CN212659393U

CN212659393U - Transformer fixing device for electrical engineering

Info

Publication number: CN212659393U
Application number: CN202021669670.XU
Authority: CN
Inventors: 何钦; 雷鸣; 陈军伟; 张芹; 于洪帅; 余鹏; 张志山; 刘志华; 李朝军
Original assignee: Wuhan Municipal Engineering Design and Research Institute Co Ltd
Current assignee: Wuhan Municipal Engineering Design and Research Institute Co Ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-05
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a transformer fixing device for electrical engineering, including the base with set up on the base and be used for carrying out the clamping mechanism who fixes to the transformer body, the inside cavity of base forms the drive chamber, the upper surface of base is equipped with the opening that communicates with the drive chamber, one side of base is equipped with changes the handle, the drive intracavity is equipped with drive mechanism, and changes and be connected with the drive mechanism transmission, drive mechanism is connected with the clamping mechanism transmission, rotate to change and to drive the transformer body that drive clamping mechanism will arrange the base in and press from both sides tightly fixedly. The utility model discloses a set up clamping mechanism on the base to set up drive mechanism in the base, through changeing to drive mechanism and drive the transformer body that clamping mechanism will arrange in on the base and press from both sides tightly fixedly, and whole fixed process does not need bolt and nut to connect, compares labour saving and time saving more in current fixed mode, thereby has reached the advantage of the installation of being convenient for, has solved the too loaded down with trivial details problem of dismouting step.

Description

Transformer fixing device for electrical engineering

Technical Field

The utility model relates to a municipal administration technical field especially relates to a transformer fixing device for electrical engineering.

Background

With the rapid development of social economy and rapid development of power facilities, transformers are used more and more widely, and the transformers are devices for changing alternating-current voltage by utilizing the principle of electromagnetic induction, and main components are primary coils, secondary coils and iron cores. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. According to the application, the method can be divided into: power transformers and special transformers, furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors and the like.

In the prior art, the fixing of the transformer is mostly completed by adopting bolts and nuts to be connected with the fixing frame, and the operation is complicated when the transformer needs to be detached or fixed again, so that the installation efficiency of the transformer is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a transformer fixing device for electrical engineering is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a transformer fixing device for electrical engineering, includes the base and set up in be used for carrying out the clamping mechanism who fixes to the transformer body on the base, the inside cavity of base forms the drive chamber, the upper surface of base be equipped with the opening of drive chamber intercommunication, one side of base is equipped with changes the handle, be equipped with drive mechanism in the drive chamber, just change the handle with the drive mechanism transmission is connected, drive mechanism with the clamping mechanism transmission is connected, rotates change the handle can drive mechanism drive clamping mechanism will arrange in transformer body on the base presss from both sides tightly fixedly.

The utility model has the advantages that: the utility model discloses a transformer fixing device for electrical engineering, through set up on the base clamping mechanism to set up drive mechanism in the base, can drive through changeing like this drive mechanism drives clamping mechanism will arrange in transformer body on the base presss from both sides tightly fixedly, can fix the transformer body of different specifications, and whole fixed process does not need bolt and nut to connect, compares labour saving and time saving more in current fixed mode to reached the advantage of being convenient for to install, solved the too loaded down with trivial details problem of dismouting step.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further: clamping mechanism includes fixed plate and fly leaf that the interval set up, just the transformer body sets up the fixed plate with between the fly leaf, the lower extreme of fixed plate is fixed to be set up on the base, the lower extreme of fly leaf with sliding connection on the base, just drive mechanism's transmission end via the opening with the lower extreme of fly leaf is connected fixedly, just drive mechanism can drive the fly leaf is in slide on the base and be close to or keep away from the fixed plate to press from both sides tightly or loosen the transformer body.

The beneficial effects of the further scheme are as follows: through setting up the fixed plate can play better support fixed action to, drive through drive mechanism the fly leaf is in slide on the base and be close to or keep away from the fixed plate, thereby realize pressing from both sides tightly or loosen the transformer body, it is all very convenient to install and dismantle, and labour saving and time saving.

Further: the clamping mechanism further comprises an even number of telescopic loop bars, the even number of telescopic loop bars are uniformly distributed on two sides of the transformer body along the sliding direction of the movable plate, one end of each telescopic loop bar is fixedly connected with the side wall, close to the movable plate, of the fixed plate, the other end of each telescopic loop bar is fixedly connected with the side wall, close to the fixed plate, of the movable plate, and the telescopic loop bars synchronously perform telescopic motion when the transmission mechanism drives the movable plate to slide on the base and to be close to or far away from the fixed plate.

The beneficial effects of the further scheme are as follows: through flexible loop bar can the drive mechanism drive the fly leaf supports more steadily when sliding the fly leaf, thereby makes the fly leaf slides more steadily, and flexible loop bar can also be right the transformer body plays the effect of stopping, prevents the transformer body from both sides landing.

Further: the clamping mechanism further comprises a cover plate, a placing seat matched with the cover plate is arranged at the upper end of the movable plate, one end of the cover plate is rotatably connected with the upper end of the fixed plate through a rotating shaft, the cover plate can rotate relative to the upper end of the fixed plate through the rotating shaft, the cover plate faces towards the movable plate, and when the movable plate rotates to be horizontal, the other end of the cover plate is just located in the placing seat.

The beneficial effects of the further scheme are as follows: through setting up the apron, and the lid is located its top after the installation of transformer body is accomplished, can play better guard action like this, avoids outside foreign matter to fall to on the transformer body, perhaps pedestrian's accidental contact the transformer body leads to the incident to take place.

Further: the transmission mechanism comprises a screw rod, a nut seat and a sliding sleeve, wherein the sliding sleeve is arranged at one end of the sliding sleeve in a closed mode, the other end of the sliding sleeve is provided with an opening, the opening is arranged on the side wall, close to one side of the rotating handle, of the base, the sliding sleeve is arranged at the other end of the driving cavity, the sliding sleeve is arranged in the base, one end of the screw rod penetrates through the connecting plate and then is fixedly connected with the rotating handle, the nut seat is arranged at the other end of the screw rod and is positioned in the sliding groove, the opening end of the sliding sleeve is fixedly connected with the nut seat, the other end of the screw rod is just positioned in the opening of the opening end of the sliding sleeve, the closed end of the sliding sleeve is fixedly connected with the lower end of the movable plate, the rotating handle is rotated to drive the screw rod to rotate the screw rod, the nut seat is driven to slide in the sliding groove, the nut, to clamp or unclamp the transformer body.

The beneficial effects of the further scheme are as follows: the lead screw can be driven by the rotating handle to rotate, so that the lead screw can drive the nut seat to move along the axial direction of the lead screw while rotating, and the sliding sleeve and the movable plate are driven to slide on the base and approach or leave the fixed plate so as to clamp or loosen the transformer body.

Further: the top and the bottom of the nut seat are respectively provided with a sliding block matched with the sliding grooves, the sliding blocks are arranged in the corresponding sliding grooves in a sliding mode, when the rotating handle drives the lead screw to rotate, the nut seat moves along the axial direction of the lead screw, and the sliding blocks synchronously slide along the corresponding sliding grooves.

The beneficial effects of the further scheme are as follows: the nut seat can be more stably slid on the screw rod conveniently by arranging the sliding block, the sliding block can better support the nut seat by virtue of the sliding groove, and the stability of the whole transmission structure is ensured.

Further: the other end of lead screw still is equipped with the touch panel, just the touch panel is located in the sliding sleeve, the blind end inside wall of sliding sleeve go up the level be equipped with the equal high spring of touch panel, and work as the lead screw drive the sliding sleeve drives the fly leaf is in the base is towards keeping away from the fixed plate direction slides to the stroke when terminal, the touch panel with the spring butt compresses the spring.

The beneficial effects of the further scheme are as follows: through setting up the touch panel, on the one hand can the lead screw pass through the nut seat drive the sliding sleeve drives the fly leaf orientation is kept away from play the cushioning effect when fixed plate one side slides, avoid the lead screw direct with the lateral wall contact of base causes destruction, on the other hand can prevent the lead screw passes through the nut seat drive the sliding sleeve drives the fly leaf orientation is close to when fixed plate one side slides the nut seat is followed drop on the lead screw, leads to the unable normal work of whole drive mechanism.

Further: the length of the sliding groove located in the top wall of the driving cavity is smaller than that of the sliding groove located in the bottom wall of the driving cavity, and when the lead screw drives the sliding sleeve to drive the movable plate to slide to the tail end of the stroke towards the direction away from the fixed plate on the base, the sliding block at the top of the nut seat is abutted to one end, close to the movable plate, of the corresponding sliding groove.

The beneficial effects of the further scheme are as follows: the length of the sliding groove of the top wall of the driving cavity is smaller than that of the sliding groove of the bottom wall of the driving cavity, a limiting effect can be achieved, the screw rod drives the sliding sleeve to drive the movable plate to slide to the tail end of the stroke towards the direction far away from the fixed plate on the base, the sliding block at the top of the nut seat is abutted to one end, close to the movable plate, of the corresponding sliding groove, the stroke of the movable plate is effectively limited, and the protection effect is achieved on the protection plate.

Further: the bottom of the closed end of the sliding sleeve is provided with a pulley which is used for supporting the closed end of the sliding sleeve and matched with the sliding groove, the pulley is in sliding connection with the inner bottom wall of the driving cavity, and when the nut seat drives the sliding sleeve to slide in the driving cavity along the axial direction of the lead screw, the pulley slides along the sliding groove of the inner bottom wall of the driving cavity.

The beneficial effects of the further scheme are as follows: through the blind end bottom of sliding sleeve sets up the pulley, on the one hand can be right the blind end of sliding sleeve and the fly leaf plays better supporting role, and on the other hand can assist the sliding sleeve is in the drive intracavity slides, avoids the slip orbit of sliding sleeve deviates.

Drawings

Fig. 1 is a schematic perspective view of a transformer fixing device for electrical engineering according to the present invention;

fig. 2 is a schematic front view of the transformer fixing device for electrical engineering of the present invention;

fig. 3 is a front sectional view of the driving chamber of the fixing device for the transformer for electrical engineering according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a base, 2, a clamping mechanism, 3, a fixing plate, 4, a movable plate, 5, a driving cavity, 6, a connecting plate, 7, a rotating handle, 8, a screw rod, 9, a nut seat, 10, a sliding sleeve, 11, a butting plate, 12, a spring, 13, a sliding block, 14, a pulley, 15, a transformer body, 16, a telescopic sleeve rod, 17, a rotating shaft, 18, a cover plate, 19 and a placing seat.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, a transformer fixing device for electrical engineering includes a base 1 and a clamping mechanism 2 disposed on the base 1 and used for fixing a transformer body 15, the base 1 is hollow and forms a driving cavity 5, an opening communicated with the driving cavity 5 is disposed on an upper surface of the base 1, a rotating handle 7 is disposed on one side of the base 1, a transmission mechanism is disposed in the driving cavity 5, the rotating handle 7 is in transmission connection with the transmission mechanism, the transmission mechanism is in transmission connection with the clamping mechanism 2, and the rotating handle 7 is rotated to drive the transmission mechanism to drive the clamping mechanism 2 to clamp and fix the transformer body 15 disposed on the base 1.

The utility model discloses a transformer fixing device for electrical engineering, through set up on the base 1 clamping mechanism 2 to set up drive mechanism in base 1, can drive through changeing 7 like this drive mechanism drives clamping mechanism 2 will be arranged in transformer body 15 on the base 1 presss from both sides tightly fixedly, can fix transformer body 15 of different specifications, and whole fixed process does not need bolt and nut to connect, compares in current fixed mode labour saving and time saving more, thereby has reached the advantage of being convenient for to install, has solved the too loaded down with trivial details problem of dismouting step.

The utility model discloses a in one or more embodiments, clamping mechanism includes fixed plate 3 and fly leaf 4 that the interval set up, just transformer body 15 sets up fixed plate 3 with between fly leaf 4, the fixed setting of lower extreme of fixed plate 3 is in on the base 1, the lower extreme of fly leaf 4 with sliding connection on the base 1, just drive mechanism's transmission end via the opening with the lower extreme of fly leaf 4 is connected fixedly, just drive mechanism can drive fly leaf 4 is in slide on the base 1 and be close to or keep away from fixed plate 3, with press from both sides tightly or loosen transformer body 15. Through setting up fixed plate 3 can play better support fixed action to, drive through drive mechanism fly leaf 4 is in slide on the base 1 and be close to or keep away from fixed plate 3, thereby realize pressing from both sides tightly or loosen transformer body 15, it is all very convenient to install and dismantle, and labour saving and time saving.

Optionally, in one or more embodiments of the utility model, clamping mechanism still includes an even number of telescopic loop bar 16, an even number telescopic loop bar 16 along the slip direction of fly leaf 4 is equallyd divide the distribution and is in transformer body 15's both sides, just telescopic loop bar 16's one end with fixed plate 3 is close to fly leaf 4 one side lateral wall is connected fixedly, telescopic loop bar 16's the other end with fly leaf 4 is close to one side lateral wall of fixed plate 3 is connected fixedly, just the drive mechanism drive fly leaf 4 is in slide on base 1 and be close to or keep away from during fixed plate 3, the synchronous concertina movement of telescopic loop bar 16. Through flexible loop bar 16 can be in the drive mechanism drive fly leaf 4 supports more steadily when sliding fly leaf 4 makes fly leaf 4 slides more steadily, and flexible loop bar 16 can also be right transformer body 15 plays the effect of stopping, prevents transformer body 15 from the landing of both sides.

Optionally, in one or more embodiments of the present invention, the clamping mechanism further includes a cover plate 18, the upper end of the movable plate 4 is provided with a placing seat 19 adapted to the cover plate 18, one end of the cover plate 18 is rotatably connected to the upper end of the fixed plate 3 through a rotating shaft 17, the cover plate 18 may rotate relative to the upper end of the fixed plate 3 through the rotating shaft 17, and when the cover plate 18 faces the movable plate 4 and rotates to the horizontal, the other end of the cover plate 18 is just located in the placing seat 19. Through setting up apron 18 to the lid is located its top after transformer body 15 is installed, can play better guard action like this, avoids outside foreign matter to fall to on the transformer body 15, perhaps pedestrian's accident contacts transformer body 15 leads to the incident to take place.

In one or more embodiments of the present invention, the transmission mechanism includes a screw 8, a nut seat 9 and a sliding sleeve 10 with one end open and the other end closed, the inner top wall and the inner bottom wall of the driving chamber 5 are respectively provided with a sliding slot, the base 1 is provided with a connecting plate 6 on the side wall close to the rotating handle 7, the screw 8 is arranged in the base 1, one end of the screw 8 passes through the connecting plate 6 and is connected and fixed with the rotating handle 7, the nut seat 9 is arranged at the other end of the screw 8, the nut seat 9 is located in the sliding slot, the open end of the sliding sleeve 10 is connected and fixed with the nut seat 9, the other end of the screw 8 is just located in the opening of the open end of the sliding sleeve 10, the closed end of the sliding sleeve 10 is connected and fixed with the lower end of the movable plate 4, and the rotating handle 7 is rotated to drive the screw 8 to rotate, the screw 8 drives the nut seat 9 to slide in the sliding groove, and the nut seat 9 drives the sliding sleeve 10 to drive the movable plate 4 to slide on the base 1 and to approach or move away from the fixed plate 3, so as to clamp or loosen the transformer body 15. The screw 8 can be driven by the rotating handle 7 to rotate, so that the screw 8 can drive the nut seat 9 to move along the axial direction of the screw 8 while rotating, and the sliding sleeve 10 together with the movable plate 4 is driven to slide on the base 1 and move close to or away from the fixed plate 3 so as to clamp or loosen the transformer body 15.

Optionally, in one or more embodiments of the present invention, the top and the bottom of the nut seat 9 are respectively provided with a sliding block 13 matched with the sliding groove, and the sliding block 13 is slidably disposed in the corresponding sliding groove, when the rotating handle 7 drives the lead screw 8 to rotate, the nut seat 9 moves along the axial direction of the lead screw 8, and the sliding block 13 slides along the corresponding sliding groove synchronously. The nut seat 9 can be more stably slid on the screw rod 8 conveniently by arranging the sliding block 13, and the sliding block 13 can better support the nut seat 9 by virtue of a sliding groove, so that the stability of the whole transmission structure is ensured.

The utility model discloses an in one or more embodiments, the other end of lead screw still is equipped with touch panel 11, just touch panel 11 is located in the sliding sleeve 10, the blind end inside wall of sliding sleeve 10 the upper level be equipped with touch panel 11 height equal spring 12, and work as the lead screw 8 drive sliding sleeve 10 drives fly leaf 4 is in towards keeping away from on base 1 fixed plate 3 direction slides to the stroke when terminal, touch panel 11 with spring 12 butt and compression spring 12. Through setting up the touch panel 11, on the one hand can the lead screw 8 pass through the drive of nut seat 9 the sliding sleeve 10 drives fly leaf 4 orientation is kept away from play the cushioning effect when fixed plate 3 one side slides, avoid lead screw 8 direct with the lateral wall contact of base 1 causes destruction, on the other hand, can prevent lead screw 8 passes through the drive of nut seat 9 the sliding sleeve 10 drives fly leaf 4 orientation is close to when fixed plate 3 one side slides nut seat 9 is followed the lead screw 8 drops, leads to the unable normal work of whole drive mechanism.

Optionally, in one or more embodiments of the present invention, the length of the sliding groove located on the top wall of the driving cavity 5 is smaller than the length of the sliding groove located on the bottom wall of the driving cavity 5, and when the lead screw 8 drives the sliding sleeve 10 to drive the movable plate 4 to slide to the end of the stroke on the base 1 toward the direction away from the fixed plate 3, the sliding block 13 at the top of the nut seat 9 abuts against the corresponding one end of the movable plate 4 close to the sliding groove. The length of the sliding groove on the top wall of the driving cavity 5 is smaller than the length of the sliding groove on the bottom wall of the driving cavity 5, so that a limiting effect can be achieved, the screw 8 drives the sliding sleeve 10 to drive the movable plate 4 to slide to the tail end of the stroke towards the direction away from the fixed plate 3 on the base 1, the sliding block 13 at the top of the nut seat 9 abuts against one end, close to the movable plate 4, of the corresponding sliding groove, the stroke of the movable plate 4 is effectively limited, and the protective plate 4 is protected.

In one or more embodiments of the present invention, the closed end bottom of the sliding sleeve 10 is provided with a pulley 14 for supporting the closed end of the sliding sleeve 10 and matching with the sliding groove, the pulley 14 is connected to the inner bottom wall of the driving cavity 5 in a sliding manner, and the nut seat 9 drives the sliding sleeve 10 in the driving cavity 5 along the axial sliding of the screw 8, the pulley 14 along the sliding groove of the inner bottom wall of the driving cavity 5 slides. Through set up the pulley 14 in the closed end bottom of sliding sleeve 10, on the one hand can be to the closed end of sliding sleeve 10 and better supporting role is played to fly leaf 4, and on the other hand can assist the sliding sleeve 10 is in drive chamber 5 slides, avoids the slip orbit of sliding sleeve 10 to appear the deviation.

The utility model discloses a transformer fixing device for electrical engineering's theory of operation as follows:

when in use, firstly, the transformer body 15 to be fixed is placed on the base 1, then the rotating handle 7 is rotated, so that the rotating handle 7 drives the screw rod 8 to rotate, the screw rod 8 is made to drive the nut seat 9 to rotate in the axial direction, but the two sliding blocks 13 and the corresponding sliding grooves limit the rotation of the nut seat 9, the nut seat 9 is made to slide only in the direction of the screw rod 8, the nut seat 9 is made to drive the sliding sleeve 10 to displace in the inside of the driving cavity 5, the sliding sleeve 10 is driven to drive the movable plate 4 to displace, the movable plate 4 is gradually contacted with the transformer body 15 to be fixed, the transformer body 15 to be fixed is made to be fixed between the fixed plate 3 and the movable plate 4, then the cover plate 18 is rotated, the cover plate 18 is made to be lapped with the placing seat 19, and the installation. And (5) disassembling, and reversely operating according to the flow.

In conclusion, this transformer fixing device for electrical engineering, set up fixed plate 3 and fly leaf 4, it rotates to rotate 7 through the rotation and drive lead screw 8, make lead screw 8 drive nut seat 9 slide along the 8 directions of lead screw, make the distance between fixed plate 3 and the fly leaf 4 can adjust according to the transformer specification of treating fixed, this clamping mechanism 2 can fix the transformer body 15 of different specifications, and whole fixed process does not need bolt and nut to connect, compare in current fixed mode labour saving and time saving more, thereby the advantage of being convenient for installation has been reached, in order to solve the too loaded down with trivial details problem of dismouting step.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a transformer fixing device for electrical engineering which characterized in that: including base (1) and set up in be used for carrying out clamping mechanism (2) fixed to transformer body (15) on base (1), the inside cavity of base (1) forms drive chamber (5), the upper surface of base (1) be equipped with the opening of drive chamber (5) intercommunication, one side of base (1) is equipped with changes (7), be equipped with drive mechanism in drive chamber (5), just change (7) with the drive mechanism transmission is connected, drive mechanism with clamping mechanism (2) transmission is connected, rotates change (7) can drive mechanism drives clamping mechanism (2) will be arranged in transformer body (15) on base (1) press from both sides tightly fixedly.

2. The electrical engineering transformer fixing device of claim 1, wherein: clamping mechanism includes fixed plate (3) and fly leaf (4) that the interval set up, just transformer body (15) set up fixed plate (3) with between fly leaf (4), the lower extreme of fixed plate (3) is fixed to be set up on base (1), the lower extreme of fly leaf (4) with sliding connection on base (1), just drive mechanism's transmission end via the opening with the lower extreme of fly leaf (4) is connected fixedly, just drive mechanism can drive fly leaf (4) are in slide on base (1) and be close to or keep away from fixed plate (3) with press from both sides tightly or loosen transformer body (15).

3. The electrical engineering transformer fixing device of claim 2, wherein: the clamping mechanism further comprises an even number of telescopic sleeve rods (16), the even number of telescopic sleeve rods (16) are uniformly distributed on two sides of the transformer body (15) along the sliding direction of the movable plate (4), one end of each telescopic sleeve rod (16) is fixedly connected with the side wall of one side, close to the movable plate (4), of the fixed plate (3), the other end of each telescopic sleeve rod (16) is fixedly connected with the side wall of one side, close to the fixed plate (3), of the movable plate (4), and when the movable plate (4) is driven by the transmission mechanism to slide on the base (1) and is close to or far away from the fixed plate (3), the telescopic sleeve rods (16) synchronously perform telescopic movement.

4. The electrical engineering transformer fixing device of claim 2, wherein: the clamping mechanism further comprises a cover plate (18), a placing seat (19) matched with the cover plate (18) is arranged at the upper end of the movable plate (4), one end of the cover plate (18) is rotatably connected with the upper end of the fixed plate (3) through a rotating shaft (17), the cover plate (18) can rotate relative to the upper end of the fixed plate (3) through the rotating shaft (17), and when the cover plate (18) rotates to the horizontal direction towards the movable plate (4), the other end of the cover plate (18) is just located in the placing seat (19).

5. The electrical engineering transformer fixing device of claim 2, wherein: the transmission mechanism comprises a screw rod (8), a nut seat (9) and a sliding sleeve (10) with one end open and the other end closed, sliding grooves are respectively arranged on the inner top wall and the inner bottom wall of the driving cavity (5), a connecting plate (6) is embedded on the side wall of the base (1) close to one side of the rotating handle (7), the screw rod (8) is arranged in the base (1), one end of the screw rod (8) penetrates through the connecting plate (6) and then is fixedly connected with the rotating handle (7), the nut seat (9) is arranged at the other end of the screw rod (8), the nut seat (9) is positioned in the sliding grooves, the open end of the sliding sleeve (10) is fixedly connected with the nut seat (9), the other end of the screw rod (8) is just positioned in the opening of the opening end of the sliding sleeve (10), the closed end of the sliding sleeve (10) is fixedly connected with the lower end of the movable plate (4), and the rotating handle (7) is rotated to drive the screw rod (8) to rotate, the screw rod (8) drives the nut seat (9) to slide in the sliding groove, and the nut seat (9) drives the sliding sleeve (10) to drive the movable plate (4) to slide on the base (1) and to be close to or far away from the fixed plate (3) so as to clamp or loosen the transformer body (15).

6. The electrical engineering transformer fixing device of claim 5, wherein: the top and the bottom of the nut seat (9) are respectively provided with a sliding block (13) matched with the sliding grooves, the sliding blocks (13) are arranged in the corresponding sliding grooves in a sliding mode, when the rotating handle (7) drives the lead screw (8) to rotate, the nut seat (9) moves along the axial direction of the lead screw (8), and the sliding blocks (13) synchronously slide along the corresponding sliding grooves.

7. The electrical engineering transformer fixing device of claim 6, wherein: the other end of the lead screw is further provided with a touch panel (11), the touch panel (11) is located in the sliding sleeve (10), a spring (12) with the same height as the touch panel (11) is horizontally arranged on the inner side wall of the closed end of the sliding sleeve (10), and when the lead screw (8) drives the sliding sleeve (10) to drive the movable plate (4) to slide to the tail end of the stroke towards the direction away from the fixed plate (3) on the base (1), the touch panel (11) is abutted to the spring (12) and compresses the spring (12).

8. The electrical engineering transformer fixing device of claim 7, wherein: the length of a sliding groove on the top wall of the driving cavity (5) is smaller than that of a sliding groove on the bottom wall of the driving cavity (5), and when the lead screw (8) drives the sliding sleeve (10) to drive the movable plate (4) to slide to the tail end of a stroke on the base (1) towards the direction away from the fixed plate (3), a sliding block (13) on the top of the nut seat (9) is abutted to one end, close to the movable plate (4), of the corresponding sliding groove.

9. The electrical engineering transformer fixing device of claim 5, wherein: the bottom of the closed end of the sliding sleeve (10) is provided with a pulley (14) which is used for supporting the closed end of the sliding sleeve (10) and matched with the sliding groove, the pulley (14) is in sliding connection with the inner bottom wall of the driving cavity (5), and when the nut seat (9) drives the sliding sleeve (10) in the driving cavity (5) along the axial sliding of the lead screw (8), the pulley (14) slides along the sliding groove of the inner bottom wall of the driving cavity (5).