CN220581973U - Detachable expansion joint compensator device - Google Patents

Abstract

The utility model discloses a detachable expansion joint compensator device, which comprises a corrugated pipe, a first flange plate, a second flange plate and a protective cover, wherein the first flange plate and the second flange plate are respectively arranged at two ends of the corrugated pipe, and the protective cover is sleeved outside the corrugated pipe and is used for protecting the corrugated pipe, and is characterized in that: the protection cover comprises a first cover body connected with the first flange plate and a second cover body connected with the second flange plate, wherein the diameter of the first cover body is larger than that of the second cover body, the protection cover through the arrangement comprises a first cover body and a second cover body, the first cover body comprises two split-type first semicircular cover bodies, the second cover body comprises two split-type second semicircular cover bodies, and the two first semicircular cover bodies and the two second semicircular cover bodies are all detachably connected through connecting pieces, so that the protection cover is convenient to install and detach, the protection cover is convenient to replace, or the corrugated pipe is maintained and maintained later.

Description

Detachable expansion joint compensator device

Technical Field

The utility model relates to the technical field of expansion joint compensators, in particular to a detachable expansion joint compensator device.

Background

Expansion joints are a flexible structure provided on the vessel shell or pipe to compensate for additional stresses caused by temperature differences and mechanical vibrations. The expansion joint working main body can absorb the dimensional change of pipelines, ducts, containers and the like caused by expansion caused by heat and contraction caused by cold and the like by utilizing the effective expansion deformation of the expansion joint working main body, or compensate the axial, transverse and angular displacement of the pipelines, ducts, containers and the like, and can also be used for noise reduction and vibration reduction. Has been widely used in the fields of environmental protection, chemical industry, metallurgy, etc. In the environment protection field, in order to prevent the pipeline from deforming or damaging due to thermal elongation or temperature stress when the heating pipeline is heated, an expansion joint needs to be arranged on the pipeline to compensate the thermal elongation of the pipeline, so that the stress of the pipeline wall and the acting force acting on the valve element or the support structure are reduced.

In the prior art, the expansion joint is also used in pipelines of some industrial plants in northwest areas, because the wind and sand in northwest areas is more, when the wind and sand blows on the expansion joint, the corrugated pipe on the expansion joint is damaged, and the service life of the expansion joint can be influenced by glowing sunlight shining on the corrugated pipe, so that the protection cover is arranged outside the expansion joint to protect the expansion joint.

Through searching, chinese patent application number: 202120172737.7 discloses a wear-resisting expansion joint, including two flanges that the symmetry set up, two the adjacent one end intercommunication of flange has the bellows, is located the left the one end of flange is provided with first drum, the movable slot has been seted up to the one end of first drum, a plurality of first slots have been seted up on the surface of first drum, this kind of wear-resisting expansion joint through setting up tension spring, strip, inserted block, vertical pole, screw hole cooperation screw bolt, can make the circle cover shift position on the flange, will make vertical pole shift position when circle cover shift position, will drive the inserted block and inject in first slot and the second slot when vertical pole shift position down, when circle cover is removed from the flange, the inserted block will be followed in first slot and the second slot and be shifted out, the user of being convenient for installs and dismantles first drum and second drum on the flange.

Although the protection cover formed by the first cylinder and the second cylinder in the application can play the purpose of protecting the expansion joint, the sand and sunlight are prevented from directly acting on the corrugated pipe, the service life of the corrugated pipe is prolonged, the defects are overcome, the first cylinder and the second cylinder in the application are integrally cylindrical, and even if the first cylinder and the second cylinder are detached from the flange plate, the first cylinder and the second cylinder can be blocked by the flange plate, so that the expansion joint cannot be taken down, and the protection cover is not good in installation and detachment effects.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the problem that a first cylinder and a second cylinder can be blocked by a flange plate in the prior art and cannot be taken down from an expansion joint, the utility model designs a detachable expansion joint compensator device.

2. Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a can dismantle expansion joint compensator device, includes bellows, first ring flange, second ring flange and safety cover, first ring flange and second ring flange set up respectively in the both ends of bellows, the bellows outside is located to the safety cover for protection bellows, its characterized in that: the protection cover comprises a first cover body connected with the first flange plate and a second cover body connected with the second flange plate, the diameter of the first cover body is larger than that of the second cover body, the first cover body and the second cover body relatively slide, the first cover body consists of two first semicircular cover bodies, the second cover body consists of two second semicircular cover bodies, and the first semicircular cover bodies and the second semicircular cover bodies are detachably connected through connecting pieces.

Preferably, the connecting piece is including installing in one of them first half-round cover body and the second half-round cover body both ends outside first otic placode and install in another the second otic placode in the first half-round cover body and the second half-round cover body both ends outside, the opposite end of first otic placode and second otic placode is provided with holding tank and mounting groove respectively, transversely install the guide bar in the holding tank, two movable blocks have been cup jointed to the activity on the guide bar, two be provided with the spring between the movable block, the spring housing is located on the guide bar, the movable block bottom extends to the mounting groove in and the outside is provided with the stopper, the both sides of the inside bottom of mounting groove all are equipped with the spacing groove with stopper joint complex.

Preferably, a long strip through groove communicated with the accommodating groove is formed in the outer side of the first lug plate, and a pressing rod penetrating through the long strip through groove is mounted on the moving block.

Preferably, a first connecting plate is arranged at one end, close to the first flange plate, of the first semicircular cover body, a first clamping block is arranged at the outer side of the first connecting plate, and a first clamping groove matched with the first clamping block in a clamping mode is formed in the inner side of the first flange plate.

Preferably, one end of the second semicircular cover body, which is close to the second flange plate, is provided with a second connecting plate, a second clamping block is arranged on the outer side of the second connecting plate, and a second clamping groove matched with the second clamping block in a clamping manner is formed in the inner side of the second flange plate.

Preferably, the inner side of the first semicircular cover body, which is close to one end of the second semicircular cover body, is provided with an inner edge annular plate, and the outer side of the end of the second semicircular cover body, which is close to the first semicircular cover body, is provided with an outer edge annular plate.

3. Advantageous effects

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

according to the detachable expansion joint compensator device, the protection cover is arranged to be composed of the first cover body and the second cover body, the first cover body is composed of the two split first semicircular cover bodies, the second cover body is composed of the two split second semicircular cover bodies, and the two first semicircular cover bodies and the two second semicircular cover bodies are detachably connected through the connecting piece, so that the protection cover is convenient to install and detach, the protection cover is convenient to replace, or the corrugated pipe is convenient to maintain and repair in the later period.

Drawings

FIG. 1 is a schematic view of the overall construction of a removable expansion joint compensator apparatus of the present utility model;

FIG. 2 is a cross-sectional view of a removable expansion joint compensator device of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the area A in FIG. 1;

fig. 4 is a cross-sectional view of a connector of a removable expansion joint compensator device of the present utility model.

In the figure: 1. a bellows; 2. a first flange; 21. a first clamping groove; 3. a second flange; 31. a second clamping groove; 4. a protective cover; 41. a first half-round cover; 411. an inner edge ring plate; 412. a first connection plate; 413. a first clamping block; 42. a second semi-circular cap; 421. an outer edge ring plate; 422. a second connecting plate; 423. a second clamping block; 5. a connecting piece; 51. a first ear plate; 511. a receiving groove; 5111. a strip through groove; 512. a guide rod; 513. a moving block; 5131. a limiting block; 5132. pressing a pressing rod; 514. a spring; 52. a second ear plate; 521. a mounting groove; 522. and a limit groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples:

referring to fig. 1-4, the embodiment of the utility model provides a detachable expansion joint compensator device, the expansion joint compensator device comprises a corrugated pipe 1, a first flange plate 2, a second flange plate 3 and a protecting cover 4, the first flange plate 2 and the second flange plate 3 are respectively arranged at two ends of the corrugated pipe 1, the first flange plate 2 and the second flange plate 3 are welded with the corrugated pipe 1, the protecting cover 4 is sleeved outside the corrugated pipe 1, the protecting cover 4 can play a role of protecting an expansion joint, wind sand and sunlight are prevented from directly acting on the corrugated pipe, the service life of the corrugated pipe is prolonged, the protecting cover 4 comprises a first cover body connected with the first flange plate 2 and a second cover body connected with the second flange plate 3, the diameter of the first cover body is larger than that of the second cover body, the first cover body and the second cover body are relatively slid, the first cover body is matched with the second cover body to enable the corrugated pipe to transversely move in position, the first cover body is prevented from being additionally provided with a limiting rod, the first cover body is composed of two first semicircular cover bodies 41, the second cover bodies are prevented from directly acting on the corrugated pipe, the second cover bodies are prevented from being connected with the second semicircular cover bodies 42, the second cover bodies are convenient to detach through the two semicircular cover bodies 5, or the two semicircular cover bodies are connected with the two semicircular cover bodies 4 through the two compensating devices 5, and the expansion joint compensator device is convenient to detach, and the expansion joint compensator device is arranged between two 5 and can be conveniently installed through the two semicircular connector 4, and the two connector is convenient to be installed.

It should be noted that, as shown in fig. 1, fig. 2 and fig. 3, the connecting piece 5 includes a first ear plate 51 and a second ear plate 52, the first ear plate 51 is installed at the outer sides of two ends of one of the first half-round cover 41 and the second half-round cover 42, the second ear plate 52 is installed at the outer sides of two ends of the other first half-round cover 41 and the second half-round cover 42, the positions of the first ear plate 51 and the second ear plate 52 are correspondingly matched, the opposite ends of the first ear plate 51 and the second ear plate 52 are respectively provided with a containing groove 511 and a mounting groove 521, a guide rod 512 is transversely installed in the containing groove 511, two moving blocks 513 are movably sleeved on the guide rod 512, a spring 514 is arranged between the two moving blocks 513, the spring 514 is sleeved on the guide rod 512, the bottom ends of the moving blocks 513 extend into the mounting groove 521, and the outer sides of the inner bottom ends of the mounting groove 521 are respectively provided with a limiting groove 522 which is in clamping fit with the limiting block 5131, wherein the limiting block 5131 is in a hemispherical structure, the width of the mounting groove 521 gradually decreases from the groove bottom to the groove bottom, so that the two inclined surfaces 521 can be formed on the two inclined surfaces 521.

The first lug plate 51 is provided with a long through groove 5111 communicating with the accommodating groove 511, and the moving block 513 is provided with a pressing rod 5132 penetrating through the long through groove 5111.

As shown in fig. 1, 2 and 3, the attachment means 5 are as follows: the first ear plate 51 and the second ear plate 52 are contacted and closed, at this time, the accommodating groove 511 and the mounting groove 521 are positioned at corresponding positions, the moving block 513 slides towards the bottom of the mounting groove 521, the two limiting blocks 5131 and 5131 slide along the side wall of the mounting groove 521, the two moving blocks 513 move towards each other, at this time, the spring 514 is compressed, when the moving block 513 reaches the bottom of the mounting groove 521, the limiting blocks 5131 are pushed into the clamping groove 131 under the action of the elastic restoring force of the spring 514, and the clamping blocks 521 are clamped with the limiting grooves 522, so that the first ear plate 51 and the second ear plate 52 are connected and fixed;

the connection piece 5 is detached in the following manner: the two pressing rods 5132 are moved in the direction of approaching each other in the long through groove 5111, at this time, the pressing rods 5132 drive the two moving blocks 513 to approach each other, so that the limiting block 5131 exits the clamping groove 131, and then the first ear plate 51 and the second ear plate 52 can be separated;

when the protective cover 4 is installed, firstly, the two second half-round cover bodies 42 are folded, the two second half-round cover bodies 42 are connected to form a second cover body through the installation mode of the connecting piece 5, then, the two first half-round cover bodies 41 are folded, and the two first half-round cover bodies 41 are connected to form a first cover body through the installation mode of the connecting piece 5, and the attention is paid to the fact that one end of the first cover body needs to be placed outside the second cover body when the first cover body is installed; when the protective cover 4 is detached, the two first semicircular cover bodies 41 are detached and separated through the detachment mode of the connecting piece 5, and then the two second semicircular cover bodies 42 are detached and separated through the detachment mode of the connecting piece 5, so that the integral protective cover 4 is convenient to install and detach, and convenient to use and convenient to replace the protective cover 4.

As shown in fig. 2, one end of the second semicircular cover body 42, which is close to the second flange plate 3, is provided with a second connection plate 422, the second connection plate 422 and the second semicircular cover body 42 are integrally formed, the outer side of the second connection plate 422 is provided with a second clamping block 423, the inner side of the second flange plate 3 is provided with a second clamping groove 31 matched with the second clamping block 423 in a clamping manner, when the second semicircular cover body 42 is installed, the second connection plate 422 and the second flange plate 3 are connected by clamping the second clamping block 423 into the second clamping block 423, one end of the first semicircular cover body 41, which is close to the first flange plate 2, is provided with a first connection plate 412, the first connection plate 412 and the first flange plate 2 are integrally formed, a first clamping block 413 is arranged on the outer side of the first connection plate 412, the inner side of the first flange plate 2 is provided with a first clamping groove 21 matched with the first clamping block 413 in a clamping manner, and when the first semicircular cover body 41 is installed, the first connection plate 412 and the first flange plate 2 are connected by clamping the first clamping block 413 into the first clamping groove 21, so that the connection stability of the protection cover 4 and the flange plate 2 is improved.

As shown in fig. 2, in this embodiment, an inner edge ring plate 411 is disposed on the inner side of the first half-round cover 41 near one end of the second half-round cover 42, the inner edge ring plate 411 and the first half-round cover 41 are integrally formed, a first dynamic seal is disposed between the inner edge ring plate 411 and the outer wall of the second half-round cover 42, an outer edge ring plate 421 is disposed on the outer side of the second half-round cover 42 near one end of the first half-round cover 41, the outer edge ring plate 421 and the second half-round cover 42 are integrally formed, a second dynamic seal is disposed between the outer edge ring plate 421 and the outer wall of the first half-round cover 41, a gap is avoided between the first cover and the second cover, and tightness of the joint is ensured.

In summary, the expansion joint compensator device is composed of the first cover body and the second cover body through the arranged protective cover 4, the first cover body is composed of the two split first semicircular cover bodies 41, the second cover body is composed of the two split second semicircular cover bodies 42, and the two first semicircular cover bodies 41 and the two second semicircular cover bodies are detachably connected through the connecting piece 5, so that the protective cover 4 is convenient to install and detach, the protective cover 4 is convenient to replace, or the corrugated pipe is maintained and maintained later.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a can dismantle expansion joint compensator device, includes bellows (1), first ring flange (2), second ring flange (3) and safety cover (4), first ring flange (2) and second ring flange (3) set up respectively in the both ends of bellows (1), the bellows (1) outside is located to safety cover (4) cover for protection bellows (1), its characterized in that: the protection cover (4) comprises a first cover body connected with the first flange plate (2) and a second cover body connected with the second flange plate (3), the diameter of the first cover body is larger than that of the second cover body, the first cover body and the second cover body relatively slide, the first cover body consists of two first semicircular cover bodies (41), the second cover body consists of two second semicircular cover bodies (42), and the two first semicircular cover bodies (41) and the two second semicircular cover bodies (42) are detachably connected through connecting pieces (5).

2. A removable expansion joint compensator device according to claim 1, wherein: the connecting piece (5) including install in one of them first half cover body (41) and second half cover body (42) both ends outside first otic placode (51) and install in another first half cover body (41) and second half cover body (42) both ends outside second otic placode (52), the opposite ends of first otic placode (51) and second otic placode (52) are provided with holding tank (511) and mounting groove (521) respectively, transversely install guide bar (512) in holding tank (511), two movable blocks (513) have been cup jointed on guide bar (512), two be provided with spring (514) between movable blocks (513), spring (514) cover is located on guide bar (512), movable block (513) bottom extends to in mounting groove (521) and the outside is provided with stopper (5131), both sides of inside bottom of mounting groove (521) all are equipped with spacing groove (522) with stopper (5131) joint complex.

3. A removable expansion joint compensator device according to claim 2, wherein: a long through groove (5111) communicated with the accommodating groove (511) is formed in the outer side of the first lug plate (51), and a pressing rod (5132) penetrating through the long through groove (5111) is mounted on the moving block (513).

4. A removable expansion joint compensator device according to claim 1, wherein: one end of the first semicircular cover body (41) close to the first flange plate (2) is provided with a first connecting plate (412), the outer side of the first connecting plate (412) is provided with a first clamping block (413), and the inner side of the first flange plate (2) is provided with a first clamping groove (21) which is matched with the first clamping block (413) in a clamping mode.

5. A removable expansion joint compensator device according to claim 1, wherein: one end of the second semicircular cover body (42) close to the second flange plate (3) is provided with a second connecting plate (422), the outer side of the second connecting plate (422) is provided with a second clamping block (423), and the inner side of the second flange plate (3) is provided with a second clamping groove (31) which is matched with the second clamping block (423) in a clamping way.

6. A removable expansion joint compensator device according to claim 1, wherein: an inner edge annular plate (411) is arranged on the inner side, close to one end of the second semicircular cover body (42), of the first semicircular cover body (41), and an outer edge annular plate (421) is arranged on the outer side, close to one end of the first semicircular cover body (41), of the second semicircular cover body (42).