CN112483757B

CN112483757B - Corrugated pipe compensator

Info

Publication number: CN112483757B
Application number: CN202011450621.1A
Authority: CN
Inventors: 黄斌
Original assignee: Jiaozuo Wanrui Industry And Trade Co ltd
Current assignee: Jiaozuo Wanrui Industry And Trade Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-09-16
Anticipated expiration: 2040-12-11
Also published as: CN112483757A

Abstract

The invention relates to a corrugated pipe compensator which comprises two butt joint devices, telescopic pipes, adjustable ear seats, limiting devices and supporting devices, wherein the telescopic pipes are connected between the two butt joint devices, the adjustable ear seats are uniformly arranged on the butt joint devices along the circumferential direction of the butt joint devices, the limiting devices are connected between the adjustable ear seats which are correspondingly arranged up and down, and the supporting devices are sleeved between the limiting devices. The invention can solve the problems that flange joints at the upper end and the lower end of the existing corrugated pipe compensator are usually fixed with the telescopic part, cannot be taken down and are difficult to be butted with external connecting pipes with different diameters, the external structure of the existing corrugated pipe compensator is fixed and is difficult to adjust, a small installation space is difficult to put in, after the telescopic part is stretched for a long time, the telescopic part is easy to shake when a conveyed medium passes through the telescopic part under the impact of large pressure, the shaking amplitude is large, the structure is unstable and the like.

Description

Corrugated pipe compensator

Technical Field

The invention relates to the technical field of pipe joints, in particular to a corrugated pipe compensator.

Background

The corrugated pipe compensator is one kind of pipe joint and is one kind of expansion joint made of metal corrugated pipe. The bellows compensator can extend and retract along the axial direction and also allows a small amount of bending, and the working principle of the bellows compensator is mainly to compensate axial displacement, angular displacement, lateral displacement and combined displacement of a pipeline, which are generated by thermal deformation, mechanical deformation and various mechanical vibrations, by utilizing the elastic extension and retraction function of the bellows compensator.

However, the flange joints at the upper end and the lower end of the existing corrugated pipe compensator are usually fixed with the telescopic part and cannot be taken down, the corrugated pipe compensator is difficult to be butted with external pipes with different diameters, the external structure of the existing corrugated pipe compensator is fixed and difficult to adjust, the existing corrugated pipe compensator is difficult to put into a small installation space, the telescopic part is stretched for a long time, the conveyed medium is easy to shake when passing through the telescopic part under the impact of large pressure, the shaking amplitude is large, and the structure is unstable.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: a corrugated pipe compensator comprises two butt joint devices, a telescopic pipe, adjusting type ear seats, a limiting device and a supporting device, wherein the telescopic pipe is connected between the two butt joint devices, the adjusting type ear seats are evenly installed on the butt joint devices along the circumferential direction of the adjusting type ear seats, the limiting device is connected between the adjusting type ear seats which are correspondingly arranged up and down, and the supporting device is sleeved between the limiting devices.

The butt joint device comprises a flange, T-shaped holes and sliding grooves, the T-shaped holes are uniformly formed in the flange, and the sliding grooves are uniformly formed in the edge of the flange along the circumferential direction of the flange.

The flexible pipe include body, two ring pipes, two sealing rings, two locking mechanical system, two ring pipes are installed at the upper and lower both ends of body, the sealing ring material is yielding, consequently compensate the yielding condition of sealing ring material through stable in structure's ring pipe, also can not reduce the leakproofness between sealing ring and the flange simultaneously, install the sealing ring on the ring pipe, install locking mechanical system on the sealing ring, carry out laminating formula locking connection with sealing ring and flange through locking mechanical system.

The regulation formula ear seat include slip ear seat, two link gear and spliced pole, slip ear seat is connected for sliding fit with the sliding tray, the upper end of slip ear seat is provided with the scale mark, personnel can look over the distance that slip ear seat removed according to the scale mark, even have two link gear between slip ear seat and the sliding tray, and be located and be equipped with the spliced pole on the link gear that the upside was arranged, be connected for screw-thread fit between spliced pole and the flange, the cross-section of spliced pole is T type structure.

The linkage mechanism comprises a linkage rod and a sliding plate, the sliding lug seat is connected with the sliding plate through a pin shaft, and the sliding plate is connected with the sliding groove in an up-and-down sliding mode.

The spliced pole rotates to the sliding plate that the drive upside was arranged goes up and down, drives the inside and outside removal of slip ear seat under the drive of gangbar, and gangbar, sliding plate that the downside was arranged play supplementary complex effect, and the inside and outside removal of slip ear seat makes spacing post be in different positions, thereby adapts to the installation space of size.

Stop device include spacing post, a screw thread section of thick bamboo and two locking screw thread sections of thick bamboos are established to two covers, the cover is equipped with spacing post between the slip ear seat that corresponds from top to bottom and arranges, screw thread section of thick bamboo connection is established through screw-thread fit's mode and two covers in the upper and lower both ends of spacing post, the slip ear seat is located adjacent cover and establishes a screw thread section of thick bamboo, between the locking screw thread section of thick bamboo, and be screw-thread fit connection between locking screw thread section of thick bamboo and the spacing post, concrete during operation, after flexible pipe length adjustment, adjust the height that the screw thread section of thick bamboo was established to the cover, thereby the rethread rotates the slip ear seat after the locking screw thread section of thick bamboo and carries out centre gripping location from top to bottom to the regulation.

The supporting device comprises a detachable ring, a locking frame, an embedded column, a positioning threaded cap, a displacement plate and an embedding mechanism, wherein the detachable ring is uniformly provided with the displacement plate along the circumferential direction, the displacement plate is connected with the detachable ring in a sliding fit manner, the displacement plate is provided with an inward-concave semicircular groove, the locking frame is correspondingly arranged on the inward-concave semicircular groove, the embedded column is symmetrically arranged at the upper end of the locking frame, the embedded column is inserted into the displacement plate, the outer end of the embedded column is connected with the positioning threaded cap in a threaded fit manner, the detachable ring is uniformly provided with embedded grooves along the circumferential direction, the embedded grooves and the inward-concave semicircular groove are arranged at intervals, the embedded grooves are provided with the embedding mechanism, when the device works, the two semicircular rings are opened, and the position-adjusted limiting column is embraced by the inward-concave semicircular groove on the displacement plate and the locking frame (because the displacement plate is connected with the detachable ring in a sliding fit manner, the inward-concave semicircular groove on the displacement plate and the locking frame can lock the limiting columns at different positions), twist in embedding post outer end through location screw cap to will pin the position locking of frame and spacing post, carry out the surface through the ring pipe shaft of embedding mechanism to the body and support, thereby support it, avoid the unstable condition of transport that the tensile overlength of body leads to.

The pipe body comprises a telescopic pipe body and a circular ring pipe body, and the telescopic pipe body and the circular ring pipe body are connected at intervals.

The locking mechanism comprises a threaded column and a T-shaped threaded cap, the threaded column is uniformly arranged on the sealing ring along the circumferential direction of the sealing ring, the threaded column is in threaded fit connection with the T-shaped threaded cap, and the T-shaped threaded cap is embedded into the T-shaped hole.

The outer wall of the T-shaped threaded cap is provided with a rubber sleeve, the outer wall of the rubber sleeve is tightly attached to the inner wall of the T-shaped hole, a cross groove is formed in the middle of the T-shaped threaded cap, and a rubber frame of a cross structure is embedded into the cross groove.

Wherein, the lower end of the connecting column is connected with the sliding plate arranged at the upper side through a bearing.

Wherein, the detachable ring constitute by two semicircle ring bodies, the middle part of pinning the frame is semicircular structure, and spacing post cover is established between pinning frame and indent half slot.

The embedding mechanism comprises an embedding plate, an L-shaped frame and an internal spring, the embedding plate is connected with the embedding groove in a sliding fit mode, L-shaped grooves are evenly formed in the detachable ring along the circumferential direction of the detachable ring, and the L-shaped grooves are connected with the L-shaped frame through the internal spring.

The side wall of the embedded plate is evenly provided with a buckling groove, the inner end of the L-shaped frame is of a triangular structure, and the inner end part of the L-shaped frame is positioned in the buckling groove.

(II) advantageous effects

1. The corrugated pipe compensator adopts a detachable connection mode to connect the flange and the telescopic pipe, so that the corrugated pipe compensator is suitable for butt joint of external connecting pipes with different specifications, the position of the limiting column is adjusted through the position of the sliding lug seat, the corrugated pipe compensator can be installed in a smaller installation space through adjusting the position of the limiting column, meanwhile, the telescopic pipe is externally supported through a multi-point external support mode, the support devices are increased or decreased according to the stretching length of the telescopic pipe, the adaptability is strong, and the shaking condition during conveying is avoided;

2. according to the corrugated pipe compensator, the butt joint device and the telescopic pipe are detachably connected, a flange matched with an external connecting pipe is replaced before butt joint, and the sealing ring and the flange are in attaching type locking connection through the locking mechanism, so that different external connecting pipes are successfully butt jointed;

3. according to the corrugated pipe compensator, the sliding lug seats are movably connected, the sliding lug seats are controlled to move through extrusion type linkage matching between the linkage mechanism and the connecting columns, and the sliding lug seats are moved to proper positions under the indication of the scale marks, so that the positions of the limiting columns are adjusted, and the corrugated pipe compensator can be smoothly installed at a specified position with a small space;

4. according to the corrugated pipe compensator, the adjustable limiting column is locked by the movable displacement plate, and the periphery of the pipe body is simultaneously and externally supported by the embedded plate, so that the structural stability of the stretched pipe body is greatly improved, the support device is increased or decreased according to the stretching length of the telescopic pipe, the adaptability is high, and the condition of shaking during conveying is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic view of a three-dimensional structure between the docking device, the extension tube, the adjustable ear mount and the position limiting device of the present invention;

FIG. 3 is a cross-sectional view of the invention of FIG. 1;

FIG. 4 is a cross-sectional view (from above looking down) of the support device of the present invention;

FIG. 5 is an enlarged view of a portion of the invention at X of FIG. 3;

FIG. 6 is an enlarged view of a portion of the invention at Y of FIG. 4;

fig. 7 is an enlarged view of the invention at Z of fig. 4.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the widths of lines or the sizes of components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 7, a corrugated pipe compensator comprises two butt joints 1, a telescopic pipe 2, an adjustable ear seat 3, a limiting device 4 and a supporting device 5, wherein the telescopic pipe 2 is connected between the two butt joints 1, the adjustable ear seat 3 is uniformly installed on the butt joints 1 along the circumferential direction of the butt joints, the limiting device 4 is connected between the adjustable ear seats 3 which are correspondingly arranged up and down, and the supporting device 5 is sleeved between the limiting devices 4.

The butt joint device 1 comprises a flange 11, T-shaped holes 12 and sliding grooves 13, the T-shaped holes 12 are uniformly formed in the flange 11, and the sliding grooves 13 are uniformly formed in the edge of the flange 11 along the circumferential direction of the flange.

Flexible pipe 2 include body 21, two ring pipes 22, two sealing rings 23, two locking mechanical system 24, two ring pipes 22 are installed at the upper and lower both ends of body 21, sealing ring 23 material yielding, consequently, compensate the yielding condition of sealing ring 23 material through stable in structure's ring pipe 22, also can not reduce the leakproofness between sealing ring 23 and the flange 11 simultaneously, install sealing ring 23 on the ring pipe 22, install locking mechanical system 24 on the sealing ring 23, carry out laminating formula locking connection with sealing ring 23 and flange 11 through locking mechanical system 24, body 21 constitute by flexible shaft and ring shaft, be interval connection between flexible shaft and the ring shaft, the flexible shaft plays flexible effect, the ring shaft contacts with embedding plate 561 to increase the external stability of body 21.

The locking mechanism 24 comprises a threaded column 241 and a T-shaped threaded cap 242, the threaded column 241 is uniformly arranged on the sealing ring 23 along the circumferential direction of the sealing ring, the threaded column 241 is in threaded fit connection with the T-shaped threaded cap 242, the T-shaped threaded cap 242 is embedded into the T-shaped hole 12, the outer wall of the T-shaped threaded cap 242 is provided with a rubber sleeve, the outer wall of the rubber sleeve is tightly attached to the inner wall of the T-shaped hole 12, the fitting degree between the T-shaped threaded cap 242 and the T-shaped hole 12 is improved, the middle of the T-shaped threaded cap 242 is provided with a cross groove, a rubber frame with a cross structure is embedded in the cross groove, the design of the cross groove is convenient for a person to hold a screwdriver to screw the T-shaped threaded cap 242 tightly, the rubber frame is arranged to be filled when the cross groove is not used, the surface flatness of the flange 11 is improved, and during specific work, tightening of the threaded stud 241 by the T-shaped threaded cap 242 brings about a form-fitting locking connection of the sealing ring 23 to the flange 11.

Regulation formula ear seat 3 including slip ear seat 31, two link gear 32 and spliced pole 33, slip ear seat 31 is connected for sliding fit with sliding tray 13, the upper end of slip ear seat 31 is provided with the scale mark, the personnel can look over the distance that slip ear seat 31 removed according to the scale mark, even have two link gear 32 between slip ear seat 31 and the sliding tray 13, and be located and be equipped with spliced pole 33 on the link gear 32 that the upside was arranged, be connected for screw-thread fit between spliced pole 33 and the flange 11, the cross-section of spliced pole 33 is T type structure.

The linkage mechanism 32 include gangbar 321, sliding plate 322, even have gangbar 321 through the round pin axle between slip ear seat 31 and the sliding plate 322, sliding plate 322 is connected with sliding tray 13 through gliding mode from top to bottom, the lower extreme of spliced pole 33 with lie in to be connected through the bearing between the slip plate 322 that the upside arranged, avoided sliding plate 322 to take place to rotate, during concrete work, rotate spliced pole 33 to the slip plate 322 that the drive upside arranged goes up and down, drive slip ear seat 31 internal and external movement under the drive of gangbar 321, the gangbar 321 that the downside was arranged, sliding plate 322 play supplementary complex effect, the internal and external movement of slip ear seat 31 makes spacing post 41 be in different positions, thereby the installation space of adaptation size.

Stop device 4 include spacing post 41, a screw thread section of thick bamboo 42 and two locking screw thread sections of thick bamboo 43 are established to two covers, the cover is equipped with spacing post 41 between the slip ear seat 31 that the correspondence was arranged from top to bottom, the upper and lower both ends of spacing post 41 are established screw thread section of thick bamboo 42 through screw-thread fit's mode and two covers and are connected, slip ear seat 31 is located adjacent cover and is established screw thread section of thick bamboo 42, between the locking screw thread section of thick bamboo 43, and be connected for screw-thread fit between locking screw thread section of thick bamboo 43 and the spacing post 41, concrete during operation, after flexible pipe 2 length adjustment, adjust the height that the screw thread section of thick bamboo 42 was established to the cover, thereby the rethread rotates locking screw thread section of thick bamboo 43 and carries out upper and lower centre gripping location to the slip ear seat 31 after adjusting.

The supporting device 5 comprises a detachable ring 51, a locking frame 52, an embedded column 53, a positioning threaded cap 54, a displacement plate 55 and an embedding mechanism 56, the detachable ring 51 is uniformly provided with the displacement plate 55 along the circumferential direction thereof, the displacement plate 55 is connected with the detachable ring 51 in a sliding fit manner, the displacement plate 55 is provided with an inner concave semicircular groove, the inner concave semicircular groove is correspondingly provided with the locking frame 52, the embedded columns 53 are symmetrically arranged at the upper end of the locking frame 52, the embedded column 53 is inserted into the displacement plate 55, the outer end of the embedded column 53 is connected with the positioning threaded cap 54 in a threaded fit manner, the detachable ring 51 is uniformly provided with embedded grooves along the circumferential direction thereof, the embedded grooves and the inner concave semicircular grooves are arranged at intervals, the embedding mechanism 56 is arranged on the embedded grooves, the detachable ring 51 consists of two semicircular rings, the detachable design ensures that the supporting device 5 is increased or decreased at any time on the limiting column 41, thereby carrying out adaptive external support on the telescopic pipes 2 which are stretched to different lengths, the middle part that pins frame 52 is the semicircle structure, and spacing post 41 cover is established and is being pinned between frame 52 and the indent half slot, concrete during operation, open two semicircular ring bodies, through the indent half slot on the displacement board 55 with pin frame 52 and embrace spacing post 41 after the position control (because be connected for sliding fit between displacement board 55 and the detachable ring 51, consequently, indent half slot on the displacement board 55 with pin frame 52 can lock the spacing post 41 of different positions), twist in embedding post 53 outer end through location screw cap 54, thereby will pin the position locking of frame 52 and spacing post 41, carry out the surface through embedding mechanism 56 to the ring pipe shaft of body 21 and support, thereby support it, the unstable condition of the transport that has avoided the tensile overlength of body 21 to lead to.

The embedding mechanism 56 comprises an embedding plate 561, an L-shaped frame 562 and an internal spring 563, the embedding plate 561 is connected with an embedding groove in a sliding fit manner, an L-shaped groove is uniformly formed in the detachable ring 51 along the circumferential direction of the detachable ring, the L-shaped groove is connected with the L-shaped frame 562 through the internal spring 563, the internal spring 563 plays a role in resetting, a buckling groove is uniformly formed in the side wall of the embedding plate 561, the inner end of the L-shaped frame 562 is of a triangular structure, the inner end portion of the L-shaped frame 562 is located in the buckling groove, in specific work, the embedding plate 561 is pressed inwards until the embedding plate 561 is contacted with the outer surface of the circular ring pipe body, the position of the embedding plate 561 is locked through the buckling of the L-shaped frame 562 and the buckling groove, the triangular structure at the inner end of the L-shaped frame 562 ensures that the embedding plate 561 cannot move outwards in the internal pressure process, when the L-shaped frame 562 needs to move outwards, the L-shaped frame 562 is pulled reversely to enable the L-shaped frame to be separated from the buckling groove, at this time, the L-shaped frame 562 is unlocked from the insertion plate 561, and the insertion plate 561 can be pulled outward to be reset.

The installation process comprises the following steps:

installation: the sealing ring 23 and the flange 11 are in fit type locking connection through a locking mechanism 24;

the position of the limit column 41 is adjusted according to the size of the current installation space: the connecting column 33 is rotated, so that the sliding plate 322 arranged on the upper side is driven to lift, the sliding lug seat 31 is driven to move inside and outside under the driving of the linkage rod 321, and the limiting column 41 synchronously moves inside and outside;

butt joint: the two flanges 11 are butted with the two corresponding external pipelines through the connecting piece, the telescopic pipes 2 are increased and decreased along with the connecting piece, and the distance between the two flanges 11 is fixed by the limiting device 4;

external support: the displacement plate 55 is locked with the adjusted limit post 41 again, and the embedded plate 561 is pressed in until the embedded plate 561 contacts with the outer surface of the circular tube body, thereby carrying out multi-point external support on the extension tube 2.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a corrugated pipe compensator, includes two interfacing apparatus (1), flexible pipe (2), adjusts formula ear seat (3), stop device (4) and strutting arrangement (5), its characterized in that: the telescopic pipe (2) is connected between the two butt joint devices (1), the adjustable ear seats (3) are uniformly arranged on the butt joint devices (1) along the circumferential direction of the butt joint devices, the limiting devices (4) are connected between the adjustable ear seats (3) which are correspondingly arranged up and down, and the supporting devices (5) are sleeved between the limiting devices (4);

the butt joint device (1) comprises a flange (11), T-shaped holes (12) and sliding grooves (13), the flange (11) is uniformly provided with the T-shaped holes (12), and the edge of the flange (11) is uniformly provided with the sliding grooves (13) along the circumferential direction of the flange;

the telescopic pipe (2) comprises a pipe body (21), two annular pipes (22), two sealing rings (23) and two locking mechanisms (24), wherein the two annular pipes (22) are installed at the upper end and the lower end of the pipe body (21), the sealing rings (23) are installed on the annular pipes (22), and the locking mechanisms (24) are installed on the sealing rings (23);

the adjustable ear seat (3) comprises a sliding ear seat (31), two linkage mechanisms (32) and a connecting column (33), the sliding ear seat (31) is connected with a sliding groove (13) in a sliding fit manner, the upper end of the sliding ear seat (31) is provided with scale marks, the two linkage mechanisms (32) are connected between the sliding ear seat (31) and the sliding groove (13), the connecting column (33) is arranged on the linkage mechanism (32) arranged on the upper side, the connecting column (33) is in threaded fit connection with a flange (11), and the section of the connecting column (33) is of a T-shaped structure;

the linkage mechanism (32) comprises a linkage rod (321) and a sliding plate (322), the sliding lug seat (31) and the sliding plate (322) are connected with the linkage rod (321) through a pin shaft, and the sliding plate (322) is connected with the sliding groove (13) in an up-and-down sliding mode;

the limiting device (4) comprises a limiting column (41), two sleeved threaded cylinders (42) and two locking threaded cylinders (43), the limiting column (41) is sleeved between sliding lug seats (31) which are correspondingly arranged up and down, the upper end and the lower end of each limiting column (41) are connected with the two sleeved threaded cylinders (42) in a thread fit mode, the sliding lug seats (31) are located between the adjacent sleeved threaded cylinders (42) and the adjacent locking threaded cylinders (43), and the locking threaded cylinders (43) are in thread fit connection with the limiting columns (41);

strutting arrangement (5) including removable ring (51), lock frame (52), embedding post (53), location screw cap (54), displacement plate (55) and embedding mechanism (56), removable ring (51) are gone up and evenly are equipped with displacement plate (55) along its circumference, displacement plate (55) are connected for sliding fit with removable ring (51), the interior recess half slot has been seted up on displacement plate (55), it locks frame (52) to correspond to be provided with on the interior recess half slot, it installs embedding post (53) to lock frame (52) upper end symmetry, embedding post (53) insert on displacement plate (55), and the outer end and the location screw cap (54) of embedding post (53) are connected for screw-thread fit, the embedded groove has evenly been seted up along its circumference on removable ring (51), and embedded groove and interior recess half slot interval arrangement, be equipped with embedding mechanism (56) on the embedded groove.

2. A bellow compensator according to claim 1, wherein: the pipe body (21) consists of a telescopic pipe body and a circular pipe body, and the telescopic pipe body and the circular pipe body are connected at intervals.

3. A bellow compensator according to claim 1, wherein: locking mechanical system (24) including screw thread post (241), T type screw cap (242), evenly install screw thread post (241) along its circumference on sealing ring (23), screw thread post (241) and T type screw cap (242) are screw-thread fit connection, T type screw cap (242) are embedded into in T type hole (12).

4. A bellow compensator according to claim 3, characterised in that: the outer wall of the T-shaped threaded cap (242) is provided with a rubber sleeve, the outer wall of the rubber sleeve is tightly attached to the inner wall of the T-shaped hole (12), the middle of the T-shaped threaded cap (242) is provided with a cross groove, and a cross-structure rubber frame is embedded into the cross groove.

5. A bellow compensator according to claim 1, wherein: the lower end of the connecting column (33) is connected with a sliding plate (322) arranged at the upper side through a bearing.

6. A bellow compensator according to claim 1, wherein: the detachable ring (51) is composed of two semi-circular ring bodies, the middle part of the locking frame (52) is of a semicircular structure, and the limiting column (41) is sleeved between the locking frame (52) and the concave semicircular groove.

7. A bellow compensator according to claim 1, wherein: embedding mechanism (56) including embedded plate (561), L type frame (562) and innerspring (563), embedded plate (561) are connected for sliding fit with the embedded groove, L type groove has evenly been seted up along its circumference on detachable ring (51), L type inslot is connected with L type frame (562) through innerspring (563).

8. A bellow compensator according to claim 7, characterised in that: the side wall of the embedded plate (561) is uniformly provided with a buckling groove, the inner end of the L-shaped frame (562) is of a triangular structure, and the inner end part of the L-shaped frame (562) is positioned in the buckling groove.