CN117414955B - Slag discharging structure of drilling fluid centrifugal machine - Google Patents
Slag discharging structure of drilling fluid centrifugal machine Download PDFInfo
- Publication number
- CN117414955B CN117414955B CN202311457930.5A CN202311457930A CN117414955B CN 117414955 B CN117414955 B CN 117414955B CN 202311457930 A CN202311457930 A CN 202311457930A CN 117414955 B CN117414955 B CN 117414955B
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- slag discharging
- annular
- discharging barrel
- action
- rotary
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- 239000002893 slag Substances 0.000 title claims abstract description 107
- 238000007599 discharging Methods 0.000 title claims abstract description 103
- 238000005553 drilling Methods 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 43
- 239000012634 fragment Substances 0.000 claims description 17
- 238000007790 scraping Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a slag discharging structure of a drilling fluid centrifugal machine, which comprises a rotary drum, a spiral propeller positioned in the rotary drum, a hood covered outside the rotary drum, and further comprises: the slag discharging barrel is detachably mounted at the discharge end of the rotary drum, a plurality of slag discharging holes are circumferentially formed in the surface of the slag discharging barrel, the slag discharging barrel is communicated with the rotary drum, an adjusting component is detachably mounted at the end, far away from the rotary drum, of the slag discharging barrel, the spiral propeller sequentially stretches into the slag discharging barrel and the adjusting component, the hood is rotatably mounted at the end, far away from the rotary drum, of the slag discharging barrel, and an annular grinding disc sleeved on the spiral propeller is mounted in the slag discharging barrel and connected with the adjusting component.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to a slag discharging structure of a drilling fluid centrifugal machine.
Background
The drilling fluid treatment equipment used in the fields of petroleum exploration, geological ultra-deep hole drilling and the like has the defects of huge volume, large treatment capacity, high energy consumption, difficult transportation and the like, so that the drilling fluid treatment equipment cannot meet the requirements of green investigation of shallow hole sampling geological drilling in the fields of small occupied area, small treatment capacity, low energy consumption, short single-hole operation time, frequent transportation, high-cold highland, water shortage, difficult access (poor road condition) working areas of motor vehicles and the like.
Chinese patent CN 212237787U discloses a slag discharging mechanism for a drilling fluid centrifuge and a drilling fluid centrifuge. The slag discharging mechanism comprises a rotary drum, a spiral propeller arranged in the rotary drum and a hood covered on the outer side of the rotary drum, and at least one slag discharging hole penetrating through the wall thickness of the rotary drum is arranged on one side of the rotary drum far away from the feeding end; the slag discharging mechanism further comprises at least one mud scraping piece, the mud scraping piece is clamped between the hood and the rotary drum and corresponds to the slag discharging hole, and the mud scraping piece is connected with the peripheral wall of the rotary drum. Through setting up the mud piece of scraping in rotary drum corresponds sediment hole position department, like this, can effectively clear away sediment at sediment hole position with the help of scraping mud piece to can effectively avoid the condition emergence of long-pending material or putty, can not increase differential mechanism moment of torsion, improve drilling fluid centrifuge's output and life. However, if the bulk fragments in the soft mud are driven by the screw propeller to be transmitted to one side far away from the feeding end, the bulk fragments are crushed under the extrusion of the inner wall of the rotary drum, and then the discharge size requirement of the slag discharge hole cannot be completely met, and once the bulk fragments cannot be discharged and blocked in the slag discharge hole, the slag discharge hole is blocked, and the situation of accumulation or blockage still occurs.
Disclosure of Invention
In order to achieve the above purpose, the invention discloses a slag discharging structure of a drilling fluid centrifugal machine, which comprises a rotary drum, a spiral propeller positioned in the rotary drum, a hood covered outside the rotary drum, and further comprises:
The slag discharging barrel is detachably mounted at the discharge end of the rotary drum, a plurality of slag discharging holes are circumferentially formed in the surface of the slag discharging barrel, the slag discharging barrel is communicated with the rotary drum, an adjusting component is detachably mounted at the end, far away from the rotary drum, of the slag discharging barrel, the spiral propeller sequentially stretches into the slag discharging barrel and the adjusting component, the hood is rotatably mounted at the end, far away from the rotary drum, of the slag discharging barrel, and an annular grinding disc sleeved on the spiral propeller is mounted in the slag discharging barrel and connected with the adjusting component.
Preferably, the annular grinding disc is connected to the inner wall of the slag discharging barrel in a sliding manner.
Preferably, the number of the slag discharging holes is 12, and 4 circumferentially distributed mud scraping pieces are arranged on the surface of the slag discharging barrel.
Preferably, the adjusting assembly comprises:
The slag discharging barrel is connected to the annular seat far away from the rotary drum end, the hood is propped against the annular seat, and the hood is covered outside the slag discharging barrel;
The action chamber is annularly arranged in the annular seat;
The four actuating rods are distributed in the inner ring of the annular seat in a circular array, one end of each actuating rod stretches into the actuating chamber, and the other end of each actuating rod is provided with a rotating shaft mounting frame;
the rubber rotating wheel is rotatably arranged on the rotating shaft mounting frame through a rotating shaft;
The driving motor is arranged at the end, close to the rotating shaft mounting frame, of the action rod;
One belt wheel is arranged at the output end of the driving motor, the other belt wheel is arranged on the rotating shaft, and the driving belt is sleeved on the two belt wheels;
The transmission sleeve is sleeved on the spiral propeller and connected with the annular grinding disc, and the belt wheel is rotatably connected to the transmission sleeve.
Preferably, the adjusting assembly further comprises:
The rotating gear ring is embedded and arranged at the end, far away from the engine cover, of the annular seat and extends into the action chamber;
and the rotating gear is positioned in the action chamber and is arranged on the action rod, and the rotating gear is meshed with the rotating gear ring.
Preferably, the transmission sleeve is formed by splicing two half sleeves, the mounting lugs are connected to the splicing ends of the two half sleeves, the annular grinding disc adaptive transmission sleeve is also formed by two semi-annular structures and is connected with the half sleeves in one-to-one correspondence mode so as to splice the two semi-annular structures into a complete annular structure and a sleeve-shaped structure, and the mounting lugs do not interfere with the rubber rotating wheel during rotation of the transmission sleeve.
Preferably, the annular seat is far away from the slag discharge barrel end and is detachably provided with a rear overhaul shell, the rear overhaul shell is formed by splicing two half shells, and the transmission sleeve and the annular grinding disc are retracted into the rear overhaul shell along the spiral propeller so as to facilitate disassembly and overhaul.
Preferably, the adjusting assembly further comprises:
The four annular rotating frames are positioned in the action chamber and are rotatably installed at the ends, close to the rotating gears, of the action rods in a one-to-one correspondence manner, and each annular rotating frame is provided with a rope sleeve I;
the rope sleeves II are circumferentially arranged on the inner wall of the action chamber and positioned between two adjacent action bars;
the spring telescopic rod is positioned in the action chamber and connected between the rope sleeve I and the inner wall of the action chamber;
The upper action chamber is arranged at the top end of the annular seat and is communicated with the action chamber;
the two reels are rotatably positioned in the upper action chamber;
The driving rope is positioned in the action chamber, the first rope sleeve and the second rope sleeve are sequentially arranged in a penetrating mode, the two guide rods are symmetrically arranged in the action chamber, and two ends of the driving rope extend into the upper action chamber after passing through the guide rods and are wound on the winding drum.
The beneficial effects of the invention are as follows:
(1) The invention provides a slag discharging structure of a drilling fluid centrifugal machine, wherein a rotary drum and a spiral propeller rotate in a machine cover so as to drive a slag discharging barrel arranged at the discharge end of the rotary drum to rotate, soft mud is fed into the slag discharging barrel and discharged from slag discharging holes, when large-volume fragments appear in the slag discharging barrel, the soft mud rubs on an annular grinding disc, at the moment, an adjusting assembly can drive the annular grinding disc to further extend into the slag discharging barrel so as to actively squeeze the large-volume fragments, and the large-volume fragments can be discharged from the slag discharging holes after being crushed.
(2) The invention provides a slag discharging structure of a drilling fluid centrifugal machine, an operator adjusts the position of an annular grinding disc extending into a slag discharging cylinder according to the condition that soft mud in a working area contains large-volume fragments, after the position is adjusted, the annular grinding disc can be manually rotated, an adjusting handle convenient for manual adjustment is arranged on the rotating gear, the rotating gear drives a rotating gear meshed with the rotating gear to rotate after rotating in an action chamber, the rotating gear drives an action rod to realize the rotation of an angle, at the moment, a rotating surface of a rubber rotating wheel arranged on the action rod is changed into a state perpendicular to the central axis of a spiral propeller, and when the rubber rotating wheel rotates, a transmission sleeve and the annular grinding disc connected with the transmission sleeve are driven to rotate in the slag discharging cylinder, and the annular grinding disc and the spiral propeller rotate in opposite rotating directions, so that the crushing efficiency of the annular grinding disc on the large-volume fragments is further improved.
(3) The invention provides a slag discharging structure of a drilling fluid centrifugal machine, when maintenance or annular grinding disc is needed, a rotary gear ring is rotated manually in a reverse direction, so that the rotary surface of a rubber rotary wheel is restored to be parallel to the central axis of a spiral propeller, the rubber rotary wheel is rotated in a reverse direction, a transmission sleeve is driven, the annular grinding disc of the transmission sleeve is separated from a slag discharging cylinder and slides into a rear maintenance shell along the spiral propeller, two reels positioned in an upper action chamber are rotated, driving ropes with two ends wound on the reels are driven to be loosened, a rope sleeve I connected with the spring telescopic rod, an annular rotary frame connected with the rope sleeve I and an action rod connected with the annular rotary frame are driven to move in the extending direction of the spring telescopic rod under the reset action of the spring telescopic rod, the action rod drives the rubber rotary wheel to move in the extending direction of the spring telescopic rod, and after the rubber rotary wheel is lifted in the direction away from the transmission sleeve in an inner ring of an annular seat, the annular grinding disc is convenient to pass through the inner ring of the annular seat.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic installation view of a slag discharging structure of the present invention;
FIG. 2 is a schematic structural view of the slag discharging structure of the present invention;
FIG. 3 is a profile view of an adjustment assembly of the present invention;
FIG. 4 is a schematic view of the adjusting assembly of the present invention (in the retracted state of the actuating lever);
fig. 5 is an enlarged view of reference a in fig. 4;
fig. 6 is a schematic view of the structure of the adjusting assembly of the present invention (in the retracted state of the actuating lever).
In the figure: 10. a rotating drum; 11. a screw propeller; 12. a hood; 13. a slag discharging cylinder; 14. a slag discharging hole; 15. an adjustment assembly; 16. an annular grinding disc; 20. rotating the gear; 21. an annular seat; 22. an action chamber; 23. an action bar; 24. a rotating shaft mounting rack; 25. a rubber wheel; 26. a belt wheel; 27. a transmission belt; 28. a transmission sleeve; 29. rotating the gear ring; 31. a rear overhaul shell; 32. a rope sleeve I; 33. a second rope sleeve; 34. a spring telescoping rod; 35. an upper motion chamber; 36. a reel; 37. a driving rope.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, the slag discharging structure of the drilling fluid centrifuge provided in this embodiment includes a drum 10, a screw propeller 11 located in the drum 10, and a hood 12 covered outside the drum 10, and further includes:
The slag discharging barrel 13, slag discharging barrel 13 demountable installation in the discharge end of rotary drum 10, a plurality of slag discharging hole 14 has been seted up to slag discharging barrel 13's surface circumference, slag discharging barrel 13 communicates in rotary drum 10, slag discharging barrel 13 keeps away from rotary drum 10 end demountable installation and has adjusting part 15, screw propeller 11 stretches into slag discharging barrel 13 and adjusting part 15 in proper order, the aircraft bonnet 12 rotation is installed in slag discharging barrel 13 keeps away from rotary drum 10 end, install the annular mill 16 of cover on screw propeller 11 in the slag discharging barrel 13, annular mill 16 is connected with adjusting part 15.
The working principle and beneficial effects of the technical scheme are as follows:
The invention discloses a slag discharging structure of a drilling fluid centrifugal machine, which is characterized in that a rotary drum 10 and a spiral propeller 11 rotate in a hood 12 so as to drive a slag discharging barrel 13 arranged at the discharge end of the rotary drum 10 to rotate, soft mud is fed into the slag discharging barrel 13 and discharged from slag discharging holes 14, when large-volume fragments appear in the slag discharging barrel 13, the soft mud rubs on an annular grinding disc 16, at the moment, an adjusting component 15 can drive the annular grinding disc 16 to extend into the slag discharging barrel 13 further so as to actively squeeze the large-volume fragments, and the large-volume fragments are crushed and then discharged from the slag discharging holes 14. The invention provides a slag discharging structure of a drilling fluid centrifugal machine, wherein an annular millstone 16 is additionally arranged in a slag discharging barrel 13, so that the crushing operation of large-volume fragments in soft mud is realized, and the occurrence of accumulation or blockage is reduced.
In one embodiment, the annular grinding disc 16 is slidably connected to the inner wall of the slag discharging drum 13.
The working principle of the technical scheme is as follows:
The annular grinding disc 16 is slidably connected to the inner wall of the slag discharge cylinder 13, so that the soft mud is prevented from entering the adjusting assembly 15 beyond the annular grinding disc 16.
In one embodiment, the number of the slag discharging holes 14 is 12, and 4 sludge scraping pieces distributed circumferentially are arranged on the surface of the slag discharging cylinder 13.
The working principle of the technical scheme is as follows:
The mud scraping piece arranged on the surface of the slag discharging barrel 13 improves the mud discharging efficiency of the slag discharging hole 14.
In one embodiment, the adjustment assembly 15 includes:
The end, far away from the rotary drum 10, of the slag discharging barrel 13 is connected to the annular seat 21, the hood 12 is propped against the annular seat 21, and the hood 12 is covered outside the slag discharging barrel 13;
an operation chamber 22, wherein the operation chamber 22 is annularly arranged in the annular seat 21;
The action bars 23, four action bars 23 are distributed in the inner ring of the annular seat 21 in a circular array, one end of each action bar 23 extends into the action chamber 22, and the other end of each action bar 23 is provided with a rotating shaft mounting frame 24;
The rubber rotating wheel 25 is rotatably arranged on the rotating shaft mounting frame 24 through a rotating shaft;
the driving motor is arranged at the end, close to the rotating shaft mounting frame 24, of the action rod 23;
Two belt pulleys 26, wherein one belt pulley 26 is arranged at the output end of the driving motor, the other belt pulley 26 is arranged on the rotating shaft, and a transmission belt 27 is sleeved on the two belt pulleys 26;
The transmission sleeve 28 is sleeved on the spiral propeller 11 and is connected with the annular grinding disc 16, and the belt wheel 26 is rotatably connected to the transmission sleeve 28.
The working principle and beneficial effects of the technical scheme are as follows:
The driving motor works, so that the rubber runner 25 is driven to rotate by the cooperation of the belt pulley 26 and the driving belt 27 which are arranged at the output end of the driving motor, and the rubber runner 25 drives the driving sleeve 28 sleeved on the spiral propeller 11 and the annular grinding disc 16 connected with the driving sleeve 28 to extend into the slag discharging barrel 13 by utilizing the friction force of the driving sleeve, so that large-volume fragments are actively extruded.
In one embodiment, the adjustment assembly 15 further comprises:
A rotary gear ring 29, wherein the rotary gear ring 29 is embedded and installed at the end of the annular seat 21 far away from the hood 12 and extends into the action chamber 22;
a rotary gear 20, the rotary gear 20 is positioned in the action chamber 22 and is mounted on the action rod 23, and the rotary gear 20 is meshed with a rotary gear ring 29.
The working principle and beneficial effects of the technical scheme are as follows:
According to the condition that the soft mud of the working area contains large-volume fragments, the position of the annular grinding disc 16 extending into the slag discharging barrel 13 is adjusted, after the position is adjusted, the rotary gear ring 29 can be manually rotated, an adjusting handle which is convenient for manual adjustment is arranged on the rotary gear ring 29, the rotary gear ring 29 rotates in the action chamber 22 and drives the rotary gear 20 meshed with the rotary gear 29 to rotate, the rotary gear 20 drives the action rod 23 to rotate by 90 degrees, at the moment, the rotary surface of the rubber rotating wheel 25 arranged on the action rod 23 is changed into a state perpendicular to the central axis of the spiral propeller 11, and when the rubber rotating wheel 25 rotates, the transmission sleeve 28 and the annular grinding disc 16 connected with the transmission sleeve 28 rotate in the slag discharging barrel 13, and the annular grinding disc 16 rotates in the opposite rotation direction with the spiral propeller 11, so that the crushing efficiency of the annular grinding disc 16 on the large-volume fragments is further improved.
In one example, the transmission sleeve 28 is formed by splicing two half sleeves, the mounting lugs are connected to the splicing ends of the two half sleeves, the annular grinding disc 16 is also formed by two semi-annular structures in a matched manner, the annular grinding disc 16 is connected with the half sleeves in a one-to-one correspondence manner, so that the transmission sleeve 28 is spliced into a complete annular structure and a sleeve-shaped structure, and the mounting lugs do not interfere with the rubber runner 25 during rotation of the transmission sleeve 28.
The working principle and beneficial effects of the technical scheme are as follows:
When an operator needs to overhaul or replace the annular grinding disc 16, only after the fixing bolts on the mounting lugs are removed, the transmission sleeve 28 formed by the two half sleeves is separated, the annular grinding disc 16 formed by the two half annular structures is also separated, at the moment, the transmission sleeve 28 and the annular grinding disc 16 can be taken out from the spiral propeller 11, and then the transmission sleeve 28 and the annular grinding disc 16 are pulled away from the annular seat 21.
In one example, the end of the annular seat 21 far away from the slag discharging barrel 13 is detachably provided with a rear overhaul shell 31, the rear overhaul shell 31 is formed by splicing two half shells, and the transmission sleeve 28 and the annular grinding disc 16 are retracted into the rear overhaul shell 31 along the spiral propeller 11 so as to facilitate disassembly and overhaul.
The working principle and the working principle of the technical scheme are as follows:
After the operator manually dismantles the rear maintenance shell 31 formed by splicing the two half shells, the transmission sleeve 28 is exposed, at the moment, the fixing bolts on the mounting lugs are dismounted, and the transmission sleeve 28 and the annular grinding disc 16 are pulled away from the annular seat 21, so that the rear maintenance shell 31 is opened, and the transmission sleeve 28 and the annular grinding disc 16 are conveniently taken out.
In one example, the adjustment assembly 15 further comprises:
the four annular rotating frames are positioned in the action chamber 22 and are rotatably installed at the end, close to the rotating gear 20, of the action rod 23 in one-to-one correspondence, and each annular rotating frame is provided with a rope sleeve I32;
a second rope sleeve 33, wherein three second rope sleeves 33 are circumferentially arranged on the inner wall of the action chamber 22 and are positioned between two adjacent action bars 23;
the spring telescopic rod 34 is positioned in the action chamber 22 and connected between the rope sleeve I32 and the inner wall of the action chamber 22;
an upper operation chamber 35, wherein the upper operation chamber 35 is mounted at the top end of the annular seat 21 and is communicated with the operation chamber 22;
a reel 36, two reels 36 are rotatably positioned in the upper action chamber 35;
The driving rope 37 is positioned in the action chamber 22, the first rope sleeve 32 and the second rope sleeve 33 are sequentially penetrated, two guide rods are symmetrically arranged in the action chamber 22, and two ends of the driving rope 37 extend into the upper action chamber 35 after passing through the guide rods and are wound on the winding drum 36.
The working principle and beneficial effects of the technical scheme are as follows:
When maintenance or annular grinding disc 16 is needed, the rotary gear ring 29 is rotated reversely manually, so that the rotary surface of the rubber rotary wheel 25 is restored to be parallel to the central axis of the spiral propeller 11, the rubber rotary wheel 25 rotates reversely, so that the transmission sleeve 28 is driven, the annular grinding disc 16 of the transmission sleeve 28 is separated from the slag discharging barrel 13 and slides into the rear maintenance shell 31 along the spiral propeller 11, then two reels 36 positioned in the upper action chamber 35 rotate, the transmission ropes 37 with two ends wound on the reels are driven to be loosened, under the reset action of the spring telescopic rod 34, the rope sleeve I32 connected with the spring telescopic rod 34, the annular rotary frame connected with the rope sleeve I32 and the action rod 23 connected with the annular rotary frame are driven to move in the extending direction of the spring telescopic rod 34, and the action rod 23 drives the rubber rotary wheel 25 to move in the extending direction of the spring telescopic rod 34, so that the rubber rotary wheel 25 is lifted in the direction away from the transmission sleeve 28 in the inner ring of the annular seat 21, and the annular grinding disc 16 is convenient to pass through the inner ring of the annular seat 21.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. The utility model provides a drilling fluid centrifuge arranges sediment structure, includes rotary drum (10), is located screw propeller (11) and cover and locate hood (12) outside rotary drum (10) in rotary drum (10), its characterized in that still includes:
The slag discharging device comprises a slag discharging barrel (13), wherein the slag discharging barrel (13) is detachably arranged at the discharging end of a rotary drum (10), a plurality of slag discharging holes (14) are circumferentially formed in the surface of the slag discharging barrel (13), the slag discharging barrel (13) is communicated with the rotary drum (10), an adjusting component (15) is detachably arranged at the end, far away from the rotary drum (10), of the slag discharging barrel (13), a spiral propeller (11) sequentially stretches into the slag discharging barrel (13) and the adjusting component (15), a hood (12) is rotatably arranged at the end, far away from the rotary drum (10), of the slag discharging barrel (13), and an annular grinding disc (16) sleeved on the spiral propeller (11) is arranged in the slag discharging barrel (13) and connected with the adjusting component (15);
The adjustment assembly (15) comprises: the device comprises an annular seat (21) connected to the end, far away from the rotary drum (10), of a slag discharging barrel (13), a hood (12) is abutted to the annular seat (21), the hood (12) is covered outside the slag discharging barrel (13), an action chamber (22) is annularly arranged in the annular seat (21), four action bars (23) are circularly arranged in the inner ring of the annular seat (21), one end of each action bar (23) extends into the action chamber (22), a rotary shaft mounting frame (24) is mounted at the other end of each action bar (23), a rubber rotary wheel (25) is rotatably mounted on the rotary shaft mounting frame (24) through a rotary shaft, and a driving motor is mounted at the end, close to the rotary shaft mounting frame (24), of each action bar (23); two belt wheels (26), wherein one belt wheel (26) is arranged at the output end of the driving motor, the other belt wheel (26) is arranged on the rotating shaft, a transmission belt (27) is sleeved on the two belt wheels (26), a transmission sleeve (28) is sleeved on the spiral propeller (11) and is connected with the annular grinding disc (16), and the belt wheel (26) is rotationally connected with the transmission sleeve (28);
The adjustment assembly (15) further comprises:
A rotary gear ring (29), wherein the rotary gear ring (29) is embedded and arranged at the end of the annular seat (21) far away from the hood (12) and extends into the action chamber (22);
A rotating gear (20), wherein the rotating gear (20) is positioned in the action chamber (22) and is arranged on the action rod (23), and the rotating gear (20) is meshed with the rotating gear ring (29);
The driving motor works, so that the rubber runner (25) is driven to rotate by the cooperation of a belt wheel (26) and a driving belt (27) which are arranged at the output end of the driving motor, and the rubber runner (25) drives a driving sleeve (28) sleeved on the spiral propeller (11) and an annular grinding disc (16) connected with the driving sleeve (28) to extend into the slag discharging barrel (13) by utilizing the friction force of the driving sleeve, so that large-volume fragments are actively extruded;
The operator adjusts the position of the annular grinding disc (16) stretching into the slag discharging barrel (13) according to the condition that the soft mud of the working area contains large-volume fragments, after the position is adjusted, the rotary gear ring (29) can be manually rotated, an adjusting handle convenient for manual adjustment is arranged on the rotary gear ring (29), the rotary gear ring (29) rotates in the action chamber (22) and then drives the rotary gear (20) meshed with the rotary gear to rotate, the rotary gear (20) drives the action rod (23) to realize 90-degree rotation, at the moment, the rotary surface of the rubber rotating wheel (25) arranged on the action rod (23) is changed into a state perpendicular to the central axis of the spiral propeller (11), and when the rubber rotating wheel (25) rotates, the transmission sleeve (28) and the annular grinding disc (16) connected with the transmission sleeve (28) are driven to rotate in the slag discharging barrel (13), and the annular grinding disc (16) rotates in the opposite rotation direction with the spiral propeller (11).
2. The slag discharging structure of the drilling fluid centrifugal machine according to claim 1, wherein the annular grinding disc (16) is connected to the inner wall of the slag discharging barrel (13) in a sliding manner.
3. The slag discharging structure of the drilling fluid centrifugal machine according to claim 1, wherein the number of the slag discharging holes (14) is 12, and 4 circumferentially distributed mud scraping pieces are arranged on the surface of the slag discharging barrel (13).
4. The slag discharging structure of the drilling fluid centrifugal machine according to claim 1, wherein the transmission sleeve (28) is formed by splicing two half sleeves, the mounting lugs are connected to the splicing ends of the two half sleeves, the annular grinding disc (16) is adapted to the transmission sleeve (28) to be formed by two semi-annular structures, the annular grinding disc is connected with the half sleeves in a one-to-one correspondence manner and is used for splicing the two half sleeves into a complete annular and sleeve-shaped structure, and the mounting lugs do not interfere with the arrangement of the rubber rotating wheel (25) when the transmission sleeve (28) rotates.
5. The slag discharging structure of the drilling fluid centrifugal machine according to claim 4, wherein a rear overhaul shell (31) is detachably arranged at the end, far away from the slag discharging barrel (13), of the annular seat (21), the rear overhaul shell (31) is formed by splicing two half shells, and the transmission sleeve (28) and the annular grinding disc (16) are retracted into the rear overhaul shell (31) along the spiral propeller (11) so as to facilitate disassembly and overhaul.
6. The drilling fluid centrifuge slag removal structure of claim 1, wherein the adjustment assembly (15) further comprises: the four annular rotating frames are positioned in the action chamber (22) and are correspondingly rotatably arranged at the ends of the action bars (23) close to the rotating gear (20), a rope sleeve I (32) is arranged on each annular rotating frame, three rope sleeve II (33) are circumferentially arranged on the inner wall of the action chamber (22) and are positioned between two adjacent action bars (23), a spring telescopic rod (34) is positioned in the action chamber (22) and is connected between the rope sleeve I (32) and the inner wall of the action chamber (22), an upper action chamber (35) is arranged at the top end of the annular seat (21) and is communicated in the action chamber (22), two reels (36) are rotatably arranged in the upper action chamber (35), a transmission rope (37) is positioned in the action chamber (22) and sequentially penetrates through the rope sleeve I (32) and the rope sleeve II (33), two guide rods are symmetrically arranged in the action chamber (22), and two ends of the transmission rope (37) extend into the upper action chamber (35) through the guide rods and are wound on the reels (36).
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