CN218000830U

CN218000830U - End sealing device for steam pipe heat insulation layer of long heat transfer net

Info

Publication number: CN218000830U
Application number: CN202222454142.8U
Authority: CN
Inventors: 李海青; 苏咸涛; 孙黎新; 许永祥; 姜彬; 黄光辉; 孙振华
Original assignee: Dongying Weidi Thermal Power Co ltd
Current assignee: Dongying Weidi Thermal Power Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-09
Anticipated expiration: 2032-09-16

Abstract

The utility model belongs to the technical field of the steam pipe end seal device, especially, long heat transmission network steam pipe heat insulating layer end seal device, adopt the screw thread to fall to seal to traditional sealed mode, and set up the gasket in inside, this kind of mode sealing operation is loaded down with trivial details, can not use in a flexible way, it is long to remove seal time during secondary use, work efficiency's problem has been reduced, the following scheme is proposed to the present, it includes sealed lid and pipeline, sealed cover is at the end of pipeline, a plurality of hypotenuse grooves have been seted up to the outside symmetry of pipeline, sealed covering is connected with manual rotary mechanism, manual rotary mechanism is last to be connected with two L type poles, two L type poles set up for the symmetry, two equal slidable mounting of L type pole cover, the hypotenuse kelly is all installed to the inboard of two L type poles, hypotenuse kelly and sealed lid sliding connection. The utility model discloses can conveniently seal up the shutoff to the pipeline, and be convenient for dismantle, improve work efficiency.

Description

End sealing device for steam pipe heat insulation layer of long heat transfer network

Technical Field

The utility model relates to a steam pipe end seal technical field especially relates to a long heat transfer net steam pipe heat insulating layer end seal device.

Background

With the rapid development of urban central heating and cogeneration, the steel-sheathed-steel prefabricated direct-buried steam pipeline technology is widely applied in China, the conventional prefabricated direct-buried heat-insulation pipe is generally formed by wrapping a heat-insulation layer outside an inner working pipe to realize heat insulation of flowing media in the inner working pipe, wherein the heat-insulation layer is made of barrier soft or hard heat-insulation materials with small heat conductivity coefficients, and if the soft heat-insulation materials are used, the heat-insulation pipe is generally made of a combination of multiple layers of materials (such as aluminum silicate and high-temperature glass wool).

Traditional sealing method adopts the screw thread to emit and seals to set up the gasket in inside, this kind of mode sealing operation is loaded down with trivial details, can not use in a flexible way, and it is long to remove sealed time during the secondary operation, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving traditional sealing method and adopting the screw thread to emit and seal to set up the gasket in inside, this kind of mode sealing operation is loaded down with trivial details, can not use in a flexible way, and it is long to remove seal time during secondary uses, has reduced work efficiency's shortcoming, and the long heat transmission net steam pipe heat insulating course end seal device who provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a long heat transfer net steam pipe insulating layer end sealing device, including sealed lid and pipeline, sealed cover box is at the end of pipeline, a plurality of hypotenuse grooves have been seted up to the outside symmetry of pipeline, be connected with manual rotary mechanism on the sealed lid, the last two L type poles that are connected with of manual rotary mechanism, two L type poles set up for the symmetry, two equal slidable mounting of L type pole are on the sealed lid, the hypotenuse kelly is all installed to the inboard of two L type poles, hypotenuse kelly and sealed lid sliding connection, hypotenuse kelly and the one-way joint in hypotenuse groove, a plurality of dead levers are installed to the inboard of sealed lid, install same toper sealing plug on a plurality of dead levers, the inner wall looks adaptation of toper sealing plug and pipeline.

Preferably, two grooves are symmetrically formed in the outer side of the sealing cover, a plurality of tension springs are fixedly mounted in the two grooves, and the tension springs are connected with the inner sides of the corresponding L-shaped rods.

Preferably, the sealing cover is provided with two first sliding holes and two second sliding holes, the L-shaped rod is connected with the corresponding first sliding holes in a sliding mode, and the bevel clamping rod is connected with the corresponding second sliding holes in a sliding mode.

Preferably, manual rotating mechanism includes the handle, and the round bar is installed to the inner of handle, and the round bar rotates to be installed on the sealing cover, and the gear is installed to the inner of round bar, and the meshing has two racks on the gear, and two racks are for crisscross setting, and two racks link to each other with two L type poles.

Preferably, two locating levers are symmetrically installed on the inner wall of the sealing cover, locating holes are formed in the two locating levers, two stabilizing rods are installed on the outer side of the pipeline, and the stabilizing rods are matched with the locating holes.

Preferably, the pipeline comprises an outer layer, a heat preservation layer and an inner layer, wherein the heat preservation layer is positioned between the outer layer and the inner layer.

Compared with the prior art, the utility model has the advantages of:

according to the scheme, the sealing cover covers the end of the pipeline, the stabilizing rod is aligned with the corresponding positioning hole, the conical sealing plug is plugged with the inner wall of the pipeline, the bevel edge clamping rod enters the corresponding bevel edge groove under the elastic action of the tension spring and is used for pushing the sealing cover to enable the conical sealing plug to be tightly sealed with the pipeline, and the bevel edge clamping rod is in one-way clamping connection with the bevel edge groove, so that the conical sealing plug can be pressed more and more tightly, the operation is convenient, and the working efficiency is improved;

when the sealing cover is detached and used, the handle is only required to be rotated to drive the round rod to rotate, the round rod drives the gear to rotate, the gear drives the two racks to be away from each other, the two racks are away from each other, the two racks push the two L-shaped rods to be away from each other, the two L-shaped rods drive the two bevel edge clamping rods to leave the two bevel edge grooves, the fixing of the sealing cover can be relieved, the handle is pulled outwards, the sealing cover can be separated from a pipeline, and the sealing cover is convenient to detach;

the utility model discloses can conveniently seal up the shutoff to the pipeline, and be convenient for dismantle, improve work efficiency.

Drawings

FIG. 1 is a schematic structural view of an end sealing device of a steam pipe heat insulation layer of a long heat transfer network according to the present invention;

FIG. 2 is a schematic structural view of part A of a long heat transfer net steam pipe heat insulation layer end sealing device provided by the present invention;

fig. 3 is a schematic structural view of a gear and a rack provided by the present invention;

fig. 4 is a schematic sectional structural view of the pipeline according to the present invention.

In the figure: 1. a sealing cover; 2. a pipeline; 3. a tapered sealing plug; 4. a handle; 5. a round bar; 6. a gear; 7. a rack; 8. an L-shaped rod; 9. a bevel edge clamping rod; 10. a first slide hole; 11. a bevel groove; 12. a seal ring; 13. a groove; 14. a tension spring; 15. a stabilizer bar; 16. positioning a rod; 17. positioning holes; 18. fixing the rod; 19. a second slide hole; 21. an outer layer; 22. a heat-insulating layer; 23. an inner layer.

Detailed Description

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

Example one

Referring to fig. 1-4, a long heat transmission network steam pipe thermal insulation layer end sealing device, including sealed lid 1 and pipeline 2, sealed lid 1 overlaps the end at pipeline 2, a plurality of hypotenuse grooves 11 have been seted up to pipeline 2's outside symmetry, sealed lid 1 is last to be connected with manual rotation mechanism, manual rotation mechanism is last to be connected with two L type poles 8, two L type poles 8 are the symmetry setting, two equal slidable mounting of L type pole 8 are on sealed lid 1, hypotenuse kelly 9 is all installed to two L type pole 8's inboard, hypotenuse kelly 9 and sealed lid 1 sliding connection, hypotenuse kelly 9 and hypotenuse groove 11 one-way joint, a plurality of dead levers 18 are installed to sealed lid 1's inboard, install same toper sealing plug 3 on a plurality of dead levers 18, toper sealing plug 3 and pipeline 2's inner wall looks adaptation.

In the embodiment, two grooves 13 are symmetrically formed in the outer side of the sealing cover 1, a plurality of tension springs 14 are fixedly mounted in the two grooves 13, and the tension springs 14 are connected with the inner sides of the corresponding L-shaped rods 8; the tension spring 14 provides tension to the L-shaped lever 8.

In this embodiment, the sealing cover 1 is provided with two first sliding holes 10 and two second sliding holes 19, the l-shaped rod 8 is slidably connected with the corresponding first sliding hole 10, and the bevel clamping rod 9 is slidably connected with the corresponding second sliding hole 19.

In the embodiment, the manual rotating mechanism comprises a handle 4, a round rod 5 is installed at the inner end of the handle 4, the round rod 5 is rotatably installed on the sealing cover 1, a gear 6 is installed at the inner end of the round rod 5, two racks 7 are meshed on the gear 6, the two racks 7 are arranged in a staggered mode, and the two racks 7 are connected with two L-shaped rods 8; the gear 6 rotates to drive the two racks 7 to be away from each other.

In the embodiment, two positioning rods 16 are symmetrically arranged on the inner wall of the sealing cover 1, positioning holes 17 are formed in the two positioning rods 16, two stabilizing bars 15 are arranged on the outer side of the pipeline 2, and the stabilizing bars 15 are matched with the positioning holes 17; the sealing cover 1 can be connected with the pipeline 2 in a positioning way.

In this embodiment, the pipeline 2 includes an outer layer 21, a heat-insulating layer 22 and an inner layer 23, and the heat-insulating layer 22 is located between the outer layer 21 and the inner layer 23; the insulation layer 22 is provided to improve the protection effect of the pipeline 2.

Theory of operation, during the use, with the end of sealed lid 1 lid at pipeline 2, stabilizer bar 15 aligns with the locating hole 17 that corresponds, with the inner wall shutoff of toper sealing plug 3 with pipeline 2, hypotenuse kelly 9 gets into the hypotenuse groove 11 that corresponds under the spring action of extension spring 14, be used for advancing sealed lid 1, make toper sealing plug 3 closely sealed with pipeline 2, and hypotenuse kelly 9 and the one-way joint in hypotenuse groove 11, can press more tightly more, high operation convenience, high work efficiency, when dismantling the secondary and using, only need rotate handle 4, handle 4 drives pole 5 rotatory, pole 5 drives gear 6 rotatory, gear 6 drives two racks 7 and keeps away from each other, two racks 7 keep away from each other, two L type poles 8 promote two L type poles 8 and keep away from two hypotenuse grooves 11, can remove the fixed to sealed lid 1, outside pulling handle 4, can separate sealed lid 1 with pipeline 2, it is convenient to dismantle.

Example two

Referring to fig. 1-4, a long heat transmission net steam pipe insulating layer end sealing device, including sealed lid 1 and pipeline 2, sealed lid 1 overlaps the end at pipeline 2, a plurality of hypotenuse grooves 11 have been seted up to pipeline 2's outside symmetry, be connected with manual rotary mechanism on the sealed lid 1, manual rotary mechanism is last to be connected with two L type poles 8, two L type poles 8 are the symmetry setting, two equal slidable mounting of L type pole 8 are on sealed lid 1, hypotenuse kelly 9 is all installed to two L type pole 8's inboard, hypotenuse kelly 9 and sealed lid 1 sliding connection, hypotenuse kelly 9 and the one-way joint in hypotenuse groove 11, a plurality of dead levers 18 are installed to sealed lid 1's inboard, install same toper sealing plug 3 on a plurality of dead levers 18, toper 3 and pipeline 2's inner wall looks adaptation.

In the embodiment, two positioning rods 16 are symmetrically arranged on the inner wall of the sealing cover 1, positioning holes 17 are formed in the two positioning rods 16, two stabilizing rods 15 are arranged on the outer side of the pipeline 2, and the stabilizing rods 15 are matched with the positioning holes 17; the sealing cover 1 can be connected with the pipeline 2 in a positioning way.

In this embodiment, the pipe 2 includes an outer layer 21, a heat insulating layer 22, and an inner layer 23, and the heat insulating layer 22 is located between the outer layer 21 and the inner layer 23; the insulation layer 22 can improve the protection effect of the pipeline 2.

In the embodiment, the inner wall of the sealing cover 1 is provided with a sealing ring 12, and the sealing ring 12 is matched with the outer side of the pipeline 2; the sealing ring 12 can seal between the sealing cover 1 and the pipeline 2.

The difference between the second embodiment and the first embodiment is that: the sealing washer 12 that sets up when the shutoff of pipeline 2, the cover is established in the position of pipeline 2, will seal

lid

1 and 2 secondary seal of pipeline, improves sealed effect, and all structures in this application all can carry out the selection of material and length according to the in-service use condition, and the attached drawing is the schematic structure picture, and concrete actual dimensions can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a long heat transfer network steam pipe insulating layer end sealing device, including sealed lid (1) and pipeline (2), a serial communication port, sealed lid (1) cover is at the end of pipeline (2), a plurality of hypotenuse grooves (11) have been seted up to the outside symmetry of pipeline (2), be connected with manual rotary mechanism on sealed lid (1), manual rotary mechanism is last to be connected with two L type poles (8), two L type poles (8) set up for the symmetry, two equal slidable mounting of L type pole (8) are on sealed lid (1), hypotenuse kelly (9) are all installed to the inboard of two L type poles (8), hypotenuse kelly (9) and sealed lid (1) sliding connection, hypotenuse kelly (9) and hypotenuse groove (11) one-way joint, a plurality of dead lever (18) are installed to the inboard of sealed lid (1), install same toper sealing plug (3) on a plurality of dead lever (18), toper sealing plug (3) and the inner wall looks adaptation of pipeline (2).

2. The long heat transfer network steam pipe heat insulation layer end sealing device according to claim 1, characterized in that two grooves (13) are symmetrically formed in the outer side of the sealing cover (1), a plurality of tension springs (14) are fixedly mounted in the two grooves (13), and the tension springs (14) are connected with the inner sides of the corresponding L-shaped rods (8).

3. The end sealing device for the steam pipe heat insulation layer of the long heat transfer net according to claim 1, wherein the sealing cover (1) is provided with two first sliding holes (10) and two second sliding holes (19), the L-shaped rod (8) is slidably connected with the corresponding first sliding holes (10), and the inclined clamping rod (9) is slidably connected with the corresponding second sliding holes (19).

4. The long heat transfer network steam pipe heat insulation layer end sealing device is characterized in that the manual rotating mechanism comprises a handle (4), a round rod (5) is installed at the inner end of the handle (4), the round rod (5) is rotatably installed on the sealing cover (1), a gear (6) is installed at the inner end of the round rod (5), two racks (7) are meshed on the gear (6), the two racks (7) are arranged in a staggered mode, and the two racks (7) are connected with two L-shaped rods (8).

5. The long heat transfer network steam pipe heat insulation layer end sealing device according to claim 1, characterized in that two positioning rods (16) are symmetrically installed on the inner wall of the sealing cover (1), positioning holes (17) are respectively formed on the two positioning rods (16), two stabilizer bars (15) are installed on the outer side of the pipeline (2), and the stabilizer bars (15) are matched with the positioning holes (17).

6. A long heat transfer net steam pipe insulation end seal according to claim 1, characterised in that the pipe (2) comprises an outer layer (21), an insulation layer (22) and an inner layer (23), the insulation layer (22) being located between the outer layer (21) and the inner layer (23).