CN202631230U - Test device used for water pipe connector - Google Patents
Test device used for water pipe connector Download PDFInfo
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- CN202631230U CN202631230U CN 201220142977 CN201220142977U CN202631230U CN 202631230 U CN202631230 U CN 202631230U CN 201220142977 CN201220142977 CN 201220142977 CN 201220142977 U CN201220142977 U CN 201220142977U CN 202631230 U CN202631230 U CN 202631230U
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- joint
- connector
- water pipe
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Abstract
The utility model provides a test device used for a water pipe connector, which comprises a test connector, a test bed, a tension bar installed on the test bed, a water machine system for providing water pressure for the test connector, and a dynamometer. The water machine system and the test connector form a water circulating system. The tension bar is connected with the test connector through the dynamometer. The test device can be used for testing various performances of the pipe connector, such as pressure endurance, drawing endurance, thermal cycle and the like. The test device can also be used for testing a certain performance of the connector or simultaneously testing several performances of the connector jointly. Meanwhile, the test parameters can be independently controlled by the component parts and can satisfy the test conditions in a short time. The test device is simple and convenient to operate and flexible and reliable to control, which completely satisfies the requirements on various performance tests of the connector and solves the problems of existing test devices. Thus, the test device provides a test means for the wide application of a water pipe connector.
Description
Technical field
The utility model relates to a kind of test unit, is specifically related to a kind of test unit that is used for water pipe head.
Background technology
Water pipe head is widely used in fields of society, and its quality has determined whether a series of problems such as seepage, disengagement can occur with the quality of technology, thereby directly influences the long-time running of equipment.For this reason, water pipe needs carry out a series of type approval tests through test unit to them with after pipe adapter is connected, and whether the performance of the pipe adapter that is designed with assessment satisfies technical requirement.At present, existing test unit can satisfy the test of technical requirements such as the withstand voltage properties, sealing property, thermal circulation performance of pipe adapter, but generally only possesses single test function; After need testing a performance; Be installed in and carry out another performance test on other test unit, performances such as the sealing of testing tube joint simultaneously, withstand voltage, thermal cycle make the test job amount of water pipe head increase; Cost increases, and efficient reduces.
The utility model content
Deficiency to prior art; The utility model provides a kind of test unit that is used for water pipe head; Solved the weak point of single test function device; Have simple in structure, easy to operate, cost is low, can test several performance parameters simultaneously, and test parameters such as can independently control at advantage.
A kind of test unit that is used for water pipe head that the utility model provides, said test unit comprise test joint, testing table, be installed in stayed mast on the said testing table, the water machine system and the draw-bar donamometer of hydraulic pressure are provided for the test joint; Its improvements are that said water machine system and said test joint constitute closed circuit; Said stayed mast is connected with said test joint through said draw-bar donamometer.
Preferably, said test joint comprises test joint I and test joint II;
Said test joint I one end is connected through the water delivering orifice of rising pipe with said water machine system, and the said test joint I other end passes through to manage and is connected with said test joint II one end; The said test joint II other end is connected through the water inlet of water inlet pipe with said water machine system.
Preferably, said test unit comprises tensimeter, and said tensimeter is connected in the said closed circuit.
Preferably, said test joint comprises the water pipe head of external thread termination formula.
Preferably, said test joint comprises the bite type water pipe head.
Preferably, said test joint comprises the self-hard water pipe head.
Preferably, said stayed mast is the screw-type stayed mast; Said stayed mast is fixed on the said testing table and with said test joint II and is connected.
Preferably, said water machine system comprises water circulation system, well heater and nitrogen stabilization pressure system; Said closed circuit is connected with said water circulation system, said well heater and said nitrogen stabilization pressure system respectively.
Preferably, said bite type water pipe head comprises fittings body, preceding cutting ferrule, back cutting ferrule and gland nut; Said fittings body is connected with said back cutting ferrule with said preceding cutting ferrule, fixes through gland nut.
With the prior art ratio, the beneficial effect of the utility model is:
1. the utility model apparatus structure is simple, and is easy to operate, and control flexibly.
2. the utility model cost is low.
5. the utility model can independently be controlled test parameters by component parts according to the test demand and accomplish test.
6. the utility model can also carry out the own combination of pilot project according to the test demand synchronously; The branch of out-of-order during operation; The test joint is being carried out a project and carrying out sundry item simultaneously, harsher than single test condition, can better embody the characteristic of test joint.
7. the utility model can be tested separately, also can test simultaneously.
8. the utility model can reach test condition at short notice.
Description of drawings
The test unit synoptic diagram that Fig. 1 provides for the utility model.
The test joint design synoptic diagram that Fig. 2 provides for the utility model
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further to specify.
A kind of test unit that is used for water pipe head of present embodiment, as shown in Figure 1, comprise test joint 1, testing table 2, be installed in stayed mast 3 on the testing table 2, water machine system 4, draw-bar donamometer 5, tensimeter 6 and the thermometer 7 of hydraulic pressure are provided for the test joint; Water machine system 4 constitutes closed circuit with test joint 1, and shows Monitoring Data through tensimeter 6 and thermometer 7; Stayed mast 3 detects the voltage endurance capability of test joint 1, and shows through draw-bar donamometer 5.
Test joint 1 wherein has two, comprises test joint I and test joint II; Test joint I one end is connected with the water delivering orifice of water machine system 4 through rising pipe, and the test joint I other end is connected with test joint II one end through pipe; The test joint II other end is connected with the water inlet of water machine system 4 through water inlet pipe.Test joint 1 comprises the water pipe head of external thread termination formula, bite type water pipe head or self-hard water pipe head.The water pipe head of external thread termination formula forms plating zinc on surface, frosted or chromium plating with aluminum alloy materials die casting; Structure is tight, pore-free, and intensity is high.The bite type water pipe head can be connected threadless steel pipe with flexible pipe, save the cover wire process, only needs the screw screw-in is got final product.Structure is tight, and intensity is high.The self-hard water pipe head can be connected threadless steel pipe or threadless equipment line outlet with flexible pipe, save the cover wire process; Adopt aluminum alloy materials die casting to form, plating zinc on surface, frosted or chromium plating, structure is tight, and intensity is high.The water pipe head that present embodiment uses is the bite type water pipe head; As shown in Figure 2; Several parts of gland nut by the fittings body of band bellmouth, the back cutting ferrule that plays the stopping effect, the preceding cutting ferrule that seals and a pressuring action are formed; Has excellent sealing performance, stopping effect, bearing capacity and antivibration ability.
Test joint, water inlet pipe or the equal Available Material of rising pipe are Kynoar (PVDF) resin, and form for improving the necessary adjuvant of their processing characteristicies.The outward appearance of the used PVDF material of outward appearance pipe adapter of PVDF material is translucent or white powder or particle, arranges closely between strand, and stronger hydrogen bond is arranged again, contains oxygen index and is 46%, and fire-retardant, crystallinity 65%～78%, density are 1.17～1.79g/cm
3, fusing point is 172 ℃, and heat distortion temperature is 112～145 ℃, and long-term serviceability temperature is-40～150 ℃.PVDF molecular structure regularity is bigger, and fluorine atom is similar with the hydrogen atom size in the molecule, and the arrangement of macromolecular chain is tight, and exists stronger hydrogen bond effect, so the pulling strengrth of polymkeric substance, and compression strenght and impact flexibility etc. are all bigger.The fusing point of PVDF lower (about 170 ℃), so processing characteristics is good, convenient formation, the job operation of available general thermoplast (like injection, mold pressing, extrude, technological forming such as blowing).The chemical stability of PVDF is good, has good chemical resistance and good heat-resistant stability, can in-62 ℃～150 ℃ temperature ranges, use for a long time.PVDF is with its excellent corrosion resistance, and long service life, safety coefficient high, reduce maintenance, become the excellent material of making water pipe head.
The stayed mast 3 of present embodiment is the screw-type stayed mast; Stayed mast 3 is connected with test joint II on testing table 2 and at the trial with millimeter level move left and right.Stayed mast 3 applies pulling force through rotary manipulation to the test joint; Draw-bar donamometer 3 is connected between test joint and the stayed mast, shows the value of thrust that applies in real time, the excessive and destructive test joint of the pulling force of avoiding applying.
Water machine system 4 comprises water circulation system, well heater and nitrogen stabilization pressure system; Wherein water circulation system can be water pump.Closed circuit is connected with said water circulation system, well heater and nitrogen stabilization pressure system respectively.Water circulation system is connected with closed circuit, is used to provide the driving force of water cycle; Well heater is connected with closed circuit, is used for Fast heating water temp; The nitrogen stabilization pressure system connects with closed circuit, is used to keep the constant of pipeline hydraulic pressure.The tensimeter 6 of present embodiment is connected in the closed circuit, the pressure of real-time demonstration water.Present embodiment can also add a thermometer, and thermometer 7 is connected in the closed circuit, shows the temperature of water in real time.
Present embodiment provides a kind of implementation method according to the test unit of above-mentioned water pipe head, is used to detect the performance of water pipe head, comprises the steps:
A. the water route connects;
Shown in accompanying drawing 1, test joint 1 and each parts (comprising tensimeter, thermometer, draw-bar donamometer etc.) that needs are tested are fixed on the testing table, and carry out the closed circuit wiring;
B. start said water machine system, confirm that normal operation back gets into the C step;
C. according to demand said test joint is made an experiment, said content of the test comprises any of withstand voltage test, anti-pull-out test, thermal cycling test or several kinds.
If carry out a certain individual event performance test,, water is heated to the test temperature of regulation through well heater from environment temperature like thermal cycling test; Keep a period of time then; No abnormal in the test, again test temperature is returned to initial value, through repeatedly test; The no abnormal phenomenon of test joint, this performance test finishes;
If carry out the Combined Trials of several performances simultaneously, as withstand voltagely, anti-draw, thermal cycling test, by the water machine chilled water of constant pressure and flow velocity, entering water pipe, joint under the driving of ebullator, formation closed circuit are provided; Then operate the screw-type stayed mast test joint is applied certain pulling force, watch draw-bar donamometer to show numerical value, reach trial value and remain unchanged later on; Start well heater then, chilled water is heated to test temperature from environment temperature, when test parameters all reaches test condition; Kept 1 hour, no abnormal in the test, again test parameters is returned to initial value; After carrying out test of many times according to the method described above, the no abnormal phenomenon of test joint, off-test.
The test of this enforcement is whether their cooperation of check satisfies the correlation technique requirement, throws off to guarantee crack-free, ne-leakage, nothing, can long-time running.During test, undertaken by following condition:
(1) water pressure resistance performance
Water pipe is with after joint is connected, and carries out hydrostatic test according to the test condition of table 1, and crack-free, ne-leakage are answered in water pipe, joint and junction in the test.
Table 1 hydrostatic test condition
| Test temperature/℃ | Test pressure/MPa | Test period/h | Test product quantity |
| 20 | 1.5 | 2 | 3 |
| 80 | 2 | 2 | 3 |
(2) thermal circulation performance
Water pipe is with after joint is connected; By predetermined parameter (100 ℃ of environment temperatures; Test pressure 2MPa, cycle index 3000 times, 60min cycling time (cold and hot each 30min)) carry out thermal cycling test, crack-free, ne-leakage are answered in water pipe, pipe adapter and junction in the test.
(3) anti-drawing property
Water pipe is connected with joint and the assembly formed applies constant axial tension according to the test condition of table 2 regulation, and the maintenance regular hour, water pipe and joint junction should not move to axial in the process of the test.
The anti-pull-out test condition of table 2
| Test temperature/℃ | Test pulling force/N | Test period/h |
| 23±2 | 300 | 1 |
| 80 | 300 | 1 |
The combined test apparatus of the water pipe head of the utility model possesses the test of the multinomial performances such as withstand voltage, anti-drawing, thermal cycle of pipe adapter, can butt junction carry out the test of a certain performance; Also can carry out the joint test of several performances simultaneously; And test parameters can independently be controlled by each component parts, can reach test condition at short notice, and install simple, convenient; Control flexibly; Can satisfy each item performance test of joint fully, solve the problem that existing test unit exists, for the widespread use of water pipe head provides experimental basis.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although the utility model has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can make amendment or be equal to replacement the embodiment of the utility model; And do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (9)
1. test unit that is used for water pipe head, said test unit comprise test joint (1), testing table (2), be installed in stayed mast (3) on the said testing table (2), the water machine system (4) and the draw-bar donamometer (5) of hydraulic pressure are provided for the test joint; It is characterized in that said water machine system (4) constitutes closed circuit with said test joint (1); Said stayed mast (3) is connected with said test joint (1) through said draw-bar donamometer (5).
2. test unit as claimed in claim 1 is characterized in that, said test joint (1) comprises test joint I and test joint II;
Said test joint I one end is connected with the water delivering orifice of said water machine system (4) through rising pipe, and the said test joint I other end is connected with said test joint II one end through pipe; The said test joint II other end is connected with the water inlet of said water machine system (4) through water inlet pipe.
3. test unit as claimed in claim 1 is characterized in that, said test unit comprises tensimeter (6), and said tensimeter (6) is connected in the said closed circuit.
4. like claim 1 or 2 arbitrary described test units, it is characterized in that said test joint (1) comprises the water pipe head of external thread termination formula.
5. like claim 1 or 2 arbitrary described test units, it is characterized in that said test joint (1) comprises the bite type water pipe head.
6. like claim 1 or 2 arbitrary described test units, it is characterized in that said test joint (1) comprises the self-hard water pipe head.
7. test unit as claimed in claim 1 is characterized in that, said stayed mast (3) is the screw-type stayed mast; Said stayed mast (3) is fixed on said testing table (2) and upward and with said test joint II is connected.
8. test unit as claimed in claim 1 is characterized in that, said water machine system (4) comprises water circulation system, well heater and nitrogen stabilization pressure system; Said closed circuit is connected with said water circulation system, said well heater and said nitrogen stabilization pressure system respectively.
9. test unit as claimed in claim 1 is characterized in that, said bite type water pipe head comprises fittings body, preceding cutting ferrule, back cutting ferrule and gland nut; Said fittings body is connected with said back cutting ferrule with said preceding cutting ferrule, fixes through gland nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220142977 CN202631230U (en) | 2012-04-06 | 2012-04-06 | Test device used for water pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220142977 CN202631230U (en) | 2012-04-06 | 2012-04-06 | Test device used for water pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631230U true CN202631230U (en) | 2012-12-26 |
Family
ID=47384421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220142977 Expired - Fee Related CN202631230U (en) | 2012-04-06 | 2012-04-06 | Test device used for water pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631230U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470891A (en) * | 2013-09-18 | 2013-12-25 | 天津国际机械有限公司 | Large-caliber telescopic joint pressure test device for downstream position of valve pipeline |
| CN104792624A (en) * | 2015-05-12 | 2015-07-22 | 新兴河北工程技术有限公司 | Type test water system |
| CN108426656A (en) * | 2018-06-14 | 2018-08-21 | 焦作市质量技术监督检验测试中心 | A kind of cleaning of heat energy meter, Withstand test device |
| CN110361171A (en) * | 2018-04-03 | 2019-10-22 | 宁波方太厨具有限公司 | Water outlet connector component resistance test tooling |
-
2012
- 2012-04-06 CN CN 201220142977 patent/CN202631230U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470891A (en) * | 2013-09-18 | 2013-12-25 | 天津国际机械有限公司 | Large-caliber telescopic joint pressure test device for downstream position of valve pipeline |
| CN104792624A (en) * | 2015-05-12 | 2015-07-22 | 新兴河北工程技术有限公司 | Type test water system |
| CN110361171A (en) * | 2018-04-03 | 2019-10-22 | 宁波方太厨具有限公司 | Water outlet connector component resistance test tooling |
| CN108426656A (en) * | 2018-06-14 | 2018-08-21 | 焦作市质量技术监督检验测试中心 | A kind of cleaning of heat energy meter, Withstand test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190406 |