CN112909877A - High resistance to compression double-walled bellows for underground communication - Google Patents

High resistance to compression double-walled bellows for underground communication Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
layer
double
fixedly connected
corrugated pipe
resin layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011577344.0A
Other languages
Chinese (zh)
Inventor
王庆顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yuansheng Hi Tech Co Ltd
Original Assignee
Jiangsu Yuansheng Hi Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Yuansheng Hi Tech Co Ltd filed Critical Jiangsu Yuansheng Hi Tech Co Ltd
Priority to CN202011577344.0A priority Critical patent/CN112909877A/en
Publication of CN112909877A publication Critical patent/CN112909877A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/06Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering

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

High resistance to compression double-walled bellows for underground communication
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).
CN202011577344.0A 2020-12-28 2020-12-28 High resistance to compression double-walled bellows for underground communication Pending CN112909877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011577344.0A CN112909877A (en) 2020-12-28 2020-12-28 High resistance to compression double-walled bellows for underground communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011577344.0A CN112909877A (en) 2020-12-28 2020-12-28 High resistance to compression double-walled bellows for underground communication

Publications (1)

Publication Number Publication Date
CN112909877A true CN112909877A (en) 2021-06-04

Family

ID=76111753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011577344.0A Pending CN112909877A (en) 2020-12-28 2020-12-28 High resistance to compression double-walled bellows for underground communication

Country Status (1)

Country Link
CN (1) CN112909877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114156798A (en) * 2021-11-15 2022-03-08 江苏日龙塑料制品有限公司 MPP ripple protection communication, power cable pipe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207425420U (en) * 2017-08-28 2018-05-29 天津市津琪特种线缆有限公司 High-performance tension resistance twin-core photovoltaic cable
CN109099228A (en) * 2018-09-28 2018-12-28 四川省祺泰通讯科技有限公司 A kind of PVC bellows of adjustable rigid
CN208935586U (en) * 2018-11-06 2019-06-04 江西特塑新材料有限公司 A kind of HDPE internal-rib winding enhancing bellows
CN209925872U (en) * 2019-05-20 2020-01-10 鄂尔多斯市恒丰节水工程技术有限公司 Novel resistance to compression shock attenuation bellows
CN211350174U (en) * 2020-03-26 2020-08-25 杭州德福线缆有限公司 Resistance to compression type flame retarded cable
CN211929112U (en) * 2020-04-27 2020-11-13 马蓉 Corrosion-resistant cable for 5G

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207425420U (en) * 2017-08-28 2018-05-29 天津市津琪特种线缆有限公司 High-performance tension resistance twin-core photovoltaic cable
CN109099228A (en) * 2018-09-28 2018-12-28 四川省祺泰通讯科技有限公司 A kind of PVC bellows of adjustable rigid
CN208935586U (en) * 2018-11-06 2019-06-04 江西特塑新材料有限公司 A kind of HDPE internal-rib winding enhancing bellows
CN209925872U (en) * 2019-05-20 2020-01-10 鄂尔多斯市恒丰节水工程技术有限公司 Novel resistance to compression shock attenuation bellows
CN211350174U (en) * 2020-03-26 2020-08-25 杭州德福线缆有限公司 Resistance to compression type flame retarded cable
CN211929112U (en) * 2020-04-27 2020-11-13 马蓉 Corrosion-resistant cable for 5G

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114156798A (en) * 2021-11-15 2022-03-08 江苏日龙塑料制品有限公司 MPP ripple protection communication, power cable pipe
CN114156798B (en) * 2021-11-15 2024-01-09 江苏日龙塑料制品有限公司 MPP ripple protection communication and power cable pipe

Similar Documents

Publication Publication Date Title
CN112909877A (en) High resistance to compression double-walled bellows for underground communication
CN201425121Y (en) Cold insulation pipe holder
CN209986320U (en) Fixed-length cutting device for bearing steel seamless pipe production
CN103062532A (en) Polyethylene plastic steel winding drain pipe clamping hoop
CN215201058U (en) Grinding device of IFB electric power pipe
CN210830769U (en) Marine multi-core pipe steel pipe strutting arrangement
CN211543591U (en) Pipeline fixing and transporting device
CN111847308A (en) Numerical control lifting transmission equipment
CN213512460U (en) Double-port socket winding pipe joint
CN206310107U (en) A kind of high tensile plastic-steel-wound drainage pipe
CN216843575U (en) Ceramic joint with lining
CN213629228U (en) Pipeline connecting structure for water supply and drainage of building engineering
CN107795763A (en) A kind of PPR feedwater pipings with resistance to compression frost resistance
CN211231899U (en) Be used for thermal-insulated formula flue gas to carry ceramic steel composite pipe
MY159507A (en) Method for disconnecting a device for transferring fluid between the bottom of an expanse of water and the surface, and associated transfer device
CN217081729U (en) High-resistance high-pressure-resistant PE water supply pipe
CN208845886U (en) A kind of outer plastic-coated inner liner stainless steel multiple tube
CN213596914U (en) A connect device that blocks water for water conservancy pipeline
CN217620225U (en) Buried gas pipeline overhauling, positioning and assisting device
CN218294709U (en) Positioning and damping structure for pipeline construction
CN114156798B (en) MPP ripple protection communication and power cable pipe
CN210705062U (en) Automatic cutting machine of material loading
CN220623048U (en) HDPE reinforced double-wall corrugated pipe
CN215568797U (en) Steel wire mesh framework composite pipe with high strength and good pressure resistance
CN208900868U (en) A kind of novel polyethylene helical bellows

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20240227

AD01 Patent right deemed abandoned