Six-speed rotary viscometer capable of quickly fixing drilling fluid cup

Abstract

The utility model discloses a six-speed rotary viscometer capable of quickly fixing a drilling fluid cup, which relates to the technical field of rotary viscometers, effectively solves the technical problems that the existing drilling fluid cup is inconvenient to fix and cannot be quickly fixed, and comprises a rotary viscometer body, the rotary viscometer body comprises a base, three support columns are fixed on the base, and the support columns are fixed on the base. A driving device is fixed to the upper ends of the three supporting columns, a tray is adjustably installed on the three supporting columns, and the drilling fluid cup installing device is characterized in that an outer sleeve is arranged on the tray, and a drilling fluid cup is placed in the outer sleeve. According to the drilling fluid cup fixing device, the drilling fluid cup can be fixed more stably by adding the clamping piece in the outer sleeve and adding the clamping groove in the bottom of the drilling fluid cup, and meanwhile rapid fixing of the drilling fluid cup is not affected.

Description

Technical Field

[0001] This utility model relates to the field of rotational viscometer technology, specifically a six-speed rotational viscometer for quickly fixing drilling fluid cups. Background Technology

[0002] The six-speed rotational viscometer is an instrument for measuring the rheological parameters of drilling fluids. Its working principle is mainly based on the use of an electric motor. During measurement, the drilling fluid sample is injected into the annular space between the rotor and the outer rotating cylinder. The motor drives the rotor connected to the outer rotating cylinder to rotate at a certain speed. The rotation of the outer rotating cylinder in the sample will apply a certain torque to the rotor. The rotation is reflected on the scale or display screen by the reaction force of the torsion spring. The final viscosity value is calculated by formula.

[0003] When using it, first connect the power supply, then install the rotor and the outer drum, fix the drilling fluid cup containing drilling fluid on the tray, and then start the test.

[0004] However, the structural design of the fixed drilling fluid cup is not very convenient. Currently, there are three fixing holes with fixed positions on the tray, and three fixing posts corresponding to the fixing holes are fixed at the bottom of the drilling fluid cup. The cup is fixed by inserting the three fixing posts into the three fixing holes.

[0005] In practical use, due to the relatively small size of the six-speed rotational viscometer, it is placed on a test bench. When fixing the drilling fluid cup, the three fixing posts and three fixing holes are too small, making it difficult to quickly align the posts with the holes. Therefore, each time, the drilling fluid cup must be lifted and raised to eye level to roughly determine the position of the fixing posts, then lowered back onto the tray. This again obscures the view of the fixing holes, and since the position of the posts is only roughly known, the operator must bend down to check the alignment before rotating the cup to insert the posts into the holes. This makes fixing the drilling fluid cup inconvenient, hindering accurate and quick installation, increasing the risk of errors, and because drilling fluid viscosity changes over time, improper installation slows down testing, leading to inaccurate results and ultimately affecting product performance evaluation.

[0006] Based on this, the present invention provides a six-speed rotary viscometer for quickly fixing drilling fluid cups. Utility Model Content

[0007] In view of the above situation and to overcome the defects of the prior art, this utility model provides a six-speed rotary viscometer for quickly fixing drilling fluid cups. This utility model has a novel structure and ingenious design, and effectively solves the technical problems of inconvenient and slow fixing of existing drilling fluid cups.

[0008] A six-speed rotational viscometer for quickly fixing a drilling fluid cup includes a rotational viscometer body. The rotational viscometer body includes a base, three support columns fixed on the base, a drive device fixed at the upper end of the three support columns, and a tray adjustablely mounted on the three support columns. The feature is that an outer sleeve is provided on the tray, and the drilling fluid cup is placed inside the outer sleeve.

[0009] Preferably, the outer sleeve is welded or bolted to the tray.

[0010] Preferably, the tray has multiple fixing holes, and the bottom of the outer sleeve is fixed with multiple fixing posts that mate with the fixing holes. The outer sleeve is disassembled and inserted into the fixing holes via the fixing posts.

[0011] Preferably, an annular seat is fixed at the bottom of the outer sleeve, and a transverse shaft is fixed in the middle of the annular seat. Both ends of the transverse shaft are connected to clamping members by compression springs. A sliding rod penetrating the outer sleeve is fixed on the side of the clamping member, and a sliding hole matching the sliding rod is provided on the outer sleeve.

[0012] The lower end of the drilling fluid cup is integrally fixed with a cup column, and a clamping groove is opened at the bottom of the cup column. The clamping component can be placed in the clamping groove to clamp the drilling fluid cup.

[0013] Preferably, the clamping member includes a sliding sleeve that slides on a transverse shaft and is connected to a compression spring, and a clamping block with a triangular end face is integrally fixed above the sliding sleeve.

[0014] Preferably, the end of the slide bar is fixed with a rod head.

[0015] Preferably, the tray has adjustment holes that match the three support columns, and an adjustment bolt is installed at one of the adjustment holes.

[0016] Preferably, the base has a built-in control chip, a control switch and a power plug are installed on the side of the base, and a display screen and control buttons are provided on the front side of the base.

[0017] The present invention has the following technical effects.

[0018] 1. By adding an outer sleeve structure, this utility model allows the drilling fluid cup to be directly placed into the outer sleeve during installation and positioning, making the operation quick and convenient, and enabling rapid fixation to avoid affecting the test results.

[0019] 2. This utility model provides two types of outer sleeves, a fixed type and a detachable type, to meet the needs of different situations.

[0020] 3. This utility model can fix the drilling fluid cup more securely by adding a clamping component inside the outer sleeve and a clamping groove at the bottom of the drilling fluid cup, without affecting the rapid fixing of the drilling fluid cup. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is the overall three-dimensional schematic diagram of the present utility model.

[0023] Figure 2 This is a three-dimensional schematic diagram of the rotary viscometer body of this utility model.

[0024] Figure 3 This is a cross-sectional schematic diagram of the outer sleeve, drilling fluid cup, and tray of this utility model.

[0025] Figure 4 This is a top view of the outer sleeve and drilling fluid cup of this utility model.

[0026] Figure 5 This is an exploded three-dimensional schematic diagram of the drilling fluid cup, outer sleeve, clamping component, and tray of this utility model.

[0027] Figure label:

[0028] 1-Tray; 2-Outer sleeve; 3-Drilling fluid cup; 4-Fixing hole; 5-Fixing column; 6-Annular seat; 7-Horizontal shaft; 8-Compression spring; 9-Slide rod; 10-Slide hole; 11-Cup column; 12-Clamping groove; 13-Slide sleeve; 14-Clamping block; 15-Rod head; 16-Base; 17-Support column; 18-Drive device; 19-Adjusting hole; 20-Adjusting bolt; 21-Control switch; 22-Power plug; 23-Display screen; 24-Control button. Detailed Implementation

[0029] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 5 The detailed description of the embodiments will make this clear. All references to the following embodiments are made with reference to the accompanying drawings.

[0030] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0031] This utility model is a six-speed rotary viscometer for quickly fixing drilling fluid cups. It mainly improves the drilling fluid cup fixing device. However, the six-speed rotary viscometer itself is existing technology, and its normal driving, connection and other working principles have not been improved.

[0032] As one embodiment, including the existing rotational viscometer body, the rotational viscometer body includes a base 16, three support columns 17 are fixed on the base 16, and a drive device 18 is fixed on the upper end of the three support columns 17. The drive device mainly includes a drive motor, the end of the drive motor is connected to the rotor and the outer rotating cylinder, and a tray 1 is adjusted and installed on the three support columns 17. The main improvement is that an outer sleeve 2 is provided on the tray 1. The inner cavity of the outer sleeve 2 is hollow and the upper end is open. A drilling fluid cup 3 is placed inside the outer sleeve 2, and the drilling fluid cup 3 contains the mud to be tested.

[0033] During testing, simply insert the drilling fluid cup 3 directly into the outer sleeve 2; there is no need to observe the positions of the original three fixing columns 5 and three fixing holes 4, making placement and fixing faster and more convenient.

[0034] In this embodiment, the outer sleeve 2 is disposed on the tray 1, and there are two more specific embodiments:

[0035] 1. The outer sleeve 2 is fixed to the tray 1 by welding or bolt connection.

[0036] Ideally, the outer diameter of the drilling fluid cup 3 should be slightly smaller than the inner diameter of the outer sleeve 2, so that the drilling fluid cup 3 can be placed quickly and avoids large shaking when the drilling fluid cup 3 is stirred.

[0037] 2. The outer sleeve 2 is detachably and securely fixed to the tray 1, specifically:

[0038] Retain the original three fixing holes 4 on the tray 1, and then fix three fixing posts 5 that cooperate with the three fixing holes 4 at the bottom of the outer sleeve 2. Before the test, insert the three fixing posts 5 on the outer sleeve 2 into the three fixing holes 4 on the tray 1 to fix the outer sleeve 2 in advance, and then prepare for drilling fluid test.

[0039] When drilling fluid is tested, the drilling fluid needs to be rotated by the rotor and the outer cylinder, or when the distance between the drilling fluid cup 3 and the outer sleeve 2 is large, in order to ensure the stability of the drilling fluid cup 3 during testing, an annular seat 6 is fixed at the bottom inside the outer sleeve 2. The annular seat 6 is equivalent to an annular sleeve with a through hole in the middle. A transverse shaft 7 is fixed in the middle of the annular seat 6. Compression springs 8 are fixed at both ends of the transverse shaft 7. The other end of the compression spring 8 is connected to a clamping member that slides on the transverse shaft 7. A sliding rod 9 is fixed on one side of the clamping member. The other end of the sliding rod 9 passes through the outer sleeve 2. Correspondingly, a sliding hole 10 is opened on the outer sleeve 2 for the sliding rod 9 to pass through.

[0040] A cup column 11 is integrally extended and fixed at the lower end of the drilling fluid cup 3, and an annular clamping groove 12 is provided on the bottom outer side of the cup column 11.

[0041] More specifically, the clamping element includes a sliding sleeve 13 that slides on the transverse shaft 7 and is connected to the compression spring 8. A clamping block 14 with a triangular cross-section is fixed above the sliding sleeve 13, with the inclined surface of the triangle facing outward. In the initial position, the diameter of the clamping groove 12 is smaller than the inner diameter of the annular seat 6, so that the outer wall of the clamping groove 12 can press down to contact the triangular clamping block 14.

[0042] To facilitate the sliding of the slide bar 9, a rod head 15 is fixed to the outer end of the slide bar 9, which is convenient to grip with fingers.

[0043] As an example, the tray 1 can be height adjusted during use. Specifically, the tray 1 has three adjustment holes 19 corresponding to the positions of the three support columns 17. One of the adjustment holes 19 is fixed with an adjustment seat, and an adjustment bolt 20 is installed at the adjustment seat. By rotating the adjustment bolt 20, the support column 17 can be locked, thereby fixing the position of the tray 1.

[0044] As an example, the base 16 has a built-in control chip, and a control switch 21 and an external power plug 22 are installed on the side of the base 16. The front end of the base 16 is an inclined surface, on which a display screen 23 for displaying results is provided. Control buttons 24 are provided at the display screen 23. The control buttons 24 include buttons for six-speed control and start / stop buttons.

[0045] When this utility model is used as a whole:

[0046] This invention is applicable to the research and analysis of drilling fluid rheological parameters. The power supply is AC220V±5% 50Hz, the motor power is 100W, the motor speed is 800r / min, and the six speed ranges are 3, 6, 100, 200, 300, and 600r / min. The measurement accuracy is 1-25mPa.±1mPa.s (Newtonian fluid) and above 25mPa.s ±4% (Newtonian fluid). The weight is 12kg.

[0047] 1. Remove the rotational viscometer body and check whether all rotating parts, electrical components, and power plug are safe and reliable.

[0048] 2. Rotate and install the stator, then rotate and install the outer cylinder.

[0049] 3. Fix the outer sleeve 2 on the tray 1 in advance, put the drilling fluid into the drilling fluid cup 3, and then insert the drilling fluid cup 3 directly into the outer sleeve 2. The bottom of the drilling fluid cup 3 contacts the triangular clamping block 14. Continue to move downwards and push the two clamping blocks 14 inwards. When the bottom of the drilling fluid cup 3 contacts the annular seat 6, the two clamping blocks 14 are placed in the clamping groove 12 under the action of the compression spring 8, and clamp the inner wall of the clamping groove 12 at the same time.

[0050] 4. Adjust the tray 1 to move upwards until the fluid level in the drilling fluid cup 3 on the tray 1 reaches the outer rotating cylinder mark and stops. Rotate the adjusting bolt 20 to tighten the support column 17, thereby fixing the tray 1.

[0051] 5. Quickly adjust from high speed to low speed for measurement. After the reading on display screen 23 stabilizes, record the readings at each speed. For thixotropic fluids, shear for a certain period of time at a fixed speed and take the minimum reading as the standard. Alternatively, you can quickly switch to low speed after rapid stirring to take the reading.

[0052] 6. The viscosity, shear stress, and other tests and data calculations of the samples shall be carried out in accordance with the “Data Testing and Calculation” section.

[0053] 7. After the test is complete, turn off the power, loosen the tray handwheel, and remove the sample cup.

[0054] The present invention has the following technical effects.

[0055] 1. By adding an outer sleeve structure, this utility model allows the drilling fluid cup to be directly placed into the outer sleeve during installation and positioning, making the operation quick and convenient, and enabling rapid fixation to avoid affecting the test results.

[0056] 2. This utility model provides two types of outer sleeves, a fixed type and a detachable type, to meet the needs of different situations.

[0057] 3. This utility model can fix the drilling fluid cup more securely by adding a clamping component inside the outer sleeve and a clamping groove at the bottom of the drilling fluid cup, without affecting the rapid fixing of the drilling fluid cup.

[0058] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions to the present invention will be obvious to those skilled in the art after reading the above content. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A six-speed rotational viscometer for quickly fixing drilling fluid cups, comprising a rotational viscometer body, the rotational viscometer body including a base (16), three support columns (17) fixed on the base (16), a drive device (18) fixed at the upper end of the three support columns (17), and a tray (1) flexibly mounted on the three support columns (17), characterized in that, The tray (1) is provided with an outer sleeve (2), and a drilling fluid cup (3) is placed inside the outer sleeve (2).

2. The six-speed rotary viscometer for quickly fixing drilling fluid cups according to claim 1, characterized in that, The outer sleeve (2) is welded or bolted to the tray (1).

3. A six-speed rotary viscometer for quickly fixing a drilling fluid cup according to claim 1, characterized in that, The tray (1) has multiple fixing holes (4), and the bottom of the outer sleeve (2) is fixed with multiple fixing posts (5) that cooperate with the fixing holes (4). The outer sleeve (2) is disassembled and inserted into the fixing holes (4) through the fixing posts (5).

4. A six-speed rotary viscometer for rapidly fixing a drilling fluid cup according to claim 2 or 3, characterized in that, An annular seat (6) is fixed at the bottom of the inner sleeve (2). A transverse shaft (7) is fixed in the middle of the annular seat (6). Both ends of the transverse shaft (7) are connected to clamping members by compression springs (8). A sliding rod (9) that passes through the outer sleeve (2) is fixed on the side of the clamping member. A sliding hole (10) that slides and matches the sliding rod (9) is opened on the outer sleeve (2). The bottom of the drilling fluid cup (3) is integrally fixed with a cup column (11), and a clamping groove (12) is provided at the bottom of the cup column (11). The clamping member can be placed in the clamping groove (12) to clamp the drilling fluid cup (3).

5. A six-speed rotary viscometer for quickly fixing a drilling fluid cup according to claim 4, characterized in that, The clamping element includes a sliding sleeve (13) that slides on the transverse shaft (7) and is connected to the compression spring (8), and a clamping block (14) with a triangular end face is integrally fixed above the sliding sleeve (13).

6. A six-speed rotary viscometer for quickly fixing a drilling fluid cup according to claim 5, characterized in that, The end of the slide bar (9) is fixed with a rod head (15).

7. A six-speed rotary viscometer for quickly fixing a drilling fluid cup according to claim 1, characterized in that, The tray (1) has adjustment holes (19) that match the three support columns (17), and an adjustment bolt (20) is installed at one of the adjustment holes (19).

8. A six-speed rotary viscometer for quickly fixing a drilling fluid cup according to claim 1, characterized in that, The base (16) has a built-in control chip, and a control switch (21) and a power plug (22) are installed on the side of the base (16). A display screen (23) and control buttons (24) are provided on the front surface of the base (16).

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