CN109000900B - An automatic continuous pressure test device for a water distributor - Google Patents
An automatic continuous pressure test device for a water distributor Download PDFInfo
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- CN109000900B CN109000900B CN201810502629.4A CN201810502629A CN109000900B CN 109000900 B CN109000900 B CN 109000900B CN 201810502629 A CN201810502629 A CN 201810502629A CN 109000900 B CN109000900 B CN 109000900B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
本发明涉及一种配水器自动连续试压装置，包括安装架、控制系统，安装架上设有试压筒、与试压筒同轴线分布且将配水器推入试压筒内的液压缸、定位配水器姿态的电磁铁，电磁铁垂直于试压筒轴线方向的两端均设有斜导轨，安装架的下侧设有将配水器从斜导轨推出的翻板装置，试压筒上远离安装架的筒口处连接有上密封头，试压筒上设有外压测试口，上密封头上设有内压测试口，安装架上设有电动扭矩仪且电动扭矩仪连接有测调驱动杆，液压缸的输出端连接有分瓣式捞爪、下密封座。本发明能够自动拆装试压接头，减少对配水器的损害和质量风险，降低工作人员的安全风险，整个装置的自动化程度高，有利于减少人工劳动量和时间，提高工作效率。
The invention relates to an automatic continuous pressure testing device for a water distributor, comprising an installation frame and a control system. The installation frame is provided with a pressure testing cylinder and a hydraulic cylinder which is distributed coaxially with the pressure testing cylinder and pushes the water distributor into the pressure testing cylinder. . The electromagnet for positioning the posture of the water distributor. The two ends of the electromagnet perpendicular to the axis of the pressure test cylinder are provided with inclined guide rails. The upper sealing head is connected to the cylinder mouth away from the installation frame, the pressure test cylinder is provided with an external pressure test port, the upper sealing head is provided with an internal pressure test port, an electric torque meter is installed on the installation frame, and the electric torque meter is connected with a measuring and adjusting device. The drive rod and the output end of the hydraulic cylinder are connected with a split type fishing claw and a lower sealing seat. The invention can automatically disassemble and assemble the pressure test joint, reduce the damage to the water distributor and the quality risk, and reduce the safety risk of the staff.
Description
Technical Field
The invention relates to the technical field of detection machinery of water distributors, in particular to an automatic continuous pressure testing device of a water distributor.
Background
At present, the pressure test of enterprises to concentric water distributors is carried out according to the current situation: 1. manually mounting and dismounting the upper and lower pressure test connectors to perform an internal pressure static seal test; 2. detecting the torque of the water distributor under the condition of manual pressure (25 MPa); 3. and (4) manually loading the water distributor into a pressure testing cylinder, and carrying out an external pressure static sealing test. The three operations are carried out, and the testers need to repeatedly go in and out of the pressure testing room.
However, when the pressure testing tool is disassembled and assembled, the potential safety and quality risks are as follows:
1. because of the pressure testing joint of needs repeated dismouting, because different assembly personnel or use different erecting tool, the fastening torque that produces when the assembly pressure testing joint is diverse, to the extrusion damage diverse of the tapering screw thread of water injection mandrel upper and lower joint, there is the quality risk.
2. Because of the switching torque that needs detect the injection mandrel under the pressure operating mode of 25MPa, need the tester to use the torquemeter to test the moment of torsion under the pressure operating mode, there is the safety risk.
3. The average time for completing the inspection of a single water distributor is about 50 minutes at present, operators need to enter a pressure test workshop to carry out 4 times of disassembly and assembly test work, and when the water distributors are inspected in batches, the problems of large workload, high man-hour investment and failure in working efficiency exist.
Disclosure of Invention
In order to avoid and solve the technical problems, the invention provides an automatic continuous pressure testing device for a water distributor.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an automatic continuous pressure testing device for a water distributor comprises a mounting frame and a control system.
The hydraulic pressure testing device is characterized in that a pressure testing cylinder, a hydraulic cylinder which is coaxially distributed with the pressure testing cylinder and pushes the water distributor into the pressure testing cylinder and an electromagnet for positioning the posture of the water distributor are arranged on the mounting frame, oblique guide rails are arranged at two ends of the electromagnet, which are perpendicular to the axial direction of the pressure testing cylinder, respectively, and a plate turnover device which pushes the water distributor out of the oblique guide rails is arranged at the lower side of the mounting frame.
The pressure testing device is characterized in that an upper sealing head is connected to a barrel opening portion, away from the mounting frame, of the pressure testing barrel, an outer pressure testing opening is formed in the pressure testing barrel, an inner pressure testing opening is formed in the upper sealing head, an electric torquer is arranged on the mounting frame, and the electric torquer is connected with a testing and adjusting driving rod which penetrates through the upper sealing head and is arranged in the pressure testing barrel.
The external pressure test port and the internal pressure test port are connected with an external hydraulic pump through a guide pipe.
The output end of the hydraulic cylinder is connected with a split type fishing claw and a lower sealing seat which is wrapped outside the split type fishing claw and used for compressing the water distributor.
As a further improvement of the invention, the electromagnet is provided with an arc-shaped groove matched with the outer contour of the water distributor.
As a further improvement of the invention, the plate turnover device comprises a turnover plate and a lifting cylinder of which the output end is connected with the turnover plate.
As a further improvement of the invention, the turning plate is provided with an inclined plane, and a material taking lug for separating the water distributor from the inclined guide rail and a blanking lug pushed out from the electromagnet are fixed on the inclined plane.
As a further improvement of the invention, a stop limit switch for starting the electromagnet to be electrified is arranged on the mounting frame and is close to the hydraulic cylinder.
As a further improvement of the invention, a marking machine for marking test information is arranged on the mounting rack.
As a further improvement of the invention, a limit block which is clamped with an inner groove of the water distributor is arranged on the measuring and adjusting driving rod.
As a further improvement of the invention, a reducer is arranged at the joint of the electric torque meter and the measuring and adjusting driving rod, and the electric torque meter comprises a dynamic torque sensor and a motor.
As a further improvement of the invention, the control system comprises a PLC, an industrial personal computer connected with the PLC, a display screen connected with the industrial personal computer and a switching power supply. When the hydraulic lifting device is used, the industrial personal computer controls the opening and closing of a lifting cylinder in the hydraulic cylinder and the plate turnover device and the working of an externally connected hydraulic pump; the PLC controls the electric torquemeter to drive the measuring and adjusting driving rod to detect torque and controls the marking machine to mark the water distributor.
The invention has the beneficial effects that:
the automatic pressure test device is reasonable in structural design, can realize automatic disassembly and assembly of a pressure test connector, reduces the use of personnel and tools, effectively controls the fastening torque, reduces the damage and quality risk to the upper connector and the lower connector of the water distributor, does not need personnel to work under pressure, greatly reduces the safety risk of the personnel, has high automation degree, is beneficial to reducing the amount and time of manual labor and improves the working efficiency.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of the present invention;
FIG. 2 is a schematic view of the present invention in a front view;
FIG. 3 is a schematic view of the right side view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at I;
FIG. 5 is a schematic view of the internal structure of the water distributor of the present invention;
fig. 6 is a block diagram showing the structure of a control system according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
As shown in fig. 1 to 6, the automatic continuous pressure testing device for the water distributor comprises a mounting frame and a control system.
The hydraulic cylinder 3 and the electromagnet 4 for positioning the posture of the water distributor are arranged on the mounting frame, the pressure testing cylinder 2, the hydraulic cylinder 3 and the electromagnet 4 are distributed coaxially with the pressure testing cylinder 2 and push the water distributor into the pressure testing cylinder 2, the two ends of the electromagnet 4 perpendicular to the axial direction of the pressure testing cylinder are provided with inclined guide rails 5, and the lower side of the mounting frame is provided with a plate turnover device 6 for pushing the water distributor out of the inclined guide rails 5.
The section of thick bamboo department of keeping away from the mounting bracket on the section of thick bamboo 2 of examination pressure is connected with upper seal head 7, be equipped with external pressure test port 8 on the section of thick bamboo 2 of examination pressure, be equipped with interior pressure test port 9 on the upper seal head 7, be equipped with electric torque meter 10 on the mounting bracket just electric torque meter 10 is connected with and passes upper seal head 7 and arranges examination pressure section of thick bamboo 2 in and surveys accent actuating lever 11.
The external pressure test port 8 and the internal pressure test port 9 are connected with an external hydraulic pump through a guide pipe.
The output end of the hydraulic cylinder 3 is connected with a split type fishing claw 12 and a lower sealing seat 13 which is wrapped outside the split type fishing claw 12 and used for pressing the water distributor.
And an arc-shaped groove 4a matched with the outer contour of the water distributor is arranged on the electromagnet 4.
The plate turnover device 6 comprises a turnover plate 61 and a lifting cylinder 62 of which the output end is connected with the turnover plate 61.
The turning plate 61 is provided with an inclined surface 61a, and a material taking lug 61b for separating the water distributor from the inclined guide rail 5 and a blanking lug 61c pushed out from the electromagnet 4 are fixed on the inclined surface 61 a. When the automatic water distributor is used, the material taking lug 61b separates two adjacent water distributors, one water distributor enters the inclined surface 61a and the other water distributor is blocked, the water distributor falls into the arc-shaped groove 4a on the electromagnet 4 after the turning plate 61 moves downwards, when the turning plate 61 rises again, the blanking lug 61c ejects the water distributor out of the arc-shaped groove 4a and enters the inclined guide rail 5 along the inclined surface 61a, the water distributor is sent out after the turning plate 61 descends, and the other water distributor is placed on the electromagnet 4 at the same time.
And a stopping limit switch 14 for starting the electromagnet 4 to be electrified is arranged on the mounting frame and is close to the hydraulic cylinder 3.
And a marking machine 15 for marking test information is arranged on the mounting frame.
And a limiting block 11a clamped with the inner groove of the water distributor is arranged on the measuring and adjusting driving rod 11. During the use, through stopper 11a and the interior block of water injection mandrel for survey and regulate actuating lever 11 can form the moment of torsion on the water injection mandrel, realize measuring.
The joint of the electric torquer 10 and the measuring and adjusting drive rod 11 is provided with a speed reducer 16, and the electric torquer 10 comprises a dynamic torque sensor and a motor.
The control system comprises a PLC, an industrial personal computer connected with the PLC, a display screen connected with the industrial personal computer and a switching power supply. The PLC is a Siemens 200smart PLC, and the industrial personal computer is a Mohua industrial personal computer. When the hydraulic lifting device is used, the industrial personal computer controls the opening and closing of the lifting cylinder 62 in the hydraulic cylinder 3 and the plate turnover device 6 and the working of an external hydraulic pump; the PLC controls the electric torquemeter 10 to drive the measuring and adjusting drive rod 11 to detect torque, and controls the marking machine 15 to mark the water distributor.
And the operation interface of the display screen is provided with a 'hydraulic pump starting' button and a 'hydraulic pump stopping' button for controlling a hydraulic pump for inputting and outputting hydraulic pressure to the hydraulic cylinder 3, and a hydraulic pump motor is 380VAC, 2.2 KW. The hydraulic pump can be provided with a pressure sensor, and after the hydraulic pump is started, if a 'hydraulic pump stop' button is not pressed, the pressure sensor can detect that the system pressure reaches the pressure set by the parameter, and the hydraulic pump is controlled to stop.
The operation interface of the display screen is provided with a 'hydraulic cylinder closing' button and a 'hydraulic cylinder opening' button, in order to control the opening and closing of the hydraulic cylinder 3, the other previous one is pressed to recover, namely the two are in an interlocking function, and the electromagnetic valve on the hydraulic pump can be a five-position three-way electromagnetic valve.
The hydraulic pump can be provided with a pressure sensor with the parameters of 0-50MPa,24VDC and 4-20mA, has a two-wire system, and has the functions of detecting, displaying and storing curve data of the hydrostatic pressure in real time.
And the operation interface of the display screen is provided with buttons for starting internal pressure test and external pressure test, and buttons for clamping the hydraulic cylinder, releasing the hydraulic cylinder, exiting the hydraulic cylinder and resetting the hydraulic cylinder for controlling the hydraulic cylinder 3.
The operation interface of the display screen is provided with a load torque test button and a no-load torque test button, the PLC controls the electric torquemeter 10 to work, the tested torque value is displayed through a curve, and the curve is stored in a picture or report form after the test is finished.
The operation interface of the display screen is also provided with a button for qualified test and a button for unqualified test, a paint spraying head can be arranged above the water distributor on the mounting frame, and when the test is unqualified, the PLC outputs a switching value signal to control the paint spraying head above the water distributor to be electrified to spray paint on the water distributor body so as to discriminate the qualified and unqualified water distributor.
Still be equipped with "change and wait to examine the product", "the cylinder turns over the board and resets" button on the operation interface of display screen.
The method of use of the present invention is further illustrated below:
firstly, a water distributor is placed on a test station where the electromagnet 4 is located in advance, then nine water distributors are sequentially placed upwards on the inclined guide rail 5, and when the water distributors are placed, the two ends of the water distributors are parallel and level.
Clicking a 'hydraulic cylinder clamping' button on an operation interface, pushing a lower connector of the water distributor by a lower sealing seat 13 on the hydraulic cylinder 3, slowly pushing the water distributor into the pressure testing cylinder 2, and keeping the state of clamping the water distributor under the matching of the upper sealing head 7.
And clicking 'start of internal pressure test' to carry out internal pressure static sealing test, introducing water pressure with a set pressure value into the internal pressure test port 9 by an external water pressure pump, and testing pressure in the sealed water distributor. At this time, the number of times of one pressure test is required to be increased, namely, after the required 3 minutes 15MPa and 30 minutes 25MPa are finished, the pressure test process of 1 minute 25MPa is added, so as to be convenient for online torque measurement.
In the newly-added pressure test process of 1 minute and 25MPa, when the pressure maintaining is started, a load torque test button on an operation interface is clicked, the electric torquemeter 10 drives the testing and adjusting driving rod 11 and the water distributor to twist, so that the torque is measured, and the test result is automatically stored and displayed to an operator; if external pressure is required to be measured, clicking 'external pressure test starting' to carry out external pressure static seal test, enabling an external hydraulic pump to introduce the water pressure with a set pressure value into an external pressure test port 8, testing the external pressure of the water distributor in a pressure test cylinder 2, and marking the electromagnetic valve corresponding to the internal pressure and the external pressure in a time division mode by an operator in a water pressure receiving pipeline to prevent misoperation.
After the pressure test is finished, after the water pressure is discharged, a no-load torque test button on an operation interface is clicked, the electric torquemeter 10 drives the testing and adjusting drive rod 11 to twist together with the water distributor, and the test result is automatically stored and displayed to an operator.
Clicking a 'hydraulic cylinder pressure relief' button on an operation interface, then clicking a 'hydraulic cylinder exit' button, clamping the water distributor by the split type fishing claws 12, dragging the pressure testing cylinder 2 out to an initial station, triggering the stop limit switch 14 by the hydraulic cylinder 3 at the moment, and stopping the hydraulic cylinder 3 from exiting; after the stop limit switch 14 is triggered, the electromagnets 4 arranged at the two sides of the supporting station are electrified to firmly suck the water distributor.
And clicking a 'hydraulic cylinder reset' button on the operation interface, continuing to withdraw the hydraulic cylinder 3 until the hydraulic cylinder is completely retracted, and clicking a 'hydraulic cylinder pressure release' button on the operation interface.
If the test results all meet the requirements, clicking a ' test qualified ' button on the operation interface, marking information such as ' qualified ' and ' year, month and day ' on the water distributor by a marking machine 15 above the water distributor, and if the test unqualified ' button on the operation interface is clicked, spraying paint on a paint spraying head which can be arranged above the water distributor so as to conveniently discriminate unqualified products, wherein when any one of the ' test qualified ' and ' test unqualified ' buttons is pressed, the electromagnet 4 can be immediately powered off, and the magnetism disappears.
Clicking a button of 'replacing a product to be detected' on an operation interface, lifting the turning plate 61 by the lifting cylinder 62 below the station to be detected, turning out the tested water distributor, turning the next water distributor on the station to be detected into the station to be detected, and sliding the turned-out water distributor down along the inclined guide rail 5.
Clicking a 'cylinder turning plate resetting' button on the operation interface, descending the turning plate device 6, and repeating the steps to test the next product.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502629.4A CN109000900B (en) | 2018-05-23 | 2018-05-23 | An automatic continuous pressure test device for a water distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502629.4A CN109000900B (en) | 2018-05-23 | 2018-05-23 | An automatic continuous pressure test device for a water distributor |
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| Publication Number | Publication Date |
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| CN109000900A CN109000900A (en) | 2018-12-14 |
| CN109000900B true CN109000900B (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810502629.4A Active CN109000900B (en) | 2018-05-23 | 2018-05-23 | An automatic continuous pressure test device for a water distributor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110328153B (en) * | 2019-04-24 | 2024-01-26 | 沈阳鑫博立恩石油钻探设备制造有限公司 | Multi-station internal blowout prevention tool pressure testing device for petroleum drilling |
| CN110285926B (en) * | 2019-07-04 | 2025-02-25 | 中国石油天然气股份有限公司 | Automatic continuous detection device and method for bridge-type concentric water distributor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011067475A1 (en) * | 2009-12-04 | 2011-06-09 | Fuitexpert | Device for dynamically monitoring leaks for pressurized systems and tanks containing liquids |
| CN104913880B (en) * | 2015-06-02 | 2017-09-01 | 中国石油天然气股份有限公司 | A bridge-type concentric water distributor performance testing device |
| CN205879239U (en) * | 2016-07-07 | 2017-01-11 | 中国石油化工股份有限公司 | Water injection mandrel voltage stabilization type experimental apparatus |
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