CN114252252A - Actuating mechanism water pressure test system and water pressure test device thereof - Google Patents
Actuating mechanism water pressure test system and water pressure test device thereof Download PDFInfo
- Publication number
- CN114252252A CN114252252A CN202111610905.7A CN202111610905A CN114252252A CN 114252252 A CN114252252 A CN 114252252A CN 202111610905 A CN202111610905 A CN 202111610905A CN 114252252 A CN114252252 A CN 114252252A
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- regulating valve
- pressure
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention discloses a water pressure test system of an actuating mechanism, which comprises a control system, wherein the control system comprises a control circuit; the control circuit is connected with the electromagnetic valve; the electromagnetic valve is connected with a pressure regulating valve group, and the pressure regulating valve group comprises an overflow valve and a ball valve; the outlet of the ball valve is connected with a test workpiece, the inlet of the ball valve is connected with the outlet of an overflow valve, the inlet of the overflow valve is connected with the outlet of a water pump, and the inlet of the water pump is connected with a water tank; and a one-way valve is connected between the water pump and the overflow valve. According to the invention, the excess pressure is overflowed through the overflow valve, the stability of the output pressure is ensured, the test efficiency is improved, the control circuit adopts the time relay and the intermediate relay, the time of the control system is detailed to the stopwatch, the test time accuracy is improved, the automation degree is high, the workload of operators is reduced, and the work efficiency is improved.
Description
Technical Field
The invention relates to the technical field of water pressure testing, in particular to a water pressure testing system of an actuating mechanism and a water pressure testing device thereof.
Background
In order to detect the water tightness of equipment and related parts and the water inlet pressure performance of a body, water pressure testing equipment is required to be used for detection; the hydraulic pressure test is an essential part in industrial production.
In real life, the water pressure testing equipment is easy to cause damage to a tested workpiece and unstable pressure to meet testing requirements because the output pressure of a water pump is unstable in the using process, and has larger potential safety hazard; therefore, how to solve the problem of stable pressure is an urgent need to solve the problem.
An automatic water pressure monitoring system disclosed in Chinese patent (application number: 202110693370.8, granted publication number: CN 113295338A); the method is characterized in that: the device comprises a water pump, a test workpiece, a pressure sensor and a control valve assembly which are sequentially connected through a pipeline, and further comprises a PLC control module and an upper computer module, wherein the water pump, the test workpiece, the pressure sensor and the control valve assembly are respectively connected with the PLC control module, and the PLC control module is connected with the upper computer module.
Referring to the above-mentioned published chinese patent, the following defects were found: the transmission and the return of the signal of the pressure sensor are completed through the PLC control module, the control of the valve group is completed through the control valve assembly, the stability of the testing pressure cannot be guaranteed, and the testing pressure which cannot be quickly adapted to a workpiece cannot be adjusted.
Disclosure of Invention
Aiming at the defects, the invention provides the actuating mechanism water pressure testing system and the water pressure testing device thereof, which have the advantages of simple structure, convenient use, improvement of the stability of the whole control system and high execution speed.
The purpose of the invention is realized as follows: the utility model provides an actuating mechanism water pressure test system which characterized in that: comprises a control system including a control circuit; the control circuit is connected with the electromagnetic valve;
the electromagnetic valve is connected with a pressure regulating valve group, and the pressure regulating valve group comprises an overflow valve and a ball valve; the outlet of the ball valve is connected with a test workpiece, the inlet of the ball valve is connected with the outlet of an overflow valve, the inlet of the overflow valve is connected with the outlet of a water pump, and the inlet of the water pump is connected with a water tank;
and a one-way valve is connected between the water pump and the overflow valve.
The pressure regulating valve group also comprises a first pressure regulating valve group, a second pressure regulating valve group and a third pressure regulating valve group; the electromagnetic valve is a three-way electromagnetic valve and is respectively connected with the first path of pressure regulating valve group, the second path of pressure regulating valve group and the third path of pressure regulating valve group.
The utility model provides a water pressure testing arrangement, includes portable panel beating box, its characterized in that: comprising an actuator hydraulics testing system as claimed in any one of claims 1 to 6; an electrical control box is arranged on the movable sheet metal box body; the electric control box is connected with the pressure regulating valve group, and the pressure regulating valve group is connected with the motor pump group; the motor pump group provides output power for the water pump.
The invention has simple structure, convenient use, time saving and improved stability and safety of the whole control system. When the three-way pressure regulating valve is used, a first way pressure regulating valve group, a second way pressure regulating valve group and a third way pressure regulating valve group which are sequentially connected with the three-way electromagnetic valve are tested aiming at different pressure products; during testing, the tested workpiece is connected with the corresponding pressure regulating valve group, the water pump is started through the control circuit, the constant pressure of the tested workpiece is regulated by the pressurizing liquid through the overflow valve, the redundant pressure overflows through the overflow valve, the electromagnetic valve is reversed after the point of failure when the testing is completed, the water pump is closed, and the pressure of the tested workpiece is released to the water tank.
Preferably, the control circuit comprises a power supply, an indicator light, a time relay, a button, an alternating current contactor, an intermediate relay and a three-phase motor;
the indicating lamp comprises a first indicating lamp and a second indicating lamp;
the buttons comprise a first button, a second button and a third button;
the alternating current contactor comprises a first alternating current contactor, a second alternating current contactor and a third alternating current contactor;
the intermediate relay comprises a first intermediate relay, a second intermediate relay and a third intermediate relay;
the electromagnetic valve is connected with a power supply; the power supply is connected with the first indicator light, the time relay, the second button and the three-phase motor in parallel;
the second button is connected with a third button, a second alternating current contactor and a time contactor in parallel;
the first intermediate relay is connected with the first button, the second intermediate relay and the time relay in parallel;
the first alternating current contactor is connected with a power supply in parallel;
the third button is connected with the second button and the second alternating current contactor in parallel; the second button controls the second alternating current contactor;
the time relay is also connected with a third intermediate relay;
the electromagnetic valve is also connected with a third alternating current contactor;
the second button (14) and the first intermediate relay (8) are connected with the time contactor (11) and form a loop with a power supply (3) through the time controller (11).
The control circuit is combined to form an electric control box, the electric control box comprises a control panel, and a first button, a second button and a third button are connected to the control panel in a protruding mode;
the control panel is also connected with a timer. The control circuit is formed by combining a power supply, an indicator light, a time relay, a button, an alternating current contactor, an intermediate relay, a three-phase motor and other components, the time relay controls the time to be adjusted to the designated time, the intermediate relay is combined to control the motor of the motor pump set, the motor pump set provides power for the water pump, and the pressure regulating valve set is connected with the water pump; thereby forming the entire device. The pressure regulating valve group provides power through a three-phase motor.
The first button, the second button and the third button are connected to a power line, and the first button controls the second intermediate relay and the first alternating current contactor to get power off; and the second indicator light indicates the power getting and losing of the first alternating current contactor; the second button controls the power on/off of the second alternating current contactor and the third button; the third button controls the power on and off of the time relay and the third intermediate relay; and the first indicator light indicates power gain or loss of the power supply; the time relay is used for switching on or switching off components with higher voltage and larger current; the intermediate relay is used for relay protection, is used for transmitting intermediate signals, and can only pass small current.
Preferably, the water pump inlet is provided with a filter element. Set up the filter core in the water pump entry, filter quality of water, avoid impurity to inhale the pump body, improve the life of water pump.
Preferably, the pressure regulating valve group is connected with a pressure sensor, and the pressure sensor transmits a signal to the control circuit. The pressure sensor is used for effectively transmitting the pressure of the workpiece in the pressure regulating valve group, so that the safety is effectively improved.
Preferably, the electrical control box is made of waterproof ABS materials. The whole waterproof ABS material that adopts of electrical control box lets components and parts and steam keep apart, has ensured the power consumption safety among the water pressure test process.
The invention has the beneficial effects that: 1. the control circuit is connected with the electromagnetic valve and the pressure regulating valve group through the electromagnetic valve, and the control circuit ensures the stability of control signals; the pressure regulating valve group comprises an overflow valve and a ball valve, the electromagnetic valve controls the pressure of the workpiece to be tested quickly through the overflow valve, redundant pressure overflows through the overflow valve, stability of output pressure is guaranteed, and testing efficiency is improved.
2. The three-way electromagnetic valve is sequentially connected with the first pressure regulating valve group, the second pressure regulating valve group and the third pressure regulating valve group, so that different requirements of different workpiece testing pressures can be met, and the stable pressure output range can be adjusted; the electromagnetic valve can also automatically release pressure after the workpiece is tested, manual pressure release is not needed, and the safety of the test process is further improved.
3. The control circuit adopts time relay and auxiliary relay, and is careful to the stopwatch to control system's time, improves test time's precision, and degree of automation is high, reduces operating personnel's work load, improves work efficiency.
Drawings
FIG. 1 is a circuit diagram of the present invention.
Fig. 2 is an electrical schematic of the control circuit of the present invention.
FIG. 3 is a schematic structural diagram of the present invention.
Wherein, 1 solenoid valve, 2 pressure regulating valves, 21 first pressure regulating valves, 22 second pressure regulating valves, 23 third pressure regulating valves, 3 powers, 4 first pilot lamps, 5 second pilot lamps, 6 first ac contactor, 7 second ac contactor, 8 first auxiliary relay, 9 second auxiliary relay, 10 third auxiliary relay, 11 time relay, 12 three-phase motor, 13 first button, 14 second button, 15 third button, 16 electrical control box, 17 portable panel beating box, 18 third ac contactor.
Detailed Description
The invention will be further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the hydraulic pressure testing system for the actuating mechanism comprises a control system, wherein the control system comprises a control circuit; the control circuit is connected with the electromagnetic valve 1; the electromagnetic valve 1 is connected with the pressure regulating valve group 2, a pressure sensor is arranged on the pressure regulating valve group 2, and the pressure sensor transmits a signal to the control circuit; the pressure regulating valve group 2 comprises an overflow valve and a ball valve; the pressure regulating valve group 2 further comprises a first pressure regulating valve group 21, a second pressure regulating valve group 22 and a third pressure regulating valve group 23; the electromagnetic valve 1 is a three-way electromagnetic valve 1 and is sequentially connected with a first pressure regulating valve group 21, a second pressure regulating valve group 22 and a third pressure regulating valve group 23; the outlet of the ball valve is connected with a test workpiece, the inlet of the ball valve is connected with the outlet of an overflow valve, the inlet of the overflow valve is connected with the outlet of a one-way valve, the inlet of the one-way valve is connected with the outlet of a water pump, and the inlet of the water pump is connected with a water tank; a filter element is also arranged in the water pump inlet; because the three-way pressure regulating valve group 2 is arranged, the three-way pressure regulating valve group 2 is connected with the corresponding test workpiece, and different test pressures can be regulated according to requirements.
Further, the control circuit comprises a power supply 3, an indicator light, a time relay 11, a button, an alternating current contactor, an intermediate relay and a three-phase motor 12;
the indicator lamps comprise a first indicator lamp 4 and a second indicator lamp 5;
the buttons include a first button 13, a second button 14, and a third button 15;
the alternating current contactor comprises a first alternating current contactor 6, a second alternating current contactor 7 and a third alternating current contactor 18;
the intermediate relay includes a first intermediate relay 8, a second intermediate relay 9, and a third intermediate relay 10;
the electromagnetic valve 1 is connected with a power supply 3; the power supply 3 is connected with a first indicator lamp 4, a time relay 11, a second button 14 and a three-phase motor 12 in parallel;
the second button 14 is connected with the third button 15, the second alternating current contactor 7 and the time contactor 11 in parallel;
the first intermediate relay 8 is connected with the first button 13, the second intermediate relay 9 and the time relay 11 in parallel;
the first alternating current contactor 6 is connected with the power supply 3 in parallel;
the third button 15 is connected with the second button 14 and the second AC contactor 7 in parallel; the second button 14 controls the second ac contactor 7;
the time relay 11 is also connected with a third intermediate relay 10;
the electromagnetic valve 1 is also connected with a third alternating current contactor 18;
the second push button 14 and the first intermediate relay 8 will form a loop in the power supply 3 by connecting the time contact 11.
The electric control box 16 is formed by the combination of the components of the control circuit, the electric control box 16 comprises a control panel, and the first button 13, the second button 14 and the third button 15 are connected on the control panel in a highlighted way; the control panel is also provided with a timer.
Further, as shown in fig. 3, the water pressure testing device comprises a movable sheet metal box body 17, and an electric control box 16 is connected to the movable sheet metal box body 17; the electric control box 16 is connected with the pressure regulating valve group 2, and the pressure regulating valve group 2 is connected with the motor pump set; the motor pump set provides output power for the water pump; the electrical control box 16 may be made of waterproof ABS material.
The electric control boxes 16 including the control system are combined and connected together through the movable sheet metal box body 17 to form an executing mechanism water pressure testing system and a water pressure testing device thereof, and the executing mechanism water pressure testing system is used for adjusting and controlling the pressure regulating valve group 2, so that the stability of water pressure is controlled.
As shown in fig. 1, the pressure regulating valve block 2 includes a first pressure regulating valve block 21, a second pressure regulating valve block 22 and a third pressure regulating valve block 23; the first pressure regulating valve group 21 is connected with a test workpiece A, the second pressure regulating valve group 22 is connected with a test workpiece B, and the third pressure regulating valve group 23 is connected with a test workpiece C.
Example 1:
the first pressure regulating valve group 21 is connected with a test workpiece A, and the pressure value of the test workpiece A is 5 kilograms; when a workpiece A is tested, a ball valve in a first pressure regulating valve group 21 is opened, ball valves in a second pressure regulating valve group 22 and a third pressure regulating valve group 23 are closed, an outlet of the ball valve is connected with a corresponding test workpiece, a corresponding overflow valve is connected to corresponding 5 kilograms, a time relay 11 is adjusted to a specified time, a water pump is started, and the pressure of pressurized water entering the test workpiece through the overflow valve is constant at 5 kilograms; after the pressure maintaining time is over, the time relay 11 controls the motor to lose power, the water pump stops running, the electromagnetic valve 1 loses power to change the direction, the water pressure in the tested workpiece is released, and the water pressure test of the tested workpiece A is finished.
Example 2:
the first pressure regulating valve group 21 is connected with a test workpiece B, and the pressure value of the test workpiece B is 15 kilograms; when a workpiece B is tested, the ball valves in the second pressure regulating valve group 22 are opened, the ball valves in the first pressure regulating valve group 21 and the third pressure regulating valve group 23 are closed, the outlet of each ball valve is connected with the corresponding test workpiece, the corresponding overflow valve is connected to the corresponding 5 kilograms, the time relay 11 is adjusted to the specified time, the water pump is started, and the pressure of pressurized water entering the test workpiece through the overflow valve is constant at 15 kilograms; after the pressure maintaining time is over, the time relay 11 controls the motor to lose power, the water pump stops running, the electromagnetic valve 1 loses power to change the direction, the water pressure in the tested workpiece is released, and the water pressure test of the tested workpiece B is completed.
Example 3:
the first pressure regulating valve group 21 is connected with a test workpiece C, and the pressure value of the test workpiece C is 20 kilograms; when a workpiece C is tested, a ball valve in the third pressure regulating valve group 23 is opened, ball valves in the first pressure regulating valve group 21 and the second pressure regulating valve group 22 are closed, an outlet of the ball valve is connected with a corresponding test workpiece, a corresponding overflow valve is connected to a corresponding 20 kg, the time relay 11 is adjusted to a specified time, a water pump is started, and the pressure of pressurized water entering the test workpiece through the overflow valve is constant at 20 kg; after the pressure maintaining time is over, the time relay 11 controls the motor to lose power, the water pump stops running, the electromagnetic valve 1 loses power to change the direction, the water pressure in the tested workpiece is released, and the water pressure test of the tested workpiece C is finished.
Through connecting first pressure regulating valves 21 with test work piece A, second pressure regulating valves 22 with test work piece B and third pressure regulating valves 23 with test work piece C, control system carries out the control regulation to time relay 11 of different pressure changes in advance, guarantees when testing different work pieces, does not carry out the adjustment.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an actuating mechanism water pressure test system which characterized in that: comprises a control system including a control circuit; the control circuit is connected with the electromagnetic valve (1); the electromagnetic valve (1) is connected with the pressure regulating valve group (2), and the pressure regulating valve group (2) comprises an overflow valve and a ball valve; the outlet of the ball valve is connected with a test workpiece, the inlet of the ball valve is connected with the outlet of an overflow valve, the inlet of the overflow valve is connected with the outlet of a water pump, and the inlet of the water pump is connected with a water tank; and a one-way valve is connected between the water pump and the overflow valve.
2. The actuator hydraulics testing system of claim 1 wherein: the pressure regulating valve group (2) comprises a first pressure regulating valve group (21), a second pressure regulating valve group (22) and a third pressure regulating valve group (23); the electromagnetic valve (1) is a three-way electromagnetic valve (1) and is respectively connected with a first pressure regulating valve group (21), a second pressure regulating valve group (22) and a third pressure regulating valve group (23).
3. The actuator hydraulics testing system of claim 1 wherein: the control circuit comprises a power supply (3), an indicator light, a time relay (11), a button, an alternating current contactor, an intermediate relay and a three-phase motor (12);
the indicating lamp comprises a first indicating lamp (4) and a second indicating lamp (5); the buttons comprise a first button (13), a second button (14) and a third button (15); the alternating current contactor comprises a first alternating current contactor (6), a second alternating current contactor (7) and a third alternating current contactor (18); the intermediate relay comprises a first intermediate relay (8), a second intermediate relay (9) and a third intermediate relay (10); the electromagnetic valve (1) is connected with a power supply (3); the power supply (3) is connected with the first indicator lamp (4), the time relay (11), the second button (14) and the three-phase motor (12) in parallel; the second button (14) is connected with a third button (15), a second alternating current contactor (7) and a time contactor (11) in parallel; the first intermediate relay (8) is connected with the first button (13), the second intermediate relay (9) and the time relay (11) in parallel; the first alternating current contactor (6) is connected with a power supply (3) in parallel; the third button (15) is connected with the second button (14) and the second alternating current contactor (7) in parallel; the second button (14) controls the second AC contactor (7); the time relay (11) is also connected with a third intermediate relay (10);
the electromagnetic valve (1) is also connected with a third alternating current contactor (18); the second button (14) and the first intermediate relay (8) are connected with the time contactor (11) and form a loop with a power supply (3) through the time controller (11).
4. The actuator hydraulics testing system of claim 1 wherein: and a filter element is arranged at the inlet of the water pump.
5. The actuator hydraulics testing system of claim 1 wherein: and the pressure regulating valve group (2) is connected with a pressure sensor, and the pressure sensor transmits a signal to the control circuit.
6. The actuator hydraulics testing system of claim 3 wherein: the control circuit is combined to form an electric control box (16) which comprises a control panel, and a first button (13), a second button (14) and a third button (15) are connected on the control panel in a protruding mode; the control panel is also connected with a timer.
7. The utility model provides a water pressure testing arrangement, includes portable panel beating box (17), its characterized in that: comprising an actuator hydraulics testing system as claimed in claims 1-6; an electric control box (16) is arranged on the movable sheet metal box body (17); the electric control box (16) is connected with the pressure regulating valve group (2), and the pressure regulating valve group (2) is connected with the motor pump set; the motor pump group provides output power for the water pump.
8. A water pressure testing device according to claim 7, wherein: the electric control box (16) is made of waterproof ABS materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610905.7A CN114252252B (en) | 2021-12-27 | 2021-12-27 | Actuating mechanism water pressure test system and water pressure test device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111610905.7A CN114252252B (en) | 2021-12-27 | 2021-12-27 | Actuating mechanism water pressure test system and water pressure test device thereof |
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| CN114252252B CN114252252B (en) | 2023-09-05 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788066U (en) * | 2010-08-31 | 2011-04-06 | 青岛海信模具有限公司 | Full automatic pressure tester |
| CN202631241U (en) * | 2012-06-13 | 2012-12-26 | 常州兰翔机械有限责任公司 | Nozzle flow testing device |
| CN103062143A (en) * | 2012-12-31 | 2013-04-24 | 太原重工股份有限公司 | Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system |
| CN103424322A (en) * | 2013-07-19 | 2013-12-04 | 浙江大学 | Hydraulic fatigue test system for pressure-bearing casing made of carbon fiber composite material |
| CN203519429U (en) * | 2013-11-06 | 2014-04-02 | 广东出入境检验检疫局检验检疫技术中心 | Hydraulic tester |
| JP2015130926A (en) * | 2014-01-10 | 2015-07-23 | ホーチキ株式会社 | automatic valve device inspection system |
| CN206095579U (en) * | 2016-08-19 | 2017-04-12 | 常州博瑞电力自动化设备有限公司 | Water -cooling plate current hinder with water pressure measuremental experiment platform |
| CN106768978A (en) * | 2017-01-18 | 2017-05-31 | 辽宁工程技术大学 | A kind of blade of aviation engine current amount detecting device and method |
| CN206930530U (en) * | 2017-07-20 | 2018-01-26 | 山西骏通铸管有限公司 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
| CN107884277A (en) * | 2016-09-29 | 2018-04-06 | 曾婷 | A kind of multiple gas cylinder pressure test hydraulic means |
| CN208270184U (en) * | 2018-04-20 | 2018-12-21 | 长春施米特自动化技术有限公司 | It is a kind of for detecting the device of water route pressures cycle |
| CN112392707A (en) * | 2020-11-26 | 2021-02-23 | 郑州中原思蓝德高科股份有限公司 | Fluid pressure control device |
-
2021
- 2021-12-27 CN CN202111610905.7A patent/CN114252252B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788066U (en) * | 2010-08-31 | 2011-04-06 | 青岛海信模具有限公司 | Full automatic pressure tester |
| CN202631241U (en) * | 2012-06-13 | 2012-12-26 | 常州兰翔机械有限责任公司 | Nozzle flow testing device |
| CN103062143A (en) * | 2012-12-31 | 2013-04-24 | 太原重工股份有限公司 | Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system |
| CN103424322A (en) * | 2013-07-19 | 2013-12-04 | 浙江大学 | Hydraulic fatigue test system for pressure-bearing casing made of carbon fiber composite material |
| CN203519429U (en) * | 2013-11-06 | 2014-04-02 | 广东出入境检验检疫局检验检疫技术中心 | Hydraulic tester |
| JP2015130926A (en) * | 2014-01-10 | 2015-07-23 | ホーチキ株式会社 | automatic valve device inspection system |
| CN206095579U (en) * | 2016-08-19 | 2017-04-12 | 常州博瑞电力自动化设备有限公司 | Water -cooling plate current hinder with water pressure measuremental experiment platform |
| CN107884277A (en) * | 2016-09-29 | 2018-04-06 | 曾婷 | A kind of multiple gas cylinder pressure test hydraulic means |
| CN106768978A (en) * | 2017-01-18 | 2017-05-31 | 辽宁工程技术大学 | A kind of blade of aviation engine current amount detecting device and method |
| CN206930530U (en) * | 2017-07-20 | 2018-01-26 | 山西骏通铸管有限公司 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
| CN208270184U (en) * | 2018-04-20 | 2018-12-21 | 长春施米特自动化技术有限公司 | It is a kind of for detecting the device of water route pressures cycle |
| CN112392707A (en) * | 2020-11-26 | 2021-02-23 | 郑州中原思蓝德高科股份有限公司 | Fluid pressure control device |
Non-Patent Citations (1)
| Title |
|---|
| 王晓静;潘迪夫;韩锟;: "基于LabVIEW平台的三容水箱实验系统的设计和实现", 《企业技术开发》, vol. 27, no. 01, pages 3 - 5 * |
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| Publication number | Publication date |
|---|---|
| CN114252252B (en) | 2023-09-05 |
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