Grading ring

Abstract

The utility model relates to the technical field of electric power engineering, and discloses a grading ring, which comprises a ring body and a cross rod arranged on the inner wall of the ring body, and a fixing ring is arranged on one side of the cross rod. The clamping mechanism is arranged in front of the cross rod and the fixing ring and used for fixing cables of different models, the clamping mechanism comprises a screw rod which is in threaded connection with the inner wall of the cross rod and the inner wall of the fixing ring, one end of the screw rod is rotationally connected with a clamping ring, the outer side of the clamping ring is fixedly connected with a limiting rod, and the limiting rod is fixedly connected with the cross rod. The outer side of the limiting rod is slidably connected to the inner wall of the cross rod and the inner wall of the fixing ring, and the problems that when an existing grading ring is used, a pull ring for clamping and fixing a high-voltage cable cannot be adjusted, so that cables of different models cannot be fixed, the application range of the device is limited, and in the transportation process of the grading ring, the grading ring is not prone to being damaged are solved. And the problems of disordered placement and difficulty in tidying due to incapability of effective stacking placement are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power engineering, in particular to a voltage grading ring. Background Art

[0002] The function of the grading ring is to prevent side lightning strikes. It is suitable for AC voltage and can evenly distribute high voltage around the object to ensure that there is no potential difference between the various parts of the ring, thereby achieving the effect of equalization. According to their uses, grading rings can be divided into arrester grading rings, lightning protection grading rings, insulator grading rings, transformer grading rings, high-voltage test equipment grading rings, transmission and transformation line grading rings, etc. According to their materials, grading rings can be divided into aluminum grading rings, stainless steel grading rings, iron grading rings, etc. The grading rings used in my country's high-voltage electrical appliances and power systems (substations, high-voltage lines, etc.) are mainly made of aluminum alloy. Generally, the surface of the grading ring is required to be polished to achieve a smooth surface without burrs.

[0003] The patent application number CN201821762252.8 is a voltage equalizing ring used in high-voltage power transmission and transformation equipment. The connection between the rotating rod and the sliding rod ensures that the voltage equalizing ring used in the high-voltage power transmission and transformation equipment can be carried more conveniently when in use; the connection between the pressure-bearing block and the closing block ensures that the voltage equalizing ring used in the high-voltage power transmission and transformation equipment can be conveniently stored when in use. However, when the device is in use, the pull ring for clamping and fixing the high-voltage cable cannot be adjusted, resulting in it being unable to fix cables of different models, which limits the scope of application of the device. In addition, the voltage equalizing ring cannot be effectively stacked during transportation, resulting in its chaotic placement and difficulty in sorting. Utility Model Content

[0004] The purpose of the present invention is to provide a pressure equalizing ring to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pressure-equalizing ring, comprising a ring body, and also comprising a cross bar arranged on the inner wall of the ring body, a fixing ring being provided on one side of the cross bar; a clamping mechanism being arranged between the cross bar and the fixing ring for fixing cables of different types, the clamping mechanism comprising a screw threadedly connected to the cross bar and the inner wall of the fixing ring, one end of the screw being rotatably connected to a clamping ring, the outer side of the clamping ring being fixedly connected to a limiting rod, and the outer side of the limiting rod being slidably connected to the cross bar and the inner wall of the fixing ring.

[0006] Preferably, one end of the limiting rod is fixedly connected to a limiting cover for limiting its moving distance.

[0007] Preferably, one end of the screw is fixedly connected to an adjusting disk for driving the screw to rotate.

[0008] Preferably, a clamping seat is fixedly connected to the upper surface of the ring body, a locking pin is fixedly connected to the lower surface of the ring body, and the inner wall of the clamping seat is clamped with the outer side of the locking pin.

[0009] Preferably, a first threaded hole is formed on the inner wall of the cross bar, and a second threaded hole is formed on the inner wall of the fixing ring.

[0010] Preferably, the inner walls of the first threaded hole and the second threaded hole are both threadedly connected with a first bolt.

[0011] Preferably, a third threaded hole is formed on the inner wall of the cross bar, and a fourth threaded hole is formed on the inner wall of the ring body.

[0012] Preferably, the inner walls of the third threaded hole and the fourth threaded hole are both provided with a second bolt.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The utility model provides a clamping mechanism, wherein the adjusting disk can be rotated to drive the screw to rotate, and the rotation of the screw drives the clamping ring to move, thereby adjusting the clamping distance of the clamping ring, and thus cables of different types can be clamped and fixed. By providing a clamping seat and a clamping pin, multiple ring bodies can be neatly stacked up and down, and adjacent clamping seats are clamped with the clamping pin to prevent them from slipping. This solves the problem that the pull ring for clamping and fixing the high-voltage cable of the existing equalizing ring cannot be adjusted when in use, resulting in the inability to fix cables of different types, which limits the scope of application of the device, and the equalizing ring cannot be effectively stacked during transportation, resulting in a messy placement and difficulty in sorting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of the pressure equalizing ring provided by the present invention;

[0016] Figure 2 A schematic structural diagram of the clamping mechanism provided by the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the connection between the ring body, cross bar and fixed ring provided by the utility model;

[0018] Figure 4 for Figure 3 A schematic diagram of the structure enlarged in the middle;

[0019] Figure 5 for Figure 3 Schematic diagram of the structure enlarged at point B.

[0020] In the figure: 1. Ring body; 2. Cross bar; 3. Fixed ring; 4. Clamping mechanism; 41. Screw; 42. Snap ring; 43. Limit rod; 44. Limit cover; 45. Adjusting disk; 5. Clamping seat; 6. Bayonet pin; 7. First threaded hole; 8. Second threaded hole; 9. First bolt; 10. Third threaded hole; 11. Fourth threaded hole; 12. Second bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 As shown, a voltage equalizing ring includes a ring body 1, and also includes a cross bar 2 arranged on the inner wall of the ring body 1, and a fixing ring 3 is provided on one side of the cross bar 2; a clamping mechanism 4 is arranged between the cross bar 2 and the fixing ring 3 for fixing cables of different types, and the clamping mechanism 4 includes a screw 41 threadedly connected to the cross bar 2 and the inner wall of the fixing ring 3, one end of the screw 41 is rotatably connected to a clamping ring 42, and the outer side of the clamping ring 42 is fixedly connected to the limiting rod 43, and the outer side of the limiting rod 43 is slidably connected to the cross bar 2 and the inner wall of the fixing ring 3; by setting the ring body 1, side lightning strikes can be effectively prevented, and it is ensured that there is no potential difference between the various parts of the ring, thereby achieving a voltage equalizing effect, and by setting the cross bar 2 and the fixing ring 3, the ring body 1 can be used to connect and fix the cable, and by setting the screw 41, the clamping ring 42 can be driven to move, and by setting the clamping ring 42, the cable can be clamped and fixed, and by setting the limiting rod 43, the clamping ring 42 can be limited, thereby improving its movement stability.

[0023] See also Figure 2 As shown, one end of the limit rod 43 is fixedly connected to a limit cover 44 for limiting its moving distance; one end of the screw rod 41 is fixedly connected to an adjusting disk 45 for driving it to rotate; by setting the limit cover 44, the moving distance of the limit rod 43 can be limited, and by setting the adjusting disk 45, it is convenient for the user to rotate the screw rod 41.

[0024] See also Figure 3 、 Figure 4 and Figure 5As shown, the upper surface of the ring body 1 is fixedly connected with a holder 5, and the lower surface of the ring body 1 is fixedly connected with a pin 6, and the inner wall of the holder 5 is clamped with the outer side of the pin 6; the inner wall of the cross bar 2 is provided with a first threaded hole 7, and the inner wall of the fixing ring 3 is provided with a second threaded hole 8; the inner walls of the first threaded hole 7 and the second threaded hole 8 are both threadedly connected with a first bolt 9; the inner wall of the cross bar 2 is provided with a third threaded hole 10, and the inner wall of the ring body 1 is provided with a fourth threaded hole 11; the inner walls of the third threaded hole 10 and the fourth threaded hole 11 are both provided with a second bolt 12; by arranging the holder 5 and the pin 6, multiple ring bodies 1 can be stacked up and down neatly and not easily slipped, and by arranging the first threaded hole 7 and the second threaded hole 8, the first bolt 9 can be used to connect and fix the cross bar 2 to the fixing ring 3, and by arranging the third threaded hole 10 and the fourth threaded hole 11, the second bolt 12 can be used to connect and fix the cross bar 2 to the ring body 1.

[0025] Working principle: Workers use the base 5 and the pin 6 to stack multiple ring bodies 1 neatly up and down, transport them to the work site, pass the cable through the cross bar 2 and the fixed ring 3, and according to the size of the cable, rotate the adjusting disk 45 to drive the screw 41 to rotate, and the screw 41 drives the clamping ring 42 to move, and the clamping ring 42 moves to clamp and fix the cable, thereby fixing the ring body 1 outside the cable. The first threaded hole 7 and the second threaded hole 8 can facilitate the first bolt 9 to connect and fix the cross bar 2 and the fixed ring 3, and the third threaded hole 10 and the fourth threaded hole 11 can facilitate the second bolt 12 to connect and fix the cross bar 2 and the ring body 1.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure equalizing ring, comprising a ring body (1), characterized in that: Also includes: A crossbar (2) is arranged on the inner wall of the ring body (1), and a fixing ring (3) is arranged on one side of the crossbar (2); A clamping mechanism (4) is provided between the cross bar (2) and the fixing ring (3) for fixing cables of different types. The clamping mechanism (4) comprises a screw rod (41) threadedly connected to the inner wall of the cross bar (2) and the fixing ring (3). One end of the screw rod (41) is rotatably connected to a clamping ring (42). The outer side of the clamping ring (42) is fixedly connected to a limiting rod (43). The outer side of the limiting rod (43) is slidably connected to the inner wall of the cross bar (2) and the fixing ring (3).

2. A pressure equalizing ring according to claim 1, characterized in that: One end of the limiting rod (43) is fixedly connected to a limiting cover (44) for limiting the moving distance thereof.

3. The pressure equalizing ring according to claim 1, characterized in that: One end of the screw rod (41) is fixedly connected to an adjusting disk (45) for driving the screw rod to rotate.

4. The pressure equalizing ring according to claim 1, characterized in that: The upper surface of the ring body (1) is fixedly connected to a clamping seat (5), the lower surface of the ring body (1) is fixedly connected to a clamping pin (6), and the inner wall of the clamping seat (5) is clamped to the outer side of the clamping pin (6).

5. The pressure equalizing ring according to claim 1, characterized in that: A first threaded hole (7) is provided on the inner wall of the crossbar (2), and a second threaded hole (8) is provided on the inner wall of the fixing ring (3).

6. The pressure equalizing ring according to claim 5, characterized in that: The inner walls of the first threaded hole (7) and the second threaded hole (8) are both threadedly connected with a first bolt (9).

7. The pressure equalizing ring according to claim 1, characterized in that: A third threaded hole (10) is provided on the inner wall of the crossbar (2), and a fourth threaded hole (11) is provided on the inner wall of the ring body (1).

8. The pressure equalizing ring according to claim 7, characterized in that: The inner walls of the third threaded hole (10) and the fourth threaded hole (11) are both provided with a second bolt (12).

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