CN204205410U - Large-tonnage stretching all-in-one - Google Patents
Large-tonnage stretching all-in-one Download PDFInfo
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- CN204205410U CN204205410U CN201420589016.6U CN201420589016U CN204205410U CN 204205410 U CN204205410 U CN 204205410U CN 201420589016 U CN201420589016 U CN 201420589016U CN 204205410 U CN204205410 U CN 204205410U
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- 210000001364 upper extremity Anatomy 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 239000002283 diesel fuel Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
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- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
Large-tonnage stretching all-in-one, comprise frame, frame is provided with toe-out wheels, posttension wheels, engine, hydraulic drive checking brake and electric control system, road wheel is provided with bottom frame, frame front and back end is respectively equipped with telescopic front leg strut and rear support leg, Power Drive Unit is in transmission connection with toe-out wheels and posttension wheels respectively by gear reduction brake apparatus, frame is also provided with the winding displacement support being positioned at posttension wheels rear, winding displacement pedestal upper end level is provided with winding displacement pipe, winding displacement pipe is arranged with winding displacement roller, winding displacement pipe is provided with the spacing pin being positioned at winding displacement roller two ends, frame rear end is provided with bracing frame, bracing frame is provided with the backing roll parallel with winding displacement roller, frame rear end bottom is provided with bracket, toe-out wheels lower front is provided with tail rope clamping device.The utility model tension force is large, good stability during trailer, can ensure parts not by greater impact power, thus greatly can improve efficiency of construction, improve the fail safe of construction, reduce labour intensity.
Description
Technical field
The utility model relates to a kind of stretching equipment, particularly a kind of large-tonnage stretching all-in-one being applied to electricity power engineering construction stringing.
Background technology
Stretching equipment is a kind of indispensable instrument in electrical network construction stringing, and its performance quality, directly has influence on quality and the progress of Poling Construction.At present, domestic large-tonnage stretching device fabrication and application are also not general, belong to the initial development stage.
Along with China 1250mm
2large-section lead relies on peaceful east ~ Zhejiang ± 800kV extra high voltage direct current transmission line engineering, with 1520mm
2large-section lead relies on and covers putting into operation of west ~ Hubei ± 800kV extra high voltage direct current transmission line engineering, the large-section lead transmission line construction climax of a new round will be brought, new technical requirement is proposed for existing stretching equipment, make it in construction stringing, play prior effect, the stretching equipment of little tonnage can not meet 1250mm
2and 1520mm
2large-section lead unfolding needs, consider the factor reducing unit in charge of construction's equipment overlapping investment, meet the principle of different size wire according to same specification stretching equipment, meanwhile, the requirement of electrical network construction stringing to equipment is also more and more higher, single tension stringing is also difficult to the requirement meeting multiple occasion operation, handling is poor, and automaticity is low, often occurs dragging thick stick holding capacity inadequate when trailer moves ahead, trailer is comparatively large to the impulsive force of stretching equipment, causes the damage of some device.Therefore, its improvement and bring new ideas industry is imperative.
Utility model content
The utility model, in order to solve weak point of the prior art, provides a kind of large-tonnage stretching all-in-one being easy to manipulate, automaticity is high, stretching power is large, trailer is safe and reliable.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: large-tonnage stretching all-in-one, comprise frame, frame is provided with toe-out wheels, posttension wheels, engine, hydraulic drive checking brake and electric control system, road wheel is provided with bottom frame, frame front and back end is respectively equipped with telescopic front leg strut and rear support leg, Power Drive Unit is in transmission connection with toe-out wheels and posttension wheels respectively by gear reduction brake apparatus, described frame is also provided with the winding displacement support being positioned at posttension wheels rear, winding displacement pedestal upper end level is provided with winding displacement pipe, winding displacement pipe is arranged with winding displacement roller, winding displacement pipe is provided with the spacing pin being positioned at winding displacement roller two ends, frame rear end is provided with bracing frame, bracing frame is provided with the backing roll parallel with winding displacement roller, frame rear end bottom is provided with bracket, bracket is made up of the rectangle frame of front portion and the triangle frame at rear portion, bracket front end is provided with fixed block, in fixed block, level is equipped with guide rod, guide rod front end is provided with adjusting nut and limits the alignment pin of adjusting nut position, guide rod rear end is provided with draw ring, draw ring and adjusting nut lay respectively at rear side and the front side of fixed block, guide rod is equipped with the Compress Spring between adjusting nut and fixed block, toe-out wheels lower front is provided with tail rope clamping device.
Described Power Drive Unit comprises diesel fuel tanks and engine, and engine is between winding displacement support and bracing frame, and diesel fuel tanks is located at below engine.
Described gear reduction brake apparatus comprises hydraulic oil container, radiator, hydraulic valve piece, hydraulic pump and has the motor reducer of braking function, the power intake of hydraulic pump is connected with driving engine by flexible clutch, the oil-in of hydraulic pump is connected with the oil-out of hydraulic oil container, the oil-out of hydraulic pump is connected with the oil-in of motor reducer, the oil-out of motor reducer is connected with the oil return opening of hydraulic oil container, and the clutch end of motor reducer is in transmission connection respectively by gear drive and toe-out wheels and posttension wheels.
Described electric control system is formed primarily of PLC and peripheral circuit, and electric control system is connected with the operation board being positioned at frame sidepiece.
Adopt technique scheme, the utility model has following beneficial effect:
1, the race lower circumference diameter of toe-out wheels and posttension wheels is more than or equal to 1700mm, and the race diameter of toe-out wheels and posttension wheels is more than or equal to 45mm, and can to unfold maximum gauge be 45mm(maximum secting area is 1520mm
2) steel wire rope, completely meet unfolding large-section lead technological requirement, tail rope clamping device is hydraulic cylinder, adopt hydraulic pressure as power, be easy to manipulation, automaticity is high.
2, bracket is for being connected to motor vehicle, and it is larger that the rectangle frame of bracket and triangle frame can bear pulling force, plays the effect pulling carrying stretching equipment more safely and reliably.
3, winding displacement roller and backing roll play and are sent to the effect on reel backward by being wrapped in steel wire rope on toe-out wheels and posttension wheels, and the layout of winding displacement roller and backing roll makes security reliability better.
4, engine can realize powerful power drive.
5, hydraulic pump adopts German woods moral variable pump, hydraulic motor adopts German BOSCH-REXROTH hydraulic motor, composition double loop hydraulic drive system, advanced technology, saves that power, transmission efficiency are high, reliable in quality.Reductor adopts Italian RR decelerator, compact conformation, reliable in quality.Friction disk type wet brake is integrated in motor speed reducer, can avoid regular maintenance.Spring braking, hydraulic pressure discharges, and easy and simple to handle, the reaction time is short, can realize gapless braking, safe and reliable.Each hydraulic filter is equipped with by-pass valve, with protection system under stopped status from damage.
6, the effect that the power match that electric control system plays monitoring and controls engine condition, hydraulic system and engine controls, shows machine running status.Operation board is operation board.
The utility model is a kind of power construction machinery of Large Efficient, and its overall performance is good, and the configuration of major function part is high, and the margin of power is large, and payingoff speed is fast, of many uses.Be mainly used in unfolding various wire, optical cable and pull rope.Mountain area can be met, undulating topography 1000KV eight divides JL/G2A-1250 and with the showing and placing of the tension of lower wire; The optical cables such as OPGW or AESS are at the showing and placing of the tension of various landform; The showing and placing of the tension of 1000KV pull rope under various landform and instead to lead; Four 1000KV eight that can meet level land landform divide JL/G2A-1250 and with the showing and placing of the tension of lower wire.Thus greatly can improve efficiency of construction, automaticity also improves greatly, and the high safety of construction, labour intensity is low.
The utility model can unfold simultaneously or draw two wires, and every root wire tension or tractive effort can regulate separately, and intuitively show from Pressure gauge.Also one can lead take-up on the contrary, another phase realizes stopping or tension stringing.The maximum interruption tension force of stretching all-in-one of the present utility model can reach 2 × 100kN, and maximum continued tension can reach 2 × 90kN, and meanwhile, maximum interruption tractive effort can reach 2 × 100kN, and maximum tractive effort at continuous rating also can reach 2 × 90kN, and is applicable to maximum 1520mm
2large-section lead.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, large-tonnage stretching all-in-one of the present utility model, comprise frame 1, frame 1 is provided with toe-out wheels 2, posttension wheels 3, engine 4, hydraulic drive checking brake and electric control system 20, road wheel 5 is provided with bottom frame 1, frame 1 front and back end is respectively equipped with telescopic front leg strut 6 and rear support leg 7, Power Drive Unit is in transmission connection with toe-out wheels 2 and posttension wheels 3 respectively by gear reduction brake apparatus, frame 1 is also provided with the winding displacement support 8 being positioned at posttension wheels 3 rear, winding displacement support 8 upper end level is provided with winding displacement pipe 9, winding displacement pipe 9 is arranged with winding displacement roller 10, winding displacement pipe 9 is provided with the spacing pin 21 being positioned at winding displacement roller 10 two ends, frame 1 rear end is provided with bracing frame 11, bracing frame 11 is provided with the backing roll 12 parallel with winding displacement roller 10, frame 1 rear end lower is provided with bracket 13, bracket 13 is made up of the rectangle frame of front portion and the triangle frame at rear portion, bracket 13 front end is provided with fixed block 22, in fixed block 22, level is equipped with guide rod 23, guide rod 23 front end is provided with adjusting nut 24 and limits the alignment pin 25 of adjusting nut 24 position, guide rod 23 rear end is provided with draw ring 26, draw ring 26 and adjusting nut 24 lay respectively at rear side and the front side of fixed block 22, guide rod 23 is equipped with the Compress Spring 27 between adjusting nut 24 and fixed block 22, toe-out wheels 2 lower front is provided with tail rope clamping device 14.
Power Drive Unit comprises diesel fuel tanks 19 and engine 4, and engine 4 is between winding displacement support 8 and bracing frame 11, and diesel fuel tanks 19 is located at below engine 4.
Gear reduction brake apparatus comprises hydraulic oil container 15, radiator 16, hydraulic valve piece, hydraulic pump 17 and the motor reducer 18 with braking function, the power intake of hydraulic pump 17 is in transmission connection by flexible clutch and engine 4, the oil-in of hydraulic pump 17 is connected with the oil-out of hydraulic oil container 15, the oil-out of hydraulic pump 17 is connected with the oil-in of motor reducer 18, the oil-out of motor reducer 18 is connected with the oil return opening of hydraulic oil container 15, the clutch end of motor reducer 18 is in transmission connection respectively by gear drive and toe-out wheels 2 and posttension wheels 3.
Electric control system 20 is formed primarily of PLC and peripheral circuit, and electric control system 20 is connected with the operation board being positioned at frame 1 sidepiece.
Adopt technique scheme, the utility model has following beneficial effect:
1, the race lower circumference diameter of toe-out wheels 2 and posttension wheels 3 is more than or equal to 1700mm, and the race diameter of toe-out wheels 2 and posttension wheels 3 is more than or equal to 45mm, and can to unfold maximum gauge be 45mm(maximum secting area is 1520mm
2) steel wire rope, completely meet unfolding large-section lead technological requirement, tail rope clamping device 14 be hydraulic cylinder, adopt hydraulic pressure as power, be easy to manipulate, automaticity is high.
2, the draw ring 26 of bracket 13 rear end is for being connected to motor vehicle, and it is larger that the rectangle frame of bracket 13 and triangle frame can bear pulling force, plays the effect pulling carrying stretching equipment more safely and reliably.Compress Spring 27 plays the effect cushioned on crankcase ventilaton, avoids too quickly some parts to the machine of pulling force impact and damage.Adjusting nut 24 is for regulating the effect of the tensile force of Compress Spring 27.
3, winding displacement roller 10 and backing roll 12 play and are sent to the effect on reel backward by being wrapped in steel wire rope on toe-out wheels 2 and posttension wheels 3, and the layout of winding displacement roller 10 and backing roll 12 makes security reliability better.
4, engine 4 can realize powerful power drive.
5, hydraulic pump 17 adopts German woods moral variable pump, hydraulic motor adopts German BOSCH-REXROTH hydraulic motor, composition double loop hydraulic drive system, advanced technology, saves that power, transmission efficiency are high, reliable in quality.Reductor adopts Italian RR decelerator, compact conformation, reliable in quality.Friction disk type wet brake is integrated in motor speed reducer, can avoid regular maintenance.Spring braking, hydraulic pressure discharges, and easy and simple to handle, the reaction time is short, can realize gapless braking, safe and reliable.Each hydraulic filter is equipped with by-pass valve, with protection system under stopped status from damage.
6, the effect that the power match that electric control system 20 plays monitoring and controls engine 4 state, hydraulic system and engine 4 controls, shows machine running status.Operation board is operation board.
The utility model is a kind of power construction machinery of Large Efficient, and its overall performance is good, and the configuration of major function part is high, and the margin of power is large, and payingoff speed is fast, of many uses.Be mainly used in unfolding various wire, optical cable and pull rope.Mountain area can be met, undulating topography 1000KV eight divides JL/G2A-1250 and with the showing and placing of the tension of lower wire; The optical cables such as OPGW or AESS are at the showing and placing of the tension of various landform; The showing and placing of the tension of 1000KV pull rope under various landform and instead to lead; Four 1000KV eight that can meet level land landform divide JL/G2A-1250 and with the showing and placing of the tension of lower wire.It is pointed out that above-mentioned PLC control technology is technology well known to those of ordinary skill in the art.
Electric control system 20 of the present utility model can achieve following functions:
One, engine 4 condition monitoring and control
PLC carries out by bus and engine 4 status data that communication obtains engine 4.Dynamic Announce is out over the display, and is provided with alarm region, when showing numerical value and reaching alarm region, and display alarm.
The voltage signal that throttle potentiometer or remote control grip provide is to controller, and rotating speed of target is sent to engine 4 by bus by controller, and then passes through the rotating speed of bus marco engine 4.
Engine 4 is anxious stops back idle speed control, and when suddenly stopping pressing, engine 4 does not stop working, to prevent flame-out damage engine 4 at a high speed; The signal that scram button provides simultaneously delivers to controller, and idling speed is sent to engine 4 by bus by controller, and then controls the rotating speed of engine 4.
Two, the power match of hydraulic system and engine 4 controls
Control system, according to the rotation speed change of present engine 4, judges the stall situation of engine 4 rotating speed.If stall is excessive, then the automatic regulated variable pump delivery of control system, reduces the absorbed power of pump, the power output of engine 4 and bearing power is matched, and ensures that engine 4 is in best operating state.
When there is the mistake year suddenly of unexpected engine 4, engine 4 reduces rotating speed automatically, and protection engine 4 does not exceed the speed limit.
Three, complete machine hydraulic system action control
System is divided manually and automatic mode, and manual automatic mode manually, automatic switch selects.Hydraulic system cooling fan controls automatically, when hydraulic oil temperature is higher than 35 DEG C, and controller output signal, fan turns, hydraulic oil radiator 16 works; When hydraulic oil temperature is lower than 30 DEG C, controller output signal, stopping fan rotation; Can avoid forgetting due to operator and open fan, cause High Temperature in Hydraulic System, damage Hydraulic Elements.
Four, hydraulic system condition monitoring, to machine running status display, important parameter sets, and failure condition shows and writing function in real time.
Five, system safety protection
Traction overload protection, reversal protection, the protection of engine 4 power limit, system acting interlocking.Under traction state, pre-tune switch is invalid.Prevent under traction state, the pre-tune switch of misoperation, causes lock of controller.Traction handle action and tail rope clamping device 14 action interlock.
The utility model in use, power is passed to hydraulic pump 17 by engine 4, hydraulic pump 17 drives toe-out wheels 2 by motor reducer 18 by gear transmission structure, posttension wheels 3 rotates, and toe-out wheels 2 and posttension wheels 3 drive the pull rope be wrapped on toe-out wheels 2 and posttension wheels 3 to carry out line laying work.When needs transport, after front leg strut 6 and rear support leg 7 being folded, bracket is connected to the traction end of tractor, realizes the dragging transport of stretching equipment like this.
Claims (4)
1. large-tonnage stretching all-in-one, comprise frame, frame is provided with toe-out wheels, posttension wheels, engine, hydraulic drive checking brake and electric control system, road wheel is provided with bottom frame, frame front and back end is respectively equipped with telescopic front leg strut and rear support leg, Power Drive Unit is in transmission connection with toe-out wheels and posttension wheels respectively by gear reduction brake apparatus, it is characterized in that: described frame is also provided with the winding displacement support being positioned at posttension wheels rear, winding displacement pedestal upper end level is provided with winding displacement pipe, winding displacement pipe is arranged with winding displacement roller, winding displacement pipe is provided with the spacing pin being positioned at winding displacement roller two ends, frame rear end is provided with bracing frame, bracing frame is provided with the backing roll parallel with winding displacement roller, frame rear end bottom is provided with bracket, bracket is made up of the rectangle frame of front portion and the triangle frame at rear portion, bracket front end is provided with fixed block, in fixed block, level is equipped with guide rod, guide rod front end is provided with adjusting nut and limits the alignment pin of adjusting nut position, guide rod rear end is provided with draw ring, draw ring and adjusting nut lay respectively at rear side and the front side of fixed block, guide rod is equipped with the Compress Spring between adjusting nut and fixed block, toe-out wheels lower front is provided with tail rope clamping device.
2. large-tonnage stretching all-in-one according to claim 1, it is characterized in that: described Power Drive Unit comprises diesel fuel tanks and engine, engine is between winding displacement support and bracing frame, and diesel fuel tanks is located at below engine.
3. large-tonnage stretching all-in-one according to claim 2, it is characterized in that: described gear reduction brake apparatus comprises hydraulic oil container, radiator, hydraulic valve piece, hydraulic pump and the motor reducer with braking function, the power intake of hydraulic pump is connected with driving engine by flexible clutch, the oil-in of hydraulic pump is connected with the oil-out of hydraulic oil container, the oil-out of hydraulic pump is connected with the oil-in of motor reducer, the oil-out of motor reducer is connected with the oil return opening of hydraulic oil container, the clutch end of motor reducer is in transmission connection respectively by gear drive and toe-out wheels and posttension wheels.
4. the large-tonnage stretching all-in-one according to claim 1 or 2 or 3, is characterized in that: described electric control system is formed primarily of PLC and peripheral circuit, and electric control system is connected with the operation board being positioned at frame sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420589016.6U CN204205410U (en) | 2014-10-13 | 2014-10-13 | Large-tonnage stretching all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420589016.6U CN204205410U (en) | 2014-10-13 | 2014-10-13 | Large-tonnage stretching all-in-one |
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| Publication Number | Publication Date |
|---|---|
| CN204205410U true CN204205410U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420589016.6U Expired - Fee Related CN204205410U (en) | 2014-10-13 | 2014-10-13 | Large-tonnage stretching all-in-one |
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| Country | Link |
|---|---|
| CN (1) | CN204205410U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044414A (en) * | 2016-07-29 | 2016-10-26 | 河南兰兴电力机械有限公司 | Low-tension penta-division guiding rope paying-off device |
| 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 |
| CN110970834A (en) * | 2019-10-22 | 2020-04-07 | 国网四川省电力公司 | Transmission line tension machine for evaluating bearing capacity of construction enterprise |
-
2014
- 2014-10-13 CN CN201420589016.6U patent/CN204205410U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044414A (en) * | 2016-07-29 | 2016-10-26 | 河南兰兴电力机械有限公司 | Low-tension penta-division guiding rope paying-off device |
| 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 |
| CN110970834A (en) * | 2019-10-22 | 2020-04-07 | 国网四川省电力公司 | Transmission line tension machine for evaluating bearing capacity of construction enterprise |
| CN110970834B (en) * | 2019-10-22 | 2021-04-02 | 国网四川省电力公司 | Transmission line tension machine for evaluating bearing capacity of construction enterprise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20171013 |