CN217683913U

CN217683913U - High manhole self-sealing structure that adds of coiled pipe

Info

Publication number: CN217683913U
Application number: CN202123279594.9U
Authority: CN
Inventors: 钟铭; 付小东; 苑红军; 何胜; 石伟栋; 邓志刚; 付利民
Original assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Current assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-10-28
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a self-sealing structure of a coiled pipe high-pressure manhole, which comprises a sealing module, wherein the sealing module comprises an installation component and a sealing component, and the sealing component is arranged in the installation component; and the protection module is movably connected with the sealing module and comprises a driving assembly and a positioning assembly, and the driving assembly is movably connected with the positioning assembly. The utility model discloses a protection module protects the sealed module's of pipeline the back, avoids it to receive dirty and corruption in the use, ensures the use cleanness and the life of sealing member.

Description

High manhole self-sealing structure that adds of coiled pipe

Technical Field

The utility model relates to a thermal power technical field, especially a serpentine pipe height adds manhole self sealss structure.

Background

A thermal power plant, which is called a thermal power plant for short, is a plant for producing electric energy by using combustible materials as fuel. The basic production process is as follows: the fuel heats water to generate steam during combustion, chemical energy of the fuel is converted into heat energy, the steam pressure drives a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, and the mechanical energy is converted into electric energy. They generate electricity by taking advantage of the pressure drop during the conversion of high temperature, high pressure steam or gas through a turbine to low pressure air or condensate.

The water side of the high-pressure heater of the large-scale thermal power generating unit has high operation pressure, the water side pressure reaches 30MPa by taking a 350MW supercritical unit as an example, and the water side pressure of the high-pressure heater of a 1000MW supercritical unit reaches 40MPa. Therefore, the conventional structure using the flange and the sealing gasket cannot meet the sealing requirement under high pressure, and the water side seal of the high-pressure heater commonly used at present is a self-sealing structure. High pressure feed water heater can divide into U-shaped pipe high pressure feed water heater and coiled pipe high pressure feed water heater according to structural style, all has the manhole to seal in the waterside, in order to ensure that the manhole seals effectually and generally adopts self-sealing structure, at sealed in-process, seal assembly's the back easily receives environmental impact to take place smudgy, easily causes the dirty corruption of equipment seal spare, influences life.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problems existing in the prior art, the utility model discloses a.

Therefore, the utility model aims to solve the technical problem that the high manhole self sealss subassembly back that adds of coiled pipe easily takes place dirty influence life.

In order to solve the technical problem, the utility model provides a following technical scheme: a coiled pipe high pressure manhole self-sealing structure comprises a sealing module, wherein the sealing module comprises a mounting assembly and a sealing assembly, and the sealing assembly is arranged in the mounting assembly; and the protection module is movably connected with the sealing module and comprises a driving assembly and a positioning assembly, and the driving assembly is movably connected with the positioning assembly.

As a preferred scheme of coiled pipe height adds manhole self sealss structure, wherein: the installation component comprises a pipeline main body, a supporting plate and a sealing plate, wherein the supporting plate and the sealing plate are arranged in the pipeline main body.

As a preferred scheme of serpentine pipe height with manhole self sealss structure, wherein: the sealing assembly comprises four closing rings, a positioning groove and a circular ring, wherein the positioning groove is formed in the inner wall of the pipeline main body, the four closing rings are arranged in the inner cavity of the positioning groove, and the circular ring is arranged on the surface of the four closing rings.

As a preferred scheme of coiled pipe height adds manhole self sealss structure, wherein: the driving assembly comprises a driving shell, a screw block and a split screw, the split screw is arranged in the inner cavity of the driving shell, and the screw block is in threaded connection with the surface of the split screw.

As a preferred scheme of serpentine pipe height with manhole self sealss structure, wherein: the positioning assembly comprises a transmission rod, a dust cover, a cross rod, a positioning plate and an arc-shaped clamping jaw, one end of the transmission rod is fixedly connected with the screw block, the other end of the transmission rod is fixedly connected with the cross rod, one end of the cross rod is fixedly connected with the positioning plate, one end of the arc-shaped clamping jaw is arranged on the surface of the positioning plate, and one end of the dust cover is fixedly connected with the driving shell.

As a preferred scheme of serpentine pipe height with manhole self sealss structure, wherein: the protection module is characterized by further comprising a limiting assembly, the limiting assembly comprises a sliding rod and a slide, one end of the sliding rod is fixedly connected with the screw block, the other end of the sliding rod is arranged in an inner cavity of the slide, and one end of the slide is fixedly connected with the driving shell.

As a preferred scheme of coiled pipe height adds manhole self sealss structure, wherein: the driving assembly further comprises a driving disc and a bearing, one end of the opposite-pulling screw is fixedly connected with the driving disc, the other end of the opposite-pulling screw is movably connected with the bearing, and one end of the bearing is arranged on the inner wall of the driving shell.

As a preferred scheme of serpentine pipe height with manhole self sealss structure, wherein: the mounting assembly further comprises a tension bolt and a positioning nut, one end of the tension bolt penetrates through the support plate and is fixedly connected with the sealing plate, and the inner surface of the positioning nut is in threaded connection with the outer surface of the tension bolt.

As a preferred scheme of coiled pipe height adds manhole self sealss structure, wherein: the sealing assembly further comprises a pressure equalizing ring and a gasket, wherein the pressure equalizing ring and the gasket are arranged between the four-way ring and the sealing plate.

As a preferred scheme of serpentine pipe height with manhole self sealss structure, wherein: the driving assembly further comprises movable grooves which are respectively arranged at the top and the bottom of the driving shell.

The utility model has the advantages that: the utility model discloses a protection module protects the sealed module's of pipeline the back, avoids it to receive dirty and corruption in the use, ensures the use cleanness and the life of sealing member.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a diagram showing the construction of the apparatus in the first and second embodiments.

Fig. 2 is a mounting structure diagram of a driving assembly and a limiting assembly in the second and third embodiments.

Fig. 3 is a structural view of a mounting assembly in the first, second, and third embodiments.

Fig. 4 is a structural view of a seal assembly in the second and third embodiments.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 3, for a first embodiment of the present invention, this embodiment provides a serpentine pipe height-increasing manhole self-sealing structure, including a sealing module 100, where the sealing module 100 includes an installation component 101 and a sealing component 102, the sealing component 102 is disposed in the installation component 101, and the installation component 101 is used to install and limit the sealing component 102, so as to ensure the self-sealing effect of the sealing component 102; and (c) a second step of,

the protection module 200 is movably connected with the sealing module 100, the protection module 200 comprises a driving assembly 201 and a positioning assembly 202, the driving assembly 201 is movably connected with the positioning assembly 202, the positioning assembly 202 is driven and clamped tightly through the driving assembly 201, the driving assembly 201 and the positioning assembly 202 are fixed with each other and clamped on the surface of the mounting assembly 101, the sealing assembly 102 in the mounting assembly 101 is protected, and external dust is effectively isolated.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present invention is based on the above embodiment.

The mounting assembly 101 includes a duct body 101a, a support plate 101b and a cover plate 101c, the support plate 101b and the cover plate 101c being disposed within the duct body 101a, and a seal assembly 102 being disposed between the support plate 101b and the cover plate 101c to ensure stable mounting of the seal assembly 102.

The sealing assembly 102 comprises a four-ring 102a, a positioning groove 102b and a circular ring 102e, wherein the positioning groove 102b is arranged on the inner wall of the pipeline main body 101a, the four-ring 102a is arranged in the inner cavity of the positioning groove 102b, the circular ring 102e is arranged on the surface of the four-ring 102a, the circular ring 102e limits the four-ring 102a, and the four-ring 102a is prevented from falling off. Each part of the four-ring 102a is provided with a threaded hole, so that the four-ring 102a is clamped in the positioning groove 102b to be more stable in order to prevent excessive tightening force after the four-ring 102a is thermally expanded during disassembly.

The driving component 201 comprises a driving shell 201a, a screw block 201b and a counter-pulling screw 201c, the counter-pulling screw 201c is arranged in the inner cavity of the driving shell 201a, the screw block 201b is in threaded connection with the surface of the counter-pulling screw 201c, the two screw blocks 201b on the surface of the counter-pulling screw 201c are driven to move relatively by rotation of the counter-pulling screw 201c, and mechanical transmission force is transmitted to the positioning component 202 by movement of the screw blocks 201 b.

The positioning assembly 202 comprises a transmission rod 202a, a dust cover 202b, a cross rod 202c, a positioning plate 202d and arc-shaped clamping jaws 202e, one end of the transmission rod 202a is fixedly connected with the screw block 201b, the other end of the transmission rod 202a is fixedly connected with the cross rod 202c, one end of the cross rod 202c is fixedly connected with the positioning plate 202d, one end of the arc-shaped clamping jaws 202e is arranged on the surface of the positioning plate 202d, one end of the dust cover 202b is fixedly connected with the driving shell 201a, and the arc-shaped clamping jaws 202e are clamped on the surface of the pipeline main body 101a to complete the installation and fixation of the positioning assembly 202, so that the sealing module 100 can be protected.

The protection module 200 further comprises a limiting component 203, the limiting component 203 comprises a sliding rod 203a and a sliding channel 203b, one end of the sliding rod 203a is fixedly connected with the screw block 201b, the other end of the sliding rod 203a is arranged in an inner cavity of the sliding channel 203b, one end of the sliding channel 203b is fixedly connected with the driving shell 201a, and through protection of the limiting component 203, the phenomenon that the screw block 201b deviates when moving can be effectively avoided, and stability of the screw block 201b when moving is ensured.

Example 3

Referring to fig. 2 to 4, the third embodiment of the present invention is based on the above two embodiments.

Drive assembly 201 is still including driving-disc 201d and bearing J, one end and driving-disc 201d fixed connection to drawing screw rod 201c, other end and bearing J swing joint to drawing screw rod 201c, bearing J's one end sets up at drive casing 201a inner wall, use through driving-disc 201d, make things convenient for the staff to rotate to drawing screw rod 201c and install the operation more, it is spacing through bearing J's installation, can effectively ensure to drawing screw rod 201 c's rotational stabilization.

The mounting assembly 101 further comprises a tension bolt 101d and a positioning nut 101e, one end of the tension bolt 101d penetrates through the support plate 101b and is fixedly connected with the closing plate 101c, the inner surface of the positioning nut 101e is in threaded connection with the outer surface of the tension bolt 101d, and through the use of the tension bolt 101d and the positioning nut 101e, the connection between the support plate 101b and the closing plate 101c is tighter, and the sealing stability of the equipment is ensured.

The sealing assembly 102 further comprises a pressure equalizing ring 102c and a gasket 102d, the pressure equalizing ring 102c and the gasket 102d are arranged between the four-ring 102a and the closing plate 101c, and water pressure in the pipeline is uniformly dispersed through the pressure equalizing ring 102c and the gasket 102d, so that the four-ring 102a is stressed more stably.

Drive assembly 201 is still including activity groove K, and activity groove K sets up respectively in the top and the bottom of drive casing 201a, through activity groove K's setting, can effectively avoid transfer line 202a to contact with drive casing 201a when removing, avoids appearing unusual wearing and tearing and causes the phenomenon of transmission jamming.

The installation and protection steps of the protection module 200 are as follows:

1. a worker integrally clamps the protection module 200 on the end face of the pipeline main body 101a, rotates the driving disc 201d, drives the counter-pulling screw 201c to rotate through the rotation of the driving disc 201d, and drives the two screw blocks 201b on the surface of the counter-pulling screw 201c to perform relative movement through the rotation of the counter-pulling screw;

2. the screw block 201b moves to drive the transmission rod 202a to move, the transmission rod 202a moves to drive the cross rod 202c to move, and the cross rod 202c moves to drive the positioning plate 202d and the arc-shaped clamping jaws 202e to move;

3. along with arc-shaped clamping jaw 202e moves to be clamped on the end face of the pipeline main body 101a, installation and fixation are completed, the protection module 200 is integrally installed on the end face of the pipeline main body 101a, the end face of the pipeline main body 101a is shielded through the dustproof cover 202b, and the fact that external dust and impurities enter and affect the use safety of the sealing assembly 102 is avoided.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a coiled pipe height adds manhole self sealss structure which characterized in that: comprises the steps of (a) preparing a substrate,

a sealing module (100), wherein the sealing module (100) comprises a mounting assembly (101) and a sealing assembly (102), and the sealing assembly (102) is arranged in the mounting assembly (101); and the number of the first and second groups,

the protective module (200) is movably connected with the sealing module (100), the protective module (200) comprises a driving assembly (201) and a positioning assembly (202), and the driving assembly (201) is movably connected with the positioning assembly (202).

2. A serpentine tube highrise manhole self-sealing structure as claimed in claim 1, wherein: the mounting assembly (101) comprises a pipeline main body (101 a), a supporting plate (101 b) and a sealing plate (101 c), wherein the supporting plate (101 b) and the sealing plate (101 c) are arranged in the pipeline main body (101 a).

3. A serpentine tube high pressure manhole self-sealing structure as set forth in claim 1, wherein: the sealing assembly (102) comprises a four-ring (102 a), a positioning groove (102 b) and a circular ring (102 e), the positioning groove (102 b) is arranged on the inner wall of the pipeline main body (101 a), the four-ring (102 a) is arranged in the inner cavity of the positioning groove (102 b), and the circular ring (102 e) is arranged on the surface of the four-ring (102 a).

4. A serpentine pipe plenum manhole self-sealing structure as claimed in any one of claims 1 to 3, wherein: the driving assembly (201) comprises a driving shell (201 a), a screw block (201 b) and a split screw (201 c), the split screw (201 c) is arranged in the inner cavity of the driving shell (201 a), and the screw block (201 b) is in threaded connection with the surface of the split screw (201 c).

5. A serpentine tube high pressure manhole self-sealing structure as set forth in claim 4, wherein: the positioning assembly (202) comprises a transmission rod (202 a), a dust cover (202 b), a cross rod (202 c), a positioning plate (202 d) and arc-shaped clamping jaws (202 e), one end of the transmission rod (202 a) is fixedly connected with a screw block (201 b), the other end of the transmission rod (202 a) is fixedly connected with the cross rod (202 c), one end of the cross rod (202 c) is fixedly connected with the positioning plate (202 d), one end of each arc-shaped clamping jaw (202 e) is arranged on the surface of the positioning plate (202 d), and one end of the dust cover (202 b) is fixedly connected with a driving shell (201 a).

6. A serpentine pipe highrise manhole self-sealing structure as claimed in claim 4, wherein: protection module (200) is still including spacing subassembly (203), spacing subassembly (203) is including slide bar (203 a) and slide (203 b), the one end and the spiral shell piece (201 b) fixed connection of slide bar (203 a), the other end setting of slide bar (203 a) is at the inner chamber of slide (203 b), the one end and the drive casing (201 a) fixed connection of slide (203 b).

7. A serpentine pipe highrise manhole self-sealing structure as claimed in claim 4, wherein: drive assembly (201) is still including driving-disc (201 d) and bearing (J), the one end and driving-disc (201 d) fixed connection of split screw rod (201 c), the other end and bearing (J) swing joint of split screw rod (201 c), the one end setting of bearing (J) is at drive casing (201 a) inner wall.

8. A serpentine tube high pressure manhole self-sealing structure as set forth in claim 2, wherein: the mounting assembly (101) further comprises a tension bolt (101 d) and a positioning nut (101 e), one end of the tension bolt (101 d) penetrates through the supporting plate (101 b) and is fixedly connected with the closing plate (101 c), and the inner surface of the positioning nut (101 e) is in threaded connection with the outer surface of the tension bolt (101 d).

9. A serpentine tube high pressure manhole self-sealing structure as set forth in claim 3, wherein: the sealing assembly (102) further comprises a pressure equalizing ring (102 c) and a gasket (102 d), and the pressure equalizing ring (102 c) and the gasket (102 d) are arranged between the four-ring (102 a) and the closing plate (101 c).

10. A serpentine tube high pressure manhole self-sealing structure as claimed in claim 9, wherein: the driving assembly (201) further comprises movable grooves (K), and the movable grooves (K) are respectively arranged at the top and the bottom of the driving shell (201 a).