CN117096804B - Power distribution network cable fixing device - Google Patents
Power distribution network cable fixing device Download PDFInfo
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- CN117096804B CN117096804B CN202311098360.5A CN202311098360A CN117096804B CN 117096804 B CN117096804 B CN 117096804B CN 202311098360 A CN202311098360 A CN 202311098360A CN 117096804 B CN117096804 B CN 117096804B
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- 238000007789 sealing Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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Abstract
The invention relates to the field of power equipment, in particular to a cable fixing device for a power distribution network, which comprises a bottom plate and a connecting structure, wherein the upper end of the bottom plate is provided with a clamping and fastening structure; the invention is provided with the clamping and fastening structure, the rotating structure and the driving structure, thereby realizing the automatic adjustment of the length of the high-voltage wire according to the ambient temperature and avoiding the personnel from adjusting the high-voltage cable on the power distribution network one by one.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a cable fixing device for a power distribution network.
Background
The power distribution network is a network which receives electric energy from a power transmission network or a regional power plant, is distributed on site or distributed to various users step by step according to voltage through a power distribution facility, plays an important role in distributing the electric energy in the power network, comprises three units of power transformation, power transmission and power distribution, the power network is used for transmitting and distributing the electric energy and changing the voltage, the power network is a large circuit network formed by a plurality of electric poles at present, so as to supply power, the power distribution network is formed by overhead lines, cables, towers, distribution transformers, isolating switches, reactive compensators, a plurality of auxiliary facilities and the like, the network plays an important role in distributing the electric energy in the power network, the power distribution network generally adopts closed-loop design and open-loop operation, the structure of the power distribution network is radial, and the power distribution network adopts a closed-loop structure for improving the operation flexibility and the power supply reliability; the open-loop operation is to limit short-circuit fault current on one hand, prevent the breaker from explosion beyond the breaking capacity, and on the other hand, control the fault sweep range, avoid the expansion of the fault power failure range.
The utility model discloses a distribution network frame for distribution network planning of China patent CN218386546U, its theory of operation is: the fastening mechanism clamps the high-voltage wire, the high-voltage wire is fixed in the power distribution net rack through the action of the spring, the effect of the tightness degree of the high-voltage wire is adjusted by the sliding rod and the limiting block, the fixing plate is positioned and installed by the clamping block and the clamping groove, the threading groove prevents the high-voltage wire from falling off, and the fixing mechanism fixes the device.
In the above scheme, the high-voltage wire is clamped by the fastening mechanism, when the length of the high-voltage wire is adjusted, a worker is required to manually adjust the fastening mechanism, release or reel the high-voltage wire, and the length of the high-voltage wire cannot be automatically adjusted according to the ambient temperature.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the cable fixing device for the power distribution network, which is provided with the clamping and fastening structure, the rotating structure and the driving structure, so that the length of the high-voltage electric wire can be automatically adjusted according to the ambient temperature, and the situation that the staff adjusts the high-voltage cable on the power distribution network one by one is avoided.
In order to solve the problems in the prior art, the invention provides a distribution network cable fixing device, which comprises a bottom plate, the lower end of the bottom plate is provided with a connecting structure for fixing a network frame body, the upper end of the bottom plate is provided with a clamping and fastening structure for clamping high-voltage wires, the clamping and fastening structure comprises a mounting plate, the upper surface of the mounting plate is provided with two first limiting structures, the two first limiting structures are arranged in a central symmetry mode relative to the central line of the mounting plate, a winding and unwinding structure for winding and unwinding redundant high-voltage wires is arranged between the bottom plate and the mounting plate, the winding and unwinding structure comprises a rotating structure for rotating the mounting plate, both ends of the mounting plate are provided with driving structures for driving the rotating structure to work, the driving structures comprise a connecting block, one end of the connecting block is inserted into one side of the end of the mounting plate, deviating from the center, the other end of the connecting block is provided with a movable rod, one end of the movable rod is hinged with the other end of the connecting block, the other end of the movable rod is provided with a sealing baffle, the outer part of the movable rod is sleeved with a cylinder, the sealing baffle is arranged in the inside the cylinder, the inner diameter of the cylinder is the same as the outer diameter of the sealing baffle, the opening end of the cylinder is provided with a cover plate, the vent hole is arranged between the bottom of the cover plate and the sealing baffle, one end is provided with a thermal expansion medium, and one end of the sealing baffle is connected with the upper end of a support column.
Preferably, the upper surface of bottom plate is provided with two second limit structure, and two second limit structure set up respectively in the below of two connecting blocks, and second limit structure includes rectangular piece, rectangular piece and bottom plate fixed connection, and the arc wall has been seted up on the surface of rectangular piece, and the opening of arc wall is towards the outside of bottom plate, and the one end of connecting block is provided with the round pin axle, and the one end of round pin axle passes mounting panel and connecting block to cooperate with the arc wall.
Preferably, the upper surface of bottom plate still is provided with the connecting plate, and the middle part of connecting plate is provided with the pivot, and the lower extreme of pivot passes from the middle part of mounting panel, and the lower extreme of pivot is provided with lock nut, is provided with the ball preforming between the lower surface of lock nut and bottom plate, and the upper surface of bottom plate still is provided with the limiting plate, limiting plate and bottom plate fixed connection, and the spacing groove has been seted up at the middle part of limiting plate.
Preferably, both ends of bottom plate upper surface all are provided with stretch out construction, stretch out construction sets up between support column and barrel, stretch out construction includes first sliding sleeve, and the one end and the support column of first sliding sleeve are connected, and the other end of first sliding sleeve is provided with the second sliding sleeve, and the one end and the end connection of barrel of second sliding sleeve, the other end cover of second sliding sleeve are established at the other end of first sliding sleeve, are provided with fourth compression spring between first sliding sleeve and the second sliding sleeve, and fourth compression spring's both ends are connected with first sliding sleeve and second sliding sleeve respectively.
Preferably, one end of the movable rod is further sleeved with an annular fixing plate, the annular fixing plate is fixedly connected with the movable rod, one side of the annular fixing plate is provided with a third pressure spring, the third pressure spring is sleeved on the surface of the movable rod, one end of the third pressure spring is connected with the annular fixing plate, and the other end of the third pressure spring is connected with the cover plate.
Preferably, the first limit structure comprises a U-shaped plate, one side of the middle part of the U-shaped plate deviating from the center is provided with a vertical plate, one end of the U-shaped plate, which is close to the vertical plate, is provided with an active clamping structure, the active clamping structure comprises a screw, an external transmission of the screw is connected with a screw sleeve, the screw sleeve is connected with one end of the U-shaped plate, one end of the screw is provided with a sleeve, one end of the sleeve is sleeved with one end of the screw, the middle part of the sleeve is in sliding connection with the vertical plate, the surface of the screw is also sleeved with a first pressure spring, two ends of the first pressure spring are respectively connected with the screw sleeve and the sleeve, the other end of the sleeve is provided with a first wheel frame, a first roller is arranged in the first wheel frame, a first annular inner groove is formed in the outer circumferential surface of the first roller, the other end of the U-shaped plate is provided with a passive clamping structure, the passive clamping structure comprises a movable shaft, the movable shaft is in sliding connection with the U-shaped plate, one end of the movable shaft is provided with a second wheel frame, the second roller is arranged in the second wheel frame, and the second annular inner groove is formed in the outer circumferential surface of the second roller.
Preferably, a plurality of first sliding grooves are formed in the outer surface of the sleeve, a first limiting ring is sleeved on the outer surface of the sleeve, the first limiting ring is fixedly connected with the vertical plate, a plurality of first sliding blocks are arranged in the first limiting ring and matched with the first sliding grooves, a plurality of second sliding grooves are formed in the outer surface of the movable shaft, a second limiting ring is sleeved on the outer surface of the movable shaft and connected with the other end of the U-shaped plate, a plurality of second sliding blocks are arranged in the second limiting ring and matched with the second sliding grooves.
Preferably, the other end of the movable shaft is provided with a third limiting ring, the third limiting ring is connected with the movable shaft, one side of the third limiting ring is provided with a second pressure spring, one end of the second pressure spring is connected with the third limiting ring, and the other end of the second pressure spring is connected with the second limiting ring.
Preferably, both sides of the first roller are provided with limiting rings, the limiting rings are fixedly connected with the first roller, and the outer diameter of the limiting rings is larger than that of the first roller.
Preferably, the upper cover of two first limit structures is equipped with the cover body, and the lower extreme and the mounting panel fixed connection of the cover body, the bar logical groove has all been seted up on the both sides surface of the cover body, and two bars lead to the groove and set up with the central line central symmetry of the cover body, and two bars lead to the inslot and all slide and be provided with the bar piece.
Compared with the prior art, the application has the beneficial effects that:
1. The invention is provided with the clamping and fastening structure, the rotating structure and the driving structure, when the temperature is increased, the volume of the thermal expansion medium is increased, the sealing is pushed to move along the cylinder, the sealing cover plate drives the movable rod to move, the movable rod pushes the mounting plate to rotate towards the outside of the bottom plate, the rotation of the mounting plate enables the lengthened part of the high-voltage wire to be twisted, when the temperature is reduced, the volume of the thermal expansion medium is reduced, the sealing baffle is pulled to move towards the bottom of the cylinder, the sealing baffle applies a pulling force to the movable rod, the movable rod pulls the mounting plate to rotate towards the middle of the bottom plate, so that the clamping between the S-shaped high-voltage wire and the high-voltage wires at two sides of the device is reduced, and the twisted high-voltage wires are released, thereby realizing automatic adjustment of the lengths of the high-voltage wires according to the ambient temperature and avoiding the personnel to adjust the high-voltage cables on the distribution network one by one.
2. The invention is provided with the second limiting structure, when the movable rod is subjected to the tensile force exerted by the driving structure, the movable rod pulls the mounting plate to rotate towards the middle part of the bottom plate, the mounting plate drives the pin shaft to move along the arc-shaped groove, and when the pin shaft moves to one end of the arc-shaped groove, the lower end of the pin shaft is abutted against the groove wall of the arc-shaped groove, so that the pin shaft cannot move, and the rotating range of the mounting plate in a low-temperature environment is controlled.
3. The limiting plate is arranged, the limiting groove is formed in the middle of the limiting plate, the connecting plate rotates to be abutted against the groove wall of the limiting groove, and the connecting plate cannot continue to rotate, so that the maximum rotation angle of the mounting plate is controlled, and the phenomenon that the high-voltage wires are too much twisted when the temperature is high is avoided.
Drawings
Fig. 1 is a front view of a power distribution network cable fixture.
Fig. 2 is a perspective view of a power distribution network cable fixture.
Fig. 3 is a perspective view of a hidden cover and strip for a power distribution network cable fixture.
Fig. 4 is a perspective view of a retractable structure in a cable fixture for a power distribution network.
Fig. 5 is a partially enlarged view at a in fig. 4.
Fig. 6 is a cross-sectional view of a drive structure in a power distribution network cable retention device.
Fig. 7 is a partially enlarged view at B in fig. 6.
Fig. 8 is an exploded view of a rotating structure in a power distribution network cable fixture.
Fig. 9 is a perspective view of a mounting plate and a first spacing structure in a distribution network cable fixture device.
Fig. 10 is a cross-sectional view of a mounting plate and a first spacing structure in a distribution network cable fixture device.
Fig. 11 is a perspective view of an active gripping structure in a power distribution network cable fixture.
Fig. 12 is a perspective view of a passive clamping structure in a power distribution network cable fixture.
The reference numerals in the figures are: 1-a bottom plate; a 2-linkage structure; 3-clamping the fastening structure; 31-mounting plate; 32-a first limit structure; 321-U-shaped plates; 3211-riser; 322-active clamping structure; 3221-a screw; 3222-a screw sleeve; 3223-a sleeve; 3224-a first stop collar; 3225-a first slider; 3226-a first pressure spring; 3227-a first wheel carrier; 3228-a first roller; 3229-a limit ring; 323-passive clamping structure; 3231—a movable shaft; 3232-a second stop collar; 3233—a second slider; 3234-a second wheel carriage; 3235-a second roller; 3236-a third stop collar; 3237-a second pressure spring; 33-a cover; 331-a strip-shaped through groove; 34-strip-shaped sheets; 4-a retractable structure; 41-a rotating structure; 411-connecting plates; 412-a spindle; 413-a lock nut; 414-ball tabletting; 415-limiting plate; 4151-a limit groove; 42-a drive structure; 421-connecting blocks; 422-a movable bar; 423-sealing flaps; 424-cylinder; 425-cover plate; 426—a thermal expansion medium; 427-support columns; 428-ring-shaped stator; 429-a third pressure spring; 43-a second limit structure; 431-rectangular pieces; 4311-arc grooves; 432-pin shaft; 44-stretching the structure; 441-a first sliding sleeve; 442-a second sliding sleeve; 443-fourth compression springs.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 12, there is shown: the utility model provides a distribution network cable fixing device, including bottom plate 1, the lower extreme of bottom plate 1 is provided with the connection structure 2 that is used for fixed rack body, the upper end of bottom plate 1 is provided with the centre gripping fastening structure 3 that is used for pressing from both sides tight high-voltage electric wire, the centre gripping fastening structure includes mounting panel 31, the upper surface of mounting panel 31 is provided with two first limit structure 32, two first limit structure 32 are provided with the central line central symmetry about mounting panel 31 and are provided with the receipts structure 4 that is used for receiving and releasing unnecessary high-voltage electric wire between bottom plate 1 and the mounting panel 31, receive and release structure 4 includes the revolution mechanic 41 that is used for rotating mounting panel 31, the both ends of mounting panel 31 all are provided with the drive structure 42 that is used for driving revolution mechanic 41 work, drive structure 42 includes connecting block 421, the one end of connecting block 421 inserts one side in the skew center of mounting panel 31 tip, the other end of connecting block 421 is provided with movable rod 422, the one end of movable rod 422 is articulated with the other end of connecting block 421, the other end of movable rod 422 is provided with sealed separation blade 423, the outside cover of 424 is equipped with barrel 424, sealed separation blade 423 is slidingly set up in the inside of barrel 424, the inside diameter and the outside diameter of sealed separation blade 424 is the same as sealed separation blade 424, the outside diameter 424 is the outside the barrel 424, the opening of the barrel 424 is provided with the opening of the cylinder 427, the opening of the cylinder is connected with the cylinder 427, and is connected with the bottom of the expansion media 427, and is set up with the bottom of the cylinder 427.
The device is fixed by using the connecting structure 2, then the high-voltage wire passes through the two first limiting structures 32, the two first limiting structures 32 clamp the high-voltage wire, the high-voltage wire is in an S shape between the two first limiting structures 32, the high-voltage wire is greatly influenced by expansion caused by heat and contraction caused by cold, the high-voltage wire is heated and expanded when in a high-temperature environment in summer, the length of the high-voltage wire is prolonged, the high-voltage wire is contracted caused by cold when in a low-temperature environment in winter, the length of the high-voltage wire is shortened, the length of the high-voltage wire is adjusted by arranging the winding and unwinding structure 4, when the temperature is increased, the volume of a thermal expansion medium 426 is increased, a sealing sheet is pushed to move along the cylinder 424, gas in the cylinder 424 is discharged from an exhaust hole, the sealing baffle 423 can not move due to the compression of the gas is avoided, the sealing cover plate 425 drives the movable rod 422 to move, the movable rod 422 pushes the mounting plate 31 to rotate towards the outside of the bottom plate 1, the high-voltage wires are wound around the extended part due to the rotation of the mounting plate 31, when the temperature is reduced, the volume of the thermal expansion medium 426 is reduced, the sealing baffle 423 is pulled to move towards the bottom of the cylinder 424, the sealing baffle 423 applies a pulling force to the movable rod 422, the movable rod 422 pulls the mounting plate 31 to rotate towards the middle of the bottom plate 1, the clamping between the S-shaped high-voltage wires and the high-voltage wires on two sides of the device is reduced, the high-voltage wires wound around the extended part are released, the high-voltage wires are prevented from shrinking and breaking, the length of the high-voltage wires is automatically adjusted according to the ambient temperature, and the high-voltage cables on the distribution network are prevented from being adjusted one by staff.
Referring to fig. 3, 4 and 5, it is shown that: the upper surface of bottom plate 1 is provided with two second limit structure 43, two second limit structure 43 set up respectively in the below of two connecting blocks 421, second limit structure 43 includes rectangular piece 431, rectangular piece 431 and bottom plate 1 fixed connection, arc wall 4311 has been seted up on the surface of rectangular piece 431, the opening of arc wall 4311 is towards the outside of bottom plate 1, the one end of connecting block 421 is provided with round pin axle 432, the one end of round pin axle 432 passes mounting panel 31 and connecting block 421 to cooperate with arc wall 4311.
Under the lower environment of temperature, movable rod 422 pulling mounting panel 31 rotates, when mounting panel 31 pivoted angle is too big, the high-voltage wire that is released can be received hank again, through setting up second limit structure 43, when movable rod 422 receives the pulling force of the applys of drive structure 42, movable rod 422 pulling mounting panel 31 rotates towards the middle part of bottom plate 1, mounting panel 31 drives round pin axle 432 and removes along arc groove 4311, when round pin axle 432 removes to the one end of arc groove 4311, the lower extreme of round pin axle 432 supports tightly with the cell wall of arc groove 4311, make round pin axle 432 unable removal, thereby realize controlling the rotation range of mounting panel 31 under low temperature environment.
Referring to fig. 3, 4 and 8, there is shown: the upper surface of bottom plate 1 still is provided with connecting plate 411, and the middle part of connecting plate 411 is provided with pivot 412, and the lower extreme of pivot 412 passes from the middle part of mounting panel 31, and the lower extreme of pivot 412 is provided with lock nut 413, is provided with ball preforming 414 between lock nut 413 and the lower surface of bottom plate 1, and the upper surface of bottom plate 1 still is provided with limiting plate 415, limiting plate 415 and bottom plate 1 fixed connection, limiting groove 4151 has been seted up at the middle part of limiting plate 415.
The lock nut 413 is fixed the connecting plate 411 on the bottom plate 1, ball preforming 414 reduces the friction between lock nut 413 and the bottom plate 1, make the surface friction of connecting plate 411 and mounting panel 31 weaken, when driving structure 42 drive mounting panel 31 rotates, mounting panel 31 drives connecting plate 411 rotation, connecting plate 411 drives pivot 412 rotation, connecting plate 411 rotates in spacing groove 4151 of limiting plate 415, when ambient temperature is higher, thermal expansion medium 426 exerts thrust to movable rod 422, receive the hank with the high-voltage wire of extension, if the rotation range of mounting panel 31 is too big, can make the high-voltage wire receive the hank too much, lead to the unable normal work of high-voltage wire, through offer spacing groove 4151 at the middle part of limiting plate 415, connecting plate 411 rotates to the cell wall butt with spacing groove 4151, connecting plate 411 can't continue to rotate, thereby realize controlling the biggest rotation angle of mounting panel 31, avoid receiving the high-voltage wire too much when the temperature is higher.
Referring to fig. 4,6 and 7, it is shown that: the both ends of bottom plate 1 upper surface all are provided with stretching structure 44, stretching structure 44 sets up between support column 427 and barrel 424, stretching structure 44 includes first sliding sleeve 441, the one end and the support column 427 of first sliding sleeve 441 are connected, the other end of first sliding sleeve 441 is provided with second sliding sleeve 442, the one end and the end connection of barrel 424 of second sliding sleeve 442, the other end cover of second sliding sleeve 442 is established at the other end of first sliding sleeve 441, be provided with fourth compression spring 443 between first sliding sleeve 441 and the second sliding sleeve 442, the both ends of fourth compression spring 443 are connected with first sliding sleeve 441 and second sliding sleeve 442 respectively.
At lower temperature, the second limiting structure 43 limits the mounting plate 31 to continue rotating, if the air temperature is further reduced, the thermal expansion medium 426 continues to shrink, the thermal expansion medium 426 continues to apply tension to the movable rod 422, deformation of the pin 432 or damage to the driving structure 42 is easily caused, by arranging the stretching structure 44, when the thermal expansion medium 426 cannot pull the movable rod 422, the sleeve 3223 moves towards the movable rod 422, at this time, the fourth pressure spring 443 is stretched, and the fourth pressure spring 443 absorbs energy generated by shrinkage of the thermal expansion medium 426, so that damage to the pin 432 or the driving structure 42 when receiving larger tension is avoided.
Referring to fig. 4 and 6, it is shown that: one end of the movable rod 422 is further sleeved with an annular fixing plate 428, the annular fixing plate 428 is fixedly connected with the movable rod 422, one side of the annular fixing plate 428 is provided with a third pressure spring 429, the third pressure spring 429 is sleeved on the surface of the movable rod 422, one end of the third pressure spring 429 is connected with the annular fixing plate 428, and the other end of the third pressure spring 429 is connected with the cover plate 425.
When the thermal expansion medium 426 is heated to apply thrust to the movable rod 422, the movable rod 422 moves towards the outside of the cylinder 424, and because the vent holes are formed in the cover plate 425, the gas in the cylinder 424 is discharged, and therefore, when the thermal expansion medium 426 is cooled and contracted, the gas pressure in the cylinder 424 cannot provide thrust, and by arranging the third pressure spring 429, the movable rod 422 stretches out of the cylinder 424, and in the process that the third pressure spring 429 stretches out, when the thermal expansion medium 426 contracts, the third pressure spring 429 contracts, and applies tension to the movable rod 422, so that the movable rod 422 moves towards the inside of the cylinder 424, and the movable rod 422 cannot move towards the inside of the cylinder 424.
Referring to fig. 3, 9, 10, 11 and 12: the first limit structure 32 comprises a U-shaped plate 321, a vertical plate 3211 is arranged on one side, deviating from the center, of the middle of the U-shaped plate 321, an active clamping structure 322 is arranged at one end, close to the vertical plate 3211, of the U-shaped plate 321, the active clamping structure 322 comprises a screw rod 3221, a threaded sleeve 3222 is connected to the outer transmission of the screw rod 3221, the threaded sleeve 3222 is connected with one end of the U-shaped plate 321, a sleeve 3223 is arranged at one end of the sleeve 3223 in a sleeved mode, the middle of the sleeve 3223 is slidably connected with the vertical plate 3211, a first pressure spring 3226 is sleeved on the surface of the screw rod 3221, two ends of the first pressure spring 3226 are respectively connected with the threaded sleeve 3222 and the sleeve 3223, a first wheel carrier 3227 is arranged at the other end of the sleeve 3223, a first roller 3228 is arranged in the first wheel carrier 3227, a passive clamping structure 323 is arranged at the other end of the U-shaped plate 321, the passive clamping structure 323 comprises a movable shaft 3231, the movable shaft 3231 is slidably connected with the U-shaped shaft 321, and a second roller carrier 3234 is arranged at the other end of the first wheel carrier 3234, and a second roller 3234 is arranged in the second annular groove 3235.
The outer circle surface of the first roller 3228 is tangent to the outer circle surface of the second roller 3235, a circular channel is formed at the joint of the first annular inner groove and the second annular inner groove, the high-voltage wire passes through the circular channel in one first limiting structure 32 and then passes out of the circular channel in the other first limiting structure 32, then the screw rod 3221 is rotated, the screw rod 3221 rotates to enable the screw sleeve 3222 to be far away from the screw rod 3221, the first roller 3228 applies thrust to the second roller 3235, the movable shaft 3231 moves along the U-shaped plate 321, the first roller 3228 and the second roller 3235 clamp the high-voltage wire, when a worker pulls the high-voltage wire, the high-voltage wire applies tangential force to the first roller 3228, the first roller 3228 rotates, the second roller 3235 also rotates, the circular channel is always kept between the first roller 3228 and the second roller 3235, and the circular channel can limit the moving range of the high-voltage wire, so that the high-voltage wire is prevented from falling from the position between the first roller 3228 and the second roller 3235 in the moving process.
Referring to fig. 11 and 12, it is shown that: a plurality of first sliding grooves are formed in the outer surface of the sleeve 3223, a first limiting ring 3224 is sleeved outside the sleeve 3223, the first limiting ring 3224 is fixedly connected with the vertical plate 3211, a plurality of first sliding blocks 3225 are arranged inside the first limiting ring 3224, the first sliding blocks 3225 are matched with the first sliding grooves, a plurality of second sliding grooves are formed in the outer surface of the movable shaft 3231, a second limiting ring 3232 is sleeved outside the movable shaft 3231, the second limiting ring 3232 is connected with the other end of the U-shaped plate 321, a plurality of second sliding blocks 3233 are arranged inside the second limiting ring 3232, and the second sliding blocks 3233 are matched with the second sliding grooves.
After the high-voltage wire is clamped by the first roller 3228 and the second roller 3235, the high-voltage wire can apply downward force to the first roller 3228 and the second roller 3235 due to the action of falling force, the first roller 3228 and the second roller 3235 can deflect, the sleeve 3223 is limited to rotate by the aid of the first limiting ring 3224, the sleeve 3223 moves along the first sliding block 3225 under the action of the screw rod 3221, meanwhile, the first sliding block 3225 enables the first roller 3228 to keep horizontal, the movable shaft 3231 is limited to rotate by the aid of the second limiting ring 3232, the movable shaft 3231 moves along the second sliding block 3233 under the action of the pushing force, meanwhile, the second sliding block 3233 enables the second roller 3235 to keep horizontal, and accordingly the fact that the first roller 3228 and the second roller 3235 are in a horizontal state at the same time is achieved, and circular channels cannot be formed between the first roller 3228 and the second roller 3235 due to rotation of the sleeve 3223 or the movable shaft 3231 is avoided.
Referring to fig. 10 and 12, it is shown that: the other end of the movable shaft 3231 is provided with a third limiting ring 3236, the third limiting ring 3236 is connected with the movable shaft 3231, one side of the third limiting ring 3236 is provided with a second pressure spring 3237, one end of the second pressure spring 3237 is connected with the third limiting ring 3236, and the other end of the second pressure spring 3237 is connected with the second limiting ring 3232.
After the high-voltage wire is clamped by the first roller 3228 and the second roller 3235, the high-voltage wire is in the high air, the high-voltage wire is greatly influenced by wind force, the high-voltage wire can swing, the second roller 3235 can be subjected to force deviating from the direction of the first roller 3228 when the high-voltage wire swings, if the second roller 3235 is not subjected to force facing the direction of the first roller 3228, the second roller 3235 can be gradually far away from the first roller 3228, the supporting force of one side of the high-voltage wire is lost, the high-voltage wire can fall from the first roller 3228, the second pressure spring 3237 is stretched in the process of pushing the second roller 3235 by the first roller 3228, and accordingly the second pressure spring 3237 applies force facing the first roller 3228 to the second roller 3235, so that the high-voltage wire is prevented from falling from the position between the first roller 3228 and the second roller 3235 due to the swinging of the high-voltage wire.
Referring to fig. 10 and 11, it is shown that: both sides of the first roller 3228 are provided with limiting rings 3229, the limiting rings 3229 are fixedly connected with the first roller 3228, and the outer diameter of the limiting rings 3229 is larger than that of the first roller 3228.
The force of the high-voltage wire to the first roller 3228 is larger than the force of the high-voltage wire to the second roller 3235, the first roller 3228 is easier to deflect, once the first roller 3228 and the second roller 3235 deflect differently, the high-voltage wire is damaged, the two limiting rings 3229 clamp the second roller 3235 in the middle, and when the first roller 3228 deflects, the two limiting rings 3229 drive the second roller 3235 to rotate simultaneously, so that the first roller 3228 and the second roller 3235 keep synchronous movement.
Referring to fig. 2 and 3, it is shown that: the cover body 33 is arranged above the two first limiting structures 32, the lower end of the cover body 33 is fixedly connected with the mounting plate 31, the strip-shaped through grooves 331 are formed in the surfaces of the two sides of the cover body 33, the two strip-shaped through grooves 331 are symmetrically arranged about the center line center of the cover body 33, and strip-shaped pieces 34 are arranged in the two strip-shaped through grooves 331 in a sliding mode.
Birds like nesting on distribution rack, influence the life of distribution rack, also influence centre gripping fastening structure 3 centre gripping high voltage wire simultaneously, through setting up the cover body 33, cover body 33 cover two first limit structure 32 and establish on mounting panel 31, high voltage cable penetrates from the bar logical groove 331 of one side, and the bar logical groove 331 of the opposite side is followed again and is spread, and bar piece 34 covers bar logical groove 331, avoids birds to enter into the cover body 33 from bar logical groove 331 to realize the protection to first limit structure 32.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (9)
1. The utility model provides a distribution network cable fixing device, including bottom plate (1), the lower extreme of bottom plate (1) is provided with connection structure (2) that are used for fixed rack body, a serial communication port, the upper end of bottom plate (1) is provided with clamping and fastening structure (3) that are used for pressing from both sides tight high-voltage wire, clamping and fastening structure includes mounting panel (31), the upper surface of mounting panel (31) is provided with two first limit structure (32), two first limit structure (32) set up about the central line central symmetry of mounting panel (31), be provided with between bottom plate (1) and mounting panel (31) and be used for receiving and releasing structure (4) of unnecessary high-voltage wire, receive and releasing structure (4) including being used for rotating revolution mechanic (41) of mounting panel (31), the both ends of mounting panel (31) all are provided with drive structure (42) that are used for driving revolution mechanic (41) work, drive structure (42) include connecting block (421), one end of connecting block (421) inserts one side of the skew center of mounting panel (31), the other end of connecting block (421) is provided with movable rod (422), one end and the other end of movable rod (422) is articulated with the other end of mounting panel (421), movable rod (422) is provided with outside separation blade (423), the sealing separation blade (423) is arranged in the cylinder body (424) in a sliding manner, the inner diameter of the cylinder body (424) is identical to the outer diameter of the sealing separation blade (423), a cover plate (425) is arranged at the opening end of the cylinder body (424), an exhaust hole is formed in the surface of the cover plate (425), a thermal expansion medium (426) is arranged between the bottom of the cylinder body (424) and the sealing separation blade (423), a support column (427) is arranged at one end of the cylinder body (424), the lower end of the support column (427) is connected with the bottom plate (1), and the upper end of the support column (427) is connected with the cylinder body (424);
The first limit structure (32) comprises a U-shaped plate (321), one side of the middle part of the U-shaped plate (321) deviating from the center is provided with a vertical plate (3211), one end of the U-shaped plate (321) close to the vertical plate (3211) is provided with an active clamping structure (322), the active clamping structure (322) comprises a screw rod (3221), the outside transmission of the screw rod (3221) is connected with a screw sleeve (3222), the screw sleeve (3222) is connected with one end of the U-shaped plate (321), one end of the screw rod (3221) is provided with a sleeve (3223), one end of the sleeve (3223) is sleeved at one end of the screw rod (3221), the middle part of the sleeve (3223) is in sliding connection with the vertical plate (3211), the surface of the screw rod (3221) is sleeved with a first pressure spring (3226), two ends of the first pressure spring (3226) are respectively connected with the screw sleeve (3222) and the sleeve (3223), the other end of the sleeve (3223) is provided with a first wheel carrier (3227), the first wheel carrier (3228) is arranged in the first wheel carrier (3227), one end of the first wheel carrier (3228) is sleeved with a sleeve (3223), one end of the first wheel carrier (321) is sleeved with one end of the first wheel carrier (321) and the first wheel carrier (3231) is provided with a movable shaft (32) and the second end (3231) is provided with a movable shaft (32), a second roller (3235) is arranged in the second wheel frame (3234), and a second annular inner groove is formed in the outer circumferential surface of the second roller (3235).
2. The power distribution network cable fixing device according to claim 1, wherein two second limiting structures (43) are arranged on the upper surface of the base plate (1), the two second limiting structures (43) are respectively arranged below the two connecting blocks (421), the second limiting structures (43) comprise rectangular pieces (431), the rectangular pieces (431) are fixedly connected with the base plate (1), arc grooves (4311) are formed in the surfaces of the rectangular pieces (431), the openings of the arc grooves (4311) face the outer portion of the base plate (1), pin shafts (432) are arranged at one ends of the connecting blocks (421), and one ends of the pin shafts (432) penetrate through the mounting plate (31) and the connecting blocks (421) and are matched with the arc grooves (4311).
3. The distribution network cable fixing device according to claim 2, characterized in that the upper surface of the base plate (1) is further provided with a connecting plate (411), the middle part of the connecting plate (411) is provided with a rotating shaft (412), the lower end of the rotating shaft (412) penetrates through the middle part of the mounting plate (31), the lower end of the rotating shaft (412) is provided with a locking nut (413), a ball pressing piece (414) is arranged between the locking nut (413) and the lower surface of the base plate (1), the upper surface of the base plate (1) is further provided with a limiting plate (415), the limiting plate (415) is fixedly connected with the base plate (1), and a limiting groove (4151) is formed in the middle part of the limiting plate (415).
4. A power distribution network cable fixing device according to claim 3, characterized in that both ends of the upper surface of the base plate (1) are provided with a stretching structure (44), the stretching structure (44) is arranged between the support column (427) and the cylinder (424), the stretching structure (44) comprises a first sliding sleeve (441), one end of the first sliding sleeve (441) is connected with the support column (427), the other end of the first sliding sleeve (441) is provided with a second sliding sleeve (442), one end of the second sliding sleeve (442) is connected with the end of the cylinder (424), the other end of the second sliding sleeve (442) is sleeved at the other end of the first sliding sleeve (441), a fourth pressure spring (443) is arranged between the first sliding sleeve (441) and the second sliding sleeve (442), and both ends of the fourth pressure spring (443) are respectively connected with the first sliding sleeve (441) and the second sliding sleeve (442).
5. The power distribution network cable fixing device according to claim 1, wherein one end of the movable rod (422) is further sleeved with an annular fixing piece (428), the annular fixing piece (428) is fixedly connected with the movable rod (422), a third pressure spring (429) is arranged on one side of the annular fixing piece (428), the third pressure spring (429) is sleeved on the surface of the movable rod (422), one end of the third pressure spring (429) is connected with the annular fixing piece (428), and the other end of the third pressure spring (429) is connected with the cover plate (425).
6. The distribution network cable fixing device according to claim 1, wherein a plurality of first sliding grooves are formed in the outer surface of the sleeve (3223), a first limiting ring (3224) is sleeved outside the sleeve (3223), the first limiting ring (3224) is fixedly connected with the vertical plate (3211), a plurality of first sliding blocks (3225) are arranged inside the first limiting ring (3224), the first sliding blocks (3225) are matched with the first sliding grooves, a plurality of second sliding grooves are formed in the outer surface of the movable shaft (3231), a second limiting ring (3232) is sleeved outside the movable shaft (3231), the second limiting ring (3232) is connected with the other end of the U-shaped plate (321), a plurality of second sliding blocks (3233) are arranged inside the second limiting ring (3232), and the second sliding blocks (3233) are matched with the second sliding grooves.
7. The power distribution network cable fixing device according to claim 6, wherein a third limiting ring (3236) is arranged at the other end of the movable shaft (3231), the third limiting ring (3236) is connected with the movable shaft (3231), a second pressure spring (3237) is arranged at one side of the third limiting ring (3236), one end of the second pressure spring (3237) is connected with the third limiting ring (3236), and the other end of the second pressure spring (3237) is connected with the second limiting ring (3232).
8. The distribution network cable fixing device according to claim 1, wherein both side surfaces of the first roller (3228) are provided with limiting rings (3229), the limiting rings (3229) are fixedly connected with the first roller (3228), and the outer diameter of the limiting rings (3229) is larger than the outer diameter of the first roller (3228).
9. The distribution network cable fixing device according to claim 1, wherein a cover body (33) is covered above the two first limiting structures (32), the lower end of the cover body (33) is fixedly connected with the mounting plate (31), strip-shaped through grooves (331) are formed in the surfaces of two sides of the cover body (33), the two strip-shaped through grooves (331) are symmetrically arranged about the center line center of the cover body (33), and strip-shaped sheets (34) are slidably arranged in the two strip-shaped through grooves (331).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098360.5A CN117096804B (en) | 2023-08-29 | 2023-08-29 | Power distribution network cable fixing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098360.5A CN117096804B (en) | 2023-08-29 | 2023-08-29 | Power distribution network cable fixing device |
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| CN117096804A CN117096804A (en) | 2023-11-21 |
| CN117096804B true CN117096804B (en) | 2024-05-28 |
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| CN202311098360.5A Active CN117096804B (en) | 2023-08-29 | 2023-08-29 | Power distribution network cable fixing device |
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| EP1453169A1 (en) * | 2003-02-28 | 2004-09-01 | France Telecom Sa | Clamping device for an overhead cable to a pole |
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| CN117096804A (en) | 2023-11-21 |
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