CN207923254U - Mass method flow detector weighs protection system - Google Patents
Mass method flow detector weighs protection system Download PDFInfo
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- CN207923254U CN207923254U CN201721889794.7U CN201721889794U CN207923254U CN 207923254 U CN207923254 U CN 207923254U CN 201721889794 U CN201721889794 U CN 201721889794U CN 207923254 U CN207923254 U CN 207923254U
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Abstract
The utility model is related to a kind of mass method flow detectors to weigh protection system; including hydraulic system, separating jack, container skid and synchronous distributor; wherein container skid is fixed on weighing container bottom; multiple separating jacks are installed in container skid bottom, and each separating jack is fixed on the ground by jack fixed seat；The fluid pressure line of hydraulic system is connected to by synchronous distributor with the hydraulic cylinder of each separating jack；Electronic scale is set between container skid bottom, each separating jack fixed seat, and weighing container is detached and is bonded between electronic scale under the action of the hydraulic cylinder of each separating jack.The utility model is logical to use hydraulic principle; easily weighing container is detached with electronic scale; ensure when carrying out injection tested media to weighing container; weighing container is in discrete state always with electronic scale; to eliminate impact force of the test fluid vertically downward to electronic scale; adequately protect electronic scale, improves calibrating accuracy.
Description
Technical field
The utility model is related to a kind of hydraulic jacking device, specially a kind of mass method flow detector weighs protection system
System.
Background technology
Weighing container is the container for weighing tested media in Static mass method liquid flow standard device, is placed in electricity
Sub- scale top.The quality for measuring the liquid medium in the weighing container under stationary state in the given time, with checklist indicating value
It is compared, realizes calibrating.The weighing container of existing such device is usually to be rest directly upon electronic scale top to be detected title
Amount, the function of not examined and determine from scale vacantly.The impact of fluid generation vertically downward is tested when being examined and determine due to device, in pipeline
Power acts directly on electronic scale, causes electronic scale by strong impact force, influences the measurement error of electronic scale, reduces inspection
Determine accuracy.Meanwhile the weighing sensor in electronic scale is also easily caused by impact damage, reduce the service life of electronic scale.
Utility model content
For Static mass method liquid flow standard device in the prior art electronic scale by strong impact force and shadow
The deficiencies of ringing the measurement error of electronic scale place, the technical problem to be solved by the present invention is to provide one kind will easily claim
The mass method flow detector that weight container is detached with electronic scale weighs protection system.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of mass method flow detector weighing protection system of the utility model, including hydraulic system, separate type are very heavy
Top, container skid and synchronous distributor, wherein container skid are fixed on weighing container bottom, and the installation of container skid bottom is multiple
Separating jack, each separating jack are fixed on the ground by jack fixed seat；The fluid pressure line of hydraulic system is logical
Synchronous distributor is crossed to be connected to the hydraulic cylinder of each separating jack；Electronic scale is very heavy set on container skid bottom, each separate type
Between pushing up fixed seat, weighing container is detached and is bonded between electronic scale under the action of the hydraulic cylinder of each separating jack.
The synchronous distributor is mounted at the center below electronic scale, using five logical current dividers, including valve body, one into
Oily connector and four delivery connections, a fuel inlet fitting and four delivery connections are connected to by the oil pipe line of valve inner；Oil inlet
Connector is connected to the fluid pressure line of hydraulic system；Four delivery connections connect with the oil connection of four separating jacks respectively
It is logical.
The oil pipe line of valve inner includes right-angled intersection pipeline and ring leads to oil circuit, the four direction difference of right-angled intersection pipeline
Corresponding each delivery connection, it is the annular oil circuit around the crosspoint of right-angled intersection pipeline and centered on crosspoint that ring, which leads to oil circuit,.
Also there is fuel-flow control part, including adjust steel ball and adjusting screw, four adjust steel ball and are respectively placed at five reduction of fractions to a common denominators
It flows in the right-angled intersection pipeline in device valve body, four adjusting screws are connected on the valve body of five logical current dividers.
Container skid quadrangle is separately installed with Self-aligning locating piece, and it is fixed that separating jack fixed seat corresponds to Self-aligning
The position of position block, is fixedly mounted by expansion bolt.
Self-aligning locating piece is inner cone form, and separating jack is inserted into after rising in Self-aligning locating piece inner cone.
The direction of the oil connection of separating jack is consistent with the reserved opening direction of fixed seat, and it is fixed to be held out against by jackscrew
Position.
The utility model has the advantages that and advantage：
1. the utility model is by simple manual operation, using hydraulic principle, easily by weighing container and electricity
Sub- scale separation ensures when carrying out injection tested media to weighing container, weighing container is in discrete state always with electronic scale,
With the test fluid of elimination vertically downward to the impact force of electronic scale, adequately protect electronic scale, improves calibrating accuracy.
2. the utility model is not required to move calibration and maintenance that weighing container can be achieved with electronic scale, while also long in device
When phase leaves unused, electronic scale is made to be in the state that do not stress, to protect electronic scale sensor, to study and producing fluid flow standard dress
It sets and a new idea and method is provided.
3. the utility model can be widely applied to the weighing system of any type of Static mass method liquid flow standard device
It unites in (weighing container), meets all technical requirement, there is good effect, can be provided to relevant enterprise a kind of novel
Liquid flow standard device, obtain certain economic benefit.
4. the utility model is simple in structure, concise in technology, failure rate is small, and failure judges well, and maintenance maintenance is convenient, uses peace
It is complete reliable, have the function of synchronous (or substep) pressure regulation, synchronization (or substep) speed governing etc., controllable four separating jacks it is same
When and synchronous vertical lifting work, and then simultaneously and synchronous jacking or sedimentation weighing container, can be noted to weighing container
When entering tested media, ensures that weighing container is in discrete state always with electronic scale, ensure that electronic scale is in verification process
Unstressed state protects electronic scale sensor.Shorten the stabilization time of electronic scale simultaneously, reduction causes because stabilization time is long
Cumulative errors, improve measurement verification precision.It is protection equipment indispensable in Weighing system.
5. the utility model has the function of that variable frequency adjustment, overloading automatic protection, pressure self-locking, system are explosion-proof etc., can basis
Actual measurement data voluntarily judges pressurization or pressure release, emergent shutdown and system unlock.
Description of the drawings
Fig. 1 is the utility model mechanism overall structure floor plan；
Fig. 2 is the utility model mechanism overall structure elevation；
Fig. 3 A are five logical current divider structural schematic diagrams in the utility model；
Fig. 3 B are the vertical view of Fig. 3 A；
Fig. 4 is the structure and scheme of installation of separating jack and component in the utility model.
Wherein, 1 is hydraulic power unit, and 2 be frequency converter, and 3 be proportioning valve, and 4 be separating jack, and 5 distribute for hydraulic synchronization
Device, 501 be the first delivery connection, and 502 be the second delivery connection, and 503 be third delivery connection, and 504 be the 4th delivery connection,
505 be fuel inlet fitting, and 506 lead to oil circuit for ring, and 507 is adjust steel ball, and 508 be adjusting screw, and 6 be fluid pressure line, and 7 prize for container
Seat, 8 be jack fixed seat, and 9 be Self-aligning locating piece, and 10 be oil connection, and 11 be jackscrew, and 12 be fixing bolt, and 13 be liquid
Pressure oil case, 14 be the first hydraulic pump, and 15 be the second hydraulic pump, and 16 be 2000kg electronic scales, and 17 be 600kg electronic scales, and 18 are
2000L weighing containers, 19 be 600L weighing containers, and 20 be the first oil inlet pipe of hydraulic pump, and 21 be the second oil inlet pipe of hydraulic pump.
Specific implementation mode
The utility model is further elaborated with reference to the accompanying drawings of the specification.
As shown in Figure 1, 2, a kind of mass method flow detector of the utility model weighs protection system, including hydraulic pressure system
System, separating jack 4, container skid 7 and hydraulic synchronous distributor 5, wherein container skid are fixed on weighing container bottom,
Multiple separating jacks are installed in container skid bottom, and each separating jack is fixed on the ground by jack fixed seat 8；
The fluid pressure line of hydraulic system is connected to by hydraulic synchronous distributor with the hydraulic cylinder of each separating jack；Electronic scale, which is set to, to be held
Between device skid bottom, each separating jack fixed seat 8, weighing container is under the action of the hydraulic cylinder of each separating jack
It detaches and is bonded between electronic scale.
As shown in Fig. 3 A, 3B, hydraulic synchronous distributor 5 is mounted at the center below electronic scale, using five logical current dividers,
Including valve body, a fuel inlet fitting 505 and four delivery connections i.e. the first~tetra- delivery connection 501~504, a fuel inlet fitting
It is connected to by the oil pipe line of valve inner with four delivery connections；Fuel inlet fitting 505 is connected with the fluid pressure line 6 of hydraulic system；
Four delivery connections are connected to the oil connection of four separating jacks 4 10 respectively.
The oil pipe line of valve inner includes that right-angled intersection pipeline and ring lead to oil circuit 506, the four direction of right-angled intersection pipeline
Each delivery connection is corresponded to respectively, and it is the ring around the crosspoint of right-angled intersection pipeline and centered on crosspoint that ring, which leads to oil circuit 506,
Shape oil circuit, ring, which leads to oil circuit, can play the role of automatic equalization right-angled intersection pipeline liquid measure.
In the utility model, hydraulic synchronous distributor 5 also has fuel-flow control part, including adjusts steel ball 507 and adjust spiral shell
Nail 508, four adjust steel ball and are respectively placed in the right-angled intersection pipeline in five logical current divider valve bodies, four adjusting screw difference
It is connected on the valve body of five logical current dividers, the depth for adjusting steel ball in valve body is adjusted by adjusting screw, controls oil circuit sectional area
Size, play the role of self-control flow.
As shown in figure 4, the quadrangle of container skid 7 is separately installed with Self-aligning locating piece 9, jack fixed seat 8 corresponds to certainly
The lower section of aligning locating piece 9, fixed seat 8 are fixedly mounted on the ground by expansion bolt 12.
Self-aligning locating piece 9 is inner cone form, and separating jack 4 is inserted into 9 inner cone of Self-aligning locating piece after rising, leads to
The taper of indent is crossed, can play and suffer from one's own actions positive interaction, and then realizes Self-aligning positioning.
The direction of the oil connection 10 of separating jack 4 is consistent with the reserved opening direction of jack fixed seat 8, passes through top
Silk 11 holds out against positioning.
In the present embodiment, hydraulic system includes hydraulic power unit 1, frequency converter 2 and its controller, proportioning valve 3 and valve group etc.,
Hydraulic power unit, frequency converter controller, electric control system, proportioning valve 3 and valve group etc. use integrated installation.Hydraulic power unit power
5.5kW, maximum working pressure (MWP) 20MPa；Control form is that frequency control (0~50) Hz (is aided with electrical control and pressure self-locking work(
Can)；Operating pressure：(0~2.5) MPa；Type of drive：Hydraulic-driven；Explosive-proof grade：ExdIIBT4；Power supply：AC220V；
Fluid pressure line：Hydraulic rubber oil tube.Proportioning valve 3 is electric V-shaped regulating valve, and regulation performance is equal percentage state, linear to adjust
Adjusting range can reach (10~90) %, precision 1%, and self-operated type is adjusted.
It is welded with container skid 7 in weighing container bottom, to make jacking support, and on the ground of four angles of weighing container position
Upper installation jack fixed seat 8.Between the hydraulic synchronous distributor 5 of center from hydraulic pressure pump interface to electronic scale and hydraulic pressure
The fluid pressure line 6 that synchronous distributor 5 arrives between separating jack 4 uses hydraulic rubber oil tube, length practical by uniform sizes
It manufactures, 4.0MPa No leakages are suppressed in integral installation sealing.
Hydraulic synchronous distributor 5 is mounted at the center below electronic scale.Hydraulic synchronous distributor 5 uses five logical current dividers
Form, according to while four separating jacks and the need of work of synchronization lifting process.Five are adjusted by adjusting screw 508
The depth that steel ball 507 is adjusted in port valve body, controls the size of oil circuit sectional area, plays the role of self-control flow.It is setting
Under the premise of good oil circuit output pressure, in conjunction with regulating valve and hydraulic pump motor frequency control, and then realize that four separate types are very heavy
While pushing up 4 and synchronizes and lifted.The direction of its oil inlet will be with jack fixed seat 8 when installing separating jack 4
Reserved opening direction is consistent, and positioning is held out against with jackscrew 11 (hex bolts M8 × 25).
As shown in Figure 1, 2, in the present embodiment, the Weighing system of use includes two electronic scales of 2000kg, 600kg,
Two weighing containers of 2000L, 600L, 2 5.5kW hydraulic pumps, 2 sets of fluid pressure lines, separating jack, pressure distributor and meter
Calculation machine control system etc..
The operation principle of the utility model is：
Hydraulic climbing mechanism is power source with hydraulic power unit 1, and operation operating pressure is to (1.6~2.5) MPa, by electrical
System and hydraulic synchronous distributor 5 switch trend, pressure and the flow of medium in fluid pressure line, thus control four separate types thousand
While jin top 4 and synchronous vertical lifting work, and then simultaneously and synchronous jacking or sedimentation weighing container, ensure device right
When weighing container carries out injection tested media, weighing container is in discrete state always with electronic scale.Wait for that container inner medium reaches
Default liquid measure and it is relatively steady after, weighing container is deposited on electronic scale and is weighed.
The technological process of the utility model is：
1) flow is jacked：Hydraulic medium is through hydraulic power unit (positive pressure output frequency control) → proportioning valve → fluid pressure line → liquid
Pressure synchronous distributor → fluid pressure line → separating jack → container skid → weighing container rising is detached with electronic scale.
2) flow is settled：Hydraulic medium is through hydraulic power unit (negative pressure output frequency control) → proportioning valve → fluid pressure line → liquid
Pressure synchronous distributor → fluid pressure line → separating jack → container skid → weighing container sedimentation is bonded with electronic scale.
The concrete operations operating procedure of the utility model is：
Computer control system is run, the 2# liquid of output pressure value 2.5MPa, 600kg of the 1# hydraulic pumps of 2000kg is set
The output pressure value 1.6MPa of press pump starts the output of 1 positive pressure of hydraulic power unit, the frequency of frequency converter 2 is adjusted by electric control system
Rate is 40Hz, the aperture of proportioning valve 3 is 50%, and the hydraulic medium input hydraulic pressure pipeline 6 of stable and uniform is distributed through hydraulic synchronization
Device 5 arrives separating jack 4, and container skid 7 is lifted on jack piston top, and weighing container rises therewith, is kept completely separate with electronic scale,
It tests in fluid injection weighing container.
In-container Testing fluid to be weighed reaches default liquid measure, stops injection test fluid, after steady 30 seconds, starts hydraulic pressure
1 negative pressure of pumping plant inputs, and hydraulic medium is sucked out, and jack 4 settles, and is detached from container skid 7, and weighing container falls therewith, pastes
It closes and is weighed on electronic scale.
The utility model is mainly used in Static mass method liquid flow standard device between weighing container and electronic scale
Separation and fitting, effect are to ensure that electronic scale is in unstressed state in verification process, protect electronic scale sensor.Simultaneously
Shorten the stabilization time of electronic scale, reduce the cumulative errors caused by stabilization time is long, improve measurement verification precision, is to weigh
Indispensable protection equipment in system.
Claims (7)
1. a kind of mass method flow detector weighs protection system, it is characterised in that：It is very heavy including hydraulic system, separate type
Top, container skid and synchronous distributor, wherein container skid are fixed on weighing container bottom, and the installation of container skid bottom is multiple
Separating jack, each separating jack are fixed on the ground by jack fixed seat；The fluid pressure line of hydraulic system is logical
Synchronous distributor is crossed to be connected to the hydraulic cylinder of each separating jack；Electronic scale is very heavy set on container skid bottom, each separate type
Between pushing up fixed seat, weighing container is detached and is bonded between electronic scale under the action of the hydraulic cylinder of each separating jack.
2. mass method flow detector as described in claim 1 weighs protection system, it is characterised in that：The synchronous distribution
Device is mounted at the center below electronic scale, and using five logical current dividers, including valve body, a fuel inlet fitting and four fuel-displaced connect
Head, a fuel inlet fitting and four delivery connections are connected to by the oil pipe line of valve inner；The liquid of fuel inlet fitting and hydraulic system
Press pipeline connection；Four delivery connections are connected to the oil connection of four separating jacks respectively.
3. mass method flow detector as described in claim 2 weighs protection system, it is characterised in that：The oil of valve inner
Pipeline includes right-angled intersection pipeline and ring leads to oil circuit, and the four direction of right-angled intersection pipeline corresponds to each delivery connection respectively, and ring is logical
Oil circuit is the annular oil circuit around the crosspoint of right-angled intersection pipeline and centered on crosspoint.
4. mass method flow detector as described in claim 2 weighs protection system, it is characterised in that：Also there is oil mass tune
Part is saved, including adjusts steel ball and adjusting screw, four adjust steel ball and are respectively placed at the right-angled intersection in five logical current divider valve bodies
In pipeline, four adjusting screws are connected on the valve body of five logical current dividers.
5. mass method flow detector as described in claim 1 weighs protection system, it is characterised in that：The container skid
Quadrangle is separately installed with Self-aligning locating piece, and separating jack fixed seat corresponds to the position of Self-aligning locating piece, passes through expansion
Bolt is fixedly mounted.
6. mass method flow detector as described in claim 2 weighs protection system, it is characterised in that：Self-aligning locating piece
For inner cone form, separating jack is inserted into after rising in Self-aligning locating piece inner cone.
7. mass method flow detector as described in claim 1 weighs protection system, it is characterised in that：Separating jack
Oil connection direction it is consistent with the reserved opening direction of fixed seat, positioning is held out against by jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889794.7U CN207923254U (en) | 2017-12-29 | 2017-12-29 | Mass method flow detector weighs protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889794.7U CN207923254U (en) | 2017-12-29 | 2017-12-29 | Mass method flow detector weighs protection system |
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| Publication Number | Publication Date |
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| CN207923254U true CN207923254U (en) | 2018-09-28 |
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ID=63616632
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721889794.7U Active CN207923254U (en) | 2017-12-29 | 2017-12-29 | Mass method flow detector weighs protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455499A (en) * | 2017-12-29 | 2018-08-28 | 丹东意邦计量仪器仪表有限公司 | A kind of hydraulic climbing mechanism for liquid weighing container |
-
2017
- 2017-12-29 CN CN201721889794.7U patent/CN207923254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455499A (en) * | 2017-12-29 | 2018-08-28 | 丹东意邦计量仪器仪表有限公司 | A kind of hydraulic climbing mechanism for liquid weighing container |
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