CN116950487B - Cross arm and device for on-line monitoring of circuit - Google Patents
Cross arm and device for on-line monitoring of circuit Download PDFInfo
- Publication number
- CN116950487B CN116950487B CN202311219188.4A CN202311219188A CN116950487B CN 116950487 B CN116950487 B CN 116950487B CN 202311219188 A CN202311219188 A CN 202311219188A CN 116950487 B CN116950487 B CN 116950487B
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- cross arm
- sliding
- sleeve
- spring
- fault indicator
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 6
- 238000012806 monitoring device Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
- H02G7/205—Installation of electric cables, extending along a pole
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Locating Faults (AREA)
Abstract
The application provides a cross arm and a device for on-line monitoring of a line. The two cross arm brackets are fixed on the cross rod at the top end of the electric pole through the bracket fixing assembly and are parallel to the cross rod; the two cross arm supports are respectively positioned at two sides of the electric pole; the sleeve is arranged between the two cross arm brackets, is connected to the two cross arm brackets in a sliding way through the sliding component, and is positioned and fixed through the sleeve positioning component; the mounting barrel is disposed within the sleeve for receiving the fault indicator. The cross arm and the fault indicator are combined with each other, so that the cross arm which can support the electric wire and can monitor the electric wire on line is provided; meanwhile, the interval between the two fault indicators can be conveniently adjusted through the sliding blocks on the sleeve, and the sleeve can be conveniently installed and detached between the cross arm main supports.
Description
Technical Field
The application belongs to the technical field of line monitoring devices, and particularly relates to a cross arm and a device for line on-line monitoring.
Background
The cross arm is an angle iron transversely fixed at the top of the telegraph pole, and a porcelain insulator is arranged on the cross arm and is used for supporting the overhead wire. The cross arm is an important component in the tower and is used for installing insulators and hardware fittings to support wires and lightning conductors and keep certain safety distance according to regulations. The existing cross arm is simple in structure and single in function, can only play a role in supporting the electric wires and porcelain bottles, and when the line needs to be monitored online, other monitoring devices need to be installed on the cross arm or the telegraph pole. In this way, the monitoring device occupies additional space on the cross arm or the pole during installation, and because the line has a certain height on the pole, there are also many inconveniences when the monitoring device is installed.
Disclosure of Invention
The application aims to at least solve one of the technical problems existing in the prior art or related art, namely that a space for installing monitoring equipment is not available on a cross arm and the monitoring equipment is inconvenient to assemble and disassemble.
In view of this, a first aspect of the application provides a cross arm on which components dedicated to the installation of monitoring equipment are provided, and which components are very easy to assemble and disassemble.
A second aspect of the application provides an apparatus for line on-line monitoring comprising a fault indicator, a data receiver and a crossarm as described above.
The method specifically comprises the following technical scheme:
according to a first aspect of an embodiment of the present application, there is provided a cross arm comprising two cross arm brackets, a sleeve and a mounting barrel.
The two cross arm brackets are fixed on a cross rod at the top end of the electric pole through bracket fixing components and are parallel to the cross rod; the two cross arm brackets are respectively positioned at two sides of the electric pole; the sleeve is arranged between the two cross arm brackets, is connected to the two cross arm brackets in a sliding way through the sliding component, and is positioned and fixed through the sleeve positioning component; the mounting barrel is disposed within the sleeve for receiving a fault indicator.
Further, at least two sleeves are arranged on two sides of the electric pole respectively; the number of the mounting cylinders is the same as that of the sleeves, and the mounting cylinders and the sleeves are arranged in the sleeves in a one-to-one correspondence.
Preferably, the bracket fixing assembly comprises a connecting piece and a curved piece; the middle part of the connecting sheet is provided with a groove which is matched with the cross section shape of the cross rod, and the groove is sleeved on the cross rod; two ends of the connecting sheet are respectively connected with two cross arm brackets; the connecting pieces are at least two and are respectively positioned at two sides of the electric pole; at least two curved sheets are respectively arranged on the two cross arm brackets; one surface of the curved piece is connected to the side surface of the cross arm support, which is close to the electric pole, and the other surface of the curved piece is fixed to the electric pole.
Preferably, the sliding component comprises a sliding groove and a sliding block; the sliding grooves are four, and are respectively arranged at two ends of the side surfaces of the two cross arm brackets, which are close to the electric pole; two sliding blocks are arranged on each sleeve, and the two sliding blocks are respectively connected to two side walls of the sleeve, which are close to the two cross arm brackets; each sliding block is arranged in the corresponding sliding groove in a sliding mode.
Preferably, the sleeve positioning assembly comprises a limiting hole, a sliding rod, a top piece, a first clamping block, a first spring and a bottom plate; the limiting holes are four groups and are respectively arranged at two ends of the top surfaces of the two cross arm brackets; each group of limiting holes are arranged along the length direction of the cross arm bracket; the sliding rods are arranged between each sliding block and the wall of the sleeve at the corresponding position in a sliding manner; each sliding rod is vertically arranged and penetrates through the corresponding sliding block; the upper end of each sliding rod is connected with the top sheet; the bottom surface of each top piece far away from one end of the sleeve is connected with a first clamping block, and the shape of the first clamping block is matched with the shape of the limiting hole; the sleeves are penetrating cylinders, and each sleeve is provided with one bottom plate; the lower ends of the two sliding rods corresponding to the two sliding blocks on each sleeve are respectively connected with the two ends of the bottom plate; the lower end of each sliding rod is sleeved with the first spring; the upper end of each first spring is connected with the corresponding sleeve, and the lower end of each first spring is connected with the corresponding bottom plate.
Further, a fault indicator fixing assembly is further arranged on the mounting cylinder and the fault indicator and used for fixing the fault indicator.
Preferably, the fault indicator fixing assembly comprises a second spring, a clamping hole and a second clamping block; the second spring is vertically arranged in the mounting cylinder, and the lower end of the second spring is connected to the bottom of the mounting cylinder; the clamping holes are formed in the side wall of the mounting cylinder; the second clamping block is connected to the side wall of the fault indicator at a position corresponding to the clamping hole, and the shape of the second clamping block is matched with that of the clamping hole.
Further, a hanging wire component is further arranged on the mounting cylinder and the fault indicator and used for hanging the fault indicator on a cable.
Preferably, the wire hanging assembly comprises a bent beam, a first wire pressing spring, a second wire pressing spring, a bent beam drag hook, a first spring drag hook and a second spring drag hook; the bent beam comprises a base and an upper beam; the base is connected to the top end of the fault indicator; one end of the upper beam is movably connected with one end of the base; the other end of the upper beam is arranged at the other end of the base in an openable and closable manner; a through hole is formed between the base and the upper beam, and the first line pressing spring and the second line pressing spring are arranged in the through hole; the rotating shafts of the first line pressing spring and the second line pressing spring are respectively arranged at two ends of the base and are parallel to the direction of the through hole; the bent beam drag hook is rotationally connected to the side wall of the mounting cylinder at a position corresponding to one end of the upper beam movably connected with the mounting cylinder; the first spring drag hook is rotationally connected to the side wall of the mounting cylinder at a position corresponding to the rotating shaft of the first line pressing spring; the second spring drag hook is rotationally connected to the side wall of the mounting cylinder at a position corresponding to the rotating shaft of the second line pressing spring.
According to a second aspect of an embodiment of the present application, there is provided an apparatus for on-line monitoring of a line, comprising: fault indicator, data receiving device and cross arm as described in any of the above claims.
Compared with the prior art, the application at least comprises the following beneficial effects:
the device for on-line monitoring of the line, provided by the application, combines the cross arm and the fault indicator, and provides the cross arm which can support the electric wire and monitor the electric wire on line. The interval between two fault indicators can be conveniently adjusted through the sliding block on the sleeve, and the sleeve can be conveniently installed and detached between the cross arm main brackets. Meanwhile, through the arrangement of the spring drag hook and the bent beam drag hook, the fault indicator can be more simply and conveniently fixed on the electric wire during installation.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a cross arm according to an embodiment of the present application;
FIG. 3 is a schematic view of a connecting piece according to an embodiment of the present application;
FIG. 4 is a schematic view of a sleeve according to an embodiment of the present application;
FIG. 5 is a schematic view of a mounting cylinder according to an embodiment of the present application;
FIG. 6 is a schematic view of another direction of the mounting cylinder according to the embodiment of the present application;
FIG. 7 is a schematic diagram of a fault indicator according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a data receiving device according to an embodiment of the present application.
The reference numerals are expressed as:
1-a cross arm bracket; 11-connecting pieces; 111-grooves; 12-curved sheets; 13-a chute; 14-limiting holes;
2-a sleeve; 21-a slider; 22-slide bar; 23-a topsheet; 24-a first clamping block; 25-a first spring; 26-a bottom plate;
3-mounting a barrel; 31-a second spring; 32-clamping holes; 33-bending beam drag hook; 34-a first spring retractor; 35-a second spring drag hook; 36-a first upright; 37-a second upright;
4-fault indicator; 41-a second clamping block; 42-bending beams; 421-base; 422-upper beam; 423-through holes; 43-a first wire pressing spring; 44-a second wire pressing spring;
a 5-data receiver; 51-an antenna; 52-hoops; 521-a first strap; 522-a second cuff strip; 53-a connecting frame; 54-shielding plate;
6-a solar panel; 61-a bracket;
7-an electric pole; 71-cross bar.
Detailed Description
In order to better understand the above technical solutions, the following detailed description of the technical solutions of the embodiments of the present application is made by using the accompanying drawings and the specific embodiments, and it should be understood that the specific features of the embodiments of the present application are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the technical features of the embodiments of the present application may be combined with each other without conflict.
In view of this, according to a first aspect of an embodiment of the present application, a crossarm is proposed, comprising two crossarm brackets 1, a sleeve 2 and a mounting cylinder 3.
As shown in fig. 1 and 2, in one embodiment, both of the cross arm brackets 1 are fixed to a cross bar 71 at the top end of the electric pole 7 by a bracket fixing assembly, and are parallel to the cross bar 71; the two cross arm brackets 1 are respectively positioned at two sides of the electric pole 7; the sleeve 2 is arranged between the two cross arm brackets 1, is connected to the two cross arm brackets 1 in a sliding way through a sliding component, and is positioned and fixed through a sleeve positioning component; the mounting cylinder 3 is arranged in the sleeve 2 for accommodating a fault indicator 4.
In a specific operation, because the sleeves 2 are in sliding connection with the two cross arm brackets 1, the sleeves 2 can be assembled and disassembled very conveniently, so that the number of the sleeves 2 can be increased or reduced at will according to the working requirement, and the distance between the sleeves 2 can be adjusted and fixed according to the requirement. The fault indicator 4 is placed into the mounting cylinder 3 and then into the sleeve 2 together, thereby achieving easy mounting of the fault indicator 4 onto the pole 7.
Further, at least two sleeves 2 are arranged on two sides of the electric pole 7 respectively; the number of the mounting cylinders 3 is the same as the number of the sleeves 2, and the mounting cylinders are arranged in the sleeves 2 in a one-to-one correspondence with the sleeves 2.
In actual operation, the on-line monitoring device is to be used for monitoring on-line data of two-phase or three-phase electricity, so that two or three of the sleeves 2 are needed, the number of the mounting cylinders 3 and the fault indicators 4 is the same as that of the sleeves 2, and the three are in one-to-one correspondence.
Preferably, in one embodiment, the bracket fixing assembly includes a connection piece 11 and a curved piece 12.
As shown in fig. 3, the middle part of the connecting piece 11 is provided with a groove 111 corresponding to the cross section shape of the cross rod 71, and the groove 111 is sleeved on the cross rod 71; two ends of the connecting sheet 11 are respectively connected with two cross arm brackets 1; at least two connecting pieces 11 are respectively arranged on two sides of the electric pole 7; at least two curved sheets 12 are respectively arranged on the two cross arm brackets 1; one surface of the curved sheet 12 is connected to the side surface of the cross arm support 1, which is close to the electric pole 7, and the other surface is fixed to the electric pole 7.
Two ends of the connecting sheet 11 are respectively connected with two cross arm supports 1, a groove is formed in the middle of the connecting sheet and sleeved with the cross rod 71, and two sides of the electric pole 7 are connected with the cross arm supports. This structure makes it possible to stably mount the two cross arm brackets 1 on the top end of the pole 7 in a direction perpendicular to the cross bar 71.
In a specific embodiment, a waist-shaped hole is formed at the position where the cross arm support 1 is connected with the connecting piece 11, and when the connecting piece 11 is connected with the cross arm support 1 through a bolt, the optimal position of the connecting piece 11 can be determined by sliding the bolt in the waist-shaped hole. At the same time, more connecting pieces 11 can be provided, so that the cross arm support 1 is more firmly supported.
Meanwhile, in a specific embodiment, the convex surface of the curved plate 12 faces the electric pole 7, and when the connecting plate 11 is fixed, the convex surface of the curved plate 12 is fixed on the electric pole 7 in a squeezing manner, so that the cross arm support 1 is stably erected in a direction parallel to the cross rod 71 and in a vertical direction.
Preferably, in one embodiment, the sliding assembly includes a chute 13 and a slider 21.
As shown in fig. 2, four sliding grooves 13 are respectively arranged at two ends of the side surface of the two cross arm brackets 1, which is close to the electric pole 7; two sliding blocks 21 are arranged on each sleeve 2, and the two sliding blocks 21 are respectively connected to two side walls of the sleeve 2, which are close to the two cross arm brackets 1; each slide block 21 is slidably disposed in the corresponding slide groove 13.
Each chute 13 penetrates from the end of one end of the cross arm support 1 to the position of the connecting sheet 11 close to the end, so that the sleeve 2 can be mounted at any required position according to actual requirements, and a plurality of sleeves 2 are convenient to mount, dismount and arrange.
Preferably, in one embodiment, the sleeve positioning assembly includes a limiting hole 14, a sliding rod 22, a top sheet 23, a first clamping block 24, a first spring 25 and a bottom plate 26.
As shown in fig. 2 and 4, the limiting holes 14 are four groups and are respectively arranged at two ends of the top surfaces of the two cross arm brackets 1; each group of limiting holes 14 are arranged along the length direction of the cross arm bracket 1; the sliding rods 22 are arranged between each sliding block 21 and the wall of the sleeve 2 at the corresponding position in a sliding way; each sliding rod 22 is vertically arranged and penetrates through the corresponding sliding block 21; the upper end of each slide bar 22 is connected with the top sheet 23; the bottom surface of one end of each top piece 23 far away from the sleeve 2 is connected with the first clamping block 24, and the shape of the first clamping block 24 is matched with the shape of the limiting hole 14; the sleeves 2 are through cylinders, and each sleeve 2 is provided with one bottom plate 26; the lower ends of the two sliding rods 22 corresponding to the two sliding blocks 21 on each sleeve 2 are respectively connected with two ends of the bottom plate 26; the lower end of each sliding rod 22 is sleeved with the first spring 25; the upper end of each first spring 25 is connected to the corresponding sleeve 2, and the lower end is connected to the corresponding bottom plate 26.
In actual operation, when the sleeve 2 is in the idle state, the bottom plate 26 is close to the sleeve 2 under the tension of the first spring 25, and the sliding rod 22 maintains the normal position, so that the first clamping block 24 is also in a normal position higher than the limiting hole 14. At this time, the sleeve 2 is slid to a desired position along the slide groove 13, and then the mounting cylinder 3 loaded with the fault indicator 4 is put in. Due to the weight of the mounting cylinder 3 and the fault indicator 4, the bottom plate 26 is pressed down, so as to drive the sliding rod 22 to move downwards, and the top piece 23 located at the upper end of the sliding rod 22 also drives the first clamping block 24 to move downwards, so that the first clamping block 24 is inserted into the limiting hole 14 at the corresponding position, and positioning of the sleeve 2 is achieved.
In particular embodiments, the distance between each set of the spacing holes 14 is determined according to particular needs. In addition, there may be a plurality of slide bars 22 corresponding to each slide block 21 to ensure the bearing force of the slide bars 22 on the mounting cylinder 3 and the fault indicator 4.
Further, a fault indicator fixing component is further arranged on the mounting cylinder 3 and the fault indicator 4 and is used for fixing the fault indicator 4.
Preferably, in one embodiment, the fault indicator fixing assembly includes a second spring 31, a clamping hole 32, and a second clamping block 41.
As shown in fig. 5, the second spring 31 is vertically disposed in the mounting cylinder 3, and the lower end of the second spring 31 is connected to the bottom of the mounting cylinder 3; the clamping holes 32 are arranged on the side wall of the mounting cylinder 3; the second clamping block 41 is connected to the side wall of the fault indicator 4 at a position corresponding to the clamping hole 32, and the shape of the second clamping block 41 is adapted to the shape of the clamping hole 32.
When the fault indicator 4 is placed in the mounting cylinder 3, the fault indicator 4 presses the second spring 31 downward, and then the second clamping block 41 is inserted into the corresponding clamping hole 32, so that the second clamping block 41 is firmly clamped in the clamping hole 32 by using the upward thrust of the second spring 31. In an embodiment, there may be a plurality of second clamping blocks 41 and 32, which are in one-to-one correspondence with each other.
Further, a wire hanging component is further arranged on the mounting cylinder 3 and the fault indicator 4, and is used for hanging the fault indicator 4 on a cable.
Preferably, in one embodiment, the wire hanging assembly includes a curved beam 42, a first wire pressing spring 43, a second wire pressing spring 44, a curved beam retractor 33, a first spring retractor 34, and a second spring retractor 35.
As shown in fig. 7, the curved beam 42 includes a base 421 and an upper beam 422; the base 421 is connected to the top end of the fault indicator 4; one end of the upper beam 422 is movably connected to one end of the base 421; the other end of the upper beam 422 is openably and closably arranged at the other end of the base 421; a through hole 423 is provided between the base 421 and the upper beam 422, and the first wire pressing spring 43 and the second wire pressing spring 44 are provided in the through hole 423; the rotation shafts of the first wire pressing spring 43 and the second wire pressing spring 44 are respectively disposed at two ends of the base 421 and are parallel to the direction of the through hole 423; the bent beam draw hook 33 is rotatably connected to the side wall of the mounting cylinder 3 at a position corresponding to one end of the upper beam 422, which is movably connected; the first spring drag hook 34 is rotatably connected to the side wall of the mounting cylinder 3 at a position corresponding to the rotating shaft of the first line pressing spring 43; the second spring hook 35 is rotatably connected to the side wall of the mounting cylinder 3 at a position corresponding to the rotation axis of the second pressing spring 44.
In actual operation, the upper beam 422 is pulled up by hand, and the upper beam 422 is hung by the curved beam retractor 33, so that the upper beam 422 is kept in an open state; then prying up the first wire pressing spring 43 by a tool, and hanging the first wire pressing spring 43 by the first spring drag hook 34 so as to keep the first wire pressing spring 43 in an open state; in the same way, the second wire pressing spring 44 is hung by the second spring hook 35, so that the second wire pressing spring 44 is kept in an open state, and the installation preparation is completed. Hanging the upper beam 422 onto the cable, and positioning the cable below the first wire pressing spring 43 and the second wire pressing spring 44; then, pushing up by force, so that the first wire pressing spring 43 and the second wire pressing spring 44 are separated from the first spring drag hook 34 and the second spring drag hook 35 respectively and reset to a closing state, and firmly pressing the cable; finally, the upper beam 422 is buckled downwards, and the whole process of hanging the fault indicator 4 on the cable is completed.
In a specific embodiment, in order to facilitate the installation and use of the curved beam retractor 33, the first spring retractor 34 and the second spring retractor 35, a first upright 36 and a second upright 37 are further provided on the side wall of the installation cylinder 3. It is defined that the position of the rotating shaft of the second pressing spring 44 is identical to the position of the movable connecting end of the upper beam 422, and then: the first upright post 36 is arranged on the side wall of the mounting cylinder 3 at a position corresponding to the rotating shaft of the first wire pressing spring 43, and the first spring drag hook 34 is rotatably connected to the top end of the first upright post 36; the second upright post 37 is arranged on the side wall of the mounting cylinder 3 and corresponds to the rotating shaft of the second line pressing spring 44, the bent beam draw hook 33 is rotationally connected to the top end of the second upright post 37, and the second spring draw hook 35 is rotationally connected to the side face of the second upright post 37.
According to a second aspect of an embodiment of the present application, there is provided an apparatus for on-line monitoring of a line, comprising: fault indicator 4, data receiving device and cross arm as described in any of the above claims. Therefore, the device has all the beneficial effects of the cross arm of the technical scheme, and the description is omitted here.
In addition, in one embodiment, the data receiver 5 is mounted directly on the pole 7 to facilitate the reception and analysis of real-time data. As shown in fig. 8, the data receiver 5 is fixed on the electric pole 7 through a hanging rod assembly, a shielding plate 54 is arranged at the top of the data receiver 5, and an antenna 51 is arranged at the top of the shielding plate 54 for realizing signal transmission between the fault indicator 4 and the data receiver 5.
Further, in one embodiment, a solar panel 6 is further disposed on the data receiver 5, for providing power to the data receiver 5. The upper end of the solar panel 6 is rotatably connected to the top of one side of the equipment box 5 far away from the electric pole 7; a support frame 61 is rotatably provided at the middle of the side of the equipment box 5 away from the electric pole 7 for supporting the lower end of the solar panel 6.
Preferably, the hanging rod assembly comprises a hoop 52 and a connecting frame 53.
As shown in fig. 8, one end of the connecting frame 53 is connected to one side of the data receiver 5, which is close to the electric pole 7, and the other end is connected to the anchor ear 52; the hoop 52 is an annular hoop strip which is adapted to the cross-sectional shape of the electric pole 7. The anchor ear 52 surrounds the electric pole 7, and the anchor ear 52 can firmly hang the data receiver 5 on the pole body of the electric pole 7 by utilizing the characteristics of the electric pole 7, such as thickness and thickness.
In a specific embodiment, the hoop 52 further includes a first strap 521 and a second strap 522, and the connecting frame 53 is connected to the second strap 522. When installed, the first strap 521 is wrapped around one side of the pole 7 body, and the second strap 522 is wrapped around the other opposite side of the pole 7 body, away from the connecting frame 53; then, both ends of the first strap 521 and the corresponding ends of the second strap 522 are respectively connected, so that the first strap 521 and the second strap 522 are tightly fixed to the pole body of the pole 7, thereby also fixing the data receiver 5 to the pole 7.
In the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The cross arm is characterized by comprising two cross arm brackets (1), a sleeve (2) and a mounting cylinder (3);
the two cross arm brackets (1) are fixed on a cross rod (71) at the top end of the electric pole (7) through bracket fixing components and are parallel to the cross rod (71);
the two cross arm brackets (1) are respectively positioned at two sides of the electric pole (7);
the sleeve (2) is arranged between the two cross arm brackets (1), is connected to the two cross arm brackets (1) in a sliding way through a sliding component, and is positioned and fixed through a sleeve positioning component;
the mounting cylinder (3) is arranged in the sleeve (2) and is used for accommodating a fault indicator (4).
2. The crossarm of claim 1 wherein,
at least two sleeves (2) are respectively arranged on two sides of the electric pole (7);
the number of the mounting cylinders (3) is the same as that of the sleeves (2), and the mounting cylinders are arranged in the sleeves (2) in one-to-one correspondence with the sleeves (2).
3. The crossarm according to claim 1, wherein the bracket fixing assembly comprises a connecting piece (11) and a curved piece (12);
the middle part of the connecting sheet (11) is provided with a groove (111) which is matched with the cross section shape of the cross rod (71), and the groove (111) is sleeved on the cross rod (71);
two ends of the connecting sheet (11) are respectively connected with two cross arm brackets (1);
at least two connecting pieces (11) are respectively positioned at two sides of the electric pole (7);
at least two curved sheets (12) are respectively arranged on the two cross arm brackets (1);
one surface of the curved sheet (12) is connected to the side surface of the cross arm support (1) close to the electric pole (7), and the other surface of the curved sheet is fixed to the electric pole (7).
4. The crossarm according to claim 1, wherein the sliding assembly comprises a runner (13) and a slider (21);
the number of the sliding grooves (13) is four, and the sliding grooves are respectively arranged at two ends of the side surfaces of the two cross arm brackets (1) close to the electric pole (7);
two sliding blocks (21) are arranged on each sleeve (2), and the two sliding blocks (21) are respectively connected to two side walls, close to the two cross arm brackets (1), of the sleeve (2);
each sliding block (21) is arranged in the corresponding sliding groove (13) in a sliding way.
5. The crossarm according to claim 4, wherein the sleeve positioning assembly comprises a limiting hole (14), a sliding rod (22), a top sheet (23), a first clamping block (24), a first spring (25) and a bottom plate (26);
four groups of limit holes (14) are respectively arranged at two ends of the top surfaces of the two cross arm brackets (1);
each group of limiting holes (14) are arranged along the length direction of the cross arm bracket (1);
the sliding rods (22) are arranged between each sliding block (21) and the cylinder wall of the sleeve (2) at the corresponding position in a sliding manner;
each sliding rod (22) is vertically arranged and penetrates through the corresponding sliding block (21);
the upper end of each sliding rod (22) is connected with the top sheet (23);
the bottom surface of one end, far away from the sleeve (2), of each top piece (23) is connected with a first clamping block (24), and the shape of the first clamping block (24) is matched with the shape of the limiting hole (14);
the sleeves (2) are penetrating cylinders, and each sleeve (2) is provided with one bottom plate (26);
the lower ends of the two sliding rods (22) corresponding to the two sliding blocks (21) on each sleeve (2) are respectively connected with the two ends of the bottom plate (26);
the lower end of each sliding rod (22) is sleeved with the first spring (25);
the upper end of each first spring (25) is connected with the corresponding sleeve (2), and the lower end is connected with the corresponding bottom plate (26).
6. The crossarm according to claim 1, wherein a fault indicator securing assembly is further provided on the mounting cylinder (3) and the fault indicator (4) for securing the fault indicator (4).
7. The crossarm of claim 6, wherein the fault indicator securing assembly comprises a second spring (31), a detent (32) and a second detent (41);
the second spring (31) is vertically arranged in the mounting cylinder (3), and the lower end of the second spring (31) is connected to the bottom of the mounting cylinder (3);
the clamping holes (32) are arranged on the side wall of the mounting cylinder (3);
the second clamping block (41) is connected to the side wall of the fault indicator (4) at a position corresponding to the clamping hole (32), and the shape of the second clamping block (41) is matched with the shape of the clamping hole (32).
8. The crossarm according to claim 1, characterized in that a wire hanging assembly is also provided on the mounting cylinder (3) and the fault indicator (4) for hanging the fault indicator (4) on a cable.
9. The crossarm of claim 8, wherein the wire hanging assembly comprises a bent beam (42), a first wire pressing spring (43), a second wire pressing spring (44), a bent beam retractor (33), a first spring retractor (34) and a second spring retractor (35);
the bent beam (42) comprises a base (421) and an upper beam (422);
the base (421) is connected to the top end of the fault indicator (4);
one end of the upper beam (422) is movably connected with one end of the base (421);
the other end of the upper beam (422) is arranged at the other end of the base (421) in an openable and closable manner;
a through hole (423) is arranged between the base (421) and the upper beam (422), and the first wire pressing spring (43) and the second wire pressing spring (44) are arranged in the through hole (423);
the rotating shafts of the first wire pressing spring (43) and the second wire pressing spring (44) are respectively arranged at two ends of the base (421) and are parallel to the direction of the through hole (423);
the bent beam drag hook (33) is rotationally connected to the side wall of the mounting cylinder (3) at a position corresponding to one end of the upper beam (422) which is movably connected;
the first spring drag hook (34) is rotationally connected to the side wall of the mounting cylinder (3) at a position corresponding to the rotating shaft of the first line pressing spring (43);
the second spring drag hook (35) is rotatably connected to the side wall of the mounting cylinder (3) at a position corresponding to the rotating shaft of the second line pressing spring (44).
10. An apparatus for on-line monitoring of a line, comprising: fault indicator (4), data receiving device and cross arm according to any of claims 1 to 9.
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| CN202311219188.4A CN116950487B (en) | 2023-09-21 | 2023-09-21 | Cross arm and device for on-line monitoring of circuit |
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| CN202311219188.4A CN116950487B (en) | 2023-09-21 | 2023-09-21 | Cross arm and device for on-line monitoring of circuit |
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| CN116950487B true CN116950487B (en) | 2023-11-21 |
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