CN202197049U

CN202197049U - Tool of direct current four-split circuit for live replacement of single V-stringed insulators

Info

Publication number: CN202197049U
Application number: CN2011202406647U
Authority: CN
Inventors: 王肃; 刘洪正; 杨立超; 孟海磊; 郑连勇; 刘兴君; 马玮杰; 乔耀华; 付以贤; 王进; 徐元超
Original assignee: ULTRA-HV Co OF SHANDONG ELECTRIC POWER Corp
Current assignee: State Grid Corp of China SGCC; Maintenance Branch of State Grid Shandong Electric Power Co Ltd
Priority date: 2011-07-10
Filing date: 2011-07-10
Publication date: 2012-04-18
Anticipated expiration: 2021-07-10

Abstract

The utility model discloses a tool of a direct current four-split circuit for live replacement of single V-stringed insulators, which comprises a casing. A cavity is arranged in the casing, four first buffer bars are fixedly installed on the upper portion of the cavity, a first guide bar of each first buffer bar respectively extends out of the casing for installing a traveling motor, and a traveling grooved wheel is installed on an output shaft of the traveling motor and located on the upper front portion of the casing. A positioning device of the tool for replacing the insulators is installed at the back of the casing, the positioning device is hinged with a connection plate, a front line clamp is installed on the connection plate, a lower positioning hook is respectively installed at the right end and the left end of the front line clamp, hook handles of the lower positioning hooks are hinged with the front line clamp which is hinged with one end of an insulation rod, the other end of the insulation rod is fixedly connected with a piston rod of a hydraulic cylinder, the hydraulic cylinder is connected with a rear line clamp, a flip driving motor is installed on a flip hinging seat, and an output shaft of the flip driving motor is connected with hinging shafts of the hinging seat and the connection plate.

Description

Direct current quadripartion circuit charged for replacement list V insulator string instrument

Technical field

The utility model relates to a kind of direct current quadripartion circuit charged for replacement list V insulator string instrument.

Background technology

At present, in the ehv power transmission industry, utilize to have bigger potential safety hazard in the process that has tool belt charged renewal direct current quadripartion circuit list V insulator string now.Its main cause is: utilize existing tool changing insulator string to need at least two staff to cooperate completion, and, because the installation site of insulator is that an end is used iron tower near stringing; The other end is installed and is used iron tower away from stringing, therefore, has at least a staff leaving the stringing iron tower fully; Whole health hangs on and carries out work high above the ground under the situation on the transmission line; Operational security is lower, is prone to take place the transmission line fracture, causes the accident of personnel's long drop injures and deaths.

The utility model content

The purpose of the utility model; Provide a kind of direct current quadripartion circuit charged for replacement list V insulator string instrument; It can move freely on transmission line; Can the ancillary staff accomplish the work of charged for replacement insulator, thereby can avoid the staff to hang on work high above the ground on the transmission line, can fundamentally stop to take place because of the fall accident of injures and deaths of the transmission line fracture personnel that cause.

The purpose of the utility model realizes through following technical scheme: direct current quadripartion circuit charged for replacement list V insulator string instrument; Comprise housing; Offer inner chamber in the housing, four first buffer bars of top fixed installation of inner chamber, first guide post of every first buffer bar stretches out housing movable motor is installed outward; The walking sheave is installed on the output shaft of movable motor, and the walking sheave is positioned at the front upper place of housing; The housing rotation relatively of the back mounting guide rail of housing and traversing driving leading screw, traversing driving leading screw is installed on the guide rail and is laterally moved seat; Laterally moving seat can move along the guide rail straight line, and laterally mobile seat is gone up traversing drive nut is installed, and traversing drive nut is connected with traversing driving threads of lead screw; Traversing driving leading screw is positioned at the inboard of laterally moving seat, and traversing drive motors is installed on the housing, and the output shaft of traversing drive motors is connected with an end of traversing driving leading screw; Laterally move seat and go up the installation gear wheel, the axle of gear wheel is installed pinion, speed changer and rotary drive motor perpendicular to the back side of housing on the housing; Pinion and gear wheel engagement, the axle of pinion is connected with the output shaft of speed changer, and the power shaft of speed changer is connected with the output shaft of rotary drive motor; Swing arm is installed on the gear wheel, dwang is installed in the swing arm, dwang swing arm rotation relatively; The adjustment drive motors is installed in the rear end of swing arm, and the output shaft of adjustment drive motors is connected with the rear end of dwang, and the front end of dwang is installed and stirred hinge seat; Stir hinge seat and be positioned at outside the swing arm, stir hinge seat and connecting plate is hinged, wire clamp before installing on the connecting plate; Respectively be provided with one about on the preceding wire clamp and go up location hook, the right ends of preceding wire clamp is respectively installed a following location hook, and the neck of hook of following location hook and preceding wire clamp are hinged; One end of preceding wire clamp and insulating bar is hinged, and the other end of insulating bar is fixedly connected with the piston rod of hydraulic cylinder, and hydraulic cylinder is connected with the back wire clamp; Stir turn drive motor is installed on the hinge seat, the output shaft of turn drive motor is connected with the hinge axis that stirs hinge seat and connecting plate.

For further realizing the purpose of the utility model; Can also adopt following technical scheme to realize: the bottom of inner chamber is that the center line left-right symmetric is installed two leaping over obstacles supports with the inner chamber axis, and the leaping over obstacles support is connected and composed by U-shaped bearing, connecting rod, supporting seat, second buffer bar, leap roller support and leap roller; The U-shaped bearing vertically is installed in the inner chamber, and the U-shaped bearing is fixedly connected with housing, on the U-shaped bearing rotating shaft is installed; A connecting rod is respectively installed at the two ends of rotating shaft; The rear end of connecting rod is fixedly connected with rotating shaft, and the front end of connecting rod is hinged with the two ends of supporting seat respectively, and second buffer bar is installed on the supporting seat; The second guide post gear wheel of second buffer bar passes supporting seat leap roller support is installed, and crosses over to install on the roller support and crosses over roller; Housing each side offer a groove, groove is corresponding with the leaping over obstacles support; Installation and control case in the inner chamber is installed first motor on the control cabinet, first sprocket wheel and second gear are installed on the output shaft of first motor, and second sprocket wheel is installed in the upper end of the rotating shaft of left side leaping over obstacles support, and second sprocket wheel is connected through first chain with first sprocket wheel; The 3rd gear is installed in the inner chamber, the 3rd gear and second gears engaged, the axle of the 3rd gear is gone up the 4th sprocket wheel is installed, and the 3rd sprocket wheel is installed in the upper end of the rotating shaft of right side leaping over obstacles support, and the 3rd sprocket wheel is connected with the 4th sprocket wheel through second chain; Mounting rod is installed on the top of housing, and the shooting rolling disc is installed on the mounting rod, and the shooting hinge seat is installed on the shooting rolling disc, on the shooting hinge seat camera is installed.The axle of said walking sheave is provided with backstay, and spacing sheave hinge seat is installed in the inner chamber, and spacing sheave hinge seat is fixedly connected with the upper inside wall of housing; On the spacing sheave hinge seat rotation axis is installed; Rotation axis and backstay spatial vertical are installed the lever and first gear on the rotation axis, spacing sheave is installed on the lever; The axle of spacing sheave is gone up limiting plate is installed, and limiting plate is vertical with the shaft space of first buffer bar; The axle of the 3rd gear is gone up first leading screw is installed, and the periphery of first leading screw is installed second nut, and tooth bar and sliding sleeve are installed on second nut; The inner chamber internal fixation is installed slide rail, and slide rail cooperates with sliding sleeve, the tooth bar and first gears engaged; Offer location notch on the limiting plate, location notch is corresponding one by one with backstay.Parallelly in the said inner chamber be provided with two grid spacers, the control cabinet and first motor are between two grid spacers.The lower end of the rotating shaft lower end of said left side leaping over obstacles support and the rotating shaft of right side leaping over obstacles support passes housing respectively a balancing weight respectively is installed outward; The corresponding end of two balancing weights all is an arc surface.Described first buffer bar comprises the first buffer bar housing, offers first on the sidewall of the first buffer bar housing and passes through groove, and first guide post is installed in the first buffer bar housing; The periphery of first guide post is provided with first spacing block set; First spacing block set is provided with first gag lever post, and first gag lever post is positioned at first and passes through groove, and the periphery of first guide post is pacified first spring; One end of first spring contacts with first spacing block set, the preceding end in contact of the other end of first spring and the first buffer bar housing.Described second buffer bar comprises the second buffer bar housing, offers second on the sidewall of the second buffer bar housing and passes through groove, and second guide post is installed in the second buffer bar housing; The periphery of second guide post is provided with second spacing block set; Second spacing block set is provided with second gag lever post, and second gag lever post and second passes through groove and cooperates, and the periphery of second guide post is installed second spring; One end of second spring contacts with second spacing block set, and the other end of second spring contacts with the second buffer bar housing.Before install on the wire clamp and strut drive motors, strut that fixed installation struts the driving leading screw on the output shaft of drive motors, strut and drive leading screw between twice location hooks; Strut to drive to install on the leading screw and strut drive nut; Strut drive nut and drive threads of lead screw and be connected with strutting, one of the each side installation that struts drive nut struts bar, and it is corresponding one by one with following location hook to strut bar; An end that struts bar is with to strut drive nut hinged, and the other end that struts bar is hinged with following location hook.

The good effect of the utility model is: but conductor spacer and stockbridge damper on its fast and stable ground spanning overhead line; Can easily pass straight line pole; On overhead transmission line, there is the object that it is caused obstruction hardly, can really be implemented on the whole overhead transmission line and moves freely, easy to utilize; Have the ability to substitute the artificial back work that hangs on the replacing insulator on the transmission line of accomplishing fully, have advantage safely and efficiently.It not only manipulates safe ready, also has to hang advantage easily.When suspension, the collapsible income of its leaping over obstacles support is changed in the insulator tool housing, the collapsible housing rear portion that closes at of positioner of its replacing insulator instrument and replacing insulator instrument; Make replacing insulator instrument outside except that road wheel and camera, almost not have branch; And road wheel and camera all are higher than all overhead transmission lines in the suspension process, can not twine, thereby; Can effectively prevent when the said replacing insulator instrument of suspension; Its leaping over obstacles support and circuit twine, and avoid occurring both can't normally having hung said replacing insulator instrument, situation about can't take off again.After changing the suspension of insulator instrument and accomplishing, change the insulator instrument and can launch voluntarily, so that stabilized walking on the line.The utility model also has compactness simple for structure, cheap for manufacturing cost and easy to operate advantage.

Description of drawings

Fig. 1 is the structural representation of the said direct current quadripartion of the utility model circuit charged for replacement list V insulator string instrument; Fig. 2 is the backsight structural representation of Fig. 1, has omitted replacing insulator instrument among the figure; Fig. 3 opens in running order structural representation after the exhibition of the said direct current quadripartion of the utility model circuit charged for replacement list V insulator string instrument, has omitted replacing insulator instrument among the figure; Fig. 4 is that the C of Fig. 3 is to structural representation; Fig. 5 is the A-A sectional structure sketch map of Fig. 2; Fig. 6 is the left TV structure sketch map of Fig. 3; Fig. 7 is that the B of Fig. 2 is to structural representation; Fig. 8 is the structural representation of said first buffer bar; Fig. 9 is the structural representation of second buffer bar shown in the figure.

Numerals: a housing 2 cavity three first buffer rod 4 walking sheave 5 positioning rod 6 7 camera mounting rod rotating hinge base plate 8 camera camera 10 9 sheave hinge stopper lever 12, Block 11 first gear 13 limit sheave 14-bit limit plate 15 detents 16 first sprocket 17 second sprocket 18 first chain 19 chain 21 third sprocket 20 second sprocket 22 second gear 23 Fourth third gear 24 first motor 25 control box 26 is positioned bulkhead 27 with weights 28 across the barrier crossing bracket 29 auxiliary rollers 30 roll 31 roll holder 32 supporting base spanning 33 second buffer rod 34 35U-shaped groove bearing 36 lower link 37 upper line 38 Line 39 40 Driving motor 41 shaft 42 first slide screw nut 45 43 44 In the second guide sleeve 46 sliding lateral movement of the drive motor base 47 48 50 rotates the transmission gear 49 gear drive motor 51 drives the motor 53 to adjust the arm 52 54 After the front clamp 55 clamp the insulating rod 56 the hydraulic cylinder 57 rotating lever 61 under 60 the hook 62 sliding drive rod 63 the drive nut 64 traverse driving motor 65 changes the flip hinge mount 66, a first guide rod 67 positioned on the hook plate 68 69 second through slot 70 first limit bump 71 second guide rod 72 second 73 second limit bump stopper lever 74 second spring 75 first buffer rod housing 76 bar housing 77 of the second buffer a first spring 79 through the slot 78 first limit rod 80 distraction drive motor 81 drives the screw 82 distraction distraction distraction rod drive nut 83.

Embodiment

The described direct current quadripartion of the utility model circuit charged for replacement list V insulator string instrument; As shown in Figure 2; It comprises housing 1, offers inner chamber 2 in the housing 1, four first buffer bars 3 of top fixed installation of inner chamber 2; First guide post 66 of every first buffer bar 3 stretches out the housing 1 outer movable motor 40 of installing, and walking sheave 4 is installed on the output shaft of movable motor 40.Hang on the overhead transmission line for conveniently changing the insulator instrument through walking sheave 4, like Fig. 5 and shown in Figure 6, all walking sheaves 4 all are positioned at the front upper place of housing 1.As shown in Figure 2, the bottom of inner chamber 2 is that the center line left-right symmetric is installed two leaping over obstacles supports 28 with inner chamber 2 axis.Like Fig. 2 and shown in Figure 6, each leaping over obstacles support 28 by U-shaped bearing 35, connecting rod 36, supporting seat 32, second buffer bar 33, cross over roller support 31 and cross over roller 30 and connect and compose; U-shaped bearing 35 vertically is installed in the inner chamber 2, and U-shaped bearing 35 is fixedly connected with housing 1, and rotating shaft 39 is installed on the U-shaped bearing 35; A connecting rod 36 is respectively installed at the two ends of rotating shaft 39; The rear end of connecting rod 36 is fixedly connected with rotating shaft 39, and the front end of connecting rod 36 is hinged with the two ends of supporting seat 32 respectively, and second buffer bar 33 is installed on the supporting seat 32; Second guide post 71 of second buffer bar 33 passes supporting seat 32 outer installations and crosses over roller support 31, crosses over to install on the roller support 31 and crosses over roller 30.Housing 1 each side offer a groove 34, groove 34 is corresponding with leaping over obstacles support 28; When connecting rod 36 position as shown in Figure 2 Rotate 180 degree to position shown in Figure 3; The front end of connecting rod 36 can be positioned at groove 34; Thereby maximum possible shifts out second buffer bar 33 and leap roller 30 outside the housing 1; Closely contact with overhead transmission line so that cross over roller 30, the walking of changing the insulator instrument is play the guiding role.Installation and control case 25 in the inner chamber 2 is installed existing control device, storage battery and existing wireless signal transmission and receiving systems such as Programmable Logic Controller in the control cabinet 25, make things convenient for the staff to carry out remote control to changing the insulator instrument on the ground.As shown in Figure 2; First motor 24 is installed on the control cabinet 25; First sprocket wheel 16 and second gear 22 are installed on the output shaft of first motor 24, and the upper end of the rotating shaft 39 of left side leaping over obstacles support 28 is installed second sprocket wheel, 17, the second sprocket wheels 17 and is connected through first chain 18 with first sprocket wheel 16; The 3rd gear 23 is installed in the inner chamber 2; The

3rd gear

23 and 22 engagements of second gear; The axle of the 3rd gear 23 is gone up the 4th sprocket wheel 21 is installed, and the upper end of the rotating shaft 39 of right side leaping over obstacles support 28 is installed the 3rd sprocket wheel 19, the three sprocket wheels 19 and is connected with the 4th sprocket wheel 21 through second chain 20.Staff for ease of ground can understand the situation on the overhead transmission line at any time, accomplishes cleaning work so that the insulator instrument is changed in remote control, and is as shown in Figure 2; Mounting rod 6 is installed on the top of housing 1; Shooting rolling disc 7 is installed on the mounting rod 6, shooting hinge seat 8 is installed on the shooting rolling disc 7, on the shooting hinge seat 8 camera 9 is installed; Camera 9 is hinged with shooting hinge seat 8, the shooting angle of shooting rolling disc 7 and shooting hinge seat 8 rotatable adjustment cameras 9.The back mounting guide rail 45 and the traversing driving leading screw 62 of housing 1, the two ends of traversing driving leading screw 62 respectively are connected with housing 1 through bearing pedestal, housing 1 rotation relatively of traversing driving leading screw 62.Install on the guide rail 45 and laterally move seat 46; Laterally moving seat 46 can move along guide rail 45 straight lines; Laterally move traversing drive nut 63 is installed on the seat 46; Traversing drive nut 63 is threaded with traversing driving leading screw 62, and traversing driving leading screw 62 is positioned at the inboard of laterally moving seat 46, promptly between housing 1 and laterally mobile seat 46.Traversing drive motors 47 is installed on the housing 1, and the output shaft of traversing drive motors 47 is connected with an end of traversing driving leading screw 62, laterally moves gear wheel 51 is installed on the seat 46; The axle of gear wheel 51 is installed pinion 48, speed changer 49 and rotary drive motor 50 perpendicular to the back side of housing 1 on the housing 1, pinion 48 and gear wheel 51 engagements; The axle of pinion 48 is connected with the output shaft of speed changer 49, and the power shaft of speed changer 49 is connected with the output shaft of rotary drive motor 50, and swing arm 53 is installed on the gear wheel 51; Dwang 60 is installed in the swing arm 53, dwang 60 swing arm 53 rotations relatively, adjustment drive motors 52 is installed in the rear end of swing arm 53; The output shaft of adjustment drive motors 52 is connected with the rear end of dwang 60, and the front end of dwang 60 is installed and stirred hinge seat 65, stirs hinge seat 65 and is positioned at outside the swing arm 53; It is hinged with connecting plate 67 to stir hinge seat 65; Wire clamp 55 before installing on the connecting plate 67 respectively is provided with one about on the preceding wire clamp 55 and goes up location hook 68, and the right ends of preceding wire clamp 55 is respectively installed a following location hook 61; The neck of hook of following location hook 61 and preceding wire clamp 55 are hinged; Preceding wire clamp 55 is hinged with an end of insulating bar 57, and the other end of insulating bar 57 is fixedly connected with the piston rod of hydraulic cylinder 56, and hydraulic cylinder 56 is connected with back wire clamp 54; Stir on the hinge seat 65 turn drive motor 64 be installed, the output shaft of turn drive motor 64 with stir the hinge axis of hinge seat 65 and be connected with connecting plate 67.Connecting plate 67, preceding wire clamp 55, back wire clamp 54, hydraulic cylinder 56 and insulating bar 57 connect and compose the insulator instrument of changing.

As shown in Figure 1; Before install on the wire clamp 55 and strut drive motors 80, strut to install to strut on the output shaft of drive motors 80 and drive leading screw 81, strut and drive leading screw 81 between twice location hooks 61; Strut to drive to install on the leading screw 81 and strut drive nut 82; Strut drive nut 82 and drive leading screw 81 and be threaded with strutting, one of the each side installation that struts drive nut 82 struts bar 83, and it is corresponding one by one with following location hook 61 to strut bar 83; An end that struts bar 83 is with to strut drive nut 82 hinged, and the other end that struts bar 83 is hinged with following location hook 61.Strutting drive motors 80 can drive to strut and drive leading screw 81 rotations; Drive leading screw 81 and strut drive nut 82 and cooperate through strutting; Utilization struts bar 83 twice location hooks 61 is strutted or closure; So that adjustment is the position of location hook 61 down, accurately with direct current quadripartion circuit yoke plate on two wire connecting ends be connected and fix.

Change the preceding preparation of insulator string:

Utilize existing lifting machine such as crane that said self-propelled is changed the insulator instrument earlier and hang on the overhead transmission line, change leaping over obstacles support 28 as shown in Figure 2 all the contractions in housing 1 in of insulator instrument this moment and collect, in case twine with circuit.After the sheave 4 of will walking again is hung on the upper layer circuit 37 of overhead transmission line, make upper layer circuit 37 be positioned at the suspension work that walking sheave 4 is promptly accomplished replacing insulator instrument.

After changing insulator instrument suspension completion; Lifting machine still can not be removed, at this moment, and staff's remote control control cabinet 25; Control cabinet 25 controls first motor 24 rotates; First motor 24 rotates through the rotating shaft 39 that first sprocket wheel 16, first chain 18 and second sprocket wheel 17 drive left side leaping over obstacles supports 28 on the one hand, and the rotating shaft 39 of left side leaping over obstacles support 28 drives connected connecting rod 36 position as shown in Figure 2 turnbacks to position shown in Figure 3, will cross over roller 30 and second buffer bar 33 shifts out outside the housing 1; As shown in Figure 3, make and cross over roller 30 and lower floor's circuit 38 contact matching.Walking sheave 4 with cross over roller two places and overhead transmission line contact matching about in the of 30, availablely guarantee machine stabilized walking on overhead transmission line.Leaping over obstacles support 28 can be removed lifting machine after launching, said replacing insulator instrument can be on overhead transmission line independent ambulation.Second buffer bar 33 is always to provide crosses over the pretightning force that roller 30 compresses lower floor's circuit 38, and first buffer bar 3 makes walking sheave 4 tightly bite upper layer circuit 37 for walking sheave 4 provides downward pretightning force.

During replacing, the image remote control control cabinet 25 that the staff takes according to

camera

9,40 rotations of control cabinet 25 control movable motors, movable motor 40 drives walking sheaves 4 and rotates, and moves along overhead transmission line thereby drive replacing insulator instrument.Each walking sheave 4 all is independent ambulation power sources.When near the insulator to be replaced on the circuit; The traversing drive motors 47 of control cabinet 25 control earlier starts; Traversing drive motors 47 drives traversing driving leading screw 62 and rotates; Traversing driving leading screw 62 cooperates with traversing drive nut 63 to make and laterally moves seat 46 and move along guide rail 45 straight lines, so as with swing arm 53 with change the insulator instrument and shift out housing 1 outside; Restart turn drive motor 64, as shown in Figure 9, turn drive motor 64 drive replacing insulator instruments stir hinge seat 65 relatively and turn over turnback; Then, shown in figure 10, start rotary drive motor 50; Rotary drive motor 50 drives pinion 48 through speed changer 49 and rotates, and pinion 48 drives gear wheel 51 and rotates, and gear wheel 51 drives swing arm 53 and rotates; So that will change the insulator instrument delivers near the insulator to be replaced; Start adjustment drive motors 52 simultaneously, adjustment drive motors 52 drives through dwang 60 and stirs hinge seat 65 rotations, makes and changes the top that the insulator instrument is positioned at insulator to be replaced; At last; Start turn drive motor 64; Turn drive motor 64 drives changes the upset of insulator instrument; Make and change the insulator instrument and compress on the insulator to be replaced, with the end away from iron tower of insulator to be replaced, location hook 68 lock on twice location hooks 61 of wire clamp 55 and two before promptly four of the direct current conductors on quad bundled links snap in respectively.Change the end of insulator instrument, fix with insulator string to be replaced through artificial, be about to back wire clamp 54 and be connected fixing with iron tower by the mode of operation of original replacing instrument near the stringing iron tower.To change insulator instrument and insulator to be replaced fixing after; Start the hydraulic cylinder 56 of changing the insulator instrument, hydraulic cylinder 56 passes through the whole replacing insulator instrument of insulating bar 57 pullings and shrinks, and shortens the distance of 54 of preceding wire clamp 55 in back and back wire clamps; Thereby; Make insulator string to be replaced lax, bear the pulling force of transmission line by changing the insulator instrument, thereby carry out the charged for replacement insulator string.

For further accurately controlling locking mechanism and the locking of insulator one end of changing the insulator instrument, on the connecting plate 67 camera can be installed, camera is as the criterion with the position that can accurately take locking mechanism, so that staff's remote operation.

For preventing that further crossing over roller 30 breaks away from lower floor's circuit 38, crosses over the top of roller support 31 help roll 29 is installed.

Change in the traveling process of insulator instrument on overhead transmission line; The mode that walking sheave 4 is crossed over conductor spacer or stockbridge damper is following: first walking sheave 4 that runs into conductor spacer or stockbridge damper at first can upwards lift by relative housing 1 under the effect of conductor spacer or stockbridge damper; Be at this moment; Other walking sheaves 4 still closely are hooked together with circuit, and guaranteeing to change the insulator instrument can firmly be hung on the circuit; After first walking sheave 4 strode across conductor spacer or stockbridge damper, can under the drive of connected first buffer bar 3, reset articulated with circuit again.Second, third moves with the leap that the 4th walking sheave 4 repeats last walking sheave 4 successively.In the process of walking, guarantee a walking sheave 4 all the time when the disengaging circuit does to cross over conductor spacer or stockbridge damper action, other three walking sheaves 4 clench circuit, make replacing insulator instrument keep stable.

Break away from and fall down for further preventing to change insulator instrument and overhead transmission line, like Fig. 2, Fig. 3, Fig. 5 and shown in Figure 6, the axle of said walking sheave 4 is provided with backstay 5; As shown in Figures 2 and 3, spacing sheave hinge seat 10 is installed in the inner chamber 2, spacing sheave hinge seat 10 is fixedly connected with the upper inside wall of housing 1; On the spacing sheave hinge seat 10 rotation axis is installed; Rotation axis and backstay 5 spatial vertical are installed the lever 11 and first gear 12 on the rotation axis, spacing sheave 13 is installed on the lever 11; The axle of spacing sheave 13 is gone up limiting plate 14 is installed, and limiting plate 14 is vertical with the shaft space of first buffer bar 3; The last periphery that first leading screw, 41, the first leading screws 41 are installed of the axle of the 3rd gear 23 is installed second nut, 44, the second nuts 44 and is threaded with first leading screw 41; Tooth bar 70 and sliding sleeve 43 are installed on second nut 44; Inner chamber 2 internal fixation are installed slide rail 42, and slide rail 42 cooperates with sliding sleeve 43 and prevents 44 rotations of second nut, and the tooth bar 70 and first gear 12 mesh; Offer location notch 15 on the limiting plate 14, location notch 15 is corresponding one by one with backstay 5.

When leaping over obstacles support 28 launches; Second gear 22 drives the 3rd gear 23 and rotates; The 3rd gear 23 drives second nut 44 through first leading screw 41 and moves as straight line, makes tooth bar 70 drive first gear 12 and rotates, thereby make spacing sheave 13 upwards rotate 90 degree; Location notch 15 on the limiting plate 14 and backstay 5 be corresponding matching one by one, and spacing sheave 13 cooperates with the sheave 4 of walking upper layer circuit 37 is fixedly clamped up and down.At this moment; Walking sheave 4, spacing sheave 13, limiting plate 14 and housing 1 connect and compose a closed-loop upper layer circuit 37 are firmly locked; Even walking sheave 4 separates with upper layer circuit 37, upper layer circuit 37 still can't be by deviating from the above-mentioned closed-loop, and guaranteeing to change the insulator instrument can be by falling on the overhead transmission line; Avoid changing the insulator instrument crash or the situation of hurting sb.'s feelings and take place, fail safe is higher.

When making leaping over obstacles support 28 closed not can with first motor 24 and control cabinet 25 collisions, guarantee first motor 24 and control cabinet 25 operate as normal.As shown in Figures 2 and 3, parallelly in the said inner chamber 2 be provided with two grid spacers 26, the control cabinet 25 and first motor 24 are between two grid spacers 26.

Stable for the walking of further guaranteeing to change the insulator instrument, to shown in Figure 4, the lower end of rotating shaft 39 lower ends of said left side leaping over obstacles support 28 and the rotating shaft 39 of right side leaping over obstacles support 28 passes housing 1 respectively a balancing weight 27 respectively is installed outward like Fig. 2; Two balancing weights, 27 corresponding ends all are arc surfaces.When leaping over obstacles support 28 launches; Balancing weight 27 makes the center of gravity reach of changing the insulator instrument like Fig. 3 and rotation shown in Figure 4 90 degree, makes the bottom of changing the insulator instrument more closely compress overhead transmission line; Thereby, guarantee to change the stabilized walking of insulator instrument.

Described buffer bar is connected and composed by outer tube, interior bar and back-moving spring, bar and back-moving spring in installing in the outer tube.But interior bar phase outer tube straight line moves, and to change the entire length of buffer bar, bar resetted in back-moving spring can make.Described buffer bar can be substituted by vibration isolator before the existing motorcycle, so that adjust walking sheave 4 and the position of crossing over roller 30 relative housings 1, reaches the purpose of across obstacle when walking on the line.

As shown in Figure 8; Described first buffer bar 3 comprises that offering first on the sidewall of the first buffer bar housing, 75, the first buffer bar housings 75 passes through in groove 77, the first buffer bar housings 75 first guide posts 66 are installed; The periphery of first guide post 66 is provided with first spacing block set 70; First spacing block set 70 be provided with first gag lever post, 79, the first gag lever posts 79 be positioned at first pass through groove 77, the first guide posts 66 periphery pacify first spring 78; One end of first spring 78 contacts with first spacing block set 70, the preceding end in contact of the other end of first spring 78 and the first buffer bar housing 75.First buffer bar 3 applies the pretightning force of stinging tight overhead transmission line through 66 pairs of walkings of first guide post sheave 4.

As shown in Figure 9; Described second buffer bar 33 comprises that offering second on the sidewall of the second buffer bar housing, 76, the second buffer bar housings 76 passes through in groove 69, the second buffer bar housings 76 second guide posts 71 are installed; The periphery of second guide post 71 is provided with second spacing block set 72; Second spacing block set 72 is provided with second gag lever post, 73, the second gag lever posts 73 and second and passes through groove 69 and cooperate, and the periphery of second guide post 71 is installed second spring 74; One end of second spring 74 contacts with second spacing block set 72, and the other end of second spring 74 contacts with the second buffer bar housing 76.

The described technical scheme of the utility model is not restricted in the scope of the described embodiment of the utility model.The utility model not technology contents of detailed description is known technology.

Claims

1. direct current quadripartion circuit charged for replacement list V insulator string instrument; Comprise housing (1); It is characterized in that: offer inner chamber (2) in the housing (1), top fixed installation four first buffer bars (3) of inner chamber (2), first guide post (66) of every first buffer bar (3) stretch out the outer movable motor (40) of installing of housing (1); Walking sheave (4) is installed on the output shaft of movable motor (40), and walking sheave (4) is positioned at the front upper place of housing (1); Housing (1) rotation relatively of the back mounting guide rail (45) of housing (1) and traversing driving leading screw (62), traversing driving leading screw (62), guide rail (45) are gone up to install and are laterally moved seat (46); Laterally moving seat (46) can move along guide rail (45) straight line, and laterally mobile seat (46) is gone up traversing drive nut (63) is installed, and traversing drive nut (63) is threaded with traversing driving leading screw (62); Traversing driving leading screw (62) is positioned at the inboard of laterally moving seat (46); Housing (1) is gone up traversing drive motors (47) is installed, and the output shaft of traversing drive motors (47) is connected with an end of traversing driving leading screw (62), and laterally mobile seat (46) is gone up gear wheel (51) is installed; The axle of gear wheel (51) is perpendicular to the back side of housing (1); Housing (1) is gone up pinion (48), speed changer (49) and rotary drive motor (50) is installed, and pinion (48) is connected with the output shaft of speed changer (49) with gear wheel (51) engagement, the axle of pinion (48); The power shaft of speed changer (49) is connected with the output shaft of rotary drive motor (50); Gear wheel (51) is gone up swing arm (53) is installed, and dwang (60) is installed in the swing arm (53), dwang (60) swing arm (53) rotation relatively; Adjustment drive motors (52) is installed in the rear end of swing arm (53); The output shaft of adjustment drive motors (52) is connected with the rear end of dwang (60), and the front end of dwang (60) is installed and stirred hinge seat (65), stirs hinge seat (65) and is positioned at outside the swing arm (53); It is hinged with connecting plate (67) to stir hinge seat (65); Wire clamp (55) before connecting plate (67) is gone up and installed respectively is provided with one about preceding wire clamp (55) is gone up and goes up location hook (68), and the right ends of preceding wire clamp (55) is respectively installed a following location hook (61); The neck of hook of following location hook (61) and preceding wire clamp (55) are hinged; Preceding wire clamp (55) is hinged with an end of insulating bar (57), and the other end of insulating bar (57) is fixedly connected with the piston rod of hydraulic cylinder (56), and hydraulic cylinder (56) is connected with back wire clamp (54); Stir hinge seat (65) turn drive motor (64) go up to be installed, the output shaft of turn drive motor (64) with stir the hinge axis of hinge seat (65) and be connected with connecting plate (67).

2. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 1; It is characterized in that: the bottom of inner chamber (2) is that the center line left-right symmetric is installed two leaping over obstacles supports (28) with inner chamber (2) axis, and leaping over obstacles support (28) is connected and composed by U-shaped bearing (35), connecting rod (36), supporting seat (32), second buffer bar (33), leap roller support (31) and leap roller (30); U-shaped bearing (35) vertically is installed in the inner chamber (2); U-shaped bearing (35) is fixedly connected with housing (1); U-shaped bearing (35) is gone up rotating shaft (39) is installed, and a connecting rod (36) is respectively installed at the two ends of rotating shaft (39), and the rear end of connecting rod (36) is fixedly connected with rotating shaft (39); The front end of connecting rod (36) is hinged with the two ends of supporting seat (32) respectively; Supporting seat (32) is gone up second buffer bar (33) is installed, and the second guide post gear wheel (51) of second buffer bar (33) passes supporting seat (32) leap roller support (31) is installed, and leap roller support (31) is gone up to install and crossed over roller (30); Housing (1) each side offer a groove (34), groove (34) is corresponding with leaping over obstacles support (28); The interior installation and control case of inner chamber (2) (25); Control cabinet (25) is gone up first motor (24) is installed; First sprocket wheel (16) and second gear (22) are installed on the output shaft of first motor (24); Second sprocket wheel (17) is installed in the upper end of the rotating shaft (39) of left side leaping over obstacles support (28), and second sprocket wheel (17) is connected through first chain (18) with first sprocket wheel (16); The 3rd gear (23) is installed in the inner chamber (2); The 3rd gear (23) and second gear (22) engagement; The axle of the 3rd gear (23) is gone up the 4th sprocket wheel (21) is installed; The 3rd sprocket wheel (19) is installed in the upper end of the rotating shaft (39) of right side leaping over obstacles support (28), and the 3rd sprocket wheel (19) is connected with the 4th sprocket wheel (21) through second chain (20); Mounting rod (6) is installed on the top of housing (1), and mounting rod (6) is gone up shooting rolling disc (7) is installed, and shooting rolling disc (7) is gone up shooting hinge seat (8) is installed, and shooting hinge seat (8) is gone up camera (9) is installed.

3. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 2; It is characterized in that: the axle of said walking sheave (4) is provided with backstay (5); Spacing sheave hinge seat (10) is installed in the inner chamber (2); Spacing sheave hinge seat (10) is fixedly connected with the upper inside wall of housing (1), and spacing sheave hinge seat (10) is gone up rotation axis, rotation axis and backstay (5) spatial vertical are installed; Lever (11) and first gear (12) are installed on the rotation axis; Lever (11) is gone up spacing sheave (13) is installed, and the axle of spacing sheave (13) is gone up limiting plate (14) is installed, and limiting plate (14) is vertical with the shaft space of first buffer bar (3); The axle of the 3rd gear (23) is gone up first leading screw (41) is installed; The periphery of first leading screw (41) is installed second nut (44), and second nut (44) is gone up tooth bar (70) and sliding sleeve (43) are installed, and inner chamber (2) internal fixation is installed slide rail (42); Slide rail (42) cooperates with sliding sleeve (43); Tooth bar (70) and first gear (12) engagement are offered location notch (15) on the limiting plate (14), location notch (15) is corresponding one by one with backstay (5).

4. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 2; It is characterized in that: parallel two grid spacers (26) that are provided with in the said inner chamber (2), control cabinet (25) and first motor (24) are positioned between two grid spacers (26).

5. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 2 is characterized in that: the lower end of rotating shaft (39) lower end of said left side leaping over obstacles support (28) and the rotating shaft (39) of right side leaping over obstacles support (28) passes the outer balancing weight (27) of respectively installing of housing (1) respectively; The corresponding end of two balancing weights (27) all is an arc surface.

6. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 2; It is characterized in that: described first buffer bar (3) comprises the first buffer bar housing (75); Offer first on the sidewall of the first buffer bar housing (75) and pass through groove (77); First guide post (66) is installed in the first buffer bar housing (75), and the periphery of first guide post (66) is provided with first spacing block set (70), and first spacing block set (70) is provided with first gag lever post (79); First gag lever post (79) is positioned at first and passes through groove (77); The periphery of first guide post (66) is pacified first spring (78), and an end of first spring (78) contacts with first spacing block set (70), the preceding end in contact of the other end of first spring (78) and the first buffer bar housing (75).

7. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 2; It is characterized in that: described second buffer bar (33) comprises the second buffer bar housing (76); Offer second on the sidewall of the second buffer bar housing (76) and pass through groove (69); Second guide post (71) is installed in the second buffer bar housing (76), and the periphery of second guide post (71) is provided with second spacing block set (72), and second spacing block set (72) is provided with second gag lever post (73); Second gag lever post (73) and second passes through groove (69) and cooperates; The periphery of second guide post (71) is installed second spring (74), and an end of second spring (74) contacts with second spacing block set (72), and the other end of second spring (74) contacts with the second buffer bar housing (76).

8. direct current quadripartion circuit charged for replacement list V insulator string instrument according to claim 1; It is characterized in that: preceding wire clamp (55) is gone up to install and is strutted drive motors (80); Strutting on the output shaft of drive motors (80) fixed installation struts and drives leading screw (81); Strut and drive leading screw (81) and be positioned between twice location hooks (61), strut and drive leading screw (81) and go up to install and strut drive nut (82), strut drive nut (82) and strut driving leading screw (81) and be threaded; One of the each side installation that struts drive nut (82) struts bar (83); It is corresponding one by one with following location hook (61) to strut bar (83), and an end that struts bar (83) is with to strut drive nut (82) hinged, and the other end that struts bar (83) is hinged with following location hook (61).