CN113937669B - Construction method for assisting cable laying by using serial pulleys - Google Patents
Construction method for assisting cable laying by using serial pulleys Download PDFInfo
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- CN113937669B CN113937669B CN202111219249.8A CN202111219249A CN113937669B CN 113937669 B CN113937669 B CN 113937669B CN 202111219249 A CN202111219249 A CN 202111219249A CN 113937669 B CN113937669 B CN 113937669B
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- cable
- laying
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- cable laying
- pulley
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- 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
Abstract
The invention relates to a construction method for assisting cable laying by using serial pulleys, which relates to the technical field of cable laying and comprises the following four steps of supporting a cable by using pulleys and a cable laying machine to separate the cable from the ground, avoiding the phenomena that a cable outer sheath is scratched and scraped by the ground as much as possible and improving the cable laying quality; and set up drum and stay cord, pull up the front end of cable, operating personnel only need hold up the front end of cable, need not to lift up the front end of cable, has alleviateed staff's intensity of labour. This application has the effect that consumes the defect that the manpower is many among the improvement cable laying process.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a construction method for assisting cable laying by using a serial pulley.
Background
The cable laying refers to a process of laying and installing cables along the checked route to form a cable line. The operation quality, safety and reliability of the power supply system are related to the quality of the cable and the construction quality of cable laying, and faults caused by construction, installation and other factors are much more likely than faults caused by defects of a cable body.
In the related technology, in the cable laying process, after the cable is pulled out from the cable reel, the cable is laid along the designed cable line, the cable is directly dragged from the ground, several or even more than ten operating workers are needed to drag the cable together, the consumed labor is high, the sheath of the cable is easily scratched and broken by the ground, and the quality of the cable is reduced.
In view of the above-mentioned related technologies, the inventor believes that the cable laying process is labor-intensive and easily scratched by the ground.
Disclosure of Invention
In order to overcome the defects that much labor is consumed and the cable is easily scratched by the ground in the cable laying process, the application provides an auxiliary cable laying construction method by utilizing the serial pulleys.
The application provides a construction method for assisting cable laying by using a serial pulley, which adopts the following technical scheme:
a construction method for assisting cable laying by using a serial pulley comprises the following steps:
s1, erecting a plurality of paying-off supports between a laying starting point and a laying terminal point of the cable according to a preset laying scheme, wherein each paying-off support is provided with a pulley;
s2, placing a cable reel at the laying starting point of the cable according to a preset laying scheme, arranging a plurality of cable laying machines between the laying starting point and the laying terminal point of the cable, and arranging the cable laying machines and the pay-off bracket on a straight line;
s3, installing a wire coil above the cable coil, wherein the wire coil is in transmission connection with the cable coil, the cable coil drives the wire coil to rotate, a pull rope is wound on the wire coil, the front end of the pull rope is connected with the front end of a cable, and the pull rope pulls up the front end of the cable to enable the front end of the cable not to be lower than the paying-off support and the cable laying machine;
and S4, after the cable laying is started, manually placing a section of cable pulled out of the cable reel on a first cable laying machine, starting the first cable laying machine, and drawing the cable to slowly advance by the cable laying machine, wherein in the drawing process of the cable laying machine, each cable laying machine is adjusted to the same gear until the cable is laid to a terminal.
By adopting the technical scheme, the cable is supported by the pulleys and the cable laying machine, so that the cable is separated from the ground, the cable is not contacted with the ground, the friction force applied to the cable is reduced, the phenomena that the outer sheath of the cable is scratched and scraped by the ground are avoided as much as possible, and the cable laying quality is improved. The front end of the cable is pulled up through the pull rope, so that the front end of the cable is not lower than the paying-off support and the cable laying machine, the front end of the cable does not need to be lifted by an operator and placed on the paying-off support and the cable laying machine, the front end of the cable only needs to be held, and the labor intensity of the operator is reduced. The cable passes through on the pulley, and the resistance that receives is little, recycles cable laying machine stretching strap cable, and is laborsaving high-efficient, only need two people can, unwrapping wire support simple structure, easy preparation, low cost, convenient to carry, dismouting are swift, have realized high-efficient cabling's purpose.
Preferably, the distance between two adjacent pay-off supports is 10 meters, and the distance between two adjacent cable laying machines is 50-100 meters.
Through adopting above-mentioned technical scheme, reasonable span structure interval ensures that the holding power of unwrapping wire support is enough stable with the cable, avoids the cable flagging too big, and reasonable cable laying machine interval can guarantee to have sufficient power of drawing to the cable.
Preferably, the cable drum passes through the belt with the drum and is connected, fixedly connected with driving pulley on the cable drum, through pivot fixedly connected with driven pulley on the drum, the belt is connected driven pulley and driving pulley, install clutching mechanism in the pivot.
By adopting the technical scheme, the cable drum drives the drum to rotate through the belt, the driving force applied to the cable drum by the cable laying machine is transmitted to the drum, the drum rotates along with the drum, the stay cord is released, the clutch mechanism can be disconnected from the cable drum to transmit the driving force to the drum, the stay cord is released by manually rotating the drum, the difference between the length of the stay cord released by the drum and the length of the cable released by the cable drum is compensated, and the situation that the cable laying resistance is caused by the fact that the stay cord pulls up the front end of the cable too high is avoided.
Preferably, clutching mechanism includes the separation and reunion cover, the separation and reunion cover can be followed the endwise slip of pivot, the pivot includes primary shaft and secondary shaft, the one end of primary shaft rotates with the one end of secondary shaft to be connected, the outer wall of primary shaft and the outer wall of secondary shaft are equipped with the draw-in groove respectively, the inner wall of separation and reunion cover be equipped with can with the latch that the draw-in groove matches, slide the separation and reunion cover makes the latch card is gone into when in the draw-in groove of primary shaft and secondary shaft, primary shaft and secondary shaft fixed connection slide the separation and reunion cover makes the latch breaks away from during the draw-in groove of primary shaft's draw-in groove or secondary shaft, primary shaft and secondary shaft rotate to be connected.
Through adopting above-mentioned technical scheme, through adjusting the position of clutch cover at the pivot, realize the different cooperations of draw-in groove and latch for primary shaft and secondary shaft fixed connection or rotation are connected, thereby realize the disconnection and communicate drive power transmission for the drum.
Preferably, the clutch sleeve is provided with a limit bolt, and the lower end of the limit bolt can abut against the surface of the rotating shaft, so that the clutch sleeve and the rotating shaft are fixed with each other.
Through adopting above-mentioned technical scheme, behind the separation and reunion cover adjustment position, fixed with the separation and reunion cover through the spacing bolt of screwing, avoid the separation and reunion cover to take place the aversion voluntarily.
Preferably, the paying-off support comprises a supporting seat and two supporting rods, the two supporting rods are fixed to the upper end of the supporting seat respectively, the pulley is arranged between the two supporting rods, the height of each supporting rod can be adjusted, and the two ends of the pulley are connected with the upper ends of the two supporting rods in a rotating mode respectively.
Through adopting above-mentioned technical scheme, the supporting seat is installed on subaerial, and the bracing piece props up the pulley, and the installation of being convenient for, the bracing piece can height-adjusting so that adjust the height that needs with each pulley.
Preferably, the bracing piece comprises sleeve, loop bar and fastening swivel nut, telescopic lower extreme is fixed in on the supporting seat, the lower extreme slip cap of loop bar is located in the telescopic upper end, the outer wall of telescopic upper end is equipped with the connecting portion that have the external screw thread, connecting portion are equipped with a plurality of fore-and-aft notches, connecting portion can the internal contraction, fastening swivel nut cover is located the lower extreme and the threaded connection of loop bar connecting portion.
Through adopting above-mentioned technical scheme, go into connecting portion through rotatory fastening swivel nut, with connecting portion toward inside compression for the loop bar is hugged closely to the inner wall of connecting portion, thereby realizes the fixed connection between sleeve and the loop bar, will fasten the swivel nut and unscrew, and the fastening swivel nut breaks away from with connecting portion, and the inner wall and the loop bar of connecting portion are connected and are no longer inseparable, can slide the loop bar and adjust the height of loop bar.
Preferably, the pull rope is connected with the cable through a clamp, the clamp comprises two clamping pieces capable of clamping the cable in the middle, the two clamping pieces are fixedly connected through bolts and nuts, a lifting lug is fixedly arranged on one of the clamping pieces, and the lifting lug is bound by the pull rope.
Through adopting above-mentioned technical scheme, the clip is fixed on the cable, and the stay cord is connected on the clip, can make the stay cord joint firm, avoids the direct joint of stay cord to produce gliding condition on the cable and takes place.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pulleys and the cable laying machine are adopted to support the cable, so that the cable is separated from the ground, the phenomenon that the outer sheath of the cable is scratched and broken by the ground is avoided as much as possible, and the cable laying quality is improved; the front end of the cable is pulled up through the pull rope, so that an operator only needs to hold the front end of the cable without lifting the front end of the cable, and the labor intensity of the operator is reduced;
2. through the arrangement of the clutch mechanism, the cable drum can be disconnected to transmit driving force to the cable drum, so that the cable drum is manually rotated to release the stay cord, the difference between the length of the stay cord released by the cable drum and the length of a cable released by the cable drum is compensated, and the situation that the cable laying resistance is caused by the fact that the stay cord pulls the front end of the cable too high is avoided;
3. the stay cord passes through the clip to be fixed on the cable, and the clip is stable with being connected of cable, can make the stay cord ligature firm, avoids the stay cord direct tying up to take place gliding condition emergence on smooth cable easily.
Drawings
Fig. 1 is a schematic view of an apparatus for assisting a cable laying construction method using a tandem pulley according to an embodiment of the present application.
Fig. 2 is an enlarged view at a in fig. 1.
Description of reference numerals: 1. a cable; 2. paying off a support; 3. a cable layer; 4. a cable reel; 5. wire coils; 6. pulling a rope; 7. a clutch mechanism; 71. a clutch sleeve; 72. a limit bolt; 8. a clip; 9. a rotating shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a construction method for assisting cable laying by using a serial pulley. Referring to fig. 1, a construction method for assisting cable laying using a tandem pulley includes the steps of:
s1, erecting a plurality of paying-off supports 2 between the laying starting point and the laying end point of the cable 1 according to a preset laying scheme, wherein the distance between every two adjacent paying-off supports 2 is 10 m, and each paying-off support 2 is provided with a pulley.
S2, according to a preset laying scheme, a cable drum 4 is placed at the laying starting point of the cable 1, a plurality of cable laying machines 3 are arranged between the laying starting point and the laying end point of the cable 1, the distance between every two adjacent cable laying machines 3 is 50-100 m, and the cable laying machines 3 and the paying-off support 2 are arranged on the same straight line.
S3, a wire coil 5 is installed above the cable coil 4, the wire coil 5 is in transmission connection with the cable coil 4, the cable coil 4 drives the wire coil 5 to rotate, a pull rope 6 is wound on the wire coil 5, the front end of the pull rope 6 is connected with the front end of a cable 1, and the pull rope 6 pulls up the front end of the cable 1 to enable the front end of the cable 1 not to be lower than the pay-off support 2 and the cable laying machine 3.
S4, after the cable 1 is laid, manually placing a section of the cable 1 pulled out of the cable reel 4 on a first cable laying machine 3, then starting the first cable laying machine 3, drawing the cable 1 to slowly advance by the cable laying machine 3, and in the process of drawing by the cable laying machine 3, adjusting each cable laying machine 3 to the same gear until the cable 1 is laid to the terminal.
Referring to fig. 2, the clutch mechanism 7 includes a clutch sleeve 71, the clutch sleeve 71 can slide along the axial direction of the rotating shaft 9, the rotating shaft 9 includes a first shaft and a second shaft, one end of the first shaft is rotatably connected with one end of the second shaft, the outer wall of the first shaft and the outer wall of the second shaft are respectively provided with a clamping groove, the inner wall of the clutch sleeve 71 is provided with a latch capable of being matched with the clamping groove, when the clutch sleeve 71 is slid to enable the latch to be clamped into the clamping groove of the first shaft and the clamping groove of the second shaft, the first shaft and the second shaft are fixedly connected, and when the clutch sleeve 71 is slid to enable the latch to be separated from the clamping groove of the first shaft or the clamping groove of the second shaft, the first shaft and the second shaft are rotatably connected. Separation and reunion cover 71 is equipped with the bolt hole, installs spacing bolt 72 in the bolt hole, screws spacing bolt 72 and makes the lower extreme butt pivot 9's of spacing bolt 72 surface, and separation and reunion cover 71 and pivot 9 reciprocal anchorage loosen spacing bolt 72 and make the lower extreme of spacing bolt 72 and the surface of pivot 9 break away from the contact, and separation and reunion cover 71 can slide on pivot 9. During operation, when the front end of the cable 1 rises and then tilts to a certain degree, the limiting bolt 72 is loosened, the clutch sleeve 71 is slid to enable the latch to be separated from the clamping groove of the first shaft or the clamping groove of the second shaft, power transmission between the driven pulley and the wire coil 5 is disconnected, then the pull rope 6 is released by manually rotating the wire coil 5 to make up the difference between the length of the cable 1 and the length of the released pull rope 6, the front end of the cable 1 is released to return to a proper position, the clutch sleeve 71 is slid again to enable the first shaft and the second shaft to be fixedly connected, the limiting bolt 72 is screwed, and power transmission between the driven pulley and the wire coil 5 is switched on.
The pay-off support 2 comprises a supporting seat and two supporting rods, the two supporting rods are fixed at the upper end of the supporting seat respectively, the pulley is arranged between the two supporting rods, the supporting rods can adjust the height, and the two ends of the pulley are connected with the upper ends of the two supporting rods in a rotating mode respectively. The bracing piece comprises sleeve, loop bar and fastening swivel nut, and on telescopic lower extreme was fixed in the supporting seat, in telescopic upper end was located to the lower extreme slip cap of loop bar, the outer wall of telescopic upper end was equipped with the connecting portion that have the external screw thread, and connecting portion were equipped with a plurality of fore-and-aft notches, and connecting portion can the internal contraction, and the lower extreme and the threaded connection connecting portion of loop bar are located to the fastening swivel nut. Connecting portion are gone into to rotatory fastening swivel nut, with connecting portion towards inside compression for the loop bar is hugged closely to the inner wall of connecting portion, thereby realizes the fixed connection between sleeve and the loop bar, will fasten the swivel nut and loosen soon, and the fastening swivel nut breaks away from with connecting portion, and the inner wall of connecting portion is no longer inseparable with the loop bar is connected, can slide the loop bar and adjust the height of loop bar.
Through being connected of clip 8 between stay cord 6 and the cable 1, clip 8 includes two clamping pieces that can press from both sides cable 1 tightly in the centre, and two clamping pieces pass through bolt and nut fixed connection, and the fixed lug that is equipped with on one of them clamping piece, 6 ligature lugs of stay cord because the cable 1 outer wall is comparatively smooth, and 6 direct ligatures of stay cord can produce the slip on cable 1, uses clip 8 to press from both sides behind the tight cable 1 rethread stay cord 6 ligature clip 8, is difficult for producing gliding problem.
The implementation principle of the method for assisting cable laying construction by using the serial pulleys in the embodiment of the application is as follows: adopt pulley and cable laying machine 3 to prop up cable 1 for cable 1 and ground separation, cable 1 passes through on the pulley, and the resistance that receives is little, reuses cable laying machine 3 stretching strap cable 1, and is laborsaving high-efficient, only need two people can, reduce the phenomenon emergence that cable 1 oversheath is scratched, is scraped brokenly by ground, improves the quality of laying of cable 1. The front end of the cable 1 is pulled up through the pull rope 6, so that the front end of the cable 1 is not lower than the paying-off support 2 and the cable laying machine 3, the front end of the cable 1 which is lifted by an operator is not needed to be placed on the paying-off support 2 and the cable laying machine 3, the operator only needs to hold the front end of the cable 1, and the labor intensity of the operator is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. A construction method for assisting cable laying by using a serial pulley is characterized by comprising the following steps:
s1, erecting a plurality of paying-off supports (2) between a laying starting point and a laying finishing point of the cable (1) according to a preset laying scheme, wherein each paying-off support (2) is provided with a pulley;
s2, placing a cable reel (4) at a laying starting point of a cable (1) according to a preset laying scheme, arranging a plurality of cable laying machines (3) between the laying starting point and the laying terminal point of the cable (1), and arranging the cable laying machines (3) and a pay-off support (2) on the same straight line;
s3, installing a wire coil (5) above the cable coil (4), connecting the cable coil (4) and the wire coil (5) through a belt, driving the wire coil (5) to rotate by the cable coil (4), winding a pull rope (6) on the wire coil (5), connecting the front end of the pull rope (6) with the front end of the cable (1), and pulling up the front end of the cable (1) by the pull rope (6) to enable the front end of the cable (1) not to be lower than the pay-off bracket (2) and the cable laying machine (3); a driving belt pulley is fixedly connected to the cable drum (4), a driven belt pulley is fixedly connected to the cable drum (5) through a rotating shaft (9), the belt is connected with the driven belt pulley and the driving belt pulley, and a clutch mechanism (7) is installed on the rotating shaft (9); the clutch mechanism (7) comprises a clutch sleeve (71), the clutch sleeve (71) can slide along the axial direction of the rotating shaft (9), the rotating shaft (9) comprises a first shaft and a second shaft, one end of the first shaft is connected with one end of the second shaft, clamping grooves are respectively formed in the outer wall of the first shaft and the outer wall of the second shaft, clamping teeth capable of being matched with the clamping grooves are arranged on the inner wall of the clutch sleeve (71), when the clutch sleeve (71) is slid to clamp the clamping teeth into the clamping grooves of the first shaft and the second shaft, the first shaft and the second shaft are fixedly connected, and when the clutch sleeve (71) is slid to clamp the clamping teeth out of the clamping grooves of the first shaft or the clamping grooves of the second shaft, the first shaft and the second shaft are rotatably connected;
s4, after the cable (1) is laid, manually placing a section of cable (1) pulled out of the cable reel (4) on a first cable laying machine (3), then starting the first cable laying machine (3), drawing the cable (1) by the cable laying machine (3) to advance slowly, and in the drawing process of the cable laying machine (3), adjusting each cable laying machine (3) to the same gear until the cable (1) is laid to the terminal.
2. The method for assisting cable laying construction by using the tandem type pulley according to claim 1, wherein: the distance between two adjacent paying-off supports (2) is 10 meters, and the distance between two adjacent cable laying machines (3) is 50-100 meters.
3. The method for assisting cable laying construction by using the tandem type pulley according to claim 1, wherein: and a limiting bolt (72) is mounted on the clutch sleeve (71), and the lower end of the limiting bolt (72) can be abutted against the surface of the rotating shaft (9), so that the clutch sleeve (71) and the rotating shaft (9) are fixed with each other.
4. The method for assisting cable laying construction by using the tandem type pulley according to claim 1, wherein: the pay-off support (2) comprises a supporting seat and two supporting rods, the two supporting rods are fixed at the upper end of the supporting seat respectively, the two pulleys are arranged between the two supporting rods, and the two ends of each pulley are rotatably connected with the upper ends of the two supporting rods respectively.
5. The method for assisting cable laying construction by using the tandem type pulley according to claim 4, wherein: the utility model discloses a bracing piece, including supporting seat, bracing piece, telescopic upper end, telescopic lower extreme slip cap, telescopic upper end, the outer wall of telescopic upper end is equipped with the connecting portion that have the external screw thread, the connecting portion are equipped with a plurality of fore-and-aft notches, the connecting portion can inwards shrink, the fastening swivel nut cover is located the lower extreme and the threaded connection of loop bar connecting portion.
6. The method for assisting cable laying construction by using the tandem type pulley according to claim 1, wherein: the pull rope (6) is connected with the cable (1) through the clamp (8), the clamp (8) comprises two clamping pieces capable of clamping the cable (1) in the middle, the two clamping pieces are fixedly connected through a bolt and a nut, a lifting lug is fixedly arranged on one of the clamping pieces, and the lifting lug is bound by the pull rope (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111219249.8A CN113937669B (en) | 2021-10-20 | 2021-10-20 | Construction method for assisting cable laying by using serial pulleys |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111219249.8A CN113937669B (en) | 2021-10-20 | 2021-10-20 | Construction method for assisting cable laying by using serial pulleys |
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| CN113937669A CN113937669A (en) | 2022-01-14 |
| CN113937669B true CN113937669B (en) | 2022-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364718A (en) * | 2007-08-08 | 2009-02-11 | 上海宝冶建设有限公司 | Heavy cable laying system and laying method |
| CN101604829A (en) * | 2008-06-13 | 2009-12-16 | 江苏通光光缆有限公司 | A kind of optical cable overhead binding lays machine and laying method thereof |
| FR3026889A1 (en) * | 2014-10-03 | 2016-04-08 | Setic | METHOD OF MANUFACTURING DOUBLE TORSION OF A COPPER-MICA TORON-FIRE CABLE, ADAPTED LYRE AND ADAPTED FABRICATION LINE, FIRE-RESISTANT CABLE OBTAINED |
| CN204577995U (en) * | 2015-04-14 | 2015-08-19 | 国网山东省电力公司菏泽供电公司 | A kind of cable culvert wire feeder |
| CN109633847B (en) * | 2018-12-17 | 2020-10-16 | 国家电网有限公司 | Optical cable take-up device |
| CN111509623B (en) * | 2020-04-29 | 2022-04-12 | 上海国际超导科技有限公司 | Conveying device for cable pipe-penetrating laying and cable pipe-penetrating laying method |
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