External emergency access device for live installation

Abstract

The utility model relates to the technical field of electric power connecting devices, in particular to an external emergency access device installed in an electrified mode, which comprises a connector, a connecting wire is arranged below the connector, a moving groove is arranged on the surface of the connector, a second conductive contact finger is embedded on one side of the moving groove, and a second conductive contact finger is embedded on the other side of the moving groove. A first conductive contact finger is arranged below the second conductive contact finger, the first conductive contact finger is in sliding fit with the connector, an access mechanism is arranged between the connector and the connecting line, and the access mechanism internally comprises a handle, a conductive shaft, a connecting piece, a supporting sliding block and an extension spring. An anti-loosening mechanism is arranged below the connector and is composed of an anti-loosening component and a pin groove. According to the utility model, the stability when the external emergency access device is connected with a high-voltage cabinet, a transformer substation or a transformer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power connection devices, in particular to an external emergency access device installed under power. Background Art

[0002] The substation in the power plant is a step-up substation, whose function is to boost the voltage of the electric energy generated by the generator and feed it into the high-voltage power grid. In the daily use of the substation and the high-voltage cabinet or substation, inspection and maintenance are required, and at this time, connection is required through an external connector.

[0003] The connector generally rotates a conductive screw to drive the wire row to be clamped and fixed between the first conductive contact finger and the second conductive contact finger, which is inconvenient to operate. In addition, the conductive screw can still rotate during the power supply process and the process of connecting external electrical equipment to the connector, thereby causing the first conductive contact finger to move away from the second conductive contact finger, resulting in an unstable connection between the connector and the high-voltage cabinet, substation or transformer. Utility Model Content

[0004] The purpose of the present invention is to provide an external emergency access device for live installation, so as to solve the problem in the above background technology that the external emergency access device is unstable when connected to a high-voltage cabinet, a substation or a transformer when in use.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an external emergency access device for live installation, comprising a connector, a connecting wire is provided below the connector, a movable groove is provided on the surface of the connector, a second conductive contact finger is embedded on one side of the movable groove, a first conductive contact finger is provided below the second conductive contact finger, the first conductive contact finger and the connector slide with each other, an access mechanism is provided between the connector and the connecting wire, the interior of the access mechanism includes a handle, a conductive shaft, a connecting piece, a support slider and an extension spring, an anti-loosening mechanism is provided below the connector, and the anti-loosening mechanism consists of an anti-loosening component and a pin groove.

[0006] Preferably, a supporting slider is fixed to the bottom of the connector, a handle is fixed to one end of the connecting line, and the handle and the supporting slider are slidably matched with each other.

[0007] Preferably, a conductive shaft is fixed at one end of the first conductive contact finger, one end of the conductive shaft passes through the connector, the support slider and the handle in sequence and is connected to the connecting line, and a connecting piece is fixed on the surface of the conductive shaft, and the surface of the connecting piece is fixedly connected to the inner wall of the handle.

[0008] Preferably, a stretch spring is mounted on the surface of the conductive shaft, and two ends of the stretch spring are fixedly connected to the surfaces of the connector and the first conductive contact finger, respectively.

[0009] Preferably, the pin slots are opened at equal intervals on one side of the conductive shaft, an anti-loosening component is provided on one side of the pin slots, and the anti-loosening component is installed on the surface of the supporting slider.

[0010] Preferably, the interior of the anti-loosening component includes a support spring, a connecting cover and a pin rod, the pin rod is arranged on the surface of the supporting slider, one end of the pin rod is a slope, and one end of the pin rod passes through the supporting slider and is pin-connected with the pin groove.

[0011] Preferably, a connecting cover is fixed to the other end of the pin rod, a supporting spring is sleeved on the surface of the pin rod, and the surfaces of the supporting spring are fixedly connected to the surfaces of the connecting cover and the supporting slider respectively.

[0012] Compared with the prior art, the beneficial effect of the present invention is that the external emergency access device for live installation is provided with an access mechanism and an anti-loosening mechanism, and the external emergency access device is placed on one side of the high-voltage cabinet, substation or transformer line bar to be connected, so that the line bar is located inside the movable groove. At this time, the pin rod is pinned to the pin groove under the action of the support spring, fixing the conductive shaft, and putting the extension spring in a contracted state. Then the connection cover can be pulled so that the connection cover drives the pin rod away from the pin groove. At this time, the conductive shaft pushes the first conductive contact finger under the elastic force of the extension spring, and drives the handle to slide along the support slider to guide the conductive shaft so that the conductive shaft pushes the first conductive contact finger to contact the line bar to take power from the line bar. Then the connection cover is released. At this time, the pin rod is reset under the elastic force of the support spring, so that the pin rod is inserted into the corresponding pin groove, thereby fixing the conductive shaft to prevent it from loosening, making the contact of the first conductive contact finger more stable, thereby realizing the stable connection function of the external emergency access device, thereby improving the stability of the external emergency access device when connected to the high-voltage cabinet, substation or transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0014] Figure 2 This is a side structural diagram of the present utility model;

[0015] Figure 3 It is a partial enlarged structural schematic diagram of the utility model;

[0016] Figure 4 It is an enlarged structural diagram of the anti-loosening mechanism of the utility model.

[0017] In the figure: 1. Connector; 11. First conductive contact; 12. Connecting wire; 13. Second conductive contact; 14. Moving slot; 2. Access mechanism; 21. Handle; 22. Conductive shaft; 23. Connecting piece; 24. Support slider; 25. Extension spring; 3. Anti-loosening mechanism; 31. Anti-loosening component; 311. Support spring; 312. Connecting cover; 313. Pin rod; 32. Pin slot. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] The structure of the external emergency access device provided by the utility model is as follows: Figure 1 and Figure 2 As shown, it includes a connector 1, a connecting line 12 is provided below the connector 1, a movable groove 14 is opened on the surface of the connector 1, a second conductive contact finger 13 is embedded on one side of the movable groove 14, and a first conductive contact finger 11 is provided below the second conductive contact finger 13. The first conductive contact finger 11 and the connector 1 slide together.

[0020] Further, if Figure 3 As shown, an access mechanism 2 is provided between the connector 1 and the connecting line 12. The interior of the access mechanism 2 includes a handle 21, a conductive shaft 22, a connecting piece 23, a support slider 24 and an extension spring 25. The bottom of the connector 1 is fixed with a support slider 24, and one end of the connecting line 12 is fixed with a handle 21. The handle 21 and the support slider 24 slide with each other. One end of the first conductive contact finger 11 is fixed with a conductive shaft 22. One end of the conductive shaft 22 passes through the connector 1, the support slider 24 and the handle 21 in sequence and is connected to the connecting line 12. A connecting piece 23 is fixed to the surface of the conductive shaft 22. The surface of the connecting piece 23 is fixedly connected to the inner wall of the handle 21. The surface of the conductive shaft 22 is covered with an extension spring 25. The two ends of the extension spring 25 are respectively fixedly connected to the surface of the connector 1 and the first conductive contact finger 11.

[0021] Further, if Figure 4 As shown, an anti-loosening mechanism 3 is provided at the bottom of the connector 1, and the anti-loosening mechanism 3 consists of an anti-loosening component 31 and a pin slot 32. The pin slots 32 are evenly spaced on one side of the conductive shaft 22, and an anti-loosening component 31 is provided on one side of the pin slot 32. The anti-loosening component 31 is installed on the surface of the support slider 24. The interior of the anti-loosening component 31 contains a support spring 311, a connecting cover 312 and a pin rod 313. The pin rod 313 is provided on the surface of the support slider 24, and one end of the pin rod 313 is an inclined surface. One end of the pin rod 313 passes through the support slider 24 and is pin-connected with the pin slot 32. The other end of the pin rod 313 is fixed with a connecting cover 312. The surface of the pin rod 313 is sleeved with a support spring 311, and the surfaces of the support spring 311 are fixedly connected to the surfaces of the connecting cover 312 and the support slider 24 respectively.

[0022] When in use, the external emergency access device is placed on one side of the high-voltage cabinet or substation or transformer line to be connected, so that the line is located inside the movable groove 14. At this time, the pin 313 is pinned to the pin groove 32 under the action of the support spring 311, and the conductive shaft 22 is fixed, so that the extension spring 25 is in a contracted state. Then the connection cover 312 can be pulled to drive the pin 313 away from the pin groove 32. At this time, the conductive shaft 22 pushes the first conductive contact finger 11 under the elastic force of the extension spring 25. , and drives the handle 21 to slide along the support slider 24 to guide the conductive shaft 22, so that the conductive shaft 22 pushes the first conductive contact finger 11 to contact the line bank to take power from the line bank, and then releases the connection cover 312. At this time, the pin rod 313 is reset under the elastic force of the support spring 311, so that the pin rod 313 is inserted into the corresponding pin groove 32, thereby fixing the conductive shaft 22 to prevent it from loosening, making the contact of the first conductive contact finger 11 more stable, so as to realize the stable connection function of the external emergency access device.

[0023] Working principle: When in use, first place the external emergency access device to one side of the high-voltage cabinet or substation or transformer line to be connected, so that the line is located inside the movable slot 14. At this time, the pin 313 is pinned to the inside of the pin slot 32 under the action of the support spring 311, and the conductive shaft 22 is fixed, so that the extension spring 25 is in a contracted state. Then the connection cover 312 can be pulled to make the connection cover 312 drive the pin 313 away from the pin slot 32. At this time, the conductive shaft 22 pushes the first conductive contact finger 11 under the elastic force of the extension spring 25, and drives the handle 21 to slide along the support slider 24, thereby contacting the conductive shaft 22. The shaft 22 is guided so that the conductive shaft 22 pushes the first conductive contact finger 11 to contact the line bank so as to draw electricity from the line bank, and then the connection cover 312 is loosened. At this time, the pin rod 313 is reset under the elastic force of the support spring 311, so that the pin rod 313 is inserted into the corresponding pin groove 32, thereby fixing the conductive shaft 22 to prevent it from loosening, making the contact of the first conductive contact finger 11 more stable, so as to realize the stable connection function of the external emergency access device, thereby improving the stability of the external emergency access device when connected to the high-voltage cabinet, substation or transformer, and finally completing the use of the external emergency access device.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An external emergency access device for live installation, comprising a connector (1), characterized in that: A connecting line (12) is provided below the connector (1), a movable groove (14) is provided on the surface of the connector (1), a second conductive contact finger (13) is embedded on one side of the movable groove (14), a first conductive contact finger (11) is provided below the second conductive contact finger (13), the first conductive contact finger (11) and the connector (1) are slidably matched with each other, an access mechanism (2) is provided between the connector (1) and the connecting line (12), the interior of the access mechanism (2) includes a handle (21), a conductive shaft (22), a connecting piece (23), a supporting slider (24) and an extension spring (25), an anti-loosening mechanism (3) is provided below the connector (1), and the anti-loosening mechanism (3) is composed of an anti-loosening component (31) and a pin groove (32).

2. The live-installed external emergency access device according to claim 1, characterized in that: A supporting slider (24) is fixed to the bottom of the connector (1), a handle (21) is fixed to one end of the connecting line (12), and the handle (21) and the supporting slider (24) are slidably matched with each other.

3. The live-installed external emergency access device according to claim 2, characterized in that: A conductive shaft (22) is fixed to one end of the first conductive contact finger (11), one end of the conductive shaft (22) passes through the connector (1), the support slider (24) and the handle (21) in sequence and is connected to the connecting line (12), a connecting piece (23) is fixed to the surface of the conductive shaft (22), and the surface of the connecting piece (23) is fixedly connected to the inner wall of the handle (21).

4. The live-installed external emergency access device according to claim 3, characterized in that: The surface of the conductive shaft (22) is sheathed with an extension spring (25), and both ends of the extension spring (25) are fixedly connected to the surfaces of the connector (1) and the first conductive contact finger (11), respectively.

5. The live-installed external emergency access device according to claim 1, characterized in that: The pin slots (32) are opened at equal intervals on one side of the conductive shaft (22), and an anti-loosening component (31) is provided on one side of the pin slot (32), and the anti-loosening component (31) is installed on the surface of the supporting slider (24).

6. The live-installed external emergency access device according to claim 5, characterized in that: The anti-loosening component (31) includes a support spring (311), a connecting cover (312) and a pin rod (313). The pin rod (313) is arranged on the surface of the supporting slider (24). One end of the pin rod (313) is an inclined surface. One end of the pin rod (313) passes through the supporting slider (24) and is pin-connected with the pin groove (32).

7. The live-installed external emergency access device according to claim 6, characterized in that: A connecting cover (312) is fixed to the other end of the pin rod (313), a supporting spring (311) is sleeved on the surface of the pin rod (313), and the surfaces of the supporting spring (311) are fixedly connected to the surfaces of the connecting cover (312) and the supporting slider (24), respectively.

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