CN202882834U - Detecting device for oil drilling blowout preventer - Google Patents
Detecting device for oil drilling blowout preventer Download PDFInfo
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- CN202882834U CN202882834U CN 201220549811 CN201220549811U CN202882834U CN 202882834 U CN202882834 U CN 202882834U CN 201220549811 CN201220549811 CN 201220549811 CN 201220549811 U CN201220549811 U CN 201220549811U CN 202882834 U CN202882834 U CN 202882834U
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Abstract
The utility model discloses a detecting device for an oil drilling blowout preventer and belongs to the technical field of blowout preventer detecting. The detecting device for the oil drilling blowout preventer comprises a machine frame, a driving device arranged on the top of the machine frame, a rotatable extensible output mechanism connected to the driving device, a connecting pipe connected to the lower portion of the output mechanism, a testing rod which is connected to the connecting pipe and capable of penetrating inside the blowout preventer, and an operating platform which is arranged below the testing rod and fixed on the lower portion of the machine frame. An oil pressing barrel is communicated with a hydraulic pressure station. The pressing barrel capable of being connected with the blowout preventer is arranged on the operating platform. The driving device is connected to a programmable logic controller (PLC) and is controlled by the PLC. The detecting device for the oil drilling blowout preventer is simple in structure, convenient to operate and use, rapid in using, low in cost, capable of detecting multiple projects of the blowout preventer and achieving one machine with multiple functions, high in intensity, stable in working, light in weight, good in rigidity, small in machine frame deformation when working, and good in stability.
Description
Technical field
The utility model relates to a kind of testing equipment of preventer detection technique, particularly a kind of preventer.
Background technology
Existing oil drilling preventer testing equipment, employing be hydraulic drive, subject matter is that hydraulic station structure is huge, rapid movement difficulty, the hydraulic cylinder sealing element life-span is short; Simultaneously because existing oil drilling preventer testing equipment, also adopt hydraulic cylinder structure, therefore can only rectilinear motion aspect motion, and can not do gyration, just can only as the pressure-bearing life test that makes a trip, need in addition standby equipment as doing rotation dynamic pressure test corresponding to the test item aspect, existing oil drilling preventer testing equipment function singleness, can only finish single test item, therefore will finish comprehensive detection needs many checkout equipments, and total cost is higher; Existing oil drilling preventer testing equipment still adopts manual read's table record or digital display equipment, and the large precision of error is low.
The utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, easy to use, with low cost, can detect a plurality of projects of preventer, realize the oil drilling preventer testing equipment of a tractor serves several purposes, intensity is high, reliable operation, lightweight, good rigidly, stand stretch is little during work, good stability.
The technical solution adopted in the utility model is as follows:
Oil drilling preventer testing equipment of the present utility model, comprise frame, be arranged at frame top drive unit, be connected in the rotatable flexible on the drive unit output mechanism, be connected to the output mechanism bottom adapter, be connected in the prod in the stretched into preventer in the adapter and be positioned at the prod below and be fixed in the working platform of frame lower, be provided with the well pressure cylinder that can connect preventer on the described working platform, described well pressure cylinder is communicated with Hydraulic Station, and described drive unit and prod all are connected on the PLC controller by its control.
Owing to having adopted said structure, frame is mainly used in carrying the weight of whole testing equipment, drive unit is positioned at the top of frame, can be used for driver output mechanism with and upper adapter and the prod that connects, be connected to the output mechanism on the drive unit, can be under the driving of drive unit, when output mechanism can rotate, can do stretching motion by in the vertical direction, make this checkout gear can the regulation speed under, carry out the continual test that moves up and down, carrying out pressure-bearing makes a trip outside the test such as life-span, the drill stem testing rod can also carry out gyration, finish the tests such as rotation dynamic pressure, realize dual-use, make same equipment can finish hundreds of specification glue core (rotary rubber core of four classes, spherical glue core, conical rubber core, gate rubber core) five kinds of (experiments of sealing performance, fatigue test, preventer dismounting test, the pressure-bearing life test that makes a trip, specified rotation dynamic pressure test) test, efficient is high, cost is low, be connected with adapter on the output mechanism, be connected with prod by adapter again, this prod can extend into and carry out various performance tests in the preventer, being provided with working platform below this prod is used for carrying and preventer is installed, be mainly used in connecting preventer and preventer is fixed on the working platform at the well pressure cylinder on the working platform, be convenient to preventer is carried out various tests, wherein the well pressure cylinder is connected with Hydraulic Station, in order to obtain under the pressure condition of 7Mpa, to test the sealing of glue core and prod, in the pressure volumetric cylinder, set up the necessary condition that constant pressure is experimental rig, therefore, the well pressure cylinder can not have leakage phenomenon on all abutments, the constant pressure in the well pressure cylinder is to pass through pump, valves etc. are dynamically lower guaranteed.When pressure-bearing makes a trip life test, be the proper lubrication drilling rod, frictional force when reducing to make a trip, reduce the wearing and tearing of glue core, allow leakage 4L/min, leakage is by the detection system dynamic measurement, and the function principal security pressure volumetric cylinder of Hydraulic Station is constant the overall process pressure of testing, the variable error of pressure ± 10%, i.e. 0.7Mpa.Hydraulic Station is an extra high voltage system, satisfies the operating pressure 160MPa of preventer, to satisfy the needs of static pressure test.Checkout gear of the present utility model, drive unit wherein and prod are connected on the PLC controller, and this PLC controller can pass through accessory drive and prod, thereby being used for centralized Control detects, make control accurately, accuracy of detection is high, and the online dynamically control of realization and detection, guarantees the accurate of various data.Oil drilling preventer testing equipment of the present utility model, simple in structure, easy and simple to handle, easy to use, with low cost, can detect a plurality of projects of preventer, realize a tractor serves several purposes, intensity is high, reliable operation, lightweight, good rigidly, during work stand stretch little, good stability.
Oil drilling preventer testing equipment of the present utility model, described frame comprises upper spider, side frame assembly and base assembly, be connected by the side frame assembly between described upper spider and the base assembly, be symmetrically installed with two rotary tables on the described side frame assembly, described working platform is installed on the base assembly, and can move horizontally with respect to the base assembly, described drive unit is installed on the upper spider.
Owing to having adopted said structure, the base assembly can carry the weight of whole frame, and working platform is just according on the base assembly, be used for carrying and detect preventer, wherein working platform can move with respect to the base assembly, and working platform can move in the horizontal direction, be convenient to preventer is installed on this working platform first, again this working platform is moved to the prod below and test, thereby make the installation of preventer very easy, avoid upper spider to obstruct the installation of preventer; Simultaneously because the device space is too high, for ease of checkout equipment and change various prods, for this reason special design rotatable loading and unloading platform, it is rotary table, so that the operator is near interface, being provided with two in the appropriate location of side frame can be for the convenient window of coming in and going out of operator, two rotary tables (both sides side frame symmetry respectively arranges one) are set at the window place, be symmetrically installed with two rotary tables on the side frame assembly, cooperated by two operators, just can be in the same place prod and Hooks coupling universal coupling with Bolt Connection, the work of this connection also needs the lifting of screw shell to match.
Oil drilling preventer testing equipment of the present utility model, described drive unit comprises gear and the motor that is connected on the PLC controller, described gear is fixed on the upper spider, be provided with gear wheel in the described gear, described gear wheel simultaneously with a plurality of motor output shafts on pinion, a plurality of motor planetaries are arranged in the limit section of gear wheel, and gear wheel is coaxial with output mechanism, also are connected with check mechanism on the output shaft of each motor.
Owing to having adopted said structure, motor is connected on the PLC controller and by its control, be provided with gear wheel in the gear, four motors are hung soffit at gear with the arrangement of planet, this counter hanging arranges it is in order to reduce the complete machine height, the transmission device casing adopts frame construction, intensity is high, good stability, wherein connect large pinion on the output shaft of four motors, all mesh with gear wheel, wherein gear wheel is coaxial with output mechanism, therefore the rotation of gear wheel can drive the coaxial rotation of output mechanism, thereby can drive test bar preventer is detected, and the output shaft at each motor is provided with check mechanism simultaneously, can control the rotation of motor and gear wheel by this brake, then finally control stopping that test bar rotates or move up and down, test bar is parked in the precalculated position, realize the accurate control to this testing equipment.
Oil drilling preventer testing equipment of the present utility model, described output mechanism comprises the spiral end cap, screw rod, screw-casing and guide pin bushing, the upper end of described guide pin bushing is fixed on the gear, the outer wall of described guide pin bushing is fixed on the upper spider, described guide pin bushing inner sleeve has screw rod, described screw rod is coaxial with the gear wheel in the gear, and gear wheel drives screw rod and rotates with respect to guide pin bushing, cover has screw-casing between described screw rod and the guide pin bushing, be threaded connection between the outer wall of described screw rod and the screw-casing inwall, the lower end of described screw-casing is connected with the spiral end cap, and the lower surface of described screw rod is positioned at the top of spiral end cap, and the spiral end cap is connected with adapter, be provided with feather key on the lower end sidewall of guide pin bushing, described feather key can be positioned at the gathering sill on the screw-casing outer wall, and when making bolt rotary, the screw-casing in the vertical direction moves.
Owing to having adopted said structure, the upper end of guide pin bushing and outer wall thereof are separately fixed on gear and the upper spider, thereby this guide pin bushing is fixed, be used for the movement of screw-casing in the vertical direction is led, screw rod is coaxial with gear wheel, thereby can drive screw rod by gear wheel rotates with respect to guide pin bushing, screw-casing is threaded onto the outer wall of screw rod, when making bolt rotary, screw-casing and screw rod rotate simultaneously, prod is rotated with screw rod, thereby can finish the tests such as rotation dynamic pressure of rotary rubber core; Perhaps during bolt rotary, but screw-casing in the vertical direction back and forth movement, the direction that moves up and down of screw-casing is by the rotation direction control of screw rod, the rotatablely moving or moving up and down of screw-casing, control according to the gathering sill whether feather key on the guide pin bushing sidewall is positioned on the screw-casing, when feather key is positioned at gathering sill, bolt rotary can make screw-casing under the guiding of feather key, do the movement on the vertical direction, make with the screw-casing lower end by taking over the test bar that is connected, can carry out the continual test that moves up and down, carry out the pressure-bearing tests such as life-span that make a trip, can change feather key, make feather key no longer be arranged in gathering sill, screw-casing can be with bolt rotary, thereby make prod can also carry out gyration, finish the tests such as rotation dynamic pressure, realize dual-use, and same equipment can be finished hundreds of specification glue core (rotary rubber core of four classes, spherical glue core, conical rubber core, gate rubber core) five kinds of (experiments of sealing performance, fatigue test, preventer dismounting test, the pressure-bearing life test that makes a trip, specified rotation dynamic pressure test) test, efficient is high, and cost is low; Lower end at screw-casing connects the spiral end cap, this spiral end cap is positioned at the below, lower surface of screw rod, make the spiral end cap rotate simultaneously or move up and down with screw-casing, thereby when screw-casing moves up, can continue to move up by the lower surface engagement limits screw-casing of spiral end cap and screw rod, avoid occuring the phenomenons such as stuck, guarantee surely leaning on of total, guarantee to use safety.
Oil drilling preventer testing equipment of the present utility model also is provided with limit pull rod in the described screw rod, the lower end of described limit pull rod is provided with pull-rod nut, and described pull-rod nut is fixed with the spiral end cap and is connected with adapter; The upper end of described limit pull rod is provided with stopper, and described stopper cooperates with the inner bottom part of screw rod, the stroke of restriction screw-casing in the vertical direction.
Owing to having adopted said structure, limit pull rod is set in screw rod, wherein be connected with the spiral end cap by pull-rod nut in the bottom of limit pull rod, thereby so that limit pull rod can with screw-casing rotate simultaneously or simultaneously in the vertical direction move, meanwhile the top of limit pull rod is provided with stopper, this stopper can not be by the inner bottom part of screw rod, thereby so that stopper cooperates with the inner bottom part of screw rod, can limit the operation stroke of screw-casing in the vertical direction, when avoiding screw-casing to move downward, break away from from screw rod, guarantee the use safety of whole equipment, avoid occuring the installation accident.Pull-rod nut is connected with adapter simultaneously with the spiral end cap, thereby can take over and the upward motion of the test bar of connection by co-controlling, realizes the test to preventer.
Oil drilling preventer testing equipment of the present utility model is provided with the second cushion pad at the inner bottom part of screw rod, is provided with the first cushion pad in the upper surface of spiral end cap, and described pull-rod nut and spiral end cap are connected with taking over by candan universal joint.
Owing to having adopted said structure, be provided with the second cushion pad at the inner bottom part of screw rod, at the fixing limit pull rod of screw-casing, move up and down with screw-casing, the stopper fixing when the limit pull rod top contacts with the second cushion pad, a cushioning effect; In like manner, be provided with the first cushion pad on the upper surface of spiral end cap, the spiral end cap moves up and down with screw-casing, when guide pin bushing contacts with the first cushion pad, play cushioning effect, candan universal joint is with prod and adapter is connected to pull-rod nut and spiral end covers, wherein candan universal joint is a flexible connector, and is because be set to prod from transmission device through elevating screws, supporting with annular rubber core again, it is the combination of too many levels, definitely coaxial each other is impossible, causes all multiple faultss of mechanical system for fear of the monolateral stressed friction that causes the glue core, increases a flexible link, compensate manufacturing between disalignment with this, alignment error makes motor coordination consistent.
Oil drilling preventer testing equipment of the present utility model, be provided with two row's balls between the upper end outer wall of described screw rod and the upper end inwall of guide pin bushing, be provided with ball grooves on the outer wall of described screw rod and the inwall of guide pin bushing, described ball is positioned at ball grooves and forms thrust bearing; The upper end of described guide pin bushing is fixed on the gear by supporting seat, and cover has locking nut on the outer wall of described guide pin bushing, and guide pin bushing is fixed on the upper spider.
Owing to having adopted said structure, between screw rod and guide pin bushing, arrange balls by arranging two, formation is similar to thrust bearing, thereby can bear the weight of whole screw rod and bottom device thereof, can guarantee relatively rotating between screw rod and the guide pin bushing again, thereby can guarantee that whole process of the test is complete, wherein be provided with ball grooves at the outer wall of screw rod and the inwall of guide pin bushing, can hold ball in the ball grooves and form thrust bearing, can relatively rotate thereby make between screw rod and the guide pin bushing, wherein guide pin bushing is fixed on the gear by supporting seat, so that can driving screw rod, the rotation of gear wheel rotates with respect to guide pin bushing, guide pin bushing is mainly used in ensureing that screw rod is rotating, when screw is rotated simultaneously, the guide pin bushing lead screw is enclosed within the moving direction on the vertical direction, simultaneously for fear of the guide pin bushing disturbance, guide pin bushing is fixed on the upper spider, guarantee that its structure surely leans on, therefore the outer wall cover at guide pin bushing has locking nut, guide pin bushing can be fixed on the upper spider by this locking nut, guide pin bushing can be locked on the upper spider by this locking nut, guarantee that the structure of whole equipment is surely leaned on, make its life-span longer.
Oil drilling preventer testing equipment of the present utility model, the lower end of described well pressure cylinder is passed working platform and is connected with locking nut, the upper end of described well pressure cylinder is connected with connecting flange, be provided with positioner on the base assembly of described working platform below, described positioner can be stuck on the working platform it is fixed.
Owing to having adopted said structure, the detection piece installed surface of working platform is made of 36 platens, has the collection that the ditch seam is convenient to seepage liquid to concentrate between the platen; Platen is heat-treated with QPQ and is processed, and has increased abrasive resistance; The well pressure cylinder hangs on the working platform, fixes with nut, installs very convenient.In order to guarantee well pressure cylinder and prod centering, vertically move on the direction, be fixed by the positioner that arranges on the base assembly, horizontal direction is after well pressure cylinder and working platform are adjusted the position, getting final product with nut is fixing again.In order to obtain under the pressure condition of 7Mpa, to test the sealing of glue core and prod, in the well pressure cylinder, set up the necessary condition that constant pressure is experimental rig, therefore, the well pressure cylinder can not have leakage phenomenon on all abutments, the constant pressure in the well pressure cylinder is dynamically lower guaranteed by pump, valve etc.Wherein the upper end of well pressure cylinder is connected with connecting flange, and is connected and sealed by this connecting flange and preventer.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, oil drilling preventer testing equipment of the present utility model can finish fast the motion that makes a trip, and it is simple and compact for structure, and the life-span is long, installs easy to adjust;
2, oil drilling preventer testing equipment of the present utility model both can carry out the pressure-bearing tests such as life-span that make a trip, and can also carry out gyration, finished the tests such as rotation dynamic pressure, realized dual-use.
3, oil drilling preventer testing equipment of the present utility model, the equipment course of work are automatically control, and all numerals are all gathered in the PLC controller, and record and printing.
4, oil drilling preventer testing equipment of the present utility model, equipment is applied widely, can finish five kinds of hundreds of specification of four class glue cores (rotary rubber core, spherical glue core, conical rubber core, gate rubber core) (experiments of sealing performance, fatigue test, preventer dismounting test, pressure-bearing make a trip life test, specified rotation dynamic pressure test) tests.
5, oil drilling preventer testing equipment of the present utility model, candan universal joint is a flexible connector, manufacturing, alignment error between the compensation disalignment make motor coordination consistent;
6, oil drilling preventer testing equipment of the present utility model is lightweight, good rigidly, during work stand stretch little, Hydraulic Station guarantees constant at the overall process pressure of test of pressure volumetric cylinder, the variable error of pressure ± 10%;
7, oil drilling preventer testing equipment of the present utility model, motor is hung under gear-box with the arrangement of planet, and the complete machine height reduces, and the transmission device casing adopts frame construction, and intensity is high, good stability.
Description of drawings
Fig. 1 is the structural representation of oil drilling preventer testing equipment of the present utility model;
Fig. 2 is the structural representation of transmission system part among Fig. 1;
Fig. 3 is the partial enlarged drawing of I part among Fig. 2.
Mark among the figure: 1-gear, the 2-upper spider, 3-side frame assembly, 4-base assembly, the 5-working platform, the 6-check mechanism, the 7-positioner, the 8-candan universal joint, 9-takes over, the 10-prod, the 11-connecting flange, 12-well pressure cylinder, the sealing of 13-well pressure cylinder, the 14-locking nut, the 15-ball, the 16-pull-rod nut, 17-spiral end cap, 18-the first cushion pad, the 19-feather key, 20-the second cushion pad, the 21-limit pull rod, the 22-screw rod, the 23-screw-casing, the 24-guide pin bushing, the 25-locking nut, the 26-supporting seat, the 27-stopper, the 28-bearing, the 29-key, the 30-screw rod, the 31-nut, the 32-alignment pin, the 33-motor.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 3, oil drilling preventer testing equipment of the present utility model, comprise frame, be arranged at the drive unit of frame top, be connected in the output mechanism of the rotatable flexible on the drive unit, be connected to the adapter 9 of output mechanism bottom, be connected in the prod 10 in the stretched into preventer of taking on 9, and be positioned at prod 10 belows and be fixed in the working platform 5 of frame lower, its mid frame comprises upper spider 2, side frame assembly 3 and base assembly 4, be connected by side frame assembly 3 between described upper spider 2 and the base assembly 4, be symmetrically installed with two rotary tables on the described side frame assembly 3, described working platform 5 is installed on the base assembly 4, and can move horizontally with respect to base assembly 4, described drive unit is installed on the upper spider 2; Wherein said drive unit comprises gear 1 and the motor 33 that is connected on the PLC controller, described gear 1 is fixed on the upper spider 2, be provided with gear wheel in the described gear 1, described gear wheel simultaneously with a plurality of motor 33 output shafts on pinion, a plurality of motor 33 planets are arranged in the limit section of gear wheel, gear wheel is coaxial with output mechanism, also be connected with check mechanism 6 on the output shaft of each motor 33, wherein check mechanism 6, be installed on the gear, and in gear, be provided with the taper brake body, cone match between the upper surface of the pinion that connects on the described motor output shaft and the taper brake body, be connected with control assembly on the taper brake body, described control assembly makes the taper brake body vertically mobile, the braking of control pinion, described control assembly comprises the stud shaft that is fixedly connected on the taper brake body, described taper brake body and stud shaft pass pedestal, described pedestal is fixedly connected with gear, described stud shaft is connected with driver, described driver is connected in and detects on the control system, detecting control system is connected on the PLC controller, described taper brake body overcoat has spring, described spring makes the taper brake body have the trend of fitting to the upper surface of pinion between taper brake body and pedestal; Described taper brake body comprises tapering and neck, cone match between the upper surface of described tapering and pinion, described spring is placed in outside the neck, and described spring forms by a plurality of butterfly springs are overlapping, wherein driver comprises braking motor, the brake turbine that cooperates with braking motor, described stud shaft passes the middle part of brake turbine, and and pass through threaded engagement between the brake turbine, the top sidewall of described stud shaft is provided with keyway, between this keyway and the casing feather key is set, and described stud shaft can be vertically mobile with respect to brake turbine by this feather key.Described detection control system comprises the checkout gear at the top that is arranged at stud shaft, and described checkout gear is connected on the PLC controller, and described PLC controller connects also control braking motor, and is connected by key between taper brake body and pedestal; Described output mechanism comprises spiral end cap 17, screw rod 22, screw-casing 23 and guide pin bushing 24, the upper end of described guide pin bushing 24 is fixed on the gear 1, the outer wall of described guide pin bushing 24 is fixed on the upper spider 2, described guide pin bushing 24 inner sleeves have screw rod 22, described screw rod 22 is coaxial with the gear wheel in the gear 1, and gear wheel drives screw rod 22 and rotates with respect to guide pin bushing 24, cover has screw-casing 23 between described screw rod 22 and the guide pin bushing 24, be threaded connection between the outer wall of described screw rod 22 and screw-casing 23 inwalls, the lower end of described screw-casing 23 is connected with spiral end cap 17, the lower surface of described screw rod 22 is positioned at the top of spiral end cap 17, and spiral end cap 17 is connected with adapter 9, be provided with feather key 19 on the lower end sidewall of guide pin bushing 24, described feather key 19 can be positioned at the gathering sill on screw-casing 23 outer walls, when screw rod 22 was rotated, screw-casing 23 in the vertical directions moved; Also be provided with limit pull rod 21 in the described screw rod 22, the lower end of described limit pull rod 21 is provided with pull-rod nut 16, and described pull-rod nut 16 is fixed with spiral end cap 17 and is connected with adapter 9; The upper end of described limit pull rod 21 is provided with stopper 27, described stopper 27 cooperates with the inner bottom part of screw rod 22, the stroke of restriction screw-casing 23 in the vertical directions, inner bottom part at screw rod 22 is provided with the second cushion pad 22, be provided with the first cushion pad 18 in the upper surface of spiral end cap 17, described pull-rod nut 16 is connected with adapter 9 by candan universal joint 8 with spiral end cap 17; Be provided with two row's balls 15 between the upper end outer wall of described screw rod 22 and the upper end inwall of guide pin bushing 24, be provided with ball grooves on the inwall of the outer wall of described screw rod 22 and guide pin bushing 24, described ball 15 is positioned at ball grooves and forms thrust bearing; The upper end of described guide pin bushing 24 is fixed on the gear 1 by supporting seat 26, cover has locking nut 25 on the outer wall of described guide pin bushing 24, guide pin bushing 24 is fixed on the upper spider 2, be provided with the well pressure cylinder 12 that can connect preventer on the described working platform 5, described well pressure cylinder 12 is communicated with Hydraulic Station, the lower end of described well pressure cylinder 12 is passed working platform 5 and is connected with locking nut 14, the upper end of described well pressure cylinder 12 is connected with connecting flange 11, be provided with positioner 7 on the base assembly 4 of described working platform 5 belows, described positioner 7 can be stuck on the working platform 5 to be fixed it; Described drive unit and prod 10 all are connected on the PLC controller by its control.
Oil drilling preventer testing equipment of the present utility model, the elevating screws cover is a long 2400mm, the inner screw sheath of diameter 450mm, select quenched and tempered steel to make, guaranteed that lifting travel reaches 1500mm, again owing to bearing axial compression, so also certain rigidity to be arranged, the lifting nut sleeve pipe be one with the sleeve of spiral, when transmission device drives the screw rod high speed rotating, each second, stroke reached 600mm, 5000 times Cyclic test in 10 hours, as adopt common checkout equipment, hydraulic drive calorific value wherein is very large, its cooling, heat radiation all is difficult point, and the fuel tank volume may be very huge; And adopt the elevating screws nested structure just not have these problems; Adopt the screw-casing structure, decapacitation is carried out the continual test that moves up and down under the speed of regulation, carry out pressure-bearing and make a trip outside the test such as life-span, by changing feather key, the drill stem testing rod can also carry out gyration, finish the tests such as rotation dynamic pressure, realize dual-use.
Oil drilling preventer testing equipment of the present utility model can finish fast the motion that makes a trip, and it is simple and compact for structure, and the life-span is long, installs easy to adjust; Both can carry out the pressure-bearing tests such as life-span that make a trip, can also carry out gyration, finish the tests such as rotation dynamic pressure, realize dual-use.The equipment course of work is automatically control, all numerals are all gathered in the PLC controller, and record and printing, equipment is applied widely, can finish five kinds of hundreds of specification of four class glue cores (rotary rubber core, spherical glue core, conical rubber core, gate rubber core) (experiments of sealing performance, fatigue test, preventer dismounting test, pressure-bearing make a trip life test, specified rotation dynamic pressure test) tests; Candan universal joint is a flexible connector, and manufacturing, alignment error between the compensation disalignment make motor coordination consistent; Lightweight, good rigidly, during work stand stretch little, Hydraulic Station guarantees constant at the overall process pressure of test of pressure volumetric cylinder, the variable error of pressure ± 10%; Motor is hung under gear-box with the arrangement of planet, and the complete machine height reduces, and the transmission device casing adopts frame construction, and intensity is high, good stability.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. oil drilling preventer testing equipment, it is characterized in that: it comprises frame, be arranged at the drive unit of frame top, be connected in the output mechanism of the rotatable flexible on the drive unit, be connected to the adapter (9) of output mechanism bottom, be connected in the prod (10) in the stretched into preventer in the adapter (9), and be positioned at prod (10) below and be fixed in the working platform (5) of frame lower, be provided with the well pressure cylinder (12) that can connect preventer on the described working platform (5), described well pressure cylinder (12) is communicated with Hydraulic Station, and described drive unit and prod (10) all are connected on the PLC controller by its control.
2. oil drilling preventer testing equipment as claimed in claim 1, it is characterized in that: described frame comprises upper spider (2), side frame assembly (3) and base assembly (4), be connected by side frame assembly (3) between described upper spider (2) and the base assembly (4), be symmetrically installed with two rotary tables on the described side frame assembly (3), described working platform (5) is installed on the base assembly (4), and can move horizontally with respect to base assembly (4), described drive unit is installed on the upper spider (2).
3. oil drilling preventer testing equipment as claimed in claim 2, it is characterized in that: described drive unit comprises gear (1) and is connected to motor (33) on the PLC controller, described gear (1) is fixed on the upper spider (2), described gear is provided with gear wheel in (1), described gear wheel simultaneously with a plurality of motors (33) output shaft on pinion, a plurality of motors (33) planet is arranged in the limit section of gear wheel, gear wheel is coaxial with output mechanism, also is connected with check mechanism (6) on the output shaft of each motor (33).
4. oil drilling preventer testing equipment as claimed in claim 3, it is characterized in that: described output mechanism comprises spiral end cap (17), screw rod (22), screw-casing (23) and guide pin bushing (24), the upper end of described guide pin bushing (24) is fixed on the gear (1), the outer wall of described guide pin bushing (24) is fixed on the upper spider (2), described guide pin bushing (24) inner sleeve has screw rod (22), described screw rod (22) is coaxial with the gear wheel in the gear (1), and gear wheel drives screw rod (22) and rotates with respect to guide pin bushing (24), cover has screw-casing (23) between described screw rod (22) and the guide pin bushing (24), be threaded connection between the outer wall of described screw rod (22) and screw-casing (23) inwall, the lower end of described screw-casing (23) is connected with spiral end cap (17), the lower surface of described screw rod (22) is positioned at the top of spiral end cap (17), and spiral end cap (17) is connected with adapter (9), be provided with feather key (19) on the lower end sidewall of guide pin bushing (24), described feather key (19) can be positioned at the gathering sill on screw-casing (23) outer wall, when screw rod (22) was rotated, screw-casing (23) in the vertical direction moved.
5. oil drilling preventer testing equipment as claimed in claim 4 is characterized in that: described
Also be provided with limit pull rod (21) in the screw rod (22), the lower end of described limit pull rod (21) is provided with pull-rod nut (16), and described pull-rod nut (16) is fixed with spiral end cap (17) and is connected with adapter (9); The upper end of described limit pull rod (21) is provided with stopper (27), and described stopper (27) cooperates with the inner bottom part of screw rod (22), the stroke of restriction screw-casing (23) in the vertical direction.
6. oil drilling preventer testing equipment as claimed in claim 5, it is characterized in that: the inner bottom part at screw rod (22) is provided with the second cushion pad (22), be provided with the first cushion pad (18) in the upper surface of spiral end cap (17), described pull-rod nut (16) is connected with adapter (9) by candan universal joint (8) with spiral end cap (17).
7. oil drilling preventer testing equipment as claimed in claim 4, it is characterized in that: be provided with two row's balls (15) between the upper end inwall of the upper end outer wall of described screw rod (22) and guide pin bushing (24), be provided with ball grooves on the inwall of the outer wall of described screw rod (22) and guide pin bushing (24), described ball (15) is positioned at ball grooves and forms thrust bearing; The upper end of described guide pin bushing (24) is fixed on the gear (1) by supporting seat (26), and cover has locking nut (25) on the outer wall of described guide pin bushing (24), and guide pin bushing (24) is fixed on the upper spider (2).
8. such as the described oil drilling preventer of one of claim 1 to 7 testing equipment, it is characterized in that: the lower end of described well pressure cylinder (12) is passed working platform (5) and is connected with locking nut (14), the upper end of described well pressure cylinder (12) is connected with connecting flange (11), be provided with positioner (7) on the base assembly (4) of described working platform (5) below, described positioner (7) can be stuck in working platform (5) and upward it be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549811 CN202882834U (en) | 2012-10-25 | 2012-10-25 | Detecting device for oil drilling blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549811 CN202882834U (en) | 2012-10-25 | 2012-10-25 | Detecting device for oil drilling blowout preventer |
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| Publication Number | Publication Date |
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| CN202882834U true CN202882834U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220549811 Expired - Fee Related CN202882834U (en) | 2012-10-25 | 2012-10-25 | Detecting device for oil drilling blowout preventer |
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| Country | Link |
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| CN (1) | CN202882834U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027394A1 (en) * | 2013-08-27 | 2015-03-05 | 山推工程机械股份有限公司 | Hybrid vehicle and driving motor system thereof |
| CN105019853A (en) * | 2015-07-28 | 2015-11-04 | 中国重型机械研究院股份公司 | Multifunctional combined-type well mouth well-control product testing device |
| CN105954133A (en) * | 2016-06-01 | 2016-09-21 | 西南石油大学 | Rotating control head rubber core abrasion experiment equipment |
| CN111458083A (en) * | 2020-03-11 | 2020-07-28 | 中国石油集团渤海钻探工程有限公司 | Sealing test pressure testing device for rotary blowout preventer and application thereof |
-
2012
- 2012-10-25 CN CN 201220549811 patent/CN202882834U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027394A1 (en) * | 2013-08-27 | 2015-03-05 | 山推工程机械股份有限公司 | Hybrid vehicle and driving motor system thereof |
| CN105019853A (en) * | 2015-07-28 | 2015-11-04 | 中国重型机械研究院股份公司 | Multifunctional combined-type well mouth well-control product testing device |
| CN105954133A (en) * | 2016-06-01 | 2016-09-21 | 西南石油大学 | Rotating control head rubber core abrasion experiment equipment |
| CN105954133B (en) * | 2016-06-01 | 2019-03-12 | 西南石油大学 | A kind of experimental facilities of swivel control head glue core abrasion |
| CN111458083A (en) * | 2020-03-11 | 2020-07-28 | 中国石油集团渤海钻探工程有限公司 | Sealing test pressure testing device for rotary blowout preventer and application thereof |
| CN111458083B (en) * | 2020-03-11 | 2022-12-06 | 中国石油集团渤海钻探工程有限公司 | Sealing test pressure testing device for rotary blowout preventer |
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