CN112160242A - Cable strand processing technology - Google Patents
Cable strand processing technology Download PDFInfo
- Publication number
- CN112160242A CN112160242A CN202011008725.7A CN202011008725A CN112160242A CN 112160242 A CN112160242 A CN 112160242A CN 202011008725 A CN202011008725 A CN 202011008725A CN 112160242 A CN112160242 A CN 112160242A
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- strand
- steel wire
- cable
- cable strand
- marking
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to the field of cable strand processing, in particular to a cable strand processing technology, which comprises the following steps: the method comprises the following steps: manufacturing a positioning mark wire; step two: manufacturing a steel wire with a standard length; step three: forming parallel steel wire strands: the method comprises the working procedures of paying off, splitting, gathering, shaping, straightening, lapping, marking with colors, binding steel wires, drawing, preforming and cutting; step four: looping the cable strand; step five: and (5) making an anchor. When the technical scheme is adopted, the cable strands can be conveniently processed in batches, and the processing quality is high.
Description
Technical Field
The invention relates to the field of cable strand processing, in particular to a cable strand processing technology.
Background
Traditional suspension bridge main push-towing rope strand adopts stranded steel wire to twine the hank to weave usually and forms in the course of working, and the in-process that weaves expends time more, is unfavorable for being arranged in actual batch production, can not control the strand precision moreover betterly, has certain influence to finished product strand quality.
Disclosure of Invention
The invention aims to provide a process which is convenient for processing cable strands in batches and has high processing quality.
In order to achieve the purpose, the technical scheme of the invention provides a cable strand processing technology, which comprises the following steps:
the method comprises the following steps: manufacturing a positioning mark wire;
step two: manufacturing a steel wire with a standard length;
step three: forming parallel steel wire strands: the method comprises the working procedures of paying off, splitting, gathering, shaping, straightening, lapping, marking with colors, binding steel wires, drawing, preforming and cutting;
step four: looping the cable strand;
step five: and (5) making an anchor.
The technical effect of the scheme is as follows: the scheme optimizes the processing technology of the cable strand, guarantees the processing efficiency of the cable strand, is suitable for processing the cable strand in batches, improves the length measuring precision of the finished product cable strand, has the advantage of high manufacturing precision, and is favorable for improving the processing quality of the cable strand by binding and preforming steel wires for preventing the cable strand from bulging in the erecting process.
Further, the step three is a coalescence and shaping procedure, and the parallel steel wire rope strands are adjusted into a hexagonal section; in the first step, red paint is coated on the steel wire at the upper left corner of the hexagonal cross section of the parallel steel wire rope strand to serve as a positioning mark steel wire, and in the second step, the steel wire at the upper right corner of the hexagonal cross section of the parallel steel wire rope strand serves as a standard length steel wire. The technical effect of the scheme is as follows: the positioning mark steel wire is beneficial to detecting the torsion of the parallel steel wire strands when the strands are erected, the erection quality of the main cable is improved, and meanwhile, the standard-length steel wire is arranged, so that the processing precision of the strands is improved.
Further, the specific steps of each procedure in the third step are as follows: paying off: respectively putting the steel wires into 127 pay-off reels; dividing silks: penetrating 127 steel wires into a wire dividing plate for dividing wires; straightening: straightening the steel wire bundle through a straightening die; wrapping: the wrapping distance is 1.5m, the number of turns is 8, and the wrapping positions of each strand are staggered; color marking: 11 marking points are arranged corresponding to the extension direction of each strand of standard length steel wire, and are respectively as follows: the method comprises the following steps of marking points on the end face of a west bank anchor cup, marking points 1m away from the end face of the west bank anchor cup, marking points of theoretical cable scattering points of a west bank cable scattering bank, marking points of cross-middle points of a west bank side, marking points of plumb planes where the circle centers of saddles at the top of the west bank tower are located, marking points of cross-middle points of a mid-span, marking points of front vertical planes where the circle centers of saddles at the top of east bank towers are located, marking points of cross-middle points of a east bank side, marking points of theoretical cable scattering points of a cable scattering bank, marking points 1m away from the end face of an east bank; coating red and blue paints with the thickness of 60mm respectively at each marking point, wherein the red and blue boundary is a marking section; binding steel wires: beginning at the position 1.5m away from the end faces at the two ends of the cable strand, binding and shaping by using steel wires with the diameter of 1.5mm at the position every 300m, wherein the length of the binding sections is 100 mm; traction: dragging the cable strand to advance through a crawler tractor; preforming: clamping a toothed hoop on the cable strand; cutting: the strand is cut off based on the standard length steel wire. The technical effect of the scheme is as follows: the cable strand processing device is beneficial to processing the cable strands in batches, thereby improving the processing efficiency.
And further, in the step four, the cable strand looping is to wind the manufactured cable strand on a looping machine, and the cable strand is stripped, looped and bound after all the cable strands are wound. The technical effect of the scheme is as follows: the method is convenient for rapidly completing the cable strand looping and entering the anchoring step.
Further, the anchor making in the fifth step comprises the following procedures: preparing an anchor cup, a zinc-copper alloy and a casting container; cleaning the inner cavity of the anchor cup and filling water to measure the volume of the inner cavity; after the cable strand penetrates into the anchor cup, the cable strand penetrates into a wire separating plate to separate wires and shape; the anchor cup and the cable strand are vertically fixed by a clamp; the vertical length of the steel wire under the anchor cup is more than or equal to 30 times of the diameter of the circumscribed circle of the cable strand, and the bending radius is more than 25 times of the diameter of the circumscribed circle of the cable strand; preheating the anchor cup to 150 +/-10 ℃, and heating the casting container to be more than 200 ℃; after the zinc-copper alloy is heated, pouring the zinc-copper alloy into an inner cavity until the temperature is 460 +/-10 ℃; and (6) cooling. The technical effect of the scheme is as follows: the anchor manufacturing quality is improved, and the firmness of the cable strand is improved.
Furthermore, the steel wire as a standard length steel wire should be sampled and subjected to an elastic modulus test, and a force is applied to both ends of the steel wire to straighten the steel wire. The technical effect of the scheme is as follows: the precision of the steel wire with the standard length can be improved.
Furthermore, the steel wire is bound by a soft wrapping belt after being bound. The technical effect of the scheme is as follows: the steel wire coating is prevented from being damaged by friction in the process of winding and unwinding the cable strand.
Furthermore, the center of the cable strand after being divided and shaped is consistent with the center of the anchor cup, and the steel wire is not contacted with the inner wall of the anchor cup. The technical effect of the scheme is as follows: the anchor manufacturing precision and quality can be improved.
Furthermore, the verticality of the anchor cup and the cable strand is controlled to be 90 +/-0.5 degrees. The technical effect of the scheme is as follows: the quality of the cable strand after erection is ensured.
Furthermore, the tooth-shaped clamps on the adjacent strands can be connected in a clamping mode. The technical effect of the scheme is as follows: after the cable strand is erected and finished, the multiple cable strands need to be folded and fixed, the tooth-shaped clamps on the adjacent cable strands are clamped and connected, the scattered condition of each cable strand in the process of folding and fixing the cable strands is effectively avoided, the cable strand is favorable for being folded and fixed quickly, and the construction progress is convenient to improve.
Drawings
FIG. 1 is a schematic view of a strand processing apparatus used in an embodiment of the present invention;
FIG. 2 is a schematic view of a cable strand and toothed clip according to one embodiment;
FIG. 3 is a schematic view of a toothed clip according to a second embodiment;
FIG. 4 is a schematic view of a plurality of toothed clips according to the second embodiment.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a pay-off reel 1, a wire separating plate 2, a hexagonal closing die 3, a hexagonal shaping die 4, a caterpillar tractor 5, a wrapping machine 6, preforming equipment 7, a strand wire winding machine 8, a sawing machine 9, a dragging roller 10, a looping machine 11, an anchor making platform 12, a tooth-shaped hoop 13 and a notch 14.
The first embodiment is as follows:
a cable strand processing technology comprises the following steps:
the method comprises the following steps: making a positioning marking wire: in order to detect the torsion of the parallel steel wire strands when the main cable is erected, a positioning mark steel wire is arranged at the upper left corner of the hexagonal section of the parallel steel wire strands, and red paint is coated along the length of the positioning mark steel wire; if the cross-section of the parallel wire strands is square, as shown in fig. 2, the positioning mark wire is also disposed at the upper left corner. Wherein the positioning mark steel wire and other steel wires in the cable strand are of the same specification and the same material.
Step two: manufacturing steel wires with standard lengths: in order to control the length precision of the parallel steel wire strand, a standard length steel wire is arranged at the upper right corner of the hexagonal section of the parallel steel wire strand, and the length measuring precision is more than 1/15000; if the cross-section of the parallel wire strands is square, as shown in fig. 2, the standard length wires are also arranged in the upper right corner.
1. The standard length steel wire is manufactured by adopting a (subsection) baseline length measuring method, and a baseline is preset within the length of 200m according to the length of the parallel steel wire rope strands and the positions of all marking points.
2. The base line distance is measured by a distance meter and a theodolite, and the precision is 1+1 ppm.
3. The steel wire for manufacturing is sampled and subjected to elastic modulus test to be used as a basis for length measurement and correction.
4. When in manufacturing, 194kg of force is applied to the two ends of the steel wire to make the steel wire straight.
5. 11 marking points are arranged corresponding to the extension direction of each standard length steel wire of the full-length cable strand, and are respectively as follows: the method comprises the following steps of marking points on the end face of a west bank anchor cup, marking points 1m away from the end face of the west bank anchor cup, marking points of theoretical cable scattering points of a west bank cable scattering bank, marking points of cross-middle points of a west bank side, marking points of plumb planes where the circle centers of saddles at the top of the west bank tower are located, marking points of cross-middle points of a mid-span, marking points of front vertical planes where the circle centers of saddles at the top of east bank towers are located, marking points of cross-middle points of a east bank side, marking points of theoretical cable scattering points of a cable scattering bank, marking points 1m away from the end face of an east bank; the precision between the marking points is not lower than 1/15000.
6. Repeating for many times within the length range of 200m until the design length.
Step three: forming parallel steel wire strands: the forming process needs to pass through the cable strand processing equipment shown in figure 1, and sequentially comprises a paying-off turntable, a wire separating plate 2, a hexagonal closing mold 3, a hexagonal shaping mold 4, a crawler tractor 5, a lapping machine 6, a preforming device 7, a strand bundling and wire winding machine 8, a sawing machine 9, a dragging roller 10, a wire arranging machine, a looping machine 11 and an anchor making platform 12 from the left; the number of reels 1 is 127 and the preforming device 7 comprises a toothed clip 13 as shown in fig. 2.
1. In the same production process, the steel wires in the 127 pay-off reels 1 need to be steel wires with the same multiple length (comprising steel wires with standard length)
2. The process flow comprises the following steps: the method comprises the working procedures of paying off, splitting, gathering, shaping, straightening, lapping, marking with colors, binding steel wires, drawing, preforming and cutting.
3. Paying off: the steel wires were placed in 127 payout reel 1, respectively.
4. Dividing silks: 127 steel wires are penetrated into the wire dividing plate 2 for wire dividing.
5. Coalescence and reshaping: the steel wires are bundled by a hexagonal die and adjusted to a hexagonal shape by a hexagonal sizing die 4.
6. Straightening: and straightening the steel wire bundle through a group of straightening dies.
7. Wrapping: the use is lapped around chartered plane 6 to the strand, and it is 1.5m to lap the package interval, and the number of turns is 8 circles, and the package position of lapping of every strand staggers each other.
8. Color marking: in the 11 marking points, the positions of the marking points are coated with red and blue paints of 60mm respectively, and the red and blue boundary is a marking section.
9. Binding steel wires: in order to prevent the wire bulging problem of the cable strand in the erection process, steel wires with the diameter of 1.5mm are bound on the cable strand by a strand winding machine 8 at the position of every 300m from the anchor cup end surfaces at two ends of the cable strand for shaping, the length of the bound section is 100mm, and the steel wires are closely arranged and reliably shaped when being bound; and then the steel wire is wrapped by a soft wrapping tape to avoid the friction damage to the steel wire coating in the process of winding and unwinding the cable strand.
10. Traction: the cable strand is pulled to travel by the crawler tractor 5.
11. Preforming: the single strand (or unit strand) is preformed when the strand is braided in the main cable saddle area section, the tooth-shaped hoop 13 is added to the preformed section of the single strand every 1.5m for shaping, and then the preformed section is wrapped by soft wrapping belts, so that the steel wire coating is prevented from being damaged by friction in the process of winding and unwinding the strand. One of the clamps in the preformed sections of the loose cable saddle and the main cable saddle is a reinforcing clamp, namely, one clamp is sleeved on the outer side of the tooth-shaped clamp 13 from top to bottom so as to reduce the deformation of a single cable strand in the traction process.
12. The main cable strand is cut off on a sawing machine 9 based on steel wires with standard length, the measurement accuracy of the parallel steel wire strand is greater than or equal to 1/12000 under the conditions of reference temperature (20 ℃) and zero stress, and the strand is supported by a supporting roller after cutting.
Step four: rope strand looping: and winding the prepared cable strands on a looping machine 11, and removing the tire after all the strands are wound, looping and binding.
Step five: anchoring on the anchoring platform 12: 1. an anchor cup, a zinc-copper alloy and a casting container were prepared.
2. Cleaning the inner cavity of the anchor cup and filling water to measure the volume of the inner cavity.
3. After the cable strand penetrates into the anchor cup, the cable strand penetrates into the wire separating plate 2 to be subjected to wire separating and shaping so as to uniformly distribute steel wires and fix the positions of the steel wires, the center of the cable strand is kept consistent with the center of the anchor cup, and the steel wires are not contacted with the inner wall of the anchor cup; wherein 6 steel wires on the strand angle are subjected to heading treatment.
4. And cleaning impurities and oil stains on the surface of the steel wire.
5. The length of the steel wire extending into the anchor cup is controlled according to the process card.
6. The anchor cup and the cable strand are vertically fixed by a clamp and corrected by an angle square, so that the verticality is controlled to be 90 +/-0.5 degrees.
7. The vertical length of the steel wire under the anchor cup is more than or equal to 30 times of the diameter (2067mm) of the circumscribed circle of the cable strand, and the bending radius is more than 25 times of the diameter (1722.5mm) of the circumscribed circle of the cable strand.
8. Preheating the anchor cup to 150 +/-10 ℃, heating the casting container to more than 200 ℃, and controlling by using a temperature controller.
9. The zinc-copper alloy is heated in a container with a temperature controller, poured into the inner cavity until the temperature is 460 +/-10 ℃, and continuously cast.
10. And (5) naturally cooling.
Example two:
on the basis of the first embodiment, as shown in fig. 3, the toothed hoops 13 on the adjacent strands can be clamped and connected into a state as shown in fig. 4, and the toothed hoops 13 are provided with notches 14; the strand consisting of several steel wires as shown in fig. 2 is not shown in fig. 3 and 4.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. A cable strand processing technology is characterized in that: the method comprises the following steps:
the method comprises the following steps: manufacturing a positioning mark wire;
step two: manufacturing a steel wire with a standard length;
step three: forming parallel steel wire strands: the method comprises the working procedures of paying off, splitting, gathering, shaping, straightening, lapping, marking with colors, binding steel wires, drawing, preforming and cutting;
step four: looping the cable strand;
step five: and (5) making an anchor.
2. The strand processing technology as claimed in claim 1, wherein: step three, in the coalescence and shaping process, the parallel steel wire rope strands are adjusted into a hexagonal section; in the first step, red paint is coated on the steel wire at the upper left corner of the hexagonal cross section of the parallel steel wire rope strand to serve as a positioning mark steel wire, and in the second step, the steel wire at the upper right corner of the hexagonal cross section of the parallel steel wire rope strand serves as a standard length steel wire.
3. The strand processing technology as claimed in claim 2, wherein: the concrete steps of each procedure in the third step are as follows: paying off: respectively putting the steel wires into 127 pay-off reels; dividing silks: penetrating 127 steel wires into a wire dividing plate for dividing wires; straightening: straightening the steel wire bundle through a straightening die; wrapping: the wrapping distance is 1.5m, the number of turns is 8, and the wrapping positions of each strand are staggered; color marking: 11 marking points are arranged corresponding to the extension direction of each strand of standard length steel wire, and are respectively as follows: the method comprises the following steps of marking points on the end face of a west bank anchor cup, marking points 1m away from the end face of the west bank anchor cup, marking points of theoretical cable scattering points of a west bank cable scattering bank, marking points of cross-middle points of a west bank side, marking points of plumb planes where the circle centers of saddles at the top of the west bank tower are located, marking points of cross-middle points of a mid-span, marking points of front vertical planes where the circle centers of saddles at the top of east bank towers are located, marking points of cross-middle points of a east bank side, marking points of theoretical cable scattering points of a cable scattering bank, marking points 1m away from the end face of an east bank; coating red and blue paints with the thickness of 60mm respectively at each marking point, wherein the red and blue boundary is a marking section; binding steel wires: beginning at the position 1.5m away from the end faces at the two ends of the cable strand, binding and shaping by using steel wires with the diameter of 1.5mm at the position every 300m, wherein the length of the binding sections is 100 mm; traction: dragging the cable strand to advance through a crawler tractor; preforming: clamping a toothed hoop on the cable strand; cutting: the strand is cut off based on the standard length steel wire.
4. A strand processing process according to claim 3, characterized in that: and step four, the cable strand looping is to wind the manufactured cable strand on a looping machine, and to remove the tire and loop and bundle after all the winding is finished.
5. The strand processing technology as claimed in claim 4, wherein: the anchor manufacturing in the fifth step comprises the following procedures: preparing an anchor cup, a zinc-copper alloy and a casting container; cleaning the inner cavity of the anchor cup and filling water to measure the volume of the inner cavity; after the cable strand penetrates into the anchor cup, the cable strand penetrates into a wire separating plate to separate wires and shape; the anchor cup and the cable strand are vertically fixed by a clamp; the vertical length of the steel wire under the anchor cup is more than or equal to 30 times of the diameter of the circumscribed circle of the cable strand, and the bending radius is more than 25 times of the diameter of the circumscribed circle of the cable strand; preheating the anchor cup to 150 +/-10 ℃, and heating the casting container to be more than 200 ℃; after the zinc-copper alloy is heated, pouring the zinc-copper alloy into an inner cavity until the temperature is 460 +/-10 ℃; and (6) cooling.
6. The strand processing technology as claimed in claim 5, wherein: the steel wire used as the steel wire with standard length is sampled and subjected to elastic modulus test, and force is applied to the two ends of the steel wire to straighten the steel wire.
7. The strand processing technology as claimed in claim 6, wherein: after binding the steel wire, the steel wire is bound by a soft binding belt.
8. The strand processing technology as claimed in claim 7, wherein: the center of the cable strand after being divided and shaped is consistent with the center of the anchor cup, and the steel wire is not contacted with the inner wall of the anchor cup.
9. The strand processing technology as claimed in claim 8, wherein: the verticality of the anchor cup and the cable strand is controlled to be 90 +/-0.5 degrees.
10. A strand processing process according to any one of claims 3 or 9, characterized in that: the tooth-shaped hoops on the adjacent strands can be clamped and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008725.7A CN112160242A (en) | 2020-09-23 | 2020-09-23 | Cable strand processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008725.7A CN112160242A (en) | 2020-09-23 | 2020-09-23 | Cable strand processing technology |
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| Publication Number | Publication Date |
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| CN112160242A true CN112160242A (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011008725.7A Pending CN112160242A (en) | 2020-09-23 | 2020-09-23 | Cable strand processing technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981995A (en) * | 2021-02-06 | 2021-06-18 | 郭文英 | Drawing frame of wire rope production usefulness |
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| GB911976A (en) * | 1958-11-06 | 1962-12-05 | Colorado Fuel & Iron Corp | Method of apparatus for spinning a parallel wire suspension cable |
| CN105421244A (en) * | 2015-12-10 | 2016-03-23 | 江苏法尔胜缆索有限公司 | Manufacturing method of prefabricated parallel steel wire preformed strands for main suspension bridge cable |
| CN106284082A (en) * | 2016-08-15 | 2017-01-04 | 云南云岭桥隧科技有限公司 | Main rope of suspension bridge strand preforming and erection construction method |
| CN206070374U (en) * | 2016-08-17 | 2017-04-05 | 上海浦江缆索股份有限公司 | The special clamp of suspension bridge preforming main cable strand |
| CN208309382U (en) * | 2018-05-31 | 2019-01-01 | 上海浦江缆索股份有限公司 | 91 preforming main rope of suspension bridge strands |
-
2020
- 2020-09-23 CN CN202011008725.7A patent/CN112160242A/en active Pending
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|---|---|---|---|---|
| GB911976A (en) * | 1958-11-06 | 1962-12-05 | Colorado Fuel & Iron Corp | Method of apparatus for spinning a parallel wire suspension cable |
| CN105421244A (en) * | 2015-12-10 | 2016-03-23 | 江苏法尔胜缆索有限公司 | Manufacturing method of prefabricated parallel steel wire preformed strands for main suspension bridge cable |
| CN106284082A (en) * | 2016-08-15 | 2017-01-04 | 云南云岭桥隧科技有限公司 | Main rope of suspension bridge strand preforming and erection construction method |
| CN206070374U (en) * | 2016-08-17 | 2017-04-05 | 上海浦江缆索股份有限公司 | The special clamp of suspension bridge preforming main cable strand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981995A (en) * | 2021-02-06 | 2021-06-18 | 郭文英 | Drawing frame of wire rope production usefulness |
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Application publication date: 20210101 |