Stirring shaft positioning and reinforcing tool

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to a stirring shaft positioning and reinforcing tool which comprises a positioning section, a positioning frame and a bearing positioning assembly, the positioning section is formed by a part, protruding out of an original mechanism on the outer end face of a stirring device barrel after a stirring shaft is lengthened, of the stirring shaft, and the positioning frame is fixed on the outer end face of the stirring device barrel. The bearing positioning assembly comprises a positioning support and two positioning bearings, the positioning support is fixed on the positioning frame, the two positioning bearings are arranged in the support, and the positioning section is sleeved with the positioning support and the positioning bearings so as to position and reinforce the stirring shaft. The technical problem that in the prior art, a stirring shaft of a stirring device is prone to bending, and consequently mechanical sealing is damaged is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection equipment technical field, concretely is a kind of stirring shaft positioning reinforcing tool. BACKGROUND

[0002] Traditional wastewater treatment methods such as biological method, physical method and chemical method etc., although alleviate water pollution problem to some extent, but cannot achieve the goal of zero discharge of wastewater, and cannot effectively reduce the outsourcing processing capacity and processing cost, the prior art provides a kind of evaporation crystallization device, directly converts liquid into solid, so that outsourcing quantity is only 5% of raw water, outsourcing cost is only 20% of raw water processing cost. However, a problem occurs when the scraper crystallization dryer is running, the machine seal leaks, causing the vacuum degree to be unstable, thereby affecting the temperature difference, resulting in reduced productivity, so how to ensure that the machine seal does not leak is an important problem faced by the scraper crystallization dryer at present.

[0003] During the operation of the equipment, the presence of materials in the cylinder causes the stirring device to be at the bottom of the cylinder, and a large amount of load acts on the stirring shaft, causing axial bending and reduction of the mechanical seal gap. This causes the sealing inner circle to be worn, thereby increasing the gap, causing air to be sucked into the cylinder under negative pressure, destroying the vacuum degree, affecting the evaporation temperature difference and productivity. SUMMARY

[0004] To solve the technical problem that the stirring shaft of the stirring device is easy to bend and causes the mechanical seal to be damaged in the prior art, the present application provides a stirring shaft positioning and reinforcing tool, which solves the above technical problems.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The utility model provides a kind of stirring shaft positioning reinforcing tool, it includes: positioning section, the positioning section is formed by the part of the original mechanism on the outer end surface of stirring shaft lengthening protruding in stirring device cylinder;Positioning frame, the positioning frame is fixed on the outer end surface of stirring device cylinder;Bearing positioning assembly, the bearing positioning assembly includes the positioning support fixed on the positioning frame and the two positioning bearings configured in the support, the positioning support and the positioning bearing are all set on the positioning section to position and reinforce stirring shaft.

[0007] Further, the diameter of the positioning section is less than the diameter of the shaft body section of the stirring shaft.

[0008] Further, the positioning frame is fixedly connected with the mounting frame where the original rotating bearing assembly of the stirring device is located.

[0009] Further, a through positioning hole is formed on the positioning support, the positioning hole is matched with the positioning section gap, two ends of the positioning hole are formed with mounting grooves with outer diameter expansion, the mounting grooves are assembled with the positioning bearing, and the positioning bearing is assembled on the positioning section.

[0010] Further, a cover plate is arranged on the end face of the positioning support away from the stirring device cylinder, a threaded hole is formed on the end face of the positioning section close to the cover plate, a bolt is assembled in the threaded hole, and the bolt is used for assembling the cover plate on the end face of the positioning support away from the stirring device cylinder.

[0011] Further, steps with outer diameter expansion are further arranged at the mounting grooves of the two ends of the positioning support.

[0012] Based on the above technical scheme, the technical effects that can be achieved by the utility model are as follows:

[0013] The stirring shaft positioning and reinforcing tool can be simply and effectively retrofitted on the stirring device, the bearing positioning assembly fixed on the outer end face of the stirring device cylinder is used for positioning and reinforcing the positioning section after the stirring shaft is lengthened, specifically, the positioning section formed after the stirring shaft is lengthened is assembled on the two positioning bearings, the two positioning bearings increase two positioning and reinforcing points on the outer circumferential surface of the positioning section, that is, the stirring shaft, the bending stress on the stirring shaft is effectively shared, the whole tool structure is simple and easy to retrofit, and the technical problem that the stirring shaft of the stirring device is easily bent to cause the mechanical seal to be damaged in the prior art is solved under the premise of low cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a partial cross-sectional schematic view of the stirring shaft positioning and reinforcing tool of the utility model;

[0015] Fig. 2 It is a schematic view of the stirring shaft positioning and reinforcing tool of the utility model installed on the stirring device cylinder;

[0016] Fig. 3 It is a schematic view of the positioning frame and the mounting frame when the stirring device cylinder is hidden and viewed from the cylinder end to the outside.

[0017] Wherein: 1-stirring shaft, 11-positioning section; 2-positioning frame; 3-bearing positioning assembly, 31-positioning support, 311-positioning hole, 312-step, 32-positioning bearing, 33-cover plate, 34-bolt; 4-rotary bearing assembly, 41-mounting frame; 5-cylinder. DETAILED DESCRIPTION

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] like Figs. 1-3 As shown, this utility model provides a stirring shaft positioning and reinforcement fixture, including a positioning section 11, a positioning frame 2, and a bearing positioning assembly 3. The positioning section 11 is formed by extending the stirring shaft 1 and protruding from the original mechanism on the outer end face of the stirring device cylinder 5. The positioning section 11 can be integrally formed by using a longer shaft body when manufacturing the stirring shaft 1, or it can be welded and extended on the original shaft body section. The positioning frame 2 is fixed on the outer end face of the stirring device cylinder 5. The bearing positioning assembly 3 includes a positioning support 31 fixed on the positioning frame 2 and two positioning bearings 32 arranged in the support. The positioning support 31 and the positioning bearings 32 are both sleeved on the positioning section 11 to position and reinforce the stirring shaft 1.

[0020] This utility model's stirring shaft positioning and reinforcement fixture can be easily and effectively modified on stirring devices. It utilizes a bearing positioning assembly 3 fixed to the outer end face of the stirring device cylinder 5 to position and reinforce the extended positioning section 11 of the stirring shaft 1. Specifically, the extended positioning section 11 of the stirring shaft 1 is mounted on two positioning bearings 32. These bearings add two positioning and reinforcement points to the outer circumferential surface of the positioning section 11, i.e., the stirring shaft 1, effectively distributing the bending stress on the stirring shaft 1. The entire fixture has a simple structure and is easy to modify. Under these low-cost conditions, it solves the technical problem of mechanical seal damage caused by the easy bending of the stirring shaft 1 in existing technologies, reducing the leakage of the mechanical seal, stabilizing the vacuum level, and increasing production capacity. In the field of environmental protection technology, especially in wastewater treatment, it has significant application potential and economic benefits.

[0021] In one specific embodiment of this utility model, the diameter of the positioning section 11 is smaller than the diameter of the shaft body section of the stirring shaft 1.

[0022] In one specific embodiment of this utility model, the positioning frame 2 is fixedly connected to the mounting frame 41 where the original rotary bearing assembly 4 of the stirring device is located, which can be welded or screwed.

[0023] In one specific embodiment of the utility model, the positioning support 31 is provided with a through positioning hole 311, the positioning hole 311 is in clearance fit with the positioning section 11, the two ends of the positioning hole 311 are formed with mounting grooves with expanded inner diameter, the mounting grooves are assembled with positioning bearings 32, and the positioning bearings 32 are assembled on the positioning section 11.

[0024] Further, the positioning support 31 is provided with a cover plate 33 on the end face away from the stirring device cylinder 5, the positioning section 11 is provided with a threaded hole on the end face close to the cover plate 33, the threaded hole is assembled with a bolt 34, the bolt 34 assembles the cover plate 33 on the end face of the positioning support 31 away from the stirring device cylinder 5, and the cover plate 33 can make the assembly of the positioning support 31 and the positioning bearing 32 more firm.

[0025] In one specific embodiment of the utility model, the positioning support 31 is provided with a through positioning hole 311, the positioning hole 311 is in clearance fit with the positioning section 11, the two ends of the positioning hole 311 are formed with mounting grooves with expanded inner diameter, the mounting grooves are assembled with positioning bearings 32, and the positioning bearings 32 are assembled on the positioning section 11.

[0026] It should be understood that the specific embodiments described above are only used to explain the utility model and are not used to limit the utility model. The obvious changes or changes derived from the spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A tooling for positioning and reinforcing a stirring shaft, characterized in that, include: The positioning section (11) is formed by extending the stirring shaft (1) and protruding from the original mechanism on the outer end face of the stirring device cylinder (5); Positioning frame (2), which is fixed on the outer end face of the stirring device cylinder (5); The bearing positioning assembly (3) includes a positioning support (31) fixed on the positioning frame (2) and two positioning bearings (32) disposed in the support. The positioning support (31) and the positioning bearings (32) are both sleeved on the positioning section (11) to position and reinforce the stirring shaft (1).

2. The stirring shaft positioning and reinforcement fixture according to claim 1, characterized in that, The diameter of the positioning section (11) is smaller than the diameter of the shaft section of the stirring shaft (1).

3. The stirring shaft positioning and reinforcement fixture according to claim 1, characterized in that, The positioning frame (2) is fixedly connected to the mounting frame (41) where the original rotary bearing assembly (4) of the stirring device is located.

4. The stirring shaft positioning and reinforcement fixture according to claim 1, characterized in that, The positioning support (31) has a through positioning hole (311) that is clearance-fitted with the positioning section (11). The two ends of the positioning hole (311) have mounting grooves with an outwardly expanding inner diameter. The positioning bearing (32) is assembled in the mounting groove and is mounted on the positioning section (11).

5. The stirring shaft positioning and reinforcement fixture according to claim 4, characterized in that, A cover plate (33) is provided on the end face of the positioning support (31) away from the mixing device cylinder (5). A threaded hole is provided on the end face of the positioning section (11) near the cover plate (33). A bolt (34) is installed in the threaded hole. The bolt (34) assembles the cover plate (33) on the end face of the positioning support (31) away from the mixing device cylinder (5).

6. The stirring shaft positioning and reinforcement fixture according to claim 4, characterized in that, The two ends of the positioning support (31) are also provided with steps (312) with an outwardly widening inner diameter at the mounting groove.

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