Bus residual voltage holding device

Abstract

The utility model discloses a bus residual voltage holding device, and relates to the technical field of line protection, the bus residual voltage holding device comprises a bus and a joint connected with the bus, the output end of the joint is provided with a plurality of leads, the surface of the bus is provided with a bracket close to the joint, the bracket is detachably connected with a pressing seat, and the pressing seat is detachably connected with the bus. And when the bracket and the pressing seat are in closed connection, the bracket and the pressing seat are attached to the outer surface of the bus. According to the utility model, the bracket and the pressing seat are connected with the bus, if a pulling acting force is generated on the bus, because the interception plate abuts against the end part of the support leg and the pressure structure is arranged at the outer side of the interception plate, the interception plate can effectively absorb the impact force generated when the support leg slides, has an interception effect on the support leg and reduces the sliding stroke of the support leg; the reset speed of the supporting feet, the supporting seat, the pressing seat and the bus is increased, the pulling acting force is buffered and absorbed, and the adverse effect of the pulling acting force on the connection position of the bus and the connector is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of line protection, and particularly relates to a busbar residual voltage holding device. Background Art

[0002] A busbar refers to a common path to which multiple devices are connected in a parallel branch form. With the expansion and upgrade of the power system capacity, many devices in the system, such as the extensive use of power electronic devices and asynchronous motors, have relatively high requirements for power supply quality because these electrical equipment are very sensitive to voltage dips and have weak insulation. Therefore, low-residual-voltage busbars are used in protection cabinets for protection.

[0003] During the operation process of installing and wiring electrical equipment, the busbar is generally in an exposed state inside the power cabinet. During the process of installing equipment and implementing wiring operations, if the busbar is accidentally dragged, under the action of the traction force, the exposed busbar is easily pulled and worn, resulting in the disconnection of the connection at the joint, further leading to the disconnection of the path and affecting the normal use of the busbar. Summary of the Utility Model

[0004] In view of the above problems, the present application provides a busbar residual voltage holding device.

[0005] To achieve the above object, the present application provides the following technical solution: A busbar residual voltage holding device, including a busbar and a joint connected to the busbar, a plurality of wires are installed at the output end of the joint, a support seat is installed on the surface of the busbar near the joint, and a pressure seat is detachably connected to the support seat. When the support seat and the pressure seat are connected in a closed manner, the support seat and the pressure seat are attached to the outer surface of the busbar.

[0006] Intercepting plates are arranged on both sides of the busbar. The intercepting plates are in a trapezoidal structure, and pressure structures are arranged on the outer sides of the intercepting plates. Both ends of the support seat are fixedly connected with support legs. A pair of the support legs are symmetrically distributed in a shape of an inverted V inside a pair of intercepting plates. The surfaces of the support legs near the support seat are connected to the waist side surfaces of the intercepting plates through elastic pieces. In the natural state, the ends of the support legs far from the support seat are abutted against the central positions of the surfaces of the intercepting plates.

[0007] Further, a pair of docking sleeves are fixedly connected to the surface of the support seat, a channel for accommodating the docking sleeves to be inserted is opened on the surface of the pressure seat, and limit pins are fixedly connected to the ends of the docking sleeves far from the pressure seat. When the support seat and the pressure seat are abutted against each other, the limit pins are abutted against the surface of the pressure seat.

[0008] Further, the pressure structure includes a plurality of first connection studs installed on the outer side of the intercepting plate. A second connection stud is connected to each of the plurality of first connection studs through a pressure spring. In the natural state, the first connection studs and the second connection studs are coaxially distributed.

[0009] Further, a guide rod is fixedly connected to one side of each second connection stud facing the pressure spring. The guide rod extends to the inner side of the pressure spring and is coaxially distributed with it.

[0010] Further, connecting arms are arranged on the outer sides of the intercepting plates. The connecting arms are in a V-shaped structure. The second connection studs are symmetrically installed on the two end surfaces of the connecting arms.

[0011] Further, a pair of left-and-right symmetrically distributed connecting arms are connected by the same protective cover. The protective cover is located outside the bus bar, the connector and the wire.

[0012] In summary, the technical effects and advantages of the present utility model are as follows:

[0013] The present utility model is connected to the bus bar through the support base and the pressing base. If a pulling force is generated on the bus bar, since the intercepting plate abuts against the end of the support leg, and a pressure structure is arranged on the outer side of the intercepting plate, the intercepting plate can effectively absorb the impact force during the sliding of the support leg, has an intercepting effect on the support leg, reduces the sliding stroke of the support leg, improves the reset speed of the support leg, the support base, the pressing base and the bus bar, buffers and absorbs the pulling force, and reduces the adverse effects brought by the dragging force to the connection position between the bus bar and the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 It is a three-dimensional structure diagram of the present utility model.

[0016] Figure 2 It is a second perspective structure diagram of the present utility model.

[0017] Figure 3 It is a third perspective structure diagram of the present utility model.

[0018] Figure 4 It is a fourth perspective structure diagram of the present utility model.

[0019] Figure 5 For the present utility model Figure 4Schematic enlarged view of part A in [the figure].

[0020] In the figure: 1, busbar; 2, joint; 3, wire; 4, support; 41, support leg; 42, docking sleeve; 5, pressure seat; 51, limit pin; 6, spring plate; 7, intercepting plate; 8, first connection stud; 9, compression spring; 10, second connection stud; 11, guide rod; 12, connecting arm; 13, protective cover. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment: Refer to Figure 1 , Figure 2 A busbar residual voltage holding device shown, including a busbar 1 and a joint 2 connected to the busbar 1. A plurality of wires 3 are installed at the output end of the joint 2. A support 4 is installed on the surface of the busbar 1 near the joint 2. A pressure seat 5 is detachably connected to the support 4. When the support 4 and the pressure seat 5 are connected in a closed manner, the support 4 and the pressure seat 5 are attached to the outer surface of the busbar 1.

[0023] Intercepting plates 7 are arranged on both sides of the busbar 1. The intercepting plates 7 are in a trapezoidal structure, and pressure structures are arranged on the outer sides of the intercepting plates 7. Support legs 41 are fixedly connected to both ends of the support 4. A pair of support legs 41 are symmetrically distributed in a shape of an inverted V inside a pair of intercepting plates 7. The surfaces of the support legs 41 near the support 4 are connected to the waist side surfaces of the intercepting plates 7 through spring plates 6. In the natural state, the ends of the support legs 41 far from the support 4 are abutted against the central positions of the surfaces of the intercepting plates 7.

[0024] If a pulling force is applied to the busbar 1, the support legs 41 slide along with the movement of the support 4, the pressure seat 5 and the busbar 1, and the spring plates 6 deform. Since the intercepting plates 7 abut against the ends of the support legs 41, and pressure structures are arranged on the outer sides of the intercepting plates 7, under the pressure of the pressure structures, the intercepting plates 7 can effectively absorb the impact force during the sliding of the support legs 41, have an intercepting effect on the support legs 41, reduce the sliding stroke of the support legs 41, improve the reset speed of the support legs 41, the support 4, the pressure seat 5 and the busbar 1, improve the stability of the busbar 1, have a protective effect on the busbar, and reduce the adverse effects brought by the dragging force to the connection position between the busbar 1 and the joint 2.

[0025] As Figure 2 , Figure 3As shown, a pair of docking sleeves 42 are fixedly connected to the surface of the support base 4. A channel for accommodating the insertion of the docking sleeves 42 is provided on the surface of the pressure seat 5. Limit pins 51 are fixedly connected to the ends of the docking sleeves 42 away from the pressure seat 5. When the support base 4 and the pressure seat 5 are in contact, the limit pins 51 are in contact with the surface of the pressure seat 5, maintaining the tight connection between the support base 4 and the pressure seat 5.

[0026] As Figure 4 , Figure 5 shown, the pressure structure includes a plurality of first connection studs 8 installed outside the intercepting plate 7. A plurality of first connection studs 8 are all connected to a second connection stud 10 through a pressure spring 9. In the natural state, the first connection studs 8 and the second connection studs 10 are coaxially distributed. Under the elastic potential energy of the pressure spring 9, the intercepting plate 7 abuts against the end of the support leg 41. If the support leg 41 slides along with the dragging of the bus bar 1 and the support base 4, the intercepting plate 7 can generate a pressure perpendicular to the dragging force on the support leg 41, having a certain intercepting force on the support leg 41, maintaining the stability of the support leg 41, the support base 4 and the bus bar 1, and effectively preventing the bus bar 1 from falling off.

[0027] If the pulling force is too large, the support leg 41 squeezes the intercepting plate 7 to deflect. The intercepting force generated by the intercepting plate 7 on the support leg 41 can reduce the sliding range of the support leg 41. Under the connection action of the pressure spring 9 and the elastic sheet 6, both the intercepting plate 7 and the support leg 41 can quickly reset after moving, buffering and absorbing the pulling force, and reducing the damage to the connection position of the bus bar 1 caused by the pulling force.

[0028] As Figure 4 , Figure 5 shown, guide rods 11 are fixedly connected to the sides of the second connection studs 10 facing the pressure spring 9. The guide rods 11 extend to the inside of the pressure spring 9 and are coaxially distributed with it. The setting of the guide rods 11 can prevent the pressure spring 9 from deflecting excessively elastically, and further prevent the first connection stud 8 and the intercepting plate 7 from deflecting excessively, restricting the deflection stroke of the intercepting plate 7.

[0029] As Figure 4 , Figure 5 shown, connecting arms 12 are arranged on the outside of the intercepting plate 7. The connecting arms 12 are in a V-shaped structure. The second connection studs 10 are symmetrically installed on the two end surfaces of the connecting arms 12. The setting of the connecting arms 12 ensures the stability of the second connection studs 10. Further, it prevents the intercepting plate 7 from generating excessive deflection around its central position under pressure, accelerating the reset of the intercepting plate 7.

[0030] As Figure 1As shown in the figure, a pair of connecting arms 12 symmetrically distributed on the left and right are connected by the same shield 13. The shield 13 is located outside the busbar 1, the joint 2 and the wire 3. The setting of the shield 13 provides an operating space for the installation of the busbar 1, the joint 2 and the wire 3, and at the same time can provide an installation and accommodation space for the intercepting plate 7 and the pressure structure connecting arm 12.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A busbar residual voltage holding device, comprising a busbar (1) and a connector (2) connected to the busbar (1), wherein a plurality of conductors (3) are installed at the output end of the connector (2), characterized in that: A support seat (4) is installed on the surface of the busbar (1) and at a position close to the joint (2), and a pressure seat (5) is detachably connected to the support seat (4). When the support seat (4) and the pressure seat (5) are closed-type connected, the support seat (4) and the pressure seat (5) are attached to the outer surface of the busbar (1); Interceptor plates (7) are arranged on both sides of the busbar (1), the interceptor plates (7) are of a trapezoidal structure, and pressure structures are arranged on the outer sides of the interceptor plates (7). Support legs (41) are fixedly connected to both ends of the bracket (4), and a pair of the support legs (41) are located on the inner sides of the pair of interceptor plates (7) and are symmetrically distributed in an eight-shaped shape. The positions of the surfaces of the support legs (41) close to the bracket (4) are connected to the waist side surfaces of the interceptor plates (7) through spring plates (6). In a natural state, the ends of the support legs (41) away from the bracket (4) are in contact with the center position of the surface of the interceptor plate (7).

2. The busbar residual pressure holding device according to claim 1, characterized in that: A pair of docking sleeves (42) are fixedly connected to the surface of the support seat (4), a channel for accommodating the docking sleeves (42) is provided on the surface of the pressure seat (5), and a limiting pin (51) is fixedly connected to one end of the docking sleeve (42) away from the pressure seat (5). When the support seat (4) and the pressure seat (5) are in contact with each other, the limiting pin (51) is in contact with the surface of the pressure seat (5).

3. The busbar residual pressure holding device according to claim 1, characterized in that: The pressure structure comprises a plurality of first connecting studs (8) installed on the outside of the interception plate (7), and the plurality of first connecting studs (8) are connected to a second connecting stud (10) via a pressure spring (9). In a natural state, the first connecting studs (8) and the second connecting studs (10) are coaxially distributed.

4. The busbar residual pressure holding device according to claim 3 is characterized in that: A guide rod (11) is fixedly connected to the side of the second connection column head (10) facing the pressure spring (9), and the guide rod (11) extends to the inner side of the pressure spring (9) and is coaxially distributed therewith.

5. The busbar residual pressure holding device according to claim 3, characterized in that: The outer sides of the intercepting plates (7) are connected with connecting arms (12), the connecting arms (12) are V-shaped, and the second connecting column heads (10) are symmetrically mounted on the surfaces of both ends of the connecting arms (12).

6. The busbar residual pressure holding device according to claim 5, characterized in that: A pair of connecting arms (12) symmetrically distributed on the left and right are connected via a common protective cover (13), and the protective cover (13) is located outside the busbar (1), the connector (2) and the conductor (3).

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