CN113991524A - Lifting device for live replacement of insulator wire - Google Patents
Lifting device for live replacement of insulator wire Download PDFInfo
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- CN113991524A CN113991524A CN202111369839.9A CN202111369839A CN113991524A CN 113991524 A CN113991524 A CN 113991524A CN 202111369839 A CN202111369839 A CN 202111369839A CN 113991524 A CN113991524 A CN 113991524A
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- 239000012212 insulator Substances 0.000 title claims abstract description 48
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 27
- 230000008569 process Effects 0.000 abstract description 18
- 239000000725 suspension Substances 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses a lifting device for live replacement of insulator wires, which solves the technical problems that in the process of insulator maintenance operation, the position of a wire is easy to deviate and the overall stability of a bucket arm vehicle is reduced due to the fact that the wire is lifted by a small suspension arm of the bucket arm vehicle. The lifting device comprises a fixing component, a lifting component and a stabilizing component, wherein the fixing component is used for being fixed on an electric pole, the lifting component is connected between the fixing component and the stabilizing component, the lifting component is used for driving the stabilizing component to move towards a direction far away from or close to the fixing component, and the stabilizing component is used for stabilizing the position of a conducting wire; when the lifting device is used, the device is fixed on the electric pole, the device is positioned under the wire, the fixing assembly is started, the position of the wire is lifted, and the operator can conveniently perform subsequent operation. The invention has the advantages of convenient operation, convenient wire position stabilization and the like.
Description
Technical Field
The invention relates to the technical field of overhead transmission line maintenance equipment, in particular to a lifting device for live replacement of an insulator wire.
Background
The operation method for overhauling the insulator in the line at present comprises the following steps: after insulating shielding is carried out on cross arms, side phase wires and the like, an electrical operation edge bucket arm vehicle in a bucket lifts the wires by a self-provided lifter to slightly bear force, removes wire binding wires, then lifts the wires away by about 40cm, and then carries out replacement or correction on linear insulators; however, in the actual operation process, when the small suspension arm of the bucket arm vehicle is used for lifting the wire, the bucket is positioned above the side phase wire, the operation space is limited, the lifting hook of the small suspension arm cannot be completely positioned right above the middle phase wire, and the wire can deviate to one side and is separated from the central line of the insulator in the process of lifting the wire, so that the wire is subjected to lateral tension and can be damaged slightly carelessly; meanwhile, the small suspension arm is always subjected to lateral tension, so that the overall stability of the insulating bucket and even the insulating bucket arm vehicle is reduced, and the safety risk is increased in the operation process.
Disclosure of Invention
The invention aims to solve the technical problems that in the process of overhauling insulators, a small suspension arm of a bucket arm vehicle is used for lifting a wire, so that the wire position is easy to deviate, and the overall stability of the bucket arm vehicle is reduced.
The invention is realized by the following technical scheme:
a lifting device for replacing an insulator wire in a charged mode comprises a fixing component, a lifting component and a stabilizing component, wherein the fixing component is used for being fixed on an electric pole, the lifting component is connected between the fixing component and the stabilizing component, the lifting component is used for driving the stabilizing component to move towards a direction far away from or close to the fixing component, and the stabilizing component is used for stabilizing the position of the wire; when the lifting device is used, the device is fixed on the electric pole, the device is positioned under the wire, the fixing assembly is started, the position of the wire is lifted, and the operator can conveniently perform subsequent operation.
Furthermore, the fixing assembly comprises a first fixing piece, a second fixing piece and a mounting plate, the first fixing piece and the second fixing piece are fixedly connected to the electric pole through bolts, the mounting plate is fixedly connected to the first fixing piece or the second fixing piece, and the lifting assembly is fixed to the mounting plate; the bolt fixation facilitates control of the strength of the connection and also facilitates installation and subsequent removal.
Further, the lifting assembly comprises a base, a push rod part, a first insulating rod and a controller, wherein the push rod part, the first insulating rod and the controller are mounted on the base; the base is fixedly connected to the mounting plate through a screw, the push rod part comprises a push rod body, a first insulating rod and the push rod body are coaxially arranged and in threaded connection, one end, far away from the push rod body, of the first insulating rod is connected with the stabilizing assembly, the controller is in signal connection with the push rod part and is used for controlling the push rod part to drive the push rod body to stretch and retract towards the direction far away from or close to the fixing assembly, when the push rod body stretches, the first insulating rod moves towards the direction far away from the fixing assembly, and when the push rod body shortens, the first insulating rod moves towards the direction close to the fixing assembly; the lifting of the wire is completed by the extension of the push rod body, which is convenient for operation and convenient for controlling the lifting length and the lifting position of the wire.
Further, the stabilizing assembly comprises a second insulating rod, a supporting ring and a locking structure, one end of the second insulating rod is in threaded connection with the end part, far away from the push rod body, of the first insulating rod, and the other end of the second insulating rod is fixedly connected with the supporting ring; the support ring is provided with an opening for the lead to pass through, and the locking structure is rotationally connected to the support ring; when the locking structure is in a natural state, the locking structure blocks the opening of the support ring, and when the locking structure rotates under the action of external force, the locking structure can release the blocking state of the opening of the support ring; when the wire is positioned in the support ring, the locking structure can limit the wire to prevent the wire from bouncing and disengaging after entering the support ring.
Furthermore, the locking structure comprises a rotating rod and a resetting structure, one end of the rotating rod is rotatably connected to one end part of the support ring, the other end of the rotating rod is positioned outside the support ring, and the resetting structure is fixedly connected between the rotating rod and the support ring; the reset structure can enable the locking structure to be kept in a natural state when no external force is applied, and the limiting effect on the wire is achieved.
Further, reset spring includes first spring and second spring, and first spring one end fixed connection is on the support ring, and other end fixed connection is on the dwang, and second spring one end fixed connection is on the support ring, and other end fixed connection is on the dwang, and first spring and second spring are located the both sides of dwang respectively, and the line of first spring and second spring is parallel with the radial of support ring.
Further, hoisting device still includes the extension rod, and the extension rod is connected between first insulator spindle and second insulator spindle, when promoting the operation to some higher wires of height, the installation extension rod operates.
Furthermore, first mounting and second mounting are M type staple bolt structure, and the arch of the M type staple bolt structure of first mounting sets up in opposite directions with the arch of the M type staple bolt structure of second mounting, and increase frictional force strengthens and the pole between the fixed stability.
Furthermore, a support frame is fixedly connected below the mounting plate to play a supporting role.
Further, the device also comprises a first telescopic rod, a positioning block, a signal transmitter, a signal receiver and a second telescopic rod; one end of the first telescopic rod is fixedly connected to the mounting plate or the base, the other end of the first telescopic rod is fixedly connected to the positioning block, the signal transmitter is mounted on the first telescopic rod or the first insulating rod, the signal receiver is mounted on the other end of the first telescopic rod, one end of the second telescopic rod is fixed to the support ring, when the second telescopic rod extends, the second telescopic rod is located above the rotating rod and can limit the rotating rod to rotate upwards, and when the second telescopic rod shortens, the second telescopic rod relieves the limit on the rotating rod; the signal transmitter, the signal receiver and the second telescopic rod are in signal connection, when the signal receiver receives a signal of the signal transmitter, the second telescopic rod starts to be shortened, and when the signal receiver does not receive the signal of the signal transmitter, the second telescopic rod starts to be extended.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the lifting device provided by the invention replaces a small suspension arm of the bucket arm vehicle to lift the lead, so that the lead is not subjected to lateral tension in the lifting process, the lead is more stable, the condition that the overall stability of the bucket arm vehicle is reduced is avoided, meanwhile, the safety risk in the operation process is reduced, and the safety of personnel and equipment is ensured; the position of the wire is fixed by using the stabilizing component, so that the wire is prevented from being shifted in the lifting process, and meanwhile, the application range of the lifting device is expanded by arranging the extension rod; in addition, through the structure of the first fixed part of restriction and second fixed part, the connection stability between fixed subassembly of reinforcing and the pole avoids promoting the in-process to the wire, and the skew of position takes place for hoisting device overall structure, leads to the position of wire to take place the skew.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a block diagram of a mounting assembly of the present invention;
FIG. 2 is a schematic view of a lifting assembly of the present invention;
FIG. 3 is a front view of the lift assembly of the present invention;
FIG. 4 is a block diagram of a stabilizing assembly of the present invention;
FIG. 5 is an overall structural view of the present invention;
FIG. 6 is a view of the extension pole of the present invention;
FIG. 7 is a first diagram of a wire lifting process according to embodiment 2 of the present invention;
fig. 8 is a diagram of a second wire lifting process in embodiment 2 of the present invention.
Reference numbers and corresponding part names in the drawings:
101-a first fixing piece, 102-a strip-shaped hole, 103-a bolt, 104-a second fixing piece, 105-a mounting plate, 106-a mounting hole, 107-a support frame, 201-a base, 202-a motor, 203-a push rod body, 204-a transmission mechanism, 205-a first insulating rod, 206-a second connecting piece, 207-a power supply, 208-a charging port, 209-a controller, 210-a fixing screw rod, 211-a fixing nut, 301-a second insulating rod, 302-a second connecting piece, 303-a support ring, 304-a limiting rod, 305-a reset structure, 401-an extension rod, 5-a lead, 601-a first telescopic rod, 602-a second telescopic rod, 603-a positioning block, 604-a signal transmitter and 605-a signal receiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Example 1
The distribution line straight line pole is a pole type structure commonly used in a power distribution network, is used on a straight line section of a line or a small-section conducting wire 5 corner within 15 degrees of the corner to support the weight of the conducting wire 5, an insulator and a hardware fitting, can bear the weight of the conducting wire 5 and horizontal wind load, but cannot bear the tension of the conducting wire 5 in the line direction, the conducting wire 5 is commonly fixed on a cross arm by a column insulator or a pin insulator, the conducting wires 5 are distributed in a triangular shape, one phase (middle phase) is arranged on the top of the pole, and two phases (side phases) are respectively distributed at two ends of the cross arm.
In the process of line operation, the column insulator or the pin insulator has the defects of insulator inclination, damage, insulation decline, poor looseness and fixation of the lead 5, even falling and the like, so that the safe and stable operation of the line is endangered, and at the moment, the insulator is required to be replaced or the lead 5 is required to be bound and fixed again, so that the defect hidden danger is eliminated, and the safe and stable operation of a power grid is ensured.
In order to improve the power supply reliability and reduce power failure, live working is a common operation method, and the live working refers to an operation method for continuously overhauling and testing high-voltage electrical equipment, and has important significance for ensuring the safe operation of a power distribution network and improving the power supply reliability and the economical efficiency of the power distribution network.
The operation core of the live-line maintenance linear insulator is to carry out separation and recovery operation on a live-line wire 5 fixed on the linear insulator, at present, an insulating bucket arm vehicle operation method with the highest work efficiency is generally used as a main operation method, the insulating bucket arm vehicle is used as a main insulating platform in the operation process, an operator is located in a bucket, and the wire 5 is lifted by a small suspension arm of the insulating bucket arm vehicle to complete operation.
The operation method for overhauling the phase insulator in the line at present comprises the following steps: after the cross arm, the side phase wire 5 and the like are insulated and shielded, an electrician in the hopper operates the elevator of the edge hopper arm vehicle to lift the wire 5 and slightly stress the wire 5, remove the binding wire of the wire 5, then lift the wire 5 about 40cm away, and replace or correct the linear insulator.
However, in the actual operation process, when the small boom of the bucket arm vehicle is used for lifting the lead 5, the operation space is limited because the bucket is positioned above the side phase lead 5, the lifting hook of the small boom cannot be completely positioned right above the middle phase lead 5, and the lead 5 can deviate to one side and is separated from the central line of the insulator in the process of lifting the lead 5, so that the lead 5 is subjected to lateral tension and can be damaged by carelessness; meanwhile, the small suspension arm is always subjected to lateral tension, so that the overall stability of the insulating bucket and even the insulating bucket arm vehicle is reduced, and the safety risk is increased in the operation process.
In order to solve the above-mentioned problems, the present embodiment provides a lifting device for live replacement of an insulator wire 5, as shown in fig. 1 to 6, comprising a fixing component, a lifting component and a stabilizing component, wherein the fixing component is used for fixing on an electric pole, the lifting component is connected between the fixing component and the stabilizing component, the lifting component is used for driving the stabilizing component to move towards a direction away from or close to the fixing component, and the stabilizing component is used for stabilizing the position of the wire 5.
The fixing assembly comprises a first fixing piece 101, a second fixing piece 104 and a mounting plate 105, the first fixing piece 101 and the second fixing piece 104 are fixedly connected to the electric pole through bolts 103, the mounting plate 105 is fixedly connected to the first fixing piece 101 or the second fixing piece 104, the lifting assembly is fixed on the mounting plate 105, and a mounting hole 106 is formed in the mounting plate 105; in this embodiment, the first fixing member 101 and the second fixing member 104 are both M-shaped hoop structures, the protrusions of the M-shaped hoop structure of the first fixing member 101 and the protrusions of the M-shaped hoop structure of the second fixing member 104 are oppositely arranged, a support frame 107 is fixedly connected below the mounting plate 105, the support frame 107 is supported on the ground to support the mounting plate 105, both ends of the first fixing member 101 and both ends of the second fixing member 104 are respectively provided with a strip-shaped hole 102 for the bolt 103 to pass through, the bolt 103 simultaneously passes through the strip-shaped hole 102 of the first fixing member 101 and the strip-shaped hole 102 of the second fixing member 104, both ends of the two fixing members are respectively connected with the bolt 103, the two fixing members and the two bolts 103 together form a surrounding structure for fixing an electric pole, in other embodiments, both the first fixing member 101 and the second fixing member 104 can adopt semicircular hoop structures; the first fixing member 101, the second fixing member 104, the mounting plate 105 and the support frame 107 are all made of iron materials, the mounting plate 105 is of a rectangular structure, and installation and manufacturing are facilitated, and in this embodiment, one side edge of the mounting plate 105 is welded on the second fixing member 104.
The lifting assembly comprises a base 201, a push rod part arranged on the base 201, a first insulating rod 205 and a controller 209; the base 201 is fixedly connected to the mounting plate 105 through a screw, the lower part of the base 201 is provided with a fixing screw 210, and the fixing screw 210 penetrates through the mounting hole 106 on the mounting plate 105 to be matched with a fixing nut 211, so that the base 201 is fixed on the mounting plate 105; the push rod part comprises a push rod body 203, a first insulating rod 205 is coaxially arranged with the push rod body 203 and is in threaded connection with the push rod body 203, one end, far away from the push rod body 203, of the first insulating rod 205 is connected with a stabilizing component, a controller 209 is in signal connection with the push rod part, the controller 209 is used for controlling the push rod part to drive the push rod body 203 to stretch and retract towards the direction far away from or close to the fixed component, when the push rod body 203 extends, the first insulating rod 205 moves towards the direction far away from the fixed component, and when the push rod body 203 shortens, the first insulating rod 205 moves towards the direction close to the fixed component.
In this embodiment, the push rod portion directly uses a commercially available push rod structure, the principle and structure of which are not described in detail herein, the push rod portion includes a push rod body 203, a motor 202, a transmission mechanism 204 and a power source 207, the push rod portion controls the push rod body 203 to extend to any position and stop, a self-provided lock is provided, and a limit switch is provided to ensure that the first insulating rod 205 automatically stops at the bottom and at the top to prevent the motor 202 from burning empty, where the bottom refers to the lowest position of the first insulating rod 205 when the push rod body 203 is shortened, and the top refers to the position of the first insulating rod 205 when the push rod body 203 is extended, and a stabilizing assembly on the first insulating rod 205 pushes the lead 5 to rise to a suitable position, and the positions of the bottom and the top need to be set in advance; the power supply 207 adopts a charging battery power supply 207 and is provided with a charging port 208; the controller 209 actually controls the motor 202 to rotate, the motor 202 drives the transmission mechanism 204 to act, so as to control the push rod to ascend and descend, the front of the controller 209 is provided with a control panel (comprising ascending, descending, emergency stop and other keys), and if remote operation is required, the switch can be set to be remote control operation.
The stabilizing assembly comprises a second insulating rod 301, a supporting ring 303 and a locking structure, one end of the second insulating rod 301 is in threaded connection with the end part, far away from the push rod body 203, of the first insulating rod 205, and the other end of the second insulating rod 301 is fixedly connected with the supporting ring 303; the support ring 303 is provided with an opening for the lead 5 to pass through, and the locking structure is rotationally connected to the support ring 303; when the locking structure is in a natural state, the natural state here means that no external force acts on the locking structure, the locking structure blocks the opening of the support ring 303, and when the locking structure rotates under the external force, the locking structure can release the blocking state of the opening of the support ring 303.
When the stabilizing assembly is matched with the lead 5 for use, the stabilizing assembly rises, the lead 5 enters the opening of the support ring 303, the stabilizing assembly continues to rise, the lead 5 presses the locking structure, the locking structure rotates downwards, the opening of the support ring 303 is opened, the lead 5 enters the support ring 303, the pressing force of the lead 5 on the locking structure is smaller and smaller as the lead 5 is closer to the bottom of the support ring 303, and the locking structure returns to the original position again until the lead 5 is not in contact with the locking structure, blocks the opening of the support ring 303, limits the lead 5 in the support ring 303, and limits and stabilizes the position of the lead 5; when the stabilizing assembly descends to a certain height, the lead 5 returns to the opening of the support ring 303, the stabilizing assembly continues to descend, the lead 5 presses the locking structure, the locking structure rotates upwards, the opening of the support ring 303 is opened, the lead 5 moves out of the support ring 303, the lead 5 falls into the insulator groove, and after the lead 5 is separated from the locking structure, the locking structure returns to the original position again and blocks the opening of the support ring 303 until the lead is used next time.
In this embodiment, the locking structure includes a rotating rod and a reset structure 305, one end of the rotating rod is rotatably connected to one end of the support ring 303, the other end of the rotating rod is located outside the support ring 303, the reset structure 305 is fixedly connected between the rotating rod and the support ring 303, and when the locking structure is in a natural state, the rotating rod is located at the opening of the support ring 303, so as to form a blocking effect; when the turning rod is located in another position, the reset structure 305 can drive the turning rod back to the opening of the support ring 303.
Reset spring includes first spring and second spring, and first spring one end fixed connection is on support ring 303, and other end fixed connection is on the dwang, and second spring one end fixed connection is on support ring 303, and other end fixed connection is on the dwang, and first spring and second spring are located the both sides of dwang respectively, and the line of first spring and second spring and support ring 303's radial parallel.
The lifting device further comprises an extension rod 401, the extension rod 401 being threaded between the first insulating rod 205 and the second insulating rod 301; in this embodiment, threaded connection between first insulator spindle 205 and second insulator spindle 301, extension rod 401 and the threaded connection of first insulator spindle 205 and second insulator spindle 301, all realize through threaded component, threaded component is including being equipped with the first connecting piece of internal screw thread and being equipped with the second connecting piece 206 of external screw thread, and is concrete, first connecting piece riveting is at second insulator spindle 301 lower extreme and extension rod 401 lower extreme, second connecting piece 206 riveting is in first insulator spindle 205 upper end and extension spindle 401 upper end, threaded connection is realized through threaded component to three rod-like structure, be convenient for subsequent maintenance and change.
The specific use method of the lifting device provided by the embodiment is as follows:
1. operating personnel in the hopper to operate the insulating arm trolley to enter a working position to insulate and shield the cross arm, the lead 5 and the like;
2. installing a lifting device:
1) fixing the first fixing piece 101 and the second fixing piece 104 on the electric pole through bolts 103, and keeping the bolts 103 parallel to the direction of the lead 5, so as to be convenient for subsequently lifting the lead 5;
2) mounting the lifting assembly on the mounting plate 105, and fastening the fixing nut 211 to fix the lifting assembly firmly;
3) firmly connecting the first connecting piece on the second insulating rod 301 with the second connecting piece 206 on the first insulating rod 205; and the center of the support ring 303 and the lead 5 are kept to be positioned on the same vertical line; an extension rod 401 can be additionally installed according to the requirement of field operation, a first connecting piece on the extension rod 401 is connected with a second connecting piece 206 on a first insulating rod 205, and the second connecting piece 206 on the extension rod 401 is connected with a first connecting piece on a second insulating rod 301;
3. operating the controller 209 to make the push rod body 203 rise at a constant speed until the lead 5 enters the support ring 303;
4. operating the controller 209 to make the push rod body 203 rise at a constant speed until the support ring 303 is slightly stressed;
5. removing the insulator binding wire;
6. operating the controller 209 to enable the push rod body 203 to rise at a constant speed until the lead 5 is lifted by 40cm, and vacating an operation space;
7. repairing, replacing or correcting insulators
8. After the maintenance operation is finished, the controller 209 is operated to enable the push rod body 203 to descend at a constant speed, and the lead 5 is slowly put down to fall into the insulator groove;
9. binding a lead 5 to fix the lead on the insulator;
10. the controller 209 is operated to lead the push rod body 203 to descend at a constant speed until the push rod body is completely retracted;
11. dismantling the live lifting lead 5 device; the dismantling step is opposite to the process of installing the lifting device in the step 2;
12. removing all the insulation shields;
13. and (5) withdrawing from the site and finishing the work.
Example 2
Embodiment 1 in actual use, the locking structure is completely opened by the driving of the lead 5, and the lead 5 is not completely limited, and due to the non-fixing property of the locking structure, there is a possibility that the position of the lead 5 may be shifted in actual operation, so that, in order to avoid this, the matching condition of the lead 5 and the support ring 303 is combined with the fixing of the locking structure, and the scheme provided by the embodiment is obtained.
Embodiment 2 is completed on the basis of embodiment 1, as shown in fig. 1 to 8, embodiment 2 is further provided with a first telescopic rod 601, a positioning block 603, a signal transmitter 604, a signal receiver 605 and a second telescopic rod 602; one end of the first telescopic rod 601 is fixedly connected to the mounting plate 105 or the base 201, and the other end of the first telescopic rod 601 is fixedly connected to the positioning block 603; the positioning block 603 is used for determining the initial position of the lead 5, and before the controller 209 is started, the length of the telescopic rod is controlled so that the positioning block 603 is flush with the lead 5; the signal transmitter 604 is mounted on the first telescopic rod 601 or the first insulating rod 205, the signal receiver 605 is mounted on the other rod, and the signal transmitter 604 and the signal receiver 605 are oppositely arranged; in this embodiment, the signal transmitter 604 is mounted on the first insulating rod 205, the signal receiver 605 is mounted on the first telescopic rod 601, the signal transmitter 604 may be an infrared transmitter, the signal receiver 605 may be an infrared receiver, the size of the infrared receiver is relatively long, the distance from the lowest end of the signal receiver 605 to the positioning block 603 is greater than the lifting height of the wire 5, the farthest distance from the lowest end of the signal transmitter 604 to the supporting ring 303 is less than or equal to the lifting height of the wire 5, and if the length of the second insulating rod 301 is too long, the distance requirement cannot be met when the signal transmitter 604 is mounted on the first insulating rod 205, the signal transmitter 604 may be mounted on the second insulating rod 301.
The second telescopic rod 602 is used for fixing a locking structure, the second telescopic rod 602 is fixed on the support ring 303, when the second telescopic rod 602 is extended, the second telescopic rod 602 is positioned above the rotating rod, the second telescopic rod 602 can limit the rotating rod to rotate upwards, and when the second telescopic rod 602 is shortened, the second telescopic rod 602 releases the limitation on the rotating rod; the signal transmitter 604, the signal receiver 605 and the second telescopic rod 602 are in signal connection, when the signal receiver 605 receives the signal of the signal transmitter 604, the second telescopic rod 602 starts to shorten, and when the signal receiver 605 does not receive the signal of the signal transmitter 604, the second telescopic rod 602 starts to lengthen.
When the push rod body 203 pushes the first insulating rod 205 to rise, the signal transmitter 604 rises to the height of the signal receiver 605, flush with the lower end of the signal receiver 605, when the signal receiver 605 receives the signal of the signal transmitter 604, the second extension rod 602 begins to shorten, the locking structure is released, the push rod body 203 continues to push the first insulation rod 205 to ascend until the lead 5 enters the support ring 303, then the lead 5 is pushed to be lifted, when the lifting height of the lead 5 is close to the designated height, the height of the signal transmitter 604 is higher than that of the signal receiver 605, the signal receiver 605 does not receive the signal of the signal transmitter 604, the second telescopic rod 602 begins to extend, the locking structure is fixed, the lead 5 is not worried about to be displaced, when the lift height of the wire 5 reaches a specified height, the signal transmitter 604 is positioned above the signal receiver 605.
When the push rod body 203 drives the first insulating rod 205 to descend, the signal transmitter 604 descends to be flush with the upper end of the signal receiver 605, the signal receiver 605 receives a signal of the signal transmitter 604, the second telescopic rod 602 begins to shorten, the push rod body 203 continues to drive the first insulating rod 205 to descend, the conducting wire 5 is gradually lowered along with the continuous descending of the first insulating rod 205, the second telescopic rod 602 is always in a shortened state in the descending process of the conducting wire 5, after the height of the supporting ring 303 is lower than the height of the conducting wire 5, the conducting wire 5 pushes away the rotating rod to move out of the supporting ring 303, the supporting ring 303 continues to descend until the rotating rod is not in contact with the conducting wire 5, the rotating rod returns to the initial position under the driving of the reset structure 305, the height of the signal transmitter 604 is always the lower end of the height signal receiver, along with the descending of the height of the supporting ring 303, the signal transmitter 604 begins to descend to be below the signal receiver 605, the signal receiver 605 does not receive the signal from the signal transmitter 604, the second extension pole 602 begins to extend, and the locking structure is secured until the next use.
The height of the wires 5 is fixedly combined with the locking structure on the support ring 303, so that the position of the wires 5 is further fixed during the lifting process.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The lifting device for live replacement of the insulator wire is characterized by comprising a fixing component, a lifting component and a stabilizing component, wherein the fixing component is used for being fixed on an electric pole, the lifting component is connected between the fixing component and the stabilizing component, the lifting component is used for driving the stabilizing component to move towards the direction away from or close to the fixing component, and the stabilizing component is used for stabilizing the position of the wire.
2. The lifting device for the live replacement of an insulator wire according to claim 1, wherein the fixing assembly comprises a first fixing member, a second fixing member and a mounting plate, the first fixing member and the second fixing member are fixedly connected to the electric pole through bolts, the mounting plate is fixedly connected to the first fixing member or the second fixing member, and the lifting assembly is fixed to the mounting plate.
3. The lifting device for live replacement of an insulator wire according to claim 2, wherein the lifting assembly comprises a base, and a push rod portion, a first insulator rod and a controller mounted on the base; the base passes through screw rod fixed connection and is in on the mounting panel, push rod portion includes the push rod body, first insulating rod and the coaxial setting of push rod body and threaded connection, first insulating rod is kept away from the one end of push rod body with the stabilizing component is connected, the controller with push rod portion signal connection, the controller is used for control push rod portion drive the push rod body is towards keeping away from or being close to the direction of fixed subassembly is flexible, works as when the push rod body is elongated, first insulating rod is towards keeping away from the direction of fixed subassembly is removed, works as when the push rod body shortens, first insulating rod is towards being close to the direction removal of fixed subassembly.
4. The lifting device for charged replacement of an insulator wire according to claim 3, wherein the stabilizing assembly comprises a second insulating rod, a supporting ring and a locking structure, wherein one end of the second insulating rod is in threaded connection with the end of the first insulating rod far away from the push rod body, and the other end of the second insulating rod is fixedly connected with the supporting ring; the locking structure is rotatably connected to the support ring; when the locking structure is in a natural state, the locking structure blocks the opening of the support ring, and when the locking structure rotates under the action of external force, the locking structure can release the blocking state of the opening of the support ring.
5. A lifting device for charged replacement of an insulator wire according to claim 4, characterized in that the locking structure comprises a turning rod and a reset structure, one end of the turning rod is rotatably connected to one end of the support ring, the other end of the turning rod is located outside the support ring, and the reset structure is fixedly connected between the turning rod and the support ring.
6. The lifting device for charged replacement of insulator wire according to claim 5, wherein the return spring comprises a first spring and a second spring, one end of the first spring is fixedly connected to the support ring, the other end of the first spring is fixedly connected to the rotation rod, one end of the second spring is fixedly connected to the support ring, the other end of the second spring is fixedly connected to the rotation rod, the first spring and the second spring are respectively located at two sides of the rotation rod, and the connecting line of the first spring and the second spring is parallel to the radial direction of the support ring.
7. The apparatus of claim 4, further comprising an extension rod connected between the first insulator rod and the second insulator rod.
8. The lifting device for replacing an insulator wire with electricity according to claim 2, wherein the first fixing member and the second fixing member are both M-shaped hoop structures, and the protrusions of the M-shaped hoop structure of the first fixing member and the protrusions of the M-shaped hoop structure of the second fixing member are oppositely arranged.
9. The lifting device for charged replacement of an insulator wire according to claim 2, wherein a support frame is fixedly connected below the mounting plate.
10. The lifting device for live replacement of an insulator wire according to claim 5, further comprising a first telescoping rod, a positioning block, a signal transmitter, a signal receiver, and a second telescoping rod; one end of the first telescopic rod is fixedly connected to the mounting plate or the base, the other end of the first telescopic rod is fixedly connected to the positioning block, the signal transmitter is mounted on the first telescopic rod or the first insulating rod, the signal receiver is mounted on the other one of the first telescopic rod and the second telescopic rod, one end of the second telescopic rod is fixed to the support ring, when the second telescopic rod extends, the second telescopic rod is located above the rotating rod, the second telescopic rod can limit the rotating rod to rotate upwards, and when the second telescopic rod shortens, the second telescopic rod relieves the limit of the rotating rod; the signal transmitter, the signal receiver and the second telescopic rod are in signal connection, when the signal receiver receives a signal of the signal transmitter, the second telescopic rod starts to be shortened, and when the signal receiver does not receive the signal of the signal transmitter, the second telescopic rod starts to be lengthened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369839.9A CN113991524A (en) | 2021-11-18 | 2021-11-18 | Lifting device for live replacement of insulator wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369839.9A CN113991524A (en) | 2021-11-18 | 2021-11-18 | Lifting device for live replacement of insulator wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113991524A true CN113991524A (en) | 2022-01-28 |
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ID=79749348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111369839.9A Pending CN113991524A (en) | 2021-11-18 | 2021-11-18 | Lifting device for live replacement of insulator wire |
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| Country | Link |
|---|---|
| CN (1) | CN113991524A (en) |
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| CN209929849U (en) * | 2019-05-24 | 2020-01-10 | 国家电网有限公司 | Tool for live replacement of insulator of ultrahigh-voltage large-span tangent tower |
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| CN203905792U (en) * | 2014-06-18 | 2014-10-29 | 国网江西省电力公司抚州供电分公司 | 110kV-220kV overhead line outlet sliding board |
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