CN111740372B - Extra-high voltage lightning arrester - Google Patents
Extra-high voltage lightning arrester Download PDFInfo
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- CN111740372B CN111740372B CN202010665466.9A CN202010665466A CN111740372B CN 111740372 B CN111740372 B CN 111740372B CN 202010665466 A CN202010665466 A CN 202010665466A CN 111740372 B CN111740372 B CN 111740372B
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- pasting
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000010030 laminating Methods 0.000 claims description 48
- 239000004020 conductor Substances 0.000 claims description 36
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention relates to the technical field of sealing structures of extra-high voltage arresters, in particular to an extra-high voltage arrester.
Description
Technical Field
The invention relates to the technical field of sealing structures of extra-high voltage arresters, in particular to an extra-high voltage arrester.
Background
For example, the publication number is CN209657924U, the sealing structure for the extra-high voltage arrester comprises a through hole arranged on a base of the arrester and a conductor located in the through hole and matched with the through hole, the through hole is a stepped hole, a pressing plate matched with the conductor is arranged on the conductor, the stepped hole is provided with a first insulating sleeve matched with the stepped hole, the first insulating sleeve is provided with a second insulating sleeve, and the second insulating sleeve is provided with a third insulating sleeve. The requirements of various operation conditions of the extra-high voltage arrester on the sealing performance are met. The device adopts multilayer insulation treatment and utilizes a sealing ring to seal, but the device only seals the lower part of a sealing part, and the sealing effect is limited.
Disclosure of Invention
The invention aims to provide an extra-high voltage arrester, which can be used for sealing a sealing part in a wrapping manner, and adopts a symmetrical structure, so that parts are symmetrically buckled, the integral wrapping property and the stability are enhanced in a mechanical manner, the sealing effect is further enhanced, and the service life of the arrester is prolonged.
The purpose of the invention is realized by the following technical scheme:
an extra-high voltage arrester comprises a supporting connection bottom plate, a lightning conductor and a sealing ring, and further comprises a lower positioning seat, a middle laminating pressing plate, an upper buckling seat, an insulating sleeve I, an insulating sleeve II, a positioning buckling sleeve, a bolt and nut group and nuts, wherein the lower positioning seat is slidably connected to the supporting connection bottom plate, the part of the lower positioning seat penetrating through the supporting connection bottom plate is supported and positioned by four nuts, the lower part of the lightning conductor is slidably connected to the lower part of the lower positioning seat, the four nuts are matched with the lower part of the lower positioning seat at the four corners of the lower positioning seat, the two groups of nuts on the upper side and the lower side are in one-to-one correspondence, the lower parts of the supporting connection bottom plate, the lower positioning seat and the lower part of the lightning conductor are clamped between the lower positioning seat and the lower positioning seat, the two middle laminating pressing plates are symmetrically laminated, the middle laminating pressing plate on the lower side is arranged on the upper surface of the lower positioning seat, go up the lock seat and laminate in the upper surface of the middle part laminating clamp plate of upside, two go up the lock seat with two middle part laminating clamp plates clamp between it and utilize bolt and nut group to press from both sides four parts tight fixedly in the four corners department, be provided with the sealing washer between two middle part laminating clamp plates, be provided with insulating cover I in the cylinder space that two middle part laminating clamp plate middle parts formed, insulating cover II is provided with two, lightning-arrest conductor is wrapped up in by two insulating covers II, and two II symmetrical placement of insulating cover all are provided with an insulating cover II in every middle part laminating clamp plate, and the main part of two insulating covers II by insulating cover I parcel, the end department of two insulating covers II all coordinates has the location lock cover, and the location lock cover of going up the downside is tight by last lock seat and lower positioning seat lock respectively.
As a further optimization of the technical scheme, according to the extra-high voltage arrester, four holes I are uniformly formed in the supporting and connecting bottom plate in the circumferential direction, four lower sliding screw rods are uniformly arranged in the lower portion of the lower positioning seat in the circumferential direction, the four lower sliding screw rods are respectively connected in the four holes I in a sliding mode, and each lower sliding screw rod is connected with a nut in a matched mode.
As a further optimization of the technical scheme, the invention provides an extra-high voltage arrester, wherein the lower positioning seat comprises a lower flitch, a hole ii, a lower annular buckle sleeve, threaded pipes, an upper screw, a lower flitch and a lower sliding screw, the four corners of the lower flitch are respectively provided with a hole ii, the lower annular buckle sleeve is arranged in the middle of the lower flitch, the lower part of the lower flitch is circumferentially and uniformly provided with four threaded pipes, each threaded pipe is internally and cooperatively connected with an upper screw through threads, the lower end of the upper screw is fixedly connected with the lower flitch, the lower end of the lower flitch is fixedly connected with the lower sliding screw, each upper screw is cooperatively connected with a nut, the four corners of the lower end of the lightning conductor are respectively and slidably connected to the four upper screws, the lower surfaces of the four upper screws are attached to the upper surfaces of the four lower flitches, the upper buckle seat comprises an upper annular buckle sleeve, a hole iii and an upper flitch, the four corners of the upper flitch are respectively provided with a hole iii, the upper part of the lower side of the upper side of the lower side.
As a further optimization of the technical scheme, according to the extra-high voltage arrester, the middle part of the middle part joint pressure plate is provided with a conductor through hole, the outer dimension of the conductor through hole is provided with a ring pipe, four holes iv are uniformly arranged between the conductor through hole and the ring pipe, four corners of the middle part joint pressure plate are provided with connecting parts, the bolt and nut group penetrates through the corresponding connecting parts, the upper end and the lower end of the bolt and nut group are respectively pressed and stuck with an upper sticking plate and a lower sticking plate, and the holes ii and the holes iii are matched with the corresponding connecting parts.
According to the extra-high voltage arrester, the inner side surfaces of the middle bonding pressing plates are provided with the ring grooves, the inner side surfaces of the two middle bonding pressing plates are bonded, the two ring grooves form a complete cavity, and the sealing ring is filled in the complete cavity.
According to the ultrahigh voltage arrester, the lower end of the lightning conductor is uniformly provided with four plates, the end of each plate is provided with a hole V, four upper screws are respectively connected in the four holes V in a sliding manner, and the four plates are respectively attached to four lower attaching plates.
As the technical scheme is further optimized, the upper end of the insulation sleeve II is provided with the supporting ring plate, the supporting ring plate is evenly provided with four holes VI, the two supporting ring plates are respectively attached to the two ring pipes, and the positioning buckling sleeve penetrates through the corresponding holes VI.
According to the extra-high voltage arrester, the positioning buckling sleeve comprises a ring plate and four sliding columns, the ring plate is evenly provided with the four sliding columns, and the sliding columns are connected in the corresponding holes VI and IV in a sliding mode.
As further optimization of the technical scheme, the invention provides the extra-high voltage arrester, wherein the insulation sleeve I and the insulation sleeve II are made of alkali-free glass fiber yarns.
As further optimization of the technical scheme, the sealing ring is a CR chloroprene rubber sealing ring.
The extra-high voltage arrester has the beneficial effects that:
this device utilizes positioning seat, middle part laminating clamp plate down, goes up interconnect between lock seat, insulating cover I, insulating cover II and the sealing washer and realizes adopting the parcel nature to sealed position sealed, and the structure adopts symmetrical formula structure, makes the part carry out the symmetry lock to whole parcel nature and steadiness are strengthened to mechanical mode, and then strengthen sealed effect, improve the life of arrester.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of an extra-high voltage arrester according to the present invention;
FIG. 2 is a schematic structural view in overall section of the present invention;
FIG. 3 is a schematic structural view of the support connection base of the present invention;
FIG. 4 is a schematic structural diagram of the lower positioning base of the present invention;
FIG. 5 is a first schematic structural view of a middle laminating platen according to the present invention;
FIG. 6 is a second schematic structural view of a middle conformable platen of the present invention;
FIG. 7 is a schematic view of an upper fastener base according to the present invention;
fig. 8 is a schematic view of the structure of the lightning conductor of the invention;
FIG. 9 is a schematic view of the structure of the insulating sleeve I of the present invention;
FIG. 10 is a schematic view of the structure of the insulating sleeve II of the present invention;
FIG. 11 is a schematic view of a positioning fastening sleeve according to the present invention.
In the figure: supporting the connecting bottom plate 1; 1-1 of a hole; a lower positioning seat 2; 2-1 of a lower pasting board; a hole II 2-2; 2-3 of a lower annular buckle sleeve; 2-4 parts of a threaded pipe; 2-5 of an upper screw rod; 2-6 parts of a lower pasting disc; 2-7 parts of a lower sliding screw; the middle part is jointed with the pressing plate 3; conductor through hole 3-1; a connecting part 3-2; a hole IV 3-3; a ring pipe 3-4; 3-5 parts of ring groove; an upper buckling seat 4; an upper annular buckle sleeve 4-1; hole III-2; 4-3 of a top pasting board; a lightning conductor 5; 5-1 of a plate; the hole V5-2; an insulating sleeve I6; an insulating sleeve II 7; a ring supporting plate 7-1; a hole VI 7-2; a seal ring 8; a positioning buckling sleeve 9; a ring plate 9-1; 9-2 of a sliding column; a bolt and nut set 10; and a nut 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 11, an extra-high voltage arrester includes a supporting connection base plate 1, a lightning conductor 5 and a seal ring 8, and further includes a lower positioning seat 2, a middle laminating pressing plate 3, an upper fastening seat 4, an insulating sleeve i 6, an insulating sleeve ii 7, a positioning fastening sleeve 9, a bolt and nut set 10 and nuts 11, the lower positioning seat 2 is slidably connected to the supporting connection base plate 1, a portion of the lower positioning seat that penetrates through the supporting connection base plate 1 is supported and positioned by four nuts 11, a lower portion of the lightning conductor 5 is slidably connected to a lower portion of the lower positioning seat 2, four nuts 11 are respectively fitted to four corners of the lower positioning seat, two sets of nuts 11 on upper and lower sides are in one-to-one correspondence, and the lower portions of the supporting connection base plate 1, the lower positioning seat 2 and the lower portion of the lightning conductor 5 are clamped therebetween, two middle laminating pressing plates 3 are provided, the two middle laminating press plates 3 are symmetrically laminated, the middle laminating press plate 3 at the lower side is arranged on the upper surface of the lower positioning seat 2, the upper buckling seats 4 are laminated on the upper surface of the middle laminating press plate 3 at the upper side, the two middle laminating press plates 3 are clamped between the two upper buckling seats 4, the four components are clamped and fixed at the four corners by using bolt and nut groups 10, and a sealing ring 8 is arranged between the two middle laminating press plates 3;
be provided with insulating cover I6 in the cylinder space that 3 middle parts of two middle part laminating clamp plates formed, insulating cover II 7 is provided with two, lightning-arrest conductor 5 is wrapped up in by two insulating cover II 7, and two II 7 symmetries of insulating cover are placed, all is provided with an insulating cover II 7 in every middle part laminating clamp plate 3, and the main part of two insulating cover II 7 by insulating cover I6 parcel, this kind of connected mode has carried out dual insulation to the conductor and has handled, and two insulating cover II 7 are wrapped up by insulating cover I6, when reinforcing insulating effect, still supplementary sealing washer 8 seals.
The end heads of the two insulating sleeves II 7 are matched with positioning buckling sleeves 9, and the positioning buckling sleeves 9 on the upper side and the lower side are buckled and clamped tightly by the upper buckling seat 4 and the lower positioning seat 2 respectively.
The device utilizes a lower positioning seat 2, a middle laminating pressing plate 3, an upper buckling seat 4 and an insulating sleeve I6; the interconnect between II 7 of insulating cover and the sealing washer 8 realizes adopting the parcel nature to seal up the position, and the structure adopts symmetrical formula structure, makes the part carry out the symmetry lock to whole parcel nature and steadiness are strengthened to mechanical mode, and then strengthen sealed effect, improve the life of arrester.
The second embodiment is as follows:
the following describes the present embodiment with reference to fig. 1 to 11, and the present embodiment further describes the first embodiment, four holes i 1-1 are uniformly circumferentially arranged on the support connection bottom plate 1, four lower sliding screws 2-7 are uniformly circumferentially arranged on the lower portion of the lower positioning seat 2, the four lower sliding screws 2-7 are respectively slidably connected in the four holes i 1-1, and a nut 11 is fittingly connected to each lower sliding screw 2-7.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 11, and the embodiment further describes the first embodiment, where the lower positioning seat 2 includes a lower pasting plate 2-1, a hole ii 2-2, a lower annular buckle sleeve 2-3, a threaded pipe 2-4, an upper screw 2-5, a lower pasting disc 2-6, and a lower sliding screw 2-7, where four corners of the lower pasting plate 2-1 are each provided with a hole ii 2-2, the lower annular buckle sleeve 2-3 is disposed in the middle of the lower pasting plate 2-1, the lower portion of the lower pasting plate 2-1 is circumferentially and uniformly provided with four threaded pipes 2-4, each threaded pipe 2-4 is internally connected with an upper screw 2-5 through a thread fit, the lower end of the upper screw 2-5 is fixedly connected with a lower pasting disc 2-6, the lower end of the lower pasting disc 2-6 is fixedly connected with a lower sliding screw 2-7, each upper screw rod 2-5 is connected with a nut 11 in a matching way, four corners of the lower end of the lightning conductor 5 are respectively connected with the four upper screw rods 2-5 in a sliding way, the lower surface of the lightning conductor 5 is attached to the upper surfaces of the four lower adhesive disks 2-6, the upper buckling seat 4 comprises an upper annular buckling sleeve 4-1, a hole III 4-2 and an upper adhesive plate 4-3, the four corners of the upper adhesive plate 4-3 are respectively provided with the hole III 4-2, the upper part of the upper adhesive plate is provided with an upper annular buckling sleeve 4-1, the lower part of the middle adhesive pressing plate 3 at the lower side is connected in the lower annular buckling sleeve 2-3 in a sliding way, the upper part of the middle adhesive pressing plate 3 at the upper side is connected in the upper annular buckling sleeve 4-1 in a sliding way,
the outermost layer of the device is wrapped by the lower annular buckle sleeve 2-3 and the upper annular buckle sleeve 4-1, so that the internal parts of the device are protected while the pressing device is integral, and the service life of the device is prolonged.
The fourth concrete implementation mode:
the third embodiment is further described with reference to fig. 1-11, wherein a conductor through hole 3-1 is formed in the middle of the middle bonding pressing plate 3, a circular pipe 3-4 is formed outside the conductor through hole 3-1, four holes iv 3-3 are uniformly formed between the conductor through hole 3-1 and the circular pipe 3-4, connecting portions 3-2 are formed at four corners of the middle bonding pressing plate 3, the bolt and nut set 10 penetrates through the corresponding connecting portions 3-2, the upper end and the lower end of the bolt and nut set 10 are respectively pressed against the upper bonding plate 4-3 and the lower bonding plate 2-1, and the hole ii 2-2 and the hole iii 4-2 are matched with the corresponding connecting portion 3-2.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 11, and the embodiment further describes the first embodiment, wherein the inner side surface of the middle bonding pressing plate 3 is provided with ring grooves 3 to 5, the inner side surfaces of the two middle bonding pressing plates 3 are bonded, the two ring grooves 3 to 5 form a complete cavity, and the sealing ring 8 is filled in the complete cavity;
the sealing ring 8 is positioned between the two middle laminating pressing plates 3, namely between the laminating lines of the two middle laminating pressing plates 3, and the laminating lines are completely blocked, so that the sealing effect is ensured.
The sixth specific implementation mode:
the third embodiment is further described with reference to fig. 1 to 11, wherein four plates 5-1 are uniformly arranged at the lower end of the lightning conductor 5, a hole v 5-2 is formed at the end of each plate 5-1, four upper screws 2-5 are respectively slidably connected in the four holes v 5-2, and the four plates 5-1 are respectively attached to four lower attaching plates 2-6.
The seventh embodiment:
the fourth embodiment is further described with reference to fig. 1 to 11, wherein a supporting ring plate 7-1 is disposed at the upper end of the insulating sleeve ii 7, four holes vi 7-2 are uniformly disposed on the supporting ring plate 7-1, two supporting ring plates 7-1 are respectively attached to two circular tubes 3-4, and the positioning fastening sleeve 9 is inserted into the corresponding hole vi 7-2.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 11, and the seventh embodiment is further described in the present embodiment, the positioning buckling sleeve 9 includes a ring plate 9-1 and four sliding columns 9-2, the ring plate 9-1 is uniformly provided with the four sliding columns 9-2, and the sliding columns 9-2 are slidably connected in the corresponding holes vi 7-2 and iv 3-3;
the sliding column 9-2 is connected in the corresponding hole VI 7-2 and the hole IV 3-3 in a sliding mode to position the insulating sleeve II 7 and the middle laminating pressing plate 3 relatively, and simultaneously, the direct pressure of the upper annular buckling sleeve 4-1 or the lower annular buckling sleeve 2-3 is blocked, so that the local stress of the insulating sleeve II 7 is prevented from being enhanced under the action of the pre-tightening force of the bolt and nut group 10, the service life of the device is prolonged, and the material of the positioning buckling sleeve 9 can be the same as that of the sealing ring 8.
The specific implementation method nine:
this embodiment will be described with reference to fig. 1 to 11, and this embodiment will be further described as an embodiment in which the insulation sleeves i 6 and ii 7 are made of alkali-free glass fiber yarn.
The detailed implementation mode is ten:
the present embodiment will be described with reference to fig. 1 to 11, and the present embodiment will further describe the first embodiment, in which the seal ring 8 is a CR neoprene seal ring.
The invention relates to an extra-high voltage arrester, which has the working principle that:
the support connection bottom plate 1 is a part of extra-high voltage equipment, and when the device is installed, the specific operation is as follows:
before connecting the threaded pipes 2-4 and the upper screws 2-5, matching each nut 11 on each upper screw 2-5, then sliding into the corresponding hole V5-2 of the upper screw 2-5, then matching each upper screw 2-5 in the corresponding threaded pipe 2-4, rotating to the upper limit, and then rotating each nut 11 to press each nut 11 on the corresponding plate 5-1;
after the steps are completed, the lower sliding screw rods 2-7 are slid into the corresponding holes I1-1 and clamped by the nuts 11, so that the installation of the bottom main body of the device is completed.
Two middle laminating press plates 3 are arranged, the two middle laminating press plates 3 are symmetrically laminated, the middle laminating press plate 3 at the lower side is arranged on the upper surface of the lower positioning seat 2, an upper buckling seat 4 is laminated on the upper surface of the middle laminating press plate 3 at the upper side, the two middle laminating press plates 3 are clamped and fixed at four corners by using bolt and nut sets 10 by the two upper buckling seats 4, a sealing ring 8 is arranged between the two middle laminating press plates 3, an insulating sleeve I6 is arranged in a cylindrical space formed by the middle parts of the two middle laminating press plates 3, two insulating sleeves II 7 are arranged, a lightning conductor 5 is wrapped in the two insulating sleeves II 7, the two insulating sleeves II 7 are symmetrically arranged, an insulating sleeve II 7 is arranged in each middle laminating press plate 3, the main bodies of the two insulating sleeves II 7 are wrapped by the insulating sleeve I6, and the end heads of the two insulating sleeves II 7 are matched with positioning buckling sleeves 9, the positioning buckling sleeves 9 on the upper side and the lower side are buckled and clamped by the upper buckling seat 4 and the lower positioning seat 2 respectively, and the relative positions of all the parts after the installation are shown in the attached drawings 1 and 2.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (6)
1. The utility model provides an extra-high voltage arrester, includes support connection bottom plate (1), lightning conductor (5) and sealing washer (8), its characterized in that: the extra-high voltage arrester also comprises a lower positioning seat (2), a middle laminating pressing plate (3), an upper buckling seat (4), an insulating sleeve I (6), an insulating sleeve II (7), a positioning buckling sleeve (9), a bolt and nut group (10) and nuts (11), wherein the lower positioning seat (2) is connected to the supporting and connecting bottom plate (1) in a sliding manner, the part of the lower positioning seat (2) penetrating through the supporting and connecting bottom plate (1) is supported and positioned by four nuts (11), the lower part of a lightning conductor (5) is connected to the lower part of the lower positioning seat (2) in a sliding manner, four nuts (11) are matched with the lower positioning seat at four corners of the lower positioning seat, two groups of nuts (11) at the upper side and the lower side correspond to each other one by one, the lower parts of the supporting and connecting bottom plate (1), the lower positioning seat (2) and the lower part of the lightning conductor (5) are clamped between the lower positioning seat, the middle laminating pressing plates (3) are provided with two middle laminating pressing plates (3) symmetrically laminated, the middle laminating pressing plate (3) at the lower side is arranged on the upper surface of the lower positioning seat (2), the upper buckling seat (4) is jointed on the upper surface of the middle laminating pressing plate (3) at the upper side, the two upper buckling seats (4) clamp the two middle laminating pressing plates (3) between the two middle laminating pressing plates and clamp and fix the two upper buckling seats (4) and the two middle laminating pressing plates (3) at the four corners by using bolt and nut groups (10), a sealing ring (8) is arranged between the two middle laminating pressing plates (3), an insulating sleeve I (6) is arranged in a cylindrical space formed by the middle parts of the two middle laminating pressing plates (3), two insulating sleeves II (7) are arranged, the lightning conductor (5) is wrapped by the two insulating sleeves II (7), the two insulating sleeves II (7) are symmetrically arranged, an insulating sleeve II (7) is arranged in each middle laminating pressing plate (3), the main bodies of the two insulating sleeves II (7) are wrapped by the insulating sleeve I (6), the end heads of the two insulating sleeves II (7) are matched with positioning buckling sleeves (9), and the positioning buckling sleeves (9) on the upper side and the lower side are buckled and clamped by the upper buckling base (4) and the lower positioning base (2) respectively;
four holes I (1-1) are uniformly formed in the supporting and connecting bottom plate (1) in the circumferential direction, four lower sliding screw rods (2-7) are uniformly arranged in the lower portion of the lower positioning seat (2) in the circumferential direction, the four lower sliding screw rods (2-7) are respectively connected in the four holes I (1-1) in a sliding mode, and a nut (11) is connected to each lower sliding screw rod (2-7) in a matched mode;
the lower positioning seat (2) comprises a lower pasting plate (2-1), a hole II (2-2), a lower annular buckle sleeve (2-3), threaded pipes (2-4), an upper screw rod (2-5), a lower pasting disc (2-6) and a lower sliding screw rod (2-7), wherein the four corners of the lower pasting plate (2-1) are respectively provided with the hole II (2-2), the lower annular buckle sleeve (2-3) is arranged in the middle of the lower pasting plate (2-1), the lower part of the lower pasting plate (2-1) is uniformly provided with the four threaded pipes (2-4) in the circumferential direction, each threaded pipe (2-4) is internally connected with the upper screw rod (2-5) in a threaded matching manner, the lower end of the upper screw rod (2-5) is fixedly connected with the lower pasting disc (2-6), the lower end of the lower pasting disc (2-6) is fixedly connected with the lower sliding screw rod (2-7), each upper screw rod (2-5) is connected with a nut (11) in a matching manner, four corners of the lower end of each lightning conductor (5) are respectively connected onto the four upper screw rods (2-5) in a sliding manner, the lower surfaces of the four upper screw rods are attached to the upper surfaces of the four lower pasting discs (2-6), each upper buckling seat (4) comprises an upper annular buckling sleeve (4-1), a hole III (4-2) and an upper pasting plate (4-3), the four corners of each upper pasting plate (4-3) are provided with the holes III (4-2), the upper parts of the upper pasting plates are provided with the upper annular buckling sleeves (4-1), the lower parts of the lower middle pasting pressing plates (3) are connected into the lower annular buckling sleeves (2-3) in a sliding manner, and the upper parts of the upper middle pasting pressing plates (3) are connected into the upper annular buckling sleeves (4-1) in a sliding manner;
the middle part of the middle part laminating press plate (3) is provided with a conductor through hole (3-1), the outer dimension of the conductor through hole (3-1) is provided with a ring pipe (3-4), four holes IV (3-3) are uniformly arranged between the conductor through hole (3-1) and the ring pipe (3-4), the four corners of the middle part laminating press plate (3) are provided with connecting parts (3-2), the bolt and nut group (10) penetrates through the corresponding connecting parts (3-2), the upper end and the lower end of the bolt and nut group (10) are respectively pressed and adhered to the upper adhering plate (4-3) and the lower adhering plate (2-1), and the hole II (2-2) and the hole III (4-2) are matched on the corresponding connecting part (3-2);
the inner side surface of the middle laminating pressing plate (3) is provided with annular grooves (3-5), the inner side surfaces of the two middle laminating pressing plates (3) are laminated, the two annular grooves (3-5) form a complete cavity, and the sealing ring (8) is filled in the complete cavity.
2. The extra-high voltage arrester according to claim 1, characterized in that: the lightning protection device is characterized in that four plates (5-1) are uniformly arranged at the lower end of the lightning conductor (5), a hole V (5-2) is formed in the end of each plate (5-1), four upper screw rods (2-5) are respectively connected into the four holes V (5-2) in a sliding mode, and the four plates (5-1) are respectively attached to the four lower attaching plates (2-6).
3. The extra-high voltage arrester according to claim 2, characterized in that: the upper end of the insulating sleeve II (7) is provided with a supporting ring plate (7-1), the supporting ring plate (7-1) is uniformly provided with four holes VI (7-2), the two supporting ring plates (7-1) are respectively attached to the two ring pipes (3-4), and the positioning buckling sleeve (9) penetrates through the corresponding hole VI (7-2).
4. The extra-high voltage arrester according to claim 3, characterized in that: the positioning buckling sleeve (9) comprises a ring plate (9-1) and four sliding columns (9-2), wherein the ring plate (9-1) is evenly provided with the four sliding columns (9-2), and the sliding columns (9-2) are connected in the corresponding holes VI (7-2) and IV (3-3) in a sliding mode.
5. The extra-high voltage arrester according to claim 1, characterized in that: the insulating sleeve I (6) and the insulating sleeve II (7) are made of alkali-free glass fiber yarns.
6. The extra-high voltage arrester according to claim 1, characterized in that: the sealing ring (8) is a CR chloroprene rubber sealing ring.
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| CN204407973U (en) * | 2015-03-03 | 2015-06-17 | 杭州宇聪科技有限公司 | Be provided with the Intelligent charging spot of lightning rod |
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| US4136299A (en) * | 1976-04-26 | 1979-01-23 | Mitsubishi Denki Kabushiki Kaisha | Lightning arrester device |
| US8674216B1 (en) * | 2010-06-25 | 2014-03-18 | Alltec LLC | Early streamer emission terminal |
| CN202265607U (en) * | 2011-10-24 | 2012-06-06 | 西安超码科技有限公司 | Sealing device for lead electrode of resistance chemical vapor deposition furnace |
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| CN111740372A (en) | 2020-10-02 |
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Effective date of registration: 20210719 Address after: 323000 No. 799, Lianhe street, Bihu Town, Lishui City, Zhejiang Province Applicant after: HENGDA ELECTRIC Co.,Ltd. Address before: 322100 68 Xinnan Road, Wuning street, Dongyang City, Jinhua City, Zhejiang Province Applicant before: Xiao Bei |
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Denomination of invention: A type of ultra-high voltage lightning arrester Granted publication date: 20210806 Pledgee: Industrial Commercial Bank of China Ltd. Lishui Liandu branch Pledgor: HENGDA ELECTRIC Co.,Ltd. Registration number: Y2024980012702 |