CN203865868U - Weighting device for garbage bridge grabbing crane - Google Patents
Weighting device for garbage bridge grabbing crane Download PDFInfo
- Publication number
- CN203865868U CN203865868U CN201420164485.3U CN201420164485U CN203865868U CN 203865868 U CN203865868 U CN 203865868U CN 201420164485 U CN201420164485 U CN 201420164485U CN 203865868 U CN203865868 U CN 203865868U
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- CN
- China
- Prior art keywords
- crane
- reel
- grab bucket
- garbage
- coiling block
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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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a weighting device for a garbage bridge grabbing crane. The weighting device comprises a motor, a coiling block, a grab bucket and a crane electric instrument, and further comprises a reduction gear, wherein two ends of the coiling block are fixed through two bearing seats; the coiling block and the grab bucket are connected with each other in a symmetrical pulling manner through a steel wire; one end of the coiling block penetrates through the bearing seat to form a coiling block cantilevered shaft; the reduction gear and the coiling block cantilevered shaft are in output driving connection; the motor and the reduction gear are in input driving connection; a column-type sensor is connected at the bottom of the reduction gear; the column-type sensor and the crane electric instrument are in communication connection; the motor is arranged on the same side as the coiling block. The weighting device is simple and reasonable in structure, low in manufacturing cost and relatively simple in mounting and debugging, can solve the problem of weighting of the garbage bridge grabbing crane, lowers the cost, effectively improves the calculating accuracy, and can well meet the requirement of a garbage burning system.
Description
Technical field
The utility model relates to the grab crane Weighing technical field that garbage incinerating power plant is used, a kind of weighing system based on pillar pressure sensor of specific design.
Background technology
At present, along with the lifting for the treatment of of urban garbage amount, the grab crane demand that garbage incinerating power plant is used improves constantly.The control of automation degree of equipment and waste incineration amount requires also constantly to increase, through continuing to optimize with improved waste incineration line on the precision of special-purpose grab crane weighing system is constantly proposed to high request, from original 2-3%, bring up to 1%.In current existing technology, it is mainly the overload restriction system technology adopting on general-purpose overhead crane, precision only has 5%, for improving precision, have to adopt a plurality of sensors, restriction due to reasons such as a plurality of sensor locations, multiple power taking mode and cumulative calculation, its effect of weighing is unsatisfactory, and cost is higher.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and improve a kind of simple and reasonable for structure, low cost of manufacture, not only can solve the problem that garbage grab bucket crane in bridge type is weighed, and reduced cost, Installation and Debugging are comparatively simple, effectively improved measuring accuracy, are well positioned to meet refuse burning system requirement.
The utility model solves the technical scheme that its technical matters adopts:
Garbage grab bucket crane in bridge type weighting apparatus, comprise motor, reel, grab bucket and crane electronic scale instrument, reel two ends are fixed by diaxon bearing, between reel and grab bucket, by steel rope symmetry, socket, it is characterized in that, also comprise reductor, reel one end is extended with reel projecting shaft, reel projecting shaft forms to export to drive through bearing seat and reductor and connects, motor and the input of reductor formation are driven and are connect, reductor bottom is fixedly connected with column type sensor, and column type sensor is connected with the communication of crane electronic scale instrument, and motor and reel are arranged on the same side.
Garbage incinerating power plant is more and more wide in China's application at present, its reliability of garbage grab bucket crane in bridge type, cost performance as nucleus equipment are particularly important, the design of this weighting apparatus has larger beneficial effect as the important component part of such hoisting crane: be applied at present special-purpose rubbish crane in bridge type weighing system in garbage incinerating power plant and compare, this weighing system adopts pillar pressure sensor as the element of measuring, by " arm of force " (or claiming torque type) power taking version, can effectively improve measuring accuracy.System measuring accuracy error≤1% after tested, stationary value≤1.5%; Adopting its auxiliary equipment in this way simultaneously and select existing product, can reduce purchase cost and procurement cycle, is existing system through initial estimate cost 70%, and the manufacturing cycle reduces by 20 working days; Another this system more can adapt to this relatively rugged environment of garbage incinerating power plant, and reliability has improved.
Garbage grab bucket crane in bridge type weighting apparatus of the present utility model, needs gather and record rubbish net weight, weight etc. feeds intake, and accuracy requirement error amount≤1%, therefore adopted the version of pillar pressure sensor in conjunction with " force arm type dual " power taking, more for convenience, and power taking is accurate for this version installation and adjustment.
Garbage grab bucket crane in bridge type weighting apparatus of the present utility model, post press type sensor adopts " torque type " power taking mode, because motor and reel are arranged on the same side, steel rope is directly connected with grab bucket with motor side rope stretching from reel, guarantee column type sensor measuring accuracy, reel two ends adopt bearing block support, total pulling force T(grab bucket deadweight≤T≤rated load weight due to steel rope) reel being produced to moment of torsion M=T * R(R is reel radius), the extended reel projecting shaft in reel one end and reductor drive and connect, make reductor can regard one " rigid arm " as, " rigid arm " is subject to the effect along reel moment direction rotation power, at " rigid arm " correct position L(L, be the central axis distance of column type sensor and reel) locate to arrange column type sensor power taking, now sensor bears pure pressure N=M/L, by numerical value of N, can convert and draw the pressure rank that sensor can bear, join and select respective level, the sensor of parameter, so when reality is used, the parameter of all right preliminary election setting sensor, the numerical value of selected suitable sensor N, again according to N=M/L, calculate the accurate distance of L.
The utility model can also adopt following technical measures to solve:
Described grab bucket top bilateral symmetry is connected with two connectors, and each connector is connected with reel by two steel ropes.
Described column type sensor is connected with the communication of crane electronic scale instrument, is transferred to crane electronic scale instrument after column type sensor acquisition of signal, and the signal after collection is transferred to crane electronic scale instrument by profibus-DP or ethernet communication; Fast transport, convenient, exempt more connection, save cost.
The beneficial effects of the utility model are:
(1), garbage grab bucket crane in bridge type weighting apparatus of the present utility model, by " arm of force " (or claim torque type) power taking version, can effectively improve measuring accuracy.System measuring accuracy error≤1% after tested, stationary value≤1.5%; Adopting its auxiliary equipment in this way simultaneously and select existing product, can reduce purchase cost and procurement cycle, is existing system through initial estimate cost 70%, and the manufacturing cycle reduces by 20 working days; Another this system more can adapt to this relatively rugged environment of garbage incinerating power plant, and reliability has improved.
(2), garbage grab bucket crane in bridge type weighting apparatus of the present utility model, needs gather and record rubbish net weight, weight etc. feeds intake, and accuracy requirement error amount≤1%, therefore adopted the version of pillar pressure sensor in conjunction with " force arm type dual " power taking, more for convenience, and power taking is accurate for this version installation and adjustment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of another angle of the utility model.
Fig. 3 is the schematic diagram that the utility model is used state.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in figures 1 and 3, garbage grab bucket crane in bridge type weighting apparatus, comprise motor 1, reel 2, grab bucket 3 and crane electronic scale instrument 4, reel 2 two ends are fixing by diaxon bearing 5, between reel 2 and grab bucket 3, by steel rope 6 symmetries, socket, it is characterized in that, also comprise reductor 7, reel 2 one end are extended with reel projecting shaft 201, reel projecting shaft 201 drives and connects with reductor 7 formation outputs through bearing seat 5, motor 1 drives and connects with reductor 7 formation inputs, reductor 7 bottoms are fixedly connected with column type sensor 8, column type sensor 8 is connected with 4 communications of crane electronic scale instrument, and motor 1 is arranged on the same side with reel 2.
Garbage incinerating power plant is more and more wide in China's application at present, its reliability of garbage grab bucket crane in bridge type, cost performance as nucleus equipment are particularly important, the design of this weighting apparatus has larger beneficial effect as the important component part of such hoisting crane: be applied at present special-purpose rubbish crane in bridge type weighing system in garbage incinerating power plant and compare, this weighing system adopts pillar pressure sensor 8 as the element of measuring, by " arm of force " (or claiming torque type) power taking version, can effectively improve measuring accuracy.System measuring accuracy error≤1% after tested, stationary value≤1.5%; Adopting its auxiliary equipment in this way simultaneously and select existing product, can reduce purchase cost and procurement cycle, is existing system through initial estimate cost 70%, and the manufacturing cycle reduces by 20 working days; Another this system more can adapt to this relatively rugged environment of garbage incinerating power plant, and reliability has improved.
Garbage grab bucket crane in bridge type weighting apparatus of the present utility model, needs gather and record rubbish net weight, weight etc. feeds intake, and accuracy requirement error amount≤1%, therefore adopted the version of pillar pressure sensor 8 in conjunction with " force arm type dual " power taking, more for convenience, and power taking is accurate for this version installation and adjustment.
Garbage grab bucket crane in bridge type weighting apparatus of the present utility model, post press type sensor 8 adopts " torque type " power taking mode, because motor 1 and reel 2 are arranged on the same side, reductor 7 arranges relative opposite side, steel rope 6 is directly connected with grab bucket with motor 1 side rope stretching from reel 2, guarantee column type sensor 8 measuring accuracies, reel two ends adopt bearing seat 5 supportings, total pulling force T(grab bucket 3 deadweight≤T≤rated load weights due to steel rope 6) reel 2 being produced to moment of torsion M=T * R(R is reel radius), because bearing seat 5 those bearings of lie are very little to the resistance of reel 2, substantially can ignore, so even if the moment of torsion accuracy rate drawing is very high, the reel 2 extended reel projecting shafts 201 in one end are fixing with reductor 7, make reductor 7 can regard one " rigid arm " as, " rigid arm " is subject to the effect along reel 2 moment direction rotation power, at " rigid arm " correct position L(L, be the central axis distance of column type sensor 8 and reel 2) locate to arrange column type sensor power taking, now sensor bears pure pressure N=M/L.By numerical value of N, can convert and draw the pressure rank that sensor can bear, join the sensor that selects respective level, parameter, so when reality is used, the parameter of all right preliminary election setting sensor, the numerical value of selected suitable sensor N, then according to N=M/L, calculate the accurate distance of L.
More specifically embodiment as the present embodiment:
Described grab bucket 3 top bilateral symmetry are connected with two connectors 301, and each connector 301 is connected with reel by two steel ropes 6.
Described column type sensor 8 is connected with 4 communications of crane electronic scale instrument, and column type sensor 8 signals are transferred to crane electronic scale instrument 4 by profibus-DP or ethernet communication after gathering by AI analog acquisition box; By crane electronic scale instrument 4, transfer to computer and print again; Fast transport, convenient, exempt more connection, save cost.
Described weighing system forms parts precision and chooses requirement: post press type sensor is not less than 0.04%, and instrument is not less than 0.04%.
Above-described specific embodiment, is only the utility model preferred embodiment, and the equivalent arrangements of such as doing according to the utility model claim, all should be technology of the present utility model and contain.
Claims (3)
1. garbage grab bucket crane in bridge type weighting apparatus, comprise motor (1), reel (2), grab bucket (3) and crane electronic scale instrument (4), reel (2) two ends are fixing by diaxon bearing (5), between reel (2) and grab bucket (3), by steel rope (6) symmetry, socket, it is characterized in that, also comprise reductor (7), reel (2) one end is extended with reel projecting shaft (201), reel projecting shaft (201) drives and connects with the output of reductor (7) formation through bearing seat (5), motor (1) drives and connects with the input of reductor (7) formation, reductor (7) bottom is fixedly connected with column type sensor (8), column type sensor (8) is connected with crane electronic scale instrument (4) communication, and motor (1) is arranged on the same side with reel (2).
2. garbage grab bucket crane in bridge type weighting apparatus according to claim 1, is characterized in that, described grab bucket (3) top bilateral symmetry is connected with two connectors (301), and each connector (301) is connected with reel (2) by two steel ropes (6).
3. garbage grab bucket crane in bridge type weighting apparatus according to claim 1, is characterized in that, described column type sensor (8) is connected with crane electronic scale instrument (4) communication, after column type sensor (8) acquisition of signal, is transferred to crane electronic scale instrument 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164485.3U CN203865868U (en) | 2014-04-04 | 2014-04-04 | Weighting device for garbage bridge grabbing crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164485.3U CN203865868U (en) | 2014-04-04 | 2014-04-04 | Weighting device for garbage bridge grabbing crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865868U true CN203865868U (en) | 2014-10-08 |
Family
ID=51646847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164485.3U Withdrawn - After Issue CN203865868U (en) | 2014-04-04 | 2014-04-04 | Weighting device for garbage bridge grabbing crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910287A (en) * | 2014-04-04 | 2014-07-09 | 广东永通起重机械实业有限公司 | Bridge grabbing crane weighing device for garbage |
| CN108675138A (en) * | 2018-08-01 | 2018-10-19 | 董庆林 | A kind of rubbish weighing device and its working method based on driving |
-
2014
- 2014-04-04 CN CN201420164485.3U patent/CN203865868U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910287A (en) * | 2014-04-04 | 2014-07-09 | 广东永通起重机械实业有限公司 | Bridge grabbing crane weighing device for garbage |
| CN103910287B (en) * | 2014-04-04 | 2015-12-16 | 广东永通起重机械实业有限公司 | A kind of garbage grab bucket crane in bridge type weighting apparatus |
| CN108675138A (en) * | 2018-08-01 | 2018-10-19 | 董庆林 | A kind of rubbish weighing device and its working method based on driving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |