Supporting frame of voltage-sharing shielding ring
By designing a pressure-equilibrium shielding ring support frame including main body assembly and support assembly, the problem of poor stability of the pressure-equilibrium shielding ring in high altitude environment of the insulator string is solved, and the stability integration of multiple sets of pressure-equilibrium rings and the bolt anti-detachment effect is achieved.
Patent Information
- Application Number
- CN202421899169.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-07
AI Technical Summary
In actual use, since the insulator string is usually in high altitude, the pressure equalization shielding ring fixed with bolts has poor stability.
A support frame for a pressure equalization shielding ring is designed, including a body assembly and a support assembly. The main body assembly consists of a pressure equalizing ring body and a special-shaped support plate. The support assembly includes a fixing block, through holes, limiting plates, adjustable connecting rods, clamps and torsion springs. Through the combination and connection of these components, the stable fixation of the pressure equalizing ring is achieved.
Through the design of the support frame, multiple sets of equalizing ring bodies can be formed into one, which significantly improves stability, and avoids the problem of bolt loosening through the arrangement of the anti-detachment assembly.
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Figure CN222995160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grading shielding rings, in particular to a support frame for a grading shielding ring. Background Technique
[0002] A grading shielding ring is a protective fitting used in the power system, mainly used to improve the voltage distribution of the insulator string, ensure that there is no potential difference between each part, so as to achieve the effect of voltage equalization. The grading shielding ring is fixed on the insulator string through a support frame, so that the grading shielding ring is wrapped outside the insulator string.
[0003] In actual use, one or more grading shielding rings will be installed according to the height of the insulator string to achieve the effect of voltage equalization. Since the insulator string is usually at a high altitude, the use of bolts for fixing makes the stability of the grading shielding ring poor. Therefore, a support frame for the grading shielding ring needs to be provided to increase the stability of the connection of the grading shielding ring. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a support frame for a grading shielding ring to solve the problem that in actual use, one or more grading shielding rings are installed according to the height of the insulator string to achieve the effect of voltage equalization. Since the insulator string is usually at a high altitude, the use of bolts for fixing makes the stability of the grading shielding ring poor as mentioned in the above background technique.
[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:
[0006] The utility model is a support frame for a grading shielding ring, including:
[0007] A main body assembly, the main body assembly includes a grading ring body and a special-shaped support plate;
[0008] Both ends of the special-shaped support plate are welded to the lower surface of the grading ring body;
[0009] A support assembly, the support assembly includes a fixed block, a through hole, a limiting plate, an adjustable connecting rod, a first connecting shaft, a clamping plate and a first torsion spring;
[0010] The fixed block is welded to the middle of both ends of the special-shaped support plate, the through hole is opened in the middle of the fixed block, the adjustable connecting rod is inserted into the through hole, the limiting plate is welded to the top of the adjustable connecting rod, the first connecting shaft is fixed to the bottom end of the adjustable connecting rod, the clamping plate is sleeved on both ends of the first connecting shaft, and the first torsion spring is sleeved on the first connecting shaft.
[0011] Further, there are two clamping plates, which are respectively connected to both sides of the first connecting shaft and are symmetrically distributed.
[0012] Further, the main body assembly further includes a hoop and a bolt;
[0013] The hoop is provided with mounting holes, and the special-shaped support plate is provided with the same mounting holes. The hoop and the special-shaped support plate are connected by the mounting holes and bolts.
[0014] Furthermore, an anti-disengagement component is further included;
[0015] There are four groups of the anti-disengagement components, which are respectively located on both sides of the two fixing blocks, and each includes a fixing plate and a second connecting shaft;
[0016] There are two fixing plates, which are welded to the side of the fixing block, and the second connecting shaft is fixed between the fixing plates.
[0017] Furthermore, the anti-disengagement component further includes a second torsion spring and a connecting plate;
[0018] The second torsion spring is sleeved on the second connecting shaft, and the connecting plate is sleeved on the second connecting shaft.
[0019] Furthermore, the anti-disengagement component further includes a spring and a stepped hole;
[0020] The stepped hole is opened on the side of one end of the connecting plate, and one end of the spring is fixed in the stepped hole.
[0021] Compared with the prior art, the advantages of the present utility model are as follows:
[0022] First, in the present utility model, through the arranged support component, the adjustable connecting rod is inserted into the through hole in the fixing block, the limiting plate falls on the upper end of the fixing block, the equalizing ring body is sleeved on the insulator string, the hoop is clamped on the axis of the insulator string and the bolt is tightened, the clamping plate is pressed inward to open the clamping plate around the first connecting shaft, and the clamping plate is pulled to adjust the length of the adjustable connecting rod. After loosening the clamping plate, under the action of the first torsion spring, the clamping plate is clamped on the fixing block of another group of equalizing ring bodies. This setting can integrate multiple groups of equalizing ring bodies and improve the stability.
[0023] Second, in the present utility model, through the arranged anti-disengagement component, when fixing the hoop, the connecting plate on the fixing plate is opened. After tightening the bolt, the connecting plate is loosened. The connecting plate rotates around the second connecting shaft under the action of the second torsion spring, and the spring at the stepped hole fits on the bolt. This setting exerts an inward force on the bolt for fixing the hoop to prevent it from loosening. Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0025] Figure 1 This is the overall structural schematic diagram of the present utility model;
[0026] Figure 2 This is the structural schematic diagram of the main component of the present utility model;
[0027] Figure 3 This is the partial structural schematic diagram of the support component of the present utility model;
[0028] Figure 4 This is the structural schematic diagram of the anti - detachment component of the present utility model.
[0029] In the attached drawings, the list of components represented by each reference numeral is as follows:
[0030] 10, equal - pressure ring body; 11, special - shaped support plate; 12, hoop; 13, bolt; 20, fixed block; 21, through - hole; 22, limiting plate; 23, adjustable connecting rod; 24, first connecting shaft; 25, clamping plate; 26, first torsion spring; 30, fixed plate; 31, second connecting shaft; 32, second torsion spring; 33, connecting plate; 34, spring; 35, stepped hole. Specific embodiments
[0031] To make the above - mentioned objects, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the attached drawings.
[0032] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0033] To make the purpose, technical solution, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the attached drawings.
[0034] Please refer to Figures 1-3 As shown, this embodiment is a support frame for an equal - pressure shielding ring, including:
[0035] A main body component, the main body component includes an equal - pressure ring body 10 and a special - shaped support plate 11;
[0036] Both ends of the special - shaped support plate 11 are welded to the lower surface of the equal - pressure ring body 10;
[0037] The equal - pressure ring body 10 functions as an equal - pressure function, and the special - shaped support plate 11 functions as a support function;
[0038] Support component, the support component includes a fixing block 20, a through hole 21, a limiting plate 22, an adjustable connecting rod 23, a first connecting shaft 24, a clamping plate 25 and a first torsion spring 26;
[0039] The fixing block 20 is welded to the middle parts of both ends of the special-shaped support plate 11. The through hole 21 is opened in the middle of the fixing block 20. The adjustable connecting rod 23 is inserted into the through hole 21. The limiting plate 22 is welded to the top of the adjustable connecting rod 23. The first connecting shaft 24 is fixed to the bottom end of the adjustable connecting rod 23. The clamping plate 25 is sleeved on both ends of the first connecting shaft 24. The first torsion spring 26 is sleeved on the first connecting shaft 24;
[0040] The fixing block 20 plays a supporting role, the through hole 21 plays a connecting role, the limiting plate 22 plays a limiting role, the adjustable connecting rod 23 can be adjusted according to the spacing of each grading ring body 10, the first connecting shaft 24 facilitates the rotation of the clamping plate 25, the clamping plate 25 plays a clamping and limiting role, and the first torsion spring 26 has a reset function;
[0041] There are two clamping plates 25 in total, which are respectively connected to both sides of the first connecting shaft 24 and are symmetrically distributed;
[0042] The main body component further includes a hoop 12 and a bolt 13;
[0043] The hoop 12 is provided with mounting holes, and the special-shaped support plate 11 is provided with the same mounting holes. The hoop 12 and the special-shaped support plate 11 are connected through the mounting holes and the bolts 13;
[0044] The hoop 12 and the bolt 13 play a connecting role.
[0045] Working principle:
[0046] First, fix the lowest grading ring body 10 of the insulator string. Insert the adjustable connecting rod 23 into the through hole 21 in the fixing block 20. The limiting plate 22 lands on the upper end of the fixing block 20. Put the grading ring body 10 on the insulator string. The hoop 12 is clamped on the axis of the insulator string and the bolt 13 is tightened. Press the clamping plate 25 inward to open the clamping plate 25 around the first connecting shaft 24, and pull the clamping plate 25 to adjust the length of the adjustable connecting rod 23. Release the clamping plate 25. Under the action of the first torsion spring 26, the clamping plate 25 is clamped on the support frame for installing the insulator string;
[0047] Then, install the upper grading ring body 10 in sequence. According to the above steps, clamp the clamping plate 25 on the fixing block 20 of the lower grading ring body 10.
[0048] This step can integrate multiple groups of grading ring bodies 10 and improve the stability.
[0049] Please refer to Figure 4 , this embodiment, on the basis of the above embodiment, further includes:
[0050] The anti-loosening component, there are four groups of anti-loosening components, which are respectively located on both sides of two fixed blocks 20, including a fixing plate 30 and a second connecting shaft 31;
[0051] There are two fixing plates 30, which are welded to the side of the fixed block 20, and the second connecting shaft 31 is fixed between the fixing plates 30;
[0052] The fixing plate 30 plays a supporting role, and the second connecting shaft 31 facilitates the rotation of the connecting plate 33;
[0053] The anti-loosening component further includes a second torsion spring 32 and a connecting plate 33;
[0054] The second torsion spring 32 is sleeved on the second connecting shaft 31, and the connecting plate 33 is sleeved on the second connecting shaft 31;
[0055] The second torsion spring 32 has a reset function, and the connecting plate 33 plays a connecting role;
[0056] The anti-loosening component further includes a spring 34 and a stepped hole 35;
[0057] The stepped hole 35 is opened on the side of one end of the connecting plate 33, and one end of the spring 34 is fixed in the stepped hole 35;
[0058] The spring 34 has an extrusion function, and the stepped hole 35 facilitates the installation of the spring 34 and the passing of one end of the bolt 13.
[0059] Working principle:
[0060] When fixing the fixing hoop 12, open the connecting plate 33 on the fixing plate 30 with one hand, pass the bolt 13 through the special-shaped support plate 11 and the fixing hoop 12. After tightening the bolt 13, release the connecting plate 33. Under the action of the second torsion spring 32, the connecting plate 33 rotates around the second connecting shaft 31, and the spring 34 at the stepped hole 35 fits on the bolt 13.
[0061] In this step, an inward force is exerted on the bolt 13 of the fixing hoop 12 to prevent it from loosening.
[0062] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "install", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. 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 situations.
[0063] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A support frame for a voltage-equalizing shielding ring, characterized in that: include: A main body component, the main body component comprising a pressure equalizing ring body (10) and a special-shaped support plate (11); both ends of the special-shaped support plate (11) are welded to the lower surface of the pressure equalizing ring body (10); A support assembly, the support assembly comprising a fixed block (20), a through hole (21), a limit plate (22), an adjustable connecting rod (23), a first connecting shaft (24), a clamping plate (25) and a first torsion spring (26); The fixing block (20) is welded to the middle of both ends of the special-shaped support plate (11), the through hole (21) is opened in the middle of the fixing block (20), the adjustable connecting rod (23) is inserted into the through hole (21), the limit plate (22) is welded to the top of the adjustable connecting rod (23), the first connecting shaft (24) is fixed to the bottom of the adjustable connecting rod (23), the clamping plate (25) is sleeved on both ends of the first connecting shaft (24), and the first torsion spring (26) is sleeved on the first connecting shaft (24).
2. A support frame for a voltage-equalizing shielding ring according to claim 1, characterized in that: There are two clamping plates (25) in total, which are respectively connected to two sides of the first connecting shaft (24) and are symmetrically distributed.
3. A support frame for a voltage-equalizing shielding ring according to claim 1, characterized in that: The main body assembly also includes a clamp (12) and a bolt (13); The hoop (12) is provided with a mounting hole, and the special-shaped support plate (11) is provided with a similar mounting hole; the hoop (12) and the special-shaped support plate (11) are connected via the mounting hole and bolts (13).
4. The support frame of the voltage-equalizing shielding ring according to claim 1, characterized in that: Also includes an anti-slip component; There are four groups of anti-slip components, which are respectively located on both sides of the two fixing blocks (20), and include a fixing plate (30) and a second connecting shaft (31); The fixing plates (30) are composed of two pieces, which are welded to the sides of the fixing blocks (20), and the second connecting shaft (31) is fixed between the fixing plates (30).
5. A support frame for a voltage-equalizing shielding ring according to claim 4, characterized in that: The anti-drop assembly further includes a second torsion spring (32) and a connecting plate (33); The second torsion spring (32) is sleeved on the second connecting shaft (31), and the connecting plate (33) is sleeved on the second connecting shaft (31).
6. A support frame for a voltage-equalizing shielding ring according to claim 5, characterized in that: The anti-drop assembly further includes a spring (34) and a stepped hole (35); The step hole (35) is formed on a side edge of one end of the connecting plate (33), and one end of the spring (34) is fixed in the step hole (35).