CN116345384A

CN116345384A - High-voltage power network power cable protection device

Info

Publication number: CN116345384A
Application number: CN202310254318.1A
Authority: CN
Inventors: 罗义钊; 黄凯; 章兵; 周启平; 范海波; 杨彬彬; 尚书; 郑春着; 兰鑫; 尹为松; 杨德胜; 项勇; 郑飞翔
Original assignee: Anhui Jiyuan Software Co Ltd
Current assignee: Anhui Jiyuan Software Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-06-27

Abstract

The invention discloses a high-voltage power network power cable protection device, which belongs to the field of cable protection, wherein a limiting strip is fixedly connected to a first mounting ring and is clamped on a second mounting ring, a first clamping block for clamping a cable is connected in a sliding manner to the side wall of a first connecting sleeve, a second clamping block for clamping the cable is connected in a sliding manner to the side wall of a second connecting sleeve, and a driving mechanism for driving the first clamping block and the second clamping block to slide is arranged on the first connecting sleeve. According to the invention, the first connecting sleeve, the second connecting sleeve, the first clamping block and the second clamping block are arranged, the driving mechanism synchronously operates when the first mounting ring approaches the second mounting ring, and the first clamping block and the second clamping block both move towards the cable, so that the positions between the cable and the first connecting sleeve and the second connecting sleeve are fixed, the connection position of the cable is protected, and the connection position of the cable is prevented from being broken.

Description

High-voltage power network power cable protection device

Technical Field

The invention relates to the technical field of cable protection, in particular to a high-voltage power network power cable protection device.

Background

The transmission line is taken as a main component of the whole power system, and has important significance on whether the transmission line can normally operate, so that the protection work of the cable is important.

The cable length for the electric wire netting is longer, can not make the length that enough cable used in an organic whole when producing the manufacturing cable generally, consequently just need connect between the cable, and the processing to cable junction at present adopts the insulating tape to seal usually, and after the cable was hung for a long time again, the fracture condition can appear in its junction, does not carry out fine protection to the junction of cable among the prior art, consequently need provide a high-voltage power network power cable protector to prevent that the junction of cable from hanging for a long time from appearing the condition emergence of fracture.

Disclosure of Invention

The invention aims to provide a high-voltage power network power cable protection device which has the advantage of being capable of protecting a cable connection part and solves the problem that a cable is easy to break due to long-term suspension.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-voltage power network power cable protector, includes first adapter sleeve and the second adapter sleeve that is used for fixed cable, fixedly connected with first collar and second collar respectively on the opposite face of first adapter sleeve and second adapter sleeve, fixedly connected with spacing on the first collar, spacing joint is on the second collar, sliding connection has the first fixture block that is used for the joint cable in the lateral wall of first adapter sleeve, sliding connection has the second fixture block that is used for the joint cable in the lateral wall of second adapter sleeve, be equipped with on the first adapter sleeve and be used for driving first fixture block and the gliding actuating mechanism of second fixture block.

Preferably, the second collar is kept away from on the one side of first collar fixedly connected with mount pad, the middle part of mount pad rotates and is connected with the installation pole, the middle part fixedly connected with stopper of installation pole, set up on the second collar with spacing complex logical groove, a plurality of draw-in grooves with stopper complex are seted up to the upper surface of spacing.

Preferably, both ends of the installation rod are fixedly connected with limiting plates, both ends of the installation rod are sleeved with torsion springs, both ends of the torsion springs are fixedly connected with corresponding installation seats and limiting plates, and a holding box matched with the limiting strip is fixedly connected to the side wall of the second connecting sleeve.

Preferably, the driving mechanism comprises a rotating shaft, the rotating shaft is rotationally connected to the side wall of the first connecting sleeve, one end of the rotating shaft is fixedly connected with a cam, a spiral groove is formed in the other end of the rotating shaft, a through hole matched with the rotating shaft is formed in the second mounting ring, a sliding block is fixedly connected in the through hole, the sliding block is intermittently and slidingly connected in the spiral groove, and the cam is intermittently abutted to the first clamping block.

Preferably, the top of second fixture block and the one end that is close to the second fixture block on the spacing all are provided with mutually supporting inclination, the equal fixedly connected with first mounting panel in both sides of first fixture block, the lower fixed surface of first mounting panel is connected with first telescopic link, cup jointed first spring on the first telescopic link, the both ends of first spring respectively with first mounting panel and first adapter sleeve fixed connection, the equal fixedly connected with second mounting panel in both sides of second fixture block, the equal fixedly connected with second telescopic link of lower surface of second mounting panel, cup jointed the second spring on the second telescopic link, the both ends of second spring respectively with second mounting panel and second adapter sleeve fixed connection.

Preferably, a plurality of holding grooves for holding the bagged glue are formed in one face, facing the first mounting ring, of the second mounting ring, a plurality of spines for puncturing the bagged glue are fixedly connected to one face, facing the second mounting ring, of the first mounting ring, and sealing rings are arranged between the second mounting ring and the first mounting ring.

Preferably, the side walls of the first mounting ring and the second mounting ring are provided with connecting plates together, four corners of each connecting plate are connected with first nuts in a threaded mode, and the side walls of the first mounting ring and the second mounting ring are provided with threaded holes matched with the first nuts.

Preferably, the upper surface fixedly connected with stand of connecting plate, the top fixedly connected with fixed plate of stand, the four corners of fixed plate is provided with four second nuts and installs on fixed building through the second nut, four clearance fit between second nut and the fixed plate.

Preferably, four lantern rings are connected in the fixed plate in a sliding manner, the four lantern rings are sleeved on the four second nuts respectively, clearance fit is achieved between the lantern rings and the second nuts, a first pull rope is fixedly connected between the lantern rings on the same side, flexible rods are fixedly connected to the end faces of the first connecting sleeve and the second connecting sleeve, a fixing ring is fixedly connected to the end portion of the flexible rod, a second pull rope is fixedly connected to the middle portion of the first pull rope, one end, far away from the first pull rope, of the second pull rope is fixedly connected with the fixing ring, a cable is connected to the middle portion of the fixing ring in a penetrating manner, and a contact pin is fixedly connected to the inner wall of the fixing ring.

Preferably, the middle part fixedly connected with audible and visual annunciator of second stay cord, audible and visual annunciator's bottom fixedly connected with is used for controlling audible and visual annunciator's pulling type switch, pulling type switch's control position and second stay cord fixed connection.

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

1. according to the invention, the first connecting sleeve, the second connecting sleeve, the first clamping block and the second clamping block are arranged, so that the driving mechanism synchronously operates when the first mounting ring approaches the second mounting ring, and the first clamping block and the second clamping block move towards the cable at the moment, so that the positions between the cable and the first connecting sleeve and the second connecting sleeve are fixed, and the first connecting sleeve and the second connecting sleeve are fixedly connected, so that the joint of the cable is protected, and the joint fracture of the cable is avoided.

2. According to the invention, when the first mounting ring is close to the second mounting ring, the puncture point on the first mounting ring can puncture the bagged glue in the accommodating groove on the second mounting ring, so that the glue flows out between the first mounting ring and the second mounting ring, the first mounting ring and the second mounting ring are bonded, and the connection firmness of the first mounting ring and the second mounting ring is further increased.

3. According to the invention, the fixing ring is arranged, so that if the collided cable falls off due to collision, the contact pin can puncture the outer skin of the cable and be plugged into the cable, the fixing ring is made of an insulating material, the broken cable can be prevented from conducting electricity, and the cable can be hung by the fixing ring, so that an electric shock accident caused by the falling of the cable is avoided.

4. According to the invention, the audible and visual alarm is arranged, when the cable is broken from the connecting position of the first connecting sleeve and the second connecting sleeve, the second stay rope is pulled and the pull switch is pulled, at the moment, the audible and visual alarm controlled by the pull switch works, so that an audible and visual alarm is sent out to prompt pedestrians nearby to keep away, and meanwhile, an maintainer can quickly position the accident occurrence position, so that the cable is convenient to overhaul in the later period.

Drawings

FIG. 1 is a schematic diagram of a connection state structure of the present invention;

FIG. 2 is a schematic view of an exploded view of the present invention;

FIG. 3 is a schematic view of the structure of the spike of the present invention;

FIG. 4 is a schematic view of the construction of the mounting bar of the present invention;

FIG. 5 is a schematic view of the structure of the portion A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of a second latch according to the present invention;

FIG. 7 is a schematic view of the first latch of the present invention;

FIG. 8 is a schematic view of the structure of the rotating shaft of the present invention;

FIG. 9 is a schematic view of the structure of a second nut of the present invention;

FIG. 10 is a schematic view of the structure of the fixing ring of the present invention.

In the figure: 1. a first connection sleeve; 11. a first mounting ring; 12. spike; 2. a first clamping block; 21. a first mounting plate; 22. a first telescopic rod; 23. a first spring; 24. a rotating shaft; 25. a cam; 26. a spiral groove; 27. a slide block; 3. a second connecting sleeve; 31. a second mounting ring; 32. a receiving groove; 33. a seal ring; 34. a second clamping block; 35. a second mounting plate; 36. a second telescopic rod; 37. a second spring; 4. a mounting rod; 41. a limiting block; 42. a limiting plate; 43. a torsion spring; 44. a mounting base; 45. a limit bar; 46. a clamping groove; 47. a housing box; 5. a column; 51. a connecting plate; 52. a first nut; 53. a fixing plate; 54. a second nut; 55. a collar; 56. a first pull rope; 57. a second pull rope; 58. an audible and visual alarm; 59. a pull-type switch; 6. a fixing ring; 61. a flexible rod; 62. and (5) inserting pins.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1, 2, 6 and 7, the present invention provides a technical solution: the utility model provides a high-voltage power network power cable protector, including first adapter sleeve 1 and the second adapter sleeve 3 that are used for fixed cable, fixedly connected with first collar 11 and second collar 31 respectively on the opposite face of first adapter sleeve 1 and second adapter sleeve 3, fixedly connected with spacing 45 on the first collar 11, spacing 45 joint is on second collar 31, sliding connection has first fixture block 2 that is used for the joint cable in the lateral wall of first adapter sleeve 1, sliding connection has second fixture block 34 that is used for the joint cable in the lateral wall of second adapter sleeve 3, be equipped with the actuating mechanism that is used for driving first fixture block 2 and second fixture block 34 gliding on the first adapter sleeve 1.

During use, the first connecting sleeve 1 and the second connecting sleeve 3 are respectively sleeved on two sections of cables, the two sections of cables are connected and then the first connecting sleeve 1 and the second connecting sleeve 3 are pushed to be close to each other, so that the first mounting ring 11 and the second mounting ring 31 are in contact, the limiting strips 45 on the first mounting ring 11 can be clamped on the second mounting ring 31, the relative positions between the first mounting ring 11 and the second mounting ring 31 are fixed, the driving mechanism synchronously operates when the first mounting ring 11 approaches the second mounting ring 31, the first clamping block 2 and the second clamping block 34 move towards the cables, the positions between the cables and the first connecting sleeve 1 and the second connecting sleeve 3 are fixed, the first connecting sleeve 1 and the second connecting sleeve 3 are fixedly connected, the joints of the cables are protected, and the breakage of the joints of the cables is avoided.

Referring to fig. 4 and 5, a mounting seat 44 is fixedly connected to a surface, far away from the first mounting ring 11, of the second mounting ring 31, a mounting rod 4 is rotatably connected to the middle part of the mounting seat 44, a limiting block 41 is fixedly connected to the middle part of the mounting rod 4, through grooves matched with limiting strips 45 are formed in the second mounting ring 31, and a plurality of clamping grooves 46 matched with the limiting blocks 41 are formed in the upper surface of the limiting strips 45.

The limit bar 45 on the first mounting ring 11 is aligned with the through groove on the second mounting ring 31 to be inserted, at the moment, the limit bar 45 stirs the limit block 41, and the limit bar 45 is provided with the clamping groove 46, so that the limit block 41 can be pushed when the limit bar 45 is inserted, the limit block 41 can swing continuously, and when the limit block 41 is clamped into the clamping groove 46, the limit bar 45 is limited by the limit block 41 and cannot be pulled out from the second mounting ring 31, so that the firmness of connection between the first mounting ring 11 and the second mounting ring 31 is ensured.

Referring to fig. 4 and 5, the two ends of the mounting rod 4 are fixedly connected with a limiting plate 42, the two ends of the mounting rod 4 are sleeved with torsion springs 43, the two ends of the two torsion springs 43 are fixedly connected with a corresponding mounting seat 44 and the limiting plate 42, and a containing box 47 matched with the limiting strip 45 is fixedly connected to the side wall of the second connecting sleeve 3.

Can drive installation pole 4 and rotate on mount pad 44 when stopper 41 swings, and because the both ends of torsional spring 43 respectively with mount pad 44 and the limiting plate 42 fixed connection at the both ends of installation pole 4, and then torsional spring 43 can apply torsion to installation pole 4, make installation pole 4 have the power drive to normal position pivoted, and then can guarantee in the draw-in groove 46 on stopper 41 of the joint that can be stable with stopper 41 of installation pole 4 fixed connection, guarantee the firm degree of connection between first adapter sleeve 1 and the second adapter sleeve 3, holding box 47 can hold spacing 45, avoid spacing 45 to receive buckling deformation after the collision and lead to dismantlement comparatively inconvenient between first collar 11 and the second collar 31

Referring to fig. 4, 5, 6, 7 and 8, the driving mechanism includes a rotating shaft 24, the rotating shaft 24 is rotatably connected to a side wall of the first connecting sleeve 1, one end of the rotating shaft 24 is fixedly connected with a cam 25, the other end of the rotating shaft 24 is provided with a spiral groove 26, a second mounting ring 31 is provided with a through hole matched with the rotating shaft 24, a sliding block 27 is fixedly connected in the through hole, the sliding block 27 is intermittently and slidably connected in the spiral groove 26, and the cam 25 is intermittently abutted against the first clamping block 2.

When the limit strips 45 are aligned with the through grooves on the second mounting ring 31, the rotating shaft 24 is synchronously aligned with the through holes on the second mounting ring 31, then the rotating shaft 24 can be inserted into the through holes, when the rotating shaft 24 is inserted into the through holes on the second mounting ring 31, the sliding blocks 27 in the through holes of the second mounting ring 31 synchronously slide into the spiral grooves 26 on the rotating shaft 24, at the moment, the sliding blocks 27 slide in the spiral grooves 26 on the side wall of the rotating shaft 24, then the rotating shaft 24 rotates, at the moment, the cam 25 fixedly connected with the rotating shaft 24 rotates, and then the rotating cam 25 can apply pressure to the first clamping block 2, so that the first clamping block 2 slides towards the inside of the first connecting sleeve 1, and then the first clamping block 2 clamps a cable, so that the position of the cable and the first connecting sleeve 1 cannot be easily changed.

Referring to fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the top of the second fixture block 34 and one end of the limit bar 45, which is close to the second fixture block 34, are all provided with mutually matched inclination angles, two sides of the first fixture block 2 are fixedly connected with the first mounting plate 21, the lower surface of the first mounting plate 21 is fixedly connected with the first telescopic rod 22, the first telescopic rod 22 is sleeved with the first spring 23, two ends of the first spring 23 are respectively fixedly connected with the first mounting plate 21 and the first connecting sleeve 1, two sides of the second fixture block 34 are fixedly connected with the second mounting plate 35, the lower surface of the second mounting plate 35 is fixedly connected with the second telescopic rod 36, the second telescopic rod 36 is sleeved with the second spring 37, and two ends of the second spring 37 are respectively fixedly connected with the second mounting plate 35 and the second connecting sleeve 3.

When the first mounting ring 11 is to be attached to the second mounting ring 31, the limiting strip 45 fixedly connected to the first mounting ring 11 is in contact with the second clamping block 34, as the contact positions of the limiting strip 45 and the second clamping block 34 are both provided with an inclination angle, the limiting strip 45 which slides horizontally can push the second clamping block 34 to slide vertically, the second clamping block 34 slides towards the inside of the second connecting sleeve 3, the cable in the second connecting sleeve 3 is fixed, the first spring 23 can apply upward thrust to the first clamping block 2 through the first mounting plate 21, the first clamping block 2 can be far away from the cable in an initial state, the cable is convenient to pass through the first connecting sleeve 1 at the moment, the first clamping block 2 which moves upwards can push the cam 25, the spiral groove 26 on the side wall of the rotating shaft 24 can enable the sliding block 27 to slide in, the rotating shaft 24 can be stably inserted into the through hole on the second mounting ring 31, the second clamping block 34 is supported through the elastic action of the second spring 37, the cable is not convenient to pass through the second connecting sleeve 3 in the initial state.

Example two

Referring to fig. 3, further, on the basis of the first embodiment, a plurality of accommodating grooves 32 for accommodating the bagged glue are formed on a surface of the second mounting ring 31 facing the first mounting ring 11, a plurality of spikes 12 for puncturing the bagged glue are fixedly connected to a surface of the first mounting ring 11 facing the second mounting ring 31, and a sealing ring 33 is disposed between the second mounting ring 31 and the first mounting ring 11.

When the first mounting ring 11 is close to the second mounting ring 31, the spike 12 on the first mounting ring 11 can puncture the bagged glue in the accommodating groove 32 on the second mounting ring 31, so that the glue flows out to the position between the first mounting ring 11 and the second mounting ring 31, the first mounting ring and the second mounting ring are bonded, the connection firmness of the first mounting ring and the second mounting ring is further improved, and the sealing ring 33 is arranged to prevent the connection part of the cable from damaging leakage caused by external water seepage.

Example III

Referring to fig. 1, 2, 9 and 10, further, in the first embodiment, a connection plate 51 is commonly installed on the side walls of the first mounting ring 11 and the second mounting ring 31, four corners of the connection plate 51 are respectively connected with a first nut 52 in a threaded manner, and threaded holes matched with the first nuts 52 are respectively formed on the side walls of the first mounting ring 11 and the second mounting ring 31.

When the first mounting ring 11 contacts with the second mounting ring 31, the connecting plate 51 is mounted on the first mounting ring 11 and the second mounting ring 31 through the first nut 52, so that the connection firmness between the first mounting ring 11 and the second mounting ring 31 is further enhanced.

Referring to fig. 1, 2, 9 and 10, the upper surface of the connection plate 51 is fixedly connected with a column 5, the top of the column 5 is fixedly connected with a fixing plate 53, four corners of the fixing plate 53 are provided with four second nuts 54 and are mounted on a fixed building through the second nuts 54, and the four second nuts 54 are in clearance fit with the fixing plate 53.

The upright 5 is arranged to provide a fixed connection between the connection plate 51 and the fixing plate 53, and after the connection plate 51 is mounted on the first mounting ring 11 and the second mounting ring 31, the fixing plate 53 is mounted to a desired position by the second nut 54, so that the cable can be hung on a fixed building.

Referring to fig. 1, fig. 2, fig. 9 and fig. 10, four lantern rings 55 are slidably connected in the fixed plate 53, the four lantern rings 55 are respectively sleeved on the four second nuts 54, the lantern rings 55 are in clearance fit with the second nuts 54, a first pull rope 56 is fixedly connected between the two lantern rings 55 on the same side, flexible rods 61 are fixedly connected to the end faces of the first connecting sleeve 1 and the second connecting sleeve 3, a fixed ring 6 is fixedly connected to the end part of each flexible rod 61, a second pull rope 57 is fixedly connected to the middle part of each first pull rope 56, one end, far away from the first pull rope 56, of each second pull rope 57 is fixedly connected with the fixed ring 6, a cable is inserted into the middle part of the fixed ring 6, and a contact pin 62 is fixedly connected to the inner wall of the fixed ring 6.

The cable passes through the middle part of the fixed ring 6 when in connection, as the two fixed rings 6 are connected with the first connecting sleeve 1 and the second connecting sleeve 3 at the same side through the flexible rod 61, a certain distance is reserved between the fixed ring 6 and the first connecting sleeve 1 and the second connecting sleeve 3, when the cable at one side of the first connecting sleeve 1 or the second connecting sleeve 3 is collided, if the collided cable falls off due to the collision, the cable can be contacted with the fixed ring 6 at the moment, the contact pin 62 is fixedly connected on the inner wall of the fixed ring 6, and then the contact pin 62 can puncture the outer skin of the cable and be inserted on the cable at the moment, the fixed ring 6 is made of insulating materials, the broken cable can be prevented from conducting electricity, the cable can be hung by the fixed ring 6 at the moment, and further the electric shock accident caused by the falling of the cable can be avoided, in addition, the gravity of the cable pulls the fixed ring 6, the flexible rod 61 is deformed at the moment, the fixing ring 6 pulls the first pull rope 56 through the second pull rope 57, at this time, the first pull rope 56 pulls the two lantern rings 55 at the same side, because the lantern rings 55 and the second nut 54 are in clearance fit, the lantern rings 55 can slide relative to the fixing plate 53, at this time, the lantern rings 55 push the second nut 54, and the second nut 54 is in clearance fit with the fixing plate 53, at this time, when the connection between the second nut 54 and the fixing building is loose, the second nuts 54 at the same side can be pushed by the lantern rings 55 to incline, at this time, the contact pressure between the second nut 54 and the fixing building is increased, and further the friction force between the second nut 54 and the fixing building is increased, the connection firmness between the fixing plate 53 and the fixing building is enhanced, and the larger the collision force of the cable is, the larger the pull force of the second pull rope 57 to the first pull rope 56 is, the pressure between the second nut 54 and the fixed building is larger, the connection firmness degree between the fixed plate 53 and the fixed building is increased in adaptability, and the accident of electric shock caused by cable falling is avoided to a certain extent.

Example IV

Referring to fig. 9, further, on the basis of the third embodiment, the middle part of the second pull rope 57 is fixedly connected with an audible and visual alarm 58, the bottom of the audible and visual alarm 58 is fixedly connected with a pull switch 59 for controlling the audible and visual alarm 58, and the control part of the pull switch 59 is fixedly connected with the second pull rope 57.

When the cable breaks from the connection position of the first connecting sleeve 1 and the second connecting sleeve 3, the second pull rope 57 is pulled and pulls the pull switch 59, at the moment, the audible and visual alarm 58 controlled by the pull switch 59 works to give out audible and visual alarm to prompt pedestrians nearby to keep away, and meanwhile, an maintainer can quickly position the accident occurrence position, so that the cable is convenient to overhaul in the later period;

if the cable is not broken by collision, the second pull rope 57 pulls the pull switch 59 at the bottom of the audible and visual alarm 58 for a period of time, when the cable is no longer in collision, the cable gradually does not apply a pulling force to the fixed ring 6, and then the audible and visual alarm 58 stops running, and the short running of the audible and visual alarm 58 can prompt the collider, so that the collider is far away from the cable after being prompted.

Working principle: this high-voltage power network power cable protector, cup joint first adapter sleeve 1 and second adapter sleeve 3 respectively on two sections cables during the use, promote behind two sections cable connection first adapter sleeve 1 and second adapter sleeve 3 each other and be close to for first collar 11 and second collar 31 contact, spacing 45 on the first collar 11 can the joint on second collar 31 this moment, and then make the relative position between first collar 11 and the second collar 31 obtain fixing, the actuating mechanism synchronous operation when first collar 11 is close to second collar 31, first fixture block 2 and second fixture block 34 all move to the cable this moment, and then make the position between cable and first adapter sleeve 1 and the second adapter sleeve 3 obtain fixedly connected, and then make the junction of cable obtain the protection between first adapter sleeve 1 and the second adapter sleeve 3, avoid the junction fracture of cable.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-voltage power network power cable protector, includes first adapter sleeve (1) and second adapter sleeve (3) that are used for fixed cable, its characterized in that: the utility model discloses a cable connector is characterized in that a first installing ring (11) and a second installing ring (31) are fixedly connected to opposite faces of a first connecting sleeve (1) and a second connecting sleeve (3), a limiting strip (45) is fixedly connected to the first installing ring (11), the limiting strip (45) is clamped on the second installing ring (31), a first clamping block (2) for clamping a cable is connected to the inner side of the side wall of the first connecting sleeve (1), a second clamping block (34) for clamping the cable is connected to the inner side of the side wall of the second connecting sleeve (3), and a driving mechanism for driving the first clamping block (2) and the second clamping block (34) to slide is arranged on the first connecting sleeve (1).

2. A high voltage power network power cable protection device as recited in claim 1, wherein: fixedly connected with mount pad (44) on the one side of keeping away from first collar (11) on second collar (31), the middle part of mount pad (44) rotates and is connected with installation pole (4), the middle part fixedly connected with stopper (41) of installation pole (4), set up on second collar (31) with spacing (45) complex logical groove, a plurality of draw-in grooves (46) with stopper (41) complex are seted up on the upper surface of spacing (45).

3. A high voltage power network power cable protection device as claimed in claim 2, wherein: the utility model discloses a motor vehicle mounting structure, including installation pole (4), torsional spring (43) have all been cup jointed at the both ends of installation pole (4), both ends of torsional spring (43) all with corresponding mount pad (44) and limiting plate (42) fixed connection, fixedly connected with holds case (47) with spacing (45) complex on the lateral wall of second adapter sleeve (3).

4. A high voltage power network power cable protection device as recited in claim 1, wherein: the driving mechanism comprises a rotating shaft (24), the rotating shaft (24) is rotationally connected to the side wall of the first connecting sleeve (1), one end of the rotating shaft (24) is fixedly connected with a cam (25), a spiral groove (26) is formed in the other end of the rotating shaft (24), a through hole matched with the rotating shaft (24) is formed in the second mounting ring (31), a sliding block (27) is fixedly connected in the through hole, the sliding block (27) is intermittently and slidingly connected in the spiral groove (26), and the cam (25) is intermittently abutted to the first clamping block (2).

5. The high voltage power network power cable protection device according to claim 4, wherein: the top of the second clamping block (34) and one end, close to the second clamping block (34), of the limiting strip (45) are provided with mutually matched dip angles;

the two sides of the first clamping block (2) are fixedly connected with a first mounting plate (21), the lower surface of the first mounting plate (21) is fixedly connected with a first telescopic rod (22), a first spring (23) is sleeved on the first telescopic rod (22), two ends of the first spring (23) are respectively fixedly connected with the first mounting plate (21) and the first connecting sleeve (1), the two sides of the second clamping block (34) are fixedly connected with a second mounting plate (35), the lower surface of the second mounting plate (35) is fixedly connected with a second telescopic rod (36), a second spring (37) is sleeved on the second telescopic rod (36), and two ends of the second spring (37) are fixedly connected with the second mounting plate (35) and the second connecting sleeve (3) respectively.

6. A high voltage power network power cable protection device as recited in claim 1, wherein: a plurality of holding grooves (32) for holding bagged glue are formed in one face, facing the first mounting ring (11), of the second mounting ring (31), a plurality of spines (12) for puncturing the bagged glue are fixedly connected to one face, facing the second mounting ring (31), of the first mounting ring (11), and sealing rings (33) are arranged between the second mounting ring (31) and the first mounting ring (11).

7. A high voltage power network power cable protection device as recited in claim 1, wherein: the connecting plate (51) is jointly installed on the side wall of the first mounting ring (11) and the side wall of the second mounting ring (31), first nuts (52) are connected to four corners of the connecting plate (51) in a threaded mode, and threaded holes matched with the first nuts (52) are formed in the side wall of the first mounting ring (11) and the side wall of the second mounting ring (31).

8. The high voltage power network power cable protection device of claim 7, wherein: the upper surface fixedly connected with stand (5) of connecting plate (51), the top fixedly connected with fixed plate (53) of stand (5), four corners of fixed plate (53) are provided with four second nuts (54) and install on fixed building through second nut (54), four clearance fit between second nut (54) and the fixed plate (53).

9. The high voltage power network power cable protection device of claim 8, wherein: the utility model discloses a fixed plate, including fixed plate (53), fixed plate (53), four sliding connection has four lantern rings (55), four lantern rings (55) cup joint respectively on four second nuts (54), clearance fit between lantern rings (55) and second nuts (54), two of homonymy fixedly connected with first stay cord (56) between lantern rings (55), all fixedly connected with flexible pole (61) on the terminal surface of first adapter sleeve (1) and second adapter sleeve (3), the tip fixedly connected with solid fixed ring (6) of flexible pole (61), the middle part fixedly connected with second stay cord (57) of first stay cord (56), the one end and solid fixed ring (6) fixedly connected with of keeping away from first stay cord (56) on second stay cord (57), the cable alternates the middle part of connecting at solid fixed ring (6), fixedly connected with contact pin (62) on the inner wall of solid fixed ring (6).

10. The high voltage power network power cable protection device of claim 9, wherein: the middle part fixedly connected with audible and visual annunciator (58) of second stay cord (57), audible and visual annunciator (58)'s bottom fixedly connected with is used for controlling pulling switch (59) of audible and visual annunciator (58), the control position and the second stay cord (57) fixed connection of pulling switch (59).