CN207053142U - Female link fitting of pipe - Google Patents
Female link fitting of pipe Download PDFInfo
- Publication number
- CN207053142U CN207053142U CN201721023393.3U CN201721023393U CN207053142U CN 207053142 U CN207053142 U CN 207053142U CN 201721023393 U CN201721023393 U CN 201721023393U CN 207053142 U CN207053142 U CN 207053142U
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- pipe
- bus
- support frame
- current
- smoothing reactor
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- 238000010586 diagram Methods 0.000 description 5
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- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
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- 230000035882 stress Effects 0.000 description 2
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- 229920006362 Teflon® Polymers 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses a female link fitting of pipe relates to electric power fitting technical field for reduce the safe risk of female link fitting of pipe when the female peaceful ripples reactor of connecting pipe, improve the connection stability of female link fitting of pipe. The pipe bus connecting hardware fitting comprises a shielding ring, a current-carrying conductor and a supporting part, wherein the shielding ring and the current-carrying conductor are sequentially sleeved on the outer wall of a pipe bus, and the supporting part is arranged at the pipe orifice of the pipe bus; the supporting part is fixedly connected with a wiring board of the smoothing reactor through the combined supporting frame, and the current-carrying conductor is electrically connected with the wiring board of the smoothing reactor through a connecting wire. The utility model provides a female link fitting of pipe is used for the female and peaceful ripples reactor of connecting pipe.
Description
Technical Field
The utility model relates to an electric power fitting technical field especially relates to a female link fitting of pipe.
Background
As one of important components of a direct current transmission project, a converter station has a large number of tubular bus connection fittings for connecting a tubular bus and a smoothing reactor in a direct current field of the converter station.
At present, a pipe bus connecting fitting for connecting a pipe bus and a smoothing reactor is shown in fig. 1, and the pipe bus connecting fitting comprises a pipe bus support 11 for supporting and fixing the pipe bus 10, and a pipe bus T-joint fitting 12 connected with a pipe orifice of the pipe bus 10, wherein the pipe bus T-joint fitting 12 is further connected with a terminal board 14 of the smoothing reactor through a plurality of connecting wires 13; wherein, a shielding ring 15 is arranged on the tube mother supporting piece 11, and a plurality of connecting leads 13 are respectively isolated by a lead spacing bar 16.
However, since the connection wire 13 is generally a flexible wire, when the length of the connection wire 13 is too long, the connection wire 13 is easily swung and deformed by wind, and the distance to the ground cannot be ensured, thereby leaving a potential safety hazard for the use of the tubular bus connection fitting.
Moreover, with the increase of the outer diameter of the connecting wires 13 and the increase of the number of the connecting wires 13, the self weight, the ice coating weight and the wind force borne by the connecting wires 13 in the horizontal direction are greatly increased, so that the T-shaped pipe bus fittings 12 and the terminal plates 14 at the two ends of the connecting wires 13 are required to bear large tensile force, which easily causes the disconnection between the T-shaped pipe bus fittings 12 and the pipe orifices of the pipe bus 10, or causes the disconnection between the connecting wires 13 and the terminal plates 14, etc., and causes the connection failure between the pipe bus 10 and the smoothing reactor, thereby affecting the safe operation of the direct current transmission project.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a female link fitting of pipe to reduce the safety risk of female link fitting of pipe when female and peaceful ripples reactor of connecting pipe, improve the connection stability of female link fitting of pipe.
In order to achieve the above object, the present invention provides the following technical solutions:
a pipe bus connecting hardware fitting comprises a shielding ring, a current-carrying conductor and a supporting part, wherein the shielding ring and the current-carrying conductor are sequentially sleeved on the outer wall of a pipe bus, and the supporting part is arranged at the pipe orifice of the pipe bus; the supporting part is fixedly connected with a wiring board of the smoothing reactor through the combined supporting frame, and the current-carrying conductor is electrically connected with the wiring board of the smoothing reactor through a connecting wire.
Compared with the prior art, the utility model provides a female link fitting of pipe has following beneficial effect:
in the pipe bus connecting hardware fitting provided by the utility model, the supporting part is arranged at the pipe port of the pipe bus and is fixedly connected with the wiring board of the smoothing reactor through the combined supporting frame, so that the pipe bus is fixedly connected with the wiring board of the smoothing reactor; and the current-carrying conductor is sleeved on the outer wall of the tubular bus and is electrically connected with the wiring board of the smoothing reactor through a connecting wire, so that the tubular bus is electrically connected with the wiring board of the smoothing reactor. Because the utility model provides a female link fitting of pipe has adopted two kinds of connections that are parallel, one of them is the fixed connection who is formed by supporting part and combination support frame, another kind is the electrically conductive connection that is formed by current-carrying conductor and connecting wire, utilize supporting part and combination support frame among the fixed connection like this, bear the connection pulling force between the wiring board that comes from female and flat wave reactor of pipe, make connecting wire in the electrically conductive connection need not to bear great connection pulling force, can prevent to appear the situation that electrically conductive connection became invalid between the wiring board of female and flat wave reactor of pipe, guarantee to stabilize effectual current transmission between the wiring board of female and flat wave reactor of pipe, thereby guarantee the safe operation of direct current transmission engineering. In addition, the connection pulling force between the tubular bus and the wiring board of the smoothing reactor is dispersedly borne by the supporting part and the combined supporting frame in the fixed connection, so that the mechanical strength and the anti-seismic performance of the tubular bus connection fitting are enhanced, and the connection stability of the tubular bus connection fitting is improved.
In addition, because the pipe bus is fixedly connected with the wiring board of the smoothing reactor through the supporting part and the combined supporting frame, the distance from the pipe orifice of the pipe bus to the wiring board of the smoothing reactor is fixed, the distance from the current-carrying conductor to the pipe orifice of the pipe bus can also be fixed, the wiring length of the connecting wire can be accurately determined according to the distance from the current-carrying conductor to the pipe orifice of the pipe bus and the distance from the pipe orifice of the pipe bus to the wiring board of the smoothing reactor, the situation that the connecting wire is overlong is avoided, and under the auxiliary supporting of the supporting part and the combined supporting frame, the connecting wire can be ensured not to swing and deform due to the wind swing effect, the ground distance of the connecting wire is ensured to be kept stable, and the safety risk of the pipe bus connecting hardware during the connection of.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a pipe nut connecting fitting in the prior art;
fig. 2 is a schematic structural diagram of a tubular bus connecting fitting provided in the embodiment of the present invention;
fig. 3 is a first schematic connection diagram of a tubular bus bar connection fitting provided in an embodiment of the present invention;
fig. 4 is a second schematic connection diagram of the tubular bus bar connection fitting provided in the embodiment of the present invention;
fig. 5 is a schematic structural view of a combined supporting frame according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a shield ring according to an embodiment of the present invention.
Reference numerals:
10-tube mother, 11-tube mother supporting piece,
12-a pipe bus T-connection fitting, 13-a connection lead,
14-patch panel, 15-shield ring,
16-conductor spacer, 20-smoothing reactor,
30-a current-carrying conductor, 40-a support,
41-mother tube supporting seat, 42-mother tube pressing cover,
50-a combined supporting frame, 51-a first supporting frame,
52-a second support frame, 53-a pin shaft,
54-a limit bolt, 55-a shock-absorbing washer,
150-a fixing sleeve, 151-a support rib,
152-shield ring body.
Detailed Description
For convenience of understanding, the tubular female connection fitting provided by the embodiment of the present invention is described in detail below with reference to the drawings of the specification.
Referring to fig. 2 to 4, a pipe bus connection fitting provided in an embodiment of the present invention includes a shielding ring 15 and a current-carrying conductor 30 sequentially sleeved on an outer wall of a pipe bus 10, and a supporting portion 40 disposed at an orifice of the pipe bus 10; the support portion 40 is fixedly connected to the terminal plate 14 of the smoothing reactor 20 via the composite support frame 50, and the current-carrying conductor 30 is electrically connected to the terminal plate 14 of the smoothing reactor 20 via the connecting wire 13.
In the tubular bus bar connection fitting provided in the above embodiment, the terminal plate 14 of the smoothing reactor 20 may be provided integrally with the case of the smoothing reactor 20, or may be provided in a separate structure, that is, the terminal plate 14 may be provided separately, and the terminal plate 14 may be mounted in the smoothing reactor 20 by a fastener. When the terminal plate 14 of the smoothing reactor 20 is independently provided, the terminal plate 14 may be a sheet metal member provided with a plurality of mounting holes; at this time, the tubular bus bar connection fitting provided in the present embodiment may be preassembled in an assembly plant, that is, the combined support frames 50 are respectively fixedly mounted on the terminal board 14 and the support portion 40, and the connecting wires 13 are respectively fixedly mounted on the terminal board 14 and the current-carrying conductor 30; then, in a direct current field of the converter station, the shielding ring 15 and the current-carrying conductor 30 are sequentially sleeved on the outer wall of the tubular bus 10, the supporting part 40 is installed at the pipe orifice of the tubular bus 10, and the wiring board 14 is fixedly installed in the smoothing reactor 20, so that the connection of the tubular bus connecting hardware to the tubular bus 10 and the smoothing reactor 20 can be completed. It can be seen that the female link fitting of pipe that this embodiment provided compact structure, occupation space is less, can assemble in the equipment factory in advance, then directly installs the use at the job site to make things convenient for constructor at the site operation, also can effectively improve its efficiency of construction operation.
The pipe bus connecting fitting provided by the embodiment of the utility model has the advantages that the supporting part 40 is arranged at the pipe orifice of the pipe bus 10, and the supporting part 40 is fixedly connected with the wiring board 14 of the smoothing reactor 20 through the combined supporting frame 50, so that the pipe bus 10 is fixedly connected with the wiring board 14 of the smoothing reactor 20; and the current-carrying conductor 30 is sleeved on the outer wall of the tubular bus 10, and the current-carrying conductor 30 is electrically connected with the wiring board 14 of the smoothing reactor 20 through the connecting wire 13, so that the tubular bus 10 is electrically connected with the wiring board 14 of the smoothing reactor 20. The tubular bus connecting fitting adopts two parallel connections, wherein one is a fixed connection formed by the supporting part 40 and the combined supporting frame 50, and the other is a conductive connection formed by the current-carrying conductor 30 and the connecting lead 13, so that the tubular bus connecting fitting has the functions of supporting and carrying current at the same time, and the supporting part 40 and the combined supporting frame 50 in the fixed connection are utilized to bear the connection pulling force between the tubular bus 10 and the wiring board 14 of the smoothing reactor 20, so that the connecting lead 13 in the conductive connection does not need to bear large connection pulling force, the situation that the conductive connection between the tubular bus 10 and the wiring board 14 of the smoothing reactor 20 is failed can be prevented, stable and effective current transmission can be carried out between the tubular bus 10 and the wiring board 14 of the smoothing reactor 20, and the safe operation of a direct-current transmission project is ensured.
Moreover, due to the connection tension between the tubular bus 10 and the terminal board 14 of the smoothing reactor 20, the support part 40 and the combined support frame 50 in the fixed connection are mainly dispersed and borne, which contributes to enhancing the mechanical strength and the anti-seismic performance of the tubular bus connection fitting, thereby improving the connection stability of the tubular bus connection fitting.
In addition, because the tube bus 10 is fixedly connected with the terminal board 14 of the smoothing reactor 20 through the supporting part 40 and the combined supporting frame 50, the distance from the pipe orifice of the tube bus 10 to the terminal board 14 of the smoothing reactor 20 is fixed, and the distance from the current-carrying conductor 30 to the pipe orifice of the tube bus 10 is also fixed, so that the wiring length of the connecting wire 13 can be accurately determined according to the distance from the current-carrying conductor 30 to the pipe orifice of the tube bus 10 and the distance from the pipe orifice of the tube bus 10 to the terminal board 14 of the smoothing reactor 20, the situation that the connecting wire 13 is too long is avoided, and under the auxiliary support of the supporting part 40 and the combined supporting frame 50, the connecting wire 13 can be ensured not to swing and deform due to the wind swing action, so that the distance to the ground of the connecting wire 13 is ensured to be stable, and the safety risk of the tube bus connecting.
It should be noted that the supporting portion 40 is used for supporting the fixed pipe 10 and the combined supporting frame 50, and the structure thereof may have various implementation forms. In the present embodiment, please refer to fig. 2, the supporting portion 40 adopts a split structure formed by buckling a nut supporting seat 41 and a nut pressing cover 42, so as to facilitate the installation and fixation of the supporting portion 40 at the pipe orifice of the nut 10.
Illustratively, the nut support seat 41 comprises a base plate disposed parallel to the cross-section of the nozzle of the nut 40, and a semi-annular side wall disposed on the surface of the base plate facing the nozzle of the nut 10; and the tubular female gland 42 adopts a semi-annular gland; wherein,
the base plate is of a circular plate structure, the outer diameter of the base plate is slightly larger than that of the pipe orifice of the pipe nut 10, and the base plate can seal and block the pipe orifice of the pipe nut 10;
the inner wall of the semi-annular side wall and the inner wall of the semi-annular gland are respectively attached to the outer wall of the pipe orifice of the pipe nut 10, and the semi-annular gland and the semi-annular side wall are installed at the pipe orifice of the pipe nut 10 in a buckling mode through bolt fasteners; and the combination support bracket 50 is arranged on the surface of the base plate, which faces away from the pipe orifice of the pipe nut 10.
Female link fitting of pipe that this embodiment provided, the inner wall with the semi-annular lateral wall and the inner wall of semi-annular gland respectively with the orificial outer wall laminating of female 10 of pipes, the orificial area of contact of supporting part 40 and the female 10 of pipes has been increased, install after the female 10 of pipes mouth of pipe with semi-annular gland and semi-annular lateral wall butt joint when using bolt fastener, can increase the static frictional force between the female 10 of pipes mouth of pipe of supporting part 40 and pipe, ensure that the supporting part 40 is firmly connected with the female 10 of pipes mouth of pipe, thereby strengthen female link fitting's of pipe mechanical strength.
In order to improve the stress state of the support portion 10 and the combined support frame 50 in the pipe bus connector, please refer to fig. 2 and fig. 5, in the above embodiment, the combined support frame 50 includes a first support frame 51 and a second support frame 52, wherein the first support frame 51 is fixedly connected with the surface of the pipe bus support base 41, which is opposite to the pipe orifice of the pipe bus 10, the second support frame 52 is fixedly connected with the terminal board 14 of the smoothing reactor, and the first support frame 51 is hinged to the second support frame 52. The combined support frame 50 is formed by hinging a first support frame 51 and a second support frame 52, the first support frame 51 is fixedly connected with the tubular bus 10, the second support frame 52 is fixedly connected with a wiring board 14 of the smoothing reactor 20, namely, the tubular bus 10 can swing relative to the wiring board 14 of the smoothing reactor 20, and installation errors between the tubular bus 10 and the smoothing reactor 20 are properly adjusted, so that the action of bending moment borne by the combined support frame 50 due to the installation errors is reduced, the stress states of the support part 10 and the combined support frame 50 in the tubular bus connection fitting are improved, the safety coefficient of the tubular bus connection fitting is favorably improved, and the service life of the tubular bus connection fitting is prolonged.
It should be added that, by the first support frame 51 and the second support frame 52 being hinged, the range of adjusting the installation error between the tube mother 10 and the smoothing reactor 20 is limited, and in order to increase the adjustment range of the installation error between the tube mother 10 and the smoothing reactor 20, on the basis of the above-mentioned embodiment, the second supporting frame 52 can slide relative to the first supporting frame 51, so that the second supporting frame 52 can rotate relative to the first supporting frame 51, the installation error in the vertical direction between the tube mother 10 and the smoothing reactor 20 is adjusted, and by the sliding of the second support frame 52 relative to the first support frame 51, the installation error in the horizontal direction between the tube bus 10 and the smoothing reactor 20 is adjusted, so that the adjustment range of the installation error between the tube bus 10 and the smoothing reactor 20 is enlarged, the safety coefficient of the tube bus connecting fitting is further improved, and the service life of the tube bus connecting fitting is prolonged.
Various implementations are possible based on the second support frame 52 being hinged to the first support frame 51, so that the second support frame 52 can slide relative to the first support frame 51. This example shows a specific implementation as shown in fig. 5. Referring to fig. 5, on the basis of the above embodiment, the first support frame 51 is provided with a pin shaft mounting hole, a pin shaft 53 is disposed in the pin shaft mounting hole, the pin shaft 53 passes through the second support frame 52, the second support frame 52 can slide along the axial direction of the pin shaft 53, and the pin shaft 53 is inserted with a limit pin 54 for limiting the limit sliding stroke of the second support frame 52.
In specific implementation, the pin 53 may be fixedly installed in the pin installation hole, or may be pivotally installed in the pin installation hole. The pin shaft 53 penetrates through the second support frame 52, that is, the second support frame 52 is provided with a transition hole, and the pin shaft 53 penetrates through the transition hole and is in clearance fit with the transition hole, so that the second support frame 52 can rotate around the pin shaft 53 and can also slide along the axial direction relative to the pin shaft 53; in order to prevent the second support frame 52 from slipping off the pin 53 and ensure that the sliding of the second support frame 52 relative to the pin 53 is within a controllable range, the pin 53 is inserted with a limit pin 54, so that the limit sliding stroke of the second support frame 52 can be limited. The limit sliding stroke refers to a maximum displacement of the second support 52 that can slide along the pin 53, that is, a maximum adjustable error that can adjust a horizontal installation error between the pipe nut 10 and the smoothing reactor 20 by sliding the second support 52 relative to the first support 51.
For example, referring to fig. 5, in the above embodiment, the first supporting frame 51 includes a first fixed base plate fixedly connected to the surface of the tubular mother supporting seat 41 facing away from the nozzle of the tubular mother 10, and two cantilever brackets symmetrically disposed on both sides of the center line of the first fixed base plate, the two cantilever brackets are disposed on the surface of the first fixed base plate facing away from the tubular mother supporting seat 41, and the overhanging ends of the two cantilever brackets are respectively provided with pin shaft mounting holes. The second support frame 52 comprises a second fixed substrate fixedly connected with the terminal plate 14 of the smoothing reactor, and two cantilever supports symmetrically arranged on two sides of the center line of the second fixed substrate, the two cantilever supports are arranged on the surface of the second fixed substrate, which faces away from the terminal plate 14, and the overhanging ends of the two cantilever supports are respectively provided with a transition hole. The distance between two cantilever supports in the first support frame 51 is greater than the distance between two cantilever supports in the second support frame 52, the two cantilever supports in the second support frame 52 are positioned between the two cantilever supports in the first support frame 51, two pin shaft mounting holes in the first support frame 51 and two transition holes in the second support frame 52 are arranged along the same axis, and two ends of a pin shaft 53 respectively penetrate through the corresponding transition holes in the second support frame 52 and are mounted in the corresponding pin shaft mounting holes in the first support frame 51; the insertion position of the limit bolt 54 on the pin 53 is located between the two cantilever supports in the second support frame 52.
In this embodiment, the first support frame 51 and the second support frame 52 both adopt a symmetric structure, and the two ends of the pin 53 are respectively installed in the pin installation holes of the two cantilever supports in the first support frame 51, which is beneficial to improving the connection stability of the first support frame 51 and the second support frame 52 and enhancing the mechanical strength of the combined support frame.
In addition, if the protruding length of the two outriggers in the first support frame 51 or the protruding length of the two outriggers in the second support frame 52 is long, a reinforcing rib or a reinforcing plate may be provided between the two outriggers to further enhance the mechanical strength of the combined support frame.
In order to improve the anti-seismic performance of the tubular bus connecting hardware under the action of wind swing, please continue to refer to fig. 5, in the above embodiment, a damping washer 55 is disposed between the pin 53 and the pin mounting hole. The cushion ring 55 is preferably made of a teflon material having an electrical insulation property and an excellent aging resistance, and the cushion ring 55 may have a stepped ring structure, a small ring portion of the cushion ring 55 is located in the pin shaft mounting hole, a large ring portion of the cushion ring 55 is located between the first support frame 51 and the second support frame 52, and the pin shaft 53 is mounted in the ring hole of the cushion ring 55. Under the action of wind swing, when the second support frame 52 and the pin shaft 53 move relatively, the damping washer 55 can absorb and eliminate partial acting force transmitted from the pin shaft 53 to the first support frame 51 and partial impact force of the second support frame 52 to the first support frame 51, so that the anti-seismic performance of the tubular bus connector under the action of the wind swing is improved.
It should be understood that, with continued reference to fig. 3 and fig. 4, the current-carrying conductor 30 is electrically connected to the tube mother 10, and depending on the surface contact between the current-carrying conductor 30 and the tube mother 10, in order to ensure stable and effective current transmission of the current-carrying conductor 30, in the above embodiment, the current-carrying conductor 30 is a ring-shaped metal conductor, and the metal material of the current-carrying conductor is a conductive metal, such as copper or aluminum; this annular metallic conductor specifically comprises two semi-annular metallic conductor components of a whole that can function independently, can make things convenient for constructor operation installation, and two semi-annular metallic conductors pass through the bolt fastener and install at the female 10 outer walls of pipe in the lock, utilizes the fastening force of bolt fastener, can ensure that current-carrying conductor 30 and the female 10 outer walls of pipe closely laminate, realizes that the electric current from the female 10 of pipe to current-carrying conductor 30 stabilizes effectual transmission. Each semi-annular metal conductor is electrically connected with the terminal plate 14 of the smoothing reactor 20 through a corresponding connecting wire 13, and the current transmitted by the tube bus 10 can be shunted and transmitted to the terminal plate 14 of the smoothing reactor 20 by the conductive connecting line formed by the current-carrying conductor 30 and the connecting wire 13.
It should be added that, for the connecting wires 13 correspondingly connected to each semi-annular metal conductor, the number of the connecting wires is not particularly limited in this embodiment, and can be set by a person skilled in the art according to the voltage level of the current transmitted by the tube mother 10, the magnitude of the current, and the current requirement of the smoothing reactor 20.
It should be noted that, with reference to fig. 2 and fig. 6, in the above embodiment, the shielding ring 15 includes a fixing sleeve 150 that is sleeved on the outer wall of the pipe nut 10, and a shielding ring body 152 that is fixedly connected to the fixing sleeve 150 through a supporting rib 151. The shielding ring 15 is arranged on the outer wall of the pipe nut 10 in the embodiment, the shielding ring 15 can be used for controlling the surface field intensity of the current-carrying body 30 and the connecting wire 13 in the conductive connection, the corona starting voltage of a conductive connection circuit formed by the current-carrying body 30 and the connecting wire 13 is increased, the corona resistance and the radio interference resistance of the conductive connection circuit are improved, and the noise is reduced.
Illustratively, the securing sleeve 150 is a snap-fit hoop secured using a bolt fastener. The shield ring body 152 is fixed on the fixing sleeve 150 by using the supporting ribs 151, the number and the arrangement position of the supporting ribs 151 can be set by those skilled in the art, and in this embodiment, an even number of supporting ribs 151 are arranged on the periphery of the fixing sleeve 150 in an indexing manner.
In order to facilitate installation and maintenance of the shielding ring 15, the shielding ring body 152 adopts a split ring structure, that is, a notch is arranged on the annular structure of the shielding ring body 152, and the notch is utilized to fasten the fixed sleeve 150 in the shielding ring 15 on the outer wall of the tubular bus 10, so that sufficient installation and maintenance space is reserved, and construction work of constructors is facilitated. It can be understood that the position of the gap should correspond to the position of the bolt fastening hole in the fixing sleeve 150, and the size of the gap should be set according to the actual requirement of the installation and maintenance of the fixing sleeve 150.
It should be noted that with continued reference to fig. 2 and 3, in the above-described embodiment, the connecting wires 13 may be welded to the current carrying conductor 30, and/or the connecting wires 13 may be welded to the terminal plate 14 of the smoothing reactor 20; in other words, the connecting wire 13 may be fixed by welding one end and detachably connecting the other end, or may be fixed by welding both ends. The connecting wires 13 are fixed on the current-carrying conductor 30 and/or the terminal board 14 of the smoothing reactor 20 in a welding mode, so that the connection stability of the connecting wires 13 can be enhanced, the connecting wires 13 have stable current-carrying performance, and the situation that the connecting wires 13 carry current and generate heat is not easy to occur, and stable and effective current transmission can be carried out between the bus 10 and the terminal board 14 of the smoothing reactor 20.
Illustratively, in the present embodiment, one end of the connecting wire 13 is welded to the current-carrying conductor 30, and the other end is welded to the terminal plate 14 of the smoothing reactor 20. In specific implementation, welding holes are preset in the wiring boards 14 of the current-carrying conductor 30 and the smoothing reactor 20, and both ends of the connecting wire 13 are welded to the corresponding welding holes.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A pipe bus connecting hardware fitting is characterized by comprising a shielding ring, a current-carrying conductor and a supporting part, wherein the shielding ring and the current-carrying conductor are sequentially sleeved on the outer wall of a pipe bus, and the supporting part is arranged at the pipe orifice of the pipe bus; wherein,
the supporting part is fixedly connected with a wiring board of the smoothing reactor through a combined supporting frame, and the current-carrying conductor is electrically connected with the wiring board of the smoothing reactor through a connecting wire.
2. The tube bus connecting fitting of claim 1, wherein the support portion comprises a tube bus support seat and a tube bus gland; the pipe bus supporting seat comprises a base plate arranged in parallel with the cross section of the pipe bus pipe orifice and a semi-annular side wall arranged on the surface, facing the pipe bus pipe orifice, of the base plate; the tube nut gland is a semi-annular gland; wherein,
the inner wall of the semi-annular side wall and the inner wall of the semi-annular gland are respectively attached to the outer wall of the pipe orifice of the pipe bus, and the semi-annular gland and the semi-annular side wall are installed at the pipe orifice of the pipe bus in a buckling mode through bolt fasteners;
the combined support frame is arranged on the surface of the base plate, which is back to the pipe main pipe orifice.
3. The tubular busbar connecting fitting according to claim 2, wherein the combined support frame comprises a first support frame and a second support frame; wherein,
the first support frame is fixedly connected with the surface of the pipe mother support seat, which faces away from the pipe mother pipe orifice, the second support frame is fixedly connected with a wiring board of the smoothing reactor, and the first support frame is hinged with the second support frame.
4. The tubular bus connecting fitting of claim 3, wherein the first support frame is provided with a pin shaft mounting hole, and a pin shaft is arranged in the pin shaft mounting hole;
the pin shaft penetrates through the second support frame, the second support frame can slide along the axial direction of the pin shaft, and a limiting bolt for limiting the limit sliding stroke of the second support frame is inserted into the pin shaft.
5. The tubular bus connecting fitting of claim 4, wherein a shock-absorbing washer is arranged between the pin shaft and the pin shaft mounting hole.
6. The tubular busbar connecting fitting according to claim 1, wherein the current-carrying conductor is an annular metal conductor; the annular metal conductor is formed by two semi-annular metal conductor split bodies, and the two semi-annular metal conductors are installed on the outer wall of the pipe nut in a buckling mode through bolt fasteners;
each semi-annular metal conductor is electrically connected with a wiring board of the smoothing reactor through a corresponding connecting lead.
7. The tubular busbar connecting fitting according to claim 1, wherein the shielding ring comprises a fixing sleeve sleeved on the outer wall of the tubular busbar, and a shielding ring body fixedly connected with the fixing sleeve through a supporting rib; the shielding ring body is of an open ring structure.
8. The tubular bus bar connection fitting of claim 1, wherein the connection lead is welded to the current carrying conductor; and/or the connecting lead is welded with a wiring board of the smoothing reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023393.3U CN207053142U (en) | 2017-08-15 | 2017-08-15 | Female link fitting of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023393.3U CN207053142U (en) | 2017-08-15 | 2017-08-15 | Female link fitting of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053142U true CN207053142U (en) | 2018-02-27 |
Family
ID=61502700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721023393.3U Active CN207053142U (en) | 2017-08-15 | 2017-08-15 | Female link fitting of pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359573A (en) * | 2017-08-15 | 2017-11-17 | 南方电网科学研究院有限责任公司 | Female link fitting of pipe |
| CN110534986A (en) * | 2019-07-18 | 2019-12-03 | 国家电网有限公司 | A kind of connection gold utensil component and soft connection component |
-
2017
- 2017-08-15 CN CN201721023393.3U patent/CN207053142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359573A (en) * | 2017-08-15 | 2017-11-17 | 南方电网科学研究院有限责任公司 | Female link fitting of pipe |
| CN110534986A (en) * | 2019-07-18 | 2019-12-03 | 国家电网有限公司 | A kind of connection gold utensil component and soft connection component |
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