CN117498169B - Supporting structure of switch cabinet inlet wire - Google Patents
Supporting structure of switch cabinet inlet wire Download PDFInfo
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- CN117498169B CN117498169B CN202410005521.XA CN202410005521A CN117498169B CN 117498169 B CN117498169 B CN 117498169B CN 202410005521 A CN202410005521 A CN 202410005521A CN 117498169 B CN117498169 B CN 117498169B
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- 239000002184 metal Substances 0.000 claims abstract description 75
- 230000000670 limiting effect Effects 0.000 claims description 36
- 238000005452 bending Methods 0.000 claims description 35
- 244000309464 bull Species 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention relates to the technical field of switch cabinet incoming lines, in particular to a support structure for a switch cabinet incoming line, which comprises a base and a support plate rotationally connected with the upper side of the base, wherein a chute is formed in the support plate, the top end of the support plate is slidably connected with two elastic metal strips, the two elastic metal strips are arranged up and down, a plurality of hollow pipes are rotationally connected between the upper elastic metal strip and the lower elastic metal strip, a rotating roller is sleeved on the outer side of each hollow pipe, the rotating roller is concavely arranged, sliding rods are fixedly connected with the two sides of the bottom end of the elastic metal strip on the lower side, and are slidably arranged on the inner side of the chute.
Description
Technical Field
The invention relates to the technical field of switch cabinet incoming wires, in particular to a support structure for switch cabinet incoming wires.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption, on-off, control or protection of an electric product with the voltage class of 3.6 kV-550 kV, and is a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic superposition and sectionalizer, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.
As shown in fig. 1, at present, when a cable inside the high-voltage switch cabinet 1 is threaded or a cable 4 is threaded inside the high-voltage switch cabinet, a threading hole 3 is formed in the side wall of the high-voltage switch cabinet 1, the extending direction of the cable 4 is likely to be inconsistent with the opening direction of the threading hole 3, and when the extending direction is inconsistent with the opening direction of the threading hole 3, the cable 4 needs to be bent when entering the switch cabinet 1 from the outside, in the bending process, in order to prevent the cable from being damaged, the insulativity is reduced, a certain bending radius distance needs to be ensured, and the larger the cable diameter is, the larger the steering radius needed by bending is.
The existing switch cabinet has no mechanism for supporting and bending cables with different diameters when the cables are fed, and when the existing switch cabinet faces the problems, the cables are easily damaged.
Therefore, a supporting structure of a switch cabinet incoming line is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a supporting structure for a wire inlet of a switch cabinet, which is used for solving the problems that in the prior art, when a cable in the high-voltage switch cabinet is penetrated out or is penetrated into the high-voltage switch cabinet, a threading hole is formed in the side wall of the high-voltage switch cabinet, the direction of the cable along the extending direction is possibly inconsistent with the direction of an opening of the threading hole, when the cable enters the switch cabinet from the outside, the cable needs to be bent, in the bending process, in order to prevent the cable from being damaged, the insulation performance is reduced, a certain bending radius distance needs to be ensured, the larger the diameter of the cable is, the larger the steering radius needed by bending is, and when the cable is in the wire inlet, a mechanism for supporting and bending cables with different diameters is not existed in the conventional switch cabinet, and when the problem is faced, the cable is easily damaged.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a bearing structure of cubical switchboard inlet wire, includes the backup pad of base and base upside rotation connection, the spout has been seted up on the backup pad, the top sliding connection of backup pad has the elastic metal strip, the elastic metal strip is two, and sets up from top to bottom;
a plurality of hollow tubes are rotationally connected between the upper elastic metal strip and the lower elastic metal strip, a rotating roller is sleeved on the outer side of each hollow tube, the rotating roller is arranged in a concave shape, sliding rods are fixedly connected to the two sides of the bottom end of each elastic metal strip on the lower side, the sliding rods are arranged on the inner side of each sliding groove in a sliding mode, the elastic metal strips can be bent to be arc-shaped, and cables can bend and limit the cables along the arc-shaped elastic metal strips;
the supporting plate is provided with a push rod which faces the middle position of the elastic metal strip in a sliding manner, and the bending degree of the elastic metal strip is changed through pushing of the push rod.
Under the arrangement, when the cable bending device is used, firstly, a cable which is not consistent with the opening direction of the threading hole is placed on the upper side of the supporting plate, then the cable is led into the inner side of the switch cabinet through the threading hole, after the cable is led in, the cable is pulled to be pulled by the inner side of the switch cabinet, the outer edge of the cable can bend and turn along the arc shape of the elastic metal strip, and the cable is stretched by pulling the cable, because the rotating rollers are arranged in an inner concave shape, the cable can be bound among the rotating rollers, so that bending limit of the cable is realized, under the condition that the cable is not limited after bending, when the cable turns, the turning distance is too concentrated, the situation that the turning point is damaged due to transitional bending is avoided, and the rotating arrangement of the rotating rollers can reduce friction between the rotating rollers and the cable, further reduce abrasion on the outer side of the cable and ensure the insulation property of the outer side of the cable;
the invention can adjust the steering radius of the cable which is limited by different cable materials and diameters, when the steering radius is adjusted according to actual needs, the rotating plate is rotated, the rotating of the rotating plate drives the screw to rotate, the screw and the screw connection of the fixed plate can enable the screw to move towards the elastic metal strip, the middle part of the elastic metal strip is continuously interfered in the moving process, the bending degree of the middle part of the elastic metal strip is continuously deepened, the spacing space distance of the cable passing through the middle part is reduced along with the deepening of the bending degree, namely the spacing steering radius is reduced, so that the cable with smaller diameter or softer outer surface can be bent, and the sliding rod is slidably arranged on the inner side of the sliding groove in the bending process of the elastic metal strip to compensate the distance;
as an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the support plate is fixedly connected with a fixing plate, the inner side of the fixing plate is spirally connected with a screw rod, one side of the screw rod, facing the elastic metal strip, of the screw rod is fixedly connected with a push rod, and the push rod is moved forward by rotating the screw rod.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: one side of screw rod back towards elastic metal strip fixedly connected with changes the board, one side fixedly connected with gag lever post of ejector pin, the outside of gag lever post and the inboard sliding connection of fixed plate.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the inside fixedly connected with ratchet of upside the elastic metal strip, the outside of hollow tube is connected with the pawl through the hinge rotation, be provided with the torsional spring between the outside of pawl and hollow tube, when hollow tube clockwise rotation, the pawl can slide the ratchet, and when hollow tube anticlockwise rotation, the pawl can block on the ratchet.
Under the arrangement, after the cable is installed, the invention can further play a limiting role on the cable, so that the front end of the cable is prevented from loosening inside the switch cabinet after the rear end of the cable is stressed, the cable is limited by a plurality of rotating rollers, and in the limiting process, the rotating rollers rotate clockwise along with the cable under the action of the ratchet wheel and the pawl during wire feeding, at the moment, the pawl continuously slides over the ratchet wheel to realize rotation, and when the rear end of the cable is stressed, the pawl is clamped on the ratchet wheel under the action of the torsion spring, namely, the rotating rollers can only rotate clockwise, namely, the cable in interference contact with the rotating rollers can only perform wire feeding, and wire outgoing cannot be performed, so that the front end of the cable is prevented from loosening inside the switch cabinet after the rear end of the cable is stressed.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the roller is made of air bag materials, the inside of the roller is hollow, and the inner side of the roller is communicated with the outer side of the hollow pipe.
In order to ensure the full contact between the rotating roller and the cable, when the bending degree of the elastic metal strip is adjusted because the cable diameter is smaller, the gas in the rotating roller is synchronously increased, so that the gas filling quantity in the rotating roller is increased, the contact area between the rotating roller and the cable is increased, and the limiting bending and anti-loosening effects are ensured;
as an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the outside rotation of screw rod is connected with the sliding ring, the top of backup pad is connected with the swivel through the pivot rotation, the outside fixedly connected with telescopic link and bull stick of swivel, the other end of telescopic link passes through the hinge rotation with the outside of sliding ring and is connected, the length of swivel is the biggest flexible length of telescopic link more than 3 times.
Under the above arrangement, when the screw rod rotates to move towards the elastic metal strip, the sliding ring is rotationally connected to the outer side of the screw rod and synchronously moves towards the elastic metal strip, the sliding ring drives the telescopic rod to incline along with the movement of the sliding ring, the displacement distance of the sliding ring is smaller, the telescopic rod and the rotating rod form a lever structure, and because the length of the rotating rod is more than 3 times of the maximum telescopic length of the telescopic rod, under the action of the lever structure, the sliding distance of the tail end of the rotating rod can be doubled when the telescopic rod inclines, the sliding of the tail end of the rotating rod can pull the pull rope to move, the pull rope can pull the piston to move after being turned by the fixed pulley, the pressure in the air tank is increased, and air in the air tank can enter the inner side of the rotating roller through the air outlet pipe, the connecting pipe, the rotary joint and the hollow pipe, and meanwhile, the inner side air in the plurality of rotating rollers is filled, so that the rotating roller is in interference and expansion is caused, the air filling quantity in the rotating roller is increased, the contact area between the rotating roller and the cable is increased, and the limiting bending and anti-loosening effects are ensured.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the top fixedly connected with charging box of backup pad, the one end intercommunication of charging box has the outlet duct, the inboard sliding connection of charging box has the piston, the top of backup pad rotates and is connected with the fixed pulley, the terminal fixedly connected with stay cord of the other end of bull stick, the stay cord passes through the fixed pulley and pierces into charging box and the one end fixed connection of piston, and when the ejector pin pushed, the stay cord can stimulate the piston and move to outlet duct direction.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the end of the air outlet pipe is communicated with a connecting pipe, a rotary joint is communicated with the connecting pipe, the rotary joint is communicated with the top end of the hollow pipe, air inlet to the inside of the rotary roller is realized through the connecting pipe, and the rotary joint is used for eliminating the rotating effect and playing a role in rotation compensation.
As an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the top fixedly connected with bracing piece of base, the top of bracing piece rotates with the top inboard of backup pad to be connected, the spacing groove has been seted up to the junction of backup pad and bracing piece, the outside sliding connection of bracing piece has the spacing ring, the outer fringe of spacing ring coincides with the inner edge of spacing groove, the inner edge of spacing ring coincides with the outer fringe of bracing piece, the inside and outside of spacing ring all is regular hexagon setting.
According to the invention, the directions of the support plate and the elastic metal strip can be adjusted according to the entering direction of an actual cable, so that the cable is convenient to introduce into the inner side of the threading hole, and the limiting ring is detached from the inner side of the limiting groove during adjustment, at the moment, the angles of the support plate and the elastic metal strip can be freely adjusted, and after the angles are adjusted to the required angles, the limiting ring is embedded into the inner side of the limiting groove again, so that the fixing of the direction angles of the support plate and the elastic metal strip is realized;
as an alternative to the support structure for the incoming line of a switchgear cabinet according to the invention, the following is proposed: the outside of spacing ring is connected through the mode of magnetism with the inboard of spacing groove can be dismantled, and the outside of spacing ring is connected for dismantling with the inboard of spacing groove for realize the adjustment and the fixed action of above-mentioned backup pad and elasticity metal strip, the mode of magnetism or buckle is prior art, does not make unnecessary explanation here, also can increase the rubber circle in the outside of spacing ring, realizes dismantling through the frictional force between spacing groove inboard and the spacing ring and connects.
Compared with the prior art, the invention has the beneficial effects that:
1. when the support structure for the switch cabinet incoming line is used, firstly, a cable which is not consistent with the direction of the opening of the threading hole is placed on the upper side of the support plate, then the cable is led into the inner side of the switch cabinet through the threading hole, after the cable is led in, the cable is pulled to be pulled by the inner side of the switch cabinet, the outer edge of the cable can bend and turn along the arc shape of the elastic metal strip, and the cable is stretched by pulling the cable, because the rotating rollers are arranged in an inner concave shape, the cable can be bound among the rotating rollers, so that bending limit of the cable is realized, when the cable turns under the condition of no limit after the limit bending of the cable is ended, the situation that transition bending damage occurs to a turning point due to the fact that the turning distance is too concentrated can be avoided, the rotating arrangement of the rotating rollers can reduce friction between the rotating rollers and the cable, and further reduce abrasion on the outer side of the cable, and ensure the insulation on the outer side of the cable.
2. The invention relates to a support structure for a switch cabinet incoming line, which is limited by the material and the diameter of the outer surface of a cable, and the steering radius required by different cables is different.
3. According to the support structure for the wire inlet of the switch cabinet, after the cable is installed, the support structure can further play a limiting role on the cable, the front end of the cable is prevented from loosening in the switch cabinet after the rear end of the cable is stressed, the cable is limited by the plurality of rotating rollers, the rotating rollers rotate clockwise along with the cable under the action of the ratchet wheel and the pawl in the limiting process, at the moment, the pawl continuously slides over the ratchet wheel to realize rotation, and when the rear end of the cable is stressed, the pawl is clamped on the ratchet wheel under the action of the torsion spring, namely, the rotating rollers can only rotate clockwise, namely, the cable in interference contact with the rotating rollers can only perform wire inlet, and wire outlet cannot be performed, so that the front end of the cable is prevented from loosening in the switch cabinet after the rear end of the cable is stressed.
4. According to the support structure for the incoming line of the switch cabinet, in order to ensure that the rotating roller is fully contacted with the cable, when the bending degree of the elastic metal strip is adjusted because the cable diameter is smaller, gas in the rotating roller can be synchronously increased, so that the gas filling quantity in the rotating roller is increased, the contact area between the rotating roller and the cable is increased, and the limiting bending and anti-loosening effects are ensured;
5. this bearing structure of cubical switchboard inlet wire, when the screw rod rotates the motion towards elasticity metal strip, the outside rotation of screw rod is connected with the sliding ring and can move to elasticity metal strip department in step, along with the motion of sliding ring, the sliding ring drives the telescopic link and appears the slope, the displacement distance of sliding ring is less, telescopic link and bull stick constitute lever structure, and because the length of telescopic link is more than 3 times of the biggest flexible length of telescopic link, under lever structure's effect, the terminal sliding distance of bull stick can doubly increase when the telescopic link inclines, the terminal slip of bull stick can stimulate the stay cord motion, the stay cord can pull the piston motion after the fixed pulley turns to, the inside pressure of plenum chamber rises, the inside gas of plenum chamber can enter into the inboard of changeing the roller through outlet duct and connecting pipe, rotary joint and hollow tube, simultaneously, the inboard gas to a plurality of changeing the roller is filled, make changeing the inside gas filling quantity of roller, increase changeing roller and cable contact area, guarantee foretell spacing crooked and the effect of taking off.
6. This bearing structure of cubical switchboard inlet wire, the orientation of backup pad and elasticity metal strip can be adjusted according to the entering direction of actual cable to play the inboard effect of the wire hole of being convenient for introduce of cable, during the adjustment, dismantle the limit ring out the inboard of spacing groove, at this moment, the angle of backup pad and elasticity metal strip can be adjusted freely, after adjusting the angle of needs, imbed the limit ring to the inboard of spacing groove again, thereby realize the fixed to backup pad and elasticity metal strip direction angle.
Drawings
FIG. 1 is a schematic view of the overall mounting structure of the present invention;
FIG. 2 is a schematic top view of the mounting structure of the support plate of the present invention;
FIG. 3 is a schematic top cross-sectional view of the mounting structure on the support plate of the present invention;
FIG. 4 is a schematic view of the mounting structure of FIG. 3 at A in accordance with the present invention;
FIG. 5 is a schematic view of the mounting structure at the screw of the present invention;
FIG. 6 is a schematic view of the mounting structure at the turning rolls of the present invention;
FIG. 7 is a schematic view of the appearance of the elastic metal strip and the rotating roller of the present invention;
FIG. 8 is a schematic top view of the mounting structure at the hollow tube of the present invention;
FIG. 9 is a schematic view of the structure of FIG. 8B according to the present invention;
FIG. 10 is a schematic view of the mounting structure at the support bar of the present invention;
FIG. 11 is a schematic top view of the mounting structure at the stop collar of the present invention;
fig. 12 is a schematic view of the mounting structure of fig. 10 at C in accordance with the present invention.
FIG. 13 is a schematic view of the structure of the elastic metal strip of the present invention being pushed to adjust the turning radius;
fig. 14 is a schematic view of an inventive wire feed support structure.
In the figure: 1. a switch cabinet; 2. a support plate; 3. a threading hole; 4. a cable; 5. an elastic metal strip; 6. a fixing plate; 7. a rotating plate; 8. an air charging box; 9. an air outlet pipe; 10. a fixed pulley; 11. a rotating rod; 12. a limit rod; 13. a slip ring; 14. a rotating roller; 15. a rotary joint; 16. a connecting pipe; 17. a pull rope; 18. a piston; 19. a chute; 20. a screw; 21. a telescopic rod; 22. a push rod; 23. a hollow tube; 24. a ratchet wheel; 25. a pawl; 26. a torsion spring; 27. a limiting ring; 28. a base; 29. a support rod; 30. a limit groove; 31. a sliding rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1-9, fig. 13 and fig. 14, the present invention provides a technical solution:
the utility model provides a supporting structure of cubical switchboard inlet wire, includes base 28 and the backup pad 2 of base 28 upside rotation connection, has offered spout 19 on the above-mentioned backup pad 2, and the top sliding connection of above-mentioned backup pad 2 has elastic metal strip 5, and above-mentioned elastic metal strip 5 is two, and sets up from top to bottom;
a plurality of hollow tubes 23 are rotatably connected between the upper elastic metal strip 5 and the lower elastic metal strip 5, a rotary roller 14 is sleeved outside the hollow tubes 23, the rotary roller 14 is arranged in a concave shape, sliding rods 31 are fixedly connected to two sides of the bottom end of the lower elastic metal strip 5, the sliding rods 31 are arranged on the inner side of the sliding grooves 19 in a sliding mode, the elastic metal strips 5 can be bent to be arc-shaped, and the cable 4 can be bent and limited by extending along the arc-shaped elastic metal strips 5;
the supporting plate 2 is slidably provided with a push rod 22 facing the middle position of the elastic metal strip 5, and the bending degree of the elastic metal strip 5 is changed by pushing the push rod 22.
Under the above arrangement, when the invention is used, firstly, the cable 4 which is not consistent with the opening direction of the threading hole 3 is placed on the upper side of the supporting plate 2, then the cable 4 is led into the inner side of the switch cabinet 1 from the threading hole 3, after the cable 4 is led into the inner side of the switch cabinet 1, the cable 4 is pulled by the inner side of the switch cabinet 1, the outer edge of the cable 4 can realize bending steering along the arc shape of the elastic metal strip 5, and the cable 4 is tightened by pulling the cable 4, because the rotating roller 14 is in an inner concave arrangement, the cable 4 can be bound among the rotating rollers 14, thereby realizing bending limit of the cable 4, under the condition that the steering distance is too concentrated to cause the transition bending damage of a steering point when the cable 4 is turned, the rotating arrangement of the rotating roller 14 can reduce friction between the rotating roller 14 and the cable 4, further reduce the abrasion of the outer side of the cable 4, and ensure the insulation of the outer side of the cable 4;
the invention is limited by the material and diameter of the outer surface of the cable 4, the steering radius required by different cables 4 is different, the invention can adjust the steering radius of limited bending of the cable 4 according to actual needs, when the invention is adjusted, the rotating plate 7 is rotated, the rotation of the rotating plate 7 can drive the screw rod 20 to rotate, the screw rod 20 and the spiral connection of the fixed plate 6 can lead the screw rod 20 to move towards the elastic metal strip 5, in the moving process, the middle part of the elastic metal strip 5 is continuously interfered, the bending degree of the middle part of the elastic metal strip 5 is continuously deepened, and the limited space distance of the cable 4 passing through the middle part is reduced along with the deepening of the bending degree, namely the limited steering radius is reduced, so that the cable 4 with smaller diameter or softer outer surface can be bent, and the sliding rod 31 is arranged on the inner side of the sliding groove 19 in the bending process of the elastic metal strip 5, and the distance can be compensated;
specifically, the support plate 2 is fixedly connected with a fixing plate 6, the inner side of the fixing plate 6 is spirally connected with a screw rod 20, one side of the screw rod 20 facing the elastic metal strip 5 is fixedly connected with a push rod 22, and the screw rod 20 is rotated to realize the advance of the push rod 22.
Specifically, a rotating plate 7 is fixedly connected to one side of the screw 20 facing away from the elastic metal strip 5, a limiting rod 12 is fixedly connected to one side of the ejector rod 22, and the outer side of the limiting rod 12 is slidably connected to the inner side of the fixed plate 6.
Specifically, the inner side of the elastic metal strip 5 on the upper side is fixedly connected with a ratchet 24, the outer side of the hollow tube 23 is rotatably connected with a pawl 25 through a hinge, a torsion spring 26 is arranged between the pawl 25 and the outer side of the hollow tube 23, when the hollow tube 23 rotates clockwise, the pawl 25 slides over the ratchet 24, and when the hollow tube 23 rotates anticlockwise, the pawl 25 is clamped on the ratchet 24.
Under the above arrangement, after the cable 4 is installed, the invention can further play a limiting role on the cable 4, so that the front end of the cable 4 can be prevented from loosening inside the switch cabinet 1 after the rear end of the cable 4 is stressed, the cable 4 is limited by the plurality of rotating rollers 14, during limiting, the rotating rollers 14 can rotate clockwise along with the cable 4 when the cable 4 is fed under the action of the ratchet wheel 24 and the pawl 25, at the moment, the pawl 25 can continuously slide over the ratchet wheel 24 to realize rotation, and when the rear end of the cable 4 is stressed, the pawl 25 can be clamped on the ratchet wheel 24 under the action of the torsion spring 26, namely, the rotating rollers 14 can only rotate clockwise, namely, the cable 4 in interference contact with the rotating rollers 14 can only be fed, and can not be fed, so that the front end of the cable 4 can be prevented from loosening inside the switch cabinet 1 after the cable 4 is stressed.
Example 2: in this embodiment, as a further improvement of embodiment 1, please refer to fig. 1-9, fig. 13 and fig. 14, the same parts as those of embodiment 1 are not described again, except that; the roller 14 is made of air bag material, the inside is hollow, and the inner side of the roller 14 is communicated with the outer side of the hollow tube 23.
In order to ensure that the rotating roller 14 is fully contacted with the cable 4, when the bending degree of the elastic metal strip 5 is adjusted because the diameter of the cable 4 is smaller, the gas in the rotating roller 14 is synchronously increased, so that the gas filling quantity in the rotating roller 14 is increased, the contact area between the rotating roller 14 and the cable 4 is increased, and the limiting bending and anti-loosening effects are ensured;
specifically, the outer side of the screw 20 is rotatably connected with a slip ring 13, the top end of the supporting plate 2 is rotatably connected with a swivel 32 through a rotating shaft, the outer side of the swivel 32 is fixedly connected with a telescopic rod 21 and a rotating rod 11, the other end of the telescopic rod 21 is rotatably connected with the outer side of the slip ring 13 through a hinge, and the length of the rotating rod 11 is more than 3 times of the maximum telescopic length of the telescopic rod 21.
Under the above arrangement, when the screw rod 20 rotates to move towards the elastic metal strip 5, the sliding ring 13 is rotationally connected to the outer side of the screw rod 20 and synchronously moves towards the elastic metal strip 5, the sliding ring 13 drives the telescopic rod 21 to incline along with the movement of the sliding ring 13, the displacement distance of the sliding ring 13 is smaller, the telescopic rod 21 and the rotating rod 11 form a lever structure, and because the length of the rotating rod 11 is more than 3 times of the maximum telescopic length of the telescopic rod 21, the sliding distance of the tail end of the rotating rod 11 is doubled when the telescopic rod 21 inclines under the action of the lever structure, the sliding of the tail end of the rotating rod 11 pulls the pull rope 17 to move, the pull rope 17 pulls the piston 18 to move after being turned by the fixed pulley 10, the pressure in the air tank 8 is increased, and air in the air tank 8 enters the inner side of the rotating roller 14 through the air outlet pipe 9, the connecting pipe 16, the rotary joint 15 and the hollow pipe 23, and simultaneously the inner side air of the plurality of the rotating rollers 14 is filled, so that the air filling quantity in the rotating roller 14 is increased, the contact area between the rotating roller 14 and the cable 4 is increased, and the limiting and releasing effects are ensured;
specifically, the top of the supporting plate 2 is fixedly connected with an air charging box 8, one end of the air charging box 8 is communicated with an air outlet pipe 9, the inner side of the air charging box 8 is slidably connected with a piston 18, the top of the supporting plate 2 is rotatably connected with a fixed pulley 10, the tail end of the other end of the rotating rod 11 is fixedly connected with a pull rope 17, the pull rope 17 passes through the fixed pulley 10 and penetrates into the air charging box 8 to be fixedly connected with one end of the piston 18, and when the ejector rod 22 pushes, the pull rope 17 pulls the piston 18 to move towards the air outlet pipe 9.
Specifically, the tail end of the air outlet pipe 9 is communicated with a connecting pipe 16, the connecting pipe 16 is communicated with a rotary joint 15, the rotary joint 15 is communicated with the top end of a hollow pipe 23, air inlet inside the counter roller 14 is realized through the connecting pipe 16, and the rotary joint 15 is used for eliminating rotation and performing rotation compensation.
Example 3: in this embodiment, referring to fig. 1 to 14, the same parts as those in embodiment 1 are not described in detail, except that; the top end of the base 28 is fixedly connected with a supporting rod 29, the top end of the supporting rod 29 is rotationally connected with the inner side of the top end of the supporting plate 2, a limiting groove 30 is formed at the joint of the supporting plate 2 and the supporting rod 29, a limiting ring 27 is slidably connected to the outer side of the supporting rod 29, the outer edge of the limiting ring 27 is matched with the inner edge of the limiting groove 30, the inner edge of the limiting ring 27 is matched with the outer edge of the supporting rod 29, and the inner and outer sides of the limiting ring 27 are all arranged in a regular hexagon shape.
According to the invention, the directions of the support plate 2 and the elastic metal strip 5 can be adjusted according to the entering direction of the actual cable 4, so that the cable 4 is convenient to introduce into the inner side of the threading hole 3, during adjustment, the limiting ring 27 is detached from the inner side of the limiting groove 30, at the moment, the angles of the support plate 2 and the elastic metal strip 5 can be freely adjusted, and after the angles are adjusted to the required angles, the limiting ring 27 is embedded into the inner side of the limiting groove 30 again, so that the fixing of the angles of the support plate 2 and the elastic metal strip 5 in directions is realized;
specifically, the outer side of the limiting ring 27 is detachably connected with the inner side of the limiting groove 30 through a magnetic attraction or buckling manner, the outer side of the limiting ring 27 is detachably connected with the inner side of the limiting groove 30, and the adjusting and fixing functions of the supporting plate 2 and the elastic metal strip 5 are achieved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bearing structure of cubical switchboard inlet wire, includes backup pad (2) that base (28) and base (28) upside rotate to be connected, its characterized in that: a sliding groove (19) is formed in the supporting plate (2), the top end of the supporting plate (2) is connected with two elastic metal strips (5) in a sliding mode, and the two elastic metal strips (5) are arranged up and down;
a plurality of hollow tubes (23) are rotationally connected between the upper elastic metal strip (5) and the lower elastic metal strip (5), a rotating roller (14) is sleeved outside the hollow tubes (23), the rotating roller (14) is arranged in a concave shape, sliding rods (31) are fixedly connected to two sides of the bottom end of the lower elastic metal strip (5), the sliding rods (31) are slidably arranged on the inner side of the sliding grooves (19), the elastic metal strips (5) can be bent to be arc-shaped, and a cable (4) can be bent and limited along the arc-shaped elastic metal strips (5);
the supporting plate (2) is provided with a push rod (22) which faces the middle position of the elastic metal strip (5) in a sliding manner, and the bending degree of the elastic metal strip (5) is changed by pushing the push rod (22); the fixing device is characterized in that a fixing plate (6) is fixedly connected to the supporting plate (2), a screw rod (20) is spirally connected to the inner side of the fixing plate (6), a push rod (22) is fixedly connected to one side, facing the elastic metal strip (5), of the screw rod (20), and the screw rod (20) is rotated to enable the push rod (22) to advance; one side of the screw rod (20) back to the elastic metal strip (5) is fixedly connected with a rotating plate (7), one side of the ejector rod (22) is fixedly connected with a limiting rod (12), and the outer side of the limiting rod (12) is in sliding connection with the inner side of the fixed plate (6); the inner side of the elastic metal strip (5) at the upper side is fixedly connected with a ratchet wheel (24), the outer side of the hollow tube (23) is rotationally connected with a pawl (25) through a hinge, a torsion spring (26) is arranged between the pawl (25) and the outer side of the hollow tube (23), when the hollow tube (23) rotates clockwise, the pawl (25) slides over the ratchet wheel (24), and when the hollow tube (23) rotates anticlockwise, the pawl (25) is clamped on the ratchet wheel (24); the rotating roller (14) is made of air bag materials, the inside of the rotating roller (14) is hollow, and the inner side of the rotating roller is communicated with the outer side of the hollow tube (23).
2. A switchgear cabinet inlet wire support structure according to claim 1, characterized in that: the outside rotation of screw rod (20) is connected with sliding ring (13), the top of backup pad (2) is connected with swivel (32) through the pivot rotation, the outside fixedly connected with telescopic link (21) and bull stick (11) of swivel (32), the other end of telescopic link (21) is connected through the hinge rotation with the outside of sliding ring (13), the length of bull stick (11) is more than 3 times of the biggest flexible length of telescopic link (21).
3. A support structure for a switchgear cabinet inlet wire as claimed in claim 2, wherein: the utility model discloses a gas-insulated switchgear, including backup pad, supporting plate (2), charging box (8), piston (18) are connected with in the inboard sliding connection of charging box (8), the top of backup pad (2) is rotated and is connected with fixed pulley (10), the terminal fixedly connected with stay cord (17) of the other end of bull stick (11), stay cord (17) are through fixed pulley (10) and are threaded into charging box (8) and the one end fixed connection of piston (18), and when ejector pin (22) were pushed away, stay cord (17) can stimulate piston (18) to outlet duct (9) direction motion.
4. A switchgear cabinet inlet wire support structure according to claim 3, characterized in that: the tail end of the air outlet pipe (9) is communicated with a connecting pipe (16), the connecting pipe (16) is communicated with a rotary joint (15), the rotary joint (15) is communicated with the top end of the hollow pipe (23), and air inlet inside the counter-rotating roller (14) is realized through the connecting pipe (16).
5. The switchgear cabinet incoming line support structure of claim 4, wherein: the top fixedly connected with bracing piece (29) of base (28), the top of bracing piece (29) is rotated with the top inboard of backup pad (2) and is connected, spacing groove (30) have been seted up to the junction of backup pad (2) and bracing piece (29), the outside sliding connection of bracing piece (29) has spacing ring (27), the outer fringe of spacing ring (27) coincides with the inner edge of spacing groove (30), the inner edge of spacing ring (27) coincides with the outer fringe of bracing piece (29), the inside and outside of spacing ring (27) all are regular hexagon and set up.
6. The switchgear cabinet inlet wire support structure of claim 5, wherein: the outer side of the limiting ring (27) is detachably connected with the inner side of the limiting groove (30) in a magnetic attraction or buckling mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410005521.XA CN117498169B (en) | 2024-01-03 | 2024-01-03 | Supporting structure of switch cabinet inlet wire |
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| CN117498169B true CN117498169B (en) | 2024-03-15 |
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|---|---|
| CN117498169A (en) | 2024-02-02 |
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