CN115207832B - Live replacement bearing device for strain insulator string - Google Patents
Live replacement bearing device for strain insulator string Download PDFInfo
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- CN115207832B CN115207832B CN202210743617.7A CN202210743617A CN115207832B CN 115207832 B CN115207832 B CN 115207832B CN 202210743617 A CN202210743617 A CN 202210743617A CN 115207832 B CN115207832 B CN 115207832B
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- 239000012211 strain insulator Substances 0.000 title claims abstract description 27
- 239000004744 fabric Substances 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 2
- 239000012212 insulator Substances 0.000 abstract description 47
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
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Abstract
The invention belongs to the technical field of power transmission line maintenance equipment, and particularly relates to an electrified replacement bearing device of a tension insulator string, which comprises a bearing body, stretching components and fixing components, wherein two groups of stretching components are arranged on the inner side of the bearing body in a sliding manner, and the fixing components are arranged at the two ends of the bearing body; the bearing body comprises two groups of fixing rods which are horizontally distributed at intervals, bearing rods are arranged between the two fixing rods, four groups of bearing rods are symmetrically distributed in pairs, an interval is reserved between the bearing rods, a groove is reserved on the upper surface of any one fixing rod, an adjusting wheel is embedded in the groove, a first rotating rod penetrates through the circle center of the adjusting wheel in a fixed mode, the first rotating rod is horizontally arranged on the upper surface of the fixing rods in a rotating mode, and driving gears are fixed at two end portions of the bearing rods. The live replacement bearing device for the strain insulator string for the high-voltage transmission line reduces subsequent safety accidents caused by replacement misoperation, and improves the smoothness and safety of overall replacement operation.
Description
Technical Field
The invention belongs to the technical field of power transmission line maintenance equipment, and particularly relates to a live replacement bearing device of a strain insulator string.
Background
The high-voltage power supply refers to an electric subscriber line with an alternating-current voltage of more than 1000V or a direct-current voltage of more than 1500V.
Taking China's related standards as an example, according to the definition 2.1 in GB/T2900.50-2008, high [ electric ] voltage generally refers to a voltage level higher than 1000V (not included); in particular, it refers to the voltage class of the transmission in the power system.
The strain insulator string is an important element in the process of erecting a power transmission line, and mainly comprises a ceramic strain insulator string and a composite strain insulator string, and can effectively isolate a charged wire from the ground and enable each wire to keep its own position.
In the operation and maintenance work of the power transmission line, damage to the insulator is unavoidable due to the influence of various factors. The strain insulator string is the most common product for the overhead line of the current transmission line, is matched with electric power fittings to be used together, and can reach the tension requirement by stringing a plurality of products together according to construction requirements.
The insulator string is a flexible suspension bracket empty wire which is formed by combining two or more insulators. The insulator string is mainly under tension. In the transmission line, the mechanical and electrical requirements can be met only after the insulators are formed into strings.
Because of the different requirements, the insulator string has various forms, and the stress situation of the insulator string is quite different because the insulator string is connected with the tower and the wires. The electrical characteristics of the insulator string mainly refer to voltage distribution among insulator sheets of the insulator string under normal voltage, a path that the insulator string may flashover under the action of overvoltage, capacitance voltage of double-string or multi-string insulators, and the like.
The strain insulator string is a common product in the current power transmission line erection process, is an important element in the power transmission line erection process, and is subjected to the influence of high voltage of current and change of natural environment for a long time in the power transmission line operation process, the insulator insulation capacity is reduced, and the insulator is aged and damaged, so that the operation safety of the power transmission line is seriously threatened.
At present, in the replacement operation of the existing high-voltage circuit for the strain insulator string, the strain insulator string is bound by adopting a rope fixing mode, an operator only adopts two-hand operation, the hand fatigue degree is easy to increase, and the strain insulator string is not removed during binding, so that the safety coefficient is low.
Based on the above, a charged replacement bearing device for a strain insulator string needs to be developed and designed, so as to solve the problems of easy hand fatigue and low safety factor in the process of replacing the strain insulator string.
Disclosure of Invention
The embodiment of the invention provides a live replacement bearing device for a strain insulator string, which is used for solving the problem that hands are easy to fatigue in the process of replacing the strain insulator string in the prior art.
The embodiment of the invention provides a live replacement bearing device of a strain insulator string, which comprises the following components:
The device comprises a supporting body, a stretching assembly, a fixing box and a carrying cloth, wherein the supporting body is provided with a plurality of fixing holes; the middle part of the supporting body is longitudinally fixed with a fixed box, the inside of the fixed box is wound with a carrying cloth, the inner side of the supporting body is slidingly provided with two groups of stretching components, and the two ends of the supporting body are provided with the fixed components;
The fixing assembly comprises a locking block with a U-shaped structure, a fixing plate arranged at the bottom of the locking block and a pull rope rotationally connected with the fixing plate, bearing rods are arranged at intervals of the bearing bodies, a winding wheel is rotationally arranged between the intervals of the bearing rods, and one end, far away from the fixing plate, of the pull rope is wound on the winding wheel.
In one possible implementation manner, the bearing body comprises two groups of fixing rods which are symmetrically and horizontally distributed at intervals, bearing rods are arranged between the two fixing rods, four groups of bearing rods are symmetrically distributed, and intervals are arranged between the bearing rods;
The upper surface of any one of the fixing rods is provided with a groove, an adjusting wheel is embedded in the groove, a first rotating rod penetrates through the circle center of the adjusting wheel in a fixed mode, the first rotating rod horizontally rotates to be arranged on the upper surface of the fixing rod, and driving gears are fixed at two end portions of the bearing rod.
In one possible implementation manner, the upper surface of the fixing plate is provided with a pair of protrusions, one end of the locking block is rotatably connected between the pair of protrusions, and the other end of the upper surface of the fixing plate corresponding to the protrusions is fixedly provided with a connecting block in a protruding mode.
In a possible implementation manner, the connecting block is provided with a limit bolt in a penetrating manner, the limit bolt is in threaded connection with the locking block, the middle part of the bottom end surface of the fixing plate is rotationally connected with a connector, and one end, far away from the fixing plate, of the connector is fixedly provided with a pull rope.
In a possible implementation manner, the circle centers of the two end faces of the winding wheel are fixedly connected with second rotating rods, one end of the second rotating rods, which is far away from the winding wheel, is rotationally connected with a fixed block, the fixed block is fixed on the upper surface of the bearing rod, and one end, which is far away from the fixed block, of the second rotating rods is fixedly provided with a stressed gear.
In one possible implementation manner, a driving gear is arranged beside the stress gear, the driving gear and the stress gear are vertically distributed, a first rotating rod is fixed at one end, far away from the stress gear, of the driving gear, a fixing lock is arranged on the outer rotation of the first rotating rod, and the fixing lock is fixed on the upper surface of the fixing rod.
In one possible implementation manner, the outer wall of the first rotating rod is further provided with a plurality of groups of perforations, the plurality of groups of perforations are distributed at intervals along the outer wall of the first rotating rod in a surrounding manner, and fixing bolts penetrate through the inside of the perforations.
In one possible implementation manner, the upper surface of the fixing rod is provided with connecting holes corresponding to the positions of the perforations, and a plurality of groups of connecting holes are distributed in a line.
In one possible implementation, the stretching assembly includes a sled, a slider, and a magnetic tip;
the end part of the sliding plate is provided with a sliding block in a protruding mode, a moving groove is horizontally formed in the position of the fixed rod corresponding to the sliding block, the sliding block stretches into the moving groove to be connected in a sliding mode, and a magnetic suction head is fixed in one end, deviating from the fixed box, of the moving groove;
The inside rotation of fixed box is installed two sets of rotation opposite direction and is changeed the roller, it is connected to change the roller and the inner wall rotation of fixed box, and the junction is equipped with the torsional spring.
In one possible implementation manner, the outer walls of the two sides of the fixed box are provided with winding openings in a penetrating manner, and the receiving cloth passes through the winding openings.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
The embodiment of the invention discloses a live replacement bearing device of a strain insulator string, which comprises the following steps of firstly horizontally moving a bearing body to the lower part of the strain insulator string, then fixing components at two sides of the bearing body with electric wires respectively, dismantling a limit bolt, then enabling a locking block with a U-shaped structure to rotate, placing the electric wires between the locking block and the fixing block, overturning the locking block to wrap the electric wires again, and installing the limit bolt to fix the locking block and a connecting block.
After the two groups of locking blocks are fixed, the fixing bolts can be removed, the first rotating rod has a rotatable effect, the manual operation adjusting wheel rotates, the driving gear is driven to rotate through the first rotating rod after the adjusting wheel rotates, the stressed gear rotates along with the driving gear after the driving gear rotates, the stressed gear drives the winding wheel to rotate through the second rotating rod, the pull rope wound on the winding wheel stretches the length immediately, and the distance between the supporting body and the insulator string can be adjusted, so that the supporting cloth is kept at a proper receiving distance.
And then installing the limit bolt on the first rotating rod, wherein a plurality of groups of perforations are distributed on the first rotating rod in a surrounding manner, the perforations in the plurality of groups rotate at an angle along with the rotation of the first rotating rod, and when the perforations in the vertical direction are flush with the connecting holes, installing the limit bolt, and the limit bolt is in threaded connection with the connecting holes, so that the carrying cloth can be unfolded after the carrying body is fixed.
The sliding slide plate horizontally slides between the two fixed rods and moves towards the position deviating from the fixed box until the sliding block slides to be magnetically attracted and fixed with the magnetic suction head along the moving groove, the carrying cloth continuously moves out of the fixed box along with the continuous movement of the sliding plate, the rotating roller rotates at the moment, the carrying cloth is positioned below the insulator string after stretching, the insulator string can be directly dismantled at the moment, and the carrying cloth receives the insulator string.
When the insulator string is completely dismantled, a new insulator string is installed, the carrying cloth can still be used for placing the insulator string which is not installed, after the insulator string is replaced, the locking block is removed from the electric wire, the sliding plate is manually pulled away, the magnetic suction head is separated from the sliding block, and the carrying cloth is driven to be quickly wound and returned to the inside of the fixed box through the elasticity of the torsion spring, so that the replacement operation of the insulator string is completed.
The embodiment of the invention discloses a live replacement bearing device for a tension insulator string, which can be used for rapidly carrying out replacement assistance on the insulator string through the cooperation of a bearing body, a stretching assembly and a fixing assembly, so that the replacement operation efficiency of the insulator string is effectively improved.
According to the live replacement bearing device for the tension insulator string, disclosed by the embodiment of the invention, the bearing cloth can be unfolded when in use and stored when not in use through the cooperation between the stretching assembly and the fixing box, the use effect and the neatness of the bearing cloth are ensured, the influence of the pollution of the bearing cloth on the operation quality of the insulator string is avoided, the bearing body can be quickly fixed below the insulator string through two groups of fixing assemblies symmetrically arranged on two sides of the bearing body, the bearing cloth can further place the insulator string to be installed, the removed insulator string is received, the damage of the insulator string caused by falling of the insulator string is avoided, the safety is improved, the follow-up safety accidents caused by the replacement operation errors are reduced, and the smoothness and the safety of the whole replacement operation are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a schematic diagram of a carrier structure;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 4 is a schematic view of a structure of a fixing assembly;
FIG. 5 is a schematic drawing of a stretching assembly;
Fig. 6 is a schematic view of the internal structure of the fixing case.
In the figure:
1. a carrier;
2. a force-bearing gear;
3. a second rotating rod;
4. a winding wheel;
5. a fixed block;
6. carrying cloth;
7. a fixed box;
8. A stretching assembly;
9. a fixing assembly;
10. a locking block;
11. a drive gear;
12. An adjusting wheel;
13. A fixed lock;
14. a first rotating lever;
15. a carrier bar;
16. A fixed rod;
17. a moving groove;
18. a groove;
19. a connection hole;
20. perforating;
21. a fixing bolt;
22. A limit bolt;
23. A pull rope;
24. a connector;
25. A fixing plate;
26. a slide block;
27. a winding opening;
28. A rotating roller;
29. a connecting block;
30. a magnetic tip;
31. And (3) a sliding plate.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The following describes in detail the embodiments of the present invention, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation procedure are given, but the protection scope of the present invention is not limited to the following embodiments.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following description will be made with reference to the accompanying drawings.
Referring to fig. 1 and 2, a live replacement bearing device for a tension insulator string for a high-voltage transmission line comprises a bearing body 1, a stretching assembly 8 and a fixing assembly 9, wherein two groups of stretching assemblies 8 are slidably arranged on the inner side of the bearing body 1, and the fixing assemblies 9 are arranged at two ends of the bearing body.
The carrier 1 comprises two groups of fixing rods 16 which are symmetrically and horizontally distributed at intervals, a carrying rod 15 is arranged between the two fixing rods 16, four groups of carrying rods 15 are symmetrically and pairwise distributed, an interval is arranged between the carrying rods 15, the upper surface of any one fixing rod 16 is provided with a groove 18, an adjusting wheel 12 is embedded in the groove 18, a first rotating rod 14 is fixedly penetrated through the circle center of the adjusting wheel 12, the first rotating rod 14 is horizontally arranged on the upper surface of the fixing rod 16 in a rotating mode, and driving gears 11 are fixed at two end portions of the carrying rods 15.
The fixed box 7 is vertically fixed with at the middle part of two dead levers 16, the inside rolling of fixed box 7 has to accept cloth 6, two sets of tensile subassembly 8 symmetric distribution are in the both sides of fixed box 7, and accept cloth 6 stretch out fixed box 7 and tensile subassembly 8 fixedly, the equal fixedly connected with second bull stick 3 of both ends face centre of a circle department of rolling wheel 4, the one end rotation that the rolling wheel 4 was kept away from to the second bull stick 3 is connected with fixed block 5, fixed block 5 is fixed in the upper surface of carrier bar 15, and the one end that the fixed block 5 was kept away from to the second bull stick 3 is fixed with atress gear 2.
The stressed gear 2 drives the winding wheel 4 to rotate through the second rotating rod 3, and then the pull rope 23 wound on the winding wheel 4 stretches the length, so that the distance between the supporting body 1 and the insulator string can be adjusted.
Referring to fig. 1 and 4, the fixing assembly 9 includes a locking block 10 having a U-shaped structure, a fixing plate 25 disposed at the bottom of the locking block 10, and a pull rope 23 rotatably connected to the fixing plate 25, a winding wheel 4 is rotatably mounted between the intervals of the bearing rods 15, and one end of the pull rope 23 far from the fixing plate 25 is wound on the winding wheel 4. The upper surface of the fixed plate 25 is provided with a pair of bulges, one end of the locking block 10 is rotatably connected between the bulges, and the other end of the upper surface of the fixed plate 25 corresponding to the bulges is fixedly provided with a connecting block 29 in a protruding manner.
The limit bolt 22 is removed, then the locking block 10 with the U-shaped structure can be rotated, then the electric wire is placed between the locking block 10 and the fixed block 5, the locking block 10 is turned over again to wrap the electric wire, and the limit bolt 22 is installed so that the locking block 10 is fixed with the connecting block 29.
Referring to fig. 1,3 and 4, a limit bolt 22 is installed on a connecting block 29 in a penetrating manner, the limit bolt 22 is in threaded connection with a locking block 10, a connector 24 is connected to the middle of the bottom end surface of a fixing plate 25 in a rotating manner, and a pull rope 23 is fixed at one end, far away from the fixing plate 25, of the connector 24.
The side of atress gear 2 is equipped with drive gear 11, and drive gear 11 and atress gear 2 perpendicular distribution, and drive gear 11 keep away from the one end of atress gear 2 and are fixed with first bull stick 14, and the outside rotation of first bull stick 14 is equipped with fixed lock 13, and fixed lock 13 is fixed at the upper surface of dead lever 16. The function of the fixed lock 13 is to support the first lever 14.
Referring to fig. 2 and 3, a plurality of groups of perforations 20 are further formed on the outer wall of the first rotating rod 14, the plurality of groups of perforations 20 are distributed at intervals along the outer wall of the first rotating rod 14 in a surrounding manner, and fixing bolts 21 penetrate through the inside of the perforations 20. The upper surface of the fixed rod 16 is provided with connecting holes 19 corresponding to the positions of the through holes 20, and a plurality of groups of connecting holes 19 are distributed in a line.
The plurality of groups of through holes 20 rotate by an angle along with the rotation of the first rotating rod 14, and when the through holes 20 in the vertical direction are flush with the connecting holes 19, the limit bolts 22 are installed, and the limit bolts 22 are in threaded connection with the connecting holes 19.
Referring to fig. 5, the stretching assembly 8 includes a sliding plate 31, a sliding block 26, and a magnetic suction head 30, the end of the sliding plate 31 protrudes to be provided with the sliding block 26, the position of the fixed rod 16 corresponding to the sliding block 26 is horizontally provided with a moving groove 17, the sliding block 26 stretches into the moving groove 17 to be in sliding connection, one end of the moving groove 17 deviating from the fixed box 7 is internally fixed with the magnetic suction head 30, and the magnetic suction head 30 is fixedly connected with the sliding block 26.
Referring to fig. 6, the outer walls of both sides of the fixing case 7 are provided with a winding opening 27, and the receiving cloth 6 passes through the winding opening 27. Two groups of rotating rollers 28 with opposite rotating directions are rotatably arranged in the fixed box 7, the rotating rollers 28 are rotatably connected with the inner wall of the fixed box 7, and torsion springs are arranged at the connecting positions. The supporting cloth 6 is driven by the elasticity of the torsion spring to be rapidly wound and returned to the inside of the fixed box 7.
Working principle: when the fixing device is used, firstly, the supporting body 1 is horizontally moved to the insulator string to be lowered, then the fixing assemblies 9 at the two sides of the supporting body 1 are respectively fixed with the electric wires, the limiting bolts 22 are removed, then the locking blocks 10 with the U-shaped structures can be rotated, then the electric wires are placed between the locking blocks 10 and the fixing blocks 5, the locking blocks 10 are turned over again to wrap the electric wires, the limiting bolts 22 are arranged to fix the locking blocks 10 with the connecting blocks 29, and after the two groups of locking blocks 10 are all fixed, the fixing bolts 21 can be removed.
The first rotating rod 14 has a rotatable effect, the adjusting wheel 12 is manually operated to rotate, the driving gear 11 is driven to rotate through the first rotating rod 14 after the adjusting wheel 12 rotates, the stressed gear 2 rotates along with the driving gear 11 after the driving gear 11 rotates, the stressed gear 2 drives the winding wheel 4 to rotate through the second rotating rod 3, and the pull rope 23 wound on the winding wheel 4 stretches the length, so that the distance between the supporting body 1 and the insulator string can be adjusted, and the supporting cloth is kept at a proper receiving distance.
And then the limit bolts 22 are arranged on the first rotating rod 14, a plurality of groups of perforations 20 are circumferentially distributed on the first rotating rod 14, the perforations 20 rotate by a certain angle along with the rotation of the first rotating rod 14, when the perforations 20 in the vertical direction are flush with the connecting holes 19, the limit bolts 22 are arranged, the limit bolts 22 are in threaded connection with the connecting holes 19, and after the supporting body 1 is fixed, the supporting cloth 6 can be unfolded.
The sliding plate 31 slides horizontally between the two fixed rods 16, the sliding plate 31 moves towards the position deviating from the fixed box 7 until the sliding block 26 slides along the moving groove 17 to be magnetically attracted and fixed with the magnetic suction head 30, the carrying cloth 6 continuously moves out of the fixed box 7 along with the continuous movement of the sliding plate 31, the rotating roller 28 rotates at the moment, the carrying cloth 6 is positioned below the insulator string after stretching, the insulator string can be directly removed at the moment, and the carrying cloth 6 receives the insulator string.
When the insulator string is completely removed, a new insulator string is installed, the carrying cloth 6 can still be used for placing the insulator string which is not installed, after the insulator string is replaced, the locking block 10 and the electric wire are removed, the sliding plate 31 is manually pulled open, the magnetic suction head 30 is separated from the sliding block 26, and at the moment, the carrying cloth 6 is driven to be rapidly wound and returned to the inside of the fixed box 7 through the elastic force of the torsion spring, so that the replacement operation of the insulator string is completed.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limited thereto; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and they should be included in the protection scope of the present invention.
Claims (8)
1. Live replacement carrying device for strain insulator strings, comprising: the device is characterized by also comprising a fixing box (7) and a carrying cloth (6); a fixing box (7) is longitudinally fixed at the middle part of the supporting body (1), a carrying cloth (6) is wound in the fixing box (7), two groups of stretching components (8) are mounted in the inner side of the supporting body (1) in a sliding manner, and fixing components (9) are mounted at two ends of the supporting body (1);
The fixing assembly (9) comprises a locking block (10) with a U-shaped structure, a fixing plate (25) arranged at the bottom of the locking block (10) and a pull rope (23) rotationally connected with the fixing plate (25), wherein bearing rods (15) are arranged at intervals on the bearing body (1), a winding wheel (4) is rotationally arranged between the intervals of the bearing rods (15), and one end, far away from the fixing plate (25), of the pull rope (23) is wound on the winding wheel (4);
The bearing body (1) comprises two groups of fixing rods (16) which are symmetrically and horizontally distributed at intervals, bearing rods (15) are arranged between the two fixing rods (16), four groups of bearing rods (15) are symmetrically distributed in pairs, intervals are arranged between the bearing rods (15), grooves (18) are formed in the upper surface of any one fixing rod (16), regulating wheels (12) are embedded in the grooves (18), first rotating rods (14) are fixedly penetrated at the circle centers of the regulating wheels (12), the first rotating rods (14) are horizontally rotated and arranged on the upper surfaces of the fixing rods (16), and driving gears (11) are respectively fixed at two end parts of each first rotating rod (14);
The stretching assembly (8) comprises a sliding plate (31), a sliding block (26) and a magnetic suction head (30), the sliding block (26) is arranged at the end part of the sliding plate (31) in a protruding mode, a movable groove (17) is horizontally formed in the position of the fixed rod (16) corresponding to the sliding block (26), the sliding block (26) stretches into the movable groove (17) to be connected in a sliding mode, and the magnetic suction head (30) is fixed in one end, deviating from the fixed box (7), of the movable groove (17);
Two groups of rotating rollers (28) with opposite rotating directions are rotatably arranged in the fixed box (7), the rotating rollers (28) are rotatably connected with the inner wall of the fixed box (7), and torsion springs are arranged at the connecting positions.
2. The live replacement carrying device for the strain insulator string according to claim 1, wherein a pair of protrusions are arranged on the upper surface of the fixing plate (25), one end of the locking block (10) is rotatably connected between the pair of protrusions, and a connecting block (29) is fixedly protruded from the other end of the upper surface of the fixing plate (25) corresponding to the protrusions.
3. Live replacement load bearing device of a strain insulator string according to claim 2, characterized in that a limit bolt (22) is installed on the connecting block (29) in a penetrating way, the limit bolt (22) is in threaded connection with the locking block (10), a connector (24) is connected to the middle part of the bottom end surface of the fixing plate (25) in a rotating way, and a pull rope (23) is fixed at one end, far away from the fixing plate (25), of the connector (24).
4. The live replacement bearing device of the strain insulator string according to claim 1, wherein the circle centers of the two end faces of the winding wheel (4) are fixedly connected with second rotating rods (3), one end, far away from the winding wheel (4), of each second rotating rod (3) is rotationally connected with a fixed block (5), each fixed block (5) is fixed on the upper surface of the bearing rod (15), and one end, far away from the fixed block (5), of each second rotating rod (3) is fixedly provided with a stressed gear (2).
5. The live replacement bearing device of the strain insulator string according to claim 4, wherein a driving gear (11) is arranged beside the stress gear (2), the driving gear (11) and the stress gear (2) are vertically distributed, one end of the driving gear (11) far away from the stress gear (2) is fixed with a first rotating rod (14), a fixed lock (13) is arranged on the outer rotating part of the first rotating rod (14), and the fixed lock (13) is fixed on the upper surface of the fixed rod (16).
6. The live replacement carrying device for the strain insulator string according to claim 5, wherein a plurality of groups of perforations (20) are further formed in the outer wall of the first rotating rod (14), the plurality of groups of perforations (20) are distributed at intervals along the outer wall of the first rotating rod (14) in a surrounding mode, and fixing bolts (21) penetrate through the inside of the perforations (20).
7. The live replacement bearing device for the strain insulator string according to claim 6, wherein connecting holes (19) are formed in positions, corresponding to the through holes (20), on the upper surface of the fixing rod (16), and a plurality of groups of connecting holes (19) are distributed in a line.
8. Live replacement carrying device for strain insulator strings according to claim 1, characterized in that the outer walls of both sides of the fixing box (7) are provided with winding openings (27) in a penetrating manner, and the receiving cloth (6) penetrates through the winding openings (27).
Priority Applications (1)
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CN202210743617.7A CN115207832B (en) | 2022-06-27 | 2022-06-27 | Live replacement bearing device for strain insulator string |
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CN202210743617.7A CN115207832B (en) | 2022-06-27 | 2022-06-27 | Live replacement bearing device for strain insulator string |
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CN115207832A CN115207832A (en) | 2022-10-18 |
CN115207832B true CN115207832B (en) | 2024-05-03 |
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