Steam pipeline compensation elbow

Abstract

The utility model provides a steam pipeline compensation elbow, which relates to the technical field of heat distribution pipelines and comprises two positioning sleeves, each positioning sleeve comprises a connecting flange, the connecting flange is arranged above the positioning sleeves, a sealing ring is mounted in the middle of the connecting flange, and the two positioning sleeves are arranged in parallel. A spiral compensation pipe is installed between the two positioning sleeves and comprises a threaded connection sleeve. The positioning sleeve, the connecting flange, the spiral compensation pipe and the threaded connecting sleeve are arranged and matched with one another to jointly form the compensation elbow of the steam pipeline, the positioning plate is arranged on the basis of the connecting flange, the effect of auxiliary positioning of the butt joint position of the connecting flange is achieved through the positioning plate, and butt joint of the connecting flange and the pipeline and installation of bolts are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal pipelines, in particular to a compensating elbow for a steam pipeline. Background Art

[0002] As we all know, steam pipes are subject to heat collision during use. Due to the thermal expansion and contraction characteristics of the pipe material itself, the pipe length will show a significant thermal expansion during this heating process. Currently, compensating elbows are installed at the docking positions of steam pipes. However, the current compensating elbows still have the following shortcomings during transportation and use:

[0003] When the compensation elbow and the pipeline are connected, the staff needs to constantly adjust the position of the bolt mounting hole, which increases the labor during the installation of the compensation elbow. In addition, the compensation pipe and the connecting flange are directly assembled by interference fit, which leads to the defects of laborious disassembly and assembly of the compensation pipe and the connecting flange and high replacement cost. In addition, the spiral compensation pipe is easily subjected to lateral torsional force during installation and transportation, which can easily lead to dislocation and damage of the spiral compensation pipe. Utility Model Content

[0004] The utility model discloses a steam pipe compensation elbow. The spiral compensation pipe can expand and deform when heated to achieve the effect of steam pipe compensation. After the first stabilizing plate and the second stabilizing plate are assembled, the spiral compensation pipe can be laterally stabilized. The positioning sleeve and the connecting flange are matched with the spiral compensation pipe to bend.

[0005] According to a first aspect of the present disclosure, a steam pipe compensating elbow is provided, which specifically includes: a positioning sleeve, the positioning sleeve includes a connecting flange, a connecting flange is provided above the positioning sleeve, a sealing ring is installed in the middle of the connecting flange, there are two positioning sleeves, a spiral compensating pipe is installed between the two positioning sleeves, the spiral compensating pipe includes a threaded connecting sleeve, there are two threaded connecting sleeves, a first stabilizing plate and a second stabilizing plate are respectively installed on the outer sides of the threaded connecting sleeves, a connecting ring is provided on one side of the first stabilizing plate, the first stabilizing plate, the second stabilizing plate and the connecting ring cooperate with each other to form a group of stabilizing structures, and a locking bolt is installed in the middle of the connecting ring.

[0006] Furthermore, a positioning groove is opened on the inner side surface above the connecting flange. The positioning groove is a circular ring structure. The sealing ring is installed in the inner position of the positioning groove. A group of compensation grooves are opened on the inner side surface and the upper position of the sealing ring respectively.

[0007] Furthermore, the connecting flange includes a positioning plate and a stabilizing sleeve. A positioning plate is provided on the outer side of the connecting flange, and the positioning plate is an arc structure.

[0008] Furthermore, two symmetrically distributed stabilizing sleeves are provided at the bottom of the connecting flange, a through hole connected to the stabilizing sleeve is opened on both sides of the connecting flange, a threaded hole is opened on both sides of the threaded connecting sleeve, and a group of stabilizing bolts are installed between the stabilizing sleeve and the threaded hole.

[0009] Furthermore, a rotating hole is respectively opened on one side of the first stabilizing plate and the second stabilizing plate, an open groove is opened on one side of the rotating hole, and a stabilizing block is respectively provided on both sides of the threaded connection sleeve. The stabilizing block is a cylindrical structure, and an annular groove is opened on one side of the stabilizing block, and the rotating hole and the annular groove are engaged with each other.

[0010] Furthermore, a group of stabilizing rings are respectively provided on the inner side surfaces of both sides of the spiral compensation tube, a group of stabilizing grooves are opened on the outer side surface of the threaded connection sleeve, the stabilizing rings are engaged with the stabilizing grooves, and an external thread is opened at the bottom of the positioning sleeve. The bottom of the positioning sleeve is installed inside the threaded connection sleeve in conjunction with the external thread.

[0011] Furthermore, a waist-shaped hole is provided on one side of the second stabilizing plate, and the connecting ring is installed inside the waist-shaped hole.

[0012] Furthermore, an internal thread is provided on the inner side surface of the connecting ring, a locking bolt is threadedly connected to the internal thread, and a nut is installed on the outer side of the locking bolt.

[0013] The utility model provides a steam pipeline compensating elbow, which has the following beneficial effects:

[0014] A positioning sleeve, a connecting flange, a spiral compensation pipe, and a threaded connecting sleeve are provided to cooperate with each other to form a compensating elbow of the steam pipeline. A positioning plate is provided on the basis of the connecting flange to achieve the effect of auxiliary positioning of the connecting flange docking position, which facilitates the docking of the connecting flange and the pipeline and the installation of bolts;

[0015] The setting of the threaded connection sleeve makes it easy to assemble and separate the positioning sleeve and the spiral compensation tube. With the cooperation of the thread, the positioning sleeve and the spiral compensation tube are also firmly connected.

[0016] A first stabilizing plate, a second stabilizing plate and a connecting ring are set on the basis of the spiral compensation tube. With the cooperation of the connecting ring, the first stabilizing plate and the second stabilizing plate can achieve the effect of hinged positioning. The first stabilizing plate and the second stabilizing plate can achieve the effect of lateral stabilization of the spiral compensation tube. The setting of the first stabilizing plate and the second stabilizing plate makes the connecting flange and the spiral compensation tube on the same horizontal line, avoiding the phenomenon of lateral deformation of the spiral compensation tube due to force.

[0017] Locking bolts are provided on the basis of the first stabilizing plate and the second stabilizing plate, and the locking bolts lock the position between the first stabilizing plate and the second stabilizing plate to facilitate overall stable transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0019] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached figure:

[0021] Figure 1 The figure shows the shaft side structure diagram of the compensating elbow after assembly of the present application;

[0022] Figure 2 Shows the application Figure 1 Schematic diagram of the axle-side structure after the stable structure is removed;

[0023] Figure 3 Shows the application Figure 2 A schematic diagram of the axle-side structure from an upward perspective;

[0024] Figure 4 An axial schematic diagram of a cross-sectional structure of a spiral compensating tube and a threaded connection sleeve of the present application is shown;

[0025] Figure 5 An axial schematic diagram of a half-cut structure of a compensating elbow of the present application is shown;

[0026] Figure 6 Shows the application Figure 5 Schematic diagram of the main structure;

[0027] Figure 7 The figure shows the axial side schematic diagram of the split structure of the compensating elbow of the present application;

[0028] Figure 8 An axial schematic diagram of the stabilizing structure, threaded connection sleeve, and locking bolt split structure of the present application is shown.

[0029] Reference Signs List

[0030] 1. Positioning sleeve; 101. Connecting flange; 10101. Positioning plate; 10102. Stabilizing sleeve;

[0031] 2. Sealing ring;

[0032] 3. Stable structure; 301. First stabilizing plate; 302. Second stabilizing plate; 303. Connecting ring;

[0033] 4. Spiral compensation pipe; 401. Threaded connection sleeve;

[0034] 5. Tighten the bolts. DETAILED DESCRIPTION

[0035] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Example 1: Please refer to Figures 1 to 8 :

[0037] The utility model proposes a steam pipe compensation elbow, comprising: a positioning sleeve 1, the positioning sleeve 1 includes a connecting flange 101, a connecting flange 101 is provided at the upper position of the positioning sleeve 1, the connecting flange 101 includes a positioning plate 10101 and a fixing sleeve 10102, a positioning plate 10101 is provided on the outer side of the connecting flange 101, the positioning plate 10101 is an arc structure, the positioning plate 10101 realizes the auxiliary positioning effect of the connecting flange 101 docking position, convenient for docking the connecting flange 101 and the pipeline and the installation of bolts, two symmetrically distributed fixing sleeves 10102 are provided at the bottom position of the connecting flange 101, a through hole connected to the fixing sleeve 10102 is respectively provided on both sides of the connecting flange 101, a threaded hole is respectively provided on both sides of the threaded connection sleeve 401, a group of fixing bolts are installed between the fixing sleeve 10102 and the threaded hole, the fixing sleeve 10102 realizes the effect of fixing the bolt positioning and hiding, and realizes the effect of circumferential locking of the threaded connection sleeve 401 after the fixing bolts are installed;

[0038] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown,

[0039] A sealing ring 2 is installed in the middle position of the connecting flange 101, and a positioning groove is provided on the inner side surface at the upper position of the connecting flange 101. The positioning groove is a circular ring structure, and the sealing ring 2 is installed in the inner position of the positioning groove. The positioning groove ensures that the installation position of the sealing ring 2 is stable. A set of compensation grooves are respectively provided on the inner side surface and the upper position of the sealing ring 2. The sealing ring 2 cooperates with the sealing groove above to effectively seal the docking position of the connecting flange 101.

[0040] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown,

[0041] There are two positioning sleeves 1, and a spiral compensation tube 4 is installed between the two positioning sleeves 1. The spiral compensation tube 4 includes a threaded connection sleeve 401. There are two threaded connection sleeves 401. A group of stabilizing rings are respectively provided on the inner side surfaces of both sides of the spiral compensation tube 4, and a group of stabilizing grooves are provided on the outer side surfaces of the threaded connection sleeve 401. The stabilizing rings and the stabilizing grooves are engaged. With the cooperation of the stabilizing rings and the stabilizing grooves, the spiral compensation tube 4 and the threaded connection sleeve 401 are firmly connected. An external thread is provided at the bottom of the positioning sleeve 1. The bottom of the positioning sleeve 1 is installed in the interior of the threaded connection sleeve 401 with the external thread. With the cooperation of the threads, the positioning sleeve 1 and the threaded connection sleeve 401 are conveniently assembled and separated. With the cooperation of the threads, the positioning sleeve 1 and the threaded connection sleeve 401 are firmly connected. The material of the threaded connection sleeve 401 is selected from the Chinese stainless steel material in the existing technology.

[0042] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown,

[0043] A first stabilizing plate 301 and a second stabilizing plate 302 are respectively installed on the outer side of the threaded connection sleeve 401, and a connecting ring 303 is provided on one side of the first stabilizing plate 301. The first stabilizing plate 301, the second stabilizing plate 302 and the connecting ring 303 cooperate with each other to form a group of stabilizing structures 3. A rotating hole is respectively provided on one side of the first stabilizing plate 301 and the second stabilizing plate 302, and an open groove is provided on one side of the rotating hole. A stabilizing block is respectively provided on both sides of the threaded connection sleeve 401. The stabilizing block is a cylindrical structure, and an annular groove is provided on one side of the stabilizing block. The rotating hole and the annular groove are engaged with each other, and the stabilizing block realizes the effect of flexible swinging of the first stabilizing plate 301 and the second stabilizing plate 302, and the annular groove of the stabilizing block realizes the first stabilizing plate 301 and the second stabilizing plate 302. The fixing plate 301 and the second fixing plate 302 have a transverse stabilizing effect. After the first fixing plate 301 and the second fixing plate 302 are stabilized, the spiral compensation tube 4 is laterally stabilized. In addition, the arrangement of the first fixing plate 301 and the second fixing plate 302 makes the connecting flange 101 and the spiral compensation tube 4 on the same horizontal line, thereby avoiding the phenomenon of the spiral compensation tube 4 being deformed by transverse force. A waist-shaped hole is provided on one side of the second fixing plate 302, and the connecting ring 303 is installed inside the waist-shaped hole. With the cooperation of the connecting ring 303, the first fixing plate 301 and the second fixing plate 302 are hingedly positioned. With the cooperation of the waist-shaped hole, the distance between the first fixing plate 301 and the second fixing plate 302 can be adjusted according to the bending amplitude of the spiral compensation tube 4.

[0044] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown,

[0045] A locking bolt 5 is installed in the middle position of the connecting ring 303. An internal thread is provided on the inner side of the connecting ring 303. The locking bolt 5 is threadedly connected to the internal thread. A nut is installed on the outer side of the locking bolt 5. By turning the nut, the locking bolt 5 locks the position between the first stabilizing plate 301 and the second stabilizing plate 302, which facilitates overall transportation and stable transportation.

[0046] Example 2, based on Example 1, refer to Figures 1 to 8 As shown, the positioning sleeve 1, the connecting flange 101, the positioning plate 10101, the stabilizing sleeve 10102, the sealing ring 2, the first stabilizing plate 301, the second stabilizing plate 302, the connecting ring 303, the spiral compensation pipe 4, the threaded connection sleeve 401, and the locking bolt 5 cooperate with each other to form the compensating elbow of the steam pipe.

[0047] Example 3, based on Example 1, refer to Figures 1 to 8 As shown, the spiral compensating tube 4 is made of a plastic material with good elasticity and wear resistance in the prior art.

[0048] The working principle of this embodiment is as follows:

[0049] During installation, first install the sealing ring 2 in the positioning groove position of the connecting flange 101 firmly, then combine the two threaded connection sleeves 401 on both sides of the spiral compensation tube 4, install the external thread position of the positioning sleeve 1 in the inner part of the threaded connection sleeve 401 firmly, and quickly install the first and second stabilizing plates 301 and 302 in the stabilizing block position outside the threaded connection sleeve 401, and firmly fix the first and second stabilizing plates 301 and 302 with the connecting ring 303, and then install the locking bolt 5 with the nut in the middle position of the connecting ring 303;

[0050] When in use, bend the positioning sleeve 1 and the connecting flange 101 together with the spiral compensation pipe 4, then connect the connecting flange 101 with the bolts, the positioning plate 10101 and the steam pipe. The spiral compensation pipe 4 can expand and deform when heated.

[0051] When transporting the compensating elbow, the two positioning sleeves 1 are adjusted to a horizontal state, and then the locking bolts 5 are tightened while turning the nuts to lock the position between the first stabilizing plate 301 and the second stabilizing plate 302, so as to facilitate and stabilize the overall transportation.

[0052] In this article, there are several points to note:

[0053] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0054] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0055] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A steam pipe compensating elbow, comprising: A positioning sleeve (1), a stabilizing structure (3) and a spiral compensating tube (4), wherein the positioning sleeve (1) includes a connecting flange (101), a connecting flange (101) is provided at the upper position of the positioning sleeve (1), a sealing ring (2) is installed at the middle position of the connecting flange (101), there are two positioning sleeves (1), and a spiral compensating tube (4) is installed between the two positioning sleeves (1), characterized in that the spiral compensating tube (4) includes a threaded connection sleeve (401), there are two threaded connection sleeves (401), a first stabilizing plate (301) and a second stabilizing plate (302) are installed at the outer positions of the threaded connection sleeves (401), a connecting ring (303) is provided on one side of the first stabilizing plate (301), the first stabilizing plate (301), the second stabilizing plate (302) and the connecting ring (303) cooperate with each other to form a group of stabilizing structures (3), and a locking bolt (5) is installed at the middle position of the connecting ring (303).

2. A steam pipe compensating elbow according to claim 1, characterized in that: A positioning groove is provided on the inner side surface of the upper portion of the connecting flange (101), and the sealing ring (2) is installed in the inner position of the positioning groove. A set of compensation grooves are provided on the inner side surface and the upper portion of the sealing ring (2).

3. The steam pipe compensating elbow according to claim 1, characterized in that: The connecting flange (101) comprises a positioning plate (10101) and a stabilizing sleeve (10102), and a positioning plate (10101) is provided on the outer side surface of the connecting flange (101).

4. The steam pipe compensating elbow according to claim 1, characterized in that: Two symmetrically distributed stabilizing sleeves (10102) are provided at the bottom of the connecting flange (101), a through hole connected to the stabilizing sleeve (10102) is respectively opened on both sides of the connecting flange (101), a threaded hole is respectively opened on both sides of the threaded connecting sleeve (401), and a group of stabilizing bolts are installed between the stabilizing sleeve (10102) and the threaded hole.

5. The steam pipe compensating elbow according to claim 1, characterized in that: A rotating hole is respectively provided on one side of the first stabilizing plate (301) and the second stabilizing plate (302), and an open groove is provided on one side of the rotating hole. A stabilizing block is respectively provided on both sides of the threaded connection sleeve (401), and the stabilizing block is a cylindrical structure. An annular groove is provided on one side of the stabilizing block, and the rotating hole and the annular groove are engaged with each other.

6. The steam pipe compensating elbow according to claim 1, characterized in that: A group of stabilizing rings are respectively provided on the inner side surfaces of both sides of the spiral compensation tube (4), and a group of stabilizing grooves are provided on the outer side surface of the threaded connection sleeve (401), and the stabilizing rings are engaged with the stabilizing grooves. An external thread is provided at the bottom of the positioning sleeve (1), and the bottom of the positioning sleeve (1) is installed inside the threaded connection sleeve (401) in conjunction with the external thread.

7. The steam pipe compensating elbow according to claim 1, characterized in that: A waist-shaped hole is provided on one side of the second stabilizing plate (302), and the connecting ring (303) is installed inside the waist-shaped hole.

8. The steam pipe compensating elbow according to claim 1, characterized in that: The inner side surface of the connecting ring (303) is provided with an internal thread, the locking bolt (5) is threadedly connected to the internal thread, and a nut is installed on the outer side of the locking bolt (5).

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