CN202602132U - Pressure storage cylinder nitrogen precharge pressure check and charging tool - Google Patents
Pressure storage cylinder nitrogen precharge pressure check and charging tool Download PDFInfo
- Publication number
- CN202602132U CN202602132U CN2012201891531U CN201220189153U CN202602132U CN 202602132 U CN202602132 U CN 202602132U CN 2012201891531 U CN2012201891531 U CN 2012201891531U CN 201220189153 U CN201220189153 U CN 201220189153U CN 202602132 U CN202602132 U CN 202602132U
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- nitrogen
- valve
- pressure
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- screw
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 232
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 116
- 238000003860 storage Methods 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a pressure storage cylinder nitrogen precharge pressure check and charging tool, which comprises a nitrogen charging valve opening device, a conical valve and a pressure gauge. The nitrogen charging valve opening device is respectively connected with the conical valve and the pressure gauge through connection joints. The nitrogen charging valve opening device is arranged on a nitrogen charging valve of the pressure storage cylinder, the conical valve is closed, a handwheel of the nitrogen charging valve opening device is rotated, the valve core is driven to move linearly through pushing a screw, the nitrogen charging valve is opened and the nitrogen precharge pressure of the pressure storage cylinder is checked by the precision pressure gauge. When the nitrogen is charged, the connection joint on the other side of the conical valve is connected with a nitrogen charging device through a pipeline, the conical valve is opened and the nitrogen precharge pressure is adjusted by charging or releasing nitrogen. The tool is simple in structure, low in production cost and convenient in carrying and use; and with the tool, the nitrogen precharge pressure of the pressure storage cylinder can be directly checked and adjusted, thereby improving the work efficiency.
Description
Technical field
The utility model relates to electric power system high-voltage breaker operation mechanism maintenance tool, specifically a kind of when being used to keep in repair hydraulic actuating mechanism storage pressure cylinder the inspection of storage pressure cylinder nitrogen preliminary filling pressure and fill instrument.
Background technology
Normal pressurized type hydraulic actuating mechanism is used for actuating 110kV, 220kV primary cut-out, extensive use in electric power system.Its all parts all are contained in the mechanism case of a sealing, have separate unit of one's own.Mounting means is a console mode.It mainly partly is made up of mechanism case, fuel tank and valve assembling, energy storage assembling, oil pump, working cylinder assembling and electric remittance control plate etc.The energy storage assembling is made up of nitrogen fill valve, upper end cap, storage pressure cylinder, piston, piston rod, seal washer, lower endcaps.Energy storage prefilled high pure nitrogen in the storage pressure cylinder carries out later on.The energy storage process is: energized, press zero-pressure start button QA, and the Oil pump electrical machinery entry into service, the oil in the fuel tank gets into oil pump through filter, after the fuel feed pump plunger compression, delivers to the bottom of storage pressure cylinder, and promote piston and rise, compressed nitrogen, oil pressure raises gradually.When piston rod rose to oil pump and stops travel switch 1W, electric motor loop was cut off in the travel switch action, and hydraulic oil promptly is stored in the storage pressure cylinder.The high pure nitrogen of its storage pressure cylinder piston top prefilled after the hydraulic actuating mechanism pressure release, charges into and emits through the nitrogen fill valve that is installed on upper end cap.
Maintenance procedure regulation, regularly (5～6 years) to the hydraulic actuating mechanism overhaul of disintegrating, fill nitrogen after the energy storage assembling assembling and be in the disintegration overhaul must work.Owing to lack specific purpose tool; Nitrogen fill valve is opened by nitrogen pressure when filling nitrogen, through the inspection of the Pressure gauge on nitrogen charging equipment nitrogen preliminary filling pressure, can't directly check nitrogen preliminary filling pressure in the storage pressure cylinder; Cause the on-the-spot back defective phenomenon of storage pressure cylinder nitrogen pressure of installing to happen occasionally; Not only cause do over again, cost of idleness, and incur loss through delay the breaker mechanic property debugging, cause and send electricity to delay.
In view of this, to the problems referred to above, propose a kind of reasonable in design and effectively improve the storage pressure cylinder nitrogen preliminary filling pressure inspection of above-mentioned disappearance and fill instrument.
Summary of the invention
The purpose of the utility model is to provide the preliminary filling pressure inspection of storage pressure cylinder nitrogen and fills instrument, has solved and has stored up the problem that pressure cylinder nitrogen preliminary filling pressure inspection adjustment does not have specific purpose tool for many years.With inspection nitrogen preliminary filling pressure specific purpose tool is provided for the storage pressure cylinder fills nitrogen, handled easily is simplified working process, and increases work efficiency.
In order to reach above-mentioned purpose; The utility model adopts following technical scheme: instrument is checked and filled to storage pressure cylinder nitrogen preliminary filling pressure; Comprise nitrogen fill valve opening device, cone valve, Pressure gauge, said nitrogen fill valve opening device interconnects through connector and cone valve, Pressure gauge respectively.
Said nitrogen fill valve opening device comprises the spool of valve body, valve inner, and said spool upper end connects augering screw through attachment screw, and the augering screw upper end is provided with handwheel; Said spool lower end is provided with push rod.
Said valve body is provided with the stop screw that is used to guarantee augering screw and valve body screw pair screwing length; Be provided with sealing ring between said spool and the valve body, said spool lower outside is provided with sealing ring.
There is gathering sill said spool side, and valve inner is provided with guide ledges, and said guide ledges is engaged in and guarantees the spool rectilinear motion in the gathering sill.
Said spool is trapezoidal cylindrical shape, and there is tapped blind hole the upper surface, is used to install stop screw, and there is groove shape structure spool lower cylindrical both sides, as channel of nitrogen; Blind hole is arranged at the spool bottom, is used to install push rod; Said valve body is the stairstepping cylindrical shape; Said augering screw is the hollow cylinder shape.
Said cone valve comprises the needle of valve body, valve inner; Said needle upper end is provided with handwheel.
Said valve body is provided with the stop screw that is used to guarantee needle and valve body screw pair screwing length; Be provided with sealing ring between said needle and the valve body.
Said needle is that cylindrical shape and middle part have screw thread, and this screw thread and valve body internal thread form screw pair, and seal groove is arranged at the needle bottom, and the needle bottom be conical and contacts with valve body ladder axis hole bottom circular aperture formation potted line.
Said valve body is a cylinder form, and there is tapped blind hole the upper end, is used to install stop screw, and there is the ladder axis hole at the middle part, and internal thread is arranged at ladder axis hole top, and the bottom is an axis hole; There is screwed hole valve cylinder-shaped shape both sides, are connected with connector.
Said Pressure gauge is connected through seamless steel pipe on the connector of nitrogen fill valve opening device, and said Pressure gauge links to each other through the Pressure gauge connector with seamless steel pipe, and compresses through pressure cap; Seamless steel pipe also compresses through pressure cap when the connector with the nitrogen fill valve opening device is connected.
Compared to prior art, the utility model simple structure, low cost of manufacture is carried with easy to use, and storage pressure cylinder nitrogen preliminary filling pressure MEASURING QUASI is really directly perceived, and nitrogen fills with easy to adjust, and it is few that nitrogen fill valve is opened number of times, improved operating efficiency.Solved and stored up the problem that pressure cylinder nitrogen preliminary filling pressure inspection adjustment does not have specific purpose tool for many years.
The nitrogen fill valve opening device is installed on the storage pressure cylinder nitrogen fill valve through screw thread, closes cone valve, rotate nitrogen fill valve opening device handwheel, drive the spool rectilinear motion through augering screw and open nitrogen fill valve, precision pressure table look-up storage pressure cylinder nitrogen preliminary filling pressure.When filling nitrogen, cone valve opposite side connector links to each other with nitrogen charging equipment through pipeline, opens cone valve, charges into or emit nitrogen adjustment nitrogen preliminary filling pressure.The simple structure of this instrument, low cost of manufacture is carried with easy to use, can directly detect and adjust storage pressure cylinder nitrogen preliminary filling pressure, increases work efficiency.
Description of drawings
Fig. 1 checks and fills the structural representation of instrument for the utility model storage pressure cylinder nitrogen preliminary filling pressure;
Fig. 2 is the application state sketch map of the utility model.
Among the figure: 1, handwheel; 2, augering screw; 3, attachment screw; 4, valve body; 5, spool; 6, sealing ring; 7, push rod; 8, sealing ring; 9, stop screw; 10, connector; 11, connector; 12, handwheel; 13, stop screw; 14, valve body; 15, needle; 16, sealing ring; 17, connector; 18, steel pipe; 19, pressure cap; 20, pressure cap; 21, Pressure gauge connector; 22, Pressure gauge.
Embodiment
Detailed description of relevant the utility model and technology contents, conjunction with figs. are explained as follows, yet accompanying drawing only provides the usefulness of reference with explanation, are not to be used for the utility model is limited.
According to shown in Figure 1, storage pressure cylinder nitrogen preliminary filling pressure is checked and is filled instrument, comprises nitrogen fill valve opening device, cone valve and precision pressure gauge composition.The nitrogen fill valve opening device is made up of handwheel 1, augering screw 2, attachment screw 3, valve body 4, spool 5,0 grommet type seal circle 6,8, push rod 7, stop screw 9, connector 10,11.Spool 5 sides have gathering sill to match with valve body 4 inner orientation boss; Keep spool 5 rectilinear motions; Spool 5 seals through O RunddichtringO 6 with valve body 4, and push rod 7 is equipped with in spool 5 ends, and stop screw 9 is used to guarantee augering screw 2 and valve body 4 screw pair screwing lengths.Nitrogen fill valve opening device valve body is the stairstepping cylindrical shape, in the upper surface tapped blind hole is arranged, and there is ladder hole inside; There is internal thread the ladder hole upper end; The middle part axis hole has guide ledges, and the lower cylindrical body has seal groove and external screw thread, and there is the screwed hole of symmetry both sides, last cylinder bottom.Augering screw is the hollow cylinder shape, and the bottom has external screw thread and valve body internal thread to form screw pair.Augering screw links to each other through attachment screw with spool.Spool is trapezoidal cylindrical shape, and there is tapped blind hole the upper surface, is used to install stop screw, and the top cylindrical side has seal groove, and seal groove bottom gathering sill cooperates with nitrogen fill valve opening device valve inner guide ledges.There is groove shape structure the lower cylindrical both sides, as channel of nitrogen.Blind hole is arranged at the bottom, is used to install push rod.
Cone valve is made up of handwheel 12, stop screw 13, valve body 14, needle 15, O grommet type seal circle 16, connector 17; Through 16 sealings of O RunddichtringO; Cone valve valve body both sides are designed with screwed hole; Be used to install connector 10,17, stop screw 13 is used to guarantee needle 15 and valve body 14 screw pair screwing lengths.Nitrogen fill valve opening device valve body 4, cone valve valve body 14 connect through connector 10.The cone valve valve body is a cylinder form, and there is tapped blind hole the upper end, is used to install stop screw, and there is the ladder axis hole at the middle part, and internal thread is arranged at ladder axis hole top, and the bottom is an axis hole.There is screwed hole the cylindrical shape both sides, are connected with connector.The cone valve needle is a cylindrical shape, and the middle part has screw thread and valve body internal thread to form screw pair, and seal groove is arranged at the bottom, and the bottom is conical and valve body ladder axis hole bottom circular aperture forms potted line.
The concrete operation instruction of this instrument is following:
Referring to Fig. 2, earlier with the hydraulic actuating mechanism pressure release, be installed in preliminary filling pressure inspection of storage pressure cylinder nitrogen and the instrument of filling on the storage pressure cylinder top nitrogen fill valve seat A during check measurement storage pressure cylinder nitrogen pressure; Nitrogen fill valve opening device valve seat 4 lower thread match with nitrogen fill valve seat A internal thread, and the two closes cone valve through 8 sealings of 0 RunddichtringO; Rotate handwheel 1 and drive augering screw 2 rotations; Produce propulsive force, spool 5 straight line under the gathering sill effect moves downward, and spool 5 end push rods 7 drive the nitrogen fill valve seal gasket and carriage B compression reseting spring C moves downward; Open nitrogen fill valve; Nitrogen is overflowed through the gap of nitrogen fill valve seat A and push rod 7, gets into precision pressure gauges 22 through the channel of nitrogen of spool 5 and valve seat 4, connector 11, Ф 6 ㎜ steel pipes 18, pressure tapping 21, directly measures and stores up the interior nitrogen preliminary filling pressure of pressure cylinder.
When being higher than the specification standard like nitrogen preliminary filling pressure, rotate handwheel 12, drive needle 15 rotations, open cone valve, emit part nitrogen, close cone valve then, remeasure nitrogen preliminary filling pressure, the explanation book label is accurate until meeting.
When being lower than the specification standard like nitrogen preliminary filling pressure; The nitrogen charging equipment pipeline is linked to each other with connector 17, rotate handwheel 12 and open cone valve, nitrogen gets into the storage pressure cylinder through nitrogen fill valve opening device and nitrogen fill valve A; Measure nitrogen preliminary filling pressure through precision pressure gauge, the explanation book label is accurate until meeting.
After the bright book label of the storage pressure cylinder nitrogen preliminary filling pressure doctrine of correspondence is accurate, rotate handwheel 1, drive upwards rectilinear motion of spools 5 and push rod 7 through augering screw 2, attachment screw 3, nitrogen fill valve seal gasket and carriage B reset under back-moving spring C effect, close nitrogen fill valve.Rotate handwheel 12 at last and open cone valve, emit residual high pressure nitrogen in the instrument, unload the preliminary filling pressure inspection of storage pressure cylinder nitrogen and fill instrument, end-of-job is checked and filled to storage pressure cylinder nitrogen preliminary filling pressure.
Storage pressure cylinder nitrogen preliminary filling pressure is checked and filled to this instrument of utilization, and measurement result is accurate and visual, has improved operating efficiency, eliminates in the storage pressure cylinder maintenance process, because the undesirable phenomenon of doing over again that causes of nitrogen preliminary filling pressure.
The above is merely the preferred embodiment of the utility model, and non-in order to limit the claim of the utility model, the equivalence of the patent spirit of other utilization the utility model changes, and all should all belong to the claim of the utility model.
Claims (10)
1. storage pressure cylinder nitrogen preliminary filling pressure is checked and is filled instrument, it is characterized in that comprise nitrogen fill valve opening device, cone valve, Pressure gauge, said nitrogen fill valve opening device interconnects through connector and cone valve, Pressure gauge respectively.
2. instrument is checked and filled to storage pressure cylinder nitrogen preliminary filling pressure according to claim 1; It is characterized in that; Said nitrogen fill valve opening device comprises the spool of valve body, valve inner, and said spool upper end connects augering screw through attachment screw, and the augering screw upper end is provided with handwheel; Said spool lower end is provided with push rod.
3. storage pressure cylinder nitrogen preliminary filling pressure according to claim 2 is checked and is filled instrument, it is characterized in that said valve body is provided with the stop screw that is used to guarantee augering screw and valve body screw pair screwing length; Be provided with sealing ring between said spool and the valve body, said spool lower outside is provided with sealing ring.
4. storage pressure cylinder nitrogen preliminary filling pressure according to claim 2 inspection and fill instrument is characterized in that there is gathering sill said spool side, and valve inner is provided with guide ledges, and said guide ledges is engaged in and guarantees the spool rectilinear motion in the gathering sill.
5. storage pressure cylinder nitrogen preliminary filling pressure according to claim 2 is checked and is filled instrument, it is characterized in that said spool is trapezoidal cylindrical shape; There is tapped blind hole the upper surface; Be used to install stop screw, there is groove shape structure spool lower cylindrical both sides, as channel of nitrogen; Blind hole is arranged at the spool bottom, is used to install push rod; Said valve body is the stairstepping cylindrical shape; Said augering screw is the hollow cylinder shape.
6. storage pressure cylinder nitrogen preliminary filling pressure according to claim 1 is checked and is filled instrument, it is characterized in that said cone valve comprises the needle of valve body, valve inner; Said needle upper end is provided with handwheel.
7. storage pressure cylinder nitrogen preliminary filling pressure according to claim 6 is checked and is filled instrument, it is characterized in that said valve body is provided with the stop screw that is used to guarantee needle and valve body screw pair screwing length; Be provided with sealing ring between said needle and the valve body.
8. instrument is checked and filled to storage pressure cylinder nitrogen preliminary filling pressure according to claim 6; It is characterized in that; Said needle is that cylindrical shape and middle part have screw thread; This screw thread and valve body internal thread form screw pair, and seal groove is arranged at the needle bottom, and the needle bottom be conical and contacts with valve body ladder axis hole bottom circular aperture formation potted line.
9. storage pressure cylinder nitrogen preliminary filling pressure according to claim 6 is checked and is filled instrument, it is characterized in that said valve body is a cylinder form; There is tapped blind hole the upper end, is used to install stop screw, and there is the ladder axis hole at the middle part; Internal thread is arranged at ladder axis hole top, and the bottom is an axis hole; There is screwed hole valve cylinder-shaped shape both sides, are connected with connector.
10. instrument is checked and filled to storage pressure cylinder nitrogen preliminary filling pressure according to claim 1; It is characterized in that; Said Pressure gauge is connected through seamless steel pipe on the connector of nitrogen fill valve opening device, and said Pressure gauge links to each other through the Pressure gauge connector with seamless steel pipe, and compresses through pressure cap; Seamless steel pipe also compresses through pressure cap when the connector with the nitrogen fill valve opening device is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201891531U CN202602132U (en) | 2012-04-28 | 2012-04-28 | Pressure storage cylinder nitrogen precharge pressure check and charging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201891531U CN202602132U (en) | 2012-04-28 | 2012-04-28 | Pressure storage cylinder nitrogen precharge pressure check and charging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202602132U true CN202602132U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201891531U Expired - Fee Related CN202602132U (en) | 2012-04-28 | 2012-04-28 | Pressure storage cylinder nitrogen precharge pressure check and charging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202602132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578802A (en) * | 2018-11-09 | 2019-04-05 | 天津航空机电有限公司 | A kind of working media filling device and method for small cavity |
-
2012
- 2012-04-28 CN CN2012201891531U patent/CN202602132U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578802A (en) * | 2018-11-09 | 2019-04-05 | 天津航空机电有限公司 | A kind of working media filling device and method for small cavity |
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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: 20121212 Termination date: 20140428 |