CN104458099B - The executing agency of piston gage increase and decrease specific weight and method - Google Patents
The executing agency of piston gage increase and decrease specific weight and method Download PDFInfo
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- CN104458099B CN104458099B CN201410763253.4A CN201410763253A CN104458099B CN 104458099 B CN104458099 B CN 104458099B CN 201410763253 A CN201410763253 A CN 201410763253A CN 104458099 B CN104458099 B CN 104458099B
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- specific weight
- lifting platform
- turriform
- bearing tube
- piston
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Abstract
The invention discloses a kind of method that piston gage executing agency increases and decreases counterweight；The structure of piston gage executing agency is mainly made up of lifting platform, specific weight group and turriform bearing tube, and wherein lifting platform Relative distribution is mutually not connected in turriform bearing tube both sides；By adjusting the height of lifting platform, the step of turriform bearing tube is placed or be moved away to the specific weight group for being placed on lifting platform top, completes the loading and unloading to specific weight group；Every piece of specific weight loading once all corrects an axiality with the turriform bearing tube on piston component, axiality between specific weight and turriform bearing tube will not form accumulated error because of repeated loading, so as to the gross error for causing to complete to be performed action.When changing piston, during by lifting platform specific weight picking-up by load-bearing sleeve and above to the position higher than piston component, it is possible to piston component is very easily dismounted, without dismantling lifting platform.
Description
Technical field
The invention belongs to field of measuring techniques, a kind of method for being related to piston gage executing agency to increase and decrease counterweight.
Background technology
Piston gage, is the pressure for utilizing the power acted on piston to be made with the principle that Weight gravity balances each other
Meter.It is a kind of high accuracy, repdocutbility high and the high-reliability produced based on Pascal's law and hydrostatic equilibrium principle
Normal pressure metrical instrument, with metering performance stabilization, simple structure is easy to use and the advantages of be hardly damaged.
The fully automatic piston type pressure gauge for being used at present, the piston component of set of device correspondence multiple measurement range,
Need to dismantle elevating table device and remove specific weight and piston component can be dismounted when changing piston component.Replacing is finished
Afterwards, the form and position tolerance of each part mutual alignment is debugged in assembling process, work difficulty and after-sale service number of times is increased,
And repeated disassembled and assembled can cause the problems such as parts depreciation, leakage of working media.Specific weight is carried with turriform in use
Axiality between cylinder can form accumulated error because of repeated loading, so as to cause that the serious mistake to be performed action cannot be completed
By mistake.
The content of the invention
Regarding to the issue above, it is an object of the invention to：A kind of piston gage executing agency increase and decrease counterweight is provided
Method；To solve dismounting and needing dismounting lifting platform and specific weight, adjusting instrument again during changing piston component；Dress
The concentricity tolerance requirement between specific weight and piston component is reduced with process, and system operation reliability difference etc. is asked
Topic.
To achieve the above object, the technical solution used in the present invention is：A kind of piston gage executing agency is provided
The method for increasing and decreasing counterweight；The structure of wherein executing agency includes：Lifting platform, turriform bearing tube, specific weight group, pressure piping and
Booster body；Described structure is mainly made up of lifting platform, counterweight group and turriform bearing tube, and wherein lifting platform Relative distribution is in tower
, there are just different two groups shape bearing tube both sides, correspond to each other but are not connected to；Turriform bearing tube outer layer is and special for stepped
Counterweight is corresponded；Specific weight group is placed on lifting platform top plan, is annular, its internal diameter and platform corresponding to turriform bearing tube
Rank external diameter is unanimously corresponded to.
The turriform bearing tube, can be replaced with conically shaped.
The turriform bearing tube is the step of annular, and corresponding with specific weight group, can be by measurement, control lifting
The distance that platform is moved up and down is realized accurately being moved away from or places specific weight of the turriform bearing tube correspondingly on step.
The method of piston gage executing agency increase and decrease counterweight is specially：There are two groups of relative point of different lifting platforms of height
Cloth installed in the outermost end of the device for placing specific weight, and is not connected to each other in turriform bearing tube both sides；Have two groups it is special
Counterweight group is used, is respectively placed on the top plan of correspondence lifting platform, place one BOB(beginning of block) of Shi Xiancong the tops with lifting platform
Decline, uppermost one piece is placed on turriform bearing tube, then toward decentralization, often carried to turriform successively according to test request
Cylinder places one piece of counterweight, is capable of achieving one loading of test point of positive stroke, and every piece of specific weight loading once can all hold with turriform
Carry cylinder and correct an axiality；Similarly, lifting platform is realized rising by synchronizing wheel and toothed belt transmission, specific weight by it is lower and on
Turriform bearing tube is moved away from successively, and being often moved away from a specific weight can just realize one unloading of test point of revesal.
Elevating table device and specific weight need not be dismantled when piston component is changed, it is only necessary to drop below lifting platform
The nethermost place of turriform bearing tube, now in the middle of the pallet of lifting platform top insert one piece of metal profile, supporting plate it is another
One reaches turriform bearing tube lower surface.For supporting turriform bearing tube and putting specific weight in the above.With lifting
The position that the rise of platform, turriform bearing tube and specific weight group rise above piston component together just can very easily dismount
Piston component.
The beneficial effects of the invention are as follows：Change, dismounting piston component need not dismantle lifting platform and remove specific weight.Keep away
Exempting to dismount every time piston component needs to readjust the elevating table device for placing counterweight, improves the reliability of instrument, practicality；
Ensure that the axiality after being placed every time between specific weight and piston component, it is to avoid because accumulated error causes specific weight and holds
Carry the interference between cylinder and cause the baulk of executing agency；Axiality between specific weight and piston component during reduction assembling
Requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the executing agency of piston press increase and decrease specific weight；
Fig. 2 is the schematic diagram of executing agency's loading specific weight of piston press increase and decrease specific weight；
In figure：1st, turriform bearing tube；2nd, counterweight group；3rd, counterweight group；4th, screw mandrel；5th, screw mandrel；6th, nut；7th, nut；8th, base；9th, fot screw.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.
As shown in figure 1, the present invention provides the executing agency that a kind of piston gage increases and decreases counterweight, its structure includes：Rise
Drop platform, turriform bearing tube 1, counterweight group and base 8；Wherein lifting platform is placed in the upper surface of base 8, base 8 with turriform bearing tube 1
Lower section is provided with fot screw 9.Lifting platform Relative distribution has just different two groups in the both sides of turriform bearing tube 1, corresponds to each other
But it is not connected to；The outer layer of turriform bearing tube 1 is stepped, is corresponded with counterweight；Wherein the lifting of lifting platform is by screw mandrel and nut
It is controlled, by screw mandrel4 and nut6 controls lifting platform higher, its top is placed with counterweight group2；By screw mandrel5 and spiral shell
It is femaleThe relatively low lifting platform of 7 controls, its top is placed with counterweight group3；The counterweight of the counterweight group is annular, its internal diameter with
Outer diameter of step corresponding to turriform bearing tube is unanimously corresponded to.Can be real by changing the piston component of different ranges in test process
The purpose of existing apparatus measures multiple ranges, by moving up and down for lifting platform, realize piston gage automatic loading,
Unloading.
Turriform bearing tube 1, is placed in the center of the device for placing specific weight, and its side is made up of step, every layer of platform
Rank has corresponding specific weight, in test process, by controlling the change in displacement of lifting platform, counterweight is loaded into
On corresponding step, or it is unloaded from corresponding step, and in the respective step of turriform bearing tube, automatically calibrating is special
With the axiality between counterweight and turriform bearing tube, it is to avoid because of fit tolerance and caused by operation failure.
Concrete operations flow：Under the driving of motor, a pair of lifting platforms are realized same by the transmission of synchronizing wheel and Timing Belt
Step raising and lowering, specific weight group is moved up and down with lifting platform；During lifting platform is moved down, by upper surface
The one group of counterweight placed is placed on the corresponding step of turriform bearing tube one by one in accordance with the order from top to bottom, and realization loads weight one by one
The purpose of code, every piece of specific weight loading once all can correct an axiality with piston component；Similarly, moved upwards in lifting platform
In dynamic process, the specific weight that will be individually placed on turriform bearing tube step is placed on lifting platform after departing from one by one from bottom to top
Upper surface, realizes unloading one by one the purpose of specific weight；It is often special to one piece of turriform bearing tube placement during lifting platform declines
Counterweight, is capable of achieving one loading of test point of positive stroke, same to be moved away from one piece of specific weight from turriform bearing tube, it is possible to achieve
One unloading of test point of revesal.
In operation, the device for placing specific weight is mechanically transmitted, and with self-locking device, root
The need for according to test, two groups of lifting platforms can be adjusted and lifted simultaneously, two groups of lifting platforms can also synchronously lifted, accelerate to change weight
The speed of code, greatly shortens the calibrating time.In test, piston rod can lean on inertia autorotation after closing motor, meet country
Vertification regulation.
In the present invention using in the form of two groups of counterweight groups as main explanation target, in actual use, can be with according to survey
The need for amount range, the quantity of counterweight group is adjusted, adapt it to the use of different measurement ranges.
Claims (2)
1. a kind of method that piston gage executing agency increases and decreases counterweight, it is characterised in that：Piston gage executing agency
Structure be mainly made up of lifting platform, specific weight group and turriform bearing tube, wherein lifting platform Relative distribution in bearing tube both sides,
Concrete operations are as follows：
（1）Lifting platform rises to peak, and one group of specific weight is placed in into lifting platform top end surface；
（2）Under motor driving, lifting platform is realized declining by synchronizing wheel and toothed belt transmission, from top to bottom adds specific weight
It is loaded in turriform bearing tube relative position；
（3）One piece of specific weight often is placed to turriform bearing tube, all can correct once same with the turriform bearing tube on piston component
Axle degree, and realize one loading of test point of positive stroke；
（4）Similarly, lifting platform is realized rising by synchronizing wheel and toothed belt transmission, on turriform bearing tube by it is lower and on be moved away from successively
Specific weight, being often moved away from one piece of specific weight can just realize one unloading of test point of revesal.
2. the method that a kind of piston gage executing agency according to claim 1 increases and decreases counterweight, it is characterised in that institute
State in piston gage executing agency, lifting platform Relative distribution is corresponded to each other but be not connected in turriform bearing tube both sides, lift
Platform by load-bearing sleeve hold up to be higher than piston component position when, without dismantling lifting platform and specific weight with regard to dismantled and assembled piston group
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763253.4A CN104458099B (en) | 2014-12-13 | 2014-12-13 | The executing agency of piston gage increase and decrease specific weight and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763253.4A CN104458099B (en) | 2014-12-13 | 2014-12-13 | The executing agency of piston gage increase and decrease specific weight and method |
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| Publication Number | Publication Date |
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| CN104458099A CN104458099A (en) | 2015-03-25 |
| CN104458099B true CN104458099B (en) | 2017-06-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860508B (en) * | 2017-12-15 | 2023-11-03 | 苏州市计量测试院 | Belt tensiometer calibrating device |
| CN109540370B (en) * | 2018-12-04 | 2020-07-14 | 上海敏榆实业有限公司 | Automatic add straight top formula superhigh pressure piston pressure gauge of sign indicating number |
| CN110196136B (en) * | 2019-05-09 | 2022-08-02 | 大连普瑞森科技有限公司 | Tube-shape weight loading mechanism |
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| US5331838A (en) * | 1992-12-03 | 1994-07-26 | Delajoud Pierre R | Dead weight piston drive and control system |
| CN2585210Y (en) * | 2002-12-01 | 2003-11-05 | 中国石化集团江汉石油管理局仪表厂 | Automatic pressure gauge calibrating instrument |
| DE10347289A1 (en) * | 2003-10-08 | 2005-05-04 | Endress & Hauser Gmbh & Co Kg | Calibration rig for pressure sensors operating above and below atmospheric pressure has piston manometer in framework which may be inverted and attachment for calibration weights |
| CN201476939U (en) * | 2009-02-25 | 2010-05-19 | 马俊杰 | Automatic weight loading-unloading device of piston pressure gage |
| CN202748186U (en) * | 2012-08-24 | 2013-02-20 | 深圳市中图仪器科技有限公司 | Piston type pressure gauge and counterweight automatic loading and unloading device thereof |
| CN203824701U (en) * | 2014-03-17 | 2014-09-10 | 上海英环测试设备有限公司 | Weight automatic adding and subtracting mechanism used for piston manometer |
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| US5331838A (en) * | 1992-12-03 | 1994-07-26 | Delajoud Pierre R | Dead weight piston drive and control system |
| CN2585210Y (en) * | 2002-12-01 | 2003-11-05 | 中国石化集团江汉石油管理局仪表厂 | Automatic pressure gauge calibrating instrument |
| DE10347289A1 (en) * | 2003-10-08 | 2005-05-04 | Endress & Hauser Gmbh & Co Kg | Calibration rig for pressure sensors operating above and below atmospheric pressure has piston manometer in framework which may be inverted and attachment for calibration weights |
| CN201476939U (en) * | 2009-02-25 | 2010-05-19 | 马俊杰 | Automatic weight loading-unloading device of piston pressure gage |
| CN202748186U (en) * | 2012-08-24 | 2013-02-20 | 深圳市中图仪器科技有限公司 | Piston type pressure gauge and counterweight automatic loading and unloading device thereof |
| CN203824701U (en) * | 2014-03-17 | 2014-09-10 | 上海英环测试设备有限公司 | Weight automatic adding and subtracting mechanism used for piston manometer |
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| 200-J压力记录仪常见故障及排除;朱黎;《油气井测试》;19970630;第06卷(第02期);59-62 * |
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| CN104458099A (en) | 2015-03-25 |
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