CN104712170A - Portable temporary righting device for inclination of power transmission line pole and tower - Google Patents
Portable temporary righting device for inclination of power transmission line pole and tower Download PDFInfo
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- CN104712170A CN104712170A CN201510121889.3A CN201510121889A CN104712170A CN 104712170 A CN104712170 A CN 104712170A CN 201510121889 A CN201510121889 A CN 201510121889A CN 104712170 A CN104712170 A CN 104712170A
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Abstract
A portable temporary righting device for inclination of a power transmission line pole and tower comprises a rack, a line collecting reel is installed on one side of the rack, a rope is wound around the line collecting reel, a line clamping groove is formed in one end of the line collecting reel, and a ratchet wheel mechanism is arranged at the other end of the line collecting reel, wherein the ratchet wheel mechanism and the line collecting reel coaxially rotate. Pawls and reversing deflector rods are arranged on the rack. A guiding pulley is installed on the other side of the rack, a conical shaft and big gears are installed on the rack and rotate coaxially, and the big gears and a gear set are assembled in a meshed mode. A balance weight disc connected with the gear set is installed on the rack and connected with a pedal through a connecting rod, and the balance weight disc, the connecting rod and the pedal form a crank and rocker mechanism. The portable temporary righting device can temporarily right the pole and tower and prepare time for permanent reinforcement of the pole and tower; operation can be achieved only through manpower, and the portable temporary righting device is applied to finding inclination of the pole and tower in time and temporarily righting the pole and tower in time, and also suitable for pole and tower emergency maintenance engineering in remote mountain regions or pole and tower emergency maintenance engineering where the pole and tower in inclination can not be temporarily righted unless depending on labor.
Description
Technical field
The interim erection device of a kind of portable inclination of transmission line tower of the present invention, belongs to the operating maintenance construction field of high-voltage testing room.
Background technology
Along with Electricity Demand continues to increase, electrical network scale expands rapidly, more and more higher to the requirement of transmission line of electricity safe operation.But in transmission line of electricity actual motion, frequently there will be circuit corner shaft tower structures slope after stringing and exceed standard, entirety rolls oblique situation to interior angle, thus causes shaft tower to tilt.Meanwhile, due to circuit, general institute is comparatively complicated through area, under long-term natural environment and external condition effect, circuit is through adopting sky (space discarded after mining) area, and often have hurricane, re-cover the extreme meteorological area such as ice, can progressively there is the phenomenons such as slippage, inclination, sedimentation, cracking in pole and tower foundation, thus shaft tower also can be caused to tilt.The inclination of this shaft tower can cause down the generation of the serious electrical network disaster accident such as tower, broken string.During shaft tower run-off the straight, bringing potential safety hazard for avoiding normally running to transmission line of electricity, interim righting process must be carried out to inclination steel tower.
For the inclination of electric power line pole tower, work current both at home and abroad mainly concentrates on sinks according to shaft tower gene basis respectively and causes basis to raise the corresponding permanent reinforcement measures specifically of reason proposition such as value control is improper, bolton is inadequate, proposes to set the devices such as bracing wire, herringbone holding pole, zipper calabash by shaft tower righting during the Iron tower incline caused as gene basis sinking.But these permanent reinforcement measure required times are long, do not consider the interim righting of shaft tower, to solve due to situation about being pressed for time or preparation of construction is too difficult.
Summary of the invention
In order to give permanent reinforcement time of shaft tower, being convenient in remote mountain areas simultaneously, being difficult to carry out the emergent management of temporarily speedily carrying out rescue work under heavy duty work condition of construction.The invention provides the interim erection device of a kind of portable inclination of transmission line tower, can not only the shaft tower of righting temporarily, be the permanent reinforcement time of shaft tower; And only need manpower to operate, be applicable to the tilt Timeliness coverage of interim righting of shaft tower and process in time, be also applicable to remote mountain areas or only can rely on manually complete shaft tower and to tilt the shaft tower salvaging of interim righting.
The technical solution adopted in the present invention is:
The interim erection device of a kind of portable inclination of transmission line tower, comprise frame, frame side is provided with line concentration reel, line concentration reel is wound with rope, line concentration reel one end is provided with cable clamping interface, the line concentration reel other end is provided with the ratchet mechanism with line concentration reel coaxial rotation, and frame is provided with ratchet, commutation driving lever.Frame opposite side is provided with leading block, frame is provided with the diminished shaft of coaxial rotation, gear wheel, and gear wheel engages with gear train and assembles.Frame is provided with the balancing disk be connected with gear train, balancing disk is connected with pedal by connecting rod, and balancing disk, connecting rod, pedal form crank and rocker mechanism.
Described frame is provided with ratchet by gripper shoe, and the ratchet other end is provided with commutation driving lever, and commutation driving lever is in locking or releasing orientation for controlling ratchet mechanism.
Described frame two ends are provided with the otic placode having installed shackle.
The median plane of described leading block aligns with the median plane of diminished shaft.
Described line concentration reel is processed with grooving.
Described rope is high-molecular polythene rope.
A kind of rope strand mill cord reeling method, comprises the following steps:
Step 1: rope through leading block, is involved in angle by leading block adjustment rope, makes it be in diminished shaft centre position all the time on diminished shaft;
Step 2: rope is wound around 4-6 circle left and right in advance on diminished shaft, to ensure suitable cornerite;
Step 3: cable end is wound on line concentration reel after diminished shaft lays out again, and ensures the allowance having 4-6 to enclose on line concentration reel;
Step 4: after cable end lays out, through cable clamping interface, and is fixed in cable clamping interface by cable end, to reach the object of locking cable end;
Step 5: adopt diminished shaft to carry out the take-up of strand mill to rope, tramp with one's feet Pedalling, input torque, after crank and rocker mechanism, gear reduction deceleration increase square, drive gear wheel, gear wheel and diminished shaft coaxial rotation, produce moment of friction by the frictional force between diminished shaft and rope, rope, by transmitting rear overcome friction square thus driving diminished shaft, is involved in by input torque; The rope other end is then slack list, and the rope rolled out then by rotating line concentration reel, by the rope of slack list around entering, is wound up on line concentration reel; Meanwhile, the other end of line concentration reel is provided with the ratchet mechanism with line concentration reel coaxial rotation, to realize the real-time reverse locking of line concentration reel;
Step 6: the ratchet other end is provided with commutation driving lever, is in control ratchet mechanism the state that locking still unclamps, realizes two kind energy of take-up and unwrapping wire.
In step 4, after cable end lays out, through cable clamping interface, holding screw is adopted to be fixed in cable clamping interface by cable end, to reach the object of locking end.
A kind of interim righting method of inclination of transmission line tower, rope, according to concrete livewire work step, is fastened on the cross-arm of shaft tower by livewire work personnel; According to shaft tower laterally, longitudinal deflection situation, the position of the interim erection device of dynamic conditioning inclination of transmission line tower, workman tramps with one's feet Pedalling, by the pulling force produced at rope, horizontal, the fore-and-aft tilt of shaft tower is adjusted.
The interim erection device of a kind of portable inclination of transmission line tower of the present invention, technique effect is as follows:
1), rope selects high-molecular polythene rope, and its intensity is the highest in artificial synthetic fiber, and intensity can reach 1.5 times of same specification steel wire, and its elongation rate is very low, quality comparatively light, the small volume of wire rope, is easy to carry.
2), rope through leading block, on diminished shaft, be involved in angle by leading block adjustment rope, make it be in diminished shaft centre position all the time, prevent larger angle of deviation.Rope can be reduced like this around fashionable angle excursion, effectively reduce the wearing and tearing of rope.
3), after rope is wound around multi-turn in advance on diminished shaft, to ensure suitable cornerite (cornerite is about 360 °).Prevent in frictional drive process, due to load excessive time skid, cornerite also should be avoided excessive, cause frictional resistance to rotate greatly and not easily very much.
4), on line concentration reel, the allowance of multi-turn is had, to meet reliability requirement.Ensure that design needs the rope of length can be wrapped in well on line concentration reel.
5), the other end of line concentration reel is provided with the ratchet mechanism with line concentration reel coaxial rotation, to realize the real-time reverse locking of reel, avoids because load is excessive, and mechanism's reversion is injured workman.
6), the two ends of frame are provided with the otic placode having installed shackle, when load is larger, need to adopt the mode of making drill rod to be fixed on the ground by whole device.
7), transmission system of the present invention is divided into two parts, combined by gear drive and crank and rocker mechanism.Because the power of pedaling of foot muscles is much larger than arm muscles torsion and pulling force, the power of pedaling of pin is adopted to drive pedal (being namely equivalent to the rocking bar of crank and rocker mechanism) in the present invention, by power transmission to balancing disk (being also crank) simultaneously, pinion and crank coaxial rotation in gear train, therefore by power transmission to gear reduction, the effect of square can be increased to reach to slow down.In its transmission system, the rocking bar in crank and rocker mechanism can play leverage simultaneously, and the rocking bar of crank and rocker mechanism and crank also form leverage.
8), adopt in the present invention pinion to drive gear wheel, foot-operatedly adopt lever principle, wherein gear wheel end, foot rest etc. are fixed with nut, detachable to alleviate labor strength in handling process.The taper design of diminished shaft should be appropriate, to ensure that high-molecular polythene rope can arrange in order on the conical surface, and can not be mutually stacking.Theoretical according to frictional drive, in fact diminished shaft is equivalent to a friction pulley, by rope is wound around a few circle in advance on diminished shaft, the traction that can be rope provides enough frictional force, can will overcome the tension force acting directly on end, be converted into the moment of friction that overcomes rope and diminished shaft thus drive rope, namely input torque only needs the moment of friction that overcomes because rope produces on diminished shaft, and rope can be driven around entering.Adopt such combination, can not only meet and bear compared with heavy load and collect bracing wire apart from large functional requirement, and enormously simplify apparatus structure, alleviate device deadweight, and detachable, be convenient to workers carry, be adapted to very much the manual work environment of remote mountain areas, or only can rely on manually complete shaft tower tilt interim righting shaft tower salvaging, achieve real manual operation.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of apparatus of the present invention.
Fig. 2 is the rack construction schematic diagram of apparatus of the present invention.
Fig. 3 is the diminished shaft structural representation of apparatus of the present invention.
Fig. 4 is the line concentration reel structure schematic diagram of apparatus of the present invention.
Fig. 5 is the gear wheel structural representation of apparatus of the present invention.
Fig. 6 is the pinion structure schematic diagram of apparatus of the present invention.
Fig. 7 is the ratchet structure schematic diagram of apparatus of the present invention.
Fig. 8 is embodiment Zhong Mou city 500kV line linear shaft tower force analysis figure.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 7, the interim erection device of a kind of portable inclination of transmission line tower, comprise frame 1, frame 1 side is provided with line concentration reel 7, line concentration reel 7 is wound with rope, line concentration reel 7 one end is provided with cable clamping interface 6, and line concentration reel 7 other end is provided with the ratchet mechanism 10 with line concentration reel 7 coaxial rotation, and frame 1 is provided with ratchet 9, commutation driving lever 8.Frame 1 opposite side is provided with leading block 2, frame 1 is provided with the diminished shaft 3 of coaxial rotation, gear wheel 4, gear wheel 4 and gear train, gear train comprises 1 gear wheel, 3 pinions, pinion and the gear wheel of close diminished shaft belong to coaxial rotation, and away from pinion and the gear drive of gear wheel formation of diminished shaft, its gearratio is 3, take pinion as driving gear, effectively can reduce by 3 times of driving moments.Frame 1 is provided with the balancing disk 12 be connected with gear train, balancing disk 12 is connected with pedal 11 by connecting rod 13, and balancing disk 12, connecting rod 13, pedal 11 form crank and rocker mechanism.
Described frame 1 is provided with ratchet 9 by gripper shoe, and ratchet 9 other end is provided with commutation driving lever 8, and commutation driving lever 8 is in locking or releasing orientation for controlling ratchet mechanism 10.Described frame 1 two ends are provided with the otic placode having installed shackle.
The median plane of described leading block 2 aligns with the median plane of diminished shaft 3.
Described line concentration reel 7 is processed with grooving, rope order can be arranged on line concentration reel 7.Also the allowance having multi-turn on line concentration reel 7 must be ensured, to meet reliability requirement in construction usage process.
Described rope is high-molecular polythene rope.
High-molecular polythene rope is through after leading block 2, acted on by the centering of leading block 2, its direction is adjusted to and bores perpendicular direction, the end with diminished shaft 3, namely leading block 2 median plane aligns with diminished shaft 3 median plane, be wound around on diminished shaft 3 again 4-6 circle, to ensure enough cornerites, prevent in frictional drive process due to load excessive time skid, also cornerite should be avoided excessive, cause frictional resistance to rotate greatly and not easily very much.
In work progress, to be tramped with one's feet Pedalling 11 by workman, after crank and rocker mechanism and two-stage gear reduction slow down increasing square, drive second level gear wheel, gear wheel 4 and diminished shaft 3 coaxial rotation, produce moment of friction by the frictional force between diminished shaft 3 and rope, rope, by transmitting rear overcome friction square thus driving diminished shaft 3, is involved in by input torque.So driving moment only needs to overcome high-molecular polythene rope and acts on moment of friction on diminished shaft 3, can be involved in high-molecular polythene rope, greatly reduce input torque, reach labour-saving object; The other end is then slack list, and need the real-time rotating drum of another workman by the rope of slack list around entering, be wound up on line concentration reel 7, end is pinned by cable clamping interface 6.
The other end of line concentration reel 7 is provided with the ratchet mechanism 10 with reel coaxial rotation, to realize the real-time reverse locking of line concentration reel 7, avoids workman in work progress, causes pedal 11 to reverse and to injure workman, improve processing safety because load is excessive.The gearratio of middle gear of the present invention is 3, although reduce transmission speed like this, (be only and do not add 1/3rd of gear), load capacity promotes 3 times, reduces labor strength under equal conditions.
Meanwhile, be provided with and line concentration rotating cylinder 7 coaxial rotation ratchet 10 mechanism, realize the function of take-up limit, limit reverse locking, avoid in workman's work progress, cause because load is excessive pedal 11 to reverse and to injure workman, improve processing safety.
In described ratchet mechanism 10, with ratchet 9 coaxial rotation the driving lever 8 that commutates is installed, when straining excessive, can stir commutation driving lever 8, ratchet 9 is unclamped, line concentration reel 7 is suitably stirred commutation driving lever 8 again after unwrapping wire and is realized real-time locking.
When maximum drawbar pull is larger, need, on otic placode, shackle is installed, high-molecular polythene rope is connected with drill rod through shackle, whole device is fixed on the ground.
Adopt the interim erection device of portable inclination of transmission line tower that such scheme produces, remote mountain areas electric power line pole tower maintenance process can be widely used in, or only can rely on manually complete shaft tower tilt interim righting shaft tower salvaging.In handling process, the gear wheel 4 of device and pedal 11 are all detachable, only need two workmans just can fulfil assignment, do not need extra power equipment in construction works.Through safety verification and dnamic checking, the interim erection device maximum drawbar pull of portable inclination of transmission line tower of the present invention can reach about 100kN.
Verify that the present invention will be described below in conjunction with ANSYS numerical simulation computational analysis and site operation.
With the tangent tower on certain city 500kV circuit for research object, its tower height is 33.4 meters, and cross-arm length is 26.7 meters.This steel tower is owing to bearing compared with uneven loads such as strong wind throughout the year, it is caused to occur more serious shaft tower tilt condition, this shaft tower magnitude of inclination of transit survey is used to draw, there is the deflection of 0.35 meter perpendicular to line direction (transverse direction), occur the deflection of 0.70 meter along line direction (longitudinal direction).
1), numerical simulation computational analysis:
Shaft tower force analysis as shown in Figure 8.Utilize finite element analysis software ANSYS, this model is imported wherein, load and carry out corresponding numerical simulation computational analysis.Simulation analysis draws, by good for completely interim for horizontal, longitudinal deflection of this steel tower righting, needs maximum pulling force to be 82kN.Learn according to simulation result, the interim erection device of inclination of transmission line tower of invention shaft tower tilt interim righting process in there will not be the fracture such as component, rope, and stability is fine.
2), construction test checking:
Specific embodiments is: be first fixed near shaft tower by apparatus of the present invention, ensures security reliability during its interim righting; After fixing this device, high-molecular polythene rope is fastened on the cross-arm of shaft tower according to concrete livewire work step by livewire work personnel; According to shaft tower laterally, longitudinal deflection situation, dynamic conditioning shaft tower tilts the position of interim righting Work tool, and workman tramps with one's feet Pedalling 11, by the pulling force produced at high-molecular polythene rope, horizontal, the fore-and-aft tilt of shaft tower is adjusted.Find that apparatus of the present invention can be finished the work very well, and its firm better performances, the accident such as component, cord break can not occur, and the permanent reinforcement for shaft tower has prepared the sufficient time.
By the verification experimental verification of the numerical simulation modeling analysis of ANSYS and the tangent tower on certain city 500kV circuit, show that this high-voltage transmission line pole tower interim righting Work tool that tilts has good performance, can by interim for the inclination of electric power line pole tower righting, ensure that the normal safe of circuit runs, and it is detachable, measure light taking, in shaft tower maintenance particularly in remote mountain areas, or only can rely on manually complete shaft tower tilt interim righting shaft tower salvaging, both the superior of interim righting performance had been embodied, for permanent reinforcement time, amount is light detachable again, be easy to carry, simple to operate, practical.
Claims (9)
1. the interim erection device of portable inclination of transmission line tower, comprise frame (1), it is characterized in that, frame (1) side is provided with line concentration reel (7), (7) are wound with rope with line concentration reel, line concentration reel (7) one end is provided with cable clamping interface (6), and line concentration reel (7) other end is provided with the ratchet mechanism (10) with line concentration reel (7) coaxial rotation, and frame (1) is provided with ratchet (9), commutation driving lever (8);
Frame (1) opposite side is provided with leading block (2), and frame (1) is provided with the diminished shaft (3) of coaxial rotation, gear wheel (4), gear wheel (4) engages with gear train and assembles;
Frame (1) is provided with the balancing disk (12) be connected with gear train, balancing disk (12) is connected with pedal (11) by connecting rod (13), and balancing disk (12), connecting rod (13), pedal (11) form crank and rocker mechanism.
2. the interim erection device of a kind of portable inclination of transmission line tower according to claim 1, it is characterized in that, described frame (1) is provided with ratchet (9) by gripper shoe, ratchet (9) other end is provided with commutation driving lever (8), and commutation driving lever (8) is in locking or releasing orientation for controlling ratchet mechanism (10).
3. the interim erection device of a kind of portable inclination of transmission line tower according to claim 1 or 2, it is characterized in that, described frame (1) two ends are provided with the otic placode having installed shackle.
4. the interim erection device of a kind of portable inclination of transmission line tower according to claim 1, it is characterized in that, the median plane of described leading block (2) aligns with the median plane of diminished shaft (3).
5. the interim erection device of a kind of portable inclination of transmission line tower according to claim 1, is characterized in that, described line concentration reel (7) is processed with grooving.
6. the interim erection device of a kind of portable inclination of transmission line tower according to claim 1, it is characterized in that, described rope is high-molecular polythene rope.
7. a rope strand mill cord reeling method, is characterized in that comprising the following steps:
Step 1: rope through leading block (2), is involved in angle by leading block (2) adjustment rope, makes it be in diminished shaft (3) centre position all the time on diminished shaft (3);
Step 2: rope is wound around 4-6 circle left and right in advance on diminished shaft (3), to ensure suitable cornerite;
Step 3: cable end is wound on line concentration reel (7) after diminished shaft (3) lays out again, and ensures the allowance having 4-6 to enclose on line concentration reel (7);
Step 4: after cable end lays out, through cable clamping interface (6), and is fixed in cable clamping interface (6) by cable end, to reach the object of locking cable end;
Step 5: adopt diminished shaft (3) to carry out the take-up of strand mill to rope, tramp with one's feet Pedalling (11), input torque, after crank and rocker mechanism, gear reduction deceleration increase square, drive gear wheel (4), gear wheel (4) and diminished shaft (3) coaxial rotation, produce moment of friction by the frictional force between diminished shaft (3) and rope, rope, by transmitting rear overcome friction square thus driving diminished shaft (3), is involved in by input torque; The rope other end is then slack list, and the rope rolled out then by rotating line concentration reel (7), by the rope of slack list around entering, is wound up on line concentration reel (7); Meanwhile, the other end of line concentration reel (7) is provided with the ratchet mechanism (10) with line concentration reel (7) coaxial rotation, to realize the real-time reverse locking of line concentration reel (7);
Step 6: ratchet (9) other end is provided with commutation driving lever (8), is in control ratchet mechanism (10) state that locking still unclamps, realizes two kind energy of take-up and unwrapping wire.
8. a kind of rope strand grinds cord reeling method according to claim 7, it is characterized in that, in step 4, after cable end lays out, through cable clamping interface (6), adopts holding screw cable end to be fixed in cable clamping interface (6), to reach the object of locking end.
9. adopt the shaft tower righting method as the interim erection device of any one inclination of transmission line tower of claim 1 ~ 6, it is characterized in that, rope, according to concrete livewire work step, is fastened on the cross-arm of shaft tower by livewire work personnel; According to shaft tower laterally, longitudinal deflection situation, the position of the interim erection device of dynamic conditioning inclination of transmission line tower, workman tramps with one's feet Pedalling (11), by the pulling force produced at rope, horizontal, the fore-and-aft tilt of shaft tower is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121889.3A CN104712170A (en) | 2015-03-19 | 2015-03-19 | Portable temporary righting device for inclination of power transmission line pole and tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121889.3A CN104712170A (en) | 2015-03-19 | 2015-03-19 | Portable temporary righting device for inclination of power transmission line pole and tower |
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| CN104712170A true CN104712170A (en) | 2015-06-17 |
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| CN201510121889.3A Pending CN104712170A (en) | 2015-03-19 | 2015-03-19 | Portable temporary righting device for inclination of power transmission line pole and tower |
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| CN105140862A (en) * | 2015-09-03 | 2015-12-09 | 国家电网公司 | Power line wind rope fastener |
| CN106368497A (en) * | 2016-10-26 | 2017-02-01 | 青岛智享专利技术开发有限公司 | Electric pole ball cage fixing device |
| CN108824935A (en) * | 2018-06-06 | 2018-11-16 | 深圳市雷凌广通技术研发有限公司 | A kind of stable type communication steel tower |
| CN109867220A (en) * | 2019-03-11 | 2019-06-11 | 三峡大学 | A kind of twin-roll motor-driven grinding mill non-return device and its control method |
| CN111877846A (en) * | 2020-07-31 | 2020-11-03 | 杨星 | Construction method for metal pole tower of high-low voltage transmission line |
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| CN109867220A (en) * | 2019-03-11 | 2019-06-11 | 三峡大学 | A kind of twin-roll motor-driven grinding mill non-return device and its control method |
| CN109867220B (en) * | 2019-03-11 | 2024-01-16 | 三峡大学 | Double-roller motorized wringing mill non-return device and control method thereof |
| CN111877846A (en) * | 2020-07-31 | 2020-11-03 | 杨星 | Construction method for metal pole tower of high-low voltage transmission line |
| CN111877846B (en) * | 2020-07-31 | 2021-11-05 | 山西塔沃电力工程设计有限公司 | Construction method for metal pole tower of high-low voltage transmission line |
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Application publication date: 20150617 |