CN211719346U

CN211719346U - Cabling equipment for superconducting cable

Info

Publication number: CN211719346U
Application number: CN202020075220.1U
Authority: CN
Inventors: 包颖; 程宏英; 蔡渊; 陈慧娟
Original assignee: Dongbu Superconducting Technology Suzhou Co ltd
Current assignee: Dongbu Superconducting Technology Suzhou Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-20
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses cabling equipment for a superconducting cable, which comprises a forming assembly and a traction device, wherein the forming assembly comprises a wheel disc, a guide die and a first belt gathering frame which are arranged in sequence, and the wheel disc is used for winding a belt body; the wheel disc, the first guide wheel and the guide die are correspondingly distributed and arranged in a collinear manner; the guide die comprises a base and an adjusting seat connected with the base, the adjusting seat can move along multiple degrees of freedom relative to the base, and the adjusting seat is used for guiding the belt body so as to guide the belt body; the first belt converging frame comprises a first frame body and a plurality of first extending ends positioned at the end part of the first frame body, the first extending ends are provided with first through holes for the belt body to penetrate through, a base material penetrates through the center of the first frame body, and when the first frame body rotates, the belt body can be wound on the surface of the base material to form a superconducting cable; the traction device is used for driving the substrate to move linearly. The utility model discloses can protect the performance of strip in order to guarantee high temperature superconducting cable at the in-process of hank system.

Description

Cabling equipment for superconducting cable

Technical Field

The utility model relates to a stranding equipment field of cable, concretely relates to cabling equipment for superconducting cable.

Background

The high-temperature superconducting cable can meet the requirements of low-loss and large-capacity power transmission, has a compact structure and a small volume, and is widely applied to the field of high-power transmission. Nowadays, more and more high-temperature superconducting cables adopt ReBCO superconducting tapes as structural units of electrified conductors, and adopt composite paper tapes as cold insulating materials under liquid nitrogen media; the layered structure of the superconducting tape is a packaging structure of superconducting materials, a base tape, common metals and the like, and is complex compared with a common conductor structure and fragile in mechanical property, and local defects are easy to occur due to improper protection in the manufacturing, production and use processes of the tape, so that local critical current is reduced, and the current carrying capacity of the superconducting tape is further influenced; when the superconducting tape is applied to the electrified conductor of the cable body, local defects appearing in the superconducting tape become concentrated heating points in the processing process, and the through-current capacity of the electrified conductor is reduced.

The conventional conductor stranding equipment is only suitable for metal materials such as copper, aluminum and the like with certain tensile property, and the processed stranding object is in a round wire shape, and the materials can bear certain tensile and compressive stress in the processing process. However, the high-temperature superconducting cable adopts a rectangular strip, and the main structure of the high-temperature superconducting cable is that a base strip layer attached to a superconducting layer film is coated on a composite strip with two metal protection layers, and the three layers are compounded in a fixing mode of tin soldering fusion pressure; namely a continuous rectangular strip with certain thickness and width (4-16 mm), and the coiling and uncoiling tape loading reel is a cake-shaped tape reel, so that the structure of the strip can be damaged by conventional cable conductor stranding equipment, unrecoverable mechanical damage can be caused, and the superconducting characteristic of the strip can be damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a cabling equipment for superconducting cable, its can be in the performance of the in-process protection strip of system of stranding in order to guarantee high temperature superconducting cable.

In order to solve the technical problem, the utility model provides a cabling equipment for superconducting cables, which comprises a forming assembly and a traction device, wherein the forming assembly comprises a wheel disc, a guide die and a first belt gathering frame which are arranged in sequence, and the wheel disc is used for winding a belt body; the wheel disc and the guide die are correspondingly distributed and arranged in a collinear way; the guide die comprises a base and an adjusting seat connected with the base, the adjusting seat can move along multiple degrees of freedom relative to the base, and the adjusting seat is used for guiding the belt body so as to guide the belt body; the first junction frame comprises a first frame body and a plurality of first extending ends positioned at the end part of the first frame body, the first extending ends are used for guiding the strip to move towards the base material, the base material penetrates through the center of the first frame body, and when the first frame body rotates, the strip body can be wound on the surface of the base material to form a superconducting cable; the traction device is used for driving the substrate to move linearly.

Furthermore, the adjusting seat is rotationally connected with the base through a linkage plate, and the adjusting seat is slidably connected with the linkage plate through a linkage mechanism; the linkage mechanism comprises a transverse sliding rail, a longitudinal sliding rail and a sliding block, wherein the transverse sliding rail and the longitudinal sliding rail are vertically arranged to form a cross point, and the sliding block is located at the cross point and is matched with the transverse sliding rail and the longitudinal sliding rail.

Furthermore, the adjusting seat is connected with the base through a universal joint.

Furthermore, the adjusting seat is connected with the base through an elastic piece.

Furthermore, the cabling equipment also comprises a wrapping assembly, and the base material can sequentially pass through the forming assembly and the wrapping assembly; the winding assembly comprises a winding drum and a second band gathering frame, the winding drum is used for winding the protective layer, the second band gathering frame comprises a second frame body and a plurality of second stretching ends, the second stretching ends are located at the end portion of the second frame body, the second stretching ends are provided with second through holes for the belt body to penetrate through, a preliminarily twisted superconducting cable is arranged at the center of the second frame body in a penetrating mode, and when the second frame body rotates, the protective layer can wind the surface of the superconducting cable arranged on the preliminarily twisted superconducting cable.

Further, the center lines of the first frame body and the second frame body are arranged in a collinear manner.

Further, the traction device comprises a friction wheel and a driving piece for driving the friction wheel to rotate, and the friction wheel can be in contact with the base material to drive the base material to move.

Furthermore, the first extending ends are uniformly distributed around the first frame body.

Furthermore, the cabling equipment also comprises a paying-off device, wherein the paying-off device comprises a first roller and a first rotating piece used for driving the first roller to rotate, and the first roller is used for winding the base material.

Furthermore, the cabling equipment further comprises a cable take-up device, wherein the cable take-up device comprises a second roller and a second rotating piece used for driving the second roller to rotate, and the second roller is used for winding the superconducting cable.

The utility model has the advantages that:

the first frame body can rotate along the central axis of the first frame body, so that the belt bodies distributed outside the base material are wound on the surface of the base material; the traction device can drive the base material to move along a straight line while the tape body is wound outside the base material, so that the tape body is continuously wound on the surface of the base material to form the superconducting cable;

meanwhile, a plurality of strips are uniformly wound on the base material, the pitch is stable in the continuous winding process, the strips are fully protected, and meanwhile, the uniform pitch winding of the strips can be met, so that the design requirement of the structure, the bending requirement in the production process and the safe operation of the cable are realized; the utility model discloses realize the stable control of superconductive strip coiling pitch, can ensure the wrapping quality of strip cladding process, coiling equipment process control can realize the automation simultaneously, and superconductive strip obtains the protection in the use.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of a forming assembly of the present invention;

fig. 3 is a schematic view of a first belt hanger in the present invention;

fig. 4 is a first schematic diagram of a linkage mechanism in the present invention;

fig. 5 is a schematic diagram two of the linkage mechanism of the present invention;

fig. 6 is a schematic view of the wrapping assembly of the present invention.

The reference numbers in the figures illustrate: 1. a pay-off device; 11. a first drum; 12. a first rotating member; 2. a molding assembly; 21. a wheel disc; 22. a first guide wheel; 23. guiding a die; 231. a base; 232. an adjusting seat; 233. a linkage plate; 4. a linkage mechanism; 41. a transverse slide rail; 42. a longitudinal slide rail; 43. a slider; 24. a first belt convergence rack; 241. a first frame body; 242. a first protruding end; 5. a traction device; 51. a friction wheel; 6. wrapping the assembly; 61. a reel; 62. a second belt gathering frame; 621. a second frame body; 622. a second protruding end; 7. a take-up device; 71. a second drum; 72. a second rotating member; 8. a belt body; 9. a substrate.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 to 6, an embodiment of a cabling apparatus for a superconducting cable according to the present invention includes a forming assembly 2 and a traction device 5, wherein the forming assembly 2 is used for winding a strip around an outer portion of a substrate 9, and the traction device 5 is used for driving the substrate 9 to move along a straight line, so that the strip is continuously wound around a surface of the substrate 9 to form the superconducting cable through a synchronous movement of the forming assembly 2 and the traction device 5.

The forming assembly 2 comprises a wheel disc 21, a first guide wheel 22, a guide die 23 and a first belt gathering frame 24 which are arranged in sequence. The rim plate 21 is used for around establishing the area body 8, and the first pivot is worn to be equipped with jointly in the center pin department of whole rim plate 21, and when first pivot was rotatory, the blowing of the area body 8 was realized in the synchronous rotation of whole rim plate 21. The belt body 8 can be wound around the first guide wheel 22 to guide the belt body 8 by the first guide wheel 22; while all of the first guide wheels 22 are fixed to the first fixing bar. The guide die 23 is used for guiding the belt body 8, and all the guide dies 23 are arranged on the second fixing rod. The first rotating shaft, the first fixing rod and the second fixing rod are arranged in parallel, and the wheel disc 21, the first guide wheel 22 and the guide die 23 are the same in number and are arranged in a one-to-one correspondence manner. In order to reduce the damage of the belt body 8 such as bending and the like in the moving process, the wheel disc 21, the first guide wheel 22 and the guide die 23 are arranged in a collinear way. First confluence strap frame 24 includes first support body 241 and a plurality of first ends 242 that stretch out that are located its tip, and first end 242 that stretches out fixedly sets up in the one end that first support body 241 keeps away from guide die 23, and first end 242 that stretches out is seted up and is supplied the first through-hole that the area body 8 wore to establish, and the axis of first through-hole sets up for the axis slope of support body. The base material 9 is inserted into the first frame 241 along the central axis thereof, and all the first extending ends 242 are uniformly distributed around the end of the frame, so that the belt 8 is uniformly distributed outside the base material 9. The end of the first frame 241 is provided with a servo motor for driving the first frame 241 to rotate, and the servo motor can drive the first frame 241 to rotate along the central axis thereof, so as to wind the belt 8 distributed outside the base material 9 on the surface of the base material 9. Meanwhile, the pulling device 5 can drive the substrate 9 to move in a straight line while the tape 8 is wound outside the substrate 9, so that the tape 8 is continuously wound on the surface of the substrate 9 to form the superconducting cable.

The guide die 23 includes a base 231 and an adjustment base 232 connected to the base 231, and the adjustment base 232 is capable of achieving a multi-degree-of-freedom movement within a certain range with respect to the base 231. The seat 231 is connected with a second fixing bar to limit the position of the guide mold 23; the area body 8 can be around establishing and adjusting seat 232 to utilize and adjust the direction that seat 232 restriction area body 8 conveyed, because adjust seat 232 can realize many free motions relative to base 231 in certain range, therefore can realize the fine setting to the area body 8 position, thereby further reduction area body 8 is at the in-process of conveying buckle.

The adjusting seat 232 is rotatably connected with the base 231 through the linkage plate 233, in this embodiment, a second rotating shaft is commonly penetrated through the centers of the linkage plate 233 and the base 231, and the rotation of the linkage plate 233 relative to the base 231 is realized by the second rotating shaft. The adjusting seat 232 slides along the plane of the linkage plate 233 through the linkage mechanism 4. The linkage mechanism 4 comprises a transverse slide rail 41, a longitudinal slide rail 42 and a slide block 43, wherein the transverse slide rail 41 and the longitudinal slide rail 42 are vertically arranged to form a cross point, and the slide block 43 is positioned at the cross point and is simultaneously matched with the transverse slide rail 41 and the longitudinal slide rail 42. In this embodiment, the linkage mechanism 4 includes two transverse slide rails 41 and two longitudinal slide rails 42, the two transverse slide rails 41 are disposed in parallel, and the two longitudinal slide rails 42 are also disposed in parallel. The two transverse slide rails 41 and the two vertical slide rails are distributed in a criss-cross manner, so that 4 cross points are formed, the slide blocks 43 are arranged at the 4 cross points, one side surface of each slide block 43 is provided with a transverse slide groove matched with the transverse slide rail 41, and the opposite surface of each slide block is provided with a vertical slide groove matched with the vertical slide rail 42. Thereby, the sliding of the adjusting seat 232 with respect to the link plate 233 can be achieved by the link mechanism 4. The linkage plate 233 and the linkage mechanism 4 can be used for realizing the rotation and the in-plane movement of the adjusting seat 232 relative to the base 231, so that the belt body 8 can be finely adjusted.

In another embodiment, a universal joint is arranged between the adjusting seat 232 and the base 231, the bottom of the universal joint is inserted on the base 231, and the other end of the universal joint is embedded in the adjusting seat 232 and is fixedly connected with the adjusting seat 232; therefore, the multi-degree-of-freedom adjustment of the adjusting seat 232 in a certain range can be realized through universal energy.

In another embodiment, an elastic member is disposed between the adjusting seat 232 and the base 231, and both ends of the elastic member are respectively fixed to the adjusting seat 232 and the base 231, so that the elastic force of the elastic member can be utilized to realize multiple degrees of freedom movement of the adjusting seat 232 relative to the base 231. The adjustment range of the adjustment seat 232 relative to the base 231 is matched correspondingly according to the elastic member, and the elastic member in the embodiment can be made of elastic materials such as rubber and can also be made of elastic bodies such as springs.

The cabling equipment may further comprise a wrapping assembly 6 for wrapping the protective layer around the outside of the tape to form the superconducting cable, wherein whether the protective layer is required to be wrapped around the outside of the tape body 8 can be freely selected. The wrapping assembly 6 comprises a winding drum 61 and a second belt gathering frame 62, wherein the winding drum 61 is used for winding the protective layer, and the second belt gathering frame 62 is used for winding the protective layer outside the belt body 8. The second pooling frame 62 includes a second frame body 621 and a plurality of second protruding ends 622, the second protruding ends 622 being provided at ends of the second frame body 621. The second extending end 622 is provided with a second through hole for penetrating the protective layer, and a central axis of the second through hole is inclined relative to a central axis of the second frame body 621. The wrapping assembly 6 may include a plurality of winding drums 61, all of the winding drums 61 are uniformly arranged around the second gathering frame 62, and the number of the winding drums 61 and the number of the second extending ends 622 are the same and are arranged in a one-to-one correspondence. Thus, all the second protruding ends 622 are uniformly arranged around the end of the second frame body 621, so that the protective layer is uniformly distributed outside the preliminarily twisted superconducting cable. The end of the second frame body 621 is provided with a servo motor for driving the second frame body 621 to rotate, and the servo motor can drive the second frame body 621 to rotate along the central axis thereof, so that the protective layer distributed outside the preliminarily twisted superconducting cable is wound on the surface of the preliminarily twisted superconducting cable. Meanwhile, the traction device 5 can drive the preliminarily stranded superconducting cable to move linearly while winding the protective layer around the outside of the preliminarily stranded superconducting cable, so that the protective layer is continuously wound on the surface of the preliminarily stranded superconducting cable to form the superconducting cable.

Since the forming assembly 2 and the wrapping assembly 6 need to be matched with the traction device 5 during operation, it is necessary to ensure that the center line of the first frame body 241 and the center line of the second frame body 621 are arranged in a collinear manner in order to ensure that the initially twisted superconducting cable and the finally formed superconducting cable are always positioned in the same straight line.

The traction device 5 comprises a friction wheel 51 and a driving piece for driving the friction wheel 51 to rotate, the friction wheel 51 is in contact with the surface of the base material 9, and the base material 9 can be pushed to move along a straight line through the friction force between the friction wheel 51 and the base material 9 when the friction wheel 51 rotates, so that the base material 9 can sequentially pass through the forming assembly 2 and the wrapping assembly 6. The damage to the surface of the base material 9 can be reduced when the friction wheel 51 is rotated to push the base material 9 to move, and the damage to the performance of the base material 9 when the base material 9 is directly dragged to move can also be avoided, so that the base material 9 is protected to a certain extent.

The cabling equipment further comprises a paying-off device 1 and a wire collecting device 7, wherein the paying-off device 1 comprises a first roller 11 and a first rotating member 12 for driving the first roller 11 to rotate, the first rotating member 12 is preferably a servo motor in the embodiment, and the first roller 11 is used for winding the base material 9. The wire take-up unit 7 includes a second drum 71 and a second rotating member 72 for driving the second drum 71 to rotate, the second rotating member 72 is preferably a servomotor in this embodiment, and the second drum 71 is used for winding the superconducting cable. Pay-off 1, shaping subassembly 2, around package subassembly 6, draw gear 5 and take-up 7 set gradually in this embodiment, and take-up 7 and pay-off 1 are located the both ends of a whole set of coiling device respectively, can realize that two-way rotation takes up and releases the line.

The wheel disc 21 is uniformly arranged according to the number of the strips and the layered structure, the strips rotate along with the first frame body 241 and move forwards along with the base material 9, and the strips are uniformly coated on the base material 9 through the forming assembly 2; then, a lapping assembly 6 is arranged, and the left and right lapping of the protective layer can be realized; and then a traction device 5 before the wire is wound provides traction power for the whole winding device, and the front-back traction transmission can be realized. The utility model adopts the front-releasing and rear-retracting traction twisting method to realize twisting of the electrified conductor of the superconducting cable, the traction is taken as a production line active wiring power device mechanism, the front-releasing and rear-retracting wires and the twisting body allocate the linear speed and the rotating speed through the motor, the superconducting strip twisting and the wrapping tape winding continuous production are completed in the limited production space, and the high efficiency and the safety of the production and the preparation are realized; in the aspect of controlling the stranding process of the superconducting tapes, the superconducting tapes are automatically adjusted by springs to control the tension of the released tapes by wheel type friction, and the tension of the tapes on the same layer is ensured to be uniform by measurement of a tension test instrument before production so as to ensure that the tapes stranded on a cable core represent consistent and stable mechanical performance and critical current characteristics; and the parameters of the production line linkage equipment are controlled, namely the linear speed is matched with the rotating speed, so that the stranding spiral angle and pitch of the superconducting tape and the insulating wrapping gap can be stably controlled.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The cabling equipment for the superconducting cable is characterized by comprising a forming assembly and a traction device, wherein the forming assembly comprises a wheel disc, a guide die and a first belt gathering frame which are sequentially arranged, and the wheel disc is used for winding a belt body; the wheel disc and the guide die are correspondingly distributed and arranged in a collinear way; the guide die comprises a base and an adjusting seat connected with the base, the adjusting seat can move along multiple degrees of freedom relative to the base, and the adjusting seat is used for guiding the belt body so as to guide the belt body; the first junction frame comprises a first frame body and a plurality of first extending ends positioned at the end part of the first frame body, a base material penetrates through the center of the first frame body, the first extending ends are used for guiding the belt body to move towards the base material, and when the first frame body rotates, the belt body can be wound on the surface of the base material to form a superconducting cable; the traction device is used for driving the substrate to move linearly.

2. The cabling apparatus for a superconducting cable as claimed in claim 1, wherein the adjustment socket is rotatably connected to the base by a linkage plate, the adjustment socket being slidably connected to the linkage plate by a linkage mechanism; the linkage mechanism comprises a transverse sliding rail, a longitudinal sliding rail and a sliding block, wherein the transverse sliding rail and the longitudinal sliding rail are vertically arranged to form a cross point, and the sliding block is located at the cross point and is matched with the transverse sliding rail and the longitudinal sliding rail.

3. The cabling apparatus for a superconducting cable according to claim 1, wherein the adjustment socket is connected to the base through a universal joint.

4. The cabling apparatus for a superconducting cable according to claim 1, wherein the adjustment socket is connected to the base through an elastic member.

5. The cabling apparatus for a superconducting cable of claim 1, further comprising a wrapping assembly, wherein the substrate is capable of passing through the forming assembly and the wrapping assembly in sequence; the winding assembly comprises a winding drum and a second band gathering frame, the winding drum is used for winding the protective layer, the second band gathering frame comprises a second frame body and a plurality of second stretching ends, the second stretching ends are located at the end portion of the second frame body, the second stretching ends are provided with second through holes for the belt body to penetrate through, a preliminarily twisted superconducting cable is arranged at the center of the second frame body in a penetrating mode, and when the second frame body rotates, the protective layer can wind the surface of the superconducting cable arranged on the preliminarily twisted superconducting cable.

6. The cabling apparatus for a superconducting cable according to claim 5, wherein the centerlines of the first and second racks are arranged collinearly.

7. Cabling apparatus for a superconducting cable according to claim 1, characterized in that said traction means comprise a friction wheel and a driving element for driving said friction wheel in rotation, said friction wheel being able to come into contact with said substrate in order to drive said substrate in motion.

8. The cabling apparatus for a superconducting cable of claim 1, wherein the first protruding ends are evenly spaced around the first frame.

9. A cabling apparatus for a superconducting cable according to claim 1, wherein the cabling apparatus further comprises a paying out device comprising a first drum for winding the substrate and a first rotating member for driving the first drum to rotate.

10. The cabling apparatus for a superconducting cable according to claim 1, further comprising a take-up unit including a second drum for winding the superconducting cable and a second rotating member for driving the second drum to rotate.