CN106522298A - Automatic excavating, laying, backfilling and leveling device for underground cables - Google Patents

Automatic excavating, laying, backfilling and leveling device for underground cables Download PDF

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Publication number
CN106522298A
CN106522298A CN201611106467.XA CN201611106467A CN106522298A CN 106522298 A CN106522298 A CN 106522298A CN 201611106467 A CN201611106467 A CN 201611106467A CN 106522298 A CN106522298 A CN 106522298A
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CN
China
Prior art keywords
cable
excavating
wheel
laying
cylinder
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.)
Granted
Application number
CN201611106467.XA
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Chinese (zh)
Other versions
CN106522298B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Link Construction Engineering Co ltd
Original Assignee
Shandong Ding Cnc Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of CN106522298A publication Critical patent/CN106522298A/en
Application granted granted Critical
Publication of CN106522298B publication Critical patent/CN106522298B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10Dredgers 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
    • E02F5/104Dredgers 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
    • E02F5/109Dredgers 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12Methods 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
    • H02G1/1202Methods 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
    • H02G1/1248Machines
    • H02G1/1265Machines the cutting element rotating about the wire or cable
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/12Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with equipment for back-filling trenches or ditches
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12Methods 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
    • H02G1/1202Methods 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
    • H02G1/1248Machines
    • H02G1/1251Machines the cutting element not rotating about the wire or cable
    • H02G1/1253Machines the cutting element not rotating about the wire or cable making a transverse cut
    • H02G1/1258Machines the cutting element not rotating about the wire or cable making a transverse cut not using wire or cable-clamping means

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  • 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 provides an automatic excavating, laying, backfilling and leveling device for underground cables. The automatic excavating, laying, backfilling and leveling device comprises a power mechanism, a cable outlet mechanism and a laying, backfilling and leveling mechanism. The automatic excavating, laying, backfilling and leveling device is characterized in that the power mechanism is connected with an excavating wheel disc mechanism, and the excavating wheel disc mechanism comprises an excavating wheel disc shaft; the excavating wheel disc shaft penetrates through a wheel hub, and the periphery of the wheel hub is connected with an excavating wheel; a set of excavating elastic pieces are arrange on each of the two sides of the excavating wheel, and every two corresponding excavating spring pieces are symmetrically arranged; and an air cylinder pushing mechanism is arranged in the portion, between every two excavating elastic pieces, of the excavating wheel and connected with a wedge block capable of moving up and down. According to the automatic excavating, laying, backfilling and leveling device for the underground cables, multiple functions are integrated, and all working procedures are completed through the device. Efficiency is improved, labor intensity of workers is lowered, using is convenient, time and labor are saved, energy consumption is lowered, manpower is completely replaced by the device, construction quality is guaranteed, and safety of operating personnel is guaranteed.

Description

A kind of buried cable automatic mining laying backfill flattening device
Technical field
The present invention relates to field of power communication, specifically, is related to a kind of buried cable automatic mining laying backfill smooth Device.
Background technology
As economic develops rapidly, the paces of China's urban construction are also increasingly faster, electricity need load rapid growth, Higher and higher requirement is proposed to power supply reliability.At the same time, urban planning and construction and the appearance of the city are attractive in appearance, are also gradually subject to society The concern of meeting, therefore, urban construction now all enters ground engineering using cable run.Cable run enters ground engineering, by power cable Be laid in underground, does not take up an area space of planes, is conducive to the appearance of the city attractive in appearance and life safety;The nature ring such as thunder and lightning, wind and rain, smog, filth Impact of the border to cable is less, and cable power supply reliability is improved.
It is a kind of very important equipment in electric power and communication construction, during cable laying, needs many Planting artificial and equipment separately carries out each operation, needs to complete ditching, cable laying, cable rolling curve, backfill, Land leveling etc., Substantial amounts of manpower and materials are expended, while each operation is separately entered under line efficiency, is taken a substantial amount of time, is wasted time and energy.It is simultaneously existing During manual work that there is something special, cable is excavated and be usually mixed into rubble, hydrops at laying, and the laying quality of cable cannot be protected, and is made It occur frequently that accident during industry, the safety of operation people cannot be protected.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of buried cable automatic mining laying backfill flattening device, realizes The automatic laying of cable.
The present invention is adopted the following technical scheme that and realizes goal of the invention:
A kind of buried cable automatic mining laying backfill flattening device, including actuating unit, cable outlet mechanism and laying Backfill flattening mechanism, is characterized in that:The actuating unit connects digging wheel disc mechanism, and the digging wheel disc mechanism includes digging wheel Dish axle, the digging wheel dish axle pass through the periphery of wheel hub, the wheel hub to connect digging wheel, and the both sides of the digging wheel are provided with one Group excavation shell fragment symmetrical two-by-two, is provided with cylinder pushing mechanism in the digging wheel described in each two between excavation shell fragment, The voussoir that the cylinder pushing mechanism connection can be moved up and down.
Used as the further restriction to the technical program, the actuating unit includes motor, and the motor connects Driving gear is connect, the driving gear connects driven gear by belt, and the driven gear is enclosed within the digging by bearer ring The side of pick wheel dish axle, the outer ring of the bearing are fixedly connected the wheel hub, and the motor is fixed by motor support frame On wheel disc bracing frame, the wheel disc bracing frame is fixed in fixed plate.
Used as the further restriction to the technical program, the cylinder pushing mechanism includes one group of cylinder, and the cylinder is equal Even to be distributed in the digging wheel, the piston rod of the cylinder connects the voussoir, and the piston rod of the cylinder is located at movable chamber Interior, one end of the digging wheel dish axle is fixed on the wheel disc bracing frame, the other end connection touching of the digging wheel dish axle Switch press plate, the side of the excavation shell fragment are provided with the touching switch used cooperatively with the touching switch pressing plate, each institute State touching switch and be all connected with master controller, the master controller connection reset unit, liquid crystal display, push-button unit, cylinder Control electromagnetic valve and power supply, the master controller adopt the pin P4.7 of STC12C5A60S2 controllers, the master controller to connect Connect reset unit, the pin P0.0-P0.7 and P1.0-P1.4 of the master controller connect 12864 liquid crystal displays, the master The pin P1.4-P1.7 of controller connects the push-button unit, and the pin P2.0-P2.5 of the master controller connects described respectively Touching switch, the pin P3.0-P3.5 of the master controller connect the cylinder and control electromagnetic valve.
Used as the further restriction to the technical program, the laying backfill flattening mechanism is by backfilling smooth support connection The fixed plate, the laying backfill flattening mechanism include the top board being connected with the smooth support of the backfill, the top board Both sides connection side guide, the side guide connects smooth side guide, and the top board connects smooth upper pressure by torsionspring Plate, is provided with cable guiding device between two smooth side guides.
Used as the further restriction to the technical program, the cable outlet mechanism includes cable wheel shaft and cable, described Cable wheel shaft is fixed on cable fixed mount, and the spacing tensioning for facilitating the cable to pass through is provided with the cable fixed mount Hoop.
Used as the further restriction to the technical program, the piston rod connects the voussoir by pad.
Compared with prior art, advantages of the present invention and good effect:The present invention has gathered several functions, is set using one It is standby to realize automatic mining, laying cable and backfill finishing operations, efficiency is improved, the labor intensity of workman is reduced, it is easy to use, It is time saving and energy saving, reduce energy resource consumption.Replaced completely manually, having ensured construction quality with equipment, ensured the safety of operation people, adopted The mode combined with touching switch, touching switch pressing plate and controller improves control accuracy.Excavate shell fragment and voussoir coordinates real Now excavate, increased excavation width and depth, it is each alternately to excavate to excavating shell fragment rotation, usage frequency is reduced, digging is slow down Pick shell fragment abrasion, extends service life.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of the part A of Fig. 1 of the present invention.
Fig. 3 is digging wheel disc mechanism three dimensional structure schematic diagram of the present invention.
Fig. 4 is digging wheel disc mechanism contact earth's surface current political situation portion sectional view of the present invention.
Partial sectional view when Fig. 5 is digging wheel disc mechanism insertion earth's surface of the present invention.
Fig. 6 is that digging wheel disc mechanism of the present invention separates earth's surface current political situation portion sectional view.
Fig. 7 is the axonometric chart of another angle of the present invention.
Fig. 8 is the structural representation of present invention laying backfill flattening mechanism.
Fig. 9 is the control principle ore drawing figure of the present invention.
Figure 10 is the circuit theory diagrams of the controller of the present invention.
In figure, 1- driving gears, 2- driven gears, 3- motors, 4- cable wheels, 5- cables, the spacing tensioning hoops of 6-, 7- Digging wheel dish axle, 8- excavate shell fragment, and 9- excavates shell fragment stud, 10- digging wheels, 11- wheel hubs, 12- movable chambers, 13- cylinders, 14- Piston rod, 15- pads, 16- voussoirs, 17- top boards, 18- side guides, 19- torsionsprings, the smooth top boards of 20-, 21- are smooth Side guide, 22- cable guiding devices, 23- fixed plates, 24- motor support frames, 25- wheel disc bracing frames, 26- touching switch pressing plates, 27- touching switch, 28- cable fixed mounts, 29- backfill smooth support, 30- bearings, 31- belts, 32- hydraulic cylinders.
Specific embodiment
The present invention is further described in detail with preferred embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1-Figure 10, the present invention includes actuating unit, cable outlet mechanism and laying backfill flattening mechanism, described dynamic Force mechanisms connect digging wheel disc mechanism, and the digging wheel disc mechanism includes digging wheel dish axle 7, and the digging wheel dish axle 7 is through wheel Hub 11, the periphery connection digging wheel 10 of the wheel hub 11, the both sides of the digging wheel 10 are provided with one group of excavation symmetrical two-by-two Shell fragment 8, is provided with cylinder pushing mechanism in the digging wheel 10 described in each two between excavation shell fragment 8, the cylinder is promoted The voussoir 16 that mechanism's connection can be moved up and down.
The actuating unit includes motor 3, and the connection driving gear 1 of the motor 3, the driving gear 1 lead to Cross the connection driven gear 2 of belt 31, the driven gear 2 by 30 ring set of bearing in the side of the digging wheel dish axle 7, it is described The outer ring of bearing 29 is fixedly connected the wheel hub 11, and motor 3 drives driving gear 1 to rotate, and driving gear 1 passes through belt 31 Driven gear 2 is driven to rotate, driven gear 1 drives wheel hub 11 and digging wheel 10 to rotate, and the motor 3 passes through motor support Frame 24 is fixed on wheel disc bracing frame 25, and the wheel disc bracing frame 25 is fixed in fixed plate 23, and whole device passes through fixed plate 23 are fixed on the actuating units such as vehicle, drive whole device to advance.
The cylinder pushing mechanism includes cylinder 13, and the cylinder is located in the digging wheel 10, the work of the cylinder 13 Stopper rod 14 connects the voussoir 16, and the piston rod 14 of the cylinder 13 is located in movable chamber 12, one end of the digging wheel dish axle 7 It is fixed on the wheel disc bracing frame 2, the other end connection touching switch pressing plate 26 of the digging wheel dish axle 7, the excavation bullet The side of piece 8 is provided with the touching switch 27 used cooperatively with the touching switch pressing plate 26, and each described touching switch 27 is equal Connection master controller, master controller connection reset unit, liquid crystal display, push-button unit, cylinder control electromagnetic valve and Power supply, the master controller adopt STC12C5A60S2 controllers, the pin P4.7 connection reset units of the master controller, institute The pin P0.0-P0.7 and P1.0-P1.4 for stating master controller connects 12864 liquid crystal displays, the pin of the master controller P1.4-P1.7 connects the push-button unit, and the pin P2.0-P2.5 of the master controller connects the touching switch, institute respectively The pin P3.0-P3.5 for stating master controller connects the cylinder control electromagnetic valve.Reset unit, liquid crystal display, button list Unit and cylinder control electromagnetic valve are all to adopt prior art, be will not be described here, and controller controls solenoid valve control by cylinder The working condition of cylinder 13.
The cable outlet mechanism includes cable wheel shaft 4 and cable 5, and the cable wheel shaft 4 is fixed on cable fixed mount 28 On, the spacing tensioning hoop 6 for facilitating the cable 5 to pass through is provided with the cable fixed mount 28.
The laying backfill flattening mechanism connects the fixed plate 23 by backfilling smooth support 29, and the laying backfill is flat Whole mechanism includes backfilling the top board 17 that smooth support 29 is connected with described, and the both sides of the top board 17 connect side guide 18, The side guide 18 connects smooth side guide 21, and the top board 17 connects smooth top board 20 by torsionspring 19, two Cable guiding device 22 is provided between the smooth side guide 21.
The piston rod 14 connects the voussoir 16 by pad 15.
The excavation shell fragment 8 is fixed on the digging wheel 10 by excavating shell fragment stud 9.
Operation principle:10 surrounding both sides symmetric position of digging wheel is evenly distributed with fixing hole, and it is mutually right that two panels excavates shell fragment Claim to be fixed on the fixing hole around digging wheel 10 by two excavation shell fragment studs 9, digging wheel 10 is existed by 11 ring set of wheel hub Digging wheel dish axle 7 and can enclosing is rotated about, and driving gear 1, driven gear 2, motor 3 give wheel hub 11 and digging wheel 10 Power is provided, cylinder 13 connects piston rod 14, and piston rod 14 is moved up and down in movable chamber 12 with mobile gasket 15, below pad 15 Connecting wedge 16, during operation, digging wheel 10 is rotated under actuating unit drive, and a pair connected on digging wheel 10 excavate shell fragment 8 and open Beginning contact earth's surface, insertion earth's surface, the touching switch 27 and touching after this enters earth's surface to excavating shell fragment 8, on the excavation shell fragment 8 Switch press plate 26 is contacted, and master controller receives signal, is controlled this and is worked to excavating 8 corresponding cylinder 13 of shell fragment, the work of cylinder 13 Stopper rod 14 stretches out promotion pad 15 and voussoir 16 is moved down, and excavation shell fragment 8 is elastomeric material, and under the squeezing of voussoir 16, two panels is excavated Shell fragment 8 separates, and realization is broken ground excavations, when this leaves earth's surface to excavating shell fragment 8, the touching switch 27 on the excavation shell fragment 8 with it is tactile Touch switch press plate 26 no longer to contact, master controller receives signal, the piston rod 14 for controlling corresponding cylinder 13 bounces back, pad 15 Move with voussoir 16, excavate shell fragment 8 and restore to the original state under itself resilience, to treat that next round is excavated.Excavate shell fragment 8 and voussoir 16 is matched somebody with somebody Close and realize excavating, increased excavation width and depth, it is each alternately to excavate to excavating 8 rotation of shell fragment, usage frequency is reduced, is slowed down Excavation shell fragment 8 weares and teares, and extends service life.
Cable outlet mechanism is located on rear side of digging wheel disc mechanism, and when completing to excavate, equipment is advanced at the irrigation canals and ditches for having dug, Cable 5 is pulled out from cable wheel 4 and is laid in irrigation canals and ditches, laying backfill flattening mechanism followed by tiles upper soil, and soil is to cable 5 Pressure cable 5 cannot be moved, now, cable wheel 4 just can spinning realize the automatic laying of cable 5, cable 5 is by limit Position tensioning hoop 6 limits line position and direction, realizes that the tensioning of cable 5 prevents kinking.
Top board 17 is fixed with the upside of laying backfill flattening mechanism front end, both sides are fixed with side guide 18, fixed upper pressure Plate 17,18 height of side guide and width are deposited in the soil of both sides after excavating irrigation canals and ditches more than digging wheel disc mechanism;Top board 17 Rear end is fixed with torsionspring 19, and 19 rear end of torsionspring is connected with smooth top board 20, and smooth top board 20 is in torsionspring The lower remains stationary of 19 elastic force effect, smooth top board 20 can surround the axle of torsionspring 19 under external force and rotate, both sides 18 rear end of side guide is respectively fixed with smooth side guide 21, and cable guiding device 22 is fixed on two smooth side guides 21 and hits exactly on the lower Position, cable end piece are passed through from 22 centre bore of cable guiding device.Pass through side guide 18, top board 17 when equipment moves ahead by soil Draw in, soil is extruded into smooth using the smooth side guide 21 of mould molding principle, smooth top board 20, by cable guiding device 22 Ensure that cable 5 is imbedded underground while smooth by soil extruding, while ensure the accurate of embedment position, when running into compared with ratchel When, smooth top board 20 can surround torsionspring 19 axle on bullet, afterwards can under 19 elastic force of torsionspring return, prevent Equipment occurs to damage.

Claims (6)

1. a kind of buried cable automatic mining laying backfill flattening device, including actuating unit, cable outlet mechanism and lay back Flattening mechanism is filled out, be it is characterized in that:The actuating unit connects digging wheel disc mechanism, and the digging wheel disc mechanism includes excavating wheel disc Axle, the digging wheel dish axle pass through the periphery of wheel hub, the wheel hub to connect digging wheel, and the both sides of the digging wheel are provided with one group Excavation shell fragment symmetrical two-by-two, is provided with cylinder pushing mechanism, institute in the digging wheel described in each two between excavation shell fragment State the voussoir that the connection of cylinder pushing mechanism can be moved up and down.
2. buried cable automatic mining laying backfill flattening device according to claim 1, is characterized in that:The engine Structure includes motor motor, and the motor connects driving gear, and the driving gear connects driven by belt Gear, the driven gear are enclosed within the side of the digging wheel dish axle by bearer ring, and the outer ring of the bearing is fixedly connected institute Wheel hub is stated, the motor is fixed on wheel disc bracing frame by motor support frame, and the wheel disc bracing frame is fixed on fixation On plate.
3. buried cable automatic mining laying backfill flattening device according to claim 1, is characterized in that:The cylinder is pushed away Motivation structure includes one group of cylinder, and the cylinder is evenly distributed in the digging wheel, and the piston rod of the cylinder connects the wedge Block, the piston rod of the cylinder are located at movable intracavity, and one end of the digging wheel dish axle is fixed on the wheel disc bracing frame, institute The other end connection touching switch pressing plate of digging wheel dish axle is stated, the side of the excavation shell fragment is provided with and the touching switch pressure The touching switch that plate is used cooperatively, each described touching switch are all connected with master controller, the master controller connection reset unit, Liquid crystal display, push-button unit, cylinder control electromagnetic valve and power supply, the master controller are controlled using STC12C5A60S2 Device, the pin P4.7 connection reset units of the master controller, the pin P0.0-P0.7 and P1.0-P1.4 of the master controller Connect 12864 liquid crystal displays, the pin P1.4-P1.7 of the master controller connects the push-button unit, the main control The pin P2.0-P2.5 of device connects the touching switch respectively, and the pin P3.0-P3.5 of the master controller connects the cylinder Control electromagnetic valve.
4. buried cable automatic mining laying backfill flattening device according to claim 1, is characterized in that:It is described to lay back Fill out flattening mechanism and connect the fixed plate by backfilling smooth support, the laying backfill flattening mechanism includes flat with the backfill The top board of whole support connection, the both sides connection side guide of the top board, the side guide connect smooth side guide, it is described on Pressing plate connects smooth top board by torsionspring, is provided with cable guiding device between two smooth side guides.
5. buried cable automatic mining laying backfill flattening device according to claim 1, is characterized in that:The cable goes out Line mechanism cable outlet mechanism includes cable wheel shaft and cable, and the cable wheel shaft is fixed on cable fixed mount, the cable The spacing tensioning hoop for facilitating the cable to pass through is provided with fixed mount.
6. buried cable automatic mining laying backfill flattening device according to claim 1, is characterized in that:The piston rod The voussoir is connected by pad.
CN201611106467.XA 2016-03-21 2016-12-06 A kind of buried cable automatic mining laying backfill flattening device Expired - Fee Related CN106522298B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2016101628303 2016-03-21
CN201610162830.3A CN105649128A (en) 2016-03-21 2016-03-21 Automatic excavation, laying, filling and leveling device of underground cables

Publications (2)

Publication Number Publication Date
CN106522298A true CN106522298A (en) 2017-03-22
CN106522298B CN106522298B (en) 2018-11-16

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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
CN201611112368.2A Expired - Fee Related CN106532581B (en) 2016-03-21 2016-12-06 A kind of power cable cutting method
CN201611106467.XA Expired - Fee Related CN106522298B (en) 2016-03-21 2016-12-06 A kind of buried cable automatic mining laying backfill flattening device
CN201611112357.4A Active CN106522299B (en) 2016-03-21 2016-12-06 A kind of buried cable automatic mining laying backfill levelling method

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CN201610162830.3A Pending CN105649128A (en) 2016-03-21 2016-03-21 Automatic excavation, laying, filling and leveling device of underground cables
CN201611112368.2A Expired - Fee Related CN106532581B (en) 2016-03-21 2016-12-06 A kind of power cable cutting method

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Application Number Title Priority Date Filing Date
CN201611112357.4A Active CN106522299B (en) 2016-03-21 2016-12-06 A kind of buried cable automatic mining laying backfill levelling method

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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
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CN106522298B (en) 2018-11-16
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CN106532581A (en) 2017-03-22
CN105649128A (en) 2016-06-08
CN106532581B (en) 2018-06-19

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