CN208026560U - A kind of pilot system of detection valve housing intensity - Google Patents
A kind of pilot system of detection valve housing intensity Download PDFInfo
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- CN208026560U CN208026560U CN201721280449.3U CN201721280449U CN208026560U CN 208026560 U CN208026560 U CN 208026560U CN 201721280449 U CN201721280449 U CN 201721280449U CN 208026560 U CN208026560 U CN 208026560U
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- valve
- blind plate
- pilot system
- piston rod
- high pressure
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Abstract
The utility model discloses a kind of pilot systems of detection valve housing intensity, including：Testing stand and control control box.Testing stand is connected with control control box by pipeline；Testing stand includes chassis and two stations above chassis, placed side by side between station and there are spacing；Chassis is equipped with two rows of guide rails being placed in parallel, and is placed with lower blind plate between guide rail, valve to be measured is placed on lower blind plate；It controls and is equipped with high pressure water Shell test device and high pressure gas Shell test device in control box.The pilot system of the utility model has the function of assembly and valve detection simultaneously, the assembly of completion valve that can be time saving and energy saving and detection function.
Description
Technical field
The utility model is related to mechanical manufacturing field, more particularly to a kind of pilot system of detection valve housing intensity.
Background technology
Valve extensive use in each industrial field, is mainly used in the industries such as nuclear power, chemical industry, petrochemical industry.Usual valve
The assembly of left and right valve body manually fastens, but due to there are polytetrafluoroethylene (PTFE) adjusting pad (have compressibility) between two valve bodies,
Fastening is caused to take time and effort, the fastening strength process that reach needs is cumbersome, and the valve detection of usually domestic and international market is set
Standby mostly hand push button formula to be used to operate, operating process is complicated, and result is inaccurate.
Utility model content
The purpose of this utility model is to provide a kind of pilot system of detection valve housing intensity, is pacified with solving current valve
The problem that dress process is cumbersome, result is inaccurate.
In the present invention, the utility model provides a kind of pilot system of detection valve housing intensity, including：Examination
Platform and control control box are tested, the testing stand is connected with control control box by pipeline；
The testing stand includes chassis and two stations above chassis, it is placed side by side between the station and there are
Spacing；
The chassis is equipped with two rows of guide rails being placed in parallel, and lower blind plate, the lower blind plate are placed between the guide rail
On be placed with valve to be measured；
High pressure water Shell test device and high pressure gas Shell test device are equipped in the control control box；
The high pressure water Shell test device includes：Water pump, check valve, total inlet valve, lower inlet valve, gas control air bleeding valve,
Reversal valve and gas-liquid booster pump；And
The high pressure gas Shell test device includes：High pressure admission valve, lower inlet valve and lower relief valve.
In another preferred example, the lower inlet valve connects the lower blind plate by pipeline.
In another preferred example, described two stations are respectively detection station and assembly station；
The station includes：Scratch diskette, column, upper beam, on take blame for others, upper blind plate；
The scratch diskette is welded in the chassis upper end, and the column is located on the scratch diskette and tight by lower nut
Gu；
The upper beam is located at the top of the column, and fixation is tightened by top nut；
Cylinder barrel position is taken blame for others on described across the upper beam central hole location and is bolted cylinder flange in described
Upper beam bottom；
Cylinder piston rod is equipped in taking blame for others on described, the cylinder piston rod passes through the upper beam central hole location；With
And
The upper blind plate is located at the top of the cylinder piston rod and is connected to the cylinder piston rod.
In another preferred example, the station further includes piston rod backing plate, and the piston rod backing plate is located at oil cylinder work
At the top of stopper rod；And
The upper blind plate is located at piston rod backing plate lower end and is fixed by soket head cap screw, the upper blind plate and the work
Stopper rod backing plate coaxial line.
In another preferred example, the detection station further includes valve switch oil cylinder；
The valve to be measured is equipped with valve rod spanner；And
Valve rod spanner one end is placed in the valve top part to be measured, and the other end is fastened by bolts in the valve switch
Oil cylinder.
In another preferred example, the guide rail is fixed on by soket head cap screw on the scratch diskette.
In another preferred example, it is equipped with lower bolster below the lower blind plate, and is fixed by soket head cap screw.
In another preferred example, the testing stand lower end is equipped with pulley, and the pulley is fixed on the chassis.
In another preferred example, the high pressure water Shell test device further includes：Float switch, sub-assembly, upper inlet valve,
Intake valve and water tank；And
The lower inlet valve connects the lower blind plate by pipeline.
In another preferred example, it is additionally provided with the equipment of valve pressure testing in the control control box.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, to form a new or preferred technical solution.It is limited to
Length, this is no longer going to repeat them.
Description of the drawings
Fig. 1 is the side view of testing stand in one embodiment of the utility model.
Fig. 2 is the side view that control box is controlled in one embodiment of the utility model.
Fig. 3 is the structural schematic diagram of pilot system in one embodiment of the utility model.
Fig. 4 is hydraulic circuit figure in one embodiment of the utility model.
Fig. 5 is aqueous vapor piping diagram in one embodiment of the utility model.
Specific implementation mode
The present inventor after extensive and in-depth study, develops a kind of experiment system of detection valve housing intensity for the first time
The testing stand of system, the system includes two stations, and a station can realize the advance pressure of the adjusting washer between two valve body of valve
Contracting, facilitates tightening for fastening bolt, time saving and energy saving；Another station can carry out Shell test, high pressure sealing, low pressure seal to valve
Etc. the detections of pilot projects complete the utility model on this basis.
The major advantage of the utility model includes：
(a) the utility model testing stand has the function of assembly and valve detection simultaneously, completion valve that can be time saving and energy saving
Assembly and detection function.
(b) the utility model can not only realize full-automatic detection experiment, but also changeable manual operation, and pole is provided for client
Big convenient, the troublesome operation of omission saves the plenty of time.
(c) the utility model is equipped with valve rod switch oil cylinder and the cooperation of valve rod spanner can be achieved to try valve seal
The switching with valve pass, open state when Shell test is tested, does not tighten or loosen switch by hand.
(d) the utility model is equipped with water droplet detection device and bubble detection device according to valves test standard, can be real
Calibration now how many to leakage rate, visual pattern, without observing pressure gauge again, measure it is accurate, for specific leakage rate number carry
Foundation is supplied.
(e) the utility model controlling oil pressure total force and hydraulic pressure total force are according to the ratio of setting, synchronzed press
With synchronous pressure release so that " net pressure " acted on valve controls in the range of a very little, avoids valve by excessive
Extruding force, substantially increase the reliability of testing result.
(f) system automatic deloading when the utility model may be implemented in standby, system is resumed work state automatically when use, is had
Effect reduces oil temperature, extends service life of equipment, energy-saving.
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In the following examples, the experimental methods for specific conditions are not specified, leads to
Often according to normal condition, or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are weight
Percentage and parts by weight.
It should be noted that in the claim and specification of this patent, such as first and second or the like relationship
Term is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying
There are any actual relationship or orders between these entities or operation.Moreover, the terms "include", "comprise" or its
Any other variant is intended to non-exclusive inclusion so that including the processes of a series of elements, method, article or
Equipment includes not only those elements, but also includes other elements that are not explicitly listed, or further include for this process,
Method, article or the intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence " including one " limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
Embodiment 1
As depicted in figs. 1 and 2, pulley 18 is located at the lower end of equipment, is fixed on chassis 17, can with position of mobile equipment,
Scratch diskette 9 is welded in 17 upper end of chassis, and column 5 is located on scratch diskette, is fastened by lower nut 10, and guide rail 8 is located at scratch diskette 9
On, two guide rails are arranged symmetrically, and are fixed by soket head cap screw, are limited lower blind plate 6 and are linearly moved, 6 bottom end band of lower blind plate
There is universal bearing that can prolong guide rail direction to move back and forth, lower bolster 15 is located at lower blind plate 6 in the following, being fixed by soket head cap screw, to be measured
Valve 22 is located at 6 top of lower blind plate, and valve flanges internal diameter to be measured can be placed on lower blind plate boss position, ensure that two element coaxial lines
Positioning, upper beam 2 are located at 5 top of column, fixation are tightened by top nut 1, and 11 cylinder barrel positions of above taking blame for others pass through 2 centre bore of upper beam
Position is bolted cylinder flange in 2 bottom of upper beam, and piston rod backing plate 12 is located at the top of cylinder piston rod, with piston rod
Movement and move, upper blind plate 13 is located at piston rod backing plate 12 to be fixed by soket head cap screw below, upper blind plate 13 and piston rod pad
12 coaxial line of plate.Valve rod spanner 7 is placed in valve top part to be measured, and end valve rod spanner hollow position leans on spiral shell by valve switch oil cylinder 21
Bolt fastens, and control control box 19 is located at testing stand side, and bottom is moved by pulley support.
As shown in figure 3, this testing stand includes two parts, the left side is detection station 20, and the right is assembly station 23.Right working position
The fastening of bolt between left valve barrel and right valve barrel in side valve door 22 can be treated, left station can treat side valve door 22 and carry out valve housing
Experiment and valve seal experiment and the open and close of valve.
The operation principle of the present embodiment is as follows：
Valve assemble flow：
Valve 22 is placed in 6 upper end of lower blind plate first, valve bottom end flange internal holes coordinate with lower blind plate boss, blind under
Plate moves to assembly station 23, and center line is almost aligned with upper cylinder center line.Then start motor 46, hydraulic oil is through filter
48, hydraulic pump 47 arrives reversal valve 59, and hydraulic control one-way valve 55 reaches and assembles 53 rodless cavities of taking blame for others, and upper blind plate 13 is with oil cylinder piston
The movement of bar and clamp valve 22 to be measured, and then the adjusting pad between valve left valve barrel and right valve barrel be compressed to it is predetermined
Value, industrial computer 14 can prevent valve clip bad, then according to oil pressure in the size automatic lifting or reduction oil cylinder that pressing force needs
Bolt between two valve bodies carries out tightening fastening.
Valves test flow：Including valve housing experiment and leakage test.
Valve housing is tested：Including high pressure gas Shell test and high pressure water Shell test.
As shown in figure 4, oil circuit motion flow：
Similarly, valve rod spanner 7 is inserted in valve rod end first, spanner tail portion is directed at valve switch oil cylinder 21 and lives
The threaded hole of stopper rod, is bolted.Overflow valve 67 is initially set to 4.0-5.0MPa, and after starting motor 46, hydraulic oil passes through
Filter 48, hydraulic pump 47, reversal valve 60, hydraulic control one-way valve 56 reach pressure testing oil cylinder 54, and upper blind plate 13 follows the stretching of piston rod
And pre-pressing valve 22, the torque that computer needs to open according to valve, it needs to select pressure reducing valve 69,70,71 or 72, it is each to depressurize
The pressure rating of valve setting is different, and automatically selecting reversal valve 63,64,65,66, one of them is opened, and then hydraulic oil flows through
Pressure reducing valve, by reversal valve 74, into valve switch oil cylinder 21, cylinder piston rod band ovable valve stem spanner 7 rotates, to make valve
In partially open state.When the pressure rating that Shell test or leakage test need is relatively high, need to the oil in oil cylinder
Liquid is pressurized, and client need to be connected to compressed gas tube air source 76, and compressed gas reaches gas-liquid pressure-boosting through three linked piece 75, reversal valve 73
Pump 68, gas-liquid booster pump enters working condition, and hydraulic oil is extracted from fuel tank and enters reversal valve 61 or 62, when reversal valve 61 is beaten
When opening, fluid enters pressure testing oil cylinder 54 through check valve 57, is pressurized to fluid, when being pressurized to setting value, excess pressure
Fluid can flow back to fuel tank through overflow valve 67, cooling fan 44 and counterbalance valve 43.In the process that pressure testing oil cylinder 54 is pressurized or depressurizes
In, it is the ratio according to liquid in valve or gas boost or decompression according to setting, synchronzed press or synchronous release, synchronous release
Shi Shoudong opens rotary switch valve 50, then must be electric by solenoid valve 51, at this point, compressed gas makes Pneumatic valve by solenoid valve 51
52 by normally closed to open state.Computer automatically controls solenoid valve 51 and is powered or powers off, to release and pressurize.
As shown in figure 5, water route and gas circuit motion flow：
High pressure water Shell test flow：
Water pump 24 is opened, water opens total inlet valve 26, lower water inlet (gas) valve 38 is blind under by water pump 24, check valve 25
Plate 6 flows into 22 internal cavity of valve, and valve be in open state at this time, and internal gas and rises, opening due to the effect of water
Gas control air bleeding valve 29, original gas is through air bleeding valve to float switch 30 in valve, and until valve internal gas drains, water can be after
Continuous discharge, when water is discharged it is a certain amount of when float switch 30 in floating ball can rise to certain altitude, at this point, float switch can provide
Signal, computer can automatically control the closing of gas control air bleeding valve 29, at this point, hydraulic pressure is smaller, need to be pressurized valve internal water, electricity
Brain automatically opens reversal valve 41, the combined part 40 of compressed gas, and reversal valve 41 reaches gas-liquid booster pump 42, makes liquid in valve
Pressure rises, and when pressure reaches scheduled pressure value, reversal valve 41 is closed, and equipment enters packing state, terminates when the dwell time
When, system automatically opens lower relief valve 36, upper water inlet (gas) valve 27, intake valve 39, and the compressed gas in air source can pass through air inlet
Valve 39, upper water inlet (gas) valve 27, into valve top part, compressed gas can promote water to be flowed down through lower relief valve 36, into water
Case.
High pressure gas Shell test flow：
System automatically opens high pressure admission valve 37, lower water inlet (gas) valve 38, and high pressure gas enters valve 22 to be measured, works as valve
When interior pressure reaches predetermined pressure, high pressure admission valve 37 is automatically closed in system, and system enters packing state, terminates when the dwell time
When, lower relief valve 36 automatically opens, and gas is automatically drained out in valve.
High-pressure water seal is tested：
High pressure water Back seal test：
It is similar with high pressure water Shell test flow, from water pump 24 is opened, until gas control air bleeding valve 29 drains air, float switch
30 provide signal, and gas control air bleeding valve 29 is closed, and then system control valve door switch oil cylinder 21 is rotated with ovable valve stem spanner 7, to
Close valve.System automatically turns on booster pump 42 and pressurizes to liquid in valve, and when reaching setting pressure, booster pump is automatic
Stop.System automatically opens water droplet leak detector valve 31, when valve interior sealing is revealed, water droplet can by upper water droplet leak detector valve, into
Enter in water droplet counter 4, water droplet counter can calculate total water droplet number automatically, and then computer is let out according to how much comparisons of leakage rate
Whether the sealing of leakage quantity standard automatic decision is qualified.
Leakage test under high pressure water：
After finishing Back seal test, and then system opens lower relief valve 36, and the high pressure of valve lower part can be let out to big
Atmospheric pressure, (gas) valve 27 of intaking in opening, system toward the water filling of valve top, work automatically according to the requirement booster pump 42 of client
Valve upper water is pressurized to corresponding pressure, then system enters packing state.Lower water droplet leak detector valve 35 automatically opens, and works as valve
When door inner sealing face leaks, water droplet can enter in water droplet counter 4, and computer counts automatically.Then computer is according to leakage
Whether how much comparison leakage rate standard automatic decisions sealing of amount is qualified.
Low pressure gas Back seal test：
System control valve door switch oil cylinder 21 is rotated with ovable valve stem spanner 7 first, closes valve switch, and system opens air inlet
Valve 39, upper water inlet (gas) valve 27, compressed gas enter valve top sky.Then system opens bubble leak detector valve 34, works as sealing
When leakage, bubble counter 3 can record leakage rate number, the leakage rate parameter and standard in automatic comparative information library, so from
It is dynamic to judge whether sealing is qualified.
Leakage test under low pressure gas：
Similar with low pressure gas Back seal test principle, system is pressed from valve switch is closed to lower (gas) valve 38 of intaking is opened
Contracting gas enters valve lower space, and system opens upper leak detection by bubbles valve 32, and when seal leakage, bubble counter 3 can record
Leakage rate number, the leakage rate parameter and standard in automatic comparative information library, and then whether automatic decision sealing qualified.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as reference.In addition, it should also be understood that, after having read the above-mentioned instruction content of the utility model, this field skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (9)
1. a kind of pilot system of detection valve housing intensity, which is characterized in that including：Testing stand and control control box, it is described
Testing stand is connected with control control box by pipeline；
The testing stand includes chassis and two stations above chassis, it is placed side by side between the station and there are
Away from；
The chassis is equipped with two rows of guide rails being placed in parallel, and is placed with lower blind plate between the guide rail, is put on the lower blind plate
It is equipped with valve to be measured；
High pressure water Shell test device and high pressure gas Shell test device are equipped in the control control box；
The high pressure water Shell test device includes：Water pump, check valve, total inlet valve, lower inlet valve, gas control air bleeding valve, commutation
Valve and gas-liquid booster pump；And
The high pressure gas Shell test device includes：High pressure admission valve, lower inlet valve and lower relief valve；
The testing stand includes two parts, and the left side is detection station, and the right is assembly station, and the assembly station is to described to be measured
Bolt fastens between left valve barrel and right valve barrel in valve, the detection station to the valve to be measured carry out valve housing experiment with
Valve seal is tested and the open and close of valve.
2. pilot system according to claim 1, which is characterized in that the lower inlet valve by pipeline connect it is described under it is blind
Plate.
3. pilot system according to claim 1, which is characterized in that described two stations are respectively detection station and assembly
Station；
The station includes：Scratch diskette, column, upper beam, on take blame for others, upper blind plate；
The scratch diskette is welded in the chassis upper end, and the column is located on the scratch diskette and is fastened by lower nut；
The upper beam is located at the top of the column, and fixation is tightened by top nut；
Cylinder barrel position is taken blame for others on described across the upper beam central hole location and is bolted cylinder flange in the upper cross
Beam bottom portion；
Cylinder piston rod is equipped in taking blame for others on described, the cylinder piston rod passes through the upper beam central hole location；And
The upper blind plate is located at the top of the cylinder piston rod and is connected to the cylinder piston rod.
4. pilot system according to claim 3, which is characterized in that the station further includes piston rod backing plate, the work
Stopper rod backing plate is located at the top of the cylinder piston rod；And
The upper blind plate is located at piston rod backing plate lower end and is fixed by soket head cap screw, the upper blind plate and the piston rod
Backing plate coaxial line.
5. pilot system according to claim 3, which is characterized in that the detection station further includes valve switch oil cylinder；
The valve to be measured is equipped with valve rod spanner；And
Valve rod spanner one end is placed in the valve top part to be measured, and the other end is fastened by bolts in valve switch oil
Cylinder.
6. pilot system according to claim 3, which is characterized in that the guide rail is fixed on described by soket head cap screw
On scratch diskette.
7. pilot system according to claim 1, which is characterized in that be equipped with lower bolster below the lower blind plate, and by interior
Hex screw is fixed.
8. pilot system according to claim 1, which is characterized in that the testing stand lower end is equipped with pulley, and the cunning
Wheel is fixed on the chassis.
9. pilot system according to claim 1, which is characterized in that the high pressure water Shell test device further includes：It is floating
Ball switch, sub-assembly, upper inlet valve, intake valve and water tank；And
The lower inlet valve connects the lower blind plate by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280449.3U CN208026560U (en) | 2017-09-30 | 2017-09-30 | A kind of pilot system of detection valve housing intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280449.3U CN208026560U (en) | 2017-09-30 | 2017-09-30 | A kind of pilot system of detection valve housing intensity |
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| Publication Number | Publication Date |
|---|---|
| CN208026560U true CN208026560U (en) | 2018-10-30 |
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ID=63897558
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721280449.3U Active CN208026560U (en) | 2017-09-30 | 2017-09-30 | A kind of pilot system of detection valve housing intensity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556874A (en) * | 2018-11-28 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine pressurized strut traffic intensity experimental rig |
-
2017
- 2017-09-30 CN CN201721280449.3U patent/CN208026560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556874A (en) * | 2018-11-28 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine pressurized strut traffic intensity experimental rig |
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