CN113964781A - Cable joint protection device for power engineering - Google Patents
Cable joint protection device for power engineering Download PDFInfo
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- CN113964781A CN113964781A CN202111177849.2A CN202111177849A CN113964781A CN 113964781 A CN113964781 A CN 113964781A CN 202111177849 A CN202111177849 A CN 202111177849A CN 113964781 A CN113964781 A CN 113964781A
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- cable
- side frame
- power engineering
- protection mechanism
- bolt
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a cable joint protection device for power engineering, which comprises a protection mechanism and a fixing component, wherein a steel wire rope is connected between the fixing component and the protection mechanism, the protection mechanism comprises a base, a left side frame and a right side frame, a bolt rod is arranged on one side of the right side frame, a threaded disc is arranged on one side of the left side frame, and the threaded disc is in threaded connection with the bolt rod. According to the cable joint protection device for the power engineering, firstly, two groups of side frames are arranged at the top of the base, and the bolt rods and the threaded discs which are in threaded connection are arranged between the two groups of side frames, so that the difficulty in mounting the device can be reduced, and the convenience in use of the device is improved; secondly, through set up explosion-proof component in protection machanism's inboard to with the inside cavity intercommunication of protection machanism, can be when the cable connection department takes place the explosion, with the leading-in cavity of air, thereby reduce the air current that the explosion produced, the fire extinguishing agent of cavity inside simultaneously can put out a fire to the cable junction.
Description
Technical Field
The invention relates to the technical field of cable protection, in particular to a cable joint protection device for an electric power engineering.
Background
The cable joint protection device is a device for protecting a cable joint, when the cable is laid, because the length of the cable is limited, a plurality of groups of cables are often required to be mutually butted front and back, so that the length of the cable is lengthened, at the moment, the cable joint is required to be protected and sealed, and the cable joint is placed to be separated or broken;
at present, when the existing cable joint protection device is used, bolts are generally used for fixing the device and a cable, when the device is damaged or needs to be installed, a user needs to use a specific tool and spend a certain time to complete, and in addition, since the cable is usually laid in the air in order to ensure the safety of the cable, a user is required to perform long-term work high above the ground during repair, which affects the safety of workers, secondly, the prior cable joint protection device only has the function of sealing and coating the cable joint when in use, but when the cable joint explodes or catches fire due to current, the fire or explosion cannot be limited, so that the fire spreads, further spreading the harm and seriously affecting the use safety of the device, therefore, a cable joint protection device for the power engineering is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides a cable joint protection device for power engineering, which solves the technical problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a cable joint protection device for electric power engineering comprises a protection mechanism arranged at the position of a cable joint and a fixing component sleeved outside a cable, wherein a steel wire rope is connected between the fixing component and the protection mechanism,
the protection mechanism comprises a base, a left side frame and a right side frame which are movably arranged on two sides of the base, wherein a plurality of groups of bolt rods are arranged on one side of the right side frame facing the left side frame, threaded discs which are in one-to-one correspondence with the bolt rods are arranged on one side of the left side frame facing the right side frame, and the threaded discs are connected with the bolt rods through threads;
the fixed assemblies are provided with two groups and are respectively connected with the left side frame and the right side frame through steel wire ropes, and a positioning assembly used for fixing the moving range of the steel wire ropes is sleeved between the two groups of steel wire ropes.
Preferably, two sets of fixed subassembly cup joints with the cable at cable joint both ends respectively, and fixed subassembly contains the go-between that is "Contraband" font and connects the elasticity bolt at the go-between both ends, and the one end movable mounting of elasticity bolt has the attacker that drives its rotation, the one end of elasticity bolt is passed through the bearing and is connected with the one end of go-between, and the outer wall of elasticity bolt passes through threaded connection with the other end of go-between.
Preferably, both sides of the left side frame are provided with Contraband-shaped side edges, and the side edges are movably inserted with the flanges arranged on both sides of the base.
Preferably, the locating component comprises a thread passing seat in a shape like a Chinese character 'tu' and a connecting plate connected to the top of the thread passing seat, and through holes used for inserting the steel wire ropes are formed in two ends of the thread passing seat.
Preferably, the connecting plate is connected with the top of the threading seat through a bolt, and the threading seat is I-shaped after being connected with the connecting plate.
Preferably, the outside cover of protection machanism is equipped with the coupling assembling that is used for fixed side cable, and coupling assembling contains and overlaps respectively and establish butt joint board and the upper ledge in protection machanism upper and lower both sides to set up the side pipe that is used for pegging graft side cable in the outside of upper ledge.
Preferably, wire outlet pipes corresponding to one ends of the side pipes are arranged outside the left side frame and the right side frame, and sealing covers used for sealing the wire outlet pipes are connected to the inner walls of the wire outlet pipes through threads.
Preferably, the inner wall of the protection mechanism is inserted with a plurality of groups of explosion-proof components, the rear ends of the explosion-proof components are communicated with a cavity arranged in the protection mechanism, and fire extinguishing agents are filled in the cavity,
the explosion-proof assembly comprises a cylindrical socket, a lower retaining ring and an upper retaining ring, wherein the lower retaining ring and the upper retaining ring are sleeved outside the socket, the upper retaining ring is connected with the outer wall of the socket through threads, an elastic pad is installed at the top of the socket, and a wire breaking needle which corresponds to the elastic pad up and down is installed at the bottom of the socket.
Preferably, the bottom of the socket is provided with a via hole which is communicated with the cavity, and the inner wall of the protection mechanism is positioned between the lower retaining ring and the upper retaining ring.
Preferably, the two ends of the protection mechanism are provided with limiting components for limiting the cable, and the limiting components comprise a cylindrical insertion cylinder, a plurality of groups of stop rods arranged on the inner wall of the insertion cylinder and stop blocks sleeved outside the cable,
the stop lever is Z-shaped, is encircled into a funnel shape and corresponds to the groove formed in the inner side of the stop block.
(III) advantageous effects
Firstly, two groups of side frames are arranged at the top of the base, and a bolt rod and a threaded disc which are in threaded connection are arranged between the two groups of side frames, so that the difficulty of mounting the device can be greatly reduced, and the difficulty of subsequent disassembly is facilitated, thereby improving the convenience of the device in use;
secondly, the connecting component is arranged on the outer side of the protection mechanism, so that the difficulty in installing the side cable can be reduced, the side cable can be fixed, and the applicability of the device is improved;
thirdly, the explosion-proof assembly is arranged on the inner side of the protection mechanism and is communicated with the cavity in the protection mechanism, so that when the cable wiring position explodes, air can be introduced into the cavity, the airflow generated by explosion is reduced, meanwhile, the fire extinguishing agent in the cavity can extinguish the fire at the cable connection position, and therefore the safety of the device is improved;
fourthly, the stop block is sleeved outside the cable, and the stop rod corresponding to the stop block is arranged on the inner side of the insertion cylinder, so that the cable can be prevented from being pulled out, and the use safety and stability of the device are improved;
fifthly, the steel wire ropes are arranged between the connecting ring and the side frame, and the positioning assemblies are arranged between the two groups of steel wire ropes, so that the center of the cable can be pulled, and meanwhile, the device can be supported, the pulling force at the connection position of the device and the cable is reduced, and the stability of the device in use is improved.
Drawings
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
FIG. 1 is an overall structure diagram of a cable joint protection device for power engineering according to the present invention;
FIG. 2 is an exploded view of the shield and connecting assembly of the cable splice protector for electrical engineering of the present invention;
FIG. 3 is a cross-sectional view of a protection mechanism in the cable joint protection device for power engineering according to the present invention;
FIG. 4 is a structural diagram of an explosion-proof assembly in the cable joint protection device for power engineering according to the present invention;
FIG. 5 is an exploded view of an explosion-proof assembly in the cable joint protection device for power engineering according to the present invention;
FIG. 6 is a structural diagram of a position-limiting component of the cable joint protection device for power engineering according to the present invention;
FIG. 7 is a partial cross-sectional view of a position limiting assembly in the cable joint protection device for power engineering of the present invention;
FIG. 8 is a structural view of the left and right side frames of the cable joint protector for power engineering of the present invention;
FIG. 9 is a partial cross-sectional view of the joint between the left and right side frames of the cable joint protector for power engineering in accordance with the present invention;
FIG. 10 is a structural diagram of a fixing member of the cable joint protection device for power engineering according to the present invention;
fig. 11 is a structural diagram of a positioning assembly in the cable joint protection device for power engineering according to the present invention.
Illustration of the drawings: 1. a protection mechanism; 11. a base; 12. a left side frame; 13. a right side frame; 14. a bolt shank; 15. a threaded disc; 2. a connecting assembly; 21. a butt plate; 22. putting on a shelf; 23. a side tube; 3. a fixing assembly; 31. a connecting ring; 32. buckling a handle; 4. a wire rope; 5. a positioning assembly; 51. a threading seat; 52. a connecting plate; 6. an explosion-proof assembly; 61. a socket; 62. a lower baffle ring; 63. an upper baffle ring; 64. an elastic pad; 65. a thread breaking needle; 7. a limiting component; 71. a plug-in barrel; 72. a gear lever; 73. and a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.
Referring to fig. 1 to 11, the invention provides a cable joint protection device for power engineering, which includes a protection mechanism 1 installed at a cable joint position and a fixing component 3 sleeved outside a cable, wherein a steel wire rope 4 is connected between the fixing component 3 and the protection mechanism 1, wherein,
the protection mechanism 1 comprises a base 11, a left side frame 12 and a right side frame 13 which are movably arranged on two sides of the base 11, wherein a plurality of groups of bolt rods 14 are arranged on one side, facing the left side frame 12, of the right side frame 13, threaded discs 15 which are in one-to-one correspondence with the bolt rods 14 are arranged on one side, facing the right side frame 13, of the left side frame 12, and the threaded discs 15 are in threaded connection with the bolt rods 14;
the fixed components 3 are provided with two groups and are respectively connected with the left side frame 12 and the right side frame 13 through steel wire ropes 4, and a positioning component 5 used for fixing the moving range of the steel wire ropes 4 is sleeved between the two groups of steel wire ropes 4.
The base 11 is placed below the cable joint position, then the left side frame 12 and the right side frame 13 are pushed to the center of the base 11 from the left side and the right side of the base 11 respectively, so that the left side frame 12 and the right side frame 13 are butted together, and since the bolt rod 14 is arranged on one side of the right side frame 13 facing the left side frame 12 and the threaded discs 15 corresponding to the bolt rods 14 one by one are arranged on one side of the left side frame 12 facing the right side frame 13, when the bolt rod 14 is butted with the threaded discs 15, the threaded discs 15 are rotated, so that the bolt rods 14 and the threaded discs 15 are connected together through threads, and the shape shown in fig. 9 is formed.
Referring to fig. 1 and 10, two sets of fixing assemblies 3 are respectively sleeved with cables at two ends of a cable connector, and each fixing assembly 3 includes a connecting ring 31 shaped like "Contraband" and a fastening bolt connected to two ends of the connecting ring 31, one end of the fastening bolt is movably provided with a handle 32 for driving the fastening bolt to rotate, one end of the fastening bolt is connected with one end of the connecting ring 31 through a bearing, and the outer wall of the fastening bolt is in threaded connection with the other end of the connecting ring 31.
The connecting ring 31 sleeved outside the cable is pushed towards the direction far away from the protection mechanism 1, so that the steel wire rope 4 between the connecting ring 31 and the protection mechanism 1 is straightened, then the buckle handle 32 on the outer side of the connecting ring 31 is manually rotated, so that the buckle handle 32 drives the elastic bolt to reduce the distance between two ends of the connecting ring 31, so that the connecting ring 31 is extruded towards the cable at the center, after the completion, the buckle handle 32 is pushed towards the outer side of the connecting ring 31, so that the buckle handle 32 is attached to the outer side of the connecting ring 31 to form the shape shown in figure 10, after the completion, the positioning component 5 sleeved on the outer side of the steel wire rope 4 is pushed upwards, when the steel wire rope 4 is tightened, the bolt at the top of the connecting plate 52 is rotated, so that the connecting plate 52 positioned at the top of the threading seat 51 moves downwards, so that the steel wire rope 4 passing through the through hole is extruded, the position at the moment is kept, and the fixing component 3 and the steel wire rope 4, the weight of the device is shared to the surface of the cable, not the connection, thereby reducing the tension at the connection of the cable to the device.
Referring to fig. 3, both sides of the left side frame 12 are provided with Contraband-shaped side edges, and the side edges are movably inserted into the flanges provided on both sides of the base 11, and the side edges are slidably connected to the flanges.
When the left side frame 12 and the right side frame 13 are butted together, the side edges of the two sides of the side frames are sleeved outside the flanges of the two sides of the base 11, so that when the bolt rod 14 is connected with the threaded disc 15, the side frames are tightly connected with the side edges of the base 11, and the installation of the device can be completed.
Referring to fig. 1 and 11, the positioning assembly 5 includes a "convex" shaped threading seat 51 and a connecting plate 52 connected to the top of the threading seat 51, and through holes for inserting the steel wire rope 4 are provided at both ends of the threading seat 51.
The positioning component 5 sleeved outside the steel wire rope 4 is pushed upwards, and the weight of the device is shared to the surface of the cable instead of the joint through the fixing component 3 and the steel wire rope 4, so that the tensile force of the joint of the cable and the device is reduced.
Referring to fig. 11, the connection plate 52 is connected to the top of the threading base 51 by bolts, and the threading base 51 and the connection plate 52 are in an i shape after being connected.
When the steel cable 4 is tightened, the bolt at the top of the connecting plate 52 is rotated, so that the connecting plate 52 at the top of the threading seat 51 moves downward, thereby pressing the steel cable 4 passing through the through hole and maintaining the position at this time.
Referring to fig. 1 and 2, a connecting assembly 2 for fixing a side cable is sleeved outside the protection mechanism 1, the connecting assembly 2 includes a butt plate 21 and an upper frame 22 respectively sleeved on the upper and lower sides of the protection mechanism 1, and a side tube 23 for plugging the side cable is arranged outside the upper frame 22.
When a branch cable needs to be led out from a main cable, the sealing cover outside the side frame is taken down, then the branch cable penetrates through the side pipe 23 at the top of the upper frame 22 and is inserted into the outlet pipe outside the side frame, finally the side cable entering the protection mechanism 1 is connected with the main cable, after the connection is finished, the butt plate 21 is placed below the protection mechanism 1 and corresponds to the upper frame 22 up and down, after the connection is finished, the upper frame 22 and the butt plate 21 are connected together by using bolts to form the shape shown in fig. 2, and the installation of the branch cable is finished.
Referring to fig. 2, the outside of the left side frame 12 and the right side frame 13 is provided with a wire outlet pipe corresponding to one end of the side pipe 23, and the inner wall of the wire outlet pipe is connected with a sealing cover for sealing the wire outlet pipe through a screw thread.
Through set up sealed lid in the outside of being qualified for the next round of competitions pipe, can seal the pipe of being qualified for the next round of competitions when branch cable does not connect.
Referring to fig. 2, 4 and 5, a plurality of groups of explosion-proof assemblies 6 are inserted into the inner wall of the protection mechanism 1, the rear ends of the explosion-proof assemblies 6 are communicated with a cavity arranged inside the protection mechanism 1, and fire extinguishing agents are filled inside the cavity, wherein,
the explosion-proof assembly 6 comprises a cylindrical socket 61, a lower retaining ring 62 and an upper retaining ring 63 which are sleeved outside the socket 61, the upper retaining ring 63 is connected with the outer wall of the socket 61 through threads, an elastic pad 64 is installed at the top of the socket 61, and a thread breaking needle 65 which vertically corresponds to the elastic pad 64 is installed at the bottom of the socket 61.
When the cable joint is exploded or ignited, the cable joint is positioned in the protection mechanism 1, and the elastic pad 64 is arranged in the explosion-proof assembly 6, so that when the cable joint is exploded or ignited, the internal air pressure is increased, the elastic pad 64 is deformed towards the inner side of the socket 61 under the action of the air pressure, when the elastic pad 64 is contacted with the wire breaking needle 65 on the inner side of the socket 61, the elastic pad 64 is broken, the fire extinguishing agent in the cavity enters the protection mechanism 1 from the through hole on the outer side of the socket 61, the explosion or ignition occurring at the cable joint is extinguished and cooled, and the fire spread when the device is exploded or exploded is prevented.
Referring to fig. 4 and 5, a through hole is formed at the bottom of the socket 61, the through hole is communicated with the cavity, and the inner wall of the protection mechanism 1 is located between the lower retaining ring 62 and the upper retaining ring 63.
Through seting up the via hole in the bottom of socket 61 to with via hole and cavity intercommunication, can make the inside fire extinguishing agent of cavity enter into protection machanism 1's inside from the outside via hole of socket 61 when cushion 64 breaks, put out a fire and cool down to the explosion or catching fire that the cable joint position took place, thereby prevent spreading of the intensity of a fire when the device explodes or explodes.
Referring to fig. 5 and 6, the two ends of the protection mechanism 1 are provided with a limiting assembly 7 for limiting the cable, and the limiting assembly 7 includes a cylindrical socket 71, a plurality of sets of stop rods 72 mounted on the inner wall of the socket 71, and a stop 73 sleeved outside the cable,
the blocking rod 72 is in a shape of a zigzag, is surrounded into a funnel shape, and corresponds to a groove formed on the inner side of the block 73.
Since the position limiting component 7 is sleeved outside the cable, when the cable is pulled outwards, the stop block 73 sleeved outside the cable moves towards the position limiting component 7, because the stop 73 is provided with a funnel-shaped groove towards the direction of the insertion cylinder 71, and the stop rod 72 at the inner side of the insertion cylinder 71 surrounds and is funnel-shaped, since the shift lever 72 keeps the gap of movement, when the stopper 73 moves toward the insertion cylinder 71, first, the stopper rod 72 is contacted with the stopper rod 72 inside the insertion cylinder 71, the stopper rod 72 moves to the center along the inner wall of the groove, thereby squeezing the cable located at the axial center of the stopper rod 72 so that the cable cannot move outward, and when the cable continues to move outward, the stopper rod 72 continues to move in the direction of the cable, thereby pressing the cable so that the pressing strength between the stopper lever 72 and the cable is increased, thereby improving the frictional force between the stopper lever 72 and the cable.
When the cable connector is used, the fixing component 3, the limiting component 7 and the stopper 73 are sequentially sleeved outside two groups of cables to be connected in a butt joint mode, then the base 11 is placed below the cable connector position, then the left side frame 12 and the right side frame 13 are respectively pushed to the center of the base 11 from the left side and the right side of the base 11, so that the left side frame 12 and the right side frame 13 are connected in a butt joint mode, the bolt rod 14 is arranged on one side, facing the left side frame 12, of the right side frame 13, the threaded discs 15 corresponding to the bolt rod 14 in a one-to-one mode are arranged on one side, facing the right side frame 13, of the left side frame 12, the threaded discs 15 are rotated when the bolt rod 14 is connected with the threaded discs 15 in a butt joint mode, the shape shown in figure 9 is formed, therefore the left side frame 12 is connected with the right side frame 13 in a butt joint mode, at the moment, the side edges on the two sides of the side frame are sleeved outside blocking edges on the two sides of the base 11, therefore, when the bolt bar 14 is connected with the threaded disc 15, the side frame is tightly connected with the side edge of the base 11, and the installation of the device can be completed.
Secondly, because the limiting component 7 is sleeved outside the cable, when the cable is pulled outwards, the stop block 73 sleeved outside the cable moves towards the limiting component 7, because the stop 73 is provided with a funnel-shaped groove towards the direction of the insertion cylinder 71, and the stop rod 72 at the inner side of the insertion cylinder 71 surrounds and is funnel-shaped, since the shift lever 72 keeps the gap of movement, when the stopper 73 moves toward the insertion cylinder 71, first, the stopper rod 72 is contacted with the stopper rod 72 inside the insertion cylinder 71, the stopper rod 72 moves to the center along the inner wall of the groove, thereby squeezing the cable located at the axial center of the stopper rod 72 so that the cable cannot move outward, and when the cable continues to move outward, the stopper rod 72 continues to move in the direction of the cable, thereby pressing the cable so that the pressing strength between the stopper lever 72 and the cable is increased, thereby improving the frictional force between the stopper lever 72 and the cable.
Finally, the connecting ring 31 sleeved outside the cable is pushed to the direction far away from the protection mechanism 1, so that the steel wire rope 4 between the connecting ring 31 and the protection mechanism 1 is straightened, then the buckle handle 32 on the outer side of the connecting ring 31 is manually rotated, so that the buckle handle 32 drives the elastic bolt now, the distance between two ends of the connecting ring 31 is reduced, so that the connecting ring 31 is extruded towards the cable at the center, after the completion, the buckle handle 32 is pushed to the outer side of the connecting ring 31, so that the buckle handle 32 is attached to the outer side of the connecting ring 31 to form the shape shown in fig. 10, after the completion, the positioning component 5 sleeved outside the steel wire rope 4 is pushed upwards, when the steel wire rope 4 is tightened, the bolt at the top of the connecting plate 52 is rotated, so that the connecting plate 52 at the top of the threading seat 51 moves downwards, so that the steel wire rope 4 passing through the through hole is extruded, the position at the moment is kept, and the fixing component 3 and the steel wire rope 4, the weight of the device is shared to the surface of the cable, not the connection, thereby reducing the tension at the connection of the cable to the device.
When a branch cable needs to be led out from a main cable, the sealing cover outside the side frame is taken down, then the branch cable penetrates through the side pipe 23 at the top of the upper frame 22 and is inserted into the outlet pipe outside the side frame, finally the side cable entering the protection mechanism 1 is connected with the main cable, after the connection is finished, the butt plate 21 is placed below the protection mechanism 1 and corresponds to the upper frame 22 up and down, after the connection is finished, the upper frame 22 and the butt plate 21 are connected together by using bolts to form the shape shown in fig. 2, and the installation of the branch cable is finished.
When the cable joint is exploded or ignited, the cable joint is positioned in the protection mechanism 1, and the elastic pad 64 is arranged in the explosion-proof assembly 6, so that when the cable joint is exploded or ignited, the internal air pressure is increased, the elastic pad 64 is deformed towards the inner side of the socket 61 under the action of the air pressure, when the elastic pad 64 is contacted with the wire breaking needle 65 on the inner side of the socket 61, the elastic pad 64 is broken, the fire extinguishing agent in the cavity enters the protection mechanism 1 from the through hole on the outer side of the socket 61, the explosion or ignition occurring at the cable joint is extinguished and cooled, and the fire spread when the device is exploded or exploded is prevented.
Examples
Referring to fig. 1 to 11, the present invention provides a cable joint protection device for power engineering, which includes a protection mechanism 1 installed at a cable joint position and a fixing component 3 sleeved outside a cable, and a steel wire rope 4 is connected between the fixing component 3 and the protection mechanism 1, wherein,
the protection mechanism 1 comprises a base 11, a left side frame 12 and a right side frame 13 which are movably arranged on two sides of the base 11, wherein a plurality of groups of bolt rods 14 are arranged on one side, facing the left side frame 12, of the right side frame 13, threaded discs 15 which are in one-to-one correspondence with the bolt rods 14 are arranged on one side, facing the right side frame 13, of the left side frame 12, and the threaded discs 15 are in threaded connection with the bolt rods 14;
the fixed components 3 are provided with two groups and are respectively connected with the left side frame 12 and the right side frame 13 through steel wire ropes 4, and a positioning component 5 used for fixing the moving range of the steel wire ropes 4 is sleeved between the two groups of steel wire ropes 4.
Referring to fig. 1 and 10, two sets of fixing assemblies 3 are respectively sleeved with cables at two ends of a cable connector, and each fixing assembly 3 comprises a connecting ring 31 in the shape of Contraband and a tension bolt connected to two ends of the connecting ring 31, one end of the tension bolt is movably provided with a handle 32 for driving the tension bolt to rotate, one end of the tension bolt is connected with one end of the connecting ring 31 through a bearing, the outer wall of the tension bolt is connected with the other end of the connecting ring 31 through threads,
referring to fig. 3, both sides of the left side frame 12 are provided with Contraband-shaped side edges, and the side edges are movably inserted into the flanges provided on both sides of the base 11.
Referring to fig. 1 and 11, the positioning assembly 5 includes a "convex" shaped threading seat 51 and a connecting plate 52 connected to the top of the threading seat 51, and through holes for inserting the steel wire rope 4 are provided at both ends of the threading seat 51.
Referring to fig. 11, the connection plate 52 is connected to the top of the threading base 51 by bolts, and the threading base 51 and the connection plate 52 are in an i shape after being connected.
Referring to fig. 1 and 2, a connecting assembly 2 for fixing a side cable is sleeved outside the protection mechanism 1, the connecting assembly 2 includes a butt plate 21 and an upper frame 22 respectively sleeved on the upper and lower sides of the protection mechanism 1, and a side tube 23 for plugging the side cable is arranged outside the upper frame 22.
Referring to fig. 2, the outside of the left side frame 12 and the right side frame 13 is provided with a wire outlet pipe corresponding to one end of the side pipe 23, and the inner wall of the wire outlet pipe is connected with a sealing cover for sealing the wire outlet pipe through a screw thread.
Referring to fig. 2, 4 and 5, a plurality of groups of explosion-proof assemblies 6 are inserted into the inner wall of the protection mechanism 1, the rear ends of the explosion-proof assemblies 6 are communicated with a cavity arranged inside the protection mechanism 1, and fire extinguishing agents are filled inside the cavity, wherein,
the explosion-proof assembly 6 comprises a cylindrical socket 61, a lower retaining ring 62 and an upper retaining ring 63 which are sleeved outside the socket 61, the upper retaining ring 63 is connected with the outer wall of the socket 61 through threads, an elastic pad 64 is installed at the top of the socket 61, and a thread breaking needle 65 which vertically corresponds to the elastic pad 64 is installed at the bottom of the socket 61.
Referring to fig. 4 and 5, a through hole is formed at the bottom of the socket 61, the through hole is communicated with the cavity, and the inner wall of the protection mechanism 1 is located between the lower retaining ring 62 and the upper retaining ring 63.
Referring to fig. 5 and 6, the two ends of the protection mechanism 1 are provided with a limiting assembly 7 for limiting the cable, and the limiting assembly 7 includes a cylindrical socket 71, a plurality of sets of stop rods 72 mounted on the inner wall of the socket 71, and a stop 73 sleeved outside the cable,
the blocking rod 72 is in a shape of a zigzag, is surrounded into a funnel shape, and corresponds to a groove formed on the inner side of the block 73.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or processes in the figures are not necessarily required to practice this patent.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The disclosure is only for the concrete implementation of the patent, but the patent is not limited to the above, and any changes that can be made by those skilled in the art are intended to fall within the protection scope of the patent.
Claims (10)
1. A cable joint protection device for an electric power engineering is characterized by comprising a protection mechanism (1) arranged at the position of a cable joint and a fixing component (3) sleeved outside a cable, wherein a steel wire rope (4) is connected between the fixing component (3) and the protection mechanism (1),
the protection mechanism (1) comprises a base (11), a left side frame (12) and a right side frame (13) which are movably mounted on two sides of the base (11), wherein a plurality of groups of bolt rods (14) are arranged on one side, facing the left side frame (12), of the right side frame (13), threaded discs (15) which are in one-to-one correspondence with the bolt rods (14) are arranged on one side, facing the right side frame (13), of the left side frame (12), and the threaded discs (15) are in threaded connection with the bolt rods (14);
the fixed assemblies (3) are provided with two groups and are respectively connected with the left side frame (12) and the right side frame (13) through steel wire ropes (4), and a positioning assembly (5) used for fixing the moving range of the steel wire ropes (4) is sleeved between the two groups of steel wire ropes (4).
2. A power engineering cable splice protector as claimed in claim 1, wherein: two sets of fixed subassembly (3) cup joint with the cable at cable joint both ends respectively, and fixed subassembly (3) contain go-between (31) that are "Contraband" font and connect the elasticity bolt at go-between (31) both ends, and the one end movable mounting of elasticity bolt has the attacker (32) that drives its rotation, the one end of elasticity bolt is passed through the bearing and is connected with the one end of go-between (31), and the outer wall of elasticity bolt passes through threaded connection with the other end of go-between (31).
3. A power engineering cable splice protector as claimed in claim 1, wherein: the two sides of the left side frame (12) are provided with Contraband-shaped side edges which are movably inserted with flanges arranged on the two sides of the base (11).
4. A power engineering cable splice protector as claimed in claim 1, wherein: locating component (5) contain threading seat (51) that are "protruding" font and connect connecting plate (52) at threading seat (51) top, and the through-hole that is used for interlude wire rope (4) is all seted up at the both ends of threading seat (51).
5. A power engineering cable splice protection device according to claim 4, further comprising: the connecting plate (52) is connected with the top of the threading seat (51) through a bolt, and the threading seat (51) is I-shaped after being connected with the connecting plate (52).
6. A power engineering cable splice protector as claimed in claim 1, wherein: the outside cover of protection machanism (1) is equipped with coupling assembling (2) that are used for fixed side cable, and coupling assembling (2) contain and establish butt-joint plate (21) and upper ledge (22) in protection machanism (1) upper and lower both sides respectively to set up side pipe (23) that are used for grafting side cable in the outside of upper ledge (22).
7. A power engineering cable splice protection device according to claim 6, further comprising: wire outlet pipes corresponding to one ends of the side pipes (23) are arranged outside the left side frame (12) and the right side frame (13), and the inner walls of the wire outlet pipes are connected with sealing covers used for sealing the wire outlet pipes through threads.
8. A power engineering cable splice protector as claimed in claim 1, wherein: a plurality of groups of explosion-proof components (6) are inserted into the inner wall of the protection mechanism (1), the rear ends of the explosion-proof components (6) are communicated with a cavity arranged in the protection mechanism (1), and fire extinguishing agents are filled in the cavity,
explosion-proof subassembly (6) contain and are cylindric socket (61) and cover and establish lower fender ring (62) and last fender ring (63) of socket (61) outside, and go up and keep off ring (63) and pass through the outer wall connection of screw thread with socket (61), resilient pad (64) are installed at the top of socket (61) to broken line needle (65) that correspond from top to bottom with resilient pad (64) are installed in the bottom of socket (61).
9. A power engineering cable splice protector as claimed in claim 8, in which: the bottom of socket (61) has been seted up the via hole, and its via hole and cavity intercommunication, the inner wall of protection machanism (1) is located down and keeps off between ring (62) and the last ring (63).
10. A power engineering cable splice protector as claimed in claim 1, wherein: the two ends of the protection mechanism (1) are provided with limiting components (7) for limiting the cable, and each limiting component (7) comprises a cylindrical insertion tube (71), a plurality of groups of stop rods (72) arranged on the inner wall of the insertion tube (71) and a stop block (73) sleeved outside the cable,
the stop rod (72) is Z-shaped, is encircled into a funnel shape, and corresponds to a groove formed in the inner side of the stop block (73).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177849.2A CN113964781B (en) | 2021-10-09 | 2021-10-09 | Cable joint protection device for power engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177849.2A CN113964781B (en) | 2021-10-09 | 2021-10-09 | Cable joint protection device for power engineering |
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| CN113964781A true CN113964781A (en) | 2022-01-21 |
| CN113964781B CN113964781B (en) | 2023-05-23 |
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|---|---|
| CN113964781B (en) | 2023-05-23 |
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