CN114252968B

CN114252968B - Optical cable fixing device and laying method thereof

Info

Publication number: CN114252968B
Application number: CN202111604040.3A
Authority: CN
Inventors: 车贵武
Original assignee: Network Construction Communication Construction Co ltd
Current assignee: Network Construction Communication Construction Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2024-04-26
Anticipated expiration: 2041-12-24
Also published as: CN114252968A

Abstract

The application relates to an optical cable fixing device and a laying method thereof, which relate to the field of optical cable laying and comprise a plurality of laying brackets, a fixing seat and a mounting hoop, wherein the fixing seat is arranged on the laying brackets, a laying groove for accommodating an optical cable is arranged on the fixing seat, a mounting hole for inserting the optical cable into the laying groove is arranged on the side wall of the fixing seat, a flexible clamping assembly for clamping the optical cable is arranged on the hole wall of the mounting hole, and the mounting hoop is arranged on the optical cable through the mounting assembly. The application has the effect of avoiding the damage of the optical cable caused by friction between the wall of the installation hole and the wall of the laying groove due to wind blowing and shaking as much as possible, and prolongs the service life of the optical cable.

Description

Optical cable fixing device and laying method thereof

Technical Field

The application relates to the field of optical cable laying, in particular to an optical cable fixing device and a laying method thereof.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a protective covering as a transmission medium and may be used alone or in groups of communication cable assemblies.

At present, in the optical cable overhead laying process, an optical cable is generally erected in the air through a laying bracket, and a clamp for clamping the optical cable is arranged on the laying bracket so as to prevent the optical cable from falling.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because the optical cable erects when high altitude, is influenced by wind-force easily and takes place to rock, adopts the fixture to fix optical cable joint on laying the support, produces the friction easily between optical cable and the fixture, and then leads to the protective sheath of optical cable to take place wearing and tearing, leads to the inside optic fibre fracture of optical cable easily, has influenced the life of optical cable.

Disclosure of Invention

In order to solve the problem that the service life of the optical cable is affected due to the fact that the optical cable is easy to be damaged by friction with a clamp, the application provides an optical cable fixing device and a laying method thereof.

In a first aspect, the present application provides an optical cable fixing device, which adopts the following technical scheme:

The utility model provides an optical cable fixing device, includes a plurality of support that lays, still includes fixing base and installation hoop, the fixing base is used for setting up lay on the support, be equipped with on the fixing base and be used for holding the groove of laying of optical cable, the lateral wall of fixing base is equipped with the confession optical cable inserts the mounting hole in the groove of laying, the pore wall of mounting hole is equipped with and is used for pressing from both sides tightly the flexible clamping assembly of optical cable, the installation hoop passes through the installation assembly setting and is in on the optical cable.

Through adopting above-mentioned technical scheme, during the installation, pass the mounting hole with the optical cable and insert and lay the inslot, then utilize the installation component with installation hoop fixed mounting on the lateral wall of optical cable, reuse flexible clamping component centre gripping optical cable, the position that is located the mounting hole is fixed a position, so as to fix the optical cable in the fixing base steadily, and then when the optical cable rocks because of blowing, utilize flexible clamping component to prevent friction between the pore wall of optical cable and mounting hole, utilize the installation hoop to prevent to take place the friction between the cell wall of optical cable and laying the groove simultaneously, play the effect of protection to the optical cable, the life of optical cable has been prolonged.

In a specific implementation mode, the flexible clamping assembly comprises an air bag ring, the outer annular wall of the air bag ring is arranged on the wall of the mounting hole in an adhesive mode, the inner annular wall of the air bag ring faces to the side wall of the optical cable, the fixing seat is located on the side wall of the mounting hole and is provided with an air storage cylinder, the air storage cylinder is communicated with the air bag ring through an air pipe, and the air storage cylinder is provided with an air conveying part used for conveying an air source for the air pipe.

Through adopting above-mentioned technical scheme, utilize the air supply in the gas receiver to carry the gasbag intra-annular, and then the gasbag ring takes place to expand gradually, when the interior rampart of gasbag ring contacts with the lateral wall of optical cable, realized being located the location of mounting hole to the optic fibre, when the optical cable rocks because of the wind blows, play the cushioning effect through the gasbag ring to the rocking of optical cable, help reducing the shaking power of optical cable, prevent simultaneously that the lateral wall of optical cable from damaging with the pore wall friction of mounting hole, play the effect of protection to the optical cable.

In a specific implementation mode, the gas transmission piece comprises a piston, a driving rod and a driving handle, the piston is arranged in the gas storage cylinder in a sliding mode, the peripheral wall of the piston is attached to the inner cylinder wall of the gas storage cylinder, a through hole is formed in one side wall of the gas storage cylinder, one end of the driving rod penetrates through the through hole and is rotationally connected with the piston, the hole wall of the through hole is tightly attached to the side wall of the driving rod through a sealing ring pad, the other end of the driving rod is connected with the driving handle, a gas hole is formed in the side wall, away from the through hole, of the gas storage cylinder, and one end, away from the gas bag ring, of the gas pipe is fixed on the hole wall of the gas hole.

Through adopting above-mentioned technical scheme, personnel slide in to the gas receiver through actuating lever promotion actuating lever, and then the actuating lever drives the piston and slide in the gas receiver to send into the gasbag intra-annular with the air supply in the gas receiver through the trachea, in order to realize the air feed to the gasbag ring.

In a specific implementation manner, the mounting hoops comprise two semicircular hoops which are oppositely arranged, the inner annular walls of the two semicircular hoops face the side wall of the optical cable, the mounting assembly comprises semicircular magnets and semicircular magnetic pads, the outer arc walls of the semicircular magnets are arranged on the inner arc walls of the semicircular hoops, the inner arc walls of the semicircular magnetic pads are arranged on the outer wall of the optical cable in an adhesive manner, and the inner arc walls of the semicircular magnets are attached to the outer arc walls of the semicircular magnetic pads;

The cell wall of laying the groove and follow the radial of optical cable is equipped with the expansion tank, it is equipped with the supporting shoe to slide in the expansion tank, be equipped with in the expansion tank and be used for the drive the supporting shoe is in the expansion piece that slides in the expansion tank, two semicircle clamp's outer arc wall just follows the circumference of optical cable all is equipped with the support arc groove, the supporting shoe is kept away from the one end of expansion tank stretches into in the support arc groove, be equipped with the recess on the lateral wall of supporting shoe, be equipped with the guide shoe in the recess, the cell wall of support arc groove is equipped with the confession guide block male guide arc groove, the lateral wall of supporting shoe be equipped with be used for with the guide shoe inserts the driving piece in the guide arc groove.

Through adopting above-mentioned technical scheme, at first utilize driving piece drive guide block to insert the direction inslot, then utilize the radial slip of telescopic member drive supporting shoe along the optical cable, and then drive semicircle clamp to the lateral wall direction removal of optical cable through the supporting shoe, until semicircle magnet and semicircle magnetic pad adsorb the subsidence, realize the centre gripping fixed to the optical cable through two semicircle clamps, utilize the mutually supporting of semicircle magnet and semicircle magnetic pad simultaneously, with fixed connection between semicircle clamp and the optical cable, utilize the frictional force between supporting arc piece and the supporting arc groove simultaneously, keep the position of semicircle clamp stable, and then prop up the optical cable stable to establish in laying the inslot.

In a specific implementation manner, the telescopic piece comprises a screw rod, a threaded hole communicated with the telescopic groove is formed in the side wall of the fixed seat, one end of the screw rod penetrates through the threaded hole and stretches into the telescopic groove, one end of the screw rod located in the telescopic groove is in rotary connection with the side wall, away from the semicircular clamp, of the supporting block, and a handle is arranged at the other end of the screw rod.

Through adopting above-mentioned technical scheme, utilize the handle to rotate the screw rod, and then promote the supporting shoe through the screw rod and slide in flexible inslot, and then drive semicircle clamp through the supporting shoe and be close to or keep away from the optical cable to realize the centre gripping fixed to the optical cable.

In a specific implementation manner, the driving piece comprises a wedge block, a pull rod and a tight propping spring, wherein a driving groove for accommodating the wedge block is formed in the groove wall of the groove, the side wall of the wedge block located on the wedge surface of the wedge block is far away from the side wall of the guide arc groove and is connected with the side wall of the guide arc groove in a sliding mode, a sliding inclined surface matched with the wedge surface of the wedge block is arranged on the side wall of the guide block, an adjusting hole is formed in the side wall of the support block in the length direction of the side wall of the support block, one end of the pull rod far away from the wedge block penetrates through the adjusting hole and stretches out of the side wall of the support block, one end of the tight propping spring is far away from the side wall of the guide block, and the other end of the tight propping spring is connected with the groove wall of the driving groove.

By adopting the technical scheme, the wedge block is pushed by the pull rod to slide towards the direction of the guide block, and then the wedge block is pushed to be inserted into the guide ring groove, so that the connection between the support block and the semicircular clamp is realized; this mounting means, simple structure, convenient operation is through taking out the guide block in from the direction annular, is convenient for take out the supporting shoe in from the supporting annular, can change the semicircle clamp of different size specifications according to the diameter of optical cable, application scope is wide.

In a specific implementation manner, a deviation rectifying component for preventing the semicircular clamp from rotating is arranged in the laying groove, the deviation rectifying component comprises a reset air bag and an air storage bag, the groove walls of the laying groove, which are positioned on two sides of the mounting hoop, are respectively provided with a containing groove, a first fixing plate and a first moving plate are oppositely arranged on the groove walls of the containing groove, the first fixing plate is fixedly arranged on the groove walls of the containing groove, the first moving plate is in sliding connection with the groove walls of the containing groove, and the reset air bag is arranged between the first fixing plate and the opposite side walls of the first moving plate in an adhesive manner;

The groove wall of the accommodating groove is provided with a second fixed plate and a second movable plate relatively, the air storage bag is arranged between the second fixed plate and the opposite side wall of the second movable plate in an adhesive manner, the reset air bag and the air storage bag are mutually communicated through a branch pipe, the second fixed plate is fixedly arranged on the groove wall of the accommodating groove, the second movable plate is in sliding connection with the groove wall of the accommodating groove, and a reset piece for resetting the second movable plate is arranged in the accommodating groove;

The outer annular walls of the two semicircular hoops are respectively provided with a lug, the side walls of the lugs are movably connected with a supporting rod, one end of each supporting rod, which is far away from each lug, is movably connected with a connecting rod, and one end of each connecting rod, which is far away from each supporting rod, is connected with the side wall, which is far away from the second fixed plate, of the second movable plate.

Through adopting above-mentioned technical scheme, when the optical cable takes place to twist reverse because of the wind-force is too big, the optical cable drives semicircle clamp and rotates certain angle, along with the rotation of semicircle clamp, drive first movable plate through branch and connecting rod and remove to first fixed plate direction, and then first movable plate extrusion reset gasbag, make the air supply in the gasbag that resets get into the gas storage bag through the branch pipe in, the air supply in the gas storage bag increases gradually at this moment, and then the second movable plate slides to keeping away from the second fixed plate direction gradually, utilize reset piece drive second movable plate to reset this moment, and then the second movable plate extrusion gas storage bag, in sending into the gasbag that resets with the air supply in the gas storage bag through the branch pipe, and then reset the gasbag and reset and expand, so as to slide first movable plate to keeping away from first fixed plate direction, and then drive semicircle clamp gyration through connecting rod and branch, and reset, and then realized rectifying to the optical cable, avoid causing the inside optic fibre damage because of the optical cable takes place to twist, the life of cable has been prolonged.

In a specific implementation manner, the reset piece comprises an electromagnet, a permanent magnet and a reset spring, wherein the electromagnet is arranged on the side wall of the second fixed plate, which faces the second movable plate, the permanent magnet is arranged on the side wall of the second movable plate, which faces the permanent magnet, the reset spring is arranged on the side wall of the second movable plate, which is far away from the second fixed plate, and one end of the reset spring, which is far away from the second movable plate, is connected with the groove wall of the accommodating groove.

Through adopting above-mentioned technical scheme, when the second movable plate slides to keeping away from the second fixed plate direction, reset spring is compressed this moment, with the electro-magnet circular telegram, and then the electro-magnet produces magnetic field force, and then the permanent magnet drives the second movable plate and is close to first movable plate direction, and then the second movable plate sends into the gasbag that resets with the air supply in the air storage bag through the branch pipe, the gasbag inflation that resets makes first movable plate slide to keeping away from first fixed plate direction, until the back that first movable plate resets, outage with the electro-magnet, utilize reset spring's elasticity restoring force to make the second movable plate slide to keeping away from second fixed plate direction until reset this moment.

In a specific embodiment, the electromagnet is connected with a power control circuit, and the power control circuit comprises:

The laser ranging sensor is arranged on the side wall of the first fixed plate facing the first movable plate and outputs a distance sensing signal at the output end of the laser ranging sensor;

the comparison circuit is connected to the output end of the laser ranging sensor and compares the received distance sensing signal with the standard signal to output a control signal;

and the switching circuit is connected to the output end of the comparison circuit and used for controlling the on-off between the electromagnet and the power supply VCC1 according to a control signal.

By adopting the technical scheme, the distance sensing signal between the first movable plate and the first fixed plate is measured by the laser ranging sensor and is sent to the comparison circuit, when the distance value corresponding to the distance sensing signal is smaller than the distance value corresponding to the preset standard signal in the comparison circuit, the comparison circuit outputs a control signal related to connection between the electromagnet and the power supply VCC1, and then the switch circuit receives the control signal and is connected with the connection between the electromagnet and the power supply VCC1, so that automatic energization of the electromagnet is realized; on the contrary, when the distance value corresponding to the distance sensing signal is equal to or greater than the distance value corresponding to the standard signal, the switch circuit disconnects the electromagnet from the power supply VCC1, so as to realize automatic power-off of the electromagnet.

In a second aspect, the present application provides a method for laying an optical cable, which adopts the following technical scheme:

a method of laying said optical cable comprising the steps of:

Fixing seats are fixedly arranged on the plurality of laying brackets respectively;

laying a plurality of laying brackets at designated positions according to the laying path of the optical cable;

the optical cable passes through the mounting hole on the fixing seat so that the optical cable extends into the laying groove;

the installation assembly is utilized to fixedly install the installation hoops on the side walls of the optical cables, which are positioned in the laying groove, and the installation hoops are supported in the laying groove through the supporting blocks and the supporting ring grooves on the peripheral walls of the installation hoops;

and clamping and fixing the optical cable in the mounting hole by using a flexible clamping assembly.

Through adopting above-mentioned technical scheme, when the optical cable is rocked because of the wind blows, utilize flexible clamping assembly to the optical cable is located the fixed position of mounting hole, helps preventing produce the friction between the pore wall of optical cable and mounting hole, utilizes the installation hoop to prevent simultaneously the optical cable is located the lateral wall of laying the inslot and the cell wall contact of laying the groove, plays the effect of protection, adopts above-mentioned laying mode, avoids as far as possible the lateral wall of optical cable damages with the friction between the pore wall of mounting hole or the cell wall of laying the groove, has prolonged the life of optical cable.

In summary, the present application includes at least one of the following beneficial technical effects:

When the optical cable shakes due to wind blowing, friction between the optical cable and the wall of the mounting hole is prevented by the flexible clamping assembly, friction between the optical cable and the wall of the laying groove is prevented by the mounting hoops, the optical cable is protected, and the service life of the optical cable is prolonged;

the shaking of the optical cable is buffered through the air bag ring, so that shaking force of the optical cable is reduced, meanwhile, damage caused by friction between the side wall of the optical cable and the wall of the mounting hole is prevented, and the optical cable is protected;

through taking out the guide block from the direction annular, be convenient for take out the supporting shoe from the support annular in, can change the semicircle clamp of different size specifications according to the diameter of optical cable, application scope is wide.

Drawings

Fig. 1 is a schematic view of the whole structure of an optical cable fixing device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a positional relationship between an optical cable and a fixing base in an embodiment of the present application.

FIG. 3 is a schematic cross-sectional view of the A-A plane of FIG. 2.

FIG. 4 is a schematic cross-sectional view of the B-B plane of FIG. 2.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is an enlarged view at B in fig. 4.

FIG. 7 is a schematic cross-sectional view of the C-C plane of FIG. 2.

Fig. 8 is an enlarged view at C in fig. 7.

Fig. 9 is a schematic diagram of a power control circuit according to an embodiment of the application.

Reference numerals illustrate: 1. laying a bracket; 2. a fixing seat; 21. a drain hole; 3. a laying groove; 4. a mounting hole; 5. a flexible clamping assembly; 51. an air bag ring; 52. an air cylinder; 53. an air pipe; 54. a gas delivery member; 541. a piston; 542. a driving rod; 543. a drive handle; 544. a through hole; 545. a seal ring pad; 546. air holes; 6. installing a hoop; 61. semicircular clamp; 7. a mounting assembly; 71. a semicircular magnet; 72. a semicircular magnetic pad; 73. a telescopic slot; 74. a support block; 75. supporting the arc groove; 76. a groove; 77. a guide block; 78. a guide arc groove; 8. a telescoping member; 81. a screw; 82. a threaded hole; 83. a handle; 9. a driving member; 91. wedge blocks; 92. a pull rod; 93. a spring is abutted tightly; 94. a driving groove; 95. a sliding inclined plane; 96. a T-shaped block; 97. a T-shaped groove; 98. an adjustment aperture; 10. a deviation rectifying component; 101. resetting the air bag; 102. an air storage bag; 103. a receiving groove; 104. a first fixing plate; 105. a first moving plate; 106. a second fixing plate; 107. a second moving plate; 108. a branch pipe; 11. a lug; 12. a support rod; 13. a connecting rod; 14. a reset member; 141. an electromagnet; 142. a permanent magnet; 143. a return spring; 15. a power supply control circuit; 151. a laser ranging sensor; 152. a comparison circuit; 1521. a standard signal generating circuit; 153. a switching circuit; 16. an optical cable.

Detailed Description

The application is described in further detail below with reference to fig. 1-9.

The embodiment of the application discloses an optical cable fixing device. Referring to fig. 1, the optical cable fixing device includes a plurality of laying brackets 1, in this embodiment, the quantity that a plurality of laying brackets 1 can be 3, equal fixed mounting has fixing base 2 on 3 laying brackets 1, the length direction of fixing base 2 is unanimous with the laying direction of optical cable 16, the roof of fixing base 2 just is equipped with along self length direction to be used for holding the laying groove 3 of optical cable 16, the mounting hole 4 with laying groove 3 intercommunication has all been seted up to the both sides end wall of fixing base 2, the aperture of mounting hole 4 is greater than the diameter of optical cable 16, be convenient for pass mounting hole 4 with optical cable 16 and stretch into in the laying groove 3, in order to realize laying to optical cable 16.

Referring to fig. 1 and2, the hole wall of the mounting hole 4 is provided with a flexible clamping component 5 for clamping the optical cable 16, a mounting hoop 6 is arranged in the laying groove 3, the length direction of the mounting hoop 6 is the same as the length direction of the laying groove 3, the mounting hoop 6 is used for being sleeved on the side wall of the optical cable 16, and the inner annular wall of the mounting hoop 6 is fixedly connected with the outer side wall of the optical cable 16 through the mounting component 7.

When the optical cable 16 is laid, firstly, the optical cable 16 passes through the mounting hole 4 and is inserted into the laying groove 3, and then the position of the optical cable 16 in the mounting hole 4 is fixed by the flexible clamping assembly 5, so that friction between the optical cable 16 and the wall of the mounting hole 4 is prevented when the optical cable 16 shakes due to wind blowing, and a protection effect is achieved; and the installation assembly 7 is used for fixedly connecting the installation hoops 6 on the optical cable 16, so that the positioning of the optical cable 16 in the laying groove 3 and the isolation between the optical cable 16 and the groove wall of the laying groove 3 are realized, the friction between the optical cable 16 and the groove wall of the laying groove 3 caused by shaking of the optical cable 16 is avoided as much as possible, the protection effect on the optical cable 16 is further improved, and the service life of the optical cable 16 is prolonged.

Referring to fig. 2 and 3, the flexible clamping assembly 5 includes an air bag ring 51, an outer annular wall of the air bag ring 51 is adhesively disposed on a wall of the mounting hole 4, and an inner annular wall of the air bag ring 51 faces a side wall of the optical cable 16; in the embodiment, the fixing seat 2 is fixedly provided with the air cylinder 52 on the end wall of the mounting hole 4, the cross section of the air cylinder 52 is circular, the air cylinder 52 and the air bag ring 51 are communicated with each other through the air pipe 53, the air pipe 53 is positioned below the air cylinder 52, and the air cylinder 52 is provided with the air conveying piece 54 for conveying an air source for the air pipe 53; the air source in the air reservoir 52 is sent into the air bag ring 51 through the air pipe 53 by the air conveying piece 54, so that the air bag ring 51 is inflated, the inner annular wall of the air bag ring 51 is abutted against the outer side wall of the optical cable 16, the optical cable 16 is positioned in the mounting hole 4, when the optical cable 16 shakes, the optical cable 16 is flexibly supported by the air bag ring 51, the air bag ring 51 is prevented from being damaged due to friction with the hole wall of the mounting hole 4 and the side wall of the fixing seat 2 as much as possible, and the service life of the optical cable 16 is prolonged.

Referring to fig. 3, the air delivery member 54 includes a piston 541, a driving rod 542 and a driving handle 543, where the piston 541 is in a disc shape, the peripheral wall of the piston 541 is tightly attached to the inner cylinder wall of the air cylinder 52, the axial directions of the air cylinder 52 and the driving rod 542 are both in the same direction with the height direction of the fixing seat 2, the top wall of the air cylinder 52 is provided with a through hole 544, the bottom end of the driving rod 542 passes through the through hole 544 and is fixedly connected with the top wall of the piston 541, in this embodiment, the wall of the through hole 544 is adhesively provided with a sealing ring pad 545, the outer annular wall of the sealing ring pad 545 is adhesively and fixedly connected to the wall of the through hole 544, and the inner annular wall of the sealing ring pad 545 is tightly attached to the side wall of the driving rod 542; the sealing gasket 545 seals the gap between the side wall of the driving rod 542 and the wall of the through hole 544, so that the leakage of the air source in the air reservoir 52 through the gap between the side wall of the driving rod 542 and the wall of the through hole 544 is prevented; the top end of the driving rod 542 is fixedly connected with the driving handle 543, the driving handle 543 is positioned above the air cylinder 52, the bottom wall of the air cylinder 52 is provided with an air hole 546, and one end of the branch pipe 108 far away from the air bag ring 51 is fixed on the hole wall of the air hole 546.

When the piston 541 moves downwards, the piston 541 sends an air source in the air cylinder 52 into the air bag ring 51 through the air pipe 53, and then the air bag ring 51 is gradually expanded until the inner annular wall of the air bag ring 51 is tightly attached to the outer side wall of the optical cable 16, the personnel stops pushing the driving rod 542 to move downwards, and at the moment, the positions of the driving rod 542 and the piston 541 are kept stable by utilizing the friction force between the peripheral wall of the piston 541 and the side wall of the air cylinder 52 and the friction force between the sealing ring pad 545 and the side wall of the driving rod 542, so that the air source in the air bag ring 51 is kept stable, and the inner annular wall of the air bag ring 51 is tightly attached to the outer side wall of the optical cable 16; the gas transmission mode has the advantages of simple structure and convenient operation, and improves the laying efficiency of the optical cable 16.

Referring to fig. 2 and 4, the mounting collar 6 includes two oppositely disposed semicircular clips 61, and outer arc walls of the two semicircular clips 61 are each provided with a supporting arc groove 75 along the own arc direction, and inner annular walls of the two semicircular clips 61 are each directed toward the outer side wall of the optical cable 16.

In this embodiment, the two sets of mounting assemblies 7 are respectively corresponding to the two semicircular hoops 61 one by one, wherein one set of mounting assemblies 7 comprises a semicircular magnet 71 and a semicircular magnetic pad 72, the outer arc wall of the semicircular magnet 71 is fixedly mounted on the inner arc wall of the semicircular hoops 61, the inner arc wall of the semicircular magnetic pad 72 is adhesively arranged on the outer wall of the optical cable 16, and the inner arc wall of the semicircular magnet 71 is magnetically adsorbed and tightly attached to the outer arc wall of the semicircular magnetic pad 72; through the mounting means that semicircle magnet 71 and semicircle magnetic pad 72 constitute, simple structure, convenient operation, and then when optical cable 16 twists reverse in certain angle range because of the blowing, the installation clamp can be along with optical cable 16 synchronous motion to the installation clamp plays the guard action to the lateral wall that optical cable 16 is located laying the inslot 3.

Referring to fig. 4 and 5, in order to enhance the stability of the semicircular clip 61 fixed on the optical cable 16, the groove walls of the two sides of the optical cable 16 where the laying groove 3 is located are respectively provided with a telescopic groove 73, the length direction of the telescopic groove 73 is the same as the radial direction of the optical cable 16, one end of the supporting block 74 extends into the telescopic groove 73, the telescopic groove 73 is internally provided with a telescopic piece 8 for driving the supporting block 74 to slide along the length direction of the telescopic groove 73, the side wall of the supporting block 74 is provided with a groove 76, the groove 76 is internally provided with a guide block 77 in a sliding manner, the groove wall of one side of the supporting arc groove 75 adjacent to the groove opening thereof is provided with a guide arc groove 78 along the arc direction of the semicircular clip 61, the guide arc groove 78 is used for inserting the guide block 77, and the side wall of the supporting block 74 is provided with a driving piece 9 for inserting the guide block 77 into the guide arc groove 78;

Firstly, a guide block 77 is inserted into a guide arc groove 78 by using a driving piece 9, the position of a support block 74 in the support arc groove 75 is limited by using the guide block 77, and then when the support block 74 is driven to slide in the telescopic groove 73 by using a telescopic piece 8, the support block 74 drives a semicircular clamp 61 to synchronously move by the cooperation of the guide block 77 and the guide arc groove 78 so as to drive the two semicircular clamps 61 to be close to each other, so that the clamping and fixing of an optical cable 16 are realized; in addition, the arc direction of the guide arc groove 78 is set to be the same as the arc direction of the semicircular clamp 61, when the semicircular clamp 61 rotates, the supporting block 74 slides in the support arc groove 75, and then the supporting block 74 drives the guide block 77 to slide in the guide arc groove 78, so that the semicircular clamp 61 can rotate.

Referring to fig. 5 and 6, the telescopic member 8 comprises a screw 81 driven in the same direction as the radial direction of the optical cable 16, a threaded hole 82 communicated with the telescopic slot 73 is formed in the side wall of the fixed seat 2, the screw 81 is in threaded connection with the hole wall of the threaded hole 82, one end of the screw 81 passes through the threaded hole 82 and is in rotary connection with the side wall of the supporting block 74 far away from the semicircular clamp 61, and a handle 83 is arranged at the other end of the screw 81; the personnel rotate the screw rod 81 through the handle 83, and as the screw rod 81 is in threaded connection with the hole wall of the threaded hole 82 and the screw rod 81 is in rotational connection with the supporting block 74, the screw rod 81 pushes the supporting block 74 to slide in the telescopic slot 73 along with the rotation of the screw rod 81, and the semicircular clamp 61 is driven to slide along the radial direction of the optical cable 16 through the supporting block 74; this telescopic manner, convenient operation, it is convenient to carry out the centre gripping fixed to optical cable 16 through two semicircle clamps 61 to slide along the radial of optical cable 16 through driving two semicircle clamps 61.

Referring to fig. 5, the driving element 9 includes a wedge 91, a pull rod 92 and a tightening spring 93, in this embodiment, the length direction of the groove 76 is in the same direction as the axial direction of the optical cable 16, a driving groove 94 in the same direction as the radial direction of the optical cable 16 is provided on a groove wall of one side of the groove 76, the wedge 91 is slidably disposed in the driving groove 94, the length direction of the wedge 91 is in the same direction as the radial direction of the optical box, the side wall of the wedge 91 located on the wedge surface is slidably connected with the side wall of the guide block 77 away from the guide arc groove 78, the side wall of the guide block 77 is provided with a sliding inclined surface 95 slidably engaged with the wedge surface of the wedge 91, the side wall of the wedge surface of the wedge 91 is provided with a T-shaped groove 97, the side wall of the guide block 77 located on the sliding inclined surface 95 is provided with a T-shaped block 96 slidably moved in the T-shaped groove 97, and the sliding connection between the guide blocks 77 and 91 is realized by the cooperation of the T-shaped block 96 and the T-shaped groove 97;

In this embodiment, the pull rod 92 is disposed on a side wall of the wedge block 91, the side wall of the supporting block 74 is provided with an adjusting hole 98 along its length direction, the adjusting hole 98 is disposed on a side wall of the supporting block 74 located outside the supporting arc groove 75, one end of the pull rod 92 away from the wedge block 91 passes through the adjusting hole 98 and extends out of the side wall of the supporting block 74, one end of the abutting spring 93 is connected with a side wall of the wedge block 91 away from the guide block 77, and the other end of the abutting spring 93 is connected with a wall of the driving groove 94 away from the groove 76;

When the pull rod 92 is pulled to slide in the adjusting hole 98, the pull rod 92 drives the wedge block 91 to slide in the driving groove 94, when the wedge block 91 is pushed to slide in the direction close to the guide block 77, the wedge block 91 pushes the guide block 77 to slide in the guide arc groove 78, the guide block 77 is inserted into the guide arc groove 78, and meanwhile, a force for sliding in the direction of the guide block 77 is provided for the wedge block 91 by the abutting spring 93 so as to keep the position of the wedge block 91 stable, and then the guide block 77 is stably inserted into the guide arc groove 78, so that the limit of the support block 74 in the support arc groove 75 is realized;

When pushing wedge block 91 to keep away from guide block 77 direction when sliding through pull rod 92, support tight spring 93 is compressed this moment, and then wedge block 91 drives guide block 77 to keep away from guide arc groove 78 direction and slide to take out guide block 77 from guide arc groove 78, conveniently take out support block 74 from support arc groove 75, be convenient for change semicircle clamp 61 of different size specifications, in order to realize the centre gripping fixed to the optical cable 16 of different diameter sizes, application scope is wide.

Referring to fig. 7 and 8, considering that when the optical cable 16 is twisted by blowing and shaking, the optical cable 16 drives the semicircular hoops 61 to rotate synchronously, in order to reduce the probability of damage to the optical cable 16 caused by shaking and twisting of the optical cable 16, the laying groove 3 is internally provided with a deviation rectifying assembly 10 for preventing the semicircular hoops 61 from rotating, two groove walls adjacent to the groove opening of the laying groove 3 are respectively provided with a containing groove 103, the two containing grooves 103 are respectively in one-to-one correspondence with the two semicircular hoops 61, the deviation rectifying assembly 10 is provided with two groups, and the two groups of deviation rectifying assemblies 10 are respectively in one-to-one correspondence with the two semicircular hoops 61.

The one group of deviation correcting assemblies 10 comprises a reset air bag 101 and an air storage bag 102, wherein the groove wall of a containing groove 103 is provided with a first fixed plate 104 and a first moving plate 105 relatively, the first fixed plate 104 is fixedly arranged on the groove wall of the containing groove 103, the first moving plate 105 is connected on the groove wall of the containing groove 103 in a sliding manner, the first moving plate 105 is arranged on one side close to the groove opening of the containing groove 103, and the reset air bag 101 is connected between the first fixed plate 104 and the opposite side wall of the first moving plate 105 in an adhesive manner;

The cell wall of holding tank 103 and lie in one side that first fixed plate 104 kept away from first movable plate 105 and be equipped with second movable plate 107 and second fixed plate 106 relatively, second fixed plate 106 sets up in the one side that is close to first fixed plate 104, second movable plate 107 sets up in one side that second fixed plate 106 kept away from first fixed plate 104, slide between the cell wall of holding tank 103 and the second movable plate 107 and be connected, the glued setting of gas storage bag 102 is between the opposite lateral wall of second fixed plate 106 and second movable plate 107, communicate each other through branch pipe 108 between gas storage bag 102 and the reset gasbag 101, the lateral wall of first fixed plate 104 and second fixed plate 106 all is equipped with the connecting hole that supplies branch pipe 108 to pass.

In this embodiment, the outer annular wall of the semicircular clip 61 is fixedly provided with a lug 11, a supporting rod 12 which is obliquely arranged is hinged on the side wall of the lug 11, one end of the supporting rod 12 away from the lug 11 is hinged with a connecting rod 13, the axial direction of the connecting rod 13 is in the same direction as the length direction of the accommodating groove 103, and one end of the connecting rod 13 away from the supporting rod 12 is fixedly connected with the side wall of the second moving plate 107 away from the second fixed plate 106; because the first movable plate 105 is connected with the groove wall of the accommodating groove 103 in a sliding manner, when the semicircular clamp 61 rotates, the semicircular clamp 61 drives the connecting rod 13 to slide along the axial direction of the semicircular clamp through the supporting rod 12, and then the connecting rod 13 pushes the first movable plate 105 to move towards the first fixed plate 104, at this time, the first movable plate 105 extrudes the reset air bag 101, and then an air source in the reset air bag 101 enters the air storage bag 102 through the branch pipe 108, at this time, the air storage bag 102 is gradually expanded, and then the second movable plate 107 gradually slides towards a direction far away from the second fixed plate 106.

In this embodiment, in order to realize the resetting of the semicircular clamp 61, the reset piece 14 for resetting the second moving plate 107 is disposed in the accommodating groove 103, the second moving plate 107 is reset by using the reset piece 14, and then the second moving plate 107 slides towards the second fixed plate 106, so that the second moving plate 107 extrudes the air storage bag 102, one end in the air storage bag 102 is sent into the reset air bag 101 through the branch pipe 108, so that the reset air bag 101 is inflated, so that the first moving plate 105 slides towards the direction away from the first fixed plate 104, at this time, the first moving plate 105 drives the semicircular clamp 61 to reset by the connecting rod 13 and the supporting rod 12 along with the movement of the first moving plate 105, thereby realizing the resetting of the optical cable 16, and reducing the probability of damage caused by torsion of the optical cable 16.

Referring to fig. 8, the restoring member 14 includes an electromagnet 141, a permanent magnet 142, and a restoring spring 143, the electromagnet 141 is fixedly mounted on a side wall of the second fixed plate 106 facing the second moving plate 107, the permanent magnet 142 is fixedly mounted on a side wall of the second moving plate 107 facing the second fixed plate 106, the electromagnet 141 and the permanent magnet 142 are disposed opposite to each other, one end of the restoring spring 143 is connected to a groove wall of the accommodating groove 103 opposite to a groove opening thereof, the other end of the restoring spring 143 is connected to a side wall of the second moving plate 107 facing away from the second fixed plate 106, and a space between the second moving plate 107 and the second fixed plate 106 is kept stable by the restoring spring 143; when the gas storage bag 102 is inflated, the electromagnet 141 is electrified, the electromagnet 141 generates an electromagnetic field, the permanent magnet 142 gradually slides towards the direction close to the electromagnet 141, the second moving plate 107 slides towards the second fixed direction, the reset spring 143 is stretched at the moment, and the gas storage bag 102 is extruded by the second moving plate 107, so that the gas source in the gas storage bag 102 is fed into the reset air bag 101 through the branch pipe 108, and the reset of the first moving plate 105 is realized;

In the moving process of the first moving plate 105, the distance between the first moving plate 105 and the first fixed plate 104 is detected in real time by using the laser ranging sensor 151, and when the distance value between the first moving plate 105 and the first fixed plate 104 reaches a preset distance value, that is, after the first moving plate 105 is reset, the electromagnet 141 is powered off, and at the moment, the second moving plate 107 is reset by using the elastic reset force of the reset spring 143.

Referring to fig. 8 and 9, the electromagnet 141 is connected with a power control electric control, and the power control circuit 15 includes:

The laser ranging sensor 151 is disposed on a side wall of the first fixed plate 104 facing the first moving plate 105, and outputs a distance sensing signal at an output end thereof;

The comparison circuit 152 is connected to the output end of the laser ranging sensor 151, and compares the received distance sensing signal with the standard signal to output a control signal;

the switch circuit 153 is connected to the output end of the comparison circuit 152, and is used for controlling the on-off between the electromagnet 141 and the power VCC1 according to the control signal.

Specifically, the laser ranging sensor 151 sends the detected distance sensing signal between the first moving plate 105 and the first fixed plate 104 to the comparison circuit 152, a standard signal is preset in the comparison circuit 152, when the distance value corresponding to the distance sensing signal is smaller than the distance value corresponding to the standard signal, the comparison circuit 152 outputs a switch signal related to switching on the connection between the electromagnet 141 and the power VCC1, and the switch circuit 153 receives the switch signal and switches on the connection between the electromagnet 141 and the power VCC1, so as to realize automatic energization of the electromagnet 141; conversely, when the distance value corresponding to the distance sensing signal is equal to or greater than the distance value corresponding to the standard signal, the switch circuit 153 disconnects the electromagnet 141 from the power VCC1 to automatically power off the electromagnet 141.

Referring to fig. 9, the comparison circuit 152 includes:

The standard signal generating circuit 1521 includes a resistor R1 and a resistor R2, wherein one end of the resistor R1 is connected to the power VCC2, the other end of the resistor R1 is connected to one end of the resistor R2, the other end of the resistor R2 is grounded, and a standard signal is generated between the resistor R1 and the resistor R2;

The comparator A has an in-phase input end, an anti-phase input end and an output end, wherein the in-phase input end is connected with the output end of the laser ranging sensor 151, the anti-phase input end is connected between the resistor R1 and the resistor R2, and the output end outputs a control signal.

The switch circuit 153 includes an NPN triode Q1 having an emitter grounded, a base connected to the output of the comparator a through a resistor R3 and commonly grounded to the emitter through a resistor R4;

A normally open relay KM1, a first end of a coil of which is connected to a power supply VCC3, a second end of the coil of which is connected to a collector of an NPN triode Q1, and a normally open contact switch S1 of which is connected in series between an electromagnet 141 (6) and the power supply VCC 1;

and the cathode of the diode D1 is connected with the first end of the coil of the normally open relay KM1, and the anode of the diode D1 is connected with the second end of the coil of the normally open relay KM 1.

Specifically, when the voltage value corresponding to the distance value between the first moving plate 105 and the first fixed plate 104 detected by the laser ranging sensor is smaller than the standard voltage value of the comparator a, the output end of the comparator a outputs a high-level signal, at this time, the NPN transistor Q1 is turned on, the coil of the normally open relay KM1 is powered on, the normally open contact switch S1 of the normally open relay KM1 is closed, and further, the electrical connection between the electromagnet 141 and the power supply VCC1 is realized, so that the electromagnet 141 is automatically electrified; otherwise, in the same way, the normally open contact switch S1 of the normally open relay KM1 is opened, so that the connection between the electromagnet 141 and the power source VCC1 is cut off, and automatic power-off of the electromagnet 141 is realized.

The implementation principle of the optical cable fixing device provided by the embodiment of the application is as follows: when the optical cable 16 is installed, the optical cable 16 passes through the installation hole 4 and is inserted into the laying groove 3, a person rotates the screw rod 81, the support block 74 is driven to move towards the optical cable 16 by the screw rod 81, and the support block 74 drives the semicircular clamp 61 to move towards the side wall of the optical cable 16; and the other screw rod 81 is rotated, the other semicircular clamp 61 is moved towards the optical cable 16 through the other screw rod 81 and the other supporting block 74 until the inner arc walls of the semicircular magnets 71 on the two semicircular clamp 61 are tightly attached to the outer arc walls of the semicircular magnetic pads 72 on the side wall of the optical cable 16, the semicircular clamp 61 is fixedly arranged on the optical cable 16, and further the optical cable 16 is clamped through the two semicircular clamp 61, so that the position of the optical cable 16 in the laying groove 3 is positioned.

Then, the operator pushes the driving rod 542 to move downwards through the driving handle 543, so that the driving rod 542 pushes the piston 541 to move downwards, and along with the downward movement of the piston 541, the piston 541 sends the air source in the air cylinder 52 into the air bag ring 51 through the branch pipe 108, and the air bag ring 51 is gradually expanded until the inner annular wall of the air bag ring 51 is attached to the outer wall of the optical cable 16, and the optical cable 16 is positioned in the mounting hole 4.

When the optical cable 16 shakes due to wind blowing, the optical cable 16 is flexibly supported by the air bag ring 51, the shaking of the optical cable 16 by the air bag ring 51 plays a role in buffering, friction damage between the optical cable 16 and the wall of the mounting hole 4 due to wind blowing shaking is avoided as much as possible, friction between the optical cable 16 and the wall of the laying groove 3 is prevented by the mounting hoop 6, a protection effect is achieved, and the service life of the optical cable 16 is prolonged.

The embodiment of the application also discloses an optical cable laying method, which comprises the following steps:

Fixing seats 2 are fixedly arranged on a plurality of laying brackets 1 respectively;

Laying a plurality of laying brackets 1 at specified positions according to the laying path of the optical cable 16;

The optical cable 16 is passed through the mounting hole 4 on the fixing base 2 so that the optical cable 16 extends into the laying groove 3 to realize positioning of the optical cable 16.

The installation hoops 6 are fixedly installed on the side walls of the optical cables 16 in the laying grooves 3 by using the installation assemblies 7, the installation hoops 6 are supported in the laying grooves 3 by the supporting blocks 74 and the supporting arc grooves 75 on the peripheral walls of the installation hoops 6, and the positions of the optical cables 16 in the laying grooves 3 are protected by the installation hoops 6;

The optical cable 16 is clamped and fixed in the mounting hole 4 by the flexible clamping assembly 5, so that friction damage between the optical cable 16 and the wall of the mounting hole 4 due to wind blowing and shaking is avoided as much as possible, and the service life of the optical cable 16 is prolonged.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. Optical cable fixing device, including a plurality of laying support (1), its characterized in that: the optical cable laying device is characterized by further comprising a fixing seat (2) and a mounting hoop (6), wherein the fixing seat (2) is used for being arranged on the laying support (1), a laying groove (3) for accommodating the optical cable (16) is formed in the fixing seat (2), a mounting hole (4) for inserting the optical cable (16) into the laying groove (3) is formed in the side wall of the fixing seat (2), a flexible clamping assembly (5) for clamping the optical cable (16) is formed in the hole wall of the mounting hole (4), and the mounting hoop (6) is arranged on the optical cable (16) through the mounting assembly (7);

The installation hoop (6) comprises two semicircular hoops (61) which are oppositely arranged, the inner annular walls of the two semicircular hoops (61) face the side wall of the optical cable (16), the installation assembly (7) comprises semicircular magnets (71) and semicircular magnetic pads (72), the outer arc walls of the semicircular magnets (71) are arranged on the inner arc walls of the semicircular hoops (61), the inner arc walls of the semicircular magnetic pads (72) are adhered to the outer wall of the optical cable (16), and the inner arc walls of the semicircular magnets (71) are attached to the outer arc walls of the semicircular magnetic pads (72);

The cable laying device comprises a laying groove (3), wherein a telescopic groove (73) is formed in the groove wall of the laying groove (3) along the radial direction of an optical cable (16), a supporting block (74) is slidably arranged in the telescopic groove (73), telescopic pieces (8) used for driving the supporting block (74) to slide in the telescopic groove (73) are arranged in the telescopic groove (73), supporting arc grooves (75) are formed in the outer arc walls of the two semicircular hoops (61) and along the circumferential direction of the optical cable (16), one end, far away from the telescopic groove (73), of the supporting block (74) stretches into the supporting arc grooves (75), a groove (76) is formed in the side wall of the supporting block (74), a guide block (77) is arranged in the groove (76), a guide arc groove (78) used for allowing the guide block (77) to be inserted into the guide arc groove (78) is formed in the groove wall of the supporting block (74), and a driving piece (9) used for inserting the guide block (77) into the guide arc groove (78) is formed in the side wall of the supporting block (74).

The telescopic piece (8) comprises a screw rod (81), a threaded hole (82) communicated with the telescopic groove (73) is formed in the side wall of the fixed seat (2), one end of the screw rod (81) penetrates through the threaded hole (82) and stretches into the telescopic groove (73), one end of the screw rod (81) located in the telescopic groove (73) is rotatably connected with the side wall, away from the semicircular clamp (61), of the supporting block (74), and a handle (83) is arranged at the other end of the screw rod (81);

The utility model provides a drive piece (9) including voussoir (91), pull rod (92) and support tight spring (93), the cell wall of recess (76) is equipped with and is used for holding drive groove (94) of voussoir (91), voussoir (91) are located its side wall of wedge with guide block (77) are kept away from the lateral wall of direction arc groove (78) is slided and is connected, the lateral wall of guide block (77) be equipped with wedge matched with of voussoir (91) slide inclined plane (95), pull rod (92) set up on the lateral wall of voussoir (91), the lateral wall of supporting shoe (74) just is equipped with regulation hole (98) along self length direction, pull rod (92) are kept away from the one end of voussoir (91) is passed regulation hole (98) and is stretched out outside the lateral wall of supporting shoe (74), the one end of support tight spring (93) with voussoir (91) are kept away from the lateral wall of guide block (77) links to each other, the other of support tight spring (93) the other with cell wall of drive groove (94).

2. The fiber optic cable securing device according to claim 1, wherein: the flexible clamping assembly (5) comprises an air bag ring (51), the outer annular wall of the air bag ring (51) is arranged on the hole wall of the mounting hole (4) in an adhesive mode, the inner annular wall of the air bag ring (51) faces the side wall of the optical cable (16), the fixing seat (2) is located on the side wall of the mounting hole (4) and is provided with an air storage cylinder (52), the air storage cylinder (52) and the air bag ring (51) are mutually communicated through an air pipe (53), and an air conveying piece (54) used for conveying an air source for the air pipe (53) is arranged on the air storage cylinder (52).

3. The fiber optic cable securing device according to claim 2, wherein: the gas transmission piece (54) comprises a piston (541), a driving rod (542) and a driving handle (543), the piston (541) is slidably arranged in the gas storage cylinder (52), the peripheral wall of the piston (541) is attached to the inner cylinder wall of the gas storage cylinder (52), a through hole (544) is formed in one side wall of the gas storage cylinder (52), one end of the driving rod (542) penetrates through the through hole (544) and is rotationally connected with the piston (541), the hole wall of the through hole (544) is tightly attached to the side wall of the driving rod (542) through a sealing ring pad (545), the other end of the driving rod (542) is connected with the driving handle (543), the side wall, away from the through hole (544), of the gas storage cylinder (52) is provided with a gas hole (546), and one end, away from the gas pipe (53), of the gas pipe (53) is fixed on the hole wall of the gas hole (546).

4. The fiber optic cable securing device according to claim 1, wherein: the device is characterized in that a deviation rectifying assembly (10) used for preventing the semicircular clamp (61) from rotating is arranged in the laying groove (3), the deviation rectifying assembly (10) comprises a reset air bag (101) and an air storage bag (102), the laying groove (3) is arranged on the groove walls on two sides of the mounting hoop (6) respectively, a first fixing plate (104) and a first moving plate (105) are oppositely arranged on the groove walls of the accommodating groove (103), the first fixing plate (104) is fixedly arranged on the groove walls of the accommodating groove (103), the first moving plate (105) is connected with the groove walls of the accommodating groove (103) in a sliding mode, and the reset air bag (101) is arranged between the first fixing plate (104) and the opposite side walls of the first moving plate (105) in an adhesive mode;

The groove wall of the accommodating groove (103) is provided with a second fixed plate (106) and a second movable plate (107) relatively, the gas storage bag (102) is arranged between the second fixed plate (106) and the opposite side wall of the second movable plate (107) in an adhesive manner, the reset gas bag (101) and the gas storage bag (102) are communicated with each other through a branch pipe (108), the second fixed plate (106) is fixedly arranged on the groove wall of the accommodating groove (103), the second movable plate (107) is connected with the groove wall of the accommodating groove (103) in a sliding manner, and a reset piece (14) for resetting the second movable plate (107) is arranged in the accommodating groove (103);

two the outer annular wall of semicircle clamp (61) all is equipped with lug (11), swing joint has branch (12) on the lateral wall of lug (11), branch (12) are kept away from the one end swing joint of lug (11) has connecting rod (13), the one end that branch (12) was kept away from to connecting rod (13) with second movable plate (107) are kept away from the lateral wall of second fixed plate (106) links to each other.

5. The fiber optic cable fixing device according to claim 4, wherein: the reset piece (14) comprises an electromagnet (141), a permanent magnet (142) and a reset spring (143), wherein the electromagnet (141) is arranged on the second fixed plate (106) towards the side wall of the second movable plate (107), the permanent magnet (142) is arranged on the second movable plate (107) opposite to the side wall of the permanent magnet (142), the reset spring (143) is arranged on the second movable plate (107) away from the side wall of the second fixed plate (106), and one end of the reset spring (143) away from the second movable plate (107) is connected with the groove wall of the accommodating groove (103).

6. The fiber optic cable fixing device according to claim 5, wherein: the electromagnet (141) is connected with a power supply control circuit (15), and the power supply control circuit (15) comprises:

The laser ranging sensor (151) is arranged on the side wall of the first fixed plate (104) facing the first moving plate (105) and outputs a distance sensing signal at the output end of the laser ranging sensor;

the comparison circuit (152) is connected to the output end of the laser ranging sensor (151) and compares the received distance sensing signal with a standard signal to output a control signal;

and the switch circuit (153) is connected to the output end of the comparison circuit (152) and is used for controlling the on-off between the electromagnet (141) and the power supply VCC1 according to a control signal.

7. A method of installing the cable fixture device of claim 1, wherein:

fixing seats (2) are respectively and fixedly arranged on a plurality of laying brackets (1);

according to the laying path of the optical cable (16), laying a plurality of laying brackets (1) at specified positions;

The optical cable (16) passes through the mounting hole (4) on the fixing seat (2) so that the optical cable (16) stretches into the laying groove (3);

the installation assembly (7) is utilized to fixedly install the installation hoops (6) on the side walls of the optical cables (16) which are positioned in the laying groove (3), and the installation hoops (6) are supported in the laying groove (3) through the supporting blocks (74) and the supporting ring grooves on the peripheral walls of the installation hoops (6);

The optical cable (16) is clamped and fixed in the mounting hole (4) by using the flexible clamping component (5).