CN111682495B - Cable pulling pipe structure and installation method thereof - Google Patents
Cable pulling pipe structure and installation method thereof Download PDFInfo
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- CN111682495B CN111682495B CN202010587830.4A CN202010587830A CN111682495B CN 111682495 B CN111682495 B CN 111682495B CN 202010587830 A CN202010587830 A CN 202010587830A CN 111682495 B CN111682495 B CN 111682495B
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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
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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Abstract
The application discloses cable trombone slide structure and installation method thereof, it includes that the interval sets up the compression fittings at the ditch inslot, compression fittings includes two compression fittings that set up relatively, the perforation that the power supply cable pipeline passed is seted up to symmetry on two compression fittings, the equal symmetry in fenestrate both sides has seted up the embedding groove on two compression fittings, be provided with buffer spring between two relative embedding grooves, wear to be equipped with the guide bar in the buffer spring, set up the aqueduct on the tank bottom of embedding groove, the compression fittings is located one side that the aqueduct deviates from the embedding groove and has seted up the dashpot, the dashpot is linked together with crossing the aqueduct, the guide bar is worn to establish the aqueduct and is extended to the dashpot, be provided with on the tip that the guide bar is located the dashpot and slide complex buffer plate with the dashpot. The application has the technical effects that: the damage of lateral extrusion of the foundation to the cable duct is reduced, and the safety of the cable duct is improved.
Description
Technical Field
The application relates to the field of cable pull pipes, in particular to a cable pull pipe structure and an installation method thereof.
Background
The cable pulling pipe is a process of laying a cable pipeline below the ground, and most of the existing cable pulling pipe methods adopt a direct excavation and burying method, namely the cable pipeline is laid in an excavated groove, sandy soil or fine sand with a certain thickness is laid in the groove along the track of the groove, and then the soil is used for backfilling and is tamped to be flush with the ground.
The cable duct is buried under the ground and can be greatly influenced by the foundation, and when the foundation is laterally extruded, the cable duct can be greatly laterally pressed, so that the cable duct is deformed and damaged, and the safety of the cable duct is influenced.
Disclosure of Invention
The utility model aims at providing a cable trombone slide structure, its advantage is: the damage of lateral extrusion of the foundation to the cable duct is reduced, and the safety of the cable duct is improved.
The technical purpose of the application is realized by the following technical scheme: a cable pulling pipe structure comprises compression-resistant devices arranged in a groove at intervals, wherein each compression-resistant device comprises two compression-resistant plates which are oppositely arranged, one sides of the two compression-resistant plates, which are close to each other, are symmetrically provided with through holes for a cable pipeline to penetrate through, the sides, which are close to each other, of the two compression-resistant plates, which are positioned at the two sides of the through holes, are symmetrically provided with embedding grooves, a buffer spring is arranged between the two opposite embedding grooves, and the two ends of the buffer spring are respectively fixed on the bottoms of the two embedding grooves;
when the buffer spring is in a natural state, a space is reserved between the two compression-resistant plates;
wear to be equipped with the guide bar in the buffer spring, seted up the aqueduct on the tank bottom of embedding groove, the resistance to compression inboard is located one side that the aqueduct deviates from the embedding groove and has seted up the dashpot, the dashpot diameter is greater than the aqueduct diameter, just the dashpot with cross the aqueduct and be linked together, the guide bar is worn to establish the aqueduct and is extended to in the dashpot, be provided with on the tip that the guide bar is located the dashpot and slide complex buffer wafer with the dashpot.
Through the technical scheme, the guide rod plays a role in guiding the relative displacement of the two pressure resisting plates, so that the two pressure resisting plates always generate lateral displacement along the axial direction of the guide rod, the possibility of dislocation between the two pressure resisting plates is reduced, and the cable pipeline can be protected from deformation caused by dislocation extrusion of the two pressure resisting plates; meanwhile, the guide rod also plays a role in guiding the expansion of the buffer spring, so that the possibility of the buffer spring being distorted and deformed is reduced; when lateral extrusion takes place for the ground, the opposition clamp plate produces the side pressure, at this moment under buffer spring's elasticity effect, can play the effect of a buffering to cable duct to slow down the influence of side pressure to cable duct, thereby reduced cable duct because of receiving the too big condition that arouses deformation damage of side pressure, and then improved cable duct's security.
The application is further configured to: a through groove is symmetrically formed in one side, close to each other, of each of the two pressure resisting plates, a buffer block with a side wall matched with the groove wall of the through groove is arranged in each through groove, the through hole is formed in each buffer block, a limiting groove is formed in the groove wall of each through groove, a limiting block matched with the limiting groove in a sliding mode is arranged on the side wall of each buffer block, and an elastic piece is arranged between each buffer block and the bottom of each through groove;
when the elastic piece is in a natural state, the limiting block and the limiting groove are arranged in an abutting mode on the groove wall of the through groove bottom far away from the through groove bottom, and the side wall of the buffering block far away from the through groove bottom is flush with the side wall of the pressure resisting plate.
Through above-mentioned technical scheme, when the resistance to compression board receives the lateral extrusion of ground too big, the resistance to compression board can cause the extrusion to cable duct, and cable duct receives the extrusion back, can promote the buffer block and slide to leading to the inslot, and at this in-process, can extrude the elastic component, under the elastic action of elastic component, plays the effect of buffering to the buffer block, and then plays the effect of buffering to cable duct to protection cable duct avoids extruding and destroys.
The application is further configured to: the elastic component includes V-arrangement flexure strip and sets up the straight shape piece at V-arrangement flexure strip both ends, two the straight shape piece is contradicted respectively on the tank bottom and the buffer block that lead to the groove, two the hole of sliding that link up has all been seted up on the straight shape piece, be provided with the guide post of wearing to establish the hole of sliding on the tank bottom and the buffer block that lead to the groove, the part that the guide post wore to establish the hole of sliding is provided with the spacing piece that the size is greater than the hole width of sliding.
Through the technical scheme, when the V-arrangement flexure strip received the extrusion of buffer block, the both ends of V-arrangement flexure strip are close to each other and are close to closed state, at this in-process, two straight shape pieces are contradicted respectively on the tank bottom and the buffer block that lead to the groove, and take place the displacement along the hole of sliding, and when the extrusion that the V-arrangement flexure strip received the buffer block gradually changed hours, the V-arrangement flexure strip is under the effect of elastic recovery power, both ends open each other, outwards promote the buffer block, it is inconsistent until stopper and spacing groove keep away from the cell wall that leads to the groove bottom, the lateral wall that the buffer block deviates from logical groove bottom flushes with resistance to compression board lateral wall.
The application is further configured to: be provided with the covering of closing the space between the tank bottom that will lead to the groove and the buffer block between the outer wall of resistance to compression board and the buffer block, the covering is located the side of buffer block and sets up jaggedly, be connected with flexible fly leaf between breach and the buffer block.
Through above-mentioned technical scheme, flexible fly leaf can adapt to the buffer block displacement in the time, together with the sealing cover will lead to the tank bottom of groove and the space between the buffer block is sealed jointly to block silt, ensure that the elastic component can be in work under the airtight environment of a relative safety, reduce silt and enter into and lead to the fact the jam and arouse the unable normal condition of work of elastic component to take place between tank bottom and the buffer block that lead to the groove.
The application is further configured to: two be provided with flexible shrouding between the week side of resistance to compression board, the both sides limit of flexible shrouding is pasted respectively on the outer wall of two resistance to compression boards, it is fixed mutually through the screw between flexible shrouding side and the resistance to compression board.
Through above-mentioned technical scheme, the elastic deformation ability of flexible shrouding can adapt to the displacement that takes place between two resistance to compression board, and flexible shrouding can seal the space between two resistance to compression board week sides simultaneously to block silt and enter into between two resistance to compression boards, thereby make buffer spring can stretch out and draw back under a relative safe inclosed environment, reduced silt to buffer spring's influence, and then improved the reliability of two resistance to compression boards to the cable duct protection.
The application is further configured to: the outer wall of the compression plate is provided with a fixed rod between two adjacent screws, two ends of the fixed rod are fixed on the compression plate through ear seats, a compression plate is rotatably arranged on the fixed rod, the fixed rod is sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed on the compression plate and the outer wall of the compression plate;
when the torsion spring is in a natural state, the compression plate compresses the flexible sealing plate on the outer wall of the compression plate.
Through above-mentioned technical scheme, under the torsion effect of torsional spring, order about the pressure strip all the time and rotate to the side of flexible shrouding to compress tightly the side of flexible shrouding firmly on the resistance to compression board, with to sealing between flexible shrouding and the resistance to compression board, reduce silt and enter into the possibility between two resistance to compression boards from the gap between flexible shrouding and the resistance to compression board.
The application is further configured to: and flexible dovetail strips are arranged on two side edges of the flexible sealing plate, and dovetail grooves for the flexible dovetail strips to be embedded are formed in the outer wall of the pressure resisting plate.
Through above-mentioned technical scheme, flexible dovetail on the flexible shrouding side is inlayed and is put in the dovetail, can improve the fastness that flexible shrouding is fixed between two resistance to compression boards on the one hand, and on the other hand plays the effect to further sealed between flexible shrouding and the resistance to compression board to further block that silt enters into between two resistance to compression boards.
The application is further configured to: a through connecting hole is formed between the groove bottom of the dovetail groove and the outer wall of the compression plate, which is positioned on one side of the compression plate, which is away from the flexible sealing plate, a pull rope penetrates through the connecting hole, one end of the pull rope is connected with the flexible dovetail strip, and the other end of the pull rope extends out of the connecting hole and is connected with the compression plate;
when the compression plate compresses the flexible sealing plate on the outer wall of the compression plate, the pull rope is in a tightened state.
Through above-mentioned technical scheme, the torsion of torsional spring orders about the pressure strip to flexible shrouding pivoted in-process, and the pulling stay cord makes the stay cord be in the state of tightening, and at this in-process, the flexible dovetail of stay cord downward pulling for flexible dovetail is more closely knit inlays and puts in the dovetail, with the fixed fastness that improves flexible shrouding, and improves the sealed effect between flexible shrouding and the resistance to compression board.
Another object of the present application is to provide a method for installing a cable pulling tube structure, which has the following advantages: the overall stability and the compressive capacity of the cable pipeline are improved, and the safety of the cable pipeline is ensured.
The technical purpose of the application is realized by the following technical scheme: the method comprises the following steps: the method comprises the following steps: digging a groove; step two: placing a plurality of prefabricated compression-resistant devices in the groove at intervals; step three: laying a cable pipeline into the groove, and sequentially penetrating the cable pipeline through the through holes on the plurality of pressure-resistant devices; step four: after the cable pipeline is laid, sand or fine sand with a certain thickness is laid in the groove along the track of the groove; step five: finally, soil is used for backfilling, and the soil is tamped to be flush with the ground.
Through above-mentioned technical scheme, the resistance to compression device buries underground in the slot for protect cable duct, reduce cable duct and receive the ground side direction extrusion and take place the condition of deformation damage, and through the husky soil or the fine sand of laying certain thickness to the slot, reuse soil backfills and tamps, can improve the holistic steadiness and the compressive capacity of cable duct, ensures cable duct's safety.
In summary, the present application has the following beneficial effects:
1. the foundation is laterally extruded to resist the pressure plate to generate lateral pressure, and at the moment, under the action of the elastic force of the buffer spring, the buffer function can be performed on the cable duct to slow down the influence of the lateral pressure on the cable duct, so that the condition that the cable duct is deformed and damaged due to overlarge lateral pressure is reduced, and the safety of the cable duct is improved;
2. through laying sandy soil or fine sand of certain thickness to the ditch inslot, use soil to backfill and tamp again, can improve cable duct's holistic steadiness and compressive capacity, ensure cable duct's safety.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a structural sectional view of the embodiment for embodying the inside of two pressure-resistant plates.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 2.
Reference numerals: 11. a compression resistance device; 111. a pressure resistant plate; 1111. perforating; 1112. an embedding groove; 1113. a transition groove; 1114. a buffer tank; 112. a buffer spring; 113. a guide bar; 114. a buffer sheet; 12. a through groove; 13. a buffer block; 131. a limiting block; 14. a limiting groove; 15. an elastic member; 151. a V-shaped elastic sheet; 152. a straight piece; 1521. a sliding hole; 16. a guide post; 161. a limiting sheet; 17. an enclosure; 171. a notch; 18. a flexible movable plate; 19. a flexible sealing plate; 191. a flexible dovetail strip; 20. a screw; 21. fixing the rod; 22. an ear mount; 23. a compression plate; 24. a torsion spring; 25. a dovetail groove; 26. connecting holes; 27. and pulling a rope.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Example (b): the utility model provides a cable trombone slide structure, refers to fig. 1 and fig. 3, including equidistant a plurality of resistance to compression devices 11 of setting in the ditch inslot, resistance to compression device 11 includes that two symmetries set up the resistance to compression board 111 in the cable duct both sides, and the perforation 1111 that the level link up is seted up to the symmetry on the relative lateral wall of two resistance to compression boards 111, and two perforation 1111 form the through-hole that the cable duct wore to establish. The two opposite side walls of the two pressure-resistant plates 111 are symmetrically provided with circular embedding grooves 1112 at two sides of the through hole 1111, a buffer spring 112 is arranged between the two opposite embedding grooves 1112, and two ends of the buffer spring 112 are respectively fixed with the bottoms of the two corresponding embedding grooves 1112.
Referring to fig. 2 and 3, when the buffer spring 112 is in a natural expansion state, the two pressure resisting plates 111 are pushed away from each other, so that a buffer space is provided between the two pressure resisting plates 111. A transition groove 1113 concentric with the embedding groove 1112 is arranged in the middle of the groove bottom of the embedding groove 1112, a buffer groove 1114 is arranged in the compression-resistant plate 111 and is positioned at one side of the transition groove 1113, which is far away from the embedding groove 1112, the buffer groove 1114 is communicated with the transition groove 1113, the buffer groove 1114 is arranged concentrically with the transition groove 1113, the diameter of the buffer groove 1114 is larger than that of the transition groove 1113, a guide rod 113 penetrates through the buffer spring 112, the guide rod 113 penetrates through the transition groove 1113 and extends into the buffer groove 1114, a buffer sheet 114 is fixedly arranged at the end part of the guide rod 113, which extends into the buffer groove 1114, the buffer sheet 114 is in sliding fit with the buffer groove 1114, the guide rod 113 can play a role in guiding relative displacement of the two compression-resistant plates 111, so that the compression-resistant plates 111 always laterally displace along the axial direction of the guide rod 113, thereby reducing the possibility of dislocation between the two compression-resistant plates 111, thereby protecting the cable duct from being deformed by the misaligned compression of the two compression resistant plates 111.
Referring to fig. 3, when the foundation is laterally squeezed, the pressure plate 111 is resisted to generate side pressure, and at the moment, under the action of the elastic force of the buffer spring 112, the buffer effect on the cable duct can be achieved, so that the influence of the side pressure on the cable duct is relieved, the deformation and damage of the cable duct caused by the overlarge side pressure are reduced, and the safety of the cable duct is improved.
Referring to fig. 2 and 4, a flexible sealing plate 19 is disposed between the peripheral sides of the two pressure-resisting plates 111, the flexible sealing plate 19 is made of rubber and has elastic deformation capability, two side edges of the flexible sealing plate 19 are respectively overlapped on the outer walls of the two pressure-resisting plates 111, and the side edges of the flexible sealing plate 19 and the outer walls of the pressure-resisting plates 111 are fixed by screws 20 disposed at intervals. All be provided with flexible dovetail 191 on the both sides limit of flexible shrouding 19, flexible dovetail 191 is the same with flexible shrouding 19 material and both integrated into one piece, and set up the dovetail 25 corresponding with flexible dovetail 191 position on the week side of two resistance to compression plates 111, and flexible dovetail 191 and dovetail 25 mutually support set up, embed flexible dovetail 191 in dovetail 25, can play spacing effect to flexible shrouding 19, reduce the condition that flexible shrouding 19 is located the part hunch-up between two screws 20 and take place, thereby make flexible shrouding 19 side hug closely on resistance to compression plates 111's outer wall all the time, with the leakproofness between improvement flexible shrouding 19 side and the resistance to compression plates 111 outer wall, reduce silt and enter into the possibility between two resistance to compression plates 111 from the gap between flexible shrouding 19 and the resistance to compression plates 111.
Referring to fig. 2 and 3, the elastic deformation ability of the flexible sealing plate 19 can adapt to the relative displacement between the two pressure resisting plates 111, and the flexible sealing plate 19 seals the gap between the two pressure resisting plates 111 to prevent silt from entering the space between the two pressure resisting plates 111, so that the buffer spring 112 can work in a relatively safe and airtight environment, the influence of silt on the buffer spring 112 is reduced, and the reliability of the two pressure resisting plates 111 on the protection of the cable pipeline is improved.
Referring to fig. 4, it is provided with dead lever 21 to lie in between two adjacent screws 20 on the outer wall of resistance to compression board 111, the both ends of dead lever 21 are fixed mutually with resistance to compression board 111's outer wall through ear seat 22 respectively, dead lever 21 and flexible shrouding 19's side parallel arrangement, it is equipped with pressure strip 23 to rotate the cover on dead lever 21, and still the cover is equipped with torsional spring 24 on dead lever 21, the both ends of torsional spring 24 are fixed mutually with pressure strip 23 and resistance to compression board 111's outer wall respectively, under torsional spring 24's torsion effect, it rotates to flexible shrouding 19's side to order about pressure strip 23 all the time, thereby firmly compress flexible shrouding 19's side, make flexible shrouding 19's side tightly support on resistance to compression board 111's outer wall, in order to prevent flexible shrouding 19's side hunch-up, the leakproofness between flexible shrouding 19's side and resistance to compression board 111 outer wall has further been improved.
Referring to fig. 4, the tank bottom of dovetail 25 and resistance to compression board 111 are located and have seted up the connecting hole 26 that link up between the one side outer wall that pressure strip 23 deviates from flexible shrouding 19, wear to be equipped with stay cord 27 in the connecting hole 26, the one end with stay cord 27 is connected with flexible dovetail 191, extend connecting hole 26 with the other end of stay cord 27, and be connected with pressure strip 23, thereby order to close about pressure strip 23 to flexible shrouding 19 pivoted in-process at torsional spring 24's torsion, can stimulate stay cord 27 and make stay cord 27 be in the state of straining, stay cord 27 is straightened, stimulate flexible dovetail 191 downwards, make more closely knit the embedding of flexible dovetail 191 in dovetail 25, with the improvement to flexible shrouding 19's spacing stability, improve the sealed effect between flexible shrouding 19 and the resistance to compression board 111 simultaneously.
Referring to fig. 2 and fig. 3, logical groove 12 that the level link up is seted up to the symmetry on the relative lateral wall of two resist boards 111, the cross-section of leading to groove 12 is squarely, it is provided with buffer block 13 to lead to the inslot sliding, the direction of buffer block 13 in leading to the inslot 12 is unanimous with two resist boards 111 relative movement's direction, and buffer block 13's lateral wall and the cell wall that leads to groove 12 mutually support, spacing groove 14 has been seted up on the cell wall that leads to groove 12, fixed being provided with simultaneously on buffer block 13's lateral wall with spacing groove 14 complex stopper 131 that slides, when stopper 131 slides to contradict on spacing groove 14 keeps away from the cell wall that leads to groove 12, buffer block 13 deviates from the wall and the resist board 111 wall of leading to the groove 12 tank bottom mutually, it flushes on buffer block 13 to perforate 1111.
Referring to fig. 5, an elastic member 15 is disposed between the buffer block 13 and the bottom of the through groove 12, the elastic member 15 includes a V-shaped elastic piece 151 and a straight piece 152 having two ends of the V-shaped elastic piece 151, the V-shaped elastic piece 151 and the straight piece 152 are made of metal and are integrally formed, the V-shaped elastic piece 151 has elasticity after being compressed, the two straight pieces 152 are respectively attached to and abutted against the bottom of the buffer block 13 and the bottom of the through groove 12, the two straight pieces 152 are respectively provided with a through sliding hole 1521, the groove bottom of the through groove 12 and the buffer block 13 are fixedly provided with a guide post 16 penetrating through the sliding hole 1521, the part of the guide post 16 penetrating through the sliding hole 1521 is fixedly provided with a limiting piece 161 with the diameter larger than the hole width of the sliding hole 1521, so that the two straight pieces 152 are respectively fixed on the groove bottom of the through groove 12 and the buffer block 13, and the two straight pieces 152 can slide on the groove bottom of the through groove 12 and the buffer block 13 along the sliding hole 1521.
Referring to fig. 2, when the lateral extrusion that resistance to compression board 111 received the ground was too big, resistance to compression board 111 can cause the extrusion to cable duct, cable duct receives the extrusion back, can promote buffer block 13 and slide to logical groove 12, at this in-process, can extrude V-arrangement flexure strip 151, under the elastic action of V-arrangement flexure strip 151, play the effect of buffering to buffer block 13, and then play the effect of buffering to cable duct, in order to protect cable duct to avoid the extrusion to destroy.
Referring to fig. 1 and 2, an enclosure 17 for enclosing a space between the buffer block 13 and the bottom of the through groove 12 is disposed between the outer wall of the compression plate 111 and the outer wall of the buffer block 13, a portion of the enclosure 17 located on the compression plate 111 is fixedly connected to the outer wall of the compression plate 111, a notch 171 is disposed on a portion of the enclosure 17 located on the buffer block 13, a flexible movable plate 18 is disposed in the notch 171, the flexible movable plate 18 is made of rubber, the notch 171 is enclosed by the flexible movable plate 18, and two side edges of the flexible movable plate 18 are respectively fixed to the inner wall of the notch 171 and the outer wall of the buffer block 13. The flexible movable plate 18 can adapt to the displacement of the buffer block 13, and simultaneously, together with the sealing cover 17, the flexible movable plate seals the space between the bottom of the through groove 12 and the buffer block 13 to block silt, so as to ensure that the elastic part 15 can work in a relatively safe and airtight environment, and reduce the occurrence of the situation that the elastic part 15 cannot work normally due to the fact that the silt enters the space between the bottom of the through groove 12 and the buffer block 13 to block.
The installation method comprises the following steps:
firstly, the method comprises the following steps: digging a groove;
II, secondly: a plurality of prefabricated pressure-resistant devices 11 are placed in the groove at equal intervals;
thirdly, the method comprises the following steps: laying a cable pipeline into the groove, and sequentially passing the cable pipeline through the through holes 1111 of the plurality of pressure-resistant devices 11;
fourthly, the method comprises the following steps: after the cable pipeline is laid, sand or fine sand with a certain thickness is laid in the groove along the track of the groove;
fifthly: finally, soil is used for backfilling, and the soil is tamped to be flush with the ground, so that the installation is completed.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A cable trombone slide structure which characterized in that: the anti-compression device comprises anti-compression devices (11) arranged in a groove at intervals, wherein each anti-compression device (11) comprises two opposite anti-compression plates (111), one sides of the two anti-compression plates (111) close to each other are symmetrically provided with through holes (1111) through which a cable pipeline passes, the two sides of one sides of the two anti-compression plates (111) close to each other, which are positioned on the through holes (1111), are symmetrically provided with embedding grooves (1112), a buffer spring (112) is arranged between the two opposite embedding grooves (1112), and two ends of the buffer spring (112) are respectively fixed on the bottoms of the two embedding grooves (1112);
when the buffer spring (112) is in a natural state, a space is reserved between the two pressure resisting plates (111);
wear to be equipped with guide bar (113) in buffer spring (112), lead groove (1113) have been seted up on the tank bottom of embedding groove (1112), be located lead groove (1113) in resistance to compression board (111) and deviate from lead groove (1112) one side and seted up dashpot (1114), dashpot (1114) diameter is greater than lead groove (1113) diameter, just dashpot (1114) with lead groove (1113) and be linked together, guide bar (113) are worn to establish lead groove (1113) and are extended to dashpot (1114), be provided with on the tip that guide bar (113) are located dashpot (1114) and slide complex buffer wafer (114) with dashpot (1114).
2. The cable pulling tube structure according to claim 1, wherein: through grooves (12) are symmetrically formed in one side, close to each other, of each of the two compression resistant plates (111), buffer blocks (13) with side walls matched with the groove walls of the through grooves (12) are arranged in the through grooves (12), the through holes (1111) are formed in the buffer blocks (13), limiting grooves (14) are formed in the groove walls of the through grooves (12), limiting blocks (131) matched with the limiting grooves (14) in a sliding mode are arranged on the side walls of the buffer blocks (13), and elastic pieces (15) are arranged between the buffer blocks (13) and the groove bottoms of the through grooves (12);
when elastic component (15) are in natural state, stopper (131) and spacing groove (14) are kept away from the cell wall conflict setting of logical groove (12) tank bottom, just lateral wall that buffer block (13) deviate from logical groove (12) tank bottom flushes with resistance to compression board (111) lateral wall mutually.
3. The cable pulling tube structure according to claim 2, wherein: elastic component (15) include V-arrangement flexure strip (151) and set up straight shape piece (152) at V-arrangement flexure strip (151) both ends, two straight shape piece (152) are contradicted respectively on the tank bottom and buffer block (13) that lead to groove (12), two all set up the slip hole (1521) that link up on straight shape piece (152), be provided with guide post (16) of wearing to establish slip hole (1521) on the tank bottom and buffer block (13) that lead to groove (12), the part that guide post (16) worn to establish slip hole (1521) is provided with spacing piece (161) that the size is greater than slip hole (1521) hole width.
4. The cable pulling tube structure according to claim 3, wherein: be provided with between the outer wall of resistance to compression board (111) and the outer wall of buffer block (13) with the tank bottom of logical groove (12) and the cover (17) of space closure between buffer block (13), cover (17) are located the side of buffer block (13) and offer breach (171), be connected with flexible fly leaf (18) between breach (171) and buffer block (13).
5. The cable pulling tube structure according to claim 1, wherein: two be provided with flexible shrouding (19) between the week side of anti clamp plate (111), the both sides limit of flexible shrouding (19) is pasted respectively on the outer wall of two anti clamp plate (111), it is fixed mutually through screw (20) between flexible shrouding (19) side and the anti clamp plate (111).
6. The cable pulling tube structure according to claim 5, wherein: the outer wall of the pressure resisting plate (111) is provided with a fixing rod (21) between two adjacent screws (20), two ends of the fixing rod (21) are fixed on the pressure resisting plate (111) through ear seats (22), a pressure pressing plate (23) is rotatably arranged on the fixing rod (21), a torsion spring (24) is sleeved on the fixing rod (21), and two ends of the torsion spring (24) are respectively fixed on the outer walls of the pressure pressing plate (23) and the pressure resisting plate (111);
when the torsion spring (24) is in a natural state, the pressing plate (23) presses the flexible sealing plate (19) on the outer wall of the pressure resisting plate (111).
7. The cable pulling tube structure according to claim 6, wherein: and the two side edges of the flexible sealing plate (19) are provided with flexible dovetail strips (191), and the outer wall of the pressure resistant plate (111) is provided with a dovetail groove (25) for embedding the flexible dovetail strips (191).
8. The cable pulling tube structure according to claim 7, wherein: a through connecting hole (26) is formed between the groove bottom of the dovetail groove (25) and the outer wall of one side, away from the flexible sealing plate (19), of the compression plate (23) of the compression plate (111), a pull rope (27) penetrates through the connecting hole (26), one end of the pull rope (27) is connected with the flexible dovetail strip (191), and the other end of the pull rope (27) extends out of the connecting hole (26) and is connected with the compression plate (23);
when the pressing plate (23) presses the flexible sealing plate (19) on the outer wall of the pressure resisting plate (111), the pull rope (27) is in a tight state.
9. A method of installing a cable pulling tube structure according to claim 1, wherein: the method comprises the following steps:
the method comprises the following steps: digging a groove;
step two: a plurality of prefabricated pressure resistant devices (11) are arranged in the groove at intervals;
step three: laying a cable pipeline into the groove, and sequentially passing the cable pipeline through the through holes (1111) on the plurality of pressure-resistant devices (11);
step four: after the cable pipeline is laid, sand or fine sand with a certain thickness is laid in the groove along the track of the groove;
step five: finally, soil is used for backfilling, and the soil is tamped to be flush with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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