CN102394482A - Obstacle overcoming mechanism of quadripartition conducting wire walking device of 500kV transmission line - Google Patents

Abstract

The invention relates to an obstacle overcoming mechanism of a quadripartition conducting wire walking device of a 500kV transmission line. A main wheel of the obstacle overcoming mechanism is fixed in a main wheel groove between lower parts of two upright post plates through a main wheel shaft, and a bevel gear set is arranged at one end on the outer side of the main wheel shaft; a main motor is fixed on an upright post close to the outer side, the upper ends of a front swing arm and a back swing arm are hinged with the upright post plates; an auxiliary wheel is fixed in an auxiliary wheel groove of a swing arm through an auxiliary wheel shaft, and an auxiliary motor is fixed on the outer side of the lower end of the swing arm; and a lifting motor and a screw rod are arranged in a sliding block, the lifting motor is connected with the screw rod through a lifting gear set, and two ends of the screw rod are connected with the front swing arm and the back swing arm respectively through screw sleeves and screw sleeve fixing plates arranged in the swing arms. The obstacle overcoming mechanism is high in strength and light in mass; a screw rod swing arm obstacle overcoming conducting wire walking device can smoothly overcome obstacles such as a spacer rod, a shakeproof hammer, a connecting pipe, a linear suspension string and the like; and the obstacle overcoming mechanism can help operating personnel to perform net support continuous gear wiring and defect eliminating, the working efficiency is increased, and the labor intensity is reduced.

Description

The barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear

Technical field

The present invention relates to a kind of barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear, it is to be used for the means of transportation that 500kV transmission line rack is patrolled and examined.

Background technology

At present, it is main with artificial cabling mainly that 500kV transmission line rack is patrolled and examined, and on the part circuit, use the foot-operated lead driving of manpower, but all there are some problem and shortage in these methods.The suspension of first 500kV line conductor is higher, and span is bigger, and modes such as cabling or foot-operated lead driving are adopted in operation, and operating personnel's physical demands is a lot, and particularly operating personnel require great effort more when climbing.Whole transmission of electricity rack patrol and examine with operation process in, operating personnel's labour intensity increases, inefficiency; It two is that the operating personnel can not stand on driving the defective of lead is carried out maintenance activity, and disappearing to lack exists bigger space constraints; It three is that on transmission line, to patrol and examine with operation all be to depend on manpower to accomplish, and tool kind that the operating personnel carries and quantity all are limited, when running into some special circumstances, can not in time solve; It four is operating personnel's cabling or foot-operated lead driving, the operation process less stable, and difficulty and risk are bigger.

Summary of the invention

The objective of the invention is to overcome above-mentioned weak point; Thereby a kind of barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear is provided; Conductor spacer, stockbridge damper, splicing sleeve, straight line in the electrical network barriers such as string that dangle can walked and cross over to this walking mechanism automatically; Help the operating personnel to carry out rack shelves cabling and disappear scarcely continuously, increase work efficiency, reduce labor intensity.

According to technical scheme provided by the invention; The barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear comprises column plate, lifting motor, silk braid, screw mandrel, swing arm, guide wheel shaft, guide wheel, main wheel, front brake roller, back brake roller, stand-by motor, silk braid fixed head, short screw, auxiliary wheel, auxiliary wheel shaft, slide block, lifting tooth wheels, bevel gear set, main axle and main motor; Said main wheel is through in main axle and the main wheel groove of bearing fixing between two column plate bottoms, and the outside one end of main axle is equipped with bevel gear set; Main motor is fixed on the column plate in the outer part, and electric machine main shaft is connected with main axle vertically downward and through bevel gear set; The swing arm upper end is hinged with the column plate before and after two, in the guided wheel slot of front swing arm lower end guide wheel is installed, and guide wheel is installed on the guide wheel shaft; Through auxiliary wheel shaft auxiliary wheel is fixed in the jockey pulley groove of swing arm, stand-by motor is fixed in the swing arm lower outside; Lifting motor and screw mandrel are installed in the slide block, and lifting motor is connected with screw mandrel through the lifting tooth wheels, and the two ends of screw mandrel are connected through silk braid, two swing arms of silk braid fixed head and front and back that are installed in the swing arm middle part respectively; The front and back lever is positioned the arm middle part by rotating shaft, is distributed in the front and back side of arm, and the front brake roller is installed on the lever of front side, and brake roller in back is installed on the rear side lever.

Said guided wheel slot, auxiliary race and main wheel groove center are positioned at the lead top, and on same vertical plane.Said screw mandrel two ends thread rotary orientation is opposite.Said slide block is installed in the middle of the groove that is formed by two blocks of column plates, and it can slide up and down.The said auxiliary wheel shaft outside one end is equipped with shaft coupling.

Compared with present technology the present invention has the following advantages:

Integral material of the present invention adopts the high-strength aluminium magnesium alloy, and intensity is high, and light weight greatly reduces the weight of whole device; Screw mandrel swing arm obstacle detouring lead running gear can be crossed over conductor spacer, stockbridge damper, splicing sleeve, the straight line obstacles such as string that dangle smoothly; Help the operating personnel to carry out rack shelves cabling and disappear scarcely continuously, increase work efficiency, reduce labor intensity.

Description of drawings

Fig. 1 is a structural front view of the present invention.

Fig. 2 is a structure side view of the present invention.

Fig. 3 is user mode figure of the present invention.

Embodiment

Following the present invention will combine the embodiment in the accompanying drawing to further describe:

Fig. 1～shown in Figure 3 comprises column plate 1, lifting motor 2, silk braid 3, screw mandrel 4, swing arm 5, guide wheel shaft 6, guide wheel 7, main wheel 8, front brake roller 9, handle 10, back brake roller 11, stand-by motor 12, silk braid fixed head 13, short screw 14, auxiliary wheel 15, auxiliary wheel shaft 16, slide block 17, lifting tooth wheels 18, bevel gear set 19, main axle 20, long bolt 21, lever 22, gyroaxis 23, arm 24, hanging basket 25 and main motor 26.

The present invention is made up of two groups of main wheel walking mechanisms, two groups of fork elevating mechanisms and two groups of jockey pulley walking mechanisms, and every group of main wheel walking mechanism, fork elevating mechanism, jockey pulley walking mechanism structure are identical.

Every group of main wheel walking mechanism is made up of parts such as two blocks of column plates 1, main wheel 8, main motor 26, bevel gear set 19 and main axles 20.Wherein main wheel 8 is that the outside one end of main axle 20 is equipped with bevel gear set 19 through in main axle 20 and the main wheel groove of bearing fixing between two column plate 1 bottoms.Main motor 25 is fixed on the column plate 1 in the outer part, and electric machine main shaft is connected with main axle 20 vertically downward and through bevel gear set 19.During work, main electrical power rotates and drives main wheel 8 rotations through bevel gear set 19, main axle 20, walks on lead thereby drive whole running gear.

Swing arm 5 is to install one before and after being by mechanism's direct of travel in every group of fork elevating mechanism; Two swing arm 5 upper ends and column plate 1 are hinged; In the race of front swing arm lower end guide wheel 7 is installed, guide wheel 7 is installed on the guide wheel shaft 6 and in the race of rear-swing arm lower end auxiliary wheel 15 is installed; Auxiliary wheel 15 is installed on the auxiliary wheel shaft 16; Said guided wheel slot, auxiliary race and main wheel groove center are positioned at the lead top, and on same vertical plane.Lifting motor 2 is installed in the slide block 17 with screw mandrel 4, and lifting motor 2 is connected with screw mandrel 4 through lifting tooth wheels 18, and screw mandrel 4 two ends thread rotary orientations are opposite.Slide block 17 is installed in the middle of the groove that is formed by two blocks of column plates, and it can be done and slide up and down.The two ends of screw mandrel 4 are connected through silk braid 3, two swing arms 5 of silk braid fixed head 13 and front and back that are installed in the swing arm middle part respectively.

After the lifting motor energising, it drives screw mandrel 4 rotations through the lifting tooth wheels, and swing arm was around the axle core swing of its upper end hole before and after screw mandrel 4 drove through silk braid 3 and silk braid fixed head 13.When two swing arms 5 during simultaneously to lower swing, the guide wheel 7 and the auxiliary wheel 15 of its underpart is pressed on the lead and gradually main wheel 8 lifted, and it can be surmounted obstacles.When two swing arms 5 simultaneously when stretch both sides, guide wheel 7 leaves lead, lifts certain altitude simultaneously, so that surmount obstacles with auxiliary wheel 15.

Every group of jockey pulley walking mechanism is made up of stand-by motor 12, auxiliary wheel 15, auxiliary wheel shaft 16 and shaft coupling; Auxiliary wheel 15 is fixed in the race of swing arm 5 through auxiliary wheel shaft 16, auxiliary wheel shaft 16 outsides one end is equipped with shaft coupling, and stand-by motor 12 is fixed in swing arm 5 lower outside.The effect of jockey pulley walking mechanism is to be lifted need surmount obstacles the time when main wheel 8, and the stand-by motor of jockey pulley walking mechanism gets electric, and its drives auxiliary wheel rotation, thereby moving whole running gear moves ahead.

Lever 22 is positioned arm 24 middle parts by rotating shaft 23, and they are distributed in the front and back side of arm 24, and front brake roller 9 is installed on the preceding lever, and it is to link into an integrated entity through handle 10 that back brake roller 11, two lever tails are installed on the back lever.Arm 24 tops are fixed on the column plate 1 through long spiro nail 21 and short screw 14, and align with it; Front brake roller 9 and back brake roller 11 are installed in the below of main wheel 8 and lead.

Arm 24 tops link to each other with main wheel walking mechanism, fork elevating mechanism, jockey pulley walking mechanism, skidding mechanism, and the bottom is hinged through hinge axis, hanging basket 25 bottom girders, and the most whole walking mechanism connects as one; The hanging basket bottom girder is fixed on the hanging basket bottom; Adjusting rod passes arm middle part aperture, and on montant, its other end is equipped with handwheel to the one of which end by screw in compression, and the advance and retreat through adjusting handle are the angle of may command arm side-sway.

The design of critical piece of the present invention:

1, main wheel

(1) according to the requirement of the speed of travel 20m/min of mechanism; In conjunction with selected electric machine speed regulation scope; The external diameter of confirming driving wheel is

188mm, and endoporus processing keyway is so that transferring power.

(2) the swing situation that fluctuation range that under nature, takes place according to diameter of wire

30mm and lead line-spacing and mechanism take place in walking; Can accurately get back on the lead again after off-line lifts for guaranteeing roller; Race needs certain guiding width, and the thickness of confirming roller is 60mm.

(3) for alleviating the weight of roller, hollow out processing in the roller both sides.

(4) determine the race size according to diameter of wire, the required guiding width of lead and race encapsulate thickness, see shown in Figure 15.

(5) for guarantee that mechanism walk non-sliply on the lead on 15 ° of slopes, carry out the encapsulate processing in the roller groove, the thick 4mm of encapsulate.

2, guide wheel and auxiliary wheel

Because the speed of travel of guide wheel and auxiliary wheel and mechanism does not have direct relation, the height that swing arm is lifted during for the weight of less mechanism and minimizing obstacle detouring is so that the diameter of guide wheel and auxiliary wheel can be got is smaller.According to the size of race and needs that parts such as motor are installed, the diameter of guide wheel and auxiliary wheel selects

115mm.Other requirement is identical with main wheel.Difference of them is that the auxiliary wheel endoporus has keyway.

3, the calculating of main motor current

According to the structure and the designing requirement of running gear, running gear should drive two main wheel respectively by two main motors and roll simultaneously, and the load that each main wheel bears is 100KG.The speed of main wheel walking is V=20mm/min, encapsulate in the main wheel groove, coefficientoffriction=0.25 of it and lead.When maximum inclination alpha=15 of lead °, the required maximum power of running gear is:

Motor torque T=mg cos α * μ * r=100 * 10 * cos15 ° * 0.25 * 0.094=22.7Nm

Motor speed $n=\frac{V}{\mathrm{\π\; d}}=\frac{20}{3.14\×0.188}=34r/\mathrm{Min}$

Then

4, the installation of main motor be connected

Main motor is fixed on the column plate, it through one group of rotating ratio be 2: 1 bevel gear with transmission of power to main axle and drive main wheel walking.

8.3 the calculating of auxiliary motor power

Auxiliary motor power:

Motor torque T=mg * μ * r=100 * 10 * 0.25 * 0.0575=14.38Nm

Select motor speed n=30r/min for use

Then

The calculating of lifting motor power

Lifting motor power:

Feed screw nut's coefficientoffriction=0.65

The screw mandrel path is

10, suffered tensile force f=2 * 1600=3200N

Motor torque T=F * μ * r=1600 * 0.65 * 0.005=5.2Nm

Select motor speed n=80r/min for use

Then

5, the installation of lifting motor be connected

Lifting motor is fixed in the slide block, rotates through a gear set drive screw mandrel.During work, lifting motor moves up and down with swing arm, screw mandrel and slide block.

The used motor of running gear is the planetary gear speed-reduction direct current machine, and this motor output torque is big, and noise is little.Motor is selected lithium iron battery power supply for use, and it is big that this battery is deposited electric weight, moment output current big, safe in utilization, do not explode.

Operation principle of the present invention is:

The operation principle of screw mandrel swing arm obstacle detouring walking mechanism be with about two walking mechanisms be hung on simultaneously on two of conductors on quad bundled reach the standard grade, lead is positioned within the race.During walking, line with main wheel, guide wheel and jockey pulley off-line or only depend on line gets final product.Rotate and walking on line by main driven by motor main wheel.When guide wheel ran into conductor spacer or stockbridge damper, splicing sleeve, straight line in the circuit and dangles obstacle such as string, main motor suspended, and main wheel stops to move ahead.This moment, lifting motor drove screw mandrel work, and screw mandrel rotates the angle that constantly enlarges two swing arms, when the guide wheel raising height of swing arm lower end surpasses obstacle height; Lifting motor quits work; Main motor is resumed work, and drives main wheel and move ahead, and guide wheel is surmounted obstacles.When main wheel ran into the obstacle in the circuit, main motor quit work, and lifting motor is done reverse rotation; Receive the angle of little two swing arms, this moment, main wheel was lifted with the column plate gradually, when the height that lifts when main wheel surpasses the height of barrier; Lifting motor quits work, and the stand-by motor on the auxiliary wheel is started working, and it drives auxiliary wheel and rotates; And promote whole device and move ahead, main wheel is surmounted obstacles.When jockey pulley ran into the obstacle in the circuit, stand-by motor quit work, the similar process of the process of its leaping over obstacles and guide wheel leaping over obstacles; Promptly drive the angle that screw mandrel constantly enlarges swing arm, make main wheel line, when the angle of swing arm expands to a certain degree by lifting motor; The height that auxiliary wheel lifts surpasses the height of barrier; Moved ahead by main driven by motor main wheel, auxiliary wheel surmounts obstacles, and entire mechanism has been accomplished the obstacle detouring process.When mechanism drives in the wrong direction, when its walking and obstacle detouring process and aforementioned identical, difference only are that stand-by motor is worked, install being pushed to become to be dragged and moving ahead when moving ahead.

Claims (5)

1. the barrier getting over mechanism of a 500kV transmission line conductors on quad bundled running gear is characterized in that: comprise column plate (1), lifting motor (2), silk braid (3), screw mandrel (4), swing arm (5), guide wheel shaft (6), guide wheel (7), main wheel (8), front brake roller (9), back brake roller (11), stand-by motor (12), silk braid fixed head (13), auxiliary wheel (15), auxiliary wheel shaft (16), slide block (17), lifting tooth wheels (18), bevel gear set (19), main axle (20) and main motor (26); Said main wheel (8) is through in main axle (20) and the main wheel groove of bearing fixing between two blocks of column plates (1) bottom, and the outside one end of main axle (20) is equipped with bevel gear set (19); Main motor (26) is fixed on the column plate (1) in the outer part, and electric machine main shaft is connected with main axle (20) vertically downward and through bevel gear set (19); Swing arm (5) upper end is hinged with column plate (1) before and after two, and guide wheel (7) is installed in the guided wheel slot of front swing arm lower end, and guide wheel (7) is installed on the guide wheel shaft (6); Auxiliary wheel (15) is fixed in the jockey pulley groove of swing arm (5) through auxiliary wheel shaft (16), stand-by motor (12) is fixed in swing arm (5) lower outside; Lifting motor (2) and screw mandrel (4) are installed in the slide block (17); Lifting motor (2) is connected with screw mandrel (4) through lifting tooth wheels (18), and the two ends of screw mandrel (4) are connected with two swing arms in front and back (5) through silk braid (3), the silk braid fixed head (13) that is installed in the swing arm middle part respectively; Front and back levers (22) are positioned arm (24) middle part by rotating shaft (23), are distributed in the front and back side of arm (24), and front brake roller (9) is installed on the preceding lever, and brake roller (11) in back is installed on the back lever.

2. the barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear as claimed in claim 1,

It is characterized in that: said guided wheel slot, auxiliary race and main wheel groove center are positioned at the lead top, and on same vertical plane.

3. the barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear as claimed in claim 1 is characterized in that: said screw mandrel (4) two ends thread rotary orientation is opposite.

4. the barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear as claimed in claim 1,

It is characterized in that: said slide block (17) is installed in the middle of the groove that is formed by two blocks of column plates, and it can slide up and down.

5. the barrier getting over mechanism of 500kV transmission line conductors on quad bundled running gear as claimed in claim 1,

It is characterized in that: said auxiliary wheel shaft (16) outside one end is equipped with shaft coupling.

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