Welding device for prefabricating folding lining pipe in factory

Abstract

The utility model provides a welding device for prefabricating folding lining pipes in a factory. The welding device comprises a plurality of lining clamping frames and polyethylene plate clamping frames which are sequentially arranged on a straight rail in a sliding mode in the axial direction. The lining clamping frame and the polyethylene plate clamping frame each comprise an upper clamping frame and a lower clamping frame, and the upper clamping frames and the lower clamping frames are detachably connected through locking structures. The lining clamping frame is used for clamping a clamped composite lining, and the polyethylene plate clamping frame is used for clamping a polyethylene plate; according to the device, the tubular composite lining and the polyethylene plate are clamped through the lining clamping frame and the polyethylene plate clamping frame, the distance between the lining clamping frame and the polyethylene plate clamping frame can be adjusted, the polyethylene plate is welded to one end of the tubular composite lining in a bonding pad hot melting welding mode, and compared with a steel wire tightening mode, the polyethylene plate is welded to the other end of the tubular composite lining. The sealing performance of one end of the tubular composite lining can be guaranteed through hot melting welding, when the tubular composite lining needs to be disassembled, the portion, close to the polyethylene plate, of the tubular composite lining can be directly cut, and sealing, disassembling and assembling are very convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to non -excavation type pipeline repair technical field, concretely relates to a welding set for factory prefabricated folding inner lining pipe. BACKGROUND

[0002] Non -excavation type pipeline repair technology engineering quantity is smaller, need not carrying out a large amount of earthwork excavation, and the municipal road and the garden environment are less damaged, and the influence to the social surface is very small.

[0003] Its working principle is: first, the pipeline to be repaired or side joint is observed, then compressed air is used as power to push the tubular composite inner lining into the old pipeline, and then the tubular composite inner lining is made to be attached to the inner wall of the pipeline by using the expansion tool;

[0004] In the construction process, the tubular composite inner lining is required to be closed at one end, and the existing technical means is to tighten one end by using steel wire, and then the steel wire is removed after the construction is completed, but due to the large diameter and certain hardness of the tubular composite inner lining, such closing mode is prone to be not tight, thereby affecting the subsequent construction. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model wants to solve the problem to provide a welding set for factory prefabricated folding inner lining pipe.

[0006] In order to solve the above technical problem, the utility model adopts the technical scheme that:

[0007] A welding set for factory prefabricated folding inner lining pipe, comprising a plurality of inner lining card frames and polyethylene plate card frames which are sequentially slid on the straight rail along the axial direction;

[0008] The inner lining card frame and the polyethylene plate card frame all comprise an upper card frame and a lower card frame, and the upper card frame and the lower card frame are detachably connected through a locking structure;

[0009] The inner lining card frame is used for clamping the tubular composite inner lining, and the polyethylene plate card frame is used for clamping the polyethylene plate.

[0010] A half-round-shaped socket I is formed on the upper card plate of the inner lining card frame, a continuous arc-shaped socket is formed on the lower card plate of the inner lining card frame, and the half-round-shaped socket and the continuous arc-shaped socket are arranged in the facing mode.

[0011] An upper polyethylene card plate is mounted on the upper card frame of the polyethylene plate card frame, a lower polyethylene card plate is mounted on the lower card frame of the polyethylene plate card frame, a half-round-shaped socket II is formed on the upper polyethylene card plate, and a half-round-shaped socket with a cut corner is formed on the lower polyethylene card plate.

[0012] The back side of the polyethylene plate is provided with a strip-shaped protrusion for clamping between the upper polyethylene clamping plate and the lower polyethylene clamping plate of the polyethylene plate clamping frame.

[0013] The upper clamping frame and the lower clamping frame are both provided with a U-shaped slot in the vertical direction, the locking structure comprises a hinge bolt and a cap nut threadedly connected to the hinge bolt, the width of the U-shaped slot is greater than the diameter of the threaded body of the hinge bolt and smaller than the diameter of the cap nut;

[0014] The hinge bolt is rotationally connected to the lower clamping frame at the U-shaped slot through a rotating shaft.

[0015] The lower clamping frame is slidably arranged on the straight rail, and both ends of the straight rail are fixedly installed on the support frame in the L-shaped structure.

[0016] The utility model has the advantages and positive effects that:

[0017] The device uses the inner lining clamping frame and the polyethylene plate clamping frame to clamp the tubular composite inner lining and the polyethylene plate, the spacing between the inner lining clamping frame and the polyethylene plate clamping frame is adjustable, the polyethylene plate is welded at one end of the tubular composite inner lining through the welding pad hot melt welding mode, compared with the steel wire tightening mode, the hot melt welding can ensure the sealing property of one end of the tubular composite inner lining, when it is necessary to remove, the tubular composite inner lining near the polyethylene plate can be directly cut, and the sealing and disassembly are very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0019] Fig. 1 It is a structure diagram of the welding device for the factory prefabricated folding inner lining pipe after clamping the tubular composite inner lining in the first visual angle.

[0020] Fig. 2 It is a structure diagram of the welding device for the factory prefabricated folding inner lining pipe.

[0021] Fig. 3 It is a structure diagram of the welding device for the factory prefabricated folding inner lining pipe after clamping the tubular composite inner lining in the second visual angle.

[0022] Fig. 4 It is a structure diagram of the upper clamping frame and the lower clamping frame.

[0023] In the figure: inner liner card frame 1, polyethylene plate card frame 2, upper card frame 4, lower card frame 5, tubular composite inner liner 6, straight rail 7, inner liner upper card plate 8, inner liner lower card plate 9, semicircular card slot I 10, continuous arc card slot 11, upper polyethylene card plate 12, lower polyethylene card plate 13, semicircular card slot II 14, cut corner semicircular card slot 15, U-shaped slot 16, hinge bolt 17, cap nut 18, support frame 19, polyethylene plate 20, strip-shaped protrusion 21, pivot 22. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. When a component is referred to as being "disposed" on another component, it can be directly on the other component or there can be intervening components. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for purposes of illustration only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "because" are merely used to introduce an explanation of associated elements. They are not used to cause a departure from the scope of the application.

[0027] As Figs. 1 to 4The utility model provides a kind of welding device for factory prefabricated folding inner liner pipe, including a plurality of inner liner card frame 1 and polyethylene plate card frame 2 sequentially sliding on straight rail 7 along the axial direction, so that the spacing of a plurality of inner liner card frame 1 and polyethylene plate card frame 2 can be adjusted, the inner liner card frame 1 is used to clamp and connect tubular composite inner liner 6, the polyethylene plate card frame 2 is used to connect polyethylene plate 20, by adjusting the spacing of inner liner card frame 1 adjacent to polyethylene plate card frame 2, so that solder pad can be placed between tubular composite inner liner 6 and polyethylene plate 20, solder pad carries out hot melting to both, when reaching temperature requirement, remove solder pad, then by sliding inner liner card frame 1 and polyethylene plate card frame 2, the both are docked to complete hot melting welding, relative to the mode that tubular composite inner liner 6 one end is tightly tied with steel wire, hot melting welding can guarantee the sealing property of tubular composite inner liner 6 one end, when needing to remove, directly close to polyethylene plate cutting adjacent part tubular composite inner liner 6 can be;

[0028] The device can be directly welded in the factory in advance, and when the construction is completed at the construction site, the tubular composite inner liner 6 adjacent to the welded part is cut, thereby simplifying the construction process.

[0029] Specifically, the inner liner card frame 1 and the polyethylene plate card frame 2 each include an upper card frame 4 and a lower card frame 5, the upper card frame 4 and the lower card frame 5 are detachably connected through a locking structure, the upper card frame 4 of the inner liner card frame 1 is provided with an inner liner upper clamping plate 8, the lower card frame 5 of the inner liner card frame 1 is provided with an inner liner lower clamping plate 9, a semicircular clamping hole I 10 is formed on the inner liner upper clamping plate 8, a continuous arc-shaped clamping hole 11 is formed on the inner liner lower clamping plate 9, and the semicircular clamping hole and the continuous arc-shaped clamping hole are arranged to face each other.

[0030] The semicircular clamping hole I 10 and the continuous arc-shaped clamping hole 11 are designed to surround, so as to fold the tubular composite inner liner 6 subjected to external force or fold the tubular composite inner liner 6 that is not folded, thereby making the tubular composite inner liner 6 relatively flat and more easily entering the old pipeline.

[0031] Specifically, the upper card frame 4 of the polyethylene plate card frame 2 is provided with an upper polyethylene clamping plate 12, the lower card frame 5 of the polyethylene plate card frame 2 is provided with a lower polyethylene clamping plate 13, a semicircular clamping hole II 14 is formed on the upper polyethylene clamping plate 12, and a cut-angle semicircular clamping hole 15 is formed on the lower polyethylene clamping plate 13; the semicircular clamping hole II 14 and the cut-angle semicircular clamping hole 15 are designed to surround, so as to clamp the cut-angle circular polyethylene plate, and the cut-angle circular polyethylene plate can be adapted to the end profile of the folded tubular composite inner liner 6.

[0032] Specific, the back side of the polyethylene plate 20 is provided with a strip-shaped protrusion 21, the strip-shaped protrusion 21 is used for being clamped between the upper polyethylene clamping plate 12 and the lower polyethylene clamping plate 13 of the polyethylene plate clamping frame 2, and then is matched with the semicircular clamping opening II 14 and the cut angle semicircular clamping opening 15 to clamp the polyethylene plate 20 together.

[0033] Specific, the upper clamping frame 4 and the lower clamping frame 5 are both provided with a U-shaped slot 16 in the vertical direction, the locking structure comprises a hinge bolt 17 and a cap nut 18 which is screwed on the hinge bolt 17, the width of the U-shaped slot 16 is greater than the diameter of the threaded body of the hinge bolt 17 and is less than the diameter of the cap nut 18, and the hinge bolt 17 is rotationally connected with the U-shaped slot 16 of the lower clamping frame 5 through a rotating shaft 22.

[0034] When the tubular composite inner liner 6 or the polyethylene plate needs to be put in, the hinge bolt 17 is rotated in the direction away from the upper clamping frame 4, so that the hinge bolt 17 is moved out of the U-shaped slot 16 on the upper clamping frame 4, then the upper clamping frame 4 is removed, the tubular composite inner liner 6 or the polyethylene plate is put into the lower clamping frame 5, the upper clamping frame 4 is placed on the lower clamping frame 5, the hinge bolt 17 is rotated in the direction close to the upper clamping frame 4, so that the hinge bolt 17 enters the U-shaped slot 16 of the upper clamping frame 4, then the cap nut 18 is screwed, the cap nut 18 abuts against part of the upper clamping frame 4 outside the U-shaped slot 16 to stop moving downward along the hinge bolt 17, thereby achieving the locking of the upper clamping frame 4 and the lower clamping frame 5.

[0035] Specific, the lower clamping frame 5 is sleeved and slid on the straight rail 7, the straight rail 7 is provided with two groups in parallel, and the two ends of the straight rail 7 are fixedly installed on the support frame 19 of L-shaped structure.

[0036] The working principle and working process of the utility model are as follows:

[0037] When the tubular composite inner liner 6 or the polyethylene plate needs to be put in, the hinge bolt 17 is rotated in the direction away from the upper clamping frame 4, so that the hinge bolt 17 is moved out of the U-shaped slot 16 on the upper clamping frame 4, then the upper clamping frame 4 is removed, the tubular composite inner liner 6 or the polyethylene plate is put into the lower clamping frame 5, the upper clamping frame 4 is placed on the lower clamping frame 5, the hinge bolt 17 is rotated in the direction close to the upper clamping frame 4, so that the hinge bolt 17 enters the U-shaped slot 16 of the upper clamping frame 4, then the cap nut 18 is screwed, the cap nut 18 abuts against part of the upper clamping frame 4 outside the U-shaped slot 16, thereby achieving the locking of the upper clamping frame 4 and the lower clamping frame 5.

[0038] When hot melting welding, the distance between the inner liner clamping frame 1 adjacent to the polyethylene plate clamping frame 2 is adjusted first, the welding pad is put between the tubular composite inner liner 6 and the polyethylene plate, the welding pad melts the two, when the temperature requirement is reached, the welding pad is removed, then the inner liner clamping frame 1 and the polyethylene plate clamping frame 2 are slid to butt joint.

[0039] The embodiments of the present application are described in detail above, but the content is only the preferred embodiments of the present application, and cannot be considered to limit the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope of the present patent.

Claims

1. A welding apparatus for factory prefabricated folded inner liner pipes, characterized in that, The liner card frame (1) and the polyethylene plate card frame (2) are arranged on the straight rail (7) in sequence along the axial direction. The liner card frame (1) and the polyethylene plate card frame (2) each comprise an upper card frame (4) and a lower card frame (5), and the upper card frame (4) and the lower card frame (5) are detachably connected through a locking structure. The liner card frame (1) is used for clamping a composite inner liner (6) in a tab shape, and the polyethylene plate card frame (2) is used for clamping a polyethylene plate.

2. A welding device for factory prefabricated folded inner liner pipes according to claim 1, characterized in that, An upper liner clamping plate (8) is mounted on the upper card frame (4) of the liner card frame (1), a lower liner clamping plate (9) is mounted on the lower card frame (5) of the liner card frame (1), a semicircular clamping hole I (10) is formed on the upper liner clamping plate (8), and a continuous arc-shaped clamping hole (11) is formed on the lower liner clamping plate (9), and the semicircular clamping hole and the continuous arc-shaped clamping hole are arranged to face each other.

3. A welding device for factory prefabricated folded inner liner pipes according to claim 2, characterized in that, An upper polyethylene clamping plate (12) is mounted on the upper card frame (4) of the polyethylene plate card frame (2), a lower polyethylene clamping plate (13) is mounted on the lower card frame (5) of the polyethylene plate card frame (2), a semicircular clamping hole II (14) is formed on the upper polyethylene clamping plate (12), and a semicircular clamping hole with a cut corner (15) is formed on the lower polyethylene clamping plate (13).

4. A welding device for factory prefabricated folded inner liner pipes according to claim 3, characterized in that The back side of the polyethylene plate (20) is provided with a strip-shaped protrusion (21) for clamping between the upper polyethylene clamping plate (12) and the lower polyethylene clamping plate (13) of the polyethylene plate card frame (2).

5. A welding device for factory prefabricated folded inner liner pipes according to claim 4, characterized in that The upper card frame (4) and the lower card frame (5) are each provided with a U-shaped slot (16) in the vertical direction, the locking structure comprises a hinge bolt (17) and a cap nut (18) screwed on the hinge bolt (17), the width of the U-shaped slot (16) is greater than the diameter of the threaded body of the hinge bolt (17) and less than the diameter of the cap nut (18); The hinge bolt (17) is rotationally connected to the lower card frame (5) at the U-shaped slot (16) through a rotating shaft (22).

6. A welding device for factory prefabricated folded inner liner pipes according to claim 1, characterized in that, The lower card frame (5) is sleeved and arranged on the straight rail (7), and the two ends of the straight rail (7) are fixedly installed on the support frame (19) in an L shape.

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