Insulating shield for transformer

Abstract

The utility model discloses an insulating shield for a transformer, which belongs to the technical field of transformer protection equipment and comprises a protection box body, the protection box body comprises a fixed box body, movable box bodies are arranged on the left side and the right side of the fixed box body, and a driving mechanism for driving the movable box bodies is arranged at the bottom of the fixed box body. Heat dissipation holes are formed in the left side and the right side of the movable box body, first baffles are arranged on the outer sides of the heat dissipation holes, a top plate is arranged on the top face of the protection box body, a first protection sleeve and a second protection sleeve are detachably arranged on the top plate, a mounting frame is arranged above the top plate, and a mounting base is further arranged on the top face of the top plate; the mounting frame is connected with the mounting base through supporting rods, a plurality of supporting frames are arranged on the top face of the mounting frame, and a second baffle is arranged above the supporting frames. The protective box body is arranged on the outer side of the transformer body, so that electric shock caused by accidental touch of passersby or damage to the transformer due to impact of birds and sundries can be prevented, and the safety of the transformer is effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer protection equipment, in particular to an insulating shield for a transformer. Background Art

[0002] like Figure 1 As shown, it is a schematic diagram of the installation of a transformer in the prior art. The transformer is installed outdoors. If it is accidentally touched, an electric shock accident may easily occur. The transformer may be damaged by a bird strike or flying debris in windy weather. The existing transformer insulation cover is generally installed on the terminal block to cover the terminal block as a whole. Such an insulation cover can only protect the terminal block, but cannot protect the transformer as a whole, and the protection performance is limited. Utility Model Content

[0003] The utility model aims to provide an insulating shield for a transformer, so as to solve the problem that the existing insulating shield for the transformer is generally installed on the wiring terminal to cover the wiring terminal as a whole, such insulating shield can only protect the wiring terminal but cannot protect the transformer as a whole, and the protection performance is limited.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an insulating shield for a transformer, comprising a protective box, wherein the protective box comprises a fixed box, movable boxes are arranged on the left and right sides of the fixed box, a driving mechanism for driving the movable box is arranged on the bottom of the fixed box, heat dissipation holes are arranged on the left and right sides of the movable box, a first baffle is arranged on the outer side of the heat dissipation holes, a top plate is arranged on the top surface of the protective box, a first protective sleeve and a second protective sleeve are detachably arranged on the top plate, a mounting frame is arranged above the top plate, a mounting seat is also arranged on the top surface of the top plate, the mounting frame is connected to the mounting seat through a supporting rod, a plurality of supporting frames are arranged on the top surface of the mounting frame, and a second baffle is arranged above the supporting frame.

[0006] Furthermore, the left and right sides of the fixed box are provided with mounting grooves matching the movable box, the bottom of the fixed box is provided with a mounting cavity, and the driving mechanism is arranged in the mounting cavity.

[0007] Furthermore, the driving mechanism includes a rotating shaft, which is rotatably installed in the installation cavity, and the bottom of the rotating shaft extends to the bottom of the fixed box body. A first bevel gear is installed on the rotating shaft, and threaded rods are horizontally arranged on the left and right sides of the rotating shaft. A threaded hole matching the threaded rod is opened at the bottom of the movable box body, and a second bevel gear meshing with the first bevel gear is installed on the threaded rod.

[0008] Furthermore, a slide rail is arranged in the installation cavity, and a sliding block matching the slide rail is arranged on the bottom surface of the movable box.

[0009] Furthermore, the number of the mounting seats is set to two, and the two mounting seats are arranged in parallel front and back.

[0010] Furthermore, each of the mounting seats is provided with two support rods, and the two support rods and the crossbeam of the mounting frame form a triangular structure.

[0011] Compared with the prior art, the beneficial technical effects of the utility model are:

[0012] The utility model arranges a protection box body on the outer side of the transformer body, which can prevent passers-by from accidentally touching and getting electric shocks, or birds and sundries from hitting the transformer and causing damage to the transformer, thereby effectively protecting the safety of the transformer; the protection box body is composed of a fixed box body and a movable box body, and the movable box body can be moved to both sides when the transformer body is installed, which is convenient for installing the transformer body; a first protection sleeve and a second protection sleeve are detachably installed on the top plate, and the high-voltage sleeve and the low-voltage sleeve are protected by the first protection sleeve and the second protection sleeve; a second baffle is arranged above the top plate, and the second baffle is arranged to shield the tops of the first protection sleeve and the second protection sleeve, so as to prevent rainwater or other objects from entering the first protection sleeve and the second protection sleeve, thereby providing overall safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a transformer in the prior art;

[0015] Figure 2 This is a front view of the insulating shield for the transformer of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the protective box of the utility model;

[0017] Figure 4 It is a cross-sectional view of the protective box of the utility model;

[0018] Figure 5 It is a cross-sectional view of another state of the protective box of the utility model;

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the top plate, the first protective sleeve and the second protective sleeve of the utility model;

[0020] Figure 7 It is a three-dimensional structural schematic diagram of the top plate, mounting seat, support rod, mounting frame and second baffle of the utility model.

[0021] Explanation of the accompanying drawings: 1. fixed box; 1-1. installation cavity; 1-2. installation groove; 2. movable box; 2-1. heat dissipation hole; 2-2. first baffle; 2-3. threaded hole; 3. rotating shaft; 4. first bevel gear; 5. threaded rod; 6. second bevel gear; 7. slide rail; 8. slide block; 9. top plate; 10. first protective sleeve; 11. second protective sleeve; 12. mounting seat; 13. support rod; 14. mounting frame; 15. support frame; 16. second baffle; 17. transformer body; 18. high-voltage bushing; 19. low-voltage bushing. DETAILED DESCRIPTION

[0022] like Figure 2-7 As shown, an insulating shield for a transformer includes a protective box, a transformer body 17 is installed in the protective box, the protective box includes a fixed box 1, movable boxes 2 are movably installed on the left and right sides of the fixed box 1, a driving mechanism for driving the movable box 2 is provided at the bottom of the fixed box 1, a plurality of heat dissipation holes 2-1 are opened on the left and right sides of the movable box 2, a first baffle 2-2 is connected on the outer wall of the movable box 2 and located on the outside of the heat dissipation hole 2-1, the first baffle 2-2 is set in an arc shape, which can prevent rainwater from entering the heat dissipation hole 2-1, the protective box is connected with a top plate 9 by bolts, and a first protective sleeve 10 and a second protective sleeve 11 are detachably provided on the top plate 9. Specifically, The top plate 9 is provided with a through hole matching the first protective sleeve 10 and the second protective sleeve 11, and the inner wall of the through hole is provided with an internal thread. The first protective sleeve 10 and the second protective sleeve 11 are provided with an external thread matching the internal thread. The first protective sleeve 10 and the second protective sleeve 11 are threadedly connected in the corresponding through holes on the top plate 9. The first protective sleeve 10 is sleeved on the outside of the high-voltage sleeve 18, and the second protective sleeve 11 is sleeved on the outside of the low-voltage sleeve 19. The high-voltage sleeve 18 and the low-voltage sleeve 19 are protected by the first protective sleeve 10 and the second protective sleeve 11; the fixed box body 1, the movable box body 2, the top plate 9, the first protective sleeve 10 and the second protective sleeve 11 are all made of insulating materials.

[0023] A mounting frame 14 is provided above the top plate 9, and a mounting seat 12 is also connected to the top surface of the top plate 9 by bolts. The mounting frame 14 is connected to the mounting seat 12 by a support rod 13. A plurality of support frames 15 are installed on the top surface of the mounting frame 14, and a second baffle 16 is installed above the support frame 15. Specifically, the number of the mounting seats 12 is set to two, and the two mounting seats 12 are arranged in parallel front and back; two support rods 13 are connected to each mounting seat 12, and the mounting frame 14 includes a front Two horizontal beams are arranged in parallel at the back, and multiple longitudinal beams are arranged in parallel on the upper part of the two horizontal beams. The two support rods 13 and the horizontal beams of the mounting frame 14 form a triangular structure; the upper part of the first protective sleeve 10 and the second protective sleeve 11 is shielded by setting a second baffle 16 to prevent rainwater or other objects from entering the first protective sleeve 10 and the second protective sleeve 11; in addition, a water leakage hole is opened on the bottom surface of the fixed box body 1. If rainwater enters the fixed box body 1, it can be discharged through the water leakage hole at the bottom.

[0024] like Figure 4 , 5 As shown, the left and right sides of the fixed box body 1 are provided with mounting grooves 1-2 matching the movable box body 2, the bottom of the fixed box body 1 is provided with a mounting cavity 1-1, and the driving mechanism is arranged in the mounting cavity 1-1; the driving mechanism includes a rotating shaft 3, the rotating shaft 3 is rotatably installed in the mounting cavity 1-1, the bottom of the rotating shaft 3 extends to the bottom of the fixed box body 1, the exposed end of the rotating shaft 3 is provided with a handle, the rotating shaft 3 is provided with a first bevel gear 4, the left and right sides of the rotating shaft 3 are horizontally provided with threaded rods 5, and the interior of the mounting cavity 1-1 is provided with a plurality of rotating shafts 3. A frame for supporting the threaded rod 5 is provided, and bearings are installed at the contact point between the threaded rod 5 and the frame, so that the threaded rod 5 can rotate normally while the frame supports the threaded rod 5. A threaded hole 2-3 matching the threaded rod 5 is provided at the bottom of the movable box 2, and a second bevel gear 6 meshing with the first bevel gear 4 is installed on the threaded rod 5; a slide rail 7 is installed in the installation cavity 1-1, and a slider 8 matching the slide rail 7 is installed on the bottom surface of the movable box 2. The slider 8 moves along the slide rail 7, making the movement process of the movable box 2 smoother.

[0025] When in use, the rotating shaft 3 is rotated, and the rotating shaft 3 drives the first bevel gear 4 to rotate. The rotation of the first bevel gear 4 drives the second bevel gear 6 to rotate. The rotation of the second bevel gear 6 drives the threaded rod 5 to rotate synchronously. During the rotation of the threaded rod 5, the movable box 2 is driven to move to both sides, so that the overall internal space of the protective box becomes larger, which facilitates the installation of the transformer body 17 in the protective box.

[0026] The installation process of the utility model is as follows:

[0027] First, the driving mechanism is used to drive the movable box body 2 to move to both sides, so that the overall internal space of the protective box body becomes larger, and the transformer body 17 is installed in the protective box body; then, the driving mechanism is used to drive the movable box body 2 to move closer to the fixed box body 1, so that the movable box body 2 returns to the original position; then, the top plate 9 is connected to the top surface of the protective box body by bolts, and the high-voltage bushing 18 and the low-voltage bushing 19 pass through the through holes on the top plate 9. After that, the first protective bushing 10 and the second protective bushing 11 are threadedly connected to the corresponding through holes on the top plate 9, and the high-voltage bushing 18 and the low-voltage bushing 19 are protected by the first protective bushing 10 and the second protective bushing 11; finally, the mounting seat 12 is installed on the top surface of the top plate 9, the support rod 13 is installed on the mounting seat 12, the mounting frame 14 is installed on the top of the support rod 13, and a plurality of support frames 15 are installed above the mounting frame 14, and the second baffle 16 is installed on the top surface of the plurality of support frames 15.

[0028] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An insulating shield for a transformer, characterized in that: The invention comprises a protective box, wherein the protective box comprises a fixed box (1), a movable box (2) is arranged on the left and right sides of the fixed box (1), a driving mechanism for driving the movable box (2) is arranged at the bottom of the fixed box (1), a heat dissipation hole (2-1) is arranged on the left and right sides of the movable box (2), a first baffle (2-2) is arranged on the outer side of the heat dissipation hole (2-1), a top plate (9) is arranged on the top surface of the protective box, a first protective sleeve (10) and a second protective sleeve (11) are detachably arranged on the top plate (9), a mounting frame (14) is arranged above the top plate (9), a mounting seat (12) is also arranged on the top surface of the top plate (9), the mounting frame (14) is connected to the mounting seat (12) through a supporting rod (13), a plurality of supporting frames (15) are arranged on the top surface of the mounting frame (14), and a second baffle (16) is arranged above the supporting frames (15).

2. The transformer insulation cover according to claim 1, characterized in that: The fixed box (1) is provided with mounting grooves (1-2) matching the movable box (2) on the left and right sides, the fixed box (1) is provided with a mounting cavity (1-1) at the bottom, and the driving mechanism is arranged in the mounting cavity (1-1).

3. The transformer insulation cover according to claim 2, characterized in that: The driving mechanism comprises a rotating shaft (3), the rotating shaft (3) is rotatably mounted in the mounting cavity (1-1), the bottom of the rotating shaft (3) extends to the bottom of the fixed housing (1), a first bevel gear (4) is mounted on the rotating shaft (3), threaded rods (5) are horizontally arranged on the left and right sides of the rotating shaft (3), a threaded hole (2-3) matching the threaded rod (5) is opened at the bottom of the movable housing (2), and a second bevel gear (6) meshing with the first bevel gear (4) is mounted on the threaded rod (5).

4. The insulating shield for transformer according to claim 3, characterized in that: A slide rail (7) is arranged in the installation cavity (1-1), and a sliding block (8) matching the slide rail (7) is arranged on the bottom surface of the movable box (2).

5. The transformer insulation cover according to claim 1, characterized in that: The number of the mounting seats (12) is set to two, and the two mounting seats (12) are arranged in parallel front and back.

6. The transformer insulation cover according to claim 5, characterized in that: Two support rods (13) are arranged on each mounting seat (12), and the two support rods (13) and the crossbeam of the mounting frame (14) form a triangular structure.

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