Spline shaft protection device of rotary cultivator

Abstract

The utility model relates to the technical field of rotary cultivators, and discloses a spline shaft protection device of a rotary cultivator, which comprises a mounting frame and fixing grooves arranged on two sides of the surface of the mounting frame, and further comprises movable blocks sliding in inner cavities of the fixing grooves, a positioning groove is arranged on one side of the surface of the mounting frame, an inner cavity of the positioning groove is connected with a positioning frame in a sliding mode, and the movable blocks are connected with the positioning frame in a sliding mode. A movable plate is fixedly connected to one side of the positioning frame, and clamping grooves are formed in the two positions of the surface of the movable plate; through the cooperation of the movable block and the clamping groove, the positions of the positioning groove and the clamping rod can be adjusted, and the position of the cleaning plate can be adjusted according to the size of the spline shaft, so that the position of the cleaning plate can be changed according to the size of the spline shaft when the device is used; and the cleaning plate is stable in the using process, and the problems that when an existing device is used, the protection effect on the spline shaft is poor, and the applicability is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary cultivator technical field, concretely is spline shaft protection device of rotary cultivator. BACKGROUND

[0002] The spline shaft of the rotary cultivator is an important component in the transmission system of the rotary cultivator, and mainly plays the role of transmission and rotation in the rotary cultivator. It drives the rotary tiller to work by transmitting power. Specifically, the flange on the spline shaft matches the groove on the transmission shaft, so that the spline shaft can be connected with the transmission shaft and transmit power. When rotating, the flange on the spline shaft interacts with the groove, thereby driving the rotary tiller to rotate and realizing the tillage work.

[0003] However, the existing spline shafts are of different sizes, and most of the existing protective devices cannot adjust the position, so that some existing protective devices cannot be used or have poor cleaning effect on weeds, reducing the applicability of the device in use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a spline shaft protection device of rotary cultivator to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spline shaft protection device of rotary cultivator, comprising a mounting frame and a fixing groove opened on both sides of the surface thereof, further comprising:

[0006] The movable block slides in the inner cavity of the fixing groove, one side of the surface of the mounting frame is provided with a positioning groove, the inner cavity of the positioning groove is connected with a positioning frame in sliding mode, one side of the positioning frame is fixedly connected with an activity board, and the surface of the activity board is provided with a clamping groove at two positions;

[0007] The clamping rod slides in the inner cavity of the clamping groove, the other end of the clamping rod is fixedly connected with a cleaning plate, one side of the mounting frame is provided with an adjusting mechanism, and the surface of the mounting frame is fixedly connected with a positioning seat at two positions.

[0008] Preferably, the adjusting mechanism comprises mounting seats fixed on both sides of the mounting frame and a worm rotating in the inner cavity thereof, and the surface of the activity board is fixedly connected with a worm gear.

[0009] Preferably, both ends of the worm are fixedly connected with rotating seats, and the surface of the rotating seat is rotatably connected with the surface of the mounting seat.

[0010] Preferably, the surface of the cleaning plate is in sliding connection with the surface of the movable plate, and one side of the cleaning plate is designed as an inclined structure.

[0011] Preferably, the surface of the movable block and the inner wall of the fixed groove are designed as T-shaped structures.

[0012] Preferably, the surface of the positioning frame and the inner cavity of the positioning groove are designed as L-shaped structures.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a positioning groove and a clamping groove are matched, and the position of the positioning groove and the clamping rod can be adjusted conveniently, thereby the position of the cleaning plate can be adjusted according to the size of the spline shaft, so that the device can change the position of the cleaning plate according to the size of the spline shaft when in use, effectively improves the cleaning effect of the device on the weeds, improves the protection effect on the spline shaft, and under the cooperation of the adjusting mechanism and the movable plate, the cleaning plate can be more stable in the use process, effectively improves the applicability of the device, and solves the problems that the protection effect on the spline shaft is poor and the applicability is poor when the prior art device is used. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view in the utility model;

[0016] Figure 2 It is another three-dimensional structure schematic view in the utility model from another angle;

[0017] Figure 3 It is a local three-dimensional section expansion structure schematic view in the utility model;

[0018] Figure 4 It is a local three-dimensional section structure schematic view in the utility model.

[0019] In the drawing: 1, mounting frame; 2, fixed groove; 3, movable block; 4, positioning groove; 5, positioning frame; 6, movable plate; 7, clamping groove; 8, clamping rod; 9, cleaning plate; 10, adjusting mechanism; 101, mounting seat; 102, worm; 103, worm gear tooth; 11, rotating seat; 12, positioning seat. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 As shown in FIG. 1, a spline shaft protection device of a rotary cultivator comprises a mounting frame 1, both sides of the surface of the mounting frame 1 are provided with fixing grooves 2, the inner cavities of the fixing grooves 2 are slidably connected with movable blocks 3, the cross-sectional shapes of the surfaces of the movable blocks 3 and the inner walls of the fixing grooves 2 are both T-shaped structure design, the fixing grooves 2 are used in cooperation with the movable blocks 3, under the action of the shapes, the movable blocks 3 cannot easily separate from the inside of the fixing grooves 2, the stability of the movable blocks 3 is effectively improved, the movable blocks 3 are prevented from separating from the inside of the fixing grooves 2 to affect the subsequent use, one side of the surface of the mounting frame 1 is provided with a positioning groove 4, the inner cavity of the positioning groove 4 is slidably connected with a positioning frame 5, the cross-sectional shapes of the surface of the positioning frame 5 and the inner cavity of the positioning groove 4 are both L-shaped structure design, the positioning frame 5 is used in cooperation with the positioning groove 4, under the action of the shape, the positioning frame 5 is further limited, so that the positioning frame 5 can be more stable when sliding in the inside of the positioning groove 4, one side of the positioning frame 5 is fixedly connected with a movable plate 6, both places of the surface of the movable plate 6 are provided with clamping grooves 7, the inner cavities of the clamping grooves 7 are slidably connected with clamping rods 8, one side of the clamping rods 8 is fixedly connected with the surface of the movable block 3, the clamping grooves 7 are used in cooperation with the fixing grooves 2, the other end of the clamping rods 8 is fixedly connected with cleaning plates 9, under the action of the cleaning plates 9, the weeds on the surface of the spline shaft can be cleaned, and rotating the movable plate 6 can adjust the positions of the two cleaning plates 9 under the action of the shapes, so that the positions of the cleaning plates 9 change, so that the device can be suitable for spline shafts of different sizes, the applicability of the device is effectively improved, the surface of the cleaning plate 9 is slidably connected with the surface of the movable plate 6, both sides of the cleaning plate 9 are designed as inclined structure, under the action of the shape, the cleaning effect of the cleaning plate 9 on the weeds can be improved, and the weeds and soil on the cleaning plate 9 itself can be guided, so that the cleaning plate 9 is more rapid when cleaning the spline shaft, one side of the mounting frame 1 is provided with an adjusting mechanism 10, under the action of the adjusting mechanism 10, the position of the movable plate 6 is adjusted, and the movable plate 6 will not easily deviate after moving, the stability of the cleaning plate 9 when in use is effectively improved, both places of the surface of the mounting frame 1 are fixedly connected with positioning seats 12, the positioning seats 12 are used for conveniently fixing the device in the inside of the rotary cultivator.

[0022] The adjusting mechanism 10 comprises two mounting seats 101 fixed on one side of the mounting frame 1, the inner cavities of the mounting seats 101 are rotationally connected with a worm 102, the surface of the movable plate 6 is fixedly connected with worm gears 103, the worm gears 103 are meshed with the worm 102, under the action, the worm gears 103 can be matched with each other by directly rotating the worm 102 when it is needed to rotate the positioning frame 5, so as to rotate the movable plate 6, and under the cooperation of the worm 102 and the worm gears 103, the rotation of the movable plate 6 driven by the worm gears 103 can be effectively reduced, the stability of the movable plate 6 during use is effectively improved, the position deviation of the cleaning plate 9 caused by the instability of the movable plate 6 during use is avoided, and the protection effect of the device on the spline shaft is affected, the two ends of the worm 102 are fixedly connected with rotating seats 11, the surface of the rotating seat 11 is rotationally connected with the surface of the mounting seat 101, under the action, the cooperation of the rotating seat 11 can make it more convenient for the staff to rotate the worm 102 when it is needed, and the applicability of the device is effectively improved.

[0023] Working principle: first, the device is fixed in the corresponding position of the spline shaft in the rotary tiller through the cooperation of the bolt and the positioning seat 12, then the staff rotates the worm 102 through the cooperation of the auxiliary tool and the rotating seat 11, and the movable plate 6 is rotated by the worm gears 103 when the worm 102 rotates, the position of the positioning groove 4 and the clamping rod 8 can be adjusted under the cooperation of the clamping groove 7 and the fixed groove 2, so that the clamping rod 8 can drive the cleaning plate 9 to move, until one side of the cleaning plate 9 is close to the surface of the spline shaft, so as to conveniently protect the spline shaft, and the size of the spline shaft can be adjusted at will through the cooperation of the cleaning plate 9, the applicability of the device is effectively improved, the weeds on the surface of the spline shaft can be cleaned under the action of the shape of the cleaning plate 9 when the spline shaft drives the weeds to rotate, so as to reduce the foreign matters on the surface of the spline shaft, effectively reduce the friction force on the spline shaft during rotation, and prolong the service life of the spline shaft.

[0024] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0025] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A spline shaft guard for a rotary cultivator comprising a mounting bracket (1) and fixing slots (2) formed on both sides of the surface thereof, characterized in that, Also include: The movable block (3) is slid in the inner cavity of the fixed groove (2), one side of the surface of the mounting frame (1) is provided with a positioning groove (4), the inner cavity of the positioning groove (4) is slidably connected with a positioning frame (5), one side of the positioning frame (5) is fixedly connected with a movable plate (6), and the surface of the movable plate (6) is provided with clamping grooves (7) at two positions; The clamping rod (8) is slid in the inner cavity of the clamping groove (7), the other end of the clamping rod (8) is fixedly connected with a cleaning plate (9), one side of the mounting frame (1) is provided with an adjusting mechanism (10), and the surface of the mounting frame (1) is fixedly connected with a positioning seat (12) at two positions.

2. A spline shaft guard for a rotary cultivator according to claim 1, characterized in that: The adjusting mechanism (10) comprises mounting seats (101) fixed on both sides of the mounting frame (1) and a worm (102) rotating in the inner cavity thereof, and the surface of the movable plate (6) is fixedly connected with worm gears (103).

3. A spline shaft guard for a rotary cultivator according to claim 2, characterized in that: Both ends of the worm (102) are fixedly connected with rotating seats (11), and the surface of the rotating seat (11) is rotatably connected with the surface of the mounting seat (101).

4. A spline shaft guard for a rotary cultivator according to claim 1, characterized in that: The surface of the cleaning plate (9) is slidably connected with the surface of the movable plate (6), and one side of the cleaning plate (9) is designed as an inclined structure.

5. A spline shaft guard for a rotary cultivator according to claim 1, characterized in that: The surface of the movable block (3) and the inner wall of the fixed groove (2) are both designed as T-shaped structure, and the fixed groove (2) is used in cooperation with the movable block (3).

6. A spline shaft guard for a rotary cultivator according to claim 1, characterized in that: The surface of the positioning frame (5) and the inner cavity of the positioning groove (4) are both designed as L-shaped structure, and the positioning frame (5) is used in cooperation with the positioning groove (4).

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