CN211821081U

CN211821081U - Water closing testing device between PE winding pipe and flaring pipe fitting

Info

Publication number: CN211821081U
Application number: CN202020101652.5U
Authority: CN
Inventors: 麻志勇; 麻书玉
Original assignee: Nanjing Jishida Waterproof Engineering Co ltd
Current assignee: Nanjing Jishida Waterproof Engineering Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-30
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a water test device that closes between PE winding tubular product and flaring pipe fitting uses at tubular product detection technology field, and its technical scheme main points are: including base and two Y type supports, Y type support includes fixed sleeve and Y type adjustable shelf, the connection of sliding of Y type adjustable shelf is in fixed sleeve, the internal tooth has been seted up along vertical direction with one side of two Y type adjustable shelves, the quad slit has been seted up on the fixed sleeve's the lateral wall, be provided with the square cover that the quad slit was established to the cover on the fixed sleeve's the lateral wall, it is connected with the regulation pole to rotate between two square covers, be provided with the hand wheel after the one end of adjusting the pole extends square cover, it all is provided with the gear with internal tooth engaged with to adjust the part that the pole is located two square covers, be provided with the setting element that is used for injecing. The utility model discloses the technical effect who has is: the height of the final two Y-shaped supports can be ensured to be consistent all the time, so that the pipe can be aligned to the air bag support frame to carry out water closing test detection.

Description

Water closing testing device between PE winding pipe and flaring pipe fitting

Technical Field

The utility model relates to a tubular product detects technical field, in particular to water test device that closes between PE winding tubular product and flaring pipe fitting.

Background

The PE winding pipe and the flaring pipe are connected, so that the hidden danger of liquid leakage often exists in the using process, and in order to ensure the using safety, before the pipe leaves a factory, a factory needs to perform a hydraulic pressure experiment on each pipe to detect whether the sealing effect of the joint of the pipe meets the requirement.

Chinese patent with publication number CN109060257A discloses a water-closing test device between PE winding pipe and flared pipe fitting, the structure of which includes a base, a guide rail is provided on the base, one end of the base is connected with an air bag support frame through the guide rail in a sliding manner, the other end of the base is provided with a Y-shaped support frame, the air bag support frame includes a disc-shaped top ring, two sides of the circumference of the disc-shaped top ring are respectively provided with a first air bag and a second air bag, the circumference of the outer side of the disc-shaped top ring forms a water-closing groove with the first air bag and the second air bag, the Y-shaped support frame includes a sleeve fixed on the base and a Y-shaped frame body connected with the sleeve in a sliding manner, the sleeve is provided with a plurality of jacks, the sleeve and the Y-shaped frame body are fixedly connected through bolts, the first air bag is provided with a first air valve.

The above prior art solutions have the following drawbacks: current test device that closes water, need the staff to adjust the height of two Y type supports respectively, in order to satisfy the needs that tubular product detected height, however when the in-process that upwards manually promotes two Y type supports respectively, it is difficult to guarantee the final unanimity of height of two Y type supports, thereby place back on two Y type supports when tubular product, it is high one low to lead to the tubular product both ends to appear very easily, and hardly discover with the naked eye, make tubular product can't aim at the gasbag support frame, thereby cause the influence to the normal test that closes water of tubular product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water test device that closes between PE winding tubular product and flaring pipe fitting, its advantage is: the height of the final two Y-shaped supports can be ensured to be consistent all the time, so that the pipe can be aligned to the air bag support frame to carry out water closing test detection.

The above technical purpose of the present invention can be achieved by the following technical solutions: a water closing test device between a PE (polyethylene) winding pipe and an expanding pipe fitting comprises a base and two Y-shaped supports, wherein each Y-shaped support comprises a fixed sleeve and a Y-shaped movable frame, the bottom of the fixed sleeve is fixed on the base, the Y-shaped movable frames are connected in the fixed sleeve in a sliding mode along the vertical direction, the outer peripheral wall of each Y-shaped movable frame is matched with the inner peripheral wall of the fixed sleeve, inner teeth are arranged on the same side of the two Y-shaped movable frames along the vertical direction, square holes exposing the inner teeth are formed in the side wall of the fixed sleeve, square covers covering the square holes are arranged on the side wall of the fixed sleeve, an adjusting rod is arranged between the two square covers, two ends of the adjusting rod are respectively and rotatably connected to the two square covers, a hand wheel is fixedly arranged after one end of the adjusting rod extends out of the square covers, and gears meshed with the inner teeth are arranged on the parts of, and the fixed sleeve is provided with a positioning piece for limiting the position of the Y-shaped movable frame.

According to the technical scheme, the hand wheel is rotated to drive the adjusting rod to rotate, the Y-shaped movable frame is driven to move up and down through the meshing of the gear and the inner teeth until the requirement for the placement height of the pipe is met, the positioning piece is used for limiting the position of the Y-shaped movable frame at the moment so as to prevent the Y-shaped movable frame from falling downwards under the action of gravity, and therefore an operator can loosen the hand wheel, place the pipe on the two Y-shaped supports and perform water-closing test detection on the pipe; the structure for adjusting the heights of the two Y-shaped supports can realize synchronous lifting of the two Y-shaped supports, so that the heights of the two Y-shaped supports are ensured to be consistent all the time, and pipes are aligned to the air bag support frame to perform water closing test detection.

The utility model discloses further set up to: the setting element is including card strip, torsional spring and dead lever, dead lever fixed connection is on fixed sleeving's lateral wall, the one end of card strip is rotated and is connected on the dead lever, the torsional spring cover is established on the dead lever, just the both ends of torsional spring are fixed in respectively on dead lever and the card strip, work as when the torsional spring is in natural state, card strip card is on the internal tooth.

Through above-mentioned technical scheme, after the height of Y type support is in order to adjust to the Y type adjustable shelf that goes up and down, this moment under the effect of torsional spring torsion, the card strip has an upward pivoted trend all the time to the card strip firmly blocks on the internal tooth, in order to restrict the position of Y type adjustable shelf, guarantees the support stability of Y type adjustable shelf to tubular product.

The utility model discloses further set up to: the side wall of the fixed sleeve is fixedly provided with two convex blocks, the two convex blocks are provided with through holes, two perforated pin shafts are arranged between the two convex blocks, two ends of each pin shaft extend out of the two through holes, and the clamping strip is provided with insertion holes for the pin shafts to insert.

Through above-mentioned technical scheme, when normally when going up and down to the Y type adjustable shelf, because the torsion of torsional spring orders about the card strip card all the time on the internal tooth, influence the normal lift of Y type adjustable shelf, therefore need fix the card strip to the restriction card strip upwards rotates, downwards rotates the card strip this moment, makes the jack alignment round pin axle on the card strip, then promotes the round pin axle and causes the round pin axle to insert in the jack, thereby can fix the position of card strip, in order to guarantee the normal lift of Y type adjustable shelf.

The utility model discloses further set up to: the part of the pin shaft between the two convex blocks is sleeved with a spring, one end of the spring is fixedly connected to the convex block far away from one side of the clamping strip, the part of the pin shaft between the two convex blocks is fixedly provided with a supporting block with the size larger than that of the through hole, and the other end of the spring is tightly supported on the supporting block.

Through above-mentioned technical scheme, under the elastic force effect of spring, order about the round pin axle and move towards the card strip all the time to when the round pin axle inserts in the jack, can effectively restrict the outside roll-off of round pin axle, thereby can fix the card strip steadily, improve the spacing stability to the card strip.

The utility model discloses further set up to: the setting element includes the location tooth, the location tooth rotates to be connected on fixed sleeving's lateral wall, the fixed cooperation tooth that is provided with and fixes a position tooth and meshes mutually on the regulation pole, two waist type grooves have been seted up along centre of a circle symmetry to the terminal surface of location tooth, the radian in waist type groove is unanimous with the radian of location tooth, a plurality of screw holes have been seted up along location tooth turning point periphery on the fixed sleeving's lateral wall, the positioning bolt who wears to be equipped with screw hole threaded connection in the waist type inslot.

Through the technical scheme, adjust the pole and rotate the in-process, through the meshing of cooperation tooth and location tooth, can drive the location tooth and rotate, after the height of Y type movable rack in order to adjust Y type support goes up and down, can insert positioning bolt to waist type inslot this moment, and screw up positioning bolt to the threaded hole, until positioning bolt's head support tightly on the terminal surface of location tooth, thereby can restrict the rotation of location tooth, and then restrict the regulation pole and rotate, finally restrict the position of Y type movable rack steadily, in order to guarantee the support stability of Y type movable rack to tubular product.

The utility model discloses further set up to: the positioning bolt is sleeved with a gasket with the diameter larger than the width of the waist-shaped groove, and the end face of the positioning tooth is provided with a sinking groove for the gasket to sink into along the periphery of the waist-shaped groove.

Through the technical scheme, the contact area between the head of the positioning bolt and the end face of the positioning tooth can be increased by the arranged gasket, so that the fixing stability of the positioning bolt to the positioning tooth can be improved.

The utility model discloses further set up to: the base is located and is provided with the fagging between two Y type supports, it runs through and the swivelling joint is on the fagging to adjust the pole.

Through above-mentioned technical scheme, indulge the stay plate and be used for supporting the regulation pole to improve the steadiness of adjusting the pole, reduce under tubular product action of gravity, lead to adjusting pole both ends atress too big and produce the possibility of deformation.

The utility model discloses further set up to: and a silica gel pad is arranged on the upper surface of the upper Y-shaped part of the Y-shaped movable frame.

Through above-mentioned technical scheme, the silica gel pad that sets up has increaseed the frictional force between the upper surface of Y type adjustable shelf and tubular product to the stability of placing tubular product has been improved.

To sum up, the utility model discloses following beneficial effect has:

1. the structure for adjusting the heights of the two Y-shaped supports can realize synchronous lifting of the two Y-shaped supports, so that the heights of the two Y-shaped supports are always consistent, and a pipe can be aligned to an air bag support frame to carry out water closing test detection;

2. after the height of the Y-shaped support is adjusted, the clamping strip always has a trend of rotating upwards under the action of torsion of the torsion spring, so that the clamping strip is firmly clamped on the inner teeth to limit the position of the Y-shaped movable frame and ensure the support stability of the Y-shaped movable frame to the pipe;

3. the clamping strip is rotated downwards, so that the pin shaft is aligned to the pin hole in the clamping strip, then the pin shaft is pushed to enable the pin shaft to be inserted into the pin hole, and therefore the position of the clamping strip can be fixed, and normal lifting of the Y-shaped movable frame is guaranteed.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

FIG. 2 is a schematic structural diagram of an embodiment for embodying the inside of a square cover.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic view of the overall structure of the second embodiment.

Fig. 5 is an enlarged view of a portion B in fig. 4.

FIG. 6 is a schematic structural diagram of an embodiment for embodying a positioning tooth.

Reference numerals: 1. a base; 2. a Y-shaped bracket; 21. fixing the sleeve; 22. a Y-shaped movable frame; 3. internal teeth; 4. a square hole; 5. a square cover; 6. adjusting a rod; 7. a hand wheel; 8. a gear; 9. a positioning member; 91. clamping the strip; 92. a torsion spring; 93. fixing the rod; 94. a bump; 95. perforating; 96. a pin shaft; 97. a jack; 98. a spring; 99. a resisting block; 901. positioning teeth; 902. matching teeth; 903. a waist-shaped groove; 904. a threaded hole; 905. positioning the bolt; 906. a gasket; 907. sinking a groove; 10. a longitudinal supporting plate; 11. a silica gel pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a water closing test device between a PE winding pipe and an flaring pipe fitting is disclosed, as shown in figures 1 and 2, and comprises a base 1 and two Y-shaped supports 2 vertically standing on the base 1, wherein each Y-shaped support 2 comprises a fixed sleeve 21 and a Y-shaped movable frame 22, the bottoms of the fixed sleeves 21 are fixedly arranged on the base 1, the fixed sleeves 21 are square and are arranged in a hollow manner, the lower parts of the Y-shaped movable frames 22 vertically slide in the fixed sleeves 21, the outer peripheral walls of the Y-shaped movable frames 22 are matched with the inner peripheral walls of the fixed sleeves 21, inner teeth 3 are respectively arranged on the outer walls of the two Y-shaped movable frames 22 positioned on the same side along the vertical direction, square holes 4 are respectively arranged on the side walls of the two fixed sleeves 21 and are communicated with the inner cavity of the fixed sleeves 21 so that part of the inner teeth 3 are exposed, the two square holes 4 are positioned at the same height, square covers 5 for covering the square holes 4 are fixedly arranged on, two fixed sleeving 21 are provided with towards one side of square cover 5 and adjust pole 6, and it is the level setting to adjust 6 perpendicular to fixed sleeving 21 of pole, adjusts pole 6 and wears to establish two square covers 5 to the swivelling joint is on two square covers 5, and is being provided with hand wheel 7 at the fixed one end of adjusting pole 6, so that the staff rotates and adjusts pole 6.

As shown in fig. 1 and 2, a longitudinal supporting plate 10 is arranged in the middle of the two Y-shaped brackets 2, the longitudinal supporting plate 10 is vertically erected on the base 1, the bottom of the longitudinal supporting plate 10 is fixedly connected with the base 1, the adjusting rod 6 penetrates through and is rotatably connected to the longitudinal supporting plate 10, and the adjusting rod 6 can be supported by the longitudinal supporting plate 10, so that the operation stability of the adjusting rod 6 is improved. The part of adjusting pole 6 in two square covers 5 all is fixed be provided with the gear 8 of 3 intermeshing of internal teeth, thereby when the height of two Y type supports 2 of needs adjustment, the staff can rotate hand wheel 7 in order to order about adjusting pole 6 and rotate, adjust the rotation of pole 6 and drive two gears 8 and rotate, and then through the meshing of gear 8 and internal tooth 3, can drive two synchronous oscilaltions of Y type adjustable shelf 22, so that reach the demand that the height was placed to tubular product after, stall hand wheel 7, and be provided with the setting element 9 that is used for injecing Y type adjustable shelf 22 position on fixed sleeving 21.

Referring to fig. 1 and 3, the positioning member 9 includes a locking strip 91, a torsion spring 92 and a fixing rod 93, one end of the locking strip 91 is rotatably connected to the fixing rod 93, the fixing rod 93 is fixedly disposed on the outer wall of the fixing sleeve 21 facing the adjusting lever 6, the torsion spring 92 is sleeved on the fixing rod 93, and two ends of the torsion spring 92 are respectively fixed to the fixing rod 93 and the locking strip 91, under the action of the torsion spring 92, the driving clamping strip 91 always has a tendency of rotating upwards, therefore, after the height of the Y-shaped bracket 2 is adjusted, the clamping strip 91 is loosened, the clamping strip 91 rotates upwards under the action of the torsion force of the torsion spring 92 and is finally firmly clamped on the inner teeth 3, so as to limit the position of the Y-shaped movable frame 22 and prevent the Y-shaped movable frame 22 from falling down under the action of gravity, therefore, an operator can loosen the hand wheel 7, place the pipe on the two Y-shaped supports 2, and perform water-closing test detection on the pipe. The structure for adjusting the heights of the two Y-shaped supports 2 can realize synchronous lifting of the two Y-shaped supports 2, so that the heights of the two Y-shaped supports 2 are always consistent, and the pipes are aligned to the air bag support frame to perform water closing test detection.

As shown in fig. 3, due to the torsion of the torsion spring 92, the clip strip 91 always rotates upward and is clipped on the internal teeth 3, so that when the Y-shaped movable frame 22 is lifted, the clip strip 91 needs to be fixed to limit the upward rotation of the clip strip 91, two lateral parallel protrusions 94 are fixedly arranged on the outer wall of the fixed sleeve 21 at one side of the clip strip 91, the two protrusions 94 are positioned below the clip strip 91, through holes 95 are transversely formed on the two protrusions 94, pin shafts 96 are inserted into the two through holes 95, the two protrusions 94 respectively extend from two ends of the pin shaft 96, one end of the pin shaft 96, which is far away from the clip strip 91, bends downward by 90 degrees to form a structure for limiting the pin shaft 96 itself, and a plug hole 97 for inserting the pin shaft 96 is transversely formed through the clip strip 91 at one side of the clip strip 91, so that when the position of the clip strip 91 needs to be fixed, the clip strip 91 rotates downward to make the plug hole 97 on the clip strip 91 align, then, the pin shaft 96 is pushed to cause the pin shaft 96 to be inserted into the insertion hole 97, so that the upward rotation of the clamping strip 91 can be limited to ensure the normal lifting of the Y-shaped movable frame 22.

As shown in fig. 3, a spring 98 is sleeved on a part of the pin shaft 96 between the two protrusions 94, one end of the spring 98 is fixedly arranged on the protrusion 94 far away from one side of the clamping strip 91, meanwhile, a supporting block 99 is fixedly sleeved on a part of the pin shaft 96 between the two protrusions 94, and the diameter of the supporting block 99 is larger than the aperture of the through hole 95, so that the other end of the spring 98 is tightly supported on the supporting block 99, due to the elastic force of the spring 98, the pin shaft 96 can be pushed to move towards the clamping strip 91 all the time, and when the pin shaft 96 is inserted into the insertion hole 97, the outward sliding of the pin shaft 96 can be effectively limited, so that the clamping strip 91 can be stably fixed, and the limiting stability of the clamping strip 91.

As shown in fig. 1, a silicone pad 11 is disposed on the upper surface of the Y-shaped portion of the upper portion of the Y-shaped movable frame 22, for increasing the friction between the upper surface of the Y-shaped movable frame 22 and the outer wall of the pipe, so as to improve the stability of the pipe.

The operation process is as follows: when the height of two Y type supports 2 need to be adjusted, the staff can rotate hand wheel 7 in order to order about regulation pole 6 and rotate, regulation pole 6 rotates and drives two gears 8 and rotate, and then through the meshing of gear 8 and internal tooth 3, can drive two synchronous oscilaltions of Y type adjustable shelf 22, so that reach behind the demand that the height was placed to the tubular product, stall hand wheel 7, card strip 91 upwards rotates under the effect of torsional spring 92 torsional force this moment, finally firmly block on internal tooth 3, in order to restrict the position of Y type adjustable shelf 22, in order to prevent Y type adjustable shelf 22 from dropping downwards under the action of gravity, thereby operating personnel can loosen hand wheel 7, place tubular product on two Y type supports 2, carry out the test of closing water to the tubular product and detect.

Example 2: a water closing test device between a PE winding pipe and a flared pipe fitting is shown in figures 4 and 5 and is different from embodiment 1 in that a positioning piece 9 comprises a positioning tooth 901, the positioning tooth 901 is attached to and rotatably connected to a side wall of a fixed sleeve 21, the side wall is a side wall which is close to the fixed sleeve 21 and faces towards an adjusting rod 6, and a matching tooth 902 meshed with the positioning tooth 901 is fixedly arranged on the adjusting rod 6, so that in the rotating process of the adjusting rod 6, the positioning tooth 901 can be driven to rotate through the meshing of the matching tooth 902 and the positioning tooth 901. Two waist-shaped grooves 903 with the radian consistent with that of the positioning teeth 901 are symmetrically formed in the end face of the positioning teeth 901 along the circle center, a plurality of threaded holes 904 (shown in fig. 6) are formed in the side wall of the fixed sleeve 21 along the periphery of the rotation point of the positioning teeth 901, and positioning bolts 905 in threaded connection with the threaded holes 904 are inserted into the waist-shaped grooves 903, so that after the height of the Y-shaped support 2 is adjusted, the positioning bolts 905 are inserted into the waist-shaped grooves 903 and screwed into the threaded holes 904 until the heads of the positioning bolts 905 abut against the end face of the positioning teeth 901, the rotation of the positioning teeth 901 can be limited, the rotation of the adjusting rod 6 can be limited, and finally the position of the Y-shaped movable frame 22 can be stably limited, so that the Y-shaped movable frame 22 is prevented from falling downwards under the action of gravity.

As shown in fig. 6, in addition, a metal gasket 906 is sleeved on the positioning bolt 905, the outer diameter of the metal gasket 906 is greater than the width of the waist-shaped groove 903, and a sinking groove 907 for the gasket 906 to sink into is formed in the end surface of the positioning tooth 901 along the periphery of the waist-shaped groove 903, so that after the positioning bolt 905 is screwed down, the gasket 906 is pressed in the sinking groove 907, the contact area between the head of the positioning bolt 905 and the end surface of the positioning tooth 901 can be increased through the gasket 906, and the positioning stability of the positioning bolt 905 on the positioning tooth 901 can be improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a water testing arrangement that closes between PE winding tubular product and flaring pipe fitting, includes base (1) and two Y type supports (2), its characterized in that: the Y-shaped support (2) comprises a fixed sleeve (21) and a Y-shaped movable frame (22), the bottom of the fixed sleeve (21) is fixed on the base (1), the Y-shaped movable frame (22) is connected in the fixed sleeve (21) in a sliding manner along the vertical direction, the outer peripheral wall of the Y-shaped movable frame (22) is matched with the inner peripheral wall of the fixed sleeve (21), two inner teeth (3) are arranged on the same side of the Y-shaped movable frame (22) along the vertical direction, square holes (4) exposing the inner teeth (3) are formed in the side wall of the fixed sleeve (21), square covers (5) covering the square holes (4) are arranged on the side wall of the fixed sleeve (21), an adjusting rod (6) is arranged between the square covers (5), the two ends of the adjusting rod (6) are respectively connected on the two square covers (5) in a rotating manner, a hand wheel (7) is fixedly arranged after one end of the adjusting rod (6) extends out of the square covers (5), the adjusting rod (6) is arranged on the two square covers (5), gears (8) meshed with the inner teeth (3) are arranged on the adjusting rod, and positioning pieces (9) used for limiting the positions of the Y-shaped movable frames (22) are arranged on the fixed sleeves (21).

2. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 1, wherein: the locating piece (9) comprises a clamping strip (91), a torsion spring (92) and a fixing rod (93), the fixing rod (93) is fixedly connected to the side wall of the fixing sleeve (21), one end of the clamping strip (91) is rotatably connected to the fixing rod (93), the torsion spring (92) is sleeved on the fixing rod (93), the two ends of the torsion spring (92) are fixed to the fixing rod (93) and the clamping strip (91) respectively, and when the torsion spring (92) is in a natural state, the clamping strip (91) is clamped on the inner teeth (3).

3. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 2, wherein: the fixing sleeve is characterized in that two protruding blocks (94) are fixedly arranged on the side wall of the fixing sleeve (21), through holes (95) are formed in the two protruding blocks (94), pin shafts (96) with two ends respectively extending out of the two through holes (95) are arranged between the two protruding blocks (94), and inserting holes (97) for the pin shafts (96) to be inserted are formed in the clamping strips (91).

4. The water shut-off test device between the PE wound pipe and the flared pipe fitting as claimed in claim 3, wherein: the part of the pin shaft (96) between the two convex blocks (94) is sleeved with a spring (98), one end of the spring (98) is fixedly connected to the convex block (94) far away from one side of the clamping strip (91), a supporting block (99) with the size larger than that of the through hole (95) is fixedly arranged on the part of the pin shaft (96) between the two convex blocks (94), and the other end of the spring (98) is tightly supported on the supporting block (99).

5. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 1, wherein: the positioning piece (9) comprises a positioning tooth (901), the positioning tooth (901) is rotatably connected to the side wall of the fixed sleeve (21), a matching tooth (902) meshed with the positioning tooth (901) is fixedly arranged on the adjusting rod (6), two waist-shaped grooves (903) are symmetrically formed in the end face of the positioning tooth (901) along the circle center, the radian of each waist-shaped groove (903) is consistent with that of the positioning tooth (901), a plurality of threaded holes (904) are formed in the side wall of the fixed sleeve (21) along the rotating point periphery of the positioning tooth (901), and positioning bolts (905) in threaded connection with the threaded holes (904) penetrate through the waist-shaped grooves (903).

6. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 5, wherein: the positioning bolt (905) is sleeved with a gasket (906) with the diameter larger than the width of the waist-shaped groove (903), and the end face of the positioning tooth (901) is provided with a sinking groove (907) for the gasket (906) to sink into along the periphery of the waist-shaped groove (903).

7. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 1, wherein: the base (1) is arranged between the two Y-shaped supports (2) and is provided with a longitudinal supporting plate (10), and the adjusting rod (6) penetrates through and is rotatably connected to the longitudinal supporting plate (10).

8. The water shut-off test device between the PE winding pipe and the flared pipe fitting as claimed in claim 1, wherein: and a silica gel pad (11) is arranged on the upper surface of the upper Y-shaped part of the Y-shaped movable frame (22).