Left upper protecting cover for half-feeding threshing machine frame

Abstract

The utility model relates to the technical field of protective covers, and discloses a left upper protective cover for a semi-feeding threshing machine frame, which solves the problems that the left upper protective cover of the threshing machine frame is usually connected by adopting a bolt, the bolt is fixed by using an external tool for screwing, and the use is very inconvenient, and comprises a support frame, a lower supporting plate is fixedly installed at the top of the supporting frame, a left support is fixedly installed on one side of the top of the lower supporting plate, a right support is fixedly installed on the other side of the lower supporting plate, an upper supporting plate is fixedly installed between the top of the left support and the top of the right support, a left upper protecting cover body is arranged on one side of the left support, and four inserting rods are fixedly installed on one side of the left upper protecting cover body. Four inserting holes are formed in the surface of the left support, the four inserting rods are inserted into the four inserting holes, clamping holes are formed in the ends of the four inserting rods, and a shaft sleeve is fixedly installed in the middle of one side of the left support through a connecting rod; the upper left protective cover of the threshing rack can be fastened without an external tool when being fixedly mounted, and is very convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protective cover, specifically is a left upper protective cover for half feeding threshing frame. BACKGROUND

[0002] The left upper protective cover of half feeding threshing frame is a protective cover specially designed for the left upper part of the half feeding threshing frame. The main function of the left upper protective cover is to protect the left upper part of the threshing frame, prevent it from being impacted, worn or damaged by the outside world during use. By covering the left upper part of the frame, the left upper protective cover also helps to maintain the overall structural stability of the threshing frame, ensuring that the machine can run smoothly. The design of the left upper protective cover can also reduce the safety hazards of the operator when operating the threshing machine, avoiding direct contact with the running part of the machine. With the acceleration of agricultural modernization and the popularization of agricultural mechanization, half feeding threshing machines are increasingly widely used in agricultural production. As one of the important components of the threshing machine, the market demand for the left upper protective cover is also increasing. In the future, with the progress of technology and the improvement of manufacturing process, the design of the left upper protective cover will be more reasonable and the performance will be more superior, providing more reliable and efficient protection for agricultural production. The existing left upper protective cover of the threshing frame is usually connected by bolts, which need to be tightened with external tools during bolt fixation, which is very inconvenient to use. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a left upper protective cover for half feeding threshing frame, which effectively solves the problem that the left upper protective cover of the threshing frame is usually connected by bolts, which need to be tightened with external tools during bolt fixation, which is very inconvenient to use.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a left upper protective cover for half feeding threshing frame, including support frame, the top of support frame is fixedly installed with lower support plate, one side of lower support plate top is fixedly installed with left support, the other side of lower support plate is fixedly installed with right support, the top between left support and right support is fixedly installed with upper support plate, one side of left support is equipped with left upper protective cover body, one side of left upper protective cover body is fixedly installed with four plug rods, the surface of left support is provided with four insertion holes, four plug rods are inserted in the inside of four insertion holes, the end of four plug rods is provided with clamping hole, the middle of one side of left support is fixedly installed with shaft sleeve through connecting rod, the inside of shaft sleeve is rotatably installed with shaft, the bottom of shaft is fixedly installed with hand wheel, the side of left support away from left upper protective cover body is equipped with four clamping rods, the top of shaft is equipped with transmission assembly, transmission assembly is transmission connection with four clamping rods, when shaft rotates, transmission assembly is used for power output to four clamping rods, makes four clamping rods respectively clamping into the inside of four clamping holes and position limiting.

[0005] Preferably, the transmission assembly comprises a driving bevel gear fixedly installed at the top of the shaft, a driven bevel gear meshingly connected to one side of the surface of the driving bevel gear, a rotating rod fixedly installed at the middle of the driven bevel gear, two bearings rotatably installed on the surface of the rotating rod, and the two bearings are fixedly connected to the left support through the fixed rods.

[0006] Preferably, the two ends of the rotating rod are fixedly installed with threaded rods, the surfaces of the two threaded rods are threadedly connected with threaded sleeves, the ends of the two threaded sleeves away from each other are fixedly installed with pushing heads, the two sides of the two pushing heads are tightly attached with inclined blocks, the sides of the two threaded sleeves close to the left support are fixedly installed with sliding strips, and the side of the left support close to the shaft sleeve is provided with two sliding grooves, and the two sliding strips are slidingly installed in the two sliding grooves.

[0007] Preferably, the sides of the inclined blocks close to the inserting rods are fixedly installed with sliding rods, the ends of the surfaces of the sliding rods are sleeved with sliding sleeves, the sides of the four sliding sleeves are fixedly connected with the left support through the supporting rods, the middle portions of the surfaces of the four sliding rods are sleeved with springs, the two ends of the four springs are respectively fixedly connected with the sliding sleeves and the inclined blocks, and the ends of the four sliding rods away from the inclined blocks are respectively fixedly connected with the four clamping rods.

[0008] Compared with the prior art, the utility model has the advantages that when installing, the operator inserts the four inserting rods on the left upper protective cover body into the four insertion holes on the left support, then the operator drives the shaft to rotate in the shaft sleeve through the hand wheel, the shaft drives the driven bevel gear to rotate through the driving bevel gear when rotating, the driven bevel gear drives the rotating rod to rotate in the two bearings when rotating, and the rotating rod drives the two threaded sleeves to move away from each other through the two threaded rods when rotating, the threaded sleeves drive the sliding strips to slide along the interiors of the sliding grooves when moving, and the stability of the two threaded sleeves when moving is improved.

[0009] The two threaded sleeves move away from each other and drive the four inclined blocks to move through the pushing heads, the four inclined blocks drive the sliding rods to slide in the sliding sleeves when moving, and the four springs are simultaneously extruded, so that the four sliding rods have the elastic reset effect while moving stably, the four clamping rods are clamped into the interiors of the four clamping holes when the four sliding rods move, and the installation is quickly completed, the left upper protective cover of the threshing machine frame is fixedly installed without the need of external tools for fastening, and the use is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0010] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0011] In the drawings:

[0012] Figure 1 For the utility model for the left upper protective cover structure diagram of semi-feeding threshing rack Figure 1

[0013] Figure 2 For the utility model for the left upper protective cover structure diagram of semi-feeding threshing rack Figure 2

[0014] Figure 3 For the utility model for the left upper protective cover structure diagram of semi-feeding threshing rack

[0015] Figure 4 For the utility model transmission assembly structure diagram

[0016] Figure 5 For the utility model Figure 4 Transmission assembly enlarged structure diagram

[0017] In the figure: 1, support frame; 2, lower support plate; 3, left support; 4, right support; 5, upper support plate; 6, left upper protective cover body; 7, plug rod; 8, plug hole; 9, clamping hole; 10, clamping rod; 11, hand wheel; 12, shaft sleeve; 13, shaft; 14, driving bevel gear; 15, bearing; 16, rotating rod; 17, driven bevel gear; 18, slide bar; 19, threaded rod; 20, threaded sleeve; 21, pushing head; 22, sliding groove; 23, support rod; 24, inclined block; 25, slide rod; 26, slide sleeve; 27, spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] By Figures 1 to 5 ​​The utility model provides a left upper cover body 6, four plug rods 7, four insertion holes 8, four clamping rods 10, a transmission assembly, four clamping holes 9, a shaft sleeve 12, a shaft 13, a hand wheel 11, four slide rods 25, four slide sleeves 26, four springs 27, four support rods 23, two sliding grooves 22, two bearings 15, a driving bevel gear 14, a driven bevel gear 17 and a rotating rod 16 are arranged, the four clamping rods 10 are fixedly connected with the four clamping holes 9, the transmission assembly is driven to rotate when the shaft 13 rotates, and the four clamping rods 10 are clamped into the four clamping holes 9 for limiting when the transmission assembly rotates, thereby achieving quick installation.

[0020] When installing, the four plug rods 7 on the left upper cover body 6 are inserted into the four insertion holes 8 on the left support 3, then the operator drives the shaft 13 to rotate in the shaft sleeve 12 through the hand wheel 11, the transmission assembly is driven to rotate when the shaft 13 rotates, and the four clamping rods 10 are clamped into the four clamping holes 9 for limiting when the transmission assembly rotates, thereby achieving quick installation.

[0021] The transmission assembly comprises a driving bevel gear 14, the driving bevel gear 14 is fixedly installed at the top of the shaft 13, a driven bevel gear 17 is meshedly connected to one side of the surface of the driving bevel gear 14, a rotating rod 16 is fixedly installed at the middle of the driven bevel gear 17, two bearings 15 are rotatably installed on the surface of the rotating rod 16, the surfaces of the two bearings 15 are fixedly connected with the left support 3 through fixing rods; threaded rods 19 are fixedly installed at both ends of the rotating rod 16, threaded sleeves 20 are threadedly connected to the surfaces of the two threaded rods 19, push heads 21 are fixedly installed at the ends of the two threaded sleeves 20 away from each other, inclined blocks 24 are tightly attached to the two sides of the two push heads 21, slide strips 18 are fixedly installed on the side of the left support 3 close to the rotating rod 16, two sliding grooves 22 are formed on the side of the left support 3 close to the shaft sleeve 12, and the two slide strips 18 are slidingly installed in the two sliding grooves 22; slide rods 25 are fixedly installed on the side of the inclined blocks 24 close to the plug rods 7, slide sleeves 26 are sleeved on one end of the surfaces of the four slide rods 25, the four slide sleeves 26 are fixedly connected with the left support 3 through support rods 23, springs 27 are sleeved on the middle portions of the surfaces of the four slide rods 25, the two ends of the four springs 27 are fixedly connected with the slide sleeves 26 and the inclined blocks 24 respectively, and the ends of the four slide rods 25 away from the inclined blocks 24 are fixedly connected with the four clamping rods 10.

[0022] When the shaft 13 rotates, the driving bevel gear 14 drives the driven bevel gear 17 to rotate, and the driven bevel gear 17 drives the rotating rod 16 to rotate in the two bearings 15, and the rotating rod 16 drives the two threaded sleeves 20 to move backward through the two threaded rods 19, and the threaded sleeves 20 drive the sliding bars 18 to slide in the sliding grooves 22, thereby increasing the stability of the two threaded sleeves 20, and the two threaded sleeves 20 drive the four inclined blocks 24 to move through the pushing heads 21, and the four inclined blocks 24 drive the sliding rods 25 to slide in the sliding sleeves 26 and simultaneously extrude the four springs 27, so that the four sliding rods 25 are stable and have the elastic reset effect, and the four sliding rods 25 drive the four clamping rods 10 to move and clamp.

Claims

1. A left upper cover for a semi-feed threshing machine frame, comprising a support frame (1), characterized in that: A lower support plate (2) is fixedly installed on the top of the support frame (1). A left support (3) is fixedly installed on one side of the top of the lower support plate (2), and a right support (4) is fixedly installed on the other side of the lower support plate (2). An upper support plate (5) is fixedly installed between the tops of the left support (3) and the right support (4). A left upper cover body (6) is provided on one side of the left support (3). Four insert rods (7) are fixedly installed on one side of the left upper cover body (6). Four insertion holes (8) are opened on the surface of the left support (3). The four insert rods (7) are inserted into the four insertion holes (8). The ends of the four insert rods (7) are all provided with... A bushing (12) is fixedly installed in the middle of one side of the left bracket (3) via a connecting rod. A shaft (13) is rotatably installed inside the bushing (12). A handwheel (11) is fixedly installed at the bottom of the shaft (13). Four locking rods (10) are provided on the side of the left bracket (3) away from the upper left cover body (6). A transmission assembly is provided at the top of the shaft (13). The transmission assembly is connected to the four locking rods (10). When the shaft (13) rotates, the power is output to the four locking rods (10) through the transmission assembly, so that the four locking rods (10) are respectively locked into the four locking holes (9) for limiting.

2. The upper left cover for a semi-feed threshing machine frame according to claim 1, characterized in that: The transmission assembly includes a driving bevel gear (14), which is fixedly mounted on the top of the shaft (13). A driven bevel gear (17) is meshed on one side of the surface of the driving bevel gear (14). A rotating rod (16) is fixedly mounted in the middle of the driven bevel gear (17). Two bearings (15) are rotatably mounted on the surface of the rotating rod (16). The surfaces of the two bearings (15) are fixedly connected to the left bracket (3) through a fixing rod.

3. The upper left cover for a semi-feed threshing machine frame according to claim 2, characterized in that: Both ends of the rotating rod (16) are fixedly installed with threaded rods (19), and the surfaces of the two threaded rods (19) are threadedly connected with threaded sleeves (20). The ends of the two threaded sleeves (20) that are far apart from each other are fixedly installed with push heads (21). The inclined surfaces on both sides of the two push heads (21) are tightly attached with inclined blocks (24). The sides of the two threaded sleeves (20) near the left bracket (3) are fixedly installed with slide bars (18). The side of the left bracket (3) near the bushing (12) has two slide grooves (22), and the two slide bars (18) are slidably installed inside the two slide grooves (22).

4. The upper left cover for a semi-feed threshing machine frame according to claim 3, characterized in that: Each of the inclined blocks (24) has a slide rod (25) fixedly installed on the side near the insertion rod (7). One end of each slide rod (25) is fitted with a sliding sleeve (26). One side of each of the four sliding sleeves (26) is fixedly connected to the left bracket (3) through a support rod (23). A spring (27) is fitted in the middle of each of the four slide rods (25). Both ends of each of the four springs (27) are fixedly connected to the sliding sleeve (26) and the inclined block (24) respectively. The ends of each of the four slide rods (25) away from the inclined block (24) are fixedly connected to the four locking rods (10) respectively.

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