CN203486811U - Torque limiting system of road container side crane - Google Patents
Torque limiting system of road container side crane Download PDFInfo
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- CN203486811U CN203486811U CN201320631853.6U CN201320631853U CN203486811U CN 203486811 U CN203486811 U CN 203486811U CN 201320631853 U CN201320631853 U CN 201320631853U CN 203486811 U CN203486811 U CN 203486811U
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- 238000010276 construction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a torque limiting system of a road container side crane and belongs to a crane torque limiting system of a self loading and unloading truck. A PLC (programmable logic controller) and a three-color lamp are arranged at the rear end of a framework of the torque limiting system; a remote controller is arranged on the front part of the framework; the rear end of the framework is connected with a rear lifting electromagnetic group, a rear lifting lower arm inclination angle sensor, a rear lifting upper arm inclination angle sensor, a rear lifting lower arm oil cylinder small-cavity oil pressure sensor, a rear lifting lower arm oil cylinder large-cavity oil pressure sensor and a rear lifting solenoid valve group respectively; the front parts of the framework is connected with a front lifting upper arm inclination angle sensor, a front lifting lower arm inclination angle sensor, a front lifting lower arm oil cylinder small-cavity oil pressure sensor, a front lifting lower arm oil cylinder large-cavity oil pressure sensor and a front lifting electromagnetic valve group; the output ends of all the sensors and the control ends of the front lifting electromagnetic valve group and the rear lifting electromagnetic valve group are connected with the corresponding input ends of the PLC; the output end of the PLC is connected with the three-color lamp. The torque limiting system of the inland container side crane has the advantages that when a torque is close to or larger than a rated torque, the system sends out a signal for limiting operation in the dangerous direction, and the safety is guaranteed.
Description
Technical field
The utility model relates to a kind of moment limiting system that hangs of self-loading and unloading vehicle, particularly a kind of Highway Container side crane moment limiting system.
Background technology
At present, China, to being specifically designed to the development and application of Highway Container side crane self-loading and unloading vehicle, is still in the starting stage, compares and has a long way to go with economy such as Europe with logistics developed country, and the research of especially hanging aspect moment restriction in freight container side is less.Therefore operator is when side crane operation, all to rely on the tilting of car body degree of observing in operating process to guarantee job safety, need operator to there is quite high operating experience, even sometimes also need be by some back works, this has not only increased the quantity of working strength and difficulty and operating personal, has also increased operating process equipment and personnel's safety hazard.
Utility model content
The purpose of this utility model is the system that a kind of real-time detection and lifting restriction of Highway Container side crane lifting moment will be provided, while solving freight container side crane operation, all to rely on the tilting of car body degree of observing in operating process to guarantee the problem of job safety.
The purpose of this utility model is achieved in that the main hardware of this moment limiting system comprises: PLC controller, combination lantern, after hang electromagnetic valve group, after hang underarm obliquity sensor, after hang on arm obliquity sensor, after hang underarm oil cylinder loculus oil pressure sensor, after hang the large chamber of underarm oil cylinder oil pressure sensor, before hang on arm obliquity sensor, before hang underarm obliquity sensor, before hang underarm oil cylinder loculus oil pressure sensor, before hang the large chamber of underarm oil cylinder oil pressure sensor, before hang electromagnetic valve group and remote controller, in the rear end of vehicle frame, PLC controller and combination lantern are installed, in the front portion of vehicle frame, have remote controller, the rear end of vehicle frame divide hang after being connected with electromagnetic valve group, after hang underarm obliquity sensor, after hang on arm obliquity sensor, after hang underarm oil cylinder loculus oil pressure sensor, after hang underarm oil cylinder large chamber oil pressure sensor and after hang electromagnetic valve group, before the front portion of vehicle frame is connected with, hang on arm obliquity sensor, front hang underarm obliquity sensor, front hang underarm oil cylinder loculus oil pressure sensor, front hang underarm oil cylinder large chamber oil pressure sensor and before hang electromagnetic valve group, the mouth of all sensors is connected with the respective input of PLC controller, the mouth of PLC controller and combination lantern and before hang electromagnetic valve group with after hang electromagnetic valve group and be connected, remote controller receiver is connected to PLC controller by CANBUS.
Beneficial effect, owing to having adopted such scheme, operator can understand in real time by the read-out of remote controller the moment of lifted weight, determine next step operation, and can weight moment during at rated moment 90%-100% PLC controller drive combination lantern to send yellow early warning signal, prompting operation person notes, when weight moment surpasses rated moment, PLC controller drives combination lantern to send red overload signal, limits the action of dangerous direction.By PLC controller, the collection computing of peripheral sensing data is determined to real-time moment values, then comparing with moment values corresponding to amplitude on the performance curve of real-time moment values and side crane, the safety of hoisting personnel and equipment self is guaranteed in restriction lifting dangerous play.Reduce the dependence of operator to operating experience, greatly improved safety performance and the efficiency of side crane hoisting process.
Advantage:
1, when lifting approaches rated moment, system is sent yellow early warning signal, and when lifting equals or exceeds rated moment, system is sent red overload signal, and limits the action of dangerous direction.
2, operator can understand in real time by the read-out of remote controller the moment of lifted weight.
3, the hardware configuration of this kind of moment limiting system is comparatively simple, and software algorithm is comparatively accurate, and the operability of practical application is stronger.Actv. has been protected loop wheel machine and operator's safety.
Accompanying drawing explanation
Fig. 1 is constructional drawing of the present utility model.
In figure, 1, PLC controller; 2, combination lantern; 3, after, hang electromagnetic valve group; 4, after, hang underarm obliquity sensor; 5, after, hang on arm obliquity sensor; 6, after, hang underarm oil cylinder loculus oil pressure sensor; 7, after, hang the large chamber of underarm oil cylinder oil pressure sensor; 8, the front arm obliquity sensor that hangs on; 9, the front underarm obliquity sensor that hangs; 10, the front underarm oil cylinder loculus oil pressure sensor that hangs; 11, the front large chamber of the underarm oil cylinder oil pressure sensor that hangs; 12, the front electromagnetic valve group of hanging; 13, remote controller.
The specific embodiment
Embodiment 1: the main hardware of this moment limiting system comprises: PLC controller 1, combination lantern 2, after hang electromagnetic valve group 3, after hang underarm obliquity sensor 4, after hang on arm obliquity sensor 5, after hang underarm oil cylinder loculus oil pressure sensor 6, after hang the large chamber of underarm oil cylinder oil pressure sensor 7, before hang on arm obliquity sensor 8, before hang underarm obliquity sensor 9, before hang underarm oil cylinder loculus oil pressure sensor 10, before hang the large chamber of underarm oil cylinder oil pressure sensor 11, before hang electromagnetic valve group 12 and remote controller 13, PLC controller 1 and combination lantern 2 are installed in the rear end of vehicle frame, in the front portion of vehicle frame, have remote controller 13, the rear end of vehicle frame divide hang after being connected with electromagnetic valve group 3, after hang underarm obliquity sensor 4, after hang on arm obliquity sensor 5, after hang underarm oil cylinder loculus oil pressure sensor 6, after hang the large chamber of underarm oil cylinder oil pressure sensor 7 and after hang electromagnetic valve group 3, before the front portion of vehicle frame is connected with, hang on arm obliquity sensor 8, front hang underarm obliquity sensor 9, front hang underarm oil cylinder loculus oil pressure sensor 10, front hang the large chamber of underarm oil cylinder oil pressure sensor 11 and before hang electromagnetic valve group 12, the mouth of all sensors is connected with the respective input of PLC controller 1, the mouth of PLC controller 1 and combination lantern 2 and before hang electromagnetic valve group 12 with after hang electromagnetic valve group 3 and be connected, remote controller receiver is connected to PLC controller 1 by CANBUS.
Described CANBUS is Controller Area Network BUS.
Two hang and carry out separately moment computing, when front and back two, hang when moment has big difference and on remote controller displays screen, point out unbalance loading serious, after reloading, lift again.In front and back two are hung in unbalance loading allowed band, the actual measurement moment of the loop wheel machine that the moment of usining is larger and the early warning and restriction foundation of the comparison of corresponding moment on performance curve as dangerous play.It is the same that moment operational model is hung in front and back, below before hang the description of carrying out moment computing for example: frontly hang on arm obliquity sensor 8 and frontly hang the angle that underarm obliquity sensor 9 is measured respectively upper arm and underarm, for deterministic force direction, thereby calculate arm of force value in conjunction with the physical construction of side crane.Before hang underarm oil cylinder loculus oil pressure sensor 10 and frontly hang the force value that the large chamber of underarm oil cylinder oil pressure sensor 11 is measured respectively underarm oil cylinder loculus and large chamber, size for deterministic force, PLC controller 1 collects the calculating of carrying out actual forces square value after these signals, then by software, the rated moment value of setting on the actual moment recording and performance curve is compared, when actual moment values is less than the rated moment value of setting, PLC controller 1 output signal, after making, hang electromagnetic valve group 3 and the front unloader valve hanging in electromagnetic valve group 12 obtains electric normal work, drive the green light of combination lantern 2 simultaneously, permission is carried out normal running to vehicle, when actual moment is more than or equal to the rated moment 90% of setting, PLC controller 1 output signal makes the amber light of combination lantern 2 bright, reminds operator to note.When actual moment is more than or equal to the rated moment of setting, PLC controller 1 is according to the signal of gathered remote controller 13 handles, spatial coordinates in conjunction with side crane, decision operation direction will cause the increase of moment still to reduce, the secure side that permission side crane reduces to moment is to motion, once the dangerous direction motion increasing to moment, PLC controller 1 cuts off output, after hang electromagnetic valve group 3 and front unloader valve dead electricity off-load of hanging in electromagnetic valve group 12, restriction vehicle carries out work, PLC controller 1 output signal makes the when red of combination lantern 2 so that operating personal is pointed out simultaneously.
Claims (1)
1. a Highway Container side crane moment limiting system, is characterized in that: the main hardware of this moment limiting system comprises: PLC controller, combination lantern, after hang electromagnetic valve group, after hang underarm obliquity sensor, after hang on arm obliquity sensor, after hang underarm oil cylinder loculus oil pressure sensor, after hang the large chamber of underarm oil cylinder oil pressure sensor, front arm obliquity sensor, front underarm obliquity sensor, front underarm oil cylinder loculus oil pressure sensor, the front large chamber of underarm oil cylinder oil pressure sensor, front electromagnetic valve group and the remote controller of hanging of hanging of hanging of hanging of hanging on; In the rear end of vehicle frame, PLC controller and combination lantern are installed, in the front portion of vehicle frame, have remote controller; The rear end of vehicle frame divide hang after being connected with electromagnetic valve group, after hang underarm obliquity sensor, after hang on arm obliquity sensor, after hang underarm oil cylinder loculus oil pressure sensor, after hang underarm oil cylinder large chamber oil pressure sensor and after hang electromagnetic valve group; Before the front portion of vehicle frame is connected with, hang on arm obliquity sensor, front hang underarm obliquity sensor, front hang underarm oil cylinder loculus oil pressure sensor, front hang underarm oil cylinder large chamber oil pressure sensor and before hang electromagnetic valve group; The mouth of all sensors is connected with the respective input of PLC controller, the mouth of PLC controller and combination lantern and before hang electromagnetic valve group with after hang electromagnetic valve group and be connected, remote controller receiver is connected to PLC controller by CANBUS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631853.6U CN203486811U (en) | 2013-10-14 | 2013-10-14 | Torque limiting system of road container side crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631853.6U CN203486811U (en) | 2013-10-14 | 2013-10-14 | Torque limiting system of road container side crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203486811U true CN203486811U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631853.6U Expired - Lifetime CN203486811U (en) | 2013-10-14 | 2013-10-14 | Torque limiting system of road container side crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203486811U (en) |
-
2013
- 2013-10-14 CN CN201320631853.6U patent/CN203486811U/en not_active Expired - Lifetime
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
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| CX01 | Expiry of patent term |