Screw shaft of stacked screw sludge dewatering machine
By designing a split-structure screw press sludge dewatering machine screw shaft, convenient disassembly and low-cost maintenance are achieved through rotation, splicing, and elastic insertion, solving the problem of cumbersome operation of traditional whole-machine replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-10
AI Technical Summary
The screw shaft of the existing screw press sludge dewatering machine is a fixed integrated structure, which makes the disassembly and replacement operation cumbersome and laborious and increases maintenance costs.
A screw shaft for a screw press sludge dewatering machine is designed. It uses components such as mounting bracket, central shaft, notch and mounting base. The screw shaft can be integrated and disassembled by rotation, splicing and combination. Combined with the elastic force of slide groove, positioning rod and compression spring, it can be quickly plugged in and assembled.
It improves the ease of disassembly and assembly and the flexibility of maintenance of the screw shaft, reduces maintenance costs, and simplifies the replacement process for partial damage.
Smart Images

Figure CN223980368U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water treatment technical field, concretely relates to a spiral shaft of laminated spiral sludge dewatering machine. BACKGROUND
[0002] Sludge dewatering machine is a kind of equipment to separate sludge and water, and there are many types of sludge dewatering machines, among which the laminated spiral sludge dewatering machine is widely used. The laminated spiral sludge dewatering machine is widely used in water treatment in municipal, petrochemical, light industry, chemical fiber, papermaking, pharmaceutical and leather industries, and the spiral shaft is one of the important components for sludge dewatering.
[0003] At present, when the spiral shaft is used, there is a lack of split structure. Usually, the spiral shaft of the laminated spiral sludge dewatering machine is a fixed integral structure. When the spiral blade of the spiral shaft is damaged, in order to ensure the dewatering quality and effect of the sludge, the spiral shaft needs to be replaced as a whole. However, due to the limited space inside the laminated spiral sludge dewatering machine, the actual operation is relatively cumbersome and laborious. Moreover, the whole replacement method can also increase the maintenance cost of the laminated spiral sludge dewatering machine in the later period. Therefore, a spiral shaft of a laminated spiral sludge dewatering machine is proposed to increase the auxiliary split structure, realize the integration and disassembly of the spiral shaft by means of rotation, splicing and combination, improve the flexibility of disassembly and maintenance of the spiral shaft, and facilitate the replacement of the damaged position, which is conducive to reducing the maintenance difficulty and cost, thereby improving the use effect. SUMMARY
[0004] In view of the problems in the prior art, the utility model provides a spiral shaft of a laminated spiral sludge dewatering machine to realize the integration and disassembly of the spiral shaft by means of rotation, splicing and combination, thereby improving the use effect.
[0005] The utility model solves the technical problems by adopting the technical scheme of a spiral shaft of a laminated spiral sludge dewatering machine, which comprises a mounting frame, a shaft body assembly and spiral blades, the mounting frames are provided with the shaft body assembly, and the periphery of the shaft body assembly is provided with the spiral blades.
[0006] The shaft body assembly comprises a central shaft, and the spiral blades are connected to the central shaft by bolts. The surface of the central shaft is provided with a notch. One end of the central shaft is connected to a mounting seat by a bolt, and the central shaft is rotatably connected to the mounting frame by the mounting seat.
[0007] By adopting the above technical scheme, the mounting frame, the central shaft, the notch and the mounting seat can increase the auxiliary split structure, realize the integration and disassembly of the spiral shaft by means of rotation, splicing and combination, improve the convenience of operation during disassembly and maintenance of the spiral shaft, and greatly reduce the maintenance cost of the damaged spiral shaft in the later period by means of local replacement.
[0008] Specific, the inner side of the one end of the center shaft is provided with a sliding slot, the sliding slot is sleeved with a positioning rod, and the inner side of the sliding slot is provided with a compression spring through a spring seat.
[0009] By adopting the above technical scheme, the sliding slot, the positioning rod and the compression spring can be quickly inserted and combined by using elastic force, thereby improving the convenience of combination of the shaft assembly.
[0010] Specifically, one side of the mounting frame is rotatably connected with a rotating seat through a bearing, and the mounting seat is rotatably connected with the rotating seat through a damping rotating shaft.
[0011] By adopting the above technical scheme, the rotating seat is rotatably connected with the mounting seat.
[0012] Specifically, the inner side of the other end of the center shaft is provided with a through groove corresponding to the positioning rod, and the other end of the center shaft is provided with a sealing plug in the through groove.
[0013] By adopting the above technical scheme, the through groove is convenient for positioning by inserting the positioning rod, and the sealing plug is convenient for sealing and protecting the through groove.
[0014] Specifically, the outer side of the mounting frame is connected with a driving motor through bolts, and the driving motor is connected with the rotating seat through a driving shaft.
[0015] By adopting the above technical scheme, the driving motor is convenient for driving the rotating seat and the shaft assembly to work.
[0016] The beneficial effects of the utility model are as follows:
[0017] The spiral shaft of the stacked spiral sludge dewatering machine has the mounting frame, the center shaft, the notch and the mounting seat, which can increase the auxiliary split structure, realize the integration and splitting of the spiral shaft by using the rotating, splicing and combination, improve the convenience of operation during disassembly and assembly of the spiral shaft, and greatly reduce the maintenance cost of the damaged spiral shaft in the later period by using the local disassembly and replacement.
[0018] The spiral shaft of the stacked spiral sludge dewatering machine has the center shaft, the sliding slot, the positioning rod and the compression spring, which can increase the quick disassembly mechanism, realize the disassembly and combination of the spiral shaft by using the sliding and insertion generated by the elastic force, and has the advantages of simple structure, low cost and reasonable and convenient use. DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and examples.
[0020] Figure 1 It is the whole structure schematic view of the utility model;
[0021] Figure 2The utility model discloses a shaft body assembly structure schematic view.
[0022] Figure 3 The utility model discloses a center shaft sectional structure schematic view.
[0023] In the drawing: 1, mounting frame, 101, rotating seat, 2, shaft body assembly, 201, center shaft, 202, recess, 203, mounting seat, 204, sliding slot, 205, positioning rod, 206, compression spring, 207, through slot, 208, sealing plug, 3, spiral blade, 4, driving motor. DETAILED DESCRIPTION
[0024] In order to make the technical means, creation features, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.
[0025] In order to facilitate the integration and disassembly of the spiral shaft by means of rotation, splicing and combination, thereby improving the use effect, as shown in Figures 1-3 The utility model discloses a spiral shaft of a spiral sludge dewatering machine, which comprises a mounting frame 1, a shaft body assembly 2 and a spiral blade 3.
[0026] The shaft body assembly 2 comprises a center shaft 201, and the spiral blade 3 is connected to the center shaft 201 through bolts; the surface of the center shaft 201 is provided with a recess 202; one end of the center shaft 201 is connected to a mounting seat 203 through bolts; and the center shaft 201 is rotatably connected to the mounting frame 1 through the mounting seat 203.
[0027] In use, the mounting frame 1, the center shaft 201, the recess 202 and the mounting seat 203 can increase the auxiliary split structure, the integration and disassembly of the spiral shaft can be realized by means of rotation, splicing and combination, the convenience of operation of the spiral shaft during disassembly and assembly can be improved, and the maintenance cost of the spiral shaft damage in the later period can be greatly reduced by means of partial replacement.
[0028] In order to improve the convenience of combination, as shown in Figure 1 , Figure 3 The utility model discloses a spiral shaft of a spiral sludge dewatering machine, which comprises a mounting frame 1, a shaft body assembly 2 and a spiral blade 3.
[0029] In use, the mounting frame 1, the center shaft 201, the recess 202 and the mounting seat 203 can increase the auxiliary split structure, the integration and disassembly of the spiral shaft can be realized by means of rotation, splicing and combination, the convenience of operation of the spiral shaft during disassembly and assembly can be improved, and the maintenance cost of the spiral shaft damage in the later period can be greatly reduced by means of partial replacement.
[0030] As shown in Figure 1 The utility model further includes, one side of the mounting frame 1 is equipped with rotating seat 101 through bearing, and mounting seat 203 is connected with rotating seat 101 through damping rotation shaft.
[0031] In use, mounting seat 203 is conveniently connected through rotating seat 101.
[0032] As shown in Figure 3 The utility model further includes, the inner side of the other end of center shaft 201 is equipped with the through slot 207 corresponding with positioning rod 205, and sealing plug 208 is arranged in the through slot 207 of the other end of center shaft 201.
[0033] In use, positioning rod 205 is conveniently inserted and positioned through the through slot 207, and the through slot 207 is conveniently sealed and protected through sealing plug 208.
[0034] As shown in Figure 1 The utility model further includes, the outside of the mounting frame 1 is connected with driving motor 4 through bolt, and driving motor 4 is connected with rotating seat 101 through driving shaft.
[0035] In use, rotating seat 101 and shaft body assembly 2 are conveniently driven to work through driving motor 4.
[0036] In use, the operator can first take out sealing plug 208, insert the thimble into the through slot 207, make positioning rod 205 in the through slot 207 be pushed back into the sliding slot 204, can make center shaft 201 overturn to the outside, divide shaft body assembly 2 into two, so that the operator can individually replace the operation and handle the spiral blade 3 of the local damage outside the spiral shaft, it is more convenient and flexible to use, and also can use the use mode of split body, combination, replace the operation of traditional integral replacement, thereby greatly reduce the maintenance cost of spiral shaft later period.
[0037] After the replacement and maintenance operation of shaft body assembly 2 is completed, center shaft 201 can be pushed into mounting frame 1, and positioning rod 205 can be inserted into corresponding through slot 207 for rapid splicing and combination under the elastic force of compression spring 206, the whole structure is simple and easy to operate, and it is more flexible and reliable to use, and has high practical value.
[0038] The basic principle, main features and 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 embodiments, and the above embodiments 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. A screw shaft of a decanter dewaterer, characterized by, Including the mounting frame (1), the axle body assembly (2) and the spiral blade (3), the mounting frame (1) is provided with the axle body assembly (2), the periphery of axle body assembly (2) is provided with spiral blade (3); The axle body assembly (2) includes a center shaft (201), and the spiral blade (3) is connected to the center shaft (201) by bolts, the surface of the center shaft (201) is provided with a notch (202), one end of the center shaft (201) is connected to a mounting seat (203) by bolts, and the center shaft (201) is rotatably connected to the mounting frame (1) by the mounting seat (203).
2. A screw shaft of a decanter centrifuge according to claim 1, characterized in that The inner side of one end of the center shaft (201) is provided with a sliding groove (204), the sliding groove (204) is connected to a positioning rod (205) by sleeving, and the inner side of the positioning rod (205) in the sliding groove (204) is provided with a compression spring (206) by a spring seat.
3. A spiral shaft of a screw decanter sludge dewaterer according to claim 1, characterized in that, One side of the mounting frame (1) is provided with a rotating seat (101) by a bearing, and the mounting seat (203) is rotatably connected to the rotating seat (101) by a damping shaft.
4. A screw shaft of a decanter centrifuge according to claim 2, wherein The inner side of the other end of the center shaft (201) is provided with a through groove (207) corresponding to the positioning rod (205), and the other end of the center shaft (201) is provided with a sealing plug (208) in the through groove (207).
5. A screw shaft for a decanter centrifuge according to claim 3, wherein The outer side of the mounting frame (1) is connected to a driving motor (4) by bolts, and the driving motor (4) is connected to the rotating seat (101) by a driving shaft.