CN105973714A - Automatic control pressure tester - Google Patents
Automatic control pressure tester Download PDFInfo
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- CN105973714A CN105973714A CN201610566449.3A CN201610566449A CN105973714A CN 105973714 A CN105973714 A CN 105973714A CN 201610566449 A CN201610566449 A CN 201610566449A CN 105973714 A CN105973714 A CN 105973714A
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- pressure
- water
- water tank
- testing machine
- valve
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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
- G01N3/08—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an automatic control pressure tester. The automatic control pressure tester comprises an enclosure, an electric contact pressure meter arranged on the enclosure, a water tank and a floating ball liquid level meter arranged in the water tank, and further comprises a feed pump, a solenoid valve, a hydraulic pipeline and an electric control system; the floating ball liquid level meter is connected with the solenoid valve through a relay; the electric contact pressure meter is internally provided with a pressure pointer and a high-pressure and low-pressure pre-setting pointer; and the feed pump, the solenoid valve and the electric contact pressure meter are connected into the hydraulic pipeline and are connected with the electric control system respectively. The automatic control pressure tester has the advantages of reasonable structure, convenience for operation and safety and reliability, and has intelligent functions of pre-setting pressure, automatically stopping when reaching pressure, alarming in the case of pressure leak, alarming when reaching maintaining pressure, automatically supplementing water for the water tank and the like.
Description
Technical field
The present invention relates to the pressure test technology field to various pressure vessels, pipeline, Coal Chemical Industry equipment etc., be specifically related to one
Automatically control pressure testing machine.
Background technology
According to country and industry relevant regulations, every pressure vessel kind equipment will carry out pressure-bearing test, pressure-bearing before dispatching from the factory
1.5 times that test pressure is this equipment the highest design work pressure of test, the dwell time is 5～30 minutes.Pressure-bearing test is
Pressure container type production and the important evidence of examination, be also the most frequently used most important before each pressure container type product export
Test stage.
At present, the hands fortune that two classes, a class are traditional is mainly had to suppress equipment for the equipment in terms of pressure test on the market,
Another kind of for motor test pump.
Traditional hands fortune is suppressed equipment employing and is manually pulled lever, and lever drives the work side of pump housing reciprocating motion of the pistons again
Formula, needs manpower ceaselessly to pull lever when suppressing, hand labor intensity is big and inefficiency.
Motor test pump uses driven by motor reciprocating motion of the pistons, it is achieved that the mechanized operation suppressed, but such produces
Product general only one of which start button, stop button, one piece of Pressure gauge, then without other Control function.During operation, manually press
Lower start button, starts motor and carries out pressure testing operation, and gauge hand is gradually increasing, when pointer indicates pressure-bearing test requirements document
During force value, workman must be manually pressed by stop button at once, makes pressuring pump quit work.If failing the most artificially to stop suppressing
Pump, then the pressure of pressure testing system can constantly rise under the effect of pump, when exceeding the maximum pressure value that pressure testing system can bear
After, it is possible to cause device damage and then cause security incident.After whole system enters packing state, need in pressure maintaining period
Want manual time-keeping, simultaneously need to observe whether gauge hand falls after rise at any time.The operating process of motor test pump needs too much
Manpower participates in, inefficient, intelligent not.
Summary of the invention
It is an object of the invention to provide a kind of rational in infrastructure, easy to operate, safe and reliable, possess pressure and pre-set, to pressure
Be automatically stopped, pressure release warning, pressurize to alarm, the intelligent functions such as water tank automatic water supplement automatically control pressure testing machine.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
One automatically controls pressure testing machine, and including cabinet, the electro connecting pressure gauge being located on cabinet, water tank, that is located in water tank is floating
Ball liquidometer, also includes feed pump, electromagnetic valve, fluid pressure line and electric control system, and floating ball lever meter is by relay and electricity
Magnet valve connects, and is provided with Pressure gauge indicating value pointer and high-low pressure default pointer in electro connecting pressure gauge, and feed pump, electromagnetic valve and electricity connect
Point pressure table accesses in fluid pressure line and is connected with electric control system respectively.
Further, the water inlet pipe of feed pump one end accesses in water tank by filter screen, and the other end passes through check valve, overflow
Valve, pressure-relief valve connect with detected pressure vessel, and electro connecting pressure gauge connects with detected pressure vessel, and check valve continues with pressure
Electrical equipment connects, and feed pump is connected with electromagnetic valve by A.C. contactor, thermorelay and relay, and fluid pressure line is provided with air bleeding valve
And sealing flange, water tank upper is provided with gap, and bottom is provided with drain valve.
Further, described electric control system is provided with main-circuit protection fuse on three inlet wires of main power source,
Whole electrical system is carried out overload protection；A.C. contactor and hot relay it is provided with between main circuit and feed pump mair motor
Device, coordinates auxiliary reclay to realize the on off control of mair motor；Electric control system is according to the ball float liquid being arranged in water tank
Position meter controls being turned on and off of entering water electromagnetic valve, it is achieved automatic water supplement function.
Further, the ball float of floating ball lever meter is stainless steel material, and there is a through hole at ball float center, and liquid level ruler passes ball float
Through hole.
Further, described cabinet uses full-closed structure, and described fluid pressure line and electrical apparatus control system are all in cabinet
Portion.
Further, the guidance panel of described cabinet is provided with on and off switch, digital display timer, power supply indicator, arrives pressure
Button driven by display lamp, pressurize then alarm, pressure release alarm, water pump, water pump closes button, then ann reset button, pressure release
Ann reset button.
Further, on the upside of cabinet, cover plate it is provided with.
The present invention compared with prior art, has the advantages that
1, one of the present invention automatically controls pressure testing machine, possess pressure pre-set, be automatically stopped to pressure, pressurize self-clocking, pressure release
Report to the police, pressurize to the intelligent functions such as alarm, simple in construction, easy to operate, safe and reliable, it is ensured that operator's personal safety with
Equipment runs safety.
2, pressure testing machine uses full-closed structure, and feed pump, fluid pressure line, electromagnetic valve, circuit control system are by outside metal plate
Gold part is encapsulated in cabinet inside, because of reasons such as leakage, injections, operator and surrounding enviroment will not cause damage, it is ensured that pacify
Full operation.
3, at cabinet inside, circuit control system part and fluid pressure line part are separated into two single modules, because of
The situations such as this will not leak due to hydraulic part, injection cause the fault to circuit control system or potential safety hazard.
4, front and both sides on the upside of cabinet are provided with cover plate, it is possible to ensure the personal safety of operator.
Accompanying drawing explanation
Fig. 1 is that one of the present invention automatically controls the automatically controlled logic chart of pressure testing machine.
Fig. 2 is that one of the present invention automatically controls pressure testing machine circuit theory diagrams.
Fig. 3 is that one of the present invention automatically controls pressure testing machine chassis structure chart.
Fig. 4 is that one of the present invention automatically controls pressure testing machine cabinet guidance panel schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings, embodiments of the invention are described in further detail.
As it is shown in figure 1, one automatically controls pressure testing machine, including cabinet, the electro connecting pressure gauge being located on cabinet, water tank,
The floating ball lever meter being located in water tank, it is characterised in that: also include feed pump, electromagnetic valve, fluid pressure line and electric control system,
Floating ball lever meter is connected with electromagnetic valve by relay, is provided with Pressure gauge indicating value pointer and high-low pressure is preset in electro connecting pressure gauge
Pointer, feed pump, electromagnetic valve and electro connecting pressure gauge access in fluid pressure line and are connected with electric control system respectively.
The water inlet pipe of feed pump one end is accessed in water tank by filter screen, the other end by check valve, overflow valve, pressure-relief valve with
Detected pressure vessel connection, electro connecting pressure gauge connects with detected pressure vessel, and check valve is connected with pressure switch, gives
Water pump is connected with electromagnetic valve by A.C. contactor, thermorelay and relay, and fluid pressure line is provided with air bleeding valve and sealing flange,
Water tank upper is provided with gap, and bottom is provided with drain valve.
As in figure 2 it is shown, electric control system is provided with main-circuit protection fuse Q1 on three inlet wires of main power source, use
In whole electric system is carried out overload protection.Be provided with between main circuit and booster mair motor A.C. contactor KM1 and
Thermorelay FR1, coordinates auxiliary reclay KA1 to realize the on off control of mair motor.Three output contacts of A.C. contactor
On be provided with thermorelay FR1, do not damage because of overheated mainly for the protection of booster mair motor.Rise if meeting
When press pump mair motor is overheated, thermorelay FR1 controls A.C. contactor cut-out booster mair motor and powers, and makes booster mair motor
Quit work in order to avoid scaling loss.The high pressure default pointer contact signal line of electro connecting pressure gauge also associates with auxiliary reclay KA1, logical
Cross auxiliary reclay KA1 and transmit control signal to A.C. contactor KM1, to realize boosting to preset high-pressure at hydraulic plumbing system
Control main booster motor during value to stop.Control knob SB1 (button left by water pump), SB2 (water pump pass button) also with middle relay
Device KA1 associates, and transmits control signal by auxiliary reclay KA1 to A.C. contactor KM1, to realize starting booster and stopping
Artificial Control only.
Electric control system can also control the unlatching of entering water electromagnetic valve according to the floating ball lever meter being arranged in water tank
Or close, to realize automatic water supplement function.The ball float of floating ball lever meter is stainless steel material, and there are a through hole, liquid level in ball float center
Chi, through the through hole of ball float, makes ball float swim in only along liquid level ruler and floats with liquid level on liquid level.Ball float is built-in with sensing dress
Put.When in water tank, water level arrives liquid level lower limit, ball float can touch low-water level switch SA3 adhesive, causes the action of relay K A3 to beat
Driving water solenoid valve into makes current enter in water tank.When ball float rises, with liquid level, the high level set-point arrived on liquid level ruler, touch
High water level switch SA2 adhesive, causes the action of relay K A2, is closed by electricity entering water electromagnetic valve.The low liquid level line of floating ball lever meter sets
Meter liquid level, higher than the position of booster water sucking mouth, so can effectively prevent booster suction, thus ensure that booster is not because of suction
Cause cavitation erosion or other damage.Its high level line is less than edge on water tank simultaneously, to avoid because in water tank, water spill-over goes out.
The pressure sensitive parts of electro connecting pressure gauge are connected with fluid pressure line by joint, to guarantee that Pressure gauge indicating value refers to
Pin changes with the change of pressure in fluid pressure line.The indicating value pointer of electro connecting pressure gauge is provided with relay contacts point, simultaneously
Also have a high pressure default pointer and a low pressure default pointer in Pressure gauge dial plate, the two pointer is equipped with relay contacts
Point, and two groups of pointer preset values all can on-demand adjust.When electrical pickoff and the coincidence of default pointer indicating value of indicating value pointer, two groups
The pointer electrical pickoff adhesive triggering pressure switch SA1 action corresponding control signal of generation gives follow-up relay K A1, thus causes
Subsequent control system works or lights corresponding display lamp and alarm buzzer etc..
When the indicating value pointer indicated value of electro connecting pressure gauge is less than high pressure preset value, can manually press water pump and drive button
(control knob SB1) starts booster and boosts hydraulic system, when electro connecting pressure gauge indicating value pointer presets finger with high pressure
When pin overlaps (pressure system reaches to preset maximum pressure), two groups of pointer electrical pickoff adhesives trigger the action of pressure switch SA1
Produce corresponding control signal to follow-up relay K A1, catalyst KT1 and time-delay relay KA4.KA1 triggers and it is associated
A.C. contactor KM1 make booster mair motor quit work；KT1 triggers the adhesive of corresponding contact and makes after receiving control signal
Display lamp HL2(is to pressure display lamp 15) light；Time-delay relay KA4 touches after receiving the correlation signal of catalyst KT1 accordingly simultaneously
Point adhesive, start pressurize timework, when the dwell time (dwell time user can sets itself, time-delay relay Display panel
Countdown) reach control system Preset Time after, time-delay relay KA4 produce control signal cause then buzzer DL3 (pressurize
Then alarm) send warning acousto-optic, prompting operator's system pressurize completes.Now operator manually relief port complete right
Whole system release, completes to suppress operation.
In pressurize timing course, if hydraulic system there occurs leakage, the indicating value pointer of electro connecting pressure gauge will and high pressure
Default pointer disengages, and makes high voltage control signal disconnect, thus triggers the catalyst KA5 action being associated and make low pressure buzzer DL4
(pressure release alarm) sends warning acousto-optic, and leakage problem occurs in prompting operator's hydraulic system.Operator is according to pressure test
Relevant regulations, goes through hydraulic system, confirms leakaging cause and makes corresponding process, pressing water after having processed
Pump leaves button (control knob SB1) and starts booster boosting new to hydraulics weight.
If going wrong during booster works, operator all can press SB2 button (water pump pass button), makes water
Pump quits work.
As it is shown on figure 3, described cabinet uses full-closed structure, described fluid pressure line and electrical apparatus control system are all in cabinet
Portion.Cabinet side is provided with push and pull bar 1, and cabinet top is provided with guidance panel 2, is provided with roller 3 bottom cabinet.Cabinet is provided with electricity
Machine radiator window 4, observation window of liquid level 5 and manual relief port 6.Cabinet upper operating panel periphery is provided with cover plate 7.
As shown in Figure 4, the guidance panel 2 of described cabinet is provided with on and off switch 8, digital display timer 9, power supply indicator
10, to pressure display lamp 11, pressurize then alarm 12, pressure release alarm 13, button 14 left by water pump, water pump closes button 15, then
Ann reset button 16, pressure release ann reset button 17.
The present invention is a kind of, and to automatically control the operating process of pressure testing machine as follows:
Before starting pressure-bearing test, by the upper limit pointer regulation of electro connecting pressure gauge to the maximum indicating value of pressure-bearing test requirements document, so
The rear adjustment time relay sets the time value wanting pressurize.
After adjusting the two parameter, pressing feed pump start button, feed pump starts, by water charged pressure container, to press
Pressure in force container rises in time, when pressure reaches setting value, i.e. and the upper limit pointer of Pressure gauge indicating value pointer and setting
Overlap, produces one signal of telecommunication, by auxiliary reclay, catalyst etc. control water pump quit work and close electromagnetic valve stop to
Moisturizing in water tank, now activationary time condenser starts timing, and pressure-bearing test enters pressurize time status.
Arrive after the setting time, pressurize then signal adhesive pressurize then alarm, send sound and display lamp signal
Prompting, prompting operator's pressurize completes.If there is leakage situation in pressure maintaining period, Pressure gauge indicating value pointer will be with upper limit pointer
Offseting, at this moment the signal of telecommunication is cut off, and pressure release Activation of buzzer is reported to the police.
In order to prevent from electro connecting pressure gauge or other electric elements from going wrong causing system to the pump housing after pressure not can from
Dynamic stopping, equipped with relief valve on valve outlet pipeline, relief valve pressurized is opened and is made whole system pressure release.Pressure release valve opening pressure
10%～20% is exceeded than system maximum working pressure.Thus avoid damaging system pipeline, valve and test because of hypertonia
Part, also ensure that equipment and personal security.
Finding that during pressure testing any problem all can be pressed water pump in time and close button, the artificial feed pump that stops works.Work
When making, after corresponding alarm (pressurize then alarm or pressure release alarm) sends warning, workman can be first by corresponding report
Alert device SR (then ann reset button or pressure release ann reset button) releases to be reported to the police, and then makes phase further according to situation
The process answered.Again pressing starting mode of pump button after having processed makes stamper rework.
Pressure-bearing can manually complete whole system release relief port after having tested.
The above is only the preferred embodiment for the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as this
In invention protection domain.
Claims (7)
1. automatically control a pressure testing machine, including cabinet, the electro connecting pressure gauge being located on cabinet, water tank, be located in water tank
Floating ball lever meter, it is characterised in that: also including feed pump, electromagnetic valve, fluid pressure line and electric control system, floating ball lever meter leads to
Cross relay to be connected with electromagnetic valve, in electro connecting pressure gauge, be provided with Pressure gauge indicating value pointer and high-low pressure default pointer, feed pump,
Electromagnetic valve and electro connecting pressure gauge access in fluid pressure line and are connected with electric control system respectively.
One the most according to claim 1 automatically controls pressure testing machine, it is characterised in that: the water inlet pipe of feed pump one end passes through
Filter screen accesses in water tank, and the other end is connected with detected pressure vessel by check valve, overflow valve, pressure-relief valve, electric contact pressure
Table connects with detected pressure vessel, and check valve is connected with pressure switch, feed pump by A.C. contactor, thermorelay and
Relay is connected with electromagnetic valve, and fluid pressure line is provided with air bleeding valve and sealing flange, and water tank upper is provided with gap, and bottom is provided with row
Water valve.
One the most according to claim 1 automatically controls pressure testing machine, it is characterised in that: described electric control system is at main electricity
It is provided with main-circuit protection fuse on three inlet wires in source, whole electrical system is carried out overload protection；At main circuit with give
It is provided with A.C. contactor and thermorelay between water pump mair motor, coordinates auxiliary reclay to realize the on off control of mair motor；
Electric control system controls being turned on and off of entering water electromagnetic valve according to the floating ball lever meter being arranged in water tank, it is achieved automatically mend
Water function.
One the most according to claim 1 automatically controls pressure testing machine, it is characterised in that: the ball float of floating ball lever meter is stainless
Steel material, there is a through hole at ball float center, and liquid level ruler is through the through hole of ball float.
One the most according to claim 1 automatically controls pressure testing machine, it is characterised in that: described cabinet uses totally-enclosed knot
Structure, described fluid pressure line and electrical apparatus control system are all at cabinet inside.
The most according to claim 1 or 5, one automatically controls pressure testing machine, it is characterised in that: the guidance panel of described cabinet
It is provided with on and off switch, digital display timer, power supply indicator, arrives pressure display lamp, pressurize then alarm, pressure release alarm, water
Button left by pump, water pump closes button, then ann reset button, pressure release ann reset button.
One the most according to claim 1 automatically controls pressure testing machine, it is characterised in that: on the upside of cabinet, it is provided with protection glass
Glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566449.3A CN105973714A (en) | 2016-07-18 | 2016-07-18 | Automatic control pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566449.3A CN105973714A (en) | 2016-07-18 | 2016-07-18 | Automatic control pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105973714A true CN105973714A (en) | 2016-09-28 |
Family
ID=56951862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610566449.3A Pending CN105973714A (en) | 2016-07-18 | 2016-07-18 | Automatic control pressure tester |
Country Status (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108120641A (en) * | 2018-02-09 | 2018-06-05 | 大秦铁路股份有限公司湖东车辆段 | A kind of goods train vehicle hand brake slide fastener pull test device |
| CN108444828A (en) * | 2018-03-23 | 2018-08-24 | 北京菁华昱创节能设备有限公司 | Intelligent electric pressure testing instrument |
| CN109030005A (en) * | 2018-08-02 | 2018-12-18 | 苏州沿泰汽车技术有限公司 | A kind of coolant liquid automatic adding device |
| CN109060630A (en) * | 2018-09-06 | 2018-12-21 | 三峡大学 | A kind of seepage inflow erosion pilot system and method |
| CN109459300A (en) * | 2018-12-19 | 2019-03-12 | 鲁西工业装备有限公司 | A kind of pressure container pressure resistance test automatic control system |
| CN109738276A (en) * | 2019-02-21 | 2019-05-10 | 洛阳双瑞金属复合材料有限公司 | A kind of backwash filter Withstand test device and test method |
| CN109991090A (en) * | 2017-12-31 | 2019-07-09 | 江苏开能华宇环保设备有限公司 | Multifunctional glass cylinder of steel pressure testing device |
| CN113021848A (en) * | 2021-03-12 | 2021-06-25 | 江苏新利达科技有限公司 | Stable fashioned automotive interior is with heating make-up machine |
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| CN109991090A (en) * | 2017-12-31 | 2019-07-09 | 江苏开能华宇环保设备有限公司 | Multifunctional glass cylinder of steel pressure testing device |
| CN108120641A (en) * | 2018-02-09 | 2018-06-05 | 大秦铁路股份有限公司湖东车辆段 | A kind of goods train vehicle hand brake slide fastener pull test device |
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| CN109030005A (en) * | 2018-08-02 | 2018-12-18 | 苏州沿泰汽车技术有限公司 | A kind of coolant liquid automatic adding device |
| CN109060630A (en) * | 2018-09-06 | 2018-12-21 | 三峡大学 | A kind of seepage inflow erosion pilot system and method |
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Application publication date: 20160928 |