CN218823549U

CN218823549U - Hydrostatic bursting test machine for PE pipe finished product pipe

Info

Publication number: CN218823549U
Application number: CN202222729816.0U
Authority: CN
Inventors: 游庆林; 许学彬; 丁明德; 胡莉; 李正明
Original assignee: Hubei Emei Plastic Products Co ltd
Current assignee: Hubei Emei Plastic Products Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-07
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a quiet hydraulic blasting test machine of PE pipe finished product tubular product relates to PE pipe processing production technical field, including experimental box, sealed case lid and pipeline under pressure, the vertical direction in the inside bottom surface both sides of experimental box all is equipped with first flexible pneumatic cylinder, the expansion end fixed connection of first flexible pneumatic cylinder is equipped with the connecting guide arm, connecting guide arm top horizontal connection is equipped with the flexible pneumatic cylinder of second, the expansion end connection of the flexible pneumatic cylinder of second is equipped with spacing disc, the fixed link that is equipped with of spacing disc edge circumference array, link surface distribution is equipped with a plurality of concentric spacing rings, the spacing ring diminishes to central direction diameter equidistance along spacing disc edge, spacing ring through spacing disc surface is spacing to the PE pipe spacing hydraulic blasting test that carries on of the different pipe diameters of same thickness, be convenient for carry on spacing fixedly to the PE pipe in different apertures, increase experimental box and to the spacing suitability of PE pipe when blasting, moreover, the steam generator is simple structure, the spacing use of the PE pipe of being convenient for many adaptations.

Description

Hydrostatic bursting test machine for PE pipe finished product pipe

Technical Field

The utility model relates to a PE pipe processing production technical field especially relates to a hydrostatic bursting test machine of PE pipe finished product tubular product.

Background

The hydrostatic bursting test machine for the pipe, disclosed by the Chinese patent No. CN210401073U, comprises an outer box, a constant-temperature water tank, a PLC (programmable logic controller) and a high-pressure water pump; the PLC controller is arranged on the front side of the outer box, the high-pressure water pump is arranged on the right side of the outer box, the constant-temperature water tank is arranged in the inner cavity of the outer box, and the constant-temperature water tank and the inner cavity of the outer box are arranged in a superposition mode; the inner chamber right side of outer container is provided with the inlet tube, the inlet tube runs through and extends to the outside of outer container, and the outside inlet tube of outer container is connected with high pressure water pump, this hydrostatic bursting test of tubular product machine, the pipeline that detects is connected with flange, then detect the operation, detect the inside water pressure of detection pipeline through water pressure sensor, detect the temperature of test through temperature sensor, then show on the PLC controller, and easy operation, the operation of being convenient for, be convenient for observe the state of pipeline when detecting through the observation window.

When spacing the use to PE pipe inside in above-mentioned patent document, can't carry on spacingly to the PE pipe of different pipe diameter sizes, the suitability is poor, and the installation is inconvenient when the PE pipe passes through flange joint and uses, is unfavorable for quick dismantlement and the change when actual PE pipe blasting uses.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the hydrostatic bursting test machine of PE pipe finished product tubular product that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hydrostatic bursting test machine of PE pipe finished product tubular product, includes experimental box, sealed case lid and pipeline under pressure, the vertical direction in the inside bottom surface both sides of experimental box all is equipped with first flexible pneumatic cylinder, the expansion end fixed connection of first flexible pneumatic cylinder is equipped with the connecting rod, connecting rod top horizontal connection is equipped with the flexible pneumatic cylinder of second, the expansion end connection of the flexible pneumatic cylinder of second is equipped with spacing disc, the fixed link that is equipped with of spacing disc edge circumference array, link surface distribution is equipped with a plurality of concentric spacing rings, spacing ring diminishes along spacing disc edge to central direction diameter equidistance.

Preferably, the vertical evenly distributed in the inside side of experimental box is equipped with pressure sensor, experimental box external surface is equipped with PLC control display screen, PLC control display screen and pressure sensor electric connection, experimental box side is connected and is equipped with pipeline under pressure, pipeline under pressure keeps away from the one end connection of experimental box and is equipped with high-pressure suction pump, the one end connection that pipeline under pressure was kept away from to high-pressure suction pump is equipped with the water injection pipe.

Preferably, the first telescopic hydraulic cylinders, the second telescopic hydraulic cylinders, the connecting guide rods and the limiting discs are distributed in a linear uniform array along two sides in the test box body, the first telescopic hydraulic cylinders are adjacent to the second telescopic hydraulic cylinders and are controlled independently, the first telescopic hydraulic cylinders are adjacent to the first telescopic hydraulic cylinders and are controlled independently, the first telescopic hydraulic cylinders are controlled synchronously, and the second telescopic hydraulic cylinders are controlled synchronously.

Preferably, the surfaces of the limiting rings are fixed with the surface of the connecting frame, the distance between every two adjacent limiting rings is the same, and the horizontal center lines of the limiting discs on the two sides of the test box body are overlapped.

Preferably, the top surface of the test box body is clamped with a seal box cover, the side surface of the seal box cover connected with the test box body is provided with a seal lock catch, and the edge of the test box body connected with the seal box cover is sealed.

Preferably, the first telescopic hydraulic cylinder and the second telescopic hydraulic cylinder are externally subjected to waterproof treatment, the cross section of the front face of the connecting guide rod is L-shaped, and the moving directions of the first telescopic hydraulic cylinder and the second telescopic hydraulic cylinder are perpendicular to each other.

Preferably, the high-pressure suction pump and the joint seam of pressure pipeline and water injection pipe all adopt sealed processing, the outside edge of experimental box all adopts the fillet to handle.

Advantageous effects

The utility model discloses in, adopt the inside upper and lower removal through first flexible pneumatic cylinder and the flexible pneumatic cylinder control of second of experimental box to control about the spacing disc, spacing ring through spacing disc surface is spacing to the PE pipe of the different pipe diameters of same thickness carry out the hydraulic blasting test, is convenient for carry on spacing fixed to the PE pipe in different apertures, increases experimental box and manages spacing suitability to PE when blasting, simple structure, the spacing use of the many adaptations of the PE pipe of being convenient for.

Drawings

FIG. 1 is a split structure diagram of a hydrostatic bursting test machine for PE pipe finished pipes

FIG. 2 is a front sectional view of a hydrostatic bursting test machine for PE pipe finished pipes;

FIG. 3 is a side sectional view of a hydrostatic burst testing machine for PE pipe finished tubing;

fig. 4 is a schematic perspective structure view of a hydrostatic bursting test machine for a PE pipe finished product.

Illustration of the drawings:

1. a test box body; 2. sealing the box cover; 3. sealing and locking the lock; 4. a pressure line; 5. a high-pressure water pump; 6. a water injection pipe; 7. a pressure sensor; 8. the PLC controls the display screen; 9. a first telescopic hydraulic cylinder; 10. a second telescopic hydraulic cylinder; 11. connecting the guide rod; 12. a limiting disc; 13. a limiting ring; 14. and a connecting frame.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a hydrostatic bursting test machine for PE pipe finished products comprises a test box body 1, a sealed box cover 2 and a pressure pipeline 4, wherein first telescopic hydraulic cylinders 9 are arranged on two sides of the inner bottom surface of the test box body 1 in the vertical direction, a connecting guide rod 11 is fixedly connected to the movable end of each first telescopic hydraulic cylinder 9, a second telescopic hydraulic cylinder 10 is horizontally connected to the top end of each connecting guide rod 11, the movable end of each first telescopic hydraulic cylinder 9 is telescopic, the connecting guide rod 11 drives the second telescopic hydraulic cylinder 10 and a limiting disc 12 connected with the second telescopic hydraulic cylinder to move up and down to adjust positions, so that the limiting PE pipe can be conveniently placed and taken out, the movable end of each first telescopic hydraulic cylinder 9 extends to drive the limiting disc 12 to vertically ascend to the top of the test box body 1, and the PE pipe can be placed outside the test box body 1, the PE pipe positioning device is convenient to operate and take PE pipes out of and place, the distance between the adjacent same planes of the limiting disks 12 is adjusted through the expansion of the movable end of the second telescopic hydraulic cylinder 10, the PE pipes with different lengths are convenient to adapt, the PE pipes are convenient to limit, the movable end of the second telescopic hydraulic cylinder 10 is connected with the limiting disks 12, the connecting frames 14 are fixedly arranged on the peripheral arrays of the edges of the limiting disks 12, the surface of each connecting frame 14 is provided with a plurality of concentric limiting rings 13, the diameters of the limiting rings 13 are reduced along the edges of the limiting disks 12 to the center direction at equal intervals, when the PE pipe is used in a blasting test, due to the buoyancy of water, when the PE pipe is placed in the box body, a certain limiting device is needed to fix the position, and the PE pipe is limited and fixed through the expansion adjustment of the first telescopic hydraulic cylinder 9 and the second telescopic hydraulic cylinder 10, clamping is carried out according to the thickness between the inner wall and the outer wall of the PE pipe and the distance between the limiting rings 13, a proper clamping position is selected according to the diameters of the inner wall and the outer wall of the PE pipe, after clamping, the movable end of the second telescopic hydraulic cylinder 10 extends, the PE pipe is clamped secondarily to prevent falling off, as the two ends of the limiting rings 13 penetrate through, the contact between the water flow of the test box body 1 and the outer wall of the PE pipe is carried out by hydraulic test, meanwhile, the water flow enters the interior of the PE pipe through the two ends of the limiting rings 13 to carry out hydraulic blasting test, the upper side and the lower side and the left side of the limiting disc 12 are controlled by the first telescopic hydraulic cylinder 9 and the second telescopic hydraulic cylinder 10 in the test box body 1, the limiting rings 13 on the surfaces of the limiting discs 12 are used for limiting and carrying out the hydraulic blasting test on the PE pipes with the same thickness and different pipe diameters, and the PE pipes with different diameters are convenient to carry out limiting and fixing, the adaptability of the test box body 1 for limiting the PE pipe during blasting is improved, the structure is simple, the PE pipe is convenient to use in multiple adaptation and limiting modes, the pressure sensors 7 are vertically and uniformly distributed on the inner side surface of the test box body 1, the PLC control display screen 8 is arranged on the outer surface of the test box body 1, the PLC control display screen 8 is electrically connected with the pressure sensors 7 (a product manual can be checked by a working circuit of the control chip through a control chip such as an STM32U 585), the pressure threshold value of the pressure sensors 7 is adjusted through the PLC control display screen 8, the PE pipe can be conveniently tested and used under different pressure parameters, the PLC control display screen 8 displays the pressure value measured by the pressure sensors 7, the pressure pipeline 4 is connected on the side surface of the test box body 1, one end of the pressure pipeline 4, far away from the test box body 1, is connected with a high-pressure water suction pump 5, one end of the high-pressure water suction pump 5, far away from the pressure pipeline 4, is connected with a water injection pipe 6, a high-pressure water pump 5 is connected with a water source through a water injection pipe 6, water flow enters a test box body 1 through a pressure pipeline 4 for testing, how to adjust the pressure inside the test box body 1 can refer to the principle of the existing testing machine, and outside the protection range of the application, a first telescopic hydraulic cylinder 9, a second telescopic hydraulic cylinder 10, a connecting guide rod 11 and a limiting disc 12 are all distributed along two linear uniform arrays inside the test box body 1, so that PE pipelines with various sizes can be simultaneously subjected to blasting tests, the adjacent second telescopic hydraulic cylinders 10 are mutually independently controlled, the adjacent first telescopic hydraulic cylinders 9 are mutually independently controlled, the first telescopic hydraulic cylinders 9 on two sides are synchronously controlled, the second telescopic hydraulic cylinders 10 on two sides are synchronously controlled, the surfaces of limiting rings 13 are fixed with the surface of a connecting frame 14, the intervals between the adjacent limiting rings 13 are the same, the spacing rings 13 between the adjacent limiting discs 12 on the same side inside the test box body 1 can be set with different intervals, the spacing processing is convenient for the PE pipelines with different thicknesses, if the spacing between the spacing rings 13 on the surface of the first spacing disc 12 is 1cm, the spacing between the spacing rings 13 on the surface of the second spacing disc 12 is 2cm, and so on, the first spacing ring 13 can limit the PE pipes with different thicknesses and diameters of 1cm, the second spacing ring 13 can limit the PE pipes with different diameters and diameters of 2cm, thereby realizing the adaptation spacing of the PE pipes with different sizes and thicknesses, the horizontal central lines of the spacing discs 12 on the two sides of the test box body 1 are mutually overlapped, the top surface of the test box body 1 is clamped with a sealing box cover 2, the connecting side surface of the sealing box cover 2 and the test box body 1 is provided with a sealing lock catch 3, the connecting edges of the test box body 1 and the sealing box cover 2 are both sealed, the outsides of the first telescopic hydraulic cylinder 9 and the second telescopic hydraulic cylinder 10 are both waterproof, the positive cross-section of connecting guide arm 11 is the L type, and the activity direction mutually perpendicular of the flexible pneumatic cylinder 10 of first flexible pneumatic cylinder 9 and second, and high-pressure suction pump 5 all adopts sealed processing with the joint seam department of pipeline under pressure 4 and

water injection pipe

6, and 1 outside edge of experimental box all adopts the fillet to handle, prevents that rivers from leaking, improves the leakproofness.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hydrostatic bursting test machine of PE pipe finished product tubular product, includes experimental box (1), sealed case lid (2) and pipeline under pressure (4), its characterized in that: the vertical direction in inside bottom surface both sides of experimental box (1) all is equipped with first flexible pneumatic cylinder (9), the expansion end fixed connection of first flexible pneumatic cylinder (9) is equipped with connecting arm (11), connecting arm (11) top horizontal connection is equipped with the flexible pneumatic cylinder of second (10), the expansion end connection of the flexible pneumatic cylinder of second (10) is equipped with spacing disc (12), spacing disc (12) edge circumference array is fixed and is equipped with link (14), link (14) surface distribution is equipped with a plurality of concentric spacing rings (13), spacing ring (13) diminish along spacing disc (12) edge to central direction diameter equidistance, experimental box (1) side is connected and is equipped with pipeline under pressure (4), pipeline under pressure (4) keep away from the one end connection of experimental box (1) and is equipped with high-pressure suction pump (5), the one end connection that pipeline under pressure (4) were kept away from in high-pressure suction pump (5) is equipped with water injection pipe (6).

2. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 1, wherein: vertical evenly distributed in the inside side of experimental box (1) is equipped with pressure sensor (7), experimental box (1) outside surface is equipped with PLC control display screen (8), PLC control display screen (8) and pressure sensor (7) electric connection.

3. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 1, wherein: first flexible pneumatic cylinder (9), the flexible pneumatic cylinder of second (10), connecting rod (11) and spacing disc (12) all along the even array distribution of the inside both sides straight line of experimental box (1), adjacent the flexible pneumatic cylinder of second (10) all mutual independent control, it is adjacent first flexible pneumatic cylinder (9) all mutual independent control, both sides first flexible pneumatic cylinder (9) synchro control, both sides the flexible pneumatic cylinder of second (10) synchro control.

4. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 1, wherein: the surface of the limiting ring (13) is fixed with the surface of the connecting frame (14), the distance between the adjacent limiting rings (13) is the same, and the horizontal center lines of the limiting discs (12) on the two sides of the test box body (1) are overlapped.

5. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 1, wherein: the test box body (1) top surface block is equipped with sealed case lid (2), sealed case lid (2) are connected the side with test box body (1) and are equipped with sealed hasp (3), test box body (1) all adopts sealed processing with sealed case lid (2) joint edge.

6. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 1, wherein: the outside of the first telescopic hydraulic cylinder (9) and the second telescopic hydraulic cylinder (10) are subjected to waterproof treatment, the front section of the connecting guide rod (11) is L-shaped, and the moving directions of the first telescopic hydraulic cylinder (9) and the second telescopic hydraulic cylinder (10) are mutually perpendicular.

7. The hydrostatic bursting test machine for the PE pipe finished product pipe as claimed in claim 2, wherein: the high-pressure water suction pump (5) and the joint of the pressure pipeline (4) and the water injection pipe (6) are sealed, and the outer edge of the test box body (1) is processed by round corners.