CN109238864B

CN109238864B - Testing mechanism for quickly replacing pressure rod in pipeline compression and recovery test

Info

Publication number: CN109238864B
Application number: CN201811168840.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Special Pressure Equipment Inspection and Research Institute
Current assignee: Guangzhou Special Pressure Equipment Inspection and Research Institute
Priority date: 2018-10-08
Filing date: 2018-10-08
Publication date: 2021-06-29
Anticipated expiration: 2038-10-08
Also published as: CN109238864A

Abstract

The invention discloses a testing mechanism for quickly replacing a pressure rod in a pipeline compression recovery test, which comprises an installation base, a rotating rod, a sliding block and an installation platform, wherein a groove is fixedly formed in the inner wall of the installation base, the rotating rod is fixedly and movably installed on one side of the groove through a rotating shaft, a welding sleeve is fixedly welded in the middle of the rotating rod, a mechanical arm is fixedly welded in the welding sleeve, an inflator pump is fixedly installed at the top of one side of the installation base through a screw, a clamp is fixedly installed at the output end of the inflator pump, and a first hydraulic rod is fixedly installed at one end, far away from the inflator pump, of the installation base through a screw, the testing speed is slow, and the testing efficiency is seriously influenced.

Description

Testing mechanism for quickly replacing pressure rod in pipeline compression and recovery test

Technical Field

The invention relates to a pipeline testing mechanism, in particular to a testing mechanism for quickly replacing a pressure rod in a pipeline compression and recovery test.

Background

In the present life, a large and small pipeline stands in our living environment, which means a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, usually, the fluid flows from a high pressure position to a low pressure position of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by using the pressure or gravity of the fluid, the pipeline has wide application range, and is mainly used in water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, the pipelines provide channels for various necessities of life, so that our life is easier, however, if the pipelines are improperly used, serious potential safety hazards are generated, the water resource is wasted due to the leakage of the pipeline for conveying water, the explosion risk due to the leakage of the pipeline for conveying gas and the like, the pipeline may bear various external forces, including its own weight (weight of pipe, valve, pipe connector, heat-insulating layer and fluid in the pipe), thrust force of fluid pressure acting on pipe end, wind and snow load, soil pressure, thermal stress caused by thermal expansion and cold contraction, vibration load and earthquake disaster, etc. in order to ensure the strength and rigidity of the pipeline, it must be provided with various supports (hanging) such as movable support, fixed support, guide support and spring support, etc. the support is set up according to the conditions of pipeline diameter, material quality, pipe wall thickness and load, etc., the fixed support is used for controlling the thermal elongation of the pipeline in sections to make the expansion joint work uniformly, the guide support makes the pipe only move axially, in order to ensure the safe operation of the pipeline and prevent the accident from expanding in time, besides installing detection control instrument and safety valve on the pipeline, special safety measures are also taken for some important pipelines, for example, accident relief valves or emergency shut-off valves are arranged on gas pipelines and pipelines for long-distance petroleum and natural gas transmission, and can automatically and timely stop transmission when a disaster accident occurs so as to reduce disaster loss, the pressure bearing capacity of the pipelines is an important consideration index for the quality of the pipelines, the pipelines with different purposes need to meet the pressure bearing capacity of different standards, and the pressure applying mechanism is a testing mechanism for the pressure bearing capacity of the pipelines.

However, the conventional pressure applying mechanism for pipeline pressure testing has some disadvantages in the use process, such as:

traditional pressure applying mechanism for pipeline pressure test can not be quick in the use carry out pressure test to a plurality of pipelines, need manually fix the pipeline when the test and install, just can test, under the more condition of test sample, testing speed is comparatively slow, has seriously influenced efficiency of software testing.

Traditional pressure applying mechanism that pipeline pressure test was used can not test the compressive capacity of pipeline inside and the outside compressive capacity of pipeline simultaneously in the use, and present pipeline often can receive the condition such as extrusion in operational environment, if outside compressive capacity is not enough, can not adapt to present operational environment equally.

Disclosure of Invention

The invention aims to provide a testing mechanism for quickly replacing a pressure rod in a pipeline compression recovery test, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pipeline compression recovers test quick replacement pressure bar's accredited testing organization, includes installation base, dwang, sliding block and mount table, the fixed fluting of having seted up of installation base inner wall, fluting one side is fixed there is the dwang through pivot movable mounting, dwang middle part fixed welding has the welding cover, the fixed welding of welding cover has the arm, there is the pump at installation base one side top through screw fixed mounting, pump output end fixed mounting has the clamp, the one end that the pump was kept away from to the installation base has first hydraulic stem through screw fixed mounting, the fixed welding of first hydraulic stem output has the slurcam, the fixed welding of slurcam one side has the clamp, installation base top is located the fixed spout of having seted up between pump and the first hydraulic stem, sliding block bottom fixed welding has the fixture block.

Furthermore, the top all has welded the bracing piece around the installation base, bracing piece top fixed welding has the mount table, there is the second hydraulic stem mount table bottom through screw fixed mounting, second hydraulic stem bottom fixed mounting has pressure sensor.

Furthermore, the top ends of the mechanical arms are all bonded with magnets.

Furthermore, a movable groove matched with the pipeline is formed in the slotted position inside the mounting base.

Furthermore, the sliding block passes through fixture block and spout and installation base sliding connection.

Further, the sliding block top has been seted up with pipeline matched with standing groove.

Further, the pressure sensor is installed on the top of the sliding block.

Further, the pressure sensor adopts a PT124G-210 standard industrial control pressure sensor.

Further, the inflator pump adopts a Markov 600-9L inflator pump.

Further, arm, clamp and sliding block cooperate each other in the coplanar.

Compared with the prior art, the invention has the beneficial effects that:

the pipeline to be tested is clamped by the magnet attached to the top of the mechanical arm, the pipeline is convenient to move by the movable groove arranged on the inner wall of the mounting base, the mechanical arm rotates the pipeline to the top of the sliding block by rotating the rotating rod arranged on the inner wall of the mounting base, the pipeline is supported by the sliding block, the first hydraulic rod is started, the pushing plate at one end of the first hydraulic rod pushes the clamp to be matched with the pipeline, the clamp and the pipeline are fixed with each other, the other end of the pipeline is pushed into the clamp at one side of the inflator pump by the first hydraulic rod, both ends of the pipeline are fixed by the clamp, the inflator pump is started to inflate the pipeline, the internal pressure resistance of the pipeline is measured, the clamp is unfastened to enable the pipeline to move continuously, the sliding block is slid open by the sliding groove arranged on the top of the mounting base, so that, simultaneously the arm removes next test sample to the sliding block top, and operation more than repeated can test the inside compressive capacity of pipeline once more, and is simple quick to the fixed mounting of pipeline, facilitates the use.

In the pipeline testing process, the pipeline which needs to be laid outside in an exposed mode is often encountered, the pipeline is easily influenced by external conditions and is often subjected to colliding extrusion in the actual use process, the pipeline is easily damaged due to the external factors, the second hydraulic rod is installed on the installation table welded to the top of the supporting rod, in the testing process of the pipeline completing embodiment, the pipeline placed at the top of the sliding block can be externally pressed by downwards pushing the second hydraulic rod, the applied pressure is measured through the pressure sensor, when the pipeline is damaged, the air pressure change inside the pipeline can be measured through the air pump, and therefore the external pressure resistance of the pipeline is obtained

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2B according to the present invention.

In the figure: 100-mounting a base; 101-slotting; 102-an active slot; 103-rotating rod; 104-a welding sleeve; 105-a robotic arm; 106-an inflator; 107-a clamp; 108-a first hydraulic lever; 109-a push plate; 110-a slider; 111-a cartridge; 112-a chute; 113-a magnet; 200-a support bar; 201-mounting table; 202-a second hydraulic rod; 203-pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a pipeline compression restores test quick replacement pressure bar's accredited testing organization, includes installation base 100, dwang 103, sliding block 110 and mount table 201, installation base 100 inner wall is fixed and has been seted up fluting 101, fluting 101 one side is fixed there is dwang 103 through pivot movable mounting, the fixed welding in the middle part of dwang 103 has welding cover 104, welding cover 104 fixed welding has arm 105, can centre gripping pipeline through arm 105, and arm 105 makes the pipeline can rotate through dwang 103 in the fluting 101 in the use, accomplishes the change of pipeline, there is pump 106 at installation base 100 one side top through screw fixed mounting, pump 106 output fixed mounting has clamp 107, the one end that pump 106 was kept away from to installation base 100 has first hydraulic stem 108 through screw fixed mounting, the fixed welding of first hydraulic stem 108 output has slurcam 109, the fixed welding of catch plate 109 one side has clamp 107, the fixed spout 112 of having seted up is located between pump 106 and the first hydraulic stem 108 at installation base 100 top, the fixed welding of sliding block 110 bottom has fixture block 111, when the pipeline is held to sliding block 110 top at arm 105 centre gripping through sliding block 110, supports the pipeline, promotes catch plate 109 through first hydraulic stem 108, makes pipeline one end pass through clamp 107 and catch plate 109 fixed connection, and the pipeline is kept away from catch plate 109 one end and is passed through clamp 107 and pump 106 fixed connection, makes things convenient for pump 106 to ram, tests the anti pressure ability of pipeline inside, bracing piece 200 has all been welded at installation base 100 top all around, bracing piece 200 top fixed welding has mount table 201, mount table 201 bottom has second depression bar hydraulic 202 through screw fixed mounting, second depression bar 202 bottom fixed mounting has pressure sensor 203, the outer wall of the pipeline can be pressed by pushing the second hydraulic rod 202 downwards to apply force to the outer wall of the pipeline, the force of the second hydraulic rod is monitored and measured by the pressure sensor 203, the strength of the external force applied to the pipeline can be conveniently determined, the top ends of the mechanical arms 105 are bonded with the magnets 113, the top ends of the mechanical arms 105 can be clamped mutually by the magnets 113 to clamp the pipeline, the pipeline is conveniently placed and rapidly placed and taken, the speed of pressure test of the pipeline is accelerated, the movable groove 102 matched with the pipeline is formed in the groove 101 in the installation base 100, the pipeline can conveniently rotate on the inner wall of the installation base 100 through the movable groove 102, the sliding block 110 is connected with the installation base 100 through the clamping block 111 and the sliding groove 112 in a sliding manner, so that the sliding block 110 can slide on the top of the installation base 100 through the sliding groove 112, and after the, the sliding block 110 can be dispersed through the sliding groove 112, so that the pipeline can conveniently enter the movable groove 102 again, the sliding block 110 is prevented from blocking the top of the movable groove 102 and affecting the movement of the pipeline in the movable groove 102, the top of the sliding block 110 is provided with a placing groove matched with the pipeline, the placing groove on the top of the sliding block 110 can fix the pipeline and prevent the pipeline from deviating and prevent the pipeline from displacing during external force testing, the pressure sensor 203 is arranged on the top of the sliding block 110, so that the second hydraulic rod 202 and the pressure sensor 203 can accurately contact the pipeline arranged on the top of the sliding block 110, the pressure measurement of the pressure sensor 203 is more accurate, the pressure sensor 203 adopts a PT124G-210 standard type industrial control pressure sensor, the pressure sensor 203 meets the use requirement and can quickly measure the pressure of the pipeline, the inflator pump 106 adopts a Markov 600-9L inflator pump, can measure the pressure in the pipeline simultaneously when pressurizing the pipeline through this pump 106, conveniently obtain the clear and definite numerical value of pipeline pressure bearing capacity, satisfy the user demand, arm 105, clamp 107 and sliding block 110 are mutually supported in the coplanar, and arm 105's length can just in time place the pipeline on sliding block 110 for the pipeline height just in time is the same with clamp 107 height, makes things convenient for clamp 107 to the fixed of pipeline.

Example 1:

when the device is used, a pipeline to be tested is clamped by the magnet 113 attached to the top of the mechanical arm 105, the pipeline can be moved conveniently by the movable groove 102 formed in the inner wall of the mounting base 100, the pipeline is rotated to the top of the sliding block 110 by the mechanical arm 105 by rotating the rotating rod 103 mounted on the inner wall of the mounting base 100, the pipeline is supported by the sliding block 110, the first hydraulic rod 108 is opened, the pushing plate 109 at one end of the first hydraulic rod 108 pushes the clamp 107 to be matched with the pipeline, the clamp 107 and the pipeline are fixed with each other, the other end of the pipeline is pushed into the clamp 107 at one side of the inflator pump 106 by the first hydraulic rod 108, two ends of the pipeline are fixed by the clamp 107, the inflator pump 106 is started to inflate the pipeline, the determination of the internal pressure resistance of the pipeline is completed, the clamp 107 is unfastened to enable the pipeline to move continuously, the sliding block 110 is, the pipeline can enter the movable groove 102 again through the mechanical arm 105, meanwhile, the mechanical arm 105 moves the next test sample to the top of the sliding block 110, the operation is repeated, the internal pressure resistance of the pipeline can be tested again, and the pipeline fixing device is simple, quick and convenient to use.

Example 2:

in the pipeline test process, often meet and need expose the pipeline of laying outside, this type of pipeline receives external condition influence easily, often can receive the extrusion of colliding with in the in-service use in-process, these external factors lead to the damage of pipeline equally easily, install second hydraulic stem 202 through bracing piece 200 top welded mount table 201, in the test process of embodiment 1 is accomplished to the pipeline, it can carry out outside pressure to place the pipeline at sliding block 110 top to promote downwards through second hydraulic stem 202, survey the pressure of will applying through pressure sensor 203, when the pipeline is damaged, pump 106 can survey out the inside atmospheric pressure change of pipeline, thereby obtain the outside compressive capacity of pipeline.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline compression restores test quick replacement pressure bar's accredited testing organization, includes installation base (100), dwang (103), sliding block (110) and mount table (201), its characterized in that: the mounting base (100) is fixed on the inner wall and provided with a groove (101), the groove (101) is fixed on one side through a rotating shaft and is provided with a rotating rod (103), the rotating rod (103) is fixedly welded with a welding sleeve (104) in the middle, the welding sleeve (104) is fixedly welded with a mechanical arm (105), an inflator pump (106) is arranged on the top of one side of the mounting base (100) through a screw fixed joint, a clamp (107) is fixedly arranged at the output end of the inflator pump (106), a first hydraulic rod (108) is fixedly arranged at one end, far away from the inflator pump (106), of the mounting base (100) through a screw fixed joint, a push plate (109) is fixedly welded at the output end of the first hydraulic rod (108), the clamp (107) is fixedly welded on one side of the push plate (109), a sliding groove (112) is fixedly arranged between the inflator pump (106, a clamping block (111) is fixedly welded at the bottom of the sliding block (110);

the mounting base (100) all have welded bracing piece (200) at top all around, bracing piece (200) top fixed welding has mount table (201), there is second hydraulic stem (202) mount table (201) bottom through screw fixed mounting, second hydraulic stem (202) bottom fixed mounting has pressure sensor (203).

2. The mechanism of claim 1, wherein the pressure rod is adapted to be quickly replaced during a compression recovery test of a pipeline, the mechanism comprising: and magnets (113) are bonded to the top ends of the mechanical arms (105).

3. The mechanism of claim 1, wherein the pressure rod is adapted to be quickly replaced during a compression recovery test of a pipeline, the mechanism comprising: a movable groove (102) matched with the pipeline is formed in the position, located in the open groove (101), of the mounting base (100).

4. The mechanism of claim 1, wherein the pressure rod is adapted to be quickly replaced during a compression recovery test of a pipeline, the mechanism comprising: the sliding block (110) is connected with the mounting base (100) in a sliding mode through a clamping block (111) and a sliding groove (112).

5. The mechanism of claim 1, wherein the pressure rod is adapted to be quickly replaced during a compression recovery test of a pipeline, the mechanism comprising: the top of the sliding block (110) is provided with a placing groove matched with the pipeline.

6. The mechanism of claim 1, wherein the pressure rod is adapted to be quickly replaced during a compression recovery test of a pipeline, the mechanism comprising: the pressure sensor (203) is mounted on top of the slider (110).

7. The mechanism of claim 6, wherein the pressure rod is arranged to be rapidly replaced during compression recovery testing of a pipeline, and the mechanism comprises: the pressure sensor (203) adopts a PT124G-210 standard industrial control pressure sensor.

8. The mechanism of claim 7, wherein the pressure rod is adapted to be replaced by a quick-change pressure rod for compressive rehabilitation testing of pipes, the mechanism comprising: the inflator pump (106) adopts a Markov 600-9L inflator pump.

9. The mechanism of claim 8, wherein the pressure rod is adapted to be replaced by a quick-change pressure rod for compressive rehabilitation testing of pipes, the mechanism comprising: the mechanical arm (105), the clamp (107) and the sliding block (110) are matched with each other in the same plane.