CN219738750U

CN219738750U - Coil winding and tensioning device for dry-type transformer

Info

Publication number: CN219738750U
Application number: CN202321297320.9U
Authority: CN
Inventors: 张凤宏; 谢立功; 王一博
Original assignee: Xingtai Transformer Co ltd
Current assignee: Xingtai Transformer Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-22
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a winding and tensioning device for a dry-type transformer coil, which relates to the technical field of dry-type transformer coils and comprises a fixing frame, wherein a replacement mechanism is arranged above the fixing frame and comprises a bearing rod and two symmetrical mounting seats, the outer surface of the bearing rod is connected with a cable drum in a sliding manner, the two mounting seats are fixedly connected to the inner bottom wall of the fixing frame, springs are fixedly connected to the outer surfaces of the two mounting seats, and one ends of the two springs, which are far away from the mounting seats, are fixedly connected with an operation plate. The utility model is convenient to replace the cable drum by arranging the fixing frame and the replacing mechanism, avoids the complicated replacing mode that the existing winding tensioning device needs to use special tools and detach a plurality of bolts when the cable drum is replaced, thereby improving the replacing speed of the cable drum, ensuring the working efficiency of winding the coil of the dry-type transformer and being convenient to use.

Description

Coil winding and tensioning device for dry-type transformer

Technical Field

The utility model relates to the technical field of dry-type transformer coils, in particular to a winding and tensioning device for a dry-type transformer coil.

Background

The dry type transformer is widely used in places such as local illumination, high-rise buildings, airports and wharf CNC mechanical equipment, and simply refers to a transformer with an iron core and windings not immersed in insulating oil, and when the dry type transformer is produced, an insulating cable is wound outside an iron core column, so that a dry type transformer coil is formed, and a winding and tensioning device is generally used for ensuring the compactness of the coil during winding.

According to the dry-type transformer processing coil winding tensioning mechanism disclosed in the patent with the patent number of CN216980331U, the utility model can realize convenient installation and fixation of a transformer by arranging the installation unit; by arranging the tensioning unit, winding tensioning of the coil of the transformer can be achieved.

However, in the technical scheme of the above patent, the cable drum is inconvenient to replace in the implementation process, when the existing winding and tensioning device winds the coil of the dry-type transformer, the cable drum is sleeved on the surface of the bearing rod, and in order to ensure the stability of the bearing rod, the bearing rod of the cable drum is usually fixed through bolts, after the cable on the cable drum is used up, a plurality of bolts are required to be detached for replacing the cable drum, and a special tool is required to be used in the replacement mode, and the cable drum can be replaced after the bolts are detached, so that the replacement is complicated. Thus, a dry-type transformer coil winding tensioner is proposed herein.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a winding and tensioning device for a coil of a dry-type transformer.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dry-type transformer coil winding straining device, includes the mount, the top of mount is provided with changes the mechanism, it includes carrier bar and two symmetrical mount pad to change the mechanism, the surface sliding connection of carrier bar has a cable drum, two the equal fixedly connected with of mount pad is at the interior bottom wall of mount, two the equal fixedly connected with spring of surface of mount pad, two the equal fixedly connected with operation panel of one end that the mount pad was kept away from to the spring, two the operation panel is close to the equal fixedly connected with gag lever post of a side of mount pad, two the gag lever post runs through two mount pads respectively and respectively with two mount pad sliding connection, two the gag lever post all with carrier bar looks adaptation, the top of mount pad is provided with winding mechanism.

Above-mentioned, two equal fixedly connected with locating strip of inner wall of mount pad, two the locating strip all with carrier bar looks adaptation, two constant head tanks with the locating strip looks adaptation have been seted up to the surface of carrier bar, make carrier bar on the carrier bar spacing hole can align with the gag lever post when the carrier bar is installed in the mount pad.

Above-mentioned, interior bottom wall fixedly connected with damping seat of mount, damping seat and cable section of thick bamboo looks adaptation, after carrier bar and cable section of thick bamboo installation are accomplished, cable section of thick bamboo surface can with damping seat inner wall in close contact with, have certain friction between cable section of thick bamboo and the damping seat when cable section of thick bamboo rotates, need certain effort when making cable on the cable section of thick bamboo pay out, the cable is always received certain effort when guaranteeing the cable winding on the iron core post to guarantee the tensioning effect of cable.

Above-mentioned, winding mechanism includes the electric telescopic handle of fixed connection at the mount surface, electric telescopic handle's flexible end runs through the mount and with mount sliding connection, electric telescopic handle's flexible end rotates and is connected with first holder, the inner wall of mount rotates and is connected with the dwang, the one end fixedly connected with second holder that the dwang is close to first holder, first holder and second holder all with iron core post looks adaptation to make the iron core post can be stabilized the centre gripping by first holder and second holder.

Above-mentioned, the inner wall rotation of mount is connected with the threaded rod, the surface threaded connection of threaded rod has the removal seat, the upper surface fixedly connected with of removal seat removes the ring, and the cable wears to establish when removing the ring inside, and the steady removal of removing the ring can guarantee the homogeneity when the cable twines.

Above-mentioned, the inner wall fixedly connected with guide bar of mount, the guide bar runs through the movable seat and with movable seat sliding connection, the guide bar plays the guide effect for the removal of movable seat.

The beneficial effects are that:

compared with the prior art, the dry-type transformer coil winding and tensioning device has the following beneficial effects:

1. the utility model is convenient to replace the cable drum by arranging the fixing frame and the replacing mechanism, avoids the complicated replacing mode that the existing winding tensioning device needs to use special tools and detach a plurality of bolts when the cable drum is replaced, thereby improving the replacing speed of the cable drum, ensuring the working efficiency of winding the coil of the dry-type transformer and being convenient to use.

2. According to the utility model, through the arrangement of the winding mechanism, the iron core column is placed between the first clamping frame and the second clamping frame, the electric telescopic rod is controlled to extend, the first clamping frame is driven to be close to the second clamping frame, so that the iron core column is clamped stably by the first clamping frame and the second clamping frame, the first servo motor on the rotating rod is controlled to operate, the rotating rod is driven to operate with the second clamping frame, so that the iron core column is rotated, meanwhile, the second servo motor on the threaded rod is controlled to operate, the threaded rod rotates to drive the movable ring to stably move, the cable passes through the movable ring and is wound on the surface of the iron core column, and the cable is uniformly wound on the surface of the iron core column, so that the winding work of the dry-type transformer coil is completed.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the carrier bar and cable drum of the present utility model;

FIG. 3 is a schematic view of a split structure of a carrier bar, a cable drum and a mounting base of the present utility model;

fig. 4 is a schematic perspective view of a first clamping frame and a threaded rod according to the present utility model.

In the figure:

1. a fixing frame;

2. a replacement mechanism; 21. a carrier bar; 22. a cable drum; 23. a mounting base; 24. a spring; 25. an operation panel; 26. a limit rod; 27. a positioning strip; 28. a damping seat;

3. a winding mechanism; 31. an electric telescopic rod; 32. a first clamping frame; 33. a rotating lever; 34. a second clamping frame; 35. a threaded rod; 36. a movable seat; 37. a moving ring; 38. a guide rod.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: a coil winding and tensioning device of a dry-type transformer comprises a fixing frame 1, wherein supporting legs are arranged on the bottom surface of the fixing frame 1, so that the fixing frame 1 is supported and fixed.

Referring to fig. 2 and 3, a replacement mechanism 2 is disposed above the fixing frame 1, the replacement mechanism 2 includes a bearing rod 21 and two symmetrical mounting seats 23, the outer surface of the bearing rod 21 is slidably connected with a cable drum 22, and an insulating cable for producing a dry-type transformer coil is stored on the surface of the cable drum 22.

The two mounting seats 23 are fixedly connected to the inner bottom wall of the fixing frame 1, springs 24 are fixedly connected to the outer surfaces of the two mounting seats 23, and when the limiting rod 26 is inserted into the limiting hole in the surface of the bearing rod 21, the springs 24 are in a slight stretching state, so that the limiting rod 26 is prevented from being separated from the limiting hole in the surface of the bearing rod 21 in a non-manual mode.

Two springs 24 keep away from the equal fixedly connected with operation panel 25 of one end of mount pad 23, and two operation panel 25 are close to the equal fixedly connected with gag lever post 26 of a side of mount pad 23, and two gag lever posts 26 run through two mount pads 23 respectively and respectively with two mount pads 23 sliding connection, two gag lever posts 26 all with carrier bar 21 looks adaptation, in the gag lever post 21 surface offered two with gag lever post 26 looks adaptation spacing downthehole, insert gag lever post 26 to carrier bar 21 surface's spacing downthehole can accomplish carrier bar 21's fixed.

The inner walls of the two mounting seats 23 are fixedly connected with positioning strips 27, the two positioning strips 27 are matched with the bearing rod 21, and two positioning grooves matched with the positioning strips 27 are formed in the outer surface of the bearing rod 21, so that when the bearing rod 21 is mounted in the mounting seats 23, limiting holes in the bearing rod 21 can be aligned with the limiting rods 26.

The damping seat 28 is fixedly connected to the inner bottom wall of the fixing frame 1, the damping seat 28 is matched with the cable drum 22, after the bearing rod 21 and the cable drum 22 are installed, the outer surface of the cable drum 22 is tightly contacted with the inner wall of the damping seat 28, and certain friction is formed between the cable drum 22 and the damping seat 28 when the cable drum 22 rotates, so that certain acting force is required when a cable on the cable drum 22 is released, and the cable is always subjected to certain acting force when the cable is wound on the iron core column, thereby ensuring the tensioning effect of the cable.

Referring to fig. 4, a winding mechanism 3 is disposed above the fixing frame 1, the winding mechanism 3 includes an electric telescopic rod 31 fixedly connected to an outer surface of the fixing frame 1, a telescopic end of the electric telescopic rod 31 penetrates through the fixing frame 1 and is slidably connected with the fixing frame 1, a first clamping frame 32 is rotatably connected to the telescopic end of the electric telescopic rod 31, a rotating rod 33 is rotatably connected to an inner wall of the fixing frame 1, a first servo motor is disposed on the rotating rod 33 and is connected with an external power supply, the first servo motor provides power for rotation of the rotating rod 33, a second clamping frame 34 is fixedly connected to one end of the rotating rod 33 close to the first clamping frame 32, and the first clamping frame 32 and the second clamping frame 34 are matched with an iron core column, so that the iron core column can be stably clamped by the first clamping frame 32 and the second clamping frame 34.

The inner wall of mount 1 rotates and is connected with threaded rod 35, is provided with the second servo motor on the threaded rod 35 to be connected with external power source, the second servo motor provides power for the rotation of threaded rod 35, and the surface threaded connection of threaded rod 35 has and removes seat 36, removes the upper surface fixedly connected with of seat 36 and removes ring 37, and the cable wears to establish when removing ring 37 inside, removes ring 37's stable removal and can guarantee the homogeneity when the cable twines.

The inner wall of the fixed frame 1 is fixedly connected with a guide rod 38, the guide rod 38 penetrates through the movable seat 36 and is in sliding connection with the movable seat 36, and the guide rod 38 plays a guide role for movement of the movable seat 36.

Working principle: when the device is used, the operation plate 25 is pulled to enable the limiting rod 26 to be pulled out of the limiting hole on the surface of the bearing rod 21, at the moment, the spring 24 is stretched, the bearing rod 21 is taken down from the mounting seat 23, the cable drum 22 sleeved on the surface of the bearing rod 21 is taken down and replaced, the cable drum 22 is aligned to the upper portion of the damping seat 28, the positioning grooves on the surface of the bearing rod 21 are aligned to the positioning strips 27, then the two ends of the bearing rod 21 are placed in the mounting seat 23, then the operation plate 25 is loosened, the limiting rod 26 is pushed to be inserted into the limiting hole on the surface of the bearing rod 21 under the action of the elasticity of the stretching spring 24, and therefore the device is convenient for replacing the cable drum 22, so that the replacing speed of the cable drum 22 is improved, and the winding work efficiency of a dry-type transformer coil is guaranteed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type transformer coil winding straining device, includes mount (1), its characterized in that: the utility model discloses a wire winding mechanism, including fixing frame (1), change mechanism (2) are provided with above fixing frame (1), change mechanism (2) including carrier bar (21) and two symmetrical mount pad (23), the surface sliding connection of carrier bar (21) has cable section of thick bamboo (22), two equal fixed connection of mount pad (23) is at the interior bottom wall of fixing frame (1), two equal fixedly connected with spring (24) of surface of mount pad (23), two equal fixedly connected with operation panel (25) of one end that mount pad (23) were kept away from to spring (24), two equal fixedly connected with gag lever post (26) of side that operation panel (25) are close to mount pad (23), two gag lever post (26) run through two mount pad (23) respectively and respectively with two mount pad (23) sliding connection, two gag lever post (26) all with carrier bar (21) looks adaptation, the top of mount frame (1) is provided with winding mechanism (3).

2. A dry-type transformer coil winding tensioning device as set forth in claim 1, wherein: the inner walls of the two mounting seats (23) are fixedly connected with positioning strips (27), and the two positioning strips (27) are matched with the bearing rod (21).

3. A dry-type transformer coil winding tensioning device as set forth in claim 1, wherein: the inner bottom wall of the fixing frame (1) is fixedly connected with a damping seat (28), and the damping seat (28) is matched with the cable drum (22).

4. A dry-type transformer coil winding tensioning device as set forth in claim 1, wherein: winding mechanism (3) are including fixed connection at electric telescopic handle (31) of mount (1) surface, the flexible end of electric telescopic handle (31) runs through mount (1) and with mount (1) sliding connection, the flexible end rotation of electric telescopic handle (31) is connected with first holder (32), the inner wall rotation of mount (1) is connected with dwang (33), one end fixedly connected with second holder (34) that dwang (33) are close to first holder (32).

5. A dry-type transformer coil winding tensioning device as set forth in claim 1, wherein: the inner wall of mount (1) rotates and is connected with threaded rod (35), the surface threaded connection of threaded rod (35) has movable seat (36), the upper surface fixedly connected with of movable seat (36) removes ring (37).

6. The dry-type transformer coil winding tensioning device of claim 5, wherein: the inner wall of the fixed frame (1) is fixedly connected with a guide rod (38), and the guide rod (38) penetrates through the movable seat (36) and is in sliding connection with the movable seat (36).