CN213195780U - Auxiliary mechanism for pressing open inclined hole of pipeline without stopping conveying - Google Patents
Auxiliary mechanism for pressing open inclined hole of pipeline without stopping conveying Download PDFInfo
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- CN213195780U CN213195780U CN202022253526.4U CN202022253526U CN213195780U CN 213195780 U CN213195780 U CN 213195780U CN 202022253526 U CN202022253526 U CN 202022253526U CN 213195780 U CN213195780 U CN 213195780U
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Abstract
The utility model discloses a pipeline non-stop belt-pressing inclined hole opening auxiliary mechanism, which comprises a short section sleeve, wherein the short section sleeve is welded on the outer wall of a pipeline to be opened with inclination, the outer end of the short section sleeve is fixedly connected with a combiner at the front end of a hole opener in a coaxial sealing way through a sandwich valve, a cylinder cavity inside the short section sleeve is communicated with an inner cavity of the combiner in a matching way to form a working cavity, a cylinder cutter arranged at the working end of the hole opener is positioned at the inner side of the combiner, and the hole opening operation is completed along the up-and-down movement of the working; an auxiliary pipe wall sheet vertical to the pipeline is arranged in the working cavity, the upper edge of the auxiliary pipe wall sheet is fixedly connected with the inner wall of the short section sleeve, the lower edge of the auxiliary pipe wall sheet is fixedly connected with the outer wall of the pipeline, the pipeline wall positioned on the inner side of the short section sleeve is divided into an a section pipe wall and a b section pipe wall along the length direction by the auxiliary pipe wall sheet, and the length of the a section pipe wall is consistent with the height of the auxiliary pipe wall sheet. The utility model discloses the advantage lies in making the balanced atress of cylindrical cutter, the acutely that produces when effectively avoiding cylindrical cutter unilateral atress vibrates, prevents that the cylindrical cutter from beating teeth, card sword phenomenon.
Description
Technical Field
The utility model belongs to the technical field of the pipeline trompil technique and specifically relates to a pipe does not stop defeated area and presses out inclined hole complementary unit.
Background
At present, vertical opening of a pipeline under pressure is a very mature technology, and large and small enterprises engaged in blocking of the opening of the pipeline under pressure can basically smoothly construct and operate. In the actual tapping operation, as shown in fig. 4, a short section sleeve matched with a connector at the working end of the tapping device is vertically welded on the wall of the pipeline as an auxiliary, then the short section sleeve and the connector are coaxially and hermetically communicated through a sandwich valve, and a cylindrical cutter on a working main shaft of the tapping device is positioned in an inner cavity of the connector and can move up and down along the inner cavity of the connector and the inner cavity of the short section sleeve under the driving of the tapping device, so that the tapping under pressure of the pipeline is realized. However, there are special cases where the opening cannot be made vertically, such as: the perforating mechanism cannot be vertically arranged due to space limitation, or inclined holes must be formed according to operation requirements, and the like, so that the nipple sleeve and the hole digger can only be obliquely arranged, and at the moment, when the cylindrical cutter moves towards the direction of the pipeline wall to perforate, as shown in fig. 5, one side of the cylindrical cutter is firstly contacted with the pipeline wall, severe vibration can occur, the cylindrical cutter is very easy to be tapped or clamped, and the perforating operation fails.
Disclosure of Invention
An object of the utility model is to provide a pipeline does not stop defeated area and presses out inclined hole complementary unit.
In order to achieve the above purpose, the utility model can adopt the following technical proposal:
the utility model discloses a pipeline incessantly defeated area presses and opens inclined hole complementary unit, including the nipple joint sleeve that is the cylinder structure, nipple joint sleeve slope welding is on waiting to trompil the pipeline outer wall, and its outer end links firmly through the coaxial seal of sandwich valve with the combiner of hole digger front end, and the barrel cavity of nipple joint sleeve inside and the inner chamber adaptation intercommunication of combiner form the working chamber, set up in the cylinder sword of hole digger working end is located the combiner inboard, and along the up-and-down motion completion trompil operation of working chamber; the working cavity is internally provided with an auxiliary pipe wall sheet vertical to the pipeline, the upper edge of the auxiliary pipe wall sheet is fixedly connected with the inner wall of the short section sleeve, the lower edge of the auxiliary pipe wall sheet is fixedly connected with the outer wall of the pipeline, the pipeline wall positioned on the inner side of the short section sleeve is divided into an a section pipe wall and a b section pipe wall along the length direction by the auxiliary pipe wall sheet, and the length of the a section pipe wall is consistent with the height of the auxiliary pipe wall sheet.
Further, the thickness of the auxiliary wall sheet is consistent with the wall thickness of the pipeline.
Furthermore, an auxiliary steel plate strip is fixedly connected between the auxiliary pipe wall sheet and the a-section pipe wall, the auxiliary steel plate strip is over against the central drill on the inner side of the cylinder cutter, and the auxiliary steel plate is parallel to the section of the short section sleeve.
Furthermore, a top support bearing moving along the length direction of the working cavity is arranged in the working cavity, the top support bearing is of an annular structure, the outer axial surface of the top support bearing is attached to the wall of the working cavity in a sliding mode, the inner axial surface of the top support bearing is in clearance fit with the outer wall of the cylindrical cutter, and an anti-falling blocking ring used for blocking the top support bearing is fixedly arranged at the position, close to the working end, of the outer wall of the cylindrical cutter.
The utility model has the advantages of simple structure, simple installation and operation. The auxiliary pipe wall sheet is additionally arranged in the short section sleeve which is welded on the outer wall of the pipeline to be perforated in an inclined mode, so that the stress condition of a cylinder cutter at the working end of the hole opener when the inclined hole is pressed to be opened is effectively improved, the cylinder cutter can be stressed in two sides in a balanced mode, severe vibration generated when the single side of the cylinder cutter is stressed is effectively avoided, the cylinder cutter is prevented from being knocked over and clamped, and the construction of the inclined hole opening of the pipeline under pressure without stopping conveying can be smoothly, safely and efficiently completed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion I of fig. 1.
Fig. 3 is a schematic view of the operating state of fig. 1.
Fig. 4 is a schematic structural view of a conventional hole opening mechanism.
Fig. 5 is a schematic diagram of the operation of the conventional hole-opening mechanism when an inclined hole is opened.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the mechanism for assisting the pressing and opening of the inclined hole without stopping the transportation of the pipeline comprises a short section sleeve 1, wherein the short section sleeve 1 is of a cylindrical structure and is obliquely welded and fixed on the outer wall of the pipeline 2 to be perforated, and the outer end of the short section sleeve 1 is coaxially and hermetically fixedly connected with a connector 5 at the front end of a hole opener 4 through a sandwich valve 3; the combiner 5 is one end opening, the tubular structure that one end was sealed, the section of thick bamboo chamber of nipple joint sleeve 1 inside just communicates with the inner chamber adaptation of combiner 5 and forms working chamber 6, hole digger 4 is located the end of sealing of combiner 5, the perpendicular sealed penetration of the end of sealing center department of hole digger 4's working spindle 7 from combiner 5 sets up the section of thick bamboo sword 8 that sets up in the 7 working ends of working spindle of hole digger 4 and is located 5 inboards of combiner to can follow the operation of the trompil of 6 up-and-down motion completion in working chamber. In addition, an auxiliary pipe wall sheet 9 perpendicular to the pipeline 2 is arranged in the working cavity 6, the upper edge of the auxiliary pipe wall sheet 9 is fixedly connected with the inner wall of the short section sleeve 1, the lower edge of the auxiliary pipe wall sheet is fixedly connected with the outer wall of the pipeline 2, the pipe wall of the part of the pipeline 2 located on the inner side of the short section sleeve 1 is divided into an a-section pipe wall 201 and a b-section pipe wall 202 along the length direction by the auxiliary pipe wall sheet 9, the length of the a-section pipe wall 201 is consistent with the height of the auxiliary pipe wall sheet 9, and therefore symmetrical stress of the cylindrical cutter 8 when the cylindrical cutter moves downwards along the working cavity 6 in an inclined mode to perform hole opening can be. As shown in fig. 3, when the right side of the cylindrical cutter 8 contacts the pipe wall of the pipeline 2, the opposite left side of the cylindrical cutter can just contact the auxiliary pipe wall sheet 9, so that the two sides of the cylindrical cutter 8 can be stressed in a balanced manner, severe vibration generated when the single side of the cylindrical cutter 8 is stressed is effectively avoided, and the phenomena of tooth punching and cutter clamping of the cylindrical cutter 8 are prevented.
Further, in order to ensure the balanced force on the two sides of the cylindrical cutter 8, the thickness of the auxiliary wall sheet 9 should be consistent with the wall thickness of the pipeline 2. In addition, still can set up the shoring bearing 10 that moves along its length direction in working chamber 6, this shoring bearing 10 is the loop configuration, its outer axial plane slides and laminates in the chamber wall of working chamber 6, its inner axial plane and the outer wall clearance fit of barrel cutter 8, guarantee to shoring bearing 10 and all can slide on the chamber wall of working chamber 6 and the outer wall of barrel cutter 8, still need set firmly the anticreep fender ring 11 (as shown in fig. 2) that is used for blocking shoring bearing 10 near working end department at the outer wall of barrel cutter 8 simultaneously, just so can provide the holding power to barrel cutter 8 when guaranteeing the normal rotation trompil of barrel cutter 8, guarantee that barrel cutter 8 is firm.
Further, in order to prevent the falling pieces cut by the tube cutter 8 (i.e. the portions of the pipeline 2 and the auxiliary tube wall piece 9 cut by the tube cutter 8) from falling into the pipeline 2, an auxiliary steel plate strip 12 may be fixedly connected between the auxiliary tube wall piece 9 and the a-section tube wall 201, the auxiliary steel plate strip 12 should be opposite to the central drill 13 inside the tube cutter 8, and the auxiliary steel plate strip 12 should be guaranteed to be parallel to the cross section of the short section sleeve 1, so that the central drill 13 in the tube cutter 8 can drill through the auxiliary steel plate strip 12 when the tube cutter 8 has not completely cut off the tube wall falling pieces, and thus the hole-opening falling pieces can be brought out of the pipeline 2 under the threaded clamping effect of the central drill 13 and the auxiliary steel plate strip 12 after the hole opening is completed.
During actual installation: firstly, welding a short section sleeve 1 on the outer wall of a pipeline 2 according to the inclination requirement;
secondly, arranging auxiliary pipe wall pieces 9 in the short section sleeve 1, wherein the auxiliary pipe wall pieces 9 are plate pieces with the same thickness as the pipeline 2, and because the outer wall of the pipeline 2 surrounded by the short section sleeve 1 is in a tile-shaped elliptical piece shape, the auxiliary pipe wall pieces 9 can be cut on the pipeline 2 with the same model according to the shape, and then are divided into two parts equally according to the elliptical short axis as a boundary, one part of the two parts is taken out to cut out a radian attached to the outer wall of the pipeline 2 on a straight edge, and then the two parts can be arranged in the short section sleeve 1 to be welded and fixed;
thirdly, erecting an auxiliary steel plate strip 12 between the auxiliary pipe wall sheet 9 and the a-section pipe wall 201 on the inner side of the short section sleeve 1, paying attention to ensure that the auxiliary steel plate strip 12 is over against a central drill 13 on the inner side of a cylindrical cutter 8 and the auxiliary steel plate strip 12 is parallel to the section of the short section sleeve 1, and then welding;
the fourth step, install shore bearing 10 additional in the combiner 5 of hole digger 4 front end, shore bearing 10's outer axial face slides and laminates on the inner wall of combiner 5, its internal axial face and the outer wall clearance fit of bobbing 8, thereby guarantee shore bearing 10 homoenergetic and slide on the chamber wall of working chamber 6 and the outer wall of bobbing 8, later be close to work end department at the outer wall of bobbing 8 and weld solid anticreep fender ring 11 that is used for blocking shore bearing 10, also can directly design into the structure that work end outer wall took the ka tai with bobbing 8 certainly, bobbing 8 and anticreep fender ring 11 structure as an organic whole promptly.
And fifthly, adopting a sandwich valve 3 to coaxially and hermetically communicate the nipple sleeve 1 and the connector 5, and then completing the installation of the device.
During actual work: the cylinder cutter 8 is driven by the working main shaft 7 of the hole digger 4 to rotate and move downwards, and as shown in fig. 3, when the right side of the cylinder cutter 8 contacts the outer wall of the pipeline 2, the left side of the cylinder cutter 8 which is symmetrical to the contact part can contact the auxiliary pipeline wall sheet 9, so that the two sides of the cylinder cutter 8 can be stressed in a balanced manner, severe vibration generated when the single side of the cylinder cutter 8 is stressed is effectively avoided, and the phenomena of tooth beating and cutter clamping of the cylinder cutter 8 are prevented.
Claims (4)
1. The utility model provides a pipeline does not stop defeated area and presses out inclined hole complementary unit, includes the nipple joint sleeve that is cylindrical structure, its characterized in that: the short section sleeve is welded on the outer wall of a pipeline to be perforated in an inclined mode, the outer end of the short section sleeve is fixedly connected with a connector at the front end of the hole opener in a coaxial and sealing mode through a sandwich valve, a cylinder cavity in the short section sleeve is communicated with an inner cavity of the connector in a matched mode to form a working cavity, a cylinder cutter arranged at the working end of the hole opener is located on the inner side of the connector, and the cylinder cutter moves up and down along the working cavity to complete hole opening operation; the working cavity is internally provided with an auxiliary pipe wall sheet vertical to the pipeline, the upper edge of the auxiliary pipe wall sheet is fixedly connected with the inner wall of the short section sleeve, the lower edge of the auxiliary pipe wall sheet is fixedly connected with the outer wall of the pipeline, the pipeline wall positioned on the inner side of the short section sleeve is divided into an a section pipe wall and a b section pipe wall along the length direction by the auxiliary pipe wall sheet, and the length of the a section pipe wall is consistent with the height of the auxiliary pipe wall sheet.
2. The pipe non-stop conveying auxiliary mechanism with the function of pressing open inclined holes, according to claim 1, is characterized in that: the thickness of the auxiliary pipe wall sheet is consistent with the pipe wall thickness of the pipeline.
3. The pipe non-stop conveying auxiliary mechanism with the function of pressing open inclined holes, according to claim 1, is characterized in that: and an auxiliary steel plate strip is fixedly connected between the auxiliary pipe wall sheet and the a-section pipe wall, the auxiliary steel plate strip is over against the central drill on the inner side of the cylinder cutter, and the auxiliary steel plate is parallel to the section of the short section sleeve.
4. The pipe non-stop conveying auxiliary mechanism with the function of pressing open inclined holes, according to claim 1, is characterized in that: the inner wall of the working cavity is provided with a top support bearing which moves along the length direction of the working cavity, the top support bearing is of an annular structure, the outer axial surface of the top support bearing is in sliding fit with the wall of the working cavity, the inner axial surface of the top support bearing is in clearance fit with the outer wall of the cylindrical cutter, and an anti-disengaging stop ring which is used for blocking the top support bearing is fixedly arranged at the position, close to the working end, of the outer wall of the cylindrical cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022253526.4U CN213195780U (en) | 2020-10-12 | 2020-10-12 | Auxiliary mechanism for pressing open inclined hole of pipeline without stopping conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022253526.4U CN213195780U (en) | 2020-10-12 | 2020-10-12 | Auxiliary mechanism for pressing open inclined hole of pipeline without stopping conveying |
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| CN213195780U true CN213195780U (en) | 2021-05-14 |
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| CN202022253526.4U Active CN213195780U (en) | 2020-10-12 | 2020-10-12 | Auxiliary mechanism for pressing open inclined hole of pipeline without stopping conveying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433908A (en) * | 2022-03-03 | 2022-05-06 | 锐驰高科股份有限公司 | Pressure fishing device for pipeline perforated falling piece |
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2020
- 2020-10-12 CN CN202022253526.4U patent/CN213195780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433908A (en) * | 2022-03-03 | 2022-05-06 | 锐驰高科股份有限公司 | Pressure fishing device for pipeline perforated falling piece |
| CN114433908B (en) * | 2022-03-03 | 2024-04-26 | 锐驰高科股份有限公司 | Under-pressure salvaging device for pipeline perforating and falling sheet |
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