Safety protection structure of shaftless screw conveyor

By designing safety protection structures for shaftless screw conveyors, including supporting tables, protective side plates and protective baffles, the safety hazards of shaftless screw conveyors when used in sewage treatment plants are solved, and the safety of operation and maintenance is significantly improved.

CN222780933UActive Publication Date: 2025-04-22CHONGQING MUNICIPAL DRAINAGE
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Patent Information

Application Number
CN202421701843.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-04-22
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

When axle-free screw conveyor is used in sewage treatment plants, due to the lack of effective protective structure, it is easy for people to be involved in the conveyor due to mistakes during operation, resulting in safety accidents.

Method used

A safety protection structure is designed, including supporting tables, protective side panels, protective baffles, control switches and other components. Through the synergy of these components, effective protection against shaftless screw conveyors is provided to avoid accidental touches by people and tools being involved.

Benefits of technology

It effectively improves the safety of personnel operations, prevents safety accidents caused by mistakes, and facilitates maintenance and maintenance of shaftless screw conveyors, greatly improving the safety of maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The safety protection structure of the shaftless screw conveyor comprises a supporting table, a shaftless screw conveyor body is fixedly installed at the middle end of the top of the supporting table, and protection side plates are fixedly connected to the two ends of the top of the shaftless screw conveyor body. The upper end of the left side of the shaftless spiral conveyor body is movably connected with a protective baffle through a bearing. According to the shaftless screw conveyor, the protective baffle and the protective side plates are arranged, so that the upper portion of the shaftless screw conveyor body can be effectively protected, and safety accidents caused by the fact that tools or arms stretch into the shaftless screw conveyor body due to errors in the working process of personnel are avoided; the shaftless screw conveyor effectively improves the operation safety of personnel, and through the arrangement of a driving motor, a screw rod, a fixed box, a movable plate, a movable rod, a push rod and a protective baffle, the personnel can conveniently carry out overhaul and maintenance operation on the shaftless screw conveyor body.
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Description

Technical Field

[0001] The utility model relates to the technical field of shaftless screw conveyors, in particular to a safety protection structure for shaftless screw conveyors. Background Art

[0002] Compared with traditional shafted screw conveyors, shaftless screw conveyors have the following outstanding advantages due to their centerless design and the use of an integral steel screw with a certain degree of flexibility to push materials: strong anti-entanglement. Currently, in the sewage treatment process, the sludge is dehydrated from the press and then transported into the shaftless screw conveyor. However, shaftless screw conveyors are often installed in a lower position during use in sewage treatment plants, and due to the lack of a good protective structure above, when personnel are removing slag, tools, arms or personnel may be involved due to mistakes or falls, causing serious safety accidents, thereby affecting the overall safety of use. Utility Model Content

[0003] The utility model aims to provide a safety protection structure for a shaftless screw conveyor, which has the advantages of a good protection structure and effectively improves the safety of personnel operation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection structure for a shaftless screw conveyor, comprising a support platform, a shaftless screw conveyor body is fixedly installed on the middle end of the top of the support platform, both ends of the top of the shaftless screw conveyor body are fixedly connected with protective side plates, the upper end of the left side of the shaftless screw conveyor body is movably connected with a protective baffle through a bearing, a control switch is fixedly installed on the middle end of the left side of the outer surface of the support platform, a fixed block is fixedly connected to the middle end of the left side of the inner cavity of the support platform, the left end of the top of the support platform is movably connected with a vertical pole, and the bottom of the vertical pole is fixedly connected with an L-shaped fixing plate The bottom of the L-shaped fixing plate is fixedly connected with a protective cover, and a supporting spring is fixedly connected between the right end of the L-shaped fixing plate and the top of the fixing block. The lower end of the left side of the inner cavity of the support platform is fixedly connected with a fixing box, and a driving motor is fixedly installed at the middle end of the top of the outer surface of the fixing box. A screw is fixedly installed at the output end of the driving motor, and the bottom of the screw is movably connected to the middle end of the bottom of the inner cavity of the fixing box through a bearing, and the upper end of the screw is threadedly connected with a moving plate, and both ends of the top of the moving plate are fixedly connected with moving rods, and a push rod is movably connected between the upper end of the moving rod and the left side of the protective baffle through a bearing.

[0005] As a preferred solution, a material guide frame is fixedly connected to the right end of the top of the shaftless screw conveyor body, and support rods are fixedly connected between the two ends of the bottom of the material guide frame and the two ends of the right side of the outer surface of the support platform.

[0006] As a preferred solution, both ends of the protective baffle are fixedly connected to a first transparent observation plate, and the middle end of the protective side plate is fixedly connected to a second transparent observation plate.

[0007] As a preferred solution, the upper end of the left side of the support platform is fixedly connected to a sliding rod, and the left end of the L-shaped fixing plate is movably connected to the surface of the sliding rod.

[0008] As a preferred solution, the lower end of the moving rod is fixedly connected to a reinforcing diagonal rod, and the bottom of the reinforcing diagonal rod is fixedly connected to the top of the moving plate.

[0009] As a preferred solution, both ends of the inner cavity of the fixed box are fixedly connected with guide rods, and the surface of the movable plate is movably connected to the surface of the guide rods.

[0010] As a preferred solution, a receiving slot is provided at the left end of the top of the support platform, the number of the receiving slots is two, and the upper end of the moving rod is movably connected to the surface of the receiving slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model can provide effective safety protection for the top of the shaftless screw conveyor body through the provision of protective baffles and protective side plates, so as to prevent safety accidents caused by tools or arms extending into the interior of the shaftless screw conveyor body due to mistakes during work, and effectively improve the safety of personnel operation. Through the provision of drive motors, screws, fixed boxes, movable plates, movable rods, push rods and protective baffles, it is convenient for personnel to carry out inspection and maintenance operations on the shaftless screw conveyor body. At the same time, under the cooperation between the protective baffles, vertical rods, L-shaped fixed plates, protective covers, fixed blocks, support springs, support platforms and control switches, it is effectively prevented that when personnel carry out inspection and maintenance operations on the shaftless screw conveyor body, the control switch is accidentally touched by personnel, causing the shaftless screw conveyor body to work and cause injuries to personnel, thereby greatly improving the safety of personnel inspection and maintenance operations and facilitating use by personnel.

[0013] 2. The utility model facilitates the introduction of the sludge discharged by the press into the interior of the shaftless screw conveyor body by setting a material guide frame, and achieves the purpose of strengthening the support of the material guide frame by setting the support rod, and avoids the material guide frame from tilting due to force, and facilitates personnel to observe the mud discharge state inside the shaftless screw conveyor body by setting the first transparent observation plate and the second transparent observation plate, and achieves the purpose of guiding the L-shaped fixed plate by setting the sliding rod, and avoids the L-shaped fixed plate from tilting during movement, and effectively improves the strength of the connection between the moving rod and the moving plate by strengthening the setting of the oblique rod, and achieves the purpose of guiding the moving plate by setting the guide rod, and avoids the moving plate from tilting during movement, and facilitates the accommodation of the upper end of the moving rod by setting the accommodating through groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a three-dimensional diagram from another perspective of the present invention;

[0016] Figure 3 It is a partial cross-sectional structural diagram of the right side of the support platform of the utility model;

[0017] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the fixed box of the utility model.

[0018] In the figure: 1. support platform; 2. shaftless screw conveyor body; 3. control switch; 4. protective cover; 5. L-shaped fixing plate; 6. moving rod; 7. push rod; 8. protective baffle; 9. protective side plate; 10. first transparent observation plate; 11. second transparent observation plate; 12. support rod; 13. material guide frame; 14. vertical rod; 15. accommodating through groove; 16. supporting spring; 17. sliding rod; 18. fixing block; 19. fixing box; 20. driving motor; 21. reinforcing diagonal rod; 22. moving plate; 23. guide rod; 24. screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0021] Embodiment 1:

[0022] See also Figure 1-Figure 4 As shown, the utility model provides a safety protection structure for a shaftless screw conveyor, including a support platform 1, a shaftless screw conveyor body 2 is fixedly installed at the middle end of the top of the support platform 1, both ends of the top of the shaftless screw conveyor body 2 are fixedly connected with protective side plates 9, the upper end of the left side of the shaftless screw conveyor body 2 is movably connected with a protective baffle 8 through a bearing, a control switch 3 is fixedly installed at the middle end of the left side of the outer surface of the support platform 1, a fixed block 18 is fixedly connected to the middle end of the left side of the inner cavity of the support platform 1, a vertical rod 14 is movably connected to the left end of the top of the support platform 1, an L-shaped fixed plate 5 is fixedly connected to the bottom of the vertical rod 14, and the bottom of the L-shaped fixed plate 5 is fixedly connected to the bottom of the L-shaped fixed plate 5. A protective cover 4 is fixedly connected, a support spring 16 is fixedly connected between the right end of the L-shaped fixed plate 5 and the top of the fixed block 18, a fixed box 19 is fixedly connected to the lower end of the left side of the inner cavity of the support platform 1, a driving motor 20 is fixedly installed at the middle end of the top of the outer surface of the fixed box 19, a screw 24 is fixedly installed at the output end of the driving motor 20, the bottom of the screw 24 is movably connected to the middle end of the bottom of the inner cavity of the fixed box 19 through a bearing, the upper end of the screw 24 is threadedly connected to a moving plate 22, both ends of the top of the moving plate 22 are fixedly connected to a moving rod 6, and a push rod 7 is movably connected between the upper end of the moving rod 6 and the left side of the protective baffle 8 through a bearing.

[0023] In the present technical scheme, by setting the protective baffle 8 and the protective side plate 9, the upper part of the shaftless screw conveyor body 2 can be effectively protected, so as to prevent the tools or arms from being inserted into the interior of the shaftless screw conveyor body 2 due to mistakes during the work process and causing safety accidents, thereby effectively improving the safety of personnel operation. By setting the driving motor 20, the screw 24, the fixed box 19, the movable plate 22, the movable rod 6, the push rod 7 and the protective baffle 8, it is convenient for personnel to carry out inspection and maintenance operations on the shaftless screw conveyor body 2. At the same time, under the cooperation between the protective baffle 8, the vertical pole 14, the L-shaped fixed plate 5, the protective cover 4, the fixed block 18, the support spring 16, the support platform 1 and the control switch 3, it is effectively prevented that when the personnel are carrying out inspection and maintenance operations on the shaftless screw conveyor body 2, the control switch 3 is accidentally touched by the personnel, causing the shaftless screw conveyor body 2 to work and cause injuries to the personnel, thereby greatly improving the safety of the personnel's inspection and maintenance operations and facilitating the use of the personnel.

[0024] Embodiment 2:

[0025] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 4 As shown, a material guide frame 13 is fixedly connected to the right end of the top of the shaftless screw conveyor body 2, support rods 12 are fixedly connected between the two ends of the bottom of the material guide frame 13 and the two ends of the right side of the outer surface of the support platform 1, the two ends of the protective baffle 8 are fixedly connected to the first transparent observation plate 10, the middle end of the protective side plate 9 is fixedly connected to the second transparent observation plate 11, the upper end of the left side of the support platform 1 is fixedly connected to the slide bar 17, the left end of the L-shaped fixed plate 5 is movably connected to the surface of the slide bar 17, the lower end of the moving rod 6 is fixedly connected to the reinforcing oblique rod 21, the bottom of the reinforcing oblique rod 21 is fixedly connected to the top of the moving plate 22, the two ends of the inner cavity of the fixed box 19 are fixedly connected to the guide rods 23, the surface of the moving plate 22 is movably connected to the surface of the guide rod 23, and a accommodating through groove 15 is opened at the left end of the top of the support platform 1. The number of the accommodating through grooves 15 is two, and the upper end of the moving rod 6 is movably connected to the surface of the accommodating through groove 15.

[0026] In the present technical scheme, the provision of the material guide frame 13 facilitates the introduction of the sludge discharged from the press into the interior of the shaftless screw conveyor body 2. The provision of the support rod 12 achieves the purpose of strengthening the support of the material guide frame 13 and preventing the material guide frame 13 from tilting due to force. The provision of the first transparent observation plate 10 and the second transparent observation plate 11 facilitates personnel to observe the mud discharge state inside the shaftless screw conveyor body 2. The provision of the slide rod 17 achieves the purpose of guiding the L-shaped fixed plate 5 and preventing the L-shaped fixed plate 5 from tilting during movement. The provision of the strengthening diagonal rod 21 effectively improves the strength of the connection between the moving rod 6 and the moving plate 22. The provision of the guide rod 23 achieves the purpose of guiding the moving plate 22 and preventing the moving plate 22 from tilting during movement. The provision of the accommodating through groove 15 facilitates the accommodation of the upper end of the moving rod 6.

[0027] The working principle of the utility model is as follows: through the setting of the protective baffle plate 8 and the protective side plate 9, the upper part of the shaftless screw conveyor body 2 can be effectively protected, so as to avoid safety accidents caused by tools or arms extending into the interior of the shaftless screw conveyor body 2 due to mistakes during work, and effectively improve the safety of personnel operation. At the same time, when the personnel need to inspect and maintain the interior of the shaftless screw conveyor body 2 during shutdown, the screw 24 can be driven to rotate along the bearing on the fixed box 19 by starting the drive motor 20. The rotation of the screw 24 drives the moving plate 22 and the moving rod 6 to move downward. At the same time, the moving rod 6 can drive the protective baffle plate 8 to rotate along the bearing on the shaftless screw conveyor body 2 through the push rod 7, so that the protective baffle plate 8 can be moved from the shaftless screw conveyor body 2. The left side of the screw conveyor body 2 is opened, so that it is convenient for personnel to carry out inspection and maintenance work on the shaftless screw conveyor body 2. At the same time, during the rotation of the protective baffle 8, it can contact the vertical rod 14 and push the vertical rod 14 to move downward. The movement of the vertical rod 14 can drive the L-shaped fixing plate 5 and the protective cover 4 to move, so that the L-shaped fixing plate 5 can compress the supporting spring 16 on the fixed block 18, until the protective cover 4 can shield and protect the surrounding area of ​​the control switch 3 on the left side of the support platform 1 under the action of movement, thereby effectively avoiding the accidental touching of the control switch 3 by personnel when carrying out inspection and maintenance work on the shaftless screw conveyor body 2, causing the shaftless screw conveyor body 2 to work and cause injuries to personnel, thereby greatly improving the safety of personnel's inspection and maintenance work and facilitating personnel to use.

[0028] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0029] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A safety protection structure for a shaftless screw conveyor, comprising a support platform (1), characterized in that: A shaftless screw conveyor body (2) is fixedly installed at the middle end of the top of the support platform (1), and both ends of the top of the shaftless screw conveyor body (2) are fixedly connected to protective side plates (9). The upper end of the left side of the shaftless screw conveyor body (2) is movably connected to a protective baffle (8) through a bearing. A control switch (3) is fixedly installed at the middle end of the left side of the outer surface of the support platform (1), and a fixed block (18) is fixedly connected to the middle end of the left side of the inner cavity of the support platform (1). The left end of the top of the support platform (1) is movably connected to a vertical pole (14), and the bottom of the vertical pole (14) is fixedly connected to an L-shaped fixed plate (5), and the bottom of the L-shaped fixed plate (5) is fixedly connected to a protective cover (4). The L-shaped fixed plate (5) is fixedly connected to the bottom of the L-shaped fixed plate (5). ) is fixedly connected with a support spring (16) between the right end of the support platform (1) and the top of the fixed block (18); the lower end of the left side of the inner cavity of the support platform (1) is fixedly connected with a fixed box (19); the middle end of the top of the outer surface of the fixed box (19) is fixedly installed with a drive motor (20); the output end of the drive motor (20) is fixedly installed with a screw rod (24); the bottom of the screw rod (24) is movably connected to the middle end of the bottom of the inner cavity of the fixed box (19) through a bearing; the upper end of the screw rod (24) is threadedly connected with a moving plate (22); the two ends of the top of the moving plate (22) are fixedly connected with a moving rod (6); the upper end of the moving rod (6) is movably connected with a push rod (7) between the left side of the protective baffle (8) through a bearing.

2. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: The right end of the top of the shaftless screw conveyor body (2) is fixedly connected to a material guide frame (13), and support rods (12) are fixedly connected between the two ends of the bottom of the material guide frame (13) and the two ends on the right side of the outer surface of the support platform (1).

3. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: Both ends of the protective baffle (8) are fixedly connected to a first transparent observation plate (10), and the middle end of the protective side plate (9) is fixedly connected to a second transparent observation plate (11).

4. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: The upper end of the left side of the support platform (1) is fixedly connected to a slide bar (17), and the left end of the L-shaped fixing plate (5) is movably connected to the surface of the slide bar (17).

5. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: The lower end of the moving rod (6) is fixedly connected to a reinforcing diagonal rod (21), and the bottom of the reinforcing diagonal rod (21) is fixedly connected to the top of the moving plate (22).

6. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: Both ends of the inner cavity of the fixed box (19) are fixedly connected to guide rods (23), and the surface of the movable plate (22) is movably connected to the surface of the guide rods (23).

7. The safety protection structure of the shaftless screw conveyor according to claim 1 is characterized in that: A receiving slot (15) is provided at the left end of the top of the support platform (1), and the number of the receiving slots (15) is two. The upper end of the moving rod (6) is movably connected to the surface of the receiving slot (15).