CN116752917A - Negative pressure shale shaker for well drilling - Google Patents

Negative pressure shale shaker for well drilling Download PDF

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Publication number
CN116752917A
CN116752917A CN202311035263.1A CN202311035263A CN116752917A CN 116752917 A CN116752917 A CN 116752917A CN 202311035263 A CN202311035263 A CN 202311035263A CN 116752917 A CN116752917 A CN 116752917A
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CN
China
Prior art keywords
fixedly connected
connecting rod
transmission shaft
round
fixed
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
CN202311035263.1A
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Chinese (zh)
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CN116752917B (en
Inventor
李梦用
王永祥
杨洪飞
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Henan Zhongzheng Petroleum Lifting Machinery Co ltd
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Henan Zhongzheng Petroleum Lifting Machinery Co ltd
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Application filed by Henan Zhongzheng Petroleum Lifting Machinery Co ltd filed Critical Henan Zhongzheng Petroleum Lifting Machinery Co ltd
Priority to CN202311035263.1A priority Critical patent/CN116752917B/en
Publication of CN116752917A publication Critical patent/CN116752917A/en
Application granted granted Critical
Publication of CN116752917B publication Critical patent/CN116752917B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06Arrangements for treating drilling fluids outside the borehole
    • E21B21/063Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065Separating solids from drilling fluids
    • E21B21/066Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal

Abstract

The device relates to the field of shale shakers, and particularly discloses a negative pressure shale shaker for drilling. The technical problems of the invention are that: a negative pressure shale shaker for drilling is provided. The technical implementation scheme of the invention is as follows: the utility model provides a well drilling is with negative pressure shale shaker, including landing leg, lower circle shell and deformation device etc. deformation device is including second cylinder, first transmission shaft, first fixed block, second fixed block etc. second cylinder fixed mounting is on the mounting pad that support bracket intermediate position set up, and first transmission shaft one end passes through the adapter sleeve and rotates to be connected on the telescopic link of second cylinder, and the other end passes first fixed block fixed connection in the intermediate position of second fixed block. The shape of the contact surface between the scraping plate and the screen mesh can be changed, the scraping plate can pave mud when the mud enters the device, the screen mesh is prevented from being blocked by piling up the mud at one place, and the adsorbed mud can be scraped from the screen mesh.

Description

Negative pressure shale shaker for well drilling
Technical Field
The device relates to the field of shale shakers, in particular to a negative pressure shale shaker for drilling.
Background
In the prior art, mud that small-size drilling produced separates water and mud through negative pressure vibration, but at mud joining in-process, mud can block up the screen cloth, causes the absorption that the negative pressure machine can not be fine, leads to mud screening effect poor.
Disclosure of Invention
In order to overcome the defect that the slurry blocks a screen when entering a screening device, the technical problem is that: a negative pressure shale shaker for drilling is provided.
The technical scheme is as follows: the utility model provides a well drilling is with negative pressure shale shaker, including last round shell, support frame and deformation device, the both ends fixed connection of support frame is equipped with deformation device at the side of last round shell, the upper end of going up round shell, deformation device is including the second cylinder, first transmission shaft, first fixed block, the second fixed block, the axis of rotation, the fourth connecting rod, first pivot, the adapter sleeve, second pivot and scraper blade, second cylinder fixed mounting is on the mounting pad that support frame intermediate position set up, first transmission shaft one end passes the telescopic link of adapter sleeve rotation connection on the second cylinder, the other end passes first fixed block fixed connection in the intermediate position of second fixed block up end, the one end that first transmission shaft is close to the second cylinder is equipped with one section screw thread, first fixed block and first transmission shaft rotate to be connected, the one end fixed connection of axis of rotation is in the side of second fixed block, the other end fixed connection at the one end of fourth connecting rod, the other end rotation connection is in the second pivot is close to the one end of first fixed block, first pivot rotation is connected in the intermediate position of fourth connecting rod, the one end fixed connection is in the scraper blade, the other end fixed connection passes the fourth pivot, the scraper blade is rotated in the rotation.
As a preferable technical scheme of the invention, the lower end of the supporting bracket is fixedly connected to two sides of the dry mud treatment device, the supporting bracket is also provided with a rotating device, a lower round shell is arranged below the dry mud treatment device, the left side of the lower round shell is provided with a negative pressure machine, the rotating device comprises a motor, a second transmission shaft, a first gear and a second gear, the motor is fixedly arranged on a mounting pad arranged at the middle position of the supporting bracket, one end of the second transmission shaft is connected to an output shaft of the motor through a coupling, the other end of the second transmission shaft is fixedly connected to the middle position of the upper end surface of the first gear, the second gear is fixedly connected to one end of the first transmission shaft, which is close to the second cylinder, and the first gear and the second gear are mutually meshed.
As a preferable technical scheme of the invention, a screen fixing device is further arranged below the deformation device, the screen fixing device comprises a first fixing rod, a third spring, a second fixing rod, a round screen, a lower round shell, a fixed circle and a vibrating machine, the round screen is arranged below the first fixing block and fixedly connected to the upper surface of the fixed circle, the vibrating machine is fixedly connected to the lower surface of the fixed circle, one end of the first fixing rod is fixedly connected to the side surface of the fixed circle, the other end of the first fixing rod is fixedly connected to one end of the third spring, one end of the third spring is fixedly connected to one end of the second fixing rod, and the other end of the second fixing rod is fixedly connected to the inner surface of the lower round shell.
As a preferable technical scheme of the invention, the screen fixing device is also provided with a filtering device, a fan-shaped screen is fixedly connected between the two first fixing rods and the second fixing rods, one end face of the fan-shaped screen is fixedly connected to the side face of the fixed circle, and the arc-shaped end face of the fan-shaped screen is fixedly connected to the inner surface of the lower circular shell. As a preferable technical scheme of the invention, the rotating device is also provided with an adjusting device, the adjusting device comprises a third round cover, a sliding block and a first spring, the sliding block and the first spring are symmetrically arranged on two sides of the first transmission shaft, the sliding block is slidably connected in a groove on the third round cover, a thread is arranged on the end face of the sliding block, which is contacted with the first transmission shaft, of the sliding block, the sliding block is slidably connected with the first transmission shaft before the scraping plate is not deformed, the scraping plate is in threaded connection after the scraping plate is deformed, the third round cover is slidably connected with the first transmission shaft, one end of the first spring is fixedly connected in the groove arranged on one side, far away from the first transmission shaft, of the sliding block, the other end of the first spring is fixedly connected in the groove arranged on the third round cover, and the third round cover is slidably connected in the upper round shell.
As a preferable technical scheme of the invention, a stopping device is further arranged on the first transmission shaft, the stopping device comprises a third fixed block, a third rotating shaft, a fixed ball, a stopping block, a fifth connecting rod and a second spring, one end of the third rotating shaft is fixedly connected to the middle position of the side face of the third fixed block, the other end of the third rotating shaft is rotatably connected to the groove arranged on the first transmission shaft, the stopping block is fixedly connected to the position below the groove arranged on the first transmission shaft, the third fixed block is rotatably connected to the groove arranged on the first transmission shaft through the third rotating shaft, one end of the second spring is fixedly connected to the inner surface of the groove arranged at one end of the third fixed block, the other end of the second spring is fixedly connected to one end of the fifth connecting rod, the other end of the fifth connecting rod is fixedly connected with the fixed ball, and the fifth connecting rod and the fixed ball are slidably connected to the groove arranged at one end of the third fixed block.
As a preferable technical scheme of the invention, the upper left side of the upper round shell is also provided with a second plugging device, the second plugging device comprises a second round opening, a second sliding bar, a second round cover and a third connecting rod, the second round opening is fixedly connected in a through hole arranged at the upper left side of the upper round shell, one end of the second sliding bar is fixedly connected at the lower end of the second round cover, the other end of the second sliding bar is slidably connected in a groove arranged on the second round opening, one end of the third connecting rod is hinged at the middle position of the right end face of the second round cover, and the other end of the third connecting rod is hinged at the middle left position of the lower end face of the third round cover.
As a preferable technical scheme of the invention, the dry mud treatment device comprises a dry mud temporary storage groove, dry mud scraping blocks and a first cylinder, wherein the first cylinder is symmetrically and fixedly connected with two sides of an upper round shell, the surface of an inclined plane of the dry mud scraping blocks is fixedly connected with a telescopic rod of the first cylinder, the dry mud scraping blocks are slidably connected in the dry mud temporary storage groove, and the lower surface of the dry mud temporary storage groove is fixedly connected with the upper surface of a lower round shell.
As a preferable technical scheme of the invention, a sealing device is further arranged between the upper round shell and the dry mud treatment device, the sealing device comprises a connecting rod and a sealing ring, the upper surface of the sealing ring is propped against the lower surface of the upper round shell, the side surface of the sealing ring is propped against the inner side surface of the dry mud scraping block, one end of the connecting rod is fixedly connected to the side surface of the sealing ring, one end of the connecting rod, which is close to the sealing ring, is fixedly connected in a groove arranged on the side surface of the dry mud scraping block, and one end of the connecting rod, which is far away from the sealing ring, is slidably connected in a dry mud temporary storage groove and a groove arranged on the lower round shell.
As a preferable technical scheme of the invention, the right lower side of the lower circular shell is also provided with a first plugging device, the first plugging device comprises a first circular opening, a first sliding strip, a first circular cover, a first connecting rod and a second connecting rod, the first circular opening is fixedly connected in a circular through hole arranged at the right lower position of the lower circular shell, one end of the first sliding strip is slidably connected in a groove arranged on the first circular opening, the other end of the first sliding strip is fixedly connected at the lower end of the first circular cover, one end of the first connecting rod is fixedly connected at the middle position of the left end face of the first circular cover, the other end of the first connecting rod is hinged at one end of the second connecting rod, and the other end of the second connecting rod is hinged at one end of the connecting rod far away from the sealing ring.
Compared with the prior art, the invention has the following advantages:
the utility model provides a well drilling is with negative pressure shale shaker passes through the scraper blade and the change of screen cloth contact surface shape, can pave mud when mud gets into the device on the one hand, prevents that mud from piling up in one place, makes the screen cloth jam, and on the other hand scraper blade can scrape the earth from the screen cloth after the negative pressure machine adsorbs, prevents that the screen cloth from blockking up. The scraper blade is subjected to power transmission, so that mud can be well paved, and soil can be removed from the screen after the mud is adsorbed by the negative pressure machine. The screen cloth is fixed to screen cloth fixing device's installation on the one hand, and on the other hand provides the position for the installation of bobbing machine, and screen cloth installation device's structure setting can prevent that the bobbing machine from driving the device and wholly vibrating.
The setting of filter equipment can prevent on the one hand that the water that filters from the circular screen cloth from getting off from influencing the bobbing machine life, and on the other hand also can carry out secondary filtration to the water that filters from the circular screen cloth from getting off, reaches better effect. The adjusting device can be used for quickly separating and connecting the third round cover and the first transmission shaft so as to perform corresponding actions.
The third round cover can be stopped at a proper place by the arrangement of the stopping device, so that the tightness of the inside of the device is ensured. The arrangement of the second plugging device can enable slurry to enter the device on one hand and ensure the tightness of the inner space of the device on the other hand. The dry mud treatment device can concentrate the dry mud left after the mud is screened, and improves the efficiency of treating the dry mud.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the device.
Fig. 2 is a schematic diagram of the internal structure of the device.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a partial enlarged view at B in fig. 2.
Fig. 5 is a partial enlarged view at C in fig. 2.
FIG. 6 is a schematic view of the filter device and seal device in place.
In the figure: 1. the support leg, 2, a lower round shell, 3, a first plugging device, 4, a dry mud treatment device, 5, a sealing device, 6, an upper round shell, 7, a second plugging device, 8, a deformation device, 9, a rotation device, 10, a support bracket, 11, a negative pressure machine, 12, a screen fixing device, 13, a fan-shaped screen, 14, a fixed circle, 15, a vibrating machine, 16, a round screen, 301, a first round opening, 302, a first slide bar, 303, a first round cover, 304, a first connecting rod, 305, a second connecting rod, 401, a dry mud temporary storage groove, 402, a dry mud scraping block, 403, a first cylinder, 501, a connecting rod, 502, a sealing ring, 701, a second round opening, 702 and a second slide bar, 703, second dome, 704, third link, 801, second cylinder, 802, first drive shaft, 803, first fixed block, 804, second fixed block, 805, rotation shaft, 806, fourth link, 807, first rotation shaft, 808, second rotation shaft, 809, scraper, 810, connection sleeve, 901, motor, 902, second drive shaft, 903, first gear, 904, second gear, 905, slider, 906, first spring, 907, third fixed block, 908, third rotation shaft, 909, fixed ball, 910, fifth link, 911, second spring, 912, stop block, 913, third dome, 1201, first fixed rod, 1202, third spring, 1203, second fixed rod.
Detailed Description
The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
Example 1
1-3, including an upper round shell 6, a support bracket 10 and a deformation device 8, two ends of the support bracket 10 are fixedly connected with the side surface of the upper round shell 6, the upper end of the upper round shell 6 is provided with the deformation device 8, the deformation device 8 comprises a second cylinder 801, a first transmission shaft 802, a first fixed block 803, a second fixed block 804, a rotation shaft 805, a fourth connecting rod 806, a first rotation shaft 807, a connecting sleeve 810, a second rotation shaft 808 and a scraping plate 809, the scraping plate 809 is provided with a plurality of contact surfaces of the scraping plate 809 for tiling mud in the mud adding process, preventing mud from piling up together and affecting the filtering effect, the second cylinder 801 is fixedly arranged on a mounting pad arranged in the middle position of the support bracket 10, one end of the first transmission shaft 802 is rotationally connected to the telescopic rod of the second cylinder 801 through a connecting sleeve 810, the other end of the first transmission shaft 802 passes through the first fixed block 803 to be fixedly connected to the middle position of the upper end face of the second fixed block 804, one end of the first transmission shaft 802, which is close to the second cylinder 801, is provided with a section of screw thread, the first fixed block 803 is rotationally connected with the first transmission shaft 802, one end of the rotation shaft 805 is fixedly connected to the side face of the second fixed block 804, the other end of the rotation shaft 805 is fixedly connected to one end of the fourth connecting rod 806, the other end of the fourth connecting rod 806 is rotationally connected to one end, which is close to the first fixed block 803, of the second rotation shaft 808, the first rotation shaft 807 is rotationally connected to the middle position of the fourth connecting rod 806, one end of the first rotation shaft 807 is fixedly connected to the side face of the scraping plate 809, and the other end of the scraping plate 809 passes through the fourth connecting rod 806 to be rotationally connected to the second rotation shaft 808.
When slurry is added to the device by a certain amount, the slurry is stopped to be added to the device, the first transmission shaft 802 is driven to move upwards by the contraction of the telescopic rod of the second cylinder 801, the first transmission shaft 802 moves upwards to drive the second fixed block 804 to slide upwards in the groove arranged in the first fixed block 803, the sliding of the second fixed block 804 drives the rotating shaft 805 to rotate around the second rotating shaft 808, the rotating shaft 805 drives the fourth connecting rod 806 to rotate around the second rotating shaft 808, the rotating shaft 807 of the fourth connecting rod 806 drives the first rotating shaft 807 to rotate around the second rotating shaft 808, the rotating shaft 807 of the first rotating shaft 807 drives the scraper 809 to rotate around the second rotating shaft 808, so that the shape of the contact surface of the scraper 809 and the circular screen 16 is changed, after the shape of the scraper 809 is changed, the circular screen 16 can be prevented from being blocked by the rotation of the scraper 809, and dry slurry on the circular screen 16 can be scraped into the dry slurry temporary storage groove 401.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the lower end of the supporting bracket 10 is fixedly connected to two sides of the dry mud treatment device 4, a rotating device 9 is further arranged on the supporting bracket 10, a lower round shell 2 is arranged below the dry mud treatment device 4, a negative pressure machine 11 is arranged on the left side of the lower round shell 2, the negative pressure machine 11 stops adding to the device to enable the lower round shell 2 to form a vacuum state for assisting mud filtration, the rotating device 9 comprises a motor 901, a second transmission shaft 902, a first gear 903 and a second gear 904, the motor 901 is fixedly arranged on a mounting pad arranged in the middle of the supporting bracket 10, one end of the second transmission shaft 902 is connected to an output shaft of the motor 901 through a coupling, the other end of the second transmission shaft 902 is fixedly connected to the middle of an upper end of the first gear 903, the second gear 904 is fixedly connected to one end of the first transmission shaft 802, the first gear 903 and the second gear 904 are meshed together, one end of the rotating shaft 805 is fixedly connected to a side face of the second fixing block 804, the other end of the rotating shaft 808 is fixedly connected to a fourth end of the rotating shaft 806, the other end of the rotating shaft is fixedly connected to the fourth end of the rotating shaft 807, and the other end of the rotating shaft is fixedly connected to the fourth end of the fourth rotating shaft 807 is fixedly connected to the fourth end of the rotating shaft 807.
The motor 901 continuously rotates in the slurry screening process, only the rotation direction is changed, during the slurry adding process, the anticlockwise rotation of the output shaft of the motor 901 drives the anticlockwise rotation of the second transmission shaft 902, the rotation of the second transmission shaft 902 drives the first gear 903 to anticlockwise rotate, the rotation of the first gear 903 drives the second gear 904 to clockwise rotate, the rotation of the second gear 904 drives the first transmission shaft 802 to clockwise rotate, the rotation of the first transmission shaft 802 drives the second fixed block 804 to clockwise rotate, the rotation of the second fixed block 804 drives the first fixed block 803 to clockwise rotate, the rotation of the second fixed block 804 also simultaneously drives the rotation shaft 805, the fourth connecting rod 806 and the first rotation shaft 807 to clockwise rotate around the center of the first transmission shaft 802, the rotation of the first fixed block 803 and the first rotation shaft 807 drives the second rotation shaft 808 to clockwise rotate, the rotation of the second shaft 808 drives the scraper 809 to rotate clockwise, the newly added slurry is paved by the clockwise rotation of the scraper 809 to prevent the slurry from accumulating at one place, the round screen 16 is blocked, the slurry can be primarily filtered by gravity, when the slurry is stopped to be added into the device, the clockwise rotation of the output shaft of the motor 901 drives the second transmission shaft 902 to rotate clockwise, the rotation of the second transmission shaft 902 drives the first gear 903 to rotate clockwise, the first gear 903 drives the second gear 904 to rotate anticlockwise, the rotation of the second gear 904 drives the first transmission shaft 802 to rotate anticlockwise, the rotation of the first transmission shaft 802 drives the second fixed block 804 to rotate anticlockwise, the rotation of the second fixed block 804 drives the first fixed block 803 to rotate anticlockwise, and the rotation of the second fixed block 804 also drives the rotation shaft 805, the fourth link 806 and the first rotating shaft 807 rotate counterclockwise around the center of the first transmission shaft 802, the rotation of the first fixed block 803 and the first rotating shaft 807 drives the second rotating shaft 808 to rotate counterclockwise, the rotation of the second rotating shaft 808 drives the scraper 809 to rotate counterclockwise, and the counterclockwise rotation of the scraper 809 agitates the mud adsorbed on the circular screen 16 due to gravity, thereby preventing the circular screen 16 from being blocked, and enabling the negative pressure machine 11 to adsorb the mud to a desired effect.
Example 3
On the basis of embodiment 2, as shown in fig. 2-6, a screen fixing device 12 is further disposed below the deformation device 8, the screen fixing device 12 includes a first fixing rod 1201, a third spring 1202, a second fixing rod 1203, a circular screen 16, a lower circular housing 2, a fixed circle 14 and a vibrator 15, the first fixing rod 1201, the second fixing rod 1203 and the third spring 1202 are disposed at three and fixedly connected to the side of the fixed circle 14, the included angles of the two first fixing rods 1201, the second fixing rod 1203 and the third spring 1202 are all hundred twenty degrees, the circular screen 16 is disposed below the first fixing block 803 and fixedly connected to the upper surface of the fixed circle 14, the vibrator 15 is fixedly connected to the lower surface of the fixed circle 14, one end of the first fixing rod 1201 is fixedly connected to the side of the fixed circle 14, the other end of the third spring 1202 is fixedly connected to one end of the second fixing rod 1203, and the other end of the second fixing rod 1203 is fixedly connected to the inner surface of the lower circular housing 2.
In the whole slurry screening process, the vibrator 15 is in a working state, on one hand, the working of the vibrator 15 can accelerate the slurry screening speed, on the other hand, the slurry can be prevented from blocking the circular screen 16, the vibration of the vibrator 15 drives the vibration of the fixed circle 14, the vibration of the fixed circle 14 drives the vibration of the circular screen 16, the vibration of the fixed circle 14 also drives the vibration of the first solid rod 1201, and the vibration of the first solid rod 1201 drives the expansion and contraction of the third spring 1202, so that the vibrator 15 can drive the circular screen 16 to vibrate, the whole device can also be prevented from vibrating along with the vibrator 15, and meanwhile, the circular screen 16 can be fixed.
The screen fixing device 12 is further provided with a filtering device, the filtering device is arranged to further filter mud, water screened out by the mud achieves an ideal effect, the number of the fan-shaped screens 13 is three, the fan-shaped screens 13 are fixedly connected between the two first solid rods 1201 and the second solid rods 1203, one end face of each fan-shaped screen 13 is fixedly connected to the side face of the fixed circle 14, and the arc-shaped end face of each fan-shaped screen 13 is fixedly connected to the inner surface of the lower circular shell 2. The fan-shaped screen 13 may be provided with a cover plate at one end near the fixed circle 14, or a part of the fan-shaped screen 13 near one end of the fixed circle 14 is provided with no holes, so as to prevent the service life of the vibrator 15 from being affected by water filtered from the slurry.
The vibration of the first fixed rod 1201 and the fixed circle 14 drives the vibration of the fan-shaped screen 13, so that the slurry passing through the fan-shaped screen 13 is filtered quickly, the fan-shaped screen 13 is made of soft materials and has a density higher than that of holes on the circular screen 16, so that the vibration of the vibrator 15 is adapted, and the slurry is filtered better.
The rotating device 9 is further provided with an adjusting device, the adjusting device comprises a third round cover 913, a sliding block 905 and a first spring 906, the sliding block 905 and the first spring 906 are symmetrically arranged on two sides of the first transmission shaft 802, the sliding block 905 is slidably connected in a groove on the third round cover 913, a protrusion is arranged on the side face of the sliding block 905, so that the sliding block 905 is firmly connected with the third round cover 913, threads are arranged on the end face, contacted with the first transmission shaft 802, of the sliding block 905, the sliding connection of the sliding block 905 and the first transmission shaft 802 is realized, when mud is added to the position of the second round opening 701 of the device, mud is stopped from being added to the device, the shrinkage of a telescopic rod of the second cylinder 801 drives the first transmission shaft 802 to move upwards, the sliding block 905 is in threaded connection with the first transmission shaft 802, one end of the first spring 906 is fixedly connected in the groove arranged on one side, far away from the first transmission shaft 802, the other end of the first spring 906 is fixedly connected in the groove 905 arranged on the third round cover 913, and the third round cover 913 is slidably connected in the upper casing 6.
The elastic force of the first spring 906 makes the end face of the end, provided with the threads, of the slide block 905 always prop against the surface of the first transmission shaft 802, in the process of adding mud into the device, the anticlockwise rotation of the output shaft of the motor 901 drives the anticlockwise rotation of the second transmission shaft 902, the rotation of the second transmission shaft 902 drives the first gear 903 to anticlockwise rotate, the rotation of the first gear 903 drives the second gear 904 to clockwise rotate, the rotation of the second gear 904 drives the first transmission shaft 802 to clockwise rotate, the first transmission shaft 802 is in sliding connection with the slide block 905, the slide block 905 and the third round cover 913 are stopped above the second round opening 701 through the threads arranged on the first transmission shaft 802 and the slide block 905, when mud is stopped to be added into the device, the anticlockwise rotation of the output shaft of the motor 901 drives the second transmission shaft 902, the rotation of the second transmission shaft 902 drives the first gear 903 to anticlockwise rotate, the rotation of the first gear 903 drives the second gear 904 to anticlockwise rotate, the rotation of the second gear 904 drives the first transmission shaft 904 to anticlockwise rotate, the first transmission shaft 802 is in sliding connection with the slide block 905, and the slide block 905 is stopped against the end face of the third round cover 913 through the threads of the first transmission shaft 802.
The first transmission shaft 802 is further provided with a stopping device, the stopping device comprises a third solid block 907, a third rotating shaft 908, a fixed ball 909, a stopping block 912, a fifth connecting rod 910 and a second spring 911, the stopping device is symmetrically arranged on the first transmission shaft 802, one end of the third rotating shaft 908 is fixedly connected to the middle position of the side face of the third solid block 907, the other end of the third rotating shaft 908 is rotatably connected to a groove arranged on the first transmission shaft 802, the stopping block 912 is fixedly connected to the position below the groove arranged on the first transmission shaft 802, the stopping block 912 can support a third round cover 913, sealing of the device can be guaranteed through cooperation with the third round cover 913, the third solid block 907 is rotatably connected to the groove arranged on the first transmission shaft 802 through the third rotating shaft 908, one end of the second spring 911 is fixedly connected to the inner surface of the groove arranged at one end of the third solid block 907, the other end of the second spring 910 is fixedly connected to one end of the fifth connecting rod 910, the other end of the fifth connecting rod 910 is fixedly connected to the fixed ball 909, and the fifth connecting rod 910 is slidably connected to the fixed ball 909 in the groove arranged at one end of the third solid block 907.
The third round cover 913 slides downwards to enable the lower end surface of the third round cover 913 to approach the upper end surface of the stop block 912, the third round cover 913 gradually presses the third fixed block 907 to be far away from one end of the fixed ball 909, the pressing of the third round cover 913 enables the third fixed block 907 to rotate around the third rotating shaft 908, the rotation of the third fixed block 907 drives the fixed ball 909, the fifth connecting rod 910 and the second spring 911 to rotate around the third rotating shaft 908, the surface of the fixed ball 909 abuts against the threaded end surface of the sliding block 905, the sliding block 905 is in sliding connection with the first transmission shaft 802, the third round cover 913 stops sliding on the first transmission shaft 802, the lower end surface abuts against the upper end surface of the stop block 912, and the rotation of the first transmission shaft 802 and the pressing of the sliding block 905 enable the fixed ball and the fifth connecting rod 910 to slide in the groove formed by the third fixed block 907, so that the fixed ball 909 is prevented from being blocked by the fact that the first transmission shaft 802 and the third fixed block 907 rotate to the two ends of the sliding block 905 are not provided with springs.
The upper left side of the upper round shell 6 is also provided with a second plugging device 7, the second plugging device 7 comprises a second round opening 701, a second sliding strip 702, a second round cover 703 and a third connecting rod 704, the second round opening 701 is fixedly connected in a through hole formed in the upper position of the left side of the upper round shell 6, mud can be conveniently added into the device through the arrangement of the second round opening 701, the upper round shell 6 can be sealed easily and quickly, one end of the second sliding strip 702 is fixedly connected to the lower end of the second round cover 703, the other end of the second sliding strip 702 is slidably connected in a groove formed in the second round opening 701, one end of the third connecting rod 704 is hinged to the middle position of the right end face of the second round cover 703, and the other end of the third connecting rod 704 is hinged to the middle position of the lower end face of the third round cover 913, which is close to the left.
The third round cover 913 slides downwards to drive the third connecting rod 704 to rotate, the rotation of the third connecting rod 704 drives the second round cover 703 and the second sliding strip 702 to slide in the groove arranged on the second round opening 701 towards the direction close to the second round opening 701, so that the tightness of the device is ensured, slurry is stopped to be added into the device, the third round cover 913 slides upwards to drive the rotation of the third connecting rod 704, the rotation of the third connecting rod 704 drives the second round cover 703 and the second sliding strip 702 to slide in the groove arranged on the second round opening 701 towards the direction far away from the second round opening 701, and the second round opening 701 is opened, so that the slurry can enter the device.
The dry mud processing device 4 comprises a dry mud temporary storage groove 401, dry mud scraping blocks 402 and first air cylinders 403, wherein the first air cylinders 403 are symmetrically and fixedly connected to two sides of an upper round shell 6, the dry mud scraping blocks 402 are in an inclined shape and are annular, the dry mud scraping blocks 402 can be in a shape to scrape dry mud better, dry mud is convenient to fall off from the dry mud scraping blocks 402, the inclined surfaces of the dry mud scraping blocks 402 are fixedly connected to telescopic rods of the first air cylinders 403, and the dry mud scraping blocks 402 are in sliding connection in the dry mud temporary storage groove 401.
The shrinkage of the telescopic rod of the first air cylinder 403 drives the dry mud scraping block 402 to slide upwards in the dry mud temporary storage groove 401, and the dry mud scraped into the dry mud temporary storage groove 401 is scraped to the outside so as to carry out centralized treatment on the dry mud, and the telescopic rod of the first air cylinder 403 stretches out to drive the dry mud scraping block 402 to slide downwards in the dry mud temporary storage groove 401, so that the next dry mud scraping into the dry mud temporary storage groove 401 is facilitated.
Still be equipped with sealing device 5 between last round shell 6 and the dry mud processing apparatus 4, sealing device 5 is including connecting rod 501 and sealing ring 502, the upper surface of sealing ring 502 offsets with the lower surface of last round shell 6, the side of sealing ring 502 offsets with the medial surface of dry mud scraping block 402, the one end fixed connection of connecting rod 501 is in the side of sealing ring 502, the centre of connecting rod 501 leans on sealing ring 502 one end fixed connection in the recess that the side set up of dry mud scraping block 402, the one end sliding connection that sealing ring 502 was kept away from to connecting rod 501 is in the recess that sets up on dry mud temporary storage tank 401 and lower round shell 2.
The dry mud scraping block 402 slides upwards to drive the connecting rod 501 to slide upwards in the groove that the lower round shell 2 and the dry mud temporary storage groove 401 are arranged, the sliding of the connecting rod 501 drives the sliding of the sealing ring 502, the upper end face of the sealing ring 502 is propped against the lower end face of the upper round shell 6, so that the tightness of the inside of the device is ensured, the dry mud scraping block 402 slides downwards to drive the connecting rod 501 to slide downwards in the groove that the lower round shell 2 and the dry mud temporary storage groove 401 are arranged, the distance is reserved between the upper end face of the sealing ring 502 and the lower end face of the upper round shell 6, and the scraper 809 can scrape dry mud into the dry mud temporary storage groove 401 conveniently.
The lower right side of the lower round shell 2 is further provided with a first plugging device 3, the first plugging device 3 comprises a first round opening 301, a first sliding strip 302, a first round cover 303, a first connecting rod 304 and a second connecting rod 305, the arrangement of the first round opening 301 can facilitate the discharge of filtered slurry outwards from the device, the lower round shell 2 can be sealed easily and quickly, the first round opening 301 is fixedly connected in a round through hole formed in the lower right side of the lower round shell 2, one end of the first sliding strip 302 is slidably connected in a groove formed in the first round opening 301, the other end of the first sliding strip is fixedly connected to the lower end of the first round cover 303, one end of the first connecting rod 304 is fixedly connected to the middle position of the left end face of the first round cover 303, the other end of the first connecting rod 305 is hinged to one end of the second connecting rod 305, and the other end of the second connecting rod 305 is hinged to one end of the connecting rod 501, which is far away from the sealing ring 502.
The connecting rod 501 slides upwards in the grooves formed in the lower circular shell 2 and the dry mud temporary storage groove 401 to drive the second connecting rod 305 to rotate, the rotation of the second connecting rod 305 drives the first connecting rod 304, the first circular cover 303 and the first sliding strip 302 to slide in the direction away from the first circular opening 301 in the sliding groove formed in the first circular opening 301, so that filtered mud flows out of the device, the connecting rod 501 slides downwards in the grooves formed in the lower circular shell 2 and the dry mud temporary storage groove 401 to drive the second connecting rod 305 to rotate, and the rotation of the second connecting rod 305 drives the first connecting rod 304, the first circular cover 303 and the first sliding strip 302 to slide in the direction close to the first circular opening 301 in the sliding groove formed in the first circular opening 301, so that the tightness of the device is ensured.
The foregoing examples only illustrate preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The utility model provides a negative pressure shale shaker for well drilling, which is characterized by, including last round shell (6), support frame (10) and deformation device (8), the both ends fixed connection of support frame (10) are on the side of last round shell (6), the upper end of last round shell (6) is equipped with deformation device (8), deformation device (8) are including second cylinder (801), first transmission shaft (802), first fixed block (803), second fixed block (804), axis of rotation (805), fourth connecting rod (806), first pivot (807), adapter sleeve (810), second pivot (808) and scraper blade (809), second cylinder (801) fixed mounting is on the mounting pad that support frame (10) intermediate position set up, first transmission shaft (802) one end is passed through adapter sleeve (810) and is connected on the telescopic link of second cylinder (801) rotation, the other end passes the intermediate position of first fixed block (804) up end, one end that first transmission shaft (802) is close to second cylinder (801) is equipped with one section screw thread, first fixed block (802) and first rotation (805) are connected at the fixed connection of first end (803) at the side of second cylinder (804), the other end of the fourth connecting rod (806) is rotationally connected to one end, close to the first fixed block (803), of the second rotating shaft (808), the first rotating shaft (807) is rotationally connected to the middle position of the fourth connecting rod (806), one end of the first rotating shaft (807) is fixedly connected to the side face of the scraping plate (809), the other end of the first rotating shaft penetrates through the fourth connecting rod (806), and the scraping plate (809) is rotationally connected to the second rotating shaft (808).
2. The negative pressure shale shaker for well drilling according to claim 1, characterized in that the lower extreme fixed connection of support frame (10) is in the both sides of dry mud processing apparatus (4), still be equipped with rotary device (9) on support frame (10), the below of dry mud processing apparatus (4) is equipped with down circular shell (2), the left side of circular shell (2) is equipped with negative pressure machine (11), rotary device (9) are including motor (901), second transmission shaft (902), first gear (903) and second gear (904), motor (901) fixed mounting is on the mounting pad that support frame (10) intermediate position set up, second transmission shaft (902) one end is through the coupling joint on the output shaft of motor (901), the intermediate position of other end fixed connection at first gear (903) up end, second gear (904) fixed connection is in the one end that first transmission shaft (802) is close to second cylinder (801), first gear (903) and second gear (904) are intermeshing together.
3. The negative pressure shale shaker for well drilling according to claim 2, wherein a screen fixing device (12) is further arranged below the deformation device (8), the screen fixing device (12) comprises a first fixing rod (1201), a third spring (1202), a second fixing rod (1203), a round screen (16), a lower round shell (2), a fixed circle (14) and a vibrator (15), the round screen (16) is arranged below the first fixing block (803) and fixedly connected to the upper surface of the fixed circle (14), the vibrator (15) is fixedly connected to the lower surface of the fixed circle (14), one end of the first fixing rod (1201) is fixedly connected to the side surface of the fixed circle (14), the other end of the first fixing rod is fixedly connected to one end of the third spring (1202), one end of the third spring (1202) is fixedly connected to one end of the second fixing rod (1203), and the other end of the second fixing rod (1203) is fixedly connected to the inner surface of the lower round shell (2).
4. A negative pressure shale shaker for drilling according to claim 3, characterized in that a fan-shaped screen (13) is fixedly connected between the two first fixed rods (1201) and the second fixed rod (1203), one end face of the fan-shaped screen (13) is fixedly connected to the side face of the fixed circle (14), and the arc-shaped end face of the fan-shaped screen (13) is fixedly connected to the inner surface of the lower circular shell (2).
5. The negative pressure shale shaker for well drilling according to claim 2, wherein the rotating device (9) is further provided with an adjusting device, the adjusting device comprises a third round cover (913), a sliding block (905) and a first spring (906), the sliding block (905) and the first spring (906) are symmetrically arranged on two sides of the first transmission shaft (802), the sliding block (905) is slidably connected in a groove on the third round cover (913), the sliding block (905) is provided with threads on the end face contacted with the first transmission shaft (802), the sliding block (905) and the first transmission shaft (802) are slidably connected before the scraping plate (809) is not deformed, the scraping plate (809) is in threaded connection after being deformed, the third round cover (913) is slidably connected with the first transmission shaft (802), one end of the first spring (906) is fixedly connected in the groove arranged on one side, far away from the first transmission shaft (802), the other end of the first spring (906) is fixedly connected in the groove arranged on the third round cover (913), and the third round cover (913) is slidably connected in the upper round housing (6).
6. The negative pressure shale shaker for well drilling according to claim 5, wherein a stopping device is further arranged on the first transmission shaft (802), the stopping device comprises a third fixed block (907), a third rotating shaft (908), a fixed ball (909), a fifth connecting rod (910) and a second spring (911), one end of the third rotating shaft (908) is fixedly connected to the middle position of the side face of the third fixed block (907), the other end is rotatably connected to a groove arranged on the first transmission shaft (802), the stopping block (912) is fixedly connected to the position below the groove arranged on the first transmission shaft (802), the third fixed block (907) is rotatably connected to the groove arranged on the first transmission shaft (802) through the third rotating shaft (908), one end of the second spring (911) is fixedly connected to the inner surface of the groove arranged at one end of the third fixed block (907), the other end is fixedly connected to one end of the fifth connecting rod (910), the other end of the fifth connecting rod (910) is fixedly connected to the fixed ball (909), and the fifth connecting rod (910) and the fixed ball (909) are slidingly connected to the groove arranged at one end of the third fixed block (907).
7. The negative pressure shale shaker for well drilling according to claim 6, wherein the upper left side of the upper circular casing (6) is further provided with a second plugging device (7), the second plugging device (7) comprises a second circular port (701), a second sliding bar (702), a second circular cover (703) and a third connecting rod (704), the second circular port (701) is fixedly connected in a through hole arranged at the upper left side of the upper circular casing (6), one end of the second sliding bar (702) is fixedly connected at the lower end of the second circular cover (703), the other end of the second sliding bar (702) is slidably connected in a groove arranged on the second circular port (701), one end of the third connecting rod (704) is hinged at the middle position of the right end face of the second circular cover (703), and the other end of the third connecting rod (913) is hinged at the middle left position of the lower end face of the third circular cover (913).
8. The negative pressure shale shaker for well drilling of claim 7, wherein the dry mud treatment device (4) comprises a dry mud temporary storage groove (401), a dry mud scraping block (402) and a first cylinder (403), the first cylinder (403) is symmetrically and fixedly connected to two sides of the upper round shell (6), the surface of the inclined surface of the dry mud scraping block (402) is fixedly connected to a telescopic rod of the first cylinder (403), the dry mud scraping block (402) is slidably connected in the dry mud temporary storage groove (401), and the lower surface of the dry mud temporary storage groove (401) is fixedly connected to the upper surface of the lower round shell (2).
9. The negative pressure shale shaker for well drilling according to claim 8, characterized in that sealing device (5) is further arranged between the upper round casing (6) and the dry mud treatment device (4), the sealing device (5) comprises a connecting rod (501) and a sealing ring (502), the upper surface of the sealing ring (502) is propped against the lower surface of the upper round casing (6), the side surface of the sealing ring (502) is propped against the inner side surface of the dry mud scraping block (402), one end of the connecting rod (501) is fixedly connected to the side surface of the sealing ring (502), one end of the connecting rod (501) is fixedly connected to a groove arranged on the side surface of the dry mud scraping block (402) by one end of the sealing ring (502), and one end of the connecting rod (501) far away from the sealing ring (502) is slidably connected to the groove arranged on the dry mud temporary storage groove (401) and the lower round casing (2).
10. The negative pressure shale shaker for well drilling according to claim 9, wherein the right lower side of the lower circular casing (2) is further provided with a first plugging device (3), the first plugging device (3) comprises a first circular port (301), a first sliding bar (302), a first circular cover (303), a first connecting rod (304) and a second connecting rod (305), the first circular port (301) is fixedly connected in a circular through hole arranged at the right lower position of the lower circular casing (2), one end of the first sliding bar (302) is slidably connected in a groove arranged on the first circular port (301), the other end of the first sliding bar is fixedly connected at the lower end of the first circular cover (303), one end of the first connecting rod (304) is fixedly connected at the middle position of the left end face of the first circular cover (303), the other end of the first sliding bar is hinged at one end of the second connecting rod (305), and the other end of the second connecting rod (305) is hinged at one end of the connecting rod (501) far away from the sealing ring (502).
CN202311035263.1A 2023-08-17 2023-08-17 Negative pressure shale shaker for well drilling Active CN116752917B (en)

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Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070108106A1 (en) * 2005-11-16 2007-05-17 Burnett George A Shakers with primary and auxiliary vibrators
US20080078699A1 (en) * 2006-09-29 2008-04-03 M-I Llc Shaker and degasser combination
CN105880157A (en) * 2016-06-15 2016-08-24 成都来宝石油设备有限公司 Improved structure of screen cloth of mud vibrating screen for marine drilling
CN205730554U (en) * 2016-06-15 2016-11-30 成都来宝石油设备有限公司 A kind of water-based drilling muds retracting device
CN106939773A (en) * 2017-05-08 2017-07-11 长江大学 A kind of drilling fluid mud screening drying method for treating and drilling fluid mud screening plant
CN106955840A (en) * 2017-05-08 2017-07-18 长江大学 A kind of vibratory sieve for drilling fluid mud
CN210449812U (en) * 2019-07-17 2020-05-05 吉林信达石油技术服务有限公司 Mud shale shaker for oil field well drilling
CN111794702A (en) * 2020-07-16 2020-10-20 陕西艾潽机械制造有限公司 Degassing vibrating screen
CN211974917U (en) * 2020-03-03 2020-11-20 河南中正石油起重机械有限公司 Drilling fluid cleaner
CN112227991A (en) * 2020-12-14 2021-01-15 东营市永吉石油机械有限责任公司 Drilling fluid processing apparatus
CN212716498U (en) * 2020-07-20 2021-03-16 江苏恒鑫石化机械有限公司 Novel mud shale shaker for well drilling
CN112746822A (en) * 2021-01-06 2021-05-04 四川宝石机械石油钻头有限责任公司 Drilling fluid mud negative pressure screening system
CN113006720A (en) * 2021-03-31 2021-06-22 四川宝石机械石油钻头有限责任公司 Drilling fluid mud negative pressure screen device and separation method thereof
CN113006719A (en) * 2021-03-31 2021-06-22 四川宝石机械石油钻头有限责任公司 Negative pressure screen self-vibration device and separation method thereof
CN214829848U (en) * 2020-12-24 2021-11-23 孙腾飞 Novel negative pressure mud processing system
CN216110602U (en) * 2021-10-14 2022-03-22 珙县易洁环保科技有限公司 Mud-rock separation and collection device for well drilling
US20220307336A1 (en) * 2021-03-24 2022-09-29 Southwest Petroleum University Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation
CN218014039U (en) * 2022-08-19 2022-12-13 河北博星石化设备有限公司 Negative pressure formula shale shaker
CN218357809U (en) * 2022-09-01 2023-01-24 博科丝特工业技术(江苏)有限公司 Drilling mud solid control equipment
CN115853451A (en) * 2022-12-31 2023-03-28 河南中正石油起重机械有限公司 Novel negative pressure vibrating screen

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070108106A1 (en) * 2005-11-16 2007-05-17 Burnett George A Shakers with primary and auxiliary vibrators
US20080078699A1 (en) * 2006-09-29 2008-04-03 M-I Llc Shaker and degasser combination
CN105880157A (en) * 2016-06-15 2016-08-24 成都来宝石油设备有限公司 Improved structure of screen cloth of mud vibrating screen for marine drilling
CN205730554U (en) * 2016-06-15 2016-11-30 成都来宝石油设备有限公司 A kind of water-based drilling muds retracting device
CN106939773A (en) * 2017-05-08 2017-07-11 长江大学 A kind of drilling fluid mud screening drying method for treating and drilling fluid mud screening plant
CN106955840A (en) * 2017-05-08 2017-07-18 长江大学 A kind of vibratory sieve for drilling fluid mud
CN210449812U (en) * 2019-07-17 2020-05-05 吉林信达石油技术服务有限公司 Mud shale shaker for oil field well drilling
CN211974917U (en) * 2020-03-03 2020-11-20 河南中正石油起重机械有限公司 Drilling fluid cleaner
CN111794702A (en) * 2020-07-16 2020-10-20 陕西艾潽机械制造有限公司 Degassing vibrating screen
CN212716498U (en) * 2020-07-20 2021-03-16 江苏恒鑫石化机械有限公司 Novel mud shale shaker for well drilling
CN112227991A (en) * 2020-12-14 2021-01-15 东营市永吉石油机械有限责任公司 Drilling fluid processing apparatus
CN214829848U (en) * 2020-12-24 2021-11-23 孙腾飞 Novel negative pressure mud processing system
CN112746822A (en) * 2021-01-06 2021-05-04 四川宝石机械石油钻头有限责任公司 Drilling fluid mud negative pressure screening system
US20220307336A1 (en) * 2021-03-24 2022-09-29 Southwest Petroleum University Negative pressure shale shaker integrated with negative pressure generation and gas-liquid separation
CN113006720A (en) * 2021-03-31 2021-06-22 四川宝石机械石油钻头有限责任公司 Drilling fluid mud negative pressure screen device and separation method thereof
CN113006719A (en) * 2021-03-31 2021-06-22 四川宝石机械石油钻头有限责任公司 Negative pressure screen self-vibration device and separation method thereof
CN216110602U (en) * 2021-10-14 2022-03-22 珙县易洁环保科技有限公司 Mud-rock separation and collection device for well drilling
CN218014039U (en) * 2022-08-19 2022-12-13 河北博星石化设备有限公司 Negative pressure formula shale shaker
CN218357809U (en) * 2022-09-01 2023-01-24 博科丝特工业技术(江苏)有限公司 Drilling mud solid control equipment
CN115853451A (en) * 2022-12-31 2023-03-28 河南中正石油起重机械有限公司 Novel negative pressure vibrating screen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
符达良: "深井钻井作业中钻井液的固相控制", 石油机械, no. 05, pages 59 *
赵文义, 涂必城, 刘汝皋: "ZCQ_1型真空式泥浆除气器", 石油机械, no. 03, pages 1 *

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