Steel fiber reinforced polyethylene composite pressure pipeline

Abstract

The utility model relates to the technical field of pipeline engineering, and discloses a steel fiber reinforced polyethylene composite pressure pipeline which comprises a pipe body, a connecting ring is slidably connected to the outer wall of the pipe body, a supporting shell is fixedly connected to the outer wall of the connecting ring, a sliding sleeve is rotatably connected to the interior of the supporting shell, and a fixing sleeve is fixedly connected to the inner wall of the sliding sleeve. A threaded column is in threaded connection with the interior of the fixing sleeve, a push rod is fixedly connected with the interior of the threaded column, a connecting column is fixedly connected with the lower surface of the sliding sleeve, a limiting shell is slidably connected with the outer wall of the connecting column, and a limiting column is fixedly connected with the interior of the connecting column. The push rod is pushed, the sliding sleeve, the fixing sleeve, the threaded column, the fixing piece, the spring, the connecting column and the limiting column are matched with one another, so that the limiting column rotates in the limiting shell and is clamped in the limiting groove, the effect that the supporting shell and the limiting shell are clamped tightly is achieved, meanwhile, the pipe body is conveniently and rapidly disassembled, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline engineering technical field especially relates to a kind of steel fiber reinforced polyethylene composite pressure pipelines. BACKGROUND

[0002] Pipeline is a kind of channel system for conveying fluid (such as liquid, gas, slurry) or solid particles, steel fiber reinforced polyethylene composite pressure pipeline is a kind of composite pipeline combined with high-density polyethylene and steel fiber reinforced material, its lightweight, long service life, low maintenance cost characteristics make it become the ideal substitute of traditional metal pipeline, so it needs to use a kind of steel fiber reinforced polyethylene composite pressure pipeline in the scene needing long-term stable operation, reducing long-term operation cost etc.

[0003] A kind of steel fiber reinforced polyethylene composite pressure pipeline by embedding steel fiber in polyethylene matrix, significantly improve the strength, rigidity and compression resistance of pipeline, while retaining the corrosion resistance, lightweight and easy processing of polyethylene etc.Advantages.In prior art, the butt joint of pipeline is usually connected by welding, when problem occurs and needs to be replaced, assembly and disassembly are more cumbersome, inconvenient to improve work efficiency. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of steel fiber reinforced polyethylene composite pressure pipeline, aims at improving the problem that it is more cumbersome to install and disassemble by welding for butt joint assembly, inconvenient to improve work efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steel fiber reinforced polyethylene composite pressure pipeline, including pipe body, the outer wall of the pipe body is slidably connected with connecting ring, the outer wall of the connecting ring is fixedly connected with support shell, the inside rotationally connected with sliding sleeve of the support shell, the inner wall of the sliding sleeve is fixedly connected with fixed sleeve, the inside screw thread connection has screw column of the fixed sleeve, the inside fixedly connected with push rod of the screw column, the lower surface of the sliding sleeve is fixedly connected with connecting column, the outer wall of the connecting column is slidably connected with limit shell, the outer wall of the limit shell is fixedly connected in the outer wall of connecting ring, the inside fixedly connected with limit column of the connecting column, the outer wall of the limit column is slidably connected in the inside of limit shell, the inside of the limit shell is equipped with limit slot, the outer wall of the limit column is slidably connected in the inner wall of limit slot, the inner wall of the sliding sleeve is provided with reset component.

[0006] Preferably, the reset component includes a fixed sheet, the outer wall of the fixed sheet is slidably connected to the inner wall of the sliding sleeve, and the outer wall of the fixed sheet is fixedly connected with a spring.

[0007] Preferably, the upper surface of the fixed sheet is fixedly connected to the lower surface of the screw column, and the upper surface of the fixed sheet is slidably connected to the lower surface of the fixed sleeve.

[0008] Preferably, the inner wall of the pipe body is fixedly connected with a sealing ring, the inner portion of the pipe body is provided with an ultraviolet resistant layer, the outer wall of the ultraviolet resistant layer is provided with an oxygen barrier layer, the outer wall of the oxygen barrier layer is provided with an antistatic layer, and the outer wall of the antistatic layer is provided with a hydrophobic layer.

[0009] Preferably, the material of the ultraviolet resistant layer is titanium dioxide.

[0010] Preferably, the material of the oxygen barrier layer is ethylene-vinyl alcohol copolymer.

[0011] Preferably, the material of the antistatic layer is quaternary ammonium salt compound.

[0012] Preferably, the material of the hydrophobic layer is polytetrafluoroethylene.

[0013] The utility model has the advantages of the following:

[0014] 1. In the utility model, the push rod is pushed, the mutual cooperation between the sliding sleeve, the fixed sleeve, the threaded column, the fixed sheet, the spring, the connecting column and the limiting column makes the limiting column rotate in the inside of the limiting shell and is clamped in the limiting groove, reaches the effect that the supporting shell and the limiting shell are clamped, and the pipe body can be conveniently and quickly disassembled, the installation efficiency is improved and the construction difficulty is reduced.

[0015] 2. In the utility model, the mutual cooperation between the ultraviolet resistant layer, the oxygen barrier layer, the antistatic layer and the hydrophobic layer improves the performance of the pipeline, prolongs the service life of the pipeline, effectively reduces the aging and corrosion of the pipeline and reduces the maintenance cost. DRAWINGS

[0016] Figure 1 A perspective view of a steel fiber reinforced polyethylene composite pressure pipeline is provided for the utility model;

[0017] Figure 2 A connecting ring partial structure schematic view of a steel fiber reinforced polyethylene composite pressure pipeline is provided for the utility model;

[0018] Figure 3 A threaded column partial structure schematic view of a steel fiber reinforced polyethylene composite pressure pipeline is provided for the utility model;

[0019] Figure 4 A spring partial structure schematic view of a steel fiber reinforced polyethylene composite pressure pipeline is provided for the utility model;

[0020] Figure 5 A pipe body internal structure cross-sectional view schematic view of a steel fiber reinforced polyethylene composite pressure pipeline is provided for the utility model.

[0021] LEGEND EXPLANATION:

[0022] 1, pipe body; 2, connecting ring; 3, support shell; 4, limiting shell; 5, sliding sleeve; 6, fixed sleeve; 7, threaded column; 8, push rod; 9, fixed sheet; 10, spring; 11, connecting column; 12, limiting column; 13, limiting groove; 14, ultraviolet resistant layer; 15, oxygen barrier layer; 16, antistatic layer; 17, hydrophobic layer; 18, sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] With reference to Figure 1 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of steel fiber reinforced polyethylene composite pressure pipeline, including pipe body 1, the outer wall of pipe body 1 is slidably connected with connecting ring 2, the outer wall of connecting ring 2 is fixedly connected with support shell 3, the inside rotationally connected with sliding sleeve 5 of support shell 3, the inner wall of sliding sleeve 5 is fixedly connected with fixed sleeve 6, the inside screw thread connection of fixed sleeve 6 has threaded column 7, the inside fixed connection of threaded column 7 has push rod 8, the lower surface of sliding sleeve 5 is fixedly connected with connecting column 11, the outer wall of connecting column 11 is slidably connected with limiting shell 4, the outer wall of limiting shell 4 is fixedly connected in the outer wall of connecting ring 2, the inside fixed connection of connecting column 11 has limiting column 12, the outer wall of limiting column 12 is slidably connected in the inside of limiting shell 4, the inside of limiting shell 4 is equipped with limiting groove 13, the outer wall of limiting column 12 is slidably connected in the inner wall of limiting groove 13, the inner wall of sliding sleeve 5 is provided with reset assembly.

[0025] Specifically, the pipe body 1 and the connecting ring 2 are kept stable by the friction force when the connecting ring 2 is sleeved on the outer wall of the pipe body 1, the connecting ring 2 has two, which are sleeved on the outer walls of the two pipe bodies 1 that need to be connected, the connecting ring 2 has a fixing effect on the supporting shell 3 and the limiting shell 4, the supporting shell 3 has a supporting and limiting offset effect on the sliding sleeve 5, so that the sliding sleeve 5 can only rotate in the inside of the supporting shell 3 and cannot be separated from the inside of the supporting shell 3, the sliding sleeve 5 has a fixing effect on the fixed sleeve 6, and the fixed sleeve 6 has a limiting offset effect on the threaded column 7, the limiting shell 4 is provided with a sliding groove in the inside, so that the connecting column 11 and the limiting column 12 can vertically slide, the limiting shell 4 is provided with two limiting grooves in the inside, so that the limiting column 12 can rotate, when the threaded column 7 is moved to the last position in the inside of the fixed sleeve 6 by pushing the push rod 8, the limiting column 12 is rotated to a position that can pass through the sliding groove through the connecting column 11, then the push rod 8 is loosened, and the limiting column 12 is rotated to a position that is perpendicular to the sliding groove in the inside of the limiting shell 4 through the inner wall of the limiting groove 13, so that the two connecting rings 2 are clamped, and the pipe bodies 1 are stably connected together through the clamping between the connecting rings 2.

[0026] With reference to Figure 3 and Figure 4 , the reset assembly comprises a fixed sheet 9, the outer wall of the fixed sheet 9 is slidably connected to the inner wall of the sliding sleeve 5, the outer wall of the fixed sheet 9 is fixedly connected with a spring 10, and the upper surface of the fixed sheet 9 is fixedly connected to the lower surface of the threaded column 7 and slidably connected to the lower surface of the fixed sleeve 6.

[0027] Specifically, the threaded column 7 has a fixing effect on the fixed sheet 9, the fixed sheet 9 has two, which respectively support the spring 10, and the lower fixed sheet 9 is rotatably connected to the inside of the sliding sleeve 5 and has a gap with the sliding sleeve 5, when the threaded column 7 moves downward, the spring 10 is extruded by the fixed sheet 9, at the same time, the fixed sleeve 6 rotates and drives the sliding sleeve 5 to rotate, and the sliding sleeve 5 does not drive the fixed sheet 9 to rotate when rotating, so that the spring 10 is not offset when being extruded by the upper fixed sheet 9, and after the push rod 8 is loosened, the spring 10 restores the threaded column 7 to the original position by the upward elastic force and drives the limiting column 12 to rotate in the inner wall of the limiting groove 13.

[0028] With reference to Figure 2 and Figure 5 , the inner wall of the pipe body 1 is fixedly connected with a sealing ring 18, the inside of the pipe body 1 is provided with an ultraviolet resistant layer 14, the outer wall of the ultraviolet resistant layer 14 is provided with an oxygen barrier layer 15, the outer wall of the oxygen barrier layer 15 is provided with an antistatic layer 16, and the outer wall of the antistatic layer 16 is provided with a hydrophobic layer 17.

[0029] Specifically, when the two pipe bodies 1 are connected, one pipe body 1 is slidably attached to the inside of the other pipe body 1, and the sealing ring 18 inside the pipe body 1 can ensure tight attachment when the two pipe bodies 1 are connected, the anti-ultraviolet layer 14 and the oxygen barrier layer 15 can prevent oxygen penetration and prevent ultraviolet degradation, prolonging the outdoor service life of the pipe, the anti-static layer 16 can prevent static accumulation, reduce dust adsorption, and the hydrophobic layer 17 can reduce fluid adhesion and prevent dirt and microbial deposition.

[0030] Referring to Figure 5 , the material of the anti-ultraviolet layer 14 is titanium dioxide, and the material of the oxygen barrier layer 15 is ethylene-vinyl alcohol copolymer.

[0031] Specifically, titanium dioxide has excellent ultraviolet reflection and scattering properties, which can prevent ultraviolet degradation of the polyethylene material, maintain the appearance and mechanical properties of the pipe, prevent aging, brittleness or discoloration, and ethylene-vinyl alcohol copolymer has excellent oxygen barrier properties, which can prevent oxygen from penetrating into the pipe, avoid the deterioration of the fluid in the pipe due to oxidation, and the material of the anti-ultraviolet layer 14 and the oxygen barrier layer 15 can effectively prolong the service life of the pipe in outdoor environment.

[0032] Referring to Figure 5 , the material of the anti-static layer 16 is quaternary ammonium salt compound.

[0033] Specifically, by adding an antistatic agent, i.e. quaternary ammonium salt compound, to the pipe material, static accumulation can be prevented, dust and particulate matter adsorption on the surface of the pipe body 1 can be reduced, the pipe body 1 can be kept clean, and it is suitable for the transportation of flammable and explosive media.

[0034] Referring to Figure 5 , the material of the hydrophobic layer 17 is polytetrafluoroethylene.

[0035] Specifically, polytetrafluoroethylene has very low surface energy and excellent hydrophobic properties, and through the characteristics of polytetrafluoroethylene material, fluid adhesion on the inner wall of the pipe can be effectively reduced, fluid resistance can be reduced, transportation efficiency can be improved, dirt, scale or microbial deposition on the inner wall of the pipe can be prevented, and maintenance cost can be reduced.

[0036] Working principle: when the pipeline needs to be used, the connecting ring 2 is sleeved on the outer wall of the pipe body 1, then one end of the pipe body 1 is put into the other pipe body 1, the connecting column 11 and the limiting column 12 are aligned with the limiting groove 13 in the limiting shell 4 during the putting process, then the push rod 8 is pushed, the push rod 8 drives the threaded column 7 to move in the fixed sleeve 6, the threaded column 7 drives the fixed sheet 9 to move during the moving process, and the fixed sheet 9 extrudes the spring 10, at the same time, the threaded column 7 rotates the fixed sleeve 6 through the threaded action during the moving process, the fixed sleeve 6 drives the sliding sleeve 5 to rotate at the same time, the sliding sleeve 5 drives the connecting column 11 to rotate during the rotating process, then the connecting column 11 and the limiting column 12 are simultaneously slid into the limiting shell 4, and the two connecting rings 2 are pasted, then the push rod 8 is loosened, the threaded column 7 moves back to the original position through the elastic force of the spring 10, during the moving process, the sliding sleeve 5 rotates, and the connecting column 11 rotates to drive the limiting column 12 to rotate on the inner wall of the limiting groove 13, and is perpendicular to the sliding groove in the limiting shell 4, thereby the limiting column 12 is clamped in the limiting groove 13, the connecting rings 2 are clamped, the tightness of the pipe body 1 is ensured, at the same time, the ultraviolet rays can be reflected through the material effect of the ultraviolet resistant layer 14, the rapid aging, brittleness or discoloration of the pipe body 1 in the outdoor environment is prevented, the oxygen is prevented from entering the pipeline through the oxygen barrier layer 15, the oxidation and metamorphic of the fluid in the pipe body 1 is avoided, the quality safety of the transported material is ensured, then the safety of the pipeline is improved through the antistatic layer 16, the static electricity is prevented from accumulating, the adsorption of dust is reduced, the safety problem is avoided when transporting flammable and explosive medium, finally, the inner wall of the pipe body 1 has less dirt or microbial deposition through the effect of the hydrophobic layer 17, the cleanliness of the pipe body 1 is improved, the pipeline can not only be quickly connected and disassembled, the installation efficiency is improved, and the construction complexity is reduced, at the same time, the performance of the pipeline is improved, the service life of the pipeline is prolonged, and the maintenance cost is reduced.

[0037] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A steel fiber reinforced polyethylene composite pressure pipe comprising a pipe body (1), characterized in that: The outer wall of the pipe body (1) is slidably connected with a connecting ring (2), the outer wall of the connecting ring (2) is fixedly connected with a supporting shell (3), the inner wall of the supporting shell (3) is rotatably connected with a sliding sleeve (5), the inner wall of the sliding sleeve (5) is fixedly connected with a fixed sleeve (6), the inner part of the fixed sleeve (6) is threadedly connected with a threaded column (7), the inner part of the threaded column (7) is fixedly connected with a push rod (8), the lower surface of the sliding sleeve (5) is fixedly connected with a connecting column (11), the outer wall of the connecting column (11) is slidably connected with a limiting shell (4), the outer wall of the limiting shell (4) is fixedly connected with the outer wall of the connecting ring (2), the inner part of the connecting column (11) is fixedly connected with a limiting column (12), the outer wall of the limiting column (12) is slidably connected with the inner part of the limiting shell (4), the inner part of the limiting shell (4) is provided with a limiting groove (13), the outer wall of the limiting column (12) is slidably connected with the inner wall of the limiting groove (13), and the inner wall of the sliding sleeve (5) is provided with a reset assembly.

2. A steel fiber reinforced polyethylene composite pressure pipe according to claim 1, characterized in that: The reset assembly comprises a fixed sheet (9), and the outer wall of the fixed sheet (9) is slidably connected with the inner wall of the sliding sleeve (5).

3. A steel fiber reinforced polyethylene composite pressure pipe according to claim 2, characterized in that: The upper surface of the fixed sheet (9) is fixedly connected with the lower surface of the threaded column (7), and the upper surface of the fixed sheet (9) is slidably connected with the lower surface of the fixed sleeve (6).

4. A steel fiber reinforced polyethylene composite pressure pipe according to claim 1, characterized in that: The inner wall of the pipe body (1) is fixedly connected with a sealing ring (18), the inner part of the pipe body (1) is provided with an ultraviolet resistant layer (14), the outer wall of the ultraviolet resistant layer (14) is provided with an oxygen barrier layer (15), the outer wall of the oxygen barrier layer (15) is provided with an antistatic layer (16), and the outer wall of the antistatic layer (16) is provided with a hydrophobic layer (17).

5. A steel fiber reinforced polyethylene composite pressure pipe according to claim 4, characterized in that: The material of the ultraviolet resistant layer (14) is titanium dioxide.

6. A steel fiber reinforced polyethylene composite pressure pipe according to claim 4, characterized in that: The material of the oxygen barrier layer (15) is ethylene-vinyl alcohol copolymer.

7. A steel fiber reinforced polyethylene composite pressure pipe according to claim 4, characterized in that: The material of the antistatic layer (16) is quaternary ammonium salt compound.

8. A steel fiber reinforced polyethylene composite pressure pipe according to claim 4, characterized in that: The material of the hydrophobic layer (17) is polytetrafluoroethylene.

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