CN112909877A - High resistance to compression double-walled bellows for underground communication - Google Patents
High resistance to compression double-walled bellows for underground communication Download PDFInfo
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- CN112909877A CN112909877A CN202011577344.0A CN202011577344A CN112909877A CN 112909877 A CN112909877 A CN 112909877A CN 202011577344 A CN202011577344 A CN 202011577344A CN 112909877 A CN112909877 A CN 112909877A
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- 238000004891 communication Methods 0.000 title claims abstract description 27
- 238000007906 compression Methods 0.000 title claims abstract description 15
- 230000006835 compression Effects 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000853 adhesive Substances 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 20
- 238000005260 corrosion Methods 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 229920000058 polyacrylate Polymers 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 13
- 229920005749 polyurethane resin Polymers 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 12
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 12
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 229920000180 alkyd Polymers 0.000 claims description 9
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 229920005862 polyol Polymers 0.000 claims description 9
- 150000003077 polyols Chemical class 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 8
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 8
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 claims description 8
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 8
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- BXGYYDRIMBPOMN-UHFFFAOYSA-N 2-(hydroxymethoxy)ethoxymethanol Chemical compound OCOCCOCO BXGYYDRIMBPOMN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a high-pressure-resistance double-wall corrugated pipe for underground communication, which comprises a double-wall corrugated pipe body, wherein a pressure-resistance supporting mechanism is arranged in the double-wall corrugated pipe body, the pressure-resistance supporting mechanism comprises a first arc plate, a second arc plate and a supporting plate, sliding grooves are formed in two sides of the supporting plate, and placing grooves are formed in two sides of the inner surface of the double-wall corrugated pipe body. This high resistance to compression is double-walled bellows for underground communication through being provided with resistance to compression supporting mechanism, utilizes the inner wall contact of first circular arc board, second circular arc board and double-walled bellows body to and the joint of bracing piece and standing groove, cooperation backup pad, spout, first limiting plate, second limiting plate and first spring, thereby carry out the fixed stay to the bellows, not only can improve the crushing resistance of bellows, be convenient for change moreover, thereby conveniently overhaul, make it can keep long-time support.
Description
Technical Field
The invention relates to the technical field of double-wall corrugated pipes, in particular to a high-pressure-resistance double-wall corrugated pipe for underground communication.
Background
High density polyethylene double-walled bellows, a novel tubular product with cyclic annular structure outer wall and smooth inner wall, the outer wall is annular ripple column structure, the ring stiffness of tubular product has been strengthened greatly, thereby the resistance of pipeline to soil load has been strengthened, under the condition of equal load, the double-walled bellows only needs thinner pipe wall just can satisfy the demands, consequently, compare with the solid wall pipe of same material specification, can practice thrift half raw and other materials about, so HDPE double-walled bellows cost is also lower, because double-walled bellows light in weight, it is all very convenient to carry and connect, so the construction is swift, maintenance work is simple.
The invention provides a high-pressure-resistance underground communication double-wall corrugated pipe, which is characterized in that the existing underground communication corrugated pipe is worn and corroded for a long time in the long-time use process, so that the corrugated pipe is poor in pressure resistance, and cracks or even fractures are generated on the corrugated pipe.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-pressure-resistance underground communication double-wall corrugated pipe, which solves the problem that communication faults are easily caused due to the fact that cracks or fractures are generated in the long-time use process of the underground communication corrugated pipe.
In order to achieve the purpose, the invention is realized by the following technical scheme: a high-pressure-resistance double-wall corrugated pipe for underground communication comprises a double-wall corrugated pipe body, wherein a pressure-resistance supporting mechanism is arranged inside the double-wall corrugated pipe body, the pressure-resistance supporting mechanism comprises a first arc plate, a second arc plate and a supporting plate, sliding grooves are formed in two sides of the supporting plate, placing grooves are formed in two sides of the inner surface of the double-wall corrugated pipe body, first limiting plates are fixedly connected to the inner surfaces of the sliding grooves, a supporting rod is connected to the inside of the first limiting plate in a sliding mode, a first spring is sleeved on the outer surface of the supporting rod and located on one side of the first limiting plate, a second limiting plate is fixedly connected to the outer surface of the supporting rod and located on one side of the first spring, the outer surface of the second limiting plate is connected with the inner surfaces of the sliding grooves in a sliding mode, the outer surface of the supporting rod is connected with the inner surfaces of, one end of the supporting rod penetrates through the first limiting plate and is in sliding connection with the inner surface of the first limiting plate.
Preferably, one end of the first arc plate is rotatably connected with one end of the second arc plate through a rotating part, a second spring is fixedly connected between the opposite sides of the inner surfaces of the first arc plate and the second arc plate, and buffering pads are fixedly connected to the outer surfaces of the first arc plate and the second arc plate.
Preferably, the equal fixedly connected with branch in bottom of first circular arc board and second circular arc board, two the bottom of branch is connected with the external surface fixed connection of bracing piece, the surface of bracing piece just is located one side fixedly connected with handle of first limiting plate.
Preferably, the outer surface of the double-wall corrugated pipe body is provided with a substrate layer, a waterproof layer, a pressure-resistant layer, an anti-corrosion layer and a wear-resistant layer, the top of the substrate layer is bonded with the bottom of the waterproof layer through an adhesive, the top of the waterproof layer is bonded with the bottom of the pressure-resistant layer through an adhesive, the top of the pressure-resistant layer is bonded with the bottom of the anti-corrosion layer through an adhesive, and the top of the anti-corrosion layer is bonded with the bottom of the wear-resistant layer through an adhesive.
Preferably, the waterproof layer comprises a polyether polyol layer, a polyacrylate layer, a cyclohexane dimethanol layer and a ethylene glycol dimethacrylate layer, the top of the polyether polyol layer is fixedly connected with the bottom of the polyacrylate layer, the top of the polyacrylate layer is fixedly connected with the bottom of the cyclohexane dimethanol layer, and the top of the cyclohexane dimethanol layer is fixedly connected with the bottom of the ethylene glycol dimethacrylate layer.
Preferably, the compression-resistant layer comprises a methyl pyrrolidone layer, a polytetrafluoroethylene layer, a methyl isobutyl ketone layer and a key disulfide layer, the top of the methyl pyrrolidone layer is fixedly connected with the bottom of the polytetrafluoroethylene layer, the top of the polytetrafluoroethylene layer is fixedly connected with the bottom of the methyl isobutyl ketone layer, and the top of the methyl isobutyl ketone layer is fixedly connected with the bottom of the key disulfide layer.
Preferably, the anti-corrosion layer comprises a methacrylic anhydride resin layer, a butyronitrile modified phenolic resin layer, an epoxy resin layer and an alkyd resin layer, the top of the methacrylic anhydride resin layer is fixedly connected with the bottom of the butyronitrile modified phenolic resin layer, the top of the butyronitrile modified phenolic resin layer is fixedly connected with the bottom of the epoxy resin layer, and the top of the epoxy resin layer is fixedly connected with the bottom of the alkyd resin layer.
Preferably, the wear-resistant layer comprises a polypropylene resin layer, a polyurethane resin layer, a silicon dioxide layer and a molybdenum disulfide layer, the top of the polypropylene resin layer is fixedly connected with the bottom of the polyurethane resin layer, the top of the polyurethane resin layer is fixedly connected with the bottom of the silicon dioxide layer, and the top of the silicon dioxide layer is fixedly connected with the bottom of the molybdenum disulfide layer.
Advantageous effects
The invention provides a high-pressure-resistance double-wall corrugated pipe for underground communication. Compared with the prior art, the method has the following beneficial effects:
(1) the high-pressure-resistance underground communication double-wall corrugated pipe comprises a first arc plate, a second arc plate and a supporting plate in a pressure-resistance supporting mechanism, wherein sliding grooves are formed in two sides of the supporting plate, placing grooves are formed in two sides of the inner surface of a double-wall corrugated pipe body, the inner surfaces of the two sliding grooves are fixedly connected with a first limiting plate, a supporting rod is connected to the inside of the first limiting plate in a sliding manner, a first spring is sleeved on one side, located on the first limiting plate, of the outer surface of the supporting rod, a second limiting plate is fixedly connected to one side, located on the first spring, of the outer surface of the supporting rod, the outer surface of the second limiting plate is connected with the inner surface of the sliding grooves in a sliding manner, two ends of the first spring are fixedly connected with the opposite sides of the first limiting plate and the second limiting plate respectively, one end of the, one end of the first arc plate is rotatably connected with one end of the second arc plate through a rotating piece, a second spring is fixedly connected between the opposite sides of the inner surfaces of the first arc plate and the second arc plate, buffer pads are fixedly connected with the outer surfaces of the first arc plate and the second arc plate, supporting rods are fixedly connected with the bottom ends of the first arc plate and the second arc plate, the bottom ends of the two supporting rods are fixedly connected with the outer surface of the supporting rod, a handle is fixedly connected with the outer surface of the supporting rod and positioned on one side of the first limiting plate, through the arrangement of a compression-resistant supporting mechanism, the first arc plate is utilized, the second arc plate is contacted with the inner wall of the double-wall corrugated pipe body, and the supporting rod is clamped with the placing groove, a supporting plate is matched, a sliding groove, a first limiting plate, a second limiting plate and a first spring are arranged, so that the corrugated pipe is fixedly supported, thereby conveniently overhauls, makes it can keep long-time support.
(2) The double-wall corrugated pipe for the high-pressure-resistant underground communication comprises a polyether polyol layer, a polyacrylate layer, a cyclohexane dimethanol layer and a ethylene glycol dimethacrylate layer in a waterproof layer, wherein the top of the polyether polyol layer is fixedly connected with the bottom of the polyacrylate layer, the top of the polyacrylate layer is fixedly connected with the bottom of the cyclohexane dimethanol layer, the top of the cyclohexane dimethanol layer is fixedly connected with the bottom of the ethylene glycol dimethacrylate layer, the anti-corrosion layer comprises a methacrylic anhydride resin layer, a butyronitrile modified phenolic resin layer, an epoxy resin layer and an alkyd resin layer, the top of the methacrylic anhydride resin layer is fixedly connected with the bottom of the butyronitrile modified phenolic resin layer, the top of the butyronitrile modified phenolic resin layer is fixedly connected with the bottom of the epoxy resin layer, and the top of the epoxy resin layer is fixedly connected with the bottom of the alkyd resin layer, through being provided with waterproof layer and anti-corrosion coating, utilize the adhesive to bond, the required layer material that uses is cooperated to avoided this double-walled bellows body to receive to corrode the back of getting into water, the trouble of the communication that causes, extension double-walled bellows body that moreover can be very big the life of.
(3) The double-wall corrugated pipe for the high-pressure-resistance underground communication comprises a methyl pyrrolidone layer, a polytetrafluoroethylene layer, a methyl isobutyl ketone layer and a disulfide key layer in the pressure-resistance layer, wherein the top of the methyl pyrrolidone layer is fixedly connected with the bottom of the polytetrafluoroethylene layer, the top of the polytetrafluoroethylene layer is fixedly connected with the bottom of the methyl isobutyl ketone layer, the top of the methyl isobutyl ketone layer is fixedly connected with the bottom of the disulfide key layer, the wear-resistant layer comprises a polypropylene resin layer, a polyurethane resin layer, a silicon dioxide layer and a molybdenum disulfide layer, the top of the polypropylene resin layer is fixedly connected with the bottom of the polyurethane resin layer, the top of the polyurethane resin layer is fixedly connected with the bottom of the silicon dioxide layer, the top of the silicon dioxide layer is fixedly connected with the bottom of the molybdenum disulfide layer, and the pressure-resistance layer and the wear-resistant layer are arranged to be, the material of the required layer that uses of cooperation for the resistance to compression bearing performance of this double-walled bellows body is better, very big improvement its compressive property, and avoided wearing and tearing, prolong its life.
Drawings
FIG. 1 is a perspective view of the external structure of the present invention;
FIG. 2 is a side view of the internal structure of the present invention;
FIG. 3 is a top view of a portion of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;
FIG. 5 is a schematic view of the layer structure of the double-walled bellows body of the present invention;
FIG. 6 is a schematic view of the layer structure of the waterproof layer according to the present invention;
FIG. 7 is a schematic view of the layer structure of the anti-pressure layer of the present invention;
FIG. 8 is a schematic view of the layer structure of the corrosion protection layer of the present invention;
FIG. 9 is a schematic layer structure of the abrasion-resistant layer of the present invention.
In the figure: 1-double-wall corrugated pipe body, 2-compression-resistant supporting mechanism, 21-first arc plate, 22-second arc plate, 23-supporting plate, 24-sliding groove, 25-placing groove, 26-first limiting plate, 27-supporting rod, 28-first spring, 29-second limiting plate, 210-rotating piece, 211-second spring, 212-buffer pad, 213-supporting rod, 214-handle, 3-base material layer, 4-waterproof layer, 41-polyether polyol layer, 42-polyacrylate layer, 43-cyclohexane dimethanol layer, 44-ethylene glycol dimethacrylate layer, 5-compression-resistant layer, 51-methyl pyrrolidone layer, 52-polytetrafluoroethylene layer, 53-methyl isobutyl ketone layer, 54-disulfide key layer, 6-anti-corrosion layer, 61-methacrylic anhydride resin layer, 62-butyronitrile modified phenolic resin layer, 63-epoxy resin layer, 64-alkyd resin layer, 7-wear-resistant layer, 71-polypropylene resin layer, 72-polyurethane resin layer, 73-silicon dioxide layer and 74-molybdenum disulfide layer.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a high-pressure-resistance double-wall corrugated pipe for underground communication comprises a double-wall corrugated pipe body 1, a pressure-resistance supporting mechanism 2 is arranged inside the double-wall corrugated pipe body 1, the pressure-resistance supporting mechanism 2 comprises a first arc plate 21, a second arc plate 22 and a supporting plate 23, sliding grooves 24 are formed in two sides of the supporting plate 23, the sliding grooves 24 facilitate movement of a supporting rod 27, placing grooves 25 are formed in two sides of the inner surface of the double-wall corrugated pipe body 1, the inner surfaces of the two sliding grooves 24 are fixedly connected with a first limiting plate 26, the supporting rod 27 is slidably connected with the inside of the first limiting plate 26, the supporting rod 27 is slidably clamped with the placing grooves 25, a first spring 28 is sleeved on the outer surface of the supporting rod 27 and located on one side of the first limiting plate 26, the first spring 28 is used for abutting against the supporting rod 27 and the placing grooves 25, a second limiting, the second limit plate 29 prevents the first spring 28 from popping up, the outer surface of the second limit plate 29 is connected with the inner surface of the sliding groove 24 in a sliding manner, the outer surface of the support rod 27 is connected with the inner surface of the placing groove 25 in a sliding manner, two ends of the first spring 28 are respectively fixedly connected with the opposite sides of the first limit plate 26 and the second limit plate 29, one end of the support rod 27 penetrates through the first limit plate 26 and is connected with the inner surface of the first limit plate 26 in a sliding manner, one end of the first arc plate 21 is rotatably connected with one end of the second arc plate 22 through a rotating piece 210, a second spring 211 is fixedly connected between the opposite sides of the inner surfaces of the first arc plate 21 and the second arc plate 22, the second spring 211 is used for increasing the supporting force of the first arc plate 21 and the second arc plate 22, cushion pads 212 are fixedly connected with the outer surfaces of the first arc plate 21 and the second arc plate 22, and support rods 213 are fixedly connected with the bottom, the bottom of two branches 213 is connected with the outer fixed surface of bracing piece 27, the surface of bracing piece 27 and the one side fixedly connected with handle 214 that is located first limiting plate 26, through being provided with resistance to compression supporting mechanism 2, utilize first circular arc board 21, the inner wall contact of second circular arc board 22 and double-walled bellows body 1, and bracing piece 27 and standing groove 25's joint, cooperation backup pad 23, spout 24, first limiting plate 26, second limiting plate 29 and first spring 28, thereby carry out the fixed stay to the bellows, not only can improve the crushing resistance of bellows, and be convenient for change, thereby conveniently overhaul, make it keep long-time support.
Referring to fig. 5-9, a substrate layer 3, a waterproof layer 4, a pressure-resistant layer 5, an anti-corrosion layer 6 and a wear-resistant layer 7 are disposed on an outer surface of a double-wall corrugated pipe body 1, a top of the substrate layer 3 is bonded to a bottom of the waterproof layer 4 by an adhesive, a top of the waterproof layer 4 is bonded to a bottom of the pressure-resistant layer 5 by an adhesive, a top of the pressure-resistant layer 5 is bonded to a bottom of the anti-corrosion layer 6 by an adhesive, a top of the anti-corrosion layer 6 is bonded to a bottom of the wear-resistant layer 7 by an adhesive, the waterproof layer 4 includes a polyether polyol layer 41, a polyacrylate layer 42, a cyclohexane dimethanol layer 43 and a ethylene dimethacrylate layer 44, a top of the polyether polyol layer 41 is fixedly connected to a bottom of the polyacrylate layer 42, a top of the polyacrylate layer 42 is fixedly connected to a bottom of the cyclohexane dimethanol layer 43, a top of the cyclohexane dimethanol layer 43 is fixedly connected to, the pressure-resistant layer 5 comprises a methyl pyrrolidone layer 51, a polytetrafluoroethylene layer 52, a methyl isobutyl ketone layer 53 and a key disulfide layer 54, the top of the methyl pyrrolidone layer 51 is fixedly connected with the bottom of the polytetrafluoroethylene layer 52, the top of the polytetrafluoroethylene layer 52 is fixedly connected with the bottom of the methyl isobutyl ketone layer 53, the top of the methyl isobutyl ketone layer 53 is fixedly connected with the bottom of the key disulfide layer 54, the corrosion-resistant layer 6 comprises a methacrylic anhydride resin layer 61, a butyronitrile modified phenolic resin layer 62, an epoxy resin layer 63 and an alkyd resin layer 64, the top of the methacrylic anhydride resin layer 61 is fixedly connected with the bottom of the butyronitrile modified phenolic resin layer 62, the top of the butyronitrile modified phenolic resin layer 62 is fixedly connected with the bottom of the epoxy resin layer 63, the top of the epoxy resin layer 63 is fixedly connected with the bottom of the alkyd resin layer 64, and the wear-resistant layer 7 comprises a polypropylene resin, The double-wall corrugated pipe comprises a polyurethane resin layer 72, a silicon dioxide layer 73 and a molybdenum disulfide layer 74, wherein the top of a polypropylene resin layer 71 is fixedly connected with the bottom of the polyurethane resin layer 72, the top of the polyurethane resin layer 72 is fixedly connected with the bottom of the silicon dioxide layer 73, the top of the silicon dioxide layer 73 is fixedly connected with the bottom of the molybdenum disulfide layer 74, a waterproof layer 4 and an anti-corrosion layer 6 are arranged, bonding is carried out by using an adhesive, and the required layer material is matched, so that the communication fault caused after the double-wall corrugated pipe body 1 is corroded and enters water is avoided, the service life of the double-wall corrugated pipe body 1 can be greatly prolonged, the anti-pressure layer 5 and the anti-wear layer 7 are arranged, bonding is carried out by using the adhesive, the required layer material is matched, so that the anti-pressure bearing performance of the double-wall corrugated pipe body 1 is better, and, and the abrasion is avoided, and the service life of the device is prolonged.
And those not described in detail in this specification are well within the skill of those in the art.
When the double-wall corrugated pipe is in work, the waterproof layer 4 is uniformly coated on the double-wall corrugated pipe body 1 by using the adhesive, after the double-wall corrugated pipe body 1 is dried, the anti-pressure layer 5 is uniformly coated on the double-wall corrugated pipe body 1 by using the adhesive, after the anti-corrosion layer 6 is uniformly coated on the double-wall corrugated pipe body 1 by using the adhesive, after the anti-wear layer 7 is dried, the double-wall corrugated pipe body 1 is uniformly coated with the adhesive, after the anti-wear layer is dried, the double-wall corrugated pipe can be put into use, the waterproof layer 4 and the anti-corrosion layer 6 are arranged and bonded by using the adhesive, the required used layer materials are matched, therefore, the communication fault caused after the double-wall corrugated pipe body 1 is corroded and enters water is avoided, the service life of the double-wall corrugated pipe body 1 can be greatly prolonged, and the anti-pressure layer 5 and the anti-wear layer 7 are arranged, the material of the needed layer is matched, so that the pressure resistance bearing performance of the double-wall corrugated pipe body 1 is better, the pressure resistance of the double-wall corrugated pipe body 1 is greatly improved, the abrasion is avoided, the service life of the double-wall corrugated pipe body is prolonged, then the handle 214 is pulled, the movement of the support rod 27 is driven, the first arc plate 21 and the second arc plate 22 are driven to move, at the moment, the support rod 27 drives the second limiting plate 29 to move, the contraction of the first spring 28 is extruded, the support rod 27 is clamped with the placing groove 25 on the inner surface of the double-wall corrugated pipe body 1, the disassembly can be carried out through reverse operation, through the arrangement of the pressure resistance support mechanism 2, the first arc plate 21 is utilized, the second arc plate 22 is contacted with the inner wall of the double-wall corrugated pipe body 1, and the clamping of the support rod 27 and the placing groove 25, the matching support plate 23, the sliding chute, thereby carry out the fixed stay to the bellows, not only can improve the crushing resistance of bellows, be convenient for change moreover to conveniently overhaul, make it can keep long-time support.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high resistance to compression double-walled bellows for underground communication, includes double-walled bellows body (1), its characterized in that: a compression-resistant supporting mechanism (2) is arranged inside the double-wall corrugated pipe body (1);
the pressure-resistant supporting mechanism (2) comprises a first arc plate (21), a second arc plate (22) and a supporting plate (23), sliding grooves (24) are formed in two sides of the supporting plate (23), placing grooves (25) are formed in two sides of the inner surface of the double-wall corrugated pipe body (1), two sliding grooves (24) are fixedly connected with a first limiting plate (26) through the inner surface of the sliding grooves (24), a supporting rod (27) is connected to the inner portion of the first limiting plate (26) in a sliding mode, a first spring (28) is sleeved on the outer surface of the supporting rod (27) and located on one side of the first limiting plate (26), a second limiting plate (29) is fixedly connected to the outer surface of the supporting rod (27) and located on one side of the first spring (28), the outer surface of the second limiting plate (29) is connected with the inner surface of the sliding grooves (24) in a sliding mode, and the outer surface of the supporting, two ends of the first spring (28) are respectively fixedly connected with the opposite sides of the first limiting plate (26) and the second limiting plate (29), and one end of the supporting rod (27) penetrates through the first limiting plate (26) and is in sliding connection with the inner surface of the first limiting plate (26).
2. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 1, wherein: one end of the first arc plate (21) is rotatably connected with one end of the second arc plate (22) through a rotating piece (210), a second spring (211) is fixedly connected between the opposite sides of the inner surfaces of the first arc plate (21) and the second arc plate (22), and buffering cushions (212) are fixedly connected to the outer surfaces of the first arc plate (21) and the second arc plate (22).
3. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 1, wherein: the equal fixedly connected with branch (213) in bottom of first circular arc board (21) and second circular arc board (22), two the bottom of branch (213) and the external fixed surface of bracing piece (27) are connected, the surface of bracing piece (27) and be located one side fixedly connected with handle (214) of first limiting plate (26).
4. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 1, wherein: the outer surface of the double-wall corrugated pipe body (1) is provided with a base material layer (3), a waterproof layer (4), a compression-resistant layer (5), an anti-corrosion layer (6) and a wear-resistant layer (7), the top of the base material layer (3) is bonded with the bottom of the waterproof layer (4) through an adhesive, the top of the waterproof layer (4) is bonded with the bottom of the compression-resistant layer (5) through the adhesive, the top of the compression-resistant layer (5) is bonded with the bottom of the anti-corrosion layer (6) through the adhesive, and the top of the anti-corrosion layer (6) is bonded with the bottom of the wear-resistant layer (7) through the adhesive.
5. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 4, wherein: including polyether polyol layer (41), polyacrylate layer (42), cyclohexane dimethanol layer (43) and ethylene glycol dimethacrylate layer (44) in waterproof layer (4), the top of polyether polyol layer (41) and the bottom fixed connection of polyacrylate layer (42), the top of polyacrylate layer (42) and the bottom fixed connection of cyclohexane dimethanol layer (43), the top of cyclohexane dimethanol layer (43) and the bottom fixed connection of ethylene glycol dimethacrylate layer (44).
6. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 4, wherein: the pressure-resistant layer (5) comprises a methyl pyrrolidone layer (51), a polytetrafluoroethylene layer (52), a methyl isobutyl ketone layer (53) and a key disulfide layer (54), the top of the methyl pyrrolidone layer (51) is fixedly connected with the bottom of the polytetrafluoroethylene layer (52), the top of the polytetrafluoroethylene layer (52) is fixedly connected with the bottom of the methyl isobutyl ketone layer (53), and the top of the methyl isobutyl ketone layer (53) is fixedly connected with the bottom of the key disulfide layer (54).
7. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 4, wherein: the anticorrosion layer (6) comprises a methacrylic anhydride resin layer (61), a butyronitrile modified phenolic resin layer (62), an epoxy resin layer (63) and an alkyd resin layer (64), the top of the methacrylic anhydride resin layer (61) is fixedly connected with the bottom of the butyronitrile modified phenolic resin layer (62), the top of the butyronitrile modified phenolic resin layer (62) is fixedly connected with the bottom of the epoxy resin layer (63), and the top of the epoxy resin layer (63) is fixedly connected with the bottom of the alkyd resin layer (64).
8. The double-walled corrugated pipe for high pressure resistance underground communication according to claim 4, wherein: the wear-resistant layer (7) comprises a polypropylene resin layer (71), a polyurethane resin layer (72), a silicon dioxide layer (73) and a molybdenum disulfide layer (74), the top of the polypropylene resin layer (71) is fixedly connected with the bottom of the polyurethane resin layer (72), the top of the polyurethane resin layer (72) is fixedly connected with the bottom of the silicon dioxide layer (73), and the top of the silicon dioxide layer (73) is fixedly connected with the bottom of the molybdenum disulfide layer (74).
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| CN202011577344.0A CN112909877A (en) | 2020-12-28 | 2020-12-28 | High resistance to compression double-walled bellows for underground communication |
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| CN202011577344.0A CN112909877A (en) | 2020-12-28 | 2020-12-28 | High resistance to compression double-walled bellows for underground communication |
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