WO2019085245A1

WO2019085245A1 - Winding device for transformer iron core

Info

Publication number: WO2019085245A1
Application number: PCT/CN2018/000061
Authority: WO
Inventors: 卢华; 唐德威; 彭帅
Original assignee: 常州机电职业技术学院
Priority date: 2017-10-30
Filing date: 2018-02-05
Publication date: 2019-05-09
Also published as: CN107649533A

Abstract

A winding device for a transformer iron core comprises a frame (3) fixed to the ground. One end of the frame is provided with a winding head component (5). The frame is provided with a mobile trolley (2) capable of sliding along the frame. The mobile trolley is provided with a rotating table (1) and a turning device for turning the rotating table. The rotating table is provided with multiple elevating members (4) and a pulling tool (11). The elevating member is provided with a fixture (7). The fixture is fixed on the rotating table by the pulling tool. A tensioning component (6) is provided in the middle of the rotating table. The tensioning component is connected to a connecting shaft assembly (9). The connecting shaft assembly is provided with a core die (10) for performing winding on an iron core (13) and a connecting shank (14) for connecting to the winding head component. The winding device performs positioning easily and accurately, is reliable and stable, improves working efficiency and worker safety, and can be used by bulk transformer manufacturers.

Description

Winding device for transformer core

Technical field

The invention relates to the technical field of transformer core production, in particular to a winding device for a transformer core.

Background technique

As we all know, the iron core is an indispensable core component of the magnetic circuit of the power transformer. It is made up of iron chip material. The core of the high-speed railway generally used for winding is as high as 1.6-3.6 meters, and the total width is 1.1-3. Meter. When the middle and large transformer cores are wound, the core molds must be manually placed into the core machine in a step-by-step installation and positioning. After the winding is completed, the weight and volume are very large (basically several tons), and the manual crane must be used first. The clamp for installing the iron core is hung to the wound iron core, the clamp and the iron core are manually fixed, and then the fixed clamp and the iron core are lifted off by the crane, and transported to the fixed turning table is turned from the vertical state to the vertical state. Horizontal, this traditional process is time consuming, laborious and dangerous.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a winding device for a transformer core, which is convenient and accurate in positioning, reliable in operation and good in stability.

The technical solution adopted by the present invention to solve the prior art problem: a winding device for a transformer core, comprising a frame fixed on the ground, a winding head part at one end of the frame, and a frame on the frame a moving trolley that can slide along the frame, the mobile trolley is provided with a turning platform and a rotating device for rotating the turning table, and the turning platform is provided with a plurality of lifting members and a pulling device, and the lifting member is provided with a clamp. The clamp is fixed on the turning table by a puller, a middle of the turning table is provided with a tensioning member, and the tensioning member is connected with a connecting shaft assembly, and the connecting shaft assembly is provided with a core mold for winding the iron core and Connection shank for connection to the winding head part.

Further, the connecting shaft assembly is provided with pull studs at both ends.

Further, a first spring claw is disposed in the tensioning member, and the first spring claw is connected to a pull pin connecting one end of the shaft assembly.

Further, a second spring puller connected to the pull stud of the connecting shaft assembly is disposed in the winding head part.

Further, the connecting shank and the core mold are fixed to the connecting shaft assembly by screws.

Further, the turning device includes a hydraulic cylinder provided at one end of the moving cart, and a hinge arm disposed at the other end of the moving cart, the hydraulic cylinder being connected to the hinge arm.

Further, a bottom lifting device is arranged on the bottom side of the turning table, and the lifting device is adjusted to make the center of the clamp and the tensioning member consistent.

Further, the turning table is further provided with a steel belt for locking the clamp and the puller.

With the above technical solution, the present invention has the following beneficial effects:

The winding device of the invention is convenient and accurate in positioning, reliable in operation, good in stability, improves work efficiency, reduces the risk of workers, and can be used in large-scale transformer manufacturers.

DRAWINGS

The invention will now be further described with reference to the accompanying drawings and embodiments.

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is a schematic view showing the structure of the connecting shaft assembly of the present invention;

3 to 11 are schematic views showing the structure of the winding core step of the present invention.

In the figure: 1, flip table, 2, mobile trolley, 3, frame, 4, lifting parts, 5, winding head parts, 6, tensioning parts, 7, clamps, 8, first spring claws, 9. Connecting shaft assembly, 9.1, pull stud, 10, core mold, 11, puller, 12, hinge arm, 13, iron core, 14, connecting shank, 15, screw, 16, hydraulic cylinder, 17, jacking Device, 18, second spring claw, 19, steel belt.

Detailed ways

In order to make the content of the present invention easier to understand, the present invention will be further described in detail below with reference to the accompanying drawings.

A winding device for a transformer core as shown in FIG. 1 to FIG. 3 includes a frame 3 fixed to the ground, and a winding head part 5 is disposed at one end of the frame 3, and the frame 3 is provided a moving trolley 2 slidable along the frame 3, the moving trolley 2 is provided with a turning table 1 and a turning device for rotating the turning table 1, and the turning table 1 is provided with a plurality of lifting members 4 and a puller 11 The lifting member 4 is provided with a clamp 7 which is fixed on the turning table 1 by a puller 11 , and a tensioning member 6 is arranged in the middle of the turning table 1 , and the tensioning member 6 is connected to the connecting shaft assembly 9 . The connecting shaft assembly 9 is provided with a core mold 10 for winding the iron core 13 and a connecting shank 14 for connection with the winding head member 5. The connecting shaft assembly 9 is provided with a pull stud 9.1 at both ends, and the tensioning member 6 is provided with a first spring puller 8 which is connected with a pull stud 9.1 of one end of the connecting shaft assembly 9. A second spring puller 18 connected to the pull stud 9.1 of the connecting shaft assembly 9 is provided in the winding head part 5.

As shown in FIG. 2, the connecting shank 14 and the core mold 10 are fixed to the connecting shaft assembly 9 by screws 15.

As shown in FIG. 3, the turning device includes a hydraulic cylinder 16 and an hinge arm 12, the hydraulic cylinder 16 is disposed at one end of the moving cart 2, and the hinge arm 12 is disposed at the other end of the moving cart 2, The hydraulic cylinder 16 is connected to the hinge arm 12.

Specifically, the bottom of the side of the turning table 1 is provided with a jacking device 17, and the jacking device 17 is adjusted so that the center of the jig 7 and the tensioning member 6 are kept uniform.

Specifically, the turning table 1 is further provided with a steel belt 19 for locking the clamp 7 and the puller 11.

As shown in FIG. 1, the crane lifts the connecting shaft assembly 9 to the tensioning member 6, the first spring puller 8 of the tensioning member 6 is in an open state, and the pull stud 9.1 of the head of the connecting shaft assembly 9 is pulled into In the tight member 6, when the plane of the connecting shaft assembly 9 is in contact with the plane of the tensioning member 6, the first spring claw 8 in the tensioning member 6 automatically tightens the connecting shaft assembly 9: the winding core 13 is used again. The mandrel 10 is mounted on the connecting shaft assembly 9, and the connecting shank 14 is continuously mounted on the mandrel 10, and the connecting shank 14 and the mandrel 10 are fixed to the connecting shaft assembly 9 by screws 15; The lifting member 4 is such that the upper surface of the lifting member 4 contacts the lower surface of the jig 7; the jig 7 is locked with the holder 11 by the steel belt 19, and the jig 7 is fixed to the turning table 1.

The working principle of the invention is as follows:

As shown in FIG. 3, the turning table 1 is turned over. The hydraulic cylinder 16 passes the hinge arm 12 to rotate the turning table 1 about the turning center A and the turning track B, so that the turning table 1 is turned from the horizontal position to the vertical position.

As shown in FIG. 4, the moving carriage 2 drives the vertical position of the turning table 1 to move, the second spring claw 18 in the winding head member 5 is in an open state, and the rivet 9.1 connecting the head of the shank 14 enters the winding. In the second spring claw 18 in the head member 5, when the plane connecting the shank 14 comes into contact with the plane of the winding head member 5, the second spring claw 18 in the winding head member 5 is automatically tightened. Connect the shank 14. At the same time, the first spring puller 8 of the tensioning member 6 on the turning table 1 is moved by the hydraulic cylinder 16 and then opened, and the pull stud 9.1 on the connecting shaft assembly 9 is automatically released.

As shown in Fig. 5, the moving cart 2 is moved so that the jig 7 is removed.

As shown in Fig. 6, the winding head member 5 drives the core mold 10 to rotate, and starts winding the core 13.

As shown in Fig. 7, the core 13 is wound, the moving carriage 2 is moved, and the rivet 9.1 on the connecting shaft assembly 9 enters the tensioning member 6, when the end surface of the connecting shaft assembly 9 is in contact with the end surface of the tensioning member 6. The first spring puller 8 in the tensioning member 6 automatically tensions the pull stud 9.1 on the connecting shaft assembly 9; the iron core 13 is tied to the clamp 7 by the steel strip 19.

As shown in Fig. 8, the second spring claw 18 in the winding head member 5 is opened, the rivet 9.1 of the locked connecting shank 14 is released, and the connecting shank 14 is disengaged from the winding head member 5. Moving the trolley 2 causes the turning table 1 to leave the winding head unit 5.

As shown in Fig. 9, the turning table 1 is turned over. The hydraulic cylinder 16 passes the hinge arm 12 to rotate the turning table 1 about the turning center A and the turning track B, so that the turning table 1 is turned from the vertical position to the horizontal position. The lower jacking device 17 is loosened; the strip 11 and the steel strip 19 on the jig 7 are released, and the jig 7 is disengaged from the turning table 1.

As shown in Fig. 10, the screw 15 for fixing the connecting shank 14, the core mold 10, and the connecting shaft assembly 9 is removed, and the connecting shank 14 is hoisted away.

As shown in Fig. 11, the iron core 13 fixed to the jig 7 is lifted by a crane to complete the winding of the single core 13.

The specific embodiments of the present invention have been described in detail, and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A winding device for a transformer core, comprising a frame fixed on the ground, a winding head part at one end of the frame, and a moving trolley sliding along the frame, the frame is characterized by: The moving trolley is provided with a turning table and a rotating device for rotating the turning table. The turning table is provided with a plurality of lifting members and a pulling device, and the lifting member is provided with a clamp, and the clamp is fixed by the pulling device. a turning table, a middle portion of the turning table is provided with a tensioning member, the tensioning member is connected to the connecting shaft assembly, and the connecting shaft assembly is provided with a core mold for winding the iron core and for the winding head part Connected connection shank.
A winding device for a transformer core according to claim 1, wherein both ends of the connecting shaft assembly are provided with rivets.
A winding device for a transformer core according to claim 2, wherein said tensioning member is provided with a first spring claw, said first spring claw and one end of the connecting shaft assembly Pull the nails together.
A winding device for a transformer core according to claim 2, wherein said winding head member is provided with a second spring claw connected to a pull stud of said connecting shaft assembly.
A winding device for a transformer core according to claim 1, wherein said connecting shank and said core mold are fixed to said connecting shaft assembly by screws.
A winding device for a transformer core according to claim 1, wherein said turning device comprises a hydraulic cylinder and a hinge arm, said hydraulic cylinder being provided at one end of said moving cart, said hinge An arm is provided at the other end of the moving cart, and the hydraulic cylinder is coupled to the hinge arm.
A winding device for a transformer core according to claim 1, wherein a bottom lifting device is disposed at a bottom portion of the turning table, and the lifting device is adjusted to keep the center of the clamp and the tensioning member uniform.
A winding device for a transformer core according to claim 1, wherein the turning table is further provided with a steel band for locking the clamp and the puller.