CN117060287B - Manufacturing method of steel wire crimping mode traction head - Google Patents
Manufacturing method of steel wire crimping mode traction head Download PDFInfo
- Publication number
- CN117060287B CN117060287B CN202311313696.9A CN202311313696A CN117060287B CN 117060287 B CN117060287 B CN 117060287B CN 202311313696 A CN202311313696 A CN 202311313696A CN 117060287 B CN117060287 B CN 117060287B
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- Prior art keywords
- cable
- crimping
- seat
- pushing
- sleeve
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- 238000002788 crimping Methods 0.000 title claims abstract description 112
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims description 76
- 230000000903 blocking effect Effects 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract 5
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/081—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling means at cable ends, e.g. pulling eyes or anchors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/126—Machines the cutting element not rotating about the wire or cable making a longitudinal cut
Landscapes
- Wire Processing (AREA)
Abstract
The invention relates to a manufacturing method of a steel wire crimping mode traction head. The invention comprises a supporting machine body; the top of the supporting machine body is fixedly connected with a crimping base; the electric push rod is used for pushing the crimping die, the pressing block is blocked through the pressing base in the pushing process, the pressing steel wire rope is further used for carrying out pressing structural design on the aluminum pipe and the sheath layer, the defect that aluminum and lead materials cannot be welded can be completely avoided, the traction head aluminum pipe and the cable lead sheath are directly subjected to annular pressing under the hydraulic action force, no gaps exist basically between the traction head aluminum pipe and the cable lead sheath, glue is arranged between the traction head aluminum pipe and the cable lead sheath, the function of water inflow can be better avoided, the outer diameter of a lead sealing part is effectively solved and is larger than the outer diameter of an integral cable, the cable laying is not facilitated, particularly, the situation of pipe penetrating laying is achieved, scalding is extremely easy to be caused by coating molten lead water by hands, and meanwhile the problem that the lead sheath in the cable is scalded is easy to be caused by the molten lead temperature is higher.
Description
Technical Field
The invention belongs to the technical field of cable processing, and particularly relates to a manufacturing method of a steel wire crimping type traction head.
Background
With the continuous development of the cable industry, the ultra-high voltage cable is widely applied to a power system. Meanwhile, the installation of the cable laying accessory is required to be higher, the cable pulling head is used as a common accessory for cable laying installation, in the specific implementation process, the steel wire is connected to one end of the cable pulling head, the other end of the cable pulling head is connected with a conductor of a cable, and damage of a cable sheath and a cable insulating layer due to overlarge traction force can be avoided.
Because the high-voltage cable is in case water inflow will cause fatal injury to insulation, especially to lead sheath cable, traction head waterproof performance especially needs to consider, in the present cable field, the traction head that commonly uses is the aluminum alloy material generally, its quality is light, intensity is big, wide being applied to the cable traction head, the traction head comprises traction steel cap and aluminum alloy body part, but because the melting point of plumbum is about 327 ℃, the melting point of aluminum is about 660 ℃, the difference in melting point of two materials is big, can't fuse together, lead to the aluminum alloy material traction head unable perfect with lead sheath cable connection, weld part intensity is lower, defect such as leak easily appear, consequently lead sealing mode can generally be adopted to install the traction head to lead sheath cable.
After the lead sleeve cable is packaged in a lead sealing mode, the fact proves that the lead sealing part is easy to crack after being stressed or bent, water is led to enter, the outer diameter of the lead sealing part is larger than that of the whole cable, the cable laying is not facilitated, particularly, the situation of pipe penetrating and laying is avoided, molten lead water is coated by hands, scalding is extremely easy to occur, and meanwhile, the temperature of molten lead is high, so that the lead sheath in the cable is easy to be scalded.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to pack the traction head in a lead sealing way in the prior art, the outer diameter of the lead sealing part is larger than the outer diameter of the whole cable, the cable laying is not facilitated, particularly in the case of pipe penetrating laying, molten lead water is coated by hand, scalding is extremely easy to occur, and meanwhile, the temperature of molten lead is higher, so that the lead sheath in the cable is easy to be scalded.
In order to solve the technical problems, the invention provides a manufacturing method of a steel wire crimping mode traction head, which comprises a support body; the top of the supporting machine body is fixedly connected with a crimping base; the top of the crimping base is provided with a crimping die; an electric push rod is fixedly connected to the bottom of the supporting machine body, and a push rod is fixedly connected to the output end of the electric push rod; the pushing rod penetrates through the inside of the crimping base and is fixedly connected to the bottom of the crimping die; a circle of crimping steel wire rope is arranged in the crimping die in a threaded manner; the two ends of the crimping steel wire rope are fixedly connected with falling blocks; the falling block is arranged at a position corresponding to the bottom of the crimping base; the problem that lead sheath in the cable is scalded easily because the outer diameter of the lead sealing part is larger than the outer diameter of the whole cable and is unfavorable for cable laying, especially the condition of poling laying, is extremely easy to scald because molten lead water is coated by hands, and meanwhile, the temperature of molten lead is higher is solved.
In one embodiment of the invention, the top of the supporting body is fixedly connected with a rotating seat; a rotating sleeve is rotatably connected inside the rotating seat; the inside of the rotating sleeve is rotationally connected with a rotating sleeve, and a plurality of meshing teeth are fixedly connected on the outer side wall of the rotating sleeve in a circumferential array; a driving gear is rotatably connected in the rotating seat; the driving gear is in meshed connection with the meshing teeth; the inside of the rotating sleeve is rotationally connected with a deflection block through a torsion spring; a pushing groove is formed in the rotating sleeve, and the pushing groove is arranged at a position corresponding to the top of the deflection block; the turnover of the cable is more convenient.
In one embodiment of the invention, the top of the supporting machine body is fixedly connected with a cutting seat; the cutting seat is arranged at a position between the crimping base and the rotating seat; the inside of the cutting seat is connected with a pushing seat in a sliding way; a transverse cutting blade is fixedly connected in the pushing seat; the top end of the transverse cutting blade is arranged at a position corresponding to the inside of the cutting seat; a longitudinal cutter is fixedly connected to the side wall of one side of the pushing seat far away from the rotating seat; the outer sheath of the cable can be cut more conveniently.
In one embodiment of the invention, the inside of the pushing seat is connected with a cutter blocking sleeve in a sliding way; the cutter blocking sleeve surrounds the transverse cutting blade; a spring is fixedly connected between the bottom of the cutter blocking sleeve and the inside of the pushing seat; the side wall of the cutting seat is fixedly connected with a protective sleeve; the longitudinal cutting knife is connected inside the protective sleeve in a sliding way; the situation that the operator touches by mistake and causes injury can be effectively avoided.
In one embodiment of the invention, a plurality of positioning rods are fixedly connected to the bottom of the crimping die; the positioning rod is connected to the internal positions of the crimping base and the supporting machine body in a sliding manner; the sliding of the crimping die can be made more stable.
In one embodiment of the invention, a plurality of first wear-resistant rollers are rotatably connected to the interior of the cutting seat; the inside of the pushing seat is rotationally connected with a plurality of second anti-wear rollers; the positions of the first anti-wear roller and the second anti-wear roller are regularly distributed in a circumferential array; the friction force between the cable and the cutting seat and between the cable and the pushing seat can be smaller.
In one embodiment of the invention, a pushing plate is arranged at the bottom of the pushing seat; the top of the pushing plate is fixedly connected with an air pushing block; the pushing block is connected to the inner position of the pushing seat in a sliding way; a blocking block is fixedly connected to the side wall of the pushing seat; an air guide through hole is formed between the sliding cavity of the air pushing block and the side wall of the blocking block; an air duct is fixedly connected to the end part of the air duct through hole; an annular cavity is formed in the rotating seat; a pushing block is connected inside the rotating sleeve in a sliding manner; the pushing block is arranged at a position corresponding to the pushing groove in the rotating sleeve; a spring is fixedly connected between the pushing block and the rotating sleeve; an air inlet pipe is connected between the sliding cavity and the annular cavity of the pushing block; the side wall of the pushing block is fixedly connected with an anti-falling block; the anti-falling block is connected to the inner position of the rotating sleeve in a sliding way; the other end of the air duct is connected to the inner position of the annular cavity; so that the rotation of the rotating sleeve is more stable.
In one embodiment of the invention, a positioning block is fixedly connected to the outer side wall of the rotating sleeve; the positioning block is rotationally connected to the inner position of the rotating seat; a plurality of balls are arranged between the positioning block and the rotating seat; the side walls of the balls are contacted with the side walls of the rotating seat and the positioning block; so that the abrasion between the positioning block and the rotating seat is less.
In one embodiment of the invention, a guide block is fixedly connected to the side wall of the longitudinal cutter; a guide groove is formed in the protective sleeve; the guide block is connected to the inner position of the guide groove in a sliding manner; the sliding of the pushing seat can be more stable.
In one embodiment of the invention, the method comprises the following specific steps:
s1: the cable is led into the inner position of the rotating seat through the feeding equipment, and then the feeding equipment stops conveying the cable after the cutting position of the outer sheath of the cable stays at the position corresponding to the transverse cutting blade;
s2: the pushing seat is controlled to slide upwards, the transverse cutting blade is cut into the outer sheath of the cable, the driving gear is controlled to drive the rotating sleeve to rotate through the meshing teeth, further after the rotating sleeve is extruded and fixed on the rotating sleeve through the deflection block in the rotating sleeve, the driving gear continues to push the meshing teeth to drive the rotating sleeve to rotate in the rotating seat, and the cable can be driven to turn over, and the outer sheath of the cable is annularly cut;
s3: after the circular cutting is finished, the driving gear is controlled to rotate reversely to drive the cable to reset, the cable is continuously pushed forwards through the feeding component, and the outer sheath of the cable is cut through the longitudinal cutting knife, so that the outer sheath of the cable can be taken down;
s4: after the outer sheath is taken down, a traction head aluminum pipe with silicone structural adhesive in the inner part is sleeved on a lead sheath of the cable, and then the cable is continuously pushed to move forwards;
s5: after the aluminum pipe stays at the top of the crimping die, the electric push rod is controlled to push the crimping die to move upwards, the falling block is blocked by the crimping base, the crimping steel wire rope is used for tightening, the aluminum pipe is crimped and fixed, when the crimping and fixing are carried out, the same position of the aluminum pipe needs to be rotated by 90 degrees and then crimped again, the same position needs to be crimped for 4 times, so that the aluminum pipe is attached to the sheath layer, and each aluminum pipe needs to be crimped for at least 3-4 annular embossments;
s6: after the wire rope crimping and glue filling are completed, the stripped sheath part is tightly wrapped by a self-adhesive tape, a traction cap sleeve is covered on the traction cap sleeve, a high polymer liquid sealant is smeared at the joint of the traction cap and the aluminum pipe, a seamless gap between the traction cap sleeve and the aluminum pipe is ensured, a thermal shrinkage sleeve is covered on the outer layer, and the thermal shrinkage sleeve is heated by a liquefied gas flame gun, so that the thermal shrinkage sleeve is tightly adsorbed on a traction body, and the wire crimping of the cable can be completed.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. according to the manufacturing method of the steel wire crimping mode traction head, the crimping die is pushed through the electric push rod, the falling blocks are blocked through the crimping base in the pushing process, so that the crimping steel wire rope is used for crimping the aluminum pipe and the sheath layer, the defect that aluminum and lead materials cannot be welded is completely avoided, the traction head aluminum pipe and the cable lead sheath are directly and annularly crimped under the hydraulic acting force, no gap exists between the traction head aluminum pipe and the cable lead sheath, glue is arranged between the traction head aluminum pipe and the cable lead sheath, the water inlet function can be better avoided, the problem that the outer diameter of a lead sealing part is larger than the outer diameter of an integral cable, the cable is not convenient to lay, particularly the situation that a penetrating pipe is laid is solved, molten lead water is coated by hand, scalding is extremely easy to be caused, meanwhile, the molten lead temperature is high, and the lead sheath in the cable is easy to be scalded is solved.
2. According to the manufacturing method of the steel wire crimping mode traction head, the driving gear is controlled to rotate, and then the meshing teeth drive the rotating sleeve to rotate, so that the pushing groove in the rotating sleeve pushes the deflection block, the deflection block is fixedly pressed on the outer side wall of the cable, the driving gear is further controlled to drive the rotating sleeve to rotate through the meshing teeth, and the cable is driven to turn over, so that the function of enabling the cable to turn over more conveniently is achieved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a partial structure of a press-fit base of the present invention;
FIG. 3 is a schematic view showing the internal structures of the rotary seat and the cutting seat according to the present invention;
FIG. 4 is a cross-sectional view of a swivel mount of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view of a cutting block of the present invention;
FIG. 7 is a schematic distribution diagram of a first wear roller and a second wear roller;
FIG. 8 is a cross-sectional view of a pusher shoe of the present invention;
fig. 9 is a flow chart of a method of making the present invention.
Description of the specification reference numerals: 1. a support body; 2. crimping a base; 3. crimping a die; 4. crimping the steel wire rope; 5. a push rod; 6. a falling block; 7. a rotating seat; 8. rotating the sleeve; 9. meshing teeth; 10. a drive gear; 11. a cutting seat; 12. a pushing seat; 13. a transverse cutting blade; 14. a longitudinal cutter; 15. a cutter blocking sleeve; 16. a protective sleeve; 17. a positioning rod; 18. a first wear roller; 19. a second wear roller; 20. a pushing plate; 201. pushing the air block; 21. a blocking piece; 22. a gas-guiding through hole; 23. an air duct; 24. an annular cavity; 25. a rotating sleeve; 26. a deflection block; 27. a pushing block; 28. an anti-falling block; 29. an air inlet pipe; 30. a positioning block; 31. a ball; 32. a guide block; 33. a guide groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1 to 2, a method for manufacturing a wire crimping traction head according to an embodiment of the present invention includes a supporting body 1; the top of the supporting machine body 1 is fixedly connected with a crimping base 2; the top of the crimping base 2 is provided with a crimping die 3; an electric push rod is fixedly connected to the bottom of the supporting machine body 1, and a push rod 5 is fixedly connected to the output end of the electric push rod; the pushing rod 5 penetrates through the inside of the crimping base 2 and is fixedly connected to the bottom of the crimping die 3; a circle of crimping steel wire rope 4 is arranged in the crimping die 3 in a threaded manner; the two ends of the crimping steel wire rope 4 are fixedly connected with falling blocks 6; the falling block 6 is arranged at a position corresponding to the bottom of the crimping base 2; when the cable is required to be crimped, the head end of the cable can be cut flat, the outer sheath of the cable is stripped, the lead sheath of the cable is exposed, then silicone structural adhesive is driven into the aluminum pipe of the traction head, the end of the cable is inserted into the aluminum pipe, the aluminum pipe and the cable are placed on the crimping die 3, after the placement is finished, an electric push rod is started to push the crimping die 3 to move upwards through a push rod 5, in the moving process, the crimping base 2 blocks the pendant block 6, the aluminum pipe starts to shrink and compress, the contact surface of the steel wire and the aluminum pipe is attached to the lead sheath, so that the cable and the traction head can be crimped, in the crimping process, the same position of the aluminum pipe needs to be crimped again after rotating for 90 degrees, the same position needs to be crimped for 4 times, so as to ensure that the aluminum pipe is attached to the sheath layer, and each aluminum pipe needs to be crimped at least 3-4 annular embossments, in the crimping process, glue extrusion overflows, the crimping die 3 is pushed through the electric push rod, in the pushing process, the falling block 6 is blocked through the crimping base 2, and then the crimping steel wire rope 4 is used for crimping the aluminum pipe and the sheath layer, the structural design that the welding of aluminum and lead materials can be completely avoided is realized, the traction head aluminum pipe and the cable lead sheath are directly and annularly crimped under the hydraulic acting force, no gap exists basically between the traction head aluminum pipe and the cable lead sheath, glue is arranged between the traction head aluminum pipe and the cable lead sheath, the water inlet function can be better avoided, the problem that the lead sheath in the cable is scalded due to the fact that the outer diameter of a lead sealing part is larger than the outer diameter of the whole cable is effectively solved, the cable is not beneficial to the cable laying, especially the situation of perforating pipe laying is solved, the cable is extremely easy to scald due to the fact that the lead sheath is coated by hands in a molten state, on one hand, the annular pressure joint lines can effectively organize the axial flow of water flow, and on the other hand, the water-proof glue can promote or enhance the water-proof performance of the traction head, so that the water-proof performance of the traction head is more excellent.
Referring to fig. 1, 3, 4 and 5, a rotating seat 7 is fixedly connected to the top of the supporting body 1; a rotating sleeve 8 is rotatably connected inside the rotating seat 7; the inside of the rotating sleeve 8 is rotatably connected with a rotating sleeve 25, and a plurality of meshing teeth 9 are fixedly connected on the outer side wall of the rotating sleeve 25 in a circumferential array; a driving gear 10 is rotatably connected inside the rotating seat 7; the driving gear 10 is in meshed connection with the meshing teeth 9; a deflection block 26 is rotatably connected to the inside of the rotary sleeve 8 through a torsion spring; a pushing groove is formed in the rotating sleeve 25, and the pushing groove is arranged at a position corresponding to the top of the deflection block 26; when the cable crimping device is in operation, when the cable crimping is needed, the cable can pass through the inside of the rotating sleeve 8, afterwards, the driving gear 10 can be controlled to drive the meshing teeth 9 to rotate, and then the meshing teeth 9 drive the rotating sleeve 25 to rotate, so that the pushing groove pushes the deflection block 26 to deflect to the surface of the cable, the surface of the cable is pressed and fixed, afterwards, when the driving gear 10 is used for pushing the meshing teeth 9 to drive the rotating sleeve 25 to rotate, the rotating sleeve 25 can be used for pushing the rotating sleeve 8 to rotate in the rotating seat 7, the cable is overturned, when the cable crimping is needed, the driving gear 10 can be controlled to rotate, the driving gear 10 can continue to drive the rotating sleeve 25 to rotate through the meshing teeth 9, and the cable can be overturned more conveniently through the pushing of the deflection block 26.
Referring to fig. 1, 3 and 6, a cutting seat 11 is fixedly connected to the top of the supporting body 1; the cutting seat 11 is arranged at a position between the crimping base 2 and the rotating seat 7; the inside of the cutting seat 11 is connected with a pushing seat 12 in a sliding way; a transverse cutting blade 13 is fixedly connected inside the pushing seat 12; the top end of the transverse cutting blade 13 is arranged at a position corresponding to the inside of the cutting seat 11; a longitudinal cutter 14 is fixedly connected to the side wall of the pushing seat 12, which is far away from the rotating seat 7; when the cable cutting device is in operation, when the outer sheath of the cable is required to be cut, the cable is guided into the cutting seat 11 from the rotating seat 7 through the feeding device, then the pushing seat 12 can be controlled to slide upwards, the cable is pushed through the pushing seat 12, the transverse cutting blade 13 in the pushing seat 12 cuts into the outer sheath of the cable, then the rotating sleeve 8 and the deflection block 26 can be controlled to drive the cable to rotate, and then the transverse cutting blade 13 can be controlled to cut the cable in a circular manner, so that the outer sheath of the cable can be cut, and then the pushing seat 12 can be controlled to slide downwards for a certain distance, so that the longitudinal cutting blade 14 stays at the position corresponding to the thickness of the outer sheath of the cable, and the outer sheath of the cable can be cut through the longitudinal cutting blade 14 in the process of being conveyed forwards, so that the outer sheath can be taken down, and the outer sheath of the cable can be cut more conveniently.
Referring to fig. 6 to 7, a cutter blocking sleeve 15 is slidably connected to the inside of the pushing seat 12; the cutter blocking sleeve 15 surrounds the transverse cutting blade 13; a spring is fixedly connected between the bottom of the cutter blocking sleeve 15 and the inside of the pushing seat 12; the side wall of the cutting seat 11 is fixedly connected with a protective sleeve 16; the longitudinal cutter 14 is slidingly connected inside the protective sleeve 16; when the during operation, when the oversheath to the cable need be cut, promote the in-process that seat 12 risen, keep off knife cover 15 can at first with the surface contact of cable to promote through the spring and keep off knife cover 15, make keep off knife cover 15 promote the cable, thereby can make the cable by the in-process of cutting, the circumstances that appears rocking less, simultaneously at horizontal cutting blade 13 and longitudinal cutting knife 14 during non-working, shelter from horizontal cutting blade 13 and longitudinal cutting knife 14 respectively through keeping off knife cover 15 and protective sleeve 16, can effectually avoid operating personnel to appear touching by mistake, lead to the condition of injury to appear.
Referring to fig. 1 to 2, a plurality of positioning rods 17 are fixedly connected to the bottom of the crimping die 3; the positioning rod 17 is connected at the inner positions of the crimping base 2 and the supporting machine body 1 in a sliding way; when the electric push rod is used for controlling the up-and-down movement of the crimping die 3 in operation, the sliding of the positioning rod 17 is limited by the supporting machine body 1 and the crimping base 2, so that the crimping die 3 is less inclined in the ascending and descending process, and the sliding of the crimping die 3 is more stable.
Referring to fig. 3 and 7, a plurality of first wear-resistant rollers 18 are rotatably connected to the inside of the cutting block 11; a plurality of second anti-wear rollers 19 are rotatably connected to the inside of the pushing seat 12; the positions of the first anti-wear roller 18 and the second anti-wear roller 19 are regularly distributed in a circumferential array; during operation, when the pushing seat 12 pushes the cable, and simultaneously drives the cable to rotate, the first anti-abrasion roller 18 and the second anti-abrasion roller 19 are respectively arranged in the cutting seat 11 and the pushing seat 12, so that sliding friction between the cable and the cutting seat 11 and sliding friction between the cable and the pushing seat 12 become rolling friction, and friction between the cable and the cutting seat 11 and friction between the cable and the pushing seat 12 are smaller.
Referring to fig. 3 to 8, a pushing plate 20 is provided at the bottom of the pushing base 12; the top of the pushing plate 20 is fixedly connected with a pushing block 201; the pushing block 201 is slidably connected to the pushing seat 12 at an inner position; a blocking block 21 is fixedly connected to the side wall of the pushing seat 12; an air guide through hole 22 is arranged between the sliding cavity of the air pushing block 201 and the side wall of the blocking block 21; an air duct 23 is fixedly connected to the end part of the air duct through hole 22; an annular cavity 24 is formed in the rotating seat 7; a pushing block 27 is connected inside the rotating sleeve 25 in a sliding manner; the pushing block 27 is arranged at a position corresponding to the pushing groove in the rotating sleeve 25; a spring is fixedly connected between the pushing block 27 and the rotating sleeve 25; an air inlet pipe 29 is connected between the sliding cavity of the pushing block 27 and the annular cavity 24; the side wall of the pushing block 27 is fixedly connected with an anti-falling block 28; the anti-falling block 28 is connected at the inner position of the rotating sleeve 25 in a sliding way; the other end of the air duct 23 is connected to the inner position of the annular cavity 24; when the cable is extruded and fixed by the deflection block 26, the push plate 20 can be pushed to slide upwards by equipment such as a push rod, then the air in the sliding cavity of the push block 201 can be extruded into the inner position of the annular cavity 24 by the air guide pipe 23 by the push block 201, so that the air pressure in the annular cavity 24 is increased, when the air pressure in the annular cavity 24 is increased, the air enters the sliding cavity of the push block 27 through the rotating sleeve 25, the deflection block 26 can be pushed by the push block 27, the pressure borne by the deflection block 26 is higher, the pushing effect on the deflection block 26 is better, meanwhile, the anti-falling block 28 is arranged on the side wall of the push block 27, the push block 27 can be blocked, the push block 27 is effectively prevented from falling off, the width of the annular cavity 24 corresponding to the position of the air inlet pipe 29 can be set according to the diameter of the air inlet pipe 29, the annular cavity 24 is extruded by the air inlet pipe 29, the rotating sleeve 25 can be positioned and guided by the rotating sleeve 25, and the rotating sleeve 25 is more stable.
Referring to fig. 3, a positioning block 30 is fixedly connected to the outer sidewall of the rotating sleeve 8; the positioning block 30 is rotatably connected to the inner position of the rotating seat 7; a plurality of balls 31 are arranged between the positioning block 30 and the rotating seat 7; the side walls of the balls 31 are contacted with the side walls of the rotating seat 7 and the positioning block 30; when the rotary sleeve 8 rotates in the rotary seat 7, the positioning block 30 is arranged on the side wall of the rotary sleeve 8, and the rotary sleeve 8 is more stable in the rotating process by limiting the rotation of the positioning block 30 through the rotary seat 7, and meanwhile, the ball 31 is arranged between the positioning block 30 and the rotary seat 7, so that the friction between the positioning block 30 and the rotary seat 7 is smaller, and the abrasion between the positioning block 30 and the rotary seat 7 is less.
Referring to fig. 3 and 8, a guide block 32 is fixedly connected to the side wall of the longitudinal cutter 14; a guide groove 33 is formed in the protective sleeve 16; the guide block 32 is slidably connected to the guide groove 33 at an inner position thereof; in operation, the sliding of the guide block 32 is guided by the guide groove 33 formed in the protective sleeve 16, so that the sliding of the push seat 12 can be guided, and the sliding of the push seat 12 can be stabilized.
Referring to fig. 9, the specific steps of the manufacturing method are as follows:
s1: the cable is led into the inner position of the rotating seat 7 by the feeding equipment, and then the feeding equipment stops conveying the cable after the cutting position of the outer sheath of the cable stays at the position corresponding to the transverse cutting blade 13;
s2: the pushing seat 12 is controlled to slide upwards, the transverse cutting blade 13 is cut into the outer sheath of the cable, the driving gear 10 is controlled to drive the rotating sleeve 25 to rotate through the meshing teeth 9, further after the rotating sleeve 25 is extruded and fixed on the rotating sleeve 8 through the deflection block 26 in the rotating sleeve 25, the driving gear 10 continues to push the meshing teeth 9, the rotating sleeve 8 is driven to rotate in the rotating seat 7, the cable can be driven to turn over, and the outer sheath of the cable is cut in a ring;
s3: after the circular cutting is finished, the driving gear 10 is controlled to rotate reversely to drive the cable to reset, the cable is continuously pushed forward by the feeding component, and the outer sheath of the cable is cut by the longitudinal cutting knife 14, so that the outer sheath of the cable can be taken down;
s4: after the outer sheath is taken down, a traction head aluminum pipe with silicone structural adhesive in the inner part is sleeved on a lead sheath of the cable, and then the cable is continuously pushed to move forwards;
s5: after the aluminum pipe stays at the top of the crimping die 3, the electric push rod is controlled to push the crimping die 3 to move upwards, the falling block 6 is blocked by the crimping base 2, and the aluminum pipe is crimped and fixed by the crimping steel wire rope 4, when the crimping and fixing are carried out, the same position of the aluminum pipe needs to be rotated for 90 degrees and then crimped again, the same position needs to be crimped for 4 times, so that the aluminum pipe is attached to a sheath layer, and each aluminum pipe needs to be crimped for at least 3-4 annular embossments;
s6: after the wire rope crimping and glue filling are completed, the stripped sheath part is tightly wrapped by a self-adhesive tape, a traction cap sleeve is covered on the traction cap sleeve, a high polymer liquid sealant is smeared at the joint of the traction cap and the aluminum pipe, a seamless gap between the traction cap sleeve and the aluminum pipe is ensured, a thermal shrinkage sleeve is covered on the outer layer, and the thermal shrinkage sleeve is heated by a liquefied gas flame gun, so that the thermal shrinkage sleeve is tightly adsorbed on a traction body, and the wire crimping of the cable can be completed.
The working principle is that when the cable needs to be crimped, the head end of the cable can be cut flat, the outer sheath of the cable is stripped, the lead sheath of the cable is exposed, then silicone structural adhesive is driven into the aluminum pipe of the traction head, after the end of the cable is inserted into the aluminum pipe, the aluminum pipe and the cable are placed on the crimping die 3, after the placement is finished, an electric push rod is started to push the crimping die 3 to move upwards through a push rod 5, in the moving process, the crimping base 2 stops the pendant block 6, the aluminum pipe starts to shrink and compress, the contact surface of the steel wire and the aluminum pipe is attached to the lead sheath, so that the cable and the traction head can be crimped, in the crimping process, the same position of the aluminum pipe needs to be crimped again after rotating by 90 degrees, the same position needs to be crimped for 4 times, so as to ensure the attachment of the aluminum pipe and the sheath layer, and each aluminum pipe needs to be crimped at least 3-4 annular embossments, in the crimping process, glue extrusion overflows, the crimping die 3 is pushed through the electric push rod, in the pushing process, the falling block 6 is blocked through the crimping base 2, and then the crimping steel wire rope 4 is used for crimping the aluminum pipe and the sheath layer, the structural design that the welding of aluminum and lead materials can be completely avoided is realized, the traction head aluminum pipe and the cable lead sheath are directly and annularly crimped under the hydraulic acting force, no gap exists basically between the traction head aluminum pipe and the cable lead sheath, glue is arranged between the traction head aluminum pipe and the cable lead sheath, the water inlet function can be better avoided, the problem that the lead sheath in the cable is scalded due to the fact that the outer diameter of a lead sealing part is larger than the outer diameter of the whole cable is effectively solved, the cable is not beneficial to the cable laying, especially the situation of perforating pipe laying is solved, the cable is extremely easy to scald due to the fact that the lead sheath is coated by hands in a molten state, on one hand, the annular pressure joint lines can effectively organize the axial flow of water flow, and on the other hand, the water-proof glue can promote or enhance the water-proof performance of the traction head, so that the water-proof performance of the traction head is more excellent.
When the end of the cable needs to be crimped, the cable can pass through the inside of the rotating sleeve 8, then the driving gear 10 can be controlled to drive the meshing teeth 9 to rotate, further the meshing teeth 9 can drive the rotating sleeve 25 to rotate, the pushing groove pushes the deflection block 26 to deflect to the surface of the cable, the surface of the cable is pressed and fixed, then the driving gear 10 is used for pushing the meshing teeth 9 to drive the rotating sleeve 25 to rotate, the rotating sleeve 25 can push the rotating sleeve 8 to rotate in the rotating seat 7, the cable is overturned, in the crimping process of the cable, the driving gear 10 can be controlled to rotate when the cable needs to be overturned, the driving gear 10 can continue to drive the rotating sleeve 25 to rotate through the meshing teeth 9, and the cable can be pushed by the deflection block 26 to be more convenient to overturn.
When the outer sheath of the cable needs to be cut, the cable is guided into the cutting seat 11 from the rotating seat 7 through the feeding device, then the pushing seat 12 can be controlled to slide upwards, the cable is pushed through the pushing seat 12, the transverse cutting blade 13 in the pushing seat 12 cuts into the outer sheath of the cable, then the rotating sleeve 8 and the deflection block 26 can be controlled to drive the cable to rotate, and then the transverse cutting blade 13 can be used for carrying out circular cutting on the cable, so that the outer sheath of the cable can be cut off, and then the pushing seat 12 can be controlled to slide downwards for a certain distance, so that the longitudinal cutting knife 14 stays at the position corresponding to the thickness of the outer sheath of the cable, and the outer sheath of the cable can be taken down through the longitudinal cutting knife 14 in the process of being conveyed forwards, so that the outer sheath of the cable can be cut more conveniently.
When the outer sheath of the cable needs to be cut, the cutter blocking sleeve 15 can be contacted with the surface of the cable firstly in the process of lifting the pushing seat 12, and the cutter blocking sleeve 15 is pushed by the spring, so that the cutter blocking sleeve 15 pushes the cable, the cable can be enabled to shake in the cut process, the condition that the cable shakes is less to appear, and meanwhile, when the transverse cutting blade 13 and the longitudinal cutting blade 14 do not work, the transverse cutting blade 13 and the longitudinal cutting blade 14 are blocked by the cutter blocking sleeve 15 and the protective sleeve 16 respectively, and misoperation of operators can be effectively avoided, so that the injury condition is caused.
When the electric push rod controls the up-and-down movement of the crimping die 3, the sliding of the positioning rod 17 is limited by the support body 1 and the crimping base 2, so that the crimping die 3 is less inclined in the ascending and descending process, and the sliding of the crimping die 3 is more stable.
When the pushing seat 12 pushes the cable, the cable is driven to rotate simultaneously, and the first anti-wear roller 18 and the second anti-wear roller 19 are respectively arranged in the cutting seat 11 and the pushing seat 12, so that sliding friction between the cable and the cutting seat 11 and sliding friction between the cable and the pushing seat 12 become rolling friction, and friction between the cable and the cutting seat 11 and friction between the cable and the pushing seat 12 are smaller.
When the deflection block 26 extrudes and fixes the cable, the push plate 20 can be pushed to slide upwards through equipment such as a push rod, and then the air in the sliding cavity of the push block 201 can be extruded into the inner position of the annular cavity 24 through the air duct 23 by the push block 201, so that the air pressure in the annular cavity 24 is increased, when the air pressure in the annular cavity 24 is increased, air enters the sliding cavity of the push block 27 through the rotating sleeve 25, the push block 27 can push the deflection block 26, the pressure born by the deflection block 26 is higher, the pushing effect on the deflection block 26 is better, meanwhile, the anti-falling block 28 is arranged on the side wall of the push block 27, the push block 27 can be blocked, the push block 27 is effectively prevented from falling off, the width of the annular cavity 24 corresponding to the position of the air duct 29 can be set according to the diameter of the air duct 29, the annular cavity 24 can extrude the air duct 29, the rotating sleeve 25 can have the positioning and guiding effects on the rotating of the rotating sleeve 25, and the rotating sleeve 25 is more stable.
When the rotating sleeve 8 rotates in the rotating seat 7, the positioning block 30 is arranged on the side wall of the rotating sleeve 8, and the rotating of the positioning block 30 is limited by the rotating seat 7, so that the rotating sleeve 8 is more stable in the rotating process, and meanwhile, the ball 31 is arranged between the positioning block 30 and the rotating seat 7, so that the friction force between the positioning block 30 and the rotating seat 7 is smaller, and the abrasion between the positioning block 30 and the rotating seat 7 is less.
By providing the guide groove 33 in the protective sleeve 16, the sliding of the guide block 32 is guided, so that the sliding of the pushing seat 12 can be guided, and the sliding of the pushing seat 12 can be more stable.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (7)
1. A manufacturing method of a steel wire crimping mode traction head is characterized by comprising the following steps: comprises a supporting machine body (1); the top of the supporting machine body (1) is fixedly connected with a crimping base (2); the top of the crimping base (2) is provided with a crimping die (3); an electric push rod is fixedly connected to the bottom of the supporting machine body (1), and a push rod (5) is fixedly connected to the output end of the electric push rod; the pushing rod (5) penetrates through the inside of the crimping base (2) and is fixedly connected to the bottom of the crimping die (3); a circle of crimping steel wire rope (4) is arranged in the crimping die (3) in a threaded manner; both ends of the crimping steel wire rope (4) are fixedly connected with falling blocks (6); the falling block (6) is arranged at a position corresponding to the bottom of the crimping base (2); the top of the supporting machine body (1) is fixedly connected with a rotating seat (7); a rotating sleeve (8) is rotatably connected in the rotating seat (7); the inside of the rotating sleeve (8) is rotationally connected with a rotating sleeve (25), and a plurality of meshing teeth (9) are fixedly connected on the outer side wall of the rotating sleeve (25) in a circumferential array; a driving gear (10) is rotatably connected in the rotating seat (7); the driving gear (10) is in meshed connection with the meshing teeth (9); a deflection block (26) is rotatably connected in the rotary sleeve (8) through a torsion spring; a pushing groove is formed in the rotating sleeve (25), and the pushing groove is arranged at a position corresponding to the top of the deflection block (26); the top of the supporting machine body (1) is fixedly connected with a cutting seat (11); the cutting seat (11) is arranged at a position between the crimping base (2) and the rotating seat (7); a pushing seat (12) is connected inside the cutting seat (11) in a sliding way; a transverse cutting blade (13) is fixedly connected in the pushing seat (12); the top end of the transverse cutting blade (13) is arranged at a position corresponding to the inside of the cutting seat (11); a longitudinal cutter (14) is fixedly connected to the side wall of one side of the pushing seat (12) far away from the rotating seat (7);
the manufacturing method comprises the following specific steps:
s1: the cable is led into the inner position of the rotating seat (7) through the feeding equipment, and then the feeding equipment stops conveying the cable after the cutting position of the outer sheath of the cable stays at the position corresponding to the transverse cutting blade (13);
s2: after the pushing seat (12) is controlled to slide upwards, the transverse cutting blade (13) is cut into the outer sheath of the cable, the driving gear (10) is controlled to drive the rotating sleeve (25) to rotate through the meshing teeth (9), further after the rotating sleeve (25) is extruded and fixed through the deflection block (26) in the rotating sleeve (25), the driving gear (10) continues to push the meshing teeth (9) after the rotating sleeve (25) is extruded on the rotating sleeve (8), the rotating sleeve (8) can be driven to rotate in the rotating seat (7), the cable can be driven to turn over, and the outer sheath of the cable is annularly cut;
s3: after the circular cutting is finished, the driving gear (10) is controlled to rotate reversely to drive the cable to reset, the cable is continuously pushed forward by the feeding assembly, and the outer sheath of the cable is cut by the longitudinal cutting knife (14), so that the outer sheath of the cable can be taken down;
s4: after the outer sheath is taken down, a traction head aluminum pipe with silicone structural adhesive in the inner part is sleeved on a lead sheath of the cable, and then the cable is continuously pushed to move forwards;
s5: after the aluminum pipe stays at the top of the crimping die (3), the electric push rod is controlled to push the crimping die (3) to move upwards, the falling block (6) is blocked by the crimping base (2) and is tightened by the crimping steel wire rope (4), the aluminum pipe is crimped and fixed, when the crimping and the fixing are carried out, the same position of the aluminum pipe needs to be crimped again after rotating by 90 degrees, the same position needs to be crimped for 4 times, so that the aluminum pipe is attached to a sheath layer, and each aluminum pipe at least needs to be crimped for 3-4 annular embossments;
s6: after the wire rope crimping and glue filling are completed, the stripped sheath part is tightly wrapped by a self-adhesive tape, a traction cap sleeve is covered on the traction cap sleeve, a high polymer liquid sealant is smeared at the joint of the traction cap and the aluminum pipe, a seamless gap between the traction cap sleeve and the aluminum pipe is ensured, a thermal shrinkage sleeve is covered on the outer layer, and the thermal shrinkage sleeve is heated by a liquefied gas flame gun, so that the thermal shrinkage sleeve is tightly adsorbed on a traction body, and the wire crimping of the cable can be completed.
2. The method for manufacturing the steel wire crimping traction head according to claim 1, wherein the method comprises the following steps: a cutter blocking sleeve (15) is connected inside the pushing seat (12) in a sliding manner; the cutter blocking sleeve (15) surrounds the transverse cutting blade (13); a spring is fixedly connected between the bottom of the cutter blocking sleeve (15) and the inside of the pushing seat (12); a protective sleeve (16) is fixedly connected to the side wall of the cutting seat (11); the longitudinal cutter (14) is slidably connected inside the protective sleeve (16).
3. The method for manufacturing the steel wire crimping traction head according to claim 1, wherein the method comprises the following steps: a plurality of positioning rods (17) are fixedly connected to the bottom of the crimping die (3); the positioning rod (17) is connected with the internal position of the crimping base (2) and the supporting machine body (1) in a sliding way.
4. The method for manufacturing the steel wire crimping traction head according to claim 2, wherein the method comprises the following steps: the inside of the cutting seat (11) is rotationally connected with a plurality of first anti-wear rollers (18); the inside of the pushing seat (12) is rotatably connected with a plurality of second anti-wear rollers (19); the positions of the first anti-wear roller (18) and the second anti-wear roller (19) are regularly distributed in a circumferential array.
5. The method for manufacturing the steel wire crimping traction head according to claim 4, wherein the method comprises the following steps: a pushing plate (20) is arranged at the bottom of the pushing seat (12); the top of the pushing plate (20) is fixedly connected with a pushing block (201); the pushing block (201) is connected to the inner position of the pushing seat (12) in a sliding way; a blocking block (21) is fixedly connected to the side wall of the pushing seat (12); an air guide through hole (22) is formed between the sliding cavity of the air pushing block (201) and the side wall of the blocking block (21); an air duct (23) is fixedly connected to the end part of the air guide through hole (22); an annular cavity (24) is formed in the rotating seat (7); a pushing block (27) is connected inside the rotating sleeve (25) in a sliding manner; the pushing block (27) is arranged at a position corresponding to the pushing groove in the rotating sleeve (25); a spring is fixedly connected between the pushing block (27) and the rotating sleeve (25); an air inlet pipe (29) is connected between the sliding cavity and the annular cavity (24) of the pushing block (27); the side wall of the pushing block (27) is fixedly connected with an anti-falling block (28); the anti-falling block (28) is connected at the inner position of the rotating sleeve (25) in a sliding way; the other end of the air duct (23) is connected to the inner position of the annular cavity (24).
6. The method for manufacturing the steel wire crimping traction head according to claim 1, wherein the method comprises the following steps: the outer side wall of the rotary sleeve (8) is fixedly connected with a positioning block (30); the positioning block (30) is rotatably connected to the inner position of the rotating seat (7); a plurality of balls (31) are arranged between the positioning block (30) and the rotating seat (7); the side walls of the balls (31) are contacted with the side walls of the rotating seat (7) and the positioning block (30).
7. The method for manufacturing the steel wire crimping traction head according to claim 2, wherein the method comprises the following steps: a guide block (32) is fixedly connected to the side wall of the longitudinal cutting knife (14); a guide groove (33) is formed in the protective sleeve (16); the guide block (32) is slidably connected to the guide groove (33) at an inner position thereof.
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