CN213117761U

CN213117761U - Novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried heat preservation pipe

Info

Publication number: CN213117761U
Application number: CN202021882655.3U
Authority: CN
Inventors: 薛宝振; 闫磊; 刘培彦
Original assignee: Huasai Energy Saving Technology Co ltd
Current assignee: Huasai Energy Saving Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-04
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a novel prefabricated direct-burried insulating tube of rigid polyurethane spraying polyethylene winding involves the insulating tube field, including two outer tubes, all be equipped with the inner tube in two outer tubes, two inner tube welded fastening have all cup jointed on two inner tubes and have born the frame, and two bear and all movable mounting have the pipe box on the frame, and two bottom sides that bear the frame all are equipped with the backup pad, and the bottom side that bears the frame and the top side of backup pad rotate respectively and install first connecting rod and second connecting rod. The utility model discloses, through the pipe box, bear the setting of frame, backup pad and locating lever, can be so that the pipe box with bear the frame when installing, rectify the position of two inner tubes through the locating lever, the inner tube forms the support through bearing frame and backup pad simultaneously, and then can avoid two inner tubes when connecting, if the junction is caused the displacement by stone or other building debris striking to make two cracked problems of inner tube junction, guaranteed two inner tube connection's stability.

Description

Novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried heat preservation pipe

Technical Field

The utility model relates to a thermal insulation pipe technical field especially relates to a novel prefabricated direct-burried thermal insulation pipe of rigid polyurethane spraying polyethylene winding.

Background

The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, and is used for heat preservation in heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, military, central heating, central air conditioning, municipal administration and the like.

In the prior art, patent publication No. CN201866470U discloses a directly-buried prefabricated thermal insulation pipe produced by a rigid polyurethane spraying polyethylene winding process, which has physicochemical performance indexes such as tensile yield strength, elongation at break and the like superior to those of the traditional process, and can avoid the cracking phenomenon of a polyethylene outer protective layer when the thermal insulation pipe is used in a high and cold area.

Therefore, the rigid polyurethane spraying polyethylene winding prefabricated direct-buried heat insulation pipe has a plurality of advantages, and can fully meet the construction requirement when in use, but when the existing heat insulation pipe is connected, the joints of the inner pipes are mostly fixed by adopting a welding process, but because the pipelines are heavy, when the pipelines are placed in the ditches of the buried pipes, it is difficult to align it, and it requires a lot of labor to align it and to fix it manually and then weld it, thereby ensuring the welding stability, and simultaneously, because the diameter of the inner pipe is obviously smaller than that of the outer pipe, after the inner pipe is welded, the welding position is often suspended, and at the moment, if construction sundries or stones fall off due to construction accidents to smash the connecting position of the two inner pipes, the whole connecting position is easy to break, therefore, a novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried heat insulation pipe is needed to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel prefabricated direct-burried insulating tube of rigid polyurethane spraying polyethylene winding, with current insulating tube that proposes in solving above-mentioned background art when connecting, it is fixed that its inner tube junction adopts welding process mostly, but because the pipeline is heavier, consequently place when the irrigation canals and ditches of buried pipe, hardly put it just, consequently need spend a large amount of manual works with its alignment and need artifical fixed then weld, thereby guarantee welded stability, simultaneously because the diameter of inner tube is obviously less than the outer tube, consequently after the inner tube welding, its welding often is unsettled, if this moment because the accident of construction, make falling of building debris or stone, pound the junction of two inner tubes, very easily lead to the whole cracked problem of junction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel prefabricated direct-burried insulating tube of rigid polyurethane spraying polyethylene winding, including two outer tubes, all be equipped with the inner tube in two outer tubes, two inner tube welded fastening, it bears the frame all to have cup jointed on two inner tubes, two bear equal movable mounting on the frame have the pipe box, two bottom sides that bear the frame all are equipped with the backup pad, the bottom side that bears the frame and the top side of backup pad rotate respectively and install first connecting rod and second connecting rod, rotate on two first connecting rods and install same installation piece, it installs same drive piece to rotate on two second connecting rods, drive the last screw hole of having seted up of piece, the lead screw is installed to the screw hole internal thread, the rotation hole has been seted up on the installation piece, the one end of lead screw.

Preferably, the bottom side of bearing frame and the top side of backup pad all fixed mounting have mount pad and fixing base, and two first connecting rods rotate respectively to be installed on two mount pads, and two second connecting rods rotate respectively to be installed on two fixing bases.

Preferably, two rotating shaft holes are formed in the first connecting rod, rotating shafts are rotatably mounted in the two rotating shaft holes, and the two rotating shafts are fixedly mounted on the mounting seat and the mounting block respectively.

Preferably, two pin shaft holes are formed in the second connecting rod, pin shafts are rotatably mounted in the two pin shaft holes, and the two pin shafts are fixedly mounted on the driving block and the fixed seat respectively.

Preferably, two positioning rods are fixedly mounted on one pipe sleeve and the bearing frame, two positioning holes are formed in the other corresponding pipe sleeve and the corresponding positioning rod, and the four positioning rods penetrate through the four positioning holes respectively.

Preferably, the pipe sleeve is fixedly provided with two first fixing blocks, the bearing frame is fixedly provided with two second fixing blocks, the two first fixing blocks are respectively provided with a mounting hole, a threaded rod is movably mounted in the mounting hole and fixedly mounted on the second fixing blocks, a nut is mounted on the threaded rod in a threaded manner, and the nut is in contact with the top sides of the first fixing blocks.

Preferably, the inner wall of the rotating hole is annularly provided with a limiting groove, a limiting sleeve is rotatably installed in the limiting groove, and the limiting sleeve is fixedly sleeved on the screw rod.

The utility model has the advantages that:

the utility model discloses in, through the pipe box, bear the setting of frame, backup pad and locating lever, can be so that the pipe box with bear the frame when installing, rectify the position of two inner tubes through the locating lever, the inner tube forms the support through bearing frame and backup pad simultaneously, and then can avoid two inner tubes when connecting, if the junction is caused the displacement by stone or other building debris striking to make two cracked problems of inner tube junction, guaranteed two inner tube connection's stability.

The utility model discloses in, through the mount pad, first connecting rod, the second connecting rod, the axis of rotation, the round pin axle, the installation piece, drive the piece, the screw hole, the lead screw, rotate the hole, the crank, the restriction groove, the restriction cover, the locating lever, the setting of locating hole fixing base, after bearing the installation on the inner tube, can rotate the crank, make the lead screw rotate, and then make and drive the piece and remove, it drives two second connecting rods and removes to drive the piece, and then can drive the backup pad and remove, thereby when the ground unevenness, position through the backup pad is adjustable, thereby make two bearing frames when supporting two inner tubes, can make the position holding level of two inner tubes, and then further assurance two inner tube connection's stability.

Drawings

FIG. 1 is a schematic structural view of a novel rigid polyurethane-coated polyethylene-wound prefabricated direct-buried thermal insulation pipe provided by the present invention;

FIG. 2 is a schematic view of the back structure of a novel rigid polyurethane-coated polyethylene-wound prefabricated direct-buried thermal insulation pipe provided by the present invention;

FIG. 3 is a schematic structural view of part A in FIG. 2 of a novel rigid polyurethane-coated polyethylene-wrapped prefabricated direct-buried thermal insulation pipe proposed by the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of a novel rigid polyurethane-coated polyethylene-wound prefabricated direct-buried thermal insulation pipe provided by the present invention;

fig. 5 is a schematic structural diagram of a portion B in fig. 4 of a novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe provided by the present invention.

In the figure: 1. an outer tube; 2. an inner tube; 3. pipe sleeve; 4. a carrier; 5. a support plate; 6. a first fixed block; 7. a second fixed block; 8. mounting holes; 9. a threaded rod; 10. a nut; 11. a mounting seat; 12. a first link; 13. a second link; 14. a rotating shaft; 15. a pin shaft; 16. mounting blocks; 17. driving the block; 18. a threaded hole; 19. a screw rod; 20. rotating the hole; 21. a crank; 22. a limiting groove; 23. a restraining sleeve; 24. positioning a rod; 25. positioning holes; 26. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe comprises two outer pipes 1, inner pipes 2 are arranged in the two outer pipes 1, the two inner pipes 2 are fixedly connected, bearing frames 4 are sleeved on the two inner pipes 2, pipe sleeves 3 are movably arranged on the two bearing frames 4, supporting plates 5 are arranged on the bottom sides of the two bearing frames 4, a first connecting rod 12 and a second connecting rod 13 are rotatably arranged on the bottom sides of the bearing frames 4 and the top sides of the supporting plates 5 respectively, the same mounting block 16 is rotatably arranged on the two first connecting rods 12, the same driving block 17 is rotatably arranged on the two second connecting rods 13, a threaded hole 18 is arranged on the driving block 17, a screw rod 19 is arranged in the threaded hole 18, a rotating hole 20 is arranged on the mounting block 16, one end of the screw rod 19 penetrates through the rotating hole 20 and is fixedly provided with a crank 21, the inner pipe 2 can be, therefore, the inner tube 2 can be accurately positioned during welding, and the problem that the connection part of the inner tube 2 is integrally broken when being hit by a heavy object can be avoided, so that the connection of the inner tube 2 is more stable.

The utility model discloses in, bear the equal fixed mounting in bottom side of 4 and the top side of backup pad 5 and have mount pad 11 and fixing base 26, two first connecting rods 12 rotate respectively and install on two mount pads 11, and two second connecting rods 13 rotate respectively and install on two fixing bases 26, and two first connecting rods 12 rotate on two mount pads 11, and two second connecting rods 13 rotate on two fixing bases 26.

The utility model discloses in, two pivot holes have been seted up on first connecting rod 12, and two pivot holes are downthehole all to rotate and install axis of rotation 14, and two axis of rotation 14 are fixed mounting respectively on mount pad 11 and installation piece 16, and first connecting rod 12 is when removing, through two axis of rotation 14 at two pivot downthehole rotations.

The utility model discloses in, two round pin shaft holes have been seted up on the second connecting rod 13, and two round pin shaft holes all rotate and install round pin axle 15, and two round pin axle 15 respectively fixed mounting are on driving block 17 and fixing base 26, and second connecting rod 13 is when removing, through two round pin axle 15 at two round pin shaft hole internal rotations.

The utility model discloses in, a pipe box 3 with bear and all fixed mounting have two locating levers 24 on the frame 4, all seted up two locating holes 25 on another corresponding pipe box 3 and the locating lever 24, four locating levers 24 run through four locating holes 25 respectively, pass four locating holes 25 through four locating levers 24 for two inner tubes 2 are before welding, and its position can be rectified, thereby has guaranteed welded stability.

The utility model discloses in, fixed mounting has two first fixed blocks 6 on the pipe box 3, bear and bear fixed mounting and have two second fixed blocks 7 on 4, mounting hole 8 has all been seted up on two first fixed blocks 6, movable mounting has threaded rod 9 in the

mounting hole

8, 9 fixed mounting of threaded rod is on second fixed block 7, threaded rod 9 is gone up the screw thread and is installed nut 10, nut 10 contacts with the top side of first fixed block 6, install on two threaded rod 9 through two nut 10 threads, make installing that pipe box 3 can be convenient bear on 4.

The utility model discloses in, restriction groove 22 has been seted up to the annular on the inner wall of rotation hole 20, and restriction cover 23 is installed to the restriction inslot 22 internal rotation, and restriction cover 23 is fixed cup joints on lead screw 19, and when lead screw 19 rotated, by the restriction of restriction cover 23 for lead screw 19 only can rotate.

The utility model discloses the theory of operation:

firstly, two bearing frames 4 are placed at the bottom sides of two inner pipes 2, then the pipe sleeves 3 are sleeved on the inner pipes 2, two threaded rods 9 penetrate through two mounting holes 8, two nuts 10 are screwed on the two threaded rods 9 at the moment, the pipe sleeves 3 can be fixed on the bearing frames 4, then a crank 21 is rotated, the crank 21 drives a screw rod 19 to rotate, the screw rod 19 rotates in a rotating hole 20, meanwhile, the screw rod 19 rotates and drives a limiting sleeve 23 to rotate, the screw rod 19 can only rotate, meanwhile, the screw rod 19 rotates in a threaded hole 18, a driving block 17 can be driven to move, the driving block 17 moves and drives two second connecting rods 13 to rotate, the two second connecting rods 13 rotate and drive a supporting plate 5 to move, the supporting plate 5 moves and rotates a first connecting rod 12, the purpose of driving the supporting plate 5 to move is finally achieved, and the supporting plate 5 can be pressed against the ground, and then can form the support to inner tube 2, simultaneously, bear on two 4 and two pipe casings 3 of bearing, can make four locating levers 24 inject four locating holes 25 in, and then can make the position of two inner tubes 2 by and then when two inner tubes 2 are connected, if the position is placed just, can rectify it, simultaneously if the junction receives the striking of building debris, can pass through the support, avoid two inner tubes 2 to appear the displacement and then cause cracked problem, make the connection of two inner tubes 2 more firm.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prefabricated direct-burried insulating tube of novel rigid polyurethane spraying polyethylene winding, includes two outer tubes (1), all is equipped with inner tube (2) in two outer tubes (1), two inner tubes (2) welded fastening, its characterized in that: all cup jointed on two inner tubes (2) and born frame (4), bear equal movable mounting on frame (4) for two and have pipe box (3), bear the bottom side of frame (4) for two and all be equipped with backup pad (5), bear the bottom side of frame (4) and the top side of backup pad (5) and rotate respectively and install first connecting rod (12) and second connecting rod (13), rotate on two first connecting rods (12) and install same installation piece (16), rotate on two second connecting rods (13) and install same drive piece (17), screw hole (18) have been seted up on drive piece (17), lead screw (19) are installed to screw hole (18) internal thread, rotation hole (20) have been seted up on installation piece (16), the one end of lead screw (19) runs through rotation hole (20) and fixed mounting has crank (21).

2. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: the bottom side of the bearing frame (4) and the top side of the supporting plate (5) are fixedly provided with mounting seats (11) and fixing seats (26), the two first connecting rods (12) are respectively rotatably mounted on the two mounting seats (11), and the two second connecting rods (13) are respectively rotatably mounted on the two fixing seats (26).

3. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: two rotating shaft holes are formed in the first connecting rod (12), rotating shafts (14) are installed in the two rotating shaft holes in a rotating mode, and the two rotating shafts (14) are fixedly installed on the installation seat (11) and the installation block (16) respectively.

4. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: two pin shaft holes are formed in the second connecting rod (13), pin shafts (15) are installed in the two pin shaft holes in a rotating mode, and the two pin shafts (15) are fixedly installed on the driving block (17) and the fixing seat (26) respectively.

5. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: two positioning rods (24) are fixedly mounted on one pipe sleeve (3) and the bearing frame (4), two positioning holes (25) are formed in the other corresponding pipe sleeve (3) and the corresponding positioning rods (24), and the four positioning rods (24) penetrate through the four positioning holes (25) respectively.

6. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: the improved pipe fitting is characterized in that two first fixing blocks (6) are fixedly mounted on the pipe sleeve (3), two second fixing blocks (7) are fixedly mounted on the bearing frame (4), mounting holes (8) are formed in the two first fixing blocks (6), threaded rods (9) are movably mounted in the mounting holes (8), the threaded rods (9) are fixedly mounted on the second fixing blocks (7), nuts (10) are mounted on the threaded rods (9) in a threaded mode, and the nuts (10) are in contact with the top sides of the first fixing blocks (6).

7. The novel rigid polyurethane spraying polyethylene winding prefabricated direct-buried thermal insulation pipe as claimed in claim 1, characterized in that: the inner wall of the rotating hole (20) is annularly provided with a limiting groove (22), a limiting sleeve (23) is rotatably arranged in the limiting groove (22), and the limiting sleeve (23) is fixedly sleeved on the screw rod (19).