CN113629589A - Waterproof leak protection of cable duct is supplementary to be laid equipment - Google Patents
Waterproof leak protection of cable duct is supplementary to be laid equipment Download PDFInfo
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- CN113629589A CN113629589A CN202111119712.1A CN202111119712A CN113629589A CN 113629589 A CN113629589 A CN 113629589A CN 202111119712 A CN202111119712 A CN 202111119712A CN 113629589 A CN113629589 A CN 113629589A
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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
- 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
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Abstract
The invention belongs to the technical field of cable laying, and particularly relates to a waterproof and leakproof auxiliary laying device for a cable duct, which comprises a guide wheel and a cable penetrating pipe. When the guide mechanism needs to be taken out, the sliding ring is pulled to slide, the sliding ring pulls the swing rod to swing through the pull rope, the swing rod swings to enable the cambered surface of the convex block to be in contact with the installation sliding rod, the distance between the cambered surface area of the convex block and the hinged shaft is smaller than the distance between the lower end straight surface of the convex block and the hinged shaft, the installation sliding rod moves upwards by a small range at the moment, the installation sliding rod is pressed on the cable through the pressing sheet to disappear, and the guide mechanism can pull out the cable relatively.
Description
Technical Field
The invention belongs to the technical field of cable laying, and particularly relates to a waterproof and leakproof auxiliary laying device for a cable duct.
Background
When the cable is installed at present, the cable is generally buried under the ground, on one hand, the reliability of the urban power grid can be enhanced, the cable is exposed in the air and is easy to age due to wind and rain, the insulating layer is easy to fall off due to the fact that the cable is easily corroded by acid-base gas and water vapor in the air, and the overhead cable has a great number of dangerous hidden dangers. On the other hand, the transmission capability of a city can be enhanced, a cable line buried underground can reach a plurality of loops, and an underground high-voltage cable generally has a copper conductor with higher efficiency, so that the underground high-voltage cable can efficiently transmit electric energy. Meanwhile, by adopting a buried mode, dangerous accidents can be better reduced, and personal safety accidents caused by accidents of telegraph poles are avoided.
In the process of underground laying of the cable, a cable trench is dug by a digging machine, a cable penetrating pipe is arranged in the cable trench, the cable is penetrated, then the cable is buried by soil, and the cable is hardened on the upper layer. A plurality of pipelines are often laid in the construction process, so that a new cable can be conveniently threaded in the future; the cable penetrating pipe is longer in the penetrating process, so that the friction resistance in the penetrating process is larger, and the cable is difficult to penetrate; if the guide wheel is additionally arranged on the outer side of the cable for guiding in the pipe, the friction resistance is reduced, but the guide wheel cannot be detached after being installed, so that the cost is increased; and the cable is worn the back, needs seal each mouth of pipe, and sealed needs extra process to operate, when running into heavy rain, the mouth of pipe is sealed not well and can cause muddy water to get into the pipe, causes cable corrosion and electric conduction pad trouble.
The invention designs a waterproof and leakproof auxiliary laying device for a cable duct, which solves the problems.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
a waterproof and leakproof auxiliary laying device for a cable duct comprises a guide wheel and a cable penetrating pipe, wherein the cable penetrating pipe is placed in the cable duct, and a cable is arranged in the cable penetrating pipe; and the cable line is provided with a guide mechanism.
The guide mechanism comprises a sliding ring, a mounting sleeve, a pressing mechanism and a supporting mechanism, wherein the mounting sleeve is formed by sleeving two semicircles, and external threads are arranged on the outer circular surfaces of two ends of the mounting sleeve; one ends of the two semicircular sleeves are hinged, the other ends of the two semicircular sleeves are fixedly connected through a plurality of fastening components, and an elastic sealing strip is arranged between the mutually contacted end surfaces of the two semicircular sleeves; the outer side of the mounting sleeve is provided with a sliding ring in a sliding manner along the axis direction, and the sliding ring is composed of two disconnected arc-shaped structures; three supporting mechanisms which are uniformly distributed in the circumferential direction and three pressing mechanisms which are uniformly distributed in the circumferential direction are arranged on the outer side of the mounting sleeve.
The supporting mechanism comprises supporting wheels, wherein the two supporting wheels distributed along the axis direction of the mounting sleeve are mounted on the outer circular surface of the mounting sleeve through a supporting rod with adjustable length.
The pressing mechanism comprises a hinged shaft, a supporting plate, a fixing ring, an installation sliding rod, an adjusting ring, a pressing sheet, an external thread sleeve, an internal thread sleeve, a convex block and a swing rod, wherein the fixing ring is fixedly installed on the outer circular surface of the installation sleeve, the lower end of the external thread sleeve is rotatably installed on the fixing ring, and the upper end of the external thread sleeve is fixedly provided with the adjusting ring; the internal thread sleeve is installed on the external thread sleeve in a thread fit mode, the installation sliding rod is installed on the installation sleeve in a sliding mode, the lower end of the installation sliding rod is fixedly provided with the pressing piece, and the upper end of the installation sliding rod penetrates into the internal thread sleeve to be in sliding fit with the internal thread sleeve through the guide block guide groove; the hinge shaft is fixedly arranged on the upper side of the internal thread sleeve through two support plates, the corner of the lower end of the lug is provided with a cambered surface, the lug is fixedly arranged on the hinge shaft, the lower end of the lug is in extrusion fit with the installation slide rod, and the distance between the hinge shaft and the cambered surface of the lug is smaller than the distance between the hinge shaft and the straight surface of the lower end of the lug; and the upper side of the lug is obliquely provided with a swing rod, and the swing rod is fixedly connected with the sliding ring through a connecting piece.
The sliding ring is connected with the mounting sleeve in the adjacent guide mechanism through a steel wire rope.
After the cable is conveyed into the cable penetrating pipe, two guide mechanisms are reserved at two ends of the cable penetrating pipe, and a first sealing plate, a second sealing plate, a third sealing plate and a fourth sealing plate which are used for sealing two ends of the cable penetrating pipe are arranged on two sides of the cable penetrating pipe through matching with the two guide mechanisms; the first sealing plate, the second sealing plate, the third sealing plate and the fourth sealing plate are all composed of two semicircular sealing plates, one ends of the two semicircular sealing plates are hinged through a first connecting support lug and a second connecting support lug, and the other ends of the two semicircular sealing plates are fixedly connected through a fastening part; an elastic sealing strip is arranged on the contact surface of the two semicircular sealing plates which are mutually connected; the sealing plate is installed on the mounting sleeve through threaded fit.
Preferably, the fastening part fixedly connected to the other ends of the two semicircular sleeves of the mounting sleeve is a first tightening screw, a plurality of first nesting holes are formed in the end face of one semicircular close sleeve of the two semicircular sleeves, a plurality of step-shaped first nesting blocks are fixedly mounted on the end face of the other semicircular sleeve, the first nesting holes are in one-to-one corresponding nesting fit with the first nesting blocks, and the first nesting holes are fixedly connected with the first nesting blocks through the first tightening screws.
As a preferred scheme, the length-adjustable support rod comprises a telescopic screw rod, a fixed sleeve and an adjusting threaded sleeve, wherein the lower end of the fixed sleeve is fixedly arranged on the outer circular surface of the mounting sleeve, the adjusting threaded sleeve is rotatably arranged on the outer circular surface of the upper end of the fixed sleeve, the lower end of the telescopic screw rod is slidably arranged in the fixed sleeve, and the telescopic screw rod is in matched connection with the inner thread of the adjusting threaded sleeve; the supporting wheel is fixedly arranged at the upper end of the telescopic screw rod.
Preferably, three guide sliding grooves are uniformly arranged on the outer circumferential surface of the mounting sleeve in the circumferential direction, three guide sliding blocks are arranged on the inner circumferential surface of the sliding ring, and the sliding ring is arranged on the outer side of the mounting sleeve through the sliding fit of the guide sliding blocks and the guide sliding grooves.
Preferably, the outer circumferential surface of the mounting sleeve is provided with three sliding holes for the three mounting sliding rods to penetrate through.
As a preferred scheme, the connecting piece between the sliding ring and the swing rod comprises a guide sleeve, a connecting plate, a swing plate, a guide support and a connecting rod, wherein one end of the connecting rod is fixedly arranged on the sliding ring, the guide sleeve is fixedly arranged on the outer circular surface of the mounting sleeve through the guide support, the connecting plate is slidably arranged on the guide sleeve, and one end of the connecting plate is fixed on the connecting rod; the other end of the connecting plate is hinged with a swinging plate, and the swinging plate is hinged with a swinging rod.
As a preferred scheme, one end of the mounting sleeve is provided with three hook grooves for connecting steel wire ropes for connecting the front guide mechanism and the rear guide mechanism; the slip ring is provided with three hook grooves, one ends of the three hook plates are hinged to the inner side of the slip ring, and the other ends of the three hook plates are matched with the three hook grooves in a one-to-one correspondence mode.
Preferably, the fastening part fixedly connected to the other ends of the two semicircular sealing plates of the first sealing plate, the second sealing plate, the third sealing plate and the fourth sealing plate is a second tightening screw, a plurality of second nesting holes are formed in the end face of one semicircular sealing plate of the two semicircular sealing plates which are connected with each other, a plurality of step-shaped second nesting blocks are fixedly mounted on the end face of the other semicircular sealing plate, the second nesting holes are in one-to-one corresponding nesting fit with the second nesting blocks, and the second nesting holes and the second nesting blocks are fixedly connected through the second tightening screws.
Compared with the prior art, the invention has the advantages that:
1. the guide mechanism is arranged on the inner side of the cable penetrating pipe through three supporting mechanisms which are uniformly distributed in the circumferential direction; the invention ensures that the guide mechanisms with different types and sizes are suitable for different cable-penetrating pipes through the support rods with adjustable length, and meets the cable-penetrating pipes with various sizes by replacing the types of the guide mechanisms and adjusting the support rods with adjustable length.
2. According to the invention, the guide mechanism is fixed on the cable wire through the three pressing mechanisms which are uniformly distributed in the circumferential direction, when the cable wire is input, the cable wire can drive the guide mechanism to slide along the cable penetrating pipe through the pressing mechanisms, and the resistance of the cable wire penetration is reduced through the rolling of the support wheels in the support mechanism in the guide mechanism and the cable penetrating pipe. When guide mechanism needs to be taken out, the pulling is in the slip ring in the outside, on the one hand, the slip ring slides through the slip ring of corresponding installation cover and wire rope pulling rear side, on the other hand the slip ring passes through stay cord pulling pendulum rod swing, the pendulum rod swing makes the cambered surface of lug and installation slide bar contact, the distance of cambered surface region apart from the articulated shaft is less than the distance of lug lower extreme straight face apart from the articulated shaft, so the installation slide bar shifts up a small margin this moment, the installation slide bar exerts the compressing tightly on the cable conductor through the pressing plate and from will disappearing, guide mechanism can be pulled out by the relative cable conductor.
3. The invention combines two semicircular sealing plates of a first sealing plate, a second sealing plate, a third sealing plate and a fourth sealing plate into a finished annular plate through the matching of a designed second nesting block and a second nesting hole, and the two semicircular sealing plates are fixed through a second tightening screw; a sealing strip is arranged at the joint of the two semicircular sealing plates, so that the sealing effect is ensured; the combined sealing plate is arranged on the corresponding end surfaces of the two guide wheels left in the cable penetrating pipe in a threaded fit manner, and the two ends of the cable penetrating pipe are sealed; the inner wall surfaces of two ends of the cable penetrating pipe are provided with annular grooves matched with the sealing plates, and the sealing plates and contact areas of the cable penetrating pipe and the cable conductor are provided with sealing structures, so that the sealing effect is guaranteed.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the guide mechanism installation.
Fig. 3 is a schematic view of the seal plate mounting.
Fig. 4 is a schematic structural view of the guide mechanism.
Fig. 5 is a schematic view of the structure of the mounting sleeve.
Fig. 6 is a schematic view of a slip ring structure.
Fig. 7 is a schematic structural view of the support mechanism.
Fig. 8 is a schematic view of the pressing mechanism.
Fig. 9 is a schematic view of a sealing plate structure.
Fig. 10 is a schematic view of a semicircular sealing plate structure.
Number designation in the figures: 1. a threading tube; 2. a guide mechanism; 3. a cable wire; 4. a first sealing plate; 5. a second sealing plate; 6. a third sealing plate; 7. a fourth seal plate; 8. installing a sleeve; 9. a slip ring; 10. a first tightening screw; 11. a clamping mechanism; 12. a support mechanism; 13. a first nesting block; 14. a first nesting groove; 15. a slide hole; 16. a hook groove; 17. a guide chute; 18. hooking a groove; 19. a support wheel; 20. a telescopic screw; 21. adjusting the threaded sleeve; 22. fixing a sleeve; 23. a guide sleeve; 24. a connecting plate; 25. a swinging plate; 26. a guide support; 27. an adjusting ring; 28. an external thread sleeve; 29. a fixing ring; 30. installing a sliding rod; 31. a compression sheet; 32. a bump; 33. a swing rod; 34. hinging a shaft; 35. a connecting rod; 36. a guide slider; 37. hooking the plate; 38. a support plate; 39. an internal thread sleeve; 40. a second tightening screw; 41. a second nested block; 42. a first connecting lug; 43. a semicircular sealing plate; 44. a second nesting groove; 45. the second is connected with the lug.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must be of a particular length, orientation, configuration and operation in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the cable guide device comprises a guide wheel and a cable penetrating pipe, wherein the cable penetrating pipe is placed in a cable trench, and a cable 3 is installed in the cable penetrating pipe; and the cable 3 is provided with a guide mechanism 2.
As shown in fig. 3 and 4, the guide mechanism 2 includes a sliding ring 9, a mounting sleeve 8, a pressing mechanism, and a supporting mechanism 12, wherein as shown in fig. 5, the mounting sleeve 8 is formed by two semicircles which are sleeved together, and external threads are provided on the outer circular surfaces of two ends of the mounting sleeve 8; one ends of the two semicircular sleeves are hinged, the other ends of the two semicircular sleeves are fixedly connected through a plurality of fastening components, and an elastic sealing strip is arranged between the mutually contacted end surfaces of the two semicircular sleeves; a sliding ring 9 is slidably mounted on the outer side of the mounting sleeve 8 along the axial direction, and as shown in fig. 6, the sliding ring 9 is composed of two disconnected arc-shaped structures; three supporting mechanisms 12 which are uniformly distributed in the circumferential direction and three pressing mechanisms which are uniformly distributed in the circumferential direction are arranged on the outer side of the mounting sleeve 8.
As shown in fig. 7, the supporting mechanism 12 includes two supporting wheels 19, wherein the two supporting wheels 19 distributed along the axial direction of the mounting sleeve 8 are mounted on the outer circumferential surface of the mounting sleeve 8 through a supporting rod with adjustable length.
The invention reduces the friction resistance of the cable 3 penetrating into the cable penetrating pipe through the rolling friction between the supporting wheel 19 and the cable penetrating pipe.
The invention puts up the guide mechanism 2 inside the cable-through pipe through three support mechanisms 12 which are evenly distributed in the circumferential direction; the invention ensures that the guide mechanisms 2 with different types and sizes are suitable for different cable penetrating pipes through the support rods with adjustable lengths, and meets the cable penetrating pipes with various sizes by replacing the types of the guide mechanisms 2 and adjusting the support rods with adjustable lengths.
As shown in fig. 8, the pressing mechanism includes a hinge shaft 34, a support plate 38, a fixing ring 29, a mounting slide rod 30, an adjusting ring 27, a pressing piece 31, an external thread sleeve 28, an internal thread sleeve 39, a projection 32, and a swing rod 33, wherein the fixing ring 29 is fixedly mounted on the outer circular surface of the mounting sleeve 8, the lower end of the external thread sleeve 28 is rotatably mounted on the fixing ring 29, and the upper end of the external thread sleeve 28 is fixedly mounted with the adjusting ring 27; the internal thread sleeve 39 is installed on the external thread sleeve 28 in a thread fit mode, the installation slide rod 30 is installed on the installation sleeve 8 in a sliding mode, the lower end of the installation slide rod 30 is fixedly provided with the pressing piece 31, and the upper end of the installation slide rod 30 penetrates into the internal thread sleeve 39 to be in sliding fit with the internal thread sleeve 39 through the guide block guide groove; the hinge shaft 34 is fixedly arranged on the upper side of the internal thread sleeve 39 through two support plates 38, the lower end edge of the lug 32 is provided with a cambered surface, the lug 32 is fixedly arranged on the hinge shaft 34, the lower end of the lug 32 is in extrusion fit with the installation slide rod 30, and the distance between the hinge shaft 34 and the cambered surface of the lug 32 is smaller than the distance between the hinge shaft 34 and the lower end straight surface of the lug 32; the upper side of the bump 32 is obliquely provided with a swing rod 33, and the swing rod 33 is fixedly connected with the sliding ring 9 through a connecting piece.
According to the invention, the guide mechanism 2 is fixed on the cable 3 through three pressing mechanisms which are uniformly distributed in the circumferential direction, when the cable 3 is input, the cable 3 drives the guide mechanism 2 to slide along the cable penetrating pipe through the pressing mechanisms, and the resistance of the cable 3 penetrating is reduced through the rolling of the support wheels 19 in the support mechanisms 12 in the guide mechanism 2 and the cable penetrating pipe.
According to the invention, the swing rods 33 are obliquely distributed when the guide mechanism 2 compresses the cable 3; when the pressing force is released, the swing rod 33 can be swung straight only by overcoming a small pulling force, and the sliding rod 30 is installed to release the pressing force on the cable 3.
The sliding ring 9 is connected with the mounting sleeve 8 in the adjacent guide mechanism 2 through a steel wire rope.
As shown in fig. 2, after the cable is conveyed into the cable penetrating pipe, two guiding mechanisms 2 are left at two ends of the cable penetrating pipe, and a first sealing plate 4, a second sealing plate 5, a third sealing plate 6 and a fourth sealing plate 7 which seal two ends of the cable penetrating pipe are arranged at two sides of the cable penetrating pipe through matching with the two guiding mechanisms; the first sealing plate 4, the second sealing plate 5, the third sealing plate 6 and the fourth sealing plate 7 are all composed of two semicircular sealing plates 43, one ends of the two semicircular sealing plates 43 are hinged through a first connecting support lug 42 and a second connecting support lug 45, and the other ends of the two semicircular sealing plates 43 are fixedly connected through a fastening part; an elastic sealing strip is arranged on the contact surface of the two semicircular sealing plates 43 which are mutually connected; (ii) a The sealing plate is mounted on the mounting sleeve 8 by screw-fitting.
According to the invention, after a cable 3 penetrates through a cable penetrating pipe, the cable penetrating pipe is mounted at two ends of the cable penetrating pipe under the action of thread matching with mounting sleeves 8 in two guide mechanisms 2 reserved at two ends in the cable penetrating pipe through a first sealing plate 4, a second sealing plate 5, a third sealing plate 6 and a fourth sealing plate 7, so that the two ends of the cable penetrating pipe are sealed.
As shown in fig. 4 and 5, the fastening component fixedly connected to the other ends of the two semicircular sleeves of the mounting sleeve 8 is a first tightening screw 10, a plurality of first nesting holes are formed in the end surface of one of the two semicircular sleeves, a plurality of first stepped nesting blocks 13 are fixedly mounted on the end surface of the other semicircular sleeve, the first nesting holes are in one-to-one corresponding nesting fit with the first nesting blocks 13, and the first nesting holes are fixedly connected to the first nesting blocks 13 through the first tightening screw 10.
The two semicircular sleeves of the mounting sleeve 8 are combined into a finished sleeve through the matching of the designed first nesting block 13 and the first nesting hole, and are fixed through the first tightening screw 10; the sealing strip is arranged at the joint of the two semicircular sleeves, so that the sealing effect is ensured.
As shown in fig. 7, the length-adjustable support rod includes a telescopic screw 20, a fixed sleeve 22, and an adjusting threaded sleeve 21, wherein the lower end of the fixed sleeve 22 is fixedly mounted on the outer circumferential surface of the mounting sleeve 8, the adjusting threaded sleeve 21 is rotatably mounted on the outer circumferential surface of the upper end of the fixed sleeve 22, the lower end of the telescopic screw 20 is slidably mounted in the fixed sleeve 22, and the telescopic screw 20 is in internal-external thread fit connection with the adjusting threaded sleeve 21; the supporting wheel 19 is fixedly installed at the upper end of the telescopic screw 20.
According to the invention, scales are marked on the telescopic screw rod 20, so that the lengths of the three support mechanisms 12 are kept consistent after adjustment, and the installation stability of the guide mechanism 2 is ensured.
As shown in fig. 5, three guide sliding grooves 17 are uniformly circumferentially installed on the outer circumferential surface of the installation sleeve 8, three guide sliding blocks 36 are installed on the inner circumferential surface of the sliding ring 9, and the sliding ring 9 is installed on the outer side of the installation sleeve 8 through the sliding fit of the guide sliding blocks 36 and the guide sliding grooves 17.
As shown in fig. 5, three sliding holes 15 for three mounting sliding rods 30 to pass through are formed on the outer circumferential surface of the mounting sleeve 8.
As shown in fig. 8, the connecting member between the sliding ring 9 and the swing link 33 includes a guide sleeve 23, a connecting plate 24, a swing plate 25, a guide support 26, and a connecting rod 35, wherein one end of the connecting rod 35 is fixedly mounted on the sliding ring 9, the guide sleeve 23 is fixedly mounted on the outer circumferential surface of the mounting sleeve 8 through the guide support 26, the connecting plate 24 is slidably mounted on the guide sleeve 23, and one end of the connecting plate 24 is fixed on the connecting rod 35; the other end of the connecting plate 24 is hinged with a swinging plate 25, and the swinging plate 25 is hinged with a swinging rod 33.
As shown in fig. 5, one end of the mounting sleeve 8 is provided with three hook grooves 16 for connecting the steel wire ropes connecting the front and rear guide mechanisms 2; as shown in fig. 6, the sliding ring 9 is provided with three hook grooves 18, one end of each of the three hook plates 37 is hinged to the inner side of the sliding ring 9, and the other end of each of the three hook plates 37 is in one-to-one corresponding fit with the three hook grooves 18.
In the invention, when the guide mechanisms 2 are installed, the sliding rings 9 and the installation sleeve 8 in the front and the rear guide mechanisms 2 are connected through the steel wire ropes, one ends of the steel wire ropes are tied on the hook plates 37, the other ends of the steel wire ropes are tied in the hook grooves 18 of the installation sleeve 8, when the guide mechanisms 2 are taken out, the sliding rings 9 positioned on the outer sides of the cable penetrating pipes are pulled, so that the sliding rings 9 sequentially pull all the guide mechanisms 2 through the steel wire ropes, the force exerted by the steel wire ropes on the hook plates 37 in the pulling process is positioned on the lower sides of the hinged points of the hook plates 37 on the sliding rings 9, the pulling force of the steel wire ropes provides force for the hook plates 37 to move towards the hook grooves 18, the hook plates 37 cannot be opened, the steel wire ropes are separated, and the pulling-out of the rear guide mechanisms 2 is influenced.
According to the invention, when the guide mechanism 2 is installed, a steel wire rope is installed on the sliding ring 9 and the hook groove 16 on the installation sleeve 8, and the distance between the guide mechanism 2 and the guide mechanism 2 is controlled to ensure that the steel wire rope between two adjacent guide mechanisms 2 is in a loose state, so that the pressing force can be released one by one and then pulled out when the guide mechanism 2 is taken out, the pulling force is smaller than that of the whole pull-out, and meanwhile, the pressing mechanism in the guide mechanism 2 cannot be triggered when a cable is inserted into the cable penetrating pipe.
After the guide mechanism 2 is pulled out, the hook plate 37 can be manually pulled to open the hook plate 37, and the front steel wire rope can be taken down.
As shown in fig. 9 and 10, the fastening member fixedly connected to the other ends of the two semicircular sealing plates 43 of the first sealing plate 4, the second sealing plate 5, the third sealing plate 6 and the fourth sealing plate 7 is a second tightening screw 40, a plurality of second nesting holes are formed in the end surface of one semicircular sealing plate 43 of the two semicircular sealing plates 43 connected to each other, a plurality of step-shaped second nesting blocks 41 are fixedly mounted on the end surface of the other semicircular sealing plate 43, the second nesting holes and the second nesting blocks 41 are in one-to-one nesting fit, and the second nesting holes and the second nesting blocks 41 are fixedly connected by the second tightening screw 40.
The invention combines two semicircular sealing plates 43 of a first sealing plate 4, a second sealing plate 5, a third sealing plate 6 and a fourth sealing plate 7 into a finished annular plate through the matching of a designed second nesting block 41 and a second nesting hole, and the annular plate is fixed through a second tightening screw 40; a sealing strip is arranged at the joint of the two semicircular sealing plates 43, so that the sealing effect is ensured; the combined sealing plate is arranged on the corresponding end surfaces of the two guide wheels left in the cable penetrating pipe in a threaded fit manner, and the two ends of the cable penetrating pipe are sealed; the inner wall surfaces of the two ends of the cable penetrating pipe are provided with annular grooves matched with the sealing plates, and the sealing plates and the contact areas of the cable penetrating pipe and the cable 3 are provided with sealing structures, so that the sealing effect is ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
The implementation mode is as follows: when the device designed by the invention is used, the guide mechanisms 2 are manually installed on the cable 3 one by one, and when the guide mechanisms 2 are installed, the length of the supporting rod with adjustable length is adjusted according to the inner diameter of the cable penetrating pipe and the model of the guide mechanisms 2, so that the supporting wheel 19 is in contact with the inner wall surface of the cable penetrating pipe; during adjustment, the adjusting threaded sleeve 21 is manually rotated, so that the adjusting threaded sleeve 21 drives the telescopic screw 20 to extend or shorten relative to the fixed sleeve 22 under the thread matching effect to adapt to the inner wall surface of the cable penetrating pipe; after the adjustment is completed, the guide mechanism 2 is fixed on the cable 3 through the three pressing mechanisms, and during installation, the adjusting ring 27 is manually adjusted to drive the external thread sleeve 28 to rotate, so that the external thread sleeve 28 is rotationally fixed on the installation sleeve 8 by the fixing ring 29; therefore, the external thread sleeve 28 rotates to drive the internal thread sleeve 39 to slide relative to the mounting sleeve 8 under the thread matching effect, the internal thread sleeve 39 slides to drive the hinge shaft 34 to slide through the support plate 38, the hinge shaft 34 drives the projection 32 to slide, the slide bar 30 is extruded and mounted through the projection 32, the mounting slide bar 30 drives the pressing sheet 31 to be in contact with and extruded by the cable 3, then the straight surface at the lower end of the projection 32 swings to the position in contact with the mounting slide bar 30, the slide bar 30 is extruded and mounted through the projection 32, the mounting slide bar 30 drives the pressing sheet 31 to be tightly pressed on the cable 3, and the fixing of the guide mechanism 2 and the cable 3 is ensured; the steel wire rope is arranged on the sliding ring 9 and the hook groove 16 on the installation sleeve 8, the distance between the guide mechanism 2 and the guide mechanism 2 is controlled to ensure that the steel wire rope between two adjacent guide mechanisms 2 in the front and back is in a loose state, and after the guide mechanisms 2 are fixed, the cable 3 is conveyed into the cable penetrating pipe through the laying mechanism.
After the cable 3 is completely conveyed into the cable penetrating pipe, the sliding ring 9 of one guide mechanism 2 at the outermost side is pulled to enable the sliding ring 9 to slide relative to the mounting sleeve 8, on one hand, the sliding ring 9 slides to pull the sliding ring 9 at the rear side to slide through the corresponding mounting sleeve 8 and the steel wire rope, on the other hand, the sliding ring 9 pulls the swing rod 33 to swing through the pull rope, the swing rod 33 swings to enable the cambered surface of the lug 32 to be in contact with the mounting sliding rod 30, and because the distance between the cambered surface area of the lug 32 and the hinge shaft 34 is smaller than the distance between the straight surface at the lower end of the lug 32 and the hinge shaft 34, the mounting sliding rod 30 moves upwards by a small range at the moment, the pressing distance applied to the cable 3 by the mounting sliding rod 30 through the pressing sheet 31 disappears, and the guide mechanism 2 can be pulled out relative to the cable 3; in the process of pulling out, after a guiding mechanism 2 is pulled out, the hook plate 37 corresponding to the guiding mechanism 2 is pulled out, the steel wire rope is taken away, then the next one is pulled out, before the last one is pulled out, a guiding mechanism 2 is input at the tail end of the cable penetrating pipe, so that two ends of the cable penetrating pipe are respectively provided with one guiding mechanism 2, then a first sealing plate 4, a second sealing plate 5, a third sealing plate 6 and a fourth sealing plate 7 are installed on the corresponding end faces of the two guiding mechanisms 2, and the two ends of the cable penetrating pipe are sealed.
Claims (8)
1. The utility model provides a waterproof leak protection of cable duct is supplementary lays equipment which characterized in that: the cable penetrating device comprises a guide wheel and a cable penetrating pipe, wherein the cable penetrating pipe is placed in a cable trench, and a cable is arranged in the cable penetrating pipe; a guide mechanism is arranged on the cable wire;
the guide mechanism comprises a sliding ring, a mounting sleeve, a pressing mechanism and a supporting mechanism, wherein the mounting sleeve is formed by sleeving two semicircles, and external threads are arranged on the outer circular surfaces of two ends of the mounting sleeve; one ends of the two semicircular sleeves are hinged, the other ends of the two semicircular sleeves are fixedly connected through a plurality of fastening components, and an elastic sealing strip is arranged between the mutually contacted end surfaces of the two semicircular sleeves; the outer side of the mounting sleeve is provided with a sliding ring in a sliding manner along the axis direction, and the sliding ring is composed of two disconnected arc-shaped structures; three supporting mechanisms which are uniformly distributed in the circumferential direction and three pressing mechanisms which are uniformly distributed in the circumferential direction are arranged on the outer side of the mounting sleeve;
the supporting mechanism comprises supporting wheels, wherein the two supporting wheels distributed along the axial direction of the mounting sleeve are mounted on the outer circular surface of the mounting sleeve through a supporting rod with adjustable length;
the pressing mechanism comprises a hinged shaft, a supporting plate, a fixing ring, an installation sliding rod, an adjusting ring, a pressing sheet, an external thread sleeve, an internal thread sleeve, a convex block and a swing rod, wherein the fixing ring is fixedly installed on the outer circular surface of the installation sleeve, the lower end of the external thread sleeve is rotatably installed on the fixing ring, and the upper end of the external thread sleeve is fixedly provided with the adjusting ring; the internal thread sleeve is installed on the external thread sleeve in a thread fit mode, the installation sliding rod is installed on the installation sleeve in a sliding mode, the lower end of the installation sliding rod is fixedly provided with the pressing piece, and the upper end of the installation sliding rod penetrates into the internal thread sleeve to be in sliding fit with the internal thread sleeve through the guide block guide groove; the hinge shaft is fixedly arranged on the upper side of the internal thread sleeve through two support plates, the corner of the lower end of the lug is provided with a cambered surface, the lug is fixedly arranged on the hinge shaft, the lower end of the lug is in extrusion fit with the installation slide rod, and the distance between the hinge shaft and the cambered surface of the lug is smaller than the distance between the hinge shaft and the straight surface of the lower end of the lug; the upper side of the lug is obliquely provided with a swing rod, and the swing rod is fixedly connected with the sliding ring through a connecting piece;
the sliding ring is connected with the mounting sleeve in the adjacent guide mechanism through a steel wire rope;
after the cable is conveyed into the cable penetrating pipe, two guide mechanisms are reserved at two ends of the cable penetrating pipe, and a first sealing plate, a second sealing plate, a third sealing plate and a fourth sealing plate which are used for sealing two ends of the cable penetrating pipe are arranged on two sides of the cable penetrating pipe through matching with the two guide mechanisms; the first sealing plate, the second sealing plate, the third sealing plate and the fourth sealing plate are all composed of two semicircular sealing plates, one ends of the two semicircular sealing plates are hinged through a first connecting support lug and a second connecting support lug, and the other ends of the two semicircular sealing plates are fixedly connected through a fastening part; an elastic sealing strip is arranged on the contact surface of the two semicircular sealing plates which are mutually connected; the sealing plate is installed on the mounting sleeve through threaded fit.
2. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: the fixing part fixedly connected with the other ends of the two semicircular sleeves of the mounting sleeve is a first tightening screw, a plurality of first nesting holes are formed in the end face of one semicircular close sleeve in the two semicircular sleeves, a plurality of step-shaped first nesting blocks are fixedly mounted on the end face of the other semicircular sleeve, the first nesting holes are in one-to-one corresponding nesting fit with the first nesting blocks, and the first nesting holes are fixedly connected with the first nesting blocks through the first tightening screws.
3. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: the length-adjustable support rod comprises a telescopic screw rod, a fixed sleeve and an adjusting threaded sleeve, wherein the lower end of the fixed sleeve is fixedly arranged on the outer circular surface of the mounting sleeve, the adjusting threaded sleeve is rotatably arranged on the outer circular surface of the upper end of the fixed sleeve, the lower end of the telescopic screw rod is slidably arranged in the fixed sleeve, and the telescopic screw rod is in matched connection with the inner thread of the adjusting threaded sleeve; the supporting wheel is fixedly arranged at the upper end of the telescopic screw rod.
4. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: three guide sliding grooves are uniformly arranged on the outer circular surface of the mounting sleeve in the circumferential direction, three guide sliding blocks are arranged on the inner circular surface of the sliding ring, and the sliding ring is arranged on the outer side of the mounting sleeve through the sliding fit of the guide sliding blocks and the guide sliding grooves.
5. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: and three sliding holes for the three mounting sliding rods to penetrate are formed in the outer circular surface of the mounting sleeve.
6. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: the connecting piece between the sliding ring and the swing rod comprises a guide sleeve, a connecting plate, a swing plate, a guide support and a connecting rod, wherein one end of the connecting rod is fixedly arranged on the sliding ring, the guide sleeve is fixedly arranged on the outer circular surface of the mounting sleeve through the guide support, the connecting plate is slidably arranged on the guide sleeve, and one end of the connecting plate is fixed on the connecting rod; the other end of the connecting plate is hinged with a swinging plate, and the swinging plate is hinged with a swinging rod.
7. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: one end of the mounting sleeve is provided with three hook grooves for connecting steel wire ropes for connecting the front guide mechanism and the rear guide mechanism; the slip ring is provided with three hook grooves, one ends of the three hook plates are hinged to the inner side of the slip ring, and the other ends of the three hook plates are matched with the three hook grooves in a one-to-one correspondence mode.
8. The cable trench waterproof and leak-proof auxiliary laying device according to claim 1, wherein: the fastening part of two semi-circular sealing plate other end fixed connection of first closing plate, second closing plate, third closing plate and fourth closing plate is second fastening screw, it has a plurality of second nested holes to open on the terminal surface of one of them semi-circular sealing plate in two semi-circular sealing plates of interconnect, fixed mounting has the nested piece of the second of a plurality of step forms on the terminal surface of another semi-circular sealing plate, the nested cooperation of second nested hole and the nested piece one-to-one of second, and the second nested hole passes through second fastening screw fixed connection with the nested piece of second.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111119712.1A CN113629589A (en) | 2021-09-24 | 2021-09-24 | Waterproof leak protection of cable duct is supplementary to be laid equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111119712.1A CN113629589A (en) | 2021-09-24 | 2021-09-24 | Waterproof leak protection of cable duct is supplementary to be laid equipment |
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| CN202111119712.1A Pending CN113629589A (en) | 2021-09-24 | 2021-09-24 | Waterproof leak protection of cable duct is supplementary to be laid equipment |
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| CN115709938A (en) * | 2022-11-09 | 2023-02-24 | 国网湖北省电力有限公司孝感供电公司 | Electric power construction equipment |
| JP7397142B1 (en) | 2022-09-02 | 2023-12-12 | 東日本電信電話株式会社 | Pipe sealing device |
| CN117766224A (en) * | 2023-12-06 | 2024-03-26 | 江苏优奈特电缆有限公司 | Cable wire threading equipment for cable processing |
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