Fixing device for large-diameter high-strength directly-buried thermal insulation pipe

Abstract

The utility model discloses a fixing device for a large-diameter high-strength directly-buried thermal insulation pipe, which comprises a plurality of pipe body fixing frames, a timber pile and a pipe hoop, and thermal insulation pipes are arranged among the plurality of pipe body fixing frames; according to the heat preservation pipe fixing device, the pipe hoops and the pipe body fixing frames arranged on the outer surfaces of the pipe hoops in a surrounding mode are adopted to form the heat preservation pipe fixing device, the pipe hoops are installed on the outer wall face of the heat preservation pipe in a sleeving mode at equal intervals, then the heat preservation pipe with the pipe hoops is placed into the concave pit, and at the moment, the pipe body fixing frames are inserted into the concave pit; a lining frame of a pipe body fixing frame is connected with a dovetail strip correspondingly arranged on the outer surface of a pipe hoop through a dovetail groove, then a square timber pile is inserted into a positioning groove in the convex face of the pipe body fixing frame, the part, extending out of the pipe body fixing frame, of the square timber pile is made to make contact with the inner wall of a pit, and the perpendicularity of the heat preservation pipe located on the inner side of the pit is kept; and a soil filling layer is filled in a gap between the pit and the thermal insulation pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipes, in particular to a fixing device for large-diameter high-strength directly buried thermal insulation pipes. Background Art

[0002] Polyurethane pipes have the characteristics of wear resistance, small bending radius, light weight, good elasticity, and aging resistance. When burying large-diameter insulation pipes underground, the pipe body needs to be fixed. The existing method of fixing the pipe body is to cut bricks first and fix the pipe body underground by filling the soil.

[0003] In the prior art, announcement number CN219571094U discloses a large-caliber high-strength direct-buried thermal insulation pipe fixing device, including a fastening foot plate, the two ends of the fastening foot plate are rotatably connected to an extended foot plate, the extended foot plate is internally movably plugged with a fastening pin, the upper end face of the fastening foot plate is fixedly connected to an outer fixed sleeve, the top end of the outer fixed sleeve is slidably connected to an inner slide rod, the side of the inner slide rod is provided with a first screw groove, the internal thread of the first screw groove is connected to a first bolt, the top end of the inner slide rod is fixedly connected to an outer rotating sleeve, the end face of the outer rotating sleeve is movably connected to a bolt fastener, and the outer rotating sleeve is rotatably connected to an inner fixed block through a bolt fastener. The large-caliber high-strength direct-buried thermal insulation pipe fixing device can support the pipe body buried deep underground through the fastening foot plate and the extended foot plate, so that the pipe body is more stable when used for landfill.

[0004] In combination with the implementation of the above scheme, this pipe body fixing device needs to specifically adjust several adjustable pipe clamps (telescopic rings) sleeved on the outer wall of the pipe body, and fix the fastening pins of the fastening foot plate. In order to meet the above installation requirements, both the adjustable pipe clamp and the fastening foot plate need to be manually inserted into the pit where the pipe body is installed, which has certain safety hazards and is difficult to construct, which is not conducive to the quick fixation of the pipe body.

[0005] To this end, a fixing device for large-diameter high-strength direct-buried insulated pipes is proposed, which has the advantages of convenient and quick fixing of the pipe body and no need for downward exploration, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes a fixing device for a large-diameter high-strength directly buried thermal insulation pipe.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixing device for a large-diameter high-strength directly buried insulated pipe, comprising a pipe body fixing frame, a wooden stake and a pipe clamp, wherein a plurality of the pipe body fixing frames are provided, and an insulation pipe is provided between the plurality of pipe body fixing frames, a pit is provided on the periphery of the insulation pipe, and a soil filling layer is filled between the pit and the insulation pipe, a plurality of pipe clamps are equidistantly sleeved and installed on the outer wall surface of the insulation pipe, and a plurality of dovetail strips are welded around the outer ring of each pipe clamp, an arc plate is provided on the pipe body fixing frame, and an inner liner frame is integrally formed on the concave surface of the arc plate, and a positioning groove is provided on the convex surface of the arc plate, a dovetail groove is provided on the end of the inner liner frame away from the arc plate, and the inner liner frame is connected to the dovetail strip through the dovetail groove, a wooden stake is inserted and installed in the positioning groove, and the part of the wooden stake extending out of the positioning groove contacts the inner wall of the pit.

[0008] As a further description of the above technical solution: two groups of inclined support foot plates are arranged on a side of the liner frame away from the dovetail groove, and the two groups of inclined support foot plates are arranged in a trumpet-shaped structure.

[0009] As a further description of the above technical solution: the pipe clamp is composed of two half ring hoops, and bolts are interspersed between the two half ring hoops of the pipe clamp.

[0010] As a further description of the above technical solution: the plurality of dovetail strips on the outer ring of the pipe clamp correspond one to one with the plurality of pipe body fixing frames.

[0011] As a further description of the above technical solution: the cross-section of the wooden pile is a rectangular structure, and the size of the wooden pile is adapted to the size of the pit.

[0012] As a further description of the above technical solution: the convex surface of the arc plate of the tube body fixing frame is provided with two positioning grooves, and a wooden stake is inserted into each positioning groove.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, a heat-insulating pipe fixing device is formed by using a pipe clamp and a plurality of pipe body fixing frames arranged around the outer surface of the pipe clamp. A plurality of pipe clamps are equidistantly installed on the outer wall of the heat-insulating pipe, and then the heat-insulating pipe carrying the pipe clamp is lowered into the pit. At this time, a plurality of pipe body fixing frames are inserted into the pit, so that the inner lining frame of the pipe body fixing frame is connected with the dovetail strip corresponding to the outer surface of the pipe clamp by using a dovetail groove. Then, a square wooden stake is inserted into the positioning groove of the convex surface of the pipe body fixing frame, so that the part of the square wooden stake extending out of the pipe body fixing frame contacts with the inner wall of the pit, so as to keep the heat-insulating pipe at the verticality of the inner side of the pit, and then fill the gap between the pit and the heat-insulating pipe with a soil filling layer, so as to achieve the purpose of quickly fixing the heat-insulating pipe. Compared with the existing heat-insulating pipe fixing device, due to the method of plugging the dovetail strip into the dovetail groove and the wooden stake into the positioning groove, there is no need for construction personnel to explore the pit for operation, thereby greatly increasing the safety of the heat-insulating pipe in the direct burial construction stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a fixing device for a large-diameter high-strength direct-buried thermal insulation pipe of the utility model;

[0016] Figure 2 It is a side view of the connection between the pipe body fixing frame and the insulation pipe of the fixing device of the large-diameter high-strength direct-buried insulation pipe of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the pipe body fixing frame structure of the fixing device of the large-diameter high-strength directly buried thermal insulation pipe.

[0018] Legend:

[0019] 1. Pipe body fixing frame; 2. Wooden piles; 3. Lining frame; 4. Dovetail strip; 5. Insulation pipe; 6. Pipe clamp; 7. Pit; 8. Soil filling layer; 9. Dovetail groove; 10. Oblique support footboard; 11. Positioning groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] According to an embodiment of the utility model, a fixing device for a large-diameter high-strength directly buried thermal insulation pipe is provided.

[0022] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3As shown, according to the fixing device of the large-diameter high-strength directly buried thermal insulation pipe 5 of the embodiment of the utility model, it includes a pipe body fixing frame 1, a wooden pile 2 and a pipe clamp 6, a plurality of pipe body fixing frames 1 are provided, and a thermal insulation pipe 5 is provided between the plurality of pipe body fixing frames 1, a pit 7 is provided on the periphery of the thermal insulation pipe 5, and a soil filling layer 8 is filled between the pit 7 and the thermal insulation pipe 5, a plurality of pipe clamps 6 are equidistantly sleeved and installed on the outer wall surface of the thermal insulation pipe 5, and a plurality of dovetail strips 4 are welded around the outer ring of each pipe clamp 6, an arc plate is provided on the pipe body fixing frame 1, and the arc plate The concave surface of the pipe body is integrally formed with a liner frame 3, and the convex surface of the arc plate is provided with a positioning groove 11, and the end of the liner frame 3 away from the arc plate is provided with a dovetail groove 9, and the liner frame 3 is connected to the dovetail strip 4 through the dovetail groove 9, and a wooden pile 2 is inserted and installed in the positioning groove 11, and the part of the wooden pile 2 extending out of the positioning groove 11 is in contact with the inner wall of the pit 7, wherein, in order to facilitate the installation of the pipe body fixing frame 1, the dovetail strips 4 of the several pipe clamps 6 of the insulation pipe 5 correspond one to one, and in order to increase the installation reliability of the insulation pipe 5, the gap end surface of the pit 7 and the insulation pipe 5 is poured with concrete;

[0023] In one embodiment, two groups of inclined support plates 10 are provided on one side of the liner frame 3 away from the dovetail groove 9, and the two groups of inclined support plates 10 are arranged in a trumpet-shaped structure. Compared with a solid structure, the arrangement of two groups of inclined support plates 10 is more conducive to saving materials and costs. The liner frame 3 and the pipe body fixing frame 1 are an integrated structure, both of which are cast with molten steel, and anti-rust paint is coated on their surfaces to extend their service life.

[0024] In one embodiment, the pipe clamp 6 is composed of two half hoops, and bolts are inserted between the two half hoops of the pipe clamp 6. A plurality of dovetail bars 4 are arranged around the pipe clamp 6, and the number of the pipe clamps 6 is proportional to the length of the insulation pipe 5.

[0025] In one embodiment, the dovetail strips 4 on the outer ring of the pipe clamp 6 correspond one-to-one to the multiple pipe body fixing frames 1. The dovetail strips 4 are plugged into the dovetail grooves 9, which facilitates the installation of the pipe body fixing frames 1 without having to reach down to the pit 7 for construction work.

[0026] In one embodiment, the cross-section of the wooden pile 2 is a rectangular structure, and the size of the wooden pile 2 is adapted to the size of the pit 7, that is, the thickness of the wooden pile 2 can be selected according to the size of the pit 7, and the size is selected to facilitate the reliable installation of the insulation pipe 5.

[0027] In one embodiment, two positioning grooves 11 are provided on the convex surface of the arc plate of the tube body fixing frame 1, and a wooden stake 2 is inserted into each positioning groove 11. By setting the wooden stake 2, the stability of the insulation tube 5 inside the pit 7 can be maintained.

[0028] Working principle:

[0029] When in use, a number of pipe clamps 6 are equidistantly installed on the outer wall of the insulation pipe 5, and the dovetail strips 4 of the pipe clamps 6 are kept corresponding to each other, and then the insulation pipe 5 carrying the pipe clamps 6 is lowered into the pit 7. At this time, a number of pipe body fixing frames 1 are inserted into the pit 7, so that the inner lining frame 3 of the pipe body fixing frame 1 is connected with the dovetail strips 4 corresponding to the outer surface of the pipe clamp 6 by the dovetail groove 9, and then the square wooden stakes 2 are inserted into the positioning grooves 11 on the convex surface of the pipe body fixing frame 1, so that the part of the square wooden stakes 2 extending out of the pipe body fixing frame 1 is in contact with the inner wall of the pit 7, so as to keep the insulation pipe 5 vertical inside the pit 7, and then fill the gap between the pit 7 and the insulation pipe 5 with a soil filling layer 8. After the pit 7 is filled, concrete is poured into the end face of the gap between the pit 7 and the insulation pipe 5 for reinforcement, so as to quickly fix the insulation pipe 5.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device for a large-diameter high-strength directly buried thermal insulation pipe (5), comprising a pipe body fixing frame (1), a wooden pile (2) and a pipe clamp (6), characterized in that: The pipe body fixing frame (1) is provided with a plurality of them, and an insulation pipe (5) is provided between the plurality of pipe body fixing frames (1). A pit (7) is provided on the periphery of the insulation pipe (5), and a soil filling layer (8) is filled between the pit (7) and the insulation pipe (5). A plurality of pipe hoops (6) are equidistantly sleeved and installed on the outer wall surface of the insulation pipe (5), and a plurality of dovetail strips (4) are welded around the outer ring of each pipe hoop (6). The pipe body fixing frame (1) ) is provided with an arc plate, and a liner frame (3) is integrally formed on the concave surface of the arc plate, and a positioning groove (11) is provided on the convex surface of the arc plate, a dovetail groove (9) is provided on the end of the liner frame (3) away from the arc plate, and the liner frame (3) is connected to the dovetail strip (4) through the dovetail groove (9), a wooden stake (2) is inserted and installed in the positioning groove (11), and the part of the wooden stake (2) extending out of the positioning groove (11) contacts the inner wall of the pit (7).

2. The fixing device for the large-diameter high-strength directly buried thermal insulation pipe (5) according to claim 1 is characterized in that: Two groups of oblique support foot plates (10) are arranged on a side of the liner frame (3) away from the dovetail groove (9), and the two groups of oblique support foot plates (10) are arranged in a trumpet-shaped structure.

3. The fixing device for the large-diameter high-strength directly buried thermal insulation pipe (5) according to claim 1 is characterized in that: The pipe hoop (6) is composed of two half hoops, and bolts are inserted between the two half hoops of the pipe hoop (6).

4. The fixing device for the large-diameter high-strength directly buried thermal insulation pipe (5) according to claim 1 is characterized in that: The plurality of dovetail strips (4) on the outer ring of the pipe clamp (6) correspond one to one with the plurality of pipe body fixing frames (1).

5. The fixing device for the large-diameter high-strength directly buried thermal insulation pipe (5) according to claim 1 is characterized in that: The cross section of the wooden pile (2) is a rectangular structure, and the size of the wooden pile (2) is matched with the size of the pit (7).

6. The fixing device for the large-diameter high-strength directly buried thermal insulation pipe (5) according to claim 1 is characterized in that: The arc plate convex surface of the tube body fixing frame (1) is provided with two positioning grooves (11), and a wooden stake (2) is inserted into each positioning groove (11).

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