CN108254047A - A kind of pneumatic weighing device - Google Patents
A kind of pneumatic weighing device Download PDFInfo
- Publication number
- CN108254047A CN108254047A CN201611248722.4A CN201611248722A CN108254047A CN 108254047 A CN108254047 A CN 108254047A CN 201611248722 A CN201611248722 A CN 201611248722A CN 108254047 A CN108254047 A CN 108254047A
- Authority
- CN
- China
- Prior art keywords
- piston
- piston cylinder
- cylinder
- boit
- annular stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 22
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000691 measurement method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G5/00—Weighing apparatus wherein the balancing is effected by fluid action
- G01G5/006—Weighing apparatus wherein the balancing is effected by fluid action with pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G5/00—Weighing apparatus wherein the balancing is effected by fluid action
- G01G5/003—Weighing apparatus wherein the balancing is effected by fluid action load-cell construction or mountings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of pneumatic weighing devices, including meausring apparatus and feeder, the meausring apparatus includes a piston cylinder, piston is movably installed in piston cylinder, and piston is connected with piston boit, piston boit is extended on the outside of the upper end of piston cylinder, and sealing ring is cased on the outside of piston, determinand is placed on weighing plate by the present invention, baroceptor measures pressure change at this time, it can realize that the weight of determinand calculates in this way, this measurement method is without complicated mechanical structure, therefore it is safer for the measurement of dangerous material, the annular stop circle of protrusion is installed on the outer wall of piston boit simultaneously, and the upper surface of piston cylinder is equipped with the limit protrusion opposite with annular stop circle, overweight determinand can be avoided the occurrence of using limit protrusion and annular stop circle to damage equipment.
Description
Technical field
The present invention relates to weighing device, specifically a kind of pneumatic weighing device.
Background technology
Meausring apparatus has mechanical weighing device and electrical type weighing device at present, since the measurement for dangerous material comes
It says, existing electronic device is likely to result in the situation of inflammable thing burning and explosion, for mechanical equipment,
Its precision and complexity are denounced by user, therefore are difficult to meet practical use demand.
Invention content
The purpose of the present invention is to provide a kind of pneumatic weighing device, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：
A kind of pneumatic weighing device, including meausring apparatus and feeder, the meausring apparatus includes a piston cylinder, piston cylinder
Inside be movably installed with piston, and piston is connected with piston boit, piston boit is extended on the outside of the upper end of piston cylinder, by piston cylinder,
Piston and piston boit form piston structure, and sealing ring is cased on the outside of piston, so as to ensure the airtight of entire piston structure
Property；The inner cavity of the piston cylinder is connected with gas tube, and air inlet of the gas tube in piston cylinder inner cavity is located at the lower section of piston
Position is equipped with pressure regulation air valve on gas tube, and pressure regulation air valve is utilized to realize the air pressure adjustment of piston cylinder inner cavity；The piston cylinder
Intracavity bottom is equipped with baroceptor, and baroceptor connects the pressure transmitter on the outside of piston cylinder by conducting wire, utilizes
Baroceptor realizes the measurement of barometric information；Weighing plate is installed at the top of the piston boit, by the way that determinand is put
On weighing plate, baroceptor measures pressure change at this time, can realize that the weight of determinand calculates in this way；The piston boit
Outer wall on be installed with the annular stop circle of protrusion, and the upper surface of piston cylinder is equipped with the limiting opposite with annular stop circle
Protrusion can avoid the occurrence of overweight determinand using limit protrusion and annular stop circle and equipment is damaged.
As further embodiment of the present invention：The inner cavity of the piston cylinder is also communicated with relief tube, and the end of relief tube
Relief valve is installed, relief tube is located at the lower position of piston in the gas outlet of piston cylinder inner cavity.
As further scheme of the invention：Pressure gauge is also equipped on the gas tube, using pressure gauge convenient for real
The adjusting of existing initial pressure.
Compared with prior art, the beneficial effects of the invention are as follows：Determinand is placed on weighing plate by the present invention, at this time air pressure
Sensor measures pressure change, can realize that the weight of determinand calculates in this way, and this measurement method is without complicated machinery knot
Structure, thus it is safer for the measurement of dangerous material, while the annular limit of protrusion is installed on the outer wall of piston boit
Position circle, and the upper surface of piston cylinder is equipped with the limit protrusion opposite with annular stop circle, utilizes limit protrusion and annular stop
Circle can avoid the occurrence of overweight determinand and equipment is damaged.
Description of the drawings
Fig. 1 is a kind of structure diagram of pneumatic weighing device of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of pneumatic weighing device, including meausring apparatus and feeder, institute
It states meausring apparatus and includes a piston cylinder 1, be movably installed with piston, and piston is connected with piston boit 2 in piston cylinder 1, piston boit 2 prolongs
On the outside of the upper end for extending to piston cylinder 1, piston structure, and the outer sheath of piston are formed by piston cylinder 1, piston and piston boit 2
There is sealing ring, so as to ensure the air-tightness of entire piston structure；The inner cavity of the piston cylinder 1 is connected with gas tube 4, and inflates
Air inlet of the pipe 4 in 1 inner cavity of piston cylinder is located at the lower position of piston, is equipped with pressure regulation air valve 6 on gas tube 4, utilizes pressure regulation
Air valve 6 realizes the air pressure adjustment of 1 inner cavity of piston cylinder；The intracavity bottom of the piston cylinder 1 is equipped with baroceptor 9, and air pressure
Sensor 9 connects the pressure transmitter 10 in 1 outside of piston cylinder by conducting wire, and the survey of barometric information is realized using baroceptor 9
Amount；The top of the piston boit 2 is installed with weighing plate 3, by the way that determinand is placed on weighing plate, baroceptor at this time
9 measure pressure change, can realize that the weight of determinand calculates in this way；Protrusion is installed on the outer wall of the piston boit 2
Annular stop circle 11, and the upper surface of piston cylinder 1 be equipped with the limit protrusion 12 opposite with annular stop circle 11, utilize limit convex
It rises and annular stop circle 11 can avoid the occurrence of overweight determinand and equipment is damaged.
The inner cavity of the piston cylinder 1 is also communicated with relief tube 7, and the end of relief tube 7 is equipped with relief valve 8, relief tube 7
It is located at the lower position of piston in the gas outlet of 1 inner cavity of piston cylinder.
Pressure gauge 5 is also equipped on the gas tube 4, the adjusting of initial pressure is easy to implement using pressure gauge 5.
The present invention operation principle be：Determinand is placed on weighing plate, baroceptor 9 measures pressure change at this time,
It can realize that the weight of determinand calculates in this way, mechanical structure of this measurement method without complexity, therefore for dangerous material
It is safer for measurement, while the annular stop circle 11 of protrusion is installed on the outer wall of piston boit 2, and piston cylinder 1
Upper surface is equipped with the limit protrusion 12 opposite with annular stop circle 11, can be to avoid using limit protrusion and annular stop circle 11
There is overweight determinand to damage equipment.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (3)
1. a kind of pneumatic weighing device, including meausring apparatus and feeder, the meausring apparatus includes a piston cylinder, piston
Piston is movably installed in cylinder, and piston is connected with piston boit, piston boit is extended on the outside of the upper end of piston cylinder, and piston is outer
Side is cased with sealing ring；It is characterized in that, the inner cavity of the piston cylinder is connected with gas tube, and gas tube is in piston cylinder inner cavity
Air inlet is located at the lower position of piston, and pressure regulation air valve is equipped on gas tube；The intracavity bottom of the piston cylinder is equipped with gas
Pressure sensor, and baroceptor connects the pressure transmitter on the outside of piston cylinder by conducting wire, the top of the piston boit is fixed
Weighing plate is installed；The annular stop circle of protrusion is installed on the outer wall of the piston boit, and the upper surface of piston cylinder is set
There is the limit protrusion opposite with annular stop circle.
2. pneumatic weighing device according to claim 1, which is characterized in that the inner cavity of the piston cylinder is also communicated with pressure release
Pipe, and the end of relief tube is equipped with relief valve, relief tube is located at the lower position of piston in the gas outlet of piston cylinder inner cavity.
3. pneumatic weighing device according to claim 1, which is characterized in that be also equipped with pressure gauge on the gas tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248722.4A CN108254047A (en) | 2016-12-29 | 2016-12-29 | A kind of pneumatic weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248722.4A CN108254047A (en) | 2016-12-29 | 2016-12-29 | A kind of pneumatic weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254047A true CN108254047A (en) | 2018-07-06 |
Family
ID=62721516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611248722.4A Pending CN108254047A (en) | 2016-12-29 | 2016-12-29 | A kind of pneumatic weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924189A (en) * | 2020-07-30 | 2020-11-13 | 胡中大 | Assembly line weighing and packaging table with chain type plate scale |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU802807A1 (en) * | 1979-02-02 | 1981-02-07 | Харьковский Ордена Ленина Политех-Нический Институт Им. B.И.Ленина | Pneumatic weigher |
| CN1256218A (en) * | 1999-12-08 | 2000-06-14 | 高瞩宇 | Protector for vehicle or vibration bin weighing sensor |
| CN1851417A (en) * | 2006-05-23 | 2006-10-25 | 杨继新 | Weighing apparatus |
| CN202115911U (en) * | 2010-11-25 | 2012-01-18 | 软控股份有限公司 | Hopper scale |
| CN203069243U (en) * | 2013-01-12 | 2013-07-17 | 路汉芝 | Hydraulic weighing sensor for measuring hopper |
-
2016
- 2016-12-29 CN CN201611248722.4A patent/CN108254047A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU802807A1 (en) * | 1979-02-02 | 1981-02-07 | Харьковский Ордена Ленина Политех-Нический Институт Им. B.И.Ленина | Pneumatic weigher |
| CN1256218A (en) * | 1999-12-08 | 2000-06-14 | 高瞩宇 | Protector for vehicle or vibration bin weighing sensor |
| CN1851417A (en) * | 2006-05-23 | 2006-10-25 | 杨继新 | Weighing apparatus |
| CN202115911U (en) * | 2010-11-25 | 2012-01-18 | 软控股份有限公司 | Hopper scale |
| CN203069243U (en) * | 2013-01-12 | 2013-07-17 | 路汉芝 | Hydraulic weighing sensor for measuring hopper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924189A (en) * | 2020-07-30 | 2020-11-13 | 胡中大 | Assembly line weighing and packaging table with chain type plate scale |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |