CN108063046A - A kind of safe electric power network transformer drum type brake winding Intelligent Machining System - Google Patents

Abstract

The invention relates to a high-safety intelligent processing system for cylindrical windings of power grid transformers, which includes a bottom plate, two installation ears are symmetrically installed on the upper surface of the bottom plate, and an insulating cylinder is installed between the two installation ears through bearings. The front end of the insulating cylinder is equipped with a winding motor through a coupling. The bottom end of the winding motor is installed on the vertical plate through the motor base, and the vertical plate is welded on the bottom plate. The winding motor drives the insulating cylinder to rotate on the two mounting ears. , the left end of the bottom plate is equipped with a mobile tensioning device, which is V-shaped and wound with wire strips. The mobile tensioning device can be adjusted according to the winding position of the wire strips without manual tension adjustment. Position, the beginning of the wire strip is wound on the insulation cylinder, and the wire strip is wound several times on the outer wall of the insulation cylinder to form a cylindrical winding. The invention can not only realize the automatic tension winding function of the cylindrical winding, but also prepare high-performance transformers containing the cylindrical winding.

Description

An intelligent processing system for cylindrical windings of power grid transformers with high safety

The present invention is a divisional application of a Chinese patent application with the application number 2017100114307 filed on January 6, 2016, and the title of the invention is a cylindrical winding processing equipment for distribution network substation transformers.

technical field

The invention relates to the technical field of transformer processing, in particular to an intelligent processing system for cylindrical windings of power grid transformers with high safety.

Background technique

The transformer uses the principle of electromagnetic induction to change the AC voltage device. It is composed of a coil and a magnetic core. It has functions such as voltage conversion, current conversion, impedance conversion, isolation, and voltage stabilization. Therefore, it is widely used in distribution network substations. The coil It is the main structure that affects the performance of the transformer. In the production process of the transformer coil, to ensure that the outer diameter and axial height of the coil to be wound meet the design requirements, the winding wire must be tightened during the winding process to improve the winding. The degree of tightness of the winding ensures that the winding is not damaged or the degree of damage is minimized in the event of a sudden short circuit. Otherwise, the outer diameter and axial height of the coil will be too large, the requirements of the design drawings will not be met, and the assembly will be difficult and the transformer will be damaged. Performance parameters do not meet the requirements and other conditions, which directly affect the quality of the produced transformers. Cylindrical windings are one of the most widely used transformer windings, but the existing cylindrical winding manufacturing process and transformers using cylindrical windings have the following defects: 1. The common straightening method used in existing cylindrical windings The tensioning equipment requires manual adjustment of the tension force, and the tensioning position cannot be moved. When winding horizontally, the guiding equipment needs to guide the position of the guide wire to perform correct winding. The operation is complicated, the tensioning effect is poor, and the work efficiency is low; 2. Now The cylindrical windings used by transformers are basically obtained by manual-assisted semi-automatic equipment windings. The performance of the windings is not uniform, so that the performance of the produced transformers is not uniform, the qualified rate of the transformers is low, and the quality of the transformers is low.

Contents of the invention

In order to solve the above problems, the present invention provides an intelligent processing system for cylindrical windings of power grid transformers with high safety, which can solve the problems of existing manual winding process of cylindrical windings and transformers prepared by manual winding cylindrical windings There are problems such as the need to adjust the tension force, the tension position cannot be adjusted with the winding position, complex operation, poor tension effect, inconsistent transformer performance, low transformer qualification rate and low transformer quality, etc., can realize the cylindrical winding Fully automatic tension winding function, can also prepare high-performance transformers with cylindrical windings, without manual operation, with automatic tension adjustment, tension position can be automatically adjusted with the winding position, easy operation, easy tension It has the advantages of good effect, uniform performance of transformers, high qualified rate of transformers and good quality of transformers.

In order to achieve the above object, the present invention adopts the following technical solution: a cylindrical winding processing equipment, including a bottom plate, two mounting ears are symmetrically installed on the upper surface of the bottom plate, and a bearing is passed between the two mounting ears. An insulating cylinder is installed, and the front end of the insulating cylinder is equipped with a winding motor through a coupling. The bottom end of the winding motor is installed on the vertical plate through the motor base, and the vertical plate is welded on the bottom plate. The left end of the bottom plate is equipped with a mobile tensioning device. The mobile tensioning device has a V-shaped structure and is wound with wire strips. The mobile tensioning device can be adjusted according to the winding position of the wire strips. There is no need to manually adjust the tensioning position, and the mobile tensioning device can automatically adjust the tension of the wire strip during the working process. The beginning of the wire strip is wound on the insulating cylinder, and the wire strip is wound several times on the outer wall of the insulating cylinder. Made into a cylindrical winding.

The mobile tensioning device includes two No. 1 linear slide rails installed on the base plate, each No. 1 linear slide rail is equipped with a moving plate, and the two moving plates on the No. 1 linear slide rails are installed on the top. There is a tension support plate, the lower end of the tension support plate is equipped with a moving mechanism, the lower end of the moving mechanism is installed on the bottom plate, and the moving mechanism drives the two moving plates to move on the two No. 1 linear slide rails, and the two moving plates Drive the tensioning support plate to move, so that the tensioning position can be adjusted automatically with the winding position of the wire strip, without manual adjustment of the tensioning position, the upper end of the tensioning support plate is installed with the first tensioning support in sequence from right to left chain, the second tensioning branch chain and the third tensioning branch chain, and the first tensioning branch chain, the second tensioning branch chain and the third tensioning branch chain are V-shaped structure pierced with wire strips, using The V-shaped winding structure of the wire strip tensions the wire strip during the winding process, and the first tension branch chain, the second tension branch chain and the third tension branch chain pair can automatically adjust the tension of the wire strip. The tension of the three parts, so that the wire strip will not be too tight or too loose during the winding process, and also makes the cylindrical winding obtained by winding the wire strip have better performance; the tension support Two emergency stop limit mechanisms are symmetrically installed on both sides of the lower end surface of the plate. The lower ends of the two emergency stop limit mechanisms are installed on the bottom plate. It is necessary to carry out double-layer winding at the end of the insulating cylinder, so as to ensure that the conductor bar of the next layer is equal to that of the previous layer. At this time, it is necessary to move the tensioning device to stay in the original position for a while for double-layer winding. At this time, the present invention adopts symmetrical The two emergency stop limit mechanisms set are tightly limited to prevent the mobile tension device from moving during double-layer winding and affecting the work of the wire bar.

The emergency stop limiting mechanism includes an emergency stop card column installed on the base plate, and several card slots are evenly arranged on the emergency stop card column in the horizontal direction, and a partition is formed between two adjacent card slots; The lower end of the tight support plate is provided with an emergency stop support plate, and the lower end of the emergency stop support plate is welded with a baffle plate. An emergency stop motor is installed on the inner wall of the baffle plate through a motor seat. The upper end of the limit post is used in conjunction with the limit slot, the limit slot is welded on the lower surface of the emergency stop support plate, the lower end of the limit post is used in conjunction with the corresponding card slot on the emergency stop card post, when the wire strip is wound to the insulating cylinder When the end position requires emergency stop for double-layer winding, the emergency stop motor drives the limit column to rotate, the upper end of the limit column rotates into the limit groove for limit, and the lower end of the limit column rotates to the corresponding slot on the emergency stop clamp column To limit the position, use the upper and lower simultaneous limits of the upper and lower limit columns of the two emergency stop limit mechanisms to limit the mobile tension device tightly, and the emergency stop limit effect is good.

As a preferred technical solution of the present invention, the insulating cylinder is wrapped with a layer of dot glue paper before the wire strip is wound, and the dot glue paper plays an insulating role, so that the inner wall of the wire strip is in an insulating state when the wire strip is installed.

As a preferred technical solution of the present invention, the moving mechanism includes two racks installed on the bottom plate, each rack is meshed with a transmission gear, and the two transmission gears on the two racks are symmetrically fixed on the On the moving shaft, the two ends of the moving shaft are respectively fixed on the inner walls of the two moving plates through bearings, the middle part of the moving shaft is fixed with a driven gear, the driven gear meshes with the driving gear, and the middle part of the driving gear is fixed on the moving motor , the mobile motor is installed on the lower end surface of the tension support plate through the motor seat, the invention drives the driving gear to rotate through the mobile motor, the driving gear drives the driven gear to rotate, the driven gear drives the moving shaft to rotate, and the moving shaft passes through two racks and The symmetrical guiding movement of the two transmission gears drives the two moving plates to move back and forth stably on the two No. 1 linear slide rails, and the two moving plates drive the tension support plate to move. The transmission, the driving gear and rack guiding movement on both sides and the auxiliary guiding movement of the two No. 1 linear slide rails make the transmission relatively stable and the transmission effect is good, so that the tensioning position can be adjusted automatically with the winding position of the wire bar, without the need for Manually adjust the tension position.

As a preferred technical solution of the present invention, the first tension branch chain, the second tension branch chain, and the third tension branch chain have the same structure with different proportions, and the stretching and contraction of the second tension branch chain The length is greater than the stretching and telescopic length of the first tensioning branch chain and the third tensioning branch chain, which ensures that the wire bar can be wound in a V-shaped structure to achieve a tensioning effect; the first tensioning branch chain includes welding On the two support plates on the tension support plate, a tension table is installed on the top of the two support plates, and a telescopic rod is installed in the middle of the tension table. The telescopic rod between the tensioning tables is covered with a limit spring, and the telescopic rod can be stretched up and down with the tension force of the wire bar under the limit elastic force of the limit spring, so that the wire bar can be automatically adjusted to a suitable tension. Two tensioning lugs are installed symmetrically on the guide table, and a tensioning wheel is installed between the two tensioning lugs through a pin shaft, and the length of the limit spring on the second tensioning branch chain is greater than The length of the limit springs of the first tension branch chain and the third tension branch chain ensures that the limit distance of the limit spring on the second tension branch chain is larger than that of the first tension branch chain and the third tension branch chain Large, which ensures the automatic tensioning effect of the V-shaped structure of the wire strip.

As a preferred technical solution of the present invention, both sides of the front end of the partition are inwardly concave slope structures, and the head of the partition is a semicircular arc structure, and both sides of the front end of the partition are concave inward. The inclined surface structure and the semicircular arc structure of the partition head can guide the limit column into the corresponding card slot. When the limit column is not just outside the corresponding card slot, use the above-mentioned partition Special structure and with the assistance of slight movement of the moving mechanism, the limit column can be guided to the correct limit position, and the emergency stop limit effect is good.

As a preferred technical solution of the present invention, when the limit post is in a vertical state relative to the emergency stop support plate, both sides of the lower end of the limit post are attached to the two side walls of the corresponding card slot, and the lower end of the limit slot There are two upwardly extending side plates symmetrically arranged, and when the limit column is in a vertical state relative to the emergency stop support plate, the upper two sides of the limit column are attached to the inner walls of the two edge plates, and the two sides of the lower end of the limit column are both Adhere to the two side walls of the corresponding card slot and the two sides of the limit post and stick to the two inner walls of the plate to prevent the limit post from moving slightly back and forth, and ensure that the mobile tensioning device is in emergency stop. No movement occurs when double-layered.

During the work of the present invention, at first by moving the first tensioning branch chain on the tensioning device, the second tensioning branch chain and the 3rd tensioning branch chain, the conductor bar is tensioned, utilize the first tensioning branch chain, the second tensioning branch chain The telescopic rods on the tensioning branch chain and the third tensioning branch chain can be stretched up and down with the tension force of the wire strip under the limit elastic force of the limit spring, so that the wire strip can be automatically adjusted to the appropriate tension force At the same time, the V-shaped threading structure is used to evenly tension the wire bar during the whole process of winding, and then the winding motor starts to work. The winding motor drives the insulating cylinder to rotate on the two mounting ears, and the insulating cylinder begins to slowly and evenly roll. Winding the wire bar, because the wire bar needs to be fed forward and backward, at this time the moving mechanism on the mobile tensioning device starts to work, the moving motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the moving shaft to rotate. The moving shaft drives the two moving plates to move back and forth stably on the two No. 1 linear slide rails through the symmetrical guiding motion of the two racks and the two transmission gears, and the two moving plates drive the tension support plate to move. The present invention Driven by the driving gear and driven gear in the middle, the guiding movement of the driving gear and rack on both sides and the auxiliary guiding movement of the two No. 1 linear slide rails make the transmission relatively stable, the transmission effect is good, and the transmission effect is good, so that the tension position can be It is automatically adjusted with the winding position of the wire strip, and there is no need to manually adjust the tension position. When the wire strip is wound to the end of the insulating cylinder and needs to be stopped for double-layer winding, the two emergency stop limit mechanisms on the two The emergency stop motor starts to work at the same time. The emergency stop motor drives the limit column to rotate. The upper and lower limits of the upper limit column of an emergency stop limit mechanism will tightly limit the mobile tension device. The effect of emergency stop limit is good, and then the wire strip is quickly wound, and then the wire strip is installed in the above way and reversed for the first step. The two-layer winding finally realizes the fully automatic tension winding function of the cylindrical winding according to the above method.

The beneficial effects of the present invention are:

1. The present invention utilizes the telescopic rods on the first tensioning branch chain, the second tensioning branch chain and the third tensioning branch chain to be able to move up and down with the tension force of the wire strip under the assistance of the limit elastic force of the limit spring. Stretching, so that the wire strip can be automatically adjusted to the appropriate tension, and at the same time, the V-shaped winding structure is used to evenly tension the wire strip during the winding process;

2. The moving mechanism designed by the present invention makes the transmission relatively stable and the transmission effect is good through the transmission of the driving gear and the driven gear in the middle, the guiding movement of the driving gear and rack on both sides and the auxiliary guiding movement of the two No. 1 linear slide rails, so that The tensioning position can be adjusted automatically with the winding position of the wire strip, without manual adjustment of the tensioning position;

3. When the wire strip is wound to the end of the insulating cylinder and needs to be stopped for double-layer winding, the invention drives the upper end of the limit column to rotate to the limit slot through two emergency stop motors on the two emergency stop limit mechanisms The limit is carried out inside and the lower end of the limit column is rotated to the corresponding card slot on the emergency stop card column for limit, and the mobile tensioning device is tightly limited by the upper and lower limit of the upper limit column of the two emergency stop limit mechanisms. Good emergency stop limit effect;

4. When the limit column is not just outside the corresponding card slot, the present invention uses the inwardly concave slope structure adopted on both sides of the front end of the partition and the semicircular arc structure adopted at the head of the partition to make the moving mechanism slightly With the assistance of movement, the limit column can be guided to the correct limit position, which increases the effect of emergency stop limit;

5. The present invention solves the existing manual winding process of cylindrical windings and the need to adjust the tension force, the tension position cannot be adjusted with the winding position, complex operation, and tension Poor effect, non-uniform transformer performance, low transformer qualification rate and low transformer quality, etc., can not only realize the automatic tension winding function of cylindrical windings, but also prepare high-performance transformers containing cylindrical windings. Without manual operation, it has the advantages of automatic tension adjustment, tension position can be adjusted automatically with the winding position, easy operation, good tension effect, uniform transformer performance, high transformer qualification rate and good transformer quality.

Description of drawings

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

Fig. 1 is the structural representation of cylindrical winding processing equipment of the present invention;

Fig. 2 is a structural schematic diagram between the base plate of the present invention, the wire bar and the mobile tensioning device after the emergency stop limit mechanism is removed;

Fig. 3 is the I to partial enlarged view of Fig. 2 of the present invention;

Fig. 4 is a schematic diagram of the first structure of the emergency stop limit mechanism of the present invention;

Fig. 5 is a second structural schematic diagram of the emergency stop limiting mechanism of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

As shown in Figures 1 to 5, the embodiment of the present invention provides a cylindrical winding processing equipment, including a bottom plate 1, two mounting ears 2 are symmetrically installed on the upper end surface of the bottom plate 1, and the two mounting ears 2 The insulation cylinder 4 is installed through the bearing, the front end of the insulation cylinder 4 is installed with the winding motor 5 through the coupling, the bottom end of the winding motor 5 is installed on the vertical plate 6 through the motor seat, and the vertical plate 6 is welded on the bottom plate 1 The winding motor 5 drives the insulating cylinder 4 to rotate on the two mounting ears 2. The left end of the bottom plate 1 is equipped with a mobile tensioning device 7. The mobile tensioning device 7 is V-shaped and has a wire bar 9 wound around it. The tensioning device 7 can be adjusted according to the winding position of the wire bar 9 without manual adjustment of the tensioning position, and moving the tensioning device 7 can automatically adjust the tension of the wire bar 9 in the working process, the wire bar 9 The starting end of the wire is wound on the insulating cylinder 4, and the wire bar 9 is wound several times on the outer wall of the insulating cylinder 4 to form a cylindrical winding.

The mobile tensioning device 7 includes two No. 1 linear slide rails 71 installed on the base plate 1, each No. 1 linear slide rail 71 is equipped with a moving plate 72, and the No. 1 linear slide rails 71 on the two No. 1 linear slide rails The upper ends of the two moving plates 72 are equipped with a tensioning support plate 73, and the lower end surface of the tensioning support plate 73 is equipped with a moving mechanism 74. The two No. 1 linear slide rails 71 move, and the two moving plates 72 drive the tensioning support plate 73 to move, so that the tensioning position can be automatically adjusted along with the winding position of the conductor bar 9 without manual adjustment of the tensioning position. The upper end of the tensioning support plate 73 is installed with the first tensioning branch chain 75, the second tensioning branch chain 76 and the third tensioning branch chain 77 successively from right to right, and the first tensioning branch chain 75, the second tensioning branch chain The tight branch chain 76 and the third tension branch chain 77 have a V-shaped structure and are wound with a wire bar 9, and the V-shaped threaded structure of the wire bar 9 is used to tension the wire bar 9 during the winding process, and Utilize the first tensioning branch chain 75, the second tensioning branch chain 76 and the third tensioning branch chain 77 to be able to automatically adjust the tension force size of these three positions of the wire bar 9, so that the wire bar 9 is in the winding process There will not be too tight or too loose, and the performance of the cylindrical winding obtained by winding the wire bar 9 is better; the lower end surface of the tension support plate 73 is symmetrically installed with two emergency stop limiters on both sides. Mechanism 78, the lower ends of two emergency stop limit mechanisms 78 are installed on the base plate 1, when the wire bar 9 needs to be wound on the next layer after winding one layer of the insulating tube 4, it is necessary to carry out double winding at the end position of the insulating tube 4. Layer winding, so as to ensure that the conductor bar 9 of the next layer is equal to the upper layer. At this time, it is necessary to move the tensioning device 7 to stay in the original position for a while. The position mechanism 78 is tightly limited to prevent the mobile tension device 7 from moving and affecting the working situation of the wire bar 9 when double-layer winding is performed.

The emergency stop limiting mechanism 78 includes an emergency stop post 781 installed on the base plate 1, and a plurality of card slots 782 are evenly arranged on the emergency stop post 781 horizontally, and a block is formed between two adjacent card slots 782. Partition 783; the lower end surface of the tensioning support plate 73 is provided with an emergency stop support plate 784, and the lower end of the emergency stop support plate 784 is welded with a baffle plate 785, and an emergency stop motor 786 is installed on the inner wall of the baffle plate 785 through a motor seat, and the emergency stop power Limit post 787 is installed on the output shaft of machine 786, and the upper end of limit post 787 cooperates with limit groove 788 and uses, and limit groove 788 is welded on emergency stop support plate 784 lower end faces, and the lower end of limit post 787 and emergency The corresponding card groove 782 on the stop card column 781 is used in conjunction with each other. When the wire bar 9 is wound to the end position of the insulating cylinder 4 and needs to be stopped for double-layer winding, the emergency stop motor 786 drives the limit column 787 to rotate, and the limit The upper end of the column 787 is rotated into the limit groove 788 to limit the position, and the lower end of the limit column 787 is rotated to the corresponding card slot 782 on the emergency stop card column 781 to limit the position. Simultaneously, the position limit will move the tensioning device 7 to limit the position tightly, and the emergency stop limit effect is good.

Before the wire bar 9 is wound, the insulating cylinder 4 is wound with a layer of dot glue paper, and the dot glue paper plays an insulating role, so that the inner wall of the wire bar 9 is in an insulating state when it is installed.

The moving mechanism 74 includes two racks 741 installed on the bottom plate 1, each rack 741 is meshed with a transmission gear 742, and the two transmission gears 742 on the two racks 741 are symmetrically fixed on the moving shaft 743 Above, the two ends of the moving shaft 743 are respectively fixed on the inner walls of the two moving plates 72 through bearings, the middle part of the moving shaft 743 is fixedly equipped with a driven gear 744, the driven gear 744 meshes with the driving gear 745, and the middle part of the driving gear 745 Fixed on the mobile motor 746, the mobile motor 746 is installed on the lower end surface of the tension support plate 73 through the motor base, the present invention drives the driving gear 745 to rotate by the mobile motor 746, the driving gear 745 drives the driven gear 744 to rotate, and the driven gear 744 Drive the moving shaft 743 to rotate, and the moving shaft 743 drives the two moving plates 72 to move back and forth stably on the two No. The plate 72 drives the tension support plate 73 to move. The present invention is driven by the driving gear 745 driven gear 744 in the middle, the guiding motion of the driving gear 742 rack 741 on both sides and the auxiliary guiding motion of the two No. 1 linear slide rails 71. The transmission is relatively stable and the transmission effect is good, so that the tensioning position can be adjusted automatically along with the winding position of the conductor bar 9 without manual adjustment of the tensioning position.

The first tensioning branch chain 75, the second tensioning branch chain 76, and the third tensioning branch chain 77 are the same structure with different proportions, and the stretching length of the second tensioning branch chain 76 is greater than that of the first tensioning branch chain. The stretching stretch length of branch chain 75, the 3rd tensioning branch chain 77 has ensured that wire bar 9 can wear around with V-shaped structure and play tensioning effect; Described first tensioning branch chain 75 includes welded Tighten the two support plates 751 on the support plate 73, the upper ends of the two support plates 751 are equipped with a tensioning platform 752, the middle part of the tensioning platform 752 is equipped with a telescopic rod 753, and the top of the telescopic rod 753 is installed on the lower end surface of the guide platform 754, And the telescopic rod 753 that is positioned between the guide table 754 and the tensioning table 752 is sleeved with a limit spring 755, and the telescopic rod 753 can be carried out along with the tension force of the wire bar 9 under the assistance of the limit elastic force of the limit spring 755. Up and down telescopic, so that the wire bar 9 can be automatically adjusted to a suitable tension. Two tension lugs 756 are symmetrically installed on the guide table 754, and a tension wheel is installed between the two tension lugs 756 through a pin shaft. 757, and the length of the limit spring 755 on the second tension branch chain 76 is greater than the limit spring length 755 of the first tension branch chain 75 and the third tension branch chain 77, which ensures the second tension branch chain The limit distance of the limit spring 755 on the 76 is larger than the first tensioning branch chain 75 and the third tensioning branch chain 77, thereby ensuring that the V-shaped structure of the wire bar 9 is worn around the automatic tensioning effect.

Both sides of the front end of the partition 783 are inwardly concave slope structures, and the head of the partition 783 is a semicircular arc structure, and both sides of the front end of the partition 783 adopt an inwardly concave slope structure and the partition 783 The head adopts a semicircular arc structure to guide the limit post 787 into the corresponding slot 782. When the stop post 787 is not just outside the corresponding slot 782, the above-mentioned special feature of the partition 783 can be used. structure and with the slight movement assistance of the moving mechanism, the limit post 787 can be guided to the correct limit position, and the emergency stop limit effect is good.

When the limit post 787 is in a vertical state relative to the emergency stop support plate 784, both sides of the lower end of the limit post 787 are attached to the two side walls of the corresponding card slot 782, and the lower end of the limit slot 788 is symmetrically provided with upwardly extending Two along the plate 789, and when the limit column 787 is in a vertical state relative to the emergency stop support plate 784, the upper side surfaces of the limit column 787 are attached to the inner walls of the two edge plates 789, and the lower end sides of the limit column 787 Evenly attached to the two side walls of the corresponding card slot 782 and the two sides of the limit post 787 are attached to the two inner walls of the plate 789 to prevent the limit post 787 from slightly moving back and forth, and to ensure the movement of the tensioning device There is no movement during double-layer winding with an emergency stop.

During the work of the present invention, at first the first tension branch chain 75, the second tension branch chain 76 and the third tension branch chain 77 on the mobile tensioning device 7 are tensioned to the wire bar 9, and the first tension branch chain is utilized to The telescopic rod 753 on the branch chain 75, the second tension branch chain 76 and the third tension branch chain 77 can be stretched up and down along with the tension force of the wire bar 9 under the limit elastic force of the limit spring 755, so that The wire bar 9 can be automatically adjusted to a suitable tension force, and at the same time, the wire bar 9 is evenly tensioned throughout the winding process, and then the winding motor 5 starts to work, and the winding motor 5 drives the insulating cylinder 4 on the two mounting ears. 2, the insulating cylinder 4 begins to slowly and evenly wind the wire bar 9. Since the wire bar 9 needs to be fed back and forth, the moving mechanism 74 on the mobile tensioning device 7 starts to work, and the moving motor 746 drives the driving gear 745 to rotate. , the driving gear 745 drives the driven gear 744 to rotate, and the driven gear 744 drives the moving shaft 743 to rotate, and the moving shaft 743 drives the two moving plates 72 through the symmetrical guiding motion of the two tooth racks 741 and the two transmission gears 742 in two The No. 1 linear slide rail 71 performs stable back and forth movement, and the two moving plates 72 drive the tension support plate 73 to move. The present invention uses the gear transmission in the middle, the rack and pinion guide movement on both sides and the two No. 1 linear slide rails 71 The auxiliary guiding movement makes the transmission relatively stable and the transmission effect is good, so that the tension position can be adjusted automatically with the winding position of the wire strip 9, without manual adjustment of the tension position. When the wire strip 9 is wound to the end of the insulating cylinder When the central position needs emergency stop for double-layer winding, the two emergency stop motors 786 on the two emergency stop limit mechanisms 78 start working at the same time, and the emergency stop motor 786 drives the limit column 787 to rotate, and the limit column 787 upper end rotates to Positioning is carried out in the limit groove 788, and the lower end of the limit post 787 is rotated to the corresponding card slot 782 on the emergency stop card post 781 to limit the position, and the upper and lower limit positions of the upper limit post 787 of the two emergency stop limit mechanisms 78 will move The tension device 7 is tightly limited, and the emergency stop limit effect is good. Then the wire bar 9 is quickly wound, and then the wire bar 9 is installed in the above-mentioned way and reversed for the second layer of winding. Finally, the cylinder is realized according to the above-mentioned method. The fully automatic tensioning winding function of the cylindrical winding solves the problems existing in the existing manual winding process of the cylindrical winding such as the need to adjust the tension force, the tension position cannot be adjusted with the winding position, the operation is complicated and the tension effect is poor.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the specification only illustrate the principles of the present invention, and without departing from the spirit and scope of the present invention, the present invention will also There are various changes and improvements which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. An intelligent processing system for cylindrical windings of power grid transformers with high safety, characterized in that: it includes a bottom plate (1), and two mounting ears (2) are symmetrically installed on the upper end surface of the bottom plate (1). An insulating cylinder (4) is installed between the two mounting ears (2) through bearings, the front end of the insulating cylinder (4) is installed with a winding motor (5) through a coupling, and the bottom end of the winding motor (5) passes through the motor base Installed on the vertical plate (6), the vertical plate (6) is welded on the bottom plate (1), the left end of the bottom plate (1) is equipped with a mobile tensioning device (7), and the mobile tensioning device (7) is V-shaped The structure is wound with a wire bar (9), the beginning of the wire bar (9) is wound on the insulating cylinder (4), and the wire bar (9) is wound several times on the outer wall of the insulating cylinder (4) to form a cylinder type winding; The mobile tensioning device (7) includes two No. 1 linear slide rails (71) installed on the base plate (1), each No. 1 linear slide rail (71) is equipped with a moving plate (72), Tension struts (73) are installed on the upper ends of the two moving plates (72) on the two No. 1 linear slide rails (71), and a moving mechanism (74) is installed on the lower end of the tensioning struts (73). The lower end of (74) is installed on the base plate (1), and the upper end of tension support plate (73) is successively installed with the first tension branch chain (75), the second tension branch chain (76) and the first tension branch chain (76) from right to left. Three tensioning branch chains (77), and the first tensioning branch chain (75), the second tensioning branch chain (76) and the third tensioning branch chain (77) are V-shaped structures pierced with wire strips (9); two emergency stop limit mechanisms (78) are symmetrically installed on both sides of the lower end surface of the tension support plate (73), and the lower ends of the two emergency stop limit mechanisms (78) are installed on the bottom plate (1) superior; The emergency stop limiting mechanism (78) includes an emergency stop post (781) installed on the base plate (1), and several card slots (782) are evenly arranged in the transverse direction on the emergency stop post (781), and adjacent A partition (783) is formed between the two slots (782); the lower end of the tension support (73) is provided with an emergency stop support (784), and the lower end of the emergency stop support (784) is welded with a stop Plate (785), the emergency stop motor (786) is installed on the inner wall of the baffle plate (785) through the motor seat, and the limit column (787) is installed on the output shaft of the emergency stop motor (786), and the upper end of the limit column (787) Used in conjunction with the limit slot (788), the limit slot (788) is welded on the lower end surface of the emergency stop support plate (784), the lower end of the limit post (787) and the corresponding card on the emergency stop post (781) Groove (782) is used in conjunction; The first tension branch chain (75), the second tension branch chain (76), and the third tension branch chain (77) are the same structures with different proportions, and the second tension branch chain (76) has the same structure. The stretching length is greater than the stretching length of the first tensioning branch chain (75) and the third tensioning branch chain (77); When the limit column (787) is in a vertical state relative to the emergency stop support plate (784), both sides of the lower end of the limit column (787) are attached to the two side walls of the corresponding card slot (782); The moving mechanism (74) includes two racks (741) installed on the base plate (1), each rack (741) is engaged with a transmission gear (742), and the two racks (741) The two transmission gears (742) are symmetrically fixed on the moving shaft (743), the two ends of the moving shaft (743) are respectively fixed on the inner walls of the two moving plates (72) through bearings, and the middle part of the moving shaft (743) is fixedly installed Driven gear (744) is arranged, and driven gear (744) is meshed with driving gear (745), and the middle part of driving gear (745) is fixed on the moving motor (746), and moving motor (746) is installed on Zhang by motor base. On the lower end face of the tight support plate (73); The first tension branch chain (75) includes two support plates (751) welded on the tension support plate (73), and a tension platform (752) is installed on the upper ends of the two support plates (751). A telescopic rod (753) is installed in the middle part of the tight platform (752), and the top of the telescopic rod (753) is installed on the lower end surface of the guide platform (754), and is positioned between the guide platform (754) and the tension platform (752). A limit spring (755) is sleeved on the telescopic rod (753), and two tension lugs (756) are symmetrically installed on the guide table (754), and the two tension lugs (756) are installed through pin shafts. There is a tensioning wheel (757), and the length of the limit spring (755) on the second tensioning branch chain (76) is greater than that of the first tensioning branch chain (75) and the third tensioning branch chain (77) Limit spring length (755); Both sides of the front end of the partition (783) are inwardly concave slope structures, and the head of the partition (783) is a semicircular arc structure. 2. A highly safe power grid transformer cylindrical winding intelligent processing system according to claim 1, characterized in that: the insulating cylinder (4) is wound with a layer of dots before the wire strip (9) is wound Adhesive paper. 3. A high-safety intelligent processing system for cylindrical windings of power grid transformers according to claim 1, characterized in that: the lower end of the limiting groove (788) is symmetrically provided with two upward extending along the plate (789), and the two side surfaces on the limit post (787) when the stop post (787) was in a vertical state relative to the emergency stop support plate (784) were attached to the two inner walls along the plate (789).