CN114899032A - A detachable solid-sealed pole for voltage transformer - Google Patents

Abstract

The invention relates to a detachable embedded pole for a voltage transformer, which comprises a general assembly type box seat, wherein the lower part of the general assembly type box seat is provided with a connecting seat; the front upper part of the general assembly type box base is hinged with a box door. The general assembly type box seat is rotatably connected with a rotating handle, the rotating handle is matched with a clamp assembly, and the clamp assembly is provided with a transmission rod; the right part of the general assembly type box seat is provided with a side extension frame, the extension frame is provided with a middle link rod through a bearing, the lower end of the middle link rod is connected with a distribution frame, the distribution frame is provided with a solid-sealed polar pole body, and the upper end of the middle link rod is provided with a round roller. The invention can control the T-shaped connecting column to automatically lift and slide back and forth, thereby relieving the fixed state of the solid-sealed polar pole in use and realizing automatic preliminary disassembly. The invention can control all the solid-sealed polar pole bodies to rotate at a constant angle, and achieves the effects of completing the disassembly and conveniently replacing a new solid-sealed polar pole with a new material.

Description

A detachable solid-sealed pole for voltage transformer

technical field

The invention relates to the field related to transformers, in particular to a detachable solid-sealed pole for a voltage transformer.

Background technique

The solid-sealed pole is installed on the upper end of the metal shell of the transformer, and is used to encapsulate the vacuum interrupter, or the vacuum interrupter, conductive connections and/or terminals with solid insulating materials. Most of the solid-sealed poles are used in harsh outdoor environments, so they are very easy to damage, requiring technical pairs to disassemble and replace with new solid-sealed poles.

The Chinese invention patent with the application number of 201210401697.4 discloses a detachable solid-sealing pole and its manufacturing method. The invention is detachable, which makes it possible to replace parts, greatly improves the utilization rate of parts, and helps enterprises to reduce production Costs improve economic efficiency. There is no need for expensive special equipment and auxiliary tooling during assembly, the process is simple, the complex coefficient is low, and the production efficiency is high. But specifically, how to disassemble, how to disassemble and the related steps and methods for replacement have not been disclosed in this technical solution, and no similar methods have been found in the traditional technology. The device or method for disassembling and replacing the sealing pole solves the problem of handling when the sealing pole is damaged.

SUMMARY OF THE INVENTION

Now, in order to meet the above-mentioned requirements for disassembling and replacing the solid-sealed pole, the present invention provides a detachable solid-sealed pole for a voltage transformer.

The technical problem to be solved by this invention adopts the following technical solutions to realize:

A detachable solid-sealing pole for a voltage transformer comprises an assembled box seat, the lower part of the assembled box seat is provided with a connecting seat; the front upper part of the assembled box seat is hingedly installed with a box door. The right end of the assembled box seat is open. The connection seat is provided with threaded holes, through which the assembled box seat can be installed on the metal shell of the transformer. The setting of the box door is to facilitate the manual maintenance of the internal equipment of the assembled box base.

As a further improvement of the present invention, a rotating handle is rotatably connected to the assembled box base, and the rotating handle can be conveniently held by manual hands for rotating operation. The rotary handle is equipped with a cape assembly, and the cape assembly is provided with a drive rod; a side extension frame is installed on the right part of the assembled box base, and a middle link rod is installed on the extension frame through a bearing, and the lower end of the middle link rod is connected with a distribution frame, which distributes A solid-sealed pole body is installed on the frame, and a round roller is installed on the upper end of the middle connecting rod. The cape assembly can control the round roller to rotate at a constant angle, so as to achieve the purpose of replacing the solid-sealing pole. The central link, the round roller and all the solid-sealed pole bodies can rotate synchronously.

As a further improvement of the present invention, the rotating handle is L-shaped to facilitate hand-held operation. The cape assembly also includes a thick cover plate installed in the assembled box base and a driving turret connected with the rotating handle; the rotating handle and the thick cover plate are connected by bearings. The front of the rotary handle passes through the middle of the thick cover.

As a further improvement of the present invention, the left end of the transmission rod is provided with an extension part; the driving turret is provided with a middle through groove for the middle part of the extension part to pass through, and the thick cover plate is provided with a rectangular groove for sliding installation of the rear end of the extension part . The cross section of the extension is square. When the rotary handle is manually rotated, the transmission rod can slide along the trajectory of the rectangular groove. The height of the rectangular slot can be set to 2 to 2.5 times that of the round roller.

As a further improvement of the present invention, four inclined grooves adapted to the transmission rod are evenly distributed on the circular arc surface of the round roller. When the transmission rod is lifting and sliding, its right end can pass through the inclined groove, so as to drive the round roller to rotate at a rated angle.

As a further improvement of the present invention, the central angle corresponding to each inclined groove is 90 degrees, that is, in every two adjacent inclined grooves, the upper end of one inclined groove and the lower end of the other inclined groove are located on the same vertical line on-line. Each inclined groove is communicated with the upper and lower ends of the round roller. This structure is a necessary condition for the drive rod to continuously cooperate with the inclined groove to control the rotation of the round roller.

As a further improvement of the present invention, four solid-sealed pole bodies are provided and distributed on the distribution frame in an annular manner. In principle, the number of solid-sealed pole bodies is set equal to the number of inclined grooves.

As a further improvement of the present invention, the lower end of each solid-sealed pole body is provided with two upper connection holes. The metal shell of the transformer is also provided with two corresponding lower connection holes. The position of the two upper connection holes and the two lower connection holes on the metal shell of the transformer are corresponding to the positions of the two upper connection holes by rotating the solid-sealing pole body, so as to facilitate the subsequent fixed installation of the two.

As a further improvement of the present invention, a U-shaped hanger is installed inside the assembled box base, and a motor and a horizontal guide rod are installed on the U-shaped hanger; The threaded lead screw is matched with an L-shaped hanger which is slidingly connected with the horizontal guide rod in the front and rear. That is, under the driving action of the screw nut, the L-shaped hanger can slide in the front and rear directions.

As a further improvement of the present invention, a hydraulic cylinder and a longitudinal guide rod are respectively installed on the L-shaped hanger; the hydraulic cylinder is connected with a U-shaped piece slidably connected with the longitudinal guide rod. That is, the U-shaped piece can be lifted and lowered under the drive of the hydraulic cylinder.

As a further improvement of the present invention, the front part of the U-shaped piece is provided with two bayonet openings, and a T-shaped connecting column adapted to the upper connecting hole is snap-fitted on each bayonet opening. The T-shaped connecting column can be inserted into the upper connecting hole and the lower connecting hole on the transformer, so as to realize the installation of the solid-sealed pole. However, the above-mentioned control of the lifting and the forward and backward movement of the T-shaped connecting column is to facilitate the replacement of the solid-sealed pole, wherein the solid-sealed pole body on the right side belongs to the individual in the working state.

The beneficial effects of the present invention are: the present invention can control the T-shaped connecting column to automatically lift and slide back and forth, thereby releasing the fixed state of the solid-sealing pole in use and realizing automatic preliminary disassembly. By controlling all the solid-sealed pole bodies to rotate at a constant angle, the effect of complete disassembly and convenient replacement and feeding of new solid-sealed poles is achieved. Moreover, the whole operation process is relatively labor-saving, and manual control is more convenient.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the three-dimensional schematic diagram 1 of the present invention after removing the assembled box seat, the connecting seat and the box door;

Fig. 3 is a partial enlarged view at I of Fig. 2;

Figure 4 is the second perspective view of the present invention after removing the assembled box seat, the connecting seat and the box door;

Fig. 5 is the partial enlarged view of II place of Fig. 4;

Fig. 6 is the structure diagram of U-shaped piece;

FIG. 7 is a structural diagram of a T-shaped connecting column.

In the figure: 1. Assembly box seat; 1a, connecting seat; 2, rotary handle; 3, drive rod; 3a, extension part; 4, extension frame; 5, middle connecting rod; 6, solid sealing pole body; 6a, upper connecting hole; 7, round roller; 7a, inclined groove; 8, thick cover plate; 8a, rectangular groove; 9, driving turret; 9a, middle through groove; 10, box door; 11, U-shaped hanger ;12, motor; 13, threaded screw; 14, L-shaped hanger; 15, hydraulic cylinder; 16, longitudinal guide rod; 17, U-shaped piece; 17a, bayonet; 18, T-shaped connecting column; 19, Distribution frame; 20. Horizontal guide rod.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described more clearly and completely below with reference to the accompanying drawings in the embodiments. Of course, the described embodiments are only a part of the present invention. Not all, based on this embodiment, other embodiments obtained by those skilled in the art without creative labor are all within the protection scope of the present invention.

As shown in FIG. 1 , a detachable solid-sealed pole for a voltage transformer is provided with an assembled box base 1 , and a connecting seat 1 a is arranged at the lower part of the assembled box base 1 ; Box door 10. The right end of the assembled box base 1 is in an open state. The connecting seat 1a is provided with threaded holes, through which the assembled box seat 1 can be installed on the metal shell of the transformer. The box door 10 is provided to facilitate manual maintenance of the internal equipment of the assembled box base 1 .

As shown in FIG. 2 and FIG. 4 , a rotating handle 2 is rotatably connected to the assembled box base 1 , and the rotating handle 2 can be conveniently held by a manual hand for rotating operation. The rotary handle 2 is equipped with a cape assembly, and the cape assembly is provided with a drive rod 3; a side extension frame 4 is installed on the right part of the assembled box base 1, and a middle link rod 5 is installed on the extension frame 4 through a bearing, and the middle link rod 5. A distribution frame 19 is connected to the lower end of the distribution frame 19, the fixed-sealed pole body 6 is installed on the distribution frame 19, and a round roller 7 is installed at the upper end of the middle link 5.

The cape assembly of the present invention can control the round roller 7 to rotate at a constant angle, so as to achieve the purpose of replacing the fixed-sealing pole.

The rotary handle 2 is L-shaped to facilitate hand-held operation. The cape assembly also includes a thick cover plate 8 installed in the assembled box base 1 and a driving turret 9 connected with the rotating handle 2; the rotating handle 2 and the thick cover plate 8 are connected by bearings. The front part of the rotary handle 2 passes through the middle part of the thick cover plate 8 .

As shown in Figures 2 and 3, the left end of the transmission rod 3 is provided with an extension part 3a; the driving turret 9 is provided with a middle through groove 9a for the middle part of the extension part 3a to pass through, and the thick cover plate 8 is provided with an extension part 9a for extending The rear end of the part 3a is slidably installed with a rectangular groove 8a. The cross section of the extension 3a is square.

In specific application, the present invention can make the transmission rod 3 slide along the track of the rectangular groove 8a by manually holding the rotary handle 2 and rotating. The height of the rectangular groove 8a may be set to be 2 to 2.5 times that of the round roller 7 .

As shown in FIG. 2 and FIG. 4 , four inclined grooves 7 a adapted to the transmission rod 3 are evenly distributed on the circular arc surface of the round roller 7 . When the transmission rod 3 is moving up and down, its right end can pass through the inclined groove 7a, so as to drive the round roller 7 to rotate at a rated angle.

The central angle corresponding to each inclined groove 7a is 90 degrees, that is, in every two adjacent inclined grooves 7a, the upper end of one inclined groove 7a and the lower end of the other inclined groove 7a are located on the same vertical line. Each of the inclined grooves 7 a communicates with the upper and lower ends of the round roller 7 . This structure is a necessary condition for the transmission rod 3 to be able to continuously cooperate with the inclined groove 7a to control the rotation of the round roller 7 .

The solid-sealed pole body 6 is provided with four and distributed on the distribution frame 19 in an annular manner. In principle, the number of the solid-sealed pole body 6 is set equal to the number of the inclined grooves 7a.

The lower end of each solid-sealed pole body 6 is provided with two upper connection holes 6a. The metal shell of the transformer is also provided with two corresponding lower connection holes. By rotating and sealing the pole body 6, the two upper connecting holes 6a correspond to the positions of the two lower connecting holes on the metal shell of the transformer, so as to facilitate the subsequent fixed installation of the two.

As shown in FIG. 5 , a U-shaped hanger 11 is installed inside the assembled box base 1, and a motor 12 and a horizontal guide rod 20 are installed on the U-shaped hanger 11; the motor 12 is connected with a threaded screw 13, and the threaded screw The rod 13 is mounted on the U-shaped hanger 11 through a bearing; the threaded screw 13 is matched with an L-shaped hanger 14 that is slidingly connected with the horizontal guide rod 20 in front and rear. That is, under the driving action of the screw nut, the L-shaped hanger 14 can slide in the front-rear direction.

As shown in FIGS. 5 to 7 , a hydraulic cylinder 15 and a longitudinal guide rod 16 are respectively installed on the L-shaped hanger 14 ; That is, the U-shaped piece 17 can be moved up and down under the driving of the hydraulic cylinder 15 .

The front part of the U-shaped piece 17 is provided with two bayonet openings 17a, and each bayonet opening 17a is fitted with a T-shaped connecting column 18 which is adapted to the upper connecting hole 6a.

In the present invention, the designed T-shaped connecting post 18 can be inserted into the upper connecting hole 6a and the lower connecting hole on the transformer, so as to realize the installation of the fixed-sealed pole. However, by controlling the lifting and forward movement of the T-shaped connecting post 18 above, it is to facilitate the replacement of the solid-sealing pole, wherein the solid-sealing pole body 6 on the right side belongs to the individual in the working state.

In the initial state, the T-shaped connection post 18 is inserted into the upper connection hole 6a of the solid-sealed pole body 6 on the right side and the lower connection hole of the metal shell of the transformer, that is, the solid-sealed pole body 6 is in working use. state.

When the solid-sealed pole body 6 in the working state is damaged and needs to be replaced, it only needs to be completed through the following steps:

S1: The hydraulic cylinder 15 pulls the T-shaped connecting column 18 up to disengage from the upper connecting hole 6a.

S2: The motor 12 drives the threaded screw 13 to reversely reverse, so that the T-shaped connecting column 18 moves backward.

S3: Manually hold the rotary handle 2 and rotate one circle clockwise, so that the driving turret 9 rotates one circle, that is, the driving rod 3 walks along a rectangular trajectory, wherein the driving rod 3 moves upward along the right trajectory of the rectangular groove 8a. When moving downward, the round roller 7 can be rotated by 90 degrees by sliding into the single inclined groove 7a, and all the solid-sealed pole bodies 6 can also be rotated by 90 degrees, that is, the damaged solid-sealed poles are removed. Complete disassembly. Move the new solid-sealed pole to the installation and use position on the right side.

S4: The motor 12 drives the threaded screw 13 to reverse forward, so that the T-shaped connecting column 18 moves forward to above the corresponding upper connecting hole 6a.

S5: The hydraulic cylinder 15 pushes down the T-shaped connecting column 18, so that the T-shaped connecting column 18 is sequentially inserted into the upper connecting hole 6a and the lower connecting hole on the metal shell of the transformer.

At this point, the replacement work is completed.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various Such changes and improvements fall within the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A detachable embedded pole for a voltage transformer comprises a general assembly type box seat (1), wherein a connecting seat (1a) is arranged at the lower part of the general assembly type box seat (1); the front upper part of the general assembly type box base (1) is hinged with a box door (10);

the method is characterized in that:

the general assembly type box base (1) is rotatably connected with a rotating handle (2), the rotating handle (2) is matched with a card wearing component, and the card wearing component is provided with a driving rod (3); the right part of the general assembly type box seat (1) is provided with a side extension frame (4), the extension frame (4) is provided with a middle link rod (5) through a bearing, the lower end of the middle link rod (5) is connected with a distribution frame (19), the distribution frame (19) is provided with a solid-sealed pole body (6), and the upper end of the middle link rod (5) is provided with a round roller (7).

2. The detachable embedded pole for the voltage transformer of claim 1, wherein: the rotary handle (2) is L-shaped, and the card wearing component also comprises a thick cover plate (8) arranged in the general assembly type box seat (1) and a driving rotating frame (9) connected with the rotary handle (2); the rotating handle (2) is connected with the thick cover plate (8) through a bearing.

3. The detachable embedded pole for the voltage transformer of claim 2, wherein: the left end of the drive transmission rod (3) is provided with an extension part (3 a); the driving rotating frame (9) is provided with a middle through groove (9a) for the middle part of the extension part (3a) to pass through, and the thick cover plate (8) is provided with a rectangular groove (8a) for the sliding installation of the rear end of the extension part (3 a).

4. The detachable embedded pole for the voltage transformer of claim 1, wherein: 4 inclined grooves (7a) matched with the middle link rod (5) are uniformly distributed on the arc surface of the round roller (7).

5. The detachable embedded pole for the voltage transformer as recited in claim 4, wherein: the central angle corresponding to each inclined groove (7a) is 90 degrees, and each inclined groove (7a) is communicated with the upper end and the lower end of the round roller (7).

6. The detachable embedded pole for the voltage transformer of claim 1, wherein: the solid-sealed polar pole bodies (6) are 4 and distributed on the distribution frame (19) in an annular mode.

7. The detachable embedded pole for the voltage transformer of claim 6, wherein: the lower end of each solid-sealed polar pole body (6) is provided with two upper connecting holes (6 a).

8. The detachable embedded pole for the voltage transformer of claim 7, wherein: a U-shaped hanging seat (11) is arranged in the general assembly type box seat (1), and a motor (12) and a horizontal guide rod (20) are arranged on the U-shaped hanging seat (11); the motor (12) is connected with a threaded lead screw (13), and the threaded lead screw (13) is connected with an L-shaped hanging seat (14) which is connected with a horizontal guide rod (20) in a front-back sliding manner in a matching manner.

9. The detachable embedded pole for the voltage transformer of claim 8, wherein: a hydraulic cylinder (15) and a longitudinal guide rod (16) are respectively arranged on the L-shaped hanging seat (14); the hydraulic cylinder (15) is connected with a U-shaped sheet (17) which is connected with a vertical guide rod (16) in a sliding way.

10. The detachable embedded pole for the voltage transformer of claim 9, wherein: two bayonets (17a) are arranged at the front part of the U-shaped sheet (17), and a T-shaped connecting column (18) matched with the upper connecting hole (6a) is clamped and installed on each bayonet (17 a).

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