CN116474443A - Filter device for screw drilling tool - Google Patents

Filter device for screw drilling tool Download PDF

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Publication number
CN116474443A
CN116474443A CN202310738113.0A CN202310738113A CN116474443A CN 116474443 A CN116474443 A CN 116474443A CN 202310738113 A CN202310738113 A CN 202310738113A CN 116474443 A CN116474443 A CN 116474443A
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CN
China
Prior art keywords
groove
hollow tube
filter screen
drilling tool
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310738113.0A
Other languages
Chinese (zh)
Other versions
CN116474443B (en
Inventor
张国辉
武磊
杨宏利
刘胜君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Dehua Petroleum Equipment Manufacturing Co Ltd
Original Assignee
Tianjin Dehua Petroleum Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Dehua Petroleum Equipment Manufacturing Co Ltd filed Critical Tianjin Dehua Petroleum Equipment Manufacturing Co Ltd
Priority to CN202310738113.0A priority Critical patent/CN116474443B/en
Publication of CN116474443A publication Critical patent/CN116474443A/en
Application granted granted Critical
Publication of CN116474443B publication Critical patent/CN116474443B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • B01D33/0353—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements self-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The utility model relates to a filter equipment that screw rod drilling tool was used belongs to filter equipment's technical field, and it includes the hollow tube, be provided with the filter screen in the hollow tube, filter screen and hollow tube connect fixedly, the intercommunication groove has been seted up to the hollow tube inner wall, the filter screen is in intercommunication groove department, the inside collecting vat of having seted up of hollow tube lateral wall, the collecting vat is in the intercommunication groove below, and collecting vat and intercommunication groove are linked together, the filter screen is from last to following the setting of intercommunication groove direction slope down, be provided with the removal subassembly that drives filter screen reciprocating motion in the hollow tube, be provided with in the hollow tube and be used for providing power device of power for the removal subassembly, this application has the effect that improves well drilling work efficiency.

Description

Filter device for screw drilling tool
Technical Field
The application relates to the technical field of filter devices, in particular to a filter device for a screw drilling tool.
Background
The screw drilling tool is mainly applied to drilling engineering, and is a volumetric underground power drilling tool which uses drilling fluid as power and converts liquid pressure energy into mechanical energy, when slurry pumped by a slurry pump flows through a bypass valve to enter a motor, a certain pressure difference is formed at an inlet and an outlet of the motor, a rotor is pushed to rotate around the axis of a stator, and the rotating speed and torque are transmitted to a drill bit through a universal shaft and a transmission shaft, so that drilling operation is realized.
In order to reduce sharp edge foreign matter in the mud and get into motor inner scratch stator rubber inside lining, the filter joint that current screw drilling tool was used, filter joint includes hollow tube and filter core, and hollow tube and screw drilling tool are connected fixedly, and the filter core setting is in hollow tube, and in the motor one end was kept away from to the hollow tube from the hollow tube to mud was got into hollow tube, the filter core was filtered the mud, makes sharp edge in the mud different be difficult for entering into the motor along with the mud in to stator rubber inside lining is difficult for by sharp edge foreign matter scratch.
Aiming at the related technology, the inventor considers that after the filter element filters mud, the sharp-edged foreign matter leads to easy blockage of the filter element, the filter element needs to be stopped for replacement, the time consumption is long, and the defect of low drilling work efficiency exists.
Disclosure of Invention
In order to improve the working efficiency of drilling, the application provides a filter device for a screw drilling tool.
The application provides a filter equipment that screw rod drilling tool used adopts following technical scheme:
the utility model provides a filter equipment that screw rod drilling tool was used, includes the hollow tube, be provided with the filter screen in the hollow tube, filter screen and hollow tube connection are fixed, and the intercommunication groove has been seted up to the hollow tube inner wall, and the filter screen is in intercommunication groove department, and the collecting vat has been seted up to the inside collecting vat of hollow tube lateral wall, and the collecting vat is in intercommunication groove below, and the collecting vat is linked together with the intercommunication groove, and the filter screen is from last to down along setting up towards the slope of intercommunication groove direction, is provided with the removal subassembly that drives filter screen reciprocating motion in the hollow tube, is provided with the power device who is used for providing power for the removal subassembly in the hollow tube.
Through adopting above-mentioned technical scheme, in the mud got into the hollow tube, the filter screen was filtered mud, blockked sharp edge foreign matter to the filter screen upper surface, power device provided power to the removal subassembly, and the removal subassembly drives on the filter screen and shakes from top to bottom, and sharp edge foreign matter on the filter screen removes to the collecting vat along filter screen incline direction for filter screen difficult emergence is stopped up, has reduced down time, thereby has improved the work efficiency of well drilling.
Optionally, first spout has all been seted up along the length direction of hollow tube to the inside pipe wall of the relative both sides of hollow tube, and one of them in the first spout of both sides is in the top of intercommunication groove and intercommunication groove is linked together, and the hollow tube is kept away from intercommunication groove one side inner wall and is seted up the second spout along the length direction of hollow tube, and the second spout is linked together with the first spout of keeping away from intercommunication groove one side, and the removal subassembly sets up in first spout.
Through adopting above-mentioned technical scheme, with moving the subassembly setting in first spout, make the moving the subassembly be difficult for causing the influence to the flow of mud.
Optionally, remove the subassembly and include slide, driving lever and cam, slide, driving lever and cam all are provided with two and one-to-one, the slide sets up in first spout along the length direction and the hollow tube sliding connection of first spout, slide and first spout one-to-one, the slide is in the top of filter screen, the slide bottom that is in the intercommunication inslot, the filter screen is relative both sides equal fixedly connected with branch, one of two branches is kept away from filter screen one end and is stretched into intercommunication inslot and slide fixed connection, keep away from filter screen one end and pass the second spout and stretch into first spout and slide fixed connection, driving lever and slide up end are towards the inside one side fixed connection of hollow tube, driving lever and slide are perpendicular, the cam sets up in the below of driving lever and driving lever butt, cam and power device are connected fixedly.
Through adopting above-mentioned technical scheme, power device drives the cam and rotates, and the cam promotes the driving lever and reciprocates, and the driving lever drives the slide and removes in first spout, and the slide drives branch removal, and branch drive filter screen reciprocates to remove the subassembly and realized driving the filter screen function of reciprocate.
Optionally, be provided with the fixed plate in the hollow tube, the fixed plate is in the top of filter screen with hollow tube inner wall fixed connection at the relative both ends of fixed plate, and the fixed plate runs through along the hollow tube length direction and has seted up the through-hole, and the fixed slot has been seted up to the fixed plate lower surface, and the fixed slot is linked together with the through-hole, and power device sets up in fixed slot department.
Through adopting above-mentioned technical scheme, the setting of fixed plate provides the support fixed action for power device, makes power device be difficult for removing at will in the hollow pipe.
Optionally, power device includes bull stick, runner and fan blade, and the bull stick runs through fixed plate and fixed plate rotation and connects, and the bull stick passes from the fixed slot, and the runner setting is in the fixed slot, and the bull stick passes from the center department of runner and runner fixed connection, and the runner is close to through-hole one end and stretches into in the through-hole, and the fan blade is provided with a plurality of, and a plurality of fan blade and the circumference lateral wall fixed connection of runner, and the bull stick is relative both ends stretch into respectively in first spout and cam fixed connection, bull stick and hollow tube rotate to be connected.
Through adopting above-mentioned technical scheme, after mud gets into the hollow intraductal, partial mud flows from the through-hole in, and the in-process that mud flows with the fan blade board butt that is in the through-hole to promote the fan blade board to rotate towards the below, the fan blade board swing runner rotates, and the runner drives the bull stick and rotates, and the bull stick drives the cam and rotate, thereby power device has realized the power support to moving the subassembly.
Optionally, be provided with the sealing door that is used for sealing the intercommunication groove in the collecting vat, sealing door face the inside one side of hollow tube and collecting vat lateral wall butt, sealing door is in the below of branch, sealing door is close to branch one side and branch fixed connection.
Through adopting above-mentioned technical scheme, the in-process that the filter screen upwards moved, the filter screen drove branch and removes, and branch drives and seals the door and remove, seals the intercommunication groove that is in the filter screen below and blocks, makes sharp edge foreign matter be difficult for getting into the hollow tube again from the gap of filter screen and intercommunication groove below.
Optionally, a plurality of drain holes are formed in a side wall of the bottom of the collecting tank in a penetrating manner along the direction facing the inner part of the hollow pipe.
Through adopting above-mentioned technical scheme, after mud got into the collecting vat, sharp edge foreign matter in the mud remained in the collecting vat, and in the water flowed the hollow tube from the wash port, improved the utilization ratio to the moisture in the mud.
Optionally, the hollow tube is arranged at one side of the bottom end of the collecting tank far away from the drain hole along the direction facing the outside of the hollow tube in a penetrating way, and a trash discharging groove is formed.
Through adopting above-mentioned technical scheme, when clearing up the sharp edge foreign matter in the collecting vat, can clear up sharp edge foreign matter through from the trash rack to the trash rack is convenient to clearance sharp edge foreign matter.
Optionally, the hollow tube is provided with the baffle that is used for sheltering from the trash rack in trash rack department, and the baffle is in the collecting vat, and baffle and collecting vat lateral wall butt, baffle along hollow tube length direction and hollow tube sliding connection.
Through adopting above-mentioned technical scheme, upwards sliding baffle when clearing up sharp edge foreign matter, sharp edge foreign matter shift out the collecting vat from the impurity removal groove, during operation, the baffle shelters from the impurity removal groove, has reduced mud and has gone out the hollow tube of movable part from the impurity removal groove.
Optionally, slide bottom fixedly connected with connecting rod, slide one end and baffle fixed connection are kept away from to the connecting rod.
Through adopting above-mentioned technical scheme, slide upward moving's in-process drives the connecting rod and removes, and the connecting rod drives the baffle upward movement, makes sharp edge foreign matter remove out the collecting vat from the trash slot department to the difficult incident emergence of collecting sharp edge foreign matter and causing full groove in the messenger collecting vat.
In summary, the present application includes at least one of the following beneficial technical effects:
the filter screen is driven to vibrate up and down through the moving assembly, so that sharp-edged foreign matters on the filter screen move into the collecting tank along the inclined direction of the filter screen, the filter screen is not easy to block, the downtime is reduced, and the drilling work efficiency is improved;
the power device provides power for the moving assembly, so that the moving assembly drives the filter screen to vibrate up and down;
the arrangement of the sealing door ensures that the sharp-edged foreign matters are not easy to flow into the hollow pipe from the gap below the filter screen and the communicating groove.
Drawings
FIG. 1 is a schematic view of a filter device for a screw drilling tool according to an embodiment of the present application;
FIG. 2 is a cross-sectional view showing the internal structure of a hollow tube in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a power plant configuration embodying the present embodiment;
FIG. 4 is a cross-sectional view of a structure embodying the communicating grooves in the embodiment of the present application;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
In the figure, 1, a hollow tube; 11. a communication groove; 12. a collection tank; 13. a first chute; 14. a second chute; 15. a drain hole; 16. a impurity discharging groove; 17. a moving groove; 18. a moving block; 2. a filter screen; 21. a support rod; 3. a moving assembly; 31. a slide plate; 32. a deflector rod; 33. a cam; 4. a power device; 41. a rotating rod; 42. a rotating wheel; 43. fan blades; 5. a fixing plate; 51. a through hole; 52. a fixing groove; 6. closing the door; 7. a baffle; 8. and (5) connecting a rod.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a filter device for a screw drilling tool.
Referring to fig. 1 and 2, the filtering device for the screw drilling tool comprises a hollow tube 1, and a filter screen 2 is arranged in the hollow tube 1. The hollow pipe 1 is fixedly connected with the upper end of the screw drilling tool, mud firstly enters the hollow pipe 1, and after being filtered by the filter screen 2, the mud flows to the motor, so that sharp-edged foreign matters in the mud are not easy to flow to the motor, and the stator rubber lining is not easy to scratch.
Referring to fig. 2 and 3, a fixing plate 5 is disposed in the hollow tube 1, opposite ends of the fixing plate 5 are fixedly connected with the inner wall of the hollow tube 1, the fixing plate 5 is located above the filter screen 2, a through hole 51 is formed in the fixing plate 5 in a penetrating manner along the length direction of the hollow tube 1, a fixing groove 52 is formed in the lower surface of the fixing plate 5, the fixing groove 52 is communicated with the through hole 51, and a power device 4 is disposed at the fixing groove 52 of the fixing plate 5.
The power device 4 comprises a rotating rod 41, a rotating rod 42 and a fan blade plate 43, wherein the rotating rod 41 penetrates through a fixed plate 5 and penetrates through a fixed groove 52, the rotating rod 41 is rotationally connected with the fixed plate 5, the rotating rod 41 is perpendicular to the fixed plate 5, two ends of the rotating rod 41 are rotationally connected with the inner wall of the hollow tube 1, the rotating rod 42 is arranged in the fixed groove 52, the rotating rod 42 is perpendicular to the rotating rod 41, the rotating rod 41 penetrates through the center of the rotating rod 42 and is fixedly connected with the rotating rod 42, one end, close to a through hole 51, of the rotating rod 42 extends into the through hole 51, a plurality of fan blades 43 are arranged along the circumferential side wall of the rotating rod 42, and the fan blade plate 43 is close to one end, close to the rotating rod 42, of the fan blade plate 43 is fixedly connected with the rotating rod 42.
After the mud enters the hollow pipe 1, the mud flows along the length direction of the hollow pipe 1, meanwhile, part of the mud flows downwards from the through hole 51, in the flowing process, the mud pushes the fan blade plate 43 in the through hole 51 to rotate, the fan blade plate 43 drives the rotating wheel 42 to rotate, the rotating wheel 42 drives the rotating rod 41 to rotate, and electric energy is not required to drive the rotating rod 41 to rotate, so that the consumption of resources is reduced.
Referring to fig. 2 and 3, a communicating groove 11 is formed in the inner wall of the hollow tube 1, the filter screen 2 is obliquely arranged from top to bottom along the direction towards the communicating groove 11, a collecting groove 12 is formed in the inner side wall of the hollow tube 1, the collecting groove 12 is located right below the communicating groove 11, and the communicating groove 11 is communicated with the collecting groove 12.
After the filter screen 2 filters the slurry, sharp-edged foreign matters contained in the slurry are reserved on the filter screen 2 and move into the communicating groove 11 along the inclined surface of the filter screen 2, and the sharp-edged foreign matters drop into the collecting groove 12 downwards by self gravity, so that the sharp-edged foreign matters are not easy to accumulate on the filter screen 2, and the filter screen 2 is not easy to be blocked.
Referring to fig. 3 and 4, first sliding grooves 13 are formed in two opposite side walls of the hollow tube 1 along the length direction of the hollow tube 1, the first sliding grooves 13 are located above the filter screen 2, one of the two first sliding grooves 13 is located right above the communication groove 11, the first sliding grooves 13 are communicated with the communication groove 11, a second sliding groove 14 is formed in the inner wall of one side, far away from the communication groove 11, of the hollow tube 1 along the length direction of the hollow tube 1, the second sliding grooves 14 are communicated with the first sliding grooves 13, and a moving assembly 3 for driving the filter screen 2 to move up and down is arranged in the first sliding grooves 13.
The moving assembly 3 comprises a sliding plate 31, a deflector rod 32 and a cam 33, wherein the sliding plate 31, the deflector rod 32 and the cam 33 are respectively provided with two and are in one-to-one correspondence, the sliding plate 31 is respectively arranged in a first sliding groove 13 on two sides, the sliding plate 31 is in sliding connection with the hollow tube 1 along the length direction of the first sliding groove 13, the deflector rod 32 and the upper end surface of the sliding plate 31 are fixedly connected to one side of the inner direction of the hollow tube 1, the cam 33 is arranged below the deflector rod 32 and is abutted against the deflector rod 32, two ends of a rotating rod 41 respectively extend into the first sliding groove 13 and are fixedly connected with the cam 33, two opposite sides of the filter screen 2 are fixedly connected with supporting rods 21, one end, away from the filter screen 2, of the two supporting rods 21 is extended into the communication groove 11 and is fixedly connected with the sliding plate 31, and one end, away from the filter screen 2, of the supporting rods 21 is extended into the first sliding groove 13 through a second sliding groove 14 and is fixedly connected with the sliding plate 31.
The rotating rod 41 drives the cam 33 to rotate, the cam 33 drives the deflector rod 32 to move up and down, the deflector rod 32 drives the sliding plate 31 to move up and down in the first sliding groove 13, the sliding plate 31 drives the supporting rod 21 to move up and down, and the supporting rod 21 drives the filter screen 2 to vibrate up and down, so that the movable assembly 3 drives the filter screen 2 to vibrate up and down, the filter screen drives the sharp-edged foreign matter to vibrate up and down, the moving speed of the sharp-edged foreign matter is accelerated, and the filter screen 2 is further not easy to be blocked.
Referring to fig. 2 and 3, a closed door 6 is arranged in the collecting tank 12, the closed door 6 is abutted against one side of the collecting tank 12, which is close to the inner direction of the hollow tube 1, and the upper end of the closed door 6 is fixedly connected with a supporting rod 21. In the process of upward movement of the supporting rod 21, the sealing door 6 is driven to move upward, and the sealing door 6 shields the part of the communication groove 11 below the supporting rod 21, so that sharp-edged foreign matters are not easy to enter the hollow tube 1 again from a gap between the filter screen 2 and the lower bottom wall of the communication groove 11.
Referring to fig. 4 and 5, the hollow tube 1 is provided with a plurality of drain holes 15 penetrating through the collecting tank 12 at a side close to the inside of the hollow tube 1. After the mud enters the collecting tank 12, the sharp-edged foreign matters are reserved in the collecting tank 12, and the water in the mud reenters the hollow pipe 1 along the drainage tank, so that the utilization rate of the mud is improved, and meanwhile convenience is brought to the entering of the sharp-edged foreign matters into the collecting tank 12.
Referring to fig. 2 and 3, the hollow tube 1 is provided with a drain groove 16 penetrating through the bottom end of one side wall of the collecting groove 12 in the direction toward the outside of the hollow tube 1, and the bottom wall of the collecting groove 12 is provided with an inclination from top to bottom in the direction toward the drain groove 16.
After the sharp-edged foreign matter enters the collecting tank 12, the sharp-edged foreign matter can be moved out of the collecting tank 12 through the impurity discharging tank 16, so that the arrangement of the impurity discharging tank 16 is that the sharp-edged foreign matter is moved out of the collecting tank 12 to provide convenience.
Referring to fig. 2 and 3, the hollow tube 1 is provided with a baffle 7 in a collecting tank 12, the baffle 7 is positioned at a impurity discharging tank 16, the baffle 7 and the collecting tank 12 are provided with a side wall of the impurity discharging tank 16 in butt joint, the upper surface of the baffle 7 is fixedly connected with a connecting rod 8, the length direction of the connecting rod 8 is parallel to the hollow tube 1, and one end of the connecting rod 8 far away from the baffle 7 is fixedly connected with the lower surface of a sliding plate 31.
The in-process that slide 31 upwards moved drives connecting rod 8 and removes, and connecting rod 8 drives baffle 7 and removes, and baffle 7 contact is sheltered from impurity removal groove 16, and sharp edge foreign matter shifts out collecting vat 12 from impurity removal groove 16, and when the in-process that slide 31 moved down, drive connecting rod 8 and move down, connecting rod 8 drive baffle 7 and move down, and baffle 7 shelters from impurity removal groove 16, makes the mud in the collecting vat 12 be difficult for flowing out hollow tube 1 from impurity removal groove 16.
Referring to fig. 2 and 3, a moving groove 17 is formed in the hollow tube 1 on one side, far from the interior of the hollow tube 1, of the first sliding groove 13, along the length direction of the hollow tube 1, a moving block 18 is arranged in the moving groove 17 of the hollow tube 1, the moving block 18 is slidably connected with the hollow tube 1 along the length direction of the moving groove 17, and one end, close to the sliding plate 31, of the moving block 18 is fixedly connected with the sliding plate 31.
In the process that the sliding plate 31 moves in the first sliding groove 13, the sliding plate 31 drives the moving block 18 to move in the moving groove 17, and the arrangement of the moving block 18 and the moving groove 17 plays a guiding role for the sliding of the sliding plate 31, so that the sliding plate 31 is not easy to move randomly in the first sliding groove 13.
The implementation principle of the filtering device for the screw drilling tool in the embodiment of the application is as follows: after the slurry enters the hollow tube 1, part of the slurry passes through the through holes 51 of the fixed plate 5, the slurry pushes the fan blade plates 43 in the through holes 51, the fan blade plates 43 rotate, the fan blade plates 43 drive the rotating wheel 42 to rotate, the rotating wheel 42 drives the rotating rod 41 to rotate, the rotating rod 41 drives the cam 33 to rotate, the cam 33 pushes the deflector rod 32 to move up and down, the deflector rod 32 drives the sliding plate 31 to move, the sliding plate 31 drives the supporting rod 21 to move, the supporting rod 21 drives the filter screen 2 to vibrate up and down, the filter screen 2 drives the sharp-edged foreign matters on the filter screen 2 to vibrate, the sharp-edged foreign matters on the filter screen 2 move along the inclined direction of the filter screen 2, the sharp-edged foreign matters enter the collecting tank 12 through the communication tank 11, the sharp-edged foreign matters in the collecting tank 12 move downwards, the sharp-edged foreign matters are difficult to accumulate on the filter screen 2 through the impurity discharging tank 16, the stop time of the screw drilling tool is reduced, and accordingly the working efficiency of the drilling tool is improved.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a filter equipment that screw rod drilling tool was used, includes hollow tube (1), its characterized in that: be provided with filter screen (2) in hollow tube (1), filter screen (2) and hollow tube (1) are connected fixedly, intercommunication groove (11) have been seted up to hollow tube (1) inner wall, filter screen (2) are in intercommunication groove (11) department, collecting vat (12) have been seted up to inside of hollow tube (1) lateral wall, collecting vat (12) are in intercommunication groove (11) below, and collecting vat (12) are linked together with intercommunication groove (11), filter screen (2) follow down along the slope of intercommunication groove (11) direction setting from last, be provided with in hollow tube (1) and drive filter screen (2) reciprocating motion's removal subassembly (3), be provided with in hollow tube (1) and be used for providing power device (4) of power for removal subassembly (3).
2. The filtering device for a screw drilling tool according to claim 1, wherein: the utility model discloses a hollow tube, including hollow tube (1), first spout (13) have all been seted up along the length direction of hollow tube (1) in inside of hollow tube (1) both sides pipe wall, and one of them in first spout (13) in both sides is in the top of intercommunication groove (11) and intercommunication groove (11) are linked together, and hollow tube (1) is kept away from intercommunication groove (11) one side inner wall and is seted up second spout (14) along hollow tube (1) length direction, and second spout (14) are linked together with keep away from first spout (13) of intercommunication groove (11) one side, and moving assembly (3) set up in first spout (13).
3. The filtering device for a screw drilling tool according to claim 2, wherein: the moving assembly (3) comprises a sliding plate (31), a deflector rod (32) and a cam (33), wherein the sliding plate (31), the deflector rod (32) and the cam (33) are respectively provided with two and one-to-one correspondence, the sliding plate (31) is arranged in the first sliding groove (13) and is in sliding connection with the hollow pipe (1) along the length direction of the first sliding groove (13), the sliding plate (31) and the first sliding groove (13) are in one-to-one correspondence, the sliding plate (31) is positioned above the filter screen (2), the bottom end of the sliding plate (31) above the communication groove (11) extends into the communication groove (11), the two opposite sides of the filter screen (2) are fixedly connected with supporting rods (21), one end, far away from the filter screen (2), of the supporting rod (21) on one side far away from the communication groove (11) extends into the first sliding groove (13) through the second sliding groove (14) and is fixedly connected with the sliding plate (31), the deflector rod (32) and the upper end surface of the sliding plate (31) extends into the hollow pipe (1) and is fixedly connected with the deflector rod (32) on one side far away from the filter screen (2) and is abutted against the deflector rod (32), the cam (33) is fixedly connected with the power device (4).
4. A filter device for a progressive cavity drilling tool as defined in claim 3, wherein: be provided with fixed plate (5) in cavity pipe (1), fixed plate (5) relative both ends and cavity pipe (1) inner wall fixed connection, fixed plate (5) are in the top of filter screen (2), and through-hole (51) have been seted up along cavity pipe (1) length direction run through to fixed plate (5), and fixed slot (52) have been seted up to fixed plate (5) lower surface, and fixed slot (52) are linked together with through-hole (51), and power device (4) set up in fixed slot (52) department.
5. The filtering device for a screw drilling tool according to claim 4, wherein: the power device (4) comprises a rotating rod (41), a rotating wheel (42) and fan blades (43), wherein the rotating rod (41) penetrates through the fixed plate (5) and the fixed plate (5) to be connected in a rotating mode, the rotating rod (41) penetrates through the fixed groove (52), the rotating wheel (42) is arranged in the fixed groove (52), the rotating rod (41) penetrates through the center of the rotating wheel (42) to be fixedly connected with the rotating wheel (42), one end, close to a through hole (51), of the rotating wheel (42) extends into the through hole (51), a plurality of fan blades (43) are fixedly connected with the circumferential side walls of the rotating wheel (42), the two opposite ends of the rotating rod (41) extend into the first sliding groove (13) to be fixedly connected with the cam (33) respectively, and the rotating rod (41) is rotationally connected with the hollow tube (1).
6. A filter device for a progressive cavity drilling tool as defined in claim 3, wherein: a sealing door (6) for sealing the communication groove (11) is arranged in the collecting groove (12), the sealing door (6) faces one side of the interior of the hollow pipe (1) and is abutted against the side wall of the collecting groove (12), the sealing door (6) is positioned below the supporting rod (21), and one side, close to the supporting rod (21), of the sealing door (6) is fixedly connected with the supporting rod (21).
7. A filter device for a progressive cavity drilling tool as defined in claim 3, wherein: a plurality of drain holes (15) are formed in the side wall of the bottom end of the collecting groove (12) in a penetrating mode along the direction towards the inside of the hollow pipe (1).
8. The filter device for a progressive cavity drilling tool of claim 7, wherein: the hollow pipe (1) is provided with a trash discharging groove (16) in a penetrating way along the outer side of the hollow pipe (1) at one side, far away from the drain hole (15), of the bottom end of the collecting groove (12).
9. The filter device for a progressive cavity drilling tool of claim 8, wherein: the hollow pipe (1) is provided with a baffle (7) for shielding the impurity discharging groove (16) at the impurity discharging groove (16), the baffle (7) is positioned in the collecting groove (12), the baffle (7) is abutted with the side wall of the collecting groove (12), and the baffle (7) is in sliding connection with the hollow pipe (1) along the length direction of the hollow pipe (1).
10. The filter device for a progressive cavity drilling tool of claim 9, wherein: the bottom end of the sliding plate (31) is fixedly connected with a connecting rod (8), and one end, far away from the sliding plate (31), of the connecting rod (8) is fixedly connected with the baffle (7).
CN202310738113.0A 2023-06-21 2023-06-21 Filter device for screw drilling tool Active CN116474443B (en)

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CN202310738113.0A CN116474443B (en) 2023-06-21 2023-06-21 Filter device for screw drilling tool

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CN116474443B CN116474443B (en) 2023-09-08

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD296977A5 (en) * 1989-05-23 1991-12-19 Terratronic Vertrieb Von Zielbohrsystemen Gmbh,De METHOD AND DEVICE FOR PRODUCING INCREDIENT WATER SAMPLES WHEN BRINGING A FOUNTAIN THROUGH DRILLING
CN2646504Y (en) * 2003-09-29 2004-10-06 陈公政 Foreign matter block preventing by-pass valve
CN210751480U (en) * 2019-10-15 2020-06-16 武汉三友石化有限公司 Filtering device for corrosion inhibitor
CN213446541U (en) * 2020-06-18 2021-06-15 于杰 Sewage treatment plant for building engineering
CN215538947U (en) * 2021-09-01 2022-01-18 刘海燕 Sewage filter with automatic slag removal function
CN218861633U (en) * 2022-10-12 2023-04-14 郴州市五盖山建筑有限公司 Water conservancy sludge treatment equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD296977A5 (en) * 1989-05-23 1991-12-19 Terratronic Vertrieb Von Zielbohrsystemen Gmbh,De METHOD AND DEVICE FOR PRODUCING INCREDIENT WATER SAMPLES WHEN BRINGING A FOUNTAIN THROUGH DRILLING
CN2646504Y (en) * 2003-09-29 2004-10-06 陈公政 Foreign matter block preventing by-pass valve
CN210751480U (en) * 2019-10-15 2020-06-16 武汉三友石化有限公司 Filtering device for corrosion inhibitor
CN213446541U (en) * 2020-06-18 2021-06-15 于杰 Sewage treatment plant for building engineering
CN215538947U (en) * 2021-09-01 2022-01-18 刘海燕 Sewage filter with automatic slag removal function
CN218861633U (en) * 2022-10-12 2023-04-14 郴州市五盖山建筑有限公司 Water conservancy sludge treatment equipment

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