CN202305187U - Anti-torque experiment machine for ball valve - Google Patents
Anti-torque experiment machine for ball valve Download PDFInfo
- Publication number
- CN202305187U CN202305187U CN2011203714683U CN201120371468U CN202305187U CN 202305187 U CN202305187 U CN 202305187U CN 2011203714683 U CN2011203714683 U CN 2011203714683U CN 201120371468 U CN201120371468 U CN 201120371468U CN 202305187 U CN202305187 U CN 202305187U
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- pipeline
- ball valve
- torque
- experimental machine
- torque sensor
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Abstract
The utility model relates to an anti-torque experiment machine for a ball valve. The anti-torque experiment machine comprises a torque sensor, a pipeline tightening device, a first pipeline and a second pipeline, wherein the torque sensor and the pipeline tightening device are fixedly arranged on an experiment table; a distance is reserved between the torque sensor and the pipeline tightening device; the axis line of a connecting shaft of the torque sensor is positioned on the same straight line as the axis line of the pipeline which can be tightened by the pipeline tightening device; the external end of the first pipeline serves as a connecting end which is coaxially connected with the connecting shaft on the inner side of the torque sensor, and the inner end of the first pipeline serves as a connecting end which is connected with a tested valve; the external end of the second pipeline serves as a connecting end which is connected with an external pipeline, and the internal end of the second pipeline serves as a connecting end which is connected with the tested valve; and the second pipeline is fixed by the pipeline tightening device. The anti-torque experiment machine for the ball valve has a simple structure, is low in cost, is high in reliability, reproducibility, electric controllability, control precision and reliability on test results, and can perform a semiautomatic anti-torque test on various ball valves.
Description
Technical field
The utility model relates to a kind of experimental machine that is used for the experiment of valve torque resistant, particularly a kind of torque resistant experimental machine to ball valve.
Background technology
The moment of torsion that receives when valve will cause the leakage of valve during greatly to certain value; Therefore especially bear the situation that often will bear moment of torsion when normally using in use for valve than high pulling torque or valve;, preferably tests on valve before coming into operation preceding or dispatch from the factory through certain torque resistant; Still be not suitable at present carrying out the torque resistant experimental machine of the special use of batch testing, although assembling and testing device is tested separately to indivedual valves one to one temporarily, common labour intensity is bigger; Be difficult for guaranteeing measuring accuracy, and repdocutbility is bad.
The utility model content
In order to overcome the above-mentioned defective of prior art, the purpose of the utility model is to provide a kind of ball valve torque resistant experimental machine of special use, belongs to semiautomatic equipment, and labour intensity is little during test, can guarantee good measuring accuracy, and the test repdocutbility is good.
The technical scheme that the utility model mainly adopts:
A kind of ball valve torque resistant experimental machine; Comprise torque sensor, pipeline fastener, first pipeline and second pipeline; Said torque sensor and pipeline fastener are fixedly mounted on the experiment table; Leave distance each other, the axis of the coupling shaft of said torque sensor and said pipeline fastener can be fastening the axis of pipeline be located along the same line, the outer end of said first pipeline is and the coaxial link that is connected of the inboard coupling shaft of said torque sensor; The inner is the link that is connected with tested valve; The outer end of said second pipeline is the link that is connected with outer pipeline, and the inner is the link that is connected with tested valve, and said second pipeline is fixed by said pipeline fastener.
Said pipeline fastener is preferably the scroll chuck of hollow, and said second pipeline runs through the central through hole of said scroll chuck.
Also should be provided with first support that is used to support said first pipeline on the said experiment table.
Be respectively equipped with the joint flange that complements one another on the axle head of the outer end of said first pipeline and the inboard coupling shaft of said torque sensor; The outer end of said second pipeline and the inner of said outer pipeline are respectively equipped with the joint flange that complements one another, and the inner of said first pipeline and second pipeline is for can be screwed in the threaded mouth of pipe on the said tested valve.
The outer end of said outer pipeline is connected with flexible pipe, and said flexible pipe connects water tank or tank through water pump.
Said water pump and water tank (or tank) can be installed in the said base, also can be installed on the said base.
The table top of said experiment table preferably covers with the wire drawing stainless steel, and the organic glass tank is housed.
Preferably, the outside coupling shaft of the torque sensor of above-mentioned any said ball valve torque resistant experimental machine is connected with drive motor as the moment of torsion bringing device, and said drive motor is fixedly mounted on the said experiment table through the motor supporting seat.
The beneficial effect of the utility model: the utility model is simple in structure, and cost is low, can carry out automanual torque resistant test to various ball valves, and reliability is high, repdocutbility is good; Owing to adopt PLC to carry out electrical control and adopt servomotor as the device that applies moment of torsion, controllability is good, and control accuracy is high, test result with a high credibility.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of ball valve torque resistant experimental machine, is used to test ball valve and is guaranteeing can to bear great moment of torsion under the prerequisite of not leaking, be i.e. the size of torque resistant ability.Its mechanical part comprises torque sensor 1, pipeline fastener, first pipeline 3 and second pipeline 5, and main the completion applies moment of torsion to tested valve.Said torque sensor and pipeline fastener are fixedly mounted on the experiment table; Leave distance each other; The axis of the coupling shaft of said torque sensor and said pipeline fastener can be fastening the axis of pipeline be located along the same line; The outer end of said first pipeline is and the coaxial link that is connected of the inboard coupling shaft of said torque sensor, and the inner is the link that is connected with tested valve 4, and the outer end of said second pipeline is the link that is connected with outer pipeline 7; The inner is the link that is connected with tested valve, and said second pipeline is fixed by said pipeline fastener.
Said pipeline fastener is preferably the scroll chuck 6 of hollow, and said second pipeline runs through the central through hole of said scroll chuck.When connecting tested valve and said second pipeline; This scroll chuck can play certain supporting role to said second pipeline; When testing, utilize this scroll chuck to firmly grasp said second pipeline, the end that tested valve is connected with second pipeline is fixed.
The length of said first pipeline and second pipeline can be provided with according to the test needs; In order to improve the rigidity of said first pipeline and second pipeline, can on experiment table, be provided for supporting first support 2 of said first pipeline and/or be used to support second of said second pipeline and support.
Can be respectively equipped with the joint flange that complements one another on the axle head of the outer end of said first pipeline and the inboard coupling shaft of said torque sensor; The outer end of said second pipeline and the inner of said outer pipeline can be respectively equipped with the joint flange that complements one another; The inner of said first pipeline and second pipeline is for can be screwed in the threaded mouth of pipe on the said tested valve, and the two rotation direction is identical.Said flange is preferably taked the octal ring flange, adopts screw fastening, installs, easy to use and can bear bigger moment of torsion, is suitable for torsion-testing.
The outer end of said outer pipeline is connected with flexible pipe, so that being connected and installation of the tested valve and second pipeline, said flexible pipe connects water tank or tank through water pump, the outer end sealing of said first pipeline.During test, start said water pump, in said first pipeline and second pipeline, fill with test with medium (like water), this test is not flowed with medium, only is the pressure medium in the simulation pipeline.Said flexible pipe preferably adopts stainless steel flexible hose, has good flexibility, corrosion stability, high temperature resistant, wear-resistant, also can be provided with throttling valve on it, after test is accomplished, can test be drawn with medium and get back in water tank or the tank.
Can be provided with base under the said experiment table, base is positioned at the bottom of entire equipment, as the stable basis of this experimental machine.Said base can be built by aluminium section bar, can make experimental machine have enough intensity, makes experimental machine have profile attractive in appearance again.The bottom of said base is equipped with universal caster wheel, conveniently puts in order moving of billiard ball valve torque resistant experimental machine.
Consider that from saving the space said water pump and water tank (or tank) can be installed in the said base, also can be installed on the said base.
Because in test process, might there be test from pipeline, to ooze out with medium, so the table top of said experiment table preferably covers with the wire drawing stainless steel, and the organic glass tank is housed, medium is used in convenient test of reclaiming tested valve possibility seepage in the test process.
During test; Can adopt the various suitable mode (like hand crank) under the prior art on the coupling shaft of the outside of said torque sensor, to apply moment of torsion; Should be taken into account the thread rotary orientation problem of tested valve and first, second pipeline junction when noting applying moment of torsion; Avoid applying moment of torsion tested valve and first, second pipeline are got loose, observe tested valve and whether leak, change the size of the moment of torsion that is applied; When finding that seepage has appearred in tested valve, prove that promptly this moment of torsion is the peak torque that tested valve can bear.
Preferably, the outside coupling shaft of the said torque sensor of above-mentioned any said ball valve torque resistant experimental machine can be connected with drive motor as the moment of torsion bringing device, and said drive motor is fixedly mounted on the said experiment table through a motor supporting seat.Said drive motor preferably adopts servomotor, is convenient to the moment of torsion that is applied is accurately controlled.
Aforesaid various coupling shaft all can be shaft coupling.
This ball valve torque resistant experimental machine also comprises electric control system, preferably adopts detection control apparatus, accomplishes detecting the robotization control of CONTROL PROCESS flow process.Said detection control apparatus is provided with central processing host, manual input device and display device, and said central processing host is provided with the drive motor operation circuit that is used to control said drive motor work, is used to control the water pump operation circuit of said pump working and is used for the transducing signal receiving lines that torque signal is gathered.Said detection control apparatus can receive the actual measurement torque information that torque sensor is passed back; Directly be used as test result or feed back to servomotor to form the closed loop of control; Thereby realize the accurate control to moment of torsion that servomotor applies, said detection control apparatus also can accurately be controlled the output quantity of water pump and servomotor.Operating personnel can be through said manual input device input control order (like the opening and closing of water pump instruction), to the selection instruction of PORT COM and/or setup parameter (like the size and Orientation of the moment of torsion that applied, the top hole pressure of water pump etc.), test result data (like the value of moment of torsion) or show that the information (fault etc. is carried out, whether taken place to, test whether ready like experimental machine whether) of experimental machine running status can show through said display device intuitively.Control information through the input of said manual input device, the selection of PORT COM and/or the value of setup parameter also may be displayed on the said display device.
Said detection control apparatus can also be connected with host computer, and software kit is installed in the host computer, and operating personnel can pass through the direct issuing command of host computer, and every information that may be displayed on the said display device can be presented on the display of said host computer.
PLC can be adopted in the core of said detection control apparatus, for example adopts the PLC of Siemens S7-200 series to be used for the action control of servomotor and the coordination control of process of the test.
Accurate as far as possible for test findings, simultaneously also for the purpose of safety, should note following item in test:
A. to clean up before the tested valve gate test, guarantee not influence test result;
B. want frequent wiping servomotor, keep the dry and cleaning on servomotor surface;
C. have water in the test process and ooze out, the table top of frequent wiping experiment table, keep dry, notice that the water in the organic glass tank does not overflow;
D. will often change the water in the water tank, equipment for a long time need not be the water emptying in the water tank.
Be that the DN25 ball valve is the complete testing process of example explanation with tested ball valve below:
One, installation process:
Second pipeline (short testing tube) can't be passed scroll chuck by a blue end that coils, be screwed in the DN25 ball valve, guarantee the good seal of pipeline and ball valve;
Hold stainless steel flexible hose, move earlier and rotates second pipeline again, make the ring flange of fixture splice and second pipeline of outer pipeline approaching, and eight unthreaded holes on two ring flanges that align, bolt on, notice that the switch of tested valve makes progress;
End that can't blue dish with first pipeline (about 1m long test pipeline) screws in the DN25 ball valve, when screwing in, observes the first pipeline flange dish and torque sensor joint, and the very little and unthreaded hole in both gaps is aligned.
Tighten the ring flange of first pipeline and eight attachment bolts of torque sensor joint;
Spanner on the rotation scroll chuck clips second pipeline, begins to carry out the ball valve test.
Two, test process:
Start software to the PLC issuing command through host computer, the switch of said PLC control water pump and the rotating speed of flow and servomotor, and receive test data from torque sensor, show intuitively through information display area.
Three, unloading process:
After test finishes, open the throttling valve on the stainless steel flexible hose, make the current recovery tank in DN25 ball valve and the testing conduit.
Spanner on the rotation scroll chuck unclamps second pipeline;
The coupling bolt of the fixture splice of dismounting stainless steel flexible hose and the ring flange of second pipeline;
Hold stainless steel flexible hose, stagger the ring flange of its fixture splice and second pipeline;
In the DN25 ball valve, screw out second pipeline, and second pipeline is extracted out in scroll chuck;
Remove the attachment screw of the first pipeline flange dish and torque sensor joint, in the DN25 ball valve, screw out first pipeline.
The utility model is a semiautomatic equipment, installs and removes tested valve and is manually accomplished by operating personnel, and the detection of tested valve is accomplished by equipment automatically, and it is simple in structure, and reliability and stability are high, can be applicable to the torque resistant test of various ball valves.
Claims (10)
1. ball valve torque resistant experimental machine; It is characterized in that comprising torque sensor, pipeline fastener, first pipeline and second pipeline; Said torque sensor and pipeline fastener are fixedly mounted on the experiment table; Leave distance each other, the axis of the coupling shaft of said torque sensor and said pipeline fastener can be fastening the axis of pipeline be located along the same line, the outer end of said first pipeline is and the coaxial link that is connected of the inboard coupling shaft of said torque sensor; The inner is the link that is connected with tested valve; The outer end of said second pipeline is the link that is connected with outer pipeline, and the inner is the link that is connected with tested valve, and said second pipeline is fixed by said pipeline fastener.
2. ball valve torque resistant experimental machine as claimed in claim 1 is characterized in that said pipeline fastener is the scroll chuck of hollow, and said second pipeline runs through the central through hole of said scroll chuck.
3. ball valve torque resistant experimental machine as claimed in claim 2 is characterized in that also being provided with on the said experiment table first support that is used to support said first pipeline.
4. ball valve torque resistant experimental machine as claimed in claim 3; It is characterized in that being respectively equipped with the joint flange that complements one another on the axle head of inboard coupling shaft of outer end and said torque sensor of said first pipeline; The outer end of said second pipeline and the inner of said outer pipeline are respectively equipped with the joint flange that complements one another, and the inner of said first pipeline and second pipeline is for can be screwed in the threaded mouth of pipe on the said tested valve.
5. ball valve torque resistant experimental machine as claimed in claim 4 is characterized in that the outer end of said outer pipeline is connected with flexible pipe, and said flexible pipe connects water tank or tank through water pump.
6. ball valve torque resistant experimental machine as claimed in claim 5 is characterized in that said experiment table has base, and the bottom of said base is equipped with universal caster wheel.
7. ball valve torque resistant experimental machine as claimed in claim 6, it is characterized in that said water pump and water tank or tank be installed in the said base or said base on.
8. ball valve torque resistant experimental machine as claimed in claim 7 is characterized in that the table top of said experiment table covers with the wire drawing stainless steel, and the organic glass tank is housed.
9. like claim 1,2,3,4,5,6,7 or 8 described ball valve torque resistant experimental machine, it is characterized in that the outside coupling shaft of said torque sensor is connected with drive motor, said drive motor is fixedly mounted on the said experiment table through the motor supporting seat.
10. ball valve torque resistant experimental machine as claimed in claim 9; It is characterized in that also being provided with detection control apparatus; Said detection control apparatus is provided with central processing host, manual input device and display device, and said central processing host is provided with the drive motor operation circuit that is used to control said drive motor work, is used to control the water pump operation circuit of said pump working and is used for the transducing signal receiving lines that torque signal is gathered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714683U CN202305187U (en) | 2011-09-27 | 2011-09-27 | Anti-torque experiment machine for ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714683U CN202305187U (en) | 2011-09-27 | 2011-09-27 | Anti-torque experiment machine for ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305187U true CN202305187U (en) | 2012-07-04 |
Family
ID=46374059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203714683U Expired - Lifetime CN202305187U (en) | 2011-09-27 | 2011-09-27 | Anti-torque experiment machine for ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937521A (en) * | 2012-11-20 | 2013-02-20 | 浙江省泵阀产品质量检验中心 | Torsion and bending resistance testing method for valves |
| CN104990699A (en) * | 2015-07-03 | 2015-10-21 | 武汉华威专用汽车检测有限责任公司 | Multi-functional test stand and bending and torsion test method of emergency cut-off valve |
-
2011
- 2011-09-27 CN CN2011203714683U patent/CN202305187U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937521A (en) * | 2012-11-20 | 2013-02-20 | 浙江省泵阀产品质量检验中心 | Torsion and bending resistance testing method for valves |
| CN102937521B (en) * | 2012-11-20 | 2014-12-17 | 浙江省泵阀产品质量检验中心 | Torsion and bending resistance testing method for valves |
| CN104990699A (en) * | 2015-07-03 | 2015-10-21 | 武汉华威专用汽车检测有限责任公司 | Multi-functional test stand and bending and torsion test method of emergency cut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU IDC INVESTMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG IDC FLUID CONTROL CO., LTD. Effective date: 20150414 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150414 Address after: 100015 Beijing City, Chaoyang District Jiuxianqiao Road No. 14 jobwell Industrial Park A District No. 2 Building 2 layer 3 Patentee after: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Patentee after: Taizhou aidixi Investment Co. Ltd. Address before: 100015 Beijing City, Chaoyang District Jiuxianqiao Road No. 14 jobwell Industrial Park A District No. 2 Building 2 layer 3 Patentee before: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Patentee before: Zhejiang IDC Fluid Control Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |