Stirring shaft auxiliary mounting structure for fermentation tank

Abstract

The utility model provides an auxiliary mounting structure of a stirring shaft for a fermentation tank, which belongs to the technical field of stirring shaft mounting and comprises a base. The fixed frame is fixed at the top of the base through a bolt; the four first electric push rods are symmetrically fixed to the outer side wall of the fixing frame through bolts; the fermentation tank cover positioning tables are respectively fixed at the output ends of the four electric push rods I; the tank cover limiting groove is formed in the outer wall of the side, far away from the first electric push rod, of the fermentation tank cover positioning table; the positioning sleeve positioning assembly is arranged on the outer side wall of the fermentation tank cover positioning table; according to the utility model, the fermentation tank cover and the stirring shaft positioning sleeve are coaxially positioned, so that the circle center of the fermentation tank cover and the circle center of the stirring shaft positioning sleeve are positioned on the same horizontal axis, and the output end of the motor and the coupler which are arranged on the fermentation tank cover are positioned on the same axis with the stirring shaft positioning sleeve; and the same concentricity is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stirring shaft installation technical field, concretely relates to a kind of auxiliary installation structure for fermenter with stirring shaft. BACKGROUND

[0002] Fermenter refers to the device used for microbial fermentation in industry, and is generally composed of a tank body and a tank cover. In order to ensure uniform fermentation of materials in the fermenter, a stirring structure is installed at the center of one side of the tank cover. The stirring structure is generally composed of a motor, a shaft coupling, a stirring shaft and a paddle.

[0003] Since some large fermenters are equipped with large functional stirring structures, the stirring shaft in the stirring structure is usually long and heavy. During installation, the concentricity of the stirring shaft and the motor shaft coupling needs to be ensured, otherwise it will cause excessive vibration during operation, wear and even damage the equipment. The existing large fermenter stirring shaft lacks corresponding auxiliary structures during installation.

[0004] Therefore, an auxiliary installation structure for fermenter with stirring shaft is proposed. SUMMARY

[0005] The utility model provides an auxiliary installation structure for fermenter with stirring shaft, which aims to solve the above-mentioned problems.

[0006] The utility model embodiment provides an auxiliary installation structure for fermenter with stirring shaft, including base, fixed frame is fixed to the top of base through bolt, four electric push rods one are fixed to the outer side wall of fixed frame through bolt symmetry, fermenter tank cover positioning table is fixed to the output end of four electric push rods one respectively, tank cover limiting slot is opened on the outer wall of fermenter tank cover positioning table far from electric push rod one side, and positioning sleeve positioning assembly is arranged on the outer side wall of fermenter tank cover positioning table, wherein, the positioning sleeve positioning assembly includes: horizontal plate is fixed on the outer wall of one side of fermenter tank cover positioning table through bolt, support frame is welded on the outer side wall of horizontal plate, electric push rod two is fixed to the inner side wall of support frame through bolt, clamping plate is fixed to the output end of electric push rod two, stirring shaft positioning sleeve is arranged at one side of clamping plate, and two lifting rings are symmetrically welded on the top of stirring shaft positioning sleeve.

[0007] An auxiliary installation structure for fermenter with stirring shaft further includes a guide column welded on the outer wall of the horizontal plate away from the support frame, a support frame fixed to the top of the base near the fixed frame through a bolt, a guide column hole opened on the outer side wall of the support frame, a stirring shaft arranged at a horizontal side of the stirring shaft positioning sleeve, and a fermenter tank cover arranged at the other side of the fixed frame.

[0008] Further, an arc groove matched with the outer sidewall of the fermentation tank cover is formed on the inner sidewall of the cover limiting groove, and the inner width of the cover limiting groove in the horizontal direction is the same as the thickness of the flange on the fermentation tank cover.

[0009] By using the above technical scheme, the fermentation tank cover is limited by the cover limiting groove, the fermentation tank cover is prevented from shaking in the cover limiting groove, and the quality of the shaft center positioning is ensured.

[0010] Further, the inner sidewall of the stirring shaft positioning sleeve is matched with the outer sidewall of the stirring shaft, and the stirring shaft positioning sleeve and the stirring shaft are both hoisted by external hoisting equipment.

[0011] By using the above technical scheme, the stirring shaft inserted into the stirring shaft positioning sleeve is limited, so that the stirring shaft positioning sleeve and the stirring shaft are ensured to be on the same axis, and the stirring shaft positioning sleeve and the stirring shaft can be hoisted by external hoisting equipment, thereby realizing combined limiting.

[0012] Further, the fixed frame and the support frame are both frame structures, and a straight slope for installing and fixing the first electric push rod is arranged on the outer sidewall of the fixed frame.

[0013] By using the above technical scheme, the frame structure provides space for the movement of the fermentation tank cover positioning table and the positioning sleeve positioning assembly, the straight slope for installing and fixing the first electric push rod is arranged on the outer sidewall of the fixed frame, the arrangement of the straight slope ensures that the first electric push rod is installed stably and firmly, provides an installation position for the first electric push rod, and ensures that the output ends of the four first electric push rods can move towards the same axis, thereby realizing subsequent positioning and clamping operations.

[0014] Further, a groove matched with the outer sidewall of the stirring shaft positioning sleeve is formed on one side of the clamping plate.

[0015] By using the above technical scheme, the groove matched with the outer sidewall of the stirring shaft positioning sleeve is formed on one side of the clamping plate, the arrangement of the groove ensures that the clamping plate and the stirring shaft positioning sleeve are matched, the contact area is increased, and the stirring shaft positioning sleeve is clamped stably.

[0016] Further, the guide column passes through the guide column hole.

[0017] By using the above technical scheme, the guide column hole can guide and limit the guide column, thereby ensuring the stable movement of the positioning sleeve positioning assembly.

[0018] The beneficial effects of the utility model are as follows:

[0019] The utility model discloses a coaxial positioning operation is conducted to fermentation tank cover and stirring shaft positioning sleeve, guarantees the round center of fermentation tank cover and the round center of stirring shaft positioning sleeve to be on same horizontal axis, and then guarantees that the motor output end and the shaft coupling installed on fermentation tank cover are all with stirring shaft positioning sleeve on same axis, guarantees that the concentricity is same, and utilizes the guiding position limiting of stirring shaft positioning sleeve to the stirring shaft, can adjust the butt joint distance of stirring shaft and shaft coupling at will, is convenient for butt joint installation fixed, improves the convenience of operation, avoids that the stirring shaft is heavy and long and is not easy to install, and can guarantee the precision after butt joint, reduces the vibration and wear and tear in the high -speed rotation process of stirring shaft.

[0020] Other features and advantages of the present utility model will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present utility model. The objects and other advantages of the present utility model can be realized and achieved by means of the structures particularly pointed out in the description and accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model. In the drawings:

[0022] Figure 1 It is the structure, stirring shaft and fermentation tank cover cooperation schematic diagram of the embodiment of the present utility model;

[0023] Figure 2 It is the structure schematic diagram of the embodiment of the present utility model;

[0024] Figure 3 It is the positioning sleeve positioning assembly structure schematic diagram of the embodiment of the present utility model;

[0025] Figure 4 It is the support frame structure schematic diagram of the embodiment of the present utility model.

[0026] Sign significance: 1, base;2, fixed frame;3, electric push rod one;4, fermentation tank cover positioning table;5, tank cover limiting groove;6, positioning sleeve positioning assembly;61, transverse plate;62, support frame;63, electric push rod two;64, clamping plate;7, guide column;8, support frame;9, guide column hole;10, stirring shaft positioning sleeve;11, lifting ring;12, stirring shaft;13, fermentation tank cover. DETAILED DESCRIPTION

[0027] In order to make the technical scheme of the utility model, the technical scheme and the advantages of the embodiment of the utility model more clearly, the technical scheme of the embodiment of the utility model will be clearly and completely described in the following with reference to the drawings of the specific embodiment of the utility model. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the described embodiment of 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.

[0028] With reference to Figures 1-3The utility model discloses a kind of auxiliary installation structures of agitator shaft for fermentation tank, including base 1, the top of base 1 is fixedly connected with fixed frame 2 by bolt, four electric push rods one 3 are fixedly connected on the outer side wall of fixed frame 2 by bolt symmetry, straight inclined surface that can be installed fixedly for electric push rod one 3 is provided on the outer side wall of fixed frame 2, the setting of straight inclined surface can guarantee that electric push rod one 3 is installed stably firm, provides installation position for it, and can guarantee that the output end of four electric push rods one 3 can move towards same axis, realize subsequent positioning clamping operation, the output end of four electric push rods one 3 is fixedly connected with fermentation tank cover positioning table 4, and four electric push rods one 3 work synchronously, one side outer wall on fermentation tank cover positioning table 4 away from the output end of electric push rod one 3 is provided with tank cover limiting groove 5, the outer wall on the side of four fermentation tank cover positioning table 4 is fixedly connected with the horizontal plate 61 in positioning sleeve positioning assembly 6 by bolt, the outer wall on the side adjacent to fermentation tank cover positioning table 4 is fixedly connected with support frame 62 by bolt on horizontal plate 61, two electric push rods two 63 are fixedly connected on the inner side wall of support frame 62 by bolt symmetry, the output end of two electric push rods two 63 is fixedly connected with clamping plate 64, stirring shaft positioning sleeve 10 is provided at the side position of clamping plate 64, recess is provided on the outer wall on the side of clamping plate 64 and matches with the outer side wall of stirring shaft positioning sleeve 10, the setting of recess can guarantee that clamping plate 64 and stirring shaft positioning sleeve 10 are pasted, improve contact area, guarantee that stirring shaft positioning sleeve 10 is clamped stably, two lifting rings 11 are symmetrically welded on the top of stirring shaft positioning sleeve 10, stirring shaft 12 is provided at horizontal side position of stirring shaft positioning sleeve 10, the inner side wall of stirring shaft positioning sleeve 10 and the outer side wall of stirring shaft 12 match and fit, and stirring shaft positioning sleeve 10 and stirring shaft 12 are all hoisted by external hoisting equipment, stirring shaft positioning sleeve 10 can be positioned to be inserted into stirring shaft 12, guarantee that stirring shaft positioning sleeve 10 and stirring shaft 12 are on same axis, when realizing the positioning of stirring shaft positioning sleeve 10, the positioning of stirring shaft 12 is realized, can guarantee that the center of stirring shaft 12 and fermentation tank cover 13 is on same axis, guarantee that the output end of motor installed on the side central position of fermentation tank cover 13 and stirring shaft 12 are on same shaft, guarantee the precision of butt joint, and stirring shaft positioning sleeve 10 and stirring shaft 12 are hoisted by external hoisting equipment, and stirring shaft 12 is inserted into stirring shaft positioning sleeve 10 horizontally, fermentation tank cover 13 is provided at horizontal side position of fixed frame 2, arc groove that matches with the outer side wall of fermentation tank cover 13 is provided on the inner side wall of tank cover limiting groove 5, and the inner width of tank cover limiting groove 5 in horizontal direction and the thickness of flange on fermentation tank cover 13 are same, fermentation tank cover 13 is positioned using tank cover limiting groove 5, avoid fermentation tank cover 13 to sway in tank cover limiting groove 5, guarantee the quality of axis positioning;

[0029] The embodiment is specific as follows: before auxiliary installation of the stirring shaft 12, the bottom part of the fermentation tank cover 13 is inserted into the two fermentation tank cover positioning tables 4 below the inner side of the fixed frame 2, the fermentation tank cover 13 is inserted into the cover limiting groove 5, at this time, the four electric push rods one 3 are controlled to work synchronously, the output end of the four electric push rods one 3 drives the fermentation tank cover positioning table 4 to move towards the same axis through the output end on one side of the electric push rod, the fermentation tank cover positioning table 4 drives the fermentation tank cover 13 to move until the top part of the fermentation tank cover 13 is inserted into the fermentation tank cover positioning table 4 above the inner side of the fixed frame 2, the four cover limiting grooves 5 realize positioning of the fermentation tank cover 13, the position of the axis of the fermentation tank cover 13 is determined, and then the position of the axis of the motor output shaft installed on the fermentation tank cover 13 is determined, at this time, the shaft coupling is fixed on one end of the motor output end, then the stirring shaft positioning sleeve 10 is hoisted to the horizontal side of the fermentation tank cover 13 by using external hoisting equipment, then the electric push rods two 63 on the four positioning sleeve positioning assemblies 6 are controlled to work synchronously, the electric push rods two 63 drive the clamping plates 64 to move through the output end on one side of the electric push rod, the four clamping plates 64 are in contact with the stirring shaft positioning sleeve 10 and clamp and hold the stirring shaft positioning sleeve 10, at this time, the axis of the stirring shaft positioning sleeve 10 and the axis of the shaft coupling are on the same axis line, after the stirring shaft 12 is hoisted and inserted into the stirring shaft positioning sleeve 10, the one end of the stirring shaft 12 and the shaft coupling are fixedly connected, after installation of the stirring shaft 12 is completed, the stirring shaft positioning sleeve 10 on the outer side wall of the stirring shaft 12 is pulled out.

[0030] As shown in the further preferred embodiment of the utility model, Figures 1-4 As shown in the further preferred embodiment of the utility model,

[0031] The embodiment is specific as follows: when the stirring shaft positioning sleeve 10 is clamped and positioned, the horizontal plate 61 drives the guide column 7 to move synchronously in the moving process, the guide column 7 moves along the guide column hole 9 on the support frame 8, the guide column hole 9 guides and limits the guide column 7, and the stability of the movement of the positioning sleeve positioning assembly 6 is ensured.

[0032] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An auxiliary installation structure for a stirring shaft in a fermenter, characterized in that: Including the base (1); The fixing frame (2) is fixed to the top of the base (1) by bolts; Four electric push rods (3) are symmetrically fixed to the outer wall of the fixed frame (2) by bolts; Fermentation tank lid positioning platform (4) is fixed to the output end of the four electric push rods (3); A lid limiting groove (5) is formed on the outer wall of the fermentation tank lid positioning platform (4) on the side away from the electric push rod (3); and Positioning sleeve positioning assembly (6) is provided on the outer wall of the positioning platform (4) of the fermentation tank lid; The positioning sleeve positioning component (6) includes: A transverse plate (61) is fixed to the outer wall of one side of the fermentation tank lid positioning platform (4) by bolts; A support frame (62) welded to the outer wall of the transverse plate (61); Electric push rod 2 (63) is fixed to the inner wall of the support frame (62) by bolts; The clamp (64) is fixed to the output end of the electric push rod (63); A stirring shaft positioning sleeve (10) is provided on one side of the clamping plate (64); Two lifting rings (11) are symmetrically welded to the top of the stirring shaft positioning sleeve (10).

2. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 1, characterized in that: It also includes guide posts (7) welded to the outer wall of the transverse plate (61) on the side away from the support frame (62); The support frame (8) is fixed to the top of the base (1) near the side of the fixing frame (2) by bolts; Guide post holes (9) are opened on the outer side wall of the support frame (8); A stirring shaft (12) is located on the horizontal side of the stirring shaft positioning sleeve (10); The fermentation tank lid (13) is located on the other side of the fixing frame (2).

3. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 2, characterized in that: The inner wall of the lid limiting groove (5) is provided with an arc groove that matches the outer wall of the fermentation tank lid (13), and the inner width of the lid limiting groove (5) in the horizontal direction is the same as the thickness of the flange on the fermentation tank lid (13).

4. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 2, characterized in that: The inner wall of the stirring shaft positioning sleeve (10) and the outer wall of the stirring shaft (12) are matched and fitted together, and both the stirring shaft positioning sleeve (10) and the stirring shaft (12) are lifted by external lifting equipment.

5. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 2, characterized in that: Both the fixed frame (2) and the support frame (8) are frame structures, and the outer side wall of the fixed frame (2) is provided with a straight inclined surface for the electric push rod (3) to be installed and fixed.

6. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 1, characterized in that: The clamping plate (64) has a groove on one side of its outer wall that fits against the outer wall of the stirring shaft positioning sleeve (10).

7. The auxiliary installation structure for a stirring shaft in a fermenter according to claim 2, characterized in that: The guide post (7) passes through the guide post hole (9).

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