CN214889661U

CN214889661U - Three-dimensional corrugated compensator with guiding device

Info

Publication number: CN214889661U
Application number: CN202023341613.1U
Authority: CN
Inventors: 吉慧萍; 刘涛
Original assignee: Jiangsu Hengfeng Bellows Co ltd
Current assignee: Jiangsu Hengfeng Bellows Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-26
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a three-dimensional corrugated compensator with guider, including the left side takeover that connects gradually, first bellows, take over in first, the outer tube, take over in the second, second bellows and right side takeover, take over in first and stretch into in the outer tube inner chamber, be equipped with sealing filler II between takeover and the outer tube in first, filler II both sides are equipped with the filler ring, take over the outer surface welding in first and have flange I, the welding of outer tube left end has flange II, be equipped with outer direction subassembly on takeover and the outer tube in first, be equipped with interior direction subassembly between takeover and the outer tube inner wall in first. The utility model discloses be equipped with outer direction subassembly and interior direction subassembly, set up the sealing washer between the surface of honeycomb duct and takeover, the both sides of sealing washer are equipped with the retaining ring respectively to effectively reduce the flexible in-process torsion and the frictional force of compensator, avoid the emergence of the dead phenomenon of card, reduce the compensator wearing and tearing, the life of extension bellows and whole compensator.

Description

Three-dimensional corrugated compensator with guiding device

Technical Field

The utility model belongs to the technical field of the pipeline compensator technique and specifically relates to a three-dimensional ripple compensator with guider.

Background

A plurality of compensators for compensating the expansion of the pipeline are required to be installed in the heat supply pipeline in sections, in particular to a long-distance heat supply pipeline which is buried underground and used for conveying high-temperature and high-pressure media, and the compensators have larger wall thickness and larger mass. Because the flexible volume that heat supply pipeline produced is great in the use for the compensator produces great torsion and frictional force at flexible in-process, because the bellows wave number of compensator is more, local leakage appears because of tired easily in the bellows of long-term use, and the compensator still can appear the card phenomenon at times.

The three-dimensional pipeline compensator installed in the existing power plant and cement plant is generally designed aiming at smoke wind or coal powder pipelines, the structure of the three-dimensional pipeline compensator is relatively complex, the three-dimensional pipeline compensator is inconvenient to manufacture and install, and the sealing element of the three-dimensional pipeline compensator is easy to generate leakage phenomenon due to abrasion after being used for three to five years. The leakage of the pipeline can not be found in time, so that a large economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can effectively reduce the flexible in-process torsion and the frictional force of compensator, the three-dimensional ripple compensator that has guider of reducing wear.

The purpose of the utility model is realized by adopting the following technical scheme:

a three-dimensional corrugated compensator with a guide device comprises a left connecting pipe, a first corrugated pipe, a first middle connecting pipe, an outer sleeve pipe, a second middle connecting pipe, a second corrugated pipe and a right connecting pipe which are sequentially connected, wherein two ends of the first corrugated pipe are respectively welded with the left connecting pipe and the first middle connecting pipe through a short connecting pipe and a ring plate; the outer guide assembly comprises a support, a wheel shaft and wheels, the support is fixed on the outer surface of the outer sleeve, the wheel shaft is arranged at the left end of the support, the wheels are arranged at the lower end of the wheel shaft, and the wheels are in close contact with the outer surface of the first middle connecting pipe.

As the utility model discloses a preferred technical scheme, be equipped with the interior direction subassembly between the right-hand member of takeover and the inner wall of outer tube in the first, the interior direction subassembly includes U-shaped frame and wheel, and the wheel passes through the U-shaped frame to be connected with the right-hand member of takeover in with the first and fixes, wheel and the inner wall in close contact with of outer tube.

As the utility model discloses an preferred technical scheme, be equipped with the honeycomb duct in the inner chamber of first bellows, be equipped with the sealing washer between the surface that honeycomb duct and left takeover, the both sides of sealing washer are equipped with the retaining ring respectively.

As the utility model discloses an preferred technical scheme, it has filler I to fill between the surface of the inner wall of first bellows and honeycomb duct and left takeover, be equipped with the backing ring between the left end of takeover and the honeycomb duct in the first.

As the utility model discloses an preferred technical scheme, be equipped with the honeycomb duct in the inner chamber of second bellows, be equipped with the sealing washer between the surface of takeover in honeycomb duct and the second, the both sides of sealing washer are equipped with the retaining ring respectively.

As the utility model discloses an preferred technical scheme, it has filler I to fill between the surface of takeover in the inner wall of second bellows and honeycomb duct and the second, be equipped with the backing ring between the left end of takeover on the right side and the honeycomb duct.

As the utility model discloses a preferred technical scheme, the left crown plate of first bellows passes through gusset and left takeover welded fastening, and the crown plate on first bellows right side passes through gusset and first takeover welded fastening in.

As the utility model discloses a preferred technical scheme, the both sides of first bellows and second bellows are equipped with the otic placode respectively, connect through the pull rod nut subassembly between the otic placode.

The utility model has the advantages that: compared with the prior art, the outer guide component is arranged on the outer surfaces of the first middle connecting pipe and the outer sleeve pipe; the inner guide assembly is arranged between the right end of the first middle connecting pipe and the inner wall of the outer sleeve, the sealing ring is arranged between the flow guide pipe and the outer surface of the connecting pipe, and the two sides of the sealing ring are respectively provided with the check rings, so that torsion and friction in the telescopic process of the compensator can be effectively reduced, the phenomenon of blocking is avoided, the abrasion of the compensator is reduced, and the service life of the corrugated pipe and the whole compensator is prolonged. The utility model discloses be difficult for leaking, long service life, maintenance cost are low, work safe and reliable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the left connecting pipe, 2, a ring plate, 3, a nipple, 4, a first corrugated pipe, 5, a retainer ring, 6, a packing I, 7, a guide pipe, 8, a first middle connecting pipe, 9, an outer guide component, 10, a flange I, 11, a packing ring, 12, a flange II, 13, a bolt and nut component, 14, a wheel, 15, a bracket, 16, a packing II, 17, an inner guide component, 18, an outer sleeve, 19, a second middle connecting pipe, 20, a sealing ring, 21, a cushion ring, 22, an ear plate, 23, a pull rod and nut component, 24, a second corrugated pipe, 25 and a right connecting pipe.

Detailed Description

The invention will be further described with reference to the following detailed description of the embodiments with reference to the accompanying drawings:

as shown in fig. 1, a three-dimensional corrugated compensator with a guiding device comprises a left connecting pipe 1, a first corrugated pipe 4, a first middle connecting pipe 8, an outer sleeve 18, a second middle connecting pipe 19, a second corrugated pipe 24 and a right connecting pipe 25 which are connected in sequence, wherein two ends of the first corrugated pipe 4 are respectively welded with the left connecting pipe 1 and the first middle connecting pipe 8 through a short connecting pipe 3 and a ring plate 2, two ends of the second corrugated pipe 24 are respectively welded with the second middle connecting pipe 19 and the right connecting pipe 25 through the short connecting pipe and the ring plate, the right end of the first middle connecting pipe 8 extends into an inner cavity of the outer sleeve 18, a sealing filler II16 is arranged between the first middle connecting pipe 8 and the outer sleeve 18, filler rings 11 are respectively arranged on two sides of the filler II16, a flange I10 is welded on the outer surface of the first middle connecting pipe 8, a flange II12 is welded at the left end of the outer sleeve 18, the flange I10 is connected with a flange II12 through a bolt-nut assembly 13, and outer guide assemblies 9 are arranged on the outer surfaces of the first middle connecting pipe 8 and the outer sleeve 18; the outer guide assembly 9 comprises a bracket 15, a wheel shaft and a wheel 14, the bracket 15 is fixed on the outer surface of the outer sleeve 18, the left end of the bracket 15 is provided with the wheel shaft, the lower end of the wheel shaft is provided with the wheel 14, and the wheel 14 is tightly contacted with the outer surface of the first connecting pipe 8.

In this embodiment, an inner guide assembly 17 is disposed between the right end of the first middle connection pipe 8 and the inner wall of the outer sleeve 18, the inner guide assembly 17 includes a U-shaped frame and a wheel, the wheel is connected and fixed with the right end of the first middle connection pipe 8 through the U-shaped frame, and the wheel is in close contact with the inner wall of the outer sleeve 18. A flow guide pipe 7 is arranged in an inner cavity of the first corrugated pipe 4, a sealing ring is arranged between the flow guide pipe 7 and the outer surface of the left connecting pipe 1, and two sides of the sealing ring are respectively provided with a retaining ring 5.

And a filler I6 is filled between the inner wall of the first corrugated pipe 4 and the outer surfaces of the draft tube 7 and the left connecting tube 1, and a backing ring is arranged between the left end of the first middle connecting tube 8 and the draft tube 7. A flow guide pipe is arranged in the inner cavity of the second corrugated pipe 24, a sealing ring 20 is arranged between the flow guide pipe and the outer surface of the second middle connecting pipe 19, and two sides of the sealing ring 20 are respectively provided with a retaining ring. And a filler I is filled between the inner wall of the second corrugated pipe 24 and the outer surfaces of the flow guide pipe and the second middle connecting pipe 19, and a backing ring 21 is arranged between the left end of the right connecting pipe 25 and the flow guide pipe. The ring plate 2 on the left side of the first corrugated pipe 4 is fixedly welded with the left connecting pipe 1 through a rib plate, and the ring plate on the right side of the first corrugated pipe 4 is fixedly welded with the first middle connecting pipe 8 through a rib plate; the two sides of the first bellows 4 and the second bellows 24 are respectively provided with an ear plate 22, and the ear plates 22 are connected through a pull rod nut component 23.

The above embodiments are only for illustrating the conception and technical features of the present invention, and the purpose thereof is to make the technical personnel skilled in the art understand the technical solution and implementation mode of the present invention, and thus the protection scope of the present invention can not be limited thereby. All equivalent substitutions or equivalent changes made according to the technical scheme of the invention are intended to be covered by the protection scope of the claims of the invention.

Claims

1. The utility model provides a three-dimensional ripple compensator with guider, including the left side takeover that connects gradually, first bellows, take over in first, the outer tube, take over in the second, second bellows and right side takeover, the both ends of first bellows are respectively through nipple and crown plate and left takeover and first well takeover welding, the both ends of second bellows are respectively through nipple and crown plate and second in takeover and right takeover welding, the right-hand member of takeover stretches into in the inner chamber of outer tube in first, be equipped with sealing filler II between first in takeover and the outer tube, filler II's both sides are equipped with the filler ring respectively, the outer surface welding of first well takeover has flange I, the left end welding of takeover has flange II, be connected through bolt and nut subassembly between flange I and the flange II, characterized by: the outer surfaces of the first middle connecting pipe and the outer sleeve are provided with outer guide assemblies; the outer guide assembly comprises a support, a wheel shaft and wheels, the support is fixed on the outer surface of the outer sleeve, the wheel shaft is arranged at the left end of the support, the wheels are arranged at the lower end of the wheel shaft, and the wheels are in close contact with the outer surface of the first middle connecting pipe.

2. The three-dimensional corrugated compensator with guide means according to claim 1, wherein: an inner guide assembly is arranged between the right end of the first middle connecting pipe and the inner wall of the outer sleeve, the inner guide assembly comprises a U-shaped frame and wheels, the wheels are connected and fixed with the right end of the first middle connecting pipe through the U-shaped frame, and the wheels are in close contact with the inner wall of the outer sleeve.

3. The three-dimensional corrugated compensator with guide means according to claim 1, wherein: and a flow guide pipe is arranged in the inner cavity of the first corrugated pipe, a sealing ring is arranged between the flow guide pipe and the outer surface of the left connecting pipe, and two sides of the sealing ring are respectively provided with a retaining ring.

4. The three-dimensional corrugated compensator with guide means according to claim 3, wherein: and a filler I is filled between the inner wall of the first corrugated pipe and the outer surfaces of the flow guide pipe and the left connecting pipe, and a backing ring is arranged between the left end of the first middle connecting pipe and the flow guide pipe.

5. The three-dimensional corrugated compensator with guide means according to claim 1, wherein: and a flow guide pipe is arranged in the inner cavity of the second corrugated pipe, a sealing ring is arranged between the flow guide pipe and the outer surface of the second middle connecting pipe, and two sides of the sealing ring are respectively provided with a retaining ring.

6. The three-dimensional corrugated compensator with guide means according to claim 5, wherein: and a filler I is filled between the inner wall of the second corrugated pipe and the outer surfaces of the flow guide pipe and the second middle connecting pipe, and a backing ring is arranged between the left end of the right connecting pipe and the flow guide pipe.

7. The three-dimensional corrugated compensator with guide means according to claim 1, wherein: the ring plate on the left side of the first corrugated pipe is welded and fixed with the left connecting pipe through the rib plate, and the ring plate on the right side of the first corrugated pipe is welded and fixed with the first middle connecting pipe through the rib plate.

8. The three-dimensional corrugated compensator with guide means according to claim 1, wherein: the two sides of the first corrugated pipe and the second corrugated pipe are respectively provided with lug plates, and the lug plates are connected through a pull rod nut component.