CN211263084U

CN211263084U - Electric six-speed rotary viscometer

Info

Publication number: CN211263084U
Application number: CN201921886747.6U
Authority: CN
Inventors: 周济浩
Original assignee: Zhejiang Zhong Heng Instrument And Meter Co ltd
Current assignee: Zhejiang Zhong Heng Instrument And Meter Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-14
Anticipated expiration: 2029-11-05

Abstract

The utility model provides an electronic six-speed rotational viscometer, including first casing, install the torsional spring subassembly in the first casing, the calibrated scale is connected to the torsional spring subassembly outside, be equipped with the reading window on the first casing, first casing bottom fixed connection supporting disk, the circular opening internal fixation on the supporting disk with the fixed cylinder of supporting disk flushing, the inner circle of first bearing is fixed connection respectively to the upper portion and the lower part of the outer wall of fixed cylinder, the outer lane fixed connection upper drum of first bearing, the bottom threaded connection lower drum of upper drum, the upper portion and the lower part fixed connection second bearing's of the inner wall of fixed cylinder outer lane, pass the inner tube axle in the fixed cylinder, the top and the torsional spring subassembly fixed connection of inner tube axle, the bottom is connected with the inner tube, the inner tube axle is connected with the inner circle of second bearing; the bottom fixed connection second casing of first casing, installation motor in the second casing, the drive wheel of motor passes through the hold-in range with the top of fixed section of thick bamboo and is connected. The utility model has the characteristics of convenient operation, fault rate are low, easy maintenance.

Description

Electric six-speed rotary viscometer

Technical Field

The utility model relates to an electronic six-speed rotational viscometer belongs to oil equipment technical field.

Background

A six-speed rotational viscometer is an instrument that measures the rheological parameters of a drilling fluid (or other fluid). The method is characterized in that a rheological curve is drawn according to multipoint measurement values of a six-speed rotational viscometer, the flow pattern of liquid in the flow process is determined, a proper calculation formula is selected, the non-Newtonian fluid is accurately measured, the method is used for research and analysis of rheological parameters of the drilling fluid on site, and meanwhile, a series of technical parameters such as action, static shear force, fluidity index and consistency coefficient can be measured.

Although the existing six-speed rotational viscometer can also realize relatively accurate measurement of parameters, the operation is complicated, and the stability of an internal structure is relatively weak.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric six-speed rotational viscometer comprises a first shell and a second shell, wherein a torsion spring assembly is arranged in the first shell, the top of the torsion spring assembly penetrates through the first shell, the top of the torsion spring assembly is connected with a shield through threads, the outer side of the torsion spring assembly is fixedly connected with a dial, a reading window is arranged on the first shell, the bottom of the first shell is fixedly connected with a supporting disk, a round opening is arranged on the supporting disk, a fixed cylinder which is flush with the supporting disk is fixed in the round opening, the upper part and the lower part of the outer wall of the fixed cylinder are respectively and fixedly connected with inner rings of a first bearing, the outer ring of the first bearing is fixedly connected with an upper rotary cylinder, the bottom of the upper rotary cylinder is in threaded connection with a lower rotary cylinder, the upper part and the lower part of the inner wall of the fixed cylinder are fixedly connected with the outer rings of a second bearing, an inner cylinder shaft penetrates through, the bottom end of the bearing is connected with the inner cylinder, and the inner cylinder shaft is connected with the inner ring of the second bearing; the bottom fixed connection second casing of first casing, install the motor in the second casing, the transmission shaft of motor passes second casing and first casing setting, and the end is equipped with the drive wheel, the drive wheel passes through the hold-in range with the top of fixed section of thick bamboo and is connected.

Preferably, the bottom end of the inner cylinder shaft is of a conical structure, and a conical insertion hole matched with the conical structure is reserved at the top end of the inner cylinder.

Preferably, the bottom fixed connection bracing piece of second casing, the bottom fixed connection base of bracing piece, still be equipped with the regulation pole between second casing and the base, fixed cover is established to the cover on the regulation pole, the bottom fixed connection tray of fixed cover, lay the mud cup on the tray, fixed cover is equipped with fixing bolt.

Furthermore, a limiting ring is arranged on the adjusting rod.

Further, the inner cylinder and the lower rotary cylinder are concentric cylinders; the mud cup is placed under the lower rotating cylinder, and the mud cup and the lower rotating cylinder are coaxial.

Preferably, the upper part of the lower rotary drum is provided with scale marks and a plurality of through holes, and the through holes are positioned below the scale marks.

Furthermore, the number of the through holes is three, and the through holes are uniformly distributed on the same plane.

Furthermore, a power switch is arranged on the side surface of the base.

Furthermore, the front of the base is an inclined plane, the angle between the inclined plane and the horizontal plane is 45-75 degrees, a speed regulation panel is installed on the front of the base, and six speed regulation buttons are arranged on the speed regulation panel.

Preferably, the inner cylinder shaft is sleeved with a bearing protection pad, and the bearing protection pad is positioned between the fixed cylinder and the lower cylinder.

The utility model discloses a step motor, hold-in range, key-type speed governing have convenient operation, elegant appearance, fault rate are low, easy maintenance characteristics such as.

Drawings

Fig. 1 is a schematic structural diagram of a multi-connected frame type dehydration instrument of the present invention.

Fig. 2 is a schematic structural diagram of the debugging panel of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. a torsion spring assembly; 4. a shield; 5. a dial scale; 6. a reading window; 7. a support disc; 8. a fixed cylinder; 9. a first bearing; 10. an upper rotating drum; 11. a lower drum; 12. a second bearing; 13. an inner cylindrical shaft; 14. an inner barrel; 15. a motor; 16. a driving wheel; 17. a synchronous belt; 18. a support bar; 19. a base; 20. adjusting a rod; 21. fixing a sleeve; 22. a tray; 23. a mud cup; 24. fixing the bolt; 25. a limiting ring; 26. a power switch; 27. a speed regulation panel; 28. a speed regulating button; 29. bearing protection pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an electric six-speed rotational viscometer comprises a first housing 1 and a second housing 2, wherein a torsion spring assembly 3 is installed in the first housing 1, the top of the torsion spring assembly 3 passes through the first housing 1, the top of the torsion spring assembly 3 is in threaded connection with a shield 4, the shield 4 is opened to facilitate verification of the torsion spring assembly 3, the outer side of the torsion spring assembly 3 is fixedly connected with a dial 5, the first housing 1 is provided with a reading window 6, the bottom of the first housing 1 is fixedly connected with a support plate 7, the support plate 7 is provided with a circular opening, a fixed cylinder 8 which is flush with the support plate 7 is fixedly arranged in the circular opening, the upper part and the lower part of the outer wall of the fixed cylinder 8 are respectively and fixedly connected with an inner ring of a first bearing 9, the outer ring of the first bearing 9 is fixedly connected with a rotary drum 10, the bottom of the upper rotary drum 10 is, the upper part and the lower part of the inner wall of the fixed cylinder 8 are fixedly connected with the outer ring of the second bearing 12, an inner cylinder shaft 13 penetrates through the fixed cylinder 8, the top end of the inner cylinder shaft 13 is fixedly connected with the torsion spring assembly 3, the bottom end of the inner cylinder shaft 13 is connected with an inner cylinder 14, and the inner cylinder shaft 13 is connected with the inner ring of the second bearing 12; the bottom fixed connection second casing 2 of first casing 1, install motor 15 in the second casing 2, the transmission shaft of motor 15 passes second casing 2 and first casing 1 setting, and the end is equipped with drive wheel 16, drive wheel 16 passes through hold-in range 17 with the top of fixed section of thick bamboo 8 and is connected. The connection between the fixed cylinder 8 and the support plate 7 makes the internal structure of the first housing 1 more firm and reliable. The bearing protection pad 29 is sleeved on the inner cylinder shaft 13, and the bearing protection pad 29 is positioned between the fixed cylinder 8 and the lower cylinder 11.

The bottom fixed connection bracing piece 18 of second casing 2, the bottom fixed connection base 19 of bracing piece 18, still be equipped with between second casing 2 and the base 19 and adjust pole 20, adjust the pole 20 and go up the cover and establish fixed cover 21, the bottom fixed connection tray 22 of fixed cover 21, lay mud cup 23 on the tray 22, be equipped with fixing bolt 24 on the fixed cover 21, fixing bolt 24 can be the star handle. The height of the tray 22 is adjusted by lifting the fixing sleeve 21.

The bottom of inner tube axle 13 is the toper structure, the top of inner tube 14 is left to be equipped with toper structure matched with toper jack, can further promote the steadiness of connecting through the grafting mode of toper structure. The inner cylinder 14 and the lower rotary cylinder 11 are concentric cylinders; the mud cup 23 is arranged right below the lower rotary drum 11, and the mud cup 23 and the lower rotary drum 11 are coaxial.

The upper part of the lower rotary drum 11 is provided with scale marks and a plurality of through holes, and the through holes are positioned below the scale marks. The three through holes are uniformly distributed on the same plane, so that the slurry in the slurry cup 23 can permeate into the annular gap between the inner cylinder 14 and the lower rotary cylinder 11. The adjusting rod 20 is provided with a limiting ring for limiting the fixed sleeve 21 to rise to a proper height, so that the liquid level in the slurry cup 23 can reach the scale mark of the lower rotary drum 11.

The side of base 19 is equipped with switch 26, the front of base 19 is the inclined plane, and is 45-75 with the angle of horizontal plane, speed governing panel 27 is installed on the front of base 19, be equipped with six speed governing button 28 on the speed governing panel 27, this inclination makes things convenient for personnel to operate. And a start-stop indicator lamp is arranged above each speed regulating button 28. The six speeds are respectively 3, 6, 100, 200, 300 and 600 r/min.

The utility model discloses a rotary-type instrument with motor 15 as power, motor 15 are step motor. The liquid to be measured is in the annular space between the two concentric cylinders. The upper rotating drum 10 is driven by constant speed rotation through variable speed transmission to drive the lower rotating drum 11 to rotate simultaneously, the lower rotating drum 11 acts on the inner drum 14 through the measured liquid to generate a torque, so that the inner drum connected with the torsion spring component 3 rotates by a corresponding angle, the size of the rotating angle is in direct proportion to the viscosity of the liquid according to Newton's law, and then the measurement of the viscosity of the liquid is converted into the measurement of the rotating angle of the inner drum 14, the meter pointer reading of the dial 5 is reflected, and the viscosity and the shear stress of the liquid are obtained through calculation.

The utility model discloses an experimental operation process roughly as follows:

1. and taking out the instrument, and checking whether each rotating part, the electric appliance and the power plug are safe and reliable.

2. The lower drum 11 is rotated to the left, and the lower drum 11 is removed. The inner barrel 14 is rotated counterclockwise and pushed upward to engage the tapered end of the inner barrel shaft 13. The movement is gentle to avoid deformation and damage of the inner barrel shaft 13 of the instrument. Then, the lower drum 11 is rotated to the right, and the lower drum 11 is mounted.

3. The power supply is switched on (220V/50Hz), the power switch is switched on, the instrument enters a standby state, and the corresponding speed regulating button 28 can be selected according to the required working rotating speed. Each speed button 28 has both run (LED lamp "on") and pause (LED lamp "off") functions, and can be used as desired.

4. The instrument is rotated at 300r/min and 600r/min, the lower rotary drum 11 is observed not to swing, and if the lower rotary drum 11 swings, the machine is stopped and the lower rotary drum 11 is reinstalled.

5. And rotating at 300r/min, checking whether the zero position of the pointer of the dial 5 swings, and checking the idle zero position of the dial 5 if the pointer is not at the zero position.

6. The freshly stirred drilling fluid is poured into the mud cup 23 to the level of the score (350ml) and immediately placed on the tray 22, and the tray 22 is raised to bring the level of the inner cup to the level of the score of the lower drum 11.

7. The measurement is carried out by rapidly adjusting from high speed to low speed, and the readings under the ladders at all speeds are respectively recorded after the readings of the dial 5 are stable. The thixotropic fluid is cut for a certain time under a fixed speed gradient, the minimum reading is taken as the standard, and a method of quickly changing to low speed for reading after quick stirring can also be adopted.

8. The viscosity, shear stress and other tests and data calculations of the samples were calculated according to the existing calculation methods.

9. After the test is completed, the power is turned off, the tray 22 is lowered, and the mud cup 23 is removed. Care was taken not to allow the sample to spill over the bearing protection pads 29 to avoid corrosion of the bearing, affecting the measurement data.

10. The lower rotor 11 is removed by gentle left-hand rotation and the inner cylinder 14 is rotated counterclockwise and forced vertically downward, removing the inner cylinder 14.

11. The lower drum 11 is cleaned and wiped dry, the lower drum 11 is mounted on the instrument, the tapered bore is blocked with a finger when cleaning the inner drum to prevent dirt and liquid from entering the chamber, and the inner drum 14 is placed separately in a fixed position in the chamber.

12. The torsion spring assembly 3 is periodically verified.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An electronic six speed rotational viscometer which characterized in that: including first casing (1) and second casing (2), installation torsional spring subassembly (3) in first casing (1), first casing (1) setting is passed at the top of torsional spring subassembly (3), top threaded connection guard shield (4) of torsional spring subassembly (3), torsional spring subassembly (3) outside fixed connection calibrated scale (5), be equipped with reading window (6) on first casing (1), first casing (1) bottom fixed connection supporting disk (7), be equipped with circular opening on supporting disk (7), fixed cylinder (8) that the circular opening internal fixation flushes with supporting disk (7), the inner circle of the upper portion of the outer wall of fixed cylinder (8) and lower part difference fixed connection first bearing (9), outer lane fixed connection upper drum (10) of first bearing (9), rotary drum (11) under the bottom threaded connection of upper drum (10), the upper part and the lower part of the inner wall of the fixed cylinder (8) are fixedly connected with an outer ring of a second bearing (12), an inner cylinder shaft (13) penetrates through the fixed cylinder (8), the top end of the inner cylinder shaft (13) is fixedly connected with the torsion spring assembly (3), the bottom end of the inner cylinder shaft is connected with an inner cylinder (14), and the inner cylinder shaft (13) is connected with an inner ring of the second bearing (12); the bottom fixed connection second casing (2) of first casing (1), install motor (15) in second casing (2), the driving shaft of motor (15) passes second casing (2) and first casing (1) setting, and the end is equipped with drive wheel (16), hold-in range (17) are passed through at the top of drive wheel (16) and a fixed section of thick bamboo (8) and are connected.

2. An electric six-speed rotational viscometer according to claim 1, characterized in that: the bottom end of the inner cylinder shaft (13) is of a conical structure, and a conical insertion hole matched with the conical structure is reserved at the top end of the inner cylinder (14).

3. An electric six-speed rotational viscometer according to claim 1, characterized in that: the bottom fixed connection bracing piece (18) of second casing (2), bottom fixed connection base (19) of bracing piece (18), still be equipped with between second casing (2) and base (19) and adjust pole (20), it establishes fixed cover (21) to adjust the cover on pole (20), bottom fixed connection tray (22) of fixed cover (21), lay mud cup (23) on tray (22), be equipped with fixing bolt (24) on fixed cover (21).

4. An electric six-speed rotational viscometer according to claim 3 in which: the adjusting rod (20) is provided with a limiting ring.

5. An electric six-speed rotational viscometer according to claim 3 in which: the inner cylinder (14) and the lower rotary drum (11) are concentric cylinders; the mud cup (23) is arranged right below the lower rotating cylinder (11), and the mud cup (23) and the lower rotating cylinder (11) are coaxial.

6. An electric six-speed rotational viscometer according to claim 1, characterized in that: the upper part of the lower rotary drum (11) is provided with scale marks and a plurality of through holes, and the through holes are positioned below the scale marks.

7. An electric six-speed rotational viscometer according to claim 6, characterized in that: the number of the through holes is three, and the through holes are uniformly distributed on the same plane.

8. An electric six-speed rotational viscometer according to claim 3 in which: and a power switch (26) is arranged on the side surface of the base (19).

9. An electric six-speed rotational viscometer according to claim 3 in which: the front of base (19) is the inclined plane, and is 45-75 with the angle of horizontal plane, the front installation speed governing panel (27) of base (19), be equipped with six speed governing button (28) on speed governing panel (27).

10. An electric six-speed rotational viscometer according to claim 1, characterized in that: the bearing protection pad (29) is sleeved on the inner cylinder shaft (13), and the bearing protection pad (29) is located between the fixed cylinder (8) and the lower rotary cylinder (11).