CN2125698U - Automatic recorder for drilling time - Google Patents

Abstract

The utility model relates to a drilling time recorder which is composed of a photoelectric encoding transducer, a load hanging transducer of an idle vehicle, a data entry keyboard, a signal conversion circuit, a microprocessor and a result display part, wherein, the photoelectric encoding transducer transfers the motion vector of a driller roller. Through the different combination states of a pulse signal and a direction identification signal from a photoelectric encoding sensor under the conversion of a conversion circuit and a load hanging signal from the idle vehicle, the microprocessor automatically removes non-drilling time and non-vacuum footage in the operation of drill starting, drill running, drill lifting, drill emptying, etc., and only records and outputs effective footage and actual drilling time. The utility model has the advantages of simple structure, convenient installation and operation and high universality, and is suitable for various drilling machines drawn by drums.

Description

Automatic recorder for drilling time

The utility model relates to the testing equipment in a kind of drillng operation, particularly be a kind of brill of measuring drilling time or rate of penetration the time recorder.

The drilling time of every meter drilling depth of accurate recording, record when promptly boring is that understanding is grasped institute's drilling well section situation, guaranteed one of important means that safety is crept into.Record mostly adopts the artificial line recording method that marks every meter timberline, intact one meter its drilling time of record of every brill on kelly bar during existing boring.This method operation is cumbersome, labour intensity is big, simultaneously, owing in drilling process, propose operations such as brills, empty brills inevitably the time, be difficult to these non-time of really creeping into is distinguished and eliminating is come out by artificial means, accuracy is not high when causing its brill that writes down, the reliability deficiency.Occur some in recent years and can measure instrument when boring, as Chinese patent CN1032380A disclosed " automatic multiparameter recorder for geology of well drilling ", by being installed in the well depth wheel that is connected with crown sheave on the overhead traveling crane, selsyn, electromagnetic clutch, timing circuit, contain ratchet gear, the speed-changing gear box of differential gear, contain worm gear, the pot bar, the worm gear dial, the worm-drive indication mechanism of mechanical counter and two covers respectively full well rotating hours of bulk registration and out-of-hole time by microswitch, motor for instrument, the compositions such as drilling time bulk registration device that message register and press figure table constitute, it creeps into well depth to write down demonstration respectively by each sensing transmission register system that has a cover of one's own during work, well depth makes a trip, pure creeping into the cumulative time, the non-parameters such as cumulative time of creeping into, its complex structure, especially speed change, running part, part is many, require high; Adopt the machine driving conversion regime that the turning collar number conversion of crown sheave is become the well depth value and shows that with the form of worm gear dial and mechanical counter its transmission error is big, institute's indicating value reliability is not high; Situation when the accumulative total rotating hours of being write down can not intuitively be reflected the brill of each well section is helpless to analyze the distribution situation of understanding each well section earth formation and grasps the down-hole state and take the measure of creeping into accordingly immediately.Simultaneously, the installation site of well depth wheel must be decided according to the arc length of crown sheave, the radius of crown sheave and this Several Parameters of girth of well depth wheel, and versatility is poor, and installs also extremely inconvenient on overhead traveling crane.

The purpose of this utility model provides a kind of simple in structure, and well depth value transmitting accuracy height is not influenced by drilling operation and automatic recorder during brill when writing down continuously it automatically and boring.

Automatic recorder is by data entry keyboard when realizing the brill of the purpose of this utility model.Transmit the optical encoder sensor of rig drum movement vector, the tourist bus weight transduser, signal processing and as a result the display part form, signal processing is made of signaling conversion circuit and microprocessor, the signal receiving end that transmits the optical encoder sensor of rig drum movement vector joins by a transmission device and rig drum shaft, the signaling conversion circuit of its signal output part and signal processing joins, the signal output part of data entry keyboard and the tourist bus weight transduser that joins with cable wire fixed end on the cylinder directly and the microprocessor of signal processing join.During work by the diameter of cylinder of input keyboard with rig, rope diameter, cable wire is around tourist bus pulley number of share of stock, be wrapped in every layer of number of turns of the cable wire on the cylinder, well depth value and cylinder when opening entry bores directly input to microprocessor around the initial number of turns of cable wire, on the reflection tourist bus from optical encoder sensor, the variation of the cable wire number of turns of the displacement when mobile down, be that the rotation number of turns of cylinder and the pulse signal of rotation direction are defeated by microprocessor through the signal of telecommunication of identification of signaling conversion circuit treatment conversion Cheng Nengwei microprocessor and processing, microprocessor with this signal of telecommunication be converted into tourist bus on, displacement that moves and combination are from the signal condition of weight transduser down, store respectively, comparison process, sky is bored, carry brill, rise, the following line displacement of the empty tourist bus in following brill and the trip-out process, displacement and institute's time-consuming of the tourist bus in these non-true drilling operation operations such as last line displacement of the empty tourist bus in the going down process are got rid of, and record and export effective drilling time and the accumulative total drilling depth in actual creeping into only, and show by display part as a result.

The utility model is simple in structure, volume is little, cost is low, easy to use, be not subjected to the influence of drilling operation operation and write down effective drilling depth and drilling time automatically, and precision height, good reliability, easy for installation, highly versatile.Can be equipped on the rig of various cylinders traction, also can be only reach and install and use when desire is surveyed when boring the well section temporarily at brill.

Below in conjunction with embodiment and accompanying drawing the utility model is described in further details.

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

Fig. 2 is the composition schematic diagram of signaling conversion circuit

As shown in Figure 1, in the present embodiment, the transmission device 3 that is connected between rig cylinder 1 and the optical encoder sensor 2 is a gear transmission structure that is connected on the drum shaft 4, weight transduser 5 is a pressure sensor, the side is connected on the suspending weight sensing oil circuit of weight indicator, data entry keyboard 8 adopts the dial switch of four figures certificate and two digit address, the microprocessor 9 of signal processing can be selected 8031 single-chip microcomputers for use, signaling conversion circuit 6 can by as shown in Figure 3 by with door Y1, Y2, Y3, trigger D, and phase discriminator 10 forms, and four look drawing printers with 8031 single-chip microcomputers coupling can be adopted in display part 11 as a result; The output of tourist bus weight transduser 5 and data entry keyboard 8 directly insert the P1 mouth and the P0 mouth of 8031 single-chip microcomputers; Divide the signal of optical encoder sensor A, B two-phase insert signaling conversion circuit respectively with door Y1, Y2, by trigger D and with door Y3 output, insert the P1 mouth and the P3 mouth of 8031 single-chip microcomputers.Diameter D, rope diameter d, cable wire with cylinder during work change the height Δ l(=that all tourist buses move around well depth value H and the cylinder that tourist bus pulley number of share of stock n, the every layer of number of turns No that is wrapped in the cable wire on the cylinder, opening entry bore constantly around the initial number of turns N of cable wire and real side value L(=π (D+d)/n), the adjacent two layers cable wire of cylinder cable wire variation one circle tourist bus change in elevation

π d/n) these primary datas input to microprocessor by input keyboard, converse the displacement that tourist bus that each pulse signal reflects moves by microprocessor; Doing positive and negative rotation when cylinder twines and puts that cable wire affects upper and lower move of tourist bus and during the upper and lower motion of operation drill string, drive unit and optical encoder sensor are done positive and negative rotation thereupon, when just changeing, 90 ° of the leading B phase signals of optical encoder sensor output A phase signals, by exporting rectangular pulse JS with door Y3, QD is the signal of " 1 " in the output of the Q1 of trigger D2 end after processing is amplified in the signaling conversion circuit shaping; During counter-rotating, 90 ° mutually of the leading A of optical encoder sensor output B phase signals, Y3 still exports rectangular pulse JS, and the QD signal of trigger D2 and the output of Q1 end becomes " 0 ".Pulse JS does the counting input of single-chip microcomputer, whether single direction identification, tourist bus suspending weight signal WT judge tourist bus that the QD signal is made the counting of single-chip microcomputer load, single-chip microcomputer is counted according to the various combination state of these three kinds of signals and is judged the lifting of tourist bus and have or not single loading, and the trend of work of its each signal combination is as shown in table 1:

The trend of work of each signal combination of table 1

Sensor output A B signal changes	Tourist bus direction of displacement QD	Count pulse JS	Suspending weight WT	Virtual condition
					A mutually leading 90 ° in the B phase	QD=" 1 " (downwards)	JS?=?m 1	WT?=?“1” “0”	Advancing to bore empty tourist bus to moving down
B mutually leading 90 ° in the A phase	QD=" 0 " (making progress)	JS?=?m 2	WT?=?“1” “0”	The empty tourist bus that pulls out of hole upwards moves

When creeping into, single-chip microcomputer is converted into the counting pulse signal m1 of the forward rotation number of turns of cylinder the well depth value and totally is stored in well depth record cell H, and printout; Begin counting during well depth value when brill reaches set opening entry and bores, and write down printout together in company with well depth; The same conversion of the counting pulse signal m2 of the backward rotation displacement of cylinder is stored in another unit h when proposing brill and trip-out, this moment is because direction identification signal QD changes into " 0 ", microprocessor stops timing under this state, and there is not the drilling depth output signal, when boring down again after the trip-out (or carrying brill), when microprocessor accumulative total is stored counting pulse signal and is added up to be stored in pulse signal m2 in the h unit equate up to previous trip-out (or carrying brill) time, be the well depth of drill bit when getting back to former trip-out (or carrying brill), microprocessor is then timing and in well depth record cell H accumulative total drilling depth and printout again; The following line displacement of trip-out space-time tourist bus and the pulse signal that bores the last line displacement of space-time tourist bus down, because the signal WT of weight transduser changes into " 0 " at this moment, microprocessor well depth record cell H under this state does not have the storage of accumulative total and output, stops timing simultaneously yet.Thereby got rid of trip-out, bore down, emptyly bore these out-of-hole times, and only write down its accumulative total drilling depth automatically and when boring.

The winding number of turns value of the cable wire on the cylinder of the restriction point during with the maximum height limit of the last line displacement of tourist bus and downstream position is preset in the microprocessor by input keyboard, and make microprocessor under which kind of duty, all always constantly follow the tracks of the variation of the cable wire number of turns on the cylinder, when surpassing this limits value that presets, tourist bus gives the alarm, to prevent " on bump down pound " accident generation.In microprocessor, preset well depth and remind, can reach at brill and send signal when presetting the well depth position, for example, in design, require to adopt sand sample, get core, handle the well section that mud or the like need carry out special operation and send alerting signal.

Claims (2)

1, automatic recorder during a kind of brill, it is characterized in that described recorder comprises data entry keyboard, transmit the optical encoder sensor of rig drum movement vector, tourist bus suspending weight signal transducer, signal processing and display part as a result, its signal processing is made of jointly signaling conversion circuit and microprocessor, the optical encoder sensor that transmits rig drum movement vector joins by a transmission device and rig drum shaft, the signaling conversion circuit of its output and signal processing joins, and the output of data entry keyboard and the tourist bus weight transduser that is connected cable wire fixed end on cylinder microprocessor direct and signal processing joins.

2, automatic recorder during brill as claimed in claim 1 is characterized in that described tourist bus weight transduser is for being connected on the pressure sensor on the weight indicator suspending weight sensing oil circuit on one side.

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