CN219796564U - Online plugging tool for diesel engine pipe joint - Google Patents
Online plugging tool for diesel engine pipe joint Download PDFInfo
- Publication number
- CN219796564U CN219796564U CN202320851775.4U CN202320851775U CN219796564U CN 219796564 U CN219796564 U CN 219796564U CN 202320851775 U CN202320851775 U CN 202320851775U CN 219796564 U CN219796564 U CN 219796564U
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- plugging
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- pipe joint
- plugging shell
- profiling
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000945 filler Substances 0.000 claims abstract description 18
- 230000007547 defect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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Abstract
The utility model discloses an on-line plugging tool for a diesel engine pipe joint, which comprises a first plugging shell, a second plugging shell and a first plugging rod; a first groove is formed in the first plugging shell, a second groove is formed in the second plugging shell, the first plugging shell is connected with the second plugging shell to enclose a pipe joint to be plugged, a sealing cavity is formed by enclosing the first groove and the second groove, and leakage points of the pipe joint are enclosed in the sealing cavity; the first plugging shell is provided with a filling hole, the filling hole is used for injecting filling agent into the sealing cavity, the first plugging rod is matched with the filling hole, and the first plugging rod is inserted into the filling hole; according to the on-line plugging tool for the diesel engine pipe joint, the first plugging shell and the second plugging shell are arranged, the leakage points are enclosed in the sealing cavity, and the sealing cavity is filled and sealed by the filler and the first plugging piece, so that the leakage points are plugged and prevented, and the effect of on-line elimination of the leakage defects of the pipe joint is achieved.
Description
Technical Field
The utility model relates to the technical field of auxiliary tools of nuclear power plants, in particular to an on-line plugging tool for a diesel engine pipe joint.
Background
The MTU956TB33 type diesel engine of the nuclear power plant is an LHP/Q/S system emergency diesel engine, and in an emergency working condition, the diesel engine supplies power to an LHA/B bus to ensure the safe shutdown of a reactor and prevent important equipment damage caused by the power failure of a normal alternating current external power supply system.
The continuous leakage of the small pipeline pipe joint of the cooling water, the fuel oil, the lubricating oil and the like of the emergency diesel engine can influence the safe and stable operation of the diesel engine, and reduce the reliability of equipment; the current treatment mode for treating the corresponding leakage defect is to empty medium and stop and maintain, which causes the defects of unavailable emergency diesel engine, influence on equipment availability, large maintenance workload, long maintenance period and the like, and influences WANO index.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an on-line plugging tool for a diesel engine pipe joint aiming at the defects of the prior art.
The technical scheme adopted for solving the technical problems is as follows: an on-line plugging tool for a diesel engine pipe joint comprises a first plugging shell, a second plugging shell and a first plugging rod;
a first groove is formed in the first plugging shell, a second groove is formed in the second plugging shell, the first plugging shell is connected with the second plugging shell to enclose a pipe joint to be plugged, so that a sealing cavity is formed by enclosing the first groove and the second groove, and leakage points of the pipe joint are enclosed in the sealing cavity;
the first plugging shell is provided with a filling hole for injecting filler into the sealing cavity, the first plugging rod is matched with the filling hole, and the first plugging rod is inserted into the filling hole.
Further, preferably, the plugging tool comprises a second plugging rod, an exhaust port is formed in the second plugging shell, the second plugging rod is matched with the exhaust port, and the second plugging rod is inserted into the exhaust port.
Further, it is preferable that the upper and lower ends of the first plugging shell and the second plugging shell are provided with at least one semi-annular sealing tooth corresponding to the sealing chamber.
Further, it is preferable that the seal teeth are provided in plural, and the plural seal teeth are arranged at intervals in order in the axial direction so as to form a labyrinth seal.
Further, it is preferable that the upper end and the lower end of the first plugging shell are respectively provided with a first profiling avoidance position and a second profiling avoidance position; the upper end part and the lower end part of the second plugging shell are respectively provided with a third profiling avoidance position and a fourth profiling avoidance position; the first copying avoidance position and the third copying avoidance position form an upper avoidance position matched with the pipe diameter of the pipe joint after enclosing, and the second copying avoidance position and the fourth copying avoidance position form a lower avoidance position matched with the joint of the pipe joint after enclosing.
Further, it is preferable that the contact surfaces of the first and second plugging cases are flat surfaces.
Further, preferably, the plugging tool includes at least one connecting piece, the contact surfaces of the first plugging shell and the second plugging shell extend outwards to form at least one connecting portion, the connecting portion is provided with a connecting hole, and the connecting piece penetrates through the connecting hole to connect the first plugging shell with the second plugging shell.
Further, preferably, the plugging tool comprises a fixing piece, the fixing piece is a clamp or a binding band, and the fixing piece surrounds the outer wall surfaces of the first plugging shell and the second plugging shell so as to fixedly connect the first plugging shell and the second plugging shell.
The implementation of the utility model has the following beneficial effects: according to the online plugging tool for the diesel engine pipe joint, disclosed by the utility model, for the leakage design of the MTU956TB33 type diesel engine small pipeline pipe joint, the first plugging shell and the second plugging shell are arranged to enclose the leakage point in the sealing cavity, and the sealing cavity is filled and sealed by using the filler and the first plugging piece, so that the leakage prevention of the leakage point is realized, and the leakage defect of the pipe joint is eliminated online; the tool is convenient and quick to use, can efficiently treat the defect of leakage of the small pipeline pipe joint of the diesel engine, and can relatively save a large amount of manpower and material resources when the small pipeline pipe joint of the diesel engine is replaced when the small pipeline pipe joint of the diesel engine is to be overhauled, and meanwhile, the unavailability of equipment can be avoided.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
FIG. 1 is a perspective structural explosion schematic diagram of an on-line plugging tool for a diesel pipe joint in an embodiment of the utility model;
fig. 2 is an exploded view of another perspective structure of the on-line plugging tool for a diesel pipe joint according to the embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While embodiments of the present utility model are illustrated in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
FIGS. 1-2 illustrate an on-line plugging tool for a diesel pipe joint in accordance with some preferred embodiments of the present utility model, comprising a plugging housing having a sealed chamber and a first plugging rod 10; specifically, the plugging shell is of a hollow cylindrical structure, the plugging shell is divided into a first plugging shell 1 and a second plugging shell 2 which are symmetrical along an axis, a first groove 11 is formed in the first plugging shell 1, a second groove 21 is formed in the second plugging shell 2, the first plugging shell 1 is connected with the second plugging shell 2 to enclose a pipe joint to be plugged, the first groove 11 and the second groove 21 enclose to form a sealing cavity, and a leakage point of the pipe joint is covered in the sealing cavity. It can be understood that the first plugging shell 1 and the second plugging shell 2 are enclosed to form a whole shell, and the size of the whole shell is matched with that of the pipe joint to be plugged, so that the first plugging shell 1 and the second plugging can be installed on the pipe joint, the leakage point of the pipe joint is wrapped in the sealing cavity, and the internal medium of the pipe joint leaks from the leakage point to the sealing cavity; the first plugging housing 1 is provided with a filling hole 12 for injecting filler into the sealing chamber so that the sealing chamber is filled with the filler, and the filler can be specifically sealant; the first plugging rod 10 is matched with the filling hole 12, and the first plugging rod 10 is inserted into the filling hole 12; the insertion of the first plugging rod 10 can ensure that the pressure of the filling agent in the sealing chamber is higher than the pressure of the medium in the pipe joint, so as to achieve the online plugging effect.
According to the online plugging tool for the diesel engine pipe joint, disclosed by the utility model, for the leakage design of the small pipeline pipe joint of the MTU956TB33 type diesel engine, the first plugging shell 1 and the second plugging shell 2 are arranged to enclose the leakage point in the sealing cavity, and the sealing cavity is filled and sealed by using the filler and the first plugging piece, so that the leakage point is plugged and prevented, and the leakage defect of the pipe joint is eliminated online; the tool is convenient and quick to use, can efficiently treat the defect of leakage of the small pipeline pipe joint of the diesel engine, and can relatively save a large amount of manpower and material resources when the small pipeline pipe joint of the diesel engine is replaced when the small pipeline pipe joint of the diesel engine is to be overhauled, and meanwhile, the unavailability of equipment can be avoided.
In a specific embodiment, the second plugging housing 2 is provided with an air outlet 22, and the air outlet 22 is used for exhausting air and determining whether the filling agent fills the sealing chamber; the plugging tool comprises a second plugging rod 20, the second plugging rod 20 is matched with the exhaust port 22, and the second plugging rod 20 is inserted into the exhaust port 22. Specifically, the filling hole 12 of the first plugging housing 1 is filled with the filling agent, the gas in the sealing chamber is discharged from the gas outlet 22 of the second plugging housing 2, and when the filling agent overflows into the sealing chamber, the filling agent is filled in the sealing chamber, and the filling hole 12 and the gas outlet 22 are plugged by using the first plugging rod 10 and the second plugging rod 20 respectively, so that the plugging of the leakage point is realized.
In a specific embodiment, at least one semi-annular sealing tooth 3 is arranged at the upper end and the lower end of the first plugging shell 1 and the second plugging shell 2 corresponding to the sealing cavity, after the first plugging shell 1 and the second plugging shell 2 are covered, the semi-annular sealing tooth 3 is enclosed to form a complete annular sealing tooth 3, so that a shutoff gap and an expansion cavity are formed between the annular sealing tooth 3 and the sealing cavity, and the sealed filler generates a throttling effect when passing through the gap to achieve the purpose of leakage blocking.
Further, it is preferable that the seal teeth 3 are provided in plurality, the plurality of seal teeth 3 are sequentially arranged at intervals along the axial direction, and after the first plugging housing 1 and the second plugging housing 2 are covered, the semi-annular seal teeth 3 are enclosed to form a complete annular seal teeth 3 so as to form a labyrinth seal. A series of interception gaps and expansion cavities are formed between the sealing teeth 3 and the sealing teeth 3, and the sealed filler generates a throttling effect when passing through the gaps of the labyrinth so as to achieve the purpose of leakage prevention.
In a specific embodiment, the upper end and the lower end of the first plugging shell 1 are respectively provided with a first profiling avoidance position 13 and a second profiling avoidance position 14; the upper end and the lower end of the second plugging shell 2 are respectively provided with a third profiling avoidance bit 23 and a fourth profiling avoidance bit 24; the first profiling avoidance bit 13 and the third profiling avoidance bit 23 are enclosed to form an upper avoidance bit matched with the pipe diameter of the pipe joint, the second profiling avoidance bit 14 and the fourth profiling avoidance bit 24 are enclosed to form a lower avoidance bit matched with the pipe joint, when the first plugging shell 1 and the second plugging shell 2 are covered, the upper avoidance bit is attached to the pipe diameter of the pipe joint, the lower avoidance bit is attached to the pipe joint of the pipe joint, and then the plugging tool is wrapped with the pipe joint to be plugged, so that a leakage point is sealed in a sealing cavity.
In a specific embodiment, the contact surfaces of the first plugging shell 1 and the second plugging shell 2 are planes, so that the joint of the two is plane sealing, the sealing connection effect is better, the leakage of the filling agent is avoided, and the influence on the plugging effect is avoided.
In a specific embodiment, the plugging tool further comprises at least one connecting piece, and it can be understood that one connecting piece can be provided, and a plurality of connecting pieces can be provided, and specifically, the connecting piece can be a screw or a bolt; at least one connecting part 4 is arranged on the contact surface of the first plugging shell 1 and the second plugging shell 2 in an outward extending way, and it is understood that the connecting parts 4 are arranged corresponding to the connecting pieces, and one connecting part 4 or a plurality of connecting parts 4 can be arranged; the connecting part 4 is provided with a connecting hole 41, the specific connecting part 4 can be a connecting lug, the connecting lug is provided with a threaded connecting hole 41, and a connecting piece passes through the connecting hole 41 to tightly connect the first plugging shell 1 with the second plugging shell 2, so that the filler is prevented from leaking.
In a specific embodiment, the plugging fixture comprises a fixing piece, wherein the fixing piece is a clamp or a binding band, and the fixing piece is arranged around the outer wall surfaces of the first plugging shell 1 and the second plugging shell 2 so as to fixedly connect the first plugging shell and the second plugging shell. The clamp or the binding band provides a pressing force for the first plugging shell 1 and the second plugging shell 2, so that the first plugging shell 1 and the second plugging shell 2 can be tightly attached to the outer wall of the pipe joint, and the structure and the clamping mode of the clamp or the binding band are not particularly limited.
The aspects of the present utility model have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present utility model. In addition, it can be understood that the steps in the method of the embodiment of the present utility model may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present utility model may be combined, divided and pruned according to actual needs.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. The on-line plugging tool for the diesel engine pipe joint is characterized by comprising a first plugging shell (1), a second plugging shell (2) and a first plugging rod (10);
a first groove (11) is formed in the first plugging shell (1), a second groove (21) is formed in the second plugging shell (2), the first plugging shell (1) is connected with the second plugging shell (2) to enclose a pipe joint to be plugged, so that the first groove (11) and the second groove (21) enclose to form a sealing cavity, and leakage points of the pipe joint are enclosed in the sealing cavity;
the first plugging shell (1) is provided with a filling hole (12) for injecting filling agent into the sealing cavity, the first plugging rod (10) is matched with the filling hole (12), and the first plugging rod (10) is inserted into the filling hole (12).
2. The diesel pipe joint online plugging tool according to claim 1, further comprising a second plugging rod (20), wherein the second plugging shell (2) is provided with an exhaust port (22), the second plugging rod (20) is matched with the exhaust port (22), and the second plugging rod (20) is inserted into the exhaust port (22).
3. The diesel pipe joint online plugging tool according to claim 1, wherein at least one semi-annular sealing tooth (3) is arranged at the upper end and the lower end of the first plugging shell (1) and the second plugging shell (2) corresponding to the sealing cavity.
4. The diesel pipe joint online plugging tool according to claim 3, wherein a plurality of sealing teeth (3) are provided, and the plurality of sealing teeth (3) are sequentially arranged at intervals along the axial direction to form a labyrinth seal.
5. The diesel engine pipe joint online plugging tool according to claim 1, wherein the upper end and the lower end of the first plugging shell (1) are respectively provided with a first profiling avoidance bit (13) and a second profiling avoidance bit (14); the upper end and the lower end of the second plugging shell (2) are respectively provided with a third profiling avoidance position (23) and a fourth profiling avoidance position (24); the first profiling avoidance bit (13) and the third profiling avoidance bit (23) form an upper avoidance bit matched with the pipe diameter of the pipe joint after being enclosed, and the second profiling avoidance bit (14) and the fourth profiling avoidance bit (24) form a lower avoidance bit matched with the joint of the pipe joint after being enclosed.
6. The diesel pipe joint online plugging tool according to claim 1, wherein the contact surfaces of the first plugging shell (1) and the second plugging shell (2) are planes.
7. The diesel pipe joint online plugging tool according to claim 1, further comprising at least one connecting piece, wherein the contact surfaces of the first plugging shell (1) and the second plugging shell (2) are respectively provided with at least one connecting portion (4) in an outward extending manner, the connecting portions (4) are provided with connecting holes (41), and the connecting piece penetrates through the connecting holes (41) to connect the first plugging shell (1) with the second plugging shell (2).
8. The diesel pipe joint online plugging tool according to claim 1, further comprising a fixing piece, wherein the fixing piece is a clamp or a binding band, and the fixing piece is arranged around the outer wall surfaces of the first plugging shell (1) and the second plugging shell (2) so as to fixedly connect the first plugging shell (1) and the second plugging shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851775.4U CN219796564U (en) | 2023-04-14 | 2023-04-14 | Online plugging tool for diesel engine pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851775.4U CN219796564U (en) | 2023-04-14 | 2023-04-14 | Online plugging tool for diesel engine pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796564U true CN219796564U (en) | 2023-10-03 |
Family
ID=88151510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320851775.4U Active CN219796564U (en) | 2023-04-14 | 2023-04-14 | Online plugging tool for diesel engine pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796564U (en) |
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2023
- 2023-04-14 CN CN202320851775.4U patent/CN219796564U/en active Active
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