CN218946431U

CN218946431U - Small-size pipeline tapping machine and pipeline trompil, plugging structure

Info

Publication number: CN218946431U
Application number: CN202223156137.5U
Authority: CN
Inventors: 袁美琴; 宋新文; 钟小春
Original assignee: Taitat Changlin Pipeline Technology (jiangxi) Co ltd
Current assignee: Taitat Changlin Pipeline Technology (jiangxi) Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-02
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the field of pipeline non-stop transmission pressurized plugging construction, in particular to a small pipeline tapping machine and a pipeline tapping and plugging structure.

Description

Small-size pipeline tapping machine and pipeline trompil, plugging structure

Technical Field

The utility model relates to the field of pipeline non-stop pressurized plugging construction, in particular to a small pipeline tapping machine and a pipeline tapping and plugging structure.

Background

The existing steel conveying pipelines are more and more, and various calibers are involved, however, in the pipeline maintenance and repair under-pressure construction operation, the existing under-pressure plugging technology is mainly aimed at pipelines with large calibers, and the existing tapping machine is complex in structure for pipelines below DN50, when the pipeline with gas is subjected to gas tapping operation, most of the pipeline with DN50 is tapped by using a hydraulic power tapping machine, manual tapping cannot be realized, the manual tapping is inconvenient for workers, and the existing tapping machine only can simply tap holes, so that other tools are required to be replaced when the pipeline with DN50 is plugged and plugged, and the operation is inconvenient, so that maintenance and repair operation of the pipeline below DN50 is very difficult.

Aiming at the defects of the existing pipeline below DN50 in maintenance and repair work, the utility model provides a tapping machine, a pipeline tapping and plugging structure which are applicable to pressurized plugging in the pipeline below DN50 in maintenance and repair work.

Disclosure of Invention

The present utility model is directed to solving the technical problems provided in the background art described above. The aim and the effect of the utility model are achieved by the following specific technical means:

the utility model provides a small pipeline tapping machine which comprises a drill rod, a machine base and a nut sleeve, wherein the machine base is tubular and sleeved on the drill rod, a sealing structure is arranged between the lower end of the machine base and the drill rod, the drill rod can slide up and down in the machine base, the outer side of the upper end of the machine base is in threaded connection with the tubular nut sleeve, the top end of the nut sleeve is fixedly provided with a tubular feeding sleeve, a bearing is arranged between the feeding sleeve and the drill rod, the top end of the drill rod extends out of the feeding sleeve, and a rocking handle is fixed above the drill rod.

Preferably, a tubular sheath is arranged outside the machine base, and the sheath wraps and protects the joint of the nut sleeve and the machine base and the following parts.

Preferably, the surface of the nut sleeve is provided with scales.

The utility model provides a pipeline perforating structure, which comprises a small pipeline perforating machine, and further comprises a pipeline, a three-way pipe fitting, a ball valve, a connecting box and a perforating drill bit, wherein the three-way pipe fitting is formed by combining two halves, the three-way pipe fitting is hooped on the pipeline needing perforating, the upper end of the three-way pipe fitting is connected with the ball valve in a sealing way, the upper end of the ball valve is connected with the connecting box in a sealing way, the upper end of the connecting box is connected with the bottom end of a machine seat in a sealing way, the lower end of a drill rod is connected with the perforating drill bit, a feeding sleeve is rotated to enable the drill rod to extend out, the perforating drill bit is arranged at the pipeline, and a rocking handle and the feeding sleeve are rotated to realize perforating while feeding.

The utility model provides a pipeline plugging structure, which comprises a small pipeline tapping machine, and further comprises a pipeline, a three-way pipe fitting, a ball valve, a connecting box and a plugging head, wherein the three-way pipe fitting is formed by combining two halves, the hoop is arranged on the pipeline needing to be tapped, the upper end of the three-way pipe fitting is in sealing connection with the ball valve, the upper end of the ball valve is in sealing connection with the connecting box, the upper end of the connecting box is in sealing connection with the bottom end of a machine seat, the lower end of a drill rod is connected with the plugging head, the drill rod extends out by rotating the feeding sleeve, and the plugging head is arranged in the pipeline to realize plugging.

Preferably, the front end of the blocking head is arc-shaped, and the blocking head is made of silica gel.

Preferably, the plugging head is provided with a diversion trench facing the pipeline fluid direction, and the side surface of the connecting box is connected with a bypass valve.

The utility model provides a pipeline plugging structure, which comprises a small pipeline tapping machine, and further comprises a pipeline, a three-way pipe fitting, a ball valve, a connecting box and a plug, wherein the three-way pipe fitting is formed by combining two halves, the hoop is arranged on the pipeline needing to be tapped, the upper end of the three-way pipe fitting is in sealing connection with the ball valve, the upper end of the ball valve is in sealing connection with the connecting box, the upper end of the connecting box is in sealing connection with the bottom end of a machine seat, the lower end of a drill rod is connected with the plug, the drill rod extends out by rotating a feeding sleeve, the plug is arranged in the three-way pipe fitting, and the plug is in threaded connection with the three-way pipe fitting to realize the plugging.

Preferably, the three-way pipe fitting further comprises a sealing gasket and a blind cover, wherein the blind cover is in threaded connection with the top of the three-way pipe fitting, and the sealing gasket is arranged between the top of the three-way pipe fitting and the blind cover.

Advantageous effects

The utility model provides a small pipeline tapping machine, which is characterized in that a feeding sleeve is rotated to feed a drill rod when the small pipeline tapping machine is used, a rocking handle is rotated to realize rotation of the drill rod, tapping can be realized when the drill rod is assembled to tap a tapping drill bit, plugging can be realized by screwing or taking out a plug when the drill rod is assembled to plug, and pipeline non-stop plugging can be realized when the drill rod is assembled to plug.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view showing a half-section of the upper half structure of the tapping machine of the present utility model.

Fig. 3 is a schematic diagram of a cross-sectional structure of a lower half of the pipe plugging structure according to the present utility model.

Fig. 4 is a schematic view of a cross-sectional structure of an open-hole drill according to the present utility model.

FIG. 5 is a schematic illustration of a cross-sectional structure of a plug according to the present utility model.

Fig. 6 is a sectional view of the pipe plugging structure according to the present utility model.

In fig. 1 to 6, the correspondence between the component names and the reference numerals is:

the drilling machine comprises a drilling rod 1, a rocking handle 101, a machine base 2, a sealing structure 201, a nut sleeve 3, a feeding sleeve 301, a sheath 4, a connecting box 5, a ball valve 6, a tee pipe fitting 7, a blocking head 8, a diversion groove 801, a drilling bit 9, a blocking head 10, a sealing pad 11 and a blind cover 12.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to 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 thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1-3: the utility model provides a small pipeline tapping machine which comprises a drill rod 1, a machine base 2 and a nut sleeve 3, wherein the machine base 2 is tubular and sleeved on the drill rod 1, a sealing structure 201 is arranged between the lower end of the machine base 2 and the drill rod 1, the drill rod 1 can slide up and down in the machine base 2, the outer side of the upper end of the machine base 2 is connected with the tubular nut sleeve 3 in a threaded manner, the top end of the nut sleeve 3 is fixedly provided with a tubular feeding sleeve 301, a bearing is arranged between the feeding sleeve 301 and the drill rod 1, the top end of the drill rod 1 extends out of the feeding sleeve 301, and a rocking handle 101 is fixedly arranged above the feeding sleeve.

Wherein, the frame 2 is provided with a tubular sheath 4, and the sheath 4 wraps and protects the joint and the lower part of the nut sleeve 3 and the frame 2.

The surface of the nut sleeve 3 is provided with scales, when the drill rod 1 is located at the initial position, the scales on the top of the sheath 4 corresponding to the nut sleeve 3 are initial values, and the scales can be set according to the feeding amount of the nut sleeve 3, so that the feeding depth of the drill rod 1 can be clearly displayed.

Wherein, the sealing structure can use copper bush and packing seal.

The small pipeline tapping machine is simple in structure, convenient to operate and convenient to carry and transport, the drill rod 1 can be respectively connected with the tapping drill bit 9, the plugging head 8 and the plug 10, different functions are realized, the drill rod 1 can be extended by rotating the feeding sleeve 301, and the drill rod 1 is rotated by rotating the rocking handle 101.

Examples

As shown in fig. 1-4, this embodiment provides a pipe perforating structure, including the small-size pipe perforating machine of embodiment 1, still include the pipeline, tee bend pipe fitting 7, ball valve 6, even case 5 and trompil drill bit 9, tee bend pipe fitting 7 is formed by two halibut combination, and the staple bolt is on the pipeline that needs the trompil, tee bend pipe fitting 7 upper end and ball valve 6 sealing connection, ball valve 6 upper end and even case 5 sealing connection, even case 5 upper end and frame 2 bottom sealing connection, drilling rod 1 lower extreme is connected with trompil drill bit 9, rotate and feed cover 301 and make drilling rod 1 stretch out, trompil drill bit 9 down to pipeline department, rotatory rocking handle 101 and feed cover 301 realize feeding trompil simultaneously.

Wherein the hole drill 9 and the drill rod 1 can be connected in a threaded or snap-fit manner.

Examples

As shown in fig. 1-3, the present utility model provides a pipeline plugging structure, when the hole is opened in embodiment 2, the ball valve 6 is closed, the base 2 is separated from the connecting box 5, the hole drill 9 connected to the lower end of the drill rod 1 in embodiment 2 is replaced by the plugging head 8, then the base 2 is combined with the connecting box 5, the ball valve 6 is opened, the feeding sleeve 301 is rotated to extend the drill rod 1, and the plugging head 8 is lowered into the pipeline to realize plugging.

The front end of the plugging head 8 is arc-shaped, the plugging head 8 is made of silica gel, and the plugging head is deformed when being extruded, so that a plugging effect is achieved.

The plugging head 8 is provided with a diversion trench 801 facing the fluid direction of the pipeline, the side surface of the connecting box 5 is connected with a bypass valve 501, the bypass valve 501 is connected with a bypass pipeline again, fluid in the pipeline flows through the ball valve 6, the connecting box 5, the bypass valve 501 and the bypass pipeline along the diversion trench 801 and finally flows to the pipeline at the lower section beyond the construction end, and the pipeline can be constructed without stopping transportation.

Wherein, the plugging head 8 and the drill rod 1 can be connected in a threaded or fastening way.

Examples

As shown in fig. 1-6, the utility model provides a pipeline plugging structure, after the construction of an intermediate pipeline is completed, a tee pipe fitting 7 is required to be plugged, a feeding sleeve 301 is reversed, a drill rod 1 is returned to an initial position, a ball valve 6 is closed, a bypass valve 501 is closed, a base 2 is separated from a connecting box 5, a plugging head 8 connected with the lower end of the drill rod 1 in embodiment 3 is replaced by a plug 10, the ball valve 6 is opened, the feeding sleeve 301 is rotated to extend the drill rod 1, the plug 10 is lowered into the tee pipe fitting 7, a rocking handle 101 is rotated, the plug 10 is in threaded connection with the tee pipe fitting 7, the plugging is realized, the rocking handle 101 and the feeding sleeve 301 are reversed to separate the plug 10 from the drill rod 1, the drill rod 1 is returned to the initial position, the ball valve 6 is closed, a tapping machine, the connecting box 5 and the ball valve 6 are sequentially separated, and a sealing gasket 11 and a blind cover 12 are covered to complete the plugging.

The pipeline plugging structure further comprises a sealing gasket 11 and a blind cover 12, the blind cover 12 is in threaded connection with the top of the three-way pipe fitting 7, the sealing gasket 11 is arranged between the top of the three-way pipe fitting 7 and the blind cover 12, and the blind cover 12 can protect the internal plug 10.

Wherein the plug 10 and the drill rod 1 can be connected in a threaded or snap-in manner.

While embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A small-size pipeline tapping machine, its characterized in that: including drilling rod (1), frame (2), screw cover (3), frame (2) are tubulose to the cover is established on drilling rod (1), be equipped with seal structure (201) between frame (2) lower extreme and drilling rod (1), drilling rod (1) can slide from top to bottom in frame (2), frame (2) upper end outside threaded connection has tubular screw cover (3), screw cover (3) top is fixed with tubular feeding cover (301), be equipped with the bearing between feeding cover (301) and drilling rod (1), feeding cover (301) are stretched out on drilling rod (1) top, and the top is fixed with rocking handle (101).

2. The small-sized pipeline tapping machine according to claim 1, wherein a tubular sheath (4) is arranged outside the machine base (2), and the sheath (4) wraps and protects the joint and the lower part of the screw sleeve (3) and the machine base (2).

3. The small pipe tapping machine according to claim 1, characterized in that the surface of the nut sleeve (3) is provided with graduations.

4. The utility model provides a pipeline trompil structure, its characterized in that includes the small-size pipeline tapping machine of any one of claims 1-3, still includes pipeline, tee bend pipe fitting (7), ball valve (6), even case (5) and trompil drill bit (9), tee bend pipe fitting (7) are formed by two halibodies combination to the staple bolt is on the pipeline that needs trompil, tee bend pipe fitting (7) upper end and ball valve (6) sealing connection, ball valve (6) upper end and even case (5) sealing connection, even case (5) upper end and frame (2) bottom sealing connection, drilling rod (1) lower extreme is connected with trompil drill bit (9).

5. The utility model provides a pipeline plugging structure, its characterized in that includes the small-size pipeline tapping machine of any one of claims 1-3, still includes pipeline, tee bend pipe fitting (7), ball valve (6), even case (5) and shutoff head (8), tee bend pipe fitting (7) are formed by two halibut combination to the staple bolt is on the pipeline that needs trompil, tee bend pipe fitting (7) upper end and ball valve (6) sealing connection, ball valve (6) upper end and even case (5) sealing connection, even case (5) upper end and frame (2) bottom sealing connection, drilling rod (1) lower extreme is connected with shutoff head (8).

6. The pipeline plugging structure according to claim 5, wherein the front end of the plugging head (8) is arc-shaped, and the plugging head (8) is made of silica gel.

7. The pipeline plugging structure according to claim 6, wherein the plugging head (8) is provided with a diversion trench (801) facing the pipeline fluid direction, and the side surface of the connecting box (5) is connected with a bypass valve (501).

8. The utility model provides a pipeline plugging structure, its characterized in that includes the small-size pipeline tapping machine of any one of claims 1-3, still includes pipeline, tee bend pipe fitting (7), ball valve (6), even case (5) and jam (10), tee bend pipe fitting (7) are formed by two halibut combination to the staple bolt is on the pipeline that needs trompil, tee bend pipe fitting (7) upper end and ball valve (6) sealing connection, ball valve (6) upper end and even case (5) sealing connection, even case (5) upper end and frame (2) bottom sealing connection, drilling rod (1) lower extreme is connected with jam (10).

9. The pipeline plugging structure according to claim 8, further comprising a sealing gasket (11) and a blind cap (12), wherein the blind cap (12) is in threaded connection with the top of the tee pipe fitting (7), and the sealing gasket (11) is arranged between the top of the tee pipe fitting (7) and the blind cap (12).