Disclosure of Invention
The invention aims to provide an installation protection device for an underground cable, which solves the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an installation protection device for an underground cable, which comprises a pipeline outer sheath and a pipeline protection cover arranged above the pipeline outer sheath; the pipeline outer sheath comprises a plurality of pipeline outer sheath units which are fixedly connected in sequence, and every two adjacent pipeline outer sheath units are fixedly connected through a connecting unit;
the pipeline outer sheath unit comprises a first pipeline outer sheath assembly and a second pipeline outer sheath assembly; the first pipeline outer sheath assembly and the second pipeline outer sheath assembly are both semicircular pipes with semicircular cross sections; two ends of the first pipeline outer sheath assembly are respectively provided with a first waterproof rib, and two ends of the second pipeline outer sheath assembly are respectively provided with a second waterproof rib matched with the first waterproof rib; the second pipeline outer sheath assembly positioned between the second waterproof convex edges is provided with two fixed flanges, the two fixed flanges are respectively positioned on two sides of the outer side surface of the second pipeline outer sheath assembly, the horizontal plane of each fixed flange is provided with a plurality of insertion holes along the length direction of the horizontal plane, and two ends of each fixed flange are provided with fixed holes;
the connecting unit comprises two connecting components which can be disassembled, assembled and matched, each connecting component comprises a semi-arc-shaped waterproof ring, two sides of each semi-arc-shaped waterproof ring are respectively provided with a semi-arc-shaped convex ring matched with the first pipeline outer sheath component and/or the second pipeline outer sheath component, one side of each semi-arc-shaped convex ring is provided with a water retaining flange matched with the first waterproof convex edge and/or the second waterproof convex edge, two ends of each semi-arc-shaped waterproof ring are respectively provided with a mounting block A, and each mounting block A is provided with a mounting hole; the water retaining flanging is provided with a through hole matched and fixed with the fixing hole; the pipeline protective cover comprises a plurality of protective frame units which are arranged in parallel, and two adjacent protective frame units are connected through a first cross rod assembly; the protection frame unit comprises at least a plurality of protection frames and a second cross rod assembly assembled on the protection frames.
Furthermore, the two fixed flanges are horizontally arranged, and the horizontal planes of the fixed flanges are horizontal to the two end faces of the second waterproof convex edge.
Furthermore, the first pipeline outer sheath assembly and the second pipeline outer sheath assembly are of concentric circular structures; the inner side surface of the water retaining flange is in sealing contact with the outer surface of the first waterproof rib and/or the second waterproof rib; the inner side surface of the semi-arc convex ring is in sealing contact with the outer peripheral side surface of the second pipeline outer sheath assembly.
Furthermore, two cross sections of the first pipeline outer sheath assembly are respectively provided with a sealing groove, two cross sections of the second pipeline outer sheath assembly are respectively provided with a sealing bead matched with the sealing groove, and the cross sections of the sealing bead and the sealing groove are both of a semicircular structure.
Further, the protection frame unit comprises 2-5 protection frames which are arranged in parallel.
Further, the protection frame unit comprises 4 protection frames which are arranged in parallel.
Furthermore, the protective frame comprises an arched top plate, two ends of the arched top plate are respectively provided with an inserted rod, and the bottom end of each inserted rod is provided with a T-shaped pin matched with the insertion hole; and a plurality of L-shaped clamping plates matched with the first cross rod assembly and/or the second cross rod assembly are symmetrically arranged on two sides of the arched top plate respectively.
Further, the first cross bar assembly and the second cross bar assembly are identical in structure; the second horizontal pole subassembly includes a mobile jib body, the both ends of the mobile jib body are equipped with a nut group respectively, nut group includes first nut and second nut, first nut and second nut all with mobile jib body threaded connection.
Furthermore, the inserted bar comprises an inner sleeve rod and an outer sleeve which are movably sleeved with each other.
Further, the cable fixing structure is arranged in the outer sheath of the pipeline and used for fixing the cable; the cable fixing structure comprises a plurality of cable fixing buckles which are fixed on the outer side of the cable in parallel; the cable fixing buckle comprises two fixing units which are installed in a matched mode, each fixing unit comprises a semi-ring body clamped on the outer side of a cable, mounting blocks B are arranged at two ends of each semi-ring body, and mounting holes B are formed in the mounting blocks B; the two half-ring bodies form a channel capable of accommodating a cable to pass through; the outside of half ring body still is connected with through a plurality of support pieces and is used for the curved plate of butt on the pipeline oversheath inside wall.
Furthermore, the supporting piece is a spring or a rubber column, and the curved plate is a metal plate or a plastic plate; and a buffer cushion layer is arranged on the inner side wall of the semi-ring body.
The invention has the following beneficial effects:
according to the invention, the pipeline protective cover and the pipeline outer sheath are matched for use, so that the cable buried underground is protected, the pipeline outer sheath is prevented from being damaged in the digging construction process, and the cable is prevented from being damaged due to the bite of insects and mice.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 to 8, the present invention is an installation protection device for an underground cable, including a pipe outer sheath and a pipe protection cover installed above the pipe outer sheath; the pipeline outer sheath comprises a plurality of pipeline outer sheath units 100 which are fixedly connected in sequence, and every two adjacent pipeline outer sheath units 100 are fixedly connected through a connecting unit 200;
wherein the pipe outer sheath unit 100 comprises a first pipe outer sheath assembly 10 and a second pipe outer sheath assembly 11; the first pipeline outer sheath assembly 10 and the second pipeline outer sheath assembly 11 are both semicircular pipes with semicircular cross sections; two ends of the first pipeline outer sheath assembly 10 are respectively provided with a first waterproof rib 101, and two ends of the second pipeline outer sheath assembly 11 are respectively provided with a second waterproof rib 111 matched with the first waterproof rib 101; the second pipe outer sheath assembly 11 located between the second waterproof ribs 111 is provided with two fixed flanges 112, the two fixed flanges 112 are respectively located at two sides of the outer side surface of the second pipe outer sheath assembly 11, a plurality of insertion holes 113 are formed in the horizontal plane of the fixed flanges 112 along the length direction of the horizontal plane, and two ends of the fixed flanges 112 are provided with fixing holes 114;
the connecting unit 200 comprises two connecting assemblies 20 which can be disassembled, assembled and matched, each connecting assembly 20 comprises a semi-arc-shaped waterproof ring 201, two sides of each semi-arc-shaped waterproof ring 201 are respectively provided with a semi-arc-shaped convex ring 202 matched with the first pipeline outer sheath assembly 10 and/or the second pipeline outer sheath assembly 11, one side of each semi-arc-shaped convex ring 202 is provided with a water retaining flange 203 matched with the first waterproof convex edge 101 and/or the second waterproof convex edge 111, two ends of each semi-arc-shaped waterproof ring 201 are respectively provided with a mounting block A204, and each mounting block A204 is provided with a mounting hole 205; the water retaining flanging 203 is provided with a through hole which is matched and fixed with the fixing hole 114; the pipeline protection cover comprises a plurality of protection frame units which are arranged in parallel, and two adjacent protection frame units are connected through a first cross rod assembly 402; the guard frame unit includes at least several guard frames 300 and a second cross bar assembly 401 mounted on the guard frames 300.
Wherein, the two fixed flanges 112 are horizontally arranged, and the horizontal plane of the fixed flanges 112 is horizontal to the two end faces of the second waterproof convex rib 111.
The first pipeline outer sheath assembly 10 and the second pipeline outer sheath assembly 11 are of concentric circle structures; the inner side surface of the water-retaining flange 203 is in sealing contact with the outer surface of the first waterproof rib 101 and/or the second waterproof rib 111; the inner side surface of the semi-arc convex ring 202 is in sealing contact with the outer peripheral side surface of the second pipe outer sheath assembly 11.
Wherein, two cross sections of the first pipe external sheath assembly 10 are respectively provided with a sealing groove 102, two cross sections of the second pipe external sheath assembly 11 are respectively provided with a sealing rib 115 matched with the sealing groove 102, and the cross sections of the sealing rib 115 and the sealing groove 102 are both semicircular structures.
Wherein, the protection frame unit comprises 2-5 protection frames 300 which are arranged in parallel.
Wherein the protection frame unit includes 4 protection frames 300 arranged in parallel with each other.
The protective frame 300 comprises an arched top plate 301, two ends of the arched top plate 301 are respectively provided with an inserted rod 302, and the bottom end of the inserted rod 302 is provided with a T-shaped pin 303 matched with the jack 113; a plurality of L-shaped clamping plates 304 which are matched with the first cross rod assembly 402 and/or the second cross rod assembly 401 are respectively and symmetrically arranged on two sides of the arched top plate 301.
The first cross bar assembly 402 and the second cross bar assembly 401 have the same structure; the second cross bar assembly 401 includes a main bar body 40, two ends of the main bar body 40 are respectively provided with a nut set, the nut set includes a first nut 41 and a second nut 42, and the first nut 41 and the second nut 42 are both in threaded connection with the main bar body 40.
Wherein, the inserted link 302 comprises an inner sleeve rod and an outer sleeve which are movably sleeved with each other.
The cable fixing structure is arranged in the outer sheath of the pipeline and used for fixing a cable; the cable fixing structure comprises a plurality of cable fixing buckles 500 which are fixed at the outer side of the cable in parallel; the cable fixing buckle comprises two fixing units which are installed in a matched mode, each fixing unit comprises a semi-ring body 501 clamped on the outer side of a cable, mounting blocks B501 are arranged at two ends of each semi-ring body 501, and mounting holes B are formed in the mounting blocks B501; the two half ring bodies 501 form a channel 504 for accommodating the cable to pass through; the outer side of the half-ring body 501 is also connected with a curved plate 503 which is used for abutting against the inner side wall of the outer sheath of the pipeline through a plurality of supporting pieces 502.
Wherein, the supporting member 502 is a spring or a rubber column, and the curved plate 503 is a metal plate or a plastic plate; the inside wall of the half-ring body 501 is provided with a cushion layer.
When the cable is used, the cable is firstly arranged at a certain distance on the outer side of the cable: for example, a cable fixing buckle 500 is installed at a position of 30cm, and when the cable fixing buckle 500 is installed, the cable fixing buckle is fixed by using a metal wire or a bolt component through the installation blocks B501 on the two sides of the semi-ring body 501;
then, a plurality of second pipeline outer sheath assemblies 11 are laid in advance under the ground where the cable is to be laid, and meanwhile, a connecting assembly 20 is connected between every two adjacent second pipeline outer sheath assemblies 11; the mask connecting assembly 20 is connected with the second pipeline outer sheath assembly 11 in a matching manner, and the connecting assembly 20 is fixed at one end of the second pipeline outer sheath assembly 11 through the matching of screws, the fixing holes 114 and the through holes;
then, laying the cable provided with the cable fixing buckle 500 on the second pipeline outer sheath assembly 11, installing the first pipeline outer sheath assembly 10 on the second pipeline outer sheath assembly 11 in a matching manner, and respectively assembling a connecting assembly 20 at two ends of the first pipeline outer sheath assembly 10;
two connecting assemblies 20 at the same end of the first pipe outer sheath assembly 10 are matched to form a connecting unit 200; the two connecting assemblies 20 pass through the mounting holes 205 on the mounting block A204 and are fixed by using metal wire or bolt assemblies;
finally, inserting a plurality of protection frames 300 on the top of the outer sheath of the pipeline through the matching of the T-shaped pins 303 and the jacks 113; a first crossbar assembly 402 and a second crossbar assembly 401 are placed on the containment frame 300 to form a duct enclosure.
Wherein, two sides of the arched top plate 301 are respectively and symmetrically provided with 3L-shaped clamping plates 304; 4 protection frames 300 form a protection frame unit;
two adjacent protection frame units are connected through two first cross rod assemblies 402;
any one of the protection frame units comprises 4 second cross rod assemblies 401;
when the first cross bar assembly 402 and the second cross bar assembly 401 are used, the first nut 41 and the second nut 42 are adjusted according to the distance between two adjacent protection frame units or the width of the protection frame units, so that the first cross bar assembly 402 and the second cross bar assembly 401 are installed on the L-shaped clamping plate 304 of the protection frame, and the first nut 41 and the second nut 42 abut against two sides of the L-shaped clamping plate 304 respectively during installation.
The pipeline outer sheath is used, so that the underground cable can be conveniently protected, the cable is prevented from being directly buried underground and damaged by being bitten by insects and mice, the pipeline outer sheath is placed underground for a long time, water and sundry stones in soil corrode and damage the surface of the cable, the service life of the cable is prolonged, and meanwhile, the pipeline outer sheath is used for protecting the underground cable conveniently
According to the invention, the pipeline protective cover is arranged on the outer side of the pipeline outer sheath, so that the pipeline outer sheath pre-embedded at the ground bottom is well protected, the damage to the pipeline outer sheath in the digging construction process is avoided, and meanwhile, compared with the situation that the indicating device is arranged on the corresponding ground of the pipeline outer sheath, the problem that the indicating device is inconvenient to arrange in some special road sections or places is also avoided.
In actual work, when the ground received the excavation, excavating equipment can touch the pipeline protection casing of installing in pipeline oversheath top at first, and excavating equipment can remove the pipeline protection casing from pipeline oversheath this moment, can discover this moment that the underground has buried the cable underground, plays the warning effect.
Meanwhile, the pipeline protection cover is formed by combining the protection frame 300, the second cross rod assembly 401 and the first cross rod assembly 402, the structure is simple, the pipeline protection cover is convenient to install and operate, only the T-shaped pin 303 at the bottom end of the protection frame 300 needs to be matched and inserted into the insertion hole 113 during installation, then the second cross rod assembly 401 and the first cross rod assembly 402 are installed on the L-shaped clamping plate 304 installed on the protection frame, welding is not adopted for installation, and installation is convenient.
Meanwhile, the cable fixing structure is arranged in the outer sheath of the pipeline and used for fixing the cable, so that the cable is conveniently installed in the outer sheath of the pipeline, the suspended arrangement of the cable installed in the outer sheath of the pipeline is realized, and the heat dissipation effect of the cable is improved.
According to the invention, through the sealing matching of the sealing convex ribs 115 and the sealing grooves 102, external moisture is prevented from permeating into the inner part of the pipeline outer sheath from the matching surfaces of the first pipeline outer sheath component 10 and the second pipeline outer sheath component 11; meanwhile, through the arrangement of the first waterproof convex ridge 101, the second waterproof convex ridge 111, the water retaining flange 203 and the semi-arc convex ring 202, the sealing performance of the connecting end of the two adjacent pipeline outer sheath units 100 is improved, and external moisture is prevented from permeating into the pipeline outer sheaths from the matching surface of the connecting end of the two adjacent pipeline outer sheath units 100.
According to the invention, the T-shaped pin 303 is matched with the insertion hole 113, so that when the device is damaged by excavation, the pipeline protective cover can be easily separated from the outer protective sleeve of the pipeline, and the outer protective sleeve of the pipeline is prevented from being driven to move from the soil in the process of excavating the pipeline protective cover; it includes inner loop bar and the outer tube that mutual activity cup jointed to state inserted bar 302 simultaneously, sets up lock nut simultaneously on the outer tube, realizes burying the degree of depth demand underground according to the cable, adjusts the length of inserted bar 302 through the cooperation of inner loop bar and outer tube to fix through lock nut, adjust the installation interval between pipeline oversheath and the pipeline protection casing.
According to the invention, through the cable fixing buckle, and simultaneously, the spring or the rubber column is adopted as the support member 502 for connecting the semi-ring body 501 and the curved plate 503, the cable fixing buckle 500 with one specification is adapted to the outer sheaths of the pipelines with various specifications, and the outer sheath of the pipeline with a single specification is also adapted to the cable fixing buckle 500 with various specifications.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.