CN112230102A

CN112230102A - Detachable fault indicator for power distribution network

Info

Publication number: CN112230102A
Application number: CN202011138438.8A
Authority: CN
Inventors: 于大全; 秦佳; 逄鹏; 孙瑜; 宋英杰; 赵晓敏; 陈静石
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-15

Abstract

The invention discloses a detachable fault indicator for a power distribution network, which comprises an indicator body, wherein an indicator lamp is arranged at the bottom end of the indicator body, a mounting structure is fixed at the top end of the indicator body, the mounting structure comprises a clamping groove, the top end of the indicator body is fixedly provided with the clamping groove, the bottom end inside the clamping groove is provided with a fixed spring, and the top end of the fixed spring is fixedly provided with a fixed plate. The fixing device has a good fixing effect, so that the function of quick fixing is realized.

Description

Detachable fault indicator for power distribution network

Technical Field

The invention relates to the technical field of power distribution networks, in particular to a detachable fault indicator for a power distribution network.

Background

Fault indicators are generally devices used to detect the presence of a short circuit or fault in a line in an electrical distribution network, is a very common part in a power distribution network, because of the great use of national electric power, the electric power can not exist in various occasions, once short circuit or fault occurs, large-scale power failure can occur immediately, unnecessary loss is caused, meanwhile, the fault indicator is most painful, and in order to improve the efficiency of detecting short circuit or fault, the fault indicator is generally arranged on a cable of a power distribution network, an indicator lamp on the indicator is used for alarming at the first time, therefore, the short circuit condition can be quickly known, the type updating iteration rate of the fault indicator is very fast along with the development of science and technology, the development of the fault indicator is gradually improved aiming at some defects in the past, and the current fault indicator basically meets the use requirements of daily power distribution network workers:

however, the existing fault indicator on the market still has certain defects, for example, the existing indicator is not convenient to mount and even inconvenient to dismount, when the indicator is exposed for a long time under the natural weather condition, the indicator is easy to damage and influence normal use, but unnecessary trouble is caused due to inconvenient dismounting, and meanwhile, the indicator does not have a protection function, and the indicator lamp is easy to damage under the natural weather condition for a long time at the position of the indicator lamp.

Disclosure of Invention

The invention aims to provide a detachable fault indicator for a power distribution network, which solves the problems of inconvenient detachment and no protection function in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dismantled and assembled fault indicator for distribution network, includes the indicator body, the bottom of indicator body is provided with the pilot lamp, the top of indicator body is fixed with mounting structure, mounting structure includes the draw-in groove, the top of indicator body is fixed with the draw-in groove, the inside bottom of draw-in groove is provided with fixing spring, fixing spring's top is fixed with the fixed plate, the opposite side of lead screw is fixed with first gear, the cover is equipped with the tooth cover on the first gear, one side of first gear is fixed with the swing arm, the below of first gear is provided with the second gear, the fixed surface of second gear has the second to link the axle, the second links epaxial gangbar of installing, the outside cover of pilot lamp is equipped with the housing, the both sides of housing all are fixed with first even axle.

Preferably, the lead screw penetrates through two sides of the clamping groove, the limiting plate is fixed inside the clamping groove, the rubber ring is fixed on one side of the limiting plate, the limiting plate and the rubber ring are both designed to be of an arc-shaped structure, and the lead screw is in threaded connection with the clamping groove.

Preferably, the second gear is meshed with the first gear, and the thickness of the first gear is larger than that of the second gear.

Preferably, the bottom end of the linkage rod is movably connected with a first connecting shaft, the first connecting shaft is connected with a second connecting shaft through the linkage rod for transmission, the linkage rod is provided with two groups, and the two groups of linkage rods are symmetrically distributed about a vertical central axis of the indicator body.

Preferably, the positive surface of indicator body is provided with protective structure, protective structure includes the data plate, the positive surface of indicator body is provided with the data plate, the both sides of data plate are fixed with the guide rail, the inside of guide rail is inserted and is equipped with the slider, install protective cover plate between the slider.

Preferably, the intermediate position department at the indicator body back is provided with dismantlement structure, dismantle structure includes the door, the intermediate position department at the indicator body back installs the door, four corners army of door is fixed with first articulated seat, the articulated strip that pushes away that has of activity on the first articulated seat, it is fixed with the articulated seat of second on the strip to push away, the top of the articulated seat of second is fixed with the telescopic link, the top of telescopic link is provided with flexible groove, flexible groove is fixed at the outer wall of indicator body, the telescopic link is inserted and is established the inside in flexible groove and be provided with expanding spring, the opening has been seted up on the surface in flexible groove, install the ejector pad on the opening.

Preferably, the area of the protective cover plate is larger than that of the nameplate, the width of the sliding block is smaller than the inner width of the guide rail, and the protective cover plate forms a sliding structure between the sliding block and the guide rail.

Preferably, the bottom of ejector pad is passed through the opening and is inserted the inside and the telescopic link welded fastening in flexible groove, the telescopic link utilizes the ejector pad to be extending structure in the inside design in flexible groove, it utilizes the telescopic link design to be flip structure to push away the strip.

Compared with the prior art, the invention has the beneficial effects that:

1. the indicator body is fixed through a clamping groove at the top, the clamping groove is clamped on a cable through an upper opening for fixing, after the cable is inserted, the lead screws at two sides of the clamping groove are matched with limiting plates inserted in the clamping groove for limiting and fixing, the rubber ring arranged on the surface of the limiting plate can play a good protection effect to avoid damage caused by serious friction, meanwhile, the cable and a fixing plate at the bottom end in the clamping groove are matched with a bottom fixing spring for fixing, and a good fixing effect is played, so that the function of quick fixing is realized, the first gear fixed at one side of the first gear is adopted for rotating the lead screw, a rotary rod at one side of the first gear is rotated to enable the lead screw to rotate for fixing and clamping, in addition, the first gear is rotated and simultaneously drives a second gear hinged at the side wall of the indicator body to rotate, a linkage rod is fixed on the surface of the second gear through a second connecting shaft on the surface of the second gear, the cover mainly plays a role in protecting the indicator lamp below the indicator body, when the indicator body is not suitable for the indicator body, the cover covers the indicator lamp for protection, when the indicator body is used, the indicator body is fixed through the upper clamping groove, the second gear can also drive the linkage rod on one side to rotate, so that the linkage rod drives the cover on the bottom to move downwards, the indicator lamp is partially exposed, observation is not affected, the indicator lamp can be exposed while the indicator lamp is fixed, when the indicator lamp is not needed to be used, the indicator lamp is well protected by the cover, and the condition that damage is caused during placement or internal circuit aging is avoided;

2. the back of the indicator body is provided with the bin door, the inside of the indicator body is maintained by a bin door lesson and the like, the bin door is fixed by four corners of push strips, the push strips are firstly fixed at four corners of the back of the indicator body through first hinged seats, the first hinged seats can be used for rotating the push strips, so that the push strips at the four corners can be simultaneously fixed on the bin door to finish the fixing operation, the push strips are fixedly adjusted by adopting a telescopic rod fixed by a second hinged seat, the telescopic rod is inserted in a telescopic groove arranged above the telescopic groove, a telescopic spring is fixed between the telescopic rod and the telescopic groove, when the push block on an opening outside the telescopic groove is pulled, the push block drives the telescopic rod to stretch in the telescopic groove, the position of the push strips is adjusted simultaneously, the push block is not fixed on the bin door, when the push block is sent, the push block is reset along with the telescopic rod under the action of the telescopic spring, four corners of the bin door are fixed, so that the bin door is detached or fixed, and the bin door is convenient to overhaul;

3. through being provided with protective cover plate on the positive surface data plate at the indicator body and protecting, protective cover plate utilizes the slider of both sides to fix on the guide rail that both sides set up, utilize the guide rail to let protective cover plate slide from top to bottom, when installing, slide protective cover plate to the tail end of guide rail through the both sides slider, because protective cover plate's area is greater than the area of data plate, consequently usable protective cover plate shelters from the data plate completely, thereby can protect the back data plate, avoid the data plate to use throughout the year surface wear to influence staff's discernment appears.

Drawings

FIG. 1 is a schematic view of a front view of a partial cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3B according to the present invention;

FIG. 5 is a schematic front view of the first and second gears meshing with each other according to the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a mounting structure; 101. rotating the rod; 102. a linkage rod; 103. a cover; 104. a first coupling shaft; 105. a second coupling shaft; 106. a first gear; 107. a gear sleeve; 108. a screw rod; 109. a card slot; 110. a limiting plate; 111. a fixing plate; 112. fixing the spring; 113. a second gear; 114. a rubber ring; 2. an indicator body; 3. a protective structure; 301. a guide rail; 302. a nameplate; 303. a protective cover plate; 304. a slider; 4. an indicator light; 5. disassembling the structure; 501. pushing the strips; 502. a first hinge mount; 503. a second hinge mount; 504. a telescopic rod; 505. a push block; 506. a telescopic groove; 507. an opening; 508. a tension spring; 509. a bin gate.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a detachable fault indicator for a power distribution network comprises an indicator body 2, an indicator lamp 4 is arranged at the bottom end of the indicator body 2, a mounting structure 1 is fixed at the top end of the indicator body 2, the mounting structure 1 comprises a clamping groove 109, the clamping groove 109 is fixed at the top end of the indicator body 2, a fixing spring 112 is arranged at the bottom end inside the clamping groove 109, a fixing plate 111 is fixed at the top end of the fixing spring 112, a first gear 106 is fixed at the other side of a screw rod 108, a gear sleeve 107 is sleeved on the first gear 106, a rotary rod 101 is fixed at one side of the first gear 106, a second gear 113 is arranged below the first gear 106, a second connecting shaft 105 is fixed on the surface of the second gear 113, a linkage rod 102 is installed on the second connecting shaft 105, a cover 103 is sleeved outside the indicator lamp 4, and first connecting shafts 104 are fixed at two sides of the cover 103;

the two sides of the clamping groove 109 are penetrated with screw rods 108, a limiting plate 110 is fixed in the clamping groove 109 through the screw rods 108, a rubber ring 114 is fixed on one side of the limiting plate 110, the limiting plate 110 and the rubber ring 114 are designed to be arc-shaped structures, the screw rods 108 are in threaded connection with the clamping groove 109, a second gear 113 and a first gear 106 are meshed with each other, the thickness of the first gear 106 is larger than that of the second gear 113, the bottom end of a linkage rod 102 is movably connected with a first connecting shaft 104, the first connecting shaft 104 is connected with a second connecting shaft 105 through the linkage rod 102 for transmission, the linkage rod 102 is provided with two groups, and the two groups of linkage rods 102 are symmetrically distributed about a vertical middle axis of the indicator body 2;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the indicator body 2 is fixed through a top slot 109, the slot 109 is fixed on a cable through an upper opening, after insertion, the cable is fixed by a screw rod 108 at two sides of the slot 109 in cooperation with a limiting plate 110 inserted in the slot 109, the surface of the limiting plate 110 is provided with a rubber ring 114 which can achieve a good protection effect to avoid damage caused by severe friction, and the cable and a fixing plate 111 at the bottom end inside the slot 109 are fixed in cooperation with a bottom fixing spring 112 to achieve a good fixing effect, so as to achieve a rapid fixing function, the screw rod 108 is rotated by using a first gear 106 fixed at one side thereof, a rotating rod 101 at one side of the first gear 106 is rotated to enable the screw rod 108 to rotate for fixing and clamping, and in addition, the first gear 106 is rotated while a second gear 113 hinged at the side wall of the indicator body 2 is driven, the surface of the second gear 113 is fixed with a linkage rod 102 through a second connecting shaft 105 thereon, the bottom end of the linkage rod 102 is connected with a cover 103 at the bottom through a first connecting shaft 104, the cover 103 mainly plays a role of protecting the indicator light 4 below the indicator body 2, when the indicator body 2 is not suitable for use, the cover 103 covers the indicator lamp 4 for protection, when in use, the indicator body 2 is fixed through the upper clamping groove 109, the second gear 113 can drive the linkage rod 102 at one side to rotate, thereby the linkage rod 102 drives the cover 103 at the bottom to move downwards, the indicator light 4 is partially exposed without affecting the observation, thereby realizing that the indicator light 4 can be exposed while being fixed, when the indicator lamp 4 is not needed to be used, the cover 103 is utilized to well protect the indicator lamp, and the condition that the indicator lamp is damaged or the internal circuit is aged during placement is avoided;

the front surface of the indicator body 2 is provided with a protective structure 3, the protective structure 3 comprises a nameplate 302, the front surface of the indicator body 2 is provided with the nameplate 302, guide rails 301 are fixed to two sides of the nameplate 302, a sliding block 304 is inserted in the guide rails 301, a protective cover plate 303 is installed between the sliding blocks 304, the area of the protective cover plate 303 is larger than that of the nameplate 302, the width of the sliding block 304 is smaller than that of the guide rails 301, and the protective cover plate 303 forms a sliding structure between the sliding block 304 and the guide rails 301;

specifically, as shown in fig. 1 and 6, a protective cover plate 303 is arranged on a front surface nameplate 302 of the indicator body 2 for protection, the protective cover plate 303 is fixed on guide rails 301 arranged on two sides by using sliding blocks 304 on two sides, the protective cover plate 303 can slide up and down by using the guide rails 301, when the indicator is installed, the protective cover plate 303 slides to the tail end of the guide rails 301 through the sliding blocks 304 on two sides, and as the area of the protective cover plate 303 is larger than that of the nameplate 302, the nameplate 302 can be completely shielded by using the protective cover plate 303, so that the back nameplate 302 can be protected, and the nameplate 302 is prevented from being worn and affecting the identification of workers due to the surface abrasion caused by the perennial;

the middle position of the back of the indicator body 2 is provided with a dismounting structure 5, the dismounting structure 5 comprises a bin door 509, the middle position of the back of the indicator body 2 is provided with the bin door 509, four corners of the bin door 509 are fixedly provided with first hinged seats 502, the first hinged seats 502 are movably hinged with push bars 501, the push bars 501 are fixedly provided with second hinged seats 503, the top ends of the second hinged seats 503 are fixedly provided with telescopic rods 504, the top ends of the telescopic rods 504 are provided with telescopic grooves 506, the telescopic grooves 506 are fixedly arranged on the outer wall of the indicator body 2, the telescopic rods 504 are inserted into the telescopic grooves 506 and provided with telescopic springs 508, the surfaces of the telescopic grooves 506 are provided with openings 507, the openings 507 are provided with push blocks 505, the bottom ends of the push blocks 505 are inserted into the telescopic grooves 506 through the openings 507 and are welded and fixed with the telescopic rods 504, the telescopic rods 504 are designed into the telescopic grooves 506 by utilizing the push blocks 505 to, the push bar 501 is designed into a turnover structure by using a telescopic rod 504;

specifically, as shown in fig. 3 and 4, a door 509 is disposed on the back of the indicator body 2, the door 509 is used to perform operations such as maintenance and the like on the inside of the indicator body 2, the door 509 is fixed by using four corner push bars 501, the push bars 501 are first fixed at four corners of the back of the indicator body 2 through first hinge seats 502, the first hinge seats 502 can be used to rotate the push bars 501, so that the four corner push bars 501 can fix the door 509 at the same time, the fixing operation is completed, the push bars 501 are fixed by adjusting telescopic rods 504 fixed by second hinge seats 503, the telescopic rods 504 are inserted into the telescopic slots 506 above, and telescopic springs 508 are fixed between the telescopic slots 506, when the push blocks 505 on the openings 507 outside the telescopic slots 506 are pulled, the push blocks 505 drive the telescopic rods 504 to extend and retract in the telescopic slots 506, and adjust the positions of the push bars 501, make it not fixing the door 509, when sending away ejector pad 505, under expanding spring 508's effect, ejector pad 505 resets along with telescopic link 504, and then makes four angles of door 509 fix to the dismantlement or the fixed of realization door 509 is convenient overhauld it.

The working principle is as follows: when the indicator body 2 is used, firstly, the indicator body 2 is fixed through the clamping groove 109 at the top, the clamping groove 109 is clamped into a cable for fixing through an opening at the upper part, after the cable is inserted, the screw rod 108 at two sides of the clamping groove 109 is matched with the limiting plate 110 inserted into the clamping groove 109 for limiting and fixing, the rubber ring 114 arranged on the surface of the limiting plate 110 can play a good protection effect to avoid damage caused by serious friction, meanwhile, the cable and the fixing plate 111 at the bottom end inside the clamping groove 109 are matched with the bottom fixing spring 112 for fixing, so that a good fixing effect is realized, and a quick fixing function is realized, the screw rod 108 is rotated by adopting the first gear 106 fixed at one side thereof, the rotating rod 101 at one side of the first gear 106 is rotated to enable the screw rod 108 to rotate for fixing and clamping, in addition, the first gear 106 is rotated, the second gear 113 hinged at the side wall of the indicator body 2 at the lower part is driven, the bottom end of the linkage rod 102 is connected with the cover 103 at the bottom through the first connecting shaft 104, the cover 103 mainly plays a role in protecting the indicator lamp 4 below the indicator body 2, when the indicator body 2 is not suitable for use, the cover 103 covers the indicator lamp 4 for protection, when the indicator body 2 is used, the second gear 113 can drive the linkage rod 102 at one side to rotate after the indicator body 2 is fixed through the upper clamping groove 109, the linkage rod 102 can drive the cover 103 at the bottom to move downwards, the indicator lamp 4 is partially exposed, observation is not affected, the indicator lamp 4 can be exposed while the indicator lamp is fixed, when the indicator lamp 4 is not needed to be used, the indicator lamp 4 is well protected by the cover 103, and damage or internal line aging during placement is avoided;

then, a door 509 is arranged on the back of the indicator body 2, the door 509 is used for maintaining and other operations on the inside of the indicator body 2, the door 509 is fixed by four corner push bars 501, the push bars 501 are firstly fixed on four corners of the back of the indicator body 2 through first hinge seats 502, the first hinge seats 502 can be used for rotating the push bars 501, thereby the four corner push bars 501 are simultaneously fixed on the door 509, the fixing operation is completed, the push bars 501 are fixed by adopting telescopic rods 504 whose upper parts are fixed through second hinge seats 503, the telescopic rods 504 are inserted into the upper telescopic grooves 506, telescopic springs 508 are fixed between the telescopic grooves 506, when the push blocks 505 on the openings 507 outside the telescopic grooves 506 are pulled, the push blocks 505 drive the telescopic rods 504 to be telescopic in the telescopic grooves 506, and the positions of the push bars 501 are simultaneously adjusted, so that the door 509 is not fixed, when the pushing block 505 is sent away, under the action of the telescopic spring 508, the pushing block 505 resets along with the telescopic rod 504, so that four corners of the bin door 509 are fixed, the bin door 509 is detached or fixed, and the maintenance is facilitated;

finally, be provided with protective cover plate 303 on indicator body 2's positive surface data plate 302 and protect, protective cover plate 303 utilizes the slider 304 of both sides to fix on the guide rail 301 that both sides set up, utilize guide rail 301 to let protective cover plate 303 slide from top to bottom, when installing, slide protective cover plate 303 to the tail end of guide rail 301 through both sides slider 304, because protective cover plate 303's area is greater than data plate 302's area, consequently usable protective cover plate 303 shelters from data plate 302 completely, thereby can protect back data plate 302, avoid data plate 302 to use throughout the year surface wear to appear and influence staff's discernment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a removable fault indicator for distribution network, includes indicator body (2), its characterized in that: the bottom of the indicator body (2) is provided with an indicator lamp (4), the top of the indicator body (2) is fixed with a mounting structure (1), the mounting structure (1) comprises a clamping groove (109), the top of the indicator body (2) is fixed with the clamping groove (109), the bottom inside the clamping groove (109) is provided with a fixed spring (112), the top of the fixed spring (112) is fixed with a fixed plate (111), the other side of the lead screw (108) is fixed with a first gear (106), a gear sleeve (107) is sleeved on the first gear (106), one side of the first gear (106) is fixed with a rotary rod (101), a second gear (113) is arranged below the first gear (106), a second connecting shaft (105) is fixed on the surface of the second gear (113), and a linkage rod (102) is installed on the second connecting shaft (105), the outside cover of pilot lamp (4) is equipped with housing (103), the both sides of housing (103) all are fixed with first even axle (104).

2. The fault indicator of claim 1, wherein: lead screw (108) have been run through to the both sides of draw-in groove (109), lead screw (108) run through inside of draw-in groove (109) and are fixed with limiting plate (110), one side of limiting plate (110) is fixed with rubber circle (114), limiting plate (110) and rubber circle (114) all design for the arc structure, be threaded connection between lead screw (108) and draw-in groove (109).

3. The fault indicator of claim 1, wherein: the second gear (113) is meshed with the first gear (106), and the thickness of the first gear (106) is larger than that of the second gear (113).

4. The fault indicator of claim 1, wherein: the bottom end of the linkage rod (102) is movably connected with a first connecting shaft (104), the first connecting shaft (104) is connected with a second connecting shaft (105) through the linkage rod (102) for transmission, two groups of linkage rods (102) are arranged, and the two groups of linkage rods (102) are symmetrically distributed about the vertical middle axis of the indicator body (2).

5. The fault indicator of claim 1, wherein: the positive surface of indicator body (2) is provided with protective structure (3), protective structure (3) are including data plate (302), the positive surface of indicator body (2) is provided with data plate (302), the both sides of data plate (302) are fixed with guide rail (301), the inside of guide rail (301) is inserted and is equipped with slider (304), install between slider (304) protective cover board (303).

6. The fault indicator of claim 1, wherein: the indicator is characterized in that a dismounting structure (5) is arranged at the middle position of the back of the indicator body (2), the dismounting structure (5) comprises a bin door (509), the bin door (509) is installed at the middle position of the back of the indicator body (2), first hinged seats (502) are fixedly arranged at four corners of the bin door (509), a push bar (501) is movably hinged on the first hinged seat (502), a second hinged seat (503) is fixedly arranged on the push bar (501), a telescopic rod (504) is fixedly arranged at the top end of the second hinged seat (503), a telescopic groove (506) is formed in the top end of the telescopic rod (504), the telescopic groove (506) is fixedly arranged on the outer wall of the indicator body (2), a telescopic spring (508) is arranged in the telescopic rod (504) inserted into the telescopic groove (506), and an opening (507) is formed in the surface of the telescopic groove (506), the opening (507) is provided with a push block (505).

7. The fault indicator of claim 5, wherein: the area of the protective cover plate (303) is larger than that of the nameplate (302), the width of the sliding block (304) is smaller than the inner width of the guide rail (301), and the protective cover plate (303) forms a sliding structure between the sliding block (304) and the guide rail (301).

8. The fault indicator of claim 6, wherein: the bottom end of the push block (505) is inserted into the telescopic groove (506) through the opening (507) and is welded and fixed with the telescopic rod (504), the telescopic rod (504) is designed into a telescopic structure in the telescopic groove (506) through the push block (505), and the push strip (501) is designed into a turnover structure through the telescopic rod (504).