CN220822577U - Flame-retardant overhead insulated cable - Google Patents

Abstract

The utility model relates to the technical field of cables and discloses a flame-retardant overhead insulated cable which comprises a rotating shaft, wherein the peripheries of the front end and the rear end of the rotating shaft are respectively and rotatably connected with a rotating block, two sides of the rotating blocks are respectively and fixedly connected with a supporting plate at the end far away from each other, round grooves are respectively formed in the inner walls of the rotating blocks at the front side and the rear side, tooth grooves are respectively formed in the sides, close to each other, of the round grooves, toothed rings are respectively and slidably connected in the tooth grooves, limiting blocks are respectively and fixedly connected with the upper part and the lower part of the inner walls of the toothed rings at the front side and the rear side, limiting grooves are respectively and slidably connected with the upper part and the lower part of the peripheries of the front end and the rear end of the rotating shaft, and a movable ring is respectively and fixedly connected with the front end and the rear end far away from each other. According to the utility model, the rotating block and the supporting plate can be rotated under the combined action of the rotating shaft, the pull rod, the movable ring, the toothed ring, the tooth grooves, the rotating block, the supporting plate, the limiting block and the limiting groove, so that the effect of maintaining the cable to be bent is achieved.

Description

Flame-retardant overhead insulated cable

Technical Field

The utility model relates to the technical field of cables, in particular to a flame-retardant overhead insulated cable.

Background

The cable is a transmission device capable of transmitting electric energy or signals, and is usually composed of several wires or groups of wires, wherein the overhead cable refers to an overhead wire with an insulating layer and a protective sheath, and is a novel transmission mode between the overhead wire and an underground cable, and is usually used in places where the underground cable is inconvenient to lay.

Searching, chinese patent bulletin number: CN210041257U discloses a flame retardant crosslinked polyethylene insulated overhead cable, including cable body, curb plate one and curb plate two, the cable body is fixed through a plurality of fastener chucking curb plate one with curb plate two the place ahead, curb plate one upper portion is passed through connecting block one level is fixed with the lantern ring one, curb plate two lower part is passed through connecting block two levels are fixed with the lantern ring two, the lantern ring one with lantern ring two all rotate and connect on same back shaft. The beneficial effects are that: according to the utility model, the cable body is restrained and fixed through the plurality of wire clamps of the side plate I and the side plate II, and is bent in a mode that the lantern ring I and the lantern ring II rotate around the supporting shaft respectively, and when bending is finished, the included angle state of the side plate I and the side plate II is locked in a mode that the two inserted rods are inserted into the corresponding locking holes I and the locking holes II through the positioning holes respectively, so that the bending state of the cable body is maintained, and the smooth layout of the cable body is guaranteed; however, in this application, the side plate is locked by the arrangement of the insert rod, but the limit structure of the insert rod is lacking, so that the insert rod can fall off in the actual use process, and the fixing effect on the side plate is affected.

Disclosure of utility model

In order to make up for the defects, the utility model provides a flame-retardant overhead insulated cable, which aims to solve the problem that the limiting structure for a plug rod is lacked in the prior art, so that the plug rod can fall off in the actual use process, and the fixing effect on a side plate is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fire-retardant aerial insulated cable, includes the pivot, the pivot both sides all are provided with fixing device, the pivot front and back end periphery all rotates and is connected with the rotating block, both sides the rotating block keeps away from the equal fixedly connected with backup pad of one end mutually, front and back side the circular slot has all been seted up to the rotating block inner wall, front and back side the circular slot is close to one side mutually and all has been seted up the tooth's socket, front and back side all sliding connection has the ring gear in the tooth's socket, front and back side the equal fixedly connected with stopper of ring gear inner wall upper and lower part, the spacing groove has all been seted up to the pivot front and back end periphery upper and lower part, a plurality of equal sliding connection of stopper is in the spacing inslot, front and back side the ring gear keeps away from the equal fixedly connected with of one end and removes the ring mutually, remove the ring is kept away from the equal fixedly connected with pull rod in ring gear one end both sides, front and back side the pull rod is kept away from the ring one end and all runs through the pivot front and back end.

Specifically, can drive the ring gear and break away from the tooth's socket through outwards pulling the pull rod, can make turning block and backup pad rotate, when rotating to suitable angle, promote the pull rod again and push the ring gear into the tooth's socket and carry out the block to under the effect of stopper and spacing groove, prevent that turning block and backup pad from continuing to rotate, in order to reach the effect that keeps the cable that needs to buckle.

As a further description of the above technical solution:

The fixing device comprises a clamping assembly and a plurality of support rods, wherein the support rods are fixedly connected to the front and rear parts of the top wall of the support plate, the top wall of the support rod is rotatably connected with a threaded rod, the two sides of the threaded rod are externally Zhou Jun in threaded connection with pressure rods, and the front end and the rear end of each pressure rod are slidably connected to the inner walls of the support rods.

Specifically, the threaded rod can be rotated to drive the pressing rod to move up and down along with the threaded rod, and the cable can be limited and fixed when the pressing rod moves downwards.

As a further description of the above technical solution:

The clamping assembly comprises a sliding groove, a plurality of sliding grooves are formed in the front and rear parts of the bottom wall of the pressing rod, clamping blocks are connected in the sliding groove in a sliding mode, limiting rods I are arranged on the front and rear walls of the clamping blocks in a penetrating mode, the front and rear ends of the limiting rods I are fixedly connected with the front and rear walls in the sliding groove, the front and rear sides of the clamping blocks are far away from a side wall and are fixedly connected with springs I, the front and rear sides of the clamping blocks are far away from one end of each of the springs I and are fixedly connected with the inner wall of the sliding groove, and the springs I are arranged on the periphery of the limiting rods.

Specifically, along with the clamp splice and cable contact time, can promote the clamp splice and keep away from simultaneously and extrude first spring, can provide reaction force when first spring receives the compression to promote the clamp splice to carry out the centre gripping fixedly to the cable, and then reach the fixed effect of being applicable to different specification cables.

As a further description of the above technical solution:

The front side and the rear side are respectively clamped with a cable at the side, which is close to the clamping blocks.

Specifically, the cable is made of neoprene, has high flame retardant property, and can effectively delay and prevent the damage of flame to the cable.

As a further description of the above technical solution:

Both sides the threaded rod bottom all rotates to be connected at the backup pad roof, the front side roof is equal fixedly connected with gag lever post two in the bracing piece, both sides gag lever post two bottom all runs through the depression bar upper and lower wall and fixed connection at the backup pad roof.

Specifically, through limiting the bottom of threaded rod, can guarantee threaded rod pivoted stability, can guarantee the stability that the depression bar removed through being provided with gag lever post two.

As a further description of the above technical solution:

The front side and the rear side the pull rod is kept away from the equal fixedly connected with fixed disk of one end mutually, fixed disk keeps away from pull rod one end fixedly connected with handle, pivot middle part periphery fixedly connected with limiting plate.

Specifically, can carry out the unified connection through being provided with the fixed disk to the pull rod of front and back end and fix, the staff of being convenient for again cooperates the handle and pulls the pull rod, the staff's of being convenient for use.

As a further description of the above technical solution:

the front side and the rear side the round groove is internally provided with a first spring and a second spring, wherein the two sides of the round groove far away from one end are fixedly connected with the second spring, the two sides of the round groove near one end are fixedly connected with the front side and the rear side the movable ring is far away from one side wall, and the two springs are arranged on the periphery of the pull rod.

Specifically, when the movable ring moves, the second spring is extruded, so that when a worker loosens the pull rod, the movable ring is pushed to reset by itself under the action of the second spring.

The utility model has the following beneficial effects:

1. According to the utility model, the rotating block and the supporting plate can be rotated under the combined action of the rotating shaft, the pull rod, the movable ring, the toothed ring, the tooth grooves, the rotating block, the supporting plate, the limiting block and the limiting groove, and meanwhile, the rotating block can be limited, so that the effect of keeping a cable to be bent is achieved.

2. According to the utility model, under the combined action of the threaded rod, the compression rod, the support rod, the clamping block, the cable, the first limiting rod, the sliding chute and the first spring, the first spring is extruded when the clamping block moves, and the first spring provides a reaction force when being compressed, so that the clamping block is pushed to be close to each other and the cable is clamped and fixed, and the effect of being suitable for fixing cables with different specifications is achieved.

Drawings

Fig. 1 is a perspective view of a flame retardant overhead insulated cable according to the present utility model;

FIG. 2 is a top cross-sectional view of a flame retardant overhead insulated cable according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a front cross-sectional view of a flame retardant overhead insulated cable according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at B;

Fig. 6 is a side cross-sectional view of a flame retardant overhead insulated cable according to the present utility model.

Legend description:

1. A rotating shaft; 2. a fixing device; 201. a support rod; 202. a threaded rod; 203. a compression bar; 204. a chute; 205. clamping blocks; 206. a first spring; 207. a first limit rod; 3. a rotating block; 4. tooth slots; 5. a toothed ring; 6. a circular groove; 7. a pull rod; 8. a second spring; 9. a fixed plate; 10. a handle; 11. a limiting disc; 12. a cable; 13. a limit groove; 14. a limiting block; 15. a second limiting rod; 16. a support plate; 17. the ring is moved.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2, 3 or 5, one embodiment of the present utility model provides: the utility model provides a fire-retardant overhead insulated cable, including pivot 1, pivot 1 both sides all are provided with fixing device 2, pivot 1 front and back end periphery all rotates and is connected with rotating block 3, both sides rotating block 3 keep away from one end all fixedly connected with backup pad 16, round slot 6 has all been seted up to front and back side rotating block 3 inner wall, front and back side round slot 6 is close to one side all has seted up tooth's socket 4, all sliding connection has toothed ring 5 in front and back side tooth's socket 4, the upper and lower part of front and back side toothed ring 5 inner wall all fixedly connected with stopper 14, spacing groove 13 has all been seted up to pivot 1 front and back end periphery upper and lower part, a plurality of stoppers 14 all sliding connection are in spacing groove 13, front and back side toothed ring 5 keep away from one end all fixedly connected with shifting ring 17 mutually, shifting ring 17 keeps away from one end both sides of toothed ring 5 all fixedly connected with pull rod 7, front and back side pull rod 7 keeps away from shifting ring 17 one end all runs through pivot 1 front and back end;

specifically, fix pivot 1, can drive corresponding shift ring 17 through outwards pulling pull rod 7 afterwards, can drive toothed ring 5 and remove when shift ring 17 removes, after toothed ring 5 removes and breaks away from in the tooth's socket 4, can make rotatory piece 3 rotate as the axis with pivot 1, can drive backup pad 16 when rotatory piece 3 rotates and rotate, when rotating to suitable angle, promote pull rod 7 again, push into toothed ring 5 in the tooth's socket 4 through pull rod 7 and shift ring 17 and block, because toothed ring 5 removes and can drive stopper 14 and remove in spacing groove 13, consequently pivot 1 can carry out spacingly to stopper 14 through spacing groove 13, thereby carry out spacingly to toothed ring 5 and carry out spacingly to the tooth's socket 4 of block through stopper 14, and then carry out spacingly to rotatory piece 3, prevent rotatory piece 3 and backup pad 16 continue to rotate, in order to reach the effect that keeps the cable 12 that needs to buckle.

Referring to fig. 1 or 6, the fixing device 2 includes a clamping assembly and support rods 201, wherein a plurality of support rods 201 are fixedly connected to front and rear parts of top wall of the support plate 16, top walls of rear support rods 201 are rotatably connected with threaded rods 202, outer Zhou Jun of threaded rods 202 on two sides are in threaded connection with compression rods 203, and front and rear ends of compression rods 203 on two sides are slidably connected to inner walls of the support rods 201;

Referring to fig. 6, the clamping assembly includes a sliding groove 204, a plurality of sliding grooves 204 are all started at the front and rear parts of the bottom wall of the compression bar 203, clamping blocks 205 are all connected in the sliding grooves 204 in a sliding manner, first limit rods 207 are all penetrated through the front and rear walls of the sliding grooves 205, the front and rear ends of the first limit rods 207 are all fixedly connected with the front and rear walls of the sliding grooves 204, first springs 206 are all fixedly connected with the front and rear side clamping blocks 205 away from one side wall, the front and rear side springs 206 are all fixedly connected with the inner wall of the sliding groove 204 at the far end, and the first springs 206 are all arranged at the periphery of the first limit rods 207;

Specifically, the threaded rod 202 is rotated to drive the pressing rod 203 connected with the threaded rod 202 to move, and since the pressing rod 203 is limited by the inner wall of the supporting rod 201, the pressing rod 203 moves up and down along with the rotation of the threaded rod 202, when the pressing rod 203 moves down, the connected clamping block 205 is driven to move down, and when the clamping block 205 moves down continuously to enable the clamping block 205 to be in contact with the cable 12, the clamping block 205 is subjected to extrusion force, so that the clamping blocks 205 on the front side and the rear side are pushed to be simultaneously far away along the limiting rod 207, when the clamping block 205 is simultaneously far away, the first spring 206 in the sliding groove 204 is extruded and compressed, and when the first spring 206 is compressed, a reaction force is provided, so that the clamping blocks 205 are pushed to be close to each other and the cable 12 is clamped and fixed, and the effect suitable for fixing cables of different specifications is achieved.

Referring to fig. 1, the cables 12 are engaged with the front and rear side clamping blocks 205 on the sides close to each other;

specifically, the cable 12 can be limited and fixed through the compression bar 203 and the clamping block 205; the cable 12 is made of neoprene, has high flame retardant property, and can effectively delay and prevent the damage of flame to the cable 12.

Referring to fig. 6, the bottom ends of the threaded rods 202 on both sides are rotatably connected to the top wall of the support plate 16, the inner top wall of the front support rod 201 is fixedly connected with the second limit rod 15, and the bottom ends of the second limit rods 15 on both sides penetrate through the upper wall and the lower wall of the compression rod 203 and are fixedly connected to the top wall of the support plate 16;

Specifically, the bottom end of the threaded rod 202 is limited to ensure the stability of the rotation of the threaded rod 202, and the second limit rod 15 is arranged to further limit the pressure rod 203, so that the stability of the movement of the pressure rod 203 is ensured.

Referring to fig. 1 or 2, the ends of the front and rear side pull rods 7 far away from each other are fixedly connected with a fixed disc 9, one end of the fixed disc 9 far away from the pull rods 7 is fixedly connected with a handle 10, and the periphery of the middle part of the rotating shaft 1 is fixedly connected with a limiting disc 11;

Specifically, the pull rod 7 at the front end and the rear end can be uniformly connected and fixed through the fixing disc 9, and the pull rod 7 can be pulled by a worker conveniently through the cooperation of the handle 10, so that the use of the worker is facilitated.

Referring to fig. 3, two sides of the far end in the front and rear circular grooves 6 are fixedly connected with a second spring 8, one ends of the second springs 8 close to the front and rear circular grooves are fixedly connected with a movable ring 17 far from one side wall of the movable ring 17, and a plurality of second springs 8 are arranged on the periphery of the pull rod 7;

Specifically, by the aid of the spring II 8, when a worker pulls the pull rod 7 to drive the movable ring 17 to move, the movable ring 17 can squeeze the spring II 8, and when the spring II 8 is compressed, a reaction force is provided to push the movable ring 17, so that when the worker releases the pull rod 7, the worker pushes the movable ring 17 to reset automatically under the action of the spring II 8.

Working principle: in the actual use process, the rotating shaft 1 is fixed, then the pull rod 7 is pulled outwards to drive the toothed ring 5 to be separated from the tooth grooves 4, so that the rotating block 3 rotates and the supporting plate 16 is driven to rotate, when the rotating block rotates to a proper angle, the pull rod 7 is pushed to push the toothed ring 5 into the tooth grooves 4 to be clamped, and the limiting block 14 is driven to move in the limiting groove 13 when the toothed ring 5 moves, so that the rotating shaft 1 limits the limiting block 14 through the limiting groove 13, the rotating block 3 is further limited, and the rotating block 3 and the supporting plate 16 are prevented from continuing to rotate, so that the effect of keeping the cable 12 to be bent is achieved; in addition, the threaded rod 202 can drive the pressing rod 203 to move up and down, when the pressing rod 203 moves down, the connected clamping blocks 205 are driven to move down, when the clamping blocks 205 are in contact with the cables 12, the clamping blocks 205 on the front side and the rear side are pushed to be away from and squeeze the first springs 206 in the sliding grooves 204, and when the first springs 206 are compressed, reaction force is provided, so that the clamping blocks 205 are pushed to be close to each other and clamp and fix the cables 12, and the effect of being applicable to fixing cables of different specifications is achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a fire-retardant overhead insulated cable, includes pivot (1), its characterized in that: the utility model discloses a rotary shaft, including pivot (1), pivot (1) front and back end periphery all rotates and is connected with rotary block (3), both sides rotary block (3) keep away from one end and all fixedly connected with backup pad (16) mutually, front and back side rotary block (3) inner wall all has seted up circular slot (6), front and back side circular slot (6) all have been seted up tooth's socket (4) near one side mutually, front and back side equal sliding connection has toothed ring (5) in tooth's socket (4), front and back side toothed ring (5) inner wall upper and lower part all fixedly connected with stopper (14), limiting groove (13) have all been seted up to lower part around pivot (1) front and back end periphery, a plurality of equal sliding connection is in limiting groove (13), front and back side toothed ring (5) keep away from one end equal fixedly connected with movable ring (17) mutually, movable ring (17) are kept away from toothed ring (5) one end both sides equal fixedly connected with pull rod (7), front and back side movable ring (7) keep away from front and back end (17) all run through pivot (1).

2. A flame retardant overhead insulated cable according to claim 1, wherein: fixing device (2) are including clamping component and bracing piece (201), a plurality of equal fixed connection of bracing piece (201) is at the front and back portion of backup pad (16) roof, and the rear side the equal rotation of bracing piece (201) roof is connected with threaded rod (202), both sides threaded rod (202) outer Zhou Jun threaded connection has depression bar (203), both sides the equal sliding connection of front and back end of depression bar (203) is at bracing piece (201) inner wall.

3. A flame retardant overhead insulated cable according to claim 2, wherein: the clamping assembly comprises a sliding groove (204), wherein a plurality of sliding grooves (204) are formed in the front and rear parts of the bottom wall of a pressing rod (203), clamping blocks (205) are connected in the sliding groove (204) in a sliding manner, limiting rods (207) are arranged on the front and rear walls of the clamping blocks (205) in a penetrating manner, the front and rear ends of the limiting rods (207) are fixedly connected with the front and rear walls of the sliding groove (204), the front and rear sides of the clamping blocks (205) are far away from one side wall and are fixedly connected with springs (206), the front and rear sides of the springs (206) are far away from one end of the springs and are fixedly connected with the inner wall of the sliding groove (204), and the springs (206) are arranged on the periphery of the limiting rods (207).

4. A flame retardant overhead insulated cable according to claim 3, wherein: the cable (12) is clamped at the front side and the rear side of the clamping blocks (205) which are close to each other.

5. A flame retardant overhead insulated cable according to claim 2, wherein: the two sides the threaded rod (202) bottom all rotates to be connected at backup pad (16) roof, the front side roof all fixedly connected with gag lever post two (15) in bracing piece (201), both sides gag lever post two (15) bottom all runs through depression bar (203) upper and lower wall and fixed connection at backup pad (16) roof.

6. A flame retardant overhead insulated cable according to claim 1, wherein: the front side and the rear side the pull rod (7) keep away from one end all fixedly connected with fixed disk (9) mutually, fixed disk (9) keep away from pull rod (7) one end fixedly connected with handle (10), pivot (1) middle part periphery fixedly connected with limiting plate (11).

7. A flame retardant overhead insulated cable according to claim 1, wherein: the round groove (6) is internally provided with a round groove (17) which is internally provided with a round groove, the round groove is internally provided with a round groove (6) which is internally provided with a plurality of round grooves, the round groove is internally provided with a round groove (7), the round groove is internally provided with a round groove (8), the round groove is internally provided with a round groove (17), the round groove is internally provided with a round groove (7), the round groove is internally provided with a round groove (8), the round groove is internally provided with a round groove (7).