Spraying winding type thermal insulation pipe

Abstract

The utility model relates to the technical field of thermal insulation pipes, in particular to a spraying winding type thermal insulation pipe. According to the technical scheme, the device comprises a steel pipe and a butt joint assembly arranged on the periphery of the steel pipe, the steel pipe is provided with a supporting assembly and an adjusting assembly, the supporting assembly comprises multiple sets of fixing columns fixedly installed on the periphery of the steel pipe, the inner sides of the multiple sets of fixing columns are each slidably provided with a supporting column, and one end of the outer side of each supporting column extends out of the corresponding fixing column; a supporting block is fixedly installed at one end of the outer side of each fixing column, a supporting frame is fixedly supported on the outer sides of the multiple supporting blocks, and the supporting frame is in a spiral shape and located on the periphery of the steel pipe. According to the device, the fixing columns, the supporting columns, the supporting blocks, the supporting frames and the fixing pins are matched with one another, so that a polyethylene winding layer can be supported, the situation that the polyethylene winding layer is sunken downwards is avoided, the distance between the supporting frames and the outer wall of the steel pipe can be adjusted, and the thickness of a polyurethane spraying layer can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipes, in particular to a spray-wrap type thermal insulation pipe. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquid, gas and other media. Usually, when cities are carrying out heating or cooling transportation, it is necessary to make the pipes achieve insulation effect, which requires the use of spray-wrapped insulation pipe.

[0003] In the prior art, there are the following problems:

[0004] Existing insulation pipes usually spray polyurethane material on the outside of the steel pipe, and then wrap polyethylene material around the polyurethane material, so that the polyurethane material and the polyethylene material insulate the steel pipe, thereby insulating the steel pipe. However, the existing polyethylene material is not convenient for positioning and supporting when wrapped around the outside of the steel pipe, which makes the polyethylene material prone to sinking downward. At the same time, it is not convenient to adjust the distance between the polyethylene and the outer wall support of the steel pipe, and it is not convenient to adjust the thickness of the polyurethane material. Utility Model Content

[0005] The utility model aims to provide a spray-wound thermal insulation pipe to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spray-wrapped thermal insulation pipe, comprising a steel pipe and a docking assembly arranged on the periphery of the steel pipe, the steel pipe is provided with a support assembly and an adjustment assembly, the support assembly comprises a plurality of groups of fixed columns fixedly installed on the periphery of the steel pipe, a support column is slidably installed on the inner sides of the plurality of groups of fixed columns, a fixing column is extended at one end of the outer sides of the plurality of support columns, a support block is fixedly installed at one end of the outer sides of each of the fixed columns, a support frame is fixed to the outer sides of the plurality of support blocks, the support frame is spirally shaped and is located on the periphery of the steel pipe, a polyurethane spray layer is sprayed on the periphery of the steel pipe, a polyethylene winding layer is wound around the periphery of the support frame, the adjustment assembly comprises a plurality of fixing pins movably installed on the plurality of fixing columns, each of the fixing pins penetrates a fixing column and a support column, a plurality of adjustment holes are opened on the inner side of each of the support columns, the adjustment holes correspond to the fixing pins, a latch rod is movably installed at one end of each of the fixing pins, and the latch rod penetrates the fixing pin.

[0007] By inserting the support column into the fixed column, one of the adjustment hole fixing pins is aligned, and by passing the fixing pin through the fixed column, the fixing pin can be fixed, and the support column and the fixed column are fixed simultaneously, and the support block can be supported and fixed at the same time, by wrapping the support frame around the periphery of the steel pipe, the support frame is sequentially stuck on the outside of the support block, and the support frame can be spirally wrapped around the periphery of the steel pipe, by pulling the support column to slide up and down along the fixed column, the fixing pin is inserted into different adjustment holes, and the distance between the support block and the outer wall of the steel pipe can be adjusted, and the distance between the support frame and the outer wall of the steel pipe can be adjusted at the same time, by spraying polyurethane material on the outer wall of the steel pipe, the polyurethane material is expanded to form a polyurethane spray layer, and before the polyurethane material expands, the polyethylene winding layer is wrapped around the periphery of the support frame, and the polyurethane material fills the gap between the polyethylene winding layer and the steel pipe when it expands, and the steel pipe can be insulated by the polyurethane spray layer and the polyethylene winding layer, so that the steel pipe has a thermal insulation effect, and the distance between the polyethylene winding layer and the outer wall of the steel pipe can be adjusted by adjusting the distance between the support frame and the outer wall of the steel pipe, thereby adjusting the thickness of the polyurethane spray layer.

[0008] Preferably, the docking assembly includes a splice barrel fixedly mounted at one end of the steel pipe, and a guide slope is provided at one end of the splice barrel. By inserting the splice barrel of one steel pipe into the docking groove of another steel pipe, the splice barrel can be conveniently inserted into the docking groove by guiding with the guide slope, so that multiple steel pipes can be conveniently docked.

[0009] Preferably, a docking groove is provided at the other end of the steel pipe, the docking groove is located on the inner wall of the steel pipe, and the docking groove corresponds to the plug-in tube. The plug-in tube can be conveniently inserted through the docking groove.

[0010] Preferably, a slide groove is provided on the inner side of each of the fixing columns, and each of the supporting columns is slidably mounted on a slide groove, so that the supporting columns can slide up and down through the slide groove.

[0011] Preferably, a handle is movably mounted on one end of each fixing pin, and a fixing hole is opened on the other end of each fixing pin, and each fixing hole corresponds to a latch rod. The handle can be used to facilitate the removal of the fixing pin, and the fixing hole can be used to facilitate the fixing pin to pass through the fixing column.

[0012] Preferably, a through hole corresponding to the fixing pin is provided on the inner side of the fixing column, and the fixing pin passes through the fixing column through the through hole, and a fixing groove corresponding to the support frame is provided on the outer side of each support block. The through hole can facilitate the insertion of the latch rod to limit the fixing pin, and the steel pipe fixing groove can facilitate the support block to limit the support frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting up the mutual cooperation among the fixed column, the support column, the support block, the support frame and the fixed pin, and by gradually wrapping the support frame around the periphery of the steel pipe so that the support frame is stuck in the fixed groove on the support block, the support frame can be spirally wrapped around the periphery of the steel pipe, and the polyethylene wrapping layer can be supported by the support frame to prevent the polyethylene wrapping layer from sinking downward. By driving the support column to slide along the fixed column to slide to a suitable position, and then passing the fixed pin through the support column and the fixed column, the distance between the support block and the outer wall of the steel pipe can be adjusted, thereby adjusting the distance between the support frame and the outer wall of the steel pipe, and the thickness of the polyurethane spray layer can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the cutaway structure of a steel pipe of the utility model;

[0018] Figure 4 This is a schematic diagram of the cutaway structure of the fixed column of the utility model;

[0019] Figure 5 It is a schematic diagram of the disassembly structure of the fixing pin of the utility model.

[0020] In the figure: 1. steel pipe; 2. plug-in cylinder; 3. guide slope; 4. polyurethane spray layer; 5. polyethylene winding layer; 6. fixing column; 7. support column; 8. support block; 9. support frame; 10. docking groove; 11. slide groove; 12. fixing pin; 13. handle; 14. latch rod; 15. adjustment hole; 16. fixing groove; 17. through hole; 18. fixing hole. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] The utility model provides Figure 1-5A spray-wrapped thermal insulation pipe shown in the figure comprises a steel pipe 1 and a docking assembly arranged on the periphery of the steel pipe 1, a support assembly and an adjustment assembly are arranged on the steel pipe 1, the support assembly comprises a plurality of groups of fixed columns 6 fixedly installed on the periphery of the steel pipe 1, a support column 7 is slidably installed on the inner side of the plurality of fixed columns 6, a plurality of support columns 7 extend from one end of the outer side of the fixed columns 6, a support block 8 is fixedly installed on one end of the outer side of each fixed column 6, a support frame 9 is fixed on the outer side of the plurality of support blocks 8, the support frame 9 is spirally shaped and is located on the periphery of the steel pipe 1, a polyurethane spray layer 4 is sprayed on the periphery of the steel pipe 1, a polyethylene winding layer 5 is wound around the periphery of the support frame 9, the adjustment assembly comprises a plurality of fixed pins 12 movably installed on the plurality of fixed columns 6, each fixed pin 12 penetrates a fixed column 6 and a support column 7, a plurality of adjustment holes 15 are opened on the inner side of each support column 7, the adjustment holes 15 correspond to the fixed pins 12, a latch rod 14 is movably installed on one end of each fixed pin 12, and the latch rod 14 penetrates the fixed pin 12;

[0023] The docking assembly includes a plug-in tube 2 fixedly mounted at one end of a steel pipe 1, and a guide slope 3 is provided at one end of the plug-in tube 2;

[0024] A butt joint groove 10 is provided at the other end of the steel pipe 1. The butt joint groove 10 is located on the inner wall of the steel pipe 1 and corresponds to the plug-in tube 2.

[0025] A slide groove 11 is provided on the inner side of each fixing column 6, and each supporting column 7 is slidably mounted on a slide groove 11;

[0026] A handle 13 is movably mounted on one end of each fixing pin 12, and a fixing hole 18 is formed on the other end of each fixing pin 12, and each fixing hole 18 corresponds to a latch rod 14;

[0027] A through hole 17 corresponding to the fixing pin 12 is formed on the inner side of the fixing column 6 , and the fixing pin 12 passes through the fixing column 6 through the through hole 17 . A fixing groove 16 corresponding to the supporting frame 9 is formed on the outer side of each supporting block 8 .

[0028] The working principle of the spray-wrapped thermal insulation pipe according to the embodiment is as follows: by inserting the support column 7 into the fixing column 6, aligning one of the adjustment holes 15 with the through hole 17, passing the fixing pin 12 through the through hole 17, and then inserting the latch rod 14 into the fixing hole 18, and bending the latch rod 14 after insertion, the latch rod 14 can limit the fixing pin 12 to prevent the fixing pin 12 from falling off, and the support column 7 and the fixing column 6 can be fixed;

[0029] The support block 8 can be supported by the fixed column 6 and the support column 7. By winding the support frame 9 around the periphery of the steel pipe 1 and making the support frame 9 stuck in the fixed groove 16 in turn, the support frame 9 can be spirally wound around the periphery of the steel pipe 1. By pulling the support column 7 to slide up and down along the slide groove 11, the different adjustment holes 15 are aligned with the through hole 17, and the distance between the support block 8 and the outer wall of the steel pipe 1 can be adjusted, and the distance between the support frame 9 and the outer wall of the steel pipe 1 can be adjusted at the same time;

[0030] The polyurethane material is sprayed on the outer wall of the steel pipe 1 to expand the polyurethane material to form a polyurethane spray layer 4. Before the polyurethane material expands, the polyethylene winding layer 5 is wound around the outer periphery of the support frame 9. When the polyurethane material expands, the gap between the polyethylene winding layer 5 and the steel pipe 1 is filled. The steel pipe 1 can be insulated by the polyurethane spray layer 4 and the polyethylene winding layer 5, so that the steel pipe 1 has a heat preservation effect.

[0031] By adjusting the distance between the support frame 9 and the outer wall of the steel pipe 1, the distance between the polyethylene winding layer 5 and the outer wall of the steel pipe 1 can be adjusted, thereby adjusting the thickness of the polyurethane spray layer 4. By inserting the splicing tube 2 of one steel pipe 1 into the docking groove 10 of another steel pipe 1 and guiding it with the guide slope 3, multiple steel pipes 1 can be conveniently docked.

[0032] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A spray-wrapped thermal insulation pipe, comprising a steel pipe (1) and a docking assembly arranged on the periphery of the steel pipe (1), characterized in that: The steel pipe (1) is provided with a supporting component and an adjusting component; The support assembly comprises a plurality of groups of fixed columns (6) fixedly mounted on the periphery of the steel pipe (1), a support column (7) being slidably mounted on the inner side of each of the plurality of groups of fixed columns (6), a fixed column (6) extending from one end of the outer side of each of the plurality of support columns (7), a support block (8) being fixedly mounted on one end of the outer side of each of the plurality of fixed columns (6), a support frame (9) being fixedly supported on the outer side of each of the plurality of support blocks (8), the support frame (9) being spirally shaped and being located on the periphery of the steel pipe (1), a polyurethane spray layer (4) being sprayed on the periphery of the steel pipe (1), and a polyethylene winding layer (5) being wound around the periphery of the support frame (9); The adjustment assembly comprises a plurality of fixing pins (12) movably mounted on a plurality of fixing columns (6), each of the fixing pins (12) passing through a fixing column (6) and a supporting column (7), a plurality of adjustment holes (15) are provided on the inner side of each supporting column (7), the adjustment holes (15) corresponding to the fixing pins (12), and a latch rod (14) is movably mounted on one end of each fixing pin (12), the latch rod (14) passing through the fixing pin (12).

2. The spray-wrapped thermal insulation pipe according to claim 1, characterized in that: The docking assembly comprises a splicing tube (2) fixedly mounted on one end of a steel pipe (1), and a guide slope (3) is provided at one end of the splicing tube (2).

3. The spray-wrapped thermal insulation pipe according to claim 2, characterized in that: The other end of the steel pipe (1) is provided with a docking groove (10), the docking groove (10) is located on the inner wall of the steel pipe (1), and the docking groove (10) corresponds to the plug-in tube (2).

4. The spray-wrapped thermal insulation pipe according to claim 1, characterized in that: A slide groove (11) is provided on the inner side of each of the fixing columns (6), and each of the supporting columns (7) is slidably mounted on a slide groove (11).

5. The spray-wrapped thermal insulation pipe according to claim 1, characterized in that: A handle (13) is movably mounted on one end of each fixing pin (12), and a fixing hole (18) is opened on the other end of each fixing pin (12), and each fixing hole (18) corresponds to a latch rod (14).

6. The spray-wrapped thermal insulation pipe according to claim 1, characterized in that: A through hole (17) corresponding to the fixing pin (12) is provided on the inner side of the fixing column (6); the fixing pin (12) passes through the fixing column (6) through the through hole (17); and a fixing groove (16) corresponding to the supporting frame (9) is provided on the outer side of each supporting block (8).

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