CN203274715U

CN203274715U - Hydraulic automatic gripping beam monitoring system

Info

Publication number: CN203274715U
Application number: CN 201320200275
Authority: CN
Inventors: 陈书铭; 胡美玲; 耿清波; 司健伟
Original assignee: Huadian Zhengzhou Machinery Design and Research Institute Co Ltd
Current assignee: Huadian Zhengzhou Machinery Design and Research Institute Co Ltd
Priority date: 2013-04-19
Filing date: 2013-04-19
Publication date: 2013-11-06
Anticipated expiration: 2023-04-19

Abstract

The utility model discloses a hydraulic automatic gripping beam monitoring system comprising a moving shaft device arranged at the lower part of a beam body, a descent in-place proximity switch, a pin-penetration in-place proximity switch, a pin-withdrawal in-place proximity switch, a pin penetration and withdrawal stroke sensor, a descent stroke sensor and a signal processing and displaying device, wherein both the descent in-place proximity switch and the descent stroke sensor are arranged in the beam body, the pin penetration and withdrawal stroke sensor and the pin-penetration in-place proximity switch are arranged in the moving shaft device, and the pin-withdrawal in-place proximity switch is arranged in the front end of the moving shaft device. The hydraulic automatic gripping beam monitoring system is advantageous in that the descent in-place proximity switch and the pin-penetration and pin-withdrawal in-place proximity switches are respectively arranged in the beam body and the moving shaft device, the anti-interference performance and accuracy of signal transmission are improved, the whole gripping beam descending process and the whole pin penetrating and withdrawing process are monitored by mounting the pin penetration and withdrawal stroke sensor and the descent stroke sensor, the whole process of gripping beam and moving shaft movement can be simulated in a real-time manner, and the condition of gripping beam underwater work can be accurately determined.

Description

Hydraulic automatic grabbing beam monitoring system

Technical field

The utility model relates to the hydraulic automatic grabbing beam, especially relates to a kind of hydraulic automatic grabbing beam monitoring system.

Background technology

Along with the development of China's electric utility, the application of auto clawing beam in Hydraulic and Hydro-Power Engineering is also more and more, is particularly useful for operating the keying of large and medium-sized gate.When lifting by crane gate under adopting travelling hoist operation porous gate or deep water, adopt the hydraulic automatic grabbing beam suitable especially, when the gate port size is larger, the gate integral lifting at need, gate can be made the form of Stoplog gate, with the lifting of hydraulic automatic grabbing beam merogenesis.

The monitoring of hydraulic automatic grabbing beam refers to grasping beam decline and puts in place and wear off the process monitoring that pin puts in place, present most widely used hydraulic automatic grabbing beam monitoring system adopts external, the signal that puts in place is provided for door machine operation person, can not in real time, dynamically simulate the whole motion process that grasping beam is moved axle, can not give one of operator signal display state intuitively, in case accident occurs, fully artificially micro-judgment; Owing to adopting external, the reliability of signal and anti-interference can not be guaranteed reliably, and because grasping beam is at dark underwater operation, complex, can encounter barrier unavoidably under water, causes the damage of telltale.

Summary of the invention

The utility model purpose is to provide a kind of signal transmission reliability and anti-interference of improving, and the guard signal device is worked under water and is not compromised, and saves the hydraulic automatic grabbing beam monitoring system of use cost.

For achieving the above object, the utility model can be taked following technical proposals:

Hydraulic automatic grabbing beam monitoring system described in the utility model, comprise be arranged on beam body bottom move shaft device, descend put in place approach switch, wear pin put in place approach switch and the out of stock approach switch that puts in place, it also comprises wearing off sells journey sensor, descending stroke sensor and signal processes and displays device; Described decline puts in place, and all to be built in the beam body inner for approach switch and descending stroke sensor; Described wear off to sell the journey sensor and wear the pin approach switch that puts in place be built in and move on shaft device, the described out of stock approach switch that puts in place is built in the front end that moves shaft device.

The utility model advantage is by decline being put in place approach switch and wear off the nearly switch of pin joint and be built in respectively Liang Tihe and move shaft device inside, strengthened anti-interference and the accuracy in the signals transmission, avoided the underwater complex situation to damage sensor and approach switch, the guard signal device is worked under water and is not compromised, reduce the probability of maintenance, the utilization factor of raising equipment is saved use cost; Wear off by setting and sell journey sensor and descending stroke sensor total travel monitoring grasping beam decline and wear off the pin process, judge whether descend grasping beam to put in place or wear off whether pin put in place be a double insurance for the operator, can avoid occurring maloperation, provide a signal demonstration more intuitively to the operator simultaneously, the whole motion process of axle can be the real time modelling grasping beam moved, grasping beam underwater operation situation can be judged more accurately.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

As shown in 1 figure, hydraulic automatic grabbing beam monitoring system described in the utility model, comprise be arranged on beam body 1 bottom move shaft device 2, descend put in place approach switch 3, wear pin put in place approach switch 4 and the out of stock approach switch 5 that puts in place, it also comprises wearing off sells journey sensor 6, descending stroke sensor 7 and signal processes and displays device; Put in place approach switch 3 and descending stroke sensor 7 of described decline all is built in beam body 1 inside; Described wear off to sell journey sensor 6 and wear the pin approach switch 4 that puts in place be built in and move on shaft device 4, the described out of stock approach switch 5 that puts in place is built in the front end that moves shaft device 2.

During use, grasping beam descends and to wear the axle process: wear and decline is close to before axle bit switch 3 knobs and is put into and wears shaft position, then grasping beam begins to descend, descending stroke sensor 7 total travels show the dynamic process that descends, after putting in place, the approach switch 3 that puts in place of descending sends signal, has accomplished like this dual fail-safe that grasping beam descends and puts in place.The stroke sensor 7 in place that descends is selected device for sensing linear displacement caused by magnetostriction, the analog signals access Programmable Logic Controller PLC(Programmable Logic Controller of stroke sensor 7 in place descends), inner through after logical process at PLC, by the PROFIBUS-DP bus communication media of field bus device (connect)) data are sent to are arranged on a touch-screen of machine cab, the operator can observe the decline overall process on touch-screen, be provided with numeral and two kinds of display modes of excellent figure on touch-screen, intuitive display is reliable, and degree of accuracy is 1mm; The approach switch 3 that puts in place that descends is selected the PNP three-wire system, and antijamming capability is strong, failure rate is low, and the approach switch 3 signals access PLC that put in place that descend are furnished with the signal lamp that puts in place on touch-screen and cab joint action table, after putting in place, just have signal designation and show.Descending stroke sensor 7 and decline are close to bit switch 3 and all are built in grasping beam beam body 1 inside, have protected this two kinds of equipment, have strengthened Anti-jamming of signal.System receives to descend and puts in place after signal, the beginning automatic shaft penetrating, this time shift axle 8 begins action, wear off the analog signals of selling 6 outputs of journey sensor and enter into PLC, inner through after logical process at PLC, by the PROFIBUS-DP bus, data are sent to and are arranged on a touch-screen of machine cab, the operator can observe intuitively on touch-screen and wear the pin overall process, after wearing pin and putting in place, wear the pin approach switch 4 that puts in place and send signal, proof is moved axle 8 and has been worn pin and put in place, and this moment, grasping beam got final product lift gate, completes and wears the overall process that pin is carried door.

grasping beam descends and to take off the axle process: after moving axle 8 on dam facing and wearing pin and put in place, before grasping beam descends, decline approach switch 3 knobs that put in place are put into and take off shaft position, the grasping beam lift gate begins lower aperture, after dropping to the position, height indication by gate, the approach switch 3 that puts in place in conjunction with descending shows and descending stroke sensor 7 shows, the judgement gate puts in place, the beginning automatic pin shedding, be built in this moment and move wearing off of shaft device 2 inside and sell that journey sensor 6 is omnidistance dynamically shows out of stock processes, after out of stock putting in place, be built in out of stock approach switch 5 out of stock the putting in place of demonstration that put in place of moving shaft device 2 inside, this is also a dual fail-safe, the convenient operation person is out of stock the putting in place of judgement better, grasping beam and gate are thrown off fully, can begin to promote grasping beam, thereby complete the overall process of putting door.

Claims

1. hydraulic automatic grabbing beam monitoring system, comprise be arranged on beam body (1) bottom move shaft device (2), descend put in place approach switch (3), wear pin put in place approach switch (4) and the out of stock approach switch that puts in place (5), it is characterized in that: it also comprises wearing off sells journey sensor (6), descending stroke sensor (7) and signal processes and displays device; Put in place approach switch (3) and descending stroke sensor (7) of described decline all is built in beam body (1) inside; Described wear off to sell journey sensor (6) and wear the pin approach switch (4) that puts in place be built in and move on shaft device (4), the described out of stock approach switch that puts in place (5) is built in the front end that moves shaft device (2).