CN2888431Y - Circulating pressure impact tester - Google Patents
Circulating pressure impact tester Download PDFInfo
- Publication number
- CN2888431Y CN2888431Y CN 200620024216 CN200620024216U CN2888431Y CN 2888431 Y CN2888431 Y CN 2888431Y CN 200620024216 CN200620024216 CN 200620024216 CN 200620024216 U CN200620024216 U CN 200620024216U CN 2888431 Y CN2888431 Y CN 2888431Y
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- water tank
- valve
- pipeline
- pressure
- temperature
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Abstract
The utility model discloses a cycling pressure shock testing machine, comprising a cycling pressure controlling mechanism, a water tank, a plumbing fixture and a specimen body mechanism, wherein the cycling pressure controlling mechanism is composed of a high pressure centrifugal pump, a flow control valve and a solenoid valve. Through regulating the flow control valve and the solenoid valve, the high-pressure and low-pressure value required for testing can be set, and through the cycle time and frequency set by controller, ON and OFF of the solenoid valve can be controlled, so that the pressure can be switched over between high-voltage and low-voltage value, enabling cycling pressure shock test for thermoplastic plastic pipe and tube of the hot and cold water carrier system, as well as temperature measurement, temperature control, liquid level measurement, level control, pressure control display and cycling pressure control via central controller. The utility model has advantages of simple structure, easy to operate, low production cost, and compliance with the standard requirement.
Description
Technical field:
The utility model relates to a kind of plastic pipe, pipe fitting or pipe system tolerate the stress fatigue damage capability under the stress alternation effect circulating pressure impact testing machine that is used to detect.
Background technology:
ISO10508-1995 " cold and hot water supply system with thermoplastic plastic pipe and pipe fitting " has not only stipulated to be used for the plastic pipe of hot and cold water induction system of general pressure and the performance requirement of pipe fitting, and regulation assembles the thermoplastic plastic pipe that is used for the hot and cold water induction system and pipe fitting and is connected and it is carried out various special physical property tests, with this as plastic pipe and tube system performance evaluation and design basis.And the circulating pressure impulse test, it is a kind of special physical property test wherein, this test comprises that the test test specimen bears the ability of alternation circulating pressure under circulation and noncirculating water two states, the ISO10508-1995 concrete regulation technical parameter of circulating pressure impulse test, as test temperature, test pressure, cycle period, cycle index etc.But at present domestic still do not have this kind testing equipment and put on market, do not see on publication to disclose yet.
Summary of the invention:
The problem that the utility model exists at prior art, provide a kind of simple in structure, easy to operate, conformance with standard requires, be used to detect plastic pipe, pipe fitting or pipe system are under hot and cold water circulation or the acyclic state, the circulating pressure impact testing machine of tolerance stress fatigue damage capability under the stress alternation effect, technical solution adopted in the utility model is as follows, scheme one (with reference to figure 1): the utility model is by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, it is characterized in that the circulating pressure control gear is by high pressure centrifugal pump 2, several flow control valves 3,4,5 and solenoid valve 6 form, high pressure centrifugal pump one end is connected with water tank 25, the other end is connected with the test specimen clamping mechanism, and flow control valve 3 is serially connected in the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, at this variable valve back segment pipeline a branch pipeline is arranged, flow control valve 4 of string on the branch road of branch pipeline, be connected in series by a flow control valve 5 and solenoid valve 6 on another the in parallel branch road with it, high pressure centrifugal pump and parallel pipeline and water tank form closed circuit, water tank 25 is equipped with refrigeration plant 29 and well heater 30 to keep in the water tank water temperature constant, also is furnished with liquid level emasuring device 28 in addition, temperature probe 27, water injection valve 32,31 and filter for installation 1, test specimen clamping mechanism and test specimen form closed circuit in addition, and in this loop, being serially connected with constant temperature water tank 15 and ebullator 23, constant temperature water tank 15 is provided with temperature probe 17, liquid level sensor 18 and well heater 19.
Scheme two (referring to Fig. 2): the utility model is by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, it is characterized in that the circulating pressure control gear is by high pressure centrifugal pump 2, several flow control valves 4,5,6 and solenoid valve 3 form, high pressure centrifugal pump one end is connected with water tank 13, the other end is connected with water tank 13 with flow valve 6 by the test specimen clamping mechanism, form closed circuit, and on the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, be connected in series a parallel pipeline, string has flow control valve 5 on the branch pipeline of parallel pipeline, flow control valve 4 and solenoid valve 3 are arranged on another branch pipeline, water tank 13 is equipped with refrigeration plant 17 and well heater 18, constant with water temperature in the maintenance water tank, also is furnished with liquid level emasuring device 16, temperature probe 15, water injection valve 19 and 20, draining valve 14 and filter for installation 1.
Principle of work of the present utility model is as follows:
The utility model scheme one (with reference to figure 1) can be done the noncirculating water impulse test, in the process of the test, liquid does not flow in the sample, promptly in the circulating pressure impact process, the output terminal of sample seals, and high pressure centrifugal pump provides the impact general pressure, utilize the principle that fluid flow is inversely proportional in the pressure of high pressure centrifugal pump and the pipeline, by the aperture of regulating main line and dividing the variable valve on the pipeline, regulate the flow in the pipeline, thereby realize the variation of surge pressure.Job step is as follows: (1) is put into sample 12 on the pipeline, close hand control valve 7, open the hand control valve 9,14 of the input end of hand control valve 24 and sample and output terminal and vent valve 10 (during a plurality of sample, open the front and back end hand control valve and the vent valve of each sample respectively), open hand control valve 16, start ebullator 23, at room temperature give the sample water filling, discharge air; (2) start well heater 19, water temperature is raise 20 ℃, make sample pass through the water of this temperature, front jig 11 and rear jig 13 with sample clamps then, close the hand control valve 9,14 and the hand control valve 24 of ebullator 23 and token import output terminal, through one or two hours after, the water temperature in the sample is cooled to room temperature, utilizes this temperature difference to realize sample is applied prestress; (3) open hand control valve 7, starting pressure pump 2, close solenoid valve 6, by regulating flow valve 3,4, making tensimeter 8 displayed values is other high-voltage value that 1.5MPa or test standard require, open solenoid valve 6 then, regulate flow valve 5, making tensimeter 8 displayed values is other low voltage value that 0.1MPa or test standard require; (4) open the hand control valve of token import output terminal, controller is according to cycling time and the frequency set, the opening and closing of control electromagnetic valve 6 are switched the force value of tensimeter 8 between 0.1MPa and 1.5MPa, realize sample pressure and the frequency purpose that applies alternating pressure in accordance with regulations.
The utility model scheme two (with reference to figure 2) can be done recirculated water and impact test, in the process of the test, liquid changes i.e. sample two ends blow-by thereupon in the sample with the test pressure different flow, its course of work is as follows: (1) is put into sample 10 on the sample pipeline, does not clamp front jig 9 and rear jig 11; (2) open the hand control valve 8,12 of solenoid valve 3 and flow control valve 4,5,6 and token import output terminal, starting pressure pump 2 and ebullator 22, start heating arrangement 18, water temperature is raise 20 ℃, circulate after 5 minutes, clamp front jig 9 and rear jig 11, stop heating, close the hand control valve at sample two ends, treat that water temperature reduces to room temperature; (3) close solenoid valve 3, regulate flow control valve 5,6, the indicating value that makes tensimeter 7 is other low voltage value that 0.1MPa or test standard require, and opens solenoid valve 3 then, regulate flow control valve 4, the indicating value that makes tensimeter 7 is other high-voltage value that 1.5MPa or test standard require; (4) open the hand control valve of token import output terminal, controller is according to round-robin time and the frequency set, the unlatching and the closure of automatic control electromagnetic valve 3, the force value of tensimeter 7 is switched between 0.1MPa and 1.5MPa, realized sample pressure and the frequency purpose that applies alternating pressure in accordance with regulations.
Compared with prior art, the utility model has solved prior art and has been not used in the problem that thermoplastic plastic pipe and pipe fitting to the hot and cold water induction system carry out the circulating pressure impact test equipment, simple in structure, easy to operate, cost of manufacture is low, and the conformance with standard regulation.
Description of drawings:
Accompanying drawing 1 is the utility model embodiment one structural drawing
Accompanying drawing 2 is the utility model embodiment two structural drawing
Specific embodiments:
Embodiment one (see figure 1): the utility model is by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, the circulating pressure control gear is by high pressure centrifugal pump 2, several flow control valves 3,4,5 and solenoid valve 6 form, one end of high pressure centrifugal pump 2 is connected with water tank 25, the other end is connected with the test specimen clamping mechanism with tensimeter 8 through hand control valve 7, the front end of test specimen clamping mechanism is provided with vent valve 10, the two ends of test specimen clamping mechanism are respectively equipped with hand control valve 9,14 and the fixing anchor clamps 11 of sample 12,13, flow control valve 3 is serially connected in the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, at this variable valve back segment pipeline a parallel pipeline is arranged, flow control valve 4 of string on the branch road of this parallel pipeline, establish flow control valve 5 and solenoid valve 6 on another branch road, high pressure centrifugal pump and parallel pipeline and water tank form closed circuit, water tank 25 is equipped with refrigeration plant 29 and well heater 30 to keep in the water tank water temperature constant, also is furnished with liquid level emasuring device 28 in addition, temperature probe 27, water injection valve 32,31 and filter for installation 1, water tank 25 is provided with draining valve 26; Test specimen clamping mechanism and test specimen form closed circuit in addition, and in this loop, be serially connected with constant temperature water tank 15 and ebullator 23, be communicated with by hand control valve 16,24 between constant temperature water tank 15 and the test specimen clamping mechanism, constant temperature water tank is provided with temperature probe 17, liquid level sensor 18 and well heater 19, and be provided with automatic water supplement solenoid valve 20, moisturizing hand control valve 21 is provided with filtrator 22 between constant temperature water tank and ebullator 23, meet the requirements to guarantee water quality.
Embodiment two (see figure 2)s: the utility model is by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, the circulating pressure control gear is by high pressure centrifugal pump 2, several flow control valves 4,5,6 and solenoid valve 3 form, place on the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, it is a parallel pipeline, string has flow control valve 5 on the branch pipeline of parallel pipeline, flow control valve 4 and solenoid valve 3 are arranged on another branch pipeline, high pressure centrifugal pump one end is connected with water tank 13, the other end is by the circulating pressure control gear, the test specimen clamping mechanism is connected with water tank 13 with flow valve 6, form closed circuit, water tank 13 is equipped with refrigeration plant 17 and well heater 18, constant with water temperature in the maintenance water tank, also is furnished with liquid level emasuring device 16, temperature probe 15, water injection valve 19 and 20, draining valve 14, between circulating pressure control gear and test specimen clamping mechanism, be tensimeter 7, the two ends of sample 10 are provided with anchor clamps 9,11, and at anchor clamps 9, a hand control valve 8 is respectively established in 11 both sides, 12, between water tank 13 and ebullator 22, establish filtrator 21, and on the pipeline between high pressure centrifugal pump 2 and the water tank 23, be provided with filter for installation 1, meet the requirements to guarantee water quality.
Claims (2)
1, a kind of circulating pressure impact testing machine, by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, it is characterized in that the circulating pressure control gear is by high pressure centrifugal pump (2), several flow control valves (3), (4), (5) and solenoid valve (6) form, high pressure centrifugal pump one end is connected with water tank (25), the other end is connected with the test specimen clamping mechanism, and flow control valve (3) is serially connected in the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, at this variable valve back segment pipeline a branch pipeline is arranged, a string flow control valve (4) on the branch road of branch pipeline, be connected in series by a flow control valve (5) and solenoid valve (6) on another the in parallel branch road with it, high pressure centrifugal pump and parallel pipeline and water tank form closed circuit, water tank (25) is equipped with refrigeration plant (29) and well heater (30) to keep in the water tank water temperature constant, also is furnished with liquid level emasuring device (28) in addition, temperature probe (27), water injection valve (32), (31) and filter for installation (1), test specimen clamping mechanism and test specimen form closed circuit in addition, and in this loop, being serially connected with constant temperature water tank (15) and ebullator (23), constant temperature water tank (15) is provided with temperature probe (17), liquid level sensor (18) and well heater (19).
2, a kind of circulating pressure impact testing machine, by the circulating pressure control gear, water tank, pipeline and test specimen clamping mechanism are formed, can implement temperature survey by central controller, temperature control, level gauging, liquid level control, pressure shows and circulating pressure control, it is characterized in that the circulating pressure control gear is by high pressure centrifugal pump (2), several flow control valves (4), (5), (6) and solenoid valve (3) form, high pressure centrifugal pump one end is connected with water tank (13), the other end is connected with water tank (13) with flow valve (6) by the test specimen clamping mechanism, form closed circuit, and on the pipeline between high pressure centrifugal pump and the test specimen clamping mechanism, be connected in series a parallel pipeline, string has flow control valve (5) on the branch pipeline of parallel pipeline, flow control valve (4) and solenoid valve (3) are arranged on another branch pipeline, water tank (13) is equipped with refrigeration plant (17) and well heater (18), constant with water temperature in the maintenance water tank, also is furnished with liquid level emasuring device (16), temperature probe (15), water injection valve (19) and (20), draining valve (14) and filter for installation (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024216 CN2888431Y (en) | 2006-04-20 | 2006-04-20 | Circulating pressure impact tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024216 CN2888431Y (en) | 2006-04-20 | 2006-04-20 | Circulating pressure impact tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888431Y true CN2888431Y (en) | 2007-04-11 |
Family
ID=38047002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620024216 Expired - Fee Related CN2888431Y (en) | 2006-04-20 | 2006-04-20 | Circulating pressure impact tester |
Country Status (1)
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| CN (1) | CN2888431Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198308A (en) * | 2014-09-15 | 2014-12-10 | 辽宁工程技术大学 | Stretching and pressing integrated impact test machine |
| CN106768977A (en) * | 2017-01-19 | 2017-05-31 | 广州市辉固技术服务有限公司 | Flow controller durability detecting system |
| CN107238477A (en) * | 2016-03-29 | 2017-10-10 | 成都飞机工业（集团）有限责任公司 | A kind of pipeline connecting parts performance test system |
| CN107843403A (en) * | 2017-10-25 | 2018-03-27 | 天津航天瑞莱科技有限公司 | The experimental rig of anti-solid stream of water impact |
| CN108195708A (en) * | 2018-02-23 | 2018-06-22 | 江苏省产品质量监督检验研究院 | A kind of sample cabinet for cold and hot water cycle test |
| CN108982056A (en) * | 2018-05-29 | 2018-12-11 | 广州岳信试验设备有限公司 | A kind of marine environment simulation test device and test method |
| CN112715172A (en) * | 2020-12-14 | 2021-04-30 | 吉林大学 | Automatic-removable wall-surface-type straw compression mold for measuring resilience after straw pressing |
-
2006
- 2006-04-20 CN CN 200620024216 patent/CN2888431Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198308A (en) * | 2014-09-15 | 2014-12-10 | 辽宁工程技术大学 | Stretching and pressing integrated impact test machine |
| CN107238477A (en) * | 2016-03-29 | 2017-10-10 | 成都飞机工业（集团）有限责任公司 | A kind of pipeline connecting parts performance test system |
| CN106768977A (en) * | 2017-01-19 | 2017-05-31 | 广州市辉固技术服务有限公司 | Flow controller durability detecting system |
| CN107843403A (en) * | 2017-10-25 | 2018-03-27 | 天津航天瑞莱科技有限公司 | The experimental rig of anti-solid stream of water impact |
| CN108195708A (en) * | 2018-02-23 | 2018-06-22 | 江苏省产品质量监督检验研究院 | A kind of sample cabinet for cold and hot water cycle test |
| CN108982056A (en) * | 2018-05-29 | 2018-12-11 | 广州岳信试验设备有限公司 | A kind of marine environment simulation test device and test method |
| CN112715172A (en) * | 2020-12-14 | 2021-04-30 | 吉林大学 | Automatic-removable wall-surface-type straw compression mold for measuring resilience after straw pressing |
| CN112715172B (en) * | 2020-12-14 | 2021-10-29 | 吉林大学 | Automatic-removable wall-surface-type straw compression mold for measuring resilience after straw pressing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20140420 |