CN205752622U - A switch cabinet busbar and a dual-purpose grounding wire at the end of the cable head - Google Patents

Abstract

The utility model relates to a switch cabinet busbar and a dual-purpose grounding wire at the end of a cable head. The utility model relates to a 10kV equipment protection ground wire in a power system. The purpose of the utility model is to solve the problems of poor contact and unreliable connection of the current ground wire. The product book includes a fixed part, a moving part, a moving bolt, a moving screw, a grounding wire hanging point, an insulating rod and an anti-skid insulating handle; Folding integrated part; the moving part is an integral part composed of the front end of the moving part and the rear end of the moving part. The utility model is light in weight, high in mechanical strength, fast in connection with other devices, good in contact and reliable in connection. The versatility of the switch cabinet busbar and dual-purpose grounding wire at the end of the cable head of the utility model is also a highlight, which not only improves the work efficiency of the operation and maintenance personnel, but also ensures the work safety of the maintenance personnel.

Description

A switch cabinet busbar and a dual-purpose grounding wire at the end of the cable head

technical field

The utility model relates to a 10kV equipment protection ground wire in a power system.

Background technique

The grounding system of power generation and substations is an important measure to ensure the safety of equipment and personnel, and to maintain the reliable operation of the power system. According to data, there are many examples of equipment damage caused by poor grounding at home and abroad in recent years. .

Grounding is the basis for ensuring the reliable operation of the power system and personal safety. The research on grounding technology involves multiple disciplines such as land, soil, chemistry, materials, and electricity, and their intersections. At the same time, it also has very important theoretical significance. It summarizes the research results of grounding technology from the aspects of grounding power frequency safety indicators, simulation analysis methods, grounding resistance reduction measures, lightning impulse characteristics, testing and evaluation, and analyzes the existing problems of grounding technology. , with the development of the power grid in the direction of high voltage, high intelligence, and high reliability, the requirements for the performance of grounding devices are getting higher and higher, and the development of grounding technology is facing many challenges.

With the continuous updating of equipment, the old ground wire cannot meet the requirements of "good contact and reliable connection". Seriously affect the safety of front-line staff, and even seriously affect the power grid and equipment. Therefore how to improve the current poor contact of the ground wire and the problem of unreliable connection are very important.

Contents of the invention

The purpose of the utility model is to solve the problem of poor contact and unreliable connection of the current grounding wire, and provide a dual-purpose grounding wire for the bus bar of the switch cabinet and the end of the cable head.

A dual-purpose grounding wire for a switch cabinet busbar and a cable head end of the utility model includes a fixed part, a moving part, a moving bolt, a moving screw, a grounding wire hanging point, an insulating rod and a non-slip insulating handle;

The fixed part is a bent integral part composed of the front end of the fixed part, the rear end of the fixed part and the tail end of the fixed part; the front end of the fixed part and the rear end of the fixed part are located before the folding point, and the tail The end is located behind the folding point, the front end of the fixing part is linear, and the rear end of the fixing part is arc-shaped;

The moving part is an integral part composed of a front end of the moving part and a rear end of the moving part; the front end of the moving part is linear, and the rear end of the moving part is arc-shaped;

The front end of the fixed part and the front end of the moving part are arranged horizontally, and the arcs of the rear end of the fixed part and the rear end of the moving part are arranged opposite to each other;

The moving bolt is fixedly connected to the middle position of the tail end of the fixed part;

A moving screw is arranged under the rear end of the moving part, and the moving screw is screwed with the moving bolt;

The hanging point of the grounding wire is set at the end of the tail end of the fixed part;

The insulating rod is arranged at the lower end of the moving screw;

The non-slip insulating handle is arranged at the lower end of the insulating rod.

If the dual-purpose grounding wire of a switchgear busbar and the end of the cable head described in the utility model is connected to the switchgear busbar, the front end of the fixed part and the front end of the moving part are used to engage the busbar; if it is connected to the end of the cable head, the fixed The rear end of the moving part and the rear end of the moving part are connected to the end of the cable head, and are fixed by the cooperation of the moving bolt and the moving screw.

The beneficial effects of the utility model:

The dual-purpose grounding wire for switchgear busbar and cable head end of the utility model is developed based on various switchgear busbars and cable head end shapes used in the current power grid, and can be reliably connected to the switchgear busbar and cable head end. New ground wire. The equipment is light, with high mechanical strength, fast connection speed, good contact and reliable connection with other equipment.

The versatility of a switch cabinet busbar and dual-purpose grounding wire at the end of the cable head of the utility model is also a highlight. It can be reliably connected to the busbar or to the root of the cable, which not only improves the work efficiency of the operation and maintenance personnel, Moreover, the work safety of maintenance personnel is ensured.

Description of drawings

Fig. 1 is the structure schematic diagram of a kind of switchgear bus bar of the present utility model, the dual-purpose grounding wire of cable head end; Wherein 1 is the fixed part, 1-1 is the front end of the fixed part, 1-2 is the rear end of the fixed part, 1-3 2 is the tail end of the fixed part, 2 is the moving part, 2-1 is the front end of the moving part, 2-2 is the rear end of the moving part, 3 is the moving bolt, 4 is the moving screw, 5 is the ground wire hanging point, 6 is the insulating rod, 7 is a non-slip insulating handle.

detailed description

Specific embodiment 1: A switch cabinet busbar and a dual-purpose grounding wire at the end of a cable head in this embodiment include a fixed part 1, a moving part 2, a moving bolt 3, a moving screw 4, a grounding wire hanging point 5, an insulating rod 6 and an anti-skid Insulated handle 7;

The fixed part 1 is a bent integral piece composed of the front end 1-1 of the fixed part, the rear end 1-2 of the fixed part and the tail end 1-3 of the fixed part; the front end 1-1 of the fixed part and the fixed part The rear end 1-2 is located before the folding point, the tail end 1-3 of the fixed part is located behind the folding point, the front end 1-1 of the fixed part is linear, and the rear end 1-2 of the fixed part is round arc;

The moving part 2 is an integral piece composed of the front end 2-1 of the moving part and the rear end 2-2 of the moving part; the front end 2-1 of the moving part is linear, and the rear end 2-2 of the moving part is arc-shaped;

The front end 1-1 of the fixed part and the front end 2-1 of the moving part are arranged horizontally, and the arcs of the rear end 1-2 of the fixed part and the rear end 2-2 of the moving part are oppositely arranged to form a clamping structure;

The moving bolt 3 is fixedly connected to the middle position of the tail end 1-3 of the fixed part;

A moving screw 4 is arranged under the rear end 2-2 of the moving part, and the moving screw 4 is screwed together with the moving bolt 3;

The ground wire hanging point 5 is set at the end of the tail end 1-3 of the fixed part;

The insulating rod 6 is arranged at the lower end of the moving screw 4;

The non-slip insulating handle 7 is arranged at the lower end of the insulating rod 6 .

If the dual-purpose grounding wire at the end of a switch cabinet bus bar and cable head described in this embodiment is connected to the switch cabinet bus bar, use the front end 1-1 of the fixed part and the front end 2-1 of the moving part to engage with the bus bar; To connect the ends, use the rear end 1-2 of the fixed part and the rear end 2-2 of the moving part to connect with the end of the cable head, and fix it through the cooperation of the moving bolt and the moving screw.

The dual-purpose grounding wire for switchgear busbar and cable head end in this embodiment is developed based on the various switchgear busbars and cable head end shapes used in the current power grid, and can be reliably connected to the switchgear busbar and cable head end. New ground wire. The equipment is light, with high mechanical strength, fast connection speed, good contact and reliable connection with other equipment.

The versatility of the switch cabinet busbar and dual-purpose grounding wire at the end of the cable head in this embodiment is also a highlight. It can be reliably connected to the busbar or to the root of the cable, which not only improves the work efficiency of the operation and maintenance personnel, Moreover, the work safety of maintenance personnel is ensured.

Embodiment 2: This embodiment is different from Embodiment 1 in that: the fixing part 1 is a sheet. Other steps and parameters are the same as those in the first embodiment.

Specific Embodiment 3: This embodiment differs from Specific Embodiment 1 or 2 in that: the width of the sheet-like piece is 28mm-30mm. Other steps and parameters are the same as those in Embodiment 1 or 2.

Embodiment 4: This embodiment differs from Embodiments 1 to 3 in that: the front end 1-1 of the fixed part is equal in length to the front end 2-1 of the moving part. Other steps and parameters are the same as those in the first to third specific embodiments.

Embodiment 5: This embodiment is different from Embodiment 1 to Embodiment 4 in that: the length of the front end 1-1 of the fixing part is 2 cm. Other steps and parameters are the same as in one of the specific embodiments 1 to 4.

Embodiment 6: This embodiment is different from Embodiment 1 to Embodiment 5 in that: the arcs of the rear end 1-2 of the fixed part and the rear end 2-2 of the moving part are equal. Other steps and parameters are the same as one of the specific embodiments 1 to 5.

Embodiment 7: This embodiment differs from Embodiment 1 to Embodiment 6 in that: the diameter of the circle where the arc of the rear end 1-2 of the fixing part is located is 4 cm. Other steps and parameters are the same as one of the specific embodiments 1 to 6.

Embodiment 8: The difference between this embodiment and one of Embodiments 1 to 7 is that the distance from the contact point between the rear end 1-2 of the fixed part and the tail end 1-3 of the fixed part to the moving bolt 3 is equal to that of the moving screw 4 lengths. Other steps and parameters are the same as one of the specific embodiments 1 to 7.

The specific embodiment nine: the difference between this embodiment and the specific embodiment one to eight is: the length of the moving screw 4 is 10cm. Other steps and parameters are the same as one of the specific embodiments 1 to 8.

Embodiment 10: This embodiment is different from Embodiment 1 to Embodiment 9 in that: the length of the insulating rod 6 is 35 cm. Other steps and parameters are the same as one of the specific implementation modes 1 to 9.

Verify beneficial effect of the present invention with following test:

Embodiment 1. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end in this embodiment includes a fixed part 1, a moving part 2, a moving bolt 3, a moving screw 4, a grounding wire hanging point 5, an insulating rod 6 and an anti-skid insulation handle 7;

The fixed part 1 is a bent integral piece composed of the front end 1-1 of the fixed part, the rear end 1-2 of the fixed part and the tail end 1-3 of the fixed part; the front end 1-1 of the fixed part and the fixed part The rear end 1-2 is located before the folding point, the tail end 1-3 of the fixed part is located behind the folding point, the front end 1-1 of the fixed part is linear, and the rear end 1-2 of the fixed part is round arc;

The moving part 2 is an integral piece composed of the front end 2-1 of the moving part and the rear end 2-2 of the moving part; the front end 2-1 of the moving part is linear, and the rear end 2-2 of the moving part is arc-shaped;

The front end 1-1 of the fixed part and the front end 2-1 of the moving part are arranged horizontally, and the arcs of the rear end 1-2 of the fixed part and the rear end 2-2 of the moving part are oppositely arranged to form a clamping structure;

The moving bolt 3 is fixedly connected to the middle position of the tail end 1-3 of the fixed part;

A moving screw 4 is arranged under the rear end 2-2 of the moving part, and the moving screw 4 is screwed together with the moving bolt 3;

The ground wire hanging point 5 is set at the end of the tail end 1-3 of the fixed part;

The insulating rod 6 is arranged at the lower end of the moving screw 4;

The non-slip insulating handle 7 is arranged at the lower end of the insulating rod 6 .

The said fixing part 1 is a sheet piece.

The width of the sheet-like piece is 29 mm.

The front end 1-1 of the fixed part is equal in length to the front end 2-1 of the moving part.

The length of the front end 1-1 of the fixing part is 2 cm.

The arc radians of the rear end 1-2 of the fixed part and the rear end 2-2 of the moving part are equal.

The diameter of the circle where the arc of the rear end 1-2 of the fixing part is located is 4cm.

The distance from the contact point between the rear end 1 - 2 of the fixed part and the tail end 1 - 3 of the fixed part to the moving bolt 3 is equal to the length of the moving screw 4 .

The length of described moving screw rod 4 is 10cm.

The length of described insulating rod 6 is 35cm.

Claims (10)

1. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end, characterized in that a dual-purpose grounding wire for a switch cabinet busbar and a cable head end includes a fixed part (1), a moving part (2), and a moving bolt (3) , moving screw (4), ground wire hanging point (5), insulating rod (6) and non-slip insulating handle (7); The fixed part (1) is a bent integral piece composed of the front end (1-1) of the fixed part, the rear end (1-2) of the fixed part and the tail end (1-3) of the fixed part; The front end (1-1) of the fixed part and the rear end (1-2) of the fixed part are located before the folding point, the tail end of the fixed part (1-3) is located after the folding point, and the front end of the fixed part (1-1) It is linear, and the rear end (1-2) of the fixing part is arc-shaped; The moving part (2) is an integral piece composed of the front end (2-1) and the rear end (2-2) of the moving part; the front end (2-1) of the moving part is linear, and the The rear end (2-2) of the moving part is arc-shaped; The front end (1-1) of the fixed part and the front end (2-1) of the moving part are arranged horizontally, and the arcs of the rear end (1-2) of the fixed part and the rear end (2-2) of the moving part are arranged oppositely ; The moving bolt (3) is fixedly connected to the middle position of the tail end (1-3) of the fixed part; A moving screw (4) is arranged under the rear end (2-2) of the moving part, and the moving screw (4) is screwed together with the moving bolt (3); The grounding wire hanging point (5) is set at the end of the tail end (1-3) of the fixed part; The insulating rod (6) is arranged at the lower end of the moving screw (4); The non-slip insulating handle (7) is arranged at the lower end of the insulating rod (6). 2. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 1, characterized in that said fixing part (1) is a sheet-like piece. 3. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 2, characterized in that the width of the sheet-like piece is 28 mm to 30 mm. 4. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 1, characterized in that the front end (1-1) of the fixed part is equal in length to the front end (2-1) of the moving part. 5. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 1, characterized in that the length of the front end (1-1) of the fixing part is 2cm. 6. A dual-purpose grounding wire for switchgear busbar and cable head end according to claim 1, characterized in that the circle between the rear end (1-2) of the fixed part and the rear end (2-2) of the moving part The radians are equal. 7. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 1, characterized in that the diameter of the circle where the arc of the rear end (1-2) of the fixing part is located is 4cm. 8. A dual-purpose grounding wire for switchgear busbar and cable head end according to claim 1, characterized in that the contact between the rear end (1-2) of the fixed part and the tail end (1-3) of the fixed part Point is equal to the length of moving screw rod (4) to the distance of moving bolt (3). 9. A dual-purpose grounding wire for switchgear busbar and cable head end according to claim 1, characterized in that the length of the moving screw (4) is 10cm. 10. A dual-purpose grounding wire for a switch cabinet busbar and a cable head end according to claim 1, characterized in that the length of the insulating rod (6) is 35 cm.