CN105466530A - Hydraulic unbalance-loading prevention weighing sensor - Google Patents
Hydraulic unbalance-loading prevention weighing sensor Download PDFInfo
- Publication number
- CN105466530A CN105466530A CN201510874938.0A CN201510874938A CN105466530A CN 105466530 A CN105466530 A CN 105466530A CN 201510874938 A CN201510874938 A CN 201510874938A CN 105466530 A CN105466530 A CN 105466530A
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- Prior art keywords
- hydraulic cylinder
- hydraulic
- cock body
- elastic body
- connector
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/06—Means for damping oscillations, e.g. of weigh beams
- G01G23/08—Means for damping oscillations, e.g. of weigh beams by fluid means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a hydraulic unbalance-loading prevention weighing sensor, and the sensor comprises a first hydraulic cylinder, a first plug body, a second plug body, an elastic body, a transmitter, a second hydraulic cylinder, a protection housing, and a strain body. The first plug body is slidingly disposed in the first hydraulic cylinder, and is in sealed connection with an inner wall of the first hydraulic cylinder, thereby forming a first hydraulic cavity. The elastic body is installed at a side, far from the first hydraulic cavity, of the first plug body. The second plug body is installed at one end, far from the first plug body, of the elastic body, and the central line of the second plug body is located on an extension line of the central line of the elastic body. The second plug body is slidingly installed in the second hydraulic cylinder, and is in sealing fit with the inner wall of the second hydraulic cylinder to form a second cavity. Moreover, the second cavity is located at a side, far from the elastic body, of the second plug body. The strain bodies are installed at the periphery of the elastic body, and the protection housing is disposed on the elastic bodies. The transmitter is disposed on the protection housing, and the strain bodies are respectively in electrical connection with the transmitter. The sensor can improve the capability of resisting unbalance loading.
Description
Technical field
The present invention relates to weight sensing technology field, particularly relate to a kind of hydraulic pressure anti-bias load LOAD CELLS.
Background technology
In modern industry produces especially automated production process, detect the parameters in production run by various LOAD CELLS, make equipment be operated in normal condition or optimum condition, and make product reach best quality.
In the course of work of LOAD CELLS, the center (namely during unbalance loading) of weighing apparatus is departed from the position of usually placing due to measured object and the detection that causes is inaccurate or the problems such as overlong time of weighing.Its main cause is, during unbalance loading, because the elastic body in sensor is due to discontinuity, the deformation quantity along gravity direction on diverse location is different, thus the signal causing foil gauge to produce is inaccurate.
Summary of the invention
Based on the technical matters that background technology exists, the present invention proposes a kind of hydraulic pressure anti-bias load LOAD CELLS.
A kind of hydraulic pressure anti-bias load LOAD CELLS that the present invention proposes, comprises the first hydraulic cylinder, the first cock body, the second cock body, elastic body, transmitter, the second hydraulic cylinder, containment vessel and multiple response body;
First cock body is slidably arranged in the first hydraulic cylinder, and is connected with the first hydraulic cylinder inner wall sealing, forms the first hydraulic cavities; Second cock body is slidably arranged in the second hydraulic cylinder, and coordinates formation second hydraulic cavities with the second hydraulic cylinder inner wall sealing; Elastic body one end connects the first cock body, and the other end connects the second cock body;
The center line of the center line of the first cock body, elastomeric axis and the second cock body is all located on the same line;
Containment vessel comprises internal layer shell and outer casing, and outer casing one end is connected with the first cock body, and the other end is sleeved on internal layer shell; Internal layer shell is arranged on the second cock body away from one end of the first cock body, is slidably connected between internal layer shell with outer casing; Internal layer shell is sleeved on elastomeric periphery, and multiple response body is installed on elastomeric periphery;
Outer casing is provided with through hole, and transmitter is arranged on this through hole; Multiple response body is all electrically connected with transmitter.
Preferably, also comprise the first connector and the second connector, the first connector is arranged on the first hydraulic cylinder, and the second connector is arranged on the second hydraulic cylinder.
Preferably, the first connector and the second connector are equipped with screw thread.
Preferably, multiple response body distributes along the even circumferential perpendicular to elastic body center line.
Preferably, the mid point of each response body is all positioned at elastic body perpendicular on the plane of symmetry of its axis.
Preferably, the through hole on containment vessel is long waist shaped hole, and its length direction is parallel with containment vessel centerline direction.
Preferably, internal layer shell and outer casing are cylindrical shape.
Compared with prior art, the present invention has following beneficial effect:
A kind of hydraulic pressure anti-bias load LOAD CELLS disclosed in this invention, coordinated with the first cock body by the first hydraulic cylinder, second hydraulic cylinder coordinates with the second cock body and forms the first hydraulic cavities and the second hydraulic cavities respectively, all be contained with hydraulic oil in first hydraulic cavities and the second hydraulic cavities, and elastic body is arranged between the first cock body and the second cock body.The pressure uniform of the hydraulic oil that the first cock body is subject to is distributed on the surface of contact of the first cock body and hydraulic oil, the pressure uniform of the hydraulic oil that the second cock body is subject to is distributed on the surface of contact of the second cock body and hydraulic oil, thus ensure that elastic body two ends are under pressure and be uniformly distributed, make elastic body all equal along the deflection on its axis direction, improve its offset load resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydraulic pressure anti-bias load LOAD CELLS provided by the invention;
Fig. 2 is containment vessel and the response body installation site schematic diagram of a kind of hydraulic pressure anti-bias load LOAD CELLS provided by the invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of a kind of hydraulic pressure anti-bias load LOAD CELLS provided by the invention, and Fig. 2 is containment vessel and the response body installation site schematic diagram of a kind of hydraulic pressure anti-bias load LOAD CELLS provided by the invention.Comprise the first hydraulic cylinder 1, first cock body 2, second cock body 3, elastic body 4, transmitter 5, second hydraulic cylinder 6, containment vessel 7, response body 8, first connector 9 and the second connector 10.
First cock body 2 is slidably installed in the first hydraulic cylinder 1, and is connected with the first hydraulic cylinder 1 inner wall sealing, forms the first hydraulic cavities.Elastic body 4 is arranged on the side of the first cock body 2 away from the first hydraulic cavities.
Second cock body 3 is slidably arranged in the second hydraulic cylinder 6, and coordinates formation second hydraulic cavities with the second hydraulic cylinder 6 inner wall sealing.Elastic body 4 is connected with the second cock body 3 away from one end of the first cock body 2, and elastic body 4 is positioned at the side of the second cock body 3 away from the second hydraulic cavities.The center line of the center line of the first cock body 2, the axis of elastic body 4 and the second cock body 3 is all located on the same line.So, the first hydraulic cavities for the first cock body 2 pressure perpendicular and be uniformly distributed in the first cock body 2 and the surface of contact of hydraulic oil, make pressure along the centerline direction of the first cock body 2.Second hydraulic cavities for the second cock body 3 pressure perpendicular and be uniformly distributed in the second cock body 2 with on the surface of contact of hydraulic oil, make pressure along the centerline direction of the first cock body 2.Thus ensure that the uniform force of two elastic bodys 4 on same cross section, thus ensure that elastic body 4 amount of elastic deformation is on their outer circumference equal everywhere.In addition, the first hydraulic cylinder 1, second hydraulic cylinder 2 produces acting force by hydraulic oil to elastic body, because hydraulic oil has certain absorbing effect, therefore, it is possible to cushion the vibration in weighing process, improves the anti-vibration ability of LOAD CELLS.
In present embodiment, the first connector 9 and the second connector 10, first connector 9 are arranged on the first hydraulic cylinder 1, and the second connector 10 is arranged on the second hydraulic cylinder 6.First connector 9 and the second connector 10 are equipped with screw thread.During concrete enforcement, the screw thread on the first connector 9 is positioned at its one end away from the first hydraulic cylinder 1.Screw thread on second connector 10 is positioned at its one end away from the second hydraulic cylinder 6.
Multiple response body 8 is installed on the periphery of elastic body 4.Multiple response body 8 distributes along the even circumferential perpendicular to elastic body 4 center line.The mid point of each response body 8 is all positioned at elastic body 4 perpendicular on the plane of symmetry of its axis.Containment vessel 7 comprises internal layer shell 701 and outer casing 702, and outer casing 702 one end is connected with the first cock body 2, and the other end is sleeved on internal layer shell.Internal layer shell 701 is arranged on the second cock body 3 away from one end of the first cock body 2.Internal layer shell 701 is sleeved on the periphery of elastic body 4, and elastic body 4 is positioned at internal layer shell 701, is slidably connected between internal layer shell 701 with outer casing 702.Internal layer shell 701 and outer casing 702 are cylindrical shape.By arranging containment vessel 7 between the first cock body 2 and the second cock body 3, can protect elastic body 4 wherein and response body 8, extending its life-span.Containment vessel 7 is double-deck to arrange and can relative sliding, can prevent from producing at elastic body 4 error produced because containment vessel 7 also bears pressure in the process of deformation.
Outer casing 702 is provided with through hole, and transmitter 5 is arranged on this through hole.Multiple response body 8 is all electrically connected with transmitter 5.Through hole on outer casing 702 is long waist shaped hole, and the length direction in this long waist shaped hole is parallel with containment vessel 7 centerline direction.So, when elastic body 4 is under pressure, together can there is deformation with it in response body 8, and then produce pressure signal, and by transmitter 5, this signal is converted into the discernible signal of external unit.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a hydraulic pressure anti-bias load LOAD CELLS, it is characterized in that, comprise the first hydraulic cylinder (1), the first cock body (2), the second cock body (3), elastic body (4), transmitter (5), the second hydraulic cylinder (6), containment vessel (7) and multiple response body (8);
First cock body (2) is slidably arranged in the first hydraulic cylinder (1), and is connected with the first hydraulic cylinder (1) inner wall sealing, forms the first hydraulic cavities; Second cock body (3) is slidably arranged in the second hydraulic cylinder (6), and coordinates formation second hydraulic cavities with the second hydraulic cylinder (6) inner wall sealing; Elastic body (4) one end connects the first cock body (2), and the other end connects the second cock body (3);
The center line of the center line of the first cock body (2), the axis of elastic body (4) and the second cock body (3) is all located on the same line;
Containment vessel (7) comprises internal layer shell (701) and outer casing (702), and outer casing (702) one end is connected with the first cock body (2), and the other end is sleeved on internal layer shell; Internal layer shell (701) is arranged on the second cock body (3) away from one end of the first cock body (2), is slidably connected between internal layer shell (701) with outer casing (702); Internal layer shell (701) is sleeved on the periphery of elastic body (4), and multiple response body (8) is installed on the periphery of elastic body (4);
Outer casing (702) is provided with through hole, and transmitter (5) is arranged on this through hole; Multiple response body (8) is all electrically connected with transmitter (5).
2. hydraulic pressure anti-bias load LOAD CELLS according to claim 1, it is characterized in that: also comprise the first connector (9) and the second connector (10), first connector (9) is arranged on the first hydraulic cylinder (1), and the second connector (10) is arranged on the second hydraulic cylinder (6).
3. hydraulic pressure anti-bias load LOAD CELLS according to claim 2, is characterized in that: the first connector (9) and the second connector (10) are equipped with screw thread.
4. hydraulic pressure anti-bias load LOAD CELLS according to claim 1, is characterized in that: multiple response body (8) distributes along the even circumferential perpendicular to elastic body (4) center line.
5. hydraulic pressure anti-bias load LOAD CELLS according to claim 4, is characterized in that: the mid point of each response body (8) is all positioned at elastic body (4) perpendicular on the plane of symmetry of its axis.
6. hydraulic pressure anti-bias load LOAD CELLS according to claim 1, it is characterized in that: the through hole on containment vessel (7) is long waist shaped hole, and its length direction is parallel with containment vessel (7) centerline direction.
7. hydraulic pressure anti-bias load LOAD CELLS according to claim 1, is characterized in that: internal layer shell (701) and outer casing (702) are cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874938.0A CN105466530B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic pressure anti-bias load weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874938.0A CN105466530B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic pressure anti-bias load weighing sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105466530A true CN105466530A (en) | 2016-04-06 |
| CN105466530B CN105466530B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510874938.0A Active CN105466530B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic pressure anti-bias load weighing sensor |
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| Country | Link |
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| CN (1) | CN105466530B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146728A (en) * | 2020-10-26 | 2020-12-29 | 西安矽微电子科技有限公司 | Weighing sensor |
| CN115452142A (en) * | 2022-11-11 | 2022-12-09 | 山东金人电气有限公司 | Mechanical vibration measuring equipment for high-voltage reactive power compensation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147064U (en) * | 1975-05-19 | 1976-11-25 | ||
| CN1912553A (en) * | 2006-08-26 | 2007-02-14 | 中国矿业大学 | Buffer type hydraulic weighing device |
| CN200979453Y (en) * | 2006-11-22 | 2007-11-21 | 江苏省计量测试技术研究所 | A weight measurement detector with controllable double hydraulic load mechanism |
| CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
| CN202101753U (en) * | 2011-07-06 | 2012-01-04 | 煤炭工业济南设计研究院有限公司 | Hydraulic buffering type automatic weighing apparatus |
-
2015
- 2015-11-30 CN CN201510874938.0A patent/CN105466530B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147064U (en) * | 1975-05-19 | 1976-11-25 | ||
| CN1912553A (en) * | 2006-08-26 | 2007-02-14 | 中国矿业大学 | Buffer type hydraulic weighing device |
| CN200979453Y (en) * | 2006-11-22 | 2007-11-21 | 江苏省计量测试技术研究所 | A weight measurement detector with controllable double hydraulic load mechanism |
| CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
| CN202101753U (en) * | 2011-07-06 | 2012-01-04 | 煤炭工业济南设计研究院有限公司 | Hydraulic buffering type automatic weighing apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146728A (en) * | 2020-10-26 | 2020-12-29 | 西安矽微电子科技有限公司 | Weighing sensor |
| CN112146728B (en) * | 2020-10-26 | 2024-04-30 | 西安矽微电子科技有限公司 | Weighing sensor |
| CN115452142A (en) * | 2022-11-11 | 2022-12-09 | 山东金人电气有限公司 | Mechanical vibration measuring equipment for high-voltage reactive power compensation device |
| CN115452142B (en) * | 2022-11-11 | 2023-03-10 | 山东金人电气有限公司 | Mechanical vibration measuring equipment for high-voltage reactive power compensation device |
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| Publication number | Publication date |
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| CN105466530B (en) | 2018-06-08 |
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