CN219164199U

CN219164199U - Lead sealing anti-drop device for cable

Info

Publication number: CN219164199U
Application number: CN202223251617.XU
Authority: CN
Inventors: 徐稣; 丁亚平; 宋佳坤; 吴松光; 潘伟勋
Original assignee: Jiangsu Yuanhang Power Cable Accessories Co ltd
Current assignee: Jiangsu Yuanhang Power Cable Accessories Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-09
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a lead sealing anti-drop device for a cable, which relates to the technical field of cables and comprises a cable, a fixing assembly and a sealing assembly, wherein a lead sealing layer is arranged on the outer peripheral side of a terminal of the cable. According to the utility model, the first arc cover and the second arc cover are sleeved on the outer side of the lead sealing layer, the grounding wire is clamped into the first arc cover, the second arc cover and the second arc groove formed in the mounting block, when the mounting block and the arc block are fixed, the sliding plate is made to move to convey gas in the first air bag to the inside of the second air bag, so that the sliding plate is expanded to drive the clamping block to move towards the direction of the second arc groove to clamp and seal the grounding wire, then the sealing performance of the connecting of the mounting block and the arc block is ensured through the second sealing layer, the sealing performance of the grounding wire is greatly improved, external rainwater is prevented from entering the inside of the mounting block and the arc block, corrosion and corrosion of the grounding wire are prevented from being generated for a long time, and the service life of the grounding wire is further prolonged.

Description

Lead sealing anti-drop device for cable

Technical Field

The utility model relates to the technical field of cables, in particular to a lead sealing anti-falling device for a cable.

Background

With the development of the power industry and the construction requirement of urban construction, the power cable has been widely applied in the field of power transmission and distribution with excellent electrical performance, and nowadays, the power cable is not only used in urban distribution network systems, but also used in the fields of urban power transmission, water and electricity delivery, submarine power transmission and the like in response to the diversification of power generation and power transmission modes, and the high-voltage cable has been widely applied.

When the existing lead sealing structure for the cable is used, the lead sealing structure can be subjected to external strong wind climate and gravity action factors thereof in the operation of the cable, so that the lead sealing structure is subjected to tension and vibration, and the lead sealing structure is easily cracked or falls off for a long time, so that the grounding stability of the lead sealing structure is influenced, and certain improvement is needed.

Disclosure of Invention

The utility model aims to provide a lead sealing anti-falling device for a cable, which can realize the function of protecting a lead sealing structure of the cable and preventing the lead sealing structure from falling off due to climate reasons and physical reasons.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a lead seal anti-drop device for cable, includes cable, fixed subassembly and seal assembly, the terminal periphery side of cable is provided with the lead seal, the both sides of lead seal all are provided with the earth connection, and the earth connection deviates from the one side of lead seal and is provided with the installation piece, the periphery side of installation piece is provided with the arc piece, the top of arc piece is provided with second arc cover and first arc cover respectively, second arc cover and first arc cover symmetry set up in the periphery side of lead seal, the bottom of second arc cover and first arc cover respectively with installation piece fixed connection;

the sealing assembly comprises a first spring, the first spring is arranged in a first inner cavity formed in the arc-shaped block, the other side of the first spring is fixedly connected with a sliding plate, one side of the sliding plate, which is opposite to the first spring, is fixedly connected with a first air bag, and the other side of the first air bag is fixedly connected with the inner side wall of the arc-shaped block.

Further, one side of the first air bag is communicated with an air conveying pipe, the other end of the air conveying pipe is communicated with a second air bag, and the second air bag is located in a second inner cavity formed by the arc-shaped block.

Further, the other side of the second air bag is fixedly connected with a clamping block, and the clamping block is arranged in the second inner cavity in a sliding mode.

Further, the inside wall that the clamp block deviates from second gasbag one side has seted up first arc recess, and the inside fixedly connected with arc sealing pad of first arc recess.

Further, the second draw-in groove has all been seted up to the both sides of pressing from both sides tight piece, and the inside of second draw-in groove is provided with the arc fixture block, one side fixedly connected with a plurality of second springs that the arc fixture block deviates from the second draw-in groove.

Further, one side of the second spring deviating from the arc-shaped clamping block is fixedly connected with the inner side wall of the arc-shaped block, the second spring is arranged in a third inner cavity formed in the arc-shaped block, and the third inner cavity is communicated with the second inner cavity.

Further, the fixed subassembly includes two spherical poles, and two spherical poles symmetry set up in the both sides of arc piece, and the one end of spherical pole is fixed in the one side of the relative installation piece of arc piece.

Further, the ball head end of the spherical rod is provided with a first clamping groove, the first clamping groove is formed in the mounting block, one side of the first clamping groove is fixedly connected with an annular elastic piece, and the annular elastic piece is arranged on the outer periphery side of the spherical rod.

Further, the inner circumference sides of the first arc-shaped cover and the second arc-shaped cover are fixedly connected with a first sealing layer, and the two ends of the first arc-shaped cover and the two ends of the second arc-shaped cover are fixedly connected through a plurality of bolts.

Further, the second arc grooves are formed in the first arc cover, the second arc cover and the outer side wall of the mounting block, and the second sealing layer is fixedly connected to the outer periphery of the mounting block.

Compared with the prior art, the beneficial effect of this scheme is as follows:

1. this scheme is through linking cable terminal and earth connection to carry out lead seal formation lead seal in its junction periphery side, then establish the outside at the lead seal layer with first arc cover and second arc cover, and with the ground connection card in the second arc recess that first arc cover, second arc cover and installation piece were seted up, when fixed installation piece and arc piece, make the inside gas of first gasbag carry to the inside of second gasbag of slide, make it produce the inflation drive clamp block and press from both sides tightly and seal to the earth connection, then the leakproofness when connecting installation piece and arc piece has been guaranteed through the second sealing layer, sealing performance of earth connection department has been improved greatly, prevent that outside rainwater from entering into the inside of installation piece and arc piece, prevent to lead to earth connection production corrosion and corruption for a long time, further improved the life of earth connection.

2. This scheme is fixed first arc cover and second arc cover through a plurality of bolts, and cooperation first sealing layer protects and seals the lead sealing layer, prevents to lead sealing layer's performance because of the climatic cause in the long-time use to lead sealing layer to cause the influence, has strengthened the protection effect to lead sealing layer, and then prevents that the earth connection's earthing property from causing the influence to further improve earth connection protective property, life and the earth connection when using.

3. In this scheme, manual operation arc piece makes the spherical pole enter into the inside of first draw-in groove, fixes installation piece and arc piece, and then protects earth connection and lead sealing layer joint department, prevents to lead to the earth connection to produce and remove because of outside strong wind, and the life of earth connection and lead sealing layer junction after a long time leads to the fact the influence, and then prevents to the earthing property of device and lead sealing layer junction to cause the influence, effectually reduced the potential safety hazard.

Drawings

FIG. 1 is a schematic diagram of the overall structure for embodying the present utility model;

FIG. 2 is a schematic view of a first arcuate cover for embodying the present utility model;

FIG. 3 is a schematic diagram of a lead seal for use in embodying the present utility model;

FIG. 4 is a schematic cross-sectional view of a seal assembly useful in embodying the present utility model.

In the figure: 1. a cable; 2. a lead sealing layer; 3. a first arcuate shroud; 4. a second arc-shaped cover; 5. a first sealing layer; 6. a mounting block; 7. an arc-shaped block; 8. a fixing assembly; 801. a spherical rod; 802. a first clamping groove; 803. an annular elastic member; 9. a seal assembly; 901. a first spring; 902. a first air bag; 903. a slide plate; 904. an air delivery pipe; 905. a second air bag; 906. a clamping block; 10. an arc-shaped clamping block; 11. a second spring; 12. and a grounding wire.

Detailed Description

The utility model will now be further described by way of specific examples with reference to the accompanying drawings, which are given by way of illustration only and not by way of limitation.

Example 1

1-4, including cable 1, fixed subassembly 8 and seal assembly 9, the terminal periphery side of cable 1 is provided with plumbous seal 2, the both sides of plumbous seal 2 all are provided with earth connection 12, and earth connection 12 deviates from plumbous seal 2 one side and is provided with installation piece 6, the periphery side of installation piece 6 is provided with arc piece 7, the top of arc piece 7 is provided with second arc cover 4 and first arc cover 3 respectively, second arc cover 4 and first arc cover 3 symmetry set up in plumbous seal 2's periphery side, the bottom of second arc cover 4 and first arc cover 3 respectively with installation piece 6 fixed connection;

the sealing assembly 9 comprises a first spring 901, the first spring 901 is arranged in a first inner cavity formed in the arc-shaped block 7, a sliding plate 903 is fixedly connected to the other side of the first spring 901, a first air bag 902 is fixedly connected to one side of the sliding plate 903 opposite to the first spring 901, and the other side of the first air bag 902 is fixedly connected with the inner side wall of the arc-shaped block 7.

In practical application, the terminal of the cable 1 is connected with the ground wire 12, and lead sealing is carried out on the peripheral side of the connecting part of the cable, so that a lead sealing layer 2 is formed, then the first arc-shaped cover 3 and the second arc-shaped cover 4 are sleeved on the outer side of the lead sealing layer 2, the first arc-shaped cover 3 and the second arc-shaped cover 4 are fixed through a plurality of bolts, the lead sealing layer 2 is protected and sealed by matching with the first sealing layer 5, the influence on the service performance of the lead sealing layer 2 due to climate in the long-time use process is prevented, the protection effect on the lead sealing layer 2 is enhanced, and further the influence on the grounding performance of the ground wire 12 is prevented, so that the protection performance, the service life and the grounding performance of the ground wire 12 in use are further improved.

Example 2

The lead sealing anti-drop device for cables is different from the lead sealing anti-drop device for cables in that, as shown in fig. 1-4, one side of the first air bag 902 is communicated with an air conveying pipe 904, the other end of the air conveying pipe 904 is communicated with a second air bag 905, the second air bag 905 is positioned in a second inner cavity formed by the arc-shaped block 7, the other side of the second air bag 905 is fixedly connected with a clamping block 906, the clamping block 906 is slidably arranged in the second inner cavity, a first arc-shaped groove is formed in the inner side wall of the clamping block 906, which is away from one side of the second air bag 905, an arc-shaped sealing gasket is fixedly connected to the inner side of the first arc-shaped groove, second clamping grooves are formed in two sides of the clamping block 906, arc-shaped clamping blocks 10 are arranged in the inner parts of the second clamping grooves, one side, which is away from the second clamping blocks 10, of the second springs 11 are fixedly connected with inner side walls of the arc-shaped block 7, the second springs 11 are arranged in a third inner cavity formed by the arc-shaped block 7, and the third inner cavity is communicated with the second inner cavity.

In practical application, when fixing installation piece 6 and arc piece 7, slide 903 can contact with installation piece 6, make slide 903 remove to arc piece 7 direction, carry the inside of second gasbag 905 with the inside gas of first gasbag 902 through defeated tuber pipe 904, make it produce the inflation and drive clamp block 906 and remove to the direction of second arc recess, first arc recess and the sealed pad of arc that the cooperation clamp block 906 inside was offered press from both sides tightly and seal ground wire 12, then the leakproofness when installation piece 6 and arc piece 7 are connected has been guaranteed through the second sealing layer, sealing performance of ground wire 12 department has been improved greatly, prevent outside rainwater from entering into the inside of installation piece 6 and arc piece 7, lead to ground wire 12 to produce corrosion and corruption for a long time, further improve the life of ground wire 12.

Example 3

The lead sealing anti-drop device for cables is different from the embodiment 1 in that, as shown in fig. 1-4, the fixing component 8 comprises two spherical rods 801, the two spherical rods 801 are symmetrically arranged on two sides of the arc-shaped block 7, one end of each spherical rod 801 is fixed on one side of the arc-shaped block 7 opposite to the installation block 6, a first clamping groove 802 is formed in the ball end of each spherical rod 801, the first clamping groove 802 is formed in the installation block 6, one side of each first clamping groove 802 is fixedly connected with an annular elastic piece 803, the annular elastic piece 803 is arranged on the outer peripheral side of each spherical rod 801, the inner peripheral sides of each first arc-shaped cover 3 and each second arc-shaped cover 4 are fixedly connected with a first sealing layer 5, two ends of each first arc-shaped cover 3 and each second arc-shaped cover 4 are fixedly connected through a plurality of bolts, second arc-shaped grooves are formed in the inner side of each first arc-shaped cover 3 and each second arc-shaped cover 4 and the outer side wall of the installation block 6, and the outer peripheral side of each installation block 6 is fixedly connected with a second sealing layer.

In practical application, with the earth connection 12 card go into in the second arc recess that first arc cover 3, second arc cover 4 and installation piece 6 were seted up, then manual operation arc piece 7 makes spherical pole 801 enter into the inside of first draw-in groove 802, spherical pole 801 can extrude annular elastic component 803 at first, after the bulb end of spherical pole 801 enters into the inside of first draw-in groove 802, annular elastic component 803 can fix the position of use of spherical pole 801, earth connection 12 and lead sealing layer 2 joint department are protected, prevent to lead to earth connection 12 to produce the removal because of outside strong wind, the life of earth connection 12 and lead sealing layer 2 junction is influenced easily after a long time, and then prevent to the earthing performance of device to cause the influence, the effectual potential safety hazard that has reduced.

The working principle is that the terminal of the cable 1 is connected with the grounding wire 12, lead sealing is carried out on the peripheral side of the connecting part to form a lead sealing layer 2, then the first arc-shaped cover 3 and the second arc-shaped cover 4 are sleeved on the outer side of the lead sealing layer 2, the grounding wire 12 is clamped into the second arc-shaped grooves formed in the first arc-shaped cover 3, the second arc-shaped cover 4 and the mounting block 6, then the arc-shaped block 7 is manually operated to enable the spherical rod 801 to enter the first clamping groove 802, the spherical rod 801 firstly extrudes the annular elastic piece 803, after the ball head end of the spherical rod 801 enters the first clamping groove 802, the annular elastic piece 803 fixes the using position of the spherical rod 801, the joint of the grounding wire 12 and the lead sealing layer 2 is protected, when fixing installation piece 6 and arc piece 7, slide 903 can contact with installation piece 6, make slide 903 remove to arc piece 7 direction, carry the inside of second gasbag 905 through defeated tuber pipe 904 with the inside gas of first gasbag 902, make it produce the expansion and drive clamp block 906 and remove to the direction of second arc recess, first arc recess and the arc sealed pad ground wire 12 that clamp block 906 inside was seted up clamp and seal, fix first arc cover 3 and second arc cover 4 through a plurality of bolts, cooperate first sealing layer 5 to protect and seal lead seal 2, prevent to use the performance that leads to the fact influence to lead seal 2 because of climatic cause in the long-time use.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications which do not creatively contribute to the present embodiment may be made by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a lead seal anti-drop device for cable, its characterized in that includes cable (1), fixed subassembly (8) and seal assembly (9), the terminal periphery side of cable (1) is provided with lead seal (2), the both sides of lead seal (2) all are provided with earth connection (12), and one side that earth connection (12) deviates from lead seal (2) is provided with installation piece (6), the periphery side of installation piece (6) is provided with arc piece (7), the top of arc piece (7) is provided with second arc cover (4) and first arc cover (3) respectively, second arc cover (4) and first arc cover (3) symmetry set up in the periphery side of lead seal (2), the bottom of second arc cover (4) and first arc cover (3) are connected with installation piece (6) fixed respectively;

the sealing assembly (9) comprises a first spring (901), the first spring (901) is arranged in a first inner cavity formed by the arc-shaped block (7), the other side of the first spring (901) is fixedly connected with a sliding plate (903), one side of the sliding plate (903) opposite to the first spring (901) is fixedly connected with a first air bag (902), and the other side of the first air bag (902) is fixedly connected with the inner side wall of the arc-shaped block (7).

2. The lead sealing anti-drop device for the cable according to claim 1, wherein one side of the first air bag (902) is communicated with an air conveying pipe (904), the other end of the air conveying pipe (904) is communicated with a second air bag (905), and the second air bag (905) is located in a second inner cavity formed by the arc-shaped block (7).

3. The lead sealing anti-drop device for the cable according to claim 2, wherein a clamping block (906) is fixedly connected to the other side of the second air bag (905), and the clamping block (906) is slidably arranged in the second inner cavity.

4. A lead sealing anti-drop device for a cable according to claim 3, wherein the inner side wall of the clamping block (906) at one side away from the second air bag (905) is provided with a first arc-shaped groove, and an arc-shaped sealing gasket is fixedly connected to the inner part of the first arc-shaped groove.

5. The lead sealing anti-drop device for the cable according to claim 4, wherein the two sides of the clamping block (906) are provided with second clamping grooves, an arc clamping block (10) is arranged in each second clamping groove, and a plurality of second springs (11) are fixedly connected to one side, deviating from the second clamping grooves, of each arc clamping block (10).

6. The lead sealing anti-drop device for the cable according to claim 5, wherein one side of the second spring (11) deviating from the arc-shaped clamping block (10) is fixedly connected with the inner side wall of the arc-shaped block (7), the second spring (11) is arranged in a third inner cavity formed in the arc-shaped block (7), and the third inner cavity is communicated with the second inner cavity.

7. The lead sealing anti-drop device for the cable according to claim 1, wherein the fixing component (8) comprises two spherical rods (801), the two spherical rods (801) are symmetrically arranged on two sides of the arc-shaped block (7), and one end of each spherical rod (801) is fixed on one side of the arc-shaped block (7) opposite to the mounting block (6).

8. The lead sealing anti-drop device for the cable according to claim 7, wherein a first clamping groove (802) is formed in the ball end of the spherical rod (801), the first clamping groove (802) is formed in the mounting block (6), an annular elastic piece (803) is fixedly connected to one side of the first clamping groove (802), and the annular elastic piece (803) is arranged on the outer peripheral side of the spherical rod (801).

9. The lead sealing anti-drop device for the cable according to claim 1, wherein the inner peripheral sides of the first arc-shaped cover (3) and the second arc-shaped cover (4) are fixedly connected with a first sealing layer (5), and two ends of the first arc-shaped cover (3) and the second arc-shaped cover (4) are fixedly connected through a plurality of bolts.

10. The lead sealing anti-drop device for the cable according to claim 9, wherein the first arc-shaped cover (3) and the second arc-shaped cover (4) and the outer side wall of the installation block (6) are respectively provided with a second arc-shaped groove, and the outer periphery side of the installation block (6) is fixedly connected with a second sealing layer.