CN103730801B - Turning-connection system of electric power high voltage connecting wire - Google Patents

Abstract

The invention relates to an electric high-voltage connecting line switching system, which includes a metal bracket, the metal bracket includes a horizontal section and a first vertical section and a second vertical section respectively located at two ends of the horizontal section, the first vertical section and the second vertical section The upper ends of the two vertical sections are on the same horizontal plane, and a central axis is arranged above the metal support, which is fixed by being mounted on the upper ends of the first vertical section and the second vertical section. The first insulating support bar, the second insulating support bar and the third insulating support bar are arranged between the vertical sections, and the same metal fixed plate is fixed on the upper end of each insulating support bar, and the other of the three fixed plates One end is respectively connected with a first high-voltage insulating plate, a second high-voltage insulating plate and a third high-voltage insulating plate. The beneficial effect of the present invention is that the high-voltage extension cord is not easy to be worn and broken, and the service life of the high-voltage extension cord is increased.

Description

An electric high-voltage connection line switching system

technical field

The invention is suitable for the field of high voltage, especially for the field of test and detection of high voltage electrical equipment.

Background technique

At present, high-voltage extension lines are used to connect the high-voltage output end of the high-voltage test or detection system equipment with the test load to be tested or tested when the fault detection and test of the power system are involved. The commonly used high-voltage extension lines are welded with test clamps at both ends. During the test, the test clamps are used to clamp the output end of the high-voltage system and the test load. The high-voltage extension cord has strong high-voltage resistance characteristics and is soft and easy to use, but the disadvantage is that it is heavy, and the insulation layer is easy to break when it is hard-bent. When it is repeatedly used, it is easy to damage the insulation layer of the high-voltage extension cord and make its withstand voltage value It is scrapped if it fails to reach the specified withstand voltage level.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides an electric high-voltage connection line transfer system, which includes a metal bracket, which includes a horizontal section and a first vertical section and a second vertical section respectively located at both ends of the horizontal section. The upper ends of a vertical section and the second vertical section are on the same horizontal plane, and a central axis is arranged above the metal support, which is fixed by being mounted on the upper ends of the first vertical section and the second vertical section. A first insulating support rod, a second insulating supporting rod and a third insulating supporting rod are arranged between the vertical section and the second vertical section, and the same metal fixing plate is fixed on the upper end of each insulating supporting rod, which The other ends of the three fixed disks are respectively connected with a first high-voltage insulating plate, a second high-voltage insulating plate and a third high-voltage insulating plate.

Preferably, a small-diameter high-voltage insulation cylinder is provided between the first insulation support rod and the second insulation support rod, and a large-diameter high-voltage insulation cylinder is provided between the second insulation support rod and the third insulation support rod. The connecting line transfer system also includes a high-voltage insulating transfer socket and a high-voltage insulating transfer plug for mating with the high-voltage insulating transfer socket.

Preferably, the upper ends of the first vertical section and the second vertical section are respectively fixed with two bearings by two bearing clips, and are rotatably connected with the central shaft through the bearings, and one end of the central shaft protrudes out of the metal bracket, which The three fixed discs are sequentially sleeved on the central shaft.

Preferably, one end of the small-caliber high-voltage insulating cylinder is connected to the first insulating support rod and the first high-voltage insulating plate, and the other end is connected to the second insulating supporting rod and the second high-voltage insulating plate. One end is connected with the second insulating support rod and the second high-voltage insulating plate, the other end is connected with the third insulating supporting rod and the third high-voltage insulating plate, and the large-diameter insulating cylinder is surrounded by the second high-voltage insulating plate and the third high-voltage insulating plate Formed high voltage insulation cabin.

Preferably, the central axis is located inside the small-diameter high-voltage insulating cylinder and inside the large-diameter high-voltage insulating cylinder.

Preferably, the high-voltage insulating adapter plug includes a T-shaped hollow one-piece body and a metal post.

Preferably, the high-voltage insulation adapter socket is fixed on the upper wall of the large-diameter high-voltage insulation cylinder, and the high-voltage insulation adapter socket includes a T-shaped hollow integrated body and a metal socket. The T-shaped hollow integrated body The outer circumference of the upper end is an external thread, and the metal socket is processed by copper material. One end is hollow and embedded in the bottom end of the T-shaped hollow one-piece body, which is used to insert and connect with the metal socket of the high-voltage insulating adapter plug. The other end is exposed and used to connect with the core of the high-voltage extension cord. The upper surface of the high-voltage insulated adapter socket is circular, and a plurality of installation and fixing holes are arranged along the circumference on it. The installation and fixing holes are used to connect the high-voltage The insulating transfer socket is fixed on the upper cylinder wall of the large-diameter high-voltage insulating cylinder.

Preferably, an external plug hole and an external plug metal rod insertion hole are provided inside the T-shaped hollow one-piece body, wherein the diameter of the external plug hole is larger than the external plug metal rod insertion hole.

Preferably, a handle is connected to one end of the central shaft. When the handle is turned to rotate the central shaft, the high-voltage extension wire can be wound on the small-diameter high-voltage insulating cylinder, and the other end of the high-voltage extension wire is welded with suitable test clamps.

Preferably, during installation, the three fixed disks are respectively connected and fixed to the first high-voltage insulating plate, the second high-voltage insulating plate and the third high-voltage insulating plate, and the first insulating support rod and the second insulating support rod are fixed in the metal bracket. Insulation support rod, firstly fix the first high-voltage insulation plate on the first insulation support rod, and sleeve the small-diameter high-voltage insulation tube on the inner side of the first insulation support rod and the first insulation support rod, and then install the second high-voltage insulation plate Installed on the second insulating support rod, the size of the small-diameter high-voltage insulating cylinder is determined according to the length of the high-voltage extension line required, and then the large-diameter high-voltage insulating cylinder that has been installed with a high-voltage insulation adapter socket is sleeved on the second insulating support Rod and the other side of the second insulating support rod, at this time, pass one end of the high-voltage extension cord used for the test through the hole on the second high-voltage insulating plate, and weld and fix the core of the high-voltage extension cord to the high-voltage insulating adapter socket On the metal socket at the bottom, it is closed with a high-voltage insulating sleeve, and then the third insulating support rod that fixes the third high-voltage insulating plate is fixed at the corresponding position inside the metal bracket, and the other side is insulated from the large-diameter high-voltage One end of the barrel is socketed.

The beneficial effects of the present invention are:

1) Make the high-voltage extension line not easy to wear and tear, and increase the service life of the high-voltage extension line;

2) The high-voltage extension line adopts two-stage transfer mode, which is suitable for various fields and occasions, and has strong practicability;

3) Design a high-voltage isolation compartment to make the high-voltage adapter plug have a higher pressure rating and make the transfer safer;

4) Different sizes of high-pressure isolation cabins can be made according to different pressure levels to improve the scope of application.

Description of drawings

Fig. 1 is the front view of device of the present invention;

Fig. 2 is the side view of device of the present invention;

Fig. 3 is a front view of a high-voltage insulating socket;

Fig. 4 is a top view of a high-voltage insulating socket;

Fig. 5 is a cross-sectional view of a high-voltage insulating plug;

Fig. 6 is a top view of the connecting ring of the high-voltage insulating plug;

Fig. 7 is a front view of the connecting ring of the high-voltage insulating plug;

Fig. 8 is a schematic diagram of the use of the embodiment of the present invention.

detailed description

A detailed representative embodiment of the present invention will be described below with reference to FIGS. 1-8.

As shown in Figures 1, 2 and 8, the present embodiment relates to a power high-voltage connection line transfer system, which includes a metal bracket 104, which includes a horizontal section 10 and first vertical sections at both ends of the horizontal section 10 11 and the second vertical section 12, wherein the horizontal section 10, the first vertical section 11 and the second vertical section 12 can be integrally formed, and the upper ends of the first vertical section 11 and the second vertical section 12 are on the same horizontal plane Above, a central axis 106 is arranged above the metal support 104. The central axis 106 is a hollow steel pipe, which is fixed by being mounted on the upper ends of the first vertical section 11 and the second vertical section 12. The upper ends of the straight section 11 and the second vertical section 12 are respectively fixed with two bearings 105 by two bearing clips 114, and are rotatably connected with the central shaft 106 through the bearings 105, and one end of the central shaft 106 stretches out of the metal bracket 104.

Between the first vertical section 11 and the second vertical section 12, a first insulating support rod 1081, a second insulating supporting rod 1082 and a third insulating supporting rod 1083 are arranged, and these three insulating supporting rods have the same length and are all vertical. Arranged vertically, wherein, the first insulating support bar 1081 is close to the first vertical section 11, the third insulating support bar 1083 is close to the second vertical section 12, and the same metal fixing plate is fixed on the upper end of each insulating support bar 113. In addition, these three fixed disks are sequentially sleeved on the central axis 106, and the other ends of the three fixed disks 113 are respectively connected with the first high-voltage insulation board 1011, the second high-voltage insulation board 1012 and the third high-voltage insulation board. 1013, a small-diameter high-voltage insulation cylinder 102 is provided between the first insulation support rod 1081 and the second insulation support rod 1082, wherein one end of the small-diameter high-voltage insulation cylinder 102 is insulated from the first insulation support rod 1081 and the first high-voltage insulation cylinder 102 The plate 1011 is connected, and the other end is connected with the second insulating support rod 1082 and the second high-voltage insulating plate 1012, wherein the central axis 106 is located inside the small-diameter high-voltage insulating cylinder 102; between the second insulating supporting rod 1082 and the third insulating A large-diameter high-voltage insulating cylinder 103 is provided between the support rods 1083, wherein one end of the large-diameter high-voltage insulating cylinder 103 is connected to the second insulating support rod 1082 and the second high-voltage insulating plate 1012, and the other end is connected to the third insulating support rod 1083 is connected to the third high-voltage insulating plate 1013 , wherein the central axis 106 is located inside the large-diameter high-voltage insulating cylinder 103 . In addition, both sides of the first high-voltage insulating plate 1011 and the third high-voltage insulating plate 1013 on the central axis 106 are provided with fixing clips 107 for position fixing. In addition, a threading hole 112 is provided on the second high-voltage insulating plate 1012 .

During installation, the three fixed disks 113 are respectively connected and fixed with the first high-voltage insulating plate 1011, the second high-voltage insulating plate 1012 and the third high-voltage insulating plate 1013, and the first insulating support rod 1081 is fixed in the metal bracket 104. , and the second insulating support rod 1082, first fix the first high-voltage insulating plate 1011 on the first insulating supporting rod 1081, and then socket the small-diameter high-voltage insulating cylinder 102 on the first insulating supporting rod 1081 and the first insulating supporting rod 1081 Then install the second high-voltage insulating plate 1012 on the second insulating support rod 1082. The size of the small-diameter high-voltage insulating cylinder 102 is determined according to the length of the high-voltage extension line 141 required, and then the high-voltage insulating adapter has been installed. The large-diameter high-voltage insulating cylinder 103 of the socket 110 is sleeved on the second insulating support rod 1082 and the other side of the second insulating supporting rod 1082. At this time, one end of the high-voltage extension line 141 used for the test is passed through the second high-voltage insulating plate 1012 Weld and fix the wire core of the high-voltage extension line 141 to the metal socket 122 at the bottom of the high-voltage insulating adapter socket 110, close it with a high-voltage insulating sleeve, and then fix the third high-voltage insulating plate 1013. The third insulating support rod 1083 is fixed at the corresponding position inside the metal bracket 104, and on the other side is sleeved with one end of the large-diameter high-voltage insulating cylinder 103, the large-diameter insulating cylinder 103 and the second high-voltage insulating plate 1012 and the third high-voltage insulating cylinder 1012 The high-voltage insulation cabin formed by the insulation board 1013

One end of the central shaft 106 is connected with a handle 111. When the handle 111 is turned to rotate the central shaft 106, the high-voltage extension wire 141 can be wound on the small-aperture high-voltage insulation cylinder 102, and the other end of the high-voltage extension wire 141 is welded to a suitable test Clamp 145.

The power high-voltage connecting line switching system in this embodiment also includes a high-voltage insulating switching socket 110 and a high-voltage insulating switching plug 143 for mating with the high-voltage insulating switching socket 110, wherein, as shown in Figures 5 and 6, The high-voltage insulating adapter plug 143 includes a T-shaped hollow one-piece body 131 and a metal plug post 132; Above, the high-voltage insulation adapter socket 110 includes a T-shaped hollow integrated body 121 and a metal socket 122. The T-shaped hollow integrated body 121 is processed by high-voltage insulating materials and is used to form the output interface of the adapter system. , the outer circumference of its upper end is an external thread 126, and an external plug hole 124 and an external plug metal rod insertion hole 125 are arranged inside the T-shaped hollow one-piece body 121, wherein the diameter of the external plug hole 124 is larger than the external plug metal rod insertion hole 125 The metal socket 122 is made of copper material, one end of which is hollow, embedded in the bottom end of the T-shaped hollow integrated body 121, and is used for inserting and connecting with the metal socket 132 of the high-voltage insulating adapter plug 143, and the other One end is exposed and is used to connect with the wire core of the high-voltage extension line 141. The upper surface of the high-voltage insulating adapter socket 110 is circular, and a plurality of installation and fixing holes 123 are arranged along the circumference on it. The installation and fixing holes 123 are used for Fix the high-voltage insulating adapter socket 110 on the upper wall of the large-diameter high-voltage insulating cylinder 103. Here, the size of the large-diameter high-voltage insulating cylinder 103 can be determined according to the voltage required by the application. The higher the voltage level, the larger the The size of the caliber high-voltage insulation cylinder 103 should be larger to increase the insulation distance.

A threading hole 134 is provided inside the high-voltage insulating adapter plug 143, which is used to penetrate the high-voltage adapter plug. The high-voltage insulating adapter plug 143 is connected with a connecting ring 146 and is connected with one end of the high-voltage adapter wire 144. The high-voltage adapter wire 144 The other end of the connecting ring 146 is connected with another high-voltage insulated adapter plug 143 or test clamp 145, wherein, as shown in Figures 6 and 7, the connecting ring 146 is made of insulating material and internally provided with internal threads 136, when in use, the connecting ring 146 is buckled on the top of the high-voltage insulating adapter plug 143, aligned with the head of the high-voltage insulating adapter socket 110 and rotated and tightened, thereby fixing the high-voltage insulating adapter plug 143 on the high-voltage insulating adapter socket 110 to prevent slipping.

When using the power high-voltage connection line conversion system involved in this embodiment, pull out the end of the high-voltage extension line 141 with the test clamp 142 to a suitable distance from the test load, and clamp the test clamp 142 on the connection terminal of the test load and then insert the high-voltage insulating adapter plug 143 at one end of the high-voltage adapter wire 144 into the high-voltage adapter socket 110. At this time, the metal socket post 132 at the head of the high-voltage insulating adapter plug 143 is inserted into the high-voltage insulating adapter socket 110. The metal rod of the external plug is inserted into the hole 125 to form a metal connection, and the connecting ring 146 is screwed on to fix it, and the other end of the high-voltage transfer wire 144 is connected to the high-voltage output end of the test system, thereby realizing the transfer function of the high-voltage output. Since the high-voltage transfer metal terminal is located in the high-voltage insulation compartment surrounded by the large-diameter insulating cylinder 103 and the second high-voltage insulating plate 1012 and the third high-voltage insulating plate 1013, the high-voltage transfer can be guaranteed to be safe and reliable.

A representative embodiment of the present invention has been described in detail with reference to the accompanying drawings. These detailed descriptions are only for those skilled in the art to further believe content for implementing preferred aspects of the present invention, and do not limit the scope of the present invention. Only the claims are used to determine the scope of the invention. Therefore, combinations of features and steps in the foregoing detailed description are not necessarily required to practice the invention in the broadest scope, and are instead taught only to specifically described representative embodiments of the invention. Furthermore, the various features taught in the specification may be combined in ways not specifically enumerated, in order to obtain additional useful embodiments of the invention.

Claims (9)

1. a kind of power high voltage connecting line adapting system, it includes metallic support, and the metallic support includes horizontal segment and difference The upper end of the first vertical section and the second vertical section in horizontal segment two ends, the first vertical section and the second vertical section is in same level On face, axis is disposed with above metallic support, axis is hollow steel tube, it passes through frame in the first vertical section and the second vertical section Upper end and fixed, the first insulating support rod, the second insulating support rod are provided between the first vertical section and the second vertical section With the 3rd insulating support rod, identical metal fixed disk is fixed with the upper end of each insulating support rod, these three are fixed The other end of disk is connected to the first High-Voltage Insulation plate, the second High-Voltage Insulation plate and the 3rd High-Voltage Insulation plate, the power high voltage Connecting line adapting system also includes High-Voltage Insulation multi-tap and turns for the High-Voltage Insulation with High-Voltage Insulation multi-tap to inserting Plug, the High-Voltage Insulation patchplug includes T-shaped hollow integrated main body and metal inserting column.

2. a kind of power high voltage connecting line adapting system according to claim 1, it is characterised in that：In the first insulating supporting Small-bore High-Voltage Insulation cylinder is provided between bar and the second insulating support rod, the second insulating support rod and the 3rd insulating support rod it Between be provided with heavy caliber high pressure insulating cylinder.

3. a kind of power high voltage connecting line adapting system according to claim 2, it is characterised in that：In the first vertical section and Two bearings are fixed in the upper end of the second vertical section by two bearing clips respectively, and are connected with middle shaft rotation by bearing, One end of axis is stretched out beyond metallic support, and these three fixed disks are socketed on axis successively.

4. a kind of power high voltage connecting line adapting system according to claim 3, it is characterised in that：The small-bore high pressure is exhausted One end of edge cylinder is connected with the first insulating support rod and the first High-Voltage Insulation plate, the other end and the second insulating support rod and second High-Voltage Insulation plate is connected, and one end of the heavy caliber high pressure insulating cylinder is connected with the second insulating support rod and the second High-Voltage Insulation plate Connect, the other end is connected with the 3rd insulating support rod and the 3rd High-Voltage Insulation plate, heavy caliber insulating cylinder and the second High-Voltage Insulation plate The High-Voltage Insulation cabin to be formed is surrounded with the 3rd High-Voltage Insulation plate.

5. a kind of power high voltage connecting line adapting system according to claim 4, it is characterised in that：Axis is located at the osculum Inside footpath High-Voltage Insulation cylinder inside and the heavy caliber high pressure insulating cylinder.

6. a kind of power high voltage connecting line adapting system according to claim 5, it is characterised in that：High-Voltage Insulation switching is inserted Seat fixation is located on the upper side tube-wall of heavy caliber high pressure insulating cylinder, and the High-Voltage Insulation multi-tap includes T-shaped hollow integrated master Body and metal plug socket, the upper end outer circumferential of the T-shaped hollow integrated main body of the High-Voltage Insulation multi-tap is external screw thread, metal Plug socket is processed by copper product, and its one end is hollow, is embedded in the bottom of T-shaped hollow integrated main body, for exhausted with high pressure The metal inserting column insertion connection of edge patchplug, its other end exposes, is connected for the core with high pressure extended line, and high pressure is exhausted The uper side surface of edge multi-tap is circle, and multiple installation fixing holes are circumferentially provided with thereon, and the installation fixing hole is used for High-Voltage Insulation multi-tap is fixed on the upper side tube-wall of heavy caliber high pressure insulating cylinder.

7. a kind of power high voltage connecting line adapting system according to claim 6, it is characterised in that：In High-Voltage Insulation switching The inside of the T-shaped hollow integrated main body of socket is provided with external plug hole and external plug metal bar patchhole, wherein outer patch The aperture of head bore is more than external plug metal bar patchhole.

8. a kind of power high voltage connecting line adapting system according to claim 7, it is characterised in that：Connect in one end of axis Handle is connected to, it is high when rotation handle so that constantly, can be wrapped in high pressure extended line on small-bore High-Voltage Insulation cylinder by middle shaft rotation Press the suitable experiment pincers of other end welding of extended line.

9. a kind of power high voltage connecting line adapting system according to claim 8, it is characterised in that：When mounted, first These three fixed disks are connected to a fixed with the first High-Voltage Insulation plate, the second High-Voltage Insulation plate and the 3rd High-Voltage Insulation plate respectively, The first insulating support rod and the second insulating support rod are fixed in metallic support, the first High-Voltage Insulation plate is first fixed on the first insulation On support bar, small-bore High-Voltage Insulation jacket casing is connected on the inner side of the first insulating support rod and the first insulating support rod, then will Second High-Voltage Insulation plate is arranged on the second insulating support rod, the high pressure extension as needed of the size of small-bore High-Voltage Insulation cylinder Line length and determine, being and then mounted with the heavy caliber high pressure insulating cylinder of High-Voltage Insulation multi-tap, to be socketed in second exhausted The opposite side of edge support bar and the second insulating support rod, it is at this moment that one end of the high pressure extended line of experiment is exhausted through the second high pressure Threading hole on listrium, is welded and fixed the core of high pressure extended line the metal plug socket of High-Voltage Insulation multi-tap bottom On, high-pressure insulating ring duct occlusion is used, the 3rd insulating support rod that then will secure the 3rd High-Voltage Insulation plate is fixed on metal branch Corresponding position inside frame, and be socketed in one end of opposite side and heavy caliber high pressure insulating cylinder.