Left lower protecting cover for half-feeding threshing machine frame

By designing a protective cover body on the semi-feed thresher, the problem of belt slippage or breakage is solved, achieving safety protection and convenient operation, and improving the safety and convenience of the equipment.

CN223568162UActive Publication Date: 2025-11-21JIANGSU WORLD AGRI MACHINERY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422925559.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-21
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing semi-feed threshers lack protective structures, which can lead to belt slippage or breakage, affecting operational safety.

Method used

Design a cover body consisting of a semi-open cover and side cover plates, equipped with a locking knob, positioning connector and rotating support, to achieve safe protection for motor pulley and transmission belt, and to be quickly installed and removed through positioning components.

Benefits of technology

It effectively prevents the belt from falling off or breaking, improves the working safety of the semi-feed thresher, and simplifies the installation and disassembly of the belt.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223568162U_ABST
    Figure CN223568162U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of half-feeding threshers, and discloses a left lower protecting cover for a half-feeding thresher frame, which solves the problem of poor use safety of the existing half-feeding thresher frame, and comprises a protecting cover body consisting of a half-open cover body and a side cover plate, the side cover plate is connected with the semi-open cover body through a plurality of first locking rotary knobs, a positioning connecting base is fixedly arranged on one side of the semi-open cover body and connected with the semi-feeding threshing machine frame through second locking rotary knobs, and a rotating support is fixedly arranged at one end of the side edge of the semi-open cover body. The rotating support is rotationally connected with the semi-feeding threshing rack through a rotating shaft, and a first positioning assembly and a second positioning assembly are arranged on the side, close to the side cover plate, of the semi-open cover body; by means of the left lower protecting cover, a belt can be shielded and protected, workers are prevented from being injured, the use safety is improved, meanwhile, the left lower protecting cover can be conveniently detached, and therefore the belt can be conveniently installed and detached.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of semi-feed threshing machines, specifically a lower left cover for a semi-feed threshing machine frame. Background Technology

[0002] Semi-feed threshers are mainly used for threshing rice. They can improve the convenience of threshing while ensuring the integrity of rice straw, thus facilitating the effective utilization of rice straw.

[0003] Currently used semi-feed threshers are generally driven by a motor to operate the main shaft. The motor is usually detachable to adapt to different equipment. During operation, the pulley on the motor and the pulley on the main shaft of the semi-feed thresher are driven by a belt. To facilitate the installation and removal of the belt, there is usually no protective cover for safety protection. If the belt falls off or breaks during operation, it can easily cause injury to on-site personnel and affect the safety of use. Therefore, this application proposes a lower left cover for the frame of a semi-feed thresher. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a lower left cover for a semi-feeding threshing machine frame, which effectively solves the problem of poor safety in the use of existing semi-feeding threshing machine frames.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a lower left cover for a semi-feeding threshing machine frame, comprising a cover body, the cover body being composed of a semi-open cover and a side cover plate, the side cover plate being connected to the semi-open cover via several locking knobs, a positioning connecting seat being fixedly provided on one side of the semi-open cover, the positioning connecting seat being connected to the semi-feeding threshing machine frame via locking knobs, a rotating support being fixedly provided at one end of the side of the semi-open cover, the rotating support being rotatably connected to the semi-feeding threshing machine frame via a rotating shaft, and a first positioning component and a second positioning component being provided on the side of the semi-open cover near the side cover plate.

[0006] Preferably, one end of the side of the semi-open cover is provided with an opening groove that matches the main shaft of the semi-feeding thresher.

[0007] Preferably, the side cover plate has an opening slot two that matches the main shaft of the drive motor at the end away from the opening slot one.

[0008] Preferably, the side of the semi-open cover is provided with a number of threaded holes that match the locking knob, and the side cover is provided with a number of through holes that match the locking knob and the threaded holes.

[0009] Preferably, a rubber strip matching the side cover plate is fixedly provided on the side of the semi-open cover near the side cover plate.

[0010] Preferably, the first positioning component consists of a flat-mouth positioning plate one and a flat-mouth positioning plate two. Both the flat-mouth positioning plate one and the flat-mouth positioning plate two are welded to the semi-open cover. The port positions on adjacent sides of the flat-mouth positioning plate one and the flat-mouth positioning plate two are chamfered.

[0011] Preferably, the second positioning component consists of an arc-shaped positioning plate one and an arc-shaped positioning plate two. Both arc-shaped positioning plate one and arc-shaped positioning plate two are welded to the semi-open cover. The port positions on adjacent sides of arc-shaped positioning plate one and arc-shaped positioning plate two are chamfered.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) In operation, by setting up a protective cover body consisting of a semi-open cover and a side cover plate, it is possible to protect the motor pulley, the semi-feed thresher pulley and the transmission belt, and prevent the belt from falling off or breaking and causing injury to the workers, thus effectively improving the safety of the semi-feed thresher during operation.

[0014] (2) By setting a positioning connecting seat, locking knob one, locking knob two, rotating support, rotating shaft, threaded hole and through hole, it is convenient to install and disassemble the side cover plate, and at the same time, it is convenient to rotate the semi-open cover, which in turn facilitates the installation and disassembly of the belt, improving the convenience of operation. By setting opening slot one and opening slot two, they can be matched with the main shaft of the semi-feeding thresher and the main shaft of the drive motor, respectively. By setting a first positioning component composed of flat positioning plate one and flat positioning plate two and a second positioning component composed of arc positioning plate one and arc positioning plate two, it is possible to quickly position the side cover plate when installing it, which is more convenient for the installation work. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the lower left protective cover structure of the present invention used in a semi-feeding threshing machine frame;

[0018] Figure 2 This is an exploded view of the lower left protective cover of the semi-feeding threshing machine frame of this utility model;

[0019] Figure 3This is a schematic diagram of the semi-open cover structure of this utility model;

[0020] Figure 4 This utility model Figure 3 A magnified view of a section at point A in the middle;

[0021] Figure 5 This utility model Figure 3 A magnified view of a section at point B in the middle;

[0022] Figure 6 This is a schematic diagram of the side cover plate structure of this utility model;

[0023] Figure 7 This is one of the schematic diagrams of the opening and closing structure of the cover body of this utility model;

[0024] Figure 8 This is the second schematic diagram of the opening and closing structure of the cover body of this utility model;

[0025] In the diagram: 1. Cover body; 2. Semi-open cover; 3. Side cover plate; 4. Locking knob one; 5. Positioning connecting seat; 6. Locking knob two; 7. Rotating support; 8. Rotating shaft; 9. First positioning component; 10. Second positioning component; 11. Opening slot one; 12. Opening slot two; 13. Threaded hole; 14. Through hole; 15. Rubber strip; 16. Flat-mouth positioning plate one; 17. Flat-mouth positioning plate two; 18. Arc-shaped positioning plate one; 19. Arc-shaped positioning plate two. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. 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 protection scope of the present utility model.

[0027] Depend on Figures 1 to 8 The present invention provides a lower left cover for a semi-feeding threshing machine frame, comprising a cover body 1, which is composed of a semi-open cover 2 and a side cover plate 3. The side cover plate 3 is connected to the semi-open cover 2 by several locking knobs 4. A positioning connecting seat 5 is fixedly provided on one side of the semi-open cover 2. The positioning connecting seat 5 is connected to the semi-feeding threshing machine frame by locking knobs 6. A rotating support 7 is fixedly provided at one end of the side of the semi-open cover 2. The rotating support 7 is rotatably connected to the semi-feeding threshing machine frame by a rotating shaft 8. A first positioning component 9 and a second positioning component 10 are provided on the side of the semi-open cover 2 near the side cover plate 3.

[0028] The semi-open cover 2 and side cover 3 can provide safety protection for the pulleys, motor pulleys and transmission belts of the semi-feed thresher, preventing the belts from falling off or breaking and causing injury to the workers. The locking knob 4 can connect and fix the semi-open cover 2 and side cover 3. The rotating support 7 and rotating shaft 8 can rotate and adjust the semi-open cover 2, which facilitates the installation and removal of the belt.

[0029] Depend on Figures 2 to 8 As shown, one end of the side of the semi-open cover 2 is provided with an opening groove 11 that matches the main shaft of the semi-feeding thresher, and the end of the side cover plate 3 away from the opening groove 11 is provided with an opening groove 12 that matches the main shaft of the drive motor. The side of the semi-open cover 2 is provided with several threaded holes 13 that match the locking knob 4. The side cover plate 3 is provided with several through holes 14 that match the locking knob 4 and the threaded holes 13. A rubber strip 15 that matches the side cover plate 3 is fixedly provided on the side of the semi-open cover 2 near the side cover plate 3.

[0030] The first opening slot 11 can be matched with the main shaft of the semi-feed thresher, the second opening slot 12 can be matched with the main shaft of the drive motor, the threaded hole 13 and the through hole 14 can be matched with the locking knob 14, and the rubber strip 15 can improve the stability of the connection between the side cover plate 3 and the semi-open cover 2.

[0031] Depend on Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 and Figure 8 As shown, the first positioning component 9 is composed of a flat-mouth positioning plate 16 and a flat-mouth positioning plate 27. Both the flat-mouth positioning plate 16 and the flat-mouth positioning plate 217 are welded to the semi-open cover 2. The port positions on the adjacent sides of the flat-mouth positioning plate 16 and the flat-mouth positioning plate 217 are chamfered. The second positioning component 10 is composed of an arc-shaped positioning plate 18 and an arc-shaped positioning plate 29. Both the arc-shaped positioning plate 18 and the arc-shaped positioning plate 219 are welded to the semi-open cover 2. The port positions on the adjacent sides of the arc-shaped positioning plate 18 and the arc-shaped positioning plate 219 are chamfered.

[0032] When installing the side cover plate 3, the side edge of the side cover plate 3 is inserted between the flat positioning plate 16 and the flat positioning plate 2 17, and one end of the side cover plate 3 is inserted between the arc-shaped positioning plate 18 and the arc-shaped positioning plate 2 19, thereby enabling the side cover plate 3 to be quickly and accurately positioned and improving the speed of installation.

[0033] During operation, the protective cover body, consisting of a semi-open hood and side cover plates, provides safety protection for the motor pulley, the semi-feed thresher pulley, and the transmission belt, preventing belt slippage or breakage that could injure workers and effectively improving the safety of the semi-feed thresher during operation. The installation and removal of the side cover plates are facilitated by the positioning connecting seat, locking knob one, locking knob two, rotating support, rotating shaft, threaded holes, and through holes. Simultaneously, the semi-open hood can be rotated, further facilitating belt installation and removal, thus improving operational convenience. Opening slots one and two can be matched with the main shaft of the semi-feed thresher and the main shaft of the drive motor, respectively. The first positioning component, consisting of a flat positioning plate one and a flat positioning plate two, and the second positioning component, consisting of an arc-shaped positioning plate one and an arc-shaped positioning plate two, enable rapid positioning of the side cover plates during installation, further facilitating the installation process.

Claims

1. A lower left cover for a semi-feed threshing machine frame, comprising a cover body (1), characterized in that: The cover body (1) is composed of a semi-open cover (2) and a side cover plate (3). The side cover plate (3) and the semi-open cover (2) are connected by several locking knobs (4). A positioning connection seat (5) is fixedly provided on one side of the semi-open cover (2). The positioning connection seat (5) is connected to the semi-feeding threshing machine frame through locking knobs (6). A rotating support (7) is fixedly provided at one end of the side of the semi-open cover (2). The rotating support (7) is rotatably connected to the semi-feeding threshing machine frame through a rotating shaft (8). A first positioning component (9) and a second positioning component (10) are provided on the side of the semi-open cover (2) near the side cover plate (3).

2. The lower left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: One end of the side of the semi-open cover (2) is provided with an opening groove (11) that matches the main shaft of the semi-feeding thresher.

3. The lower left cover for a semi-feed threshing machine frame according to claim 2, characterized in that: The side cover plate (3) has an opening slot two (12) that matches the main shaft of the drive motor at one end away from the opening slot one (11).

4. The lower left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: The semi-open cover (2) has several threaded holes (13) on its side that match the locking knob (4), and the side cover plate (3) has several through holes (14) that match the locking knob (4) and the threaded holes (13).

5. The lower left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: A rubber strip (15) matching the side cover plate (3) is fixedly installed on the side of the semi-open cover (2) near the side cover plate (3).

6. The lower left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: The first positioning component (9) is composed of a flat-mouth positioning plate one (16) and a flat-mouth positioning plate two (17). Both the flat-mouth positioning plate one (16) and the flat-mouth positioning plate two (17) are welded to the semi-open cover (2). The port positions on the adjacent side of the flat-mouth positioning plate one (16) and the flat-mouth positioning plate two (17) are all chamfered.

7. The lower left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: The second positioning component (10) is composed of an arc-shaped positioning plate one (18) and an arc-shaped positioning plate two (19). Both the arc-shaped positioning plate one (18) and the arc-shaped positioning plate two (19) are welded to the semi-open cover (2). The port positions on the adjacent side of the arc-shaped positioning plate one (18) and the arc-shaped positioning plate two (19) are chamfered.