CN114655796B - Communication cable mounting bracket for tunnel - Google Patents
Communication cable mounting bracket for tunnel Download PDFInfo
- Publication number
- CN114655796B CN114655796B CN202210516118.4A CN202210516118A CN114655796B CN 114655796 B CN114655796 B CN 114655796B CN 202210516118 A CN202210516118 A CN 202210516118A CN 114655796 B CN114655796 B CN 114655796B
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- Prior art keywords
- cable
- fixedly connected
- groove
- annular
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/48—Automatic re-storing devices
- B65H75/486—Arrangements or adaptations of the spring motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4457—Arrangements of the frame or housing
- B65H75/446—Arrangements of the frame or housing for releasably or permanently attaching the frame to a wall, on a floor or on a post or the like
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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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/08—Installations of electric cables or lines in or on the ground or water in tunnels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention relates to a communication cable mounting rack for a tunnel. Comprises a cable box; the bottom surface and the front end surface of the cable box are jointly provided with a mounting groove; a shell is inserted in the mounting groove; the front end surface of the mounting groove is provided with a threaded hole; the shell is provided with a first through hole at a position corresponding to the threaded hole; two end faces of the cable box are fixedly connected with annular clamping seats; the end face, far away from the cable box, of the annular clamping seat is provided with a second through hole; two sides of the annular clamping seat are connected with symmetrically arranged supporting rods; the inner wall of the cable box is fixedly connected with an upright post; the surface of the upright post is fixedly connected with a coil spring; one end of the coil spring is fixedly connected with the surface of the upright post; the other end of wind spring has linked firmly the drag hook, through with the cable winding on the wind spring surface, can lengthen the cable when taking place massif cunning and mud-rock flow for the cable can not be pressed apart the cable by rubble and the earth that the tunnel portal dropped, and leads to communication terminal and loss of property.
Description
Technical Field
The invention belongs to the technical field of tunnel cables, in particular to a communication cable mounting rack for a tunnel.
Background
With the continuous improvement of the infrastructure of China, tunnel establishment is more and more common, so that a plurality of communication cables need to pass through the tunnel, and the installation and protection of the communication cables in the tunnel face a plurality of problems.
Some solutions are proposed in the prior art, for example, a chinese patent with publication number CN113562537B discloses a communication cable mounting rack for a tunnel, which includes a housing, wherein a first cavity is arranged in the housing; the cable winder can drive the mounting frame to rotate through the starting of the motor, and meanwhile, the cable winder can move leftwards on the mounting frame, so that a cable can be tightly attached, the space utilization during winding is more efficient, the cable winder can move rightwards when the first circle is wound, the cable is folded in a second circle, the cable is efficiently recovered on the mounting frame, the second mounting frame can be quickly taken down through the quick mounting plate, the operations such as dismounting, replacing and the like are convenient, the cleaning block descends when the cable is wound, the ash removal treatment is carried out on the cable on the first mounting frame, and when smoke is detected after a fire disaster, dry powder is sprayed on the cable at the first time, so that the cable can be put out a fire through dry powder at the first time, and the problem that the cable is more dangerous after encountering the fire is avoided.
In the prior art, only the situation that the cable encounters fire in the tunnel is considered, but natural disasters such as landslide or debris flow and the like easily occur at the tunnel mouth are not considered, and the communication electric cable can be broken due to the extrusion of broken stones and soil, so that communication interruption and economic loss are caused.
Therefore, the invention provides a communication cable mounting rack for a tunnel.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: a communication cable mounting rack for a tunnel comprises a cable box; the bottom surface and the front end surface of the cable box are jointly provided with a mounting groove; a shell is inserted in the mounting groove; the front end surface of the mounting groove is provided with a threaded hole; the shell is provided with a first through hole at a position corresponding to the threaded hole; two end faces of the cable box are fixedly connected with annular clamping seats; the end face, far away from the cable box, of the annular clamping seat is provided with a second through hole; two sides of the annular clamping seat are connected with symmetrically arranged supporting rods; the top surface of the supporting rod is provided with a mounting hole; the inner wall of the cable box is fixedly connected with an upright post; the surface of the upright post is fixedly connected with a coil spring; one end of the coil spring is fixedly connected with the surface of the upright post; the other end of the coil spring is fixedly connected with a drag hook; when the tunnel entrance landslide and debris flow occur, a large amount of broken stones and soil are accumulated at the tunnel entrance, so that the cable capable of being fixed with the tunnel entrance is broken through pressing, the cable sequentially penetrates through the first through holes in the surfaces of the two annular clamping seats by workers, the middle part of the penetrating cable is folded in half, the drag hook is hooked at the folded part of the cable, a part of the folded cable is wound on the outer surface of the coil spring, the shell is inserted into the mounting groove, the screw penetrates through the first through hole and then is screwed into the threaded hole, the shell is fixed on the cable box, the cable box is fixed on the top of the tunnel entrance through the mounting hole in the supporting rod, when the landslide and the debris flow occur, the broken stones and the soil are pressed on the cable, the cable is pressed by downward pressure, the cable wound in the cable box is pulled out and is contracted, and when the broken stones and the cable pressed on the cable are suddenly cleaned, the cable is not pressed by the pressure, the coil spring is recovered from the contracted state, the drag hook is pulled, and the drag hook is pulled; the cable is retracted and wound on the surface of the coil spring again, so that the cable can be lengthened when debris flow and landslide occur, the cable is prevented from being broken by broken stones or soil, the communication terminal and economic loss caused by broken cable are avoided, the cable is protected, and the lengthened cable can be retracted into the cable box after the broken stones and the soil are cleaned; the invention can be used continuously, the repeated utilization rate of the invention is improved, and the cost is reduced.
Preferably, the top surface and the bottom surface of the first through hole are both provided with first grooves which are uniformly arranged; the bottom of the first groove is fixedly connected with a first spring; one end of the first spring, which is far away from the bottom of the first groove, is fixedly connected with a pressing plate; when the cable box works, a worker installs a cable in the cable box; can pass first through-hole with the cable, the clamp plate can press on the cable surface this moment, and first spring is in compression state, makes things convenient for the workman to carry out later wire winding operation from this, can also play the effect of fixed cable simultaneously.
Preferably, a plurality of first limiting grooves are uniformly formed in the bottom surface of the pressing plate; when the cable fixing device works, after the cables are pressed by the pressing plate, the cables are fixed in the first limiting groove one by one, so that workers can distinguish the cables conveniently; the cable can be prevented from being wound in the winding box.
Preferably, a top rod is fixedly connected to the bottom of the first limiting groove, the top rod is made of elastic materials, and one end of the top rod, which is far away from the bottom of the first limiting groove, is propped against the surface of the cable; when the cable pulling device works, when the cable is pulled outwards by external force, the ejector rod can prop against the surface of the cable under the action of the self elastic force, so that the cable is not easy to pull out, the cable is prevented from staying on the cable and mistakenly triggering the protection mechanism of the cable pulling device, the cable is prevented from being stretched, when the cable is to be pulled back into the cable box, the ejector rod cannot prop against the surface of the cable, the cable can be smoothly pulled back into the cable box, meanwhile, the cable is more easily pulled into the cable box and is not easy to pull out of the cable box, the temporary fixing effect can be achieved, a worker can conveniently wind the cable in the cable box, when a mountain near a tunnel entrance generates a landslide or a debris flow, mud and debris are pressed on the cable, the cable can be pulled by the huge external force, the cable is forced to overcome the resistance of the ejector rod to the surface, the cable is pulled out of the cable box, the cable is prevented from being broken by the debris and the mud, and the communication interruption and the economic loss are caused.
Preferably, one end of the ejector rod, which is far away from the bottom of the groove, is provided with a first roller; the first roller is rotationally connected with the ejector rod through a one-way bearing; when the tunnel portal is in mountain landslide or debris flow, broken stones and soil can extrude the cable, so that the cable is under tension, the friction force of the top rod on the surface of the cable is overcome, the cable can be pulled out of the cable box, and the cable is prevented from being broken due to overlarge tension and extrusion.
Preferably, the side surfaces of the ejector rods are fixedly connected with symmetrically arranged ropes; one ends of the two corresponding ropes far away from the ejector rod are fixedly connected with limiting rings; the limiting ring comprises two half rings, and the two half rings are connected through a buckle; during operation, two semi-rings are connected through the buckle and are formed the spacing ring, again with the spacing ring cover on the cable surface, the spacing ring passes through the rope and pulls the ejector pin to the cable surface, increase the pressure on first gyro wheel and cable surface from this, make the cable be difficult to pulled out the cable case by lighter pulling force, thereby protect the coil spring, prevent that some birds from falling on the cable, the flexible of coil spring is repeatedly triggered all the time, lead to the ageing of coil spring, and when mountain landslide and mud-rock flow take place, the cable can receive rubble and earth extrusion, lead to the cable to receive great pulling force, rope between ejector pin and the spacing ring can not bear so huge pulling force, lead to the rope fracture this moment, after the rope fracture, first gyro wheel reduces the pressure on cable surface, make the cable can be pulled out the cable case smoothly, prevent that the cable from fracturing under the huge pressure of rubble and earth.
Preferably, the annular clamping seat is provided with a pair of symmetrically arranged storage grooves at two sides of the second through hole; the bottom of the storage tank is fixedly connected with a second spring; one end of the second spring, which is far away from the bottom of the storage tank, is fixedly connected with a waterproof film; one end of the waterproof film, which is far away from the second spring, is fixedly connected with uniformly arranged magnet; during operation, the workman pulls out waterproof film from the holding tank to lead to the magnet and glue two pairs of waterproof film about with the second through-hole, thereby seal the second through-hole and only spill the cable, can be in the rainy day, when adverse weather such as mud-rock flow takes place, block rainwater, earth and rubble and get into the cable incasement through the second through-hole, the coil spring and the cable of cable incasement block, play the effect of protection and extension coil spring.
Preferably, the annular clamping seat comprises an annular base and an annular sliding block; the outer side surface of the annular sliding block is fixedly connected with the supporting rod; the annular base is fixedly connected with the cable box; the annular base is fixedly connected with the cable box; a first groove is formed in the inner surface of the annular base, and a first spring is fixedly connected to the bottom of the first groove; a storage groove is formed in the end face, far away from the cable box, of one side of the annular base; the inner surface of the annular sliding block is fixedly connected with a plurality of uniformly arranged arc-shaped bulges, and the cross sections of the arc-shaped bulges are designed into an inverted T-shaped structure; the annular base is provided with an annular sliding groove at the position corresponding to the arc-shaped bulge, and the arc-shaped bulge is in sliding connection with the annular sliding groove; when the cable box is in work, the arc-shaped bulges slide in the annular sliding grooves on the annular base, so that the annular sliding blocks can rotate relative to the annular base, when workers fix the supporting rods on the inner wall of the tunnel through the mounting holes, the annular sliding blocks slide relative to the annular base under the influence of the gravity center of the workers, and a part of the cable box, which is provided with the coil spring, is always vertically downward, so that the cable box can play a role in the top surface or the side wall of the cable box.
Preferably, the bottom surface of the arc-shaped bulge is provided with second grooves which are uniformly arranged; a second roller is rotationally connected in the second groove; during operation, when the arc protrusion slides in the annular sliding groove, the second roller rotates in the annular sliding groove, friction force generated when the arc protrusion and the annular sliding groove slide is reduced, abrasion of the arc protrusion and the annular sliding groove is reduced, and service life is prolonged.
Preferably, a sliding groove is formed in the surface of one side, close to the annular base, of the arc-shaped protrusion; a limiting block is connected in the sliding groove in a sliding manner; a third spring is fixedly connected between the limiting block and the bottom of the sliding groove; second limit grooves which are uniformly arranged are formed in the surface of one side, close to the arc-shaped bulge, of the annular base at positions corresponding to the limit blocks; when the cable box is installed on the inner wall of a tunnel, the cable box can be vertically downward, when the annular sliding block is rotated to a proper position by a worker, the limiting block is propped against the bottom of the annular sliding groove under the action of the elastic force of the third spring, and when the limiting block slides to the second limiting groove, the limiting block can extend into the second limiting groove, so that the sliding of the annular sliding block is limited, the locking effect is achieved, and the cable box is prevented from shaking due to the influence of wind power when in use.
The invention has the following beneficial effects:
1. the communication cable mounting rack for the tunnel, provided by the invention, can be used for mounting the communication cable on the surface of the coil spring, the cable is lengthened, so that the cable cannot be broken by broken stones and soil falling from the tunnel portal, and communication terminals and property loss are caused.
2. According to the communication cable mounting frame for the tunnel, the annular sliding block and the supporting seat fixedly connected to the surface of the annular sliding block are used for fixing the communication cable mounting frame on the inner wall of the tunnel, and the annular sliding block and the annular base slide, so that the cable box is always vertically downward, and the cables in the cable box can conveniently extend out.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2;
FIG. 4 is a sectional view taken at C-C of FIG. 2;
FIG. 5 is a cross-sectional view of the annular cartridge of the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
in the figure: 1. a cable box; 2. mounting grooves; 3. a housing; 4. a threaded hole; 5. a first through hole; 6. an annular cassette; 7. a second through hole; 8. a support bar; 9. mounting holes; 10. a column; 11. a coil spring; 12. pulling a hook; 13. a first groove; 14. a first spring; 15. pressing a plate; 16. a first limit groove; 17. a top rod; 18. a first roller; 19. a one-way bearing; 20. a rope; 21. a limiting ring; 22. a half ring; 23. a storage tank; 24. a second spring; 25. a waterproof film; 26. a magnet; 27. an annular base; 28. an annular slider; 29. an arc-shaped bulge; 30. an annular chute; 31. a second groove; 32. a second roller; 33. a sliding groove; 34. a limiting block; 35. a third spring; 36. a second limit groove.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
Example one
As shown in fig. 1 to 2, a communication cable installation rack for a tunnel according to an embodiment of the present invention includes a cable box 1; the bottom surface and the front end surface of the cable box 1 are provided with a mounting groove 2 together; a shell 3 is inserted in the mounting groove 2; the front end surface of the mounting groove 2 is provided with a threaded hole 4; a first through hole 5 is formed in the shell 3 at a position corresponding to the threaded hole 4; two end faces of the cable box 1 are fixedly connected with annular clamping seats 6; a second through hole 7 is formed in the end face, away from the cable box 1, of the annular clamping seat 6; two sides of the annular clamping seat 6 are connected with symmetrically arranged supporting rods 8; the top surface of the supporting rod 8 is provided with a mounting hole 9; the inner wall of the cable box 1 a vertical column 10 is fixedly connected; the surface of the upright post 10 is fixedly connected with a coil spring 11; one end of the coil spring 11 is fixedly connected with the surface of the upright post 10; the other end of the coil spring 11 is fixedly connected with a draw hook 12; when the tunnel entrance landslide and debris flow occur, a large amount of broken stones and soil are accumulated at the tunnel entrance, so that the cable which can be fixed with the tunnel entrance is broken through pressing, the cable sequentially penetrates through the first through holes 5 on the surfaces of the two annular clamping seats 6 by workers, the middle part of the penetrating cable is folded in half, the draw hook 12 hooks the folded part of the cable, a part of the folded cable is wound on the outer surface of the coil spring 11, the shell 3 is inserted into the mounting groove 2, the screw penetrates through the first through hole 5 and then is screwed into the threaded hole 4, the shell 3 is fixed on the cable box 1, the cable is fixed on the top of the tunnel entrance through the mounting hole 9 on the support rod 8, when the landslide and debris flow occur, the broken stones and soil press the cable, the cable is subjected to downward pressure, the cable is pulled out of the cable box 1, the coil spring 11 is contracted, and the cable is pulled to recover from the contracted state and the draw hook 12; the cable is retracted and wound on the surface of the coil spring 11 again, so that the cable can be lengthened when debris flow and mountain landslide occur, the cable is prevented from being broken by broken stones or soil, communication terminals and economic losses caused by broken cable are avoided, the cable is protected, and when the broken stones and the soil are cleaned, the lengthened cable can be retracted into the cable box 1; the invention can be used continuously, the repeated utilization rate of the invention is improved, and the cost is reduced.
As shown in fig. 3 to 4, the top surface and the bottom surface of the first through hole 5 are both provided with first grooves 13 uniformly arranged; the bottom of the first groove 13 is fixedly connected with a first spring 14; one end of the first spring 14, which is far away from the bottom of the first groove 13, is fixedly connected with a press plate 15; when the cable box 1 works, a worker can install cables in the cable box 1; the cable can pass through the first through hole 5, the pressing plate 15 can be pressed on the surface of the cable at the moment, and the first spring 14 is in a compressed state, so that the cable winding operation after the cable winding operation is performed by a worker is facilitated, and meanwhile, the cable fixing function can be achieved.
As shown in fig. 3 to 4, a plurality of first limiting grooves 16 are uniformly formed on the bottom surface of the pressing plate 15; when the cable fixing device works, after the cables are pressed by the pressing plate 15, the cables are fixed in the first limiting groove 16 one by one, so that workers can distinguish the cables conveniently; the cable can be prevented from being wound in the winding box.
As shown in fig. 3 to 4, a top rod 17 is fixedly connected to the bottom of the first limiting groove 16, the top rod 17 is made of an elastic material, and one end of the top rod 17, which is far away from the bottom of the first limiting groove 16, is pressed against the surface of the cable; when the cable pulling device works, when the cable is pulled outwards by external force, the ejector rod 17 can prop against the surface of the cable under the action of self elastic force, so that the cable is not easy to pull out, the cable is prevented from staying on the cable and mistakenly triggering the protection mechanism of the cable pulling device, the cable is prevented from being stretched, when the cable is to be retracted into the cable box 1, the ejector rod 17 cannot prop against the surface of the cable, the cable can be smoothly retracted into the cable box 1, meanwhile, the cable is more easily retracted into the cable box 1 and is not easy to pull out of the cable box 1, a temporary fixing effect can be achieved, a worker can conveniently wind the cable in the cable box 1, when a mountain near a tunnel entrance slides or is in a debris flow, mud and soil and debris are pressed on the cable, so that the cable can be pulled by the large external force, the cable is forced to overcome the resistance of the ejector rod 17 to the surface, the cable is pulled out of the cable box 1, the cable is prevented from being broken by the mud and broken, and communication and economic loss are caused.
As shown in fig. 3 to 4, a first roller 18 is arranged at one end of the top rod 17 away from the bottom of the groove; the first roller 18 is rotatably connected with the ejector rod 17 through a one-way bearing 19; when the cable is pulled out of the cable box 1, the unidirectional bearing 19 can only rotate in one direction, when the cable is pulled out, the unidirectional bearing 19 cannot rotate, so that the first roller 18 cannot rotate, the first roller 18 slides relative to the surface of the cable to generate sliding friction force, when the cable is retracted into the cable box 1, the unidirectional bearing 19 can rotate, the first roller 18 rolls on the surface of the cable, the rolling friction force generated by the first roller 18 and the surface of the cable is far smaller than the sliding friction force generated by the first roller 18 when the cable moves relative to the surface of the cable, so that the cable is retracted into the cable box 1, the cable is convenient to continue to use, when mountain landslide or debris flow occurs at a tunnel entrance, broken stones and soil can extrude the cable, the cable is pulled, the friction force of the ejector rod 17 on the surface of the cable is overcome, the cable can be pulled out of the cable box 1, and the cable is prevented from being broken due to overlarge pulling force and extrusion.
As shown in fig. 3 to 4, the lateral surfaces of the top rods 17 are fixedly connected with symmetrically arranged ropes 20; one end of each of the two corresponding ropes 20 far away from the ejector rod 17 is fixedly connected with a limiting ring 21; the limiting ring 21 comprises two half rings 22, and the two half rings 22 are connected through a buckle; during operation, two semi-rings 22 connect through the buckle and form spacing ring 21, cover spacing ring 21 on the cable surface again, spacing ring 21 pulls ejector pin 17 to the cable surface through rope 20, increase the pressure on first gyro wheel 18 and cable surface from this, make the cable be difficult to pull out cable case 1 by lighter pulling force, thereby protection coil spring 11, prevent that some birds from falling on the cable, repeated flexible of triggering coil spring 11 all the time, lead to the ageing of coil spring 11, and when mountain landslide and mud-rock flow take place, the cable can receive rubble and earth extrusion, lead to the cable to receive great pulling force, rope 20 between ejector pin 17 and spacing ring 21 can not bear so huge pulling force, lead to rope 20 fracture, after rope 20 fracture, the pressure of first gyro wheel 18 to the cable surface reduces, make the cable can be pulled out case 1 smoothly, prevent that the cable from because of breaking and earth's huge pressure fracture down.
As shown in fig. 3 to 4, a pair of symmetrically disposed storage slots 23 are formed on the annular clamping seat 6 at two sides of the second through hole 7; the bottom of the storage groove 23 is fixedly connected with a second spring 24; one end of the second spring 24, which is far away from the bottom of the storage groove 23, is fixedly connected with a waterproof film 25; one end of the waterproof film 25, which is far away from the second spring 24, is fixedly connected with uniformly arranged magnet 26; during operation, the workman pulls out waterproofing membrane 25 from holding tank 23 to lead to magnet 26 with two pairs of waterproofing membrane 25 about the second through-hole 7 glue, thereby seal second through-hole 7 and only spill the cable, can be in rainy day, when adverse weather such as mud-rock flow takes place, block rainwater, earth and rubble and get into in the cable case 1 through second through-hole 7, the spring of coiling 11 in the cable case 1 blocks with the cable, plays the effect of protection and extension spring of coiling 11.
Example two
As shown in fig. 5 to 6, a first comparative example, in which another embodiment of the present invention is: the annular clamping seat 6 comprises an annular base 27 and an annular sliding block 28; the outer side surface of the annular sliding block 28 is fixedly connected with the support rod 8; the annular base 27 is fixedly connected with the cable box 1; the annular base 27 is fixedly connected with the cable box 1; a first groove 13 is formed in the inner surface of the annular base 27, and a first spring 14 is fixedly connected to the bottom of the first groove 13; the end face of one side of the annular base 27, which is far away from the cable box 1, is provided with a storage groove 23; the inner surface of the annular slide block 28 is fixedly connected with a plurality of uniformly arranged arc-shaped bulges 29, and the cross sections of the arc-shaped bulges 29 are designed into an inverted T-shaped structure; the annular base 27 is provided with an annular sliding groove 30 at a position corresponding to the arc-shaped bulge 29, and the arc-shaped bulge 29 is connected with the annular sliding groove 30 in a sliding manner; when the cable box is in operation, the arc-shaped protrusions 29 slide in the annular sliding grooves 30 on the annular base 27, so that the annular sliding blocks 28 and the annular base 27 can rotate relatively, when a worker fixes the supporting rod 8 on the inner wall of the tunnel through the mounting hole 9, the annular sliding blocks 28 and the annular base 27 slide relatively under the influence of the gravity center of the worker, a part of the cable box 1, which is provided with the coil springs 11, is always vertically downward, and the cable box can play a role in the invention regardless of the top surface or the side wall in the tunnel.
As shown in fig. 5 to 6, the bottom surface of the arc-shaped protrusion 29 is provided with second grooves 31 uniformly formed therein; a second roller 32 is rotatably connected in the second groove 31; when the working process is carried out, when the arc-shaped protrusion 29 slides in the annular sliding groove 30, the second roller 32 rotates in the annular sliding groove 30, so that the friction force between the arc-shaped protrusion 29 and the annular sliding groove 30 during sliding is reduced, the abrasion between the arc-shaped protrusion 29 and the annular sliding groove 30 is reduced, and the service life is prolonged.
As shown in fig. 5 to 6, a sliding groove 33 is formed on a side surface of the arc-shaped protrusion 29 close to the annular base 27; a limiting block 34 is connected in the sliding groove 33 in a sliding manner; a third spring 35 is fixedly connected between the limiting block 34 and the bottom of the sliding groove 33; second limit grooves 36 which are uniformly arranged are formed in the surface of one side, close to the arc-shaped protrusion 29, of the annular base 27 and correspond to the limit blocks 34; when the cable box is in operation, a worker rotates the annular sliding block 28 to a proper angle, namely, when the cable box is installed on the inner wall of a tunnel, the cable box 1 in the cable box is ensured to be vertically downward, when the worker rotates the annular sliding block 28 to a proper position, the limiting block 34 is abutted against the bottom of the annular sliding groove 30 under the action of the elastic force of the third spring 35, and when the limiting block 34 slides to the second limiting groove 36, the limiting block extends into the second limiting groove 36, so that the sliding of the annular sliding block 28 is limited, the locking effect is achieved, and the cable box 1 is prevented from shaking under the influence of wind force when in use.
When the tunnel entrance landslide and debris flow occur, a large amount of broken stones and soil are accumulated at the tunnel entrance, so that the cable which can be fixed with the tunnel entrance is broken through pressing, the cable sequentially penetrates through the first through holes 5 on the surfaces of the two annular clamping seats 6 by workers, the middle part of the penetrating cable is folded in half, the draw hook 12 hooks the folded part of the cable, a part of the folded cable is wound on the outer surface of the coil spring 11, the shell 3 is inserted into the mounting groove 2, the screw penetrates through the first through hole 5 and then is screwed into the threaded hole 4, the shell 3 is fixed on the cable box 1, the cable is fixed on the top of the tunnel entrance through the mounting hole 9 on the support rod 8, when the landslide and debris flow occur, the broken stones and soil press the cable, the cable is subjected to downward pressure, the cable is pulled out of the cable box 1, the coil spring 11 is contracted, and the cable is pulled to recover from the contracted state and the draw hook 12; the cable is retracted and wound on the surface of the coil spring 11 again, so that the cable can be lengthened when debris flow and mountain landslide occur, the cable is prevented from being broken by broken stones or soil, communication terminals and economic losses caused by broken cable are avoided, the cable is protected, and when the broken stones and the soil are cleaned, the lengthened cable can be retracted into the cable box 1; the invention can be used continuously, the repeated utilization rate of the invention is improved, and the cost is reduced.
When a worker installs a cable in the cable box 1; the cable can pass through the first through hole 5, the pressing plate 15 can be pressed on the surface of the cable at the moment, and the first spring 14 is in a compressed state, so that the cable winding operation after the cable winding operation is performed by a worker is facilitated, and meanwhile, the cable fixing function can be achieved.
When the cables are pressed by the pressing plate 15, the cables are fixed in the first limiting groove 16 one by one, so that workers can distinguish the cables conveniently; the cable can be prevented from being wound in the winding box.
When the cable is pulled out by external force, the ejector rod 17 can be abutted against the surface of the cable under the action of the self elastic force, so that the cable is not easy to pull out, the cable is prevented from being stopped on the cable and mistakenly triggering the protection mechanism of the invention, the cable is prevented from being elongated, when the cable is to be retracted into the cable box 1, the ejector rod 17 cannot be abutted against the surface of the cable, so that the cable can be smoothly retracted into the cable box 1, meanwhile, the cable is more easily retracted into the cable box 1 and is not easy to pull out of the cable box 1, the temporary fixing effect can be achieved, a worker can conveniently wind the cable in the cable box 1, when landslides or debris flows near a tunnel entrance, mud and soil debris are pressed on the cable, so that the cable can be pulled by the huge external force, the cable is forced to overcome the resistance of the ejector rod 17 to the surface, so that the cable is pulled out of the cable box 1, and the cable is prevented from being broken by the debris and the mud, and communication interruption and economic loss are caused.
When the cable is pulled out of the cable box 1, the unidirectional bearing 19 can only realize unidirectional rotation, when the cable is pulled out, the unidirectional bearing 19 cannot rotate, so that the first roller 18 cannot rotate, the first roller 18 and the surface of the cable slide relatively to generate sliding friction force, when the cable is retracted into the cable box 1, the unidirectional bearing 19 can rotate, the first roller 18 rolls on the surface of the cable, and the rolling friction force generated by the first roller 18 and the surface of the cable is far smaller than the sliding friction force generated by the first roller 18 when the cable moves relatively to facilitate the retraction of the cable into the cable box 1, so that the cable box is convenient to continue to use, and when a mountain landslide or debris flow occurs at a tunnel entrance, broken stones and soil can extrude the cable, so that the cable is subjected to pulling force, the friction force of the ejector rod 17 on the surface of the cable is overcome, the cable can be pulled out of the cable box 1, and the cable is prevented from being broken due to overlarge pulling force and extrusion.
The two half rings 22 are connected through a buckle to form a limiting ring 21, the limiting ring 21 is sleeved on the surface of a cable, the ejector rod 17 is pulled towards the surface of the cable by the limiting ring 21 through the rope 20, pressure of the first roller 18 and the surface of the cable is increased, the cable is not easy to pull out of the cable box 1 through light tension, the coil spring 11 is protected, birds are prevented from falling on the cable, stretching of the coil spring 11 is repeatedly triggered all the time, aging of the coil spring 11 is caused, when landslide and debris flow occur, the cable can be squeezed by broken stone and soil, the cable is subjected to large tension, the rope 20 between the ejector rod 17 and the limiting ring 21 cannot bear the huge tension, the rope 20 is broken, after the rope 20 is broken, pressure of the first roller 18 on the surface of the cable is reduced, the cable can be smoothly pulled out of the cable box 1, and the cable is prevented from being broken under the huge pressure of the broken stone and the soil.
The workman pulls out waterproof membrane 25 from holding tank 23 to lead to magnet 26 with two pairs of waterproof membrane 25 about the second through-hole 7 glue with, thereby seal second through-hole 7 and only spill the cable, can be in rainy day, when bad weather such as mud-rock flow takes place, block in rainwater, earth and rubble get into cable case 1 through second through-hole 7, coil spring 11 and the cable in the cable case 1 block, play the effect of protection and extension coil spring 11.
The arc-shaped protrusion 29 slides in the annular sliding groove 30 on the annular base 27, so that the annular sliding block 28 and the annular base 27 can rotate relatively, when a worker fixes the support rod 8 on the inner wall of the tunnel through the mounting hole 9, the annular sliding block 28 and the annular base 27 slide relatively under the influence of the gravity center of the worker, a part of the cable box 1, which is provided with the coil spring 11, is always vertically downward, and the invention can play a role in the top surface or the side wall in the tunnel.
When the arc-shaped protrusion 29 slides in the annular sliding groove 30, the second roller 32 rotates in the annular sliding groove 30, so that the friction force between the arc-shaped protrusion 29 and the annular sliding groove 30 during sliding is reduced, the abrasion between the arc-shaped protrusion 29 and the annular sliding groove 30 is reduced, and the service life is prolonged.
When the worker rotates the annular sliding block 28 to a proper angle, namely, when the cable box 1 is installed on the inner wall of the tunnel, the cable box 1 can be ensured to be vertically downward, when the worker rotates the annular sliding block 28 to a proper position, the limiting block 34 is abutted to the bottom of the annular sliding groove 30 under the action of the elastic force of the third spring 35, and when the limiting block 34 slides to the second limiting groove 36, the limiting block extends into the second limiting groove 36, so that the sliding of the annular sliding block 28 is limited, the locking effect is achieved, and the cable box 1 is prevented from shaking under the influence of wind force in use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a communication cable mounting bracket for tunnel which characterized in that: comprising a cable box (1); the bottom surface and the front end surface of the cable box (1) are provided with a mounting groove (2) together; a shell (3) is inserted in the mounting groove (2); the front end face of the mounting groove (2) is provided with a threaded hole (4); the shell (3) corresponds to the threaded hole (4) a first through hole (5) is arranged at the position; two end faces of the cable box (1) are fixedly connected with annular clamping seats (6); a second through hole (7) is formed in the end face, away from the cable box (1), of the annular clamping seat (6); two sides of the annular clamping seat (6) are connected with symmetrically arranged supporting rods (8); the top surface of the supporting rod (8) is provided with a mounting hole (9); the inner wall of the cable box (1) is fixedly connected with an upright post (10); the surface of the upright post (10) is fixedly connected with a coil spring (11); one end of the coil spring (11) is fixedly connected with the surface of the upright post (10); the other end of the coil spring (11) is fixedly connected with a draw hook (12);
the top surface and the bottom surface inside the first through hole (5) are both provided with first grooves (13) which are uniformly arranged; the bottom of the first groove (13) is fixedly connected with a first spring (14); one end of the first spring (14) far away from the bottom of the first groove (13) is fixedly connected with a pressing plate (15);
a plurality of first limiting grooves (16) are uniformly formed in the bottom surface of the pressing plate (15);
a top rod (17) is fixedly connected to the bottom of the first limiting groove (16), the top rod (17) is made of elastic materials, and one end, far away from the bottom of the first limiting groove (16), of the top rod (17) abuts against the surface of the cable;
a first roller (18) is arranged at one end of the ejector rod (17) far away from the bottom of the groove; the first roller (18) is rotationally connected with the ejector rod (17) through a one-way bearing (19);
the annular clamping seat (6) comprises an annular base (27) and an annular sliding block (28); the outer side surface of the annular sliding block (28) is fixedly connected with the supporting rod (8); the annular base (27) is fixedly connected with the cable box (1); a first groove (13) is formed in the inner surface of the annular base (27), and a first spring (14) is fixedly connected to the bottom of the first groove (13); a storage groove (23) is formed in the end face, away from the cable box (1), of one side of the annular base (27); the inner surface of the annular sliding block (28) is fixedly connected with a plurality of uniformly arranged arc-shaped bulges (29), and the cross sections of the arc-shaped bulges (29) are designed into an inverted T-shaped structure; annular base (27) have seted up annular spout (30) in arc protruding (29) corresponding position, and arc protruding (29) and annular spout (30) sliding connection.
2. The communication cable mount as claimed in claim 1, wherein: the side surfaces of the ejector rods (17) are fixedly connected with symmetrically arranged ropes (20); one end of each of the two corresponding ropes (20) far away from the ejector rod (17) is fixedly connected with a limiting ring (21); the limiting ring (21) comprises two half rings (22), and the two half rings (22) are connected through a buckle.
3. The communication cable mount as claimed in claim 1, wherein: a pair of symmetrically arranged storage grooves (23) are formed in the annular clamping seat (6) on two sides of the second through hole (7); the bottom of the storage groove (23) is fixedly connected with a second spring (24); one end of the second spring (24) far away from the bottom of the storage tank (23) is fixedly connected with a waterproof film (25); and one end of the waterproof film (25) far away from the second spring (24) is fixedly connected with magnet stones (26) which are uniformly arranged.
4. The communication cable mount for a tunnel according to claim 1, wherein: the bottom surface of the arc-shaped bulge (29) is provided with second grooves (31) which are uniformly arranged; and a second roller (32) is rotationally connected in the second groove (31).
5. The communication cable mount as claimed in claim 4, wherein: a sliding groove (33) is formed in the surface of one side, close to the annular base (27), of the arc-shaped protrusion (29); a limiting block (34) is connected in the sliding groove (33) in a sliding manner; a third spring (35) is fixedly connected between the limiting block (34) and the bottom of the sliding groove (33); one side surface of the annular base (27) close to the arc-shaped bulge (29) is provided with second limit grooves (36) which are uniformly arranged at corresponding positions of the limit blocks (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516118.4A CN114655796B (en) | 2022-05-12 | 2022-05-12 | Communication cable mounting bracket for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516118.4A CN114655796B (en) | 2022-05-12 | 2022-05-12 | Communication cable mounting bracket for tunnel |
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| Publication Number | Publication Date |
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| CN114655796A CN114655796A (en) | 2022-06-24 |
| CN114655796B true CN114655796B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210516118.4A Active CN114655796B (en) | 2022-05-12 | 2022-05-12 | Communication cable mounting bracket for tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2637451Y (en) * | 2003-07-18 | 2004-09-01 | 魏国扬 | Reeling device of spool wheel and wire material |
| US20090314869A1 (en) * | 2008-03-31 | 2009-12-24 | Canimex Inc. | Drum for counterbalancing system of a cable-operated door |
| DE112015004122A5 (en) * | 2014-09-09 | 2017-06-29 | Mark Gobald | Device for winding a cable |
| CN106629263A (en) * | 2015-10-31 | 2017-05-10 | 河南四达电力设备股份有限公司 | Retractable electrode wire |
| CN110811601A (en) * | 2019-11-28 | 2020-02-21 | 周义平 | Medical equipment with high convenience for clinical diagnosis |
| CN215924064U (en) * | 2021-07-19 | 2022-03-01 | 四川远德安防检测设备有限公司 | Ultra-large range stay cord sensor and stay cord recovery unit |
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