CN85203327U - Suspending force-transmitting mechanism for balance - Google Patents
Suspending force-transmitting mechanism for balance Download PDFInfo
- Publication number
- CN85203327U CN85203327U CN 85203327 CN85203327U CN85203327U CN 85203327 U CN85203327 U CN 85203327U CN 85203327 CN85203327 CN 85203327 CN 85203327 U CN85203327 U CN 85203327U CN 85203327 U CN85203327 U CN 85203327U
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- CN
- China
- Prior art keywords
- force
- force transmission
- bent axle
- supporting body
- transmission mechanism
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- 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.)
- Ceased
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a driving mechanism, mainly comprising a driving shaft, a plate ring, a crankshaft, regulating screws, locking nuts, etc. The carrying force of the driving mechanism is applied to a force delivery shaft via a specially designed load bearing frame, and then the force is led into a force transducer through the plate ring, the crankshaft and the regulating screws. The utility model mainly aims at providing a force delivery mechanism which has the following characteristics and functions; with simple structure and easy process and installation, the force delivery mechanism can weigh with high precision, rapidly obtain stable weighing value, and compensate the power pivot transfer of the active force to the force transducer by a supporting body due to load or environment and temperature changes; the supporting body can swing horizontally, which can prevent rolling load dashing the force transducer and a base when enters into, gets out of and brakes on the supporting body.
Description
Suspension type force transmission mechanism of the present utility model and various force transducer coupling: mainly be suitable for the electronic-weighing field in the metrological testing technology, for example electronic vehicle weighing apparatus, electronic track scale, electronic platform scale, electronics tank scale etc.Also be applicable to similar dynamometry field.
At present, in the electronic-weighing field, as the intermediate that loading force is imported to force transducer by supporting body (for example weighing platform, oil tank etc.), mainly according to the difference of used force transducer structure, the power transmission method of force transmission mechanism has direct loading mode and indirect loading mode.Directly the loading mode is that load gravity with supporting body directly imports force transducer via simple " pressure head ", many and pressure type force transducer coupling; Simple in structure, but precision is low, the technology that the is used for low precision field of weighing more.Indirectly the loading mode many with pull-type force transducer coupling, weighing precision is higher, can be used for the commerce field of weighing; But the complex structure of this loading mode, it is big to take up room, and the stabilization time that instrument shows is long.
The scale that the utility model proposes belongs to indirect loading mode with novel suspending formula force transmission mechanism, its objective is that acquisition is a kind of simple in structure, and processing and mounting process are good, is convenient to adjust and safeguard, and can realizes the force transmission mechanism of high-precision weighing and dynamometry.
Another purpose of the present utility model be the compensation supporting body since during load flexural deformation brought to the transfer in the acting force force of force transducer.
Another purpose of the present utility model be the compensation supporting body since the length (major axis and minor axis) that causes of variation of ambient temperature change brought to the transfer in the acting force force of force transducer.
Another purpose of the present utility model is when rolling load (for example automobile) turnover supporting body (for example weighing platform) or braking and when producing side force on supporting body, whole physical construction (comprising load) center of gravity is raise, and produce a rightabout cross component force, thereby can make mechanism return to the original equilibrium position.
Another purpose of the present utility model be with the situation of shearing force transducer coupling under, make the output valve of the unlikely influence power sensor of the little swing of supporting body, thereby when supporting body stops swinging as yet, can not obtain stable weighing value apace.
Another purpose of the present utility model is to reduce rolling load turnover supporting body, the impact that is produced when particularly braking on supporting body, thereby but protection sensor and basis.
This force transmission mechanism (Fig. 1) mainly 6 etc. is not made up of force transmission shaft 1, plate ring 2, bent axle 4, set screw 5 and locking screw.Loading force F is applied to the two ends of force transmission shaft 1 via custom-designed bearing frame, and respectively having up and down through force transducer 3 and bearing both sides thereof a pair of then, the plate ring 2 of two hyperboloid circular holes is delivered to power on the bent axle 4; There is threaded hole at the bent axle middle part, matches with set screw 5; The height that set screw adjustable carrier body is four jiaos, a sphere is arranged at its bottom, and power is imported force transducer 3.
In sum, the route of loading force importing force transducer is as follows:
Load → bearing frame → force transmission shaft → plate ring → bent axle → set screw → force transducer.
Force transmission shaft (Fig. 2) is a symmetrical member, and respectively there is a facet 1 at two ends, accepts the loading force that is imported force transmission mechanism by bearing frame.In faceted inboard, a hyperboloid shaft part 2 is respectively arranged, its central moment L is consistent with the central moment L of two hyperboloid shaft parts 1 of bent axle (Fig. 4), corresponding diameter D
1With fillet R
1Size also all consistent, but with the corresponding size D of plate ring (Fig. 3)
2, R
2Different.Totally 2 on plate ring, every all has up and down totally two hyperbolic faces 1, links with bent axle and force transmission shaft respectively.The aperture D of plate ring
2Should be than bent axle and the corresponding diameter of axle D of force transmission shaft
1Bigger, so that installation and maintenance; Its fillet R
2Respectively than bent axle and the corresponding fillet R of force transmission shaft
1Smaller, to guarantee its dirigibility along the curved surface swing of axle.Fillet R
1And R
2Size should calculate according to contact stress.(Fig. 5 a b) should pack in the threaded hole 2 of bent axle (Fig. 4), and screw set screw in advance.Generally speaking, the plane 2 of set screw and the plane 3 of bent axle are fit together tightly, to reduce sluggish error.Sphere 1 can be that (as Fig. 5 a), also can be concave spherical surface (as Fig. 5 b), loading force imports force transducer through it to protruding sphere.In order to make mechanism under the horizontal external effect, can produce swing, and after horizontal external disappears, can automatically return to the original equilibrium position, the force transmission mechanism after the assembling (Fig. 1) must guarantee sphere 1(Fig. 5 a, the b that set screw contacts with force transducer) the bottom be higher than hyperboloid shaft part 1(Fig. 4 of bent axle) summit (contact point of plate ring and bent axle).
With the force transducer of this force transmission mechanism coupling be the fastening spoke pressure type force transducer (imported by sphere 1 by dynamometry P, see Fig. 7) of the cantilevered force transducer (being imported by facet 1) that shelves at the shearing beam type two ends of resistance-strain principle and fixing bridge-type force transducer (Fig. 6) or an end are fastening or circumference and the force transducer of other various types by dynamometry P.These force transducers have the lateral force resistance ability mostly and export characteristics such as insensitive and easy for installation, reliable by force and to side force.
Claims (3)
1, scale of the present utility model mainly is suitable for electronic-weighing field and similar dynamometry field in the metrological testing technology with suspension type force transmission mechanism and multiple force transducer coupling.Many with the constitutional detail of existing high precision force transmission mechanism, the manufacturing process complexity is debug inconvenience and is compared, and force transmission mechanism of the present utility model has simple in structure, and good manufacturability is debug characteristics such as convenient; Its architectural feature is that the suffered loading force of supporting body is imported by the force transmission shaft of mechanism bottom, is delivered to the two ends of bent axle on a pair of plate hoop, and the set screw through screwing in the bent axle middle part imports force transducer again; Supporting body can freely swing on (vertical and horizontal) in the horizontal direction within the specific limits.
2, scale according to claim 1 suspension type force transmission mechanism, the force transmission shaft of its component part and bent axle have the hyperboloid shaft part of two same diameter and identical fillet respectively; Two plate rings respectively have two identical hyperbolic faces, connect with force transmission shaft and the corresponding hyperboloid shaft part of bent axle respectively.
3, scale according to claim 1 suspension type force transmission mechanism, after the bent axle of its component part and set screw screwed, the bottom of set screw sphere should be higher than the summit of the hyperboloid shaft part of bent axle.Set screw can be protruding sphere, also can be concave spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85203327 CN85203327U (en) | 1985-08-12 | 1985-08-12 | Suspending force-transmitting mechanism for balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85203327 CN85203327U (en) | 1985-08-12 | 1985-08-12 | Suspending force-transmitting mechanism for balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85203327U true CN85203327U (en) | 1986-06-18 |
Family
ID=4798915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85203327 Ceased CN85203327U (en) | 1985-08-12 | 1985-08-12 | Suspending force-transmitting mechanism for balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85203327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680077A (en) * | 2016-11-29 | 2017-05-17 | 湖北三江航天红阳机电有限公司 | Hanging point testing device and method |
-
1985
- 1985-08-12 CN CN 85203327 patent/CN85203327U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680077A (en) * | 2016-11-29 | 2017-05-17 | 湖北三江航天红阳机电有限公司 | Hanging point testing device and method |
| CN106680077B (en) * | 2016-11-29 | 2020-04-21 | 湖北三江航天红阳机电有限公司 | Hoisting point test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right | ||
| CE01 | Termination of patent right |
Termination date: 19861231 |