CN112936212A

CN112936212A - Three-way saddle opening blanking device and lofting method

Info

Publication number: CN112936212A
Application number: CN202110108795.8A
Authority: CN
Inventors: 王景松; 于勇; 谢祥; 王磊; 曹磊; 刘振宇; 卢浩; 郭凯
Original assignee: Tianjin Pipeline Engineering Group Co Ltd
Current assignee: Tianjin Pipeline Engineering Group Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-06-11
Anticipated expiration: 2041-01-27
Also published as: CN112936212B

Abstract

The invention provides a three-way saddle mouth feeder and a lofting method, wherein the feeder comprises a fixing belt and bandages, the bandages are arranged on the inner side surface of the fixing belt, the bandages are respectively fixed with the fixing belt at equal intervals from left to right, a plurality of jacks are formed between the bandages and the fixing belt in the vertical direction, a fixing pipe is fixedly inserted into each jack, a push rod is arranged in each fixing pipe in a matching sliding manner, and a marking pen is detachably arranged at the bottom end of each push rod. The saddle mouth contour structure can be rapidly determined by the design, the accuracy of saddle mouth lofting is improved, and the saddle mouth lofting efficiency is greatly improved.

Description

Three-way saddle opening blanking device and lofting method

Technical Field

The invention belongs to the field of pipeline engineering, and particularly relates to a three-way saddle opening blanking device and a lofting method.

Background

During pipeline construction, the tee pipe of quadrature will often be used according to the construction demand, the tee pipe structure of quadrature is shown as figure 8 of description attached drawing, it is including being responsible for and the bypass pipe, bypass pipe and the quadrature line of being responsible for are the saddle-shaped structure, processing is at first will be in charge of and is offered tee bend interface also be saddle mouth, then correspond at the bypass pipe and tailor out the connection profile that corresponds with this saddle mouth, then insert the link of bypass pipe in the saddle mouth again, follow saddle mouth contour line with the bypass pipe and be responsible for the welding, finally form the three-way pipe.

In actual operation, the three-way pipe saddle mouth structure to different pipe diameters is different, and it is also very difficult to set up a saddle mouth template appearance spare and be applicable to the three-way pipe of various pipe diameters promptly, and the manufacturing of each three-way pipe all needs the operation personnel to set a sample alone, and the setting out process is complicated and need carry out a large amount of calculations, brings inconvenience for production.

Disclosure of Invention

In view of the above, the present invention is directed to a three-way saddle mouth feeder and a lofting method, so as to realize rapid lofting of a three-way saddle mouth of a three-way pipe during pipeline construction.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a glassware under tee bend saddle mouth, includes fixed band and bandage, the bandage sets up at the fixed band medial surface, and this bandage is fixed with the fixed band respectively by left to right equidistance spaced position department, and vertical direction is formed with a plurality of jack between bandage and fixed band, and each jack cartridge is fixed with a fixed pipe, and each fixed intraductal matching slidable mounting has a push rod, and each push rod bottom demountable installation has a marker pen.

Further, a mounting groove has been seted up to the vertical direction in push rod side, is provided with the several shell fragment in order from top to bottom in this mounting groove, the shell fragment is including the fixed part and the elastic part of connecting, fixed part and mounting groove tank bottom fixed connection, and the elastic part stretches out by the mounting groove opening, and the push rod is fixed the pipe vertical direction relatively and is removed the back, and the elastic part of the shell fragment that corresponds position department with fixed pipe sticiss fixed inside pipe wall, fixes the push rod in the fixed pipe through the shell fragment of this position department.

Furthermore, a fixing groove corresponding to the mounting groove is formed in the inner wall of the fixing pipe in the vertical direction, and the elastic part of the elastic piece extends into the fixing groove and tightly presses the bottom of the fixing groove.

Furthermore, the one end that the elastic part deviates from the fixed part has connecting portion and guide part of buckling in order forward, and guide part and fixed part are parallel, and this guide part is located the mounting groove

Furthermore, the bottom end of the push rod is concentrically provided with a mounting hole corresponding to the marking pen, and the top end of the marking pen is in interference fit in the mounting hole.

Furthermore, the fixing band is provided with a primary and secondary sticking buckle band, a sub band of the fixing band is arranged at one end of the fixing band, and a primary band of the fixing band is arranged on the outer side surface of the fixing band.

Further, the bandage is an elastic bandage.

Compared with the prior art, the three-way saddle mouth blanking device has the following advantages:

according to the three-way saddle mouth feeder, the plurality of push rods are uniformly and parallelly arranged on the fixing belt, the marking pens are arranged at the bottom ends of the push rods, when the three-way pipe is manufactured, the push rods can be pushed down until the marking pens are contacted with the main pipe of the three-way pipe and directly mark the contact points, the contour structure of the saddle mouth can be rapidly determined through the operation, the setting accuracy of the saddle mouth is improved, and the setting efficiency of the saddle mouth is greatly improved.

A three-way saddle port lofting method comprises the following steps:

(1) preferably, a reference pipe is selected, and the outer diameter d of the reference pipe is as follows: d ═ D-a;

wherein: a is the outer diameter of the fixed pipe;

d is the outer diameter of a bypass pipe in the orthogonal three-way pipe,

(2) the reference pipe is stably placed at the position of a main pipe bypass interface of the orthogonal three-way pipe, the fixing belt of the feeder is wound for a circle around the reference pipe and is fixed, and the outer circumferential surface of the reference pipe is ensured to be uniformly surrounded by the fixing pipe;

(3) pushing down the push rods in sequence until the pen point of the marking pen corresponding to each push rod touches the main pipe and marks the contact point;

(4) loosening the fixing belt and taking down the reference pipe, keeping the position of the push rod unchanged relative to the fixed pipe, and sequentially connecting the mark points on the main pipe through a smooth line to form a saddle opening contour line;

(5) unfolding and spreading the fixing band on a rectangular and windable flat plate, marking points vertically opposite to the pen point of each marking pen on the flat plate respectively, then sequentially connecting the marked points on the flat plate through a smooth line, and cutting the flat plate along the smooth line to form a blanking template;

(6) and winding the blanking template on the bypass pipe, and then scribing lines on the outer circumferential surface of the bypass pipe along the cutting lines of the blanking template, wherein the scribing lines are orthogonal connecting lines of the bypass pipe and the main pipe.

Further, the flat sheet is paper.

The three-way saddle port lofting method has the following advantages:

(1) according to the three-way saddle port lofting method, the saddle port of the main pipe is lofted through the reference pipe, so that the structural accuracy of the saddle port is improved, the saddle port of the main pipe can be in perfect contact with the saddle-shaped connecting part of the bypass pipe, and the product quality of the welded three-way pipe is improved.

(2) In the three-way saddle port lofting method, after the main pipe saddle port lofting is finished, the blanking template is manufactured through the blanking device, the bypass pipe saddle-shaped connecting part is blanked quickly through the blanking template, and as the blanking of the three-way interfaces of the main pipe and the bypass pipe is finished through the blanking device, the contour lines of the three-way interfaces are in perfect correspondence, the connection part of the bypass pipe and the main pipe is ensured to be tightly attached, the manufacturing quality of the three-way pipe is improved, and the production efficiency of the bypass pipe saddle-shaped connecting part is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of a three-way saddle mouth feeder according to the present embodiment;

FIG. 2 is a rear view of a three-way saddle mouth feeder according to the present embodiment;

FIG. 3 is a top view of a three-way saddle mouth feeder according to the present embodiment;

FIG. 4 is an assembly view of the push rod and the fixing tube in the present embodiment;

FIG. 5 is a perspective view of the fixing tube in the present embodiment;

FIG. 6 is a perspective view of the push rod;

FIG. 7 is a view of the structure of the spring plate;

FIG. 8 is a schematic view of a tee;

FIG. 9 is a schematic diagram of an application reference tube;

FIG. 10 is a drawing showing the layout of the tee joint of the main pipe, namely, the saddle port;

FIG. 11 is a line drawing of the saddle port contour of the master tube;

FIG. 12 is a drawing showing the setting out operation of the saddle-shaped interface of the by-pass pipe by using the blanking device;

FIG. 13 is a drawing of a bypass pipe saddle type interface lofting template;

description of reference numerals:

1-fixing the belt; 2-a bandage; 21-a jack; 3-primary and secondary hook-and-loop fasteners; 4-fixing the tube; 41-fixed groove; 5-a push rod; 51-a mounting groove; 6-a marker pen; 7-a spring plate; 71-a stationary part; 72-a resilient portion; 73-a connecting part; 74-a guide; 8-a bypass pipe; 9-main pipe; 91-saddle mouth outline; 10-a reference tube; 11-blanking template; 12-plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, a three-way saddle mouth feeder comprises a fixing band 1 and a bandage 2, wherein the bandage 2 is preferably an elastic bandage, the bandage 2 is arranged on the inner side surface of the fixing band 1, the bandage 2 is fixed with the fixing band 1 at the positions which are equidistantly spaced from left to right, a plurality of insertion holes 21 are formed between the bandage 2 and the fixing band 1, and the insertion holes 21 are uniformly arranged along the length direction of the fixing band 1. A fixed pipe 4 is inserted and fixed into each insertion hole 21. In this embodiment, 2 tiling of bandage are on

fixed band

1, and 2 and 1 fixed connection modes of fixed band adopt the sewing to roll the line mode, and two sewing that each jack 21 corresponds roll the line distance and be greater than fixed 4 external diameters of pipe, and this distance size is different because of fixed 4 thickness of pipe, and fixed 4 external diameters of pipe are big more, and this distance is just big more, as long as guarantee fixed 4 of pipe insert behind the jack 21 can will fix the pipe through bandage and fixed band can. For example, for a fixed pipe 4 having an outer diameter of 10mm, the distance between the two sewing lines corresponding to the insertion hole 21 may be set to 13 mm. For the fixed pipe 4 having an outer diameter of 8mm, the distance of the two sewing lines corresponding to the insertion hole 21 may be set to 10 mm. After the fixing tube 4 is inserted into the jack, the bandage 2 and the fixing band 1 are tightened, and the fixing tube 4 is fixed in the jack by utilizing the friction force between the fixing band 1 and the fixing tube 4 and between the bandage 2 and the fixing tube 4. In this embodiment, the fixing band 1 is preferably wound with its inner side facing inward when wound, so that a gap of 5-8mm is left between every two adjacent insertion holes 21 in order to prevent the adjacent two fixing tubes 4 from interfering when wound. A push rod 5 is arranged in each fixed tube 4 in a matched and sliding mode, a marking pen 6 is detachably arranged at the bottom end of each push rod 5, and the marking pen, the push rod and the fixed tubes are arranged concentrically.

In the design, the push rod is connected with the fixed tube 4 as shown in fig. 4, and the push rod 5 can move relative to the fixed tube 4 in the vertical direction. As shown in fig. 6, the side surface of the push rod 5 is vertically provided with an installation groove 51. As shown in fig. 5, the inner wall of the fixed pipe 4 is opened with a fixed groove 41 corresponding to the installation groove 51 in the vertical direction. A plurality of elastic pieces 7 are uniformly arranged in the mounting groove 51 from top to bottom in sequence. The structure of the elastic sheet 7 is as shown in fig. 7, each elastic sheet 7 comprises a fixing portion 71, an elastic portion 72, a connecting portion 73 and a guide portion 74 which are sequentially bent forward, the elastic portion 72 and the connecting portion 73 are smoothly transited and arranged in a V-shaped structure, the guide portion 74 is parallel to the fixing portion 71, the fixing portion 71 is fixedly connected with the bottom of the mounting groove 51, the elastic sheet 7 is fixed on the rear portion of the mounting groove 51, the elastic portion 72 protrudes out of the opening of the mounting groove 51 and extends into the fixing groove 41 and presses the bottom of the fixing groove 41 tightly, the guide portion 74 is inserted into the mounting groove 51, the guide portion 74 abuts against the bottom of the mounting groove 51, or a gap is. The push rod 5 and the fixed tube 4 are fixed in relative position through the elastic sheet 7 at the corresponding position of the fixed tube 4, so as to fix the pushed position of the push rod 5,

in this embodiment, the bottom end of the push rod 5 is concentrically provided with a mounting hole corresponding to the marking pen 6, and the top end of the marking pen 6 is interference-fitted in the mounting hole. This configuration allows the marker 6 and the push rod 5 to be detachably connected.

In this embodiment, the fixing band 1 is provided with a primary and secondary fastening tape 3, the secondary tape is disposed at one end of the fixing band 1, and the primary tape is disposed on the outer side surface of the fixing band 1.

A three-way saddle port lofting method comprises the following steps:

(1) preferably, a reference tube 10 is selected, and the outer diameter d of the reference tube 10 is as follows: d ═ D-a;

wherein: a is the outer diameter of the fixed tube 4;

d is the outer diameter of the by-pass pipe 8 in the orthogonal three-way pipe,

(2) the reference pipe 10 is stably placed at the position of a bypass connector of a main pipe 9 of the orthogonal three-way pipe, as shown in fig. 10, the inner side surface of a fixing belt 1 of the feeder is wound for a circle around the reference pipe 10, a fixing pipe 4 is tightly attached to the reference pipe 10, the outer circumferential surface of the reference pipe 10 is ensured to be uniformly surrounded by the fixing pipe 4, and then the fixing belt 1 is fixed on the reference pipe 10 through a primary-secondary sticky buckle belt 3; in the step, if the reference pipe 10 is thin, the phenomenon that the redundant fixing pipe 4 exists after the fixing belt 1 winds around the reference pipe 10 for a circle occurs, and the redundant fixing pipe 4 is pulled out from the insertion hole 21;

(3) opening the caps of the markers 6, and then pushing down the push rods 5 in sequence until the pen point of the marker 6 corresponding to each push rod 5 touches the main pipe 9 and marks the touch point;

(4) loosening the fixing belt 1, keeping the position of the push rod 5 relative to the fixing pipe 4 unchanged, taking down the reference pipe 10, and sequentially connecting the marking points on the main pipe 9 through smooth lines to form a saddle opening contour line 91, wherein the saddle opening contour line 91 is a main pipe 9 three-way interface contour line as shown in fig. 11;

(5) unfolding and flatly paving the fixing belt 1 on a rectangular and windable flat plate 12, wherein the flat plate 12 is a paper piece; as shown in fig. 11, marking the vertical alignment points of each pen point of the marker 6 on the flat plate 12, sequentially connecting the marking points on the flat plate 12 through a smooth line, and cutting the flat plate 12 along the smooth line to form the blanking template 11 shown in fig. 13;

(6) and winding the blanking template 11 on the bypass pipe 8, and then scribing lines along the cutting lines of the blanking template 11 on the outer circumferential surface of the bypass pipe 8, wherein the scribing lines are orthogonal connecting lines of the bypass pipe 8 and the main pipe 9.

The principle of the three-way saddle-opening lofting method is that, as shown in fig. 9, when the fixing band 1 is wound into a cylindrical structure, the central lines of a plurality of fixing tubes 4 are located on the same circumferential surface with the diameter D, and at this time, a saddle-opening contour line 91 formed by connecting the marking pen 6 with the contact point on the main tube 9 is a saddle-opening contour line corresponding to the bypass tube 8 with the outer diameter D, so that when the saddle opening corresponding to the bypass tube 8 with the outer diameter D on the main tube 9 is lofted, the size of the reference tube diameter D of the wound fixing band needs to be set to D ═ D-a, and a is the outer diameter of the fixing tube 4, so as to ensure accurate lofting size.

In this embodiment, the tee bend interface of being responsible for 9 and bypass pipe 8 all accomplishes through this tee bend saddle mouth glassware down, guarantees the goodness of fit of two outline lines, and then the later stage of being convenient for will be responsible for 9 and the orthogonal welding of bypass pipe 8, has improved the manufacturing quality of three-way pipe simultaneously.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a glassware under tee bend saddle mouth which characterized in that: including fixed band (1) and bandage (2), bandage (2) set up at fixed band (1) medial surface, and this bandage (2) are fixed with fixed band (1) respectively by left to right equidistance interval position department, and vertical direction is formed with several jack (21) between bandage (2) and fixed band (1), and the interpolation dress is fixed with a fixed pipe (4) in each jack (21), matches slidable mounting in each fixed pipe (4) has a push rod (5), and each push rod (5) bottom demountable installation has a marker pen (6).

2. The three-way saddle mouth blanking device according to claim 1, wherein: a mounting groove (51) has been seted up to the vertical direction in push rod (5) side, is provided with several shell fragment (7) from top to bottom in order in this mounting groove (51), shell fragment (7) are including fixed part (71) and the elastic component (72) that are connected, fixed part (71) and mounting groove (51) tank bottom fixed connection, and elastic component (72) are stretched out by mounting groove (51) opening, and push rod (5) are fixed pipe (4) vertical direction relatively and are removed the back, and elastic component (72) of shell fragment (7) that correspond position department with fixed pipe (4) sticiss fixed pipe (4) inner wall, fix push rod (5) in fixed pipe (4) through shell fragment (7) of this position department.

3. The three-way saddle mouth blanking device according to claim 2, wherein: the fixing tube (4) is characterized in that a fixing groove (41) corresponding to the mounting groove (51) is formed in the inner wall of the fixing tube in the vertical direction, and an elastic part (72) of the elastic sheet (7) extends into the fixing groove and tightly presses the bottom of the fixing groove (41).

4. The three-way saddle mouth blanking device according to claim 3, wherein: one end of the elastic part (72), which is far away from the fixing part (71), is bent forwards sequentially to form a connecting part (73) and a guide part (74), the guide part (74) is parallel to the fixing part (71), and the guide part (74) is positioned in the mounting groove (51).

5. The three-way saddle mouth blanking device according to claim 1, wherein: the bottom end of the push rod (5) is concentrically provided with a mounting hole corresponding to the marking pen (6), and the top end of the marking pen (6) is in interference fit in the mounting hole.

6. The three-way saddle mouth blanking device according to claim 1, wherein: the fixing band (1) is provided with a primary and secondary sticking buckle band (3), a sub band of the fixing band is arranged at one end of the fixing band (1), and a primary band of the fixing band is arranged on the outer side surface of the fixing band (1).

7. The three-way saddle mouth blanking device according to claim 1, wherein: the bandage (2) is an elastic bandage.

8. A three-way saddle port lofting method using the three-way saddle port blanking device of any one of claims 1 to 7, characterized in that: the method comprises the following steps:

(1) preferably, a reference tube (10) is selected, and the outer diameter d of the reference tube (10) is as follows: d ═ D-a;

wherein: a is the outer diameter of the fixed pipe (4);

d is the outer diameter of a bypass pipe (8) in the orthogonal three-way pipe,

(2) the reference pipe (10) is stably placed at a bypass interface position of a main pipe (9) of the orthogonal three-way pipe, the fixing belt (1) of the feeder is wound for a circle around the reference pipe (10) and is fixed, and the outer circumferential surface of the reference pipe (10) is ensured to be uniformly surrounded by the fixing pipe (4);

(3) pushing down the push rods (5) in sequence until the pen point of the marking pen (6) corresponding to each push rod (5) touches the main pipe (9) and marks the contact point;

(4) loosening the fixing belt (1) and taking down the reference pipe, keeping the position of the push rod (5) unchanged relative to the fixing pipe (4), and sequentially connecting the marking points on the main pipe (9) through a smooth line to form a saddle opening contour line (91);

(5) unfolding and flatly paving the fixing band (1) on a rectangular and windable flat plate (12), marking the vertical alignment points of each marking pen point (6) on the flat plate (12), sequentially connecting the marking points on the flat plate (12) through a smooth line, and cutting the flat plate (12) along the smooth line to form a blanking template (11);

(6) and winding the blanking template (11) on the bypass pipe (8), and then scribing lines along the cutting lines of the blanking template (11) on the outer circumferential surface of the bypass pipe (8), wherein the scribing lines are orthogonal connecting lines of the bypass pipe (8) and the main pipe (9).

9. The three-way saddle port lofting method according to claim 8, wherein: the flat plate (12) is a paper.