CN111175122A

CN111175122A - Testing device for spalling in water pipe machining process

Info

Publication number: CN111175122A
Application number: CN202010085374.3A
Authority: CN
Inventors: 夏波
Original assignee: Guangzhou Xunlei Technology Co ltd
Current assignee: Guangzhou Xunlei Technology Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-05-19

Abstract

The invention discloses a testing device for spalling in a water pipe machining process, which comprises a box body, wherein a fixed cylinder is inserted in the middle of one side of the box body, a sample pipe is inserted in one end, positioned in the box body, of the fixed cylinder, a clamping ring is bonded on the outer wall of one end of the sample pipe, and a clamping groove is formed in the inner wall, close to one end of the sample pipe, of the fixed cylinder. When the device is used, the electric push rod drives the plunger piston to be inserted into one end of the sample tube through the connecting plate, the two convex rings are clamped into the two grooves respectively to seal one end of the sample tube, the clamping ring is clamped into the clamping groove of the fixed cylinder to seal the other end of the fixed cylinder, leakage of the sample tube in the test process is avoided, the water supply mechanism supplies water into the sample tube, the water pressure borne by the inner wall of the sample tube is gradually increased due to the fact that water flow cannot circulate, the bursting test of the sample tube is completed, the sample tube is clamped and sealed through the electric push rod, and preparation work of the bursting test is simplified.

Description

Testing device for spalling in water pipe machining process

Technical Field

The invention relates to the technical field of water pipe machining, in particular to a test device for spalling in a water pipe machining process.

Background

At present, water pipes are used as water supply pipelines, modern decoration water pipes are constructed in a wall-buried mode, the water pipes are classified into three types, and the first type is metal pipes, such as hot-dip cast iron pipes with inner enamel plastics, copper pipes, stainless steel pipes and the like. The second type is plastic-clad metal pipes, such as plastic-clad steel pipes, aluminum-plastic composite pipes and the like. The third type is plastic tubes such as PB, PP-R, etc.

To the water pipe of plastics material, need carry out the spalling test to its sample before putting into production, convenient to use person masters its bearing capacity and life to water pressure, and it is poor to have the airtight effect of sample pipe among the current water pipe spalling test process, and fixed step is complicated scheduling problem causes very big interference to the test process, needs to design a test device for spalling in the water pipe course of working urgent need to solve above-mentioned problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a test device for spalling in the water pipe machining process.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a test device for spalling in water pipe course of working, the power distribution box comprises a box body, it has the solid fixed cylinder to peg graft at the middle part of box one side, and the solid fixed cylinder is located the inside one end of box and pegs graft and have the sample cell, the outer wall of sample cell one end bonds and has the snap ring, and the solid fixed cylinder is close to the inner wall of sample cell one end and seted up the draw-in groove, the snap ring joint is in the inside of draw-in groove, and there is electric putter bottom that the box is close to solid fixed cylinder one side inner wall through bolted connection, electric putter's one end fixedly connected with connecting plate, and the top of connecting plate bonds and has the plunger, the external diameter of plunger and the internal diameter looks adaptation of sample cell, and the surperficial circumference of plunger has seted up two recesses.

As a still further scheme of the invention: the inner wall welding that the box kept away from fixed section of thick bamboo one side has two springs, and the one end welding of two springs has same straight board, and straight board parallel arrangement is in one side of connecting plate.

As a still further scheme of the invention: the top of box is provided with the apron, and the top fixedly connected with handle of apron.

As a still further scheme of the invention: the bottom of the cover plate is fixedly connected with a sealing plug, and the outer diameter of the sealing plug is matched with the inner diameter of the box body.

As a still further scheme of the invention: the cross-section of snap ring sets up to isosceles trapezoid, and the snap ring adopts the rubber material.

As a still further scheme of the invention: one side of box is provided with the observation window, and the observation window adopts the ya keli material.

As a still further scheme of the invention: and a timer is arranged on one side of the box body close to the observation window.

As a still further scheme of the invention: and the middle position of the bottom of the sealing plug is fixedly connected with a resistance heater.

As a still further scheme of the invention: the billet has all been welded at the top of box both sides inner wall, and the top of two billets is provided with same aluminum plate, and the both sides at aluminum plate top all are provided with the permanent magnet.

The invention has the beneficial effects that:

1. by arranging the plunger, the snap ring, the fixed cylinder and the electric push rod, the electric push rod drives the plunger to be inserted into one end of the sample tube through the connecting plate, the two convex rings are respectively clamped into the two grooves to seal one end of the sample tube, the snap ring is clamped in the clamping groove of the fixed cylinder to seal the other end of the fixed cylinder, leakage of the sample tube in the test process is avoided, the water supply mechanism supplies water into the sample tube, the water pressure borne by the inner wall of the sample tube is gradually increased due to the fact that water flow cannot circulate, the spallation test of the sample tube is completed, the sample tube is clamped and sealed through the electric push rod, and the preparation work of the spallation test is simplified;

2. by arranging the spring and the straight plate, the straight plate is attached to the connecting plate in the pushing-out process of the electric push rod, the spring is stressed and compressed, the pushing-out process of the electric push rod is buffered by the spring, the inner wall of the box body is prevented from being impacted, and the service life of the device is prolonged;

3. through setting up permanent magnet, billet, aluminum plate and resistance heater, can change the experimental ambient temperature of spalling through resistance heater, make the device can simulate more service environment for the sample cell, guarantee test result is more objective, protects resistance heater through aluminum plate, avoids the sputter thing that produces to cause the damage to resistance heater after the sample cell spalling.

Drawings

FIG. 1 is a sectional view showing the structure of a test apparatus for bursting during the processing of a water pipe according to example 1;

FIG. 2 is a front view of a test device for spalling during water pipe processing as set forth in example 1;

fig. 3 is a schematic structural view of a connecting plate of the test device for spalling in the water pipe processing process provided in embodiment 1;

FIG. 4 is a schematic diagram of a sample tube structure of the test device for spalling in the water tube processing process as set forth in example 1;

FIG. 5 is a sectional view of a fixing cylinder of the test device for spalling during the process of machining a water pipe as set forth in example 1;

fig. 6 is a partial sectional view of a test apparatus for bursting during the processing of a water pipe according to example 2.

In the figure: the device comprises a box body 1, a spring 2, a straight plate 3, a plunger 4, a sealing plug 5, a cover plate 6, a handle 7, a sample tube 8, a snap ring 9, a fixing barrel 10, an electric push rod 11, a connecting plate 12, a timer 13, an observation window 14, a groove 15, a convex ring 16, a clamping groove 17, a permanent magnet 18, a steel bar 19, an aluminum plate 20 and a resistance heater 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-5, a testing device for spalling in a water pipe processing process comprises a box body 1, a fixed cylinder 10 is inserted in the middle of one side of the box body 1, a sample tube 8 is inserted in one end of the fixed cylinder 10 positioned in the box body 1, a snap ring 9 is bonded on the outer wall of one end of the sample tube 8, a snap groove 17 is arranged on the inner wall of the fixed cylinder 10 close to one end of the sample tube 8, the snap ring 9 is clamped in the snap groove 17, the bottom of the inner wall of the box body 1 close to one side of the fixed cylinder 10 is connected with an electric push rod 11 through a bolt, one end of the electric push rod 11 is fixedly connected with a connecting plate 12, the top of the connecting plate 12 is bonded with a plunger 4, the outer diameter of the plunger 4 is matched with the inner diameter of the sample tube 8, two grooves 15 are arranged on the circumference of the surface of the plunger 4, two convex rings 16 are arranged, with a fixed section of thick bamboo 10 flange joint in water supply mechanism, electric putter 11 drives plunger 4 through connecting plate 12 and inserts the one end of sample cell 8, and two bulge loops 16 are blocked respectively in two inside of recess 15, seal the one end of sample cell 8, and snap ring 9 card is inside draw-in groove 17 of a fixed section of thick bamboo 10, seals the other end of a fixed section of thick bamboo 10.

Wherein, the inner wall welding of box 1 one side far away from fixed section of thick bamboo 10 has two springs 2, and the welding of the one end of two springs 2 has same straight board 3, and straight board 3 parallel arrangement is in one side of connecting plate 12, and the in-process that electric putter 11 released, straight board 3 and connecting plate 12 laminate mutually, and spring 2 atress compression.

Wherein, the top of box 1 is provided with apron 6, and the top fixedly connected with handle 7 of apron 6, can remove apron 6 through handle 7.

Wherein, the bottom fixedly connected with sealing plug 5 of apron 6, and the external diameter of sealing plug 5 and the internal diameter looks adaptation of box 1, consolidate apron 6 through sealing plug 5.

Wherein, the cross-section of snap ring 9 sets up to isosceles trapezoid, and snap ring 9 adopts the rubber material.

Wherein, one side of box 1 is provided with observation window 14, and observation window 14 adopts the ya keli material, can monitor the experimental process of the inside spalling of box 1 through observation window 14.

Wherein, a timer 13 is arranged at one side of the box body 1 close to the observation window 14, and the time consumed by the water pipe spalling can be calculated through the timer 13.

The working principle is as follows: a fixed cylinder 10 is connected with a flange of a water supply mechanism, an electric push rod 11 drives a plunger 4 to be inserted into one end of a sample tube 8 through a connecting plate 12, two convex rings 16 are respectively clamped into two grooves 15 to seal one end of the sample tube 8, a clamping ring 9 is clamped into a clamping groove 17 of the fixed cylinder 10 to seal the other end of the fixed cylinder 10, leakage of the sample tube 8 in the test process is avoided, two sides of the clamping ring 9 are inclined planes, the clamping ring 9 can be conveniently extruded into the fixed cylinder 10, the process that the sample tube 8 is clamped into the fixed cylinder 10 can be smoother, the water supply mechanism supplies water to the sample tube 8, water pressure borne by the inner wall of the sample tube 8 is gradually increased due to incapability of water flow, so that the spallation test of the sample tube 8 is completed, the sample tube 8 is clamped and sealed through the electric push rod 11, the preparation work of the spallation test is simplified, and in the process that the electric push rod, straight plate 3 laminates mutually with connecting plate 12, the compression of 2 atress of spring, cushion electric putter 11's release process through spring 2, the inner wall of avoiding box 1 receives the striking, increase the life of device, can remove apron 6 through handle 7, and then adjust opening and the closure state of box 1, the staff of being convenient for dismantles or installs sample cell 8, consolidate apron 6 through sealing plug 5, make apron 6 can the stable connection in the top of box 1.

Example 2

Referring to fig. 6, a test device for spalling in water pipe course of working, this embodiment compare in embodiment 1, the intermediate position fixedly connected with resistance heater 21 of sealing plug 5 bottom, and billet 19 has all been welded at the top of 1 both sides inner wall of box, and the top of two billet 19 is provided with same aluminum plate 20, and the both sides at aluminum plate 20 top all are provided with permanent magnet 18.

The working principle is as follows: can change the experimental ambient temperature of spalling through resistance heater 21, make the device can simulate more service environment for sample cell 8, guarantee test result is more objective, protects resistance heater 21 through aluminum plate 20, avoids the sputter thing that produces to cause the damage to resistance heater 21 after the spalling of sample cell 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A test device for spalling in the water pipe machining process comprises a box body (1) and is characterized in that a fixed cylinder (10) is inserted in the middle of one side of the box body (1), a sample tube (8) is inserted in one end, located in the box body (1), of the fixed cylinder (10), a snap ring (9) is bonded on the outer wall of one end of the sample tube (8), a clamping groove (17) is formed in the inner wall, close to one end of the sample tube (8), of the fixed cylinder (10), the snap ring (9) is clamped in the clamping groove (17), an electric push rod (11) is connected to the bottom of the inner wall, close to one side of the fixed cylinder (10), of the box body (1) through bolts, a connecting plate (12) is fixedly connected to one end of the electric push rod (11), a plunger (4) is bonded on the top of the connecting plate (12), the outer diameter of the plunger (4) is, and two grooves (15) are formed in the circumference of the surface of the plunger (4), two convex rings (16) are arranged on the inner wall of one end, close to the plunger (4), of the sample tube (8), and the two convex rings (16) are respectively matched with the two grooves (15).

2. The testing device for the spalling in the water pipe machining process according to claim 1, wherein two springs (2) are welded on the inner wall of one side, away from the fixed cylinder (10), of the box body (1), one end of each of the two springs (2) is welded with the same straight plate (3), and the straight plates (3) are arranged on one side of the connecting plate (12) in parallel.

3. The device for testing the bursting during the water pipe processing according to any one of claims 1 to 2, wherein a cover plate (6) is arranged on the top of the box body (1), and a handle (7) is fixedly connected to the top of the cover plate (6).

4. The device for testing the bursting during the water pipe processing according to claim 3, wherein a sealing plug (5) is fixedly connected to the bottom of the cover plate (6), and the outer diameter of the sealing plug (5) is matched with the inner diameter of the box body (1).

5. The device for testing the spalling in the water pipe machining process according to claim 1, wherein the cross section of the clamping ring (9) is isosceles trapezoid, and the clamping ring (9) is made of rubber.

6. The testing device for the spalling in the water pipe machining process as recited in claim 1, wherein an observation window (14) is arranged on one side of the box body (1), and the observation window (14) is made of acrylic material.

7. The device for testing the bursting during the water pipe processing according to claim 6, wherein a timer (13) is arranged on one side of the box body (1) close to the observation window (14).

8. The device for testing the bursting during the water pipe processing according to claim 4, wherein the resistance heater (21) is fixedly connected to the middle position of the bottom of the sealing plug (5).

9. The testing device for the spalling in the water pipe machining process according to claim 8, wherein steel bars (19) are welded on the top of the inner walls of the two sides of the box body (1), the top of the two steel bars (19) is provided with the same aluminum plate (20), and the two sides of the top of the aluminum plate (20) are provided with permanent magnets (18).