Protective device for exposed line of electric power engineering
By designing an exposed line protection device for power engineering, the problems of poor protection effect at exposed line joints and large traction force at the wiring are solved, and the effects of closure, limiting and dust-proof and waterproof are achieved, which is convenient for wiring and maintenance.
Patent Information
- Application Number
- CN202421098104.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-20
AI Technical Summary
In power engineering, the joints of exposed lines cannot be effectively protected, resulting in poor protection effects, and the joints are easily affected by the traction force of each cable, affecting the connection stability.
A power engineering exposed line protection device is designed, including components such as upper housing, lower housing, connecting rods, arc-shaped connecting plates and sealing baffles. By closing the cable joints and limiting the wiring position, traction force is reduced and dust-proof and waterproofing is improved.
It realizes effective sealing and protection of cable joints, reduces traction at the wiring, maintains stability at the wiring, and improves dust and waterproofing effect outdoors, making it easier to wiring and repair.
Smart Images
Figure CN222638143U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric power engineering, and in particular relates to an exposed line protection device for electric power engineering. Background Art
[0002] Power engineering refers to engineering related to the production, transmission and distribution of electric energy. In a broad sense, it also includes engineering that uses electricity as power and energy in various fields. It can also be understood as power transmission and transformation industry expansion engineering. Cables are needed during the construction of power engineering. Cables are used for power transmission or information transmission. When the cables are arranged, some lines will be exposed to the air. These lines are exposed lines. The exposed lines are grounding lines. The buried depth is not deep enough, resulting in rainwater washing out of the ground, or the lines are too long to be buried when the lines are arranged. Usually, card strips are installed on the outside of the outer shell cable for protection. Generally, the card strips are laid according to the wiring trajectory of the cable, but the card strips at the joints of multiple cables cannot be covered on the outside, and they will be connected by wrapping the cable joints with insulating glue, resulting in poor protection at the cable connection point, and the connection point will be subject to traction in different directions from each cable, thereby affecting the connection effect of the connection position. Utility Model Content
[0003] The utility model provides an exposed line protection device for electric power engineering, which can seal the joints of cables, limit the wiring position, reduce the traction force of the cables at the connection points, maintain the stability of the connection points, is easy to disassemble and assemble during wiring and maintenance, replaces the method of winding with insulating tape, and can improve the dust and water proof effect of the cable joints outdoors.
[0004] The utility model provides the following technical solution: a protective device for exposed lines of an electric power engineering project, comprising an upper shell and a lower shell, wherein a connecting rod is connected between the upper shell and the lower shell, and a top cover is detachably connected to the top end of the upper shell, a plurality of arc-shaped connecting plates are arranged on the outside of the lower shell, a folding connecting portion is connected between two adjacent arc-shaped connecting plates, a wiring hole is provided on the arc-shaped connecting plate, a sealing baffle is hinged inside the wiring hole, T-shaped sliders are fixedly connected to both ends of the inner wall of the arc-shaped connecting plate, and a sliding groove matching the T-shaped slider is provided on the outer wall of the lower shell.
[0005] Wherein, the top end of the outer wall of the upper shell and the inner wall of the top cover are provided with mutually matching connecting threads, and the top cover and the upper shell are detachably connected via the connecting threads.
[0006] Wherein, the sealing baffle is rotationally connected to the wiring hole via a connecting torsion spring, and the diameter of the sealing baffle is smaller than the inner diameter of the wiring hole.
[0007] Wherein, the top end of the connecting rod is fixedly connected to the bottom end of the upper shell, and the bottom end of the upper shell is fixedly connected to the top end of the lower shell.
[0008] The upper shell and the lower shell have the same diameter, and the upper shell is configured as a cylindrical structure, and a mounting base plate is provided at the bottom end of the lower shell.
[0009] The beneficial effects of the utility model are:
[0010] The invention can seal the joints of cables and adjust the positions of the threading holes according to the number of connections, limit the wiring position, reduce the traction force of the cables at the connection points, maintain the stability of the connection points, and make the cable joints located in the inner cavity of the lower shell, which is convenient for disassembly and assembly during wiring and maintenance, replacing the method of winding with insulating tape, and can improve the dust and water resistance of the cable joints outdoors.
[0011] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the explosion structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0014] Figure 3 It is a dynamic schematic diagram of the arc-shaped connecting plate in the utility model;
[0015] Figure 4 For this utility model Figure 2 Enlarged view of part A in the middle.
[0016] In the figure: 1. upper shell; 11. connecting rod; 12. top cover; 13. connecting thread; 2. lower shell; 21. slide groove; 3. arc-shaped connecting plate; 31. folding connecting part; 32. wiring hole; 33. sealing baffle; 331. connecting torsion spring; 34. T-shaped slider. DETAILED DESCRIPTION
[0017] See also Figure 1-Figure 4 The utility model provides the following technical solutions: including an upper shell 1 and a lower shell 2, a connecting rod 11 is connected between the upper shell 1 and the lower shell 2, and a top cover 12 is detachably connected to the top of the upper shell 1, a plurality of arc-shaped connecting plates 3 are arranged outside the lower shell 2, a folding connecting portion 31 is connected between two adjacent arc-shaped connecting plates 3, a wiring hole 32 is opened on the arc-shaped connecting plate 3, a sealing baffle 33 is hinged inside the wiring hole 32, T-shaped sliders 34 are fixedly connected to both ends of the inner wall of the arc-shaped connecting plate 3, and a slide groove 21 matching the T-shaped slider 34 is opened on the outer wall of the lower shell 2.
[0018] In this embodiment: an upper shell 1 and a lower shell 2 are provided to form a main frame, a connecting rod 11 is connected between the upper shell 1 and the lower shell 2, and the upper shell 1 and the lower shell 2 are connected by the connecting rod 11, so that a gap for the cables to pass through is left between the upper shell 1 and the lower shell 2, so that each cable can be connected inside the lower shell 2, and a top cover 12 is detachably connected to the top of the upper shell 1, and one end of the upper shell 1 is covered by the top cover 12, and a plurality of arc-shaped connecting plates 3 are arranged outside the lower shell 2, and a folding connecting portion 31 is connected between two adjacent arc-shaped connecting plates 3, and the plurality of arc-shaped connecting plates 3 are connected to each other. , the folding connection parts 31 are staggered and connected head to tail to form an annular shell sleeved on the outside of the upper shell 1 and the lower shell 2. A wiring hole 32 is opened on the arc-shaped connecting plate 3, and a sealing baffle 33 is hinged inside the wiring hole 32. In the process of connecting the cables, the positions of several arc-shaped connecting plates 3 are adjusted according to the number of cables, so that the positions of the arc-shaped connecting plates 3 correspond to the positions where the cables are set. For example, in various situations where two cables, three cables or four cables are connected, the cables are respectively passed through a wiring hole 32, and the arc-shaped connecting plate 3 is slid outside the lower shell 2 so that the positions of the arc-shaped connecting plates 3 correspond to the positions where the cables are set. The position of the cable corresponds to that of the cable. During the sliding process of the arc-shaped connecting plate 3, the folding connecting portion 31 on the adjacent side is squeezed or pulled, so that the folding connecting portion 31 is deformed, elongated or shortened, and then the lower shell 2 is fixed to the building surface on one side of the cable joint. The wiring of the cable is completed inside the lower shell 2. The top cover 12 is rotated to be threadedly connected with one end of the connecting thread 13 to close the device, protect the external joint of the cable, and protect the wiring terminals of each pair of cables through the device. Both ends of the inner wall of the arc-shaped connecting plate 3 are fixedly connected with T-shaped sliders 34, and the outer wall of the lower shell 2 is provided with a T-shaped The slide 34 matches the slide groove 21, and the T-shaped slide 34 and the slide groove 21 are set, so that the arc-shaped connecting plate 3 can be connected to the lower shell 2, and the arc-shaped connecting plate 3 can slide smoothly on the outer wall of the lower shell 2, so that the new type can close the joint of the cable, and adjust the position of the threading hole according to the number of wiring, limit the wiring position, reduce the traction force of the cable at the wiring point, maintain the stability of the wiring point, so that the cable joint position is in the inner cavity of the lower shell 2, which is convenient for disassembly and assembly during wiring and maintenance, replacing the method of winding with insulating tape, and can improve the dust and waterproof effect of the cable joint outdoors.
[0019] The top of the outer wall of the upper shell 1 and the inner wall of the top cover 12 are provided with matching connecting threads 13, and the top cover 12 and the upper shell 1 are detachably connected through the connecting threads 13; by providing the connecting threads 13, the top cover 12 can be quickly disassembled and assembled with the upper shell 1, which is faster and simpler to operate during wiring and maintenance.
[0020] The sealing baffle 33 is rotatably connected to the wiring hole 32 via a connecting torsion spring 331, and the diameter of the sealing baffle 33 is smaller than the inner diameter of the wiring hole 32. By setting the connecting torsion spring 331, when no cable passes through the wiring hole 32, the connecting torsion spring 331 can automatically reset to continue sealing the wiring hole 32, thereby maintaining the sealing effect of the inner cavity of the lower shell 2, thereby maintaining the protective effect of the lower shell 2 on the cable wiring connection.
[0021] The top end of the connecting rod 11 is fixedly connected to the bottom of the upper shell 1, and the bottom end of the upper shell 1 is fixedly connected to the top of the lower shell 2; the upper shell 1 and the lower shell 2 are connected by the connecting rod 11, so that a gap for the cables to pass through is left between the upper shell 1 and the lower shell 2, so that each cable can be connected inside the lower shell 2, and the top end of the upper shell 1 is detachably connected to the top cover 12, and one end of the upper shell 1 is sealed by the top cover 12. In the present invention, the connecting rod 11 has elastic force. When the wiring hole 32 overlaps with the connecting rod 11, the cable can squeeze the connecting rod 11 to make it give way, so that the arc-shaped connecting plate 3 can be rotated to any position, thereby ensuring the flexibility of the wiring hole.
[0022] The upper shell 1 and the lower shell 2 have the same diameter, and the upper shell 1 is set as a cylindrical structure, and a mounting base plate is provided at the bottom end of the lower shell 2; by setting the connecting rod 11 as a cylindrical structure, it is connected to the inner cavity of the lower shell 2, and the mounting base plate provided at the bottom end of the lower shell 2 is used to install and fix the device, and install it at the wiring position.
[0023] The working principle and use process of the utility model are as follows: during use, firstly, each cable is passed through the wiring hole 32 on each arc-shaped connecting plate 3, and the upper shell 1 and the lower shell 2 are connected by the connecting rod 11, so that a gap for the cable to pass through is left between the upper shell 1 and the lower shell 2, so that each cable can be connected inside the lower shell 2, and the top of the upper shell 1 is detachably connected to the top cover 12, and one end of the upper shell 1 is sealed by the top cover 12. In the process of the cable passing through the wiring hole 32, the sealing baffle 33 is squeezed to rotate it to make way, and then the arc-shaped connecting plate 3 is slid, and the positions of several arc-shaped connecting plates 3 are adjusted so that the positions of the arc-shaped connecting plates 3 correspond to the positions where the cables are set, such as In various situations where two cables, three cables or four cables are connected, the arc-shaped connecting plate 3 is slid outside the lower shell 2 so that the position of the arc-shaped connecting plate 3 corresponds to the position of the cable. In the process of sliding the arc-shaped connecting plate 3, the folding connection part 31 on the adjacent side is squeezed or pulled so that the folding connection part 31 is deformed, elongated or shortened. Then the lower shell 2 is fixed to the building surface on one side of the cable joint, and the wiring of the cables is completed inside the lower shell 2. The top cover 12 is rotated to be threadedly connected to one end of the connecting thread 13, and the device is closed to complete the installation of the device. When inspecting the cables, the top cover 12 is removed from the top of the upper shell 1, and the cables are inspected and replaced inside the upper shell 1.
Claims
1. A protective device for exposed lines in electric power engineering, comprising an upper housing (1) and a lower housing (2), characterized in that: A connecting rod (11) is connected between the upper shell (1) and the lower shell (2), and a top cover (12) is detachably connected to the top of the upper shell (1). A plurality of arc-shaped connecting plates (3) are arranged outside the lower shell (2), and a folding connecting portion (31) is connected between two adjacent arc-shaped connecting plates (3). A wiring hole (32) is provided on the arc-shaped connecting plate (3), and a sealing baffle (33) is hinged inside the wiring hole (32). Both ends of the inner wall of the arc-shaped connecting plate (3) are fixedly connected to a T-shaped slider (34), and the outer wall of the lower shell (2) is provided with a slide groove (21) matching the T-shaped slider (34).
2. The device for protecting exposed lines of electric power engineering according to claim 1, characterized in that: The top end of the outer wall of the upper shell (1) and the inner wall of the top cover (12) are provided with mutually matching connecting threads (13), and the top cover (12) and the upper shell (1) are detachably connected via the connecting threads (13).
3. The device for protecting exposed lines of electric power engineering according to claim 1, characterized in that: The sealing baffle (33) is rotatably connected to the wiring hole (32) via a connecting torsion spring (331), and the diameter of the sealing baffle (33) is smaller than the inner diameter of the wiring hole (32).
4. The device for protecting exposed lines of electric power engineering according to claim 1, characterized in that: The top end of the connecting rod (11) is fixedly connected to the bottom end of the upper shell (1), and the bottom end of the upper shell (1) is fixedly connected to the top end of the lower shell (2).
5. The device for protecting exposed lines of electric power engineering according to claim 1, characterized in that: The upper shell (1) and the lower shell (2) have the same diameter, and the upper shell (1) is configured as a cylindrical structure, and a mounting base plate is provided at the bottom end of the lower shell (2).