CN211629838U - Lightning arrester connecting device - Google Patents
Lightning arrester connecting device Download PDFInfo
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- CN211629838U CN211629838U CN202020216524.5U CN202020216524U CN211629838U CN 211629838 U CN211629838 U CN 211629838U CN 202020216524 U CN202020216524 U CN 202020216524U CN 211629838 U CN211629838 U CN 211629838U
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- screw rod
- arrester
- rod
- fixing sleeve
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Abstract
The utility model discloses a lightning arrester connecting device, which comprises a connecting rod, a connecting screw rod and a connecting fixing sleeve, wherein the lightning arrester is connected with the connecting rod through the connecting screw rod, the connecting fixing sleeve is provided with a clamping hole for a clamp connecting rod, the connecting rod is provided with a pair of through first through holes, the connecting fixing sleeve is provided with a pair of through second through holes, the first through holes and the second through holes are waist-shaped holes, the upper end of the connecting screw rod passes through the first through holes and the second through holes, the connecting screw rod is respectively provided with an adjusting fixing nut near the two second through holes, and an adjusting retaining ring is respectively arranged between the two adjusting fixing nuts and the outer wall of the connecting fixing sleeve; by adopting the lightning arrester connecting device with the structure, the vertical mounting height of the connecting screw rod can be adjusted by adjusting the fixing nut, and meanwhile, the mounting angle of the connecting screw rod is adjusted by adjusting the check ring, so that the mounting position of the lightning arrester can be quickly adjusted to adapt to different distances between transmission wires and the cross arm of the tower.
Description
Technical Field
The utility model relates to an arrester installation technical field especially relates to an arrester connecting device.
Background
The stability of the grid is directly related to the transmission line and to the reliability of the power supply, and therefore, it is necessary to ensure the safe operation of the transmission line. From the overhead transmission line condition, the problem of thunderbolt is a problem that must not neglect, and transmission line erects in the field, receives the thunderbolt very easily. After the power transmission line is struck by lightning, the power transmission line is impacted by huge overvoltage and lightning overcurrent, so that the line is tripped and an insulator string is flashover at a light moment, and a lead and an overhead lightning conductor are broken at a heavy moment, so that shutdown faults are caused, and even large-area power failure accidents are caused. Therefore, the lightning protection of the power transmission line must be well done, wherein the lightning arrester is a common and effective lightning protection measure when being installed on the power transmission line. At present, for the arrester installation structure adopting the pure air insulation gap, the arrester needs to be ensured to be in a vertical state, and the pure air gap between the discharge end and the lead is kept within a set distance range, but the lengths of the insulator strings of the towers in the field are different at present, different arrester connection devices need to be configured to match the length change ranges of the insulator strings of different towers, and unreasonable utilization of the installation structure can be caused. In addition, the connecting device is connected by adopting a fixed connecting structure, after the connecting device is installed on a cross arm of a tower, the final position of the lightning arrester is fixed, if the lightning arrester is not installed in place, the lightning arrester needs to be detached and reinstalled, local adjustment cannot be carried out, the power failure installation time can be greatly prolonged, and the operation loss of a power grid is huge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be according to the arrester connecting device of the installation height and the angle of pitch of angle of actual installation environment reasonable regulation arrester in the certain limit.
In order to achieve the above object, the utility model discloses an arrester connecting device, which comprises a connecting rod, a connecting screw rod and a connecting fixing sleeve, wherein one end of the connecting rod is connected with a tower frame for erecting a transmission lead, the other end of the connecting rod transversely extends out of the tower frame and then is connected with a vertically arranged connecting screw rod, the lower end of the connecting screw rod is connected with an arrester, a clamping hole for clamping the connecting rod is arranged on the connecting fixing sleeve, one end of the connecting rod connected with the connecting screw rod is provided with a pair of first through holes which are in a penetrating type, the upper side wall and the lower side wall of the connecting fixing sleeve are also provided with a pair of second through holes which are in a penetrating type, the first through hole and the second through holes are waist-shaped holes, the upper end of the connecting screw rod penetrates through the first through hole and the second through holes, so that the connecting fixing, the adjusting and fixing nuts are respectively arranged on the connecting screw rod and close to the two second through holes, an adjusting check ring is further arranged between each adjusting and fixing nut and the outer wall of the connecting and fixing sleeve, the diameter of each adjusting check ring is equivalent to that of the connecting screw rod, and each adjusting check ring is used for adjusting the angle of the connecting screw rod relative to the connecting rod.
Compared with the prior art, the lightning arrester connecting device of the utility model has the advantages that the lightning arrester is connected with the connecting rod through the connecting screw rod and the connecting fixed sleeve, because the connecting screw rod passes through the connecting rod and then is fixed on the connecting fixing sleeve by the adjusting fixing nut which is connected with the connecting screw rod through the teeth, therefore, the up-and-down movement of the connecting screw rod in the connecting rod and the connecting fixed sleeve can be controlled by rotating the adjusting fixed nut, thereby achieving the purpose of controlling the installation height of the lightning arrester, in addition, as the first connecting hole and the second connecting hole which are mutually matched are kidney-shaped holes, the connecting screw rod can be driven to swing in the first connecting hole and the second connecting hole by moving the adjusting retainer ring, thereby achieving the purpose of adjusting the pitch angle of the arrester positioned at the lower end of the connecting screw rod, and further achieving the purpose of quickly adjusting the air gap between the lower end of the arrester and the transmission lead in another mode; from this, adopt the arrester connecting device installation arrester of above-mentioned structure, be favorable to simplifying the product specification model of arrester, need not pay attention to the mounting height of arrester among the erection joint process moreover very much, connect the completion after, again go on finely tune can, have simple to operate, save mounting material's advantage.
Preferably, the upper and lower side walls of the connecting fixing sleeve are provided with anti-skid grains.
Preferably, the connecting fixing sleeve is detachably connected with the connecting rod.
Preferably, the connecting and fixing sleeve comprises two opposite clamping sleeves detachably connected together, each of the two clamping sleeves is provided with an arc-shaped concave portion, and when the two clamping sleeves are butted together, the two arc-shaped concave portions form the clamping hole.
Preferably, the two cutting sleeves are connected in a clamping mode through a mortise and tenon structure.
Preferably, the lightning arrester is of a tubular structure.
Drawings
Fig. 1 is the utility model discloses embodiment arrester connecting device's mounting structure sketch map.
Fig. 2 is the embodiment of the present invention, which is an exploded schematic view of the lightning arrester connecting device.
Fig. 3 is an enlarged view of a portion a of fig. 1.
Fig. 4 is a schematic perspective view of an embodiment of the present invention.
Fig. 5 is a cross-sectional view of an arrester connecting device according to an embodiment of the present invention.
Fig. 6 is a schematic view of a three-dimensional structure of a connecting fixing sleeve in an embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 to 5, the utility model discloses an arrester connecting device to install and adjust arrester 4 among the overhead transmission line, preferred tubular structure has better arc extinguishing effect for arrester 4. The arrester connecting device in the embodiment comprises a connecting rod 1, a connecting screw rod 2 and a connecting fixing sleeve 3, wherein one end of the connecting rod 1 is connected with a tower frame for erecting a transmission lead 8, the other end of the connecting rod 1 transversely extends out of the tower frame and then is connected with the connecting screw rod 2 which is vertically arranged, the lower end of the connecting screw rod 2 is used for installing an arrester 4, a clamping hole 30 for clamping the connecting rod 1 is arranged on the connecting fixing sleeve 3, one end of the connecting rod 1, which is connected with the connecting screw rod 2, is provided with a pair of through first through holes 10, the upper side wall and the lower side wall of the connecting fixing sleeve 3 are also provided with a pair of second through holes 31 which penetrate through the clamping hole 30, the first through holes 10 and the second through holes 31 are kidney-shaped holes, the upper end of the connecting screw rod 2 penetrates through the first through holes 10 and the second through holes 31, so that the connecting fixing sleeve 3 and, this regulation fixation nut 5 both can be used to fixed connection screw rod 2, can be used to adjust the upper and lower displacement of connecting screw rod 2 again, when needs adjust connecting screw rod 2 and reciprocate, through adjusting the radial position adjustment of fixation nut 5 on connecting screw rod 2, makes connecting screw rod 2 rise or descend to control arrester 4 is at the ascending removal of vertical direction. An adjusting retainer ring 6 is arranged between each of the two adjusting fixing nuts 5 and the outer wall of the connecting fixing sleeve 3, the diameter of the adjusting retainer ring 6 is equal to that of the connecting screw rod 2, and the adjusting retainer ring 6 is used for adjusting the angle of the connecting screw rod 2 relative to the connecting rod 1.
When the lightning arrester 4 is installed by adopting the lightning arrester connecting device with the structure, the connecting fixing sleeve 3 and the connecting rod 1 are clamped together through the clamping hole 30, then the connecting screw rod 2 penetrates into the first through hole 10 on the connecting rod 1 from the second through hole 31 below the connecting fixing sleeve 3 and penetrates out of the first through hole 10 above the connecting rod 1 and then penetrates out of the second through hole 31 above the connecting fixing sleeve 3, so that the connecting rod 1 and the connecting screw rod 2 are crossed and fixedly connected together, the lightning arrester 4 and the insulator string 7 are installed on the tower frame in parallel through the connecting rod 1, the lightning arrester 4 is positioned above the transmission lead 8, a certain air gap is formed between the lightning arrester 4 and the transmission lead 8, when lightning strikes the tower frame or the lead, the air gap between the lightning arrester 4 and the transmission lead 8 is firstly punctured by the insulator string 7, and the insulator string 7 is protected from being damaged, thereby protecting the safe operation of the transmission conductor 8.
In the above embodiment, the lightning arrester 4 is connected with the connecting rod 1 through the connecting screw rod 2 and the connecting fixing sleeve 3, because the connecting screw rod 2 is fixed on the connecting fixing sleeve 3 by the adjusting fixing nut 5 after passing through the connecting rod 1, and the adjusting fixing nut 5 is connected with the connecting screw rod 2 through the teeth, the connecting screw rod 2 can be controlled to move up and down in the connecting rod 1 and the connecting fixing sleeve 3 by rotating the adjusting fixing nut 5, so that the purpose of controlling the installation height of the lightning arrester 4 is achieved. In addition, the air gap between the lightning arrester 4 and the transmission conductor 8 can be adjusted to a large extent by adjusting the elevation angle of the connecting rod 1. Because the first through hole 10 and the second through hole 31 are elongated through holes, when the inclination angle of the connecting screw rod 2 needs to be adjusted, the adjusting fixing nut 5 is firstly loosened, then the adjusting retaining ring 6 is pushed and pulled, and the adjusting retaining ring 6 drives the connecting screw rod 2 to swing and move in the first through hole 10 and the second through hole 31, so that when the elevation angle of the connecting rod 1 is adjusted to be changed, the lightning arrester 4 is kept in a vertical state, and the adjusting fixing nut 5 is fastened and adjusted after the connecting rod is adjusted to be in place, so that the connecting screw rod 2 is fixed at the angle. Preferably, in order to avoid the adjustment retainer ring 6 from slipping, the upper and lower sidewalls of the connection fixing sleeve 3 are provided with anti-slip lines 32.
Further, as shown in fig. 5 and fig. 6, the connecting and fixing sleeve 3 includes two opposite clamping sleeves 35 detachably connected together, the inner walls of the two clamping sleeves 35 are respectively provided with an arc-shaped recess 33, and when the two clamping sleeves 35 are butted together, the two arc-shaped recesses 33 form the clamping hole 30. In this embodiment, the connecting fixing sleeve 3 is arranged to be a split structure consisting of two clamping sleeves 35, so that the mounting and the dismounting are both convenient. Preferably, the two cutting sleeves 35 are connected in a snap-fit manner by a mortise and tenon mechanism 34.
To sum up, as fig. 1 to fig. 6, the utility model discloses an arrester connecting device, connecting rod 1 stretches out the back from the cross arm of pylon, is connected with connecting screw 2 at terminal, and the perpendicular mounting height of 5 adjustment connecting screw 2 of fixing nut is adjusted to 4 accessible of arrester, and the while is through the installation angle of 6 adjustment connecting screw 2 of adjustment retaining ring to make things convenient for the air gap between quick adjustment arrester 4 and the transmission wire 8, realize the adjustment of 4 mounted position of arrester, with the interval of the transmission wire 8 and the pylon cross arm of adaptation difference.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (6)
1. A lightning arrester connecting device is characterized by comprising a connecting rod, a connecting screw rod and a connecting fixing sleeve, wherein one end of the connecting rod is connected with a tower frame for erecting a transmission wire, the other end of the connecting rod transversely extends out of the tower frame and then is connected with a vertically arranged connecting screw rod, the lower end of the connecting screw rod is connected with a lightning arrester, a clamping hole for clamping the connecting rod is arranged on the connecting fixing sleeve, one end of the connecting rod connected with the connecting screw rod is provided with a pair of first through holes penetrating through, the upper side wall and the lower side wall of the connecting fixing sleeve are also provided with a pair of second through holes penetrating through the clamping hole, the first through holes and the second through holes are waist-shaped holes, the upper end of the connecting screw rod penetrates through the first through holes and the second through holes so as to fix the connecting fixing sleeve and the connecting rod together, and adjusting fixing nuts are respectively arranged at the positions, close to the two second, two adjust fixation nut respectively with be connected still be provided with an adjustment retaining ring between the outer wall of fixed cover, the diameter of adjustment retaining ring with the diameter of connecting screw is equivalent, the adjustment retaining ring is used for adjusting the connecting screw is relative the angle of connecting rod.
2. The arrester connecting device according to claim 1, wherein the upper and lower side walls of the connecting fixing sleeve are provided with anti-slip lines.
3. The arrester connection device of claim 1 wherein the connection harness is removably connected to the connection rod.
4. The arrester connector of claim 1 wherein said connecting harness includes two opposed removably connected ferrules, each of said ferrules having an arcuate recess formed therein, said arcuate recesses forming said latch openings when said ferrules are mated together.
5. The arrester connecting device according to claim 4, wherein the two ferrules are snap-connected by a mortise and tenon structure.
6. The surge arrester connector apparatus according to claim 1, wherein the surge arrester is of a tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216524.5U CN211629838U (en) | 2020-02-26 | 2020-02-26 | Lightning arrester connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216524.5U CN211629838U (en) | 2020-02-26 | 2020-02-26 | Lightning arrester connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629838U true CN211629838U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216524.5U Active CN211629838U (en) | 2020-02-26 | 2020-02-26 | Lightning arrester connecting device |
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| CN (1) | CN211629838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358000A (en) * | 2021-06-17 | 2021-09-07 | 广东电网有限责任公司 | Air gap measuring method of gap arrester |
-
2020
- 2020-02-26 CN CN202020216524.5U patent/CN211629838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358000A (en) * | 2021-06-17 | 2021-09-07 | 广东电网有限责任公司 | Air gap measuring method of gap arrester |
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