CN212377479U - Air pipe and air supply assembly for deicing wind power blade - Google Patents

Abstract

The utility model belongs to an air supply device, in particular to an air pipe and an air supply assembly for deicing wind power blades, which comprises an outer pipe and an inner pipe which are mutually sleeved, a support piece and/or a heat preservation and insulation material are arranged between the inner wall of the outer pipe and the outer wall of the inner pipe, one end of the inner pipe protrudes out of the end part of the outer pipe to form a male head, the other end of the inner pipe is sunken into the end part of the outer pipe to form a stepped female head, the female head comprises an insertion part, one end of the insertion part is flush with the end surface of the outer pipe, the other end of the insertion part is connected with the inner pipe through a connecting ring, the inner diameter of the insertion part is larger than the outer diameter of the inner pipe, the depth of the insertion part is not shorter than the length of the male head, a sealing ring is arranged on the outer wall of the male head and/, the splicing is simple and quick, the sealing effect is good, the heat preservation effect is good after the installation, the heat loss is less, and the deicing effect is improved.

Description

Air pipe and air supply assembly for deicing wind power blade

Technical Field

The utility model belongs to an air supply arrangement specifically is to involve a tuber pipe and air supply subassembly that is used for deicing of wind-powered electricity generation blade.

Background

At present, when a wind power generation blade gas-heating deicing system is designed, the air pipe is not designed with heat preservation, air pipe parts of a heater and an air supply pipe are made of steel or epoxy glass fiber pipes with the thickness of 2-4mm, the steel or epoxy glass fiber pipes are poor in heat preservation, the air supply process is serious in heat loss, low in heat utilization rate and poor in deicing effect, and meanwhile, the air supply pipe is large in length and inconvenient to transport and install. At present, the heat preservation design aiming at the air pipe is also provided, but the heat preservation design generally has the problems of heavy weight, complex structure, inconvenient connection and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a tuber pipe and air supply subassembly that is used for wind-powered electricity generation blade deicing that keeps warm sealed effectual, be convenient for transport and installation.

The utility model relates to an tuber pipe for deicing of wind-powered electricity generation blade, including outer tube and the inner tube that cup joints each other, be provided with support piece and/or thermal insulation material between outer tube inner wall and the inner tube outer wall, the protruding public head that forms of outer tube tip that stretches of inner tube one end, the inner tube other end caves in the female head that forms the echelonment in outer tube tip, and female head includes the portion of inserting of one end and outer tube terminal surface parallel and level, and the portion of inserting other end passes through go-between and interior union coupling, and the portion of inserting internal diameter is greater than the inner tube external diameter, the degree of depth of portion of inserting is not shorter than the length of public head, be provided with the sealing washer on public head outer wall and/or the portion of.

Further, the insertion portion is coaxial with the inner tube.

Further, the coupling ring is formed to correspond to an outer diameter of the insertion portion, and an inner wall of the coupling ring is formed to correspond to an inner diameter of an inner wall of the inner tube.

Furthermore, the outer wall of the male head and/or the inner wall of the female head are/is provided with a sealing groove for installing a sealing ring.

Furthermore, a sealing plate is arranged between one end face of the outer pipe and the root of the male head and/or a sealing plate is arranged between the other end of the outer pipe and the end face of the female head.

Furthermore, an end flange is arranged between one end face of the outer pipe and the root of the male head and/or an end flange is arranged between the other end of the outer pipe and the end face of the female head.

Further, the inner tube, the connection ring and the insertion portion are integrally formed.

The utility model also provides an air supply subassembly, including two piece at least tuber pipes, the tuber pipe is connected gradually with the tuber pipe head and the tail, the public head of tuber pipe and the female head cooperation of an adjacent tuber pipe, the sealing washer is located between public first outer wall and the female head inner wall.

Furthermore, the joint of the outer pipes of the two air pipes is provided with an adhesive tape.

Furthermore, a rubber ring is arranged outside the adhesive tape.

The utility model has the advantages that the air heat insulation layer is arranged between the outer pipe and the inner pipe or the heat insulation and preservation are carried out through the heat insulation material, the heat loss is reduced in the air supply process of the air pipes, the heat utilization rate and the deicing effect are improved, the male head and the female head are respectively arranged at the two ends of the air pipes, the air pipes can be conveniently and hermetically connected with an air blower or other corresponding equipment when being used independently, when the air supply assembly is assembled by at least two air pipes, the male head and the female head are mutually corresponding, the connection difficulty between the air pipes is simplified, meanwhile, the sealing ring arranged on the male head and/or the female head can seal the connection part, the air leakage from the connection part is prevented, the male head and the female head are respectively arranged at the two ends of the inner pipe, therefore, the material of the outer pipe is not limited, the outer pipe can be made of soft material, the whole weight can be, when the air supply assembly is formed by assembling more than two air pipes, the male head of one air pipe can be inserted into the female head of the other air pipe, the end face of the male head can be directly abutted to the connecting ring on the female head, at the moment, the inner diameters of the two air pipes correspond to each other, gaps can not be generated, the air supply rate of the air supply assembly is ensured, the separation and the paragraph can not be formed on the air channel, and the loss of air pressure is avoided.

This tuber pipe can two piece at least end to end, forms the air supply subassembly of enough length, and whole concatenation is simple quick, and is sealed effectual, the transportation and the installation of being convenient for, and it is effectual to keep warm after the installation simultaneously, and calorific loss is few, and heat utilization rate is high, and then under same heater power, has improved deicing effect.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the middle air duct of the present invention.

Fig. 2 is a cross-sectional view of a first embodiment of the middle air duct of the present invention.

Fig. 3 is a schematic structural diagram of the middle air supply assembly of the present invention.

Figure 4 is a schematic view of the air duct mounting closure shown in figure 1.

Fig. 5 is a schematic view of the mounting plate of the blower assembly shown in fig. 3.

FIG. 6 is a schematic view of the mounting end flange of the air duct of FIG. 1.

Fig. 7 is a schematic view of the mounting end flange of the blower assembly shown in fig. 3.

Fig. 8 is a schematic structural view of a second embodiment of the middle air duct of the present invention.

Fig. 9 is a cross-sectional view of a second embodiment of the air duct of the present invention.

Fig. 10 is a schematic structural view of a third embodiment of the middle duct of the present invention.

Fig. 11 is a cross-sectional view of a third embodiment of the middle air duct of the present invention.

In the figure, 1 — outer tube; 2-inner tube; 3-a support; 4-air insulation layer; 5-heat preservation and insulation material; 6-male head; 7-female head; 8-sealing groove; 9-sealing ring; 10-closing the plate; 11-adhesive tape; 12-a rubber ring; 13-end flange; 14-a bolt; 15-sealing rubber gasket.

Detailed Description

Example one

As shown in fig. 1-7, the deicing device comprises an outer tube 1 and an inner tube 2 which are sleeved with each other, a support member 3 and a thermal insulation material 5 are arranged between the inner wall of the outer tube 1 and the outer wall of the inner tube 2, the thermal insulation material 5 is arranged, in the air supply process, the heat loss is reduced, the heat utilization rate and the deicing effect are improved, the support member 3 is arranged, the connection strength is ensured, one end of the inner tube 2 protrudes out of the end portion of the outer tube 1 to form a male head 6, the other end of the inner tube 2 is recessed in the end portion of the outer tube 1 to form a stepped female head 7, the male head 6 and the female head 7 are arranged, the deicing device can be used for connecting other corresponding devices, such as an air supply outlet of an air blower or an air inlet of a heater, a plurality of air pipes with the same structure can be spliced with each other through the male, the air supply assembly with the length is difficult to transport and even install in the wind power blade, the utility model can manufacture a plurality of air pipes in the using process, and the assembly butt joint is completed in the wind power blade, the air pipes are sealed and assembled and butt joint through the male head 6 and the female head 7, and then the air supply assembly with the length meeting the requirement is carried out, the whole manufacturing is simple, the weight is light, the installation is convenient and fast, and the sealing effect is good; as shown in fig. 1, the female head 7 includes an insertion portion 71 having one end flush with the end surface of the outer tube 1, the other end of the insertion portion 71 is connected to the inner tube 2 through a connection ring 72, the inner diameter of the insertion portion 71 is larger than the outer diameter of the inner tube 2, wherein the inner tube 2, the connection ring 72 and the insertion portion 71 are preferably integrally formed, that is, one end of the inner tube 2 protrudes from the end surface of the outer tube 1 to form a male head 6, and the other end of the inner tube forms a female head 7 in a stepped shape corresponding to the male head 6, and the inner tube 2, the connection ring 72 and the insertion portion 71 are integrally formed, so that the male head 6, the female head 7 and the inner tube 2 are actually integrated, which greatly simplifies the manufacturing difficulty and improves the integrity and the strength of the inner tube 2, wherein the connection ring 72 may have a rectangular cross-sectional shape, the connection ring 72 may have a structure, the connecting ring 72 can be perpendicular to the inner tube 2 and the insertion portion 71, or can be obliquely disposed, in this embodiment, the cross section of the connecting ring 72 is preferably rectangular and is perpendicular to the inner tube 2 and the insertion portion 71, the depth of the insertion portion 71 is not shorter than the length of the male head 6, that is, when the air supply assembly is formed by assembling more than two air pipes, the male head 6 of one air pipe can be inserted into the female head 7 of the other air pipe, and the end surface of the male head 6 can be directly abutted to the connecting ring 72 on the female head 7, at this time, the inner diameters of the two air pipes correspond to each other, no gap is generated, so as to ensure the air supply rate of the air supply assembly, no separation and no segment are formed on the air duct, so as to avoid the loss of air pressure, the outer wall of the male head 6 is provided with the sealing ring 9, the outer diameter of the sealing ring 9 is, at this moment, the inner diameter of the sealing ring 9 is smaller than the outer diameter of the male head 6, in this embodiment, in order to facilitate installation of the sealing ring 9, the sealing ring 9 is preferably arranged on the male head 6, when the air pipes are connected with the blower or other corresponding devices, the sealing ring 9 can be used for sealing connection, when the air supply assembly is formed by connecting a plurality of air pipes, the outer wall of the male head 6 of one air pipe and the inner wall of the other air pipe insertion part 71 are in sealing fit through the sealing ring 9, at this moment, the gas which circulates in the inner pipe 2 can be sealed through compression deformation of the sealing ring 9, the sealing effect of connection of the air supply assembly is ensured, and meanwhile, the stability of connection.

The supporting members 3 may be arranged along the length direction of the air duct, or along the cross section of the air duct, and when arranged along the length direction of the air duct, as shown in fig. 2 and 9, the supporting members 3 are strip-shaped, and when arranged along the cross section of the air duct, as shown in fig. 8, the supporting members 3 are ring-shaped.

In this embodiment, the insertion portion 71 is coaxial with the inner pipe 2, so that the production and the manufacture are facilitated, the installation difficulty is simplified, and meanwhile, the heat-insulating material 5 of the connection portion can be uniformly laid, and the heat-insulating performance is improved.

The outer diameters of the connecting ring 72 and the inserting part 71 are the same, and the inner diameters of the inner wall of the connecting ring 72 and the inner wall of the inner pipe 2 are the same, so that when at least two air pipes are assembled, the inner diameters of the two air pipes correspond to each other, no drop is generated, even if air supply is smooth, no stepped section is generated, and when the air supply assembly is used, the air supply assembly is consistent with the air supply effect of an integral air supply pipe, and the air resistance of the air supply assembly is minimum.

In order to facilitate the installation of the sealing ring 9, the outer wall of the male head 6 and/or the inner wall of the female head 7 are/is provided with a sealing groove 8 for installing the sealing ring 9, the sealing groove 8 is arranged, the sealing ring 9 is arranged in the sealing groove 8, and the installation position of the sealing ring 9 is ensured when the male head 6 and the female head 7 are in butt joint assembly.

Be provided with shrouding 10 and/or be provided with shrouding 10 between 1 other end of outer tube and the female head 7 terminal surface between 1 terminal surface of outer tube and the 6 roots of public head, shrouding 10 is preferred to be the same material with outer tube 1, perhaps integrated into one piece, the internal diameter of shrouding 10 is unanimous with 2 external diameters of inner tube, the external diameter is unanimous with 1 external diameter of outer tube, the preferred adoption of thickness is 2-10mm, set up shrouding 10, can restrict the position of heat preservation thermal insulation material 5, make it keep at outer tube 1 and 2 middle intermediate layers of inner tube, ensure the heat preservation effect, set up shrouding 10, when two or more tuber pipes connect gradually, can be in the same place through the close-fitting at relative shrouding.

As shown in fig. 6 and 7, an end flange 13 is disposed between one end surface of the outer pipe 1 and the root of the male pipe 6 and/or an end flange 13 is disposed between the other end of the outer pipe 1 and the end surface of the female pipe 7, the end flanges 13 are disposed on one sides of the male pipe 6 and the female pipe 7, the end flanges 13 are convenient for connecting the air pipes with a blower or other equipment, when the air supply assembly is formed by combining at least two air pipes, the end flanges 13 are disposed on both ends of the male pipe 6 and the female pipe 7, the end flanges 13 can fixedly connect the air pipes connected with each other, the end flanges 13 are fixedly matched with each other by bolts 14, the end flanges 13 are disposed, the air pipe butt joint difficulty is greatly simplified, the installation cost is simple, the end flanges 13 can also limit the position of the heat insulating material 5, so that the heat insulating material is kept in the interlayer between the outer pipe 1 and, when two piece at least tuber pipes adopt the mode interconnect each other of tip flange 13, can also set up sealing rubber pad 15 between tip flange 13, set up sealing rubber pad 15, after sealing washer 7 became invalid, sealing rubber pad 15 can play sealed effect equally, prevents air supply assembly gas leakage, and sealing rubber pad 15 can realize sealedly through the extrusion deformation of two flanges, the installation of being convenient for, and sealed effectual simultaneously.

The outer pipe 1 and the inner pipe 2 can be epoxy glass pipes, and the epoxy glass pipes are low in cost, have certain heat resistance and corrosion resistance, and are suitable for use environments in wind power blades.

The utility model also provides an air supply assembly, including two piece at least tuber pipes, the tuber pipe is connected gradually end to end with the tuber pipe, and public first 6 of tuber pipe and the female 7 cooperations of an adjacent tuber pipe, sealing washer 9 is located between public first 6 outer walls and the 7 inner walls of female head, adopts this air supply assembly to be arranged in wind-powered electricity generation blade deicing system's air supply, and the transportation and the installation of the air supply assembly of being convenient for keep warm effectually after installing simultaneously, and is sealed effectual, and calorific loss is few, and heat utilization rate is high, and then under same heater power, has improved deicing effect.

The outer tube 1 junction of two tuber pipes is provided with sticky tape 11, and then can seal through sticky tape 11 after sealing washer 9 and tip shrouding 10 became invalid, ensures that public first 6 and female 7 butt joint department can not leak gas, in this embodiment, still is provided with rubber ring 12 in the sticky tape 11 outside, prevents that sticky tape 11 pine from taking off, further improves sealed effect, and sticky tape 11 and rubber ring 12 still improve the connection steadiness between the tuber pipe simultaneously.

Example two

Referring to fig. 8 to 9, the present embodiment is substantially the same as the first embodiment in terms of technical solutions, except that: only be provided with support piece 3 between this embodiment outer tube 1 and the inner tube 2, form air insulating layer 4 between 1 inner wall of outer tube and the 2 outer walls of inner tube, adopt the air thermal-insulated, guaranteed thermal-insulated effect promptly, prevent calorific loss, improve heat utilization rate, alleviateed the whole weight of tuber pipe or air supply subassembly again simultaneously, reduce the influence of tuber pipe or air supply subassembly to the wind-powered electricity generation blade.

EXAMPLE III

Referring to fig. 10 to 11, the present embodiment is substantially the same as the first embodiment in terms of technical solutions, except that: this embodiment only is provided with heat preservation and insulation material 5 between outer tube 1 and the inner tube 2, support piece 3 has been saved, heat preservation and insulation material 5 has guaranteed thermal-insulated effect, prevent calorific loss, improve heat utilization, the whole weight of tuber pipe or air supply subassembly has been guaranteed again simultaneously, reduce the influence of tuber pipe or air supply subassembly to the wind-powered electricity generation blade, in this embodiment, outer tube 1 preferably adopts aluminium foil glass cloth, its sealing performance is good, light in weight is applicable to the service environment in the wind-powered electricity generation blade equally, and then more do benefit to the lightweight, when adopting aluminium foil glass cloth, inner tube 2 preferably adopts the thick wall inner tube, the wall thickness preferably adopts 5-10mm, and the structural strength is.

Claims (10)

1. The utility model provides an tuber pipe for deicing of wind-powered electricity generation blade, characterized by, including outer tube (1) and inner tube (2) that cup joint each other, be provided with support piece (3) and/or thermal insulation material (5) between outer tube (1) inner wall and inner tube (2) outer wall, inner tube (2) one end is protruding to be stretched out outer tube (1) tip and is formed public head (6), and the female head (7) of echelonment is formed in outer tube (1) tip to the other end of inner tube (2) concavity, and female head (7) include one end and outer tube (1) terminal surface parallel and level's insertion portion (71), and insertion portion (71) other end passes through go-between (72) and is connected with inner tube (2), and insertion portion (71) internal diameter is greater than inner tube (2) external diameter, the degree of depth of insertion portion (71) is not less than the length of public head (6), be provided with sealing washer (9, the outer diameter of the sealing ring (9) is larger than the inner diameter of the insertion part (71), and the inner diameter of the sealing ring (9) is smaller than the outer diameter of the male head (6).

2. Wind pipe for deicing wind blades according to claim 1, characterized in that said insert (71) is coaxial to the inner pipe (2).

3. The wind pipe for deicing wind turbine blades as claimed in claim 2, wherein said connecting ring (72) has an outer diameter corresponding to the outer diameter of the insertion portion (71), and the inner wall of the connecting ring (72) has an inner diameter corresponding to the inner wall of the inner pipe (2).

4. The wind pipe for deicing wind turbine blades as claimed in claim 1, wherein the outer wall of the male head (6) and/or the inner wall of the female head (7) is/are provided with a sealing groove (8) for mounting a sealing ring (9).

5. The wind pipe for deicing wind turbine blades as claimed in claim 1, wherein a sealing plate (10) is arranged between one end face of the outer pipe (1) and the root of the male head (6) and/or a sealing plate (10) is arranged between the other end of the outer pipe (1) and the end face of the female head (7).

6. The wind pipe for deicing wind turbine blades as claimed in claim 1, wherein an end flange (13) is arranged between one end face of the outer pipe (1) and the root of the male head (6) and/or an end flange (13) is arranged between the other end of the outer pipe (1) and the end face of the female head (7).

7. Wind pipe for deicing wind blades according to any of claims 1 to 6, characterized in that said inner pipe (2), connection ring (72) and insert (71) are integrally formed.

8. An air supply assembly, characterized by comprising at least two air ducts according to any one of claims 1 to 7, which are connected end to end in sequence, the male end (6) of an air duct being fitted with the female end (7) of an adjacent air duct, said sealing ring (9) being located between the outer wall of the male end (6) and the inner wall of the female end (7).

9. An air supply assembly as defined in claim 8, characterised in that the joint between the outer tubes (1) of the two air ducts is provided with an adhesive tape (11).

10. An air supply assembly as claimed in claim 9, characterised in that a rubber ring (12) is provided outside the adhesive tape (11).

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