Active sealing and plugging equipment

Abstract

The utility model relates to the technical field of plugging equipment, and discloses active sealing plugging equipment which comprises an arc-shaped seat, a disc, a stepped column, an arc-shaped cover, an annular piece, a rubber ring, a sliding rail and a sliding block. In the using process, the device is connected with a driving arm and is fed into a pipeline by the driving arm. After the pipeline is fed, the arc-shaped cover firstly makes contact with the inner wall of the pipeline, and then the arc-shaped cover can move in the direction close to the arc-shaped base under the guiding and supporting effect of the stepped column. And then, under the support of a plurality of sliding rails, a plurality of sliding blocks can be pushed to press the rubber ring. And therefore, the rubber ring is in contact with the inner wall of the pipeline. In addition, in the pushing process of the driving arm, the axis of the device can be gradually overlapped with the axis of the pipeline. Therefore, the rubber ring is in contact with the whole inner wall of the pipeline, and the pipeline is plugged. Moreover, the device is simple in structure and does not need to be externally connected with an oil supply pipeline, so that the device can be conveniently fed into a pipeline through a driving arm and the like.

Description

Technical Field

[0001] This application relates to the field of sealing equipment technology, and in particular to an active sealing sealing device. Background Technology

[0002] A related technology (publication number: CN207569434U) discloses a hydraulic plugging device for an internal pipeline that does not require interruption of supply, including a plugging head and a plugging head mounting base installed in a plugging manifold. A plugging cylinder is installed at the upper end of the plugging manifold, and the piston rod of the plugging cylinder is connected to the upper part of the plugging head mounting base. The plugging cylinder is connected to a hydraulic power source. A tensioning hydraulic cylinder is installed in the plugging head, and the tensioning piston rod of the tensioning hydraulic cylinder is connected to the plugging head mounting base via a swing shaft. The plugging head includes a plugging head guide body, a sealing cup, and a cup tensioning body. The plugging head guide body is a hemisphere and is fixed to the hydraulic cylinder end cap of the tensioning hydraulic cylinder by bolts. The cup tensioner is an arc-shaped body, and its rear end face is connected to the tensioning piston rod by bolts. The front outer wall of the cup tensioner is a tapered slope that matches the inner slope of the inner wall of the sealing cup and is inserted into the sealing cup. The sealing cup is fixed outside the hydraulic cylinder sleeve of the tensioning hydraulic cylinder by the cup pressure plate and bolts, so that the sealing cup is located between the hydraulic cylinder sleeve and the cup tensioner.

[0003] In the process of implementing the technical solution disclosed herein, at least the following problems were found in the related technologies:

[0004] The hydraulic sealing device inside the shut-off pipeline works by injecting or withdrawing hydraulic oil, causing the sealing cup to expand or retract along the conical inclined surface of the outer wall of the cup's tensioning body. This allows the sealing cup to come into contact with or separate from the interior of the pipeline to be sealed, thus sealing or removing it. However, an external oil supply line is required, resulting in a complex device structure and making it inconvenient to insert the device into the pipeline using a drive arm or similar means.

[0005] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] To provide a basic understanding of some aspects of the disclosed technical solutions, a brief summary is given below. This summary is not a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these technical solutions, but rather serves as a prelude to the detailed explanations that follow.

[0007] This disclosure provides an active sealing and plugging device to solve the problems mentioned in the background art.

[0008] In some technical solutions, the active sealing and plugging device includes: an arc-shaped seat, the arc-shaped seat comprising a frustum-shaped component, a cylindrical protrusion, and a circular groove coaxially distributed, the cylindrical protrusion being connected to the top surface of the frustum-shaped component, and the circular groove being located on the top surface of the cylindrical protrusion and extending into the interior of the frustum-shaped component; a disc, mounted on the top surface of the cylindrical protrusion, the disc including a through hole coaxially distributed with the arc-shaped seat, the diameter of the through hole being smaller than the diameter of the circular groove; and a stepped column, slidably mounted in the circular groove, and slidably... The following components are provided: a through hole; an arc-shaped cover installed at the top of the stepped column; an annular component slidably fitted onto the outer wall of the cylindrical protrusion and the disc; a rubber ring fitted onto the outer wall of the cylindrical protrusion and located between the annular component and the frustum-shaped component; slide rails evenly installed on the outer surface of the annular component; and sliders slidably installed on each of the slide rails and located between the arc-shaped cover and the rubber ring. When the stepped column slides relative to the arc-shaped seat, the multiple sliders slide relative to the multiple slide rails.

[0009] Optionally, the disk includes: a first circular plate mounted on the top surface of the cylindrical protrusion; and a second circular plate connected to the bottom surface of the first circular plate and fitting against the inner wall of the circular groove; wherein the through hole is located at the center of the first circular plate and the second circular plate.

[0010] Optionally, it also includes bolts, which are evenly distributed through the first circular plate and threadedly connected to the cylindrical protrusions.

[0011] Optionally, the stepped column includes: a first cylinder slidably installed inside the circular groove; a second cylinder slidably passing through the through hole and connected to the first cylinder; wherein the arc-shaped cover is installed on the top of the second cylinder.

[0012] Optionally, the slide rail has an isosceles trapezoidal cross-section; the slider has a trapezoidal notch in its cross-section, the size of which matches the size of the isosceles trapezoid.

[0013] Optionally, it also includes screws, which are respectively inserted through the plurality of sliders and are all threadedly connected to the annular member.

[0014] Optionally, it further includes: pads, which are evenly installed on the bottom surface of the arc-shaped cover and respectively abut against the plurality of sliders.

[0015] Optionally, it further includes: a first support, mounted on the bottom surface of the arc-shaped seat, for connection with the drive arm.

[0016] Optionally, it further includes: a second support, mounted on the top surface of the arc-shaped cover; and a roller, rotatably mounted on the second support, for abutting against the inner wall of the pipe.

[0017] The active sealing and plugging device provided by this disclosure can achieve the following technical effects:

[0018] This disclosure provides an active sealing and plugging device, comprising an arc-shaped seat, a disc, a stepped column, an arc-shaped cover, an annular component, a rubber ring, a slide rail, and a slider. The arc-shaped seat includes a frustum-shaped component, a cylindrical protrusion, and a circular groove coaxially distributed. The cylindrical protrusion is connected to the top surface of the frustum-shaped component and supports the annular component and the rubber ring. The circular groove is located on the top surface of the cylindrical protrusion and extends into the interior of the frustum-shaped component, supporting the slidable stepped column. The disc is mounted on the top surface of the cylindrical protrusion and serves as a limiting element. The disc includes a through hole coaxially distributed with the arc-shaped seat, the diameter of which is smaller than the diameter of the circular groove, to limit the stepped column. The stepped column is slidably mounted in the circular groove and slidably passes through the through hole, allowing it to slide relative to the circular groove and the through hole. The arc-shaped cover is mounted on the top of the stepped column and moves synchronously with the stepped column. The annular component is slidably fitted onto the outer wall of the cylindrical protrusion and the disc, allowing it to slide relative to the curved protrusion and the disc. A rubber ring is fitted onto the outer wall of the cylindrical protrusion and located between the annular component and the frustum-shaped component, serving to abut against the inner wall of the pipe. Slide rails are evenly installed on the outer surface of the annular component, each supporting a slidable slider. Each slider is slidably mounted on each slide rail, located between the curved cover and the rubber ring, and presses against the rubber ring under the push of the curved cover. Specifically, when the stepped column slides relative to the curved seat, multiple sliders slide relative to multiple slide rails.

[0019] This disclosure provides an active sealing and plugging device that utilizes the extensibility of rubber and mechanical principles to achieve the purpose of sealing by expanding and contracting the rubber. During use, it is connected to a drive arm and is inserted into a pipeline by the drive arm. Upon insertion, the arc-shaped cover first contacts the inner wall of the pipeline, and then, guided and supported by stepped columns, moves towards the arc-shaped seat. Then, supported by multiple slide rails, multiple sliders push the rubber ring, causing it to expand and contact the inner wall of the pipeline. Furthermore, during the push of the drive arm, the axis of the device gradually coincides with the axis of the pipeline, thus ensuring that the rubber ring contacts the entire inner wall of the pipeline, completing the sealing work. The device has a simple structure and requires no external oil supply line, making it easy to insert into the pipeline using a drive arm or similar means.

[0020] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0021] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0022] Figure 1 This is a schematic diagram of the main structure of an active sealing and plugging device provided in an embodiment of this disclosure;

[0023] Figure 2 This is a cross-sectional view of an active sealing and plugging device provided in an embodiment of this disclosure;

[0024] Figure 3 yes Figure 2 Enlarged structural diagram at point A;

[0025] Figure 4 This is a side view of an active sealing and plugging device provided in an embodiment of this disclosure;

[0026] Figure 5 yes Figure 4 Schematic diagram of the cross-sectional structure at point BB;

[0027] Figure 6 This is a three-dimensional structural diagram of an active sealing and plugging device provided in an embodiment of this disclosure.

[0028] Figure label:

[0029] 10: Arc-shaped seat; 11: Frustum-shaped component; 12: Columnar protrusion; 13: Circular groove; 20: Circular disk; 21: First circular plate; 22: Second circular plate; 30: Stepped column; 31: First cylinder; 32: Second cylinder; 40: Arc-shaped cover; 50: Ring component; 60: Rubber ring; 70: Slide rail; 80: Slider; 90: Pad; 100: First support; 110: Second support; 120: Roller. Detailed Implementation

[0030] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0031] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0032] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better describing the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this disclosure according to the specific circumstances.

[0033] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0034] Unless otherwise stated, the term "multiple" means two or more.

[0035] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0036] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0038] Combination Figures 1 to 6As shown, this disclosure provides an active sealing and plugging device, including an arc-shaped seat 10, a disc 20, a stepped column 30, an arc-shaped cover 40, an annular component 50, a rubber ring 60, a slide rail 70, and a slider 80. The arc-shaped seat 10 includes a frustum-shaped component 11, a cylindrical protrusion 12, and a circular groove 13 coaxially distributed. The cylindrical protrusion 12 is connected to the top surface of the frustum-shaped component 11 and supports the annular component 50 and the rubber ring 60. The circular groove 13 is located on the top surface of the cylindrical protrusion 12 and extends into the interior of the frustum-shaped component 11, supporting the slidable stepped column 30. The disc 20 is mounted on the top surface of the cylindrical protrusion 12 and serves as a limiting element. The disc 20 includes a through hole coaxially distributed with the arc-shaped seat 10, the diameter of which is smaller than the diameter of the circular groove 13, to limit the stepped column 30. The stepped column 30 is slidably mounted on the circular groove 13 and slidably inserted through the through hole, allowing it to slide relative to the circular groove 13 and the through hole. An arc-shaped cover 40 is mounted on the top of the stepped column 30 and moves synchronously with it. An annular member 50 is slidably fitted onto the outer wall of the cylindrical protrusion 12 and the disc 20, allowing it to slide relative to the arc-shaped protrusion and the disc 20. A rubber ring 60 is fitted onto the outer wall of the cylindrical protrusion 12 and is located between the annular member 50 and the frustum-shaped member 11, serving to abut against the inner wall of the pipe. Slide rails 70 are evenly mounted on the outer surface of the annular member 50, supporting the slidable sliders 80. Each slider 80 is slidably mounted on each slide rail 70 and is located between the arc-shaped cover 40 and the rubber ring 60, pressing down on the rubber ring 60 under the push of the arc-shaped cover 40. When the stepped column 30 slides relative to the arc-shaped seat 10, the multiple sliders 80 slide relative to the multiple slide rails 70.

[0039] This disclosure provides an active sealing and plugging device that utilizes the extensibility of rubber and mechanical principles to achieve the purpose of sealing by expanding and contracting the rubber. During use, it is connected to a drive arm and is inserted into a pipeline by the drive arm. Upon insertion, the arc-shaped cover 40 first contacts the inner wall of the pipeline, and then, guided and supported by the stepped column 30, moves towards the arc-shaped seat 10. Then, supported by multiple slide rails 70, multiple sliders 80 are pushed to press the rubber ring 60. This causes the rubber ring 60 to expand, thus bringing it into contact with the inner wall of the pipeline. Furthermore, during the push of the drive arm, the axis of the device gradually coincides with the axis of the pipeline, thereby bringing the rubber ring into contact with the entire inner wall of the pipeline, completing the sealing work. Moreover, the device has a simple structure and does not require external oil supply lines, making it easy to insert into the pipeline using a drive arm or similar means.

[0040] Optionally, combined Figure 2 and Figure 3As shown, the disk 20 includes a first circular plate 21 and a second circular plate 22. The first circular plate 21 is mounted on the top surface of the cylindrical protrusion 12. The second circular plate 22 is connected to the bottom surface of the first circular plate 21 and fits against the inner wall of the circular groove 13. A through hole is located at the center of the first circular plate 21 and the second circular plate 22.

[0041] In this embodiment, the disk 20 includes a first circular plate 21 and a second circular plate 22 connected together. The second circular plate 22 serves as a limiting element to facilitate mounting the first circular plate 21 onto the top surface of the cylindrical protrusion 12.

[0042] Optionally, combined Figure 2 , Figure 3 and Figure 5 As shown, it also includes bolts. The bolts are evenly distributed through the first circular plate 21 and are threaded to the cylindrical protrusions 12.

[0043] In this embodiment, bolts are also evenly distributed through the first circular plate 21 and threadedly connected to the cylindrical protrusions 12. The threaded connection method offers advantages such as stable connection and ease of disassembly.

[0044] Optionally, combined Figure 2 As shown, the stepped column 30 includes a first cylinder 31 and a second cylinder 32. The first cylinder 31 is slidably mounted inside the circular groove 13. The second cylinder 32 is slidably inserted through the through hole and connected to the first cylinder 31. An arc-shaped cap 40 is mounted on the top of the second cylinder 32.

[0045] In this embodiment, the stepped column 30 includes a first cylinder 31 and a second cylinder 32 connected together. The first cylinder 31 and the second cylinder 32 can slide relative to the circular groove 13 and the through hole, respectively, and while being limited by the disc 20, they can drive the arc-shaped cover 40 to move.

[0046] Optionally, combined Figure 5 As shown, the cross-section of the slide rail 70 is an isosceles trapezoid. The cross-section of the slider 80 includes a trapezoidal notch, the size of which matches the size of the isosceles trapezoid.

[0047] In this embodiment of the disclosure, the design of the slide rail 70 with an isosceles trapezoidal cross section and the design of the slider 80 with a trapezoidal notch in cross section can prevent the slider 80 from falling off the slide rail 70 when the slider 80 slides relative to the slide rail 70.

[0048] Optionally, combined Figure 2 , Figure 3 and Figure 5 As shown, it also includes screws. The screws are respectively inserted through multiple sliders 80 and are all threadedly connected to the annular member 50.

[0049] In this embodiment, screws are also included, each passing through a plurality of sliders 80 and threadedly connected to the annular member 50. The threaded connection method offers advantages such as stable connection and ease of disassembly.

[0050] Optionally, combined Figure 2 and Figure 3 As shown, it also includes pads 90. The pads 90 are evenly installed on the bottom surface of the arc-shaped cover 40 and abut against multiple sliders 80 respectively.

[0051] In this embodiment, the system further includes pads 90 evenly mounted on the bottom surface of the arc-shaped cover 40 and abutting against the plurality of sliders 80. The pads 90 are used to support the left and right sides, so as to push the plurality of sliders 80 to slide relative to the plurality of slide rails 70.

[0052] Optionally, combined Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, it also includes a first support 100. The first support 100 is mounted on the bottom surface of the arc-shaped seat 10 and is used to connect to the drive arm.

[0053] In this embodiment, a first support 100 is also included, which is mounted on the bottom surface of the arc-shaped base 10. The first support 100 is used to connect to the drive arm so as to facilitate the mounting of the entire device onto the drive arm.

[0054] Optionally, combined Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, it also includes a second support 110 and a roller 120. The second support 110 is mounted on the top surface of the arc-shaped cover 40. The roller 120 is rotatably mounted on the second support 110 for abutting against the inner wall of the pipe.

[0055] In this embodiment, a second support 110 is mounted on the top surface of the arc-shaped cover 40, and a roller 120 is rotatably mounted on the second support 110. The roller 120 is used to abut against the inner wall of the pipe to reduce friction.

[0056] The foregoing description and accompanying drawings have fully illustrated embodiments of this disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of this disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. An active seal plugging apparatus, characterized by, include: An arc-shaped seat includes a frustum-shaped component, a cylindrical protrusion, and a circular groove distributed along a coaxial axis. The cylindrical protrusion is connected to the top surface of the frustum-shaped component, and the circular groove is located on the top surface of the cylindrical protrusion and extends into the interior of the frustum-shaped component. A disc is mounted on the top surface of the cylindrical protrusion. The disc includes through holes distributed coaxially with the arc-shaped seat, and the diameter of the through holes is smaller than the diameter of the circular groove. A stepped column is slidably installed in the circular groove and slidably passed through the through hole; An arc-shaped cover is installed at the top of the stepped column; A ring-shaped component, which is slidably fitted onto the outer wall of the cylindrical protrusion and the disk; A rubber ring is fitted onto the outer wall of the cylindrical protrusion and is located between the annular component and the frustum-shaped component; Slide rails are evenly installed on the outer surface of the annular component; The sliders are slidably mounted on each of the slide rails and are located between the arc-shaped cover and the rubber ring; When the stepped column slides relative to the arc-shaped seat, the plurality of sliders slide relative to the plurality of slide rails respectively.

2. The active seal plugging apparatus of claim 1, wherein, The disk includes: The first circular plate is installed on the top surface of the cylindrical protrusion; The second circular plate is connected to the bottom surface of the first circular plate and fits against the inner wall of the circular groove; The through hole is located at the center of the first circular plate and the second circular plate.

3. An active seal plugging apparatus according to claim 2, wherein, Also includes: Bolts are evenly inserted into the first circular plate and are threaded onto the cylindrical protrusions.

4. The active seal plugging apparatus of claim 1, wherein, The stepped column includes: The first cylinder is slidably mounted inside the circular groove; The second cylinder is slidably inserted through the through hole and connected to the first cylinder; The arc-shaped cover is installed at the top of the second cylinder.

5. The active sealing and plugging device according to claim 1, characterized in that: The cross-section of the slide rail is an isosceles trapezoid; The cross-section of the slider includes a trapezoidal notch, the size of which matches the size of the isosceles trapezoid.

6. An active seal plugging apparatus according to any one of claims 1 to 5, wherein, Also includes: Screws are respectively inserted into the plurality of sliders and are all threadedly connected to the annular component.

7. An active seal plugging apparatus according to any one of claims 1 to 5, wherein, Also includes: The pads are evenly installed on the bottom surface of the arc-shaped cover and abut against the multiple sliders respectively.

8. An active sealing and plugging device according to any one of claims 1 to 5, characterized in that, Also includes: The first support is installed on the bottom surface of the arc-shaped seat and is used to connect to the drive arm.

9. An active seal plugging apparatus according to any one of claims 1 to 5, wherein, Also includes: The second support is installed on the top surface of the arc-shaped cover; The roller is rotatably mounted on the second support and is used to abut against the inner wall of the pipe.

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