CN115764452B - High-voltage cable connector - Google Patents

Abstract

The invention relates to the field of cable connectors, in particular to a high-voltage cable connector, which comprises a male head and a female head; a ring body is fixedly connected at the middle position of the male head and the female head, an annular groove is formed in the middle position of the outer ring of the ring body, and a connecting mechanism is arranged between the two ring bodies; the connecting mechanism comprises a plurality of first rods, second rods and threaded cylinders; the ends of the second rod and the first rod are in threaded connection in the threaded cylinder; an outer ring of each thread cylinder is fixedly connected with an outer toothed ring; the inner gear ring is fixedly connected with the inner gear ring, and the inner gear ring is meshed with the outer gear ring.

Description

High-voltage cable connector

Technical Field

The invention relates to the field of cable connectors, in particular to a high-voltage cable connector.

Background

The high-voltage cable is used for transmitting the voltage between 1kv and 1000kv, the conductive core of the high-voltage cable is generally made of copper or aluminum materials, due to the excellent conductive performance of copper conductors, more and more projects adopt copper-core power cables as main channels of a power supply system, and the application of aluminum-core power cables is less, especially in a higher-voltage power system, the more copper-core cables are selected.

When the high-voltage cable is laid and connected, the disconnection end of the high-voltage cable is required to be connected through a special connector, the connector comprises a most basic male head and a female head, the male head and the female head are respectively connected with the end part of the cable, then the positions of the male head and the female head sleeve are clamped with conductive cores of the cable through hydraulic pliers, the male head is inserted into the female head, then a plurality of bolts of the outer rings of the male head and the female head are sequentially tightened, and finally an insulating protective shell is sleeved.

According to the connecting mode, a plurality of bolts are needed to be tightened, the bolts are operated, more working time is necessarily needed to be occupied, meanwhile, continuous high-strength labor force is brought to operators, or safety risks are increased when the operators ascend, the bolts are operated for a long time, and tightening force of each bolt is consistent, otherwise, the connecting position of the connector is laterally deviated, the connector is in a laterally deviated state for a long time, so that the lateral deviation amplitude is larger and larger, the connector cannot bear swing and vibration of a high-voltage cable when the connector is severe, and the connector is disconnected from the laterally deviated position;

accordingly, a high voltage cable connector is proposed to address the above-mentioned problems.

Disclosure of Invention

In order to make up for the defects in the prior art, the invention provides a high-voltage cable connector.

The technical scheme adopted for solving the technical problems is as follows: the invention relates to a high-voltage cable connector, which comprises a male head and a female head; one end of the male head and one end of the female head are respectively provided with a connecting hole, and the end part of the cable is fixedly connected in the connecting hole; the outer ring of the connecting position of the male head and the female head is symmetrically and fixedly connected with a ring body, an annular groove is formed in the middle of the outer ring of the ring body, and a connecting mechanism is arranged between the two ring bodies; the connecting mechanism comprises a plurality of first rods, second rods and threaded barrels; the first rod is fixedly connected to the end face of one ring body, the second rod is fixedly connected to the end face of the other ring body, and the end parts of the second rod and the first rod are in threaded connection in the threaded cylinder; an outer ring of each thread cylinder is fixedly connected with an outer toothed ring; the two ring bodies are sleeved with driving rings, the inner rings of the driving rings are symmetrically provided with limiting rings, the limiting rings are clamped in the annular grooves, the inner rings of the driving rings are fixedly connected with inner gear rings, and the inner gear rings are meshed with outer gear rings; the end part of the high-voltage cable is inserted into a connecting hole of the male head and the female head, the male head and the female head are pressed and tightened through the hydraulic pliers, the threaded cylinders are sequentially connected to the first rod in a rotating mode, the rotating threaded length is three times of the internal threaded length of the threaded cylinders, the driving ring is sleeved, the male head is inserted into the female head, the second rod is aligned with the threaded cylinders, the limiting ring on the driving ring is in clearance fit with the annular groove, the limiting ring can axially deviate in the annular groove, meanwhile, the inner gear ring of the inner ring of the driving ring is meshed with the outer gear ring on the threaded cylinders, the driving ring is rotated, the threaded cylinders are driven to rotate, the first rod and the second rod are respectively pulled by the ring body, the male head and the female head are mutually pressed in a closing mode, locking of the male head and the female head is achieved, meanwhile, the limiting ring is also pressed by the annular groove, sealing is carried out between the limiting ring and the annular groove, and the possibility that rainwater or dust permeates to the connecting position of the male head and the female head is reduced; compare traditional through the bolt tightening, the connector that provides in this embodiment can once only drive a plurality of screw barrels and rotate and tighten up the ring body for public head is close to the extrusion with female head each other together, saves time, reduces and lasts high strength labour time to and when arranging in high altitude construction, reduces installation time, reduces the operation safety risk.

Preferably, the outer ring of the driving ring is symmetrically and fixedly connected with a handle, the end face of the end part of the handle is provided with a waist-shaped hole, a pull rod is connected in the waist-shaped hole in a sliding way, a sliding hole is formed in the end face of the handle, the sliding hole is formed to the surface of the inner ring of the limiting ring, a push rod is arranged in the sliding hole, one end of the push rod is fixedly connected with the pull rod, the middle position of the push rod is connected in the sliding hole in a sliding way through a spring, and the other end of the push rod penetrates through the inner ring of the ring body and is embedded in a fixing hole formed in the inner surface of the annular groove; when the high-voltage cable is placed in the external environment, external natural wind blows the cable to shake, so that the cable vibrates at high frequency, the vibration can be directly transmitted to the threaded cylinder, meanwhile, a trend of mutual separation exists between the male head and the female head, the first rod and the second rod tend to be separated from the threaded cylinder, the driving ring is necessarily rubbed to rotate by rotation of the threaded cylinder, a self-locking mechanism is arranged on the driving ring, the push rod is inserted into a fixing hole in the annular groove under the thrust of a connecting spring of the push rod, at the moment, the relative rotation between the driving ring and the ring body is locked by the push rod, the threaded cylinder is locked, and then the trend of mutual separation between the male head and the female head and external vibration force are counteracted, so that stable connection between the male head and the female head is ensured.

Preferably, a smooth part and a thread part are arranged in each thread cylinder, and a step is arranged between the smooth part and the thread part; the surface of the first rod is a smooth surface, and the first rod is connected to the smooth part in a sliding way and limited at the end surface position of the step; the surface of the second rod is a threaded surface and is in threaded connection with the threaded part; because the length of the first rod which is screwed into the threaded cylinder needs to be considered in terms of accuracy, when the threaded cylinder is screwed into the second rod, the distance between the end part of the threaded cylinder and the ring body is different, so that the length of the second rod which is finally screwed into the threaded cylinder is uniform, the end surfaces of the two ring bodies are placed in different-plane inclined states, the axes of the male head and the female head are different, and the problem of side distortion is solved; for this reason with setting up smooth part and screw thread portion in the screw thread section of thick bamboo, the smooth part of connection in the screw thread section of thick bamboo is rotated to the pole, the screw thread section of thick bamboo threaded connection in the screw thread section of thick bamboo is No. two, this just makes the screw thread section of thick bamboo install in advance on the pole, later when rotating the screw thread section of thick bamboo, screw thread section of thick bamboo screw thread tightens up No. two poles, no. two poles rotate to the screw thread section of thick bamboo in, and need not consider the problem of connecting the screw thread section of thick bamboo rotation length on the pole No. one anymore, also can prevent simultaneously that the screw thread section of thick bamboo from when the screw thread connection is the pole No. one, dropping and losing the problem of screw thread section of thick bamboo spare part.

Preferably, a through hole is formed in the center of each ring body, the male head and the female head penetrate through the through holes, and a plurality of rectangular holes are uniformly formed in the inner ring of each through hole; the outer rings of the male head and the female head are provided with connecting plates, the outer rings of the connecting plates are provided with rectangular convex parts, and the rectangular convex parts penetrate through rectangular holes; the ring body is separated from the male head and the female head, so that the stacking and the transportation of the cable connector parts are facilitated, the separate parts can be taken down for replacement when a certain part on the cable connector is damaged, the whole male head and or female head parts are not required to be replaced, the expenditure is reduced, the male head and the ring body are convenient and quick to install, only the end part of the male head or the female head is required to penetrate through the through hole, and then the ring body is rotated, so that the rectangular convex part is extruded on the upper inner end surface of the ring body.

Preferably, a plurality of notches are formed on the inner end surfaces of the two ring bodies opposite to each other, the notches are positioned on one side of the rectangular hole, and inclined planes between the notches and the rectangular hole are in transitional arrangement; through setting up the breach, when rectangle convex part to ring body inner end face for in the breach was arranged in to rectangle convex part, fixed the relative rotation between ring body and public head and the female head, when tightening screw thread section of thick bamboo, rectangle convex part was extrudeed in the breach once more, makes the rotation between public head and female head and the ring body tightly restrained, guarantees the connection stability between public head and the female head.

Preferably, the outer end face of each ring body is provided with a ring-shaped thread groove, the cross section of the thread groove is in an isosceles trapezoid shape, a threaded connection fastening ring is arranged in the thread groove, the outer ring of the fastening ring is provided with threads, and the cross section of the thread part of the threaded fastening ring is in a wedge shape; through-hole inner circle and public head and female first outer lane clearance fit, be the penetration of the public head of convenience, but also bring some problems for in external rainwater and the dust infiltration clearance, clearance fit makes female head and public head have a trend at the through-hole wobbling simultaneously easily, namely, public head and female head and stability between the ring body are relatively poor, set up fastening ring cooperation thread groove for this reason, with the fastening ring cover on public head and female head, place the rear side of ring body in, with the rotatory screw thread inslot that gets into of fastening ring, the setting of screw thread groove and fastening ring shape, make the screw thread inslot wall extrude to the through-hole axis side, extrude on public head and female head surface, stability and leakproofness are improved.

Preferably, the outer ring of the female head is symmetrically and fixedly connected with a base block, a through hole is formed in the base block, a fastening bolt penetrates through the base block through radial threads, extends into the female head and is extruded on the surface of the male head; through setting up the basic block to cooperate fastening bolt, fastening bolt runs through the basic block, and extends to female head inside, extrudees on public first surface, further improves the connection stability intensity between female head and the public head, also can conveniently draw forth the branch line on public first female head simultaneously, other electrical apparatus of being convenient for electric connection, perhaps bind the insulating rope in the through-hole, hang this cable connector level and put, make public head, female head and cable connector place same axis as far as possible, reduce the crooked trend of cable to cable connector's extrusion.

Preferably, the ends of the male head and the female head are provided with tensioning mechanisms; the tensioning mechanism comprises a locking ring which is arranged in half and wrapped on the outer ring of the cable, and threaded rods at two ends of the locking ring are fixedly connected; the fastening ring that sets up is installed on the cable, through installing the locking ring at the tip of cable, facilitates the use insulating rope to the lifting of cable, can wrap up in the locking ring simultaneously not only cable itself, can also together install the parcel with extra affiliated cable wire and wrap up, later hang through the insulating rope, place the same axis state.

Preferably, the end of each threaded rod is provided with a rope hole, a steel wire rope penetrates through the rope hole, the steel wire rope is wound on the threaded rod, and the other end of the steel wire rope is inserted into the through hole; when the threaded rod is rotated anticlockwise, the threaded rod is in a tightening trend, so that two fastening rings in half are tighter, the steel wire rope tied in the rope hole of the threaded rod is in a tightening state, when the cable is separated from the male head or the female head, the steel wire rope can be further tensioned, and meanwhile, the threaded rod is also in a tightening state, so that the connection strength between the cable and the male head or the female head is further improved.

Preferably, the bottom of each connecting hole is radially provided with an observation hole; through setting up the observation hole for when the conductive cell of cable inserts in the connecting hole, can learn whether the conductive cell of cable inserts in place, when guaranteeing that connecting hole position is extruded by hydraulic tong, can effectively extrude the parcel with the cell.

The invention has the advantages that:

1. according to the connector provided by the invention, compared with the traditional connector which is tightened by bolts, the connector provided by the invention can drive a plurality of thread cylinders to rotate and tighten the ring body at one time, so that the male head and the female head are mutually close to each other and are extruded together, the time is saved, the continuous high-strength labor time is reduced, the installation time is reduced when the connector is placed in high-altitude operation, and the operation safety risk is reduced.

2. According to the invention, the smooth part and the threaded part are arranged in the threaded cylinder, the first rod is rotationally connected with the smooth part in the threaded cylinder, and the second rod is in threaded connection with the threaded part in the threaded cylinder, so that the threaded cylinder is pre-installed on the first rod, then when the threaded cylinder is rotated, the second rod is screwed tightly by the threaded cylinder, the second rod is rotated into the threaded cylinder, the problem of the length of the threaded cylinder rotationally connected with the first rod is not considered, and meanwhile, the problem of dropping and losing of parts of the threaded cylinder when the threaded cylinder is in threaded connection with the first rod can be prevented.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a cable connector according to a first embodiment;

FIG. 2 is a perspective view showing the mating of the ring body with the male and female heads in the first embodiment;

FIG. 3 is a perspective view of a threaded cylinder according to one embodiment;

FIG. 4 is a cross-sectional view of a screw barrel in accordance with one embodiment;

FIG. 5 is a perspective view of a drive ring in accordance with one embodiment;

FIG. 6 is a perspective view showing the cooperation between the connecting plate and the ring body in the first embodiment;

FIG. 7 is a perspective view showing the cooperation of the fastening ring and the thread groove in the first embodiment;

FIG. 8 is a perspective view of a ring body in accordance with the first embodiment;

FIG. 9 is a perspective view of a fastening ring according to the first embodiment;

FIG. 10 is a cross-sectional view showing the engagement of the fastening ring with the thread groove in the first embodiment;

FIG. 11 is a diagram showing the combination of a wire rope and a threaded rod according to the first embodiment;

fig. 12 is a perspective view showing the cooperation between the observation hole and the male in the second embodiment.

In the figure: the male head 1, the female head 2, the ring body 3, the annular groove 4, the first rod 5, the second rod 6, the threaded cylinder 7, the outer toothed ring 8, the driving ring 9, the limiting ring 10, the inner gear ring 11, the handle 12, the waist-shaped hole 13, the pull rod 14, the sliding hole 15, the push rod 16, the fixing hole 17, the through hole 18, the rectangular hole 19, the connecting plate 20, the rectangular convex part 21, the notch 22, the threaded groove 23, the fastening ring 24, the base block 25, the through hole 26, the locking ring 27, the threaded rod 28, the rope hole 281, the steel wire rope 29 and the observation hole 30.

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.

Referring to fig. 1, 2, 3, 4, 5 and 11, a high voltage cable connector comprises a male head 1 and a female head 2; one end of the male head 1 and one end of the female head 2 are respectively provided with a connecting hole, and the end part of the cable is fixedly connected in the connecting holes; the outer ring of the connecting position of the male head 1 and the female head 2 is symmetrically and fixedly connected with a ring body 3, an annular groove 4 is formed in the middle of the outer ring of the ring body 3, and a connecting mechanism is arranged between the two ring bodies 3; the connecting mechanism comprises a plurality of first rods 5, second rods 6 and threaded cylinders 7; the first rod 5 is fixedly connected to the end face of one ring body 3, the second rod 6 is fixedly connected to the end face of the other ring body 3, and the end parts of the second rod 6 and the first rod 5 are in threaded connection in the threaded cylinder 7; an outer ring of each thread cylinder 7 is fixedly connected with an outer tooth ring 8; the two ring bodies 3 are sleeved with driving rings 9, the inner rings of the driving rings 9 are symmetrically provided with limiting rings 10, the limiting rings 10 are clamped in the annular grooves 4, the inner rings of the driving rings 9 are fixedly connected with inner gear rings 11, and the inner gear rings 11 are meshed with the outer gear rings 8; in the embodiment of the invention, the end part of a high-voltage cable can be quickly installed by designing a high-voltage cable connector, firstly, inserting the end part of the high-voltage cable into a connecting hole of a male head 1 and a female head 2, then, extruding and tightening by a hydraulic clamp, then, sequentially rotating a plurality of screw barrels 7 to be connected with a first rod 5, wherein the rotating screw length is three of the inner screw length of the screw barrels 7, then, sleeving a driving ring 9, then inserting the male head 1 into the female head 2, aligning a second rod 6 with the screw barrels 7, then, clearance fitting a limiting ring 10 on the driving ring 9 into an annular groove 4, axially shifting the limiting ring 10 in the annular groove 4, simultaneously, meshing an annular ring 11 of an inner ring of the driving ring 9 with an outer tooth ring 8 on the screw barrels 7, then, rotating the driving ring 9, driving the screw barrels 7, and inwards tensioning the first rod 5 and the second rod 6, respectively pulling a ring body 3, pulling the male head 1 and the female head 2 to be mutually pressed, so that the male head 1 and the female head 2 are mutually pressed, and simultaneously, the limiting ring 10 can be tightly connected with the annular groove 10 and the annular groove 4 to the inner tooth ring 10 can be sealed with the annular groove 2 or the inner ring 10 can be sealed and the annular groove 2; compare traditional through the bolt tightening, the connector that provides in this embodiment can once only drive a plurality of screw thread section of thick bamboo 7 rotate tighten up ring body 3 for public first 1 is close to extrusion together with female first 2 each other, saves time, reduces and lasts high strength labour time to and when arranging in high altitude construction, reduces installation time, reduces the operation safety risk.

Referring to fig. 1, 2, 5 and 10, the outer ring of the driving ring 9 is symmetrically and fixedly connected with a handle 12, the end face of the end part of the handle 12 is provided with a waist-shaped hole 13, a pull rod 14 is connected in a sliding way in the waist-shaped hole 13, the end face of the handle 12 is internally provided with a sliding hole 15, the sliding hole 15 is arranged on the surface of the inner ring of the limiting ring 10, a push rod 16 is arranged in the sliding hole 15, one end of the push rod 16 is fixedly connected with the pull rod 14, the middle position of the push rod 16 is connected in the sliding hole 15 in a sliding way through a spring, and the other end of the push rod 16 penetrates through the inner ring of the ring body 3 and is embedded in a fixing hole 17 arranged on the inner surface of the annular groove 4; when the high-voltage cable is placed in an external environment, the external natural wind blows the cable to shake, so that the cable vibrates at high frequency, the vibration can be directly transmitted to the threaded cylinder 7, meanwhile, the male head 1 and the female head 2 have a tendency of being separated from each other, the first rod 5 and the second rod 6 are forced to be separated from the threaded cylinder 7, the threaded cylinder 7 rotates, the driving ring 9 is necessarily rubbed to rotate, a self-locking mechanism is arranged on the driving ring 9, the push rod 16 is pushed by a connecting spring, the end part of the push rod 16 is inserted into a fixing hole 17 in the annular groove 4, at the moment, the relative rotation between the driving ring 9 and the ring body 3 is locked by the push rod 16, the threaded cylinder 7 is locked, the tendency of being separated from each other between the male head 1 and the female head 2 is counteracted, and the external vibration force is counteracted, so that stable connection between the male head 1 and the female head 2 is ensured.

Referring to fig. 2, 3 and 4, a smooth portion and a threaded portion are provided in each of the threaded cylinders 7, and a step is provided between the smooth portion and the threaded portion; the surface of the first rod 5 is a smooth surface, and the first rod 5 is connected to the smooth part in a sliding way and limited at the end surface position of the step; the surface of the second rod 6 is a threaded surface and is in threaded connection with the threaded part; because the length of the first rod 5 screwed into the threaded cylinder 7 needs to be considered in terms of accuracy, when the threaded cylinder 7 is screwed into the second rod 6, the problem that the distance between the end part of the threaded cylinder 7 and the ring body 3 is different, so that the length of the second rod 6 finally screwed into the threaded cylinder 7 is uniform, the end surfaces of the two ring bodies 3 are placed in different-plane inclined states, the axes of the male head 1 and the female head 2 are different, and the problem of side distortion occurs is prevented; for this reason set up smooth part and screw thread portion in with screw thread section of thick bamboo 7, the smooth part of screw thread section of thick bamboo 7 is connected in the rotation of first pole 5, screw thread section of thick bamboo 6 threaded connection in screw thread section of thick bamboo 7, this just also makes screw thread section of thick bamboo 7 install in advance on first pole 5, later when rotating screw thread section of thick bamboo 7, screw thread section of thick bamboo 7 screw thread tightens up No. two poles 6, no. two poles 6 rotate to screw thread section of thick bamboo 7 in, and need not consider the problem of connecting screw thread section of thick bamboo 7 rotation on first pole 5 length again, can prevent simultaneously that screw thread section of thick bamboo 7 when screw thread connection is first pole 5, dropping and losing the problem of screw thread section of thick bamboo 7 spare part.

Referring to fig. 6, 7, 8 and 10, a through hole 18 is formed in the center of each ring body 3, the male head 1 and the female head 2 penetrate through the through hole 18, and a plurality of rectangular holes 19 are uniformly formed in the inner ring of the through hole 18; the outer rings of the male head 1 and the female head 2 are provided with connecting plates 20, the outer rings of the connecting plates 20 are provided with rectangular convex parts 21, and the rectangular convex parts 21 penetrate through the rectangular holes 19; the ring body 3 is arranged separately from the male head 1 and the female head 2, firstly, stacking and transportation of parts of the cable connector are facilitated, secondly, when a certain part on the cable connector is damaged, the single part can be taken down for replacement, the whole male head 1 and or the whole female head 2 are not required to be replaced, expenditure is reduced, moreover, the male head 1 and the ring body 3 are convenient and quick to install, only the end part of the male head 1 or the female head 2 is required to penetrate through the through hole 18, and then the ring body 3 is rotated, so that the rectangular convex part 21 is extruded on the upper inner end surface of the ring body 3.

Referring to fig. 6 and 8, a plurality of notches 22 are formed on the opposite inner end surfaces of the two ring bodies 3, the notches 22 are positioned on one side of the rectangular hole 19, and the notches 22 and the rectangular hole 19 are in inclined transition; through setting up breach 22, when rectangle convex part 21 to ring body 3 terminal surface, rotate ring body 3 for rectangle convex part 21 is arranged in breach 22, fixes the relative rotation between ring body 3 and public head 1 and female head 2, and when screwing up screw thread section of thick bamboo 7, rectangle convex part 21 is extrudeed in breach 22 once more, makes the rotation between public head 1 and female head 2 and ring body 3 tightly restrained, guarantees the connection stability between public head 1 and female head 2.

Referring to fig. 7, 8 and 10, the outer end surface of each ring body 3 is provided with a ring-shaped thread groove 23, the cross section of the thread groove 23 is in an isosceles trapezoid shape, a threaded connection fastening ring 24 is arranged in the thread groove 23, the outer ring of the fastening ring 24 is provided with threads, and the cross section of the thread part of the threaded fastening ring 24 is in a wedge shape; the clearance fit between the inner ring of the through hole 18 and the outer rings of the male head 1 and the female head 2 is convenient for the penetration of the male head 1 and the female head 2, but brings problems that external rainwater and dust permeate into the clearance, meanwhile, the clearance fit easily causes the female head 2 and the male head 1 to have a trend of swinging at the through hole 18, namely, the stability between the male head 1 and the female head 2 and the ring body 3 is poor, for this reason, the fastening ring 24 is arranged to be matched with the thread groove 23, the fastening ring 24 is sleeved on the male head 1 and the female head 2, is arranged at the rear side of the ring body 3, the fastening ring 24 is rotated into the thread groove 23, and the thread groove 23 and the fastening ring 24 are arranged in a shape, so that the inner wall of the thread groove 23 is extruded towards the axis direction of the through hole 18 and is extruded on the surfaces of the male head 1 and the female head 2, and the stability and the tightness are improved.

Referring to fig. 1 and 11, the outer ring of the female head 2 is symmetrically and fixedly connected with a base block 25, the base block 25 is provided with a through hole 26, the through hole 26 is radially threaded and penetrated by a fastening bolt, and the fastening bolt penetrates through the base block 25 and extends into the female head 2 to be extruded on the surface of the male head 1; through setting up the basic block 25 to cooperate fastening bolt, fastening bolt runs through basic block 25, and extend to female head 2 inside, extrudees on public first 1 surface, further improves the connection stability intensity between female head 2 and the public first 1, also can conveniently draw forth the branch line simultaneously on public first 1 female head 2, be convenient for electric connection other electrical apparatus, perhaps bind the insulating rope in the through-hole 26, hang this cable connector level and put, make public first 1, female head 2 and cable connector place on same axis as far as possible, reduce the crooked trend of cable to cable connector's extrusion.

Referring to fig. 1 and 11, the ends of the male head 1 and the female head 2 are provided with tensioning mechanisms; the tensioning mechanism comprises a locking ring 27 which is arranged in half, the locking ring 27 wraps the cable outer ring, and threaded rods 28 at two ends of the locking ring 27 are fixedly connected; the locking ring 27 is arranged on the cable, the locking ring 27 is arranged at the end part of the cable, the cable is pulled by using an insulating rope conveniently, meanwhile, the locking ring 27 can be internally wrapped with not only the cable, but also additional auxiliary cable wires which are arranged together for wrapping, and then the cable wires are hung through the insulating rope and placed in the same axis state.

Referring to fig. 1 and 11, a rope hole 281 is formed at the end of each threaded rod 28, a steel wire rope 29 is penetrated into the rope hole 281, the steel wire rope 29 is wound on the threaded rod 28, and the other end of the steel wire rope 29 is inserted into the through hole 26; in fig. 8, when the threaded rod 28 is rotated counterclockwise in the top view of the connector, the threaded rod 28 is in a tightening trend, so that the two fastening rings 24 of the half are more tightened, and the wire ropes 29 tied in the rope holes 281 of the threaded rod 28 are in a tightening state, when the cable is to be separated from the male head 1 or the female head 2, the wire ropes 29 are further tightened, and meanwhile, the threaded rod 28 is also in a tightening state, so that the connection strength between the cable and the male head 1 or the female head 2 is further improved.

Embodiment two:

referring to fig. 12, in a first comparative example, as another embodiment of the present invention, a viewing hole 30 is radially opened at the bottom of each of the connection holes; through setting up the observation hole 30 for when the conductive cell of cable inserts in the connecting hole, can learn whether the conductive cell of cable inserts in place, when guaranteeing that the connecting hole position is extruded by hydraulic tong, can effectively extrude the parcel with the cell.

Working principle: firstly, inserting the end part of a high-voltage cable into a connecting hole of a male head 1 and a female head 2, then pressing and tightening by a hydraulic clamp, then sequentially rotating a plurality of thread cylinders 7 to be connected with a first rod 5, wherein the rotating thread length is three times of the inner thread length of the thread cylinders 7, then sleeving a driving ring 9, then inserting the male head 1 into the female head 2, aligning a second rod 6 with the thread cylinders 7, then clearance fitting a limiting ring 10 on the driving ring 9 with an annular groove 4, enabling the limiting ring 10 to axially deflect in the annular groove 4, simultaneously enabling an inner gear ring 11 of an inner ring of the driving ring 9 to be meshed with an outer gear ring 8 on the thread cylinders 7, then rotating the driving ring 9, driving the thread cylinders 7 to rotate, inwards tensioning the first rod 5 and the second rod 6, respectively pulling a ring body 3 by the first rod 5 and the second rod 6, pulling the male head 1 and the female head 2 to be mutually pressed, simultaneously enabling the limiting ring 10 to be axially matched with the annular groove 4, and enabling the limiting ring 10 to be axially deflected with the annular groove 4, and enabling the limiting ring 10 to be in a sealing position between the male head 1 and the annular groove 2 to be in a sealing position or the sealing position between the limiting ring and the annular groove 2 to be reduced; compared with the traditional connector which is tightened by bolts, the connector provided by the embodiment can drive the plurality of thread cylinders 7 to rotate and tighten the ring body 3 at one time, so that the male head 1 and the female head 2 are mutually close to each other and are squeezed together, the time is saved, the continuous high-strength labor time is reduced, the installation time is reduced when the connector is placed in high-altitude operation, and the operation safety risk is reduced;

when the high-voltage cable is placed in an external environment, the external natural wind blows the cable to shake, so that the cable vibrates at high frequency, the vibration can be directly transmitted to the threaded cylinder 7, meanwhile, the male head 1 and the female head 2 have a tendency of mutual separation, the first rod 5 and the second rod 6 are forced to be in a state of separating from the threaded cylinder 7, the threaded cylinder 7 rotates and the driving ring 9 is necessarily rubbed to rotate, a self-locking mechanism is arranged on the driving ring 9, the end part of the pushing rod 16 is inserted into a fixing hole 17 in the annular groove 4 under the thrust of a connecting spring of the pushing rod 16, at the moment, the relative rotation between the driving ring 9 and the ring body 3 is locked by the pushing rod 16, the threaded cylinder 7 is locked, and then the tendency of mutual separation between the male head 1 and the female head 2 and the external vibration force are counteracted, so that stable connection between the male head 1 and the female head 2 is ensured;

because the length of the first rod 5 screwed into the threaded cylinder 7 needs to be considered in terms of accuracy, when the threaded cylinder 7 is screwed into the second rod 6, the problem that the distance between the end part of the threaded cylinder 7 and the ring body 3 is different, so that the length of the second rod 6 finally screwed into the threaded cylinder 7 is uniform, the end surfaces of the two ring bodies 3 are placed in different-plane inclined states, the axes of the male head 1 and the female head 2 are different, and the problem of side distortion occurs is prevented; the smooth part and the threaded part are arranged in the threaded cylinder 7, the first rod 5 is rotationally connected with the smooth part in the threaded cylinder 7, the second rod 6 is in threaded connection with the threaded part in the threaded cylinder 7, so that the threaded cylinder 7 is pre-installed on the first rod 5, when the threaded cylinder 7 is rotated afterwards, the threaded cylinder 7 is screwed to tighten the second rod 6, the second rod 6 is rotated into the threaded cylinder 7, the problem of the length of the threaded cylinder 7 rotationally connected with the first rod 5 is not considered any more, and meanwhile, the problems of falling and losing of parts of the threaded cylinder 7 when the threaded cylinder 7 is in threaded connection with the first rod 5 can be prevented;

the ring body 3 is arranged separately from the male head 1 and the female head 2, so that firstly, stacking and transportation of parts of the cable connector are facilitated, secondly, when a certain part on the cable connector is damaged, the single part can be taken down for replacement, the whole male head 1 and/or female head 2 part is not required to be replaced, expenditure is reduced, furthermore, the male head 1 and the ring body 3 are convenient and quick to install, only the end part of the male head 1 or the female head 2 is required to penetrate through the through hole 18, and then the ring body 3 is rotated, so that the rectangular convex part 21 is extruded on the upper inner end surface of the ring body 3;

through the arrangement of the notch 22, when the rectangular convex part 21 reaches the inner end surface of the ring body 3, the ring body 3 is rotated, so that the rectangular convex part 21 is arranged in the notch 22, the ring body 3 and the male head 1 and the female head 2 are relatively rotated and fixed, and when the threaded cylinder 7 is screwed up, the rectangular convex part 21 is extruded in the notch 22 again, so that the rotation between the male head 1 and the female head 2 and the ring body 3 is tightly restrained, and the connection stability between the male head 1 and the female head 2 is ensured;

the inner ring of the through hole 18 is in clearance fit with the outer rings of the male head 1 and the female head 2, so that the male head 1 and the female head 2 can conveniently penetrate through, but some problems are brought, so that external rainwater and dust penetrate into the clearance, meanwhile, the clearance fit easily causes the female head 2 and the male head 1 to have a trend of swinging at the through hole 18, namely, the stability between the male head 1 and the female head 2 and the ring body 3 is poor, for this purpose, the locking ring 27 is arranged to be matched with the threaded groove 23, the locking ring 27 is sleeved on the male head 1 and the female head 2 and is arranged at the rear side of the ring body 3, the locking ring 27 is rotated into the threaded groove 23, and the threaded groove 23 and the locking ring 27 are arranged in a shape, so that the inner wall of the threaded groove 23 is extruded towards the axis direction of the through hole 18 and is extruded on the surfaces of the male head 1 and the female head 2, and stability and tightness are improved;

through arranging the base block 25 and matching with the fastening bolt, the fastening bolt penetrates through the base block 25 and extends into the female head 2 to be extruded on the surface of the male head 1, so that the connection stability strength between the female head 2 and the male head 1 is further improved, and meanwhile, branch wires can be conveniently led out of the female head 2 of the male head 1, so that other electric appliances can be conveniently electrically connected, or insulating ropes are bound in the penetrating holes 26, the cable connector is horizontally hung, the male head 1, the female head 2 and the cable connector are placed on the same axis as much as possible, and the extrusion bending trend of the cable to the cable connector is reduced;

the fastening ring 24 is arranged on the cable, the cable is conveniently lifted by using the insulating rope by arranging the fastening ring 24 at the end part of the cable, and meanwhile, the fastening ring 24 can be internally wrapped with not only the cable, but also additional auxiliary cable wires which are arranged together for wrapping, and then the cable wires are hung by the insulating rope and are placed in the same axis state;

in fig. 8, when the threaded rod 28 is rotated counterclockwise in the top view of the connector, the threaded rod 28 is in a tightening trend, so that the two fastening rings 24 of the half are more tightened, and the wire ropes 29 tied in the rope holes 281 of the threaded rod 28 are in a tightening state, when the cable is to be separated from the male head 1 or the female head 2, the wire ropes 29 are further tightened, and meanwhile, the threaded rod 28 is also in a tightening state, so that the connection strength between the cable and the male head 1 or the female head 2 is further improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (10)

1. A high-voltage cable connector, comprising a male head (1) and a female head (2); one end of the male head (1) and one end of the female head (2) are respectively provided with a connecting hole, and the end part of the cable is fixedly connected in the connecting hole; the method is characterized in that: the outer ring of the connecting position of the male head (1) and the female head (2) is symmetrically and fixedly connected with a ring body (3), an annular groove (4) is formed in the middle of the outer ring of the ring body (3), and a connecting mechanism is arranged between the two ring bodies (3); the connecting mechanism comprises a plurality of first rods (5), second rods (6) and threaded cylinders (7); the first rod (5) is fixedly connected to the end face of one ring body (3), the second rod (6) is fixedly connected to the end face of the other ring body (3), and the ends of the second rod (6) and the first rod (5) are in threaded connection in the threaded cylinder (7); an outer ring of each thread cylinder (7) is fixedly connected with an outer tooth ring (8); the two ring bodies (3) are sleeved with driving rings (9), limiting rings (10) are symmetrically arranged on inner rings of the driving rings (9), the limiting rings (10) are clamped in the annular grooves (4), inner rings of the driving rings (9) are fixedly connected with inner gear rings (11), and the inner gear rings (11) are meshed with the outer gear rings (8).

2. The high voltage cable connector of claim 1, wherein: the driving ring (9) is symmetrically and fixedly connected with a handle (12) on the outer ring, a waist-shaped hole (13) is formed in the end face of the end portion of the handle (12), a pull rod (14) is connected in the waist-shaped hole (13) in a sliding mode, a sliding hole (15) is formed in the end face of the handle (12), the sliding hole (15) is formed in the inner ring surface of the limiting ring (10), a push rod (16) is arranged in the sliding hole (15), one end of the push rod (16) is fixedly connected with the pull rod (14), the middle position of the push rod (16) is connected in the sliding hole (15) in a sliding mode through a spring, and the other end of the push rod (16) penetrates through the inner ring of the ring body (3) and is embedded in a fixing hole (17) formed in the inner surface of the annular groove (4).

3. The high voltage cable connector of claim 1, wherein: a smooth part and a thread part are arranged in each thread cylinder (7), and a step is arranged between the smooth part and the thread part; the surface of the first rod (5) is a smooth surface, and the first rod (5) is connected to the smooth part in a sliding way and limited at the end surface position of the step; the surface of the second rod (6) is a threaded surface and is in threaded connection with the threaded part.

4. A high voltage cable connector according to claim 2, wherein: a through hole (18) is formed in the center of each ring body (3), the male head (1) and the female head (2) penetrate through the through holes (18), and a plurality of rectangular holes (19) are uniformly formed in the inner ring of each through hole (18); the outer ring of the male head (1) and the outer ring of the female head (2) are provided with connecting plates (20), the outer ring of each connecting plate (20) is provided with rectangular convex parts (21), and the rectangular convex parts (21) penetrate through the rectangular holes (19).

5. The high voltage cable connector of claim 4, wherein: a plurality of notches (22) are formed in the inner end faces, opposite to the two ring bodies (3), of the two ring bodies, the notches (22) are located on one side of the rectangular hole (19), and inclined planes between the notches (22) and the rectangular hole (19) are in transition arrangement.

6. The high voltage cable connector of claim 5, wherein: the outer end face of each ring body (3) is provided with a ring-shaped thread groove (23), the cross section of the thread groove (23) is in an isosceles trapezoid shape, a threaded connection fastening ring (24) is arranged in the thread groove (23), the outer ring of the fastening ring (24) is provided with threads, and the cross section of the thread part of the threaded fastening ring (24) is in a wedge shape.

7. The high voltage cable connector of claim 4, wherein: the outer ring of the female head (2) is symmetrically and fixedly connected with a base block (25), a through hole (26) is formed in the base block (25), a fastening bolt penetrates through the radial thread of the through hole (26), the fastening bolt penetrates through the base block (25) and extends into the female head (2), and the female head is extruded on the surface of the male head (1).

8. The high voltage cable connector of claim 7, wherein: the ends of the male head (1) and the female head (2) are provided with tensioning mechanisms; the tensioning mechanism comprises a locking ring (27) which is arranged in half, the locking ring (27) wraps the cable outer ring, and threaded rods (28) at two ends of the locking ring (27) are fixedly connected.

9. The high voltage cable connector of claim 8, wherein: each threaded rod (28) is provided with a rope hole (281), a steel wire rope (29) penetrates through each rope hole (281), the steel wire rope (29) is wound on each threaded rod (28), and the other end of each steel wire rope (29) is inserted into each through hole (26).

10. The high voltage cable connector of claim 1, wherein: the bottom of each connecting hole is radially provided with an observation hole (30).