CN102593756A - Miniature tractor - Google Patents
Miniature tractor Download PDFInfo
- Publication number
- CN102593756A CN102593756A CN2012100738755A CN201210073875A CN102593756A CN 102593756 A CN102593756 A CN 102593756A CN 2012100738755 A CN2012100738755 A CN 2012100738755A CN 201210073875 A CN201210073875 A CN 201210073875A CN 102593756 A CN102593756 A CN 102593756A
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- wheel
- hydraulic motor
- miniature
- oil
- control valve
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 229910001651 emery Inorganic materials 0.000 claims description 39
- 239000003921 oil Substances 0.000 claims description 37
- 230000008520 organization Effects 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 239000002828 fuel tank Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 26
- 230000001276 controlling effect Effects 0.000 description 15
- 238000010276 construction Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring 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
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000003825 pressing Methods 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
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a miniature tractor, which is mainly applied to the traction of a guiding rope in the initial stage of erection of a power transmission line. The miniature tractor comprises a grinding wheel mechanism, a control mechanism and a disk wheel for collecting the guiding rope. The control mechanism is connected with a power source through an oil pipe and a rapid joint, and comprises a control valve I, a hydraulic motor I, a control valve II and a hydraulic motor II. A small gear is arranged on an output shaft of the hydraulic motor I. The grinding wheel mechanism comprises a pair of grinding wheels. A large gear meshed with the small gear is arranged on the inner side of each of the two grinding wheels. Grooves for winding the guiding rope are formed on the outer circle of each grinding wheel. A guide wheel group is arranged at each of two positions opposite to an outlet groove and an inlet groove. The disk wheel is driven by the hydraulic motor II. The miniature tractor is small in volume, simple in structure and low in energy consumption. The power source is divided into independent parts so as to be conveniently transported in a mountain region. The miniature tractor is convenient to mount, and when other large-sized equipment is not arranged in place, the traction of the guiding rope can be started by the miniature tractor.
Description
Technical field
The present invention relates to a kind of hauling machine, a kind of specifically special-purpose miniature hauling machine of the unfolding preliminary leading rope that erects power transmission lines.
Background technology
In transmission line construction, the stringing construction is one of work progress of most critical, and spreading guiding rope is the main contents of this work progress.At present, the increasing employing propeller-parachuting of spreading guiding rope lightweight aircraft unwrapping wire.Propeller-parachuting lightweight aircraft unwrapping wire need draw with hauling machine behind the line tower.Existing hauling machine unit is not only bulky, complex structure, and the 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 through the professional training personnel operation.The more important thing is that the energy consumption of traction unit own is high, the 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, when fault such as rope occurring squeezing, do not match, easily the preliminary leading rope yarn is led disconnectedly, influence construction schedule with guiding rope tension.The mode of lease hauling machine is adopted in stringing construction at present, and the engineering time is long more, and lease expenses is high more.For novel circuit is compact line, and its lead adopts six splitted construction, and promptly every phase conductor is made up of six roots of sensation sub-conductor, and this circuit of many preliminary leading ropes is put in exhibition for needs; The propeller-parachuting lightweight aircraft can only be taked unwrapping wire in batches, and the operating time is long, and efficient is low, and expense is high; If run into Changes in weather, in the time of can't flying, more can prolong construction period; Use traction unit traction guiding rope, not only increase lease expenses, increased fuel consume more.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of miniature hauling machine, are particularly useful for the low miniature hauling machine 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 scheme that the present invention adopted is:
Miniature hauling machine; Comprise emery wheel mechanism that is arranged on frame one end and the hydraulic control of controlling the rotation of emery wheel mechanism; The other end in frame is provided with the plate wheel of collecting the guiding rope, and controlling organization is connected and forms the loop of hydraulic oil with power source through oil pipe and snap joint; Said power source comprises the engine that is installed on the base, by engine-driven oil pump and be the fuel tank of oil pump oil storage; Said controlling organization comprises control valve I and hydraulic motor I and a control valve II and a hydraulic motor II that is connected through oil pipe with oil pump; The output shaft of hydraulic motor I is provided with pinion; Said emery wheel mechanism comprises a pair of emery wheel that is installed in respectively on the support case that is fixedly connected with frame, and the inboard of two emery wheels is provided with the gear wheel with pinion respectively; The cylindrical of said emery wheel is provided with the groove that twines the guiding rope, and being provided with in two positions of the groove of corresponding outlet and lambda line has guide wheel group respectively, and said guide wheel group comprises two vertical guide wheels and horizontal guide wheel that is installed on the wheel bracket; Said plate wheel is driven by the hydraulic motor II, between plate wheel and guide wheel group, also is provided with the wire-arranging mechanism of the guiding rope that on plate wheel, distributes.
Further improvement of the present invention is: said controlling organization also is connected with cooling device to the oil pipe between the power source; Cooling device is connected on the frame between controlling organization and the plate wheel; Said 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: said plate wheel is erected at through a transverse axis on the support of frame end, and said transverse axis two ends are provided with inserts the dial that the drive plate wheel in the plate wheel end frame rotates; One end of said support is provided with the column that the top has the groove of depositing transverse axis; Crosswise fixed one minor axis on the column of the other end of support; The end of minor axis is provided with the groove that sets up transverse axis equally, and said transverse axis is placed in the groove of above-mentioned column and minor axis, through bearing one sprocket wheel by the driving of hydraulic motor II is set on the minor axis; Be connected with pusher dog on the end face of sprocket wheel, pusher dog cooperates with the dial overlap joint; Transverse axis one end in the outside of dial also is provided with the briquetting that compresses dial.
The further improvement of technique scheme of the present invention is: said pusher dog is through in the driving lever that bearing pin is movably connected in sprocket wheel is fixedly connected; An end and side at pusher dog respectively are provided with a shrinkage pool; The push rod of one band spring is set in the end of driving lever, and the end of push rod and shrinkage pool cooperate.
Further improvement of the present invention is: said wire-arranging mechanism comprises a creel stand; The cross bar on creel stand top is provided with the coaster of a band guide roller; Connect a lever through vertical chute on the coaster; The mid point of lever is hinged on the cross bar at creel stand middle part, and the lower hinge of lever is on a slide block with vertical chute, and slide block is connected with an oil cylinder; Final position at the corresponding slide block of creel stand bottom one end is provided with a hydraulicdirectional control valve, and a reversal valve and a governing valve are connected between oil cylinder and the controlling organization control valve II.
Because the technological progress of having adopted technique scheme, the present invention to obtain is:
Miniature hauling machine volume of the present invention is little, price is low, simple in structure, energy consumption is little, the operation need not professional training, it mainly is applicable to when the initial stage that erects power transmission lines is led preliminary leading rope and uses.The present invention separates into independent parts with power source, using the scene through the oil pipe assembling, monomer weight is alleviated; Be convenient to transportations such as mountain region; Its convenient installation, when other main equipment was not in place as yet, the present invention promptly can begin to draw the work of guiding 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 control plate wheel, so that further weight reduction.
Cooling device of the present invention is with the simplest mode, and its power supply also can transport in split, and hydraulic oil is heat radiator dedicated not only to 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 and the pusher dog that are driven by the hydraulic motor II during work rotate together, and pusher dog contacts with the dial of stirring plate wheel one end, drive dial and plate wheel and rotate.Pusher dog is movably articulated in the driving lever, when pusher dog is laterally outer, can overlap with dial, thereby stir plate wheel, and when pusher dog when forward driving lever is inner, releasing overlaps plate wheel with sprocket wheel, and plate wheel can freely rotate, and provides convenience for the reversing unwrapping wire of plate wheel like this.Being provided with of push rod can make pusher dog laterally with forward locate on the both direction.Transverse axis is put at the center of the plate wheel of winding guiding rope of the present invention; A dial is respectively inserted in the outside of the two ends plate wheel of transverse axis; Have dog to insert in the framework of end face of plate wheel on the dial, the outside of one of them dial is placed on plate wheel, connection transverse axis, dial, briquetting in the groove of support and minor axis using the briquetting location that cooperates with transverse axis so together; With an end of briquetting and the pusher dog overlap joint of sprocket wheel one end, dial just can not rotate under the drive of sprocket wheel.
Wire-arranging mechanism of the present invention utilizes existing hydraulic oil to be power, and structure is very simple, not only can realize winding displacement, and in light weight.Guide wheel group of the present invention is made up of two vertical guide wheels and a horizontal guide wheel, and it can make the guiding rope accurately import and derive.
Description of drawings
Fig. 1 is an agent structure sketch map of the present invention;
Fig. 2 is the plan structure sketch map of Fig. 1;
Fig. 3 is the structural representation of power source of the present invention;
Fig. 4 is the plan structure sketch map of Fig. 3;
Fig. 5 is the sketch map of wire-arranging mechanism of the present invention;
Fig. 6 is the sketch map 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, the hydraulic motor II; 32, sprocket wheel, 33, support, 34, transverse axis, 35, minor axis, 36, pusher dog, 36-1, push rod, 37, dial; 38, driving lever, 39, briquetting, 41, the hydraulic motor I, 42, support case, 43, emery wheel, 44, gear wheel; 45, pinion, 61, the control valve I, 62, the 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 explained further details:
Miniature hauling machine of the present invention mainly comprises the controlling organization 6 and power source 2 of plate wheel 3 and emery wheel mechanism 4 and driving plate wheel and the rotation of emery wheel mechanism.Hydraulic power is provided for plate wheel 3 and emery wheel mechanism 4 by power source 2, size, plate wheel 3 and 4 runnings of emery wheel mechanism through controlling organization 6 control hydraulic powers or stop by emery wheel mechanism 4 traction guiding ropes, and will guides to restrict by plate wheel 3 and wind up.
The emery wheel mechanism 4 of miniature hauling machine is arranged on an end of frame 1, and controlling organization 6 control emery wheel mechanisms 4 rotate, and controlling organization 6 comprises the hydraulic motor I 41 and a small-sized hydraulic motor II 31 of control valve I 61 and a control valve II 62 and a band brake.Controlling organization 6 is connected through oil pipe and snap joint with hydraulic power supply 2, forms the circulation circuit of hydraulic oil.Power source 2 mainly comprises engine 21, oil pump 22 and the fuel tank 23 that is installed on the base.GED oil pump 22 runnings, oil pump is squeezed into control valve I 61 and control valve II 62 through oil pipe with hydraulic oil, and control valve I 61 is communicated with through oil pipe with hydraulic motor I 41 and hydraulic motor II 31 respectively with control valve II 62.Control valve I 61 adopts multiple directional control valve with control valve II 62, can realize limiting maximum pressure and forward and reverse control.Through operating grip control control valve, thereby realize the pressure of plate wheel 3 and emery wheel mechanism 4 is regulated and started and stop, and realize the forward and reverse conversion of guiding rope winding direction.The control valve I is a main control valve, and its control hydraulic motor I, hydraulic motor I are provided with on the support case 42 of an end of frame 1, are used for driving the rotation of emery wheel mechanism 4; The hydraulic motor II is arranged on the other end of frame 1, and it is used for driving plate wheel 3.
Also be connected with cooling device 5 on the oil pipe of the oil outlet end of hydraulic motor I 41 and hydraulic motor II 31.Hydraulic oil in the oil pump 22 gets into control valve I and hydraulic motor I and control valve II and hydraulic motor II respectively through oil pipe, after cooling device 5 cooling of flowing through then, is back in the fuel tank 23 and stores, and then supply with oil pump 22.Like this through the hydraulic oil of high pressure effect through apparatus for supercooling 5 time, just can fully be cooled off, become the hydraulic oil of normal temperature after getting back to fuel tank, so that circulate once more.
The output shaft of hydraulic motor I 41 is provided with a pinion 45, and 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 and support case 42; Support case 42 and be fixed on the frame 1, two emery wheels 43 are installed in parallel in a side that supports case respectively, and the hydraulic motor II is installed in the opposite side that supports case 42, the centre of two emery wheels 43.The inboard of two emery wheels 43 promptly is respectively arranged with gear wheel 44 near a side that supports case 42; Two gear wheel 44 sizes are identical; Gear wheel 44 meshes with pinion 45 respectively; Gear wheel and emery wheel 43 coaxial settings also are fixed together with two emery wheels 43 respectively, and the hydraulic motor II drives gear wheel through pinion and emery wheel 43 rotates synchronously.
The other end in the relative emery wheel mechanism 4 of frame 1 is provided with a support 33, and said plate wheel 3 is arranged on the support 33.The center of plate wheel 3 is installed with a transverse axis 34; Respectively place a dial 37 then again at the transverse axis two ends; Two dogs of dial 37 1 side bands in the gap of the framework of dog insertion plate wheel 3, are provided with a briquetting 39 in the outside of transverse axis 34 then again; Briquetting 39 is connected with transverse axis 34 through screw thread, and briquetting 39 is pressed on dial on the transverse axis.Plate wheel 3 just can rotate with dial 37 together like this.Support 33 comprises two root posts; Wherein a groove is arranged at the top of a root post; Welding one horizontal minor axis 35 on the column of the other end of support 33, this minor axis 35 points to another root posts, and the end of this minor axis 35 also is provided with a groove; Transverse axis 34 is erected in these above-mentioned two grooves, wherein is not placed in the groove of minor axis 35 with an end of briquetting 39 on the transverse axis.Through Bearing Installation one sprocket wheel 32 is set on the minor axis, this sprocket wheel 32 is connected through the sprocket wheel on the output shaft of chain and hydraulic motor II 31.Sprocket wheel 32 by 31 drivings of hydraulic motor II.Be connected with pusher dog 36 on the sprocket wheel 32, pusher dog 36 extend in dial 37 frame gap, cooperates with dial 37 overlap joints, rotates to stir dial and plate wheel.The concrete mounting means of pusher dog 36 is: be fixedly connected a driving lever 38 in the side of sprocket wheel 32, leave a groove on the driving lever 38, pusher dog 36 is arranged in this groove, uses the bearing pin cross-under then, and pusher dog 36 can be produced to the plate wheel direction around bearing pin, and becomes plumbness.In the end of driving lever 38 a push rod 36-1 is set, a spring is set on the push rod 36-1.On the end face of pusher dog 36, a shrinkage pool is set near an end of bearing pin; Side at pusher dog 36 also is provided with a shrinkage pool; Make pusher dog 36 when returning driving lever 38 inside and reaching driving lever 38 outsides, push rod 36-1 can both hold out against pusher dog 36, and the end of push rod 36-1 and shrinkage pool cooperate.Can also weld projection 30 with pusher dog 36 corresponding matching in the outside of dial 37.
Be provided with some roads groove on the cylindrical of each emery wheel 43, groove is used for twining the guiding 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 on the frame 1 through wheel bracket 73.Guide wheel group 7 is made up of two the vertical vertical guide wheels 71 that are provided with 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, also be provided with wire-arranging mechanism 8, wire-arranging mechanism 8 is used to make the guiding rope to twine uniformly to be arranged in plate wheel 3.Wire-arranging mechanism comprises a creel stand 80, and creel stand 80 crosswise fixed are on frame 1, and the cross bar on the top of creel stand 80 is provided with the coaster 81 of a band guide roller, and this guide roller also can be arranged to the guide wheel group like guide wheel group 7 one spline structures.One vertical chute is arranged on the coaster 81, connect an end of a lever 82 in the 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 the slide block 83, and it also is that chute through vertical is hinged that lever 82 is connected with slide block 83.Slide block 83 is connected with an oil cylinder 84 again; One end is provided with the hydraulicdirectional control valve 85 of two four-ways in creel stand 80 bottoms; The final position of the corresponding slide block 83 in the position of reversal valve 85, a reversal valve 85 and a governing valve are connected between oil cylinder 84 and the control valve II 62 together then.Governing valve can be regulated the stretching speed of oil cylinder, and reversal valve is through all can change the direction of motion of oil cylinder at every turn after the pressing of slide block.
Because the traction preliminary leading rope needs tractive effort smaller, the engine 21 in the power source 2 can adopt lower-powered power-equipment, so greatly reduced fuel consume.Engine 21 drives oil pump 22 and with plate wheel 3 hydraulic power is provided for emery wheel mechanism 4, can control through 6 pairs of pressure of controlling organization, fortuitous event occurs and shuts down at any time.When different directions is pulled joystick, make emery wheel 43 with or plate wheel do forward or backward rotation, thereby realize traction or discharge the function of guiding rope.Regulate the size of hydraulic control valve pressure, also can change the size of tractive effort.
Claims (5)
1. miniature hauling machine; It is characterized in that: comprise the emery wheel mechanism (4) that is arranged on frame (1) one end and control the hydraulic control (6) that emery wheel mechanism (4) rotates; Be provided with the plate wheel (3) of collecting the guiding rope at the other end of frame (1), controlling organization (6) is connected and forms the loop of hydraulic oil through oil pipe and snap joint and power source (2); Said power source (2) comprises the engine (21) that is installed on the base, by engine-driven oil pump (22) and be the fuel tank (23) of oil pump (22) oil storage; Said controlling organization (6) comprises control valve I (61) and hydraulic motor I (41) and control valve II (62) and the hydraulic motor II (31) that is connected through oil pipe with oil pump (22); The output shaft of hydraulic motor I (41) is provided with pinion (45); Said emery wheel mechanism (4) comprises a pair of emery wheel (43) that is installed in respectively on the support case (42) that is fixedly connected with frame (1), and the inboard of two emery wheels (43) is provided with the gear wheel (44) with pinion (45) engagement respectively; The cylindrical of said emery wheel (43) is provided with the groove that twines the guiding rope; Two positions at the groove of corresponding outlet and lambda line are provided with guide wheel group (7), and said guide wheel group (7) comprises two vertical guide wheels (71) and a horizontal guide wheel (72) that is installed on the wheel bracket (73); Said plate wheel (3) is driven by hydraulic motor II (31), between plate wheel (3) and guide wheel group (7), also is provided with the wire-arranging mechanism of going up the guiding rope that distributes at plate wheel (3).
2. miniature hauling machine according to claim 1 is characterized in that said controlling organization (6) also is connected with cooling device (5) to the oil pipe between the power source (2); Cooling device (5) is connected on the frame (1) between controlling organization (6) and the plate wheel (3); Said 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.
3. miniature hauling machine according to claim 1; It is characterized in that said plate wheel (3) is erected at through a transverse axis (34) on the support (33) of frame (1) end, said transverse axis two ends are provided with inserts the dial (37) that the drive plate wheel in plate wheel (3) the end frame rotates; One end of said support (33) is provided with the column that the top has the groove of depositing transverse axis (34); Crosswise fixed one minor axis (35) on the column of the other end of support (33); The end of minor axis is provided with the groove that sets up transverse axis (34) equally; Said transverse axis (34) is placed in the groove of above-mentioned column and minor axis (35); Through bearing one sprocket wheel (32) by hydraulic motor II (31) driving is set on the minor axis, is connected with pusher dog (36) on the end face of sprocket wheel (32), pusher dog (36) cooperates with dial (37) overlap joint; On the transverse axis (34) in the outside of dial, also be provided with the briquetting (39) that compresses dial.
4. miniature hauling machine according to claim 3; It is characterized in that said pusher dog (36) is movably connected in the driving lever (38) that is fixedly connected with sprocket wheel (32) through bearing pin; An end and side at pusher dog (36) respectively are provided with a shrinkage pool; The push rod (36-1) of one band spring is set in the end of driving lever (38), and the end of push rod (36-1) and shrinkage pool cooperate.
5. miniature hauling machine according to claim 1; It is characterized in that said wire-arranging mechanism comprises a creel stand (80); The cross bar on creel stand (80) top is provided with the coaster (81) of a band guide roller; Coaster (81) is gone up and is connected a lever (82) through vertical chute; The mid point of lever (82) is hinged on the cross bar at creel stand (80) middle part, and the lower hinge of lever (82) is on a slide block with vertical chute (83), and slide block (83) is connected with an oil cylinder (84); Final position at creel stand (80) the bottom corresponding slide block of one end (83) is provided with a hydraulicdirectional control valve (85), and a reversal valve (85) and a governing valve are connected between the control valve II (62) of oil cylinder (84) and controlling organization (6).
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 true CN102593756A (en) | 2012-07-18 |
| CN102593756B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048339A (en) * | 2019-04-26 | 2019-07-23 | 国网山东省电力公司成武县供电公司 | A kind of power construction wire stretcher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244859A (en) * | 1997-02-17 | 1998-09-14 | Franz Plasser Bahnbaumas Ind Gmbh | Machine for installing electric traction of overhead line |
| 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 |
-
2012
- 2012-03-20 CN CN201210073875.5A patent/CN102593756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244859A (en) * | 1997-02-17 | 1998-09-14 | Franz Plasser Bahnbaumas Ind Gmbh | Machine for installing electric traction of overhead line |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048339A (en) * | 2019-04-26 | 2019-07-23 | 国网山东省电力公司成武县供电公司 | A kind of power construction wire stretcher |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102593756B (en) | 2014-09-10 |
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