CN114696271A - Leaky cable clamp mechanism and leaky cable bearing system - Google Patents
Leaky cable clamp mechanism and leaky cable bearing system Download PDFInfo
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- CN114696271A CN114696271A CN202210611641.5A CN202210611641A CN114696271A CN 114696271 A CN114696271 A CN 114696271A CN 202210611641 A CN202210611641 A CN 202210611641A CN 114696271 A CN114696271 A CN 114696271A
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- cable
- leaky cable
- auxiliary
- main
- leaky
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a leaky cable clamp mechanism and a leaky cable bearing system, which comprise a bearing support, a main clamp and at least two auxiliary clamps, wherein the bearing support is fixed on a mounting wall body, the main clamp and the at least two auxiliary clamps are fixed on the bearing support, the at least two auxiliary clamps are arranged at two sides of the main clamp at intervals, the auxiliary clamps can generate elastic deformation in a state that a leaky cable vibrates, so that the main clamp has a damping and buffering effect, and the main clamp is fixed relative to the bearing support in the state that the leaky cable vibrates. The leakage cable clamping mechanism can meet the bearing requirement of the leakage cable, effectively reduces the installation quantity of the leakage cable clamping mechanism, can avoid the looseness of the bearing support caused by the influence of vibration on the stress between the bearing support and the installation wall body, lightens or eliminates the influence of the vibration on the stress between the main clamping mechanism and the leakage cable, can apply larger clamping force on the leakage cable, ensures that the leakage cable cannot loosen, effectively improves the safety performance, and simultaneously reduces or eliminates the axial displacement of the leakage cable under the action force of the tunnel wind tunnel effect.
Description
Technical Field
The invention relates to the technical field of leaky cable installation, in particular to a leaky cable clamp mechanism and a leaky cable bearing system.
Background
The leaky cable is a leaky coaxial cable for short, and is usually also a leaky cable or a leaky cable for short, the structure of the leaky cable is basically consistent with that of a common coaxial cable, and the leaky cable is composed of an inner conductor, an insulating medium and an outer conductor. At present, leaky cables are generally applied to places such as railway tunnels, subway tunnels, highway tunnels, mines, parking lots, elevators and the like, and are mainly used for transmission and coverage of wireless communication signals. When the existing leaky coaxial cable is installed in a tunnel or other scenes, the leaky coaxial cable is generally fixed on the side surface of a tunnel wall through a clamp, and from the view of installation and fixation, the leaky coaxial cable structure is mainly divided into a self-supporting type and a non-self-supporting type.
The current tunnel is covered with wireless signals by leaky cables, and mainly non-self-supporting leaky cables are used as the main part. The non-self-supporting leaky cable can not be supported through the self-structure, is completely installed by a fixture, is generally installed at an interval of one meter, realizes the fixation of the whole leaky cable, and has the following technical problems: 1. the clamp has high density, holes need to be punched on the tunnel wall every other meter, the construction cost is high, time and labor are wasted, and the construction period is long; 2. intensive punching can affect the structural strength of the wall body; 3. the number of clamps is large, and the number of the clamps to be checked is very large in later maintenance work; 4. the whole leaky cable cannot be tightened only by means of the bearing of the clamp, and the straightness of the whole leaky cable cannot be guaranteed after installation; 5. the expansion of the leaky cable caused by the cold and hot changes of the climate and the vibration of the leaky cable caused by the wind load or the vibration of the wall body can both influence the stress between the leaky cable and the clamp and cause the leaky cable to loosen; 6. under the influence of the acting force of the tunnel wind tunnel effect, the leakage cable can generate displacement relative to the clamping apparatus in the axial direction, and potential safety hazards are caused.
Disclosure of Invention
The invention aims to provide a leaky cable clamp mechanism and a leaky cable bearing system, which are used for solving the engineering application technical problems that the number of clamps required by installation and fixation of the leaky cable is too large, the number of holes drilled on a wall body is too large, the structural strength of the wall body is influenced, the leaky cable is loosened from the clamp due to vibration of the leaky cable, the leaky cable generates axial displacement relative to the clamps, and the like.
The above object of the present invention can be achieved by the following technical solutions:
the invention provides a leaky cable clamp mechanism which comprises a bearing support, a main clamp and at least two auxiliary clamps, wherein the bearing support is fixed on a mounting wall body of a leaky cable, the main clamp and the at least two auxiliary clamps are fixed on the bearing support, the at least two auxiliary clamps are arranged on two sides of the main clamp at intervals, the main clamp is provided with a main clamping groove, the auxiliary clamps are provided with auxiliary clamping grooves, at least three parts of the leaky cable are clamped in the main clamping groove and the at least two auxiliary clamping grooves, the at least two auxiliary clamps can generate elastic deformation under the state that the leaky cable vibrates, so that the leaky cable clamp mechanism has a damping and buffering effect, and the main clamp is fixed relative to the bearing support under the state that the leaky cable vibrates.
In an embodiment of the invention, the main clamp comprises a clamp main body and a rigid structure, the main clamping groove is arranged on the clamp main body, the clamp main body is connected with the bearing support through the rigid structure, and the rigid structure can limit the clamp main body to generate elastic deformation along the radial direction of the leaky cable; the auxiliary clamp comprises an auxiliary clamp seat and an auxiliary clamp cover, the auxiliary clamp seat and the auxiliary clamp cover are matched to form the auxiliary clamp groove, and the auxiliary clamp seat and the auxiliary clamp cover can both generate elastic deformation along the radial direction of the leaky cable.
In an embodiment of the present invention, a first elastic portion is disposed in the auxiliary slot, and the first elastic portion can elastically deform along a radial direction of the leaky cable.
In an embodiment of the present invention, a second elastic portion is disposed in the main slot, the second elastic portion and the first elastic portion are located on the same side of the leaky cable and are opposite to the support bracket, the second elastic portion can also elastically deform along a radial direction of the leaky cable, and elasticity of the first elastic portion is greater than that of the second elastic portion.
In an embodiment of the invention, the rigid structure includes a rigid frame within which the fixture body is mounted, the rigid frame being secured to the support frame and supporting the fixture body.
In an embodiment of the invention, the rigid frame includes a support housing and a first connecting member, the support housing has a support bottom plate and two opposite side plates, the two side plates are connected to two ends of the support bottom plate, one side plate is connected to the support bracket in an attached manner, the fixture main body is supported on the support bottom plate, and the first connecting member sequentially passes through one side plate, the fixture main body and the other side plate and then is connected to the support bracket.
In an embodiment of the invention, the fixture main body comprises a lower cover plate, an upper cover plate and two support plates, one support plate is connected with the outer side surface of the lower cover plate and abuts against the side plate on the bearing support through the first connecting piece, the other support plate is connected with the outer side surface of the upper cover plate and abuts against the other side plate through the first connecting piece, one end of the lower cover plate is hinged with one end of the upper cover plate, and the other end of the lower cover plate is connected with the other end of the upper cover plate through the first connecting piece and forms the main clamping groove in a matching manner.
In an embodiment of the invention, two second elastic pieces are arranged on the inner side surface of the upper cover plate, and the two second elastic pieces can generate elastic deformation along the radial direction of the leaky cable and press the leaky cable towards the bearing support.
In an embodiment of the invention, the auxiliary card holder comprises an outer bottom plate and two inner bottom plates, one end of the outer bottom plate is hinged with one end of the auxiliary card cover, the other end of the outer bottom plate is connected with the other end of the auxiliary card cover in a buckling manner, two ends of the two inner bottom plates are connected with the inner side surface of the outer bottom plate, the inner side surfaces of the two inner bottom plates and the inner side surface of the auxiliary card cover are matched to form the auxiliary card slot, a reinforcing part is arranged on the inner side surface of the outer bottom plate and is positioned between the two inner bottom plates, and the reinforcing part is connected with the supporting bracket through a second connecting piece.
In the implementation mode of the invention, the outer bottom plate is a polygonal plate, the inner bottom plate is an arc-shaped plate, and the arc-shaped plate is matched with the leaky cable.
In an embodiment of the invention, two first elastic pieces are arranged on the inner side surface of the auxiliary clamping cover, and the two first elastic pieces can generate elastic deformation along the radial direction of the leaky cable and press the leaky cable in the auxiliary clamping groove towards the bearing support.
In an embodiment of the present invention, the auxiliary clamping cover includes an outer cover plate and an inner cover plate, one end of the outer cover plate is hinged to one end of the outer bottom plate, the other end of the outer cover plate is connected to the other end of the outer bottom plate in a clamping manner, two ends of the inner cover plate are connected to an inner side surface of the outer cover plate, an inner side surface of the inner cover plate is matched with inner side surfaces of the two inner bottom plates to form the auxiliary clamping groove, and the two first elastic pieces are disposed on the inner side surface of the inner cover plate.
In an embodiment of the invention, the outer cover plate and the inner cover plate are both polygonal plates, the inner side surface of the inner cover plate is provided with two side arc surfaces, the two side arc surfaces are symmetrically arranged relative to the two first elastic sheets and matched with the inner side surface of the inner base plate to form a clamping surface attached to the leaky cable.
The invention also provides a leaky cable bearing system which is used for bearing at least one leaky cable and comprises a plurality of leaky cable clamp mechanisms and at least one catenary cable, wherein the leaky cable clamp mechanisms are distributed at intervals along the axial direction of the leaky cable, the catenary cable and the leaky cable are arranged in parallel, the catenary cable is connected with the outer wall surface of the leaky cable, and two ends of at least one catenary cable are connected with the mounting wall body of the leaky cable.
In the implementation mode of the invention, the number of the carrier cables is two, the two carrier cables are symmetrically arranged relative to the axis of the leaky cable, the two carrier cables are respectively a main carrier cable and an auxiliary carrier cable, the diameter of the auxiliary carrier cable is smaller than that of the main carrier cable, and the arrangement directions of the main carrier cable and the auxiliary carrier cable are set according to the signal radiation direction of the leaky cable.
In an embodiment of the present invention, each of the main fixture and the auxiliary fixture is provided with a corresponding catenary clamping groove, the catenary clamping groove on the main fixture is communicated with the main clamping groove, the catenary clamping groove on the auxiliary fixture is communicated with the auxiliary clamping groove, and the main catenary is clamped in the catenary clamping groove.
In the implementation mode of the invention, the main carrier cable is made of a steel strand, and two ends of the main carrier cable are connected with the mounting wall body through a steel cable fixing structure; the auxiliary carrier cable is made of a steel strand, and two ends of the auxiliary carrier cable are also connected with the mounting wall body through a steel cable fixing structure; or the auxiliary carrier cable is made of a fiber reinforced composite material, and two ends of the auxiliary carrier cable are arranged in a suspended mode.
In the implementation mode of the invention, an outer sheath is sleeved on the leaky cable, two penetrating channels are arranged on the outer sheath, and two carrier cables penetrate through the two penetrating channels.
In the embodiment of the invention, the arrangement distance between the plurality of leaky cable clamp mechanisms is 2-35 m.
In an embodiment of the present invention, the drop cable carrying system includes at least one intermediate clamp, the intermediate clamp is located between two adjacent drop cable clamp mechanisms, and the intermediate clamp is connected to the mounting wall body and clamps the drop cable.
In an embodiment of the invention, the distance between the middle fixture and two adjacent leaky cable fixture mechanisms is not less than 2 m.
In an embodiment of the present invention, the leakage cable carrying system is configured to carry at least two leakage cables, and the corresponding middle fixtures on the at least two leakage cables are connected to the installation wall body through an auxiliary supporting bracket.
The invention has the characteristics and advantages that:
according to the leaky cable clamp mechanism and the leaky cable bearing system, the leaky cable is suspended and fixed through the carrier cables which are arranged in parallel to the axial direction of the leaky cable, axial displacement of the leaky cable under the action force of the tunnel wind tunnel effect is reduced or eliminated, and the leaky cable is clamped and fixed through the leaky cable clamp mechanisms which are distributed at intervals along the axial direction of the leaky cable, so that the bearing requirement of the leaky cable is met, the installation number of the leaky cable clamp mechanisms is effectively reduced compared with the number of clamps required by the installation of the leaky cable at present, and the influence on the structural strength of an installation wall body due to the excessive number of holes on the installation wall body is avoided; in addition, the leaky cable clamp mechanism is connected with the installation wall body through the supporting bracket, the main clamp on the supporting bracket is matched with the auxiliary clamps on the two sides of the supporting bracket to clamp the leaky cable, when the leaky cable is vibrated by external force load, the leaky cable swings relative to the supporting bracket by utilizing the elastic deformation of the auxiliary clamps on the two sides of the main clamp, thereby playing the role of buffering and shock absorption, avoiding the looseness of the bearing bracket caused by the influence of the shock on the stress between the bearing bracket and the mounting wall body, and keeping the main clamp fixed relative to the bearing bracket all the time, and the auxiliary clamp also reduces or eliminates the influence of vibration on the stress between the main clamp and the leaky cable, ensures that the leaky cable is not loosened, effectively improves the safety performance, meanwhile, vibration of the part of the leaky cable clamped by the main clamp is reduced, so that the main clamp can apply larger clamping force to the leaky cable, and axial displacement of the leaky cable generated under the action force of the tunnel wind tunnel effect is further reduced or eliminated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the leaky cable clamp mechanism of the invention.
Fig. 2 is a schematic structural view of the master clamp of the present invention.
Fig. 3 is a schematic structural view of the auxiliary fixture of the present embodiment of the present invention.
Fig. 4 is a schematic structural view of an auxiliary fixture according to another embodiment of the present invention.
Fig. 5 is a schematic structural view of a leaky cable according to the present invention.
Fig. 6 is a schematic structural diagram of a leaky cable loading system according to the embodiment of the invention.
FIG. 7 is a schematic view of the structure of the intermediate clamp of the present embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a leaky cable carrying system according to another embodiment of the invention.
Fig. 9 is a schematic structural diagram of a leaky cable loading system according to yet another embodiment of the invention.
In the figure:
100. leaking cables; 101. an inner conductor; 102. an insulating layer; 103. an outer conductor; 104. an outer sheath;
200. a catenary cable; 21. a main carrier cable; 22. an auxiliary messenger; 23. a carrier cable slot; 23' carrier cable clamping groove;
300. a leaky cable clamp mechanism;
310. a main fixture; 311. a fixture body; 3111. an upper cover plate; 3112. a lower cover plate; 3113. a support plate; 3114. a main card slot; 3115. a second elastic part; 3116. a second elastic sheet; 3117. a first connecting plate; 312. a rigid structure; 3121. a rigid frame; 3122. a support housing; 3123. a bearing bottom plate; 3124. a side plate; 3125. a first connecting member;
320. an auxiliary fixture; 321. an auxiliary card holder; 3211. an inner bottom plate; 3212. an outer base plate; 3213. an upper end plate; 322. an auxiliary card cover; 322', an auxiliary card cover; 3221. an inner cover plate; 3222. an outer cover plate; 3223. a lower end plate; 3224. a lower support plate; 323. an auxiliary card slot; 324. a first elastic part; 325. a first spring plate; 326. a reinforcing portion; 327. a second connecting plate; 328. chamfering; 329. a barb; 3291. a first barb; 3292. a second barb; 3293. clamping holes;
330. a supporting bracket; 331. a second connecting member; 332. a third connecting member;
400. an intermediate clamp; 401. a fourth connecting member; 402. a sixth connecting member; 403. an auxiliary bearing support; 500. a steel cable fixing structure; 501. pulling a climbing ring; 502. a turnbuckle; 503. a chicken heart ring; 504. a U-shaped card; 600. and (5) mounting the wall body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Implementation mode one
As shown in fig. 1, 6 and 8, the present invention provides a leaky cable clamping apparatus mechanism 300, which includes a support bracket 330, a main clamping apparatus 310 and at least two auxiliary clamping apparatuses 320, wherein the support bracket 330 is fixed on an installation wall 600 of a leaky cable 100, the main clamping apparatus 310 and the at least two auxiliary clamping apparatuses 320 are both fixed on the support bracket 330, the at least two auxiliary clamping apparatuses 320 are arranged on two sides of the main clamping apparatus 310 at intervals, the main clamping apparatus 310 is provided with a main clamping groove 3114, the auxiliary clamping apparatus 320 is provided with an auxiliary clamping groove 323, at least three portions of the leaky cable 100 are clamped in the main clamping groove 3114 and the at least two auxiliary clamping grooves 323, the at least two auxiliary clamping apparatuses 320 can generate elastic deformation under a state that the leaky cable 100 vibrates, so as to have a shock absorption and buffering effect, and the main clamping apparatus 310 is fixed relative to the support bracket 330 under a state that the leaky cable 100 vibrates.
The leaky cable clamp mechanism 300 is connected with the installation wall body 600 through the supporting bracket 330, the main clamp 310 on the supporting bracket 330 is matched with the auxiliary clamps 320 on two sides of the supporting bracket to clamp the leaky cable 100, when the leaky cable 100 is vibrated due to external load, the auxiliary clamps 320 on two sides of the main clamp 310 are swung relative to the supporting bracket 330 by using elastic deformation of the auxiliary clamps 320 on two sides of the main clamp 310, so that the buffer and shock absorption effects are achieved, the situation that the supporting bracket 330 is loosened due to the influence of vibration on the stress between the supporting bracket 330 and the installation wall body 600 is avoided, the main clamp 310 is always fixed relative to the supporting bracket 330, the influence of vibration on the stress between the main clamp 310 and the leaky cable 100 can be reduced or eliminated by the auxiliary clamps 320, the leaky cable 100 is prevented from being loosened, the safety performance is effectively improved, and meanwhile, the vibration of the part clamped by the main clamp 310 of the leaky cable 100 is reduced, so that the main clamp 310 can apply larger clamping force to the leaky cable 100, further reducing or eliminating axial displacement of the leaky cable 100 under the action of the tunnel wind tunnel effect.
Specifically, at least two auxiliary clamps 320 are symmetrically or asymmetrically disposed with respect to the main clamp 310 as a center. The installation wall 600 is a wall in a tunnel. The support bracket 330 is generally a slotted plate structure. The support bracket 330 is fixed to the mounting wall 600 by two third connecting members 332. the third connecting members 332 are located between the main fixture 310 and the auxiliary fixture 320. In this embodiment, two waist-shaped mounting holes are formed in the support bracket 330. The third connecting member 332 is an expansion screw. The support bracket 330 is fixed to the mounting wall 600 by drilling two holes in the mounting wall 600, implanting two expansion screws into the mounting wall 600 through the two holes, fitting the two waist-shaped mounting holes of the support bracket 330 over the two expansion screws, and finally tightening the expansion screws with nuts. Therefore, each leaky cable clamp mechanism 300 can complete the installation of three clamps (i.e. the main clamp 310 and the two auxiliary clamps 320) only by punching two holes in the installation wall body 600, and the number of the punched holes in the installation wall body 600 is reduced to a certain extent. Optionally, the support bracket and the mounting wall body may also be fixedly connected by other connecting members.
As shown in fig. 1, in the embodiment of the present invention, the main clamp 310 includes a clamp body 311 and a rigid structure 312, the main clamp groove 3114 is disposed on the clamp body 311, the clamp body 311 is connected to the support bracket 330 through the rigid structure 312, and the rigid structure 312 can limit the clamp body 311 from elastically deforming in the radial direction of the leaky cable 100; the auxiliary clamp 320 includes an auxiliary clamp seat 321 and an auxiliary clamp cover 322, the auxiliary clamp seat 321 and the auxiliary clamp cover 322 cooperate to form an auxiliary clamp groove 323, and both the auxiliary clamp seat 321 and the auxiliary clamp cover 322 can generate elastic deformation along the radial direction of the leaky cable 100.
Specifically, the installation wall body 600 is a vertical wall body, the leaky cable 100 is suspended and fixed on the installation wall body 600 through the carrier cable 200, the leaky cable 100 vibrates in any radial direction of the leaky cable 100 when being subjected to external load, and the elastic deformation is adaptively carried out through the auxiliary clamping seat 321 and the auxiliary clamping cover 322, so that the effect of damping and buffering is achieved, and the phenomenon that the acting force during the vibration of the leaky cable 100 is transmitted to the bearing support 330 to cause the looseness between the bearing support 330 and the installation wall body 600 is avoided. In this embodiment, the auxiliary fixture 320 is provided with a bending structure, so that the auxiliary fixture has a certain elastic deformation capability. Optionally, the auxiliary fixture is made of a material with elasticity, so that the auxiliary fixture has the capability of elastic deformation. Optionally, the auxiliary clamp is an elastic ribbon, a rubber bandage, an elastic clamp holder, or the like. In this embodiment, the rigid structure is made of a metal plate which is not easy to deform and has high strength, so that the fixture main body is limited to generate elastic deformation.
As shown in FIG. 2, in an embodiment of the invention, the rigid structure 312 includes a rigid frame 3121, the clamp body 311 is mounted within the rigid frame 3121, and the rigid frame 3121 is secured to the support frame 330 and supports the clamp body 311. The rigid frame 3121 supports the periphery of the jig main body 311, and restricts the jig main body 311 from elastically deforming in any radial direction of the leaky cable 100, thereby ensuring that the main jig 310 is stable in a state where the leaky cable 100 vibrates. In particular, the rigid frame 3121 is generally a square metal frame structure.
The rigid frame 3121 includes a supporting housing 3122 and a first connecting member 3125, the supporting housing 3122 has a supporting bottom plate 3123 and two opposite side plates 3124, the two side plates 3124 are connected with two ends of the supporting bottom plate 3123, one side plate 3124 is connected with the bearing support 330 in a fitting manner, the fixture main body 311 is supported on the supporting bottom plate 3123, and the first connecting member 3125 is connected with the bearing support 330 after sequentially passing through the one side plate 3124, the fixture main body 311 and the other side plate 3124. The fixture main body 311 is supported by the support bottom plate 3123, the two sides of the fixture main body 311 are supported by the two side plates 3124, and the fixture main body 311, the support housing 3122 and the support bracket 330 are integrally connected by the first connecting member 3125, so as to ensure that the main fixture 310 is stable in a vibration state of the leaky cable 100. In addition, the first connecting member 3125 is horizontally disposed above the leaky cable 100, so that the fastening force of the first connecting member 3125 is not affected by the weight of the leaky cable 100, and it is ensured that the first connecting member 3125 pulls the two side plates 3124, the jig main body 311, and the support bracket 330 in the axial direction thereof. Specifically, the supporting housing 3122 is substantially a U-shaped housing, and the first connecting member 3125 passes through two ends of the U-shaped housing and blocks the opening of the U-shaped housing. When the leaky cable 100 is installed, the leaky cable 100 is firstly clamped into the main clamping groove 3114 of the clamp main body 311, then the clamp main body 311 is placed in the support housing 3122, then the first connecting piece 3125 is installed but not screwed until the two ends of at least one catenary wire 200 are fixed on the installation wall body 600 and the leaky cable 100 is straightened, and then the first connecting piece 3125 is screwed, so that the leaky cable 100 is clamped in the main clamping groove 3114.
As shown in fig. 2, the fixture body 311 includes a lower cover plate 3112, an upper cover plate 3111 and two supporting plates 3113, one supporting plate 3113 is connected to the outer side surface of the lower cover plate 3112 and abuts against the side plate 3124 of the supporting bracket 330 through a first connecting member 3125, the other supporting plate 3113 is connected to the outer side surface of the upper cover plate 3111 and abuts against the other side plate 3124 through the first connecting member 3125, one end of the lower cover plate 3112 is hinged to one end of the upper cover plate 3111, and the other end of the lower cover plate 3112 is connected to the other end of the upper cover plate 3111 through the first connecting member 3125 and forms a main slot 3114 in cooperation. A main clamping groove 3114 matched with the leaky cable 100 is formed by matching the lower cover plate 3112 with the upper cover plate 3111, so that the leaky cable 100 is stably clamped in the main clamping groove 3114; by arranging a supporting plate 3113 on the outer side surfaces of the lower cover plate 3112 and the upper cover plate 3111, the fixture main body 311 can abut against the two side plates 3124 of the rigid frame 3121, and meanwhile, the lower cover plate 3112 and the upper cover plate 3111 can be limited from being elastically deformed in a vibration state of the leaky cable 100, so that the structural stability of the whole main fixture 310 is ensured. Specifically, the lower cover plate 3112 is hinged to the upper cover plate 3111 through a latch. The outer side of the lower cover plate 3112 is connected to the inner side of the support plate 3113, and the outer side of the upper cover plate 3111 is connected to the inner side of the support plate 3113 through a first connection plate 3117, so that the structural strength of the fixture body 311 is further improved.
As shown in fig. 3, in this embodiment, the auxiliary card holder 321 includes an outer bottom plate 3212 and two inner bottom plates 3211, the auxiliary card cover 322 includes an outer cover plate 3222 and an inner bottom plate 3221, one end of the outer cover plate 3222 is hinged to one end of the outer bottom plate 3212, the other end of the outer cover plate 3222 is connected to the other end of the outer bottom plate 3212 in a snap-fit manner, two ends of the two inner bottom plates 3211 are connected to an inner side surface of the outer bottom plate 3212, two ends of the inner bottom plate 3221 are connected to an inner side surface of the outer cover plate 3222, the inner side surfaces of the two inner bottom plates 3211 and the inner side surface of the inner bottom plate 3221 are matched to form an auxiliary card slot 323, a reinforcing part 326 is disposed on the inner side surface of the outer bottom plate 3212, the reinforcing part 326 is disposed between the two inner bottom plates 3211, and the reinforcing part 326 is connected to the supporting bracket 330 through a second connecting part 331. An auxiliary clamping groove 323 matched with the leaky cable 100 is formed by the two inner bottom plates 3211 and the inner cover plate 3221, so that the leaky cable 100 is stably clamped in the auxiliary clamping groove 323, an outer cover plate 3222 is connected to the outer side of the inner cover plate 3221, and an outer bottom plate 3212 is connected to the outer sides of the two inner bottom plates 3211, thereby improving the structural strength of the auxiliary clamping seat 321 and the auxiliary clamping cover 322.
Specifically, the top end of the outer cover plate 3222 is hinged to the top end of the outer bottom plate 3212 through a pin, the bottom end of the outer cover plate 3222 is provided with a barb 329, the bottom end of the outer bottom plate 3212 is provided with a pawl 328 matched with the barb 329, the leakage cable 100 is located above the barb 329 and the pawl 328, and the auxiliary cover 322 has an opening tendency under the action of gravity of the leakage cable 100, so that the barb 329 hooks the pawl 328 tightly.
As shown in fig. 3, the outer cover plate 3222 and the outer bottom plate 3212 are both polygonal plates, the inner bottom plate 3211 is an arc-shaped plate, the inner cover plate 3221 is a polygonal plate, the inner side surface of the inner cover plate 3221 has two side arc surfaces, and the two side arc surfaces and the inner side surface of the inner bottom plate 3211 cooperate to form a clamping surface attached to the leaky cable 100. Compared with an arc-shaped plate, the polygonal plate has certain elastic deformation capacity and higher structural strength. Because the outer bottom plate 3212 has the reinforcing part 326, and is connected with the bearing support 330 through the second connecting part 331, the structural strength of the auxiliary clamping seat 321 is improved to a certain extent, therefore, only the outer bottom plate 3212 needs to be set into a polygonal plate, and the inner bottom plate 3211 is set into an arc plate, when the structural strength of the auxiliary clamping seat 321 is further improved, a larger clamping force can be applied to the leaky cable 100 through the arc plate, and the elastic deformation capacity of the auxiliary clamping seat 321 meets the requirement, and the auxiliary clamping cover 322 is not connected with the bearing support 330, therefore, by setting the outer cover plate 3222 and the inner cover plate 3221 into polygonal plates, when the structural strength of the auxiliary clamping cover 322 itself is improved, the elastic deformation capacity of the auxiliary clamping cover 322 meets the requirement.
Specifically, the outer cover 3222, the outer bottom plate 3212, and the inner cover 3221 are generally plate bodies having a plurality of bent portions, and thus have elastic deformability. The outer cover 3222 and the outer base plate 3212 cooperate to form a substantially equilateral hexagon that is elastically deformable in a plurality of radial directions of the leaky cable 100. The inner side surface of the outer cover plate 3222 is connected with the outer side surface of the inner cover plate 3221, and the inner side surface of the outer bottom plate 3212 is connected with the outer side surface of the inner bottom plate 3211 through the second connecting plate 327, so that the structural strength of the self-body is further improved.
Since the auxiliary card cover 322 'is located above the leaky cable 100 and the auxiliary card seat 321 is located below the leaky cable 100, the leaky cable 100 needs to be supported, and therefore, the requirement for the structural strength of the auxiliary card cover 322' is lower than that of the auxiliary card seat 321. In another embodiment, as shown in fig. 4, the auxiliary card cover 322' is a single cover structure. The auxiliary clamping seat 321 comprises an outer bottom plate 3212 and two inner bottom plates 3211, one end of the outer bottom plate 3212 is hinged to one end of an auxiliary clamping cover 322 ', the other end of the outer bottom plate 3212 is connected with the other end of the auxiliary clamping cover 322 ', two ends of the two inner bottom plates 3211 are connected with the inner side surface of the outer bottom plate 3212, the inner side surfaces of the two inner bottom plates 3211 and the inner side surface of the auxiliary clamping cover 322 ' are matched to form an auxiliary clamping groove 323, a reinforcing part 326 is arranged on the inner side surface of the outer bottom plate 3212, the reinforcing part 326 is located between the two inner bottom plates 3211, and the reinforcing part 326 is connected with the bearing support through a second connecting piece.
Specifically, the outer bottom plate 3212 is a polygonal plate, the inner bottom plate 3211 is an arc-shaped plate, and the arc-shaped plate is matched with the leaky cable 100. The inner side surface of the auxiliary clamping cover 322' is provided with two first elastic sheets 325, and the two first elastic sheets 325 can generate elastic deformation along the radial direction of the leaky cable 100 and press the leaky cable 100 in the auxiliary clamping groove 323 towards the supporting bracket. In addition, because the auxiliary card cover 322 'is an arc plate structure partially attached to the leaky cable 100, in order to increase the area of the clamping surface of the auxiliary card 320 attached to the leaky cable 100, the auxiliary card seat 321 is provided with an upper end plate 3213, the upper end plate 3213 is connected to an inner bottom plate 3211, the inner side surface of the auxiliary card cover 322' is provided with a lower end plate 3223 arranged opposite to the upper end plate 3213, and the inner side surfaces of the two inner bottom plates 3211, the inner side surface of the lower end plate 3223, the inner side surface of the upper end plate 3213 and the inner side surfaces of the two first elastic pieces 325 are matched together to form the clamping surface attached to the leaky cable 100. The inner side surface of the auxiliary clamp cover 322 'is also provided with a lower support plate 3224 for supporting the lower end plate 3223, and the lower support plate 3224 cooperates with one end of the auxiliary clamp seat 321 to form an messenger wire groove 23' for clamping a messenger wire 200. One end of the upper end plate 3213 is a free end, so that the upper end plate 3213 also has a certain elastic deformation capability in the radial direction of the leaky cable 100, thereby playing a role in damping. The upper end plate 3213 cooperates with the other end of the auxiliary socket 321 to form a further messenger channel 23 for retaining a further messenger wire 200. The top end of the outer cover plate is hinged with the top end of the auxiliary clamping cover 322 ' through a bolt, the bottom end of the auxiliary clamping cover 322 ' is provided with a first barb 3291 and a clamping hole 3293, the bottom end of the outer bottom plate 3212 is provided with a pawl 328 matched with the first barb 3291 and a second barb 3292 used for passing through the clamping hole 3293 and hooking the auxiliary clamping cover 322 ', and the auxiliary clamping cover 322 ' has a tendency of opening under the gravity action of the leaky cable 100, so that the first barb 3291 hooks the pawl 328 tightly and the second barb 3292 hooks the auxiliary clamping cover 322 '.
As shown in fig. 1, in the embodiment of the present invention, a second elastic portion 3115 is disposed in the main slot 3114, a first elastic portion 324 is disposed in the auxiliary slot 323, the second elastic portion 3115 and the first elastic portion 324 are located on the same side of the leaky cable 100 and are opposite to the supporting bracket 330, the second elastic portion 3115 and the first elastic portion 324 can generate elastic deformation along the radial direction of the leaky cable 100, and the elasticity of the first elastic portion 324 is greater than that of the second elastic portion 3115. By arranging the second elastic part 3115 in the main slot 3114 and the first elastic part 324 in the auxiliary slot 323, and the first elastic part 324 has a larger elasticity, when the external load on the leaky cable 100 is smaller and a small amplitude vibration is generated, the first elastic part 324 adaptively deforms to play a role in damping and buffering, when the external load on the leaky cable 100 is larger and a large amplitude vibration is generated, the first elastic part 324 is combined with the auxiliary card seat 321 and the auxiliary card cover 322 to adaptively deform to play a role in damping and buffering, and meanwhile, due to the larger external load on the leaky cable 100, a small amplitude vibration is generated at a position where the leaky cable 100 is clamped by the main card 310, so the second elastic part 3115 adaptively deforms to play a role in damping and buffering, and the leaky cable 100 is prevented from being damaged by rubbing against the inner wall surface of the main slot 3114 and the inner wall surface of the auxiliary slot 323 during vibration, further, the leakage cable 100 can be pressed and fixed to the support bracket 330 by the elastic force of the second elastic portion 3115 and the first elastic portion 324.
Specifically, as shown in fig. 2 and 3, the second elastic portion 3115 includes two second elastic pieces 3116. The two second elastic pieces 3116 are connected to the inner side of the upper cover plate 3111, and the two second elastic pieces 3116 press the leaky cable 100 towards the support bracket 330. The first elastic portion 324 includes two first elastic pieces 325. The two first elastic sheets 325 are connected with the inner side surface of the inner cover plate 3221, and the two first elastic sheets 325 press the leaky cable 100 in the auxiliary clamping groove 323 towards the supporting bracket 330.
Optionally, under the scene that the external force load that the leaky cable received is less and can not produce vibrations by a wide margin, only set up first elastic part in supplementary draw-in groove, when the leaky cable vibrations, utilize first elastic part and supplementary fixture to unite the shock attenuation cushioning effect, make and can not produce relative displacement between leaky cable and the main fixture, also the position that the leaky cable was held by the main fixture can not vibrate in the main draw-in groove, consequently, need not to set up second elastic part in the main draw-in groove of main fixture.
Second embodiment
The invention also provides a leaky cable bearing system which is used for bearing at least one leaky cable 100 and comprises a plurality of leaky cable clamp mechanisms 300 and at least one catenary cable 200, wherein the leaky cable clamp mechanisms 300 are distributed at intervals along the axial direction of the leaky cable 100, the catenary cable 200 is arranged in parallel with the leaky cable 100, the catenary cable 200 is connected with the outer wall surface of the leaky cable 100, and two ends of at least one catenary cable 200 are connected with the mounting wall body 600 of the leaky cable 100. The structure, the operation principle and the beneficial effects of the leaky cable clamp mechanism 300 in this embodiment are the same as those of the leaky cable clamp mechanism 300 in the first embodiment, and are not described herein again.
According to the leaky cable bearing system, the leaky cable 100 is suspended and fixed through the carrier cables 200 which are arranged in parallel to the axial direction of the leaky cable 100, so that axial displacement generated under the tunnel wind tunnel effect of the leaky cable 100 is reduced or eliminated, meanwhile, the leaky cable 100 is clamped and fixed through the plurality of leaky cable clamp mechanisms 300 which are arranged at intervals along the axial direction of the leaky cable 100, so that the bearing requirement of the leaky cable 100 is met, in addition, compared with the number of clamps required by the installation of the leaky cable 100 at present, the installation number of the leaky cable clamp mechanisms 300 is effectively reduced, and the influence on the structural strength of the installation wall body 600 caused by the excessive number of holes on the installation wall body 600 is avoided.
As shown in fig. 5, in the embodiment of the present invention, the number of the messenger wires 200 is two, two messenger wires 200 are symmetrically arranged with respect to the axis of the leaky cable 100, the two messenger wires 200 are the main messenger wire 21 and the auxiliary messenger wire 22, respectively, the diameter of the auxiliary messenger wire 22 is smaller than that of the main messenger wire 21, and the arrangement directions of the main messenger wire 21 and the auxiliary messenger wire 22 are set according to the signal radiation direction of the leaky cable 100. Through setting up main messenger wire 21, hang fixedly with leaking cable 100, through setting up supplementary messenger wire 22, play supplementary bearing and prevent leaking the effect that cable 100 swung to supplementary messenger wire 22's diameter is less, and weight is lighter, thereby reduces leaking the weight of cable bearing system, reduces the influence that its weight caused the degree of sagging after leaking cable 100 installation. In addition, because the signal radiation of the leaky cable 100 has directionality, the installation direction of the leaky cable 100 can be conveniently judged during construction by utilizing the different diameters of the main messenger wire 21 and the auxiliary messenger wire 22. Specifically, the leaky cable 100 is suspended and fixed below the main messenger wire 21, and the auxiliary messenger wire 22 is located below the leaky cable 100. Optionally, the main messenger and the auxiliary messenger are arranged asymmetrically with respect to the axis of the leaky cable. Optionally, the leaky cable carrying system comprises three or more self-supporting cables connected to the leaky cable.
As shown in fig. 2, 3 and 4, the main fixture 310 and the auxiliary fixture 320 are provided with a corresponding messenger wire slot 23, the messenger wire slot 23 on the main fixture 310 is communicated with the main slot 3114, the messenger wire slot 23 on the auxiliary fixture 320 is communicated with the auxiliary slot 323, and the main messenger wire 21 is held in the messenger wire slot 23. Optionally, the main fixture and the auxiliary fixture are further provided with another corresponding catenary clamping groove to clamp the auxiliary catenary.
Referring to fig. 6, in this embodiment, the main carrier cable 21 is made of a steel strand, and two ends of the main carrier cable 21 are connected to the installation wall 600 through the cable fixing structure 500. The auxiliary carrier cable 22 is made of stranded steel wire, and both ends of the auxiliary carrier cable 22 are also connected with the mounting wall body 600 through the steel cable fixing structure 500. Specifically, the cable fixing structure 500 includes a pull ring 501, a turnbuckle 502, a heart ring 503, and a U-shaped clip 504. The pull tab ring 501 is fixed on the mounting wall body 600, then the two ends of the turnbuckle 502 are connected with the heart-shaped ring 503 and the pull tab ring 501, then one end of the steel strand is wound into a connecting ring and is clamped tightly by the U-shaped clamp 504, then the heart-shaped ring 503 is buckled into the connecting ring, and finally the turnbuckle 502 is screwed tightly to straighten the carrier cable 200. The main carrier cable 21 adopts a steel strand with the structure of 1 × 3, 1 × 7 or 1 × 19 and the nominal diameter of 3 mm-13.0 mm, and meets the requirement that the minimum breaking tension is not less than 6.46 kN; the auxiliary carrier cable 22 adopts a steel strand with the structure of 1 x 3 or 1 x 7 or 1 x 19 and the nominal diameter of 3 mm-13.0 mm, and meets the requirement that the minimum breaking tension is not less than 6.46 kN. Optionally, the two ends of the self-supporting cable are connected to the mounting wall by other connection means.
Referring to fig. 8, in another embodiment, the main messenger 21 is made of stranded steel wire, and the two ends of the main messenger 21 are connected to the mounting wall 600 by cable fixing structures 500. The material of the auxiliary messenger 22 is a fibre reinforced composite (FRP) material, with the ends of the auxiliary messenger 22 suspended (not shown in fig. 8). Because the specific strength of the fiber reinforced composite material is high, tensioning is not needed, the corrosion resistance and the durability are good, and the weight of the leakage cable bearing system can be reduced. The auxiliary carrier cable 22 is a fibre reinforced composite wire with a diameter of 3 mm-13.0 mm. Alternatively, the auxiliary messenger may also be made of other materials that perform a function similar to that of the fiber-reinforced composite wire.
As shown in fig. 5, the leaky cable 100 is sleeved with an outer sheath 104, the outer sheath 104 is provided with two through passages, and the two messenger wires 200 are arranged in the two through passages. The leaky cable 100 is an integrated leaky cable. The leaky cable 100 comprises an inner conductor 101, an insulating layer 102 and an outer conductor 103 from inside to outside. The outer conductor 103 is a copper strip with radiating slots, and the radiating slots are staggered with the two carrier cables 200, so that the carrier cables 200 are prevented from influencing the radiation signals of the leaky cable 100. The insulating layer 102 is a polyethylene foam layer. The outer sheath 104 is sleeved on the outer conductor 103, and the outer sheath 104 is made of polyethylene material. Optionally, an LED lamp strip is embedded in the penetrating channel, and one end of the LED lamp strip is connected with a direct current power supply module, so that the leaking cable can be conveniently overhauled.
The arrangement distance between the plurality of leaky cable clamp mechanisms 300 is 2-35 m. The arrangement distance between the plurality of leaky cable clamp mechanisms 300 is determined according to factors such as the length of the leaky cable 100, the diameter of the leaky cable 100, and the wind load of an installation scene, for example, the wind load in a road tunnel and a railway tunnel is different due to different running speeds of automobiles and trains, so that the installation density of the leaky cable clamp mechanisms 300 is different. Preferably, the arrangement distance among the plurality of leaky cable clamp mechanisms is 10-35 m.
As shown in fig. 6, 8 and 9, in the embodiment of the invention, the drop cable support system comprises at least one intermediate clamp 400, the intermediate clamp 400 is located between two adjacent drop cable clamp mechanisms 300, and the intermediate clamp 400 is connected to the mounting wall 600 and clamps the drop cable 100. Through the cooperation of the middle clamp 400 and the leaky cable clamp mechanism 300, the bearing capacity requirement of a leaky cable bearing system is met, and meanwhile, the number of the leaky cable clamp mechanisms 300 can be reduced, so that the punching number of the installation wall body 600 is further reduced. Specifically, as shown in fig. 3 and 6, the structure of the intermediate clamp 400 is the same as that of the auxiliary clamp 320, and thus, the description thereof is omitted.
As shown in fig. 7, in the present embodiment, the middle fixture 400 is connected to the mounting wall body 600 through a fourth connector 401, and as shown in fig. 1, the fourth connector 401 is the same as the third connector 332, which is not described herein again. The installation of the middle clamp 400 requires only one hole to be drilled in the installation wall body 600, and the installation of the drop cable clamp mechanism 300 requires two holes to be drilled in the installation wall body 600, thereby further reducing the number of holes drilled in the installation wall body 600.
In yet another embodiment, as shown in fig. 9, the leaky cable carrying system is used for carrying at least two leaky cables 100, and the corresponding intermediate clamps 400 on at least two leaky cables 100 are connected with the installation wall body 600 through an auxiliary support bracket 403. Be connected through supplementary bearing support 403 to the middle fixture on two last leaky cables 100 for leaky cable bearing system links into an integrated entity with two piece at least leaky cables 100, and is more stable, has improved leaky cable bearing system's bearing capacity simultaneously, has reduced the quantity of punching of installation wall body 600. Specifically, at least two corresponding intermediate fixtures 400 are connected to the auxiliary support bracket 403 through a fifth connecting member, which is the same as the second connecting member 331 described above with reference to fig. 3, and thus, the description thereof is omitted. The auxiliary support bracket 403 is connected to the mounting wall 600 by a sixth connecting member 402. the sixth connecting member 402 is the same as the third connecting member 332, and will not be described again.
The distance between the middle fixture 400 and the two adjacent leaky cable fixture mechanisms 300 is not less than 2 m. The requirement on the bearing capacity of the leaky cable bearing system is met, and the excessive punching quantity on the installation wall body 600 caused by the fact that the middle fixture 400 and the leaky cable fixture mechanism 300 are installed too densely can be avoided.
The above description is only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (22)
1. The utility model provides a leaking cable fixture mechanism, its characterized in that includes bearing support, main fixture and two at least supplementary fixtures, the bearing support is fixed in on the installation wall body of leaking the cable, main fixture and at least two supplementary fixtures all are fixed in on the bearing support, and at least two supplementary fixtures interval arrange in the both sides of main fixture, main fixture is equipped with main draw-in groove, supplementary fixture is equipped with supplementary draw-in groove, the at least three position of leaking the cable is held by main draw-in groove and at least two in the supplementary draw-in groove, at least two supplementary fixtures are in can produce elastic deformation and possess the shock attenuation cushioning effect under the state of leaking the cable vibrations, main fixture is in the state of leaking the cable vibrations is for the bearing support is fixed.
2. A leaky cable clamp apparatus as claimed in claim 1,
the main clamp comprises a clamp main body and a rigid structure, the main clamping groove is formed in the clamp main body, the clamp main body is connected with the bearing support through the rigid structure, and the rigid structure can limit the clamp main body to elastically deform along the radial direction of the leaky cable;
the auxiliary clamping apparatus comprises an auxiliary clamping seat and an auxiliary clamping cover, the auxiliary clamping seat and the auxiliary clamping cover are matched to form the auxiliary clamping groove, and the auxiliary clamping seat and the auxiliary clamping cover can both generate elastic deformation along the radial direction of the leaky cable.
3. A leaky cable clamp apparatus as claimed in claim 2,
and a first elastic part is arranged in the auxiliary clamping groove and can generate elastic deformation along the radial direction of the leaky cable.
4. A leaky cable clamp apparatus as claimed in claim 3,
the main clamping groove is internally provided with a second elastic part, the second elastic part and the first elastic part are positioned on the same side of the leaky cable and are opposite to the bearing support, the second elastic part can also generate elastic deformation along the radial direction of the leaky cable, and the elasticity of the first elastic part is greater than that of the second elastic part.
5. A leaky cable clamp apparatus as claimed in claim 2,
the rigid structure comprises a rigid frame, the fixture main body is arranged in the rigid frame, and the rigid frame is fixed on the bearing support and supports the fixture main body.
6. A leaky cable clamp apparatus as claimed in claim 5,
the rigid frame comprises a supporting shell and a first connecting piece, the supporting shell is provided with a bearing bottom plate and two opposite side plates, the side plates are connected with two ends of the bearing bottom plate, the side plates are connected with the bearing support in an attached mode, the fixture main body is supported on the bearing bottom plate, and the first connecting piece penetrates through the side plates, the fixture main body and the other side plates in sequence and then is connected with the bearing support.
7. A leaky cable clamp apparatus as claimed in claim 6,
the fixture main body comprises a lower cover plate, an upper cover plate and two supporting plates, wherein one supporting plate is connected with the outer side surface of the lower cover plate and abuts against the side plate on the bearing support through a first connecting piece, the other supporting plate is connected with the outer side surface of the upper cover plate and abuts against the other side plate through the first connecting piece, one end of the lower cover plate is hinged with one end of the upper cover plate, and the other end of the lower cover plate is connected with the other end of the upper cover plate through the first connecting piece and forms the main clamping groove in a matched mode.
8. A leaky cable clamp apparatus as claimed in claim 7,
and two second elastic pieces are arranged on the inner side surface of the upper cover plate and can generate elastic deformation along the radial direction of the leaky cable and tightly press the leaky cable towards the bearing support.
9. A leaky cable clamp apparatus as claimed in any one of claims 1 to 8,
the auxiliary clamping seat comprises an outer bottom plate and two inner bottom plates, one end of the outer bottom plate is hinged to one end of the auxiliary clamping cover, the other end of the outer bottom plate is connected with the other end of the auxiliary clamping cover in a buckled mode, the two ends of the inner bottom plates are connected with the inner side face of the outer bottom plate, the inner side face of each inner bottom plate and the inner side face of the auxiliary clamping cover are matched to form the auxiliary clamping groove, a reinforcing portion is arranged on the inner side face of the outer bottom plate and located between the two inner bottom plates, and the reinforcing portion is connected with the bearing support through a second connecting piece.
10. A leaky cable clamp apparatus as claimed in claim 9,
the outer bottom plate is a polygonal plate, the inner bottom plate is an arc-shaped plate, and the arc-shaped plate is matched with the leaky cable.
11. A leaky cable clamp apparatus as claimed in claim 9,
the inner side surface of the auxiliary clamping cover is provided with two first elastic sheets, and the two first elastic sheets can generate elastic deformation along the radial direction of the leakage cable and compress the leakage cable in the auxiliary clamping groove towards the bearing support.
12. A leaky cable clamp apparatus as claimed in claim 11,
the auxiliary clamping cover comprises an outer cover plate and an inner cover plate, one end of the outer cover plate is hinged to one end of the outer bottom plate, the other end of the outer cover plate is connected with the other end of the outer bottom plate in a buckling mode, the two ends of the inner cover plate are connected with the inner side face of the outer cover plate, the inner side face of the inner cover plate is matched with the inner side face of the inner bottom plate to form the auxiliary clamping groove, and the first elastic piece is arranged on the inner side face of the inner cover plate.
13. A leaky cable clamp apparatus as claimed in claim 12,
the outer cover plate and the inner cover plate are both polygonal plates, the inner side face of the inner cover plate is provided with two side arc faces, the two side arc faces are symmetrically arranged relative to the two first elastic sheets and matched with the inner side face of the inner base plate to form a clamping face attached to the leaky cable.
14. A leaky cable carrying system for carrying at least one leaky cable, the leaky cable carrying system comprising a plurality of leaky cable clamp mechanisms according to any one of claims 1 to 13 and at least one messenger wire, the plurality of leaky cable clamp mechanisms being arranged at intervals in an axial direction of the leaky cable, the messenger wire being arranged in parallel with the leaky cable, the messenger wire being connected to an outer wall surface of the leaky cable, and both ends of at least one of the messenger wires being connected to the mounting wall body of the leaky cable.
15. Drop cable carrying system according to claim 14,
the number of the carrier cables is two, the two carrier cables are symmetrically arranged relative to the axis of the leaky cable, the two carrier cables are respectively a main carrier cable and an auxiliary carrier cable, the diameter of the auxiliary carrier cable is smaller than that of the main carrier cable, and the arrangement directions of the main carrier cable and the auxiliary carrier cable are arranged according to the signal radiation direction of the leaky cable.
16. Drop cable carrying system according to claim 15,
the main fixture and the auxiliary fixture are respectively provided with a corresponding catenary clamping groove, the catenary clamping groove on the main fixture is communicated with the main clamping groove, the catenary clamping groove on the auxiliary fixture is communicated with the auxiliary clamping groove, and the main catenary is clamped in the catenary clamping groove.
17. Drop cable carrying system according to claim 15,
the main carrier cable is made of a steel strand, and two ends of the main carrier cable are connected with the mounting wall body through a steel cable fixing structure;
the auxiliary carrier cable is made of a steel strand, and two ends of the auxiliary carrier cable are also connected with the mounting wall body through a steel cable fixing structure; or the auxiliary carrier cable is made of a fiber reinforced composite material, and two ends of the auxiliary carrier cable are arranged in a suspended mode.
18. Drop cable carrying system according to claim 15,
an outer sheath is sleeved on the leaky cable, two penetrating channels are arranged on the outer sheath, and the two carrier cables penetrate through the two penetrating channels.
19. Drop cable carrying system according to claim 14,
the arrangement distance among the leaky cable clamp mechanisms is 2-35 m.
20. Drop cable carrying system according to claim 14,
the leakage cable bearing system comprises at least one middle fixture, the middle fixture is positioned between two adjacent leakage cable fixture mechanisms, and the middle fixture is connected with the mounting wall body and clamps the leakage cable.
21. The leaky cable bearer system as claimed in claim 20,
and the distance between the middle fixture and the two adjacent leaky cable fixture mechanisms is not less than 2 m.
22. Drop cable carrying system according to claim 20,
the leakage cable bearing system is used for bearing at least two leakage cables, and the corresponding middle fixtures on the at least two leakage cables are connected with the mounting wall body through an auxiliary bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210611641.5A CN114696271B (en) | 2022-06-01 | 2022-06-01 | Leaky cable clamp mechanism and leaky cable bearing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210611641.5A CN114696271B (en) | 2022-06-01 | 2022-06-01 | Leaky cable clamp mechanism and leaky cable bearing system |
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| CN114696271A true CN114696271A (en) | 2022-07-01 |
| CN114696271B CN114696271B (en) | 2022-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118336610A (en) * | 2024-06-12 | 2024-07-12 | 中天射频电缆有限公司 | Feeder line fixture |
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| WO2015085890A1 (en) * | 2013-12-13 | 2015-06-18 | 中铁第四勘察设计院集团有限公司 | Leakage coaxial cable fixture and elastomeric sheath used with same |
| CN109449838A (en) * | 2018-12-07 | 2019-03-08 | 中天射频电缆有限公司 | A kind of ultra high speed railway fixes device with leaky cable |
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| CN114696271B (en) | 2022-09-02 |
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Denomination of invention: Leakage cable fixture mechanism and leakage cable bearing system Effective date of registration: 20230824 Granted publication date: 20220902 Pledgee: Bank of Communications Co.,Ltd. Nantong Branch Pledgor: ZHONGTIAN RADIO FREQUENCY CABLE Co.,Ltd. Registration number: Y2023980053404 |