CN110436276B - Layered winding wheel for winding steel wire rope - Google Patents
Layered winding wheel for winding steel wire rope Download PDFInfo
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- CN110436276B CN110436276B CN201910757298.3A CN201910757298A CN110436276B CN 110436276 B CN110436276 B CN 110436276B CN 201910757298 A CN201910757298 A CN 201910757298A CN 110436276 B CN110436276 B CN 110436276B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/35—Ropes, lines
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Abstract
The invention belongs to the technical field of winding wheels, and particularly relates to a layered winding wheel for winding a steel wire rope, which comprises a base, a first fixing plate, a second motor, a third fixing plate, a driving shaft, a second ring sleeve, a second L-shaped plate, a first toothed ring, a fourth fixing plate, a third winding cylinder, a driving gear, a first baffle disc, a first winding cylinder and the like, wherein the layered winding wheel can wind the steel wire rope onto the first winding cylinder, the second winding cylinder and the third winding cylinder in a different way when the steel wire rope is wound, so that extrusion friction among the steel wire ropes and abrasion of the steel wire rope caused by multi-layer winding of the traditional winding wheel when the steel wire rope is wound are avoided; the layered winding wheel of the invention prolongs the service life of the steel wire rope.
Description
Technical Field
The invention belongs to the technical field of winding wheels, and particularly relates to a layered winding wheel for winding a steel wire rope.
Background
At present, in the process of winding a conventional steel wire rope, cable or wire by a winding wheel, a winding disc or a winch, taking the winding wheel to wind the steel wire rope as an example: after the first layer of the winding wheel is fully wound with the steel wire rope, the winding wheel winds the steel wire rope on the second layer under the continuous winding of the winding wheel, and the like. However, after the steel wire ropes are wound in multiple layers, extrusion friction is generated between the steel wire ropes, so that the steel wire ropes are abraded, and the service life of the steel wire ropes is shortened. In addition, the steel wire ropes are easily disordered by multilayer winding, so that the steel wire ropes are not easy to release smoothly. In order to avoid the damage caused by the multi-layer winding of the steel wire rope, a winding wheel with layered winding needs to be designed.
The invention designs a layered winding wheel for winding a steel wire rope to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a layered winding wheel for winding a steel wire rope, which is realized by adopting the following technical scheme.
A layered winding wheel for winding a steel wire rope, characterized in that: the device comprises a base, a first fixing plate, a second fixing plate, a first motor, a telescopic rod, a first ring sleeve, a first L-shaped plate, a third ring sleeve, a rack, a second motor, a third fixing plate, a driving shaft, a second ring sleeve, a second L-shaped plate, a first toothed ring, a fourth fixing plate, a third winding barrel, a steel wire rope, a second winding barrel, a second toothed ring, a connecting plate, a driving gear, a first baffle disc, a first winding barrel, a second baffle disc, a first internal thread, a second internal thread, a first spiral guide plate, a second toothed tooth a, a second toothed tooth b, a first toothed tooth a, a first toothed tooth b, a rack hole and a shaft hole, wherein the first fixing plate and the second fixing plate are symmetrically arranged on the base; the first motor is arranged on the first fixing plate; one end of the telescopic rod is connected with the first motor; the telescopic rod consists of a telescopic inner rod and a telescopic outer sleeve; the telescopic outer sleeve is connected with a first motor; the first ring sleeve is fixedly arranged on the outer circular surface of the telescopic outer sleeve; one end of the first L-shaped plate is arranged on the base, and the other end of the first L-shaped plate is arranged on the outer circular surface of the first ring sleeve; the second motor is arranged on the base; the driving gear is connected with the second motor through a shaft; the two third fixing plates are arranged on the base and symmetrically distributed on two sides of the driving gear; each third fixing plate is provided with a rack hole; the third ring sleeve is arranged on the outer circular surface of the telescopic inner rod; one end of the connecting plate is arranged on the outer circular surface of the third ring sleeve, and the other end of the connecting plate is provided with a rack; two ends of the rack respectively penetrate through the rack holes on the two third fixing plates; the driving gear is meshed with the rack.
One end of the driving shaft is connected with the telescopic inner rod, and the other end of the driving shaft is provided with a second baffle disc; the first baffle disc is fixedly arranged on the outer circular surface of the driving shaft, and the first baffle disc is positioned between the telescopic inner rod and the second baffle disc; the second ring sleeve is arranged on the outer circular surface of the driving shaft and is positioned between the telescopic inner rod and the first baffle disc; one end of the second L-shaped plate is arranged on the outer circular surface of the second ring sleeve, and the other end of the second L-shaped plate is arranged on the base; on first winding section of thick bamboo fixed mounting drive shaft, the one end of first winding section of thick bamboo is connected with first fender dish, and the other end is connected with second fender dish.
The second gear ring is arranged on the second fixing plate; second teeth a are uniformly distributed on the inner circular surface of the second toothed ring; the first gear ring is arranged on the base through a fourth fixing plate; the driving shaft is positioned in the first gear ring; first teeth a are uniformly distributed on the inner circular surface of the first toothed ring; the outer circular surface of the second baffle disc is provided with threads; the outer circular surface of the first baffle disc is provided with threads.
A second spiral guide plate is arranged at the mouth end of the second winding cylinder; the inner cylinder surface of the cylinder bottom of the second winding cylinder is provided with a second internal thread; a plurality of second teeth b are uniformly arranged on the outer cylinder surface of the cylinder bottom of the second winding cylinder along the circumferential direction; a second tooth b on the second winding cylinder is matched with a second tooth a on the second gear ring; the second baffle disc is positioned in the second winding cylinder; the second catch disc slides in the second winding drum; and the threads on the second baffle are matched with the second internal threads on the second winding barrel.
A first spiral guide plate is arranged at the mouth end of the third winding cylinder; the inner cylinder surface of the cylinder bottom of the third winding cylinder is provided with a first internal thread; a plurality of first teeth b are uniformly arranged on the outer cylinder surface of the cylinder bottom of the third winding cylinder along the circumferential direction; a shaft hole is formed in the middle of the bottom of the third winding drum; the first teeth b on the third winding cylinder are matched with the first teeth a on the first tooth ring; the first baffle disc is positioned in the third winding cylinder; the first baffle disc slides in the third winding cylinder; the thread on the first baffle disc is matched with the first internal thread on the third winding drum.
One end of the steel wire rope is arranged on the first winding drum.
As a further improvement of the present technology, the diameter of the second baffle disc is equal to the inner cylinder diameter of the second winding cylinder.
As a further improvement of the present technology, the diameter of the first baffle disc is equal to the inner cylinder diameter of the third winding cylinder.
As a further improvement of the present technology, the second tooth a on the second ring has rubber pads on both side tooth surfaces; rubber gaskets are arranged on the two side tooth surfaces of the first tooth a on the first tooth ring.
As a further improvement of the technology, a gap is arranged between the inner spiral arc plate surface of the second spiral guide plate and the outer circular surface of the first winding cylinder.
As a further improvement of the technology, a gap is arranged between the inner spiral arc plate surface of the first spiral guide plate and the outer circular surface of the second winding cylinder.
As a further improvement of the present technology, the second teeth b on the second winding cylinder are engaged with the second teeth a on the second ring gear when the second winding cylinder is not axially moved.
As a further improvement of the present technique, the first teeth b on the third winding cylinder mesh with the first teeth a on the first toothed ring when the third winding cylinder is not axially displaced.
The telescopic outer sleeve is fixed by the first ring sleeve and can rotate around the axis of the telescopic outer sleeve; the telescopic rod is driven to rotate by the first motor. The second motor drives the driving gear to rotate, the driving gear drives the rack to move, and the rack drives the telescopic inner rod to axially move through the connecting plate and the third ring sleeve. The rack is supported by the two third fixing plates, and the rack can slide in the rack hole. The drive shaft is supported by the second collar and the drive shaft can rotate about its own axis.
The telescopic inner rod drives the driving shaft to rotate, and the telescopic inner rod can also drive the driving shaft to move along the axis direction of the driving shaft. The drive shaft can drive first fender dish, first winding section of thick bamboo and second fender dish and rotate around the drive shaft axis, and can also move along drive shaft axis direction.
For the second winding drum: the second tooth b on the second winding cylinder and the second tooth a on the second gear ring are matched to act as follows: firstly, when the second tooth b on the second winding cylinder is meshed with the second tooth a on the second tooth ring, the second winding cylinder is fixed oppositely; secondly, when the second tooth b on the second winding cylinder is disengaged from the second tooth a on the second gear ring, the second winding cylinder is not limited any more. The second spiral guide plate is installed on the second winding drum to guide the wire rope to be wound on the second winding drum easily when the wire rope is transitionally wound on the second winding drum from the first winding drum. The screw thread on the second catch plate and the second internal thread matched with effect on the second winding cylinder are: after the threads on the second catch disc are in threaded engagement with the second internal threads on the second winding cylinder, in the process that the second catch disc continuously rotates towards the bottom of the second winding cylinder to enter, the second winding cylinder moves towards the direction departing from the second toothed ring under the action of thread fit, and the second winding cylinder drives the second teeth b to be disengaged from the second teeth a on the second toothed ring; after the second catch plate is contacted with the cylinder bottom of the second winding cylinder, the threads on the second catch plate and the second internal threads on the second winding cylinder are tightly screwed and locked, and then the second catch plate can drive the second winding cylinder to rotate.
For the third winding drum: the first tooth b on the third winding cylinder and the first tooth a on the first tooth ring are matched to act as follows: firstly, when the first teeth b on the third winding cylinder are engaged with the first teeth a on the first tooth ring, the third winding cylinder is fixed oppositely; secondly, when the first teeth b on the third winding cylinder are disengaged from the first teeth a on the first tooth ring, the third winding cylinder is not limited any more. The first spiral guide plate is installed on the third winding drum, so that the first spiral guide plate can easily guide the steel wire rope to be wound on the third winding drum when the steel wire rope is transitionally wound on the third winding drum from the second winding drum. The effect that the screw thread on the first fender dish and the first internal thread on the third winding section of thick bamboo cooperate is: when the threads on the first baffle disc are meshed with the first internal threads on the third winding cylinder, the third winding cylinder moves in the direction away from the first toothed ring under the matching action of the threads in the process that the first baffle disc continuously rotates towards the bottom of the third winding cylinder, and the third winding cylinder drives the first teeth b to be disengaged from the first teeth a on the second toothed ring; after the first blocking disc is contacted with the cylinder bottom of the third winding cylinder, the threads on the first blocking disc and the first internal threads on the third winding cylinder are screwed and locked, and then the first blocking disc can drive the third winding cylinder to rotate.
The rubber gaskets are arranged on the tooth surfaces of two sides of the second tooth a on the second gear ring, so that the second tooth a and the second tooth b can be tightly meshed, and the second tooth b is not easy to separate from the second gear ring in the process of separating from the second tooth a. The rubber gaskets are arranged on the tooth surfaces of two sides of the first tooth a on the first tooth ring, so that the first tooth a and the first tooth b can be tightly meshed, and the first tooth b is not easy to separate from the second tooth ring in the process of separating from the first tooth a.
The design that has gapped between the outer disc of the interior spiral arc face of second spiral guide board and first winding section of thick bamboo lies in, after first winding section of thick bamboo winding wire rope, when first winding section of thick bamboo gets into the second winding section of thick bamboo, the wire rope of being twined on first winding section of thick bamboo can not produce with second spiral guide board and interfere.
The design that has gapped between the outer disc of the interior spiral arc face of first spiral guide board and second winding cylinder lies in, after second winding cylinder winding wire rope, when second winding cylinder gets into the third winding cylinder, the wire rope of being twined on the second winding cylinder can not produce with first spiral guide board and interfere.
When the steel wire rope is not wound, the second tooth b on the second winding cylinder is meshed with the second tooth a on the second tooth ring; the first teeth b on the third winding cylinder are meshed with the first teeth a on the first tooth ring.
When the steel wire rope needs to be wound, the first motor drives the telescopic rod to rotate; the telescopic inner rod drives the second blocking disc, the first winding cylinder and the first blocking disc to rotate through the driving shaft; meanwhile, the second motor drives the driving gear to rotate, and the driving gear drives the rack to move towards the direction of the second L-shaped plate; in the process that the rack moves towards the direction of the second L-shaped plate, the rack drives the telescopic inner rod to axially move towards the direction of the second fixing plate through the connecting plate and the third ring sleeve, then the telescopic inner rod pushes the driving shaft to axially move towards the direction of the second fixing plate, and the second blocking plate, the first winding cylinder and the first blocking plate also axially move towards the direction of the second fixing plate.
In the process that the first winding drum moves towards the direction of the second fixing plate and rotates, the steel wire rope is wound on the first winding drum step by step; after the threads on the second retaining disc are in threaded engagement with the second internal threads on the second winding cylinder, in the process that the second retaining disc continues to rotate towards the second fixing plate and axially moves, under the action of thread cooperation, the second winding cylinder axially moves towards the direction departing from the second toothed ring, and the second winding cylinder drives the second teeth b to be disengaged from the second teeth a on the second toothed ring; after the second catch plate is contacted with the cylinder bottom of the second winding cylinder, the threads on the second catch plate and the second internal threads on the second winding cylinder are tightly screwed and locked, and then the second catch plate can drive the second winding cylinder to rotate. When the second baffle disc is contacted with the cylinder bottom of the second winding cylinder, the second motor drives the driving gear to rotate reversely, and the rack moves towards the direction of the first L-shaped plate; in the process that the rack moves towards the direction of the first L-shaped plate, the rack drives the telescopic inner rod to axially move towards the direction of the first fixing plate through the connecting plate and the third ring sleeve, the telescopic inner rod drives the telescopic inner rod to axially move towards the direction of the first fixing plate, and the second blocking disc, the first winding cylinder, the first blocking disc and the second winding cylinder also axially move towards the direction of the first fixing plate. In the process that the second winding drum axially moves towards the first fixing plate and rotates, the steel wire rope is easily transited and wound from the first winding drum to the second winding drum by the second spiral guide plate.
In the process that the second baffle disc, the first winding drum, the first baffle disc and the second winding drum axially move towards the direction of the first fixing plate and rotate, the steel wire rope is wound on the second winding drum step by step; after the threads on the first baffle disc are in threaded engagement with the first internal threads on the third winding cylinder, the third winding cylinder axially moves in the direction away from the first toothed ring under the action of thread fit in the process that the first baffle disc continuously rotates towards the direction of the first fixing plate and axially moves, and the third winding cylinder drives the first teeth b to be disengaged from the first teeth a on the first toothed ring; after the first blocking disc is contacted with the cylinder bottom of the third winding cylinder, the threads on the first blocking disc and the first internal threads on the third winding cylinder are screwed and locked, and then the first blocking disc can drive the second winding cylinder to rotate. When the first blocking disc is contacted with the bottom of the third winding cylinder, the second motor drives the driving gear to rotate forward, and the rack moves towards the direction of the second L-shaped plate; in the process that the rack moves towards the direction of the second L-shaped plate, the rack drives the telescopic inner rod to axially move towards the direction of the second fixing plate through the connecting plate and the third ring sleeve, then the telescopic inner rod pushes and drives the axial second fixing plate to axially move towards the direction of the second fixing plate, and the second blocking disc, the first winding cylinder, the first blocking disc, the second winding cylinder and the third winding cylinder also axially move towards the direction of the second fixing plate. In the process that the third winding drum axially moves towards the direction of the second fixing plate and rotates, the steel wire rope is easily transited and wound on the third winding drum from the second winding drum by the first spiral guide plate.
In conclusion, when the layered winding wheel is used for winding the steel wire rope, the steel wire rope can be wound on the first winding cylinder, the second winding cylinder and the third winding cylinder in a different way, so that extrusion friction among the steel wire ropes and abrasion of the steel wire ropes caused by the fact that the steel wire ropes are wound in multiple layers when the traditional winding wheel is used for winding the steel wire rope are avoided; the layered winding wheel of the invention prolongs the service life of the steel wire rope.
In the process that the wound steel wire rope needs to be released, the driving shaft is reversely and continuously rotated by the first motor, so that the steel wire ropes wound on the third winding cylinder, the second winding cylinder and the first winding cylinder are released; in addition, in the process of releasing the steel wire rope, the forward and reverse rotation control of the second motor can enable the third winding cylinder to be limited by the first toothed ring through the meshing of the first teeth a and the first teeth b again, and under the action of the enhanced meshing of rubber gaskets on the tooth surfaces on two sides of the first teeth a, when the first baffle disc rotates reversely from the first internal threads on the third winding cylinder and is discharged, the first teeth b on the third winding cylinder cannot be disengaged from the first teeth a; the second motor is controlled to rotate forward and backward, so that the second winding cylinder is limited by the second gear ring through the meshing of the second teeth a and the second teeth b again, and under the action of enhanced meshing of rubber gaskets on the tooth surfaces on two sides of the second teeth a, when the second baffle disc rotates reversely from the second internal threads on the second winding cylinder and is out of the second internal threads, the second teeth b on the second winding cylinder cannot be disengaged from the second teeth a. And finally, the steel wire rope is released under the control of the first motor and the second motor.
Compared with the traditional winding wheel technology, the layered winding wheel disclosed by the invention can wind the steel wire rope on the first winding cylinder, the second winding cylinder and the third winding cylinder in different ways when the steel wire rope is wound, so that extrusion friction among the steel wire ropes and abrasion of the steel wire ropes caused by multi-layer winding of the traditional winding wheel when the steel wire rope is wound are avoided; the layered winding wheel of the invention prolongs the service life of the steel wire rope. The invention has simple structure and better use effect.
Drawings
Fig. 1 is a schematic view of the overall component distribution.
Fig. 2 is a schematic sectional front view of the entire part.
Fig. 3 is a cross-sectional front partially enlarged schematic view of the entire part.
Fig. 4 is a schematic view of the installation of the telescoping pole.
Fig. 5 is a drive gear mounting schematic.
Fig. 6 is a second ring gear installation schematic.
Fig. 7 is a schematic view of the second spiral guide plate installation.
Fig. 8 is a schematic sectional view of the second winding cylinder.
Fig. 9 is a schematic view of the first ring gear installation.
Fig. 10 is a schematic view of the first helical guide plate installation.
Fig. 11 is a schematic sectional view of the third winding cylinder.
FIG. 12 is a schematic view of a first tray installation.
Number designation in the figures: 1. a base; 2. a first fixing plate; 3. a second fixing plate; 4. a first motor; 5. a telescopic rod; 6. a first loop; 7. a first L-shaped plate; 8. a third loop; 9. a rack; 10. a second motor; 12. a third fixing plate; 13. a drive shaft; 14. a second loop; 15. a second L-shaped plate; 16. a first ring gear; 17. a fourth fixing plate; 18. a third winding drum; 19. a wire rope; 20. a second winding drum; 21. a second ring gear; 22. a connecting plate; 23. a drive gear; 24. a first catch tray; 25. a first winding drum; 26. a second catch tray; 27. a first internal thread; 28. a second internal thread; 29. a first spiral guide plate; 30. a second spiral guide plate; 31. a second tooth a; 32. a second tooth b; 33. a first tooth a; 34. a first tooth b; 35. a telescopic outer sleeve; 36. a telescopic inner rod; 37. a rack hole; 38. and the shaft hole.
Detailed Description
As shown in fig. 1 and 3, it comprises a base 1, a first fixing plate 2, a second fixing plate 3, a first motor 4, a telescopic rod 5, a first loop 6, a first L-shaped plate 7, a third loop 8, a rack 9, a second motor 10, a third fixing plate 12, a driving shaft 13, a second loop 14, a second L-shaped plate 15, a first toothed ring 16, a fourth fixing plate 17, a third winding cylinder 18, a wire rope 19, a second winding cylinder 20, a second toothed ring 21, a connecting plate 22, a driving gear 23, a first catch plate 24, a first winding cylinder 25, a second catch plate 26, a first internal thread 27, a second internal thread 28, a first spiral guide plate 29, a second spiral guide plate 30, a second tooth a31, a second tooth b32, a first tooth a33, a first tooth b34, a rack 37, and a shaft hole 38, as shown in fig. 1, a first fixing plate 2 and a second fixing plate 3 are symmetrically mounted on a base 1; as shown in fig. 1 and 4, the first motor 4 is mounted on the first fixing plate 2; one end of the telescopic rod 5 is connected with the first motor 4; the telescopic rod 5 consists of a telescopic inner rod 36 and a telescopic outer sleeve 35; the telescopic outer sleeve 35 is connected with the first motor 4; the first ring sleeve 6 is fixedly arranged on the outer circular surface of the telescopic outer sleeve 35; one end of the first L-shaped plate 7 is arranged on the base 1, and the other end of the first L-shaped plate is arranged on the outer circular surface of the first ring sleeve 6; as shown in fig. 1 and 5, the second motor 10 is mounted on the base 1; the driving gear 23 is connected with the second motor 10 through a shaft; as shown in fig. 2 and 5, two third fixing plates 12 are mounted on the base 1, and the two third fixing plates 12 are symmetrically distributed on two sides of the driving gear 23; each third fixing plate 12 is provided with a rack hole 37; as shown in fig. 4, the third ring 8 is installed on the outer circumferential surface of the telescopic inner rod 36; one end of the connecting plate 22 is arranged on the outer circular surface of the third ring sleeve 8, and the other end is provided with the rack 9; as shown in fig. 2, both ends of the rack 9 respectively pass through the rack holes 37 of the two third fixing plates 12; the driving gear 23 meshes with the rack 9.
As shown in fig. 1, 2 and 12, one end of the driving shaft 13 is connected with the telescopic inner rod 36, and the other end is provided with the second baffle 26; the first baffle disc 24 is fixedly arranged on the outer circular surface of the driving shaft 13, and the first baffle disc 24 is positioned between the telescopic inner rod 36 and the second baffle disc 26; the second ring sleeve 14 is arranged on the outer circular surface of the driving shaft 13, and the second ring sleeve 14 is positioned between the telescopic inner rod 36 and the first baffle disc 24; one end of the second L-shaped plate 15 is arranged on the outer circular surface of the second ring sleeve 14, and the other end is arranged on the base 1; the first winding drum 25 is fixedly installed on the driving shaft 13, and one end of the first winding drum 25 is connected with the first stopping disc 24, and the other end is connected with the second stopping disc 26.
As shown in fig. 6, the second ring gear 21 is mounted on the second fixing plate 3; second teeth a31 are uniformly distributed on the inner circular surface of the second toothed ring 21; as shown in fig. 1 and 9, the first gear ring 16 is mounted on the base 1 through a fourth fixing plate 17; as shown in fig. 3, the drive shaft 13 is located in the first ring gear 16; as shown in fig. 9, first teeth a33 are uniformly distributed on the inner circumferential surface of the first ring gear 16; the outer circular surface of the second baffle disc 26 is provided with threads; the first baffle disc 24 has threads on its outer circumferential surface.
As shown in fig. 7 and 8, the second spiral guide plate 30 is mounted on the mouth end of the second winding cylinder 20; the inner cylinder surface of the cylinder bottom of the second winding cylinder 20 is provided with a second internal thread 28; a plurality of second teeth b32 are uniformly arranged on the outer cylindrical surface of the bottom of the second winding cylinder 20 along the circumferential direction; the second tooth b32 on the second winding cylinder 20 is matched with the second tooth a31 on the second tooth ring 21; as shown in fig. 3, the second baffle disc 26 is located in the second winding drum 20; the second stop disc 26 slides in the second winding drum 20; threads on second stop 26 mate with second internal threads 28 on second winding drum 20.
As shown in fig. 10 and 11, the first spiral guide plate 29 is attached to the mouth end of the third winding cylinder 18; the inner cylinder surface of the cylinder bottom of the third winding cylinder 18 is provided with a first internal thread 27; a plurality of first teeth b34 are uniformly arranged on the outer cylindrical surface of the bottom of the third winding cylinder 18 along the circumferential direction; a shaft hole 38 is formed in the middle of the bottom of the third winding cylinder 18; the first tooth b34 on the third winding cylinder 18 is matched with the first tooth a33 on the first toothed ring 16; as shown in fig. 3, the first catch tray 24 is located in the third winding drum 18; the first baffle disc 24 slides in the third winding cylinder 18; the threads on the first stop disk 24 mate with the first internal threads 27 on the third winding cylinder 18.
As shown in fig. 1 and 12, one end of the wire rope 19 is mounted on the first winding drum 25.
The diameter of the second baffle disc 26 is equal to the inner cylinder diameter of the second winding cylinder 20.
The diameter of the first baffle disc 24 is equal to the inner cylinder diameter of the third winding cylinder 18.
Rubber pads are arranged on the two side tooth surfaces of the second tooth a31 on the second tooth ring 21; the first teeth a33 on the first ring gear 16 have rubber pads on both side faces.
A gap is formed between the inner spiral arc plate surface of the second spiral guide plate 30 and the outer circular surface of the first winding cylinder 25.
A gap is provided between the inner spiral arc plate surface of the first spiral guide plate 29 and the outer circular surface of the second winding cylinder 20.
When the second winding cylinder 20 is not moved axially, the second teeth b32 on the second winding cylinder 20 are engaged with the second teeth a31 on the second toothed ring 21.
When the third winding drum 18 is not axially displaced, the first teeth b34 on the third winding drum 18 mesh with the first teeth a33 on the first toothed ring 16.
The telescopic outer sleeve 35 is fixed by the first ring sleeve 6, and the telescopic outer sleeve 35 can rotate around the axis of the telescopic outer sleeve; the telescopic rod 5 is driven to rotate by the first motor 4. The second motor 10 drives the driving gear 23 to rotate, the driving gear 23 drives the rack 9 to move, and the rack 9 drives the telescopic inner rod 36 to axially move through the connecting plate 22 and the third ring sleeve 8. The rack 9 is supported by the two third fixing plates 12, and the rack 9 can slide in the rack hole 37. The drive shaft 13 is supported by the second collar 14 and the drive shaft 13 can rotate about its own axis.
The telescopic inner rod 36 drives the driving shaft 13 to rotate, and the telescopic inner rod 36 can also drive the driving shaft 13 to move along the axial direction of the driving shaft 13. The driving shaft 13 can rotate the first blocking disc 24, the first winding drum 25 and the second blocking disc 26 around the axis of the driving shaft 13, and can also move along the direction of the axis of the driving shaft 13.
For the second winding drum 20: the second tooth b32 on the second winding drum 20 and the second tooth a31 on the second toothed ring 21 cooperate to: first, when the second tooth b32 on the second winding cylinder 20 is engaged with the second tooth a31 on the second tooth ring 21, the second winding cylinder 20 is relatively fixed; second, when the second teeth b32 on the second winding cylinder 20 are disengaged from the second teeth a31 on the second toothed ring 21, the second winding cylinder 20 is no longer restrained. The second spiral guide plate 30 is installed on the second winding drum 20 so that the second spiral guide plate 30 can easily guide the wire rope 19 to be wound on the second winding drum 20 when the wire rope 19 is excessively wound on the second winding drum 20 from the first winding drum 25. The matching of the threads on second stop 26 and second internal threads 28 on second winding drum 20 is: after the threads on the second stop 26 are in threaded engagement with the second internal threads 28 on the second winding cylinder 20, in the process that the second stop 26 continues to rotate towards the bottom of the second winding cylinder 20 to enter, under the action of the thread fit, the second winding cylinder 20 moves in the direction away from the second toothed ring 21, and the second winding cylinder 20 drives the second teeth b32 to be disengaged from the second teeth a31 on the second toothed ring 21; after the second stopping disc 26 contacts with the bottom of the second winding cylinder 20, the threads on the second stopping disc 26 and the second internal threads 28 on the second winding cylinder 20 are screwed tightly and locked, and the second stopping disc 26 can drive the second winding cylinder 20 to rotate.
For the third winding drum 18: the first tooth b34 on the third winding cylinder 18 and the first tooth a33 on the first toothed ring 16 cooperate to: first, when the first teeth b34 on the third winding cylinder 18 are engaged with the first teeth a33 on the first ring gear 16, the third winding cylinder 18 is relatively fixed; second, when the first teeth b34 on the third winding cylinder 18 are disengaged from the first teeth a33 on the first toothed ring 16, the third winding cylinder 18 is no longer restrained. The first spiral guide 29 is installed on the third winding drum 18 so that the first spiral guide 29 can easily guide the wire rope 19 to be wound on the third winding drum 18 when the wire rope 19 is excessively wound on the third winding drum 18 from the second winding drum 20. The matching of the thread on the first baffle disc 24 and the first internal thread 27 on the third winding cylinder 18 is as follows: after the thread on the first blocking disc 24 is in threaded engagement with the first internal thread 27 on the third winding cylinder 18, in the process that the first blocking disc 24 continues to rotate towards the bottom of the third winding cylinder 18 to enter, under the action of the thread fit, the third winding cylinder 18 moves towards the direction away from the first toothed ring 16, and the third winding cylinder 18 drives the first teeth b34 to be disengaged from the first teeth a33 on the second toothed ring 21; after the first blocking disc 24 contacts with the bottom of the third winding cylinder 18, the thread on the first blocking disc 24 and the first internal thread 27 on the third winding cylinder 18 are screwed tightly and locked, and the first blocking disc 24 can drive the third winding cylinder 18 to rotate.
The rubber pads are arranged on the two side tooth surfaces of the second tooth a31 on the second tooth ring 21, so that the second tooth a31 and the second tooth b32 can be tightly engaged, and the second tooth b32 is not easy to be separated from the second tooth ring 21 in the process of separating the second tooth b32 from the second tooth a 31. The rubber pads are provided on both side faces of the first tooth a33 of the first ring gear 16, so that the first tooth a33 and the first tooth b34 can be tightly engaged, and the first tooth b34 is not easily separated from the second ring gear 21 during the separation of the first tooth b34 and the first tooth a 33.
The design of the second spiral guide plate 30 having a gap between the inner spiral arc plate surface and the outer circumferential surface of the first winding cylinder 25 is that after the first winding cylinder 25 winds the wire rope 19, when the first winding cylinder 25 enters the second winding cylinder 20, the wire rope 19 wound on the first winding cylinder 25 does not interfere with the second spiral guide plate 30.
The design of the gap between the inner spiral arc plate surface of the first spiral guide plate 29 and the outer circumferential surface of the second winding cylinder 20 is that after the second winding cylinder 20 winds the wire rope 19, when the second winding cylinder 20 enters the third winding cylinder 18, the wire rope 19 wound on the second winding cylinder 20 does not interfere with the first spiral guide plate 29.
The specific implementation mode is as follows: when the wire rope 19 is not yet wound, the second tooth b32 on the second winding cylinder 20 meshes with the second tooth a31 on the second toothed ring 21; the first tooth b34 on the third winding cylinder 18 meshes with the first tooth a33 on the first toothed ring 16.
When the steel wire rope 19 needs to be wound, the first motor 4 drives the telescopic rod 5 to rotate; the telescopic inner rod 36 drives the second stop disc 26, the first winding drum 25 and the first stop disc 24 to rotate through the driving shaft 13; meanwhile, the second motor 10 drives the driving gear 23 to rotate, and the driving gear 23 drives the rack 9 to move towards the direction of the second L-shaped plate 15; in the process that the rack 9 moves towards the direction of the second L-shaped plate 15, the rack 9 drives the telescopic inner rod 36 to axially move towards the direction of the second fixing plate 3 through the connecting plate 22 and the third ring sleeve 8, so that the telescopic inner rod 36 pushes the driving shaft 13 to axially move towards the direction of the second fixing plate 3, and the second stop plate 26, the first winding cylinder 25 and the first stop plate 24 also axially move towards the direction of the second fixing plate 3.
In the process that the first winding drum 25 moves towards the direction of the second fixing plate 3 and rotates, the steel wire rope 19 is wound on the first winding drum 25 step by step; after the threads on the second stop 26 are engaged with the second internal threads 28 on the second winding cylinder 20, in the process that the second stop 26 continues to rotate towards the second fixing plate 3 and axially moves, under the matching action of the threads, the second winding cylinder 20 axially moves towards the direction away from the second toothed ring 21, and the second winding cylinder 20 drives the second teeth b32 to be disengaged from the second teeth a31 on the second toothed ring 21; after the second stopping disc 26 contacts with the bottom of the second winding cylinder 20, the threads on the second stopping disc 26 and the second internal threads 28 on the second winding cylinder 20 are screwed tightly and locked, and the second stopping disc 26 can drive the second winding cylinder 20 to rotate. While the second stop disc 26 is in contact with the bottom of the second winding drum 20, the second motor 10 drives the driving gear 23 to rotate reversely, and the rack 9 moves towards the first L-shaped plate 7; in the process that the rack 9 moves towards the first L-shaped plate 7, the rack 9 drives the telescopic inner rod 36 to axially move towards the first fixing plate 2 through the connecting plate 22 and the third ring sleeve 8, so that the telescopic inner rod 36 pulls the driving shaft 13 to axially move towards the first fixing plate 2, and the second stop disc 26, the first winding cylinder 25, the first stop disc 24 and the second winding cylinder 20 also axially move towards the first fixing plate 2. During the process that the second winding cylinder 20 moves axially and rotates toward the first fixing plate 2, the wire 19 is easily transited from the first winding cylinder 25 to the second winding cylinder 20 by the second spiral guide plate 30.
In the process that the second stopping disc 26, the first winding drum 25, the first stopping disc 24 and the second winding drum 20 axially move towards the direction of the first fixing plate 2 and rotate, the steel wire rope 19 is wound on the second winding drum 20 step by step; after the threads on the first stopping disk 24 are engaged with the first internal threads 27 on the third winding cylinder 18, in the process that the first stopping disk 24 continues to rotate towards the first fixing plate 2 and axially moves, under the action of the thread fit, the third winding cylinder 18 axially moves towards the direction away from the first toothed ring 16, and the third winding cylinder 18 drives the first teeth b34 to be disengaged from the first teeth a33 on the first toothed ring 16; after the first blocking disc 24 contacts with the bottom of the third winding cylinder 18, the thread on the first blocking disc 24 and the first internal thread 27 on the third winding cylinder 18 are screwed tightly and locked, and the first blocking disc 24 can drive the second winding cylinder 20 to rotate. When the first baffle disc 24 is contacted with the bottom of the third winding cylinder 18, the second motor 10 drives the driving gear 23 to rotate positively, and the rack 9 moves towards the second L-shaped plate 15; in the process that the rack 9 moves towards the second L-shaped plate 15, the rack 9 drives the telescopic inner rod 36 to axially move towards the second fixing plate 3 through the connecting plate 22 and the third ring sleeve 8, so that the telescopic inner rod 36 pushes the driving shaft 13 to axially move towards the second fixing plate 3, and the second stop plate 26, the first winding cylinder 25, the first stop plate 24, the second winding cylinder 20 and the third winding cylinder 18 also axially move towards the second fixing plate 3. During the axial movement and rotation of the third winding drum 18 in the direction of the second fixing plate 3, the wire 19 is easily transited from the second winding drum 20 to the third winding drum 18 by the first spiral guide plate 29.
In conclusion, when the layered winding wheel is used for winding the steel wire rope 19, the steel wire rope 19 can be wound on the first winding cylinder 25, the second winding cylinder 20 and the third winding cylinder 18 in a different way, so that extrusion friction among the steel wire ropes 19 and abrasion of the steel wire ropes 19 caused by the fact that the steel wire ropes 19 are subjected to multi-layer winding when the traditional winding wheel is used for winding the steel wire rope 19 are avoided; the layered winding wheel of the present invention relatively extends the service life of the steel cord 19.
In the process that the wound steel wire rope 19 needs to be released, the driving shaft 13 is continuously rotated in the reverse direction by the first motor 4, so that the steel wire rope 19 wound on the third winding cylinder 18, the second winding cylinder 20 and the first winding cylinder 25 is released; in addition, during the process of releasing the steel wire rope 19, the forward and reverse rotation control of the second motor 10 can enable the third winding drum 18 to be limited by the first tooth ring 16 through the meshing of the first tooth a33 and the first tooth b34 again, and under the action of the rubber gasket on the tooth surfaces at two sides of the first tooth a33, the first tooth b34 on the third winding drum 18 cannot be disengaged from the first tooth a33 when the first baffle disc 24 reversely rotates out of the first internal thread 27 on the third winding drum 18; the forward and reverse rotation control of the second motor 10 may be such that the second winding cylinder 20 is restrained by the second ring gear 21 again by the engagement of the second teeth a31 with the second teeth b32, and the second teeth b32 on the second winding cylinder 20 are not disengaged from the second teeth a31 when the second stopper 26 is rotated reversely from the second internal thread 28 on the second winding cylinder 20 under the action of the rubber washers of both side tooth surfaces of the second teeth a31 to enhance the engagement. Finally the wire rope 19 is released under the control of the first motor 4 and the second motor 10.
In conclusion, the invention has the main beneficial effects that: the layered winding wheel can wind the steel wire rope 19 on the first winding cylinder 25, the second winding cylinder 20 and the third winding cylinder 18 in a different way when the steel wire rope 19 is wound, so that extrusion friction among the steel wire ropes 19 and abrasion of the steel wire ropes 19 caused by the fact that the steel wire ropes 19 are abraded after the steel wire ropes 19 are wound in a multi-layer way in the process of winding the steel wire rope 19 by the traditional winding wheel are avoided; the layered winding wheel of the present invention relatively extends the service life of the steel cord 19. The invention has simple structure and better use effect.
Claims (3)
1. A layered winding wheel for winding a steel wire rope, characterized in that: the device comprises a base, a first fixing plate, a second fixing plate, a first motor, a telescopic rod, a first ring sleeve, a first L-shaped plate, a third ring sleeve, a rack, a second motor, a third fixing plate, a driving shaft, a second ring sleeve, a second L-shaped plate, a first toothed ring, a fourth fixing plate, a third winding barrel, a steel wire rope, a second winding barrel, a second toothed ring, a connecting plate, a driving gear, a first baffle disc, a first winding barrel, a second baffle disc, a first internal thread, a second internal thread, a first spiral guide plate, a second toothed tooth a, a second toothed tooth b, a first toothed tooth a, a first toothed tooth b, a rack hole and a shaft hole, wherein the first fixing plate and the second fixing plate are symmetrically arranged on the base; the first motor is arranged on the first fixing plate; one end of the telescopic rod is connected with the first motor; the telescopic rod consists of a telescopic inner rod and a telescopic outer sleeve; the telescopic outer sleeve is connected with a first motor; the first ring sleeve is fixedly arranged on the outer circular surface of the telescopic outer sleeve; one end of the first L-shaped plate is arranged on the base, and the other end of the first L-shaped plate is arranged on the outer circular surface of the first ring sleeve; the second motor is arranged on the base; the driving gear is connected with the second motor through a shaft; the two third fixing plates are arranged on the base and symmetrically distributed on two sides of the driving gear; each third fixing plate is provided with a rack hole; the third ring sleeve is arranged on the outer circular surface of the telescopic inner rod; one end of the connecting plate is arranged on the outer circular surface of the third ring sleeve, and the other end of the connecting plate is provided with a rack; two ends of the rack respectively penetrate through the rack holes on the two third fixing plates; the driving gear is meshed with the rack;
one end of the driving shaft is connected with the telescopic inner rod, and the other end of the driving shaft is provided with a second baffle disc; the first baffle disc is fixedly arranged on the outer circular surface of the driving shaft, and the first baffle disc is positioned between the telescopic inner rod and the second baffle disc; the second ring sleeve is arranged on the outer circular surface of the driving shaft and is positioned between the telescopic inner rod and the first baffle disc; one end of the second L-shaped plate is arranged on the outer circular surface of the second ring sleeve, and the other end of the second L-shaped plate is arranged on the base; the first winding drum is fixedly arranged on the driving shaft, one end of the first winding drum is connected with the first baffle disc, and the other end of the first winding drum is connected with the second baffle disc;
the second gear ring is arranged on the second fixing plate; second teeth a are uniformly distributed on the inner circular surface of the second toothed ring; the first gear ring is arranged on the base through a fourth fixing plate; the driving shaft is positioned in the first gear ring; first teeth a are uniformly distributed on the inner circular surface of the first toothed ring; the outer circular surface of the second baffle disc is provided with threads; the outer circular surface of the first baffle disc is provided with threads;
a second spiral guide plate is arranged at the mouth end of the second winding cylinder; the inner cylinder surface of the cylinder bottom of the second winding cylinder is provided with a second internal thread; a plurality of second teeth b are uniformly arranged on the outer cylinder surface of the cylinder bottom of the second winding cylinder along the circumferential direction; a second tooth b on the second winding cylinder is matched with a second tooth a on the second gear ring; the second baffle disc is positioned in the second winding cylinder; the second catch disc slides in the second winding drum; the threads on the second catch plate are matched with the second internal threads on the second winding barrel;
a first spiral guide plate is arranged at the mouth end of the third winding cylinder; the inner cylinder surface of the cylinder bottom of the third winding cylinder is provided with a first internal thread; a plurality of first teeth b are uniformly arranged on the outer cylinder surface of the cylinder bottom of the third winding cylinder along the circumferential direction; a shaft hole is formed in the middle of the bottom of the third winding drum; the first teeth b on the third winding cylinder are matched with the first teeth a on the first tooth ring; the first baffle disc is positioned in the third winding cylinder; the first baffle disc slides in the third winding cylinder; the threads on the first baffle disc are matched with the first internal threads on the third winding cylinder;
one end of the steel wire rope is arranged on the first winding cylinder;
rubber gaskets are arranged on the tooth surfaces of two sides of the second tooth a on the second tooth ring; rubber gaskets are arranged on the tooth surfaces of two sides of the first tooth a on the first tooth ring;
a gap is formed between the inner spiral arc-shaped plate surface of the second spiral guide plate and the outer circular surface of the first winding cylinder;
a gap is formed between the inner spiral arc-shaped plate surface of the first spiral guide plate and the outer circular surface of the second winding cylinder;
when the second winding cylinder does not move axially, the second teeth b on the second winding cylinder are meshed with the second teeth a on the second gear ring;
when the third winding cylinder is not axially displaced, the first teeth b on the third winding cylinder mesh with the first teeth a on the first toothed ring.
2. The layered winding wheel for winding a wire rope according to claim 1, wherein: the diameter of the second baffle disc is equal to the diameter of the inner cylinder of the second winding cylinder.
3. The layered winding wheel for winding a wire rope according to claim 1, wherein: the diameter of the first baffle disc is equal to the diameter of the inner cylinder of the third winding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757298.3A CN110436276B (en) | 2018-05-29 | 2018-05-29 | Layered winding wheel for winding steel wire rope |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528859.8A CN108861886B (en) | 2018-05-29 | 2018-05-29 | A kind of layered windings wheel of winding wire ropes |
| CN201910757298.3A CN110436276B (en) | 2018-05-29 | 2018-05-29 | Layered winding wheel for winding steel wire rope |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810528859.8A Division CN108861886B (en) | 2018-05-29 | 2018-05-29 | A kind of layered windings wheel of winding wire ropes |
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| CN110436276A CN110436276A (en) | 2019-11-12 |
| CN110436276B true CN110436276B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910757298.3A Expired - Fee Related CN110436276B (en) | 2018-05-29 | 2018-05-29 | Layered winding wheel for winding steel wire rope |
| CN201810528859.8A Active CN108861886B (en) | 2018-05-29 | 2018-05-29 | A kind of layered windings wheel of winding wire ropes |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810528859.8A Active CN108861886B (en) | 2018-05-29 | 2018-05-29 | A kind of layered windings wheel of winding wire ropes |
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| CN111358528B (en) * | 2020-03-23 | 2021-01-19 | 中国人民解放军总医院第八医学中心 | Hepatobiliary calculus removing device |
| CN114394482A (en) * | 2022-02-18 | 2022-04-26 | 孙红伟 | Metal collapsible tube winding packing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB747428A (en) * | 1953-09-29 | 1956-04-04 | Saunders Roe Ltd | Improvements relating to winches |
| NO434273L (en) * | 1973-11-13 | 1975-06-09 | Hydraulik Brattvaag As | |
| CN101540227B (en) * | 2008-03-21 | 2011-12-07 | 旭丽电子(广州)有限公司 | Center tapped transformer |
| CN105197798B (en) * | 2014-12-02 | 2017-01-25 | 徐州重型机械有限公司 | Cable drum with length measurement function, length measurement method and crane |
| CN205187714U (en) * | 2015-12-08 | 2016-04-27 | 浙江理工大学 | Take many hoisting points individual layer winding hoist engine of angle pulley |
| CN106115375A (en) * | 2016-08-18 | 2016-11-16 | 无锡飞达纺织印染机械有限公司 | A kind of scalable textile strand cylinder |
| CN206872105U (en) * | 2017-06-22 | 2018-01-12 | 安徽省通达包装材料有限公司 | A kind of easy-to-dismount laser film roll device |
| CN107244628A (en) * | 2017-07-10 | 2017-10-13 | 奥普家居股份有限公司 | Clothes airing machine positions coiling apparatus |
| CN207293823U (en) * | 2017-09-05 | 2018-05-01 | 盐城市峻珑纱线有限公司 | A kind of reel for weaving loom |
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2018
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| CN108861886B (en) | 2019-09-17 |
| CN108861886A (en) | 2018-11-23 |
| CN110436276A (en) | 2019-11-12 |
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Effective date of registration: 20201105 Address after: 321300 3rd floor, building 2, No. 1196, Songshi West Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Applicant after: Zhejiang Jufeng Technology Co.,Ltd. Address before: 325025 No. 135, wing en Road, Sha town, Wenzhou economic and Technological Development Zone, Wenzhou, Zhejiang Applicant before: Xiang Saisai |
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