CN215374970U

CN215374970U - Thickening instrument

Info

Publication number: CN215374970U
Application number: CN202121675415.0U
Authority: CN
Inventors: 魏凌然; 高义博
Original assignee: Daqing Hecha Technology Co ltd
Current assignee: Daqing Hecha Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-31
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a thickening instrument which comprises a box body and a control platform, wherein the control platform is fixedly connected with the box body, a cable is arranged on the upper side wall of the control platform, one end, close to the box body, of the cable is fixedly connected with a fixing cover through a plurality of connecting rods, one end, far away from the cable, of the fixing cover is rotatably connected with a cement slurry cup, a bearing plate and a motor are arranged in the box body, the bearing plate is rotatably connected with a rotary drum, and an output shaft of the motor penetrates through the bearing plate and is fixedly connected with the rotary drum. The utility model has the advantages that the magnetorheological fluid can be changed into solid to fix the cement cup and the rotary drum together by utilizing the property that the state of the magnetorheological fluid can be changed in a magnetic field when the cement cup is required to be fixed, so that the blade can measure the consistency of the oil well cement in the cement cup, and the magnetorheological fluid can be changed into liquid when the cement cup is required to be taken out, thereby the cement cup is easy to take out and the cement cup is convenient to clean.

Description

Thickening instrument

Technical Field

The utility model relates to the technical field of material mechanical property detection, in particular to a thickening instrument.

Background

The oil well cement used in cement cementing operation has very strict requirements on physical and mechanical performance indexes such as thickening time and the like. In the national standards for oil well cement, it is also well established that a pressure-increasing densitometer is used to measure the cement thickening time.

In the prior art, a cement paste cup of the thickening instrument is generally directly connected with an output shaft of a driving motor, so that the cement paste cup is not easy to take down, oil well cement after thickening is difficult to clean, cement residues are easy to exist in the cement paste cup, and the subsequent detection data of the oil well cement are influenced.

To this end, we propose densitometers to solve the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a cement cup is not easy to take down and the like in the prior art, and provides a thickening instrument.

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

the thickening instrument comprises a box body and a control platform, wherein the control platform is fixedly connected with the box body, a cable is arranged on the upper side wall of the control platform, one end of the cable close to the box body is fixedly connected with a fixed cover through a plurality of connecting rods, one end of the fixed cover far away from the cable is rotatably connected with a cement cup, a bearing plate and a motor are arranged in the box body, a rotary drum is rotatably connected on the bearing plate, an output shaft of the motor penetrates through the bearing plate and is fixedly connected with the rotary drum, electromagnets are symmetrically arranged on the side wall of the rotary drum, an opening matched with the cement paste cup is arranged on the part of the upper side wall of the box body close to the rotary drum, the through opening of the cement cup is connected with the rotary drum in a clamping way, magnetorheological fluid is arranged in a space formed by the inner side wall of the rotary drum and the cement cup, the upper side wall of the rotary drum is fixedly connected with a sealing ring, and the side wall of the fixed cover close to the cement paste cup is fixedly connected with a blade.

Preferably, the outer side wall of the rotating drum is rotatably connected with a sealing cavity, the sealing cavity is communicated with the rotating drum, and magnetorheological fluid is arranged in the sealing cavity.

Preferably, a piston cylinder is fixedly connected to the bearing plate, the piston cylinder is connected with the sealing cavity through a connecting cylinder, a piston plate is connected to the piston cylinder in a sliding sealing mode, and magnetorheological fluid is arranged in the piston cylinder.

Preferably, the side wall of the piston plate is fixedly connected with a threaded rod, and the part of the piston cylinder, which is close to the threaded rod, is rotatably connected with a threaded cylinder matched with the threaded rod.

Preferably, the outer side wall of the threaded cylinder is fixedly connected with a first bevel gear, the inner wall of the upper side of the box body is rotatably connected with a rotating rod, and the part of the rotating rod, which is close to the first bevel gear, is fixedly connected with a second bevel gear meshed with the first bevel gear.

Compared with the prior art, the utility model has the beneficial effects that:

1. by utilizing the property that the state of the magnetorheological fluid can be changed in a magnetic field, when the cement slurry cup is required to be fixed, the magnetorheological fluid is changed into a solid to fix the cement slurry cup and the rotary drum together, so that the blade can measure the consistency of oil well cement in the cement slurry cup, and when the cement slurry cup is required to be taken out, the magnetorheological fluid can be changed into a liquid, so that the cement slurry cup can be taken out easily, and the cement slurry cup is convenient to clean;

2. the piston cylinder can control the amount of the magnetorheological fluid in the rotary cylinder, the magnetorheological fluid is prevented from being adhered to a cement cup in a large amount when the cement cup is taken out, the loss of the cement cup is reduced, and the telescopic amount of the piston plate can be conveniently controlled by a worker through the threaded cylinder and the threaded rod so as to control the magnetorheological fluid.

Drawings

FIG. 1 is a schematic structural diagram of a densitometer according to the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1.

In the figure: the device comprises a control platform 1, a box body 2, a cable 3, a connecting rod 4, a fixed cover 5, a cement slurry cup 6, a bearing plate 7, a motor 8, an electromagnet 9, a blade 10, magnetorheological fluid 11, a sealed cavity 12, a rotating cylinder 13, a piston cylinder 14, a piston plate 15, a threaded rod 16, a threaded cylinder 17, a bevel gear I18, a bevel gear II 19 and a rotating rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, the thickening instrument comprises a box body 2 and a control platform 1, the control platform 1 is fixedly connected with the box body 2, a mooring rope 3 is arranged on the upper side wall of the control platform 1, one end of the mooring rope 3, which is close to the box body 2, is fixedly connected with a fixing cover 5 through a plurality of connecting rods 4, one end of the fixing cover 5, which is far away from the mooring rope 3, is rotatably connected with a cement slurry cup 6, a bearing plate 7 and a motor 8 are arranged in the box body 2, a rotary drum 13 is rotatably connected onto the bearing plate 7, an output shaft of the motor 8 penetrates through the bearing plate 7 and is fixedly connected with the rotary drum 13, electromagnets 9 are symmetrically arranged on the side wall of the rotary drum 13, an opening matched with the cement slurry cup 6 is arranged on the part, which is close to the rotary drum 13, of the upper side wall of the box body 2, the opening of the cement slurry cup 6 is connected with the rotary drum 13 in a clamping manner, magnetorheological fluid 11 is arranged in a space formed by the inner side wall of the rotary drum 13 and is fixedly connected with a sealing ring, the fixed cover 5 is close to the sidewall of the cement paste cup 6 and is fixedly connected with a blade 10, the property that the state of the magnetorheological fluid 11 can be changed in a magnetic field is utilized, when the cement paste cup 6 is required to be fixed, the magnetorheological fluid 11 is changed into a solid to fix the cement paste cup 6 and the rotary drum 13 together, so that the blade 10 can measure the consistency of oil well cement in the cement paste cup 6, when the cement paste cup 6 is required to be taken out, the magnetorheological fluid 11 can be changed into a liquid, the cement paste cup 6 can be easily taken out, and the cement paste cup 6 can be conveniently cleaned;

the outer side wall of the rotary drum 13 is rotatably connected with a sealing cavity 12, the sealing cavity 12 is communicated with the rotary drum 13, magnetorheological fluid 11 is arranged in the sealing cavity 12, a piston cylinder 14 is fixedly connected on the bearing plate 7, the piston cylinder 14 is connected with the sealing cavity 12 in a cylinder mode, a piston plate 15 is slidably and hermetically connected in the piston cylinder 14, magnetorheological fluid 11 is arranged in the piston cylinder 14, a threaded rod 16 is fixedly connected on the side wall of the piston plate 15, a part of the piston cylinder 14, which is close to the threaded rod 16, is rotatably connected with a threaded cylinder 17 matched with the threaded rod 16, a bevel gear I18 is fixedly connected on the outer side wall of the threaded cylinder 17, a rotating rod 20 is rotatably connected on the inner wall of the upper side of the box body 2, a part of the rotating rod 20, which is close to the bevel gear I18, is fixedly connected with a bevel gear II 19 meshed with the bevel gear I18, the amount of the magnetorheological fluid 11 in the rotary drum 13 can be controlled through the piston cylinder 14, when the cement cup 6 is taken out, a large amount of the magnetorheological fluid 11 is prevented from being stuck on the cement cup 6, the loss of the cement paste cup 6 is reduced, and the expansion amount of the piston plate 15 can be conveniently controlled by a worker through the threaded cylinder 17 and the threaded rod 16 so as to control the magnetorheological fluid 11.

When the device is used, the cable 3 is adjusted to enable the cement slurry cup 6 to be clamped with the rotary drum 13, the rotary rod 20 is rotated after clamping is finished, the rotary rod 20 drives the bevel gear I18 to rotate through the bevel gear II 19, the bevel gear I18 drives the screw cylinder 17 to rotate, the inner wall of the piston cylinder 14 can be set to be in a polygonal structure, therefore, the screw cylinder 17 can drive the threaded rod 16 to move when rotating, the threaded rod 16 drives the piston plate 15 to move, so that the magnetorheological fluid 11 in the piston cylinder 14 is adjusted, the magnetorheological fluid 11 enters and fills the space between the rotary drum 13 and the cement slurry cup 6 through the sealing cavity 12, the electromagnet 9 is started at the moment, the motor 8 is started after the magnetorheological fluid 11 is changed into a solid by magnetism generated by the electromagnet 9, the rotary drum 13 is driven to rotate through the output shaft, the rotary drum 13 drives the cement slurry cup 6 to rotate through the solid magnetorheological fluid 11, and the fixing cover 5 is clamped to be prevented from rotating, therefore, relative rotation occurs between the oil well cement in the cement slurry cup 6 and the blade 10, and the sensor arranged on the blade 10 can detect the thickening time of the oil well cement, which belongs to the prior art, and is not described in detail herein, so that the oil well cement is detected;

after the oil well cement detection is finished, the motor 8 and the electromagnet 9 can be turned off, the magnetorheological fluid 11 is recovered into liquid at the moment, the rotating rod 20 is rotated reversely, and the piston cylinder 14 can take out the cement slurry cup 6 after the magnetorheological fluid 11 in the rotating cylinder 13 is completely absorbed, so that the cement slurry cup 6 is cleaned, and therefore the cleaning of the cement slurry cup 6 is convenient and fast, and the use of related workers is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The thickening instrument comprises a box body (2) and a control platform (1), and is characterized in that the control platform (1) is fixedly connected with the box body (2), a mooring rope (3) is arranged on the upper side wall of the control platform (1), one end, close to the box body (2), of the mooring rope (3) is fixedly connected with a fixed cover (5) through a plurality of connecting rods (4), one end, far away from the mooring rope (3), of the fixed cover (5) is rotatably connected with a cement slurry cup (6), a bearing plate (7) and a motor (8) are arranged in the box body (2), a rotary drum (13) is rotatably connected onto the bearing plate (7), an output shaft of the motor (8) penetrates through the bearing plate (7) and the rotary drum (13) to be fixedly connected, electromagnets (9) are symmetrically arranged on the side wall of the rotary drum (13), and an opening matched with the cement slurry cup (6) is formed in the part, close to the upper side wall of the box body (2) and the rotary drum (13), the cement paste cup is characterized in that the cement paste cup (6) penetrates through the opening to be connected with the rotary drum (13) in a clamping mode, magnetorheological fluid (11) is arranged in a space formed by the inner side wall of the rotary drum (13) and the cement paste cup (6), the upper side wall of the rotary drum (13) is fixedly connected with a sealing ring, and the fixing cover (5) is close to the side wall of the cement paste cup (6) and is fixedly connected with a blade paddle (10).

2. The thickening apparatus according to claim 1, wherein a sealed chamber (12) is rotatably connected to an outer side wall of the rotating drum (13), the sealed chamber (12) is communicated with the rotating drum (13), and the magnetorheological fluid (11) is arranged in the sealed chamber (12).

3. The thickening instrument according to claim 2, wherein a piston cylinder (14) is fixedly connected to the bearing plate (7), the piston cylinder (14) is connected with the sealing cavity (12) in a cylinder mode, a piston plate (15) is connected in the piston cylinder (14) in a sliding and sealing mode, and magnetorheological fluid (11) is arranged in the piston cylinder (14).

4. The thickening apparatus according to claim 3, wherein a threaded rod (16) is fixedly connected to the side wall of the piston plate (15), and a threaded cylinder (17) matched with the threaded rod (16) is rotatably connected to the portion of the piston cylinder (14) close to the threaded rod (16).

5. The thickening instrument according to claim 4, wherein a first bevel gear (18) is fixedly connected to the outer side wall of the threaded cylinder (17), a rotating rod (20) is rotatably connected to the inner side wall of the upper side of the box body (2), and a second bevel gear (19) meshed with the first bevel gear (18) is fixedly connected to the part, close to the first bevel gear (18), of the rotating rod (20).