CN110829150B - Cable pre-cutting process method - Google Patents

Cable pre-cutting process method Download PDF

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Publication number
CN110829150B
CN110829150B CN201911089181.9A CN201911089181A CN110829150B CN 110829150 B CN110829150 B CN 110829150B CN 201911089181 A CN201911089181 A CN 201911089181A CN 110829150 B CN110829150 B CN 110829150B
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cable
cutting
positioning
construction
length
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CN201911089181.9A
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CN110829150A (en
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刘从文
王长来
谭锦年
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Nanjing Julian Transmission Installation Co ltd
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Nanjing Julian Transmission Installation Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F11/00Cutting wire

Abstract

The invention discloses a cable pre-cutting process method, which comprises the following specific steps: s1, according to a construction drawing, by combining with the actual laying position of the cables, estimating the construction length of each cable, reserving enough construction allowance during estimation, reserving a cutting length between two adjacent sections of cables, and selecting a total length according to the construction length, the construction reservation and the cutting length to prepare enough cables and cable cutting tools; s2, measuring the length of the cable, drawing a segmentation mark and cutting a segmentation line for the cable, marking the two ends of each section of the cable, and recording the marks on a construction drawing; s3, cutting the cable by adopting a cable cutting tool, respectively installing cable head protective sleeves at two ends of the cable, and sequentially rolling the cable on a cable reel according to the using sequence of each section of cable; therefore, the number of workers carrying redundant cables can be reduced, and the workload of the workers is reduced.

Description

Cable pre-cutting process method
Technical Field
The invention relates to the technical field of cable processing technologies, in particular to a cable pre-cutting technological method.
Background
Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable mainly comprises flame-retardant rubber sleeve cables, nuclear grade cables, bare wires, bare conductor products, power cables, communication cables, optical fibers, electromagnetic wires (winding wires), flexible fireproof cables and the like. The cable is mainly applied to power systems, information transmission, instrument systems and the like.
When the cable is used in an electric power system, a construction side usually carries a winding roll for winding the cable to a construction site, the cable is cut in real time according to actual use requirements, the length of the cable wound by the winding roll is certain, and when workers carry out outdoor construction, in order to prevent the cable from generating the condition that the length of the cable is insufficient midway, the cables are generally carried for wiring, so that the number of the carried cables is too large, the workload of the workers for carrying the cable is increased, and the improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cable pre-cutting process method which has the advantage that the workload of workers for carrying cables can be reduced.
The above object of the present invention is achieved by the following technical solutions:
a cable pre-cutting process method comprises the following specific steps:
s1, according to a construction drawing, by combining with the actual laying position of the cables, estimating the construction length of each cable, reserving enough construction allowance during estimation, reserving a cutting length between two adjacent sections of cables, calculating the total length according to the construction length, the construction reservation and the cutting length, and preparing enough cables and cable cutting tools;
s2, measuring the length of the cable, drawing a segmentation mark and cutting a segmentation line for the cable, marking the two ends of each section of the cable, and recording the marks on a construction drawing;
s3, cutting the cable by adopting a cable cutting tool, respectively installing cable head protective sleeves at two ends of the cable, and sequentially rolling the cable on the cable reel according to the using sequence of each section of the cable.
By adopting the technical scheme, the lengths of cables of different types required by construction are calculated according to a construction drawing, meanwhile, a cutting tool is prepared, sufficient construction allowance is reserved for the cables when the construction length of each cable is calculated, so that the possibility of insufficient cable length is reduced when workers actually construct the cables, meanwhile, the cutting length is reserved, the loss generated when the cutting tool cuts the cables is reduced, and the possibility of insufficient cable length during construction is reduced; when the cable is cut, numbering the head of the cable, and continuing to perform numbering on a construction drawing; after the cutting finishes, all install the cable protective sheath at the both ends of cable, the number rolling according to the cable is on the cable drum at last to this can reduce the too much cable of workman's transport, is favorable to reducing the work burden that the workman carried the cable, improves work efficiency.
Further, the cable head protective sleeve used in step S3 includes a rubber sleeve and a fixed sleeve, and a through hole for a cable to pass through is formed on an end wall of the rubber sleeve;
one end of the fixed sleeve is provided with a threaded hole for screwing the rubber sleeve in, the other end of the fixed sleeve is provided with a hook, the aperture of the threaded hole is gradually increased from one end close to the hook to one end far away from the hook, and the diameter of the threaded hole close to one end of the hook is smaller than the outer diameter of the rubber sleeve.
Through adopting above-mentioned technical scheme, after the cable cutting finishes, with the cable in the through-hole, again with rubber sleeve screw in threaded hole, poor through the aperture of threaded hole to can extrude the rubber sleeve, and then can fix the cable in the sleeve, can protect the tip of cable with this, reduce the cable tip and take place to break and produce the possibility that needs the cutting.
Furthermore, a plurality of anti-skidding grooves are annularly arranged on the inner side wall of the through hole.
Through adopting above-mentioned technical scheme, utilize anti-skidding recess to increase the frictional force between rubber sleeve and the cable, be favorable to increasing the connection stability between rubber sleeve and the cable.
Further, the cable reel used in step S3 includes a frame, a support shaft rotatably disposed on the frame, and positioning plates respectively disposed at two ends of the support shaft, wherein the positioning plates are provided with a plurality of groups of positioning holes circumferentially arrayed around an axis of the support shaft, and centers of the positioning holes of each group are on the same ring;
the locating hole is internally provided with a locating rod, the locating rod is arranged along the axial direction of the supporting shaft, the side wall of the locating plate is provided with a plurality of limiting holes and a plurality of radial arrays of the limiting holes along the locating hole, the end wall of the locating rod is provided with a limiting plate, and the side wall of the limiting plate is provided with a limiting block which penetrates through the limiting holes.
By adopting the technical scheme, before the cable is wound, the corresponding positioning rod passes through the positioning hole, and the limiting block on the limiting plate is inserted into the limiting hole, so that the positioning rod can be conveniently and quickly arranged on the positioning plate;
after the fixing sleeve is fixed on the head of the cable, according to the using sequence of the cable, the cable laid later is firstly wound on the limiting rod, and the cable laid firstly is then wound on the limiting rod, so that the hook hooks the positioning rod, and the cable is wound on the positioning rod of each group of positioning holes in sequence, thereby facilitating the installation and the detachment of the cable by workers.
Furthermore, the positioning rods in each group of positioning holes form rod groups, and the lengths of the adjacent rod groups are different.
Through adopting above-mentioned technical scheme, when the installation, according to the length of pole group to can choose different pole groups for use according to the model of cable, perhaps coil shared space according to the cable, install the cable again on different pole groups, with this can help the workman to distinguish the cable of different models, make things convenient for the workman to dismantle corresponding cable and carry out work.
Furthermore, a limiting groove for inserting the hook is formed in the side wall of the positioning rod along the axial direction of the positioning rod.
Through adopting above-mentioned technical scheme, when the cable coils on the locating lever, insert the couple in the spacing groove, the couple is on the locating lever again to this stability that can increase the cable coil on the locating lever.
Furthermore, one end of the positioning rod, which is far away from the limiting plate, is provided with at least two T-shaped sliding grooves, the groove walls of the sliding grooves are provided with springs, and one end of each spring, which is far away from the groove wall of each sliding groove, is provided with a stop rod.
Through adopting above-mentioned technical scheme, when the installation locating lever, with shelves pole slip in the spout, pass the locating hole with the locating lever again, after the cable coils on the locating lever, carry on spacingly through shelves pole to the cable to can increase the installation stability of cable on the locating lever.
Furthermore, a rotating handle is arranged on the end wall of the supporting shaft.
Through adopting above-mentioned technical scheme, utilize to rotate the handle, increase the convenience that the workman coiled the cable.
In conclusion, the invention has the following beneficial effects:
1. according to a construction drawing, the construction length of the cable is estimated, construction allowance and cutting allowance are reserved, the cable is cut, cable head protective sleeves are installed at two ends of the cut cable, and then the cable is wound on a cable reel, so that the carrying of redundant cables by workers can be reduced, and the workload of the workers is relieved;
2. according to the diameter of the cable or the length of the cable, pole groups with different lengths are selected and coiled on the pole groups, so that workers can conveniently distinguish corresponding cable models;
3. the stop lever is moved out of the sliding groove by the spring, so that the stability of the cable on the positioning lever is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a partial structure view showing a cross section along a-a in fig. 1.
Fig. 3 is a schematic structural diagram of a cable drum embodying the embodiment.
Fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. a cable head protective sleeve; 10. a rubber sleeve; 11. fixing a sleeve; 12. a through hole; 13. a threaded hole; 14. hooking; 15. an anti-slip groove; 2. a cable reel; 20. a frame; 21. a support shaft; 22. positioning a plate; 23. positioning holes; 24. positioning a rod; 25. a limiting hole; 26. a limiting plate; 27. a limiting block; 28. a set of rods; 29. a limiting groove; 200. a chute; 201. a spring; 202. a gear lever; 203. the handle is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a cable pre-cutting process method comprises the following specific steps:
s1, firstly, familiarizing with a cable laying construction drawing, combining the actual laying length of the cable according to the construction drawing, predicting the construction length of each cable, reserving enough construction allowance required by the cable in construction during prediction, reserving the cutting length of the cable between two adjacent sections of cables, recording the length of the corresponding model, and preparing a sufficient amount of cable and cable cutting tools after calculating the total length of the cable according to the construction length, the construction allowance and the cutting length of the cable;
s2, before cutting, measuring the length of the cable according to the length record of the cable on the required construction drawing, drawing a line and section mark for each cable according to the construction length and the construction allowance of the cable, drawing cutting section lines after the section marks, respectively drawing two cutting section lines, marking the two ends of the cable of the section, and recording the marks on the construction drawing;
s3, measuring the lower cable after the section is drawn, and repeating the step S2;
s4, cutting the cable between two cutting and segmenting lines by adopting a cable cutting tool, respectively installing cable head protective sleeves 1 at two ends of the cable, and sequentially rolling the cable on a cable drum 2 according to the using sequence of each section of the cable; the cables are cut in advance according to the drawing, so that the excessive and redundant cables carried by workers can be reduced, and the workload of the workers is reduced.
Referring to fig. 1 and 2, the cable head protective sleeve 1 used in step S4 includes a rubber sleeve 10 and a fixing sleeve 11, the rubber sleeve 10 is cylindrical, a through hole 12 for a cable to pass through is formed in an end wall of the rubber sleeve 10, and a plurality of anti-slip grooves 15 are annularly arranged on an inner side wall of the through hole 12 to increase friction between the cable and the rubber sleeve 10, thereby increasing stability of the cable in the rubber sleeve 10.
Referring to fig. 1 and 2, a threaded hole 13 for screwing the rubber sleeve 10 is formed in the end wall of the fixed sleeve 11, a hook 14 is arranged at one end of the fixed sleeve 11 far away from the threaded hole 13, the aperture of the threaded hole 13 is gradually increased from one end close to the hook 14 to one end far away from the hook 14, and the diameter of one end of the threaded hole 13 close to the hook 14 is smaller than the outer diameter of the rubber sleeve 10. After the cable is cut, the cable is inserted into the through hole 12, the rubber sleeve 10 is inserted into the threaded hole 13, the fixed sleeve 11 is rotated through the aperture difference of the threaded hole 13, the rubber sleeve 10 is extruded, and therefore the cable can be extruded and fixed in the rubber sleeve 10, and the fixed sleeve 11 can be fixed at the end portion of the cable.
Referring to fig. 3, the cable drum 2 used in step S4 includes a frame 20, a support shaft 21 is rotatably disposed on the frame 20, the support shaft 21 is horizontally disposed, positioning plates 22 are disposed at both ends of the support shaft 21, and a rotation handle 203 is disposed on an end wall of the support shaft 21, so that convenience in winding the cable is improved.
Referring to fig. 3, the positioning plate 22 is provided with a plurality of sets of positioning holes 23 circumferentially arrayed around the axis of the support shaft 21, each set of positioning holes 23 preferably includes four positioning holes 23, preferably four sets of positioning holes 23, and the centers of the positioning holes 23 in each set are all on the same circle.
Referring to fig. 3, the positioning rods 24 are disposed in the positioning holes 23, the positioning rods 24 are disposed along the axial direction of the support shaft 21, the positioning rods 24 in each set of positioning holes 23 constitute rod groups 28, the same group of rod groups 28 have the same length, and the adjacent rod groups 28 have different lengths.
Referring to fig. 3, a plurality of limiting holes 25, preferably four limiting holes 25, are disposed on the side wall of the positioning plate 22, the plurality of limiting holes 25 are arrayed along the circumferential direction of the positioning hole 23, a limiting plate 26 is disposed on the end wall of the positioning rod 24, and a limiting block 27 passing through the limiting hole 25 is disposed on the side wall of the limiting plate 26.
Referring to fig. 3, a limit groove 29 for inserting the hook 14 is formed on a side wall of the positioning rod 24 along an axial direction thereof; according to the model of each section of cable, the corresponding positioning rod 24 is inserted into the positioning hole 23, the limiting block 27 is inserted into the limiting hole 25, the positioning rod 24 can be conveniently and quickly installed on the positioning plate 22, then the hook 14 (referring to control figure 2) at the head of the cable is inserted into the limiting groove 29, the cable reel 2 is wound on the rod group 28, and finally the hooks 14 at the other ends are inserted into the limiting groove 29, so that the same model can be installed on the same rod group 28, and a worker can conveniently select the corresponding cable.
Referring to fig. 3, since the rod set 28 has a difference in internal and external distribution on the positioning plate 22, according to the installation sequence of the cables, the cables laid later can be firstly coiled on the rod set 28 near one side of the supporting shaft 21, and the cables laid firstly can be secondly coiled on the rod set 28 near the extension of the positioning plate 22, so that a worker can conveniently select corresponding cables for laying construction.
Referring to fig. 3, because the diameters of the rings where the centers of the circle of each group of positioning holes 23 are different, the diameter enclosed by the rod group 28 on the extending side of the positioning plate 22 is larger, and therefore, the length of the cable is longer, or more cables of the same type are provided, so that the cable can be wound on the rod group 28 close to the extending side of the positioning plate 22, the cable is convenient for workers to wind the cable with larger length, the cables of the same type can be wound on the same rod group 28 conveniently, and the possibility that the types are mixed to cause the wrong cable for the workers is reduced.
Referring to fig. 3 and 4, at least two T-shaped sliding grooves 200 are provided at one end of the positioning rod 24 away from the limiting plate 26, preferably two sliding grooves 200 are symmetrically provided at an end wall of the positioning rod 24, a spring 201 is provided on a groove wall of the sliding groove 200, and a stop rod 202 is provided at one end of the spring 201 away from the groove wall of the sliding groove 200; when a worker installs the positioning rod 24, the blocking rod 202 is pressed into the sliding groove 200, the spring 201 is extruded, the positioning rod 24 is inserted into the positioning hole 23, the spring 201 resets after penetrating through the positioning hole 23, the blocking rod 202 is extruded out of the sliding groove 200, and the cable is limited through the blocking rod 202, so that the stability of the cable drum 2 wound on the positioning rod 24 can be improved.
The implementation principle of the above embodiment is as follows: according to the construction drawing, the construction length is estimated, the construction allowance and the cutting allowance are reserved, the cable is cut, the cable head protective sleeve 1 is installed at the end of each section of cable, and finally the cable coil 2 is wound on the cable coil 2, so that the carrying of redundant cables by workers can be reduced, and the workload of the workers is relieved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (5)

1. A cable pre-cutting process method is characterized in that: the method comprises the following specific steps:
s1, according to a construction drawing, by combining with the actual laying position of the cables, estimating the construction length of each cable, reserving enough construction allowance during estimation, reserving a cutting length between two adjacent sections of cables, calculating the total length according to the construction length, the construction reservation and the cutting length, and preparing enough cables and cable cutting tools;
s2, measuring the length of the cable, drawing a segmentation mark and cutting a segmentation line for the cable, marking the two ends of each section of the cable, and recording the marks on a construction drawing;
s3, cutting the cable by adopting a cable cutting tool, respectively installing cable head protective sleeves (1) at two ends of the cable, and sequentially rolling the cable head protective sleeves on a cable reel (2) according to the using sequence of each section of the cable;
the cable head protective sleeve (1) used in the step S3 comprises a rubber sleeve (10) and a fixed sleeve (11), wherein a through hole (12) for a cable to pass through is formed in the end wall of the rubber sleeve (10);
one end of the fixed sleeve (11) is provided with a threaded hole (13) for the rubber sleeve (10) to be screwed in, the other end of the fixed sleeve is provided with a hook (14), the aperture of the threaded hole (13) is gradually increased from one end close to the hook (14) to the end far away from the hook (14), and the diameter of one end of the threaded hole (13) close to the hook (14) is smaller than the outer diameter of the rubber sleeve (10);
the cable reel (2) used in the step S3 comprises a rack (20), a support shaft (21) rotatably arranged on the rack (20) and positioning plates (22) respectively arranged at two ends of the support shaft (21), wherein a plurality of groups of positioning holes (23) which are circumferentially arrayed and take the axis of the support shaft (21) as the circle center are arranged on the positioning plates (22), and the circle centers of the positioning holes (23) in each group are all on the same ring;
a positioning rod (24) is arranged in the positioning hole (23), the positioning rod (24) is arranged along the axial direction of the supporting shaft (21), a plurality of limiting holes (25) are formed in the side wall of the positioning plate (22), the plurality of limiting holes (25) are arrayed along the circumferential direction of the positioning hole (23), a limiting plate (26) is arranged on the end wall of the positioning rod (24), and a limiting block (27) penetrating through the limiting holes (25) is arranged on the side wall of the limiting plate (26);
one end of the positioning rod (24) far away from the limiting plate (26) is provided with at least two T-shaped sliding grooves (200), the groove wall of each sliding groove (200) is provided with a spring (201), and one end of each spring (201) far away from the groove wall of each sliding groove (200) is provided with a stop rod (202).
2. The cable pre-cutting process method according to claim 1, characterized in that: and a plurality of anti-skidding grooves (15) are annularly arranged on the inner side wall of the through hole (12).
3. The cable pre-cutting process method according to claim 1, characterized in that: the positioning rods (24) in each group of positioning holes (23) form rod groups (28), and the lengths of the adjacent rod groups (28) are different.
4. The cable pre-cutting process method according to claim 1, characterized in that: and a limiting groove (29) for inserting the hook (14) is formed in the side wall of the positioning rod (24) along the axial direction of the positioning rod.
5. The cable pre-cutting process method according to claim 1, characterized in that: and a rotating handle (203) is arranged on the end wall of the supporting shaft (21).
CN201911089181.9A 2019-11-08 2019-11-08 Cable pre-cutting process method Active CN110829150B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN110829150A CN110829150A (en) 2020-02-21
CN110829150B true CN110829150B (en) 2020-11-20

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104409169A (en) * 2014-05-30 2015-03-11 南通贝斯特船舶与海洋工程设计有限公司 Cable pre-cutting process method
CN207511611U (en) * 2017-11-16 2018-06-19 江苏金兰湾电气科技有限公司 The heavy type cable reel that a kind of supporting rod can be adjusted
CN108492932A (en) * 2018-04-03 2018-09-04 昆山兴鸿蒙电子有限公司 A kind of precut process of cable
CN208761902U (en) * 2018-08-24 2019-04-19 南京钢铁四通运输有限责任公司 Convenient for the drum apparatus of wirerope storage
CN209375104U (en) * 2018-12-04 2019-09-10 江苏通光海洋光电科技有限公司 A kind of sea cable promptly abandons end sealing device

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