CN210950381U

CN210950381U - Composite high-temperature expansion joint

Info

Publication number: CN210950381U
Application number: CN201921778993.XU
Authority: CN
Inventors: 叶平; 常润
Original assignee: Jiangsu Darun Power Equipment Co ltd
Current assignee: Jiangsu Darun Power Equipment Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-07
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to the technical field of pipeline, and a compound high temperature expansion joint is disclosed, the mounting flange that is two including quantity, the intercommunicating pore has been seted up at mounting flange's top, two from top to bottom fixedly connected with bellows between the mounting flange. This compound high temperature expansion joint, make to drive the axis of rotation when gaseous through the intercommunicating pore and rotate through rotating the flabellum, make to rotate the flabellum and receive more stability when gaseous through buffer spring and movable block when passing through, it rotates to drive clearance pole and movable rod when the axis of rotation rotates, it rotates to drive turning block and brush when the movable rod rotates, more smooth and easy when making the movable rod rotate through the turning block, and make the movable rod closely laminate with the bellows throughout through pressure spring, make more thoroughly when the brush clears up the bellows internal surface, this strength through the abundant utilization carrier gas of a series of mechanical structure itself clears up bellows inner wall, and is green.

Description

Composite high-temperature expansion joint

Technical Field

The utility model relates to the technical field of pipelines, specifically a compound high temperature expansion joint.

Background

The expansion joint is a flexible element which can effectively compensate axial deformation, for example, the expansion joint welded on a fixed tube-plate heat exchanger shell has large axial flexibility and is easy to deform, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell, avoiding the strength damage, instability damage and tube pull-out damage, and has more types of common structures such as wave shape, ring plate welding, clamping shell type and the like, wherein the wave shape expansion joint is widely applied, the ring plate welding expansion joint is only suitable for the occasions of normal pressure or low pressure, the expansion joint is also called as a compensator or a telescopic joint in a convention way, and consists of a corrugated tube (an elastic element) and accessories such as an end tube, a bracket, a flange, a conduit and the like which form a working main body of the expansion joint and is used for compensating the additional stress caused by temperature difference and, but a flexible structure disposed on the reservoir housing or tubing.

Most expansion joints in the market use corrugated pipes as main structures of the expansion joints, but because the inner surface and the outer surface of each corrugated pipe are corrugated, dust is easy to accumulate in the corrugated pipes during conveying, and the dust accumulation for a long time can harden to influence the performance of the corrugated pipes, the composite high-temperature expansion joint is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a compound high temperature expansion joint possesses advantages such as the clearance dust of being convenient for, has solved the dust and has piled up the problem of the clearance of being not convenient for.

(II) technical scheme

For the above-mentioned purpose of being convenient for clear up the dust of realization, the utility model provides a following technical scheme: a composite high-temperature expansion joint comprises two mounting flanges, wherein intercommunicating pores are formed in the tops of the mounting flanges, corrugated pipes are fixedly connected between the upper mounting flange and the lower mounting flange, four moving grooves communicated with the intercommunicating pores are formed in the mounting flanges, guide shafts are fixedly connected between the upper side wall and the lower side wall in each moving groove, movable blocks are sleeved outside the guide shafts, buffer springs connected with the movable blocks and the inner side walls of the moving grooves are sleeved outside the guide shafts, mounting rings connected with the movable blocks are inserted into the intercommunicating pores, mounting rods are fixedly connected between the left side wall and the right side wall in the mounting rings, rotating shafts are movably connected between the upper mounting rods and the lower mounting rods, rotating fan blades are sleeved outside the rotating shafts, cleaning rods are sleeved outside the rotating shafts, movable cavities are formed in the cleaning rods, all install on the wall of both sides about the activity intracavity and set up the inside spacing groove at the clearance pole, one side fixedly connected with pressure spring of axis of rotation is kept away from to the activity intracavity, one side fixedly connected with that pressure spring kept away from the axis of rotation extends to the outside movable rod of clearance pole, the equal fixedly connected with in upper and lower both sides of movable rod extends to the stopper of spacing inslot portion, one side swing joint that the clearance pole was kept away from to the movable rod has the turning block that contacts with the bellows, one side fixedly connected with brush of clearance pole is kept away from to the movable rod.

Preferably, the number of the rotating fan blades is two, the two rotating fan blades are symmetrically distributed, and the two rotating fan blades are respectively located in the two communicating holes.

Preferably, the number of the communication holes is eight, the eight communication holes are divided into an upper group and a lower group, and one group of four communication holes are annularly distributed at equal intervals.

Preferably, the number of the cleaning rods is five, and the five cleaning rods are distributed in an equidistant staggered manner.

Preferably, the rotating blocks are spherical blocks, the rotating blocks are twenty in number, twenty rotating blocks are divided into five groups, and the five groups of rotating blocks are in one-to-one correspondence with five cleaning rods.

Preferably, the number of the hairbrushes is ten, the ten hairbrushes are divided into five groups, and the five groups of the hairbrushes correspond to the five groups of the rotating blocks one to one.

(III) advantageous effects

Compared with the prior art, the utility model provides a compound high temperature expansion joint possesses following beneficial effect:

this compound high temperature expansion joint, make to drive the axis of rotation when gaseous through the intercommunicating pore and rotate through rotating the flabellum, make to rotate the flabellum and receive more stability when gaseous through buffer spring and movable block when passing through, it rotates to drive clearance pole and movable rod when the axis of rotation rotates, it rotates to drive rotor block and brush when the movable rod rotates, more smooth and easy when making the movable rod rotate through the rotor block, and make the movable rod closely laminate with the bellows throughout through pressure spring, thereby make more thoroughly when the brush clears up the bellows internal surface, this strength through the abundant utilization carrier gas of a series of mechanical structure itself clears up bellows inner wall, high durability and convenient to use and green.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a position a in the structure diagram 1 of the present invention.

In the figure: 1, mounting flange, 2 communicating holes, 3 moving grooves, 4 guide shafts, 5 movable blocks, 6 buffer springs, 7 mounting rings, 8 mounting rods, 9 rotating shafts, 10 rotating fan blades, 11 corrugated pipes, 12 cleaning rods, 13 moving cavities, 14 limiting grooves, 15 pressure springs, 16 movable rods, 17 limiting blocks, 18 rotating blocks and 19 brushes.

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. 1-2, a composite high temperature expansion joint comprises two mounting flanges 1, wherein the top of the mounting flange 1 is provided with two communicating holes 2, the number of the communicating holes 2 is eight, the eight communicating holes 2 are divided into an upper group and a lower group, a group of four communicating holes 2 are distributed in an annular equidistant manner, a corrugated pipe 11 is fixedly connected between the upper mounting flange 1 and the lower mounting flange 1, the mounting flange 1 is internally provided with four moving grooves 3 which are communicated with the communicating holes 2, a guide shaft 4 is fixedly connected between the upper side wall and the lower side wall in the moving groove 3, a movable block 5 is sleeved outside the guide shaft 4, a buffer spring 6 connected with the movable block 5 and the inner side wall of the moving groove 3 is sleeved outside the guide shaft 4, a mounting ring 7 connected with the movable block 5 is inserted inside the communicating holes 2, a mounting rod 8 is fixedly connected between the, a rotating shaft 9 is movably connected between the upper and lower mounting rods 8, rotating fan blades 10 are sleeved outside the rotating shaft 9, the rotating fan blades 10 are two in total, the two rotating fan blades 10 are symmetrically distributed, the two rotating fan blades 10 are respectively positioned inside the two communicating holes 2, cleaning rods 12 are sleeved outside the rotating shaft 9, the cleaning rods 12 are five in total, the five cleaning rods 12 are distributed in an equidistant staggered manner, a movable cavity 13 is arranged inside the cleaning rod 12, limiting grooves 14 arranged inside the cleaning rod 12 are respectively arranged on the upper and lower side walls inside the cavity of the movable cavity 13, a pressure spring 15 is fixedly connected to one side, far away from the rotating shaft 9, inside the cavity of the movable cavity 13, a movable rod 16 extending to the outside of the cleaning rod 12 is fixedly connected to one side, far away from the rotating shaft 9, of the pressure spring 15, a limiting block 18 in contact with the corrugated pipe 11 is fixedly connected to one side, far away from the cleaning rod 12, of the movable rod 16, the rotating block 18 is a spherical block, twenty rotating blocks 18 are totally arranged, twenty rotating blocks 18 are divided into five groups, five groups of rotating blocks 18 and five cleaning rods 12 are in one-to-one correspondence, one side of the movable rod 16 far away from the cleaning rods 12 is fixedly connected with a brush 19, ten brushes 19 are totally arranged, ten brushes 19 are divided into five groups, five groups of brushes 19 and five groups of rotating blocks 18 are in one-to-one correspondence, the rotating shaft 9 is driven to rotate by rotating the fan blade 10 when gas passes through the communicating hole 2, the rotating fan blade 10 is more stable when gas passes through the gas through the buffer spring 6 and the movable block 5, the cleaning rod 12 and the movable rod 16 are driven to rotate when the rotating shaft 9 rotates, the rotating block 18 and the brush 19 are driven to rotate when the movable rod 16 rotates, the movable rod 16 is more smooth when the movable rod 16 rotates through the rotating block 18, and the movable rod 16 is tightly attached to the corrugated pipe 11 all the time through the pressure spring 15, thereby make more thoroughly when brush 19 clears up the internal surface of bellows 11, this can clear up bellows 11 inner wall through the abundant strength of utilizing conveying gas itself of a series of mechanical structure, convenient to use and green.

In summary, the composite high temperature expansion joint drives the rotation shaft 9 to rotate when the gas passes through the communication hole 2 by rotating the fan blades 10, when the air passes through, the buffer spring 6 and the movable block 5 make the rotating fan blade 10 more stable when being impacted by the air, the rotating shaft 9 drives the cleaning rod 12 and the movable rod 16 to rotate when rotating, the movable rod 16 drives the rotating block 18 and the brush 19 to rotate when rotating, the rotating block 18 makes the movable rod 16 rotate more smoothly, and the pressure spring 15 makes the movable rod 16 always tightly attached to the corrugated pipe 11, so that the brush 19 can clean the inner surface of the corrugated pipe 11 more thoroughly, this through the abundant strength of utilizing carrier gas itself of a series of mechanical structure clear up 11 inner walls of bellows, convenient to use and green have solved the dust and have piled up the problem that is not convenient for clear up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a compound high temperature expansion joint, is mounting flange (1) that quantity is two, its characterized in that: the top of the mounting flange (1) is provided with communicating holes (2), a corrugated pipe (11) is fixedly connected between the upper mounting flange (1) and the lower mounting flange (1), the inside of the mounting flange (1) is provided with four moving grooves (3) which are communicated with the communicating holes (2), a guide shaft (4) is fixedly connected between the upper side wall and the lower side wall in the moving groove (3), the outside of the guide shaft (4) is sleeved with a movable block (5), the outside of the guide shaft (4) is sleeved with a buffer spring (6) which is connected with the movable block (5) and the inner side wall of the moving groove (3), a mounting ring (7) which is connected with the movable block (5) is inserted in the communicating holes (2), a mounting rod (8) is fixedly connected between the left side wall and the right side wall in the mounting ring (7), and a rotating shaft (9) is movably connected between, the outside of axis of rotation (9) has cup jointed and has rotated flabellum (10), clearance rod (12) have been cup jointed to the outside of axis of rotation (9), movable chamber (13) have been seted up to the inside of clearance rod (12), all install on both sides wall about movable chamber (13) intracavity and set up spacing groove (14) inside clearance rod (12), one side fixedly connected with pressure spring (15) of axis of rotation (9) are kept away from to movable chamber (13) intracavity, one side fixedly connected with that axis of rotation (9) were kept away from in pressure spring (15) extends to clearance rod (12) outside movable rod (16), the equal fixedly connected with in upper and lower both sides of movable rod (16) extends to spacing block (17) inside spacing groove (14), one side swing joint that clearance rod (12) were kept away from in movable rod (16) has rotating block (18) that contact with bellows (11), one side fixedly connected with brush (19) that clearance rod (12) were kept away from in movable rod (16).

2. A composite high temperature expansion joint according to claim 1, wherein: the number of the rotating fan blades (10) is two, the two rotating fan blades (10) are symmetrically distributed, and the two rotating fan blades (10) are respectively located in the two communicating holes (2).

3. A composite high temperature expansion joint according to claim 1, wherein: the communication holes (2) are eight in number, the eight communication holes (2) are divided into an upper group and a lower group, and the four communication holes (2) are distributed in an annular and equidistant mode.

4. A composite high temperature expansion joint according to claim 1, wherein: the cleaning rods (12) are five in total, and the cleaning rods (12) are distributed in an equidistant staggered mode.

5. A composite high temperature expansion joint according to claim 1 or 4, wherein: the rotary blocks (18) are spherical blocks, twenty rotary blocks (18) are totally twenty, twenty rotary blocks (18) are divided into five groups, and the five groups of rotary blocks (18) are in one-to-one correspondence with five cleaning rods (12).

6. The composite high temperature expansion joint of claim 5, wherein: the number of the hairbrushes (19) is ten, the ten hairbrushes (19) are divided into five groups, and the five groups of the hairbrushes (19) are in one-to-one correspondence with the five groups of the rotating blocks (18).