CN102718144B - Hanger weighing sensor of container gantry crane - Google Patents
Hanger weighing sensor of container gantry crane Download PDFInfo
- Publication number
- CN102718144B CN102718144B CN201210206097.2A CN201210206097A CN102718144B CN 102718144 B CN102718144 B CN 102718144B CN 201210206097 A CN201210206097 A CN 201210206097A CN 102718144 B CN102718144 B CN 102718144B
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- CN
- China
- Prior art keywords
- elastic body
- pressing plate
- elastomer
- hanger
- gantry crane
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Abstract
The invention discloses a hanger weighing sensor of a container gantry crane. The hanger weighing sensor comprises a pressing plate, an elastomer, a base plate and a resistance strain gauge provided with a sensor connector. The hanger weighing sensor is characterized in that a roller shaft is disposed between the elastomer and the pressing plate. The roller shaft is an end bearing with a conical ball disposed on a bearing support. The roller shaft is disposed in a groove of the elastomer. The pressing plate is disposed on the roller shaft and is sleeved to the elastomer. The base plate is disposed on a shaft sleeve and is sleeved to the elastomer. The elastomer is spherically supported in a round hole and is in point contact with the base plate. The resistance strain gauge is disposed on a sensing plane on one side of the elastomer and output strain signals through the sensor connector so as to finish real-time weighing of a container. Compared with the prior art, the hanger weighing sensor has the self-aligning bearing and is fine in repeatability, accurate in weighing, convenient to maintain and high in precision, and repeatability precision and accuracy are achieved. In addition the hanger weighing sensor is simple in structure, convenient to mount and low in manufacture cost, and is especially suitable for weighing of the container gantry crane for a port and a dock.
Description
Technical field
The present invention relates to weight sensing technology field, especially a kind of suspender LOAD CELLS for container gantry crane.
Background technology
At present, mostly harbour generally adopts electronic car weigher to complete weighing of freight container, and this Weighing mode exists the drawback such as have high input, expense is high, working out is large, the more important thing is that measuring accuracy is low, poor stability, metering is inaccurate, heavy damage the relevant benefits such as state tax revenue.
The LOAD CELLS of prior art is generally comprised of the fixed part at middle crossbeam and two ends, and the supporting body that crossbeam is weight because, the upper surface of beam surface upper and fixed part is on a horizontal surface, thereby has limited the sensitivity of sensor.In order to make the highly sensitive of sensor, need to control the thickness of crossbeam, and then have influence on again the problems such as elastomeric undercapacity.
Notification number is that the < < of CN2638543Y is moistureproof, dustproof Weight sensor assembly > > patent, comprise pedestal, and be placed on the load transducer on pedestal, steel ball and steel ball load bearing seat, steel ball load bearing seat comprises upper end load bearing seat and lower end load bearing seat, lower end reach is arranged on load transducer top, and on upper end load bearing seat and lower end load bearing seat, steel ball is placed in lower clamping, keep steel ball and upper, the lower load bearing seat rolling relation that contacts, and on this, the peripheral closely flexure member of a sheathed hollow of locating between the load bearing seat of lower end, steel ball is avoided contacting with the external world like this, preventing that dust from entering has influence on survey precision, this sensor device transmits weight signal by steel ball, keep higher survey precision, shortcoming is that the required part of assembling is more, and setting accuracy is had relatively high expectations, manufacturing cost is high.
Summary of the invention
The suspender LOAD CELLS that the object of the invention is a kind of container gantry crane of designing for the deficiencies in the prior art, it adopts the carrying structure of 3 bulbs supports and end face bearing, be convenient to carry automatic aligning, the distortion in strain region is rationally concentrated, sensor repeatability and load-carrying capacity have greatly been improved, have highly sensitive, weigh accurately, the feature of good stability, and low cost of manufacture, installation and use are all very convenient, the use of weighing of the container gantry crane of especially applicable port and pier.
The object of the present invention is achieved like this: a kind of suspender LOAD CELLS of container gantry crane, comprise pressing plate, elastic body, backing plate and be provided with the resistance strain gauge of sensor connector, resistance strain gauge is fixedly installed on elastic body, pressing plate and backing plate are set in elastomeric upper/lower terminal face, be characterized in being provided with roll shaft between elastic body and pressing plate, described elastic body is the discoid load member that is provided with groove, boss, axle sleeve and induction planes; Described elastomeric upper surface is provided with trapezoid platform and groove; Described elastomeric lower surface is provided with boss, and described boss is provided with spherical support; Described induction planes is the gap being arranged on elastic body outside; Described roll shaft is the end face bearing that taper ball is set on bearing frame; Described pressing plate is the ring-type plectane that is provided with upper shaft hole and flange, and described flange one side is provided with inclined-plane; Described backing plate is the ring-type plectane that is provided with lower shaft hole and round pool; Roll shaft is arranged in elastomeric groove, pressing plate is arranged on roll shaft and is set with elastomeric upper surface, backing plate is arranged on axle sleeve and is set with elastomeric lower surface, elastic body take spherical support in round pool with backing plate as contacting, resistance strain gauge is fixedly installed on the induction planes in elastic body outside strain signal is exported by sensor connector.
Described trapezoid platform, groove, boss and axle sleeve and elastic body are concentric circles setting.
Described spherical support and round pool are several and corresponding setting.
The present invention compared with prior art has the feature that aligning carries, reproducible, accurate measurement is accurate, easy to maintenance and precision is high, effectively solved the problem of repeatability, precision and accuracy, and simple in structure, low cost of manufacture, easy to install and use, be especially applicable to the use of weighing of the container gantry crane of port and pier.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is elastomer structure schematic diagram;
Fig. 3 is elastic body block diagram;
Fig. 4 is Fig. 2 birds-eye view;
Fig. 5 is end face bearing arrangement schematic diagram;
Fig. 6 is end face bearing block diagram;
Fig. 7 is pressure plate structure schematic diagram;
Fig. 8 is Fig. 7 birds-eye view;
Fig. 9 is backing structure schematic diagram;
Figure 10 is backing plate block diagram;
Figure 11 is the invention process illustration.
The specific embodiment
Consult accompanying drawing 1, the present invention is comprised of pressing plate 1, elastic body 3, backing plate 4 and the resistance strain gauge 5 that is provided with sensor connector 6, resistance strain gauge 5 is fixedly installed on elastic body 3 one sides, the upper/lower terminal face of elastic body 3 is set with pressing plate 1 and backing plate 4 respectively, between elastic body 3 and pressing plate 1, be provided with roll shaft 2, described elastic body 3 is for being provided with the discoid load member of groove 32, boss 33, axle sleeve 34 and induction planes 36; Described roll shaft 2 is for arranging the end face bearing of taper ball 22 on bearing frame 21; Described pressing plate 1 is for being provided with the ring-type plectane of upper shaft hole 11 and flange 12, and described flange 12 1 sides are provided with inclined-plane 13; Described backing plate 4 is for being provided with the ring-type plectane of lower shaft hole 41 and round pool 42; Roll shaft 2 is arranged in the groove 32 of elastic body 3, pressing plate 1 is arranged on roll shaft 2 and is set with the upper surface of elastic body 3, backing plate 4 is arranged on axle sleeve 34 and is set with the lower surface of elastic body 3, elastic body 3 be take spherical support 35 and is contacted as point with backing plate 4 in round pool 42, and resistance strain gauge 5 is fixedly installed on the induction planes 36 in elastic body 3 outsides strain signal is exported by sensor connector 6.
Consult accompanying drawing 2 ~ accompanying drawing 4, described elastic body 3 is for being provided with the discoid load member of groove 32, boss 33, axle sleeve 34 and induction planes 36, the upper surface of described elastic body 3 is provided with trapezoid platform 31 and groove 32, the lower surface of described elastic body 3 is provided with boss 33, described boss 33 is provided with three spherical support 35, described induction planes 36 is for being arranged on the gap on elastic body outside, and described trapezoid platform 31, groove 32, boss 33 and axle sleeve 34 and elastic body 3 are concentric circles setting.
Consult accompanying drawing 5 ~ accompanying drawing 6, described roll shaft 2 is for arranging the end face bearing of taper ball 22 on bearing frame 21.
Consult accompanying drawing 7 ~ accompanying drawing 8, described pressing plate 1 is for being provided with the ring-type plectane of upper shaft hole 11 and flange 12, and described flange 12 1 sides are provided with inclined-plane 13.
Consult accompanying drawing 9 ~ accompanying drawing 10, described backing plate 4 is for being provided with the ring-type plectane of lower shaft hole 41 and three round pools 42, and described round pool 42 is corresponding setting with spherical support 35.
Consult accompanying drawing 11, the present invention is arranged on container spreader and uses like this: by the lower shaft hole 41 of backing plate 4, the axle sleeve 34 of elastic body 3 and the upper shaft hole 11 of pressing plate 1 are sleeved on the present invention on the bearing pin 7 of container spreader, again the connecting rod on suspender 9 is sleeved on pressing plate 1 and is locked by nut 8 and bearing pin 7, bearing pin 7 is fixedly connected on container spreader, during container hoisting, will in the lifting eye of the termination insertion freight container of bearing pin 7, can lift by crane, in lifting container process, resistance strain gauge 5 carries out the processing of data by sensor connector 6 outputs for external device (computing machine) by the signal of elastic body 3 strains, completing in real time freight container accurately weighs.
Between elastic body 3 of the present invention and pressing plate 1, roll shaft 2 is set, there is good aligning carrying effect, increased load-carrying capacity, improved the safety of operation; The inclined-plane 13 of pressing plate 1 one sides is identical with the conical surface of ball 42 and tapering is consistent, has guaranteed that contact strength and the safety factor of external bearer parts is constant; The trapezoid platform 31 of elastic body 3 upper surfaces can guarantee that the distortion in strain region is more concentrated, elastic body 3 adopts the supported at three point form of spherical support 35, improved the repeatability of sensor, had the advantages that aligning carries, accurate measurement is accurate, easy to maintenance, precision is high.The present invention uses on the container gantry crane suspender of existing port and pier, can not change device structure and the mode of operation of original rubbertyred container gantry crane suspender, realization is carried out clear resolution to Container Weight, the axial pin type of existing harbour installation and the large shortcoming of poor repeatability, error that disc type exists have been eliminated completely, the gravimetric value that the present invention collects in the actual environment of weighing is very accurate, has effectively solved the problem of repeatability precision and accuracy in weighing process.
More than just the present invention is further illustrated, and not in order to limit this patent, all is the present invention's equivalence enforcement, within all should being contained in the claim scope of this patent.
Claims (3)
1.
oneplant the suspender LOAD CELLS of container gantry crane, comprise pressing plate, elastic body, backing plate and be provided with the resistance strain gauge of sensor connector, resistance strain gauge is fixedly installed on elastic body, pressing plate and backing plate are set in elastomeric upper/lower terminal face, it is characterized in that being provided with roll shaft between elastic body and pressing plate, described elastic body is the discoid load member that is provided with groove, boss, axle sleeve and induction planes; Described elastomeric upper surface is provided with trapezoid platform and groove; Described elastomeric lower surface is provided with boss, and described boss is provided with spherical support; Described induction planes is the gap being arranged on elastic body outside; Described roll shaft is the end face bearing that taper ball is set on bearing frame; Described pressing plate is the ring-type plectane that is provided with upper shaft hole and flange, and described flange one side is provided with inclined-plane; Described backing plate is the ring-type plectane that is provided with lower shaft hole and round pool; Roll shaft is arranged in elastomeric groove, pressing plate is arranged on roll shaft and is set with elastomeric upper surface, backing plate is arranged on axle sleeve and is set with elastomeric lower surface, elastic body take spherical support in round pool with backing plate as contacting, resistance strain gauge is fixedly installed on the induction planes in elastic body outside strain signal is exported by sensor connector.
2. the suspender LOAD CELLS of container gantry crane according to claim 1, is characterized in that described trapezoid platform, groove, boss and axle sleeve and elastic body are concentric circles setting.
3. the suspender LOAD CELLS of container gantry crane according to claim 1, is characterized in that described spherical support and round pool are several and corresponding setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206097.2A CN102718144B (en) | 2012-06-21 | 2012-06-21 | Hanger weighing sensor of container gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206097.2A CN102718144B (en) | 2012-06-21 | 2012-06-21 | Hanger weighing sensor of container gantry crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102718144A CN102718144A (en) | 2012-10-10 |
| CN102718144B true CN102718144B (en) | 2014-03-12 |
Family
ID=46944057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210206097.2A Expired - Fee Related CN102718144B (en) | 2012-06-21 | 2012-06-21 | Hanger weighing sensor of container gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102718144B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007143838A1 (en) * | 2006-06-12 | 2007-12-21 | Simons Gerald S | Low profile load cell |
| US20080006450A1 (en) * | 2006-07-05 | 2008-01-10 | Simons Gerald S | Load Cell Having A Base With A Curved Surface |
| EP2288888A4 (en) * | 2008-05-29 | 2012-10-10 | Weigh Point Inc | Load-cell system |
| CN202265324U (en) * | 2011-08-02 | 2012-06-06 | 上海鹏沣电气科技有限公司 | Container crane weighing and metering system with disc type sensor |
| CN202625640U (en) * | 2012-06-21 | 2012-12-26 | 上海港帝电气有限公司 | Lifting appliance weighing transducer of gantry container crane |
-
2012
- 2012-06-21 CN CN201210206097.2A patent/CN102718144B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102718144A (en) | 2012-10-10 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20170621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |