CN206378183U - Buoyant equilibrium formula meausring apparatus - Google Patents
Buoyant equilibrium formula meausring apparatus Download PDFInfo
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- CN206378183U CN206378183U CN201720048620.1U CN201720048620U CN206378183U CN 206378183 U CN206378183 U CN 206378183U CN 201720048620 U CN201720048620 U CN 201720048620U CN 206378183 U CN206378183 U CN 206378183U
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- Prior art keywords
- weight
- floating body
- weighing
- reserve tank
- weighing sensor
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Abstract
A kind of buoyant equilibrium formula meausring apparatus, solve the problems, such as traditional balance or transducer range is small, precision is low or high cost, including liquid reserve tank, it is suspended in the hollow floating body with force-guided stem in liquid reserve tank, weight pallet and the weighing sensor being connected by data wire with measuring instrumentss, are characterized in that：The power rope of leading at the top of force-guided stem on fixed charge method end plate is connected to link together with weight tray and weight pallet by leading power support frame and suspension rod, weight pallet is arranged on the top of buffering centering body, buffering centering body is fixed on weighing sensor, by adjusting the default balance of the counterbalance mass on weight tray, make the gravity of testee and the buoyant equilibrium of hollow floating body, the quality of testee is equal to weighing counterbalance mass and is delivered to the quality sum shown in measuring instrumentss with weighing sensor.Its reasonable in design, can realize the weighing of big quality with the small sensor of range, and the range of measurement is big, and precision is high, and low cost is applied widely.
Description
Technical field
The utility model is related to a kind of meausring apparatus, particularly a kind of to be applied to meet the floating of big quality or high-precision requirement
Force balance type meausring apparatus.It can also be used for calibrating amount biography, the small weighing of big tare weight of big counterweight.
Background technology
Traditional balance or the weighing precision of sensor are nominal according to the percentage of full scale.Due to horizontal by balance
Beam and knife hold the limitation of bearing capacity, and the structure as disclosed in " balance " that notification number is CN201476851U, range is smaller.Some electricity
Sub- balance is limited by transducer range and sensitivity so that the precision of balance is constrained by range, especially because of cost mistake
Height, it is difficult to produce the balance of wide range.Calibrating amount biography, the small weighing of big tare weight for big counterweight etc., tend not to meet big
Range or high-precision requirement.Existing buoyancy balance structure is, using the difference for weighing mass of object, to make floating body in immersion
The volume difference of liquid reaches balance, and the difference of floating body emersion liquid level calibrates the relationship between quality with weighed object, due to
The influence of the factor such as the detection of adjustable height and surface tension of liquid so that the raising of weighing precision is restricted.Measure quality
During object not of uniform size, it is often necessary to the weighing utensil of different ranges is changed, to ensure respective measurement accuracy.
According to Patents, public affairs number are 85203494U " buoyancy balance ", and disclosed core technology is：Utilize liquid pool
Inner cylinder float buoyancy balance weighing thing.When amount of substance of the weighing graduation indication weighing value that fly rod fluctuates that changes becomes
Change, buoyancy and counterweight effectively balance amount of substance gross mass of weighing, pass through the change of the lifting displacement measurement quality of floating drum
Amount.But it is to cause floating drum upper and lower displacement to cause lifting rate change to reach the testing goal after balance by mass change.Its structure
The raising of measurement accuracy is limited to, the big surface area of floating drum and big lower planes and liquid viscosity first is limited above and below floating drum
Mobile sensitivity, and equilibration time is long, the effect of surface tension of liquid reduces the repdocutbility of weighing, to ensure weighed object
The center crossbeam of barycenter and buoyancy need to add balance-adjustable counterweight.
Similar patent also has " flotation balance " that notification number is CN201159663Y, and it is made using floating body by object is weighed
Used in liquid level upper and lower displacement amount, cause its alleged quality of liquid level change correspondence.Its structure is that a scale is hinged on floating body
Bar, above and below floating body liquid level.Scale bar turns to weighed object weight and buoyant equilibrium, the tuning drive gear correspondence that scale bar drives
Position on dial draws mass of object.The interface of the floating block immersed in liquid level of this structure is changed greatly, and buoyancy is before weighing
It is that mass of object is different to be changed with being weighed afterwards, it is difficult to ensure the precision of measurement.The flotation balance structure of announcement is also and has a cunning
Block is oriented to increase additional drag, is equally difficult to high accuracy.
Utility model content
The utility model purpose is to provide a kind of buoyant equilibrium formula meausring apparatus, solves traditional balance or transducer range
Small, precision is low or high cost problem, its reasonable in design, and big quality is realized to weigh the small sensor of counterweight combination range
Weighing, the range of measurement is big, and low cost, precision is high, applied widely.
The following technical scheme that the utility model is used is：The buoyant equilibrium formula meausring apparatus includes being fixed on support base
On liquid reserve tank, be suspended in the hollow floating body with force-guided stem in liquid reserve tank, weight pallet and pass through data wire and measuring instrument
The weighing sensor of table connection, is characterized in that：It is connected at the top of the force-guided stem and leads power rope by leading on fixed charge method end plate
Power support frame and suspension rod link together with weight tray and weight pallet, form stable power-guiding machine structure, hollow floating body is produced
Raw buoyancy is led below liquid reserve tank, place testee weight pallet mounted using cliver and weight tray be placed in it is slow
The top of centering body is rushed, buffering centering body is fixed on the weighing sensor being connected by data wire with measuring instrumentss；When
Weigh testee quality sum of the counterbalance mass with being placed on weight pallet and produce downward gravity less than the transmission of hollow floating body
Buoyancy when, weight tray, which floats to upper limit mechanism, to be stopped, make weight pallet depart from weighing sensor on buffering centering body,
Conversely, weight tray or weight pallet are fallen on lower limit elevating mechanism only, and it is slow to decline lower limit elevating mechanism, make weight support
The buffered centering body of disk is loaded on weighing sensor.
The hollow floating body with force-guided stem being assembled in liquid reserve tank be monomer or be that multiple monomers are connected with each other
Assembly together.
The liquid reserve tank bottom and the position restrainer for leading floating distance when setting between power support frame the hollow floating body of limitation unloaded
Structure.
The force-guided stem is fixedly connected by reinforcing ring with hollow floating body.
The utility model has the advantage that and good effect is：Because the utility model is arranged on the force-guided stem of hollow floating body
Power rope is led on the fixed charge method end plate of top, is linked together by leading power support frame and suspension rod with weight tray and weight pallet, shape
Into stable power-guiding machine structure, the buoyancy that hollow floating body is produced is led below liquid reserve tank, and the weight pallet of power-guiding machine structure is set
In the top of buffering centering body, buffering centering body is fixed on the weighing sensor being connected by data wire with measuring instrumentss
On, it is possible to by leading the buoyancy that power rope produces liquid in groove to hollow ball floating body, bypass liquid reserve tank and be fully transmitted to weighing
On sensor.Liquid reserve tank is bypassed because leading Li Suo and leading power support frame, only force-guided stem passes through liquid surface, along the center of hollow floating body
Transmit buoyancy, therefore weigh before and after hollow floating body Influence of Displacement amount, only by weighing sensor produced under different weighings it is small
Deformation is constrained.Due to being weighed the weighing counterweight of the most of fixed buoyancy produced by hollow floating body of mass of object and known quality
Balance, its less difference formed is directly read by weighing sensor, so its reasonable in design, the range of measurement
Depending on the quality of the weighing counterweight after the buoyancy of balance floating body, its precision is decided by weigh the precision and weighing sensor of counterweight
Scale division value and hollow floating body buoyancy sensitivity.This suspend weighs without friction, is weighed most of quality of thing by counterweight
The mode of replacement, can be combined with the small sensor of range and weigh the weighing that counterweight realizes big quality, therefore, its range measured
Greatly, low cost, precision is high.That leads power support frame both sides leads power Cable Structure, can balance the small range unbalance loading for being weighed thing, easily real
Existing adaptive equalization；Length travel is minimum (micron order) during being weighed due to weighing sensor, with floating body after loading before loading
Height and position be almost unchanged, overcome floating drum and fluctuate many uncertainties of introducing and the disadvantage of equilibration time length
End；The volume for increasing hollow floating body produces larger buoyancy, and the increased manufacturing cost of institute is seldom；Connect using ball float with liquid
Surface area minimum is touched, is conducive to improving the sensibility reciprocal of floating body.Because its be by can free floating floating body produce buoyancy as title
The balance of quantity of material amount, therefore not only sensitivity is high, and without mechanical wear, in the absence of traditional balance edge of a knife because abrasion produces mistake
Difference and because knife holds the limitation that intensity is subject to.Therefore, the utility model solves traditional balance or transducer range is small, precision is low or
High cost problem.Counterweight loading can be realized by manual mode or aid in automatic weight load maintainer to realize automatic weighing.
Brief description of the drawings
The utility model is further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is Fig. 1 top view.
Number explanation in figure：1 fixed charge method end plate, 2 force-guided stems, 3 reinforcing rings, 4 hollow floating bodies, 5 upper limit mechanisms, 6 lower limits
Elevating mechanism, 7 weight pallets, 8 support bases, 9 buffering centering bodies, 10 weighing sensors, 11 data wires, 12 measuring instrumentss, 13
Cliver, 14 weight trays, 15 suspension rods, 16 position-limit mechanisms, 17 liquid reserve tanks, 18 case lids, 19 lead power support frame, 20 lead power rope.
Embodiment
Concrete structure of the present utility model is described in detail according to Fig. 1~2.The buoyant equilibrium formula meausring apparatus includes being fixed on
Liquid reserve tank 17 on support base 8, is suspended in the hollow floating body 4 with force-guided stem 2 in liquid reserve tank 17, weight pallet 7 and passes through
The grade parts of weighing sensor 10 that data wire 11 is connected with measuring instrumentss 12.On the basis of the present embodiment it is contemplated that, branch
Specification, the size of seat 8, case lid 18 and liquid reserve tank 17 are supportted, specification, the quantity of hollow floating body 4 and force-guided stem 2 can be according to reality
Need to set.The hollow floating body 4 with force-guided stem 2 being assembled in liquid reserve tank 17 can be monomer or be multiple single phase interconnection
The assembly being connected together.When using multiple monomers, the monoblock type fixed charge method end plate 1 that the force-guided stem 2 of each monomer is passed through into top
It is interconnected to assembly.For big hollow floating body 4, force-guided stem 2 can be fixedly connected by reinforcing ring 3 with hollow floating body 4.
Wherein be connected on the top fixed charge method end plate 1 of force-guided stem 2 lead power rope 20 by lead power support frame 19 and suspension rod 15 with
Weight tray 14 and weight pallet 7 are linked together, and form stable power-guiding machine structure, and the buoyancy that hollow floating body 4 is produced is led
The lower section of liquid reserve tank 17.Fitted together between weight tray 14 and weight pallet 7 by cliver 13, weight pallet 7 is set
In the top of buffering centering body 9.The both sides that power rope 20 is connected to the top fixed charge method end plate 1 of force-guided stem 2 are led, through leading power support frame
19 connection cavity, by leading the counterweight on the weight tray 14 that the suspension bracket 15 of the bottom of power support frame 19 is connected with being fixed on or putting
The testee put on weight pallet 7 realizes adaptive equalization.Buffering centering body 9 is fixed on by data wire 11 and measurement
On the weighing sensor 10 that instrument 12 is connected.Testee quality sum of the counterbalance mass with placing on weight pallet 7 is weighed to produce
When raw gravity is less than the buoyancy that hollow floating body 4 is transmitted, weight tray 14, which floats to upper limit mechanism 5, to be stopped, and takes off weight pallet 7
From the buffering centering body 9 of weighing sensor 10.Conversely, weight tray 14 or weight pallet 7 are fallen on lower limit elevating mechanism 6
Only, then slowly decline lower limit elevating mechanism 6, the buffered centering of centering body 9 of weight pallet 7 is loaded into weighing sensor 10
On.
On weight tray 14 hollow floating body 4 is balanced to weigh counterweight less than placement in units of the range of weighing sensor 10
Buoyancy.The range that the counterweight amount more than buoyancy is less than weighing sensor is now weighed, it is slow to decline lower limit elevating mechanism 6,
Make the buffered centering body 9 of large face plate 7 as initial value is weighed and be loaded into what is be connected by data wire 11 with measuring instrumentss 12
On weighing sensor 10, and record simultaneously in measuring instrumentss 12.Lifting lower limit elevating mechanism 6 is in weighing sensor 10
Loaded state, does not place on weight pallet 7 and estimates quality equivalent with testee on testee, removal weight tray 14
Counterweight, stop until weight tray 14 floats to upper limit mechanism 5.Reloading a small amount of counterweight makes large face plate 7 fall in lower limit
On the elevating mechanism 6 of position, fall lower limit elevating mechanism 6 after rise, reload the buffered centering body 9 of weighing sensor 10, now
The counterbalance mass that the quality of testee is equal to removal is delivered to the quality shown in measuring instrumentss 12 plus weighing sensor 10
And weigh the difference of initial value.
Principle：The weighing of the device is that the counterweight on the buoyancy and weight tray 14 produced with hollow float 4 is offset
The most of quality for being weighed object on weight pallet 7, remaining quality weighing sensor 10 is weighed.
Initial adjustment：The counterweight of equivalent is configured according to buoyancy on weight tray 14, full scale counterweight is loaded into counterweight
On pallet 14, and make weighing sensor 10 be delivered in measuring instrumentss 12 experience one be less than the range 1/ of weighing sensor 10
100 value, through clear 0 function of display, the quality for showing weighing is 0kg.
Weighing process：Load full scale and weigh counterweight, lower limit elevating mechanism 6 is risen, reloads and is weighed object, claim
The quality for being weighed object is first estimated during amount, big mass weight is first unloaded, then unloads small mass weight, until weighing mechanism floats
To upper limit mechanism 5, counterweight is gradually then loaded with the quality less than the range of weighing sensor 10, weighing mechanism is fallen back to down
Spacing elevating mechanism 6, the range for making a concerted effort to be less than weighing sensor 10 now, to protect the non-overloading of weighing sensor 10；Slowly
Decline lower limit elevating mechanism 6, the buffered centering body 9 in lower surface of weight pallet 7 is loaded into weighing sensor 10, it is stable
Weighing value is directly read afterwards, and the quality for being weighed object is equal to the quality sum that the quality of unloading counterweight adds weighing instrument to show.Weight
Code loading can be realized by manual mode or aid in automatic weight load maintainer to realize automatic weighing.
Protection mechanism：In order to avoid hollow float 4 load it is excessive encounter the bottom of liquid reserve tank 17, prevent hollow float 4 from existing
Underload and rise too high, in the bottom of liquid reserve tank 17 and can lead limitation hollow floating body 4 is set between power support frame 19 respectively
The position-limit mechanism 16 of floating distance when unloaded, the He of upper limit mechanism 5 is set in the upper surface and lower surface of weight tray 14 respectively
Lower limit elevating mechanism 6.In order that loading load is slow, it is to avoid symmetrical quantity sensor 10 impacts overload, in weight pallet 7
Lower surface also set up buffering centering body 9, it is to avoid sensor unbalance loading.
Claims (4)
1. a kind of buoyant equilibrium formula meausring apparatus, including the liquid reserve tank being fixed on support base, are suspended in carrying in liquid reserve tank
The hollow floating body of force-guided stem, weight pallet and the weighing sensor being connected by data wire with measuring instrumentss, it is characterised in that：Even
It is connected at the top of the force-guided stem on fixed charge method end plate and leads power rope by leading power support frame and suspension rod and weight tray and weight pallet
Link together, form stable power-guiding machine structure, the buoyancy that hollow floating body is produced is led below liquid reserve tank, places testee
Weight pallet the top for being placed in buffering centering body is mounted using cliver and weight tray, buffering centering body is fixed on
On the weighing sensor being connected by data wire with measuring instrumentss；Weigh counterbalance mass and the testee placed on weight pallet
When the gravity that quality sum is produced is less than the buoyancy that hollow floating body is transmitted, weight tray, which floats to upper limit mechanism, to be stopped, and makes weight
Pallet departs from the buffering centering body on weighing sensor, conversely, weight tray or weight pallet fall on lower limit elevating mechanism
It is upper to stop, it is slow to decline lower limit elevating mechanism, the buffered centering body of weight pallet is loaded on weighing sensor.
2. buoyant equilibrium formula meausring apparatus according to claim 1, it is characterised in that：Carrying in liquid reserve tank is assembled in lead
The hollow floating body of power bar be monomer or be the assembly that multiple monomers interconnect.
3. buoyant equilibrium formula meausring apparatus according to claim 1, it is characterised in that：The liquid reserve tank bottom is with leading power branch
The position-limit mechanism of floating distance when setting the hollow floating body of limitation unloaded between support.
4. buoyant equilibrium formula meausring apparatus according to claim 3, it is characterised in that：The force-guided stem by reinforcing ring with
Hollow floating body is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048620.1U CN206378183U (en) | 2017-01-17 | 2017-01-17 | Buoyant equilibrium formula meausring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048620.1U CN206378183U (en) | 2017-01-17 | 2017-01-17 | Buoyant equilibrium formula meausring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378183U true CN206378183U (en) | 2017-08-04 |
Family
ID=59403698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720048620.1U Withdrawn - After Issue CN206378183U (en) | 2017-01-17 | 2017-01-17 | Buoyant equilibrium formula meausring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643996A (en) * | 2017-01-17 | 2017-05-10 | 丹东市蓝信电器有限公司 | Buoyancy balancing type weighting device |
-
2017
- 2017-01-17 CN CN201720048620.1U patent/CN206378183U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643996A (en) * | 2017-01-17 | 2017-05-10 | 丹东市蓝信电器有限公司 | Buoyancy balancing type weighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20220408 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20220408 |