating shaft 6, and the first rotating shaft 6 is movably connected to the support column 7. By setting the above structure, the utility model fixes the first rotating shaft 6 through the two sets of fixed plates 5, and the support column 7 rotates on the first rotating shaft 6 to adjust the angle of support cable.

[0033] See also Figure 1 、 Figure 4 and Figure 5 A second support ring 9 is movably connected to one side of the first support ring 8, and the first support ring 8 and the second support ring 9 are movably connected through a second rotating shaft 10. By setting the above structure, the utility model fixes the cable through the cooperation of the first support ring 8 and the second support ring 9, and the second support ring 9 can be rotated by the second rotating shaft 10, which facilitates the placement of the cable into the first support ring 8.

[0034] See also Figure 1 、 Figure 2 and Figure 3A third rotating shaft 12 is fixedly connected to one side of the tensioning fixed plate 1, and a first connecting ring 13 is movably connected to the outer side of the third rotating shaft 12. By setting the above structure, the utility model fixes the position of the first connecting ring 13 by the third rotating shaft 12, and the first connecting ring 13 rotates on the third rotating shaft 12. The first connecting ring 13 is fixedly connected to one end of the damping connecting rod 11.

[0035] See also Figure 1 、 Figure 3 and Figure 4 The bottom of the support column 7 is fixedly connected to a fourth rotating shaft 14, and the outer side of the fourth rotating shaft 14 is movably connected to a second connecting ring 15. By setting the above structure, the utility model fixes the position of the second connecting ring 15 by the fourth rotating shaft 14, and the second connecting ring 15 rotates on the fourth rotating shaft 14. The second connecting ring 15 is fixedly connected to one end of the damping connecting rod 11.

[0036] See also Figure 1 and Figure 2 The two sets of fixing rings 3 are fixedly connected by bolts 17 at the four corners, and nuts are fixedly connected at both ends of the bolts 17. By setting the above structure, the utility model fixes the two sets of fixing rings 3 by bolts 17, and the nuts at both ends of the bolts 17 make the two sets of fixing rings 3 fit together.

[0037] See also Figure 1 and Figure 2 The four corners of the tensioning fixing plate 1 are provided with fixing holes 16, and the inner side of the fixing holes 16 is provided with threads. By setting the above structure, the utility model fixes the tensioning fixing plate 1 on the cable connection frame through the fixing holes 16, so that the support column 7 supports the cable.

[0038] The working principle of the utility model is as follows: when in use, fix the fixing ring 3 on the fixing column 2, then fix the tensioning fixing plate 1 on the cable connection frame, rotate the second support ring 9 to put the cable on the first support ring 8, rotate the second support ring 9 to the initial position, and ensure that the first support ring 8 and the second support ring 9 cooperate to fix the cable;

[0039] Rotate the support column 7 to lift the cable so that the cable reaches the appropriate position. At this time, the damping connecting rod 11 extends to fix the support column 7 in the specified position to prevent the cable from sagging. When the cable becomes loose again after long-term use, the staff adjusts the angle of the support column 7 again to make the cable reach a usable height again.

[0040] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A tensioning device for installing a power cable, comprising a tensioning fixing plate (1), characterized in that: The top of the tensioning fixing plate (1) is fixedly connected to a fixing column (2), the outer side of the fixing column (2) is fixedly connected to a fixing ring (3), one group of the fixing rings (3) is fixedly connected to the outer side of a connecting plate (4), both ends of the connecting plate (4) are fixedly connected to fixing plates (5), a support column (7) is movably connected between the two groups of fixing plates (5), one end of the support column (7) is fixedly connected to a first supporting ring (8), and a damping connecting rod (11) is movably connected between the tensioning fixing plate (1) and the support column (7).

2. The tensioning device for power cable installation according to claim 1, characterized in that: The two groups of fixed plates (5) are fixedly connected with a first rotating shaft (6), and the first rotating shaft (6) is movably connected to the supporting column (7).

3. The tensioning device for power cable installation according to claim 1, characterized in that: One side of the first support ring (8) is movably connected to the second support ring (9), and the first support ring (8) and the second support ring (9) are movably connected via a second rotating shaft (10).

4. The tensioning device for power cable installation according to claim 1, characterized in that: One side of the tensioning and fixing plate (1) is fixedly connected to a third rotating shaft (12), and the outer side of the third rotating shaft (12) is movably connected to a first connecting ring (13).

5. The tensioning device for power cable installation according to claim 1, characterized in that: The bottom of the support column (7) is fixedly connected to a fourth rotating shaft (14), and the outer side of the fourth rotating shaft (14) is movably connected to a second connecting ring (15).

6. The tensioning device for power cable installation according to claim 1, characterized in that: The two sets of fixing rings (3) are fixedly connected by bolts (17) at four corners, and nuts are fixedly connected at both ends of the bolts (17).

7. The tensioning device for power cable installation according to claim 1, characterized in that: The four corners of the tensioning and fixing plate (1) are provided with fixing holes (16), and the inner sides of the fixing holes (16) are provided with threads.