CN103683120B - Auxiliary drawing head of power cable threading apparatus - Google Patents
Auxiliary drawing head of power cable threading apparatus Download PDFInfo
- Publication number
- CN103683120B CN103683120B CN201310697824.4A CN201310697824A CN103683120B CN 103683120 B CN103683120 B CN 103683120B CN 201310697824 A CN201310697824 A CN 201310697824A CN 103683120 B CN103683120 B CN 103683120B
- Authority
- CN
- China
- Prior art keywords
- conditioning disk
- disk
- roller
- cable
- cleaning disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003750 conditioning effect Effects 0.000 claims description 98
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/081—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling means at cable ends, e.g. pulling eyes or anchors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
Abstract
The invention relates to a threading apparatus, in particular to an auxiliary drawing head of a power cable threading apparatus. In the process of power construction, as sundries exist in a pipeline, the surface of a cable is damaged when the cable is dragged, and construction quality and construction efficiency are affected. The auxiliary drawing head of the power cable threading apparatus comprises a first cleaning disc, a second cleaning disc, a plurality of rollers and a connector, wherein the rollers are arranged on the first cleaning disc and the second cleaning disc respectively; the first cleaning disc and the second cleaning disc are in a disc shape and provided with connector penetrating holes and a plurality of screw rod holes located in the peripheral disc surfaces of the connector penetrating holes; screw rods penetrate through the screw rod holes; the screw rods on the two sides of the first cleaning disc and the second cleaning disc are in threaded connection with nuts so that the first cleaning disc and the second cleaning disc can be connected into a whole; the diameter of the first cleaning disc and the diameter of the second cleaning disc are respectively larger than that of the cable; the rollers protrude out of the peripheries of the first cleaning disc and the second cleaning disc. According to the technical scheme, the sundries are removed when the cable is dragged and are effectively prevented from damaging the surface of the cable, and the working quality is improved.
Description
Technical field
The present invention relates to a kind of threading apparatus.
Background technology
During power construction, because the pipeline of power cable construction belongs to disguised engineering, therefore cable laying personnel
Construction quality in pipeline and its concrete condition are had no way of learning, this considerably increases the difficulty of construction.And power cable
Pipeline is not the pipeline of sealing, and rainwater can cause brokenly entrainment of some rubbish blocking pipeline and to cable skin in heave
Damage, thus affecting construction quality and efficiency.
Content of the invention
The technical problem to be solved in the present invention and the technical assignment proposing are prior art to be improved and is improved,
There is provided a kind of power cable threading apparatus auxiliary traction head, to reach the purpose improving threading quality.For this reason, the present invention take following
Technical scheme.
A kind of power cable threading apparatus auxiliary traction head it is characterised in that：Put down including the first conditioning disk and the first conditioning disk
Row setting the second conditioning disk, the multiple rollers on the first conditioning disk and the second conditioning disk and be used for connection cable and traction
The connector of line, the first described conditioning disk and the second conditioning disk are in the form of annular discs, and the first conditioning disk, the second conditioning disk are equipped with
Connector perforation and the multiple screw holes being located in the card of connector perforation periphery, wear screw rod in screw hole, the first conditioning disk
Both sides and the second conditioning disk both sides screw rod on threaded coupling nut, the first conditioning disk, the second conditioning disk are connected into one
The diameter with diameter greater than cable of body, the first conditioning disk and the second conditioning disk；Described roller externally protrude out in the first conditioning disk, second
The periphery of conditioning disk.In threading, one end of connector connects draught line, other end connection cable, the first conditioning disk, second clear
Reason disk to reach, makes the debris in pipeline move forward in the lump under draught line pulling, removes the debris in pipeline, and because first is clear
Reason disk and the second conditioning disk with diameter greater than cable, effectively prevent debris from cable skin is caused with breakage, improve work quality.The
Roller is set, during draught line pulls connector, the first conditioning disk and second is cleared up on one conditioning disk and the second conditioning disk
Disk is moved in tube wall by roller, decreases resistance, makes pulling more laborsaving.
As improving further and supplementing to technique scheme, present invention additionally comprises following additional technical feature.
Described connector includes cable connectors positioned at head, connects the traction wire connections of draught line；Described
Cable connectors with diameter greater than connector penetration hole diameter, during tractive, cable connectors and the second conditioning disk offset.
Described cable connectors head is provided with horizontal " u "-shaped hook, cable connectors afterbody and traction wire connections phase
Even.
It is detachable connection between described traction wire connections and cable connectors.Convenient assembling each other
It is threaded connection between described traction wire connections and cable connectors.
Described traction wire connections and cable connectors are metalwork, described traction wire connections and draught line it
Between interference fit, one end of being connected with cable connectors of traction wire connections is provided with the shaft shoulder, and the step surface of the shaft shoulder can be clear with second
The medial surface of reason disk offsets.When draught line moves forward, cable connectors are offseted with the lateral surface of the second conditioning disk, in rear shifting,
The shaft shoulder of traction wire connections is offseted with the medial surface of the second conditioning disk, no matter how moving of draught line, cable all can drive
The corresponding motion of connector, improves the reliability of its work, it is to avoid generation situations such as disengaging.
Described roller radially equiangularly arranged on the first conditioning disk and the second conditioning disk.
Described roller is ball bearing.
The roller groove of a plurality of circumferential openings opened up on described the first conditioning disk, the second conditioning disk, described roller groove spoke
Penetrate that shape is equiangularly arranged, the card of roller groove both sides is provided with leg, leg is provided with rotating shaft；Rotating shaft is relative with roller groove, turns
Overcoat roller on axle, in roller insertion roller groove.
Described the first conditioning disk, the second conditioning disk are provided with four rolling, described leg be located at the first conditioning disk, the
In the outside card of two conditioning disks.
It is provided with elastic component between described roller and conditioning disk and so that roller is moved radially and stretch in cleaning outside roller to change
The size of disk；The roller groove of a plurality of circumferential openings is opened up on conditioning disk, described roller groove is radial equiangularly arranged, roller groove
The conditioning disk of both sides is provided with the spring eye of interpolation spring, is used for the mobile chute of grafting roller wheel shaft and is used for limiting outside rotating shaft
The limited block moving, spring is offseted with rotating shaft, and rotating shaft can be offseted with limited block to avoid rotating shaft to depart from mobile chute.Roller can be clear
To change overhanging size, when pipeline narrows or there is roadblock, roller can inside contract for the radial direction movement of reason disk, so that traction
Head can pass through at narrow pipe.
Beneficial effect：First conditioning disk, the second conditioning disk to reach, make debris in pipeline in the lump under draught line pulling
Reach, removes the debris in pipeline, and because the first conditioning disk and the second conditioning disk are with diameter greater than cable, effectively prevents debris
Cable skin is caused with breakage, improves work quality.
Brief description
Fig. 1 is the first structure main structure diagram of the present invention.
Fig. 2 is the first structural upright structural representation of the present invention.
Fig. 3 is second structure main structure diagram of the present invention.
Fig. 4 is second structural upright structural representation of the present invention.
In figure：1- first conditioning disk；2- second conditioning disk；3- screw rod；4- nut；5- cable connectors；6- draught line is even
Fitting；7- draught line；8- roller；9- spring.
Specific embodiment
Below in conjunction with Figure of description, technical scheme is described in further detail.
Embodiment one：As shown in Figure 1, 2, the present invention includes that the first conditioning disk 1 is be arranged in parallel with the first conditioning disk 1
Two conditioning disks 2, multiple rollers 8 on the first conditioning disk 1 and the second conditioning disk 2 and for connection cable and draught line 7
Connector, the first conditioning disk 1 and the second conditioning disk 2 are in the form of annular discs, and the first conditioning disk 1, the second conditioning disk 2 are equipped with connector
Perforation and be located at multiple screw holes that connector is bored a hole in periphery card, wears screw rod 3 in screw hole, and the two of the first conditioning disk 1
Threaded coupling nut 4 on the screw rod 3 of side and the second conditioning disk 2 both sides, the first conditioning disk 1, the second conditioning disk 2 are connected into one
Body, the diameter with diameter greater than cable of the first conditioning disk 1 and the second conditioning disk 2；It is clear that roller 8 externally protrudes out in the first conditioning disk 1, second
The periphery of reason disk 2.Wherein connector includes cable connectors 5 positioned at head, connects the traction wire connections 6 of draught line 7；Electricity
Cable connector 5 with diameter greater than connector penetration hole diameter, during tractive, cable connectors 5 and the second conditioning disk 2 offset.Roller 8 is in
Radial equiangularly arranged 2 on the first conditioning disk 1 and the second conditioning disk.Roller 8 is bearing or bearing and the combining of outer chartered steamer,
Because pipeline is narrow, for reducing volume, roller 8 is ball bearing in the present embodiment.
The roller groove of a plurality of circumferential openings is opened up on the first conditioning disk 1, the second conditioning disk 2, roller groove is radial angularly
Arrangement, the card of roller groove both sides is provided with leg, leg is provided with rotating shaft；Rotating shaft is relative with roller groove, overcoat rolling in rotating shaft
Wheel 8, in roller 8 insertion roller groove.First conditioning disk 1, the second conditioning disk 2 are provided with four rolling 8, and leg is located at the first cleaning
In disk 1, the outside card of the second conditioning disk 2.
For improving the efficiency of assembling, the flexibility using, cable connectors 5 head is provided with horizontal " u "-shaped hook, and cable is even
Fitting 5 afterbody is connected with traction wire connections 6.It is detachable connection between traction wire connections 6 and cable connectors 5.Lead
It is threaded connection between lead connecting pieces 6 and cable connectors 5.Traction wire connections 6 and cable connectors 5 are metal
Part, interference fit between traction wire connections 6 and draught line 7, one end that traction wire connections 6 are connected with cable connectors 5 sets
There is the shaft shoulder, the step surface of the shaft shoulder can be offseted with the medial surface of the second conditioning disk 2.
Embodiment two：
As shown in Figure 3,4, mutually exist together with embodiment one and repeat no more, difference is：In order to be able to pass through narrow pipe
Place, reduces because debris, splitting wearing of the pipeline mutation impact cable that the reasons such as pipe cause, described roller 8 and conditioning disk it
Between be provided with elastic component and so that roller 8 is moved radially to change the size stretching in conditioning disk outside roller 8；A plurality of week is opened up on conditioning disk
To the roller groove of opening, described roller groove is radial equiangularly arranged, and the conditioning disk of roller groove both sides is provided with interpolation spring 9
Spring eye, for grafting roller wheel shaft mobile chute and for limit outside rotating shaft move limited block, spring 9 and rotating shaft phase
Support, rotating shaft can be offseted with limited block to avoid rotating shaft to depart from mobile chute.
A kind of power cable threading apparatus auxiliary traction head shown in figure 1 above -4 is the specific embodiment of the present invention,
Embody substantive distinguishing features of the present invention and progress, shape can be carried out to it according to actual use needs under the enlightenment of the present invention
The equivalent modifications of the aspects such as shape, structure, all in the row of the protection domain of this programme.
Claims (6)
1. a kind of power cable threading apparatus auxiliary traction head it is characterised in that：Including the first conditioning disk（1）, and the first conditioning disk
（1）The second conditioning disk be arrangeding in parallel（2）, located at the first conditioning disk（1）With the second conditioning disk（2）On multiple rollers（8）And
For connection cable and draught line（7）Connector, described the first conditioning disk（1）With the second conditioning disk（2）In the form of annular discs, the
One conditioning disk（1）, the second conditioning disk（2）On be equipped with connector perforation and be located at multiple spiral shells that connector is bored a hole in periphery card
Rod aperture, wears screw rod in screw hole（3）, the first conditioning disk（1）Both sides and the second conditioning disk（2）The screw rod of both sides（3）Upper spiral shell
Line attaching nut（4）, by the first conditioning disk（1）, the second conditioning disk（2）Link into an integrated entity, the first conditioning disk（1）And second is clear
Reason disk（2）The diameter with diameter greater than cable；Described roller（8）Externally protrude out in the first conditioning disk（1）, the second conditioning disk（2）'s
Periphery；Described connector includes the cable connectors positioned at head（5）, connect draught line（7）Traction wire connections（6）；
Described cable connectors（5）With diameter greater than connector penetration hole diameter, cable connectors during tractive（5）With the second conditioning disk
（2）Offset；Described cable connectors（5）Head is provided with horizontal " u "-shaped hook, cable connectors（5）Afterbody is with draught line even
Fitting（6）It is connected；Described traction wire connections（6）With cable connectors（5）Between be detachable connection；Described traction
Wire connections（6）And cable connectors（5）It is metalwork, described traction wire connections（6）With draught line（7）Between interference
Cooperation, draws wire connections（6）With cable connectors（5）Connected one end is provided with the shaft shoulder, and the step surface of the shaft shoulder can be clear with second
Reason disk（2）Medial surface offset.
2. a kind of power cable threading apparatus auxiliary traction head according to claim 1 it is characterised in that：Described roller
（8）Radially equiangularly arranged in the first conditioning disk（1）On the second conditioning disk（2）.
3. a kind of power cable threading apparatus auxiliary traction head according to claim 1 it is characterised in that：Described roller
（8）For ball bearing.
4. a kind of power cable threading apparatus auxiliary traction head according to Claims 2 or 3 it is characterised in that：Described
One conditioning disk（1）, the second conditioning disk（2）On open up the roller groove of a plurality of circumferential openings, described roller groove is radial angularly
Arrangement, the card of roller groove both sides is provided with leg, leg is provided with rotating shaft；Rotating shaft is relative with roller groove, overcoat rolling in rotating shaft
Wheel（8）, roller（8）In insertion roller groove.
5. a kind of power cable threading apparatus auxiliary traction head according to claim 4 it is characterised in that：Described first is clear
Reason disk（1）, the second conditioning disk（2）It is provided with four rolling（8）, described leg is positioned at the first conditioning disk（1）, the second conditioning disk
（2）Outside card on.
6. a kind of power cable threading apparatus auxiliary traction head according to claim 1 it is characterised in that：Described roller
（8）Being provided with elastic component and conditioning disk between makes roller（8）Can move radially to change roller（8）Stretch in outward the size of conditioning disk；
The roller groove of a plurality of circumferential openings is opened up on conditioning disk, described roller groove is radial equiangularly arranged, roller groove both sides clear
Reason disk is provided with interpolation spring（9）Spring eye, for grafting roller wheel shaft mobile chute and for limit outside rotating shaft move
Limited block, spring（9）Offset with rotating shaft, rotating shaft can be offseted with limited block to avoid rotating shaft to depart from mobile chute.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697824.4A CN103683120B (en) | 2013-12-18 | 2013-12-18 | Auxiliary drawing head of power cable threading apparatus |
| GB1523119.4A GB2531449B (en) | 2013-12-18 | 2014-10-15 | Auxiliary drawing head of a power cable threader |
| PCT/CN2014/088648 WO2015090105A1 (en) | 2013-12-18 | 2014-10-15 | Auxiliary drawing head of power cable threading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697824.4A CN103683120B (en) | 2013-12-18 | 2013-12-18 | Auxiliary drawing head of power cable threading apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103683120A CN103683120A (en) | 2014-03-26 |
| CN103683120B true CN103683120B (en) | 2017-02-15 |
Family
ID=50319810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310697824.4A Active CN103683120B (en) | 2013-12-18 | 2013-12-18 | Auxiliary drawing head of power cable threading apparatus |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103683120B (en) |
| GB (1) | GB2531449B (en) |
| WO (1) | WO2015090105A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683120B (en) * | 2013-12-18 | 2017-02-15 | 国家电网公司 | Auxiliary drawing head of power cable threading apparatus |
| CN104752847B (en) * | 2015-04-03 | 2017-05-03 | 国家电网公司 | Three-core crosslinked cable prefabricated traction wire clamp technology |
| CN106099771B (en) * | 2016-07-11 | 2018-04-24 | 国网辽宁省电力有限公司盘锦供电公司 | Cable guide device |
| CN106058741B (en) * | 2016-07-27 | 2017-09-12 | 国网山东省电力公司昌乐县供电公司 | Cable pipe draws cavity clearing device |
| CN110459988B (en) * | 2018-05-08 | 2021-08-10 | 郑州宇通重工有限公司 | Pipeline moving and supporting device and supporting wheel thereof |
| CN109176403B (en) * | 2018-09-06 | 2020-11-10 | 西安西电高压套管有限公司 | Sleeve assembling and centering device |
| CN113321054B (en) * | 2021-06-01 | 2023-03-14 | 国网山东省电力公司金乡县供电公司 | Power supply construction is with supplementary pay-off |
| CN113471883B (en) * | 2021-08-19 | 2022-12-23 | 广东电网有限责任公司 | Cable duct haulage rope threading device |
| CN113872143B (en) * | 2021-10-27 | 2023-01-03 | 华电重工机械有限公司 | Joint assembly of cable for wind power tower cylinder |
| CN114289422B (en) * | 2021-12-10 | 2022-11-22 | 河南职业技术学院 | Industrial electric automation equipment and working system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666393A (en) * | 2002-07-01 | 2005-09-07 | 普卢姆塔茨有限公司 | Snake for installing a cable in a conduit |
| CN102954314A (en) * | 2012-11-21 | 2013-03-06 | 北京石油化工学院 | Pipeline robot dragging mechanism |
| CN103227435A (en) * | 2013-05-19 | 2013-07-31 | 陈少梅 | Long-casing-pipe automatic line threading device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4740810Y1 (en) * | 1969-11-14 | 1972-12-11 | ||
| GB0108780D0 (en) * | 2001-04-07 | 2001-05-30 | Corning Cable Systems Ltd | Cable laying and apparatus therefor |
| JP4740810B2 (en) * | 2006-08-04 | 2011-08-03 | 株式会社カンドー | Cleaning device and cleaning method in incoming line |
| CN102825038B (en) * | 2012-08-07 | 2015-04-29 | 国家电网公司 | Dredging device and dredging method for cable channel |
| CN203225483U (en) * | 2013-05-19 | 2013-10-02 | 陈少梅 | Long casing automatic threading device |
| CN203607754U (en) * | 2013-12-18 | 2014-05-21 | 国家电网公司 | Directly-connected auxiliary drawing head of power cable threading apparatus |
| CN203607758U (en) * | 2013-12-18 | 2014-05-21 | 国家电网公司 | Auxiliary drawing head of power cable threading apparatus |
| CN203589604U (en) * | 2013-12-18 | 2014-05-07 | 国家电网公司 | Easily detachable adjustable power cable threading apparatus auxiliary drawing head |
| CN103683120B (en) * | 2013-12-18 | 2017-02-15 | 国家电网公司 | Auxiliary drawing head of power cable threading apparatus |
| CN203607755U (en) * | 2013-12-18 | 2014-05-21 | 国家电网公司 | Easily-detached rolling-type auxiliary drawing head of power cable threading apparatus |
| CN203607756U (en) * | 2013-12-18 | 2014-05-21 | 国家电网公司 | Adjustable auxiliary drawing head of power cable threading apparatus |
| CN203607757U (en) * | 2013-12-18 | 2014-05-21 | 国家电网公司 | Rolling type cylindrical auxiliary drawing head of power cable threading apparatus |
| CN203589602U (en) * | 2013-12-18 | 2014-05-07 | 国家电网公司 | Rolling power cable threader auxiliary drawing head |
-
2013
- 2013-12-18 CN CN201310697824.4A patent/CN103683120B/en active Active
-
2014
- 2014-10-15 GB GB1523119.4A patent/GB2531449B/en active Active
- 2014-10-15 WO PCT/CN2014/088648 patent/WO2015090105A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666393A (en) * | 2002-07-01 | 2005-09-07 | 普卢姆塔茨有限公司 | Snake for installing a cable in a conduit |
| CN102954314A (en) * | 2012-11-21 | 2013-03-06 | 北京石油化工学院 | Pipeline robot dragging mechanism |
| CN103227435A (en) * | 2013-05-19 | 2013-07-31 | 陈少梅 | Long-casing-pipe automatic line threading device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2531449B (en) | 2020-06-03 |
| WO2015090105A1 (en) | 2015-06-25 |
| GB2531449A (en) | 2016-04-20 |
| CN103683120A (en) | 2014-03-26 |
| GB201523119D0 (en) | 2016-02-10 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yadong Inventor after: Qian Jianhang Inventor after: Zhang Linjiang Inventor after: Tong Xin Inventor after: Liu Neng Inventor before: Qian Jianhang Inventor before: Zhang Linjiang Inventor before: Tong Xin Inventor before: Liu Neng |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: QIAN JIANHANG ZHANG LINJIANG TONG XIN LIU NENG TO: ZHANG YADONG QIAN JIANHANG ZHANG LINJIANG TONG XIN LIU NENG |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |