CN102593756B - Miniature tractor - Google Patents
Miniature tractor Download PDFInfo
- Publication number
- CN102593756B CN102593756B CN201210073875.5A CN201210073875A CN102593756B CN 102593756 B CN102593756 B CN 102593756B CN 201210073875 A CN201210073875 A CN 201210073875A CN 102593756 B CN102593756 B CN 102593756B
- Authority
- CN
- China
- Prior art keywords
- wheel
- guide
- hydraulic motor
- oil
- frame
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 37
- 230000001276 controlling effect Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 229910001651 emery Inorganic materials 0.000 description 33
- 241000282472 Canis lupus familiaris Species 0.000 description 26
- 230000008520 organization Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
本发明公开了一种微型牵引机，其主要适用于架设输电线路的初期牵引导引绳时使用。包括磨轮机构、控制机构、收集导引绳的盘轮，控制机构通过油管及快速接头与动力源连接；控制机构包括控制阀Ⅰ和液压马达Ⅰ以及控制阀Ⅱ和液压马达Ⅱ，液压马达Ⅰ的输出轴上设置有小齿轮，磨轮机构包括一对磨轮，两磨轮的内侧分别设置与小齿轮啮合的大齿轮；所述磨轮的外圆上设置有缠绕导引绳的沟槽，在对应出线和入线的沟槽的两个位置设置有导轮组；盘轮由液压马达Ⅱ驱动。本发明的微型牵引机体积小、结构简单、能耗小，本发明将动力源分离成独立的部分，便于山地运输，其方便安装，在其它大型设备尚未安装到位时，本发明即可以开始牵引导引绳的工作。
The invention discloses a miniature traction machine, which is mainly suitable for initial traction of a guiding rope for erecting a power transmission line. It includes a grinding wheel mechanism, a control mechanism, and a disc wheel for collecting guide ropes. The control mechanism is connected to the power source through oil pipes and quick connectors; the control mechanism includes control valve Ⅰ and hydraulic motor Ⅰ, control valve Ⅱ and hydraulic motor Ⅱ, and hydraulic motor Ⅰ. The output shaft is provided with a pinion, and the grinding wheel mechanism includes a pair of grinding wheels. The inner sides of the two grinding wheels are respectively provided with a large gear meshed with the pinion; the outer circle of the grinding wheel is provided with a groove for winding a guide rope. The two positions of the line-entry groove are provided with guide wheel sets; the disc wheels are driven by hydraulic motor II. The mini tractor of the present invention is small in size, simple in structure and low in energy consumption. The present invention separates the power source into independent parts, which is convenient for mountain transportation and easy to install. When other large-scale equipment has not been installed in place, the present invention can start traction The work of the guide rope.
Description
Technical field
The present invention relates to a kind of hauling machine, specifically a kind of special Miniature tractor of the unfolding preliminary leading rope that erects power transmission lines.
Background technology
In transmission line construction, Poling Construction is one of work progress of most critical, and spreading guiding rope is the main contents of this work progress.At present, spreading guiding rope more and more adopts propeller-parachuting lightweight aircraft unwrapping wire.Propeller-parachuting lightweight aircraft unwrapping wire, after transmission tower, need to draw with hauling machine.Existing hauling machine unit is not only bulky, complex structure, and Installation and Debugging process is loaded down with trivial details, needs the time long, has a strong impact on construction period; And complicated operation, need to be through professional training personnel operation.The more important thing is that the energy consumption of traction unit own is high, traction preliminary leading rope belongs to low load with strong power, causes energy dissipation.Use existing hauling machine traction preliminary leading rope, also have the excessive problem of tractive effort, in the time occurring squeezing the faults such as rope, do not mate with guide rope tension force, easily preliminary leading rope yarn is led disconnectedly, affect construction schedule.Poling Construction adopts the mode of lease hauling machine at present, and the engineering time is longer, and lease expenses is higher.Be compact line for Novel line, its wire adopts six splitted construction, and every phase conductor is made up of six roots of sensation sub-conductor, for this circuit that need to unfold many preliminary leading ropes, propeller-parachuting lightweight aircraft can only be taked unwrapping wire in batches, longevity of service, efficiency is low, expense is high, if run into Changes in weather, cannot fly time, more can extend construction period, use traction unit traction guide rope, not only increase lease expenses, more increased fuel consume.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of Miniature tractor, are particularly useful for the low Miniature tractor of small volume and less weight, energy consumption of transmission line unfolding preliminary leading rope.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Miniature tractor, comprise and be arranged on the emery wheel mechanism of frame one end and control the hydraulic control that emery wheel mechanism rotates, be provided with the plate wheel of collecting guide rope at the other end of frame, controlling organization is connected and forms the loop of hydraulic oil with power source by oil pipe and snap joint; Described power source comprises the engine that is arranged on base, by engine-driven oil pump and be the fuel tank of oil pump oil storage; Described controlling organization comprises the control valve I and hydraulic motor I and control valve II and the hydraulic motor II that are connected by oil pipe with oil pump, on the output shaft of hydraulic motor I, be provided with pinion, described emery wheel mechanism comprises a pair of emery wheel being arranged on respectively on the support box being fixedly connected with frame, and the inner side of two emery wheels arranges respectively the gear wheel engaging with pinion; On the cylindrical of described emery wheel, be provided with and be wound around the groove of guide rope, arrange and have respectively guide wheel group in two positions of the groove of corresponding outlet and lambda line, described guide wheel group comprises two the vertical guide wheels and the horizontal guide wheel that are arranged on wheel bracket; Described plate wheel is driven by hydraulic motor II, is also provided with the wire-arranging mechanism of the guide rope that distributes on plate wheel between plate wheel and guide wheel group.
Further improvement of the present invention is: described controlling organization is also connected with cooling device to the oil pipe between power source; Cooling device is connected in the frame between controlling organization and plate wheel; Described cooling device comprises that hydraulic oil is heat radiator dedicated, is provided with electric fan in a side of radiator, and electric fan provides power supply by storage battery.
Further improvement of the present invention is: described plate wheel is erected at by a transverse axis on the support of frame end, and described transverse axis two ends arrange the driver plate of the drive plate wheel rotation of inserting in plate wheel end frame; One end of described support is provided with top with the column of groove of depositing transverse axis, on the column of the other end of support, laterally fix a minor axis, the end of minor axis is provided with the groove that sets up transverse axis equally, described transverse axis is placed in the groove of above-mentioned column and minor axis, on minor axis, by bearing, one sprocket wheel being driven by hydraulic motor II is set, on the end face of sprocket wheel, be connected with pusher dog, pusher dog coordinates with driver plate overlap joint; Also be provided with the briquetting of compression driver plate in the transverse axis one end in the outside of driver plate.
The further improvement of technique scheme of the present invention is: described pusher dog is movably connected in by bearing pin in the driving lever being fixedly connected with sprocket wheel, one end and side at pusher dog respectively arrange a shrinkage pool, one push rod with spring is set in the end of driving lever, and the end of push rod and shrinkage pool coordinate.
Further improvement of the present invention is: described wire-arranging mechanism comprises a creel stand, the cross bar on creel stand top is provided with a coaster with guide roller, on coaster, connect a lever by vertical chute, the mid point of lever is hinged on the cross bar at creel stand middle part, the lower hinge of lever is on the slide block of the vertical chute of a band, slide block is connected with an oil cylinder, final position at the corresponding slide block in one end, creel stand bottom arranges a hydraulicdirectional control valve, and reversal valve and a governing valve are connected between oil cylinder and controlling organization control valve II.
Owing to having adopted technique scheme, the technological progress that the present invention obtains is:
Miniature tractor volume of the present invention is little, price is low, simple in structure, energy consumption is little, operation without professional training, its initial stage that is mainly applicable to erect power transmission lines is used while leading preliminary leading rope.Power source is separated into independently part by the present invention, using scene assembling by oil pipe, monomer weight alleviated, be convenient to the transports such as mountain region, its convenient installation, in the time that other main equipment is not yet in place, the present invention can start to draw the work of guide rope.The hydraulic motor I of the control emery wheel of controlling organization of the present invention is greater than the hydraulic motor II of controlling plate wheel, so that further weight reduction.
The simplest mode for cooling device of the present invention, its power supply also can transport in split, and hydraulic oil is heat radiator dedicated not only can be good at heat radiation, and can bear the pressure of hydraulic oil.Plate wheel of the present invention can be rack-mount easily, and conveniently take off.The sprocket wheel being driven by hydraulic motor II when work rotates together with pusher dog, and pusher dog contacts with the driver plate of stirring plate wheel one end, drives driver plate and plate wheel to rotate.Pusher dog is movably articulated in driving lever, can overlap with driver plate, thereby stir plate wheel in the time that pusher dog is laterally outer, and when pusher dog is when forward driving lever is inner, plate wheel and sprocket wheel are removed overlap joint, and plate wheel can freely rotate, and is that the reversing unwrapping wire of plate wheel is provided convenience like this.The arranging of push rod can make pusher dog laterally and forward locate on both direction.Transverse axis is put at the center of the plate wheel of winding guide rope of the present invention, the each driver plate that inserts in outside of the two ends plate wheel of transverse axis, on driver plate, there is dog to insert in the framework of end face of plate wheel, the briquetting location coordinating with transverse axis is being used in the outside of one of them driver plate, like this plate wheel, connection transverse axis, driver plate, briquetting are placed in the groove of support and minor axis together, the not pusher dog of the one end with briquetting and sprocket wheel one end overlap joint, driver plate just can rotate under the drive of sprocket wheel.
Wire-arranging mechanism of the present invention utilizes existing hydraulic oil for power, and structure is very simple, not only can realize winding displacement, and lightweight.Guide wheel group of the present invention is made up of two vertical guide wheels and a horizontal guide wheel, and it can make guide rope accurately import and derive.
Brief description of the drawings
Fig. 1 is agent structure schematic diagram of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of power source of the present invention;
Fig. 4 is the plan structure schematic diagram of Fig. 3;
Fig. 5 is the schematic diagram of wire-arranging mechanism of the present invention;
Fig. 6 is the schematic diagram of the pusher dog of invention.
Wherein, 1, frame, 2, power source, 3, plate wheel, 4, emery wheel mechanism, 5, cooling device, 6, controlling organization, 7, guide wheel group, 8, wire-arranging mechanism, 21, engine, 22, oil pump, 23, fuel tank, 30, projection, 31, hydraulic motor II, 32, sprocket wheel, 33, support, 34, transverse axis, 35, minor axis, 36, pusher dog, 36-1, push rod, 37, driver plate, 38, driving lever, 39, briquetting, 41, hydraulic motor I, 42, support box, 43, emery wheel, 44, gear wheel, 45, pinion, 61, control valve I, 62, control valve II, 71, vertical guide wheel, 72, horizontal guide wheel, 73, wheel bracket, 80, creel stand, 81, coaster, 82, lever, 83, slide block, 84, oil cylinder, 85, reversal valve.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details:
Miniature tractor of the present invention mainly comprises plate wheel 3 and emery wheel mechanism 4 and drives plate wheel and controlling organization 6 and the power source 2 of the rotation of emery wheel mechanism.Hydraulic power is provided to plate wheel 3 and emery wheel mechanism 4 by power source 2, the size, plate wheel 3 and the emery wheel mechanism 4 that control hydraulic power by controlling organization 6 turn round or stop, and draw guide rope, and by plate wheel 3, guide rope is wound up by emery wheel mechanism 4.
The emery wheel mechanism 4 of Miniature tractor is arranged on one end of frame 1, and controlling organization 6 is controlled emery wheel mechanism 4 and rotated, and controlling organization 6 comprises hydraulic motor I 41 and a small-sized hydraulic motor II 31 of control valve I 61 and control valve II 62 and a band brake.Controlling organization 6 is connected by oil pipe and snap joint with hydraulic power supply 2, forms the circulation circuit of hydraulic oil.Power source 2 mainly comprises the engine 21, oil pump 22 and the fuel tank 23 that are arranged on base.GED oil pump 22 turns round, and oil pump is squeezed into control valve I 61 and control valve II 62 by oil pipe by hydraulic oil, and control valve I 61 and control valve II 62 are communicated with by oil pipe with hydraulic motor I 41 and hydraulic motor II 31 respectively.Control valve I 61 and control valve II 62 adopt multiple directional control valve, can realize and limit maximum pressure and forward and reverse control.By operating grip control control valve, thereby realize, the pressure of plate wheel 3 and emery wheel mechanism 4 regulated and starts and stop, and realizing the forward and reverse conversion of guide rope winding direction.Control valve I is main control valve, and it controls hydraulic motor I, and hydraulic motor I arranges on the support box 42 of one end of frame 1, is used for driving the rotation of emery wheel mechanism 4; Hydraulic motor II is arranged on the other end of frame 1, and it is used for driving plate wheel 3.
On the oil pipe of the oil outlet end of hydraulic motor I 41 and hydraulic motor II 31, be also connected with cooling device 5.Hydraulic oil in oil pump 22 enters respectively control valve I and hydraulic motor I and control valve II and hydraulic motor II by oil pipe, and after the cooling device 5 of then flowing through is cooling, is back in fuel tank 23 and stores, and then for oil-feed pump 22.Like this through the hydraulic oil of High Pressure when through apparatus for supercooling 5, just can obtain fully coolingly, become the hydraulic oil of normal temperature after getting back to fuel tank, to again circulate.
Cooling device 5 is connected in the frame 1 between controlling organization 6 and plate wheel 3; Cooling device 5 comprises that hydraulic oil is heat radiator dedicated, is provided with electric fan in a side of radiator, and electric fan provides power supply by storage battery.
On the output shaft of hydraulic motor I 41, be provided with a pinion 45, emery wheel mechanism 4 is arranged on a side of hydraulic motor II.Emery wheel mechanism 4 comprises a pair of emery wheel 43, between emery wheel 43 and hydraulic motor II, be provided with support box 42, support box 42 is fixed in frame 1, and two emery wheels 43 are installed in parallel in respectively a side of support box, and hydraulic motor II is arranged on the opposite side of support box 42, the centre of two emery wheels 43.The inner side of two emery wheels 43 is respectively arranged with gear wheel 44 near a side of support box 42, two gear wheel 44 sizes are identical, gear wheel 44 engages with pinion 45 respectively, gear wheel and the coaxial setting of emery wheel 43 are also fixed together with two emery wheels 43 respectively, and hydraulic motor II drives gear wheel and emery wheel 43 synchronously to rotate by pinion.
The other end in the relative emery wheel mechanism 4 of frame 1 arranges a support 33, and described plate wheel 3 is arranged on support 33.The center of plate wheel 3 is installed with a transverse axis 34, then respectively place again a driver plate 37 at transverse axis two ends, two dogs of driver plate 37 1 side band, dog inserts in the gap of framework of plate wheel 3, then in the outside of transverse axis 34, a briquetting 39 is set again, briquetting 39 is connected with transverse axis 34 by screw thread, and briquetting 39 is pressed on driver plate on transverse axis.Plate wheel 3 just can rotate together with driver plate 37 like this.Support 33 comprises two root posts, wherein a groove is arranged at the top of a root post, on the column of the other end of support 33, weld a horizontal minor axis 35, this minor axis 35 points to another root post, the end of this minor axis 35 also arranges a groove, transverse axis 34 is erected in these above-mentioned two grooves, wherein on transverse axis, is not placed in the groove of minor axis 35 with one end of briquetting 39.On minor axis, installed a sprocket wheel 32 is set by bearing, this sprocket wheel 32 is connected by the sprocket wheel on the output shaft of chain and hydraulic motor II 31.The sprocket wheel 32 being driven by hydraulic motor II 31.On sprocket wheel 32, be connected with pusher dog 36, pusher dog 36 extend in driver plate 37 frame gap, coordinates with driver plate 37 overlap joints, rotates to stir driver plate and plate wheel.The concrete mounting means of pusher dog 36 is: be fixedly connected with a driving lever 38 in the side of sprocket wheel 32, output a groove on driving lever 38, pusher dog 36 is arranged in this groove, then uses bearing pin cross-under, pusher dog 36 can be produced to plate wheel direction around bearing pin, and become plumbness.One push rod 36-1 is set in the end of driving lever 38, a spring is set on push rod 36-1.Approach at pusher dog 36 on the end face of one end of bearing pin a shrinkage pool is set, side at pusher dog 36 also arranges a shrinkage pool, make pusher dog 36 in the time returning to driving lever 38 inside and reach driving lever 38 outside, push rod 36-1 can hold out against pusher dog 36, and the end of push rod 36-1 and shrinkage pool coordinate.Can also weld the projection 30 with pusher dog 36 corresponding matching in the outside of driver plate 37.
On the cylindrical of each emery wheel 43, be provided with some roads groove, groove is used for being wound around guide rope.Two positions at the groove of corresponding emery wheel 43 outlets and lambda line are respectively arranged with a guide wheel group 7; Guide wheel group 7 is fixedly connected in frame 1 by wheel bracket 73.Guide wheel group 7 is made up of two vertical vertical guide wheels 71 that arrange and the horizontal guide wheel 72 of a horizontally set, and vertical guide wheel 71 is placed in the two ends of horizontal guide wheel 72, and is positioned at the both sides of horizontal guide wheel 72.
Between the guide wheel group 7 of outlet and plate wheel 3, be also provided with wire-arranging mechanism 8, wire-arranging mechanism 8 is for making guide rope be wound around and be arranged in plate wheel 3 uniformly.Wire-arranging mechanism comprises a creel stand 80, and creel stand 80 is laterally fixed in frame 1, and the cross bar on the top of creel stand 80 is provided with a coaster 81 with guide roller, and this guide roller also can be arranged to as the guide wheel group of guide wheel group 7 one spline structures.On coaster 81, have a vertical chute, connect one end of a lever 82 in chute, the mid point of lever 82 is hinged on the cross bar at creel stand 80 middle parts, and the bottom of lever 82 is connected on a slide block 83, and it is also that chute by vertical is hinged that lever 82 is connected with slide block 83.Slide block 83 is connected with an oil cylinder 84 again, the hydraulicdirectional control valve 85 of two four-ways is set in creel stand 80 one end, bottom, the final position of the corresponding slide block 83 in position of reversal valve 85, then reversal valve 85 and a governing valve are connected between oil cylinder 84 and control valve II 62 together.Governing valve can regulate the stretching speed of oil cylinder, and reversal valve is in the direction of motion through all can change oil cylinder after the pressing of slide block at every turn.
Because traction preliminary leading rope needs tractive effort smaller, the engine 21 in power source 2 can adopt lower-powered power-equipment, so greatly reduced fuel consume.Engine 21 drives oil pump 22 to provide hydraulic power for emery wheel mechanism 4 and plate wheel 3, can control pressure by controlling organization 6, occurs that fortuitous event shuts down at any time.In the time pulling joystick to different directions, make emery wheel 43 and or plate wheel do forward or rotate backward, thereby realize traction or discharge the function of guide rope.The size of regulator solution pressure control valve pressure, also can change the size of tractive effort.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073875.5A CN102593756B (en) | 2012-03-20 | 2012-03-20 | Miniature tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073875.5A CN102593756B (en) | 2012-03-20 | 2012-03-20 | Miniature tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102593756A CN102593756A (en) | 2012-07-18 |
| CN102593756B true CN102593756B (en) | 2014-09-10 |
Family
ID=46482088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210073875.5A Active CN102593756B (en) | 2012-03-20 | 2012-03-20 | Miniature tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102593756B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048339B (en) * | 2019-04-26 | 2024-02-09 | 国网山东省电力公司成武县供电公司 | Wire stretcher for electric power construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293913Y (en) * | 1997-04-29 | 1998-10-07 | 王运生 | All-hydraulic self-walking tension paying out protractor |
| CN201663386U (en) * | 2010-01-13 | 2010-12-01 | 温县永恩电力机具有限公司 | Pull-type electric tractor for tension stringing of power transmission lines |
| CN202004379U (en) * | 2011-03-22 | 2011-10-05 | 辽宁省电力有限公司丹东供电公司 | Conducting wire power tractor |
| CN202474782U (en) * | 2012-03-20 | 2012-10-03 | 河北省送变电公司 | Mini-type traction machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA25697A (en) * | 1997-02-17 | 1998-04-15 | Plasser Bahnbaumasch Franz | MACHINE FOR LAYING A WIRING OF A CABLE |
-
2012
- 2012-03-20 CN CN201210073875.5A patent/CN102593756B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293913Y (en) * | 1997-04-29 | 1998-10-07 | 王运生 | All-hydraulic self-walking tension paying out protractor |
| CN201663386U (en) * | 2010-01-13 | 2010-12-01 | 温县永恩电力机具有限公司 | Pull-type electric tractor for tension stringing of power transmission lines |
| CN202004379U (en) * | 2011-03-22 | 2011-10-05 | 辽宁省电力有限公司丹东供电公司 | Conducting wire power tractor |
| CN202474782U (en) * | 2012-03-20 | 2012-10-03 | 河北省送变电公司 | Mini-type traction machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-244859A 1998.09.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102593756A (en) | 2012-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102611058B (en) | Traction device for primary stage of erecting transmission line | |
| CN109879107A (en) | A cable-reel combined and assembled synchronous line of defense starting and braking device | |
| CN107394679B (en) | Split type tensioner of tension stringing for power transmission line | |
| CN102593756B (en) | Miniature tractor | |
| CN203296419U (en) | Car carrying plate lifting device used for two-storey garage | |
| CN208326970U (en) | Cable winding apparatus and electric power first-aid equipment | |
| US10378531B2 (en) | Non-beam pumping unit driven by a motor reduction unit | |
| CN207156981U (en) | Charging auxiliary device and parking systems | |
| CN202474782U (en) | Mini-type traction machine | |
| CN201742067U (en) | Vehicle applicable to constructions in pipeline | |
| CN205472374U (en) | Split type hydraulic haulage machine | |
| CN204205411U (en) | Split type hauling machine | |
| CN202609704U (en) | Hose winding device for movable engine-driven irrigation equipment | |
| CN207645621U (en) | A kind of large scale electrical power unit installation lifting framework | |
| CN206639697U (en) | A kind of manufacture device of power transformer | |
| CN104998997B (en) | Reinforcement cage manufacturing device and method | |
| CN105217380B (en) | A tensioner for power transmission lines | |
| CN108995686B (en) | A kind of intelligence assembly line processing transport device | |
| CN203547194U (en) | Vehicle carrying plate lifting device of avoidance-free stereo garage | |
| CN202467272U (en) | Pull-type rotary double-layer parking device | |
| CN107834439B (en) | The electric wire stringing method of messenger bracing wire is used between a kind of mountain top | |
| CN204237481U (en) | Strand grinding machine | |
| CN205240968U (en) | A device for retrieving drip irrigation system branch pipe | |
| CN202474698U (en) | Miniature tensioner | |
| CN205554261U (en) | Building machine climbs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: HEBEI ELECTRIC POWER TRANSMISSION AND TRANSFORMATION CO., LTD. Effective date: 20121026 Owner name: HEBEI ELECTRIC POWER CORPORATION HEBEI ELECTRIC PO Free format text: FORMER OWNER: HEBEI PROVINCE ELECTRIC POWER TRANSMISSION AND TRANSFORMATION INDUSTRIAL CORPORATION Effective date: 20121026 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050051 SHIJIAZHUANG, HEBEI PROVINCE TO: 100761 DONGCHENG, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20121026 Address after: 100761 West Chang'an Avenue, Beijing, No. 86 Applicant after: State Grid Corporation of China Applicant after: Hebei Electric Power Corporation Applicant after: Hebei Power Transmission & Transformation Company Applicant after: Hebei sends change Electric Industrial Co., Ltd. Address before: 050051 No. 288, Xinhua Road, Hebei, Shijiazhuang Applicant before: Hebei Power Transmission & Transformation Company Applicant before: Hebei sends change Electric Industrial Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |