CN105649128A - Automatic excavation, laying, filling and leveling device of underground cables - Google Patents
Automatic excavation, laying, filling and leveling device of underground cables Download PDFInfo
- Publication number
- CN105649128A CN105649128A CN201610162830.3A CN201610162830A CN105649128A CN 105649128 A CN105649128 A CN 105649128A CN 201610162830 A CN201610162830 A CN 201610162830A CN 105649128 A CN105649128 A CN 105649128A
- Authority
- CN
- China
- Prior art keywords
- cable
- hydraulic
- excavation
- top board
- shell fragment
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
- E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
- E02F5/109—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using rotating digging elements
-
- 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
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1265—Machines the cutting element rotating about the wire or cable
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/12—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with equipment for back-filling trenches or ditches
-
- 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
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/1253—Machines the cutting element not rotating about the wire or cable making a transverse cut
- H02G1/1258—Machines the cutting element not rotating about the wire or cable making a transverse cut not using wire or cable-clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Electric Cable Installation (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses an automatic excavation, laying, filling and leveling device of underground cables, and belongs to the field of power communication. The device comprises a driving wheel, a speed reducer, a motor, a cable wheel, a cable, a limiting tension hoop, a hydraulic excavation wheel disc driven shaft, an excavation elastic piece, an excavation elastic piece stud, a hydraulic excavation wheel, a hub, an oil pipe, a hydraulic pump, a piston rod, a washer, a wedge, an upper pressing plate, a side pressing plate, a torsion spring, a leveling upper pressing plate, a leveling side pressing plate and a cable guider, and is provided with a power mechanism, a hydraulic excavation wheel disc mechanism, a cable discharge mechanism and a laying, filling and leveling mechanism. The device realizes an automatic excavation, laying, filling and leveling effect of machinery.
Description
Technical field
The present invention relates to a kind of buried cable automatic mining and lay backfill flattening device, specifically apply drivewheel, reductor, motor, hydraulic excavating wheel disc driven shaft, hydraulic excavating is taken turns, and PLC device forms. Belong to field of power communication.
Background technology
Along with economic develops rapidly, the paces of China's urban construction are also increasingly faster, and electricity need load quickly increases, and power supply reliability proposes increasingly higher requirement. Meanwhile, urban planning and construction and the appearance of the city are attractive in appearance, also receiving the concern of society gradually, urban construction now all adopts cable run to enter ground engineering, in view of the above problems, need kinds of artificial and equipment each operation separately performed, expend substantial amounts of manpower and materials, simultaneously under the separately performed efficiency of each operation, expend the substantial amounts of time, waste time and energy, enter this cable automatic mining of ground engineering design hence for urban construction cable run and lay backfill flattening device.
Summary of the invention
For above-mentioned deficiency, the invention provides a kind of buried cable automatic mining and lay backfill flattening device.
The present invention is achieved by the following technical solutions: a kind of buried cable automatic mining lays backfill flattening device, is by drivewheel, reductor, motor, cable is taken turns, cable, spacing tensioning hoop, hydraulic excavating wheel disc driven shaft, excavating shell fragment, excavate shell fragment stud, hydraulic excavating is taken turns, wheel hub, oil pipe, hydraulic pump, piston rod, pad, voussoir, top board, side guide, torsionspring, smooth top board, smooth side guide, cable guiding device composition. It is characterized in that:
(1) design dynamic mechanism, specifically include that drivewheel, reductor, motor.
(2) design has hydraulic excavating wheel disc mechanism, specifically includes that hydraulic excavating wheel disc driven shaft, excavates shell fragment, excavates shell fragment stud, and hydraulic excavating is taken turns, wheel hub, oil pipe, hydraulic pump, piston rod, pad, voussoir.
(3) design has cable outlet mechanism, specifically includes that cable is taken turns, cable, spacing tensioning hoop.
(4) design has laying backfill flattening mechanism, specifically includes that top board, side guide, leaf spring, smooth top board, smooth side guide, cable guiding device.
Having the beneficial effect that of this invention the arrangement achieves the effect that automatic mining laying backfill is smooth, has gathered several functions, has utilized an equipment to complete all process steps. Improve efficiency, reduce the labor intensity of workman, easy to use, time saving and energy saving, reduce energy resource consumption.Replace with equipment artificial completely, ensured construction quality, ensured the safety of operation people.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the present invention.
Fig. 1 is present configuration schematic cross-sectional view;
Fig. 2 is hydraulic excavating wheel disc three dimensional structure schematic diagram of the present invention;
Partial sectional view when Fig. 3 is hydraulic excavating sheave contact earth's surface of the present invention;
Fig. 4 is that hydraulic excavating wheel disc of the present invention inserts partial sectional view during earth's surface;
Fig. 5 is that hydraulic excavating wheel disc of the present invention separates current political situation portion, earth's surface sectional view;
Fig. 6 is that the present invention lays flattening device three dimensional structure schematic diagram;
Fig. 7 is that the present invention lays flattening device side view;
Fig. 8 is that the present invention lays flattening device top view.
In figure, 1, drivewheel, 2, reductor, 3, motor, 4, cable wheel, 5, cable, 6, spacing tensioning hoop, 7, hydraulic excavating wheel disc driven shaft, 8, shell fragment is excavated, 9, excavate shell fragment stud, 10, hydraulic excavating wheel, 11, wheel hub, 12, oil pipe, 13, hydraulic pump, 14, piston rod, 15, pad, 16, voussoir, 17, top board, 18, side guide, 19, torsionspring, 20, smooth top board, 21, smooth side guide, 22, cable guiding device.
Detailed description of the invention
A kind of buried cable automatic mining lays backfill flattening device, is by drivewheel 1, reductor 2, motor 3, cable wheel 4, cable 5, spacing tensioning hoop 6, hydraulic excavating wheel disc driven shaft 7, excavate shell fragment 8, excavate shell fragment stud 9, hydraulic excavating wheel 10, wheel hub 11, oil pipe 12, hydraulic pump 13, piston rod 14, pad 15, voussoir 16, top board 17, side guide 18, torsionspring 19, smooth top board 20, smooth side guide 21, cable guiding device 22 forms, it is characterized in that: hydraulic excavating is taken turns 10 surrounding lateral symmetry positions and is evenly distributed with fixing hole, the shell fragment 8 that excavates that two panels is made up of elastomeric material is fixed on the fixing hole around hydraulic excavating wheel 10 by two excavation shell fragment studs 9 symmetrically, hydraulic excavating wheel 10 is connected on hydraulic excavating wheel disc driven shaft 7 by wheel hub 11, drivewheel 1, reductor 2, motor 3 provides power to hydraulic pressure digging wheel dish driven shaft 7, hydraulic pump 13 connects piston rod 14 by oil pipe 12, pad 15 can move up and down in piston rod 14, pad 15 is connected below voussoir 16, during operation, hydraulic excavating wheel disc driven shaft 7 rotates under actuating unit drives, excavate shell fragment 8 a pair that hydraulic excavating wheel 10 connects, when this is controlled hydraulic pump 13 action by PLC when shell fragment 8 forwards minimum point to excavating and make oil pipe 12 to piston rod 14 fuel feeding and promote pad 15, voussoir 16 moves down, and under the squeezing of voussoir 16, two panels excavates shell fragment 8 separately, it is achieved excavation of breaking ground, and when excavation shell fragment 8 is left earth's surface by this, hydraulic oil passes through oil pipe 12 rework solution press pump 13, pad 15, voussoir 16 moves, excavates shell fragment 8 and restore to the original state under self resilience, to treat that next round is excavated. cable outlet mechanism is located on rear side of hydraulic excavating wheel disc mechanism, when completing to excavate, plant equipment advances to the irrigation canals and ditches place dug, PLC controls motor 3 action, simultaneously cable wheel 4 rotates for 1 time at drivewheel and realizes cable 5 outlet, and cable 5 limits line position and direction by spacing tensioning hoop 6 and realizes tensioning and prevent kinking. machine automatization is laid and is fixed top board 17 on the upside of backfill flattening mechanism front end, side guide 18 is fixed in both sides, fixing top board 17, the height of side guide 18 and width are deposited in the soil of both sides after excavating irrigation canals and ditches more than hydraulic excavating wheel disc mechanism, top board 17 rear end is fixed with torsionspring 19 and its rear end is connected to smooth top board 20, smooth top board 20 remains stationary under the power effect of torsionspring 19, smooth top board 20 can rotate around the axle of torsionspring 19 under external force, side guide 18 rear end of both sides is respectively fixed with smooth side guide 21, cable guiding device 22 is fixed on two smooth side guides 21 and hits exactly upper position, cable 5 end passes from cable guiding device 22 centre bore.Earth is drawn in by side guide 18, top board 17 when equipment moves ahead, the smooth side guide of mould molding principle 21, smooth top board 20 is utilized to be extruded by earth smooth, control cable guiding device 22 by PLC and ensure that cable 5 is imbedded underground while smooth by earth extruding, ensure the accurate of embedment position simultaneously, when running into relatively ratchel, smooth top board 20 can around bullet on the axle of torsionspring 19, afterwards can under torsionspring 19 elastic force return, it is prevented that equipment damages.
For the ordinary skill in the art, according to the teachings of the present invention, when without departing from principles of the invention with spirit, change, amendment, replacement and modification that embodiment is carried out still fall within protection scope of the present invention.
Claims (1)
1. buried cable automatic mining lays a backfill flattening device, is by drivewheel, reductor, motor, cable is taken turns, cable, spacing tensioning hoop, hydraulic excavating wheel disc driven shaft, excavating shell fragment, excavate shell fragment stud, hydraulic excavating is taken turns, wheel hub, oil pipe, hydraulic pump, piston rod, pad, voussoir, top board, side guide, torsionspring, smooth top board, smooth side guide, cable guiding device composition. It is characterized in that:
(1) design dynamic mechanism, specifically include that drivewheel, reductor, motor.
(2) design has hydraulic excavating wheel disc mechanism, specifically includes that hydraulic excavating wheel disc driven shaft, excavates shell fragment, excavates shell fragment stud, and hydraulic excavating is taken turns, wheel hub, oil pipe, hydraulic pump, piston rod, pad, voussoir.
(3) design has cable outlet mechanism, specifically includes that cable is taken turns, cable, spacing tensioning hoop.
(4) design has laying backfill flattening mechanism, specifically includes that top board, side guide, leaf spring, smooth top board, smooth side guide, cable guiding device.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610162830.3A CN105649128A (en) | 2016-03-21 | 2016-03-21 | Automatic excavation, laying, filling and leveling device of underground cables |
| CN201611112357.4A CN106522299B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill levelling method |
| CN201611112368.2A CN106532581B (en) | 2016-03-21 | 2016-12-06 | A kind of power cable cutting method |
| CN201611106467.XA CN106522298B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610162830.3A CN105649128A (en) | 2016-03-21 | 2016-03-21 | Automatic excavation, laying, filling and leveling device of underground cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649128A true CN105649128A (en) | 2016-06-08 |
Family
ID=56494904
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610162830.3A Pending CN105649128A (en) | 2016-03-21 | 2016-03-21 | Automatic excavation, laying, filling and leveling device of underground cables |
| CN201611106467.XA Active CN106522298B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill flattening device |
| CN201611112368.2A Expired - Fee Related CN106532581B (en) | 2016-03-21 | 2016-12-06 | A kind of power cable cutting method |
| CN201611112357.4A Active CN106522299B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill levelling method |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611106467.XA Active CN106522298B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill flattening device |
| CN201611112368.2A Expired - Fee Related CN106532581B (en) | 2016-03-21 | 2016-12-06 | A kind of power cable cutting method |
| CN201611112357.4A Active CN106522299B (en) | 2016-03-21 | 2016-12-06 | A kind of buried cable automatic mining laying backfill levelling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105649128A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842844A (en) * | 2018-05-25 | 2018-11-20 | 北京兴天通电讯科技有限公司 | Earthing pole buries vehicle |
| CN109764181A (en) * | 2019-03-25 | 2019-05-17 | 徐州工程学院 | A kind of automatic ditching and laying combined working machine of pipeline |
| CN110932186A (en) * | 2019-12-20 | 2020-03-27 | 海南电网有限责任公司琼海供电局 | Cable self-walking laying device |
| CN113300284A (en) * | 2021-06-17 | 2021-08-24 | 广东电网有限责任公司 | Stripping mechanism and wire stripping device |
| CN113622476A (en) * | 2021-08-05 | 2021-11-09 | 赵永新 | Electrician is convenient for electric power construction equipment of laying |
| CN113690800A (en) * | 2021-08-30 | 2021-11-23 | 华东交通大学 | Vehicle body for laying underground cable |
| CN116240943A (en) * | 2023-03-31 | 2023-06-09 | 江苏永盛电力器材设备有限公司 | Power transmission line cable laying device |
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| CN107470513A (en) * | 2017-09-22 | 2017-12-15 | 天津德芃科技集团有限公司 | A kind of electric wire cutting equipment of low abrasion |
| CN108877038B (en) * | 2018-08-31 | 2024-05-24 | 深兰机器人产业发展(河南)有限公司 | Sell robot and storehouse mechanism |
| CN109546583B (en) * | 2018-12-03 | 2020-04-21 | 姬劲嵩 | Automatic cable stripping device and using method thereof |
| CN110445058B (en) * | 2019-07-10 | 2020-09-11 | 中国电建集团华东勘测设计研究院有限公司 | Automatic ditching and laying method and device for underground cable with tail rudder |
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| CN110912029B (en) * | 2019-12-13 | 2020-10-27 | 东阳宗添电子科技有限公司 | Buried cable laying device |
| CN111159791B (en) * | 2019-12-27 | 2022-04-08 | 东华大学 | Data information theftproof electronic information processor |
| CN111549841B (en) * | 2020-06-10 | 2021-07-27 | 广州市思童电子科技有限公司 | Underground cable ditching and laying machine |
| CN111659829A (en) * | 2020-07-13 | 2020-09-15 | 黄健 | Cutting device for cable production and using method thereof |
| CN114427365A (en) * | 2020-10-29 | 2022-05-03 | 中国石油化工股份有限公司 | Remote control pipe cutting device and cutting method using cable as transmission carrier |
| CN113463708A (en) * | 2021-07-06 | 2021-10-01 | 安徽森通建设工程有限公司 | Automatic landfill device based on pipe laying construction is used |
| CN114464370A (en) * | 2022-01-18 | 2022-05-10 | 哈尔滨理工大学 | Cable insulation outer armor processing device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US952532A (en) * | 1909-07-29 | 1910-03-22 | Waldo A Layman | Alternating-current motor. |
| US3952532A (en) * | 1975-04-23 | 1976-04-27 | Spearman Robert R | Underwater trenching and cable laying apparatus |
| IT1217184B (en) * | 1988-04-22 | 1990-03-14 | Pirelli Cavi Spa | METHOD AND BURIAL DEVICE OF AN ELONGATED ELEMENT |
| FR2751676B1 (en) * | 1996-07-24 | 1998-10-02 | Marais Sa | DEVICE FOR EXCAVATING TRENCHES, AND EXCAVATION EQUIPMENT FOR SCRAP, ASSOCIATED WITH SAID DEVICE |
| CN2911019Y (en) * | 2006-06-08 | 2007-06-13 | 王延保 | Cutting cutter head for ditching machine |
| CN201241350Y (en) * | 2008-03-07 | 2009-05-20 | 魏长贵 | Self-propelled four-wheel drive cable direct-buried trench digger |
| CN201217817Y (en) * | 2008-06-23 | 2009-04-08 | 郭志忠 | Optical cable pipeline imbedding machine |
| US20110010945A1 (en) * | 2009-07-16 | 2011-01-20 | Daryle Delafosse | Cable slitter |
| CN201820996U (en) * | 2010-10-26 | 2011-05-04 | 江苏省电力公司连云港供电公司 | Rotary cutting device |
| CN102995687B (en) * | 2012-01-18 | 2015-12-09 | 聂玉龙 | A kind of high-efficiency buried cable machine |
| CN202997432U (en) * | 2012-12-20 | 2013-06-12 | 宁波电业局 | Automatic cable wire stripping tool |
| CN203383255U (en) * | 2013-07-31 | 2014-01-08 | 内蒙古祥宇通信网络工程有限公司 | Optical fiber burying machine |
| CN104821521A (en) * | 2015-05-20 | 2015-08-05 | 国家电网公司 | Automatic stripper for scrap cable |
-
2016
- 2016-03-21 CN CN201610162830.3A patent/CN105649128A/en active Pending
- 2016-12-06 CN CN201611106467.XA patent/CN106522298B/en active Active
- 2016-12-06 CN CN201611112368.2A patent/CN106532581B/en not_active Expired - Fee Related
- 2016-12-06 CN CN201611112357.4A patent/CN106522299B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842844A (en) * | 2018-05-25 | 2018-11-20 | 北京兴天通电讯科技有限公司 | Earthing pole buries vehicle |
| CN109764181A (en) * | 2019-03-25 | 2019-05-17 | 徐州工程学院 | A kind of automatic ditching and laying combined working machine of pipeline |
| CN110932186A (en) * | 2019-12-20 | 2020-03-27 | 海南电网有限责任公司琼海供电局 | Cable self-walking laying device |
| CN113300284A (en) * | 2021-06-17 | 2021-08-24 | 广东电网有限责任公司 | Stripping mechanism and wire stripping device |
| CN113622476A (en) * | 2021-08-05 | 2021-11-09 | 赵永新 | Electrician is convenient for electric power construction equipment of laying |
| CN113690800A (en) * | 2021-08-30 | 2021-11-23 | 华东交通大学 | Vehicle body for laying underground cable |
| CN113690800B (en) * | 2021-08-30 | 2022-10-14 | 华东交通大学 | Vehicle body for laying underground cable |
| CN116240943A (en) * | 2023-03-31 | 2023-06-09 | 江苏永盛电力器材设备有限公司 | Power transmission line cable laying device |
| CN116240943B (en) * | 2023-03-31 | 2023-09-01 | 江苏永盛电力器材设备有限公司 | Power transmission line cable laying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532581A (en) | 2017-03-22 |
| CN106522298B (en) | 2018-11-16 |
| CN106522299B (en) | 2018-11-27 |
| CN106532581B (en) | 2018-06-19 |
| CN106522299A (en) | 2017-03-22 |
| CN106522298A (en) | 2017-03-22 |
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Application publication date: 20160608 |