CN205665084U - Meticulous controlling means of cake thickness - Google Patents
Meticulous controlling means of cake thickness Download PDFInfo
- Publication number
- CN205665084U CN205665084U CN201620552558.5U CN201620552558U CN205665084U CN 205665084 U CN205665084 U CN 205665084U CN 201620552558 U CN201620552558 U CN 201620552558U CN 205665084 U CN205665084 U CN 205665084U
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- support
- gear
- blade
- cake thickness
- motor
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Abstract
The utility model provides a meticulous controlling means of cake thickness, including support, scraper subassembly, spiral micro actuator and imitative ground pit shaft base, the blade is highly corresponding in the position of spiral micro actuator and the scraper subassembly, the spiral micro actuator includes coarse adjusting knob, accurate adjustment knob, planetary gear train, connecting rod and rack and pinion mechanism, and the gear of rack and pinion mechanism encapsulates inside the support, the rack is fixed in and relative with the back of a knife blade of blade on the support, and planetary gear train comprises outer ring gear, sun gear and planet wheel, and the coarse adjusting knob links firmly with outer ring gear, and the sun gear is connected to the accurate adjustment knob, the one end salient of connecting rod in the support and be fixed in that the external tooth circles, the other end lies in inside the support and gear connection, the utility model discloses utilizing the spiral micro actuator to carry out meticulous control to the cake thickness, utilizing the drive of motor, improve the speed of getting rid of virtual mud cake in the laboratory, improve the experiment degree of accuracy, meticulous control cake thickness facilitates for the research of the scientific research problem that relates to the cake thickness.
Description
Technical field
This utility model relates to a kind of use for laboratory can finely control the machinery of cake thickness, belongs to oil drilling work
Journey technical field.
Background technology
Well cementation second interface refers to the cement plane between cement sheath and stratum (or outer layer sleeve).The interlayer that oil field is run into alters,
Manage outer bleed air water, annular space " sound change ", the problem such as " sound width " at an interface of cementing the well all have with well cementation second interface sealing thrashing
Directly relation.After well cementing operation completes, mud cake is clipped between cement mortar and stratum, and the quality of mud cake is directly connected to cement the well two
The bonding quality at interface.So, the research of well cementation second interface is a big emphasis of drilling engineering.
In order to further investigate well cementation second interface, professor Gu Jun develop imitation wellbore preparation method (patent No.:
ZL200810047342.3), up to the present, laboratory have been carried out including drilling fluid, curing time, mud cake modifying agent,
Cake thickness etc. on well cementation second interface cementing strength impact experimentation, all of experiment all be unable to do without preparation imitation wellbore with
Remove the process of false filter cake.Present stage, laboratory removal false filter cake uses Glass rod and scrapes the mode of mud cake, and which is tested
Inefficient, there is in uneven thickness, the rough problem in mud cake face produced because of manual operation unavoidably.
So far, many scholars are devoted to the research of mud cake, and Patents is divided into two kinds, and one is mud under different condition
Producing of cake, another kind is the measurement of cake thickness.Method involved by both types patent all cannot directly obtain tool
There is certain thickness mud cake, there is the problem that conventional efficient is relatively low, experimental result error is bigger unavoidably.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of based on Gu Jun professor " imitative ground well
Cylinder preparation method " patent cake thickness precise controlling device.
Realizing the technical scheme that this utility model purpose used is, a kind of cake thickness precise controlling device, at least wraps
Include support and the doctor assemblies being installed on support, support is provided with spiral micro actuator and imitation wellbore pedestal, doctor assemblies,
Spiral micro actuator and imitation wellbore pedestal order from top to bottom is installed on support, in the position of spiral micro actuator and doctor assemblies
The height of blade is corresponding；Described spiral micro actuator includes coarse adjustment knob, accurate adjustment knob, planet circular system, connecting rod and gear teeth
Bar mechanism, the gear of pinion and rack is packaged in internal stent, tooth bar is fixed on the installation offered in the horizontal direction on support
In hole and relative with the knife back of blade, described planet circular system is made up of external toothing, sun gear, planetary gear and planet carrier, coarse adjustment
Knob and external toothing are connected, and accurate adjustment knob connects sun gear, one end of connecting rod protrude from support and be fixed on external toothing,
The other end is positioned at internal stent and is connected with gear, and sun gear and planetary gear are all connected with gear by planet carrier, planet carrier
Coordinate with gear clearance.
Described doctor assemblies includes motor, bull stick, blade and blade fastener, and the rotating shaft of motor is connected with bull stick,
The axis of bull stick and the dead in line of imitation wellbore pedestal, offer the insert groove running through bull stick vertically in bull stick, blade leads to
Cross blade fastener to be fixed in insert groove.
Described motor is connected with support by motor fixation kit, described motor fixation kit include motor fix cylinder,
Cross bar and threaded fastener, motor is installed on motor and fixes in cylinder, and one end of cross bar and motor are fixed the side of cylinder and be connected, separately
One end is fixed on support by threaded fastener.
Offering chute on described support vertically, cross bar is provided with the cunning matched with chute near the end of support
Block, slide block constitutes sliding pair with chute.
It is equipped with scale on the outer surface of described coarse adjustment knob and accurate adjustment knob.
Described imitation wellbore pedestal is connected with support, and the endoporus aperture of imitation wellbore pedestal is equal to the external diameter of imitation wellbore.
Described tooth bar is provided with rule, and rule contacts with the knife back of blade.
Described connecting rod is bending, is made up of 3 sections of folding arms, and two sections of horizontal folding arms are individually fixed in the two ends of vertical folding arm
And be positioned at the both sides of vertical folding arm, wherein one section of horizontal folding arm be positioned at support outer and be fixed on external toothing, another section of water
Flat-folded arm is installed in support and is connected with gear.
Support is provided with base, and base is positioned at the underface of imitation wellbore pedestal.
Described planet carrier is herringbone, and including sun gear support and L-type planetary carrier, the two ends of sun gear support are respectively
Be positioned at sun gear and in installing hole that gear centre is offered and with installing hole matched in clearance, one end set of L-type planetary carrier
Coordinate on sun gear support and with sun gear standoff gap, the other end is connected with the center of planetary gear.
As shown from the above technical solution, the cake thickness precise controlling apparatus main body that this utility model provides includes four
Point: support, doctor assemblies, spiral micro actuator and imitation wellbore pedestal, wherein 1, support, for the integrated support structure of device, with
Time limit doctor assemblies motion track；2, doctor assemblies, is used for striking off false filter cake, including motor, bull stick, blade and blade
Securing member, bull stick by motor-driven, be used for fixing blade, bull stick drives blade rotation, and the blade rod axis that rotates does dead axle and turns
Dynamic, the false filter cake that will be located in its radius of gyration strikes off, thus obtains setting the mud cake of thickness；3, spiral micro actuator, for essence
Really regulate the radius of gyration of blade, including coarse adjustment knob, accurate adjustment knob, planet circular system, connecting rod and pinion and rack, internal
Integrated planet circular system, the sun gear of planet circular system and external toothing have a tooth ratio, thus realize blade rotation radius coarse adjustment and
Accurate adjustment, planet circular system and pinion and rack transmit moment of torsion by connecting rod, and coarse adjustment knob and external toothing are connected, accurate adjustment knob connects
Connecing sun gear, coarse adjustment knob and accurate adjustment knob and be torque input end, connecting rod connects external toothing and gear, and external toothing is moment of torsion
Outfan, planet carrier realizes the connection between sun gear, planetary gear and gear, and planet carrier all uses gap with sun gear and gear
Coordinate, form two groups of revolute pairs, i.e. planet carrier and only play support sun gear and the effect of planetary gear, and do not transmit moment of torsion, external tooth
The moment of torsion of circle output acts on the gear of pinion and rack, by pinion and rack, torque axis is turned to tooth bar along level
The movement in direction, tooth bar is relative with the knife back of blade, and tooth bar is provided with rule, and rule contacts with the knife back of blade, tooth
Bar acts on blade and then the radius of gyration of regulation blade by rule；4, imitation wellbore pedestal, with Gu Jun professor " imitative ground well
Cylinder preparation method " imitation wellbore prepared by patent supports the use, and is used for placing imitation wellbore, and mud cake is positioned in imitation wellbore.
Motor is connected with support by motor fixation kit, and motor is positioned over motor and fixes in cylinder, solid by motor
Motor installed by safety barrel, it is not necessary to changing the self structure of motor, support is offered chute vertically, cross bar is near support
End is provided with the slide block matched with chute, and slide block constitutes sliding pair with chute, by slide block and chute restrictions motor around
The rotational freedom of support, rotates when preventing motor from moving up and down, it is ensured that the degree of regulation of blade rotation radius；The void struck off
Mud cake is by being arranged at the base access of the underface of imitation wellbore pedestal, it is to avoid false filter cake pollutes laboratory table.
Compared with scraping mud cake technology with existing Glass rod, the cake thickness precise controlling device that this utility model provides has
Following beneficial effect:
1, this utility model utilizes spiral micro actuator to finely control cake thickness, changes traditional glass rod and scrapes mud
The defect that cake is uneven, utilizes the drive of motor, improves laboratory and removes the speed of false filter cake, drastically increases experiment standard
Exactness, can finely control cake thickness, and the Scientific Research Problem relating to cake thickness for research provides convenient.
2, the cake thickness precise controlling device that this utility model provides, each ingredient simple in construction, it is easy to operation, essence
Spending higher, highly reliable, device processing technology is simple, and the imitation wellbore preparation facilities cooperation that professor Gu Jun develops makes
With, there is wide popularizing application prospect.
Accompanying drawing explanation
The structural representation of the cake thickness precise controlling device that Fig. 1 provides for this utility model.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the top view after Fig. 1 removes motor.
Fig. 5 is the external structure of spiral micro actuator.
Fig. 6 is the cut-away view of spiral micro actuator.
Wherein, 1-support, 2-doctor assemblies, 3-spiral micro actuator, 4-imitation wellbore pedestal, 5-motor fixation kit, 6-
Base, 7-chute, 8-cross bar, 9-rule, 10-accurate adjustment knob, 11-coarse adjustment knob, 12-motor, 13-blade, 14-turns
Bar, 15-blade fastener, 16-threaded fastener, 17-motor fixes cylinder, 18-insert groove, 19-scale, 20-external toothing, 21-
Sun gear, 22-planetary gear, 23-connecting rod, 24-gear, 25-tooth bar, 26-planet carrier, 261-sun gear support, 262-L type row
Star-wheel support.
Detailed description of the invention
With embodiment, this utility model is illustrated in detail below in conjunction with the accompanying drawings, content of the present utility model not office
It is limited to following example.
The cake thickness precise controlling device that this utility model provides, its structure is as it is shown in figure 1, include support 1, scraper group
Part 2, spiral micro actuator 3, imitation wellbore pedestal 4, motor fixation kit 5 and base 6, doctor assemblies 2, spiral micro actuator 3, imitative ground
Pit shaft pedestal 4 and base 6 order from top to bottom is installed on support 1, and base 6 a size of 200*120*10mm, support 1 is a diameter of
10mm, Design of length value are 600mm, and base 6 is positioned at the underface of imitation wellbore pedestal 4, described imitation wellbore pedestal 4 and support
1 is connected, imitation wellbore pedestal 4 height is 50mm, internal diameter is 100mm (external diameter of imitation wellbore is 100mm), wall thickness is 10mm,
Distance base upper surface is 150mm, and motor fixation kit 5 is for supporting the motor 12 in doctor assemblies 2, spiral micro actuator 3
Position corresponding with the height of blade in doctor assemblies 13；
Seeing Fig. 2 to Fig. 4, described doctor assemblies 2 includes motor 12, bull stick 14, blade 13 and blade fastener 15, electricity
The rotating shaft of motivation 12 is connected with bull stick 14, the axis of bull stick 14 and the dead in line of imitation wellbore pedestal 4, opens vertically in bull stick
Being provided with the insert groove 18 running through bull stick, blade is fixed in insert groove 18 by blade fastener, the long 120mm of blade, width,
25mm, the setting value at edge tilted angle is 45 °, is 20mm bottom insert bottom distance bull stick, to ensure that next step finely tunes work
Be smoothed out；
Seeing Fig. 2, described motor fixation kit 2 includes that motor fixes cylinder 17, cross bar 8 and threaded fastener 16, motor
12 are installed on motor fixes in cylinder 17, and one end of cross bar 8 and motor fix that the side of cylinder 17 is connected, the other end passes through screw threads for fastening
Part 16 is fixed on support 1, and support 1 offers chute 7 vertically, and cross bar is provided with near the end of support and chute phase
The slide block joined, slide block and chute 7 constitute sliding pair, a length of 300mm of chute, a width of 6mm, chute bottom distance imitation wellbore
The end face vertical dimension of pedestal 4 is 100mm, distance base 6 bottom surface (laboratory table) 310mm；
Seeing Fig. 5 and Fig. 6, described spiral micro actuator includes coarse adjustment knob 11, accurate adjustment knob 10, planet circular system, connecting rod
23, rule 9 and pinion and rack, the gear 24 of pinion and rack is packaged in support 1 inside, tooth bar 25 is fixed on support
On in the installing hole offered in the horizontal direction and relative with the knife back of blade 13, rule 9 is connected and rule 9 with tooth bar
Contacting with the knife back of blade, described planet circular system is made up of, slightly external toothing 20, sun gear 21, planetary gear 22 and planet carrier 26
Adjusting knob 11 to be connected with external toothing 20, accurate adjustment knob 10 connects sun gear 21, on the outer surface of coarse adjustment knob and accurate adjustment knob all
Being provided with scale 19, described connecting rod 23 is in bending, be made up of 3 sections of folding arms, and two sections of horizontal folding arms are individually fixed in vertical folding arm
Two ends and be positioned at the both sides of vertical folding arm, wherein one section of horizontal folding arm be positioned at support 1 outer and be fixed on external toothing 20,
Another section of horizontal folding arm is installed in support 1 and is connected with gear 24, and sun gear and planetary gear are all by planet carrier and gear
Connecting, described planet carrier 26 is in herringbone, including sun gear support 261 and L-type planetary carrier 262, the two of sun gear support
In the installing hole that end lays respectively at sun gear and gear centre is offered and with installing hole matched in clearance, L-type planetary carrier
One end is placed on sun gear support and coordinates with sun gear standoff gap, the other end is connected with the center of planetary gear.
This cake thickness precise controlling device and the patent of invention of Gu Jun professor " a kind of imitation wellbore and preparation method thereof "
The imitation wellbore that (patent No. ZL200810047342.3) provides with the use of, concrete operation step is as follows:
(1) first prepare there is the imitation wellbore of specific permeability and porosity, seal one end of imitation wellbore, by drilling well
Liquid is placed in a period of time in imitation wellbore, and simulation drilling fluid obtains the mud with unknown thickness to the static filtration of the imitative ground borehole wall
Cake, and imitation wellbore is put in imitation wellbore pedestal 4；
(2) then the blade 13 cleaned up is loaded in insert groove 18, unclamp the threaded fastener 16 of motor 12, will
Motor fixation kit 5 and doctor assemblies 2 jointly move down a segment distance and fix, it is therefore an objective to the radius of turn making blade 13 can
With adjusted；
(3) from the original position adjusting knob of spiral micro actuator 3, first regulate with coarse adjustment knob 11, fast close to specifying mud cake
During thickness, use accurate adjustment knob 10 instead and regulate to assigned scale, reach to regulate the purpose of blade radius of turn by rule 9；
(4) good blade 13 to be adjusted and fixing after, spiral micro actuator is recovered in situ, by motor fixation kit 5 with scrape
Knife assembly 2 jointly descends to chute 7 end and fixes, and places beaker, open motor 12, by motor 12 on base 6
Low speed rotation, the rotation of band cutting blade 13, prepare the mud cake of appointed thickness, the false filter cake of removal falls in beaker, prevents drilling well
Liquid pollution test stand；
(5) after motor 12 rotates 15 seconds, motor 12 is closed, for preventing in blade touches mud cake in unloading process
Wall, first unclamps the blade fastener 15 of blade 13, to bull stick center, blade 13 is moved a segment distance, is ensureing that blade 13 will not
After encountering mud cake, unclamp the threaded fastener 16 of motor 12, by motor fixation kit 5 and the common upward sliding of doctor assemblies 2,
After imitation wellbore fully out bottom bull stick 2, fixing motor fixation kit 5 and doctor assemblies 2, unload blade 13 down cleaning
Totally, use next time is treated；
(6) taking out imitation wellbore, a sample completes.
Claims (10)
1. a cake thickness precise controlling device, at least includes support and the doctor assemblies being installed on support, and its feature exists
In: being provided with spiral micro actuator and imitation wellbore pedestal on support, doctor assemblies, spiral micro actuator and imitation wellbore pedestal are from upper
Being installed on support to lower order, the position of spiral micro actuator is corresponding with the height of blade in doctor assemblies；Described spiral is micro-
Device is adjusted to include coarse adjustment knob, accurate adjustment knob, planet circular system, connecting rod and pinion and rack, the gear envelope of pinion and rack
Be loaded on internal stent, tooth bar is fixed in the installing hole offered in the horizontal direction on support and relative with the knife back of blade, institute
Stating planet circular system to be made up of external toothing, sun gear, planetary gear and planet carrier, coarse adjustment knob is connected with external toothing, and accurate adjustment knob is even
Connect sun gear, one end of connecting rod protrude from support and be fixed on external toothing, the other end is positioned at internal stent and and tooth
Wheel connects, and sun gear and planetary gear are all connected with gear by planet carrier, and planet carrier coordinates with gear clearance.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described doctor assemblies includes electronic
Machine, bull stick, blade and blade fastener, the rotating shaft of motor is connected with bull stick, the axis of bull stick and the axle of imitation wellbore pedestal
Line overlaps, and offers the insert groove running through bull stick in bull stick vertically, and blade is fixed in insert groove by blade fastener.
Cake thickness the most according to claim 2 precise controlling device, it is characterised in that: described motor is solid by motor
Determining assembly to be connected with support, described motor fixation kit includes that motor fixes cylinder, cross bar and threaded fastener, and motor is installed on
Motor is fixed in cylinder, and one end of cross bar and motor fix that the side of cylinder is connected, the other end is fixed on support by threaded fastener
On.
Cake thickness the most according to claim 3 precise controlling device, it is characterised in that: offer vertically on described support
Having chute, cross bar is provided with the slide block matched with chute near the end of support, and slide block constitutes sliding pair with chute.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described coarse adjustment knob and accurate adjustment rotation
It is equipped with scale on the outer surface of button.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described imitation wellbore pedestal with
Frame is connected, and the endoporus aperture of imitation wellbore pedestal is equal to the external diameter of imitation wellbore.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described tooth bar is provided with scale
Chi, rule contacts with the knife back of blade.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described connecting rod be bending,
Being made up of 3 sections of folding arms, two sections of horizontal folding arms are individually fixed in the two ends of vertical folding arm and are positioned at the both sides of vertical folding arm, wherein
One section of horizontal folding arm is positioned at outside support and is fixed on external toothing, another section of horizontal folding arm is installed in support and and gear
Connect.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: support is provided with base, base
It is positioned at the underface of imitation wellbore pedestal.
Cake thickness the most according to claim 1 precise controlling device, it is characterised in that: described planet carrier is herringbone,
Including sun gear support and L-type planetary carrier, the two ends of sun gear support lay respectively at sun gear and gear centre offers
In installing hole and with installing hole matched in clearance, one end of L-type planetary carrier is placed on sun gear support and and sun gear
Standoff gap coordinates, the other end is connected with the center of planetary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552558.5U CN205665084U (en) | 2016-06-06 | 2016-06-06 | Meticulous controlling means of cake thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552558.5U CN205665084U (en) | 2016-06-06 | 2016-06-06 | Meticulous controlling means of cake thickness |
Publications (1)
| Publication Number | Publication Date |
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| CN205665084U true CN205665084U (en) | 2016-10-26 |
Family
ID=57155938
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|---|---|---|---|
| CN201620552558.5U Expired - Fee Related CN205665084U (en) | 2016-06-06 | 2016-06-06 | Meticulous controlling means of cake thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665084U (en) |
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| CN111624076A (en) * | 2020-07-22 | 2020-09-04 | 欧频 | Total alpha and total beta radioactivity measurement sample preparation method and device |
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| CN115324507A (en) * | 2021-04-25 | 2022-11-11 | 中国石油天然气集团有限公司 | Device and method for measuring thickness of mud cake of drilling fluid |
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2016
- 2016-06-06 CN CN201620552558.5U patent/CN205665084U/en not_active Expired - Fee Related
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| CN111624076A (en) * | 2020-07-22 | 2020-09-04 | 欧频 | Total alpha and total beta radioactivity measurement sample preparation method and device |
| CN111624077A (en) * | 2020-07-22 | 2020-09-04 | 欧频 | Total alpha and total beta radioactivity measurement sample preparation device and method |
| CN111624077B (en) * | 2020-07-22 | 2024-02-27 | 欧频 | Total alpha and total beta radioactivity measurement sample preparation device and method |
| CN115324507A (en) * | 2021-04-25 | 2022-11-11 | 中国石油天然气集团有限公司 | Device and method for measuring thickness of mud cake of drilling fluid |
| CN115324507B (en) * | 2021-04-25 | 2024-03-01 | 中国石油天然气集团有限公司 | Drilling fluid mud cake thickness measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20170606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |