The detection device of cold rolling mill oil cylinder position sensor
The utility model relates to a kind of detection devices of cold rolling mill oil cylinder position sensor.
Sensor for the detection of cold rolling mill oil cylinder position is made of magnetic grid (also known as magnetic scale) with magnetic head, it is a kind of
Common accurate displacement measures sensing element, and magnetic induction sensor is simple with manufacture craft, duplication facilitates, is easily installed, adjusting
The series of advantages such as convenient, measurement range wide (resolution ratio 0.001mm), any spreading, thus in the oil cylinder piston of large-sized rolling mills
Digital Detecting of position etc. is widely used.Magnetic induction sensor is suitable for structure and is more compact occasion, in milling train
During high speed rolls plate, the displacement measurement of cylinder piston position is particularly important, in the entire milling train technological process of production, it is necessary to by position
Measuring system come complete data acquisition, transmission, so the accurately and reliably work of magnetic induction sensor is particularly important.Cold rolling mill
Mainly there are two parts for cylinder piston position measuring mechanism, first is that displacement measurement mechanism, mainly has piston, fixes the three of magnetic grid
The compositions such as pawl positioning component, guiding cylinder sleeve, spring, mechanical structure is the effect of power, distance transmitting and reset, second is that magnetic grid senses
Device plays the acquisition of detection data.Magnetic induction sensor in actual operation can not offline inspection, go again after only breaking down
Check replacement, by the universal law of produced on-site, the magnetic induction sensor after replacement can only also check the insulation performance of output cable
And whether fracture, be difficult to accomplish live Disintegration overhaul under the premise of no special dismounting equipment, to the performance of magnetic scale, magnetic head without
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of detection of cold rolling mill oil cylinder position sensor dresses
It sets, the present apparatus is realized to the Function detection after the offline periodic detection of position sensor and reparation, without carrying out disintegration failure
Confirmation is analyzed by detecting the index for making the data of position sensor, performance have a quantization, to judge position sensing
The reliability of device, state stability guarantee the quality for rolling plate.
In order to solve the above technical problems, the detection device of the utility model cold rolling mill oil cylinder position sensor includes lifting
Rack, servo motor, electric cylinder, displacement measurement probe, normal data show table and mounting seat, and the elevator platform, which is equipped with, to be risen
Drop plate and detection platform, the servo motor are installed on the lifter plate by side plate, and the electric cylinder is set to by L-bracket
The lifter plate, the servo motor drive the electric cylinder telescopic displacement, and institute's displacement measurement probe is set to the electric cylinder
And the telescopic displacement data of electric cylinder are detected, the signal output end of institute's displacement measurement probe connects the normal data and shows table
Show that telescopic displacement data detected, the mounting seat are set to the detection platform and are used to install measured position sensor,
The electric cylinder and measured position sensor are located at same axis and vertical with the detection platform.
Further, the present apparatus further includes that limit switch, the limit switch interval up and down are set to the lifter plate simultaneously up and down
And limit the telescopic displacement distance of the electric cylinder.
Further, the axis of institute's displacement measurement probe and the depth of parallelism of electric cylinder telescopic displacement axis are less than 0.02mm.
Since the detection device of the utility model cold rolling mill oil cylinder position sensor uses above-mentioned technical proposal, i.e., originally
The servo motor of device is installed on the lifter plate of elevator platform by side plate, and electric cylinder is set to lifter plate, servo by L-bracket
Motor driven electric cylinder telescopic displacement, displacement measurement probe are set to electric cylinder and detect the telescopic displacement data of electric cylinder, displacement
The signal output end connection normal data of measuring probe shows that table shows telescopic displacement data detected, and mounting seat, which is set to, to be risen
The detection platform of drop rack for installing measured position sensor, electric cylinder and measured position sensor be located at same axis and
It is vertical with detection platform.The present apparatus realizes the Function detection to the offline periodic detection of position sensor and after repairing, without into
The confirmation of row disintegration failure is analyzed by detecting the index for making the data of position sensor, performance have a quantization, thus
Judge reliability, the state stability of position sensor, guarantees the quality for rolling plate.
Detailed description of the invention
The utility model is described in further detail with embodiment with reference to the accompanying drawing:
Fig. 1 is the structure of the detecting device schematic diagram of the utility model cold rolling mill oil cylinder position sensor；
Fig. 2 is the side view of Fig. 1.
Embodiment is as depicted in figs. 1 and 2, and the detection device of the utility model cold rolling mill oil cylinder position sensor includes rising
It drops rack 1, servo motor 2, electric cylinder 3, displacement measurement probe 4, normal data and shows table 5 and mounting seat 6, the elevator
Frame 1 is equipped with lifter plate 11 and detection platform 12, and the servo motor 2 is installed on the lifter plate 11, the electricity by side plate 21
Dynamic cylinder 3 is set to the lifter plate 11 by L-bracket 31, and the servo motor 2 drives 3 telescopic displacement of electric cylinder, described
Displacement measurement probe 4 is set to the electric cylinder 3 and detects the telescopic displacement data of electric cylinder 3, the letter of institute's displacement measurement probe 4
Number output end connects the normal data display table 5 and shows that telescopic displacement data detected, the mounting seat 6 are set to described
Detection platform 12 is located at same axis simultaneously with measured position sensor 7 for installing measured position sensor 7, the electric cylinder 3
And it is vertical with the detection platform 12.
Preferably, the present apparatus further includes that limit switch 32,33, the interval of limit switch 32,33 up and down are set to institute up and down
It states lifter plate 11 and limits the telescopic displacement distance of the electric cylinder 3.
Preferably, the depth of parallelism of the axis and 3 telescopic displacement axis of electric cylinder of institute's displacement measurement probe 4 is less than
Elevator platform can utilize the full-automatic superposing type force standard machine lifting device of 5MN in the present apparatus, carry out side in its side
Plate 21, the fixed servo motor 2 of 31 fabrication and installation of L bracket and electric cylinder 3 and displacement measurement probe 4, normal data show table
5；Mounting seat 6 is arranged in lower part based on the full-automatic superposing type force standard machine mobile working platform of 5MN, for installing measured position
Set sensor 7.The center line of telescopic shaft must be vertical with the mobile working platform of superposing type force standard machine when electric cylinder 3 is installed,
Displacement measurement 4 axis of probe and electric cylinder 3 stretch axis parallel degree control in 0.02mm.When detecting operation, displacement is surveyed first
Amount probe 4 shows that table 5 is connect with normal data, then measured position sensor 7 is set in mounting seat 6, measured position
Sensor 7 connects measured data and shows that table 71, servo motor 2 drive 3 telescopic displacement of electric cylinder, and electric cylinder 3 drives measured position
Sensor 7 acts, and pops one's head in 4 data collected in the normal data display reading of table 5 by displacement measurement at this time, measured position passes
The data that sensor 7 is exported are read in measured data display table 71, and two groups of data are carried out accurate quantitative analysis, can be realized
The offline inspection of measured position sensor 7.
Period, host computer controls servo motor 2 by serial ports and runs, so that the telescopic displacement of electric cylinder 3 is controlled, with standard
Positioning of the data display collected displacement signal of table 5 as feedback control electric cylinder 3, the limit switch up and down 32 of electric cylinder 3,
33 access PLC controllers, PLC controller send host computer back to for judging the extreme position of electric cylinder 3 by serial ports.
The displacement measurement probe and normal data of the present apparatus show that table uses high precision component, effectively improve detection accuracy,
And structure is simple, installation, debugging operations are convenient.