CN217045644U

CN217045644U - Foreign matter subassembly is prevented in pipeline processing

Info

Publication number: CN217045644U
Application number: CN202220482424.6U
Authority: CN
Inventors: 卢进霖; 潘文豪; 陈修愫; 叶珉杏
Original assignee: Huaneng Yangpu Thermal Power Co Ltd
Current assignee: Huaneng Yangpu Thermal Power Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-26
Anticipated expiration: 2032-03-07

Abstract

The utility model provides a foreign matter subassembly is prevented in pipeline processing, include: the pipeline is provided with a pipe table; the sleeve is arranged in the pipeline through the pipe table, and a sliding sleeve is arranged on the sleeve and is suitable for relatively moving in the guide direction along the sleeve; the unfolding mechanism is arranged on the sleeve and comprises a plurality of supporting pieces, the supporting pieces are circumferentially arranged on the sliding sleeve at intervals and are hinged with the sliding sleeve, and the supporting pieces are also provided with blocking sleeves suitable for blocking foreign matters; the connecting rod, through connection the sleeve pipe, the one end of connecting rod is provided with stop gear, stop gear's one end and pipe inner wall connection, stop gear is suitable for spacing deployment mechanism. Through setting up stop gear in the pipeline to solved and influenced the processing of pipe stand terminal surface, leaded to the problem of not being convenient for to use, this device simple structure, convenient operation has improved work efficiency, the effectual output that increases the product.

Description

Foreign matter subassembly is prevented in pipeline processing

Technical Field

The utility model relates to a pipeline processing technology field, concretely relates to foreign matter subassembly is prevented in pipeline processing.

Background

In the process of construction and maintenance of a power plant, a large number of pipelines with different calibers and different functions can be used, due to the high requirements of the nuclear power plant on nuclear safety and operational reliability, the risk of system foreign matters and the system cleanliness need to be strictly controlled, in some special pipeline construction processes, such as cutting of an installed pipe table and groove machining, metal chips in the machining process cannot be removed by adopting a conventional method, the conventional cleaning mode hardly limits the diffusion, collection or removal of the metal chips, and therefore foreign matter control and timely cleaning need to be carried out in the links of pipeline machining and the like.

A prevent foreign matter instrument for nuclear power plant's pipe-line machining among the prior art has and just can protect the pipeline in advance before the pipe-line machining, reduces the foreign matter and gets into the pipeline risk, and advantages such as guarantee installation quality and operational reliability, the maintenance device on nevertheless the device passes through the bolt installation back, need support on the terminal surface of pipe stand, can influence pipe stand terminal surface processing, leads to not convenient to use.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is preventing that foreign matter instrument influences the processing of pipe stand terminal surface, leads to the not convenient to use defect to a foreign matter subassembly is prevented in pipeline processing is provided.

In order to solve the problem, the utility model provides a foreign matter subassembly is prevented in pipe processing, include:

the pipeline is provided with a pipe table;

the sleeve is arranged in the pipeline through the pipe table, and a sliding sleeve is arranged on the sleeve and is suitable for relatively moving along the guide direction of the sleeve;

the unfolding mechanism is arranged on the sleeve and comprises a plurality of supporting pieces, the supporting pieces are circumferentially arranged on the sliding sleeve at intervals and hinged with the sliding sleeve, and the supporting pieces are also provided with blocking sleeves suitable for blocking foreign matters;

the connecting rod, through connection the sleeve pipe, the one end of connecting rod is provided with stop gear, stop gear's one end and pipe inner wall connection, stop gear is suitable for spacing deployment mechanism.

Preferably, the support member comprises a first rod section and a second rod section, one end of the first rod section is hinged to the sliding sleeve, the first rod section is suitable for being matched with the sliding sleeve to move, the other end of the first rod section is hinged to the second rod section, one end of the second rod section is hinged to the sleeve, and the second rod section is suitable for being matched with the first rod section to move.

Preferably, the blocking sleeve is arranged on the outer side face of the second rod section, and the blocking sleeve is suitable for being unfolded through matching with the first rod section, the second rod section and the sliding sleeve.

Preferably, the limiting mechanism comprises a pressing sleeve, a pressure spring and a pressure lever, the pressure lever is arranged at one end of the connecting rod, an opening is formed in one end of the pressing sleeve, the pressure lever is arranged in the pressing sleeve through the opening, the pressure spring is arranged in the pressing sleeve, and two ends of the pressure spring are fixedly connected with the pressing sleeve and the pressure lever respectively.

Preferably, the compression bar is of a T-shaped structure.

Preferably, one end of the opening of the pressing sleeve is provided with a bayonet, and the bayonet is suitable for limiting the pressing rod.

Preferably, the blocking sleeve is of a conical structure.

Preferably, the outer surface of the connecting rod is provided with an external thread, and the sleeve is internally provided with an internal thread matched with the connecting rod.

Preferably, the sleeve is further provided with a holding sleeve.

Preferably, a hand wheel is arranged at one end, far away from the limiting mechanism, of the connecting rod.

The utility model has the advantages of it is following:

1. the utility model provides a pair of foreign matter subassembly is prevented in pipe machining, include: a conduit, a sleeve, a deployment mechanism, and a connecting rod. A pipe table is arranged on the pipeline; the sleeve is arranged in the pipeline through the pipe table, and a sliding sleeve is arranged on the sleeve and is suitable for relatively moving in the guide direction along the sleeve; the unfolding mechanism is arranged on the sleeve and comprises a plurality of supporting pieces, the supporting pieces are circumferentially arranged on the sliding sleeve at intervals and hinged with the sliding sleeve, and the supporting pieces are also provided with blocking sleeves suitable for blocking foreign matters; the connecting rod through connection the sleeve pipe, the one end of connecting rod is provided with stop gear, stop gear's one end and pipeline inner wall connection, stop gear is suitable for spacing to deployment mechanism.

The foreign matter subassembly is prevented in the pipe-machining of this structure through setting up stop gear in the pipeline to having solved and having influenced the processing of pipe stand terminal surface, having leaded to the problem of not being convenient for to use, it is further, in the foreign matter that processing produced can fall into the barrier sleeve, can directly not fall into the pipeline, this device simple structure, convenient operation has improved work efficiency, the effectual output that increases the product.

2. The foreign matter subassembly is prevented in the pipe-line working of this structure through be provided with on the sliding sleeve and hold the cover to make things convenient for operating personnel to snatch and grip, further, improved the practicality of this device, make things convenient for operating personnel to use and operate.

3. Foreign matter subassembly is prevented in the pipe machining of this structure through be provided with the hand wheel on the connecting rod to make things convenient for operating personnel to rotate the connecting rod, further, improved the practicality of this device, make things convenient for operating personnel to use and operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a foreign object prevention assembly for pipeline processing according to an embodiment of the present invention;

FIG. 2 is a schematic view of an embodiment of the present invention illustrating a foreign object prevention assembly for pipe machining;

FIG. 3 is a cross-sectional view of the foreign object prevention assembly for pipe processing according to an embodiment of the present invention;

FIG. 4 is a top view of the foreign object prevention assembly for pipe processing according to an embodiment of the present invention;

description of the reference numerals:

1. a pipeline; 11. a pipe table; 2. a sleeve; 3. a sliding sleeve; 4. a deployment mechanism; 41. a support member; 411. a first pole segment; 412. a second pole segment; 42. a blocking sleeve; 5. a connecting rod; 6. a limiting mechanism; 61. pressing a sleeve; 62. compressing the spring; 63. a pressure lever; 7. holding the sleeve; 8. hand wheel.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the present embodiment discloses a foreign object prevention assembly for pipe processing, including: a conduit 1, a casing 2, a deployment mechanism 4 and a connecting rod 5. The upper end face of the pipeline 1 is provided with a pipe table 11, and the pipe table 11 is communicated with the pipeline 1. The casing 2 is arranged in the pipeline 1 through the pipe table 11, the sliding sleeve 3 is arranged on the casing 2, and the sliding sleeve 3 can move relatively along the guiding direction of the casing 2. The unfolding mechanism 4 is arranged on the casing 2, the unfolding mechanism 4 comprises a plurality of supporting pieces 41, the plurality of supporting pieces 41 are circumferentially arranged on the sliding sleeve 3 at intervals and hinged with the sliding sleeve 3, and a blocking sleeve 42 for blocking foreign matters is further arranged on the outer side face, far away from the sliding sleeve 3, of the supporting piece 41. Connecting rod 5 runs through adapter sleeve 2, and the one end of connecting rod 5 is provided with stop gear 6, and stop gear 6's one end and 1 interior wall connection of pipeline, stop gear 6 are used for spacing deployment mechanism 4.

Preferably, four supporting members 41 are provided on the sliding sleeve 3. In other alternative embodiments, three or five support members 41 can be disposed on the sliding sleeve 3.

Further, as shown in fig. 2, the upper end of the sliding sleeve 3 is provided with a disk which is suitable for an operator to slide.

Furthermore, an external thread is arranged on the connecting rod 5, and an internal thread matched with the external thread of the connecting rod 5 is arranged in the sleeve 2.

Further, as shown in fig. 2, a holding sleeve 7 is further disposed on the casing 2, and the holding sleeve 7 is disposed at the upper end of the sliding sleeve 3.

Further, as shown in fig. 2, a hand wheel 8 which is convenient to rotate is fixedly arranged at the upper end of the connecting rod 5. Preferably, the connecting rod 5 is fixed with the hand wheel 8 by welding. In other alternative embodiments, the connecting rod 5 and the hand wheel 8 may be integrally formed or may be fixed by a pin.

Specifically, as shown in fig. 3, the supporting member 41 includes a first rod segment 411 and a second rod segment 412, one end of the first rod segment 411 is hinged to the sliding sleeve 3, the other end of the first rod segment 411 is hinged to the middle of the second rod segment 412, one end of the second rod segment 412 is hinged to the casing 2, and one end of the first rod segment 411 hinged to the sliding sleeve 3 can move vertically upward or downward along fig. 3 along with the movement of the sliding sleeve 3, so that the hinged end of the first rod segment 411 and the second rod segment 412 drives the second rod segment 412 to move vertically upward or downward along fig. 3.

Furthermore, as shown in fig. 3 and 4, the second rod section 412 is provided with a blocking sleeve 42 on its outer side facing away from the casing 2. The blocking sleeve 42 has a tapered structure, and the blocking sleeve 42 has elasticity.

Specifically, as shown in fig. 3, the limiting mechanism 6 includes a pressing sleeve 61, a pressing spring 62, and a pressing rod 63. The pressing rod 63 is of a T-shaped structure, a T-shaped head of the pressing rod 63 is vertically arranged downwards, and one end, upwards vertical, of the pressing rod 63 is fixedly connected with the connecting rod 5. An opening is formed in one end of the pressing sleeve 61, the pressing rod 63 is arranged in the pressing sleeve 61 through the open end of the pressing sleeve 61, and a bayonet used for limiting the T-shaped head of the pressing rod 63 is arranged at the open end of the pressing sleeve 61. The pressure spring 62 is arranged in the pressing sleeve 61, and two ends of the pressure spring 62 are fixedly connected with the bottom of the pressing sleeve 61 and the T-shaped head of the pressure lever 63 respectively.

The implementation principle of the embodiment is as follows:

an operator holds the holding sleeve 7 on the sleeve 2, moves the sliding sleeve 3 on the outer side of the sleeve 2 upwards, the sliding sleeve 3 drives the first rod section 411 to swing, the first rod section 411 drives the second rod section 412 to swing, the second rod sections 412 distributed in the annular shape at equal intervals are mutually closed, the second rod sections 412 drive the blocking sleeve 42 to be closed and close to the sliding sleeve 3, the blocking sleeve 42 passes through the pipe stand 11, the sliding sleeve 3 is reset by downwards moving, the blocking sleeve 42 is unfolded in the pipeline 1, the connecting rod 5 is driven to vertically rotate downwards by rotating the hand wheel 8, the connecting rod 5 drives the pressure rod 63 to move downwards, the pressure sleeve 61 moves downwards along with the pressure rod, the pressure sleeve 61 extrudes the lower inner wall of the pipeline 1 and enables the spring to be stressed and contracted, the second rod section 412 is matched to abut against the upper inner wall of the pipeline 1, and the blocking sleeve 42 is limited in the pipeline 1, when the pipe table 11 is machined, the generated metal chips can fall into the blocking sleeve 42 and can not directly fall into the pipeline 1.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims

1. A foreign matter subassembly is prevented in pipe machining, characterized in that includes:

the pipeline (1), the pipeline (1) is provided with a pipe table (11);

the pipeline comprises a casing (2) and a pipeline body, wherein the casing (2) is arranged in the pipeline (1) through a pipe table (11), a sliding sleeve (3) is arranged on the casing (2), and the sliding sleeve (3) is suitable for relatively moving along the guiding direction of the casing (2);

the unfolding mechanism (4) is arranged on the sleeve (2), the unfolding mechanism (4) comprises a plurality of supporting pieces (41), the supporting pieces (41) are circumferentially arranged on the sliding sleeve (3) at intervals and hinged with the sliding sleeve (3), and the supporting pieces (41) are also provided with blocking sleeves (42) suitable for blocking foreign matters;

connecting rod (5), through connection sleeve pipe (2), the one end of connecting rod (5) is provided with stop gear (6), the one end and the pipeline (1) inner wall connection of stop gear (6), stop gear (6) are suitable for spacingly to deployment mechanism (4).

2. The pipe machining foreign matter prevention assembly of claim 1, wherein:

the support (41) comprises a first rod section (411) and a second rod section (412), one end of the first rod section (411) is hinged to the sliding sleeve (3), the first rod section (411) is suitable for being matched with the sliding sleeve (3) to move, the other end of the first rod section (411) is hinged to the second rod section (412), one end of the second rod section (412) is hinged to the sleeve (2), and the second rod section (412) is suitable for being matched with the first rod section (411) to move.

3. The pipe machining foreign matter prevention assembly of claim 2, wherein:

the blocking sleeve (42) is arranged on the outer side face of the second rod section (412), and the blocking sleeve (42) is suitable for being unfolded through matching with the first rod section (411), the second rod section (412) and the sliding sleeve (3).

4. The pipe machining foreign matter prevention assembly of claim 1, wherein:

stop gear (6) are including pressing cover (61), pressure spring (62) and depression bar (63), depression bar (63) set up the one end at connecting rod (5), the one end of pressing cover (61) is provided with the opening, depression bar (63) are pressing in cover (61) through the opening setting, pressure spring (62) set up in pressing cover (61), the both ends of pressure spring (62) respectively with press cover (61) and depression bar (63) fixed connection.

5. The pipe machining foreign matter prevention assembly of claim 4, wherein:

the pressure lever (63) is of a T-shaped structure.

6. The pipe machining foreign matter prevention assembly according to claim 5, wherein:

one end of the opening of the pressing sleeve (61) is provided with a bayonet which is suitable for limiting the pressing rod (63).

7. The pipe machining foreign matter prevention assembly of claim 1, wherein:

the blocking sleeve (42) is of a conical structure.

8. The pipe machining foreign-object-prevention assembly according to any one of claims 1 to 7, wherein:

the outer surface of the connecting rod (5) is provided with an external thread, and the sleeve (2) is internally provided with an internal thread matched with the connecting rod (5).

9. The pipe machining foreign matter prevention assembly according to claim 8, wherein:

the sleeve (2) is also provided with a holding sleeve (7).

10. The pipe machining foreign matter prevention assembly of claim 9, wherein:

and a hand wheel (8) is arranged at one end of the connecting rod (5) far away from the limiting mechanism (6).