CN204096974U - A kind of crane torque limiter - Google Patents
A kind of crane torque limiter Download PDFInfo
- Publication number
- CN204096974U CN204096974U CN201420500393.8U CN201420500393U CN204096974U CN 204096974 U CN204096974 U CN 204096974U CN 201420500393 U CN201420500393 U CN 201420500393U CN 204096974 U CN204096974 U CN 204096974U
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- China
- Prior art keywords
- module
- crane
- torque limiter
- hoisting crane
- crane torque
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- Expired - Fee Related
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- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model relates to hoisting crane technical field, specifically disclose a kind of crane torque limiter, comprise sensor module, IO load module, A/D module, switching input module, treater and hoisting crane hydraulic control circuit, described sensor module comprises angular transducer, linear transducer and pressure sensor, described sensor module is connected with processor signal input end by described A/D module, described IO load module is connected with described processor signal input end by described switching input module, described processor signal mouth is connected with described hoisting crane hydraulic control circuit.Crane torque limiter of the present utility model has simple and reliable for structure, safety advantages of higher.
Description
Technical field
The utility model relates to crane controller, specifically discloses a kind of hoisting crane torque limiter.
Background technology
Elevator machinery is indispensable visual plant in commercial production and building operation, in operation process, due to the reason of the resistances to overturning such as the restriction of framing member intensity and supporting leg span, counterweight such as arm, steel rope, pivoting support, the dangerous situation that just may cause that the fracture of the framing members such as arm or car load are tumbled etc. when the work of overload, therefore hoisting crane is also the equipment that camp site is dangerous comparatively greatly, be prone to accidents simultaneously, once have an accident, often cause great economic loss even personal casualty.Crane torque limiter is a kind of overload protection device ensureing crane safe operation; be also called full automaticity limiter of moment or safety load indicating device/killer; or claim overload warning device; be avoid operating personal misoperation and cause casualties and the safety control equipment of hoisting crane major injury, GB " GB 6067.1-2010 safety rules for lifting appliances " and " GB 7950-1999 jib-type crane load moment limiter general technical specifications " clear stipulaties rated load weight are with the necessary mounting torque killer of hoisting crane of changes in amplitude.Limiter of moment device is typical electromechanical integrated product, and because China's industrialization is started late, the development time of limiter of moment is shorter, and starting point is low, and product reliability is poor, there is huge potential safety hazard.
Summary of the invention
For one or more technical matters existed in prior art, the purpose of this utility model is to provide a kind of reliable in quality, effectively can avoid the hoisting crane torque limiter of overload crane.
For achieving the above object, the technical solution of the utility model is:
A kind of crane torque limiter, comprise sensor module, IO load module, A/D module, switching input module, treater and hoisting crane hydraulic control circuit, described sensor module comprises angular transducer, linear transducer and pressure sensor, described sensor module is connected with processor signal input end by described A/D module, described IO load module is connected with described processor signal input end by described switching input module, and described processor signal mouth is connected with described hoisting crane hydraulic control circuit.
Preferably, described angular transducer is installed on the arm of hoisting crane, and angular transducer is made up of weight and potential device, and described weight drives potential device to rotate to measure arm angle over the ground.
Preferably, described linear transducer be installed in hoisting crane arm on and length for measuring arm.
Preferably, described pressure sensor is diaphragm type resistance pressure transmitter.
Preferably, described crane torque limiter also comprises remote control center, and described remote control center is connected with described processor communication.
Preferably, described crane torque limiter also comprises the sound and light alarm module for reporting to the police, and for data store black box.
beneficial effect
Compared with prior art; the utility model has the advantage of: crane torque limiter of the present utility model; by all kinds of operating modes of sensor module Real-Time Monitoring hoisting crane; and be converted into digital signal by A/D conversion module, be delivered to treater, when a certain operating mode monitored exceedes default safety value; treater exports control signal; control hoisting crane hydraulic control circuit and export control signal, cut off hoisting crane and run to dangerous direction, thus reach the object of safety guard-safeguard.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the utility model crane torque limiter.
Schematic diagram when Fig. 2 is the utility model crane torque limiter using state.
Wherein: 1, sensor module, 11, angular transducer, 12, linear transducer, 13, pressure sensor, 2, A/D modular converter, 3, IO load module, 4, switching input module 5, treater, 6, hydraulic control circuit, 7, sound and light alarm module, 8, black box, 9, remote control center.
Detailed description of the invention
Below in conjunction with specific embodiment, structure of the present utility model and principle are described further.
As depicted in figs. 1 and 2, a kind of embodiment of the utility model crane torque limiter, comprise sensor module 1, IO load module 3, A/D module 2, switching input module 4, treater 5 and hoisting crane hydraulic control circuit 6, described sensor module 1 comprises angular transducer 11, linear transducer 12 and pressure sensor 13, described sensor module 1 is connected with treater 4 signal input part by described A/D module 2, described IO load module 3 is connected with described treater 5 signal input part by described switching input module 4, described treater 5 signal output part is connected with described hoisting crane hydraulic control circuit 6.The utility model is by all kinds of operating modes of sensor module 1 Real-Time Monitoring hoisting crane; and be converted into digital signal by A/D conversion module 2; be delivered to treater 5; when a certain operating mode monitored exceedes default safety value; treater 5 exports control signal; control hoisting crane hydraulic control circuit 6 and export control signal, cut off hoisting crane and run to dangerous direction, thus reach the object of safety guard-safeguard.
Wherein, described angular transducer 11 is installed on the arm of hoisting crane, angular transducer 11 is made up of weight and potential device, described weight drives potential device to rotate to measure arm angle over the ground, and export corresponding magnitude of voltage and to A/D modular converter 2, A/D modular converter 2, voltage signal is converted to digital signal, input processor 5, compare, in real time monitoring crane arm angle information over the ground.
Wherein, described linear transducer to fill on 12 arms being located at hoisting crane and length for measuring arm, controls crane lifting height simultaneously and exports corresponding signal to A/D modular converter 2.
Wherein, described pressure sensor 13 is diaphragm type resistance pressure transmitter, external pressure acts directly on the diaphragm of pressure sensor 13, diaphragm is made to produce the displacement be directly proportional to pressure medium, the resistance of sensor is changed, exports a signal corresponding to this pressure to A/D modular converter 2.
Wherein, described crane torque limiter also comprises remote control center 9, and described remote control center 9 communicates to connect with described treater 5, can provide technical support by remote control center 9, and the management and running of on-the-spot group operation hoisting crane, ensure efficient, safety, reliability service.
Wherein, described crane torque limiter also comprises the sound and light alarm module 7 for reporting to the police, and for data store black box 8.In the present embodiment, when the signal that sensor module 1 detects exceedes 90% of preset security value, send interrupted acousto-optic early warning; When exceeding 100% of preset security value, send the sound and light alarm prompting of yowl, during more than 105%, export control signal, cut off the hydraulic control circuit 6 that hoisting crane runs to dangerous direction.Arrange black box 8 be convenient to data storage and check.
Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.The above is only preferred implementation of the present utility model, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the prerequisite not departing from the utility model principle, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of utility model and technical scheme are directly applied to other occasion without improving, and all should be considered as protection domain of the present utility model.
Claims (6)
1. a crane torque limiter, comprise sensor module, IO load module, A/D module, switching input module, treater and hoisting crane hydraulic control circuit, it is characterized in that: described sensor module comprises angular transducer, linear transducer and pressure sensor, described sensor module is connected with processor signal input end by described A/D module, described IO load module is connected with described processor signal input end by described switching input module, and described processor signal mouth is connected with described hoisting crane hydraulic control circuit.
2. crane torque limiter according to claim 1, is characterized in that: described angular transducer is installed on the arm of hoisting crane, and angular transducer is made up of weight and potential device, and described weight drives potential device to rotate to measure arm angle over the ground.
3. crane torque limiter according to claim 1, is characterized in that: the length on the arm that described linear transducer is installed in hoisting crane and for measuring arm.
4. crane torque limiter according to claim 1, is characterized in that: described pressure sensor is diaphragm type resistance pressure transmitter.
5. crane torque limiter according to any one of claim 1 to 4, is characterized in that: described crane torque limiter also comprises remote control center, and described remote control center is connected with described processor communication.
6. crane torque limiter according to claim 5, is characterized in that: described crane torque limiter also comprises the sound and light alarm module for reporting to the police, and for data store black box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500393.8U CN204096974U (en) | 2014-09-02 | 2014-09-02 | A kind of crane torque limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500393.8U CN204096974U (en) | 2014-09-02 | 2014-09-02 | A kind of crane torque limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204096974U true CN204096974U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500393.8U Expired - Fee Related CN204096974U (en) | 2014-09-02 | 2014-09-02 | A kind of crane torque limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204096974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961061A (en) * | 2015-06-30 | 2015-10-07 | 中国一冶集团有限公司 | Moment limiter used for crawling crane and control method thereof |
-
2014
- 2014-09-02 CN CN201420500393.8U patent/CN204096974U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961061A (en) * | 2015-06-30 | 2015-10-07 | 中国一冶集团有限公司 | Moment limiter used for crawling crane and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |