CN217234832U

CN217234832U - Enhanced anti-corrosion metal compensator

Info

Publication number: CN217234832U
Application number: CN202220285332.9U
Authority: CN
Inventors: 刘根喜; 叶吉祥
Original assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Current assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-19
Anticipated expiration: 2032-02-11

Abstract

The utility model relates to an expansion joint compensator field specifically is a reinforcing nature anticorrosion metal compensator, including the ripple expansion pipe, flange and activity have been cup jointed to the both ends of ripple expansion pipe outer wall all fixed flange that has cup jointed and the flange pipe has been cup jointed in the activity, and one side of flange is fixed nested has the sealing washer. This kind of reinforcing nature anticorrosion metal compensator, through the cooperation of two hinge bars and slot of positioning mechanism both sides, can be with the quick fixed connection of flange and flange pipe, can make two hinge bars retract to the stop collar intraductally through the pull rod, thereby dismantle flange and flange pipe fast, the installation connects soon and dismantles simply, the effectual installation effectiveness that has improved, ripple expansion pipe through 316L stainless steel, it is high to strengthen corrosive concentration, through the cooperation of two hands twisting bolt and first spring in the movable sleeve, can improve the deformation displacement distance of ripple expansion pipe, the absorption equipment vibration, reduce the influence of equipment vibration to the pipeline.

Description

Enhanced anti-corrosion metal compensator

Technical Field

The utility model relates to an expansion joint compensator field specifically is a metal compensator.

Background

The expansion joint is also called a compensator or an expansion joint conventionally, is mainly used for compensating expansion with heat and contraction with cold generated by the change of temperature of the pipeline, is mainly used in various pipelines, can compensate the thermal displacement of the pipeline, mechanically absorbs various mechanical vibration, and plays a role in reducing the stress of the pipeline and prolonging the service life of the pipeline. The water pipeline compensator has two connection modes of flange connection and welding, and the metal wave expansion joint has its elements capable of effectively extending and contracting to absorb the size change of pipeline, conduit or container caused by expansion caused by heat, contraction caused by cold and other reasons.

The following problems in the prior art are not well solved: 1. the connecting mode of the pipeline compensator on the market at present is divided into flange connection and welding, the welding is integrated and cannot be disassembled and replaced, a large number of bolts need to be installed in the flange connection, time and labor are wasted during installation and replacement, and the installation efficiency is low; 2. and the failure of the existing metal corrugated expansion joint is caused by external corrosion, so that the compensator is scrapped, and the existing compensator has limited absorption on axial, transverse and angular displacements and is not suitable for being installed in extreme geographical environments.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforcing nature anticorrosion metal compensator to the bolt installation that proposes in solving above-mentioned background art dismantles efficiency lower, metal expansion joint receives external corrosion easily to influence life, and absorb limited problem to the displacement.

In order to achieve the above object, the utility model provides a following technical scheme: the enhanced anti-corrosion metal compensator comprises a corrugated expansion pipe, wherein two ends of the outer wall of the corrugated expansion pipe are fixedly sleeved with connecting flanges and movably sleeved with flange pipes, one side of each connecting flange is fixedly nested with a sealing ring, hand-screwed bolts are in threaded connection in the two connecting flanges, movable sleeves are movably sleeved on the two hand-screwed bolts, opposite sides of the two hand-screwed bolts are fixedly connected through a first spring, a positioning mechanism is movably inserted in the opposite sides of the two connecting flanges, and slots are formed in the opposite sides of the two flange pipes;

positioning mechanism includes limit sleeve, and limit sleeve activity alternates in flange, the logical groove that runs through to its inner wall is all seted up to limit sleeve outer wall's both sides, and limit sleeve internalization alternates there is the pull rod, the first movable block of one end fixedly connected with of pull rod, and first movable block through two articulated links and second movable block swing joint, and first movable block and second movable block pass through second spring fixed connection, the third spring has been cup jointed in the activity on the pull rod.

Preferably, the number of the hand-screwed bolts is six, and three hand-screwed bolts are in a group of radial equidistant threaded connection with the two connecting flanges.

Preferably, the number of the limiting sleeves is six, three through holes are formed in one side of each of the two connecting flanges at equal intervals in the radial direction, and the six limiting sleeves are movably inserted into the six through holes respectively.

Preferably, the number of the slots is six, and the two hinge rods respectively penetrate through the two through grooves and are clamped in the slots.

Preferably, the hinged rod is formed by two short rods in a hinged manner, and two ends of the hinged rod are movably connected with the first movable block 804 and the second movable block respectively.

Preferably, the material of the corrugated expansion pipe is 316L stainless steel, and the outer wall of the corrugated expansion pipe is coated with an anti-corrosion coating.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the cooperation of two hinge arms of positioning mechanism both sides and slot, can make two hinge arms return to the stop collar intraductally with the quick fixed connection of flange and flange pipe through the pull rod to dismantle flange and flange pipe fast, the installation connects soon and dismantles simply, the effectual installation effectiveness that has improved.

The utility model discloses in, through 316L stainless steel's ripple expansion pipe, it is high to strengthen the corrosion concentration, through its outer wall coated anticorrosive coating, further improves corrosion resistance, increase of service life to screw up the cooperation of bolt and first spring through two hands in the movable sleeve, can improve the deformation displacement distance of ripple expansion pipe, thereby more effectual absorption earthquake, the deformation of caved in to the pipeline, the absorption equipment vibration, the influence of reduction equipment vibration to the pipeline.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective sectional view of the structure of the present invention;

fig. 3 is a three-dimensional sectional view of the structure positioning mechanism of the present invention;

FIG. 4 is a perspective sectional view of the movable sleeve of the present invention;

fig. 5 is a side view of the structural attachment flange of the present invention.

In the figure: 1. a corrugated expansion pipe; 2. a connecting flange; 3. a flange pipe; 4. a seal ring; 5. screwing the bolt by hand; 6. an active cannula; 7. a first spring; 8. a positioning mechanism; 801. a limiting sleeve; 802. a through groove; 803. a pull rod; 804. a first movable block; 805. a hinged lever; 806. a second movable block; 807. a second spring; 808. a third spring; 9. and (4) a slot.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the enhanced anti-corrosion metal compensator comprises a corrugated expansion pipe 1, wherein two ends of the outer wall of the corrugated expansion pipe 1 are fixedly sleeved with connecting flanges 2 and movably sleeved with flange pipes 3, one sides of the connecting flanges 2 are fixedly nested with sealing rings 4, hand-screwed bolts 5 are in threaded connection in the two connecting flanges 2, movable sleeves 6 are movably sleeved on the two hand-screwed bolts 5, opposite sides of the two hand-screwed bolts 5 are fixedly connected through first springs 7, opposite sides of the two connecting flanges 2 are movably inserted with positioning mechanisms 8, and opposite sides of the two flange pipes 3 are provided with slots 9;

positioning mechanism 8 includes limit sleeve 801, and limit sleeve 801 activity alternates in flange 2, the logical groove 802 that runs through to its inner wall is all seted up to the both sides of limit sleeve 801 outer wall, and limit sleeve 801 internalization alternates there is the pull rod 803, the first movable block 804 of one end fixedly connected with of pull rod 803, and first movable block 804 is through two hinged joint bars 805 and second movable block 806 swing joint, and first movable block 804 and second movable block 806 are through second spring 807 fixed connection, the activity cup joints third spring 808 on the pull rod 803.

In this embodiment, as shown in fig. 1, 4 and 5, the number of the hand-screwed bolts 5 is six, and three hand-screwed bolts 5 are a group of radially equidistant threaded connections on two connecting flanges 2, and through the cooperation of two hand-screwed bolts 5 and the first spring 7 in the movable sleeve 6, the deformation displacement distance of the corrugated expansion pipe 1 can be increased, so that the deformation of the pipeline caused by earthquake and ground subsidence can be more effectively absorbed, the vibration of the equipment can be absorbed, and the influence of the vibration of the equipment on the pipeline can be reduced.

In this embodiment, as shown in fig. 1, 4 and 5, the number of the limiting sleeves 801 is six, three through holes are radially and equidistantly formed in one side of each of the two connecting flanges 2, and the six limiting sleeves 801 are movably inserted into the six through holes respectively.

In this embodiment, as shown in fig. 3, the number of the slots 9 is six, and two hinge rods 805 respectively penetrate through the two through grooves 802 and are clamped in the slots 9, through the cooperation of the two hinge rods 805 on the two sides of the positioning mechanism 8 and the slots 9, the connecting flange 2 and the flange pipe 3 can be quickly and fixedly connected, and the two hinge rods 805 can be retracted into the limiting sleeve 801 through the pull rod 803, so that the connecting flange 2 and the flange pipe 3 can be quickly disassembled, the installation is quick, the disassembly is simple, and the installation efficiency is effectively improved.

In this embodiment, as shown in fig. 3, the hinge bar 805 is formed by two short bars, and two ends of the hinge bar 805 are movably connected to the first movable block 804 and the second movable block 806 respectively.

In the embodiment, as shown in fig. 1 and fig. 2, the corrugated expansion pipe 1 is made of 316L stainless steel, the outer wall of the corrugated expansion pipe 1 is coated with an anticorrosive coating, the 316L stainless steel is widely applied to the chemical industry due to its excellent corrosion resistance, the 316L is also a derivative steel type of 18-8 type austenitic stainless steel, the reinforced corrosion concentration is high through the corrugated expansion pipe 1 made of the 316L stainless steel, and the corrosion resistance is further improved and the service life is prolonged through the anticorrosive coating coated on the outer wall of the corrugated expansion pipe.

The utility model discloses a use method and advantage: when the reinforced anti-corrosion metal compensator is installed, the working process is as follows:

in this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, firstly, two flange pipes 3 are respectively movably sleeved at two ends of a corrugated expansion pipe 1, six positioning mechanisms 8 are sequentially inserted into through holes formed at opposite sides of two connecting flanges 2, two hinge rods 805 respectively penetrate through two through grooves 802 and are clamped in slots 9 under the resilience action of a second spring 807, so as to complete the limiting installation, when the expansion joint needs to be disassembled, a pull rod 803 is pulled towards one side far away from the connecting flanges 2 to drive a first movable block 804 to displace, the hinge rods 805 are limited by the through grooves 802 to retract and extend into the limiting sleeve 801, and contact with the clamping state of the slots 9, so as to rapidly disassemble the expansion joint.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A reinforced corrosion-resistant metal compensator comprising a corrugated expansion pipe (1), characterized in that: the corrugated expansion pipe is characterized in that a connecting flange (2) and a flange pipe (3) are fixedly sleeved at two ends of the outer wall of the corrugated expansion pipe (1), a sealing ring (4) is fixedly nested at one side of the connecting flange (2), hand-screwed bolts (5) are in threaded connection in the two connecting flanges (2), movable sleeves (6) are movably sleeved on the two hand-screwed bolts (5), opposite sides of the two hand-screwed bolts (5) are fixedly connected through a first spring (7), a positioning mechanism (8) is movably inserted in the opposite sides of the two connecting flanges (2), and slots (9) are formed in the opposite sides of the two flange pipes (3);

positioning mechanism (8) include spacing sleeve pipe (801), and spacing sleeve pipe (801) activity interlude in flange (2), logical groove (802) that run through to its inner wall are all seted up to the both sides of spacing sleeve pipe (801) outer wall, and spacing sleeve pipe (801) internalization interlude has pull rod (803), the first movable block (804) of one end fixedly connected with of pull rod (803), and first movable block (804) are through two articulated rods (805) and second movable block (806) swing joint, and just first movable block (804) and second movable block (806) are through second spring (807) fixed connection, third spring (808) have been cup jointed in the activity on pull rod (803).

2. The enhanced corrosion protected metal compensator of claim 1, wherein: the number of the hand-screwed bolts (5) is six, and the three hand-screwed bolts (5) are in threaded connection with the two connecting flanges (2) at equal intervals in the radial direction.

3. The enhanced corrosion protected metal compensator of claim 1, wherein: the number of the limiting sleeves (801) is six, three through holes are formed in one side of the connecting flange (2) at equal intervals in the radial direction, and the six limiting sleeves (801) are movably inserted into the six through holes respectively.

4. The enhanced corrosion-protected metal compensator of claim 1, wherein: the number of the slots (9) is six, and the two hinge rods (805) respectively penetrate through the two through grooves (802) and are clamped in the slots (9).

5. The enhanced corrosion protected metal compensator of claim 1, wherein: the hinged rod (805) is formed by hinging two short rods, and two ends of the hinged rod (805) are respectively movably connected with the first movable block (804) and the second movable block (806).

6. The enhanced corrosion-protected metal compensator of claim 1, wherein: the corrugated expansion pipe (1) is made of 316L stainless steel, and the outer wall of the corrugated expansion pipe (1) is coated with anticorrosive paint.