CN203617521U - Electric power high voltage connecting wire switching system - Google Patents

Abstract

The utility model discloses an electric high-voltage connecting line switching system, which comprises 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 On the same horizontal plane as the upper end of the second vertical section, 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, between the first vertical section and the second vertical section The first insulating support rod, the second insulating supporting rod and the third insulating supporting rod are arranged between the second vertical sections, and the same metal fixing plate is fixed on the upper end of each insulating supporting rod, and the three fixing plates The other end of each is respectively connected with the first high-voltage insulating plate, the second high-voltage insulating plate and the third high-voltage insulating plate. The beneficial effect of the utility model 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 utility model 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.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides an electric high-voltage connecting line switching 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 the first 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 first vertical section and the second vertical section, and the same metal fixing plate is fixed on the upper end of each insulating supporting rod, The other ends of the three fixed plates 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 integral body and a metal socket.

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 utility model 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 cabin 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 the utility model device;

Fig. 2 is the side view of the utility model device;

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 utility model.

Detailed ways

A detailed representative embodiment of the present invention will be described below with reference to accompanying drawings 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, the three fixed disks are sequentially sleeved on the central shaft 106, and the other ends of the three fixed disks 113 are respectively connected with the first high-voltage insulation plate 1011, the second high-voltage insulation plate 1012 and the third high-voltage insulation plate 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 integral body 131 and a metal socket 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. Because the high-voltage transfer metal terminal is located in the high-voltage insulation compartment surrounded by the large-caliber insulating cylinder 103 and the second high-voltage insulating plate 1012 and the third high-voltage insulating plate 1013, it can ensure that the high-voltage transfer is 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. An electric high-voltage connection line switching system, which includes a metal bracket, which includes a horizontal section and a first vertical section and a second vertical section at both ends of the horizontal section, the first vertical section and the second vertical section. The upper ends of the 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 rod, the second insulating supporting rod and the third insulating supporting rod are arranged between the straight sections, and the same metal fixing plate is fixed on the upper end of each insulating supporting rod, and the other ends of the three fixing plates The first high-voltage insulating board, the second high-voltage insulating board and the third high-voltage insulating board are respectively connected. 2. A power high-voltage connection line transfer system according to claim 1, characterized in that: a small-diameter high-voltage insulating cylinder is provided between the first insulating support rod and the second insulating support rod, and the second insulating support rod A large-diameter high-voltage insulating cylinder is arranged between the rod and the third insulating support rod. The power high-voltage connection 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. 3. A power high-voltage connecting line transfer system according to claim 2, characterized in that two bearings are respectively fixed by two bearing clips at the upper ends of the first vertical section and the second vertical section, It is connected with the central shaft through bearings in rotation, and one end of the central shaft protrudes out of the metal bracket, and the three fixed disks are all sequentially sleeved on the central shaft. 4. A power high-voltage connecting line transfer system according to claim 3, wherein one end of the small-diameter 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 first high-voltage insulating plate. The second insulating support rod is connected with the second high-voltage insulating plate, one end of the large-caliber high-voltage insulating cylinder is connected with the second insulating supporting rod and the second high-voltage insulating plate, and the other end is connected with the third insulating supporting rod and the third high-voltage insulating plate The high-voltage insulation cabin formed by the large-diameter insulation cylinder surrounded by the second high-voltage insulation board and the third high-voltage insulation board. 5. A power high-voltage connecting line transfer system according to claim 4, wherein the central axis is located inside the small-diameter high-voltage insulating cylinder and the large-diameter high-voltage insulating cylinder. 6. A power high-voltage connection line transfer system according to any one of claims 2-5, characterized in that the high-voltage insulation transfer plug includes a T-shaped hollow integral body and a metal socket. 7. A power high-voltage connection line transfer system according to claim 6, characterized in that: 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 T-shaped hollow one-piece body and metal socket, the outer circumference of the upper end of the T-shaped hollow one-piece body is external thread, the metal socket is made of copper material, one end of which is hollow, embedded in the T-shaped hollow one-piece body The bottom end of the high-voltage insulated adapter plug is used for insertion and connection with the metal post of the high-voltage insulated adapter plug, and the other end is exposed for connection with the core of the high-voltage extension cord. A plurality of installation and fixing holes are arranged along the circumference on the upper side, and the installation and fixing holes are used to fix the high-voltage insulation adapter socket on the upper cylinder wall of the large-diameter high-voltage insulation cylinder. 8. A power high-voltage connection line transfer system according to claim 7, characterized in that: an external plug hole and an external plug metal rod insertion hole are provided inside the T-shaped hollow integrated body, wherein the external plug hole The aperture is larger than the metal rod insertion hole of the external plug. 9. A power high-voltage connection line transfer system according to claim 8, characterized in that: a handle is connected to one end of the central shaft, and when the handle is turned to rotate the central shaft, the high-voltage extension cord can be wound around a small The other end of the high-voltage extension line is welded with suitable test clamps on the high-voltage insulation cylinder with aperture.

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