Temporary plugging device for pipeline

Abstract

The temporary plugging device comprises a front sealing plate, a rear sealing plate and a grating frame, the front sealing plate and the rear sealing plate are correspondingly attached to the two axial ends of the grating frame respectively so as to seal the grating frame, the grating frame is provided with a magnetic part, and the magnetic part is arranged on the grating frame. The grating frame is attracted to the inner wall face of the pipeline through the magnetic pieces so as to seal the pipeline. According to the temporary plugging device for the pipeline, the grating frame can be effectively attracted to the inner wall face of the pipeline through the magnetic piece of the grating frame, temporary plugging of the pipeline is achieved through the cooperation of the front plugging plate and the rear plugging plate, meanwhile, due to the arrangement of the locking tongs, fixing of the grating frame is further achieved, and the temporary plugging device for the pipeline is convenient to use. And the plugging device can be applied to various different types of pipelines, so that the practicability of the device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, and relates to a temporary plugging device for a pipeline. BACKGROUND

[0002] In the construction process of municipal heat pipelines, the pipeline length is relatively long, several kilometers at the shortest and several tens of kilometers at the longest, the construction period is relatively long, and the pipelines are mostly buried, which leads to the fact that the end of the pipeline is in an open state before the construction is completed. However, after the workers finish work every day, the end of the pipeline is mostly not plugged, which leads to the fact that small animals or people throw garbage into the pipeline, and the construction is affected. Alternatively, the pipeline is plugged by spot welding a steel plate to prevent small animals and people from throwing garbage into the pipeline. However, the plugging process is complex, and the pipeline made of some materials cannot be directly welded. Therefore, there is no simple and practical plugging device after the pipeline construction is started.

[0003] To solve the above problems, a temporary plugging device is needed, which can effectively plug the pipeline. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a temporary plugging device for a pipeline. The magnetic member of the grid frame can effectively adsorb the grid frame on the inner wall surface of the pipeline. In combination with the front and rear plugging plates, the temporary plugging of the pipeline is realized. In addition, the setting of the locking gripper further realizes the fixation of the grid frame and ensures that the plugging device can be used for various types of pipelines, thereby enhancing the practicability of the device.

[0005] The utility model discloses a temporary plugging device for pipeline, including front seal board, rear seal board and grid frame, front seal board and rear seal board respectively correspond with the two ends of the axial adhesion of grid frame to close grid frame, grid frame is provided with magnetic member, grid frame is adsorbed on the inner wall surface of pipeline through magnetic member to close pipeline.

[0006] Further, the locking gripper is arranged on the rear seal plate, and the locking gripper has a locking section. The locking gripper can be controlled to rotate, so that the locking section is driven to the outside of the rear seal plate or is withdrawn into the projection plane of the axial direction of the rear seal plate.

[0007] Further, the grid frame is a radially closed annular structure, and a plurality of magnetic members are uniformly arranged along the circumferential direction of the grid frame.

[0008] Further, a plurality of grid bars are arranged along the circumferential direction of the grid frame, and the circumferential direction of any magnetic member is provided with a grid bar on both sides.

[0009] Further, the locking gripper comprises a driving plate, the driving plate has a fixed end and a driving end, the fixed end is installed on the rotating driving shaft, and the locking section is fixedly arranged on the driving end of the driving plate.

[0010] Further, the locking gripper comprises a driving plate, the driving plate has a fixed end and a driving end, the fixed end is installed on the rotating driving shaft, and the locking section is fixedly arranged on the driving end of the driving plate.

[0011] Further, the locking section comprises a connecting plate and a clamping plate arranged perpendicularly, the connecting plate is connected with the driving end of the driving plate, and the clamping plate is arranged parallel to the driving plate.

[0012] Further, the end of the clamping plate is in the form of an outwardly protruding arc structure.

[0013] Further, the locking gripper is uniformly arranged along the axial direction of the rear end plate.

[0014] Further, the front end plate and the rear end plate are made of magnetic conductive material, and the front end plate and the rear end plate are adapted to the grid frame.

[0015] The utility model discloses the beneficial effects of:

[0016] The utility model discloses a kind of temporary plugging device for pipeline, the magnetic piece of grid frame can make grid frame effectively adsorb on the inner wall surface of pipeline, cooperate front, rear baffle, realized the temporary plugging of pipeline, simultaneously, the setting of locking gripper, not only further realizes the fixation of grid frame, also ensure that the plugging device of the utility model can be used in various different types of pipeline, enhanced the practicality of device.

[0017] The utility model is simple and easy to implement, municipal heat is mostly steel pipe, adopts magnet and mechanical mode to plugging pipeline, after daily construction is completed, plugging pipeline using this device, simple and fast, guarantee that pipeline enters small animal and other rubbish, provide guarantee for later normal operation;Simultaneously, for non-steel pipe or uneven inner wall pipeline (such as bellows), the utility model can also be fixed by locking gripper to complete the temporary plugging of pipeline, more extensive in application range. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure front view when the locking gripper of the utility model is unfolded;

[0019] Figure 2 It is the structure front view when the locking gripper of the utility model is retracted;

[0020] Figure 3 It is Figure 1 Sectional view at A-A

[0021] Figure 4 The position of the magnetic member of the utility model is shown in the schematic view. DETAILED DESCRIPTION

[0022] It should be noted that in the description of the present application, the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the present embodiment, the front is the side facing the inside of the pipeline, the rear is the side away from the pipeline, and the outer side is the direction away from the center of the grid frame. This is understood by those skilled in the art and will not be described here.

[0023] As shown in the drawings, the utility model discloses a kind of temporary plugging device for pipeline, including front sealing plate, rear sealing plate and grid frame 4, the front sealing plate and rear sealing plate are respectively attached to the axial both ends of the grid frame 4 to close the grid frame 4, the grid frame 4 is provided with magnetic member 5, the grid frame 4 is attached to the inner wall of pipeline by the magnetic member 5 to close pipeline.In the present embodiment, it also includes locking gripper 3, the locking gripper 3 is arranged on the rear sealing plate, the locking gripper 3 has locking section 7, the locking gripper 3 can be controlled to rotate, so that the locking section 7 is driven to the outside of rear sealing plate or is withdrawn to the axial projection plane of rear sealing plate.In the present embodiment, grid frame 4 is the main supporting part of plugging device, magnetic member 5 is arranged in its inside, so that grid frame 4 can be attached to the inner wall of pipeline of metal material, realizes the preliminary fixation of grid frame 4 in pipeline, and the front plugging plate 8 and rear plugging plate 1 are respectively arranged on the two sides of grid frame 4, and in the present embodiment, front end plate and rear end plate are made of magnetic conductive material, the front end plate and rear end plate are conformal with the grid frame 4, so design ensures the plugging of pipeline, and also protects grid frame 4 and magnetic member 5 in grid frame 4.Because there is certain dimensional error in the manufacture of pipeline of same size, locking gripper 3 is also arranged on rear plugging plate 1 in the present embodiment, and locking gripper 3 can be controlled to rotate to extend to the outside of rear plugging plate 1, in the present embodiment, the locking gripper 3 is evenly provided with four along the axial direction of the rear end plate. Figure 1 As shown, after rotating to unfold, locking gripper 3 can be supported on the inner wall of pipeline, to compensate the situation of not firm installation caused by dimensional error, and also can be firmly clamped in pipeline for such as corrugated pipe, to ensure that temporary plugging of pipeline is effective, when temporary plugging needs to be released, rotate locking gripper 3, so that locking gripper 3 is withdrawn to the axial projection plane of rear sealing plate, and the front sealing plate and rear sealing plate are separated from the grid frame 4, so that the grid frame 4 is separated from the pipeline, and the pipeline is opened. Figure 2The rear blocking plate 1 corresponds to the plane, that is, the projection plane of the rear blocking plate 1 in the axial direction, and the locking gripper 3 can also be used as a handle to assist in removing the entire blocking device.

[0024] In the embodiment, the grid frame 4 is a radially closed annular structure, and a plurality of magnetic members 5 are uniformly arranged along the circumference of the grid frame 4. In the embodiment, the grid frame 4 is provided with a plurality of grid bars 9 along the circumference, and the two sides of the circumference of any magnetic member 5 are provided with a grid bar 9. As shown in the figure, the grid bar 9 is arranged to limit the isolation of the magnetic member 5, to ensure that the magnetic members 5 are independent of each other and uniformly distributed, thereby ensuring the adsorption effect. In the embodiment, because the magnetic members 5 are arranged relatively densely, two adjacent magnetic members 5 share one grid bar 9, as shown in the figure, that is, there is only one grid bar 9 between the two adjacent magnetic members 5. Such an arrangement can not only ensure the isolation of the magnetic members 5, but also reduce the weight and simplify the structure. Figure 4

[0025] In the embodiment, a rotary drive shaft 2 is further included, the rotary drive shaft 2 is rotationally arranged on the rear blocking plate, and the locking gripper 3 is installed on the rotary drive shaft 2. In the embodiment, the rotary drive shaft 2 is a locking bolt, and a nut is arranged on the surface of the rear blocking plate 1 corresponding to the rotary drive shaft 2. The locking bolt and the nut are both self-locking threads. In use, the locking gripper 3 is fixedly installed on the rotary drive shaft 2, and then the rotary drive shaft 2 is installed on the rear blocking plate 1 through threaded connection. Subsequently, the rotary drive shaft 2 can be directly rotated to operate the locking gripper 3.

[0026] In the embodiment, the locking gripper 3 includes a driving plate 6, the driving plate 6 has a fixed end and a driving end, the fixed end is installed on the rotary drive shaft 2, and the locking section 7 is fixedly arranged on the driving end of the driving plate 6. In the embodiment, the locking section 7 includes a connecting plate and a clamping plate arranged perpendicularly to each other, the connecting plate is connected to the driving end of the driving plate 6, and the clamping plate is arranged parallel to the driving plate 6. As shown in the figure, the entire locking gripper 3 has a "Z" type structure, and the end of the clamping plate in the locking section 7 has an outwardly protruding arc-shaped structure as shown in the figure, which can further enhance the reliability of clamping.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application. The modifications and equivalents should be included in the scope of the claims of the present application.​

Claims

1. A temporary plugging device for a pipe, characterized in that: The application relates to a pipeline sealing device, which comprises a front sealing plate, a rear sealing plate and a grid frame, the front sealing plate and the rear sealing plate are respectively attached to the two axial ends of the grid frame to seal the grid frame, the grid frame is provided with magnetic members, the grid frame is adsorbed to the inner wall of a pipeline through the magnetic members to seal the pipeline.

2. Temporary plugging device for pipes according to claim 1, characterized in that: The pipeline sealing device further comprises a locking gripper, the locking gripper is arranged on the rear sealing plate, the locking gripper has a locking section, the locking gripper can be rotated to drive the locking section to the outside of the rear sealing plate or to retract into the axial projection plane of the rear sealing plate.

3. Temporary plugging device for pipes according to claim 1, characterized in that: The grid frame is a radially closed annular structure, and the grid frame is uniformly provided with a plurality of magnetic members along the circumference.

4. Temporary plugging device for pipes according to claim 3, characterized in that: The grid frame is provided with a plurality of grid strips along the circumference, and the two sides of the circumference of any magnetic member are provided with grid strips.

5. The temporary plugging device for a pipeline according to claim 2, characterized in that: The pipeline sealing device further comprises a rotary drive shaft, the rotary drive shaft can be rotationally arranged on the rear sealing plate, and the locking gripper is mounted on the rotary drive shaft.

6. Temporary plugging device for pipes according to claim 5, characterized in that: The locking gripper comprises a driving plate, the driving plate has a fixed end and a driving end, the fixed end is mounted on the rotary drive shaft, and the locking section is fixedly arranged on the driving end of the driving plate.

7. Temporary plugging device for pipes according to claim 6, characterized in that: The locking section comprises a connecting plate and a clamping plate which are arranged perpendicularly to each other, the connecting plate is connected to the driving end of the driving plate, and the clamping plate is arranged parallel to the driving plate.

8. Temporary plugging device for pipes according to claim 7, characterized in that: The end of the clamping plate is in the form of an outwardly protruding arc structure.

9. The temporary plugging device for a pipeline of claim 2, wherein: The locking gripper is uniformly provided with a plurality of locking sections along the axial direction of the rear sealing plate.

10. The temporary plugging device for a pipeline of claim 1, wherein: The front sealing plate and the rear sealing plate are made of magnetic conductive material, and the front sealing plate and the rear sealing plate are adapted to the grid frame.

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