Electrical insulation pull rod with telescopic structure
By designing an electrically insulated pull rod with a telescopic structure, using a high-voltage frame, center rod, first spring, pull cylinder and outer rod mechanism, the existing pull rod length is solved, the problems of unadjustable connection, unstable connection and insufficient insulation performance are achieved, and the effects of flexible adjustment, stable connection and efficient insulation are achieved.
Patent Information
- Application Number
- CN202421799332.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The length of the existing electrical insulated tie rod cannot be adjusted during installation and maintenance, the connection method is single and unstable in high-voltage environments, and the insulation performance is not enough to meet the high-voltage requirements.
An electrically insulated tie rod with a telescopic structure is designed, using a high-voltage frame, center rod, first spring, pulling barrel and outer rod mechanism, and the length adjustment of the tie rod is achieved through thread rotation, and the insulation performance and connection stability are ensured through nesting structure and spring support.
It realizes flexible adjustment of the length of the tie rod, enhances the stability and insulation performance of the connection, adapts to the use needs of different equipment and environments, and ensures operational safety and flexibility.
Smart Images
Figure CN222965946U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrical insulation, in particular to an electrical insulation pull rod with a telescopic structure. Background Technique
[0002] The electrical insulation pull rod is a key component used in high-voltage electrical equipment, mainly for mechanical support and electrical insulation inside the electrical equipment. The electrical insulation pull rod needs to have good mechanical strength and electrical insulation performance to ensure the safe operation of the equipment in a high-voltage environment. Common materials for electrical insulation pull rods include epoxy resin, glass fiber, and ceramics, etc., and these materials can provide the necessary mechanical support and insulation effect. The electrical insulation pull rod is widely used in high-voltage electrical equipment such as transformers, reactors, and circuit breakers to maintain the stability and safety of the equipment.
[0003] There are some defects in the existing electrical insulation pull rods during actual use. First of all, the traditional electrical insulation pull rods usually have a fixed length and cannot be adjusted according to actual needs, which brings inconvenience during installation and maintenance. Especially when different lengths of pull rods are required in different equipment and environments, the flexibility of use is poor. Secondly, the connection methods of the existing pull rods are relatively single, usually using simple mechanical connections, and there may be risks of loosening and unstable connection in high-voltage and high-mechanical stress environments, thus affecting the safety and reliability of the equipment. In addition, the insulation performance in the existing technology needs to be further improved to meet more stringent high-voltage insulation requirements. Therefore, there is an urgent need for an electrical insulation pull rod with a telescopic structure. Content of the Utility Model
[0004] The purpose of the utility model is to solve the defects existing in the prior art and provide an electrical insulation pull rod with a telescopic structure.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an electrical insulation pull rod with a telescopic structure, comprising: a high-voltage mechanism, the high-voltage mechanism includes a high-voltage frame, a high-voltage sheet is arranged on the outer surface of the high-voltage frame, a central rod is arranged in the high-voltage frame, first springs are arranged at both ends of the central rod, a pulling cylinder is arranged on the outer surface of the first spring, and an outer rod mechanism is arranged at one end of the pulling cylinder, the outer rod mechanism includes a threaded cover, and a docking device is arranged at one end of the threaded cover.
[0006] As a preferred implementation manner, a stretching mechanism is arranged on one side of the threaded cover, the stretching mechanism includes an expansion plate, a threaded cylinder is arranged on one side of the expansion plate, a docking screw is arranged in the threaded cylinder, and a second spring is arranged between the two docking screws.
[0007] As a preferred embodiment, both ends of the second spring are fixedly connected between two docking screws, and one end of the docking screw away from the second spring is fixedly installed in the threaded cylinder by means of threaded rotation. One end of the threaded cylinder is fixedly connected to the expansion plate, and one end of the expansion plate is fixedly connected to one side of the threaded cover by welding.
[0008] As a preferred embodiment, the inner surface of the high-voltage sheet is nested on the outer surface of the high-voltage frame, and the outer surface of the central rod is nested in the high-voltage frame.
[0009] As a preferred embodiment, one end of the first spring is fixedly connected to one end of the central rod, and the end of the first spring away from the central rod is fixedly connected in the pulling cylinder.
[0010] As a preferred embodiment, the threaded cover is fixedly installed on the outer surface of the pulling cylinder by means of threaded rotation, and one end of the docking device is fixedly connected to the threaded cover.
[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0012] In the present utility model, the central rod is nested in the high-voltage frame, and the inner surface of the high-voltage sheet is nested on the outer surface of the high-voltage frame to ensure good insulation performance of the high-voltage frame. Then, one end of the pulling cylinder is connected to one end of the central rod to ensure that one end of the first spring is fixed on the central rod and the other end is fixed in the pulling cylinder to provide necessary elastic support. Subsequently, the threaded cover is fixed on the outer surface of the pulling cylinder by means of threaded rotation, and one end of the docking device is fixed on the threaded cover to ensure the stable connection of the pull rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 FIG. is a schematic structural diagram of an electrical insulating pull rod with a telescopic structure provided by the present utility model.
[0014] Figure 2 FIG. is a schematic structural diagram of a high-voltage mechanism of an electrical insulating pull rod with a telescopic structure provided by the present utility model.
[0015] Figure 3 FIG. is a schematic structural diagram of an outer rod mechanism of an electrical insulating pull rod with a telescopic structure provided by the present utility model.
[0016] Figure 4 FIG. is a schematic structural diagram of a stretching mechanism of an electrical insulating pull rod with a telescopic structure provided by the present utility model.
[0017] LEGEND DESCRIPTION:
[0018] 1. High-voltage mechanism; 11. High-voltage frame; 12. High-voltage sheet; 13. Central rod; 14. First spring; 15. Pulling cylinder;
[0019] 2. Outer rod mechanism; 21. Threaded cap; 22. Docking device
[0020] 3. Tensile mechanism; 31. Docking screw; 32. Second spring; 33. Threaded cylinder; 34. Expansion plate Specific implementation mode
[0021] In order to more clearly illustrate the overall concept of the present invention, the following will be described in detail by way of example in conjunction with the accompanying drawings of the specification
[0022] It should be noted that many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below
[0023] In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention
[0024] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements. However, indicating a direct connection means that there is no connection relationship constructed by an excessive structure between the two connected main bodies, and only a connection structure is used to connect them to form a whole. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances
[0025] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0026] Embodiment 1
[0027] As Figures 1-3 shown, the present utility model provides a technical solution: an electrical insulation pull rod with a telescopic structure, comprising: a high-voltage mechanism 1, the high-voltage mechanism 1 includes a high-voltage frame 11, a high-voltage sheet 12 is arranged on the outer surface of the high-voltage frame 11, a central rod 13 is arranged in the high-voltage frame 11, first springs 14 are arranged at both ends of the central rod 13, a pull cylinder 15 is arranged on the outer surface of the first springs 14, an outer rod mechanism 2 is arranged at one end of the pull cylinder 15, the outer rod mechanism 2 includes a threaded cover 21, a docking device 22 is arranged at one end of the threaded cover 21, the inner surface of the high-voltage sheet 12 is nested on the outer surface of the high-voltage frame 11, the outer surface of the central rod 13 is nested in the high-voltage frame 11, one end of the first spring 14 is fixedly connected to one end of the central rod 13, the end of the first spring 14 far from the central rod 13 is fixedly connected in the pull cylinder 15, the threaded cover 21 is fixed on the outer surface of the pull cylinder 15 by means of threaded rotation, and one end of the docking device 22 is fixedly connected to the threaded cover 21.
[0028] In this embodiment, check whether each component of the high-voltage mechanism 1 and the outer rod mechanism 2 is in good condition to ensure that the high-voltage frame 11, the high-voltage sheet 12, the central rod 13, the first spring 14, the drawing cylinder 15, the threaded cap 21, and the docking connector 22 are not damaged or loose. Nest the central rod 13 in the high-voltage frame 11, and nest the inner surface of the high-voltage sheet 12 on the outer surface of the high-voltage frame 11 to ensure that the high-voltage frame 11 has good insulation performance. Then, connect one end of the drawing cylinder 15 to one end of the central rod 13, and ensure that one end of the first spring 14 is fixed on the central rod 13 and the other end is fixed in the drawing cylinder 15 to provide the necessary elastic support. Subsequently, fix the threaded cap 21 on the outer surface of the drawing cylinder 15 by means of thread rotation, and fix one end of the docking connector 22 on the threaded cap 21 to ensure the stable connection of the pull rod. During actual operation, the user can pull the drawing cylinder 15 to make it extend or shorten, and utilize the elastic support provided by the first spring 14 to conveniently adjust the length of the pull rod to adapt to different operation requirements. During the operation process, it is necessary to regularly check the states of the drawing cylinder 15, the first spring 14, and other components to ensure their normal operation. After use, regularly maintain the pull rod, check whether the connection points are firm, clean the dirt on the high-voltage sheet 12 and other components, and ensure the insulation performance and mechanical performance of the pull rod. Through the above process, the electrical insulation pull rod with the telescopic mechanism 3 can not only provide reliable insulation performance during actual use, but also facilitate operation through its telescopic structure, meet the use requirements in different working environments, and ensure the safety and flexibility of the operation.
[0029] Embodiment 2
[0030] As Figures 1-4 shown, a stretching mechanism 3 is provided on one side of the threaded cap 21. The stretching mechanism 3 includes an expansion plate 34. A threaded cylinder 33 is provided on one side of the expansion plate 34. A docking screw 31 is provided in the threaded cylinder 33. A second spring 32 is provided between the two docking screws 31. The two ends of the second spring 32 are respectively fixedly connected between the two docking screws 31. One end of the docking screw 31 away from the second spring 32 is fixed in the threaded cylinder 33 by means of thread rotation. One end of the threaded cylinder 33 is fixedly connected to the expansion plate 34. One end of the expansion plate 34 is fixedly connected to one side of the threaded cap 21 by welding.
[0031] In this embodiment, during the actual use process by the staff, in order to enable it to be tightened more stably during the actual use process, a stretching mechanism 3 is provided on one side of the threaded cap 21. The staff can fix the docking screw 31 in the threaded cylinder 33 by means of thread rotation. In this way, under normal circumstances, the tightening effect during the actual use process can be made more obvious, thereby further improving its practicability during the actual use process.
[0032] Working principle:
[0033] AsFigures 1-4 As shown, during actual use, it is first necessary to carefully check each component of the high-voltage mechanism 1 and the outer rod mechanism 2 to ensure that the high-voltage frame 11, high-voltage sheet 12, central rod 13, first spring 14, draw tube 15, threaded cap 21, and docking device 22 are all undamaged and loose. Then, nest the central rod 13 in the high-voltage frame 11, and tightly nest the inner surface of the high-voltage sheet 12 on the outer surface of the high-voltage frame 11 to ensure that the high-voltage frame 11 has good insulation performance. Next, connect one end of the draw tube 15 to one end of the central rod 13, and ensure that one end of the first spring 14 is fixed on the central rod 13 and the other end is fixed in the draw tube 15 to provide the necessary elastic support.
[0034] Next, fix the threaded cap 21 on the outer surface of the draw tube 15 by means of threaded rotation, and fix one end of the docking device 22 on the threaded cap 21 to ensure the stable connection of the pull rod. During actual operation, the user can pull the draw tube 15 to make it extend or shorten, and utilize the elastic support provided by the first spring 14 to conveniently adjust the length of the pull rod to meet different operation requirements. During the operation process, it is necessary to regularly check the status of the draw tube 15, the first spring 14, and other components to ensure their normal operation. After use, regularly maintain the pull rod, check whether the connection points are firm, clean the dirt on the high-voltage sheet 12 and other components, and ensure the insulation performance and mechanical performance of the pull rod.
[0035] In order to further improve the stability and tightening effect of the pull rod during actual use, the staff can set a stretching mechanism 3 on one side of the threaded cap 21. By means of threaded rotation, fix the docking screw 31 in the threaded tube 33, which can significantly enhance the tightening effect of the pull rod under normal circumstances, thereby further improving its practicality during actual use. Through the above process, the electrical insulating pull rod with a telescopic structure can not only provide reliable insulation performance, but also be convenient to operate through its telescopic structure, meet the use requirements in different working environments, and ensure the safety and flexibility of the operation.
[0036] Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.
[0037] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An electrical insulating pull rod with a telescopic structure, characterized in that: include: A high-pressure mechanism (1), the high-pressure mechanism (1) comprising a high-pressure frame (11), a high-pressure sheet (12) being arranged on the outer surface of the high-pressure frame (11), a center rod (13) being arranged in the high-pressure frame (11), first springs (14) being arranged at both ends of the center rod (13), a pull cylinder (15) being arranged on the outer surface of the first spring (14), an outer rod mechanism (2) being arranged at one end of the pull cylinder (15), the outer rod mechanism (2) comprising a threaded cover (21), and a docking device (22) being arranged at one end of the threaded cover (21).
2. The electrical insulating pull rod with a telescopic structure according to claim 1, characterized in that: A stretching mechanism (3) is provided on one side of the threaded cover (21), the stretching mechanism (3) comprising an expansion plate (34), a threaded barrel (33) is provided on one side of the expansion plate (34), a butt screw (31) is provided in the threaded barrel (33), and a second spring (32) is provided between the two butt screws (31).
3. The electrical insulating pull rod with a telescopic structure according to claim 2, characterized in that: The two ends of the second spring (32) are respectively fixedly connected between the two docking screws (31); one end of the docking screw (31) away from the second spring (32) is fixed in the threaded barrel (33) by means of threaded rotation; one end of the threaded barrel (33) is fixedly connected to the expansion plate (34); and one end of the expansion plate (34) is fixed to one side of the threaded cover (21) by means of welding.
4. The electrical insulating pull rod with a telescopic structure according to claim 1, characterized in that: The inner surface of the high-voltage sheet (12) is nested in the outer surface of the high-voltage frame (11), and the outer surface of the central rod (13) is nested in the high-voltage frame (11).
5. The electrical insulating pull rod with a telescopic structure according to claim 1, characterized in that: One end of the first spring (14) is fixedly connected to one end of the center rod (13), and one end of the first spring (14) away from the center rod (13) is fixedly connected to the pull cylinder (15).
6. The electrical insulating pull rod with a telescopic structure according to claim 1, characterized in that: The threaded cover (21) is fixed to the outer surface of the pull tube (15) by means of threaded rotation, and one end of the docking device (22) is fixedly connected to the threaded cover (21).