Cable clamping structure of electric power pole

Abstract

The utility model belongs to the technical field of electric power cable clamping, in particular to a cable clamping structure of an electric power pole, which comprises a positioning base, an overturning shaft and a positioning groove, the overturning shaft is arranged at the upper end of the positioning base, and the positioning groove is arranged on the inner side of the upper end of the positioning base. By arranging the anti-vibration overturning cover, the limiting sliding groove, the connecting column, the spring, the damping sleeve, the ball universal joint and the sliding block, the anti-vibration overturning cover is rotated through the overturning shaft, at the moment, the damping sleeve changes the direction through the ball universal joint, and the sliding block slides in the limiting sliding groove to adapt to the angle change of the anti-vibration overturning cover. And then, after the cable is placed at the position of the positioning groove, the anti-vibration overturning cover is reset and is fixed through the locking bolt. When a power cable at a high position is influenced by wind power and vibrates at high frequency, the spring contracts under the pressure of the two ends and then expands towards the two ends, the push rod moves towards the interior of the damping sleeve, the vibration frequency is reduced through the damping sleeve, and when the spring rebounds, the push rod is disengaged from the damping sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to power cable clamping technical field, concretely to a kind of cable clamping structure of electric pole. BACKGROUND

[0002] The cable of electric pole is the key carrier of electric energy transmission and signal connection, and its core function is to realize low-loss, high-stability current conduction through copper-aluminum conductor or composite material, while adapting to overhead line and underground laying and other multi-scenario requirements. The reliability of electrical connection is ensured by cable clamping and dynamic adjustment technology, and the continuous power supply capability is maintained under complex environments such as thermal expansion and cold contraction, mechanical vibration. Its application covers urban power grid, industrial equipment and remote power transmission network, which not only carries basic power supply, but also ensures safe operation through insulation layer and shielding layer design. It needs to be fixed by cable clamping structure during use.

[0003] The prior art has the following disadvantages: in the prior art with publication number CN217984456U, "a cable clamping structure of electric pole" includes a pole body, a sleeve ring is fixedly connected to the upper surface of the pole body, two installation rods are fixedly installed on the two sides of the sleeve ring, a sliding groove is formed in the top of each installation rod, three independent sliding blocks are slidingly installed in the sliding grooves, a plurality of clamping mechanisms are arranged in the sliding grooves to fix the sliding blocks, two second grooves in the same longitudinal section are formed in the top of each sliding block, a third groove is formed in the top of one side of each sliding block, a rod body is movably inserted into each second groove, a pressing plate is fixedly installed on the top of each rod body, a semicircular groove is formed in the bottom of each pressing plate and the top of each sliding block, a bolt is movably inserted into the top of each pressing plate, and a nut is fixedly installed on the inner wall of the top of each third groove.

[0004] The above structure can conveniently adjust the clamping structure after clamping the cable by setting independent sliding blocks, installation rods, sliding grooves and clamping mechanisms, but the structure uses traditional fixed bolt structure to fix the upper and lower ends of the cable. This method causes the cable at high altitude to be more susceptible to fatigue fracture under local stress due to the lack of buffering capacity of mechanical stress transmission under the influence of wind. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a cable clamping structure of electric pole, which solves the problem of fatigue fracture of cable connection caused by high-frequency vibration under the influence of wind.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cable clamping structure of electric pole, comprising a positioning base, a turnover shaft and a positioning groove, the turnover shaft is arranged on the upper end of the positioning base, and the positioning groove is formed in the inner side of the upper end of the positioning base.

[0007] The upper end of the positioning base is provided with a vibration-proof flip cover, and a damping sleeve is arranged between the positioning base and the vibration-proof flip cover.

[0008] The damping sleeve further comprises a push rod, a sliding block and a ball joint, the push rod is inserted into the damping sleeve, the sliding block is movably connected to the top of the push rod, and the ball joint is movably connected to the bottom of the damping sleeve.

[0009] As a preferred technical scheme of the utility model, the two sides of the sliding block are further provided with rectangular block structures, and the bottom of the ball joint is fixedly installed on the upper end of the positioning base.

[0010] As a preferred technical scheme of the utility model, the vibration-proof flip cover further comprises a limiting sliding groove, a connecting column, a spring and a locking bolt, the limiting sliding groove is opened at the bottom of the upper end of the vibration-proof flip cover, and the top of the connecting column is fixedly connected to the vibration-proof flip cover.

[0011] As a preferred technical scheme of the utility model, the spring is sleeved on the periphery of the connecting column, the locking bolt is sleeved on the bottom end of the connecting column, and the spring always remains between the vibration-proof flip cover and the positioning base after installation.

[0012] As a preferred technical scheme of the utility model, the bottom of the connecting column penetrates the upper end of the positioning base, and the middle part of the positioning base and the vibration-proof flip cover forms a circular hollow groove structure after the connecting column is installed.

[0013] As a preferred technical scheme of the utility model, a strip-shaped groove structure is opened in the inner wall of the two sides of the limiting sliding groove, and the periphery of the rectangular block at the two ends of the sliding block is sleeved.

[0014] As a preferred technical scheme of the utility model, the maximum angle at which the vibration-proof flip cover can rotate through the flip shaft is 35°, and the cable needs to be inserted into the positioning groove through the side end.

[0015] Compared with the prior art, the utility model provides a cable clamping structure of a power pole, which has the following beneficial effects:

[0016] The cable clamping structure of the power pole is characterized in that a vibration-proof turnover cover, a limiting sliding groove, a connecting column, a spring, a damping sleeve, a ball-joint and a sliding block are arranged, when the structure is used, the operator removes the locking bolt, turns the vibration-proof turnover cover through the turnover shaft, at this time, the damping sleeve changes the orientation through the ball-joint and slides in the limiting sliding groove to adapt to the angle change of the vibration-proof turnover cover, then the cable is placed in the position of the positioning groove, the vibration-proof turnover cover is reset and fixed through the locking bolt, when the power cable at a high place is affected by wind force and high-frequency vibration occurs, the spring between the positioning base and the vibration-proof turnover cover is contracted by the pressure at both ends and then expands to both ends, in this process, the push rod moves to the inside of the damping sleeve and reduces the vibration frequency through the damping sleeve, when the spring rebounds, the push rod is separated from the damping sleeve;

[0017] Through the above arrangement and process, when the structure is used, the high-frequency vibration caused by the wind force at a high place can be effectively coped with and the amplitude can be reduced, compared with the fixed installation mode of the bolt body structure, the vibration energy can be absorbed by the deformation assembly, the mechanical stress can be effectively dispersed, the cable fatigue fracture can be avoided and the wind resistance can be enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a push rod and sliding block and limiting sliding groove connection position structure schematic view of the utility model;

[0020] Figure 3 It is a side end structure schematic view of the utility model;

[0021] Figure 4 It is a sliding block and limiting sliding groove connection position horizontal section schematic view of the utility model.

[0022] In the drawing: 1, positioning base; 2, turnover shaft; 3, positioning groove; 4, vibration-proof turnover cover; 401, limiting sliding groove; 402, connecting column; 403, spring; 404, locking bolt; 5, damping sleeve; 501, push rod; 502, sliding block; 503, ball-joint. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] The cable clamping structure of the power pole comprises a positioning base 1, a turnover shaft 2 and a positioning groove 3.

[0025] The upper end of the positioning base 1 is provided with an anti-vibration turnover cover 4, and a damping sleeve 5 is arranged between the positioning base 1 and the anti-vibration turnover cover 4.

[0026] The damping sleeve 5 further comprises a push rod 501, a sliding block 502 and a ball joint 503, the push rod 501 is inserted into the inside of the damping sleeve 5, the sliding block 502 is movably connected to the top of the push rod 501, and the ball joint 503 is movably connected to the bottom of the damping sleeve 5.

[0027] In the embodiment, the two sides of the sliding block 502 are further provided with a rectangular block structure, and the bottom of the ball joint 503 is fixedly installed on the upper end of the positioning base 1; the anti-vibration turnover cover 4 further comprises a limiting sliding groove 401, a connecting column 402, a spring 403 and a locking bolt 404, the limiting sliding groove 401 is formed at the bottom of the upper end of the anti-vibration turnover cover 4, and the top of the connecting column 402 is fixedly connected to the anti-vibration turnover cover 4.

[0028] Specifically, as shown in Figure 1 and Figure 4 , the rectangular block structure on the two sides of the sliding block 502 can keep stable support after the sliding block 502 is embedded in the limiting sliding groove 401, so as to prevent the sliding block 502 from being separated from the inside of the limiting sliding groove 401.

[0029] In the embodiment, the spring 403 is sleeved on the periphery of the connecting column 402, the locking bolt 404 is sleeved on the bottom end of the connecting column 402, and the spring 403 is always kept between the anti-vibration turnover cover 4 and the positioning base 1 after installation; the bottom of the connecting column 402 penetrates the upper end of the positioning base 1, and when the connecting column 402 is installed, the middle part of the positioning base 1 and the anti-vibration turnover cover 4 forms a circular hollow groove structure.

[0030] Specifically, as shown in Figure 2 and Figure 3 , when the connecting column 402 penetrates the upper end of the positioning base 1, the spring 403 is fixed between the positioning base 1 and the anti-vibration turnover cover 4, so that the spring 403 can bear the vibration from the upper and lower sides.

[0031] In the embodiment, a strip-shaped groove structure is formed in the inner walls on the two sides of the limiting sliding groove 401, and is sleeved on the periphery of the rectangular blocks on the two ends of the sliding block 502; the anti-vibration turnover cover 4 can be rotated by an angle of 35° through the turnover shaft 2, and the cable needs to be inserted into the positioning groove 3 through the side end.

[0032] The working principle and use process of the utility model: when the structure is used, the operator removes the locking bolt 404, rotates the anti-vibration turnover cover 4 through the turnover shaft 2, at this time the damping sleeve 5 changes the orientation through the ball head universal joint 503, and the angle change of the anti-vibration turnover cover 4 is adapted through the sliding block 502 sliding in the limiting sliding groove 401. Then the cable is placed in the position of the positioning groove 3, the anti-vibration turnover cover 4 is reset, and is fixed through the locking bolt 404. When the power cable at high place is affected by wind force and high frequency vibration occurs, the spring 403 between the positioning base 1 and the anti-vibration turnover cover 4 is contracted by the pressure of two ends, and then expands to two ends. In this process, the push rod 501 moves to the inside of the damping sleeve 5, and the vibration frequency is reduced through the damping sleeve 5, and when the spring 403 rebounds, the push rod 501 is separated from the damping sleeve 5.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cable clamping structure for a power pole, comprising a positioning base (1), a flipping shaft (2), and a positioning groove (3), wherein the flipping shaft (2) is disposed on the upper end of the positioning base (1), and the positioning groove (3) is formed on the inner side of the upper end of the positioning base (1), characterized in that: The upper end of the positioning base (1) is provided with a vibration-damping flip cover (4), and a damping sleeve (5) is provided between the positioning base (1) and the vibration-damping flip cover (4). The damping sleeve (5) also includes a push rod (501), a slider (502), and a ball joint (503). The push rod (501) is inserted into the damping sleeve (5), the slider (502) is movably connected to the top of the push rod (501), and the ball joint (503) is movably connected to the bottom of the damping sleeve (5).

2. The cable clamping structure for a power pole according to claim 1, characterized in that: The slider (502) is also provided with rectangular block structures on both sides, and the bottom of the ball joint (503) is fixedly installed on the upper end of the positioning base (1).

3. The cable clamping structure for a power pole according to claim 1, characterized in that: The anti-vibration flip cover (4) also includes a limiting slide groove (401), a connecting post (402), a spring (403) and a locking bolt (404). The limiting slide groove (401) is opened at the bottom of the upper end of the anti-vibration flip cover (4), and the top of the connecting post (402) is fixedly connected to the anti-vibration flip cover (4).

4. The cable clamping structure for a power pole according to claim 3, characterized in that: The spring (403) is sleeved around the connecting post (402), and the locking bolt (404) is sleeved at the bottom of the connecting post (402). After installation, the spring (403) is always kept between the anti-vibration flip cover (4) and the positioning base (1).

5. The cable clamping structure for a power pole according to claim 3, characterized in that: The bottom of the connecting column (402) extends through the upper end of the positioning base (1). After the connecting column (402) is installed, the positioning base (1) and the middle part of the anti-vibration flip cover (4) form a circular hollow groove structure.

6. The cable clamping structure for a power pole according to claim 3, characterized in that: The limiting slide (401) has strip-shaped grooves on both sides of its inner wall, and these grooves are fitted around the rectangular blocks at both ends of the slider (502).

7. The cable clamping structure for a power pole according to claim 1, characterized in that: The maximum angle that the anti-vibration flip cover (4) can rotate through the flip shaft (2) is 35°, and the cable needs to be inserted into the positioning groove (3) through the side end.

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