CN101579811A - Collar screw-on machine capable of automatically detecting torques of oil pipe and pipe collar and thread depth - Google Patents

Abstract

The invention provides a collar screw-on machine capable of automatically detecting torques of an oil pipe and a pipe collar and thread depth, which has a structure comprising a machine frame, a servo motor, an air compressor, a singlechip controller, a pneumatic pipe collar clamp, a pneumatic oil pipe clamp and other parts, wherein the pneumatic pipe collar clamp, the pneumatic oil pipe clamp and a pneumatic oil pipe support are arranged above the machine frame; the servo motor and the air compressor are arranged on the two ends of the machine frame respectively; the singlechip controller is arranged on a lateral side of the machine frame or the pneumatic pipe collar clamp; the pipe collar is clamped in the pneumatic pipe collar clamp; and the oil pipe passes through the pneumatic oil pipe clamp to be connected with the pipe collar; the tail part of the oil pipe is placed on the pneumatic oil pipe support; an oil pipe screw-in depth measurement mechanism is arranged on the left side of the pneumatic pipe collar clamp and is connected with the left end of the pipe collar; and a torque measurement mechanism consisting of force arm and torque sensors is arranged on a lateral side of the pneumatic oil pipe clamp.

Description

The box cupling screw-on machine of a kind of automatic detection oil pipe and the pipe collar moment of torsion and the depth of thread

Technical field

The present invention relates to the oil pipe pipe collar screw-on machine that recovers the oil in a kind of oil field, the box cupling screw-on machine of specifically a kind of automatic detection oil pipe and the pipe collar moment of torsion and the depth of thread.

Background technology

The screw-on machine of prior art uses hydraulic system to drive more, in use the deficiency of Cun Zaiing is, volume is big, floor space is big, cost height, power consumption height, operating cost height, hydraulic workstation need be set specially, and hydraulic motor, hydraulic jack are easy to produce hydraulic oil in the course of the work and reveal the pollution that causes environment.Also have the screw-on machine of prior art not possess the function that automatic detection oil pipe is screwed into moment of torsion between the degree of depth and pipe collar and the oil pipe, all quality testings are artificial repetition test entirely, strengthened working strength of workers, stubborn the connecing that pipe collar and oil pipe often take place do not reach specification requirement and causes oil well to scrap.

Summary of the invention

The purpose of this invention is to provide a kind of volume little, detect the box cupling screw-on machine of oil pipe and the pipe collar moment of torsion and the depth of thread automatically.

The objective of the invention is to realize in the following manner, its structure is by frame, servomotor, air compressor machine, singlechip controller, pneumatic tube hoop clip pincers, pneumatic oil pipe clamp, pneumatic oil pipe clamp drives the vapour pressure cylinder, pneumatic oil tube bracket, oil pipe, pipe collar, torque measurement mechanism and oil pipe are screwed into depth survey mechanism and form, wherein, pneumatic tube hoop clip pincers, pneumatic oil pipe clamp and pneumatic oil tube bracket are arranged on the top of frame, servomotor and air compressor machine are separately positioned on the two ends of frame, singlechip controller be arranged on frame or pneumatic tube hoop clip clamp the side, pipe collar is stuck among the pneumatic tube hoop clip pincers, oil pipe passes pneumatic oil pipe clamp and is connected with pipe collar, the afterbody of oil pipe rides on the pneumatic oil tube bracket, oil pipe is screwed into the left side that depth survey mechanism is arranged on pneumatic tube hoop clip pincers, join with the pipe collar left end, torque measurement mechanism is arranged on the side of pneumatic oil pipe clamp.

Economic and Efficiency Analysis:

1 compares with similar hydraulically powered equipment, and power consumption has only 1/3rd, and the hydraulic workstation power of motor is 37KW, and servomotor and air compressor motor power are 22KW, reduces power of motor 17KW, 1 year economize on electricity 31500KW.

2, volume is little, compact conformation, processing, easy transportation and installation, raising factory building utilization rate;

3, noise reduces significantly, meets the environmental requirement of Production Regional noise;

4, the equipment fault maintenance rate reduces greatly, has overcome loaded down with trivial details hydraulic system fault of the prior art;

5, do not have hydraulic system, do not have the fluid water clock, improved plant area's hygienic conditions greatly.

6, adopt the single-chip microcomputer Based Intelligent Control, workpiece is carried out quality testing when connecing operation twisting, guaranteed product quality, improved the utilization rate of oil well, reduce the maintenance rate of oil well, increased economic benefit of enterprises.

7, improve automaticity, overcome loaded down with trivial details manual detection of the prior art, reduced labour intensity, improved production efficiency greatly.

Description of drawings

Accompanyingdrawing 1 is the structural representation of box cupling screw-on machine;

Accompanyingdrawing 2 is screwed into the plan structure schematic diagram of depth survey mechanism for oil pipe.

Description of reference numerals:frame 1,torque sensor 2, the arm offorce 3,air compressor machine 4, pneumaticoil tube bracket 5,oil pipe 6,jaw 7,hinge 8, pneumatic oil pipe clamp drivevapour pressure cylinder 9,slideway 10,singlechip controller 11, pneumatic tubehoop clip pincers 12, oil pipe and are screwed into thatdepth survey mechanism 13,servomotor 14, oil pipe are screwed into degree of depth feelerlever thread bush 15, oil pipe is screwed into depth finding screw rod 16,pipe collar 17, pipe collar locatorscrew rod cover 18,positioning screw 19,slide block 20.

The specific embodiment

Explain below with reference to Figure of description box cupling screw-on machine of the present invention being done.

The box cupling screw-on machine of a kind of automatic detection oil pipe of the present invention and the pipe collar moment of torsion and the depth of thread, its structure is byframe 1,servomotor 14,air compressor machine 4,singlechip controller 11, pneumatic tubehoop clip pincers 12, pneumatic oil pipe clamp, pneumatic oil pipe clamp drivesvapour pressure cylinder 9, pneumaticoil tube bracket 5,oil pipe 6,pipe collar 17, torque measurement mechanism and oil pipe are screwed intodepth survey mechanism 13 and form, wherein, pneumatic tubehoop clip pincers 12, pneumaticoil pipe clamp 7 and pneumaticoil tube bracket 5 are arranged on the top offrame 1,servomotor 14 andair compressor machine 4 are separately positioned on the two ends offrame 1,singlechip controller 11 is arranged on the side offrame 1 or pneumatic tubehoop clip pincers 12,pipe collar 17 is stuck among the pneumatic tubehoop clip pincers 12,oil pipe 6 passes pneumatic oil pipe clamp and is connected withpipe collar 17, the afterbody ofoil pipe 6 rides on the pneumaticoil tube bracket 5, oil pipe is screwed into the left side thatdepth survey mechanism 13 is arranged on pneumatic tubehoop clip pincers 12, join withpipe collar 17 left ends, the torque measurement mechanism that is made up of the arm offorce 3 andtorque sensor 2 is arranged on the side of pneumatic oil pipe clamp.

Pneumatic tubehoop clip pincers 12, pneumatic oil pipe clamp, pneumatic oil pipe clamp drivepneumatic cylinder 9 and are connected withair compressor machine 4 by pipeline with pneumaticoil tube bracket 5.

The bottom of pneumatic oil pipe clamp is connected withframe 1 byslideway 10, and the left end ofslideway 10 drivesvapour pressure cylinder 9 by pneumatic oil pipe clamp and is connected with the left side of pneumatic oil pipe clamp.

Pneumatic oil pipe clamp is made up ofjaw 7,simple chain 8 andslide block 20,jaw 7 is connected withslide block 20 bysimple chain 8, be provided with the arm offorce 3 betweenjaw 7 and theslide block 20, the lower end of the arm offorce 3 is provided withtorque sensor 2 and is connected withslide block 20, and the circuit in thetorque sensor 2 is connected withsinglechip controller 11 by cable.Oil pipe is screwed intodepth survey mechanism 13 and is screwed into depth transducer by pipe collar locator and oil pipe and forms, the pipe collar locator is made up ofscrew rod cover 18 and pipecollar positioning screw 19,pipe collar 17 left ends in the right-hand member of pipecollar positioning screw 19 and the pneumatic tube hoop clip pincers join, oil pipe is screwed intodepth transducer 13 and is made up ofscrew rod cover 15 and oil pipe detection screw rod 16, oil pipe survey screw rod 16 the right-hand member left end that is provided with sensor andoil pipe 6 join, the circuit that oil pipe is screwed in the depth transducer is connected withsinglechip controller 11 by cable.

The on-off circuit ofservomotor 14 andair compressor machine 4 is connected withsinglechip controller 11 by cable.

Embodiment:

Its processing and fabricating of box cupling screw-on machine of a kind of automatic detection oil pipe of the present invention and the pipe collar moment of torsion and the depth of thread is very simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.

Use operation of the present invention is very simple and convenient, start air compressor machine, air compressor machine is by the pneumatic cylinder work at each position of high pressure air drives, at first, pneumatic tube hoop clip pincers add pipe collar and fasten, pneumatic oil pipe clamp and start oil tube bracket and oil pipe is added fasten, pneumatic oil pipe clamp drives the vapour pressure cylinder and spurs pneumatic oil pipe clamp drive oil pipe near pipe collar, pneumatic tube hoop clip pincers drive pipe collar by transmission mechanism and rotate, pipe collar is screwed in oil pipe, detect and be screwed into the degree of depth and moment of torsion compound gauge regularly when oil pipe is screwed into depth finding mechanism and moment of torsion detection agency, oil pipe is screwed into and stops, and is screwed into operation and finishes, when moment of torsion is against regulation if be screwed into the compound regulation of the degree of depth, singlechip controller sends to report to the police and is screwed into the operation failure, illustrates that the tubing round thread error is too small or pipe collar thread size error is excessive.It is not enough to be screwed into the degree of depth if moment of torsion reaches regulation, and same singlechip controller sends warning, is screwed into the operation failure, and explanation tubing round thread error is excessive or pipe collar thread size error is too small.

Detection system is screwed into pipe collar linear measure longimetry mechanism by screw-down torque measuring mechanism, oil pipe and computer system is formed.

(tightening) torque measurement mechanism is arranged on the back splint pincers, sends signal to moment instrument by the arm of force by sensor, and moment instrument sends switching signal to computer, prescribes a time limit when moment exceeds on the range of set value, and pneumatic tube hoop clip pincers stop to tighten.

(oil pipe is screwed into pipe collar) linear measure longimetry mechanism is arranged on the pneumatic tube hoop clip pincers, is made up of locator and measuring appliance.Oil pipe is sent into the preceding supplied materials sensor location of pneumatic tube hoop clip pincers by rollgang, inductor sends signal, low speed was sent to after computer sent the pneumatic oil pipe clamp clamping of instruction oil pipe, locator detects the pipe collar front end face and puts in place, oil pipe low speed is sent to and is stopped, and the pneumatic tube hoop clip clamps pneumatic clamping pipe collar and begins to be screwed into simultaneously, when the amount of being screwed into reaches preset length, measuring appliance detects the oil pipe front end face and puts in place, and pneumatic tube hoop clip pincers stop to tighten.

The judgement that product is qualified:

Detect the amount of being screwed into and reach preset length when oil pipe is screwed into pipe collar linear measure longimetry mechanism, measuring appliance detects the oil pipe front end face and puts in place, and the moment that detects of screw-down torque measuring mechanism is at setting range simultaneously, and the computer-made decision product is qualified.Send qualified signal.

Detect the amount of being screwed into and reach preset length when oil pipe is screwed into pipe collar linear measure longimetry mechanism, measuring appliance detects the oil pipe front end face and puts in place, and the moment that this moment, the screw-down torque measuring mechanism detected is at setting range, and the computer-made decision product is defective, sends defective signal.

Detect the amount of being screwed into and do not reach preset length when oil pipe is screwed into pipe collar linear measure longimetry mechanism, measuring appliance does not detect the oil pipe front end face and puts in place, and the moment that this moment, the screw-down torque measuring mechanism detected exceeds the upper limit of setting range, and the computer-made decision product is defective, sends defective signal.

Except that the described technical characterictic of specification, be the known technology of those skilled in the art.

Claims (6)

1, the box cupling screw-on machine of a kind of automatic detection oil pipe and the pipe collar moment of torsion and the depth of thread, it is characterized in that, comprise frame, servomotor, air compressor machine, singlechip controller, pneumatic tube hoop clip pincers, pneumatic oil pipe clamp, pneumatic oil pipe clamp drives the vapour pressure cylinder, pneumatic oil tube bracket, oil pipe, pipe collar, torque measurement mechanism and oil pipe are screwed into depth survey mechanism, wherein, pneumatic tube hoop clip pincers, pneumatic oil pipe clamp and pneumatic oil tube bracket are arranged on the top of frame, servomotor and air compressor machine are separately positioned on the two ends of frame, singlechip controller be arranged on frame or pneumatic tube hoop clip clamp the side, pipe collar is stuck among the pneumatic tube hoop clip pincers, oil pipe passes pneumatic oil pipe clamp and is connected with pipe collar, the afterbody of oil pipe rides on the pneumatic oil tube bracket, oil pipe is screwed into the left side that depth survey mechanism is arranged on pneumatic tube hoop clip pincers, join with the pipe collar left end, the torque measurement mechanism that is made up of the arm of force and torque sensor is arranged on the side of pneumatic oil pipe clamp.

2, box cupling screw-on machine according to claim 1 is characterized in that pneumatic tube hoop clip pincers, pneumatic oil pipe clamp, pneumatic oil pipe clamp drive pneumatic cylinder and be connected with air compressor machine by pipeline with pneumatic oil tube bracket.

3, box cupling screw-on machine according to claim 1 is characterized in that the bottom of pneumatic oil pipe clamp is connected with frame by slideway, and the left end of slideway drives the vapour pressure cylinder by pneumatic oil pipe clamp and is connected with the left side of pneumatic oil pipe clamp.

4, box cupling screw-on machine according to claim 1, it is characterized in that pneumatic oil pipe clamp is made up of jaw, simple chain and slide block, jaw is connected with slide block by simple chain, be provided with the arm of force between jaw and the slide block, the lower end of the arm of force is provided with torque sensor and is connected with slide block, and the circuit in the torque sensor is connected with singlechip controller by cable.

5, box cupling screw-on machine according to claim 1, it is characterized in that oil pipe is screwed into depth survey mechanism and is screwed into depth transducer by pipe collar locator and oil pipe and forms, the pipe collar locator is made up of screw rod cover and pipe collar positioning screw, pipe collar left end in the right-hand member of pipe collar positioning screw and the pneumatic tube hoop clip pincers joins, oil pipe is screwed into depth transducer and is made up of screw rod cover and oil pipe detection screw rod, oil pipe survey screw rod the right-hand member left end that is provided with sensor and oil pipe join, the circuit that oil pipe is screwed in the depth transducer is connected with singlechip controller by cable.

6, box cupling screw-on machine according to claim 1 is characterized in that the on-off circuit of servomotor and air compressor machine is connected with singlechip controller by cable.

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