CN112701645B - Lightning arrester equipment convenient to installation - Google Patents
Lightning arrester equipment convenient to installation Download PDFInfo
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- CN112701645B CN112701645B CN202011387241.8A CN202011387241A CN112701645B CN 112701645 B CN112701645 B CN 112701645B CN 202011387241 A CN202011387241 A CN 202011387241A CN 112701645 B CN112701645 B CN 112701645B
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Abstract
The invention discloses lightning arrester equipment convenient to install, and aims to provide the lightning arrester equipment which can be used for carrying out live installation by using an insulating rod operation method under the condition that the normal operation of an overhead line is not influenced, so that the problem that the normal operation of the overhead line is influenced because the lightning arrester can be installed in an area where a live working vehicle is inconvenient to pass through and the power of the overhead line is cut is effectively solved. The device comprises a bracket, wherein the bracket comprises a top plate, a bottom plate and a side plate for connecting the bottom plate and the top plate, a cross arm clamping groove is formed in a space among the top plate, the bottom plate and the side plate, a bolt through hole is formed in the bottom plate, and a fastening bolt is arranged on the bolt through hole; the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, and a discharge gap is formed between the lower conductive head and the upper conductive head; and an anti-loose and anti-drop device.
Description
Technical Field
The invention relates to lightning arrester equipment, in particular to lightning arrester equipment convenient to install.
Background
After an arrester used on an existing overhead line is aged or damaged, the arrester in the prior art is generally fixed on a cross arm of an electric pole through matching of a stud and a nut at the lower end of the arrester, during specific installation, the stud at the lower end of the arrester needs to be inserted into a mounting hole in the cross arm of the electric pole from top to bottom, then the nut is mounted on the stud, and the arrester is fixed on the cross arm of the electric pole through locking the nut; when the lightning arrester is specifically installed, a stud at the lower end of the lightning arrester needs to be inserted into an installation hole in a cross arm of an electric pole from top to bottom, so that the lightning arrester in the prior art cannot be installed on the cross arm of the electric pole by using an insulating rod operation method, and generally needs to be installed and replaced in a live-line mode through a live-line operation vehicle; and some hot-line work car inconvenient areas of passing, for example, the remote mountain area, after the arrester is ageing or damaged, often must wait to the overhead line after having a power failure, just can carry out the installation of arrester, so, can influence the line normal operating.
Disclosure of Invention
The first purpose of the invention is to provide an arrester device convenient to install, which can be used for live installation by using an insulating rod operation method under the condition of not influencing the normal operation of an overhead line, thereby effectively solving the problem that the normal operation of the overhead line is influenced because the arrester can be installed in an area where a live working vehicle is inconvenient to pass through and the power of the overhead line is cut off.
The second purpose of the invention is to provide lightning arrester equipment which can effectively avoid the problem that the bracket falls off due to the fact that a fastening bolt of a fixed bracket is not locked in place or loosened in the later period.
The technical scheme of the invention is as follows:
an arrester device for ease of installation, comprising:
the support comprises a top plate, a bottom plate and a side plate for connecting the bottom plate and the top plate, a cross arm clamping groove is formed in the space among the top plate, the bottom plate and the side plate, a bolt through hole is formed in the bottom plate, and a fastening bolt is arranged on the bolt through hole;
the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, and a discharge gap is formed between the lower conductive head and the upper conductive head;
the anti-loosening and anti-falling device comprises a vertical guide hole arranged on a bottom plate, a vertical guide rod arranged in the vertical guide hole in a sliding manner, a floating pressure plate fixed at the upper end of the vertical guide rod and positioned in a cross arm clamping groove, a first compression spring positioned between the floating pressure plate and the bottom plate, a first wedge block arranged on the lower surface of the floating pressure plate, a transverse guide hole arranged on a side plate, a transverse guide rod arranged in the transverse guide hole in a sliding manner, a guide rod limiting block arranged on the transverse guide rod, a transverse push plate arranged at one end of the transverse guide rod and positioned in the cross arm clamping groove, a second compression spring positioned between the transverse push plate and the side plate, a vertical guide opening arranged on a top plate, a vertical limiting inserting plate inserted in the vertical guide opening, a inserting plate limiting block arranged at the upper part of the vertical limiting inserting plate, a transverse blocking rod positioned above the top part and a connecting rod connecting the transverse guide rod and the transverse blocking rod, the lower edge of the transverse push plate is provided with a transverse baffle plate, the upper surface of the transverse baffle plate is provided with a second wedging block matched with the first wedging block, the floating press plate is provided with a fastening bolt through hole, the guide rod limiting block and the transverse push plate are positioned at two opposite sides of the side plate, the guide rod limiting block is abutted against the side plate under the action of a second compression spring, the floating press plate is positioned below the transverse baffle plate, and the floating press plate moves upwards under the action of the first compression spring and abuts against the transverse baffle plate; vertical direction mouth is located the outside of the notch of cross arm draw-in groove, vertical spacing picture peg parallels with the curb plate, horizontal pin parallels with horizontal guide arm, be equipped with on the vertical spacing picture peg with horizontal pin complex spacing hole, when the one end of horizontal pin is inserted and is established in spacing downthehole, the lower limb of vertical spacing picture peg is located vertical direction mouth.
The lightning arrester equipment convenient to install is matched with the cross arm of the electric pole through the cross arm clamping groove on the bracket, then the bracket is fixed on the cross arm through the fastening bolt on the locking bracket, the lightning arrester equipment can be installed by using an insulating rod operation method,
firstly, fixing a bracket on a clamp at the upper end of an insulating rod, and lifting the bracket and a lightning protection assembly through the insulating rod to enable a notch of a cross arm clamping groove to face a cross arm of an electric pole;
secondly, moving the cross arm clamping groove towards the cross arm to enable the cross arm to be inserted into the cross arm clamping groove;
thirdly, through another insulating rod, the upper end of the insulating rod is provided with a nut sleeve matched with the head of the fastening bolt, the fastening bolt on the support is locked through a nut sleeve on the upper end of the insulating rod to fix the support on the cross arm, so that the lightning arrester equipment convenient to install is fixed on the cross arm of the electric pole through an insulating rod operation method, the lightning arrester equipment is installed in an electrified mode under the condition that normal operation of the overhead line is not affected, the problem that the normal operation of the overhead line is affected due to the fact that the lightning arrester equipment can be installed only after power failure of the overhead line due to the fact that the area where the live-line work vehicle is inconvenient to pass is effectively solved.
The lightning arrester equipment convenient to install is matched with the cross arm of the electric pole through the cross arm clamping groove on the support, and then the support is locked and fixed on the cross arm through the fastening bolt, so that the lightning arrester equipment can be installed in a live-line mode by using an insulating rod operation method under the condition that the normal operation of an overhead line is not influenced; however, the problem that the bracket falls off due to the fact that the locking of the fastening bolt is not in place or the fastening bolt is loosened at the later stage is easily caused; in order to solve the problem, the anti-loosening and anti-dropping device is arranged in the scheme, and particularly, in the process of installing the lightning arrester equipment convenient to install by using an insulating rod operation method, when the insulating rod lifts the support and the lightning protection component, the notch of the cross arm clamping groove faces to the cross arm of the electric pole, and the cross arm clamping groove moves towards the cross arm, so that the cross arm is propped against the transverse push plate in the process of inserting the cross arm into the cross arm clamping groove, the acting force of a second compression spring is overcome, the transverse push plate moves towards the side connecting plate, the transverse baffle and the transverse baffle are driven to move together, the transverse baffle is staggered with the floating pressure plate, and the transverse baffle is separated from the limiting hole; when the transverse baffle is staggered with the floating pressure plate, the floating pressure plate moves upwards under the action of the first compression spring to abut against the cross arm; when the transverse stop lever is separated from the limiting hole, the vertical limiting plug is inserted under the action of self weight and falls down, the self weight plug board limiting block is abutted against the upper surface of the top board, and at the moment, the vertical limiting plug board is used for preventing the cross arm from moving out of the notch of the cross arm clamping groove; then, the insulating rod drives the bracket to move, so that the cross arm is abutted against the vertical limiting inserting plate, and in the process, the transverse push plate moves towards the vertical limiting inserting plate under the action of the second compression spring, so that the second wedging block on the transverse baffle is in wedged fit with the first wedging block on the floating pressing plate, and the cross arm is reliably pressed between the top plate and the floating pressing plate; then, a fastening bolt on the bracket is locked through another insulating rod with a nut sleeve at the upper end to fix the bracket on the cross arm; therefore, even if the locking bolt is not locked in place or the locking bolt is loosened at the later stage, on one hand, the cross arm can be reliably pressed between the top plate and the floating pressure plate through the wedging fit of the second wedging block and the first wedging block on the floating pressure plate, so that the cross arm is prevented from loosening and falling off; on the other hand, vertical spacing picture peg can prevent that the cross arm from shifting out by the notch of cross arm draw-in groove to through duplicate protection, the problem of avoiding appearing the support and droing is imitated.
Preferably, the lower surface of the first wedging block is a lower wedging inclined surface, and the upper surface of the second wedging block is an upper wedging inclined surface matched with the lower wedging inclined surface.
Preferably, when the upper wedging inclined plane and the lower wedging inclined plane are in wedging fit, the inclination angle of the upper wedging inclined plane is smaller than the equivalent friction angle between the upper wedging inclined plane and the lower wedging inclined plane.
Preferably, the upper wedging inclined plane and the lower wedging inclined plane have the same inclination angle, and the inclination angle of the upper wedging inclined plane is smaller than 10 degrees.
Preferably, the roof is rectangular shape board, vertical direction mouth is close to the first end of last mounting panel, the arrester is fixed on the roof, and the arrester is close to the second end of roof.
Preferably, the notch of the cross arm slot faces the lightning arrester. So, moving the cross arm draw-in groove toward the cross arm, making the cross arm insert the in-process in the cross arm draw-in groove, can make the upper surface of cross arm support on the lower surface of roof, then, moving the cross arm draw-in groove toward the cross arm, making the in-process that the cross arm inserted the cross arm draw-in groove to in-process in actual operation.
Preferably, the top plate, the bottom plate and the side plate are of an integrally bent structure. Thus being convenient for practical processing and manufacturing.
Preferably, the lightning protection assembly further comprises a lower fixing plate fixed at the upper end of the lightning arrester, an upper fixing plate located above the lower fixing plate, and a support rod connecting the lower fixing plate and the upper fixing plate, the upper conductive head is mounted on the upper fixing plate, and at least one of the lower fixing plate and the upper fixing plate is an insulating plate.
Preferably, the arrester is a zinc oxide arrester.
Preferably, the lightning arrester is fixed to the bracket by a connecting bolt.
The invention has the beneficial effects that:
the lightning arrester installation method has the advantages that the lightning arrester installation method can be used for live installation under the condition that normal operation of the overhead line is not influenced, so that the problem that the normal operation of the overhead line is influenced due to the fact that the lightning arrester can be installed only when the overhead line has power failure in an area where live operation vehicles are inconvenient to pass is effectively solved.
Secondly, can effectively avoid because of the tight set bolt locking of fixed bolster not in place or later stage not hard up, and lead to the problem that the support drops.
Drawings
Fig. 1 is a schematic view of a structure of an arrester apparatus of the present invention which is easy to install.
Fig. 2 is a partial enlarged view of a portion a of fig. 1.
Fig. 3 is a partial structural view of the lightning arrester apparatus of the invention mounted on a cross arm for easy installation.
In the figure:
the device comprises a support 1, a top plate 1.1, a bottom plate 1.2 and side plates 1.3;
a cross arm slot 2;
a fastening bolt 3;
the anti-loosening and anti-falling device comprises an anti-loosening and anti-falling device 4, a vertical guide rod 4.1, a floating pressure plate 4.2, a first compression spring 4.3, a first wedging block 4.4, a fastening bolt through opening 4.5, a guide rod limiting block 4.6, a transverse guide rod 4.7, a second compression spring 4.8, a transverse push plate 4.9, a transverse baffle 4.10, a transverse stop rod 4.11, a vertical guide opening 4.12, a vertical limiting inserting plate 4.13, a limiting hole 4.14, an inserting plate limiting block 4.15 and a second wedging block 4.16;
the lightning protection device comprises a lightning protection component 5, a lightning arrester 5.1, a lower conducting head 5.2, an upper conducting head 5.3, a conducting lead 5.4, a lower fixing plate 5.5, an upper fixing plate 5.6 and a support rod 5.7;
and a cross arm 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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: as shown in fig. 1, an arrester device convenient for installation includes a bracket 1, an arrester assembly 5 and an anti-loose and anti-drop device 4.
The support 1 comprises a top plate 1.1, a bottom plate 1.2 and a side plate 1.3 connecting the bottom plate and the top plate. A cross arm clamping groove 2 formed in the space among the top plate, the bottom plate and the side plate. In this embodiment, the top plate is parallel to the bottom plate, and the side plates are perpendicular to the bottom plate. The bottom plate is provided with a bolt through hole, and the bolt through hole is provided with a fastening bolt 3.
The lightning protection component 5 comprises a lightning arrester 5.1 fixed on the support, a lower conductive head 5.2 arranged at the upper end of the lightning arrester, an upper conductive head 5.3 positioned above the lower conductive head and a conductive lead 5.4 electrically connected with the upper conductive head. A discharge gap is formed between the lower conductive head and the upper conductive head. In this embodiment, the lower extreme of arrester passes through bolt locking to be fixed on the support, and the arrester is the zinc oxide arrester. Of course the arrester can also be other arresters. The upper end of the zinc oxide arrester is electrically connected with the lower conductive head, and the lower end of the zinc oxide arrester is electrically connected with the bracket.
As shown in fig. 1 and 2, the anti-loose and anti-drop device comprises a vertical guide hole arranged on the bottom plate, a vertical guide rod 4.1 arranged in the vertical guide hole in a sliding manner, a floating pressure plate 4.2 fixed at the upper end of the vertical guide rod and positioned in the cross arm clamping groove, a first compression spring 4.3 positioned between the floating pressure plate and the bottom plate, a first wedge block 4.4 arranged on the lower surface of the floating pressure plate, a transverse guide hole arranged on the side plate, and a transverse guide rod 4.7 arranged in the transverse guide hole in a sliding manner, the guide rod limiting block 4.6 is arranged on the transverse guide rod, the transverse push plate 4.9 is arranged at one end of the transverse guide rod and is positioned in the cross arm clamping groove, the second compression spring 4.8 is positioned between the transverse push plate and the side plate, the vertical guide opening 4.12 is arranged on the top plate, the vertical limiting inserting plate 4.13 is inserted in the vertical guide opening, the inserting plate limiting block 4.15 is arranged on the upper portion of the vertical limiting inserting plate, the transverse stop lever 4.11 is positioned above the top portion, and the connecting rod is used for connecting the transverse guide rod and the transverse stop lever.
The transverse push plate is parallel to the side plate. The lower limb of horizontal push pedal is equipped with horizontal baffle 4.10, specifically says so, and the lower limb of horizontal push pedal is equipped with the horizontal baffle that extends toward the notch direction of cross arm draw-in groove, and horizontal baffle is parallel with the bottom plate. The upper surface of the transverse baffle is provided with a second wedging block 4.16 matched with the first wedging block, the lower surface of the first wedging block is a lower wedging inclined plane, and the upper surface of the second wedging block is an upper wedging inclined plane matched with the lower wedging inclined plane.
The floating pressure plate is parallel to the bottom plate. The floating pressure plate is provided with a fastening bolt through opening 4.5. The guide rod limiting block and the transverse push plate are positioned on two opposite sides of the side plate, and the guide rod limiting block is abutted against the side plate under the action of the second compression spring. The floating pressing plate is located below the transverse baffle and moves upwards to abut against the transverse baffle under the action of the first compression spring.
The vertical guide opening is positioned at the outer side of the notch of the cross arm clamping groove. The vertical limiting insertion plate is parallel to the side plate. The transverse stop lever is parallel to the transverse guide rod. The vertical limiting inserting plate is provided with a limiting hole 4.14 matched with the transverse stop lever, and when one end of the transverse stop lever is inserted into the limiting hole, the lower edge of the vertical limiting inserting plate is positioned in the vertical guide hole.
The lightning arrester device of the embodiment is matched with the cross arm of the electric pole through the cross arm clamping groove on the bracket, and then the bracket is fixed on the cross arm through the fastening bolt on the locking bracket, and can be installed by using an insulating rod operation method, specifically, as shown in figure 3,
firstly, fixing a bracket on a clamp at the upper end of an insulating rod, and lifting the bracket and a lightning protection assembly through the insulating rod to enable a notch of a cross arm clamping groove to face a cross arm 6 of an electric pole;
secondly, moving the cross arm clamping groove towards the cross arm to enable the cross arm to be inserted into the cross arm clamping groove;
thirdly, through another insulating rod, the upper end of the insulating rod is provided with a nut sleeve matched with the head of the fastening bolt, the fastening bolt on the support is locked through a nut sleeve on the upper end of the insulating rod to fix the support on the cross arm, so that the lightning arrester equipment convenient to install is fixed on the cross arm of the electric pole through an insulating rod operation method, the lightning arrester equipment is installed in an electrified mode under the condition that normal operation of the overhead line is not affected, the problem that the normal operation of the overhead line is affected due to the fact that the lightning arrester equipment can be installed only after power failure of the overhead line due to the fact that the area where the live-line work vehicle is inconvenient to pass is effectively solved.
In the actual installation process, the other end of the conducting lead is electrically connected with the overhead conductor through a conducting wire clamp (for example, a parallel groove wire clamp or a J-shaped wire clamp in the prior art) or a conducting hook, and specifically, while the insulating rod lifts the support and the lightning protection component, the conducting wire clamp or the conducting hook is lifted together through a third insulating rod (the conducting wire clamp or the conducting hook is fixed on a clamp at the upper end of the third insulating rod); after the support is locked and fixed on the cross arm by the fastening bolt, the conductive wire clamp or the conductive hook is clamped on the overhead conductor or hung on the overhead conductor by the third insulating rod so as to realize the electric connection of the conductive lead and the overhead conductor.
The lightning arrester device of the embodiment is matched with a cross arm of an electric pole through a cross arm clamping groove on a support, and then the support is locked and fixed on the cross arm through a fastening bolt, although the lightning arrester device can be installed in a live-line mode by using an insulating rod operation method under the condition that the normal operation of an overhead line is not influenced; however, the problem that the bracket falls off due to the fact that the locking of the fastening bolt is not in place or the fastening bolt is loosened at the later stage is easily caused; in order to solve this problem, this scheme has set up locking anticreep device, and is specific:
as shown in fig. 3, in the process of installing the lightning arrester device convenient to install by using the insulating rod operation method, when the insulating rod lifts the bracket and the lightning protection component, the notch of the cross arm clamping groove faces the cross arm of the electric pole, and the cross arm clamping groove is moved towards the cross arm, so that the cross arm is inserted into the cross arm clamping groove, the cross arm is abutted against the transverse push plate, and the transverse push plate is moved towards the side connecting plate direction by overcoming the acting force of the second compression spring, so that the transverse baffle plate and the transverse baffle rod are driven to move together, the transverse baffle plate is staggered with the floating pressure plate, and the transverse baffle rod is separated from the limit hole; when the transverse baffle is staggered with the floating pressure plate, the floating pressure plate moves upwards under the action of the first compression spring to abut against the cross arm; when the transverse stop lever is separated from the limiting hole, the vertical limiting plug is inserted under the action of self weight and falls down, the self weight plug board limiting block is abutted against the upper surface of the top board, and at the moment, the vertical limiting plug board is used for preventing the cross arm from moving out of the notch of the cross arm clamping groove; then, the insulating rod drives the bracket to move, so that the cross arm is abutted against the vertical limiting inserting plate, and in the process, the transverse push plate moves towards the vertical limiting inserting plate under the action of the second compression spring, so that the second wedging block on the transverse baffle is in wedged fit with the first wedging block on the floating pressing plate, and the cross arm is reliably pressed between the top plate and the floating pressing plate; then, a fastening bolt on the bracket is locked through another insulating rod with a nut sleeve at the upper end to fix the bracket on the cross arm; therefore, even if the locking bolt is not locked in place or the locking bolt is loosened at the later stage, on one hand, the cross arm can be reliably pressed between the top plate and the floating pressure plate through the wedging fit of the second wedging block and the first wedging block on the floating pressure plate, so that the cross arm is prevented from loosening and falling off; on the other hand, vertical spacing picture peg can prevent that the cross arm from shifting out by the notch of cross arm draw-in groove to through duplicate protection, the problem of avoiding appearing the support and droing is imitated.
Further, as shown in fig. 1, the lightning protection assembly 5 further includes a lower fixing plate 5.5 fixed at an upper end of the lightning protector, an upper fixing plate 5.6 located above the lower fixing plate, and a support rod 5.7 connecting the lower fixing plate and the upper fixing plate, wherein the upper conductive head is mounted on the upper fixing plate. At least one of the lower fixing plate and the upper fixing plate is an insulating plate, for example, the lower fixing plate is an insulating plate, or the upper fixing plate is an insulating plate, or both the lower fixing plate and the upper fixing plate are insulating plates.
Further, as shown in fig. 3, when the upper wedging inclined plane and the lower wedging inclined plane are in wedging fit, the inclination angle of the upper wedging inclined plane is smaller than the equivalent friction angle between the upper wedging inclined plane and the lower wedging inclined plane. Therefore, the second wedging block on the transverse baffle is in wedging fit with the first wedging block on the floating pressure plate, so that after the cross arm is reliably pressed between the top plate and the floating pressure plate, the effect of locking the floating pressure plate can be achieved, and the cross arm is further reliably pressed between the top plate and the floating pressure plate. In this embodiment, the inclination angle of the upper wedging inclined plane is the same as that of the lower wedging inclined plane, and the inclination angle of the upper wedging inclined plane is smaller than 10, specifically, the inclination angle of the upper wedging inclined plane is 5 degrees or 8 degrees or 10 degrees.
Further, as shown in fig. 1, the top plate 1.1 is an elongated plate. The vertical guiding hole is close to the first end of the upper mounting plate, the lightning arrester is fixed on the top plate through a bolt, and the lightning arrester is close to the second end of the top plate.
The notch of the cross arm clamping groove 2 faces the lightning arrester. So, moving the cross arm draw-in groove toward the cross arm, making the cross arm insert the in-process in the cross arm draw-in groove, can make the upper surface of cross arm support on the lower surface of roof, then, moving the cross arm draw-in groove toward the cross arm, making the in-process that the cross arm inserted the cross arm draw-in groove to in-process in actual operation.
Furthermore, the top plate, the bottom plate and the side plates are of an integrally bending structure. Thus being convenient for practical processing and manufacturing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. An arrester apparatus convenient to install, characterized by comprising:
the support comprises a top plate, a bottom plate and a side plate for connecting the bottom plate and the top plate, a cross arm clamping groove is formed in the space among the top plate, the bottom plate and the side plate, a bolt through hole is formed in the bottom plate, and a fastening bolt is arranged on the bolt through hole;
the lightning protection assembly comprises a lightning arrester fixed on the support, a lower conductive head arranged at the upper end of the lightning arrester, an upper conductive head positioned above the lower conductive head and a conductive lead electrically connected with the upper conductive head, a discharge gap is formed between the lower conductive head and the upper conductive head, and the lightning arrester is fixed on the support through a connecting bolt;
the anti-loosening and anti-falling device comprises a vertical guide hole arranged on a bottom plate, a vertical guide rod arranged in the vertical guide hole in a sliding manner, a floating pressure plate fixed at the upper end of the vertical guide rod and positioned in a cross arm clamping groove, a first compression spring positioned between the floating pressure plate and the bottom plate, a first wedge block arranged on the lower surface of the floating pressure plate, a transverse guide hole arranged on a side plate, a transverse guide rod arranged in the transverse guide hole in a sliding manner, a guide rod limiting block arranged on the transverse guide rod, a transverse push plate arranged at one end of the transverse guide rod and positioned in the cross arm clamping groove, a second compression spring positioned between the transverse push plate and the side plate, a vertical guide opening arranged on a top plate, a vertical limiting inserting plate inserted in the vertical guide opening, a inserting plate limiting block arranged at the upper part of the vertical limiting inserting plate, a transverse blocking rod positioned above the top part and a connecting rod connecting the transverse guide rod and the transverse blocking rod,
the lower edge of the transverse push plate is provided with a transverse baffle plate, the upper surface of the transverse baffle plate is provided with a second wedging block matched with the first wedging block, the floating press plate is provided with a fastening bolt through hole, the guide rod limiting block and the transverse push plate are positioned at two opposite sides of the side plate, the guide rod limiting block is abutted against the side plate under the action of a second compression spring, the floating press plate is positioned below the transverse baffle plate, and the floating press plate moves upwards under the action of the first compression spring and abuts against the transverse baffle plate;
vertical direction mouth is located the outside of the notch of cross arm draw-in groove, vertical spacing picture peg parallels with the curb plate, horizontal pin parallels with horizontal guide arm, be equipped with on the vertical spacing picture peg with horizontal pin complex spacing hole, when the one end of horizontal pin is inserted and is established in spacing downthehole, the lower limb of vertical spacing picture peg is located vertical direction mouth.
2. The arrester apparatus of claim 1 wherein the lower surface of the first wedge block is a lower wedge slope and the upper surface of the second wedge block is an upper wedge slope cooperating with the lower wedge slope.
3. The arrester apparatus of claim 2 wherein the upper wedging inclined plane has an angle of inclination less than the equivalent friction angle between the upper and lower wedging inclined planes when the upper wedging inclined plane is in wedging engagement with the lower wedging inclined plane.
4. An arrester device according to claim 2 or 3, wherein the upper wedging inclined plane and the lower wedging inclined plane are inclined at the same angle, the angle of inclination of the upper wedging inclined plane being less than 10 degrees.
5. The arrester apparatus of claim 1 wherein the top plate is an elongated plate, the vertical guide opening is proximate a first end of the top plate, the arrester is secured to the top plate, and the arrester is proximate a second end of the top plate.
6. The arrester apparatus of claim 5 wherein the notch of the cross arm slot faces the arrester.
7. The lightning arrester device of claim 1 wherein the top plate, the bottom plate and the side plate are integrally formed as a single piece.
8. The lightning arrester device convenient for installation according to claim 7, wherein the lightning arrester assembly further comprises a lower fixing plate fixed on the upper end of the lightning arrester, an upper fixing plate located above the lower fixing plate, and a support rod connecting the lower fixing plate and the upper fixing plate, the upper conductive head is installed on the upper fixing plate, and at least one of the lower fixing plate and the upper fixing plate is an insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387241.8A CN112701645B (en) | 2020-12-01 | 2020-12-01 | Lightning arrester equipment convenient to installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387241.8A CN112701645B (en) | 2020-12-01 | 2020-12-01 | Lightning arrester equipment convenient to installation |
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| Publication Number | Publication Date |
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| CN112701645A CN112701645A (en) | 2021-04-23 |
| CN112701645B true CN112701645B (en) | 2022-03-25 |
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| CN202011387241.8A Active CN112701645B (en) | 2020-12-01 | 2020-12-01 | Lightning arrester equipment convenient to installation |
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| CN206471747U (en) * | 2017-02-16 | 2017-09-05 | 国网福建省电力有限公司 | It is a kind of can charged for replacement insulator arrangement |
| CN207819413U (en) * | 2018-02-08 | 2018-09-04 | 国网福建永春县供电有限公司 | A kind of arrester mounting device |
| CN211018217U (en) * | 2019-11-19 | 2020-07-14 | 广东电网有限责任公司 | Lightning arrester mounting bracket |
| CN214176857U (en) * | 2020-12-01 | 2021-09-10 | 国网浙江省电力有限公司江山市供电公司 | Lightning arrester equipment convenient to installation |
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