CN211232080U

CN211232080U - Intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe

Info

Publication number: CN211232080U
Application number: CN201922302294.4U
Authority: CN
Inventors: 赵万福
Original assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Current assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-11
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an intelligent prefabricated direct-buried heat preservation pipe crosslinked polyethylene working pipe, which comprises a heat preservation layer and a fixed pipe, the fixed pipe is internally provided with a heat-insulating layer, the heat-insulating layer is internally connected with an inner pipe, the outer wall of the left end of the inner pipe is arranged on the left side of the fixed pipe, the outer wall of the inner pipe at the left side of the heat preservation layer is provided with a connecting rod extending upwards, the outer wall of the upper end of the connecting rod is fixedly connected with the inner wall of the fixed pipe, the movable fixing device is additionally arranged in the direct-buried heat-insulating pipe, the heat-insulating layer and the inner pipe are sleeved in the fixed pipe together, so that the heat-insulating layer and the inner pipe are connected into a whole, the problem of relative sliding can not occur in the moving process, the heat preservation effect of the heat preservation layer can not be influenced, make the equipment of this prefabricated direct-burried insulating tube crosslinked polyethylene working tube of intelligence use to become more convenient.

Description

Intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe

Technical Field

The utility model belongs to the technical field of the insulating tube is relevant, concretely relates to prefabricated direct-burried insulating tube crosslinked polyethylene work pipe of intelligence.

Background

The heat-insulating pipe is used for conveying liquid, gas and other media, is suitable for heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot spring-military, central heating, central air conditioning, municipal administration and the like, is suitable for conveying various media within the range of-50 ℃ to 150 ℃, and is widely applied to heat insulation and cold insulation engineering of industries such as central heating, cold supply and hot oil conveying and heating rooms, cold storages, coal mines, petroleum, chemical engineering and the like.

The existing intelligent prefabricated direct-buried insulating pipe crosslinked polyethylene working pipe technology has the following problems: when the installation polyethylene working pipe, need cup joint the inside at fixed pipe with heat preservation and inner tube connection together, the problem that relative slip and can not put the inside at fixed pipe appears in heat preservation and inner tube probably to appear when connecting, and it is not convenient enough to connect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated direct-burried insulating tube crosslinked polyethylene working tube of intelligence to the heat preservation that can appear in the installation that proposes in the solution above-mentioned background art and inner tube and the problem of the inconvenient installation of fixed pipe relative slip.

In order to achieve the above object, the utility model provides a following technical scheme: the intelligent prefabricated direct-buried heat-preservation pipe cross-linked polyethylene working pipe comprises a heat preservation layer and a fixed pipe, wherein the heat preservation layer is installed inside the fixed pipe, an inner pipe is connected inside the heat preservation layer, the left end outer wall of the inner pipe is arranged on the left side of the fixed pipe, an upward extending connecting rod is arranged on the outer wall of the inner pipe on the left side of the heat preservation layer, the upper end outer wall of the connecting rod is fixedly connected with the inner wall of the fixed pipe, a movable fixing device is sleeved on the outer wall of the inner pipe on the left side of the connecting rod, a fixing sleeve is arranged on the movable fixing device, a fixing screw is arranged on the outer wall of the lower end of the fixing sleeve, the fixing sleeve is sleeved outside the inner pipe through the fixing screw, a connecting plate extending backwards is arranged on the outer wall of the rear end of the connecting plate, and, the heat insulation layer is characterized in that a limiting piece is sleeved outside the connecting screw at the upper end of the heat insulation layer, a limiting screw sleeve is sleeved outside the connecting screw at the upper end of the limiting piece, a fixing piece is arranged on the outer wall of the upper end of the connecting screw at the upper side of the limiting screw sleeve, and the connecting screw is fixedly connected with the inner wall of the upper end of the fixing pipe through the fixing piece.

Preferably, a threaded hole is formed in the upper end of the connecting block, the connecting block is fixedly connected with the connecting screw rod through the threaded hole, and the outer wall of the rear end of the connecting block is in a chamfer arc shape.

Preferably, the upper end outer wall of heat preservation and the inner wall of fixed pipe can laminate completely, the inner wall of fixed pipe is smooth wall.

Preferably, the outer wall of the lower end of the fixed sleeve is provided with an elastic opening, and the fixed sleeve is fixed on the outer wall of the inner tube through two fixing screws.

Preferably, the number of the connecting screw rods is two, and the connecting screw rods are used for fixedly connecting the heat insulation layer with the inner pipe through the connecting blocks on the outer walls of the upper end and the lower end of the inner pipe respectively.

Compared with the prior art, the utility model provides a prefabricated direct-burried insulating tube crosslinked polyethylene working tube of intelligence possesses following beneficial effect:

the utility model adds a movable fixing device inside the direct-buried heat preservation pipe, connects the heat preservation layer and the inner pipe together by the connecting block and the connecting screw rod, when in use, the fixing sleeve is sleeved outside the inner pipe through the fixing screw rod, the heat preservation layer is sleeved outside the inner pipe, a preformed hole with the diameter basically the same as that of the connecting screw rod is reserved in the heat preservation layer in advance, the connecting screw rod penetrates through the preformed hole to be screwed and connected with the connecting block at the rear end of the fixing sleeve, and then the heat preservation layer and the inner pipe are sleeved inside the fixing pipe together, so that the heat preservation layer and the inner pipe are connected into a whole in a connecting mode, the problem of relative sliding does not occur in the moving process, the installation and the use of the heat preservation pipe are more convenient, the heat preservation effect of the heat preservation layer is not influenced, make the equipment of this prefabricated direct-burried insulating tube crosslinked polyethylene working tube of intelligence use to become more convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a three-dimensional structure of a crosslinked polyethylene working pipe of an intelligent prefabricated direct-buried thermal insulation pipe provided by the utility model;

FIG. 2 is a schematic view of the front structure of the crosslinked polyethylene working pipe of the intelligent prefabricated direct-buried thermal insulation pipe provided by the utility model;

FIG. 3 is a schematic side view of a cross-linked polyethylene working pipe of the intelligent prefabricated direct-buried thermal insulation pipe provided by the present invention;

fig. 4 is a schematic side sectional view of the mobile fastening device according to the present invention;

in the figure: 1. an inner tube; 2. a connecting rod; 3. a heat-insulating layer; 4. a fixed tube; 5. moving the fixing device; 6. fixing the screw rod; 7. fixing a sleeve; 8. a connecting plate; 9. connecting blocks; 10. a limiting screw sleeve; 11. a fixing sheet; 12. a limiting sheet; 13. and connecting the screw rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an intelligent prefabricated directly-buried heat preservation pipe cross-linked polyethylene working pipe comprises a heat preservation layer 3 and a fixed pipe 4, the heat preservation layer 3 is arranged inside the fixed pipe 4, the upper end outer wall of the heat preservation layer 3 and the inner wall of the fixed pipe 4 can be completely attached, the inner wall of the fixed pipe 4 is a smooth wall, the heat preservation layer 3 is convenient to move and install inside the fixed pipe 4, the inner pipe 1 is connected inside the heat preservation layer 3, the left end outer wall of the inner pipe 1 is arranged on the left side of the fixed pipe 4, an upwards extending connecting rod 2 is arranged on the outer wall of the inner pipe 1 on the left side of the heat preservation layer 3, the upper end outer wall of the connecting rod 2 is fixedly connected with the inner wall of the fixed pipe 4, a movable fixing device 5 is sleeved on the outer wall of the inner pipe 1 on the left side of the connecting rod 2, a fixing sleeve 7 is arranged, the fixing sleeve 7 is sleeved outside the inner pipe 1 through the elastic port, the fixing sleeve 7 is convenient to adjust, install and disassemble, a fixing screw 6 is arranged on the outer wall of the lower end of the fixing sleeve 7, the fixing sleeve 7 is sleeved outside the inner pipe 1 through the fixing screw 6, a connecting plate 8 extending backwards is arranged on the outer wall of the rear end of the fixing sleeve 7 at the upper end of the inner pipe 1, a connecting block 9 is arranged on the outer wall of the rear end of the connecting plate 8, a threaded hole is formed in the inner end of the connecting block 9, the connecting block 9 is fixedly connected with the connecting screw 13 through the threaded hole, the outer wall of the rear end of the connecting block 9 is in a chamfer arc shape, the heat preservation 3 is convenient to be connected to the outer part of the inner pipe 1, the heat preservation 3 is not inconvenient to be sleeved due to obstruction of the connecting block 9, the connecting screw 13 extending downwards is arranged on the outer wall of the, the connection effect of two connecting screw 13 is better more firm, prevents that not hard up problem from appearing in the connection of heat preservation 3 and inner tube 1, and connecting screw 13 outside on the 3 upper ends of heat preservation has cup jointed spacing piece 12, and connecting screw 13 outside on the 12 upper ends of spacing piece has cup jointed spacing swivel nut 10, is provided with stationary blade 11 on the upper end outer wall of connecting screw 13 on the 10 upside of spacing swivel nut, and connecting screw 13 passes through stationary blade 11 and the upper end inner wall fixed connection of fixed pipe 4.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, the utility model discloses a make inner tube 1, form a firm whole between fixed pipe 4 and the 3 three of heat preservation, can with 1 inside heat preservation 3 and fixed pipe 4 and the isolated influence of further reducing ambient temperature of external world of opening of external world of inner tube, when using, will fix cover 7 and cup joint the outside at inner tube 1 through clamping screw 6, cup joint heat preservation 3 in the outside of inner tube 1 again, reserve the hole of reserving with connecting screw 13 diameter the same basically with 3 inside heat preservation in advance, screw up the heat preservation 3 of junction and the connection of inner tube 1 through spacing swivel nut 10, it links together to screw up the connecting block 9 that passes the hole of reserving and the fixed cover 7 rear end with connecting screw 13, together cup joint heat preservation 3 and inner tube 1 in the inside of fixed pipe 4 again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prefabricated direct-burried insulating tube crosslinked polyethylene working tube of intelligence, including heat preservation (3) and fixed pipe (4), its characterized in that: the heat preservation pipe is characterized in that a heat preservation layer (3) is arranged inside the fixed pipe (4), an inner pipe (1) is connected inside the heat preservation layer (3), the left end outer wall of the inner pipe (1) is arranged on the left side of the fixed pipe (4), a connecting rod (2) extending upwards is arranged on the outer wall of the inner pipe (1) on the left side of the heat preservation layer (3), the upper end outer wall of the connecting rod (2) is fixedly connected with the inner wall of the fixed pipe (4), a movable fixing device (5) is sleeved on the outer wall of the inner pipe (1) on the left side of the connecting rod (2), a fixing sleeve (7) is arranged on the movable fixing device (5), a fixing screw (6) is arranged on the outer wall of the lower end of the fixing sleeve (7), the fixing sleeve (7) is sleeved outside the inner pipe (1) through the fixing screw (6), and a connecting plate (8) extending backwards, be provided with connecting block (9) on the rear end outer wall of connecting plate (8), be provided with downwardly extending's connecting screw (13) on heat preservation (3) upper end outer wall of connecting block (9), spacing piece (12) have been cup jointed to connecting screw (13) outside of heat preservation (3) upper end, spacing swivel nut (10) have been cup jointed to connecting screw (13) outside of spacing piece (12) upper end, be provided with stationary blade (11) on the upper end outer wall of connecting screw (13) of spacing swivel nut (10) upside, connecting screw (13) are through the upper end inner wall fixed connection of stationary blade (11) and fixed pipe (4).

2. The intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe according to claim 1, characterized in that: the inner portion of the upper end of the connecting block (9) is provided with a threaded hole, the connecting block (9) is fixedly connected with the connecting screw rod (13) through the threaded hole, and the outer wall of the rear end of the connecting block (9) is arc-shaped, and is a chamfer.

3. The intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe according to claim 1, characterized in that: the upper end outer wall of heat preservation (3) and the inner wall of fixed pipe (4) can laminate completely, the inner wall of fixed pipe (4) is smooth wall.

4. The intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe according to claim 1, characterized in that: the outer wall of the lower end of the fixed sleeve (7) is provided with an elastic opening, and the fixed sleeve (7) is fixed on the outer wall of the inner tube (1) through two fixing screw rods (6).

5. The intelligent prefabricated directly-buried heat preservation pipe crosslinked polyethylene working pipe according to claim 1, characterized in that: the heat-insulating layer (3) is fixedly connected with the inner pipe (1) through connecting blocks (9) on the outer walls of the upper end and the lower end of the inner pipe (1) by the connecting screw rods (13).