Stirring main shaft of slurry stirrer
By using the connecting sleeve and spline joint structure and sealing cover design, the problem of inconvenient connection operation between the reducer output shaft and the mixing main shaft in the vertical walking mud mixer is solved, which simplifies installation, improves equipment stability, and reduces maintenance frequency and damage risk.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-27
AI Technical Summary
In existing vertical walking mud mixers, the connection between the reducer output shaft and the mixing main shaft is inconvenient to operate and difficult to maintain, which affects the efficiency and stability of the equipment.
The design employs a connecting sleeve to the spline and key sections, combined with a sealing cap and multiple bearings, which simplifies the installation process and improves rotational stability and protection.
It reduces installation difficulty, improves equipment protection and mixing stability, reduces maintenance frequency, and prevents damage to the reducer and bearing bracket caused by mixing vibration.
Smart Images
Figure CN224040654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of stirring shaft, especially relates to a mud stirring machine stirring main shaft. BACKGROUND
[0002] The vertical walking type mud stirring machine adopts a cycloid pin speed reducer connected with a driving device, the lower end of the cycloid pin speed reducer is connected with the stirring main shaft through a shaft coupling, and the lower end of the stirring main shaft is fixedly connected with a stirrer.
[0003] The existing speed reducer output shaft and stirring main shaft are connected by using a traditional shaft coupling (back wheel), and the connection is compressed by a screw, the space below the speed reducer output shaft is very small, so it is inconvenient to operate when installing the shaft coupling, and it is very difficult to disassemble for subsequent maintenance, which is not conducive to the use of the equipment by the staff. SUMMARY
[0004] The utility model provides a kind of mud stirring machine stirring main shaft to solve the problem proposed above.
[0005] The utility model provides a kind of mud stirring machine stirring main shaft, including connecting seat, both sides of the connecting seat are fixedly installed with support sheet, the top of the support sheet is fixedly installed with mounting plate, the bottom of the mounting plate is movably installed with bolt that is penetrated to its top, the inside of the connecting seat is equipped with the main shaft that extends to its outside, the inside of the connecting seat is fixedly installed with the first bearing that is sleeved on the outside of main shaft, the top of the main shaft is equipped with speed reducer output shaft, the bottom of the main shaft is fixedly installed with stirrer connecting piece, the top of the main shaft forms spline portion, the outside of the spline portion is sleeved with connecting sleeve, the bottom of the inner wall of the connecting sleeve is equipped with spline groove that is matched with spline portion, the bottom of the speed reducer output shaft forms flat key portion, the top of the inner wall of the connecting sleeve is equipped with flat key groove that is matched with flat key portion.
[0006] Preferably, the top of the connecting seat is fixedly installed with sealing cover that is sleeved on the outside of main shaft.
[0007] Preferably, the inside of the sealing cover is fixedly installed with sealing ring that is sleeved on the outside of main shaft and is attached to it.
[0008] Preferably, both sides of the connecting seat are fixedly installed with auxiliary sheet, the top of the auxiliary sheet is fixedly installed with mounting plate, and the line between the two auxiliary sheets is perpendicular to the line between the two support sheets.
[0009] Preferably, the top of the inner wall of the connecting seat is fixedly installed with the second bearing that is sleeved on the outside of main shaft.
[0010] The above technical solution provided by the utility model embodiment compared with prior art has the following advantages:
[0011] 1. The structure provided by the utility model, through the sleeve joint of the connecting sleeve with the spline part and the key part, the connecting sleeve is sleeved outside the spline part first, the connecting sleeve is connected with the output shaft end of the speed reducer after the connecting seat is aligned with the key part of the output shaft end of the speed reducer and the connecting seat is pushed upward, then the mounting plate is fixed at the bottom end of the platform by fastening the bolt, so that the main shaft is connected with the output shaft of the speed reducer, the additional operation of the connecting end of the output shaft of the speed reducer and the main shaft is not needed in the installation process, the operation difficulty in installation is reduced, and the dismounting efficiency is prevented from being affected by the space problem between the output shaft end of the speed reducer and the main shaft;
[0012] 2. The structure provided by the utility model, through the sealing cover above the connecting seat, the gap between the main shaft and the connecting seat can be shielded, the bearing is prevented from being affected by the mud accumulated above the connecting seat and entering the inside, the protection during equipment use is improved, and the maintenance frequency is reduced;
[0013] 3. The structure provided by the utility model, the bearing is added in the connecting seat, the rotation fulcrum of the main shaft is at the upper and lower bearings, the stability of the main shaft stirring rotation is improved, the support strength of the connecting place of the output shaft of the speed reducer and the main shaft is reduced, the connection stability of the output shaft of the speed reducer and the main shaft is improved, the stability of stirring is improved, and the damage of the components such as the speed reducer and the bearing frame caused by stirring vibration is prevented;
[0014] 4. The structure provided by the utility model, the stress performance perpendicular to the direction of the two supporting sheets is improved by adding the auxiliary sheet, the stability of the connecting seat installation is improved, and the stability during stirring is further improved. DRAWINGS
[0015] The drawings incorporated into the description and constituting a part of the description show the embodiments consistent with the utility model and are used together with the description to explain the principle of the utility model.
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by the ordinary skilled in the art without the creative labor.
[0017] Figure 1 It is the overall structure schematic view of the utility model;
[0018] Figure 2 It is the plane structure schematic view of the utility model;
[0019] Figure 3 It is the main shaft part structure schematic view of the utility model;
[0020] Figure 4 Figure is the bottom structure diagram of the connecting sleeve.
[0021] In the figure: 1, connecting seat; 11, support sheet; 12, mounting plate; 13, first bearing; 14, reducer output shaft; 15, stirrer connecting piece; 2, main shaft; 21, spline part; 22, connecting sleeve; 23, spline groove; 24, flat key part; 25, bolt; 26, flat key groove; 3, sealing cover; 31, sealing ring; 4, auxiliary sheet; 5, second bearing. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0023] Various embodiments of the utility model can exist in the form of a range, it should be understood that the description in the form of a range is only because of convenience and brevity, and should not be understood as a rigid restriction on the range of the utility model, therefore, the range described should be considered to have disclosed all possible subranges and single values in the range, for example, the range description from 1 to 6 should be considered to have disclosed subranges, for example, from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., and single numbers in the range, for example, 1, 2, 3, 4, 5 and 6, this is applicable regardless of the range. In addition, whenever a numerical range is indicated in the utility model, it refers to any cited number (fraction or integer) in the indicated range. Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the utility model can be purchased from the market or can be prepared by existing equipment.
[0024] In the utility model, in the case where no contrary statement is made, the orientation words such as ''up'' and ''down'' are specifically the picture direction in the drawing. In addition, in the utility model, the terms ''include'', ''contain'' and the like mean ''include but are not limited to''. In the utility model, relational terms such as ''first'' and ''second'' are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. In the utility model, ''and / or'' describes the association relationship of associated objects, which means that there can be three kinds of relationships, for example, A and / or B can mean: the case of existing A alone, existing A and B simultaneously, and existing B alone. Wherein A, B can be singular or plural. In the utility model, ''at least one'' means one or more, and ''a plurality of'' means two or more. ''At least one'', ''at least one of the following'' or the like means any combination of these items, including any combination of single or multiple items. For example, ''at least one of a, b or c'', or ''at least one of a, b and c'', can mean a, b, c, a-b (a and b), a-c (b-c), or a-b-c, where a, b, c can be single or multiple. Specifically: Figure 2 As shown in
[0025] As shown in Figures 1-4 A mud mixer stirring main shaft, including connecting seat 1, both sides of connecting seat 1 are fixedly installed with support sheet 11, support sheet 11 top end is fixedly installed with mounting plate 12, mounting plate 12 bottom is movably installed with bolt 25 penetrating to its top end, connecting seat 1 inside is equipped with the main shaft 2 extending to its outside, the first bearing 13 of connecting seat 1 is fixedly installed with the sleeve in the outside of main shaft 2, the main shaft 2 top is formed with spline part 21, the spline part 21 outside is sleeved with connecting sleeve 22, the inner side wall bottom of connecting sleeve 22 is provided with spline groove 23 matched with spline part 21, the reducer output shaft 14 lower end is formed with flat key part 24, the inner side wall upper end of connecting sleeve 22 is provided with flat key groove 26 matched with flat key part 24.
[0026] As shown in Figure 2 Connecting seat 1 top end is fixedly installed with sealing cover 3 sleeved in the outside of main shaft 2, sealing cover 3 inside is fixedly installed with sealing ring 31 sleeved in the outside of main shaft 2 and abutting with it.
[0027] Specifically, the sealing cover 3 arranged outside the main shaft 2 can shield the gap between the main shaft 2 and the connecting seat 1, prevent the mud from accumulating above the connecting seat 1 during stirring, and then enter the inside of the connecting seat 1 to affect the bearing, improve the protection of the equipment during use, and reduce the frequency of maintenance.
[0028] As Figure 1 shown: the two sides of the connecting seat 1 are fixedly installed with auxiliary sheets 4, the top end of the auxiliary sheet 4 is fixedly installed with a mounting plate 12, and the connecting line between the two auxiliary sheets 4 is perpendicular to the connecting line between the two supporting sheets 11.
[0029] Specifically: by increasing the auxiliary sheet 4, the stress performance perpendicular to the direction of the two supporting sheets 11 is improved, the stability of the installation of the connecting seat 1 is improved, and the stability during stirring is increased.
[0030] As Figure 2 shown: the top end of the inner side wall of the connecting seat 1 is fixedly installed with a second bearing 5 sleeved outside the main shaft 2.
[0031] Specifically: by increasing the bearing on the inner side of the connecting seat 1, the rotation fulcrum of the main shaft 2 is at the upper and lower bearings, the stability of the stirring rotation of the main shaft 2 is improved, the supporting strength of the reducer output shaft 14 and the connecting part of the main shaft 2 is reduced, the connecting stability of the reducer output shaft 14 and the main shaft 2 is improved, the stability of the stirring is increased, and damage to components such as the reducer and the bearing frame caused by stirring vibration is prevented.
[0032] Principle: during installation, first, the connecting sleeve 22 is sleeved outside the spline part 21, so that it is sleeved with the main shaft 2, then the connecting seat 1 is aligned with the flat key part 24 at the end of the reducer output shaft 14, the connecting seat 1 is pushed upwards, the connecting sleeve 22 is connected with the end of the reducer output shaft 14, then the mounting plate 12 is fixed at the bottom end of the platform by tightening the bolt 26, so that the main shaft 2 is connected with the reducer output shaft 14, and no additional operation is required for the connecting end of the reducer output shaft 14 and the main shaft 2 during installation, which reduces the operation difficulty during installation and prevents the dismounting efficiency from being affected due to space problems between the end of the reducer output shaft 14 and the main shaft 2; when the sealing cover 3 is provided outside the main shaft 2, the gap between the main shaft 2 and the connecting seat 1 can be shielded, the mud during stirring is prevented from entering the inside of the connecting seat 1 due to accumulation above the connecting seat 1, the protection during equipment use is improved, and the maintenance frequency is reduced; when the second bearing 5 is provided inside the connecting seat 1, the rotation fulcrum of the main shaft 2 is at the upper and lower bearings, the stability of the stirring rotation of the main shaft 2 is improved, the supporting strength of the reducer output shaft 14 and the connecting part of the main shaft 2 is reduced, the connecting stability of the reducer output shaft 14 and the main shaft 2 is improved, the stability of the stirring is increased, and damage to components such as the reducer and the bearing frame caused by stirring vibration is prevented; by increasing the auxiliary sheet 4, the stress performance perpendicular to the direction of the two supporting sheets 11 is improved, the stability of the installation of the connecting seat 1 is improved, and the stability during stirring is increased.
[0033] The above describes only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined in the present application can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown in the present application, but will conform to the widest scope consistent with the principles and novel features of the present application.
Claims
1. A mixing spindle for a mud mixer, comprising a connecting seat (1), wherein support plates (11) are fixedly installed on both sides of the connecting seat (1), an mounting plate (12) is fixedly installed on the top of the support plates (11), and a bolt (25) extending through to the top of the mounting plate (12) is movably installed on the bottom of the mounting plate (12), a spindle (2) extending to its outer side is provided inside the connecting seat (1), a first bearing (13) sleeved on the outer side of the spindle (2) is fixedly installed inside the connecting seat (1), a reducer output shaft (14) is provided above the spindle (2), and a mixer connector (15) is fixedly installed below the spindle (2), characterized in that: The top end of the main shaft (2) forms a spline part (21), a connecting sleeve (22) is sleeved outside the spline part (21), a spline groove (23) matched with the spline part (21) is formed in the inner wall of the connecting sleeve (22), the lower end of the reducer output shaft (14) forms a flat key part (24), and a flat key groove (26) matched with the flat key part (24) is formed in the upper end of the inner wall of the connecting sleeve (22).
2. A mixing shaft for a mud mixer according to claim 1, characterized in that: The top end of the connecting seat (1) is fixedly provided with a sealing cover (3) sleeved outside the main shaft (2).
3. A mixing shaft for a mud mixer according to claim 2, characterized in that: The inner part of the sealing cover (3) is fixedly provided with a sealing ring (31) sleeved outside the main shaft (2) and matched with the main shaft (2).
4. A mixing shaft for a mud mixer according to any one of claims 1 to 3, characterized in that: The two sides of the connecting seat (1) are fixedly provided with auxiliary sheets (4), the top end of each auxiliary sheet (4) is fixedly provided with a mounting plate (12), and the line connecting the two auxiliary sheets (4) is perpendicular to the line connecting the two supporting sheets (11).
5. A mixing shaft for a mud mixer according to claim 4, characterized in that: The top end of the inner wall of the connecting seat (1) is fixedly provided with a second bearing (5) sleeved outside the main shaft (2).