CN117646604B - Light flame-retardant aramid fiber impregnated oil pipe - Google Patents
Light flame-retardant aramid fiber impregnated oil pipe Download PDFInfo
- Publication number
- CN117646604B CN117646604B CN202410123462.6A CN202410123462A CN117646604B CN 117646604 B CN117646604 B CN 117646604B CN 202410123462 A CN202410123462 A CN 202410123462A CN 117646604 B CN117646604 B CN 117646604B
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- Prior art keywords
- pipe
- tube
- oil pipe
- screw holes
- retardant
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000003063 flame retardant Substances 0.000 title claims abstract description 55
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000004760 aramid Substances 0.000 claims description 34
- 229920003235 aromatic polyamide Polymers 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 description 64
- 238000007598 dipping method Methods 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a lightweight flame-retardant aramid fiber impregnated oil pipe, which belongs to the field of lightweight flame-retardant aramid fiber impregnated oil pipes, and comprises an oil pipe assembly and a connecting assembly, wherein the oil pipe assembly comprises an outer pipe, a corrugated pipe is sleeved on the side surface of the outer pipe, a pressure-resistant pipe is inserted into the outer pipe, a heat insulation pipe is sleeved on the side surface of the pressure-resistant pipe, an aramid fiber woven net is embedded into the heat insulation pipe, and a flame-retardant pipe is sleeved on the side surface of the heat insulation pipe.
Description
Technical Field
The invention relates to the field of impregnated oil pipes, in particular to a lightweight flame-retardant aramid impregnated oil pipe.
Background
The oil pipe is a pipeline for transporting crude oil and natural gas from an oil-gas layer to the ground surface after drilling is finished, is used for bearing the pressure generated in the exploitation process, is made of rubber materials and is internally embedded with a steel wire woven net, so that the effect of high pressure resistance is achieved, but due to the fact that steel wire is heavy in gravity, the existing oil pipe is inconvenient in use, meanwhile, the rubber materials of the existing oil pipe are poor in functionality, the oil pipe is used in drilling for a long time, pressure exists in the drilling well, meanwhile, the temperature is too high, and therefore certain potential safety hazards exist in use.
Disclosure of Invention
The embodiment of the invention provides a lightweight flame-retardant aramid impregnated oil pipe, which aims to solve the existing problems.
The embodiment of the invention provides a lightweight flame-retardant aramid fiber impregnated oil pipe, which comprises an oil pipe assembly and a connecting assembly;
the oil pipe assembly comprises an outer pipe, a corrugated pipe is sleeved on the side surface of the outer pipe, a pressure-resistant pipe is inserted into the outer pipe, a heat-insulating pipe is sleeved on the side surface of the pressure-resistant pipe, an aramid woven net is embedded into the heat-insulating pipe, a flame-retardant pipe is sleeved on the side surface of the heat-insulating pipe, a reinforcing frame is clamped on the inner wall of the outer pipe, unidirectional films are arranged at two ends of the inner wall of the reinforcing frame, a first buffer pipe is arranged between the pressure-resistant pipe and the heat-insulating pipe, a plurality of ribs are fixedly connected on the side surface of the first buffer pipe, and a second buffer pipe is arranged between the heat-insulating pipe and the flame-retardant pipe;
the connecting assembly comprises a first connecting disc and a second connecting disc which are arranged at one end of the outer tube, bearings are arranged on the side surfaces of the first connecting disc and the second connecting disc, sleeves are sleeved on the side surfaces of the bearings, and a connector is detachably connected to the other end of the outer tube.
In one embodiment of the invention, the outer tube is internally provided with a fitting groove, and the pressure-resistant tube, the heat-insulating tube, the aramid woven mesh and the flame-retardant tube are all arranged in the fitting groove.
In one embodiment of the invention, one end of the outer tube is fixedly connected with a first flange, and a first screw hole is formed in the surface of the first flange.
In one embodiment of the invention, the other end of the outer tube is fixedly connected with a second flange, and a second screw hole is formed in the surface of the second flange.
In one embodiment of the present invention, a first mounting groove is formed in the surface of the first flange, and a first seal ring is mounted inside the first mounting groove.
In one embodiment of the invention, a spacer ring is fixedly arranged on the inner wall of the sleeve, the sleeve is divided into two mounting cavities by the spacer ring, the opposite surfaces of the first connecting disc and the second connecting disc are fixedly connected with a bearing pipe, one end of the bearing pipe is fixedly connected with a limiting ring, the bearing is sleeved on the side surface of the bearing pipe, and the two bearings are fixedly arranged in the mounting cavities at the two ends of the sleeve.
In one embodiment of the invention, the surface of the first connecting disc is provided with a second mounting groove, and a second sealing ring is mounted in the second mounting groove.
In one embodiment of the invention, the surfaces of the first connecting disc and the second connecting disc are respectively provided with a plurality of third screw holes, third bolts are respectively connected with the third screw holes on the surface of the first connecting disc and the inner parts of the first screw holes on the surface of the first flange in a threaded manner, third nuts are respectively connected with one ends of the third bolts in a threaded manner, and third bolts are respectively connected with the inner parts of the third screw holes on the surface of the second connecting disc in a threaded manner.
In one embodiment of the invention, one end of the connector is fixedly connected with a connecting sheet, a plurality of fourth screw holes are formed in the surface of the connecting sheet, fourth bolts are connected with the inner parts of the fourth screw holes and the second screw holes in a threaded manner, and fourth nuts are connected with one ends of the fourth bolts in a threaded manner.
In one embodiment of the present invention, the corrugated tube is made of aluminum, the pressure-resistant tube is made of UPVC, the heat-insulating tube is made of polyvinyl chloride, the flame-retardant tube is made of PI, and the first buffer tube and the second buffer tube are made of silica gel.
In one embodiment of the invention, one end of the second connecting disc is fixedly connected with a first spiral ring, one end of the connector is fixedly connected with a second spiral ring, and the second spiral ring is in threaded connection with the inside of the outer tube.
Compared with the prior art, the invention has the beneficial effects that:
when the impregnated oil pipe is used, the connecting assembly and the oil pipe assembly are used for mounting connection, at the moment, the high-pressure-resistant pipe is matched with the outer pipe made of rubber materials and the aramid fiber woven net woven by cotton fibers, so that the compression strength and the antistatic strength of the impregnated oil pipe can be enhanced, the breakage caused by overlarge pressure is avoided, meanwhile, the total weight of the impregnated oil pipe can be lightened, the impregnated oil pipe is convenient to carry and use, the heat insulating pipe can play a role in heat insulation, the heat outside can be isolated, the oil pipe combustion caused by overlarge temperature is avoided, meanwhile, the flame retardant effect of the impregnated oil pipe can be enhanced, the flame retardant performance of the impregnated oil pipe can be remarkably enhanced, in addition, the reinforcing frame can support the inner wall of the outer pipe, the high-pressure-resistant strength of the impregnated oil pipe is further enhanced, and finally, the corrugated pipe can protect the outer pipe from being worn and broken by external force.
When the oil dipping pipe is connected, first spiral ring and oil inlet pipe are connected in a threaded mode, connection tightness between the second connecting disc and the first flange can be enhanced through the first sealing ring and the second sealing ring, and the oil dipping pipe is fastened through the first sealing ring and the second sealing ring in cooperation with the third bolt, so that crude oil leakage during conveying can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a lightweight flame retardant aramid impregnated oil pipe according to an embodiment of the invention;
fig. 2 is a cross-sectional view of an outer tube structure of a lightweight flame retardant aramid impregnated oil tube according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a lightweight flame retardant aramid impregnated oil pipe corrugated pipe according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a lightweight flame retardant aramid impregnated oil pipe reinforcing frame according to an embodiment of the invention;
fig. 5 is a schematic view of a part of a structure of a lightweight flame retardant aramid impregnated oil pipe assembly according to an embodiment of the invention;
fig. 6 is a disassembled view of a lightweight flame retardant aramid impregnated oil pipe assembly according to an embodiment of the invention;
fig. 7 is a disassembled view of the overall structure of a lightweight flame retardant aramid impregnated oil pipe connecting assembly according to an embodiment of the invention;
fig. 8 is a partially disassembled structure view of a lightweight flame retardant aramid impregnated oil pipe connecting assembly according to an embodiment of the invention;
fig. 9 is a schematic structural diagram of a lightweight flame retardant aramid impregnated oil pipe connecting assembly according to an embodiment of the invention.
Icon: 100. an oil pipe assembly; 101. an outer tube; 102. a bellows; 103. a pressure-resistant pipe; 104. a heat insulating pipe; 105. an aramid woven net; 106. a flame retardant tube; 107. a reinforcing frame; 108. a unidirectional film; 109. a first buffer tube; 110. protruding ridges; 120. a second buffer tube; 111. a fitting groove; 121. a first flange; 122. a first screw hole; 131. a second flange; 132. a second screw hole; 141. a first mounting groove; 142. a first seal ring; 200. a connection assembly; 201. a first connection plate; 202. a second connection pad; 203. a bearing; 204. a sleeve; 205. a connector; 211. a spacer ring; 212. a limiting ring; 213. a socket pipe; 221. a second mounting groove; 222. a second seal ring; 231. a third screw hole; 232. a third bolt; 233. a third nut; 241. a connecting sheet; 242. a fourth screw hole; 243. a fourth bolt; 244. a fourth nut; 251. a first spiro ring; 252. and a second spiro ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-9, a lightweight flame retardant aramid impregnated oil pipe comprises an oil pipe assembly 100 and a connection assembly 200;
the oil pipe assembly 100 comprises an outer pipe 101, a corrugated pipe 102 is sleeved on the side surface of the outer pipe 101, a pressure-resistant pipe 103 is inserted into the outer pipe 101, a heat-insulating pipe 104 is sleeved on the side surface of the pressure-resistant pipe 103, an aramid woven mesh 105 is embedded into the heat-insulating pipe 104, a flame-retardant pipe 106 is sleeved on the side surface of the heat-insulating pipe 104, a reinforcing frame 107 is clamped on the inner wall of the outer pipe 101, unidirectional films 108 are arranged at two ends of the inner wall of the reinforcing frame 107, a first buffer pipe 109 is arranged between the pressure-resistant pipe 103 and the heat-insulating pipe 104, a plurality of ribs 110 are fixedly connected to the side surface of the first buffer pipe 109, and a second buffer pipe 120 is arranged between the heat-insulating pipe 104 and the flame-retardant pipe 106;
the connection assembly 200 comprises a first connection disc 201 and a second connection disc 202 which are arranged at one end of the outer tube 101, bearings 203 are arranged on the side surfaces of the first connection disc 201 and the second connection disc 202, sleeves 204 are sleeved on the side surfaces of the two bearings 203, and a connector 205 is detachably connected to the other end of the outer tube 101.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the high pressure resistance, heat insulation, flame retardance and antistatic performance of the dip pipe can be enhanced by the aid of the oil pipe assembly 100, which is arranged, in combination with the connecting assembly 200, the aramid woven mesh 105 formed by braiding cotton fibers can be further reduced, the weight of the dip pipe can be conveniently carried and used, the functionality of the dip pipe can be enhanced, the tightness and bending rotation of the dip pipe can be further enhanced when the dip pipe is installed and connected by the aid of the structure, crude oil and natural gas leakage can be avoided, the practicability of the dip pipe can be enhanced, when the dip pipe is used, the flame retardant property of the dip pipe can be further enhanced by the aid of the flame retardant property of the flame retardant pipe 106, and the flame retardant property of the dip pipe can be further enhanced by the aid of the corrugated pipe 102, the outer pipe 101 can be protected by the aid of the outer pipe 101 when the flame retardant property of the flame retardant pipe is used, the aramid woven mesh 105 is prevented from being worn and broken by external force, and the aramid woven mesh 105 is not only enhanced by the aid of the reinforcing frame 107.
Referring to fig. 2 and 5, an engaging groove 111 is formed in the outer tube 101, and the pressure-resistant tube 103, the heat-insulating tube 104, the aramid woven mesh 105, and the flame-retardant tube 106 are all mounted in the engaging groove 111.
In a specific embodiment, referring to fig. 2 and 5, the engagement groove 111 is used for installing and fixing the pressure-resistant pipe 103, the heat-insulating pipe 104, the aramid woven mesh 105 and the flame-retardant pipe 106, protecting the above structure, and enhancing the functionality of the dip-coated oil pipe.
Referring to fig. 2, a first flange 121 is fixedly connected to one end of the outer tube 101, and a first screw hole 122 is formed in a surface of the first flange 121.
In a specific embodiment, referring to fig. 2, the first flange 121 cooperates with the first screw hole 122 to screw the first connection disc 201 and the outer tube 101, so as to enhance the connection strength of the two.
Referring to fig. 2, the other end of the outer tube 101 is fixedly connected with a second flange 131, and a second screw hole 132 is formed in the surface of the second flange 131.
In a specific embodiment, referring to fig. 2, the second flange 131 cooperates with the second screw hole 132 to connect the connector 205 and the outer tube 101, so as to enhance the connection strength between the two, and avoid leakage of crude oil or natural gas.
Referring to fig. 2, a first mounting groove 141 is formed on a surface of the first flange 121, and a first sealing ring 142 is mounted inside the first mounting groove 141.
In a specific embodiment, referring to fig. 2, the first mounting groove 141 can mount and fix the first sealing ring 142, so as to primarily enhance the connection tightness between the first connection disc 201 and the outer tube 101.
Referring to fig. 7 and 8, a spacer ring 211 is fixedly installed on an inner wall of the sleeve 204, the sleeve 204 is divided into two installation cavities by the spacer ring 211, the opposite surfaces of the first connection disc 201 and the second connection disc 202 are fixedly connected with a connection pipe 213, one end of the connection pipe 213 is fixedly connected with a limiting ring 212, the bearings 203 are sleeved on the side surfaces of the connection pipe 213, and the two bearings 203 are fixedly installed in the installation cavities at two ends of the sleeve 204.
In a specific embodiment, referring to fig. 7 and 8, the mounting cavities at two ends of the sleeve 204 separated by the spacer ring 211 can mount the limiting ring 212, the bearing tube 213 and the bearing 203 on the side surfaces of the opposite surfaces of the first connection disc 201 and the second connection disc 202 respectively.
Referring to fig. 7 and 8, a second mounting groove 221 is formed on the surface of the first connection plate 201, and a second sealing ring 222 is mounted inside the second mounting groove 221.
In a specific embodiment, referring to fig. 2, 7 and 8, the second mounting groove 221 is used for mounting and fixing the second sealing ring 222, and meanwhile, the first sealing ring 142 is matched with the second sealing ring 222 to enhance the connection tightness between the first connection disc 201 and the outer tube 101, further avoid the leakage of crude oil, thereby enhancing the practicability of the dip-coated oil tube.
Referring to fig. 2, 7 and 8, a plurality of third screw holes 231 are formed in the surfaces of the first connection plate 201 and the second connection plate 202, third bolts 232 are connected to the third screw holes 231 on the surface of the first connection plate 201 and the inside of the first screw hole 122 on the surface of the first flange 121 in a threaded manner, third nuts 233 are connected to one ends of the third bolts 232 in a threaded manner, and third bolts 232 are connected to the inside of the third screw holes 231 on the surface of the second connection plate 202 in a threaded manner.
In a specific embodiment, referring to fig. 2, 7 and 8, the connection strength between the first connection plate 201 and the outer tube 101 can be enhanced by screwing the third bolt 232 into the third screw hole 231 and the inside of the first screw hole 122, and the first connection plate 201 can be detached by taking out the third bolt 232 from the third screw hole 231.
Referring to fig. 2, 7 and 8, one end of the connecting head 205 is fixedly connected with a connecting plate 241, a plurality of fourth screw holes 242 are formed on the surface of the connecting plate 241, fourth bolts 243 are connected with the inner portions of the fourth screw holes 242 and the second screw holes 132 on the surface of the second flange 131 in a threaded manner, and fourth nuts 244 are connected with one ends of the fourth bolts 243 in a threaded manner.
In a specific embodiment, referring to fig. 2 and 6, the fourth bolt 243 is screwed into the fourth screw hole 242 and the second screw hole 132 to enhance the connection strength between the connector 205 and the outer tube 101, and the connector 205 can be detached after the fourth bolt 243 is removed from the fourth screw hole 242.
Referring to fig. 2, 7 and 8, one end of the second connecting disc 202 is fixedly connected with a first spiral ring 251, one end of the connecting head 205 is fixedly connected with a second spiral ring 252, and the second spiral ring 252 is in threaded connection with the inside of the outer tube 101.
In a specific embodiment, referring to fig. 2, 7 and 8, the first spiral ring 251 and the second spiral ring 252 made of rubber can enhance the connection tightness between the outer tube 101 and the connector 205 as well as between the oil delivery tube, so that leakage during crude oil delivery can be avoided, and the practicability of the gum dipping oil tube can be enhanced.
Referring to fig. 2 and 6, the bellows 102 is made of aluminum, the pressure-resistant tube 103 is made of UPVC, the heat-insulating tube 104 is made of polyvinyl chloride, the flame-retardant tube 106 is made of PI, and the first buffer tube 109 and the second buffer tube 120 are made of silica gel.
In a specific embodiment, referring to fig. 2 and 6, the aluminum corrugated tube 102 not only can enhance the strength of the aluminum corrugated tube, but also can control the cost, and the strength of the UPVC is higher, so that the pressure resistance of the pressure-resistant tube 103 can be enhanced, the heat-resistant property of the heat-insulating tube 104 made of polyvinyl chloride can be enhanced, the melting point of the flame-retardant tube 106 made of PI is about 400 ℃, so that the flame-retardant effect can be enhanced, and the overall buffering effect of the impregnated oil tube can be enhanced by the first buffer tube 109 and the second buffer tube 120 made of silica gel, so that the service life of the impregnated oil tube is further prolonged.
The invention provides a lightweight flame-retardant aramid fiber impregnated oil pipe, which is concretely used in the following manner: in use, first, the first spiral ring 251 is connected with the outer pipe 101 and the oil delivery pipe through the first connection disc 201 and the second connection disc 202, after the first spiral ring 251 is connected in the oil delivery pipe through threads, a plurality of third screw holes 231 on the surface of the second connection disc 202 are aligned with screw holes on the surface of a flange at one end of the oil delivery pipe, at this time, third bolts 232 in a plurality of third screw holes 231 on the surface of the second connection disc 202 are connected in a plurality of screw holes on the surface of a flange at one end of the oil delivery pipe through threads, so that the purpose of threaded connection and threaded fixation of the second spiral ring 251 and the oil delivery pipe can be realized, at this time, the first sealing ring 142 and the second sealing ring 222 are contacted and fastened through the third bolts 232, so that the tightness of the oil immersed pipe can be enhanced, in addition, when the oil delivery pipe and the outer pipe 101 are rotated after the second connection disc 202 is connected with the oil delivery pipe through threads, the first connection disc 201 and the first flange 121 are connected through threads, the outer tube 101 is screwed with the first connecting disc 201, so that the first connecting disc 201 rotates, and because the bearing 203 is fixed with the installation cavity of the sleeve 204, the first connecting disc 201 and the bearing tube 213 can rotate with the bearing 203 as the center under the action of the bearing 203, meanwhile, the oil delivery tube is screwed with the second connecting disc 202 through the third bolt 232, when the oil delivery tube rotates, the oil delivery tube can rotate with the second connecting disc 202 and the bearing tube 213 as the center, thereby realizing the purpose of three hundred sixty degrees rotation of the first connecting disc 201 and the second connecting disc 202, simultaneously facilitating the bending of the dip oil tube, further avoiding the leakage of crude oil, simultaneously, the fourth bolt 243 can enhance the tightness between the connecting head 205 and the outer tube 101, the second spiral ring 252 screwed with rubber material can enhance the tightness between the two inside the outer tube 101, avoiding the leakage during the oil outlet, therefore, the practicality of the gum dipping oil pipe can be enhanced, when the gum dipping oil pipe is used, the corrugated pipe 102 can protect the outer pipe 101 made of rubber materials, the outer pipe 101 is prevented from being worn and broken by external force, in addition, the pressure-resistant pipe 103 is matched with the aramid woven mesh 105 to be matched with the reinforcing frame 107, the integral compressive strength and antistatic performance of the gum dipping oil pipe can be enhanced, the damage of the gum dipping oil pipe is avoided, the weight of the oil pipe can be lightened by the same Shi Fang aramid woven mesh 105, the heat-insulating pipe 104 can isolate the external temperature, the oil pipe is prevented from being burnt at too high temperature, the high burning point of the flame-retardant pipe 106 can further play a flame retardant effect, and the functionality of the gum dipping oil pipe can be enhanced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A lightweight flame retardant aramid impregnated oil pipe, comprising:
the oil pipe assembly (100), oil pipe assembly (100) includes outer tube (101), bellows (102) have been cup jointed to the side surface of outer tube (101), pressure-resistant pipe (103) have been pegged graft to the inside of outer tube (101), heat-proof pipe (104) have been cup jointed to the side surface of pressure-resistant pipe (103), aramid woven mesh (105) have been inlayed to the inside of heat-proof pipe (104), flame retardant pipe (106) have been cup jointed to the side surface of heat-proof pipe (104), reinforcing frame (107) have been cup jointed to the inner wall joint of outer tube (101), unidirectional film (108) are all installed at the inner wall both ends of reinforcing frame (107), install first buffer tube (109) between pressure-resistant pipe (103) and heat-proof pipe (104), the side surface fixedly connected with a plurality of protruding stupefied (110) of first buffer tube (109), install second buffer tube (120) between heat-proof pipe (104) and flame retardant pipe (106);
coupling assembling (200), coupling assembling (200) are including installing first connection pad (201) and second connection pad (202) in outer tube (101) one end, bearing (203) are all installed to the side surface of first connection pad (201) and second connection pad (202), and two sleeve pipe (204) have all been cup jointed to the side surface of bearing (203), connector (205) are connected with in the other end detachable of outer tube (101).
2. The lightweight flame-retardant aramid impregnated oil pipe according to claim 1, wherein a fitting groove (111) is formed in the outer pipe (101), the pressure-resistant pipe (103), the heat insulation pipe (104), the aramid woven mesh (105) and the flame-retardant pipe (106) are all installed in the fitting groove (111), one end of the outer pipe (101) is fixedly connected with a first flange (121), and a first screw hole (122) is formed in the surface of the first flange (121).
3. The lightweight flame-retardant aramid impregnated oil pipe according to claim 2, wherein a second flange (131) is fixedly connected to the other end of the outer pipe (101), and a second screw hole (132) is formed in the surface of the second flange (131).
4. The lightweight flame retardant aramid impregnated oil pipe according to claim 2 wherein the surface of the first flange (121) is provided with a first mounting groove (141), and the first mounting groove (141) is internally provided with a first sealing ring (142).
5. The lightweight flame-retardant aramid fiber impregnated oil pipe according to claim 1, wherein a spacer ring (211) is fixedly arranged on the inner wall of the sleeve (204), the sleeve (204) is divided into two mounting cavities by the spacer ring (211), the opposite surfaces of the first connecting disc (201) and the second connecting disc (202) are fixedly connected with a connecting tube (213), one end of the connecting tube (213) is fixedly connected with a limiting ring (212), the bearing (203) is sleeved on the side surface of the connecting tube (213), and the two bearings (203) are fixedly arranged in the mounting cavities at the two ends of the sleeve (204).
6. The lightweight flame-retardant aramid impregnated oil pipe according to claim 1, wherein a second mounting groove (221) is formed in the surface of the first connecting disc (201), and a second sealing ring (222) is mounted in the second mounting groove (221).
7. The lightweight flame-retardant aramid impregnated oil pipe according to claim 2, wherein the surfaces of the first connecting disc (201) and the second connecting disc (202) are provided with a plurality of third screw holes (231), the third screw holes (231) on the surface of the first connecting disc (201) and the third screw holes (232) are connected with each other through threads in the first screw holes (122) on the surface of the first flange (121), one ends of the third screw holes (232) are connected with third nuts (233) through threads in the third screw holes (231), and the third screw holes (232) are connected with each other through threads in the third screw holes (231) on the surface of the second connecting disc (202).
8. A lightweight flame-retardant aramid impregnated oil pipe according to claim 3 wherein one end of the connector (205) is fixedly connected with a connecting sheet (241), a plurality of fourth screw holes (242) are formed in the surface of the connecting sheet (241), fourth bolts (243) are connected with the inside of the fourth screw holes (242) and the second screw holes (132) on the surface of the second flange (131) in a threaded manner, and fourth nuts (244) are connected with one ends of the fourth bolts (243) in a threaded manner.
9. The lightweight flame-retardant aramid impregnated oil pipe according to claim 1, wherein one end of the second connecting disc (202) is fixedly connected with a first spiral ring (251), one end of the connecting head (205) is fixedly connected with a second spiral ring (252), and the second spiral ring (252) is in threaded connection with the inside of the outer pipe (101).
10. The lightweight flame retardant aramid impregnated oil pipe according to claim 1 wherein the corrugated tube (102) is of aluminum material, the pressure resistant tube (103) is of UPVC material, the thermal insulation tube (104) is of polyvinyl chloride material, the flame retardant tube (106) is of PI material, and the first buffer tube (109) and the second buffer tube (120) are of silica gel material.
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