High capacity batch mixing equipment agitator

Abstract

The utility model relates to big displacement batch mixing equipment stirring device, its characterized in that: contain stirring motor, bearing seat, connecting shaft, stirring shaft, stirring vane assembly, agitator support, stirring motor is connected with the bearing seat below its through bolt, bearing seat and its below connecting shaft are connected through bearing cooperation, the output shaft of stirring motor passes through bearing seat and then is connected with connecting shaft through spline cooperation, connecting shaft is connected with the stirring shaft bolt below its, be provided with a plurality of stirring vane assembly on stirring shaft, stirring vane assembly is connected with stirring shaft bolt, the end of stirring shaft is provided with agitator support, stirring shaft is connected with agitator support bolt. The utility model has improved batch mixing equipment stirring efficiency, especially under the stirring effect of big displacement, can make batch mixing equipment give consideration to oilfield actual working condition namely can continuously again batch mixing and cement slurry, has improved oilfield site cementing effect greatly.

Description

Technical Field

[0001] This utility model relates to the technical field of batch mixing equipment for oil and gas extraction, and specifically to a mixing device for large-volume batch mixing equipment. Background Technology

[0002] Currently, truck-mounted and skid-mounted batch mixing equipment is a crucial component in cementing systems. The mixing device in batch mixing equipment is primarily used to mix the coated materials. With the development of petroleum technology, oil wells are becoming increasingly deeper. Existing batch mixing equipment suffers from problems such as small batch mixing volumes and insufficient uniformity of the materials, severely reducing cementing quality. Currently, the nation places great emphasis on energy security, highlighting its strategic importance in ensuring overall energy security. Simultaneously, the batch mixing capacity of batch mixing equipment is increasing, placing higher demands on the mixing devices.

[0003] The shortcomings of existing technology are:

[0004] Because existing mixers generally use a motor and a reducer to drive them, these devices commonly suffer from problems such as complex structure, unstable mixing performance, and insufficient output torque, thus failing to meet the extraction needs of increasingly deeper oil wells. Summary of the Invention

[0005] To address the aforementioned problems, this utility model provides a mixing device for a large-volume batch mixing equipment. Its purpose is to improve the mixing efficiency of the batch mixing equipment, especially the mixing effect under large displacement, so that the batch mixing equipment can continuously and in batches mix cement slurry while taking into account the actual working conditions of the oilfield, thereby greatly improving the cementing effect in the oilfield.

[0006] To solve the above problems, the technical solution provided by this utility model is as follows:

[0007] A mixing device for a large-capacity batch mixing equipment, characterized in that it comprises a mixing motor, a bearing housing, a connecting shaft, a mixing shaft, a mixing blade assembly, and a mixing support, wherein:

[0008] The stirring motor is bolted to the bearing housing located below it; the bearing housing is connected to the connecting shaft located below it via a bearing engagement; the output shaft of the stirring motor passes through the bearing housing and is then connected to the connecting shaft via a spline engagement; the connecting shaft is bolted to the stirring shaft located below it; the stirring shaft is provided with a plurality of stirring blade assemblies, and the stirring shaft is bolted to the stirring blade assemblies; the end of the stirring shaft is provided with the stirrer support, and the stirring shaft is bolted to the stirrer support.

[0009] Preferably, a tapered roller bearing is installed in the bearing housing; the outer ring of the tapered roller bearing is interference-fitted with the bearing housing to prevent the tapered roller bearing from moving; the inner ring of the bearing is fitted with the connecting shaft; the inner ring of the tapered roller bearing is interference-fitted with the connecting shaft, and the inner ring of the tapered roller bearing is limited by a retaining washer.

[0010] Preferably, torque is transmitted between the stirring shaft and the stirring blade assembly via a flat key; the stirring shaft is machined with a limiting step for positioning the stirring blade assembly.

[0011] Preferably, the stirring shaft is a hollow tubular structure, which is used to reduce the overall mass of the device.

[0012] Preferably, a protective sleeve is installed inside the stirrer support; the protective sleeve is disposed between the stirring shaft and the stirrer support, and is used to separate the stirring shaft from the stirrer support, thereby reducing wear.

[0013] Preferably, the protective sleeve is made of copper.

[0014] Preferably, the agitator support is welded to the bottom of the batch mixing tank.

[0015] Preferably, the stirring blade assembly consists of three blades, which are evenly distributed at the lower part of the stirring shaft.

[0016] Preferably, the stirring blade assembly has six blades that are inclined at a set angle and evenly distributed.

[0017] Compared with the prior art, this utility model has the following advantages:

[0018] 1. Because the stirring motor and the stirring shaft of this utility model are connected by a connecting shaft, the stirring device can provide a greater output torque to stir the liquid in the batch mixing tank.

[0019] 2. Because this utility model uses multiple sets of blade assemblies working together, the equipment has higher mixing efficiency and more uniform mixing.

[0020] Because this invention uses a copper sleeve as a sliding bearing at the bottom, it reduces the complex maintenance and repair work caused by bearing damage. Attached Figure Description

[0021] Figure 1 This is a perspective view of the mixing device of a large-capacity batch mixing equipment according to a specific embodiment of the present utility model.

[0022] Figure 2 This is a side view of the stirring shaft in a specific embodiment of the present invention.

[0023] The components include: 1. stirring motor, 2. bearing housing, 3. connecting shaft, 4. stirring shaft, 5. stirring blade assembly, 6. stirring support, and 7. copper bushing. Detailed Implementation

[0024] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0025] like Figure 1 As shown, this utility model application claims protection for a mixing device for a large-volume batch mixing equipment, characterized in that it includes a mixing motor 1, a bearing seat 2, a connecting shaft 3, a mixing shaft 4, a mixing blade assembly 5, and a mixer support 6, wherein:

[0026] The stirring motor 1 is bolted to the bearing housing 2 located below it; the bearing housing 2 is connected to the connecting shaft 3 located below it via a bearing engagement; the stirring motor 1 is the drive source, and the external hydraulic device provides high-pressure hydraulic oil to drive the stirring motor 1 to rotate; the connecting shaft 3 transmits the output torque of the stirring motor 1; the output shaft of the stirring motor 1 passes through the bearing housing 2 and is connected to the connecting shaft 3 via a spline engagement; the connecting shaft 3 is bolted to the stirring shaft 4 located below it; the stirring shaft 4 is provided with multiple stirring blade assemblies 5, and the stirring shaft 4 is bolted to the stirring blade assemblies 5; the stirring shaft 4 transmits torque, driving the stirring blade assemblies 5 to rotate, thereby driving the liquid in the batch mixing tank to mix evenly; the end of the stirring shaft 4 is provided with a stirrer support 6, and the stirring shaft 4 is bolted to the stirrer support 6.

[0027] It should be noted that bearing housing 2 is an intermediate transition device, and a tapered roller bearing is installed in bearing housing 2; the outer ring of the tapered roller bearing is interference-fitted with bearing housing 2 to prevent the tapered roller bearing from moving; the inner ring of the bearing is fitted with connecting shaft 3; the inner ring of the tapered roller bearing is interference-fitted with connecting shaft 3, and the inner ring of the tapered roller bearing is limited by a retaining washer.

[0028] It should be further explained that the connecting shaft 3 is connected to the stirring motor 1 via a spline to transmit torque; the connecting shaft 3 has a limit groove, and the bearing is limited by a stop washer.

[0029] like Figure 2 As shown, it should be noted that torque is transmitted between the stirring shaft 4 and the stirring blade assembly 5 via a flat key; the stirring shaft 4 is machined with a limiting step for positioning the stirring blade assembly 5. The stirring blade assembly 5 is used to stir the liquid in the batch mixing tank and mix it evenly.

[0030] It should be further explained that the stirring shaft 4 is a hollow tubular structure and is the core component of the entire stirring device. It is used to reduce the overall weight of the device and improve its torque resistance.

[0031] It should be noted that a protective sleeve 7 is installed inside the stirrer support 6; the protective sleeve 7 is located between the stirring shaft 4 and the stirrer support 6, and is used to separate the stirring shaft 4 from the stirrer support 6, thereby reducing wear. The end of the stirring shaft 4 is precision machined to fit with the protective sleeve 7.

[0032] It should be further noted that the material of the protective case 7 is copper.

[0033] It should be further explained that the agitator support 6 provides support for the entire agitator, and the agitator support 6 is welded to the bottom of the batch mixing tank.

[0034] It should be noted that there are 3 stirring blades 5, which are evenly distributed at the bottom of the stirring shaft 4.

[0035] It should be further explained that the stirring blade assembly 5 is provided with six blades that are inclined at a set angle and evenly distributed.

[0036] In the above detailed description, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the present invention is in a state with fewer features than all of the disclosed individual embodiments. Therefore, the appended claims are hereby clearly incorporated into the detailed description, wherein each claim stands alone as a preferred embodiment of the present invention.

[0037] The disclosed embodiments have been described above to enable any person skilled in the art to implement or use this invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit and scope of this disclosure. Therefore, this disclosure is not limited to the embodiments given herein, but is consistent with the widest scope of the principles and novel features disclosed in this application.

[0038] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that further combinations and arrangements of the various embodiments are possible. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term "comprising" as used in the specification or claims is interpreted in a manner similar to the term "including," as interpreted when used as a conjunction in the claims. Additionally, the use of any term "or" in the specification of the claims is intended to mean "non-exclusive or."

[0039] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A mixing device for a large-capacity batch mixing equipment, characterized in that: Includes a stirring motor (1), bearing housing (2), connecting shaft (3), stirring shaft (4), stirring blade assembly (5), and stirrer support (6), wherein: The stirring motor (1) is bolted to the bearing housing (2) located below it; the bearing housing (2) is connected to the connecting shaft (3) located below it via a bearing engagement; the output shaft of the stirring motor (1) passes through the bearing housing (2) and is then connected to the connecting shaft (3) via a spline engagement; the connecting shaft (3) is bolted to the stirring shaft (4) located below it; the stirring shaft (4) is provided with a plurality of stirring blade assemblies (5), and the stirring shaft (4) is bolted to the stirring blade assemblies (5); the end of the stirring shaft (4) is provided with a stirrer support (6), and the stirring shaft (4) is bolted to the stirrer support (6).

2. The mixing device for large-volume batch mixing equipment according to claim 1, characterized in that: A tapered roller bearing is installed in the bearing housing (2); the outer ring of the tapered roller bearing is interference-fitted with the bearing housing (2) to prevent the tapered roller bearing from moving; the inner ring of the bearing is fitted with the connecting shaft (3); the inner ring of the tapered roller bearing is interference-fitted with the connecting shaft (3), and the inner ring of the tapered roller bearing is limited by a retaining washer.

3. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: Torque is transmitted between the stirring shaft (4) and the stirring blade assembly (5) via a flat key; the stirring shaft (4) is machined with a limiting step for positioning the stirring blade assembly (5).

4. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: The stirring shaft (4) is a hollow tubular structure used to reduce the overall mass of the device.

5. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: The stirrer support (6) is equipped with a protective sleeve (7); the protective sleeve (7) is located between the stirring shaft (4) and the stirrer support (6) and is used to separate the stirring shaft (4) from the stirrer support (6) to reduce wear.

6. The mixing device for a large-volume batch mixing equipment according to claim 5, characterized in that: The protective sleeve (7) is made of copper.

7. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: The agitator support (6) is welded to the bottom of the batch mixing tank.

8. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: The stirring blade assembly (5) has three blades, which are evenly distributed in the lower part of the stirring shaft (4).

9. The mixing device for a large-volume batch mixing equipment according to claim 1, characterized in that: The stirring blade assembly (5) is provided with six blades that are inclined at a set angle and evenly distributed.

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