CN113968517B - Optical cable blowing device - Google Patents
Optical cable blowing device Download PDFInfo
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- CN113968517B CN113968517B CN202111076833.2A CN202111076833A CN113968517B CN 113968517 B CN113968517 B CN 113968517B CN 202111076833 A CN202111076833 A CN 202111076833A CN 113968517 B CN113968517 B CN 113968517B
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- optical cable
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- plate
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- 230000003287 optical effect Effects 0.000 title claims abstract description 70
- 238000007664 blowing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000005202 decontamination Methods 0.000 claims abstract description 7
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/16—Devices for entraining material by flow of liquids or gases, e.g. air-blast devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/14—Aprons, endless belts, lattices, or like driven elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H61/00—Applications of devices for metering predetermined lengths of running material
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Cleaning In General (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses an optical cable blowing device, which comprises a rack, wherein a decontamination mechanism, a length metering mechanism, a pushing mechanism and a cable head blowing mechanism are sequentially arranged on the rack along the conveying direction of an optical cable; the pushing mechanism comprises an upper conveying assembly and a lower conveying assembly which are symmetrically arranged on the optical cable conveying axis and an adjusting assembly for adjusting the vertical distance between the upper conveying assembly and the lower conveying assembly; the upper and lower conveying components synchronously move and are driven by corresponding rotating sources respectively; the length counting mechanism is fixedly connected to a baffle plate at one side of the lower conveying assembly through a synchronous plate, so that the length counting mechanism is driven by the lower conveying assembly; the push mechanism and the cable blowing port mechanism are coaxial in transmission, easy to block and inconvenient to operate and use in the process of blowing optical cables with different types and specifications by the existing cable blowing device.
Description
Technical Field
The invention relates to the technical field of optical cable conveying equipment, in particular to an optical cable blowing device.
Background
The early optical cable protection pipeline mostly adopts a cement pipe or a PVC plastic pipe, and the optical cable is usually laid in the protection pipeline by adopting a traction method. The cable penetrating distance is short, the cable penetrating speed is low, the optical fiber is easy to damage in the mechanical stretching process and the construction is complex because of the large friction coefficient of the inner wall of the pipeline in the laying process. In order to reduce the friction coefficient of the inner wall of the pipeline in the optical cable laying process, a method of adding a lubricant is generally adopted, namely, liquid lubricant is coated on the inner wall of the pipeline; however, due to the action of gravity, the lubricant cannot be uniformly distributed on the inner wall of the pipeline and can be taken away by the optical cable dried at the front section, so that the length and the speed of the cable penetrating are directly limited by the lubrication effect.
Currently, a silicon core tube made of high-density polyethylene is mostly adopted as an optical cable channel, and silica gel is synchronously extruded into the inner wall of a high-density polyethylene pipeline in the manufacturing process to form a solid permanent lubrication layer, wherein the lubrication layer has the same physical and mechanical properties as the high-density polyethylene pipeline, and is not deformed even under the pressing of a heavy object, so that the friction coefficient of the inner wall of the silicon core tube is reduced to below 0.15 and 60% -70% smaller than that of a common plastic pipe, and the friction coefficient between the optical cable and the pipeline is greatly reduced, thereby the length of one-time cable penetration is increased.
Traction-based cabling has been essentially replaced by air-blown cable applications since the use of silicon core tubes as cable protection channels. Air-blown optical cable application is to blow the optical cable into a pre-buried silicon core tube by adopting a mode of combining high-pressure air flow blowing with electric pushing. The air-blowing optical cable conveyor blows high-pressure and high-speed compressed air into the silicon core tube, the high-pressure air flow pushes the air sealing piston, so that the air sealing piston connected to the end part of the optical cable forms a settable uniform pulling force on the optical cable, meanwhile, the hydraulic crawler conveyor mechanism clamps the optical cable to convey forwards to form a conveying force, and the pulling force and the conveying force are combined to enable the penetrated optical cable to quickly pass through the pipeline in a suspended state along with the high-speed air flow.
The cable blowing device is designed based on the air-blown optical cable laying method, however, the prior cable blowing device has the following defects:
1. the traction mechanism of the cable blowing device is difficult to accurately center, and the optical cable axis and the axis of the cable blowing pipe orifice are difficult to be always positioned on the same axis, so that optical cable conveying is blocked, conveying efficiency is low, or the optical cable is damaged; 2. the cable blowing head is complex in structure, inconvenient in closing and opening operations, time-consuming and labor-consuming, and limited in application range to cables; 3. in the optical cable conveying process, foreign matters cannot be cleaned on the surface of the optical cable, so that the inside of the pipe is blocked, and the later cleaning difficulty is high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an optical cable blowing device, which solves the technical problems that the existing cable blowing device is difficult to realize coaxial transmission of a pushing mechanism and a cable blowing port mechanism in the blowing process of optical cables with different types and specifications, is easy to block and is inconvenient to operate and use.
In order to solve the technical problems, the invention adopts the following technical scheme:
the optical cable blowing device comprises a rack, wherein a decontamination mechanism, a length metering mechanism, a pushing mechanism and a cable blowing head mechanism are sequentially arranged on the rack along the optical cable conveying direction; the pushing mechanism comprises an upper conveying assembly and a lower conveying assembly which are symmetrically arranged on the optical cable conveying axis and an adjusting assembly for adjusting the vertical distance between the upper conveying assembly and the lower conveying assembly; the upper and lower conveying components synchronously move and are respectively driven by respective rotation sources (such as an air pressure motor, a motor and the like); the length metering mechanism is fixedly connected to one side baffle plate of the lower conveying assembly through a synchronous plate so as to enable the length metering mechanism to follow the lower conveying assembly
Preferably, the dirt removing mechanism comprises baffle plates and dirt scraping rings which are vertically arranged at two ends of the length measuring mechanism, the baffle plates comprise an upper baffle plate fixed on the frame and a lower baffle plate movably hinged to the bottom of the upper baffle plate, the contact end surfaces of the upper baffle plate and the lower baffle plate are respectively provided with a groove, the grooves are mutually matched to form a through hole, and the dirt scraping rings are fixed in the through holes.
Preferably, the pushing mechanism further comprises a support fixedly connected to the frame, two vertical sliding rails/rods are arranged on the support, and sliding seats matched with the vertical sliding rails/rods are arranged on one side baffle plates of the upper conveying assembly and the lower conveying assembly so that the upper conveying assembly and the lower conveying assembly are in sliding fit with the vertical sliding rails/rods; an upper bridge plate and a lower bridge plate are correspondingly arranged between sliding seats on the upper conveying assembly and the lower conveying assembly, nut rotating seats opposite to the screw threads are respectively fixed on the upper bridge plate and the lower bridge plate, and the adjusting assembly comprises a screw rod and a rotating handle, wherein the screw rod is rotatably arranged in the nut rotating seats, and the rotating handle is fixed at the top of the screw rod.
Preferably, the length counting mechanism comprises a bracket, a roller, a rolling shaft, a deep groove ball bearing and an encoder; one side of the bracket is fixedly connected with the deep groove ball bearing, and the other side of the bracket is fixedly connected with the encoder; the roller is arranged in the roller in a penetrating way, one end of the roller is connected to the deep groove ball bearing, and the other end of the roller is fixedly connected with the rotating shaft of the encoder through a connecting hole, so that the roller and the rotating shaft of the encoder synchronously rotate.
Preferably, the dirt scraping ring is made of high molecular polyethylene.
Preferably, the cable-blowing head mechanism comprises a semi-cylindrical upper cover and a semi-cylindrical lower cover which are concentric and have equal inner diameters; the lower cover is fixed on the frame, the upper cover is movably hinged with the lower cover through one side of the corresponding compression assembly, the other side of the upper cover is buckled on the lower cover, and the upper cover and the lower cover are mutually matched to form a closed cavity consistent with the optical cable conveying axial direction.
Preferably, the pressing assembly comprises an arc-shaped pressing plate fixed on the upper cover and a screwing handle; screw holes matched with each other are formed in the tops of the upper cover and the arc-shaped pressing plate, and the screwing handle penetrates through the screw holes to fixedly connect the upper cover with the arc-shaped pressing plate.
Compared with the prior art, the invention has the main beneficial technical effects that:
1. according to the invention, through synchronous relative or opposite movement of the upper and lower conveying assemblies, under the condition that the cable blowing head is fixed, the axial lead of the cable inlet of the cable blowing head is overlapped with the axial lead of the cable, the cable diameter does not have any influence on the cable blowing head fixedly arranged at the front part, and the applicable wire diameter range is wide, so that the working adaptability and efficiency of the cable blowing device are greatly improved.
2. According to the invention, through the design of the arc-shaped pressing plate structure, the high-pressure and low-pressure area closing and opening of the cable blowing head of the equipment can be simply, conveniently and rapidly realized by screwing the handle.
3. The length counting mechanism is driven by the lower conveying assembly, the roller is kept tangent to the bottom of the optical cable all the time, and the roller and the rotating shaft of the encoder synchronously rotate, so that the optical cable laying distance is more accurate.
4. According to the invention, the dirt removing mechanism is arranged at the inlet end of the optical cable, and the surface of the optical cable is cleaned through the dirt scraping ring made of high molecular polyethylene.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic diagram of the structure of the present invention.
Fig. 3 is a schematic structural view of a pushing mechanism of the present invention.
Fig. 4 is a schematic view of a partial cross-sectional structure of a length counting mechanism according to the present invention.
In the above figures, 1 is a frame, 2 is a decontamination mechanism, 21 is an upper baffle, 22 is a lower baffle, 23 is a dirt scraping ring, 3 is a length counting mechanism, 31 is a bracket, 32 is a roller, 33 is a roller, 34 is a deep groove ball bearing, 35 is an encoder, 4 is an optical cable pushing mechanism, 41 is a support, 42 is a vertical sliding rail, 43 is an upper conveying component, 44 is a lower conveying component, 45 is a sliding seat, 46 is a connecting bridge plate, 47 is a nut rotating seat, 48 is a screw rod, 49 is a rotating handle, 5 is a cable blowing head mechanism, 51 is an upper cover, 52 is a lower cover, 6 is a pressing component, 61 is an arc-shaped pressing plate, 62 is a screwing handle, 63 is a joint block, 7 is a synchronous plate, 71 is a guide bolt, 72 is a compression spring, 8 is an air pressure motor, and 9 is an air source filtering three-piece set.
Detailed Description
The following examples are given to illustrate the invention in detail, but are not intended to limit the scope of the invention in any way.
In the description of the present invention, it should be understood that the directions or positional relationships as referred to by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1: an optical cable pushing mechanism, see fig. 1-2, comprises a support 41, a conveying assembly and an adjusting assembly for adjusting the vertical distance between the conveying assemblies; the transmission assembly comprises an upper transmission assembly 43 and a lower transmission assembly 44 which are arranged by taking an optical cable conveying axis as a center, wherein the upper transmission assembly and the lower transmission assembly adopt (crawler-type chains, both the crawler-type chains are provided with chain tensioners, so that the pushing force of a pushing mechanism is prevented from being influenced due to long-time pulling operation, and even the chains fall off) synchronous belts synchronously rotate and are respectively driven by respective pneumatic motors 8 or motors; two slide rails are vertically arranged on the support, a fixed slide seat 45 matched with the vertical slide rails is arranged on a baffle plate on one side of the upper and lower conveying components, a bridge connecting plate 46 is arranged between two adjacent slide seats 45 on the same side plate, two ends of the bridge connecting plate 46 are connected with the slide seats 45 through screw threads through bolt holes, a through hole is formed in the middle part of the bridge connecting plate 46, a nut rotating seat 47 is fixedly arranged in the through hole, and in order to realize that the upper and lower conveying components 43 and 44 move oppositely or relatively at the same time, the rotating directions of the two nut rotating seats 47 arranged on the upper and lower bridge connecting plates 46 are opposite, namely, the nut rotating seat 47 on the upper bridge connecting plate 46 is set to be right-handed, the nut rotating seat 47 on the lower bridge connecting plate 46 is set to be left-handed, or the nut rotating seat 47 on the lower bridge connecting plate 46 is set to be right-handed; the adjusting component comprises a screw rod 48 screwed in the upper and lower nut screwing seats 47 and a rotating handle 49 fixedly arranged at the top of the screw rod, the screw rod 48 is divided into a left-handed section and a right-handed section according to the nut screwing seats 47 and is correspondingly arranged according to the screwing direction of the upper and lower nut screwing seats 47, the dividing line of the left-handed section and the right-handed section on the screw rod 48 is the center of the optical cable transmission axis, and the vertical adjusting distance between the upper and lower transmission components 43 and 44 is 0-40mm. Through two vertical slide rails 42 that set up on the support 41 for upper and lower conveying subassembly 43, 44 can only be in vertical direction upward movement, can not receive the frictional force between optical cable and the conveying (chi) area to lead to the upper and lower conveying subassembly to take place lateral shifting because of carrying the optical cable, cause the asynchronous of optical cable conveying and with blow the cable mouth center unable centering's condition, nut revolves the opposite setting of seat 47 spiral silk, makes upper and lower conveying subassembly 43, 44 can be relative or the opposite direction removal simultaneously, has solved when conveying different models, size optical cable, and the push optical cable axis can't keep on same axis with the axis of blowing the cable mouth import problem, has realized quick, accurate axis centering, has improved the cable efficiency of blowing greatly.
Embodiment 2, referring to fig. 1 to 4, a cable blowing device includes a rack 1, wherein a length metering mechanism 3, a pushing mechanism 4 and a cable blowing head mechanism 5 are sequentially arranged on the rack 1 along a cable conveying direction; the length counting mechanism 3 includes: the device comprises a bracket 31, a roller 33, a roller 32, a deep groove ball bearing 34 and an encoder 35; the baffle plate on one side of the bracket 31 is fixedly connected with the deep groove ball bearing 34, and the baffle plate on the other side is fixedly connected with the encoder 35 through bolts; the roller 32 is arranged between the baffles on the two sides of the bracket 31, the roller 33 penetrates through the roller 32, one end of the roller 33 is arranged in the deep groove ball bearing 34, a threaded hole is formed in the other end of the roller 33, a through hole matched with the threaded hole on the roller 33 is also formed in the rotating shaft of the encoder 35, the roller 33 is fixedly connected with the rotating shaft of the encoder 35 through the threaded hole on the roller 33 and the through hole on the encoder 35 through bolts, and when an optical cable moves on the roller 33, the roller 32 and the encoder 35 synchronously rotate, and the conveying length of the optical cable is accurately measured; the bracket 31 is fixed on a baffle plate at one side of the lower conveying assembly 44 through the synchronizing plate 7, so that the lower conveying assembly 44 and the length counting mechanism 3 are kept synchronous when moving up and down, and the upper surface of the roller 32 is always tangent to the optical cable; four guide bolts 71 are uniformly arranged between the support 31 and the synchronizing plate 7, and compression springs 72 are arranged in the guide bolts 71 in a penetrating manner, so that the optical cable always keeps flexible and tight contact with the rollers 32 during conveying, and the measurement is accurate.
The pushing device is as described in embodiment 1, and in order to avoid damage during the optical cable transmission, the upper and lower conveying assemblies 43 and 44 are rubber synchronous conveying belts. The rubber material elasticity is high, and the rubber synchronous conveyor belt can effectively avoid the damage of the optical cable protective layer, so that the purpose of protecting the optical cable is accurately achieved. Meanwhile, the conveying process has no sliding, and the conveying size is more accurate.
The cable blowing head mechanism 5, see fig. 1 to 4, comprises a lower cover 52 and an upper cover 51 which are concentric and respectively provided with 180-degree semi-cylinders, the lower cover 52 and the upper cover 51 are matched to form a through hole cavity, a rear holding body is respectively inlaid on the inner circles of the cable inlet ends of the lower cover 52 and the upper cover 51 through screws, sealing grooves are formed in the middle positions of the inner circles of the two rear holding bodies, sealing rings are arranged in the sealing grooves, a lower pressing block and an upper rear pressing block are respectively inlaid on the inner circles of the cable outlet ends of the lower cover 52 and the upper cover 51, the upper pressing block is structurally split into an inner pressing block and an outer pressing block, the inner upper pressing block is arranged on the upper cover, and the outer pressing block is arranged on the turnover pressing cover. A sealing groove corresponding to the position of the lower pressing block is arranged on the upper surface of the inner upper pressing block, and a sealing ring is arranged in the sealing groove; the upper plane of the lower cover 52 is provided with a sealing groove, a sealing strip is arranged in the sealing groove, four grooves are formed in the four directions of the lower bottom surface of the lower cover, a lower cover 52 connector is arranged in each groove, and each lower cover 52 connector is fixed on the rack by two screws; the middle position of the top end of the upper cover 51 is provided with a counter bore, a jacking block is arranged in the middle position, a handle bolt contacted with the jacking block is in threaded connection with a stepped hole formed in the top of the arc-shaped pressing plate 61, and the stepped hole is in pressure connection with a screw sleeve. Two ends of the arc-shaped pressing plate 61 are respectively provided with a small shaft hole, one end of the small shaft hole is inserted into the left end of the base by a shaft, the other end of the small shaft hole is provided with a lap joint block 63 inserted into the middle of the arc-shaped plate, and the lap joint block 63 rotates around the axis of the end and can be contacted with a slotted hole of the base to realize clamping. After the engagement is completed, the handle bolt is rotated to apply force to the upper cover 51, and the upper cover 51 and the lower cover 52 are fastened and connected. The right front end of the lower cover 52 is provided with a groove hole, one hole of the connecting plate is sleeved in the middle hole of the turnover gland by a shaft pin, and the other hole of the connecting plate is sleeved in the groove hole of the lower cover 52 by a shaft pin. The upper part of the other end of the overturning gland is fixedly connected with the bearing plate through 4 screws. The right rear end of the lower cover 52 is provided with a groove, a shaft is arranged in the groove hole, a screw hole is arranged in the middle of the shaft, the shaft is connected with a loose joint bolt in a threaded manner, the shaft is sleeved in the hole of the loose joint bolt, and the shaft is sleeved in the small hole of the cam handle at the same time. In order to avoid interference, a groove is formed in the middle of the cam handle, and a movable space is provided for the rotation of the movable bolt.
The optical cable blowing device further comprises a decontamination mechanism 2 arranged at the inlet end of the optical cable, wherein the decontamination mechanism 2 comprises a baffle plate arranged vertically and a decontamination ring 23 arranged on the baffle plate; the baffle comprises an upper baffle vertically fixed on the frame and a lower baffle movably hinged to the bottom of the upper baffle, one end of the lower baffle is movably hinged to the corresponding end of the upper baffle through a shaft pin, the other end of the lower baffle is provided with a bolt knob, and a threaded hole matched with the bolt knob is formed in the corresponding upper baffle, so that the upper baffle and the lower baffle can be quickly opened and closed, and the dirt scraping ring 23 is replaced; and be equipped with the semicircular groove of mutual matching on upper and lower baffle, two semicircular groove butt joints form a circular through-hole, scrape dirty ring 23 and be fixed in the circular through-hole, just scrape the external warp size assorted of dirty ring 23 and carrying optical cable, can change the dirty ring 23 of scraping that corresponds with it according to the size of conveying optical cable external diameter, scrape dirty ring 23 and use the macromolecular polyethylene material, can in time clear away the foreign matter on the optical cable surface to dirty mechanism 2 has the guide effect, prevents that the optical cable from appearing piling up the phenomenon when intraductal transmission is blocked.
The operation and use method of the optical cable blowing device is as follows:
the optical cable to be laid sequentially passes through the dirt removing mechanism, the length counting mechanism, the pushing mechanism and the cable blowing head mechanism, the vertical distance between the upper conveying assembly and the lower conveying assembly is adjusted, the optical cable is clamped, and the air compressor or the compressed air source is utilized to blow air into the cable blowing head mechanism and provide traction force for the pushing mechanism, so that the optical cable can be sent into a pipeline under the combined action of the pushing mechanism and the air blowing device, and meanwhile, the length counting encoder displays the conveying length of the optical cable through the display, so that the optical cable conveying distance is more accurate.
While the invention has been described in detail with reference to the drawings and embodiments, those skilled in the art will understand that various specific parameters may be changed or equivalents may be substituted for related components, structures and materials thereof without departing from the spirit of the invention, so as to form a plurality of specific embodiments, which are common variations of the invention and will not be described in detail herein.
Claims (2)
1. The optical cable blowing device comprises a rack and is characterized in that a decontamination mechanism, a length metering mechanism, a pushing mechanism and a cable blowing head mechanism are sequentially arranged on the rack along the optical cable conveying direction; the pushing mechanism comprises an upper conveying assembly and a lower conveying assembly which are symmetrically arranged on the optical cable conveying axis and an adjusting assembly for adjusting the vertical distance between the upper conveying assembly and the lower conveying assembly; the upper and lower conveying components synchronously move and are driven by corresponding rotating sources respectively; the pushing mechanism further comprises a support fixedly connected to the frame, two vertical sliding rails/rods are arranged on the support, sliding seats matched with the vertical sliding rails/rods are arranged on one side baffle plates of the upper conveying assembly and the lower conveying assembly, and the upper conveying assembly and the lower conveying assembly are in sliding fit with the vertical sliding rails/rods; an upper bridge plate and a lower bridge plate are correspondingly arranged between sliding seats on the upper conveying assembly and the lower conveying assembly, nut rotating seats with opposite threads are respectively fixed on the upper bridge plate and the lower bridge plate, and the adjusting assembly comprises a screw rod which is rotatably arranged in the nut rotating seats and a rotating handle which is fixed at the top of the screw rod;
the length counting mechanism is fixedly connected to a baffle plate at one side of the lower conveying assembly through a synchronous plate, so that the length counting mechanism is driven by the lower conveying assembly;
the length counting mechanism comprises a bracket, a roller, a rolling shaft, a deep groove ball bearing and an encoder; one side of the bracket is fixedly connected with the deep groove ball bearing, and the other side of the bracket is fixedly connected with the encoder; the rolling shaft penetrates through the roller, one end of the rolling shaft is connected with the deep groove ball bearing, and the other end of the rolling shaft is fixedly connected with the rotating shaft of the encoder through a connecting hole so that the roller and the rotating shaft of the encoder synchronously rotate;
a guide bolt is arranged between the bracket and the synchronous plate, and a compression spring is sleeved on the guide bolt, so that the optical cable is always in flexible and tight contact with the roller in the conveying process;
the dirt removing mechanism comprises baffle plates and dirt scraping rings which are vertically arranged at two ends of the length measuring mechanism, the baffle plates comprise an upper baffle plate fixed on the frame and a lower baffle plate movably hinged to the bottom of the upper baffle plate, the contact end surfaces of the upper baffle plate and the lower baffle plate are provided with first grooves, the first grooves are mutually matched to form through holes, and the dirt scraping rings are arranged in the through holes;
the cable blowing head mechanism comprises a semi-cylindrical upper cover and a semi-cylindrical lower cover which are concentric and have equal inner diameters; the lower cover is fixed on the frame, the upper cover is movably hinged with the lower cover through one side of the corresponding compression assembly, the other side of the upper cover is buckled on the lower cover, and the upper cover and the lower cover are mutually matched to form a closed cavity consistent with the optical cable conveying axial direction; the pressing assembly comprises an arc-shaped pressing plate and a handle bolt, wherein the arc-shaped pressing plate is fixed on the upper cover; the inner circles of the cable inlet ends of the lower cover and the upper cover are respectively embedded with a rear holding body, the middle parts of the inner circles of the two rear holding bodies are provided with sealing grooves, and sealing rings are arranged in the sealing grooves; the inner circles of the cable outlet ends of the lower cover and the upper cover are respectively embedded with a lower pressing block and an upper pressing block, and the upper pressing blocks comprise an inner upper pressing block arranged on the upper cover and an outer upper pressing block arranged on the arc-shaped pressing plate; a sealing groove corresponding to the position of the lower pressing block is formed in the inner upper pressing block, and a sealing ring is arranged in the sealing groove; the upper plane of the lower cover is provided with a sealing groove, a sealing strip is arranged in the sealing groove, four corresponding second grooves are formed in the four directions of the lower bottom surface of the lower cover, corresponding lower cover connectors are arranged in the second grooves, and the connectors are fixed on the frame; a counter bore is formed in the middle of the top end of the upper cover, and a top block is arranged in the counter bore; a step hole is formed in the top of the arc-shaped pressing plate, the step Kong Yajie is arranged on a screw sleeve, and a handle bolt in contact with the jacking block is screwed on the screw sleeve; two ends of the arc-shaped pressing plate are respectively provided with a small shaft hole, one end of the small shaft hole is inserted into one end of the base through a shaft, the other end of the small shaft hole is inserted into the middle of the arc-shaped pressing plate through a lap joint block, the lap joint block rotates around the axis of the end, the arc-shaped pressing plate can be contacted with a slotted hole of the base to be clamped, and after the clamping is finished, a handle bolt is rotated to apply force to the upper cover, so that the upper cover is fixedly connected with the lower cover; a groove hole is formed in the right front end of the lower cover, one hole of the connecting plate is sleeved in the middle hole of the arc-shaped pressing plate through a shaft pin, and the other hole of the connecting plate is sleeved in the groove hole of the lower cover through a shaft; the right rear end of the lower cover is provided with a third groove, a first shaft is arranged in the third groove, a screw hole is formed in the middle of the first shaft and is in threaded connection with the movable joint bolt, a second shaft is sleeved in the hole of the movable joint bolt in a penetrating mode, and the second shaft is sleeved in the small hole of the corresponding cam handle at the same time.
2. The fiber optic cable blowing apparatus of claim 1, wherein the dirt scraping ring is made of a polymeric polyethylene material.
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| CN202111076833.2A CN113968517B (en) | 2021-09-14 | 2021-09-14 | Optical cable blowing device |
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| CN202111076833.2A CN113968517B (en) | 2021-09-14 | 2021-09-14 | Optical cable blowing device |
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| CN114906670B (en) * | 2022-07-15 | 2022-10-21 | 江苏海强电缆有限公司 | Cable meter rice coils frame |
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