CN115800184B

CN115800184B - Cable joint reinforcement protector

Info

Publication number: CN115800184B
Application number: CN202211563950.6A
Authority: CN
Inventors: 李中祥; 林伊; 李忠宇; 李春光
Original assignee: Ningbo Okail Electric Co ltd
Current assignee: Ningbo Okail Electric Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-23
Anticipated expiration: 2042-12-07
Also published as: CN115800184A

Abstract

The invention discloses a cable joint reinforcing and protecting device which comprises a core body, a shell for protecting the core body, a connector for connecting the core body, a matching mechanism for protecting the connected core body, a reinforcing and protecting mechanism for adjusting the matching mechanism to protect connectors with different diameters, an outer diameter adjusting mechanism for adjusting the outer diameter of the matching mechanism to facilitate connection with the shell, and a gap filling mechanism for preventing gaps from being generated after the connector is connected with the core body. The device not only can strengthen the protection to the connector of different diameters when using, can adjust the junction external diameter simultaneously, makes its diameter the same with both ends cable to be convenient for twine the junction sticky tape, can avoid simultaneously through the clearance filling mechanism that sets up that the junction sticky tape appears corroding the phenomenon when using, leads to steam from connector and shell clearance department and cable contact, influences the life of cable.

Description

Cable joint reinforcement protector

Technical Field

The invention relates to the technical field of cable connection, in particular to a reinforcing and protecting device for a cable joint.

Background

The cable joint is also called a cable head. After the cable is laid, the sections must be connected as a unit in order to form a continuous line, and these points of connection are called cable joints. The cable joints in the middle of the cable line are called intermediate joints, while the cable joints at both ends of the line are called terminal heads. The cable connector is used for locking and fixing the incoming and outgoing lines, and plays a role in preventing water, dust and vibration.

At present, most cables are buried underground, because the underground is sealed for a long time, the insulation of the cables is easily damaged, in the environment, the middle joint part is often severely influenced by the corrosion of chemical components of a solution with higher pH value of soil, so that the chemical corrosion occurs, the insulation is easily affected by weather, temperature and moisture, the cable joint is not protected in place due to the fact that the technology is not precise in the manufacturing materials and the manufacturing procedures of the cable, the metal of the cable joint is amplified, and the cable joint is affected by long-term cable friction caused by thermal expansion and cold contraction. In addition, the cable head is the weakest link in the cable line, and cable head insulating glue dissolves, cracks, and the middle joint of cable is the loose crimp, welds reasons such as infirm, all can lead to cable head insulating ability to reduce to the accident is triggered.

Disclosure of Invention

Aiming at the technical problem that the prior art is too single, the technical scheme of the invention provides a solution which is obviously different from the prior art, and the embodiment of the invention provides the cable joint reinforcing and protecting device, so as to solve the technical problem that the prior cable joint is influenced by soil to cause corrosion of a protecting adhesive tape at the moment after being buried in the soil, so that water vapor is in contact with a cable core body from a gap to influence the use of the cable.

The embodiment of the invention adopts the following technical scheme: the utility model provides a cable joint reinforcement protector, includes the core, is used for carrying out the shell that protects the core and is used for the connector that the core is connected, still including being used for carrying out the cooperation mechanism that protects to connecting the back core for adjust cooperation mechanism and make its enhancement protection mechanism that protects different diameter connectors, be used for adjusting cooperation mechanism external diameter and make its external diameter adjustment mechanism that is convenient for be connected with the shell, be used for preventing that the connector from producing clearance filling mechanism after being connected with the core, cooperation mechanism includes soft inner shell, soft inner shell cover is established outside the connector, soft inner shell cover is equipped with the connection hard shell, the connection hard shell overcoat is equipped with soft protective housing, a plurality of screw holes have been seted up in the connection hard shell.

Further, the soft inner shell, the connecting hard shell and the soft protective shell are all made of insulating materials.

Further, gap filling mechanism includes the filling block, the filling block sets up between soft protective housing and connection hard shell, set up a plurality of chute in the filling block, every all be provided with the voussoir in the chute, the top of voussoir is provided with flexible extrusion piece, pass through spring coupling between flexible extrusion piece and the voussoir.

Further, the filling block is made of insulating soft materials, the contact surface of the wedge block and the chute is an inclined surface, and the top surface of the telescopic extrusion block is an arc surface.

Further, external diameter adjustment mechanism includes first screw rod, first screw rod sets up in one of them screw hole, the bottom of first screw rod is provided with first transmission gear, one side meshing of first transmission gear is connected with first meshing gear, be provided with first connecting rod between first meshing gear and the connection hard shell, rotate between first connecting rod and the connection hard shell and be connected, the below of first meshing gear is provided with first conical gear, one side meshing of first conical gear is connected with first conical mating gear, the one end of first conical gear is provided with first transmission connecting gear, the outside meshing of first transmission connecting gear is connected with first ring gear, the outside meshing of first ring gear is connected with first rotation gear, one side of first rotation gear is provided with first connecting rack, the top of first connecting rack is provided with the roof, the top surface of roof is connected with soft protective housing internal surface.

Further, the first toothed ring and the first connecting rack are arranged in a staggered mode.

Further, strengthen protection machanism setting is two between external diameter adjustment mechanism, strengthen protection machanism includes the second screw rod, the second screw rod sets up to in the screw hole, the bottom of second screw rod is provided with second drive gear, one side meshing of second drive gear is connected with second meshing gear, the bottom of second meshing gear is provided with second bevel gear, one side meshing of second bevel gear is connected with second bevel mating gear, one end of second bevel mating gear is provided with second transmission connecting gear, the below meshing of second transmission connecting gear is connected with the second ring gear, the inside meshing of second ring gear is connected with the second rotation gear, one side meshing of second rotation gear is connected with the connection pinion rack, the bottom of connecting the pinion rack is provided with the pressing board, the pressing board is connected with soft inner surface of inner shell, be provided with the second connecting rod between second meshing gear and the connection hard shell.

Further, the connecting toothed plate and the second toothed ring are arranged in a staggered mode.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the gap filling mechanism is used for avoiding the gap between the connector and the cable in the process of connecting the connector and the cable, some cables are required to be buried in soil and affected by soil in different regions, at the moment, the soil possibly has certain corrosiveness, although the waterproof adhesive tape and the insulating adhesive tape can be wound for many times at the joint of the connector and the cable, the waterproof adhesive tape and the insulating adhesive tape are affected by corrosiveness to a certain extent, at the moment, if the gap exists between the cable connector and the cable, water vapor in the soil can be contacted with a cable core, thereby causing the cable to generate heat and corrosion, affecting the service life of the cable, and the cable is not convenient to overhaul because the cable is buried in the soil, at the moment, the gap adjusting mechanism can generate interference force to the telescopic extrusion block when the connector is connected with the cable, and finally the filling block extends outwards, so that the waterproof adhesive tape can be tightly interfered with the shell, at the moment, under the action of the filling block, water can be prevented from entering from the gap to be contacted with the cable, affecting the service life of the cable, and the service life of the cable can be effectively corroded at the joint when the connector is used, and the service life of the cable is prolonged;

secondly, can strengthen the protection to the connector of different internal diameters through strengthening protection mechanism when using to increase the connection fastness of connector, avoid the connector to connect insecurely and lead to appearing not hard up phenomenon, thereby influence the use of cable, can adjust through outside second screw rod simultaneously when using, it is comparatively convenient, and when protecting the connector through strengthening protection mechanism, can extrude the air in connector and the strengthening protection mechanism, thereby reduce the influence that air oxidation caused the connector, the life of connector has been increased, rotate the second screw rod when using, finally make the extrusion piece can inwards extrude constantly, thereby can carry out the centre gripping to the connector of different diameters because the position of extrusion piece is adjustable, the application scope of the device has been widened;

thirdly, the outer diameter of the connecting part after connection can be adjusted through the outer diameter adjusting mechanism, so that the outer diameter of the connecting part is the same as the diameter of the cables at the two ends, the height difference cannot occur when the adhesive tape is wound, the winding firmness of the adhesive tape is improved, in the process of cable connection, cables with different diameters can be connected, the height difference can occur at the two ends of the cable after connection, when the adhesive tape is wound, the adhesive tape can be in an inclined shape, the winding firmness of the adhesive tape is greatly reduced, and when the mechanism is used, the two ends can be respectively adjusted according to the diameters of the cables at the two ends, so that the winding adhesive tape is at the same height, the height difference cannot occur at the angle after winding, and the winding firmness of the adhesive tape is effectively improved;

in summary, the device not only can strengthen the protection to the connector of different diameters when using, can also adjust the junction external diameter simultaneously, makes its diameter the same with both ends cable to be convenient for twine the junction sticky tape, can avoid simultaneously when using through the clearance filling mechanism that sets up that the junction sticky tape appears corroding the phenomenon, leads to steam to follow connector and shell clearance department and cable contact, influences the life of cable.

Drawings

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

FIG. 1 is a schematic view of the main section structure of the present invention;

FIG. 2 is a schematic diagram of the main structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a first view of the mating mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

FIG. 6 is a schematic view of a cross-sectional structure of a second view of the mating mechanism of the present invention;

fig. 7 is an enlarged view of the structure of fig. 6C according to the present invention.

Reference numerals:

1. a housing; 11. a core; 2. an outer diameter adjusting mechanism; 21. a first connecting rack; 22. a first screw; 23. a first connecting rod; 24. a first transmission gear; 25. a first meshing gear; 26. a first bevel gear; 27. a first tapered mating gear; 28. a first toothed ring; 29. a first drive connection gear; 210. a first rotating gear; 3. a gap filling mechanism; 31. a chute; 32. wedge blocks; 33. a telescopic extrusion block; 34. filling blocks; 4. a mating mechanism; 41. a flexible protective shell; 42. a flexible inner shell; 43. connecting a hard shell; 5. reinforcing a protection mechanism; 51. a second screw; 52. a second transmission gear; 53. a second bevel gear; 54. a second cone-shaped mating gear; 55. a second toothed ring; 56. pressing the blocks; 57. connecting toothed plates; 58. a second rotating gear; 59. a second drive connection gear; 510. a second connecting rod; 511. the second meshing gear.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.

The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 7, an embodiment of the present invention provides a reinforcing and protecting device for a cable joint, including a core 11, an outer shell 1 for protecting the core 11, a connector for connecting the core 11, a matching mechanism 4 for protecting the connected core 11, a reinforcing and protecting mechanism 5 for adjusting the matching mechanism 4 to protect connectors with different diameters, an outer diameter adjusting mechanism 2 for adjusting the outer diameter of the matching mechanism 4 to facilitate connection with the outer shell 1, and a gap filling mechanism 3 for preventing gaps from being generated after the connector is connected with the core 11, wherein the matching mechanism 4 includes a soft inner shell 42, the soft inner shell 42 is sleeved outside the connector, a connecting hard shell 43 is sleeved outside the soft inner shell 42, a soft protecting shell 41 is sleeved outside the connecting hard shell 43, and a plurality of threaded holes are formed in the connecting hard shell 43.

During operation, the device not only can strengthen the protection to the connector of different diameters when using, can adjust the junction external diameter simultaneously, makes it the same with the diameter of both ends cable to be convenient for twine the junction sticky tape, can avoid simultaneously when using through the gap filling mechanism 3 that sets up that the junction sticky tape appears corroding the phenomenon, leads to steam to follow connector and shell 1 clearance department and cable contact, influences the life of cable.

Specifically, the soft inner shell 42, the connection hard shell 43 and the soft protective shell 41 are made of insulating materials.

During operation, the normal use of the cable is avoided being influenced.

Specifically, the gap filling mechanism 3 includes a filling block 34, the filling block 34 is disposed between the soft protective shell 41 and the connection hard shell 43, a plurality of inclined slots 31 are formed in the filling block 34, wedge blocks 32 are disposed in each inclined slot 31, a telescopic extrusion block 33 is disposed at the top of each wedge block 32, and the telescopic extrusion blocks 33 are connected with the wedge blocks 32 through springs.

During operation, the gap filling mechanism 3 is used for avoiding the gap between the connector and the cable in the process of connecting the connector and the cable, some cables are required to be buried in soil and affected by different regions, the soil possibly has certain corrosiveness, although the waterproof adhesive tape and the insulating adhesive tape can be wound for many times at the joint of the connector and the cable, the waterproof adhesive tape and the insulating adhesive tape are affected by corrosiveness, corrosion can also occur to a certain extent, if the gap exists between the cable connector and the cable, water vapor in the soil can be contacted with the cable core 11, thereby causing the cable to generate heat and corrosion, the service life of the cable is affected, and the cable is not convenient to overhaul the cable due to the fact that the cable is buried in the soil, at this moment, through the gap adjusting mechanism, when the gap exists after the connector is connected with the cable, the telescopic extrusion block 33 can be output a conflicting force when the adhesive tape is wound, finally, the filling block 34 is enabled to extend outwards differently, thereby tightly contradicting the shell 1, after the adhesive tape is corroded, the water can be prevented from contacting the cable from the gap under the effect of the filling block 34, the effect of the cable, the service life is affected, the service life of the cable can be effectively prolonged, and the service life of the connector can be effectively prolonged when the cable is caused.

Specifically, the filling block 34 is made of an insulating soft material, the contact surface of the wedge block 32 and the chute 31 is an inclined surface, and the top surface of the telescopic extrusion block 33 is an arc surface.

In operation, the telescopic extrusion block 33 can be flush with the flexible protective shell 41 when the adhesive tape is wound, so that the diameter of the flexible protective shell 41 is ensured to be the same as that of the outer shell 1.

Specifically, the outer diameter adjusting mechanism 2 includes a first screw 22, the first screw 22 is disposed in one of the threaded holes, a first transmission gear 24 is disposed at the bottom end of the first screw 22, a first engagement gear 25 is engaged and connected to one side of the first transmission gear 24, a first connecting rod 23 is disposed between the first engagement gear 25 and the connection hard shell 43, the first connecting rod 23 is rotationally connected to the connection hard shell 43, a first conical gear 26 is disposed below the first engagement gear 25, a first conical mating gear 27 is engaged and connected to one side of the first conical gear 26, a first transmission connecting gear 29 is disposed at one end of the first conical gear 26, a first toothed ring 28 is engaged and connected to the outer side of the first transmission connecting gear 29, a first rotating gear 210 is engaged and connected to the outer side of the first toothed ring 28, a first connecting rack 21 is disposed on one side of the first rotating gear 210, a top plate 21 is disposed on the top end of the first connecting rack 21, and the top plate is connected to the inner surface of the soft protective shell 41.

During operation, can adjust the junction external diameter after accomplishing the connection through external diameter adjustment mechanism 2, make it the same with the cable diameter at both ends, can not appear the difference in height when twining the sticky tape, thereby increase sticky tape winding's fastness, at cable junction's in-process, some can carry out the cable junction of different diameters, the difference in height can appear at the cable both ends after connecting this moment, when carrying out sticky tape winding, the sticky tape can be in the slope form this moment, make the winding fastness greatly reduced of sticky tape, and when using through this mechanism, can adjust both ends respectively according to the diameter of both ends cable, thereby make the sticky tape of twining be in same height, the angle after making the winding can not appear the difference in height, the effectual sticky tape winding fastness that has increased

Specifically, the first toothed ring 28 and the first connecting rack 21 are arranged in a staggered manner.

Specifically, the reinforcing protection mechanism 5 is disposed between the two outer diameter adjusting mechanisms 2, the reinforcing protection mechanism 5 includes a second screw rod 51, the second screw rod 51 is disposed in a threaded hole, a second transmission gear 52 is disposed at the bottom end of the second screw rod 51, a second engagement gear 511 is engaged and connected at one side of the second transmission gear 52, a second bevel gear 53 is disposed at the bottom end of the second engagement gear 511, a second bevel mating gear 54 is engaged and connected at one side of the second bevel gear 53, a second transmission connecting gear 59 is disposed at one end of the second bevel mating gear 54, a second toothed ring 53 is engaged and connected at the lower side of the second transmission connecting gear 59, a second rotation gear 58 is engaged and connected at one side of the second rotation gear 58, a pressing plate 56 is disposed at the bottom of the connecting plate 57, the pressing plate 56 is connected with the inner surface of the inner shell 42, and a second connecting rod 510 is disposed between the second hard shell 511 and the connecting rod 43.

During operation, can strengthen the protection through strengthening protection machanism 5 to the connector of different internal diameters when using, thereby increase the connection fastness of connector, avoid the connector to connect insecurely to lead to appearing not hard up phenomenon, thereby influence the use of cable, can adjust through outside second screw rod 51 simultaneously when using, it is comparatively convenient, and when protecting the connector through strengthening protection machanism 5, can extrude the air in connector and the enhancement protection machanism 5, thereby reduce the influence that air oxidation caused the connector, the life of connector has been increased, rotate second screw rod 51 when using, finally make the extrusion piece can constantly inwards extrude, thereby can carry out the centre gripping to the connector of different diameters because the position of extrusion piece is adjustable, the application scope of the device has been increased.

Specifically, the connecting toothed plate 57 is offset from the second toothed ring 55.

The working principle is as follows; firstly, the matching mechanism 4 is sleeved on the connecting head, then the two cable heads are connected through the connecting head, after the connection is completed, the second screw rod 51 is rotated at the moment, the second screw rod 51 is influenced by a threaded hole, the second screw rod 51 is in a descending and rotating state, the bottom of the second screw rod 51 is provided with a second transmission gear 52, at the moment, the second transmission gear 52 can rotate along with the second screw rod 51, meanwhile, the second transmission gear 52 is connected with a second meshing gear 511, the second meshing gear 511 is connected with a second conical gear 53, at the moment, the second transmission gear 52 rotates to drive the second conical gear 53 to rotate, at the same time, the second conical matching gear 54 is connected with a second rotating gear 58, after the second conical gear 53 rotates, the second conical matching gear 54 can drive the second rotating gear 58 to rotate, meanwhile, as the second rotating gear 58 is connected with the second toothed ring 55, the second toothed ring 55 is meshed with the second transmission connecting gear 59, the second rotating gear 58 rotates to drive the second toothed ring 55 to rotate, the second toothed ring 55 rotates to drive the second transmission connecting gear 59 to rotate, the second transmission connecting gear 59 is connected with the connecting toothed plate 57, the connecting toothed plate 57 is connected with the pressing plate 56, the connecting toothed plate 57 is influenced by the second transmission connecting gear 59 to move downwards, so as to drive the pressing plate 56 to move towards the soft inner shell 42, the soft inner shell 42 deforms, the connector is compressed, after the connector is compressed, the outer diameter adjusting mechanisms 2 at two ends are respectively adjusted at the moment, the outer diameters of the soft protective shells 41 at two ends are the same as the outer diameters of the adjacent shells 1, when the diameters of the soft protective shells 41 are adjusted, the first screw 22 is rotated, the first screw 22 is in a displacement rotating state at the moment, the first screw 22 rotates to drive the first meshing gear 25 to rotate, since the first meshing gear 25 is connected with the first bevel gear 26, the first bevel gear 26 is connected with the first bevel mating gear 27, the first bevel gear 26 synchronously rotates when the first meshing gear 25 rotates, meanwhile, since the first bevel gear 26 is connected with the first transmission connecting gear 29, the first transmission connecting gear 29 is connected with the first toothed ring 28, the first toothed ring 28 synchronously rotates when the first bevel mating gear 27 rotates, meanwhile, since the first toothed ring 28 is connected with the first rotating gear 210, the first rotating gear 210 is connected with the first connecting rack 21, the first connecting rack 21 moves upwards when the first toothed ring 28 rotates, so that the soft protective shell 41 at the end part is changed, the shell 1 of the first screw 22 is continuously changed when the first screw 22 continuously rotates, when the outer diameter of the end part of the software protective shell is the same as the diameter of the adjacent shell 1, the rotation is stopped, then the tape is wound, the extrusion force is generated on the telescopic extrusion block 33 at the moment when the tape is wound, the telescopic extrusion block 33 is affected by the extrusion force to move downwards, so that the wedge block 32 is driven to move downwards, the filling block 34 is driven to move outwards, the gap between the connector and the cable shell 1 is filled, after the filling is finished, the outer diameter of the telescopic extrusion block 33 is probably not the same as that between the flexible protective shell 41, the telescopic extrusion block 33 is affected by the spring and can be compressed, the flexible protective shell 41 is guaranteed to be the same as the diameter of the cable shell 1, and the abutting force is continuously applied to the wedge block 32 at the moment, so that the filling block 34 and the cable shell 1 are tightly attached, and the gap is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims

1. The utility model provides a cable joint reinforcement protector, includes core (11), is used for protecting shell (1) and the connector that is used for core (11) to connect, its characterized in that; the connecting device comprises a connecting head, a connecting head and a connecting shell (11), and is characterized by further comprising a matching mechanism (4) for protecting the connecting head (11) after connection, a reinforcing protection mechanism (5) for adjusting the matching mechanism (4) to protect the connecting heads with different diameters, an outer diameter adjusting mechanism (2) for adjusting the outer diameter of the matching mechanism (4) to facilitate connection with the outer shell (1), and a gap filling mechanism (3) for preventing gaps from being generated after the connecting heads are connected with the core (11), wherein the matching mechanism (4) comprises a soft inner shell (42), the soft inner shell (42) is sleeved outside the connecting head, a connecting hard shell (43) is sleeved outside the soft inner shell (42), a soft protective shell (41) is sleeved outside the connecting hard shell (43), and a plurality of threaded holes are formed in the connecting hard shell (43); the gap filling mechanism (3) comprises a filling block (34), the filling block (34) is arranged between a soft protective shell (41) and a connecting hard shell (43), a plurality of inclined grooves (31) are formed in the filling block (34), wedge blocks (32) are arranged in each inclined groove (31), telescopic extrusion blocks (33) are arranged at the tops of the wedge blocks (32), the telescopic extrusion blocks (33) are connected with the wedge blocks (32) through springs, the outer diameter adjusting mechanism (2) comprises a first screw (22), the first screw (22) is arranged in one threaded hole, a first transmission gear (24) is arranged at the bottom end of the first screw (22), a first meshing gear (25) is connected to one side of the first transmission gear (24) in a meshing manner, a first connecting rod (23) is arranged between the first meshing gear (25) and the connecting hard shell (43), a first conical gear (26) is arranged below the first meshing gear (25), a first conical gear (26) is connected to one side of the first transmission gear (26), the first transmission gear (27) is meshed with the first conical gear (26), the outside meshing of first transmission connecting gear (29) is connected with first ring gear (28), the outside meshing of first ring gear (28) is connected with first rotation gear (210), one side of first rotation gear (210) is provided with first connecting rack (21), the top of first connecting rack (21) is provided with the roof, the top surface of roof is connected with soft protective housing (41) internal surface, strengthen protection mechanism (5) set up between two external diameter adjustment mechanism (2), strengthen protection mechanism (5) include second screw rod (51), in second screw rod (51) set up to the screw hole, the bottom of second screw rod (51) is provided with second drive gear (52), one side meshing of second drive gear (52) is connected with second meshing gear (511), the bottom of second meshing gear (511) is provided with second bevel gear (53), one side meshing of second bevel gear (53) is connected with second bevel mating gear (54), second bevel gear (54) is provided with second ring gear (59), second end (55) are connected with second ring gear (55), one side of the second rotating gear (58) is connected with a connecting toothed plate (57) in a meshing way, a pressing plate (56) is arranged at the bottom of the connecting toothed plate (57), the pressing plate (56) is connected with the inner surface of the soft inner shell (42), and a second connecting rod (510) is arranged between the second meshing gear (511) and the connecting hard shell (43).

2. A cable splice reinforcement shield according to claim 1, wherein; the soft inner shell (42), the connecting hard shell (43) and the soft protective shell (41) are made of insulating materials.

3. A cable splice reinforcement shield according to claim 1, wherein; the packing block (34) is made of insulating soft materials, the contact surface of the wedge block (32) and the chute (31) is an inclined surface, and the top surface of the telescopic extrusion block (33) is an arc surface.

4. A cable splice reinforcement shield according to claim 1, wherein; the first toothed ring (28) and the first connecting rack (21) are arranged in a staggered mode.

5. A cable splice reinforcement shield according to claim 1, wherein; the connecting toothed plate (57) and the second toothed ring (55) are arranged in a staggered manner.