CN220323598U - Pipeline front shaper for optical cable air blowing - Google Patents
Pipeline front shaper for optical cable air blowing Download PDFInfo
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- CN220323598U CN220323598U CN202321847277.9U CN202321847277U CN220323598U CN 220323598 U CN220323598 U CN 220323598U CN 202321847277 U CN202321847277 U CN 202321847277U CN 220323598 U CN220323598 U CN 220323598U
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- optical cable
- air flow
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- 238000007664 blowing Methods 0.000 title claims abstract description 50
- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000008439 repair process Effects 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000007493 shaping process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000006698 induction Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008263 repair mechanism Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a pipeline front shaper for optical cable air blowing, which comprises an air sealing piston, a central shaft which is coaxial with the air sealing piston and fixedly connected with the air sealing piston, a plurality of repairing blocks which are annularly and uniformly distributed outside the central shaft, and a driving assembly for driving the repairing blocks to expand outwards in the radial direction; the center shaft is positioned in the front side direction of the air seal piston. The utility model provides a pipeline front shaper for optical cable air blowing, which aims to solve the problems of blocked optical cable air blowing laying construction or damaged pipelines and the like caused by pipeline deformation in the prior art, and achieve the purposes of repairing deformed pipelines, reducing construction hidden danger and improving operation efficiency.
Description
Technical Field
The utility model relates to the field of optical cable air blowing, in particular to a pipeline front shaper for optical cable air blowing.
Background
And (3) air-blowing the optical cable to lay, namely blowing the optical cable into a pre-buried silicon core tube by adopting a high-pressure air flow blowing mode. The cable blowing machine blows high-pressure and high-speed compressed air into the plastic silicon core tube, the high-pressure air flow pushes the air seal piston, and the air seal piston provides tension for the optical cable, so that the penetrated optical cable rapidly passes through the pipeline in a suspended state along with the air flow to finish the required laying.
For the cable blowing work of highway construction, the silicon core pipe distance is longer, blows the cable machine to need to carry out 1000-2000 meters and blows the cable operation once, receives the influence of external factors such as engineering construction, and the silicon core pipe of burying underground can appear local deformation phenomenon, leads to: (1) the air seal piston carrying the optical fiber cannot normally pass through; (2) The gas seal piston is forced to pass through along the axial extrusion, so that the silicon core tube is easy to break, and the gas seal piston has great hidden trouble for long-term protection of the optical fiber. In the prior art, the operation of digging out the silicon core pipe from the deformation area of the silicon core pipe, cutting and reconnecting is generally adopted to overcome the problem, the workload is extremely large, the process is complicated, and the operation efficiency of the air-blowing laying of the expressway optical cable is greatly influenced.
Disclosure of Invention
The utility model provides a pipeline front shaper for optical cable air blowing, which aims to solve the problems of blocked optical cable air blowing laying construction or damaged pipelines and the like caused by pipeline deformation in the prior art, and achieve the purposes of repairing deformed pipelines, reducing construction hidden danger and improving operation efficiency.
The utility model is realized by the following technical scheme:
the pipeline front shaper for optical cable air blowing comprises an air sealing piston, a central shaft which is coaxial with the air sealing piston and fixedly connected with the air sealing piston, a plurality of repairing blocks which are annularly and uniformly distributed outside the central shaft, and a driving assembly for driving the repairing blocks to expand outwards in the radial direction; the center shaft is positioned in the front side direction of the air seal piston.
Aiming at the problems of blocked cable air-blowing laying construction or damaged pipeline and the like caused by pipeline deformation in the prior art, the utility model provides a pipeline pre-shaper for optical cable air-blowing.
The front and rear sides in the present application refer to the forward direction (i.e., the air blowing direction) of the device in the duct and the reverse direction.
Further, the driving assembly comprises a plurality of piston cylinders positioned outside the central shaft, driving pistons positioned in the piston cylinders and piston rods fixedly connected with the driving pistons, and the piston rods are in one-to-one correspondence and fixedly connected with the repairing blocks; a fluid passage is also included in communication with the piston cylinder.
According to the scheme, the radial expansion of each repairing block is driven through the piston, a power source of the piston can be realized by adopting fluid, and high-pressure fluid is introduced into the piston cylinder, so that the piston is pushed to drive the piston to move radially outwards, and the repairing blocks can be driven to synchronously move through the piston rod.
Further, the fluid channel comprises a first air flow channel formed in the end face of the rear side of the air seal piston and a second air flow channel located in the central shaft, the first air flow channel is communicated with the second air flow channel, and the radial inner sides of all piston cylinders are communicated with the second air flow channel.
According to the scheme, compressed air laid by air blowing is utilized to drive the repairing blocks to move radially, and after passing through the first air flow channel and the second air flow channel, the compressed air enters each piston cylinder to push the driving pistons to move radially outwards, so that each repairing block is driven to expand radially outwards. The scheme fully utilizes the self-contained air source of the air-blowing laying construction as a shaping and repairing power source, does not need to additionally configure a power source and power equipment, can effectively reduce the construction cost and difficulty, is more suitable for the small-size requirement of the pipeline adopted by the air-blowing laying of the optical cable, and ensures the engineering operability.
Further, a valve is arranged in the first airflow channel and/or the second airflow channel.
When the pipeline front shaper normally advances, the valve is closed, so that compressed air cannot enter each piston cylinder, and the pipeline front shaper can be ensured to normally advance under the pushing of air flow; when the shaper reaches the position needing to be repaired and the driving assembly needs to work, the valve is controlled to be opened.
Further, a plurality of first air flow channels are annularly and uniformly distributed on the end face of the rear side of the air seal piston, and all the air seal pistons are communicated with the second air flow channels; all first air flow channels surround the formed annular shape and are coaxial with the air sealing piston.
The first air flow channels which are distributed in a ring shape can form a plurality of air inlet holes, and the air inlet holes are coaxial with the air seal piston and are uniformly distributed in a ring shape, so that the stress stability of the whole air seal piston can be ensured when the air flow enters, and the skew of the air seal piston is avoided.
Further, the device also comprises a positioning mechanism for positioning the pipeline front shaper.
In the scheme, before the pipeline front shaper works, the pipeline front shaper is positioned in the pipeline by the positioning mechanism so as to avoid position deviation caused by blowing of air flow. The positioning manner of the positioning mechanism is not limited herein, and any positioning manner in the pipeline that can be realized by a person skilled in the art according to the prior art can be applied to the present application.
Preferably, the second air flow channel is independently communicated with each piston cylinder, and valves are independently arranged on communication paths of the second air flow channel and any piston cylinder.
In the preferred scheme, the piezoelectric sensing devices and the repairing blocks can be made to correspond to each other, for example, one repairing block corresponds to N piezoelectric sensing devices, and when any one or more of the N piezoelectric sensing devices generate piezoelectric effect, the corresponding valve is controlled to be opened, so that the corresponding repairing block is started.
Further, an elastic member is connected between the repair block and the central shaft, and the elastic member is used for providing a radial inward pulling force for the repair block. After the restoration is finished, each restoration block can be reset inwards in the radial direction through the elastic piece, so that the restoration blocks are prevented from interfering with the subsequent continuous progress.
Further, the gas seal piston further comprises an optical fiber connector arranged on the end face of the rear side of the gas seal piston.
This scheme can carry out the operation of once blowing alone before the optical cable blowing lays, carries out unified restoration plastic treatment to appointed pipeline, also accessible fiber connector carries the optical cable together to get into the pipeline, realizes restoration and blowing lays through once blowing operation is synchronous.
Furthermore, the repair block is arc-shaped, so that the repair block is convenient to match with a pipeline to be repaired.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the utility model is used for the pipeline front shaper of the optical cable air blowing, solves the problems of the prior art that the optical cable air blowing laying construction is blocked or the pipeline is damaged due to the deformation of the pipeline, can repair the deformed pipeline, reduces the hidden trouble of construction and improves the operation efficiency.
2. The front-mounted pipeline shaper for optical cable air blowing can effectively cope with accident conditions that an air seal piston cannot normally pass due to pipeline deformation, and the shaping and repairing process of the front-mounted pipeline shaper is used for radially expanding and repairing the deformation position of a pipeline, so that the condition that the pipeline is damaged due to forced axial extrusion of the pipeline is avoided, and the long-term protection capability of an internal optical fiber after the front-mounted pipeline shaper is put into use can be remarkably improved.
3. The pipeline front shaper for the optical cable air blowing does not need to dig out a deformed pipeline to perform cutting and butt joint operation, so that the operation efficiency of the expressway optical cable air blowing laying is remarkably improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a cross-sectional view of an embodiment of the present utility model;
fig. 2 is a cross-sectional view of another embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-air seal piston, a 2-induction ring, a 3-piezoelectric induction device, a 4-central shaft, a 5-repairing block, a 6-first air flow channel, a 7-second air flow channel, an 8-piston cylinder, a 9-driving piston, a 10-piston rod, an 11-valve, a 12-elastic piece, a 13-connecting rod, a 14-extending shaft, a 15-fixing ring, a 16-limiting ring, a 17-first connecting rod, a 18-second connecting rod, a 19-anchoring piece, a 21-linear driving device, a 22-blind hole, a 23-contact induction device, a 24-guiding head, a 26-elastic pad and a 27-optical fiber connector.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1:
the pipeline front shaper for optical cable air blowing shown in fig. 1 comprises an air sealing piston 1, a central shaft 4 which is coaxial with the air sealing piston 1 and fixedly connected with the air sealing piston, a plurality of repairing blocks 5 which are annularly and uniformly distributed outside the central shaft 4, and a driving assembly for driving the repairing blocks 5 to expand radially outwards; the central shaft 4 is positioned in the front side direction of the gas seal piston 1.
The driving assembly comprises a plurality of piston cylinders 8 positioned outside the central shaft 4, driving pistons 9 positioned in the piston cylinders 8 and piston rods 10 fixedly connected with the driving pistons 9, wherein the piston rods 10 are in one-to-one correspondence and fixedly connected with the repairing blocks 5; and a fluid channel communicating with the piston cylinder 8.
The fluid channel comprises a first air flow channel 6 formed in the end face of the rear side of the air seal piston 1 and a second air flow channel 7 located in the central shaft 4, the first air flow channel 6 is communicated with the second air flow channel 7, and the radial inner sides of all piston cylinders 8 are communicated with the second air flow channel 7.
A valve 11 is arranged in the first air flow channel 6 and/or the second air flow channel 7.
An elastic member 12 is connected between the repair block 5 and the central shaft 4, and the elastic member 12 is used for providing a radial inward pulling force to the repair block 5.
Preferably, a plurality of first air flow channels 6 are annularly and uniformly distributed on the end face of the rear side of the air seal piston 1, and all the air seal pistons 1 are communicated with the second air flow channels 7; all the first air flow channels 6 surround the formed ring shape and are coaxial with the air seal piston 1.
Preferably, the repairing block 5 is arc-shaped, and the arc is matched with the pipeline to be shaped.
Preferably, the air seal piston further comprises an optical fiber connector 27 arranged on the rear end face of the air seal piston 1.
In this embodiment, a single air-blowing operation may be performed before the optical cable is air-blown, so that the specified pipeline is subjected to uniform repair and shaping treatment, or the optical fiber connector 27 carries the optical cable into the pipeline together, and the repair and air-blowing operation are synchronously implemented through a single air-blowing operation.
When the embodiment singly performs one-time air blowing operation, the controller can be arranged at any position inside the device; when the optical fiber carrying cable enters the pipeline together, the controller can be arranged in the device, and can be arranged at the inlet of the pipeline at the upstream end, and the optical fiber in the optical fiber carrying cable can be used as a signal transmission medium.
In one or more preferred embodiments, the second air flow channel 7 is independently communicated with each piston cylinder 8, and the valve 11 is independently arranged on the communication path between the second air flow channel 7 and any piston cylinder 8.
Example 2:
on the basis of the embodiment 1, as shown in fig. 2, the pipeline front shaper for optical cable air blowing comprises an induction ring 2 positioned at the front side of an air sealing piston 1 and a positioning mechanism positioned at the front side of the induction ring 2; a plurality of piezoelectric sensing devices 3 which are uniformly distributed in a ring shape are arranged on the front side surface of the sensing ring 2;
the positioning mechanism in the embodiment comprises an extension shaft 14 in sliding connection with the central shaft 4, a fixed ring 15 fixedly sleeved on the extension shaft 14 and a limiting ring 16 slidingly sleeved on the extension shaft 14, wherein the fixed ring 15 is positioned in the front side direction of the limiting ring 16; a plurality of first connecting rods 17 which are uniformly distributed in an annular mode are hinged to the fixed ring 15, a plurality of second connecting rods 18 which are uniformly distributed in an annular mode are hinged to the limiting ring 16, the second connecting rods 18 are in one-to-one correspondence with the first connecting rods 17, the corresponding first connecting rods 17 and second connecting rods 18 are hinged to the same anchoring piece 19, and a plurality of clamping teeth which are used for preventing movement in the front side direction are arranged on the radial outer side wall of the anchoring piece 19; a linear driving device 21 is also connected between the corresponding first connecting rod 17 and the second connecting rod 18, and the driving direction of the linear driving device 21 is parallel to the axis of the extension shaft 14. Wherein the extension shaft 14 is arranged coaxially with the central shaft 4.
The front end surface of the central shaft 4 is provided with a blind hole 22 matched with the extension shaft 14, one end of the extension shaft 14 is inserted into the blind hole 22 in a sliding way, and the limiting ring 16 cannot enter the blind hole 22; the front end surface of the central shaft 4 is also provided with a plurality of contact sensing devices 23, the contact sensing devices 23 are used for sensing the limiting rings 16, and the contact sensing devices 23, the valve 11 and the linear driving device 21 are all in signal connection with a controller.
In this embodiment, the connection between the first air flow channel 6 and the second air flow channel 7, the connection between the driving piston 9 and the inner wall of the piston cylinder 8, and the location where the piston rod 10 passes through the piston cylinder 8 are all provided with seals.
Preferably, the valve 11 is an electrically controlled valve.
Preferably, the induction ring also comprises a plurality of connecting rods 13 fixedly connected to the front end part of the central shaft 4, the induction ring 2 is fixedly sleeved at the outer ends of all the connecting rods 13, and the induction ring 2 is of a split structure. In this embodiment, the number of the connecting rods 13 is four, and the induction ring 2 is correspondingly divided into four lobes.
Preferably, the front end of the extension shaft 14 is provided with a guide head 24.
In a more preferred embodiment, the bottom of blind bore 22 is provided with a resilient pad 26 that cushions the sliding movement of extension shaft 14 relative to central shaft 4.
The using method of the embodiment comprises the following steps:
s1, inserting a self-blowing cable end of a shaping repair device into a pipeline to be repaired;
s2, supplying air into the pipeline to be repaired, and blowing the shaping repair device to enable the shaping repair device to advance in the pipeline to be repaired;
s3, the controller monitors all the piezoelectric sensing devices 3 in real time, and when any one or more piezoelectric sensing devices 3 generate abrupt current, the sensing ring 2 is judged to encounter the deformation position in the pipeline to be repaired, and air supply is stopped;
s4, the controller controls the positioning mechanism to work, and the shaping repair device is positioned at the current position;
s5, the controller controls the repair mechanism to work, so that the repair mechanism radially expands outwards at the deformation position, and the deformation position is shaped and repaired.
Wherein:
in step S4, the controller controls the positioning mechanism to work, and the specific method for positioning the plastic repair device at the current position includes:
s401, shortening the linear driving device 21 to a set length, and driving the limiting ring 16 to slide forwards until the anchoring piece 19 is pressed on the inner wall of the pipeline;
s402, air is supplied into the pipeline to be repaired again until the contact sensing device 23 senses the limiting ring 16 again, at the moment, the extension shaft 14 is just positioned at the bottom of the blind hole 22 or is in contact with the elastic pad 26, and at the moment, the repairing mechanism reaches the inside of the deformation position of the pipeline.
The specific method for shaping and repairing the deformed position in the step S5 comprises the following steps:
s403, after the contact sensing device 23 senses the limit ring 16 again in the step S402, the valve 11 is controlled to be opened immediately;
s404, compressed air enters the second air flow channel 7 from the first air flow channel 6, enters each piston cylinder 8 through the second air flow channel 7, pushes each driving piston 9 to move radially outwards, and enables each repairing block 5 to move radially outwards under the drive of the piston rod 10, so that the pipeline is subjected to shaping and repairing operations;
s405, after the shaping repair operation is completed, the upstream end is decompressed, and each repair block 5 is contracted and reset inwards in the radial direction under the action of the elastic piece 12;
s406, the linear driving device 21 is lengthened to a set length again, the valve 11 is closed, the whole plastic repairing device is reset to the state shown in fig. 1, and then air can be supplied again, so that the plastic repairing device can continue to advance until the deformation point of the next pipeline is met.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, the term "coupled" as used herein may be directly coupled or indirectly coupled via other components, unless otherwise indicated.
Claims (10)
1. The pipeline front shaper for optical cable air blowing is characterized by comprising an air sealing piston (1), a central shaft (4) which is coaxial with the air sealing piston (1) and fixedly connected with the air sealing piston, a plurality of repairing blocks (5) which are annularly and uniformly distributed outside the central shaft (4), and a driving assembly for driving the repairing blocks (5) to expand radially outwards; the central shaft (4) is positioned in the front side direction of the air seal piston (1).
2. The pipe pre-shaper for optical cable air blowing according to claim 1, wherein the driving assembly comprises a plurality of piston cylinders (8) positioned outside a central shaft (4), driving pistons (9) positioned in the piston cylinders (8), and piston rods (10) fixedly connected with the driving pistons (9), wherein the piston rods (10) are in one-to-one correspondence with and fixedly connected with the repairing blocks (5); also comprises a fluid channel communicated with the piston cylinder (8).
3. The pipe pre-shaper for optical cable air blowing according to claim 2, wherein the fluid channel comprises a first air flow channel (6) formed on the rear end surface of the air seal piston (1), and a second air flow channel (7) located inside the central shaft (4), the first air flow channel (6) is communicated with the second air flow channel (7), and the radial inner sides of all piston cylinders (8) are communicated with the second air flow channel (7).
4. A pipe pre-shaper for optical cable air blowing according to claim 3, characterized in that a valve (11) is arranged in the first air flow channel (6) and/or the second air flow channel (7).
5. A pipe pre-shaper for optical cable air blowing according to claim 3, wherein a plurality of first air flow channels (6) are annularly and uniformly distributed on the rear end surface of the air seal piston (1), and all the air seal pistons (1) are communicated with the second air flow channels (7); all first air flow channels (6) surround the formed ring and are coaxial with the air sealing piston (1).
6. A pipe pre-shaper for fiber optic cable air blowing as set forth in claim 3, further comprising a positioning mechanism for positioning the pipe pre-shaper.
7. The pipe pre-shaper for optical cable air blowing according to claim 4, wherein the second air flow channel (7) is independently communicated with each piston cylinder (8), and a valve (11) is independently arranged on the communication path of the second air flow channel (7) and any piston cylinder (8).
8. A pipe pre-shaper for optical cable air blowing according to claim 1, characterized in that an elastic member (12) is connected between the restoration block (5) and the central shaft (4), the elastic member (12) being adapted to provide a radially inward pulling force to the restoration block (5).
9. The pipe pre-shaper for optical cable blowing according to claim 1, further comprising an optical fiber connector (27) provided at a rear end face of the gas seal piston (1).
10. The pipe pre-shaper for optical cable air blowing according to claim 1, wherein the repair block (5) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847277.9U CN220323598U (en) | 2023-07-14 | 2023-07-14 | Pipeline front shaper for optical cable air blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847277.9U CN220323598U (en) | 2023-07-14 | 2023-07-14 | Pipeline front shaper for optical cable air blowing |
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| Publication Number | Publication Date |
|---|---|
| CN220323598U true CN220323598U (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847277.9U Active CN220323598U (en) | 2023-07-14 | 2023-07-14 | Pipeline front shaper for optical cable air blowing |
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| Country | Link |
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| CN (1) | CN220323598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118244439A (en) * | 2024-05-28 | 2024-06-25 | 常州星杭金网络通信有限公司 | Communication optical cable laying device and laying method thereof |
-
2023
- 2023-07-14 CN CN202321847277.9U patent/CN220323598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118244439A (en) * | 2024-05-28 | 2024-06-25 | 常州星杭金网络通信有限公司 | Communication optical cable laying device and laying method thereof |
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