Telescopic protection device for voltage transformer

Abstract

The utility model belongs to the field of protection equipment, and particularly relates to a telescopic protection device of a voltage transformer, which comprises a fixed seat, a support component, a cross rod and protection components, the support component is arranged between the cross rod and the fixed seat, the protection components are arranged on two sides of the cross rod, the support component comprises a support seat, a guide groove and a guide seat, and the guide seat is arranged in the support seat. The supporting seat is fixedly installed on the top of the fixing seat, the guide groove is formed in the top of the supporting seat, a guide seat fixedly connected with the cross rod is installed in the guide groove in a sliding mode, the protection assembly comprises a main protection shell and an auxiliary protection shell, the main protection shell is connected with the cross rod through a connecting mechanism, and the auxiliary protection shell is installed in the main protection shell in a sliding mode. The voltage transformer protection device is reasonable in design, the distance between the protection assemblies can be adjusted, corresponding adjustment can be made according to the actual use condition of a voltage transformer through stretching and retracting of the main protection shell and the auxiliary protection shell, and protection is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of protection equipment, in particular to a retractable protection device for a voltage transformer. Background Art

[0002] Voltage transformers are similar to transformers and are instruments used to transform the voltage on a line. Traditional voltage transformers have relatively few protection measures, and simply isolate the voltage transformer as a whole for protection.

[0003] At present, a Chinese patent announcement with announcement number CN109192483B discloses a retractable voltage transformer protection device, including a voltage transformer and a drive protective shell, the voltage transformer including a first carrier plate, a transformer connector storage tube and a transformer connector, a first carrier plate is fixedly installed at a lower center position on one side of the voltage transformer, a drive protective shell is fixedly installed at the middle of the upper end of the first carrier plate, a plurality of heat dissipation holes are fixedly provided on one side of the drive protective shell, and the plurality of heat dissipation holes are equidistantly distributed on a panel on one side of the drive protective shell, a screw rod is provided at the upper end of the drive protective shell, a fixed column is fixedly connected to a circular position on the upper end of the screw rod, and a connector is provided at the upper end of the fixed column.

[0004] In actual use, it is found that the distance between the two protective shells is fixed. When the distances between the connectors of different voltage transformers are different, different voltage transformers cannot be used. Moreover, when the protective shell moves upward, the bottom of the connector of the voltage transformer lacks protection, which affects the protection efficiency. Therefore, we propose a retractable voltage transformer protection device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a retractable voltage transformer protection device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A retractable voltage transformer protection device comprises a fixing seat, a supporting assembly, a cross bar and a protection assembly, wherein the supporting assembly is arranged between the cross bar and the fixing seat, and the protection assembly is arranged on both sides of the cross bar;

[0008] The support assembly includes a support seat, a guide groove and a guide seat, wherein the support seat is fixedly mounted on the top of the fixed seat, the guide groove is provided on the top of the support seat, and a guide seat fixedly connected to the cross bar is slidably mounted in the guide groove;

[0009] The protective assembly comprises a main protective shell and a secondary protective shell. The main protective shell is connected to the cross bar through a connecting mechanism. The secondary protective shell is slidably installed in the main protective shell. A sliding mechanism is provided between the secondary protective shell and the main protective shell.

[0010] Preferably, the sliding mechanism comprises a moving groove and a moving seat, the moving groove is provided on the inner wall of the main protective shell, and a moving seat fixedly connected to the auxiliary protective shell is slidably mounted in the moving groove.

[0011] Preferably, a plurality of connection seats are fixedly mounted on the inner wall of the main protective shell, a fixed spring is fixedly mounted on the bottom of the connection seat, and the bottom end of the fixed spring is fixedly mounted on the movable seat.

[0012] Preferably, the connecting mechanism comprises a rectangular groove and a rectangular rod, wherein the rectangular groove is opened on both sides of the cross bar, and the rectangular rod is slidably installed in the rectangular groove, and the rectangular rod is fixedly connected to the main protective shell.

[0013] Preferably, a plurality of fixing grooves are formed on the top of the rectangular rod, bolt holes are formed on the inner walls of the tops of the rectangular grooves, and fixing bolts matching the fixing grooves are threadedly installed in the bolt holes.

[0014] Preferably, a same fixing plate is fixedly installed on one side of the two support seats close to each other, a rotating seat is rotatably installed on the fixing plate, a threaded hole is opened on the rotating seat, a driving screw is threadedly installed in the threaded hole, and the top end of the driving screw is fixedly connected to the cross bar.

[0015] Preferably, a mounting plate is fixedly mounted on one side of the support seat, a rotating motor is fixedly mounted on the mounting plate, a driving gear is fixedly mounted on the output shaft of the rotating motor, a driven gear is fixedly mounted on the rotating seat, and the driving gear is meshed with the driven gear.

[0016] Preferably, a rotating hole is opened on the fixed plate, the rotating seat is rotatably connected to the rotating hole, and a limiting plate is fixedly installed on the bottom end of the driving screw.

[0017] Beneficial effects of the utility model:

[0018] 1. Through the cooperation of fixing bolts, bolt holes and fixing grooves, the rectangular rod can be fixed and released. By moving the rectangular rod, the rectangular rod can drive the main protective shell to move, so as to adjust the distance between the two main protective shells, so as to adapt to different voltage transformers;

[0019] 2. The fixing base is fixedly installed on the voltage transformer so that the main protective shell and the auxiliary protective shell are mounted on the connector of the voltage transformer, thereby achieving the purpose of protection. Through the cooperation of the rotating motor, the driving gear, the driven gear and the rotating base, the rotating base drives the driving screw to move upward through the threaded groove, and the driving screw can drive the cross bar and the main protective shell to move upward, so as to protect the connectors of voltage transformers at different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of a retractable voltage transformer protection device proposed by the utility model;

[0021] Figure 2 A schematic cross-sectional three-dimensional structure diagram of a retractable voltage transformer protection device proposed by the utility model;

[0022] Figure 3 This is a schematic structural diagram of part A of a retractable voltage transformer protection device proposed by the utility model;

[0023] Figure 4 This is a schematic structural diagram of part B of a retractable voltage transformer protection device proposed by the utility model.

[0024] In the figure: 1. fixed seat; 2. support assembly; 201. support seat; 202. guide groove; 203. guide seat; 3. cross bar; 4. main protective shell; 5. auxiliary protective shell; 6. movable groove; 7. movable seat; 8. fixed spring; 9. connecting seat; 10. rectangular groove; 11. rectangular rod; 12. fixed groove; 13. bolt hole; 14. fixing bolt; 15. fixing plate; 16. rotating seat; 17. threaded hole; 18. driving screw; 19. mounting plate; 20. rotating motor; 21. driving gear; 22. driven gear. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0026] Reference Figure 1-4 A retractable voltage transformer protection device comprises a fixed seat 1, a support assembly 2, a cross bar 3 and a protection assembly, a support assembly 2 is provided between the cross bar 3 and the fixed seat 1, the protection assembly is arranged on both sides of the cross bar 3, the support assembly 2 comprises a support seat 201, a guide groove 202 and a guide seat 203, the support seat 201 is fixedly installed on the top of the fixed seat 1, the guide groove 202 is opened on the top of the support seat 201, and the guide seat 203 fixedly connected to the cross bar 3 is slidably installed in the guide groove 202, the protection assembly comprises a main protective shell 4 and a secondary protective shell 5, the main protective shell 4 is connected to the cross bar 3 through a connecting mechanism, the secondary protective shell 5 is slidably installed in the main protective shell 4, a sliding mechanism is provided between the secondary protective shell 5 and the main protective shell 4, and the purpose of telescoping the protection assembly can be achieved by providing the main protective shell 4 and the secondary protective shell 5.

[0027] In this embodiment, the sliding mechanism includes a moving groove 6 and a moving seat 7. The moving groove 6 is opened on the inner wall of the main protective shell 4. The moving seat 7 fixedly connected to the secondary protective shell 5 is slidably installed in the moving groove 6. A plurality of connecting seats 9 are fixedly installed on the inner wall of the main protective shell 4. A fixed spring 8 is fixedly installed at the bottom of the connecting seat 9. The bottom end of the fixed spring 8 is fixedly installed on the moving seat 7. By providing the fixed spring 8, the fixed spring 8 can squeeze the secondary protective shell 5 downward.

[0028] In this embodiment, the connecting mechanism includes a rectangular groove 10 and a rectangular rod 11. The rectangular groove 10 is opened on both sides of the cross bar 3. The rectangular rod 11 is slidably installed in the rectangular groove 10. The rectangular rod 11 is fixedly connected to the main protective shell 4. By providing the rectangular rod 11, the purpose of adjusting the main protective shell 4 can be achieved. A plurality of fixing grooves 12 are opened on the top of the rectangular rod 11. Bolt holes 13 are opened on the inner wall of the top of the rectangular groove 10. The inner thread of the bolt hole 13 is installed with a fixing bolt 14 compatible with the fixing groove 12. By providing the fixing groove 12 and the fixing bolt 14, the purpose of fixing and releasing the rectangular rod 11 can be achieved.

[0029] In this embodiment, the same fixing plate 15 is fixedly installed on one side of the two support seats 201 close to each other, and a rotating seat 16 is rotatably installed on the fixing plate 15. A threaded hole 17 is opened on the rotating seat 16, and a driving screw 18 is installed in the threaded hole 17. The top of the driving screw 18 is fixedly connected to the cross bar 3. A mounting plate 19 is fixedly installed on one side of the support seat 201, and a rotating motor 20 is fixedly installed on the mounting plate 19. A driving gear 21 is fixedly installed on the output shaft of the rotating motor 20, and a driven gear 22 is fixedly installed on the rotating seat 16. , and the driving gear 21 is meshed with the driven gear 22, a rotating hole is opened on the fixed plate, the rotating seat 16 is rotatably connected with the rotating hole, and a limit plate is fixedly installed on the bottom end of the driving screw 18. By starting the rotating motor 20, through the cooperation of the driving gear 21 and the driven gear 22, the rotating motor 20 can drive the rotating seat 16 to rotate, and the rotating seat 16 drives the driving screw 18 to move upward through the threaded groove. The driving screw 18 can drive the cross bar 3 and the main protective shell 4 to move upward, and can protect the connectors of voltage transformers at different heights.

[0030] In the utility model, by rotating the fixing bolt 14, under the action of the bolt hole 13, the fixing bolt 14 can be screwed into or out of the fixing groove 12, so that the rectangular rod 11 can be fixed and released. By moving the rectangular rod 11, the rectangular rod 11 can drive the main protective shell 4 to move, so as to achieve the purpose of adjusting the distance between the two main protective shells 4, so as to adapt to different voltage transformers. The fixing seat 1 is fixedly installed on the voltage transformer, so that the main protective shell 4 and the auxiliary protective shell 5 are mounted on the connecting head of the voltage transformer, so as to achieve the purpose of protection. By starting the rotating motor 20, through the cooperation of the driving gear 21 and the driven gear 22, the rotating motor 20 can drive the rotating seat 16 to rotate, and the rotating seat 16 drives the driving screw 18 to move upward through the threaded groove. The driving screw 18 can drive the cross bar 3 and the main protective shell 4 to move upward, and the connecting heads of voltage transformers of different heights can be protected.

[0031] The above is a detailed introduction to a retractable voltage transformer protection device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A retractable voltage transformer protection device, characterized in that: It comprises a fixing seat (1), a supporting assembly (2), a crossbar (3) and a protection assembly, wherein the supporting assembly (2) is arranged between the crossbar (3) and the fixing seat (1), and the protection assembly is arranged on both sides of the crossbar (3); The support assembly (2) comprises a support seat (201), a guide groove (202) and a guide seat (203); the support seat (201) is fixedly mounted on the top of the fixed seat (1); the guide groove (202) is provided on the top of the support seat (201); and the guide seat (203) fixedly connected to the crossbar (3) is slidably mounted in the guide groove (202); The protective assembly comprises a main protective shell (4) and a secondary protective shell (5); the main protective shell (4) is connected to the cross bar (3) via a connecting mechanism; the secondary protective shell (5) is slidably installed in the main protective shell (4); and a sliding mechanism is provided between the secondary protective shell (5) and the main protective shell (4).

2. A retractable voltage transformer protection device according to claim 1, characterized in that: The sliding mechanism comprises a moving groove (6) and a moving seat (7); the moving groove (6) is arranged on the inner wall of the main protective shell (4); and a moving seat (7) fixedly connected to the auxiliary protective shell (5) is slidably mounted in the moving groove (6).

3. A retractable voltage transformer protection device according to claim 2, characterized in that: A plurality of connection seats (9) are fixedly mounted on the inner wall of the main protective shell (4), a fixed spring (8) is fixedly mounted on the bottom of the connection seat (9), and the bottom end of the fixed spring (8) is fixedly mounted on the movable seat (7).

4. A retractable voltage transformer protection device according to claim 1, characterized in that: The connecting mechanism comprises a rectangular groove (10) and a rectangular rod (11); the rectangular groove (10) is provided on both sides of the cross bar (3); a rectangular rod (11) is slidably installed in the rectangular groove (10); and the rectangular rod (11) is fixedly connected to the main protective shell (4).

5. A retractable voltage transformer protection device according to claim 4, characterized in that: The top of the rectangular rod (11) is provided with a plurality of fixing grooves (12), the top inner wall of the rectangular groove (10) is provided with a bolt hole (13), and the bolt hole (13) is internally threaded with a fixing bolt (14) that matches the fixing groove (12).

6. A retractable voltage transformer protection device according to claim 1, characterized in that: A same fixing plate (15) is fixedly installed on one side of the two supporting seats (201) close to each other, a rotating seat (16) is rotatably installed on the fixing plate (15), a threaded hole (17) is opened on the rotating seat (16), a driving screw (18) is installed in the threaded hole (17), and the top end of the driving screw (18) is fixedly connected to the cross bar (3).

7. A retractable voltage transformer protection device according to claim 6, characterized in that: A mounting plate (19) is fixedly mounted on one side of the support seat (201), a rotating motor (20) is fixedly mounted on the mounting plate (19), a driving gear (21) is fixedly mounted on the output shaft of the rotating motor (20), a driven gear (22) is fixedly mounted on the rotating seat (16), and the driving gear (21) is meshed with the driven gear (22).

8. A retractable voltage transformer protection device according to claim 6, characterized in that: The fixed plate (15) is provided with a rotation hole, the rotation seat (16) is rotationally connected to the rotation hole, and a limit plate is fixedly mounted on the bottom end of the driving screw rod (18).

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