A distribution transformer outgoing line structure for box-type transformer

Abstract

The utility model discloses a distribution transformer outlet structure for a box transformer, including a box body, a transformer body is fixedly installed inside the box body, a cable is fixedly connected to the surface of a wiring board, an adjusting head is fixedly connected to the end of the cable, a sliding groove is opened on the surface of the adjusting head, a wiring port is opened on one side of the surface of the box body, an adjusting frame is fixedly installed in the wiring port, each surface inside the adjusting frame is fixedly connected to a limiting plate, the limiting plates inside the adjusting frame cooperate with each other to form an adjustment slide, a wiring port is opened on one side of the adjusting head, a cable connector is provided at one end of the wiring port, and a positioning rod is threadedly connected to the surface of the positioning plate. The utility model has the following effects: an adjustment slide is formed by the mutual cooperation of multiple limiting plates in the adjustment frame, and then the adjustment head is moved and adjusted in the adjustment slide through the sliding groove on the surface of the adjustment head, so that the transformer outlet position can be flexibly adjusted according to the actual layout of the load in the distribution cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an outlet line structure of a distribution transformer for a box transformer. Background Art

[0002] In the current box-type substation application, the distribution transformer is a key component of power distribution, and its outgoing line structure design is directly related to the flexibility, safety and maintenance convenience of the entire substation. The outgoing line structure of traditional box-type distribution transformers mostly adopts a fixed layout mode, that is, the position of the outgoing line interface is pre-set and fixed. This design can meet the basic power distribution needs in the initial installation stage, but it exposes a series of limitations in the actual operation and maintenance process.

[0003] Specifically, the transformer outgoing wires in the prior art are usually directly fixed to the transformer housing or the inner wall of the substation box, resulting in relatively fixed outgoing wire paths and terminal connection points. When the internal layout of the distribution cabinet is adjusted in response to actual power demand, such as when the position of the load equipment changes or new loads are added, it is difficult to adapt to these changes because the outgoing wire holes and cable directions have been pre-set. Therefore, it is often necessary to open additional holes on the box partitions to rearrange the cable directions. This process is not only cumbersome and time-consuming, but may also damage the structural strength of the box and increase safety hazards. In addition, the fixed outgoing wire structure limits the flexibility of the site. When the load configuration needs to be adjusted to optimize the power distribution efficiency or respond to emergencies, there is a lack of effective means to respond quickly. Especially in scenarios where frequent adjustments or upgrades are required, the fixed outgoing wire design undoubtedly increases the complexity and cost of operation and maintenance. No effective solution has been proposed for the problems in the related technology. Therefore, it is necessary to propose an outgoing wire structure for a distribution transformer for a box transformer. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes an outgoing line structure of a distribution transformer for a box-type transformer to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A distribution transformer outlet structure for a box-type transformer comprises a box body, a transformer body is fixedly installed inside the box body, a wiring board is fixedly installed on one side surface of the transformer body, a cable is fixedly connected to the surface of the wiring board, an adjusting head is fixedly connected to the end of the cable, a sliding groove is opened on the surface of the adjusting head, a cable arrangement port is opened on one side of the surface of the box body, an adjusting frame is fixedly installed in the cable arrangement port, each surface inside the adjusting frame is fixedly connected to a limit plate, the limit plates inside the adjusting frame cooperate with each other to form an adjusting slideway, a wiring port is opened on one side of the adjusting head, a cable connector is arranged at one end of the wiring port, a positioning plate is fixedly connected to one side of the surface of the adjusting head, a positioning rod is threadedly connected to the surface of the positioning plate, and a fixed connection mechanism is arranged inside the cable connector and the wiring port.

[0007] Furthermore, in order to achieve a fixed connection between the cable connector and the wiring port, the fixed connection mechanism includes a cable core inside the cable connector, an elastic limiting claw is connected around the surface of the cable core, a wiring threaded tube is slidably installed on the surface of the cable connector, an insulating extrusion ring is slidably installed on one side of the cable core, the insulating extrusion ring is fixedly connected to the inner wall of the wiring threaded tube, a wiring head is fixedly connected to the inside of the wiring port, a connecting thread is opened on one side surface of the adjusting head, and the connecting thread cooperates with the inner thread of the wiring threaded tube.

[0008] Furthermore, in order to achieve fixed installation between the adjustment frame and the box body, the upper and lower ends of the adjustment frame are fixedly connected to the mounting frame, and a clamping threaded rod is threadedly connected to the surface of one side of the mounting frame, one end of the clamping threaded rod is fixedly connected to the clamping plate, and the other end is fixedly connected to the twisting rod.

[0009] Furthermore, in order to facilitate the rotation adjustment of the positioning rod, one end of the positioning rod is fixedly connected to the twisting rod 2, and the other end is fixedly connected to the rubber sleeve.

[0010] Furthermore, in order to facilitate opening and maintenance of the box, an inspection door is rotatably installed on one side surface of the box.

[0011] Furthermore, in order to realize the installation of a low-voltage distribution cabinet and a high-voltage distribution cabinet inside the box, a low-voltage box is fixedly connected to one side of the box, and a high-voltage box is fixedly connected to the other side.

[0012] Furthermore, in order to achieve the mobility of the box, a movable pulley is fixedly installed on the bottom of the box.

[0013] The beneficial effects of the utility model are as follows: through the mutual cooperation of multiple limit plates in the adjustment frame fixedly installed on one side of the box body, an adjustment slide is formed in the cable outlet, and through the limited sliding of the adjustment head in the adjustment slide, the adjustment head is moved to the position where the wiring is required, and then fixedly connected with the cable connector, so that the transformer outlet position can be flexibly adjusted according to the actual layout of the load in the distribution cabinet. The flexible outlet structure adjustment capability can more reasonably plan the cable path, reduce unnecessary cable length and redundancy, optimize space utilization, and promote the high efficiency of power transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the surface structure of an outgoing line structure of a distribution transformer for a box-type transformer according to an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of a box in an outgoing line structure of a distribution transformer for a box-type transformer according to an embodiment of the utility model.

[0017] Figure 3 It is an internal side view of a box body in an outgoing line structure of a distribution transformer for a box-type transformer according to an embodiment of the utility model;

[0018] Figure 4 yes Figure 3 The enlarged schematic diagram at A in the middle;

[0019] Figure 5 The utility model is a schematic diagram of the internal cross-sectional structure of a fixed connection mechanism in the outgoing line structure of a distribution transformer for a box-type transformer according to an embodiment of the present utility model.

[0020] In the figure:

[0021] 1. Box body; 2. Transformer body; 3. Terminal block; 4. Cable; 5. Adjustment head; 6. Sliding groove; 7. Cable outlet; 8. Adjustment frame; 9. Limit plate; 10. Adjustment slide; 11. Wiring port; 12. Cable connector; 13. Positioning plate; 14. Positioning rod; 15. Fixed connection mechanism; 1501. Cable core; 1502. Elastic limit claw; 1503. Wiring threaded tube; 1504. Insulating extrusion ring; 1505. Wiring head; 1506. Connecting thread; 16. Mounting frame; 17. Clamping threaded rod; 18. Clamping plate; 19. Twist rod one; 20. Twist rod two; 21. Rubber sleeve; 22. Inspection door; 23. Low voltage box; 24. High voltage box; 25. Moving pulley. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] According to an embodiment of the utility model, a distribution transformer outgoing line structure for a box-type transformer is provided.

[0024] Embodiment 1:

[0025] like Figure 1-Figure 5 As shown, according to an embodiment of the utility model, a distribution transformer outlet structure for a box-type transformer comprises a metal rectangular box body 1, a transformer body 2 is fixedly installed inside the box body 1, a terminal block 3 is fixedly installed on one side surface of the transformer body 2, a cable 4 is fixedly connected to the surface of the terminal block 3, and the number of the cable 4 is three; a cylindrical adjusting head 5 is fixedly connected to the end of the cable 4, a sliding groove 6 is opened in the middle position of the surface of the adjusting head 5, a cable arrangement port 7 is opened on one side of the surface of the box body 1, a rectangular adjusting frame 8 is fixedly installed in the cable arrangement port 7, and a plurality of limit plates 9 are fixedly connected to each surface of the adjusting frame 8, and the limit plates 9 inside the adjusting frame 8 cooperate with each other. The gap between the plates 9 forms an adjusting slide 10, and the adjusting head 5 is slidably installed in the adjusting slide 10 through the sliding groove 6 on the surface, which is used for active adjustment of the position of the adjusting head 5; a wiring port 11 is provided on one side of the adjusting head 5 for connecting the cable 4; a cable connector 12 is provided at one end of the wiring port 11, and a positioning plate 13 is fixedly connected to one side of the surface of the adjusting head 5, and a positioning rod 14 is threadedly connected to the surface of the positioning plate 13, and the positioning rod 14 is screwed to squeeze the limit plate 9 after twisting the positioning rod 14, so as to achieve fixed limit of the adjusting head 5 in the adjusting slide 10; a fixed connection mechanism 15 is provided inside the cable connector 12 and the wiring port 11, which is used to fix the cable connector 12 to the wiring port 11.

[0026] like Figure 1-Figure 5 As shown, the fixed connection mechanism 15 includes a cable core 1501 inside the cable connector 12, a plurality of elastic limit claws 1502 made of conductive material are connected around the surface of the cable core 1501, a wiring threaded tube 1503 is slidably installed on the surface of the cable connector 12, an insulating extrusion ring 1504 is slidably installed on one side of the cable core 1501, and the insulating extrusion ring 1504 is fixedly connected to the inner wall of the wiring threaded tube 1503, a wiring head 1505 is fixedly connected to the inside of the wiring port 11, and a connection threaded tube 1503 is provided on one side of the adjusting head 5. The thread 1506 of the connection thread 1506 is matched with the internal thread of the wiring thread tube 1503. After the cable core 1501 in the cable connector 12 and the terminal head 1505 are connected to each other, the wiring thread tube 1503 is twisted to move and install it on the surface of the adjustment head 5. The wiring thread tube 1503 drives the insulating extrusion ring 1504 to move, and presses the elastic limiting claw 1502 on the surface of the cable core 1501, so that the end of the elastic limiting claw 1502 is stuck at one end of the terminal head 1505, preventing the terminal head 1501 from being stuck. 5 and the connection with the cable core 1501 is disconnected; the upper and lower ends of the adjustment frame 8 are fixedly connected with the mounting frame 16, and the surface of one side of the mounting frame 16 is threadedly connected with a clamping threaded rod 17, one end of the clamping threaded rod 17 is fixedly connected with a clamping plate 18, and the other end is fixedly connected with a twisting rod 19, and the clamping threaded rod 17 is rotated by twisting the rod 19, so that the clamping threaded rod 17 drives the clamping plate 18 to squeeze and clamp the edge of the box body 1, so that the adjustment frame 8 is fixedly installed in the cable outlet 7; one end of the positioning rod 14 is fixedly connected with Twist rod 20 for facilitating the rotation of positioning rod 14, and the other end is fixedly connected with a rubber sleeve 21 for increasing the friction between positioning rod 14 and limiting plate 9; an inspection door 22 is rotatably installed on the surface of one side of box body 1 for opening box body 1 for inspection of the interior; a low-voltage box 23 is fixedly connected to one side of box body 1, and a high-voltage box 24 is fixedly connected to the other side for installing low-voltage distribution cabinet and high-voltage distribution cabinet in box body 1; a movable pulley 25 is fixedly installed at the bottom of box body 1 for realizing the mobility of box body 1.

[0027] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0028] In summary, with the aid of the above technical solution of the utility model, through the mutual cooperation of multiple limit plates 9 in the adjustment frame 8 fixedly installed on one side of the box body 1, an adjustment slide 10 is formed in the cable outlet 7, which is used for adjusting the movement of the adjustment head 5 in the cable outlet 7. After the adjustment head 5 is moved to the corresponding load cable connector 12 to be connected, the cable core 1501 in the cable connector 12 is connected to the wiring head 1505. After the wiring threaded tube 1503 is twisted to move it on the surface of the adjustment head 5, the wiring threaded tube 1503 drives the insulating extrusion ring 1504 to move, and the cable core 1501 is connected to the wiring head 1505. The elastic limiting claw 1502 on the surface of 1501 is pressed so that the end of the elastic limiting claw 1502 is stuck at one end of the terminal head 1505 to prevent the connection between the terminal head 1505 and the cable core 1501 from falling off. After the fixed connection between the terminal port 11 and the cable connector 12 is achieved, the positioning rod 14 on the surface of the positioning plate 13 is rotated by twisting the rod 20, so that the positioning rod 14 moves and squeezes the limiting plate 9 above the adjusting head 5. The friction between the rubber sleeve 21 at the end of the positioning rod 14 and the limiting plate 9 is used to achieve the fixed installation of the adjusting head 5 and the cable connector 12 after the wiring is arranged.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A distribution transformer outgoing line structure for a box-type transformer, characterized in that: The invention comprises a box (1), a transformer body (2) is fixedly installed inside the box (1), a wiring board (3) is fixedly installed on one side surface of the transformer body (2), a cable (4) is fixedly connected to the surface of the wiring board (3), an adjustment head (5) is fixedly connected to the end of the cable (4), a sliding groove (6) is provided on the surface of the adjustment head (5), a cable outlet (7) is provided on one side of the surface of the box (1), an adjustment frame (8) is fixedly installed in the cable outlet (7), and the inside of the adjustment frame (8) Each surface is fixedly connected to a limit plate (9); the limit plates (9) inside the adjustment frame (8) cooperate with each other to form an adjustment slideway (10); a wiring port (11) is opened on one side of the adjustment head (5); a cable connector (12) is provided at one end of the wiring port (11); a positioning plate (13) is fixedly connected to one side of the surface of the adjustment head (5); a positioning rod (14) is threadedly connected to the surface of the positioning plate (13); and a fixed connection mechanism (15) is provided inside the cable connector (12) and the wiring port (11).

2. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: The fixed connection mechanism (15) comprises a cable core (1501) inside the cable connector (12); the surface of the cable core (1501) is connected with an elastic limiting claw (1502) around it; a wiring threaded tube (1503) is slidably mounted on the surface of the cable connector (12); an insulating extrusion ring (1504) is slidably mounted on one side of the cable core (1501); the insulating extrusion ring (1504) is fixedly connected to the inner wall of the wiring threaded tube (1503); a wiring head (1505) is fixedly connected to the inside of the wiring port (11); a connecting thread (1506) is formed on one side of the surface of the adjusting head (5); the connecting thread (1506) matches the inner thread of the wiring threaded tube (1503).

3. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: The upper and lower ends of the adjustment frame (8) are fixedly connected to a mounting frame (16); a clamping threaded rod (17) is threadedly connected to a surface of one side of the mounting frame (16); one end of the clamping threaded rod (17) is fixedly connected to a clamping plate (18) and the other end is fixedly connected to a twisting rod (19).

4. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: One end of the positioning rod (14) is fixedly connected to a second twisting rod (20), and the other end is fixedly connected to a rubber sleeve (21).

5. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: An inspection door (22) is rotatably mounted on one side surface of the box body (1).

6. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: A low-pressure box (23) is fixedly connected to one side of the box body (1), and a high-pressure box (24) is fixedly connected to the other side.

7. The outgoing line structure of a distribution transformer for a box-type transformer according to claim 1 is characterized in that: A movable pulley (25) is fixedly mounted on the bottom of the box body (1).

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