Communication connecting pipe structure of auxiliary steam header

Abstract

The utility model is suitable for the technical field of communication connecting pipes, and provides a communication connecting pipe structure of an auxiliary steam header. Mounting sleeves are fixedly connected to the two ends of the communicating connecting pipe body correspondingly, connectors are arranged in the mounting sleeves correspondingly, and the two connectors are arranged at ports of the steam header body correspondingly. According to the communication connecting pipe structure of the auxiliary steam header, the mounting sleeve, the connector, the steam header body and the clamping mechanism are arranged, so that the function that a worker can conveniently and rapidly conduct butt joint and disassembly on the communication connecting pipe body and the steam header body is achieved, practicability is improved, and the practicability is high. The connecting pipe solves the problems that an existing connecting pipe does not have the purpose of rapidly disassembling and assembling the connecting pipe and the end opening of the auxiliary steam header, the working process is complex when a worker connects or disassembles the connecting pipe and the end opening of the auxiliary steam header, and practicability is poor.

Description

Technical Field

[0001] The utility model belongs to the technical field of connecting pipes, and in particular relates to a connecting pipe structure of an auxiliary steam header. Background Art

[0002] When the original 250MW unit of Douhe Power Plant was operating normally, the steam source of the auxiliary steam manifold came from the outlet of the boiler's low-temperature superheater. The steam pressure was very high, 16.6MPa, 426℃. The steam required by the auxiliary steam manifold was 1.3MPa, 260℃. To supply the steam from the outlet of the boiler's low-temperature superheater to the auxiliary steam manifold, a pressure reducing desuperheater must be used to reduce the pressure and temperature in order to meet the steam needs of the auxiliary steam manifold. The auxiliary steam manifold needs to cooperate with the connecting pipe to transport the steam.

[0003] The patent document with the prior art publication number CN 208587613 U provides a steam pipe, which effectively solves the problem of poor thermal insulation effect of the steam pipe in the prior art. The current connecting pipe does not have the purpose of rapid disassembly and assembly at the port of the auxiliary steam manifold, resulting in a complicated workflow for workers when connecting or disassembling the connecting pipe and the port of the auxiliary steam manifold, and poor practicality. Utility Model Content

[0004] The utility model provides a connecting pipe structure of an auxiliary steam manifold, aiming to solve the problem that the current connecting pipe cannot be quickly disassembled and assembled with the port of the auxiliary steam manifold, resulting in a complicated workflow and poor practicality for workers when connecting or disassembling the connecting pipe with the port of the auxiliary steam manifold.

[0005] The utility model is implemented as follows: a connecting pipe structure of an auxiliary steam manifold comprises: a connecting pipe body; both ends of the connecting pipe body are fixedly connected with mounting sleeves, the interior of the mounting sleeves are provided with joints, and the two joints are both arranged at the ports of the steam manifold body; the interior of the mounting sleeves are provided with a snap-fit ​​mechanism for quickly disassembling and assembling with the joints.

[0006] Preferably, the locking mechanism includes: five ball grooves are opened inside the mounting sleeve, steel balls are arranged inside the ball grooves, the mounting sleeve is slidably connected with a lifting ring near the steel balls, the inner wall of the lifting ring is opened with a movable groove, and the movable groove is adapted to the steel balls; the outer surface of the lifting ring is fixedly connected with a connecting ring, and the outer surface of the connecting ring is fixedly connected with a push ring.

[0007] Preferably, a spring is provided at one end of the lifting ring close to the connecting pipe body, and the springs are respectively arranged inside the mounting sleeve.

[0008] Preferably, the outer surfaces of the push rings are provided with damping pads, and the damping pads are fixedly connected to the push rings respectively.

[0009] Preferably, the joint includes a connecting head, a slot, a mounting plate and a bolt; a slot is provided on the outer surface of the connecting head, the slot is adapted to the steel ball, the end of the connecting head away from the mounting sleeve is fixedly connected to the mounting plate, the side of the mounting plate close to the mounting sleeve is provided with six bolts, one end of the bolt passes through the mounting plate and extends to the interior of the steam header body, and the bolt is threadedly connected to the steam header body.

[0010] Preferably, a sealing gasket is provided between the mounting plate and the steam header body, a sealing ring is provided between the mounting plate and the mounting sleeve, and the sealing gasket and the sealing ring are both fixedly connected to the mounting plate.

[0011] Preferably, the connecting pipe body comprises a pipe, a reinforcement layer and an anti-scalding layer; the outer surface of the pipe is fixedly connected with the reinforcement layer, and the outer surface of the reinforcement layer is fixedly connected with the anti-scalding layer.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] By arranging the installation sleeve, the joint, the steam manifold body and the locking mechanism, the function of facilitating workers to quickly connect and disassemble the connecting pipe body with the steam manifold body is achieved, the practicality is improved, and the problem that the current connecting pipe does not have the purpose of quick disassembly and assembly with the port of the auxiliary steam manifold is solved, resulting in a complicated work process and poor practicality for workers when connecting or disassembling the connecting pipe with the port of the auxiliary steam manifold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 The utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a schematic diagram of the structure of the connecting pipe body of the utility model;

[0017] Figure 4 It is a schematic diagram of the joint structure of the utility model.

[0018] In the figure: 1. connecting pipe body; 2. mounting sleeve; 3. joint; 4. steam header body; 5. locking mechanism; 6. steel ball; 7. lifting ring; 8. movable groove; 9. connecting ring; 10. push ring; 11. spring; 12. damping pad; 13. connector; 14. slot; 15. mounting plate; 16. bolt; 17. sealing pad; 18. sealing ring; 19. pipeline; 20. reinforcement layer; 21. anti-scalding layer. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The utility model provides a connecting pipe structure of an auxiliary steam header, such as Figure 1-4 As shown, it includes: a connecting pipe body 1; both ends of the connecting pipe body 1 are fixedly connected with mounting sleeves 2, and joints 3 are arranged inside the mounting sleeves 2, and the two joints 3 are arranged at the ports of the steam header body 4; and the mounting sleeves 2 are arranged inside with a snap-fit ​​mechanism 5 for quick disassembly and assembly with the joints 3.

[0022] It should be noted that the user installs the connector 3 at the port of the steam manifold body 4, and then quickly connects or disassembles the installation sleeve 2 and the connector 3 through the locking mechanism 5 inside the installation sleeve 2, thereby achieving the purpose of quickly connecting or disassembling the connecting pipe body 1 and the steam manifold body 4, and realizing the function of facilitating workers to quickly connect and disassemble the connecting pipe body 1 and the steam manifold body 4, thereby improving practicality and solving the problem that the current connecting pipe does not have the purpose of quick disassembly and assembly at the port of the auxiliary steam manifold, resulting in a complicated workflow and poor practicality for workers when connecting or disassembling the connecting pipe and the port of the auxiliary steam manifold.

[0023] In a further preferred embodiment of the present invention, Figure 2 As shown, the locking mechanism 5 includes: five ball grooves are opened inside the mounting sleeve 2, steel balls 6 are arranged inside the ball grooves, the mounting sleeve 2 is slidably connected with a lifting ring 7 near the steel balls 6, and movable grooves 8 are opened on the inner wall of the lifting ring 7, and the movable grooves 8 are adapted to the steel balls 6; the outer surface of the lifting ring 7 is fixedly connected with a connecting ring 9, and the outer surface of the connecting ring 9 is fixedly connected with a push ring 10.

[0024] In this embodiment, the user pulls the push ring 10, and the push ring 10 drives the lifting ring 7 through the connecting ring 9, so that the movable groove 8 on the lifting ring 7 moves to the ball groove, increasing the movable range of the steel ball 6, and then the installation sleeve 2 is put on the outer surface of the joint 3, and finally the push ring 10 is loosened to reset the lifting ring 7. While resetting the lifting ring 7, the movable groove 8 is driven to separate from the ball groove, and the steel ball 6 is squeezed at the same time, so that a small part of the steel ball 6 moves to the joint 3 and engages with the joint 3, so as to achieve the purpose of quick docking. When disassembling, the user pulls the push ring 10 and pulls out the installation sleeve 2.

[0025] In a further preferred embodiment of the present invention, Figure 2 As shown, a spring 11 is disposed at one end of the lifting ring 7 close to the connecting pipe body 1 , and the spring 11 is disposed inside the mounting sleeve 2 .

[0026] In this embodiment, when the user releases the push ring 10 , the spring 11 can recover elastically, thereby pushing the lifting ring 7 to reset.

[0027] In a further preferred embodiment of the present invention, Figure 2 As shown, damping pads 12 are provided on the outer surfaces of the push rings 10 , and the damping pads 12 are fixedly connected to the push rings 10 .

[0028] In this embodiment, the roughness of the surface of the push ring 10 is increased, thereby preventing the push ring 10 from slipping when the user pulls it.

[0029] In a further preferred embodiment of the present invention, Figure 2 , 4 As shown, the joint 3 includes a connecting head 13, a slot 14, a mounting plate 15 and a bolt 16; the outer surface of the connecting head 13 is provided with a slot 14, the slot 14 is adapted to the steel ball 6, the end of the connecting head 13 away from the mounting sleeve 2 is fixedly connected with the mounting plate 15, and the side of the mounting plate 15 close to the mounting sleeve 2 is provided with six bolts 16, one end of the bolt 16 passes through the mounting plate 15 and extends to the inside of the steam header body 4, and the bolt 16 is threadedly connected to the steam header body 4.

[0030] In this embodiment, the user can fix the mounting plate 15 to the port of the steam header body 4 by means of the bolts 16. At the same time, when the steel ball 6 is squeezed, the portion of the steel ball 6 exposed outside the ball groove moves to the inside of the slot 14 on the surface of the connector 13, thereby achieving the purpose of fixed docking, making the connection between the mounting sleeve 2 and the connector 3 more stable and less likely to loosen and fall off.

[0031] In a further preferred embodiment of the present invention, Figure 2 , 4 As shown, a sealing gasket 17 is provided between the mounting plate 15 and the steam header body 4 , and a sealing ring 18 is provided between the mounting plate 15 and the mounting sleeve 2 . Both the sealing gasket 17 and the sealing ring 18 are fixedly connected to the mounting plate 15 .

[0032] In this embodiment, the sealing performance at the connection between the mounting plate 15 and the steam header body 4 and between the mounting plate 15 and the mounting sleeve 2 is improved to prevent air leakage.

[0033] In a further preferred embodiment of the present invention, Figure 3 As shown, the connecting pipe body 1 includes a pipe 19 , a reinforcement layer 20 and an anti-scalding layer 21 ; the outer surface of the pipe 19 is fixedly connected with the reinforcement layer 20 , and the outer surface of the reinforcement layer 20 is fixedly connected with the anti-scalding layer 21 .

[0034] In this embodiment, the reinforcing layer 20 is woven from a number of steel wire ropes, which improves the structural strength and anti-scalding performance of the connecting pipe body 1, and prevents the connecting pipe body 1 from bursting due to excessive air pressure when conveying steam. The setting of the anti-scalding layer 21 can effectively prevent workers from accidentally touching the connecting pipe body 1 and causing burns.

[0035] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0036] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0037] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0038] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A connecting pipe structure of an auxiliary steam header, comprising: Connecting the pipe body (1); The invention is characterized in that both ends of the connecting pipe body (1) are fixedly connected with mounting sleeves (2), the interior of the mounting sleeves (2) is provided with joints (3), and the two joints (3) are both arranged at the ports of the steam header body (4); The interior of the installation sleeve (2) is provided with a snap-fit ​​mechanism (5) for quick assembly and disassembly with the connector (3).

2. The connecting pipe structure of the auxiliary steam header according to claim 1, characterized in that: The engaging mechanism (5) comprises: The installation sleeve (2) is provided with five ball grooves inside, and steel balls (6) are arranged inside the ball grooves. The installation sleeve (2) is slidably connected with a lifting ring (7) near the steel balls (6). The inner wall of the lifting ring (7) is provided with a movable groove (8), and the movable groove (8) is adapted to fit the steel balls (6). The outer surfaces of the lifting rings (7) are fixedly connected to connecting rings (9), and the outer surfaces of the connecting rings (9) are fixedly connected to pushing rings (10).

3. The connecting pipe structure of the auxiliary steam header as claimed in claim 2, characterized in that: The lifting ring (7) is provided with a spring (11) at one end close to the connecting pipe body (1), and the spring (11) is respectively arranged inside the mounting sleeve (2).

4. The connecting pipe structure of the auxiliary steam header as claimed in claim 2, characterized in that: The outer surface of the push ring (10) is provided with a damping pad (12), and the damping pad (12) is fixedly connected to the push ring (10) respectively.

5. The connecting pipe structure of the auxiliary steam header as claimed in claim 2, characterized in that: The joint (3) comprises a connecting head (13), a slot (14), a mounting plate (15) and a bolt (16); a slot (14) is provided on the outer surface of the connecting head (13), the slot (14) being adapted to the steel ball (6); an end of the connecting head (13) away from the mounting sleeve (2) is fixedly connected to the mounting plate (15); a side of the mounting plate (15) close to the mounting sleeve (2) is provided with six bolts (16); one end of the bolt (16) passes through the mounting plate (15) and extends to the interior of the steam header body (4); the bolt (16) is threadedly connected to the steam header body (4).

6. The connecting pipe structure of the auxiliary steam header as claimed in claim 5, characterized in that: A sealing gasket (17) is provided between the mounting plate (15) and the steam header body (4), and a sealing ring (18) is provided between the mounting plate (15) and the mounting sleeve (2); the sealing gasket (17) and the sealing ring (18) are both fixedly connected to the mounting plate (15).

7. The connecting pipe structure of the auxiliary steam header according to claim 1, characterized in that: The connecting pipe body (1) comprises a pipe (19), a reinforcement layer (20) and an anti-scalding layer (21); the outer surface of the pipe (19) is fixedly connected to the reinforcement layer (20), and the outer surface of the reinforcement layer (20) is fixedly connected to the anti-scalding layer (21).

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