CN214476731U - Suspension type lightning arrester - Google Patents
Suspension type lightning arrester Download PDFInfo
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- CN214476731U CN214476731U CN202120471592.0U CN202120471592U CN214476731U CN 214476731 U CN214476731 U CN 214476731U CN 202120471592 U CN202120471592 U CN 202120471592U CN 214476731 U CN214476731 U CN 214476731U
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- lightning arrester
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- sleeve body
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Abstract
The utility model discloses a suspension type arrester, which belongs to the technical field of arresters and comprises a plurality of sections of arrester body units which are connected in sequence, wherein the connecting end of each two adjacent sections of arrester body units is respectively provided with a connecting shaft and a connecting sleeve body which are matched by screw threads, and one end of the connecting sleeve body, which is back to the connecting shaft, is rotatably connected with the corresponding arrester body unit; the connecting sleeve body is fixedly sleeved with a horizontally arranged directional disc, directional insertion holes are formed in the directional disc at equal intervals along the circumferential side of the directional disc, a connecting sleeve plate located above the connecting sleeve body is sleeved on the connecting shaft in a lifting mode, a pre-tightening spring sleeved on the connecting shaft and fixedly connected with the corresponding lightning arrester body unit is arranged on one side, back to the connecting sleeve body, of the connecting sleeve plate, and directional insertion rods which correspond to the directional insertion holes in a one-to-one mode and can be inserted into the directional insertion holes are fixed on one side, facing the connecting sleeve body, of the connecting sleeve plate. The utility model discloses can realize the stable connection of multisection arrester body unit, and connect step and split step and all easy and simple to handle.
Description
Technical Field
The utility model relates to a lightning arrester technical field, specificly relate to a suspension type lightning arrester.
Background
With the increase of the voltage class and the height of the tower and the further expansion of the power grid, and the increasing frequency of lightning activities, the probability of lightning strike is far higher than that of other lines. Experience shows that research and application of a line arrester is the most effective method for reducing the lightning trip-out rate in mountain line segments with strong lightning activity and difficulty in reducing the ground resistance.
The patent with the publication number of CN 209088267U discloses a suspension type lightning arrester with an air gap, which comprises a lightning arrester body and a series gap, wherein the lightning arrester body is fixedly connected with the series gap, the lightning arrester body is formed by connecting a plurality of sections of lightning arrester body units in series through a flange plate, a single-column series-connected large-energy-density-capacity resistor disc is arranged inside the lightning arrester body unit, and a silicon rubber umbrella skirt is arranged outside the lightning arrester body unit; the series gap is arranged in an annular cylindrical structure, so that the discharge dispersity is small, the corona prevention effect is obvious, the local discharge amount is reduced, and the reliable action and the long-term stable operation of the lightning arrester are ensured; the zinc oxide resistance card with high flow and small size is adopted in the lightning arrester body unit, so that the volume and the weight of the lightning arrester body can be obviously reduced; the lightning arrester body unit with large creepage distance is adopted, and the pollution resistance is strong. However, it has the following disadvantages: the multi-section lightning arrester body units are connected in series through the flange plates, the connecting steps are complex, and the operation steps are also complex during disassembly and assembly.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide a suspension type arrester, its stable connection that can realize multisection arrester body unit, and the connection step is all easy and simple to handle with the split step.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a suspended lightning arrester comprises a plurality of lightning arrester body units which are sequentially connected, wherein a resistor disc with large energy density capacity and single-column series connection is arranged in each lightning arrester body unit, and a silicon rubber umbrella skirt is arranged outside each lightning arrester body unit; the connecting ends of every two adjacent sections of the lightning arrester body units are respectively provided with a connecting shaft and a connecting sleeve body sleeved outside the connecting shaft, the longitudinal section of the connecting sleeve body is concave, and the inner side surface of the connecting sleeve body is in threaded connection with the connecting shaft through a threaded connection structure; one end of the connecting sleeve body, which is back to the connecting shaft, is rotatably connected with the corresponding lightning arrester body unit;
the lightning arrester connecting sleeve is characterized in that a horizontally arranged directional disc is fixedly sleeved on the connecting sleeve body, at least two directional jacks longitudinally penetrating through the upper end face and the lower end face of the directional disc are arranged on the directional disc at equal intervals along the circumferential side of the directional disc, a connecting sleeve plate located above the connecting sleeve body is sleeved on the connecting shaft in a lifting mode, a pre-tightening spring sleeved on the connecting shaft and fixedly connected with a corresponding lightning arrester body unit is arranged on one side, facing the connecting sleeve plate, of the connecting sleeve plate, directional insertion rods which correspond to the directional jacks one to one and can be inserted into the directional jacks are fixed on one side face of the connecting sleeve body of the connecting sleeve plate.
Furthermore, the center of one end of the connecting sleeve body, which faces away from the connecting shaft, is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the corresponding lightning arrester body unit through a bearing. The rotating connection between the connecting sleeve body and the corresponding lightning arrester body unit can be effectively realized through the rotating shaft and the bearing.
Furthermore, an inclined section is arranged on one side of the lower portion of the directional inserted rod, which corresponds to the rear side of the rotation direction of the directional disk when the connecting sleeve body is screwed tightly, and the top of the inclined section is higher than that of the directional disk. In the process of screwing the connecting sleeve body and the connecting shaft, the directional insertion rod can be inserted into the directional insertion hole and can block the reverse rotation of the directional disc, namely the reverse rotation of the connecting sleeve body, and due to the existence of the oblique section, when the directional disc rotates in the forward direction, the part of the directional insertion hole, which is abutted against the oblique section, can push the directional insertion rod to move upwards and push the connecting sleeve plate to ascend, and the bottom of the directional insertion rod is positioned above the directional insertion hole, so that the directional disc can smoothly rotate in the forward direction.
Furthermore, an operation disc is fixedly sleeved at one end of the connecting sleeve body, which is back to the connecting sleeve plate; and a limiting block positioned between the connecting sleeve plate and the connecting sleeve body is fixed on the connecting shaft. The connecting sleeve body can be conveniently controlled to rotate by operating the disc; the connecting sleeve plate can be limited by the limiting block, and the connecting sleeve plate is prevented from being separated from the connecting shaft.
Furthermore, a moving cavity is formed in the arrester body unit connected with the connecting shaft, one end, back to the connecting sleeve body, of the connecting shaft extends into the moving cavity, the connecting shaft is fixedly connected with a lifting plate capable of longitudinally moving in the moving cavity, and the connecting shaft is connected with the corresponding arrester body unit in a sliding mode. Through lifter plate and removal chamber for the connecting axle can carry out telescopic removal for arrester body unit, to the arrester body unit that is not located both ends side, when needs are dismantled to it, shifts up the connecting sleeve board, makes directional inserted bar break away from directional jack, and the connection cover body is moved up to the antiport, shifts up the connecting axle simultaneously, can ensure to make the connecting sleeve body pine take off the connecting axle, thereby can dismantle this arrester body unit.
3. Advantageous effects
(1) The connecting shaft and the connecting sleeve body which are matched by the screw thread can realize the connection between two sections of lightning arrester body units by the screw thread connection mode, and the connection steps are simple and convenient to operate; when the two sections of the lightning arrester body units are to be disassembled, the connecting sleeve bodies are rotated reversely, and the disassembling step is simple and convenient to operate.
(2) The utility model discloses be equipped with the directional disc of fixing on the connecting cover body and slide the suit and connect the lagging at the epaxial connection, directional jack has been seted up on the directional disc, is equipped with the pretension spring between connecting lagging and corresponding arrester body unit, connects the lagging towards be fixed with on the side of the connecting cover body with directional jack one-to-one and can insert the directional inserted bar in the directional jack. When the connecting sleeve is used, the connecting sleeve plate can be pushed to move downwards under the action of the elastic force of the pre-tightening spring, the directional insertion rod can be driven to be inserted into the directional insertion hole, the directional insertion rod can block the directional disc from reversely rotating, and therefore stable connection between the connecting sleeve body and the connecting shaft can be achieved.
To sum up, the utility model discloses can realize the stable connection of multisection arrester body unit, and connect step and split step and all easy and simple to handle.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection structure between two adjacent segments of the arrester body units 10 taken along a vertical center plane in embodiment 1;
FIG. 3 is a top view of the coupling sleeve 6 and the orientation disk 2;
fig. 4 is a perspective view of the directional insert rod 11;
fig. 5 is a schematic view of the connection structure between two adjacent segments of the arrester body units 10 taken along a vertical center plane in embodiment 2.
Reference numerals: 1. operating the disc; 2. orienting the disc; 3. a connecting shaft; 4. pre-tightening the spring; 5. connecting the sleeve plate; 6. connecting the sleeve body; 7. a rotating shaft; 8. a threaded connection; 9. directional jacks; 10. a lightning arrester body unit; 11. a directional inserted link; 12. a bearing; 13. an oblique section; 14. a lifting plate; 15. a moving chamber; 16. and a limiting block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A suspended lightning arrester as shown in fig. 1 comprises a plurality of lightning arrester body units 10 connected in sequence, wherein a resistor disc with large energy density capacity and connected in series through a single column is arranged inside each lightning arrester body unit 10, and a silicon rubber umbrella skirt is arranged outside each lightning arrester body unit 10; as shown in fig. 2, the connecting ends of every two adjacent sections of the arrester body unit 10 are respectively provided with a connecting shaft 3 and a connecting sleeve body 6 for being sleeved outside the connecting shaft 3, the longitudinal section of the connecting sleeve body 6 is concave, and the inner side surface of the connecting sleeve body 6 is in threaded connection with the connecting shaft 3 through a threaded connection structure 8; one end of the connecting sleeve body 6, which is back to the connecting shaft 3, is rotatably connected with the corresponding lightning arrester body unit 10;
as shown in fig. 2 and 3, the fixed suit has the directional disc 2 that the level set up on the connecting cover body 6, set up four directional jack 9 that vertically link up its terminal surface from top to bottom along its week equidistant on the directional disc 2, the liftable formula cover is equipped with the connecting sleeve board 5 that is located the connecting cover body 6 top on the connecting axle 3, one side of connecting sleeve board 5 dorsad connecting cover body 6 is equipped with the pretension spring 4 of suit on the connecting axle 3 and with corresponding arrester body unit 10 fixed connection, connecting sleeve board 5 is fixed with the directional inserted bar 11 that can insert in directional jack 9 with directional jack 9 one-to-one on the side of connecting cover body 6.
As shown in fig. 2, a rotating shaft 7 is fixedly connected to the center of one end of the connecting sleeve body 6, which is opposite to the connecting shaft 3, and the rotating shaft 7 is rotatably connected to the corresponding arrester body unit 10 through a bearing 12. The rotary connection of the connecting sleeve body 6 to the corresponding arrester body unit 10 is effectively achieved by the rotary shaft 7 and the bearing 12.
As shown in fig. 4, the lower portion of the orientation insert rod 11 is provided with an inclined section 13 corresponding to a side of the rear side of the orientation disc 2 in the rotation direction when the coupling sleeve body 6 is screwed, and the top of the inclined section 13 is higher than the top of the orientation disc 2. In the process of screwing the connecting sleeve body 6 and the connecting shaft 3, the directional insertion rod 11 can be inserted into the directional insertion hole 9 and can block the reverse rotation of the directional disc 2, namely the reverse rotation of the connecting sleeve body 6, and due to the inclined section 13, when the directional disc 2 rotates forwards, the part of the directional insertion hole 9, which is abutted against the inclined section 13, can push the directional insertion rod 11 to move upwards and push the connecting sleeve plate 5 to ascend until the bottom of the directional insertion rod 11 is positioned above the directional insertion hole 9, so that the directional disc 2 can smoothly rotate forwards.
Example 2
The present embodiment is different from embodiment 1 in that:
in this embodiment, the orientation disk 2 has two orientation insertion holes 9 formed along its circumference at equal intervals and longitudinally penetrating its upper and lower end surfaces.
In the present embodiment, as shown in fig. 1, an operating disc 1 is fixedly sleeved at one end of the connecting sleeve body 6, which is opposite to the connecting sleeve plate 5; and a limiting block 16 positioned between the connecting sleeve plate 5 and the connecting sleeve body 6 is fixed on the connecting shaft 3. The connecting sleeve body 6 can be conveniently controlled to rotate by operating the disc 1; the connecting sleeve plate 5 can be limited by the limiting block 16 and prevented from being separated from the connecting shaft 3.
In this embodiment, as shown in fig. 5, a moving cavity 15 is formed in the lightning arrester body unit 10 to which the connecting shaft 3 is connected, one end of the connecting shaft 3, which is away from the connecting sleeve body 6, extends into the moving cavity 15 and is fixedly connected with a lifting plate 14 capable of longitudinally moving in the moving cavity 15, and the connecting shaft 3 is slidably connected with the corresponding lightning arrester body unit 10. Through lifter plate 14 and removal chamber 15 for connecting axle 3 can carry out telescopic removal for arrester body unit 10, to the arrester body unit 10 that is not located both ends side, when needs dismantle it, shifts up connecting sleeve board 5, makes directional inserted bar 11 break away from directional jack 9, and the reverse rotation connecting sleeve body 6, moves up connecting axle 3 simultaneously, can ensure to make connecting sleeve body 6 pine take off connecting axle 3, thereby can dismantle this arrester body unit 10.
Otherwise, the same procedure as in example 1 was repeated.
The specific application process of the suspension type lightning arrester comprises the following steps:
when two sections of the lightning arrester body units 10 are connected, the connecting sleeve body 6 is sleeved on the connecting shaft 3 and the connecting sleeve body 6 is rotated, so that the connecting sleeve body 6 is screwed on the connecting shaft 3 through the threaded connecting structure 8, and the directional insertion rod 11 is inserted into the directional insertion hole 9, the connecting sleeve body 6 can be prevented from accidentally rotating reversely, the connecting sleeve body 6 can be prevented from being separated from the connecting shaft 3, stable connection between the two sections of the lightning arrester body units 10 is guaranteed, and the connecting step is simple and convenient to operate;
when the two sections of the arrester body units 10 are to be disassembled, the connecting sleeve plate 5 is firstly moved upwards to enable the directional insertion rod 11 to be separated from the directional insertion hole 9, then the connecting sleeve body 6 is rotated reversely, the connecting sleeve body 6 can be separated from the connecting shaft 3, the two sections of the arrester body units 10 can be disassembled, and the disassembling operation is simple and convenient.
According to the above, the present invention can realize the stable connection of the multi-section lightning arrester body unit, and the connection step and the separation step are both easy and simple to handle.
It should be understood by those skilled in the art that the above embodiments are only used for illustrating the present invention and are not used as limitations of the present invention, and that changes and modifications to the above embodiments are within the scope of the appended claims as long as they are within the true spirit of the present invention.
Claims (5)
1. A suspension type lightning arrester comprises a plurality of sections of lightning arrester body units (10) which are sequentially connected, wherein a single-column series resistance card with large energy density capacity is arranged inside each lightning arrester body unit (10), and a silicon rubber umbrella skirt is arranged outside each lightning arrester body unit (10); the lightning arrester is characterized in that the connecting ends of every two adjacent sections of the lightning arrester body units (10) are respectively provided with a connecting shaft (3) and a connecting sleeve body (6) sleeved outside the connecting shaft (3), the longitudinal section of the connecting sleeve body (6) is concave, and the inner side surface of the connecting sleeve body (6) is in threaded connection with the connecting shaft (3) through a threaded connection structure (8); one end of the connecting sleeve body (6) back to the connecting shaft (3) is rotatably connected with the corresponding lightning arrester body unit (10);
fixed cover is equipped with directional disc (2) that the level set up on the link sleeve body (6), directional disc (2) are gone up and are seted up at least two orientation jack (9) that vertically link up its upper and lower terminal surface along its week equidistant, the liftable formula cover is equipped with connection lagging (5) that are located link sleeve body (6) top on connecting axle (3), one side of connecting lagging (5) the link sleeve body (6) dorsad is equipped with suit on connecting axle (3) and with corresponding arrester body unit (10) fixed connection's pretension spring (4), be fixed with on the side of link sleeve body (6) of link lagging (5) orientation and can insert orientation inserted bar (11) in orientation jack (9) with orientation jack (9) one-to-one.
2. A suspended lightning arrester according to claim 1, characterized in that a rotating shaft (7) is fixedly connected to the center of the end of the connecting sleeve (6) facing away from the connecting shaft (3), and the rotating shaft (7) is rotatably connected to the corresponding lightning arrester body unit (10) via a bearing (12).
3. A suspended lightning arrester according to claim 1, characterized in that the lower part of the directional plug rod (11) is provided with an inclined section (13) on the side corresponding to the rear side in the direction of rotation of the directional disc (2) when the coupling sleeve (6) is tightened, and the top of the inclined section (13) is higher than the top of the directional disc (2).
4. A suspended lightning arrester according to claim 1, characterized in that the end of the connecting sleeve body (6) facing away from the connecting sleeve plate (5) is fixedly sleeved with the operating disc (1); and a limiting block (16) positioned between the connecting sleeve plate (5) and the connecting sleeve body (6) is fixed on the connecting shaft (3).
5. A suspended lightning arrester according to claim 1, characterized in that a moving chamber (15) is formed in the lightning arrester body unit (10) to which the connecting shaft (3) is connected, one end of the connecting shaft (3) facing away from the connecting sleeve body (6) extends into the moving chamber (15) and is fixedly connected with a lifting plate (14) capable of moving longitudinally in the moving chamber (15), and the connecting shaft (3) is slidably connected with the corresponding lightning arrester body unit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471592.0U CN214476731U (en) | 2021-03-04 | 2021-03-04 | Suspension type lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471592.0U CN214476731U (en) | 2021-03-04 | 2021-03-04 | Suspension type lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476731U true CN214476731U (en) | 2021-10-22 |
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ID=78153348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120471592.0U Active CN214476731U (en) | 2021-03-04 | 2021-03-04 | Suspension type lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476731U (en) |
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2021
- 2021-03-04 CN CN202120471592.0U patent/CN214476731U/en active Active
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