CN219854118U - Clamping device of low-voltage current transformer - Google Patents

Abstract

The utility model belongs to the field of clamping devices, in particular to a clamping device of a low-voltage current transformer, which comprises a placing table, wherein a connecting plate is fixedly arranged at the top of the placing table, and a protective shell is fixedly arranged on the right side of the connecting plate; the lifting assembly is arranged on the protective shell; and the clamping assembly is arranged on the lifting assembly. The utility model has reasonable design, and can clamp the low-voltage current transformer main bodies with different sizes by only using one power piece when the clamping function is realized, so that the device has lower power and lower energy consumption when in use, further has lower use cost and higher use cost performance, can clamp the low-voltage current transformer main bodies, can also adjust the clamping height, and does not need external equipment assistance, thus having higher functionality and wider application range when in use, and further having higher practicability.

Description

Clamping device of low-voltage current transformer

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping device of a low-voltage current transformer.

Background

The low-voltage current transformer is conversion equipment capable of converting large current into small current which is easy to measure, has the characteristics of excellent performance, stable precision and the like, and needs to use a clamping device in the automatic verification process;

the publication number CN216265542U discloses a clamping device of a low-voltage current transformer, which comprises a mounting frame, a clamping mechanism and a supporting mechanism; the mounting frame is provided with a mounting plate, and a group of clamping mechanisms and a group of supporting mechanisms which are arranged oppositely are arranged through the mounting plate; the clamping mechanism can clamp the low-voltage current transformer, and the supporting mechanism can move to the lower part of the bottom of the low-voltage current transformer after the low-voltage current transformer is clamped so as to support the low-voltage current transformer;

if the transformer clamping device in the comparison document can have two problems when in use, one is that the power parts used when the transformer clamping device is used for realizing the clamping function are too many, which can lead to larger power and more energy consumption of the transformer clamping device when in use, further leading to higher use cost of the transformer clamping device, and the other is that the transformer clamping device can only realize the clamping of a current transformer, but is difficult to adjust the height of the transformer clamping device, and the transformer clamping device is assisted by external equipment, which can lead to lower functionality of the transformer clamping device when in use, narrower application range and lower practicality, so that the transformer clamping device for the current transformer is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a clamping device for a current transformer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a clamping device for a low-voltage current transformer, comprising:

the top of the placing table is fixedly provided with a connecting plate, and the right side of the connecting plate is fixedly provided with a protective shell;

the lifting assembly is arranged on the protective shell;

and the clamping assembly is arranged on the lifting assembly.

Preferably, the lifting assembly comprises a lifting motor, a screw rod, a lifting table and a moving groove, wherein the lifting motor is fixedly arranged on the inner wall of the top of the protective shell, the screw rod is fixedly arranged at the output end of the lifting motor, one end of the screw rod is rotatably arranged on the inner wall of the bottom of the protective shell, the lifting table is in threaded connection with the outer side of the screw rod, the lifting table is slidably arranged on the inner side of the moving groove, and the moving groove is formed in the right side of the protective shell.

Preferably, the width of the moving groove is smaller than the left side width of the lifting platform, the top view section of the lifting platform is in a convex shape, and the front view section of the lifting platform is in an L shape.

Preferably, the clamping assembly comprises a fixed plate, a rotating shaft, gears, clamping blocks, a rotating motor, a driving shaft, belt wheels and a belt, wherein the fixed plate is fixedly arranged on the front side and the rear side of the right side of the lifting platform and is distributed symmetrically up and down, the rotating shaft is rotatably arranged between the inner sides of the fixed plate, the gears are fixedly arranged on the outer sides of the rotating shaft, the gears are meshed with each other, the clamping blocks are fixedly arranged on the outer sides of the rotating shaft, the rotating motor is fixedly arranged at the bottom of the lifting platform, the driving shaft is fixedly arranged at the output end of the rotating motor, the belt wheels are respectively fixedly arranged on the outer sides of the driving shaft and the outer sides of the rear rotating shaft, and the belt is tensioned and arranged on the outer sides of the belt wheels.

Preferably, the cross section shape of overlooking of the clamping block is hook-shaped, and the left and right sides are mirror symmetry, and the inner surface of the clamping block is provided with a silica gel pad.

Preferably, the right side of the top of the placing table is provided with a main body of the low-voltage current transformer, and the clamping block is abutted against the main body of the low-voltage current transformer.

Preferably, the gear is located above the clamping block, and the clamping block is located at the inner side of the fixing plate.

Preferably, the lifting motor and the rotating motor are electrically connected with an external controller.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the clamping device for the low-voltage current transformer, through the arranged clamping assembly, the clamping of the low-voltage current transformer main body with different sizes can be realized only by using one power piece when the clamping function is realized, so that the device has smaller power and less energy consumption when in use, and further, the use cost of the device is lower, and the cost performance of the device is higher.

(2) According to the clamping device for the low-voltage current transformer, through the arranged lifting assembly, the clamping device for the low-voltage current transformer not only can clamp the main body of the low-voltage current transformer, but also can adjust the clamping height of the main body of the low-voltage current transformer, and no external equipment is needed for assistance, so that the device is higher in functionality and wider in application range when in use, and further higher in practicability.

Drawings

Fig. 1 is a schematic perspective view of a clamping device for a low-voltage current transformer according to the present utility model;

fig. 2 is a schematic cross-sectional structure of a clamping device for a low-voltage current transformer according to the present utility model;

FIG. 3 is an enlarged schematic diagram illustrating a part of the structure of a clamping device for a low-voltage transformer according to the present utility model in a top view;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a placement table; 2. a connecting plate; 3. a protective housing; 4. a lifting motor; 5. a screw rod; 6. a lifting table; 7. a moving groove; 8. a fixing plate; 9. a rotating shaft; 10. a gear; 11. a clamping block; 12. a rotating electric machine; 13. a driving shaft; 14. a belt wheel; 15. a belt; 16. a low-voltage current transformer body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples

Referring to fig. 1-4, a clamping device for a current transformer comprises a placing table 1, a lifting assembly and a clamping assembly, wherein a connecting plate 2 is fixedly installed at the top of the placing table 1, the clamping device can be connected to the placing table 1 through threads of the connecting plate 2, a protective shell 3 is fixedly installed on the right side of the connecting plate 2, the lifting assembly is installed on the protective shell 3, the protective shell 3 can protect internal elements from damage, the clamping assembly is installed on the lifting assembly, and both a lifting motor 4 and a rotating motor 12 are electrically connected with an external controller.

In this embodiment, elevator motor 4 fixed mounting is at the top inner wall of protective housing 3, lead screw 5 fixed mounting is at the output of elevator motor 4, the one end rotation of lead screw 5 is installed at the bottom inner wall of protective housing 3, elevating platform 6 threaded connection is in the outside of lead screw 5, elevating platform 6 slidable mounting is in the inboard of removing groove 7, the right side at protective housing 3 is seted up to removing groove 7, the width of removing groove 7 is less than the left side width of elevating platform 6, the overlooking cross-section of elevating platform 6 is the font, the front view cross-section shape of elevating platform 6 is the L type, elevating platform 6 reciprocates in removing groove 7 when can making lead screw 5 rotatory through the cooperation of elevating platform 6 and removing groove 7, realize the lifting function, make the functionality of low-voltage current transformer clamping device higher.

In this embodiment, fixed plate 8 fixed mounting is in the right side front and back both sides of elevating platform 6, and upper and lower symmetry distributes, pivot 9 rotation is installed between the inboard of fixed plate 8, gear 10 fixed mounting is in the outside of pivot 9, gear 10 intermeshing, grip block 11 fixed mounting is in the outside of pivot 9, rotating electrical machines 12 fixed mounting is in the bottom of elevating platform 6, driving shaft 13 fixed mounting is in the output of rotating electrical machines 12, band pulley 14 fixed mounting is in the outside of driving shaft 13 and the outside of rear pivot 9 respectively, belt 15 tensioning sets up in the outside of band pulley 14, the overlook cross-section shape of grip block 11 is the hook-type, and be mirror symmetry about, it is convenient for make its more stable centre gripping low-voltage current transformer main part 16 to inject the shape of grip block 11, the internal surface of grip block 11 is provided with the silica gel pad, the centre gripping frictional force between grip block 11 and the low-voltage current transformer main part 16 can be increased, the top right side of placing platform 1 has placed low-voltage current transformer main part 16, grip block 11 offsets with low-voltage current transformer main part 16, grip block 11 can carry out mirror symmetry to low-voltage current transformer main part 16, it is located the fixed grip block 11 and can be rotated by mutual-holding block 11 to rotate the opposite direction, the centre gripping block 11 is located on the fixed side of the opposite direction of rotation of grip block 11.

Through the structure, the clamping device for the low-voltage current transformer can clamp the low-voltage current transformer main body 16 with different sizes by only using one power piece when the clamping function is realized, so that the device has smaller power and lower energy consumption when in use, further the use cost of the device is lower, the use cost performance is higher, the clamping of the low-voltage current transformer main body 16 can be realized, the clamping height of the low-voltage current transformer main body can be adjusted without the assistance of external equipment, the device has higher functionality when in use, the application range is wider, the device is further higher in practicability, the device is particularly operated to be connected with an external power supply, the low-voltage current transformer main body 16 to be clamped is placed on the placing table 1, the lifting motor 4 is controlled to work through an external controller, the lifting motor 4 is in threaded fit with the lifting table 6 through the screw rod 5 to realize the up-down movement of the lifting table 6 in the moving groove 7 until the lifting motor is reduced to the lowest point, the rotating motor 12 is controlled through the controller, the rotating motor 12 is driven through the rotating motor 12, the rotating pulley 14 is driven by the rotating shaft 9 and the rotating shaft 9 is driven by the rotating motor 12 to rotate, the rotating shaft 9 and the rotating pulley 9 is driven by the rotating shaft 9 and the rotating shaft 9 is in the opposite direction, the rotating direction is matched with the rotating shaft 9, and the rotating shaft 9 is driven by the rotating shaft 9 and the rotating shaft is in the rotating direction of the rotating shaft 9 and the rotating shaft is in the rotating direction of the rotating shaft 9 and the rotating shaft 9 is matched with the rotating shaft 9.

The clamping device for the low-voltage current transformer provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (6)

1. A clamping device for a current transformer of the type comprising:

the device comprises a placing table (1), wherein a connecting plate (2) is fixedly arranged at the top of the placing table (1), and a protective shell (3) is fixedly arranged on the right side of the connecting plate (2);

the lifting assembly is arranged on the protective shell (3), the lifting assembly comprises a lifting motor (4), a screw rod (5), a lifting table (6) and a moving groove (7), the lifting motor (4) is fixedly arranged on the inner wall of the top of the protective shell (3), the screw rod (5) is fixedly arranged at the output end of the lifting motor (4), one end of the screw rod (5) is rotatably arranged on the inner wall of the bottom of the protective shell (3), the lifting table (6) is in threaded connection with the outer side of the screw rod (5), the lifting table (6) is slidably arranged on the inner side of the moving groove (7), and the moving groove (7) is formed in the right side of the protective shell (3);

the clamping assembly is arranged on the lifting assembly and comprises a fixed plate (8), a rotating shaft (9), a gear (10), a clamping block (11), a rotating motor (12), a driving shaft (13), a belt wheel (14) and a belt (15), wherein the fixed plate (8) is fixedly arranged on the front side and the rear side of the right side of the lifting table (6) and distributed symmetrically up and down, the rotating shaft (9) is rotatably arranged between the inner sides of the fixed plate (8), the gear (10) is fixedly arranged on the outer side of the rotating shaft (9), the gears (10) are meshed with each other, the clamping block (11) is fixedly arranged on the outer side of the rotating shaft (9), the rotating motor (12) is fixedly arranged at the bottom of the lifting table (6), the driving shaft (13) is fixedly arranged at the output end of the rotating motor (12), and the belt wheel (14) is fixedly arranged on the outer side of the driving shaft (13) and the outer side of the rear rotating shaft (9) respectively, and the belt (15) is tensioned on the outer side of the belt wheel (14).

2. The clamping device for the low-voltage current transformer according to claim 1, wherein the width of the moving groove (7) is smaller than the left side width of the lifting table (6), the top view section of the lifting table (6) is in a convex shape, and the front view section of the lifting table (6) is in an L shape.

3. The clamping device for the low-voltage current transformer according to claim 1, wherein the top-view cross section of the clamping block (11) is hook-shaped, and is mirror-symmetrical left and right, and the inner surface of the clamping block (11) is provided with a silica gel pad.

4. The clamping device of the low-voltage current transformer according to claim 1, wherein the low-voltage current transformer main body (16) is arranged on the right side of the top of the placement table (1), and the clamping block (11) is abutted against the low-voltage current transformer main body (16).

5. A clamping device for a current transformer according to claim 1, characterized in that the gear (10) is located above the clamping block (11), the clamping block (11) being located inside the fixing plate (8).

6. The clamping device of a current transformer according to claim 1, wherein the lifting motor (4) and the rotating motor (12) are electrically connected to an external controller.