CN215835013U - High-strength insulating contact arm for switch cabinet PT handcart - Google Patents
High-strength insulating contact arm for switch cabinet PT handcart Download PDFInfo
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- CN215835013U CN215835013U CN202023242216.9U CN202023242216U CN215835013U CN 215835013 U CN215835013 U CN 215835013U CN 202023242216 U CN202023242216 U CN 202023242216U CN 215835013 U CN215835013 U CN 215835013U
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- switch cabinet
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Abstract
The utility model discloses a high-strength insulating contact arm for a PT handcart of a switch cabinet, wherein a fuse tube is assembled in a cuboid shell, a supporting block guide groove is formed in the lower side wall of the right end of the shell, an L-shaped bent plate is assembled at the right end of the shell, a supporting porcelain bottle is assembled on the right side of a vertical plate of the bent plate, a compression bolt is assembled on a horizontal plate of the bent plate, the top end of the compression bolt is connected with the bottom of the supporting block, and the top of the supporting block is abutted against a metal conductive end at the right end of the fuse tube; the casing left end is equipped with the mounting panel, and the right side of mounting panel is connected with the left end of fuse-link, and electrically conductive connecting block passes through the bolt and installs in the left side of mounting panel, and the plum blossom contact is connected on electrically conductive connecting block. According to the utility model, the plum blossom-shaped contact, the conductive connecting block and the fuse tube are connected to form the conductive contact arm, so that the structure of the conductive contact arm is more compact; by using the multifunctional handcart, the height of the handcart can be effectively reduced, and the requirements of miniaturization of the PT handcart and multifunction of a switch cabinet are met.
Description
Technical Field
The utility model relates to the technical field of high-voltage electricity, in particular to a high-strength insulating contact arm for a PT handcart of a switch cabinet.
Background
The voltage transformer cabinet is generally directly mounted on a bus to detect the bus voltage and realize the protection function. The inside mainly installs voltage transformer PT, keeps apart sword, fuse and arrester etc.. The voltage loop is used for measuring voltage and providing a measuring meter; can provide operation and control power; installing an overvoltage protector of each section of bus; need for relay protection.
Well high-voltage moves open PT handcart for cubical switchboard, in order to realize the grafting and the separation of the PT handcart and the cabinet body, the PT handcart that has the function of pegging graft is mostly adopted and is touched the arm, and the handcart touches the arm and adopts the mode realization that the insulating cylinder adds the electric conductor combination, and the function is single, simultaneously for realizing PT handcart fuse-link tube and voltage transformer's installation, the handcart adopts to increase the size or adopts the console mode overall arrangement, is unfavorable for the implementation and the miniaturized requirement realization of cubical switchboard multi-functional scheme like this.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength insulating contact arm for a PT handcart of a switch cabinet, which solves the problems that the conventional PT handcart is large in size and cannot meet the miniaturization requirement of the switch cabinet.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a high-strength insulated contact arm for a PT handcart of a switch cabinet is connected with a voltage transformer arranged on the PT handcart through a bus and comprises a supporting porcelain bottle, a plum blossom contact and a fuse tube, the fuse tube is assembled in the inner cavity of the cuboid shell through a tube clamp arranged on the outer wall of the fuse tube, a supporting block guide groove is arranged on the lower side wall of the right end of the shell, screw fixing holes are arranged at four corners of the inner wall of the right end of the shell, a vertical plate of the L-shaped bent plate is assembled in the screw fixing holes through screws, the support porcelain insulator is assembled on the right side of the vertical plate of the bent plate through screws, a bolt fixing groove is formed in the horizontal plate of the bent plate, a compression bolt is assembled in the bolt fixing groove, the top end of the compression bolt is connected with the bottom of the support block, the support block is arranged in the support block guide groove, the top of the supporting block is provided with an arc-shaped groove which is abutted against the metal conductive end at the right end of the fusing tube; the casing left end is equipped with the mounting panel, and the right side of mounting panel is connected with the left end of fuse-link, and electrically conductive connecting block passes through the bolt and installs in the left side of mounting panel, and the plum blossom contact compresses tightly the effect through the spring of self and connects on electrically conductive connecting block.
Preferably, four edges of the inner cavity of the shell are provided with reinforcing ribs.
Preferably, the top of the outer wall of the shell is provided with a concave positioning clamping groove of the arrester antenna, and the top of the front wall of the left end of the shell, which is opposite to the center line of the positioning clamping groove, is provided with a lead positioning hole.
Preferably, the side wall of the positioning clamping groove is provided with a binding hole.
Preferably, the pipe strap is a U-shaped spring strap, one side of the bottom edge of the pipe strap is connected with an L-shaped screw fixing plate, and the screw fixing plate is connected with the left end of the shell through a screw.
Preferably, the shell, the reinforcing ribs and the screw fixing holes are of an integrated structure formed by pouring epoxy resin.
The utility model has the beneficial effects that:
according to the utility model, the plum blossom-shaped contact, the conductive connecting block and the fuse tube are connected to form the conductive contact arm, so that the structure of the conductive contact arm is more compact; by using the multifunctional handcart, the height of the handcart can be effectively reduced, and the requirements of miniaturization of the PT handcart and multifunction of a switch cabinet are met.
The fuse tube is arranged in the inner cavity of the cuboid shell, and the shell has stronger rigidity and shock resistance, can bear larger impact force, can better protect the fuse tube and improves the reliability of equipment.
According to the lightning arrester antenna, the positioning clamping groove of the lightning arrester antenna is formed in the outer wall of the shell, and the binding rope penetrates through the binding hole, so that the lightning arrester can be further fixed, the reliability of equipment is enhanced, and the shock resistance is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic drawing in exploded form of the utility model of FIG. 1;
FIG. 3 is a schematic structural view of the housing of FIG. 2;
FIG. 4 is a top view of the housing of FIG. 3;
FIG. 5 is a side view of the housing of FIG. 3;
in the figure: 1. the device comprises a support porcelain insulator, 2, screw fixing holes, 3, a bent plate, 4, a support block, 5, a fuse tube, 6, a reinforcing rib, 7, a pipe clamp, 8, a support block guide groove, 9, a shell, 10, a mounting plate, 11, a positioning clamp groove, 12, a conductive connecting block, 13, a plum blossom contact, 14, a binding hole, 15, a compression bolt, 16, a bus, 17, a voltage transformer, 18 and a lead positioning hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a high strength insulated contact arm for a PT handcart of a switch cabinet is connected with a voltage transformer 17 installed on the PT handcart through a bus bar 16, and comprises a support porcelain bottle 1, a tulip contact 13 and a fuse tube 5, wherein the fuse tube 5 is assembled in an inner cavity of a cuboid-shaped shell 9 through a tube clamp 7 installed on the outer wall of the fuse tube, a support block guide groove 8 is arranged on the lower side wall of the right end of the shell 9, screw fixing holes 2 are arranged at four corners of the inner wall of the right end of the shell 9, a vertical plate of an L-shaped bent plate 3 is assembled in the screw fixing holes 2 through screws, the support porcelain bottle 1 is assembled on the right side of the vertical plate of the bent plate 3 through screws, a bolt fixing groove is arranged on a horizontal plate of the bent plate 3, a pressing bolt 15 is assembled in the bolt fixing groove, the top end of the pressing bolt 15 is connected with the bottom of the support block 4, the support block 4 is installed in the guide groove 8, the top of the supporting block 4 is provided with an arc-shaped groove which is abutted against the metal conductive end at the right end of the fusing tube 5; the casing 9 left end is equipped with mounting panel 10, and the right side of mounting panel 10 is connected with the left end of fuse-link 5, and electrically conductive connecting block 12 passes through the bolt and installs the left side at mounting panel 10, and plum blossom contact 13 is connected on electrically conductive connecting block 12 through the spring hold-down action of self.
Four edges of the inner cavity of the shell 9 are provided with reinforcing ribs 6.
A concave positioning clamping groove 11 of the arrester antenna is arranged at the top of the outer wall of the shell 9, and a lead positioning hole 18 is arranged at the top of the front wall of the left end of the shell 9 opposite to the center line of the positioning clamping groove 11. The side wall of the positioning clamping groove 11 is provided with a binding hole 14.
The pipe clamp 7 is a U-shaped spring clamp, one side of the bottom edge of the pipe clamp is connected with an L-shaped screw fixing plate, and the screw fixing plate is connected with the left end part of the shell 9 through screws.
The shell 9, the reinforcing ribs 6 and the screw fixing holes 2 are of an integrated structure poured by epoxy resin.
According to the utility model, the plum blossom-shaped contact 13, the conductive connecting block 12 and the fuse tube 5 are connected to form a conductive contact arm, so that the structure of the conductive contact arm is more compact; by using the multifunctional handcart, the height of the handcart can be effectively reduced, and the requirements of miniaturization of the PT handcart and multifunction of a switch cabinet are met. The utility model installs the fuse tube 5 in the inner cavity of the cuboid shell 9, the shell 9 has stronger rigidity and shock resistance, can bear larger impact force, can better protect the fuse tube, and improves the reliability of the equipment.
Claims (6)
1. The utility model provides a cubical switchboard PT insulating arm that touches of high strength for handcart, this insulating arm that touches is connected with voltage transformer (17) of installing on the PT handcart through generating line (16), including supporting vase (1), plum blossom contact (13) and fuse tube (5), its characterized in that: the fuse tube (5) is mounted in the inner cavity of a cuboid housing (9) by a tube clamp (7) mounted on the outer wall of the fuse tube, a supporting block guide groove (8) is arranged on the lower side wall of the right end of the shell (9), screw fixing holes (2) are arranged at four corners of the inner wall of the right end of the shell (9), a vertical plate of the L-shaped bent plate (3) is assembled in the screw fixing holes (2) through screws, the support porcelain insulator (1) is assembled on the right side of the vertical plate of the bent plate (3) through screws, a bolt fixing groove is formed in the horizontal plate of the bent plate (3), a compression bolt (15) is assembled in the bolt fixing groove, the top end of the compression bolt (15) is connected with the bottom of the support block (4), the support block (4) is installed in the support block guide groove (8), the top of the supporting block (4) is provided with an arc-shaped groove which is abutted against the metal conductive end at the right end of the fusing tube (5); casing (9) left end is equipped with mounting panel (10), and the right side of mounting panel (10) is connected with the left end of fuse-link (5), and electrically conductive connecting block (12) pass through the bolt and install the left side at mounting panel (10), and plum blossom contact (13) compress tightly the effect through self spring and connect on electrically conductive connecting block (12).
2. The high-strength insulating contact arm for the PT handcart of the switch cabinet according to claim 1, characterized in that: four edges of the inner cavity of the shell (9) are provided with reinforcing ribs (6).
3. The high-strength insulated contact arm for the PT handcart of the switch cabinet as claimed in claim 1 or 2, wherein: the lightning arrester antenna is characterized in that a concave positioning clamping groove (11) of the lightning arrester antenna is installed at the top of the outer wall of the shell (9), and a lead positioning hole (18) is formed in the top of the front wall of the left end of the shell (9) opposite to the center line of the positioning clamping groove (11).
4. The high-strength insulating contact arm for the PT handcart of the switch cabinet according to claim 3, characterized in that: and binding holes (14) are formed in the side wall of the positioning clamping groove (11).
5. The high-strength insulating contact arm for the PT handcart of the switch cabinet according to claim 4, characterized in that: the pipe clamp (7) is a U-shaped spring clamp, one side of the bottom edge of the pipe clamp is connected with an L-shaped screw fixing plate, and the screw fixing plate is connected with the left end of the shell (9) through a screw.
6. The high-strength insulating contact arm for the PT handcart of the switch cabinet according to claim 5, characterized in that: the shell (9), the reinforcing ribs (6) and the screw fixing holes (2) are of an integrated structure poured by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242216.9U CN215835013U (en) | 2020-12-29 | 2020-12-29 | High-strength insulating contact arm for switch cabinet PT handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242216.9U CN215835013U (en) | 2020-12-29 | 2020-12-29 | High-strength insulating contact arm for switch cabinet PT handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215835013U true CN215835013U (en) | 2022-02-15 |
Family
ID=80186600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023242216.9U Active CN215835013U (en) | 2020-12-29 | 2020-12-29 | High-strength insulating contact arm for switch cabinet PT handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215835013U (en) |
-
2020
- 2020-12-29 CN CN202023242216.9U patent/CN215835013U/en active Active
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