Automatic pressing disc harrow
By designing the adjustment mechanism and soil removal mechanism for automatic suppression disc harrow, the problem that existing disc harrow cannot adjust the crushing depth is solved, the optimal crushing effect is achieved for different crops, and the suppression wheel is kept clean.
Patent Information
- Application Number
- CN202422228658.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-09-11
AI Technical Summary
Existing disc harrows cannot be adjusted for the crushing depth of different crops, and the optimal crushing effect cannot be achieved.
An automatic suppression disc harrow is designed, including a frame, a disc harrow, a suppression wheel and an adjustment mechanism. The frame height is adjusted through the adjustment mechanism to achieve adjustment of the crushing depth, and the soil on the suppression wheel is removed through the soil removal mechanism to ensure the suppression effect.
The frame height is adjusted, the crushing depth can be adjusted for different crops to achieve the best crushing effect, and the soil removal mechanism ensures the cleanliness of the suppression wheels and maintains the suppression effect.
Smart Images

Figure CN222852617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of disc harrows, in particular to an automatic suppression disc harrow. Background Art
[0002] A disc harrow is an agricultural machine used for tilling and soil preparation. It consists of a series of discs mounted on a rotating shaft. These discs break up and loosen the surface layer by cutting and turning the soil. They can break up clods and level the ground to prepare it for sowing or planting crops. After the crops are harvested, the disc harrow can process plant residues in the field, allowing them to rot quickly and provide organic fertilizer for the next crop.
[0003] Existing disc harrows are usually dragged by agricultural machinery such as tractors to break up the land. The breaking depth cannot be adjusted for different crops, and the best breaking effect cannot be achieved. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides an automatic suppression disc harrow that overcomes the above technical problems or at least partially solves the above problems.
[0005] The utility model is achieved in this way:
[0006] The utility model provides an automatic pressing disc harrow, comprising a frame, a disc harrow, a pressing wheel and an adjusting mechanism, wherein a first bracket is rotatably mounted on the lower part of the frame, a wheel is rotatably mounted on the other end of the first bracket, the adjusting mechanism is mounted between the frame and the first bracket, and is used to adjust the height of the frame, and the adjusting mechanism comprises:
[0007] A first support, the first support is rotatably mounted on the bottom of the frame, and a first screw rod is fixedly mounted on the surface of the first support;
[0008] A second support, the second support is rotatably mounted on the surface of the first bracket, a second screw is fixedly mounted on the surface of the second support, and the thread direction of the second screw is opposite to that of the first screw;
[0009] A driving frame is sleeved on the surfaces of the first screw rod and the second screw rod.
[0010] In a preferred embodiment, a bracket is installed at one end of the frame, a second bracket is fixedly installed on the surface of the frame, a plurality of disc harrows are rotatably installed at the lower part of the second bracket, and a third bracket is fixedly installed at the other end of the frame, a pressing wheel is rotatably installed at the lower part of the third bracket.
[0011] In a preferred solution, threaded blocks are fixedly mounted at both ends of the driving frame, and the two threaded blocks are respectively threadedly connected to the first screw rod and the second screw rod for driving the first bracket to rotate.
[0012] In a preferred solution, a lever is fixedly mounted on the side wall of the driving frame for rotating the driving frame.
[0013] In a preferred solution, a soil removing mechanism is installed at the lower part of the frame for removing mud sticking to the surface of the pressing wheel; the soil removing mechanism includes a fourth bracket, a soil removing roller and a scraper, the fourth bracket is symmetrically and fixedly installed at the bottom of the frame, a rotating shaft is rotatably installed between the two fourth brackets, a soil removing roller is fixedly installed on the surface of the rotating shaft, and a plurality of scrapers are installed on the surface of the soil removing roller for scraping mud sticking to the surface of the pressing wheel.
[0014] In a preferred solution, a short shaft is rotatably mounted on the lower part of the frame, a first gear is fixedly mounted on the surface of the rotating shaft, a second gear is fixedly mounted on one end of the short shaft, and the first gear is meshed with the second gear.
[0015] In a preferred solution, a transmission shaft is fixedly installed between the two wheels, a transmission box is rotatably installed on the surface of the transmission shaft, a sleeve rod is rotatably installed in the inner cavity of the transmission box, a third gear is fixedly installed on the surface of the transmission shaft, a fourth gear is fixedly installed on one end of the sleeve rod, and the third gear is meshed with the fourth gear.
[0016] In a preferred solution, a spline groove is provided in the inner cavity of the sleeve rod, a spline shaft is slidably mounted in the inner cavity of the spline groove, and a universal joint is connected between the other end of the spline shaft and the short shaft.
[0017] The utility model provides an automatic pressing disc harrow, and its beneficial effects include:
[0018] 1. By setting an adjustment mechanism, the driving frame is driven to rotate by rotating the lever, and the first screw rod and the second screw rod are driven to move closer to each other through two threaded blocks, and the first bracket is driven to rotate counterclockwise, so that the height of the frame can be lowered, and vice versa, the height of the frame is increased, so that the height of the frame can be adjusted, and the crushing depth can be adjusted according to different crops to achieve the best crushing effect.
[0019] 2. By setting up a soil removing mechanism, the wheel drives the transmission shaft to rotate synchronously, and the third gear drives the fourth gear and the sleeve rod to rotate, thereby driving the spline shaft to rotate synchronously through the spline groove, and the short shaft to rotate through the universal joint, thereby driving the first gear and the rotating shaft to rotate, driving the soil removing roller and the scraper to rotate synchronously, and removing the soil sticking to the surface of the pressing wheel to ensure the pressing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.
[0021] Figure 1 It is a stereogram provided by the embodiment of the utility model;
[0022] Figure 2 A side view provided for an embodiment of the utility model;
[0023] Figure 3 An enlarged view of point A in soil 2 provided for an embodiment of the utility model;
[0024] Figure 4 An exploded view provided for an embodiment of the utility model;
[0025] Figure 5 The utility model embodiment provides Figure 4 Enlarged view of middle B;
[0026] In the figure: 1, frame; 2, bracket; 3, second bracket; 4, disc harrow; 5, third bracket; 6, pressure wheel; 7, first bracket; 8, wheel; 9, adjustment mechanism; 901, first support; 902, second support; 903, first screw rod; 904, second screw rod; 905, drive frame; 906, threaded block; 907, lever; 10, soil removal mechanism; 1001, fourth bracket; 1002, rotating shaft; 1003, soil removal roller; 1004, scraper; 1005, short shaft; 1006, first gear; 1007, second gear; 1008, transmission shaft; 1009, transmission box; 1010, sleeve rod; 1011, third gear; 1012, fourth gear; 1013, spline groove; 1014, spline shaft; 1015, universal joint. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Reference Figure 1-5The utility model provides a technical solution: an automatic suppression disc harrow, comprising a frame 1, a disc harrow 4, a suppression wheel 6 and an adjusting mechanism 9. A bracket 2 is installed at one end of the frame 1 for towing the frame 1. A second bracket 3 is fixedly installed on the surface of the frame 1, and a plurality of disc harrows 4 are rotatably installed at the lower part of the second bracket 3. A third bracket 5 is fixedly installed at the other end of the frame 1, and a suppression wheel 6 is rotatably installed at the lower part of the third bracket 5. A first bracket 7 is rotatably installed at the lower part of the frame 1, and a wheel 8 is rotatably installed at the other end of the first bracket 7. When in use, the bracket 2 is connected to the agricultural machine to tow the frame 1 to move, and the disc harrow 4 is used to cut and turn the soil to break and loosen the surface layer, break the soil blocks and level the ground; at the same time, the suppression wheel 6 can further break the large blocks in the soil, make the land after cultivation more flat, provide a good seed bed for subsequent sowing or planting, reduce the gaps on the soil surface, reduce water evaporation, thereby maintaining the moisture of the soil, which is beneficial to the growth of crops.
[0029] Reference Figure 1-3 In a preferred embodiment, the adjusting mechanism 9 is installed between the frame 1 and the first bracket 7, and is used to adjust the height of the frame 1. The adjusting mechanism 9 includes a first support 901, a second support 902 and a driving frame 905. The first support 901 is rotatably installed at the bottom of the frame 1, a first screw rod 903 is fixedly installed on the surface of the first support 901, and the second support 902 is rotatably installed on the surface of the first bracket 7. A second screw rod 904 is fixedly installed on the surface of the second support 902, and the thread direction of the second screw rod 904 is opposite to that of the first screw rod 903. The driving frame 905 is sleeved on the surfaces of the first screw rod 903 and the second screw rod 904. Thread blocks 906 are fixedly installed at both ends of the driving frame 905. The two thread blocks 906 are respectively threadedly connected to the first screw rod 903 and the second screw rod 904, and are used to drive the first bracket 7 to rotate. A lever 907 is fixedly installed on the side wall of the driving frame 905 for rotating the driving frame 905.
[0030] In a preferred embodiment, when in use, the driving frame 905 is driven to rotate by rotating the lever 907, and the first screw rod 903 and the second screw rod 904 are driven to move closer to each other through the two threaded blocks 906, thereby driving the first bracket 7 to rotate counterclockwise, thereby lowering the height of the frame 1, and vice versa, increasing the height of the frame 1, thereby achieving height adjustment of the frame 1, and adjusting the crushing depth for different crops to achieve the best crushing effect.
[0031] Reference Figure 1-5In a preferred embodiment, a soil removal mechanism 10 is installed at the lower part of the frame 1 for removing the soil sticking to the surface of the pressing wheel 6; the soil removal mechanism 10 includes a fourth bracket 1001, a soil removal roller 1003 and a scraper 1004, the fourth bracket 1001 is symmetrically fixedly installed at the bottom of the frame 1, a rotating shaft 1002 is rotatably installed between the two fourth brackets 1001, a soil removal roller 1003 is fixedly installed on the surface of the rotating shaft 1002, and a plurality of scrapers 1004 are installed on the surface of the soil removal roller 1003 for scraping the soil sticking to the surface of the pressing wheel 6, In order to prevent sticky soil from affecting the suppression effect, a short shaft 1005 is rotatably installed at the lower part of the frame 1, a first gear 1006 is fixedly installed on the surface of the rotating shaft 1002, and a second gear 1007 is fixedly installed at one end of the short shaft 1005. The first gear 1006 is meshed with the second gear 1007. When the short shaft 1005 rotates, it drives the second gear 1007 to rotate, thereby driving the first gear 1006 and the rotating shaft 1002 to rotate, driving the soil removal roller 1003 and the scraper 1004 to rotate synchronously, and removing the soil sticking to the surface of the suppression wheel 6.
[0032] Reference Figure 1-5 In a preferred embodiment, a transmission shaft 1008 is fixedly installed between the two wheels 8, a transmission box 1009 is rotatably installed on the surface of the transmission shaft 1008, a sleeve rod 1010 is rotatably installed in the inner cavity of the transmission box 1009, a third gear 1011 is fixedly installed on the surface of the transmission shaft 1008, a fourth gear 1012 is fixedly installed at one end of the sleeve rod 1010, the third gear 1011 is meshed with the fourth gear 1012, a spline groove 1013 is opened in the inner cavity of the sleeve rod 1010, a spline shaft 1014 is slidably installed in the inner cavity of the spline groove 1013, when the sleeve rod 1010 rotates, the spline shaft 1014 can be driven to rotate synchronously through the spline groove 1013, and a universal joint 1015 is connected between the other end of the spline shaft 1014 and the short shaft 1005.
[0033] In a preferred embodiment, when the frame 1 moves, the transmission shaft 1008 is driven to rotate synchronously through the wheel 8, and the fourth gear 1012 and the sleeve rod 1010 are driven to rotate through the third gear 1011, thereby driving the spline shaft 1014 to rotate synchronously through the spline groove 1013, and driving the short shaft 1005 to rotate through the universal joint 1015, thereby driving the first gear 1006 and the rotating shaft 1002 to rotate, driving the soil removal roller 1003 and the scraper 1004 to rotate synchronously, and removing the soil sticking to the surface of the pressing wheel 6 to ensure the pressing effect.
[0034] Specifically, the working process or working principle of this automatic suppression disc harrow is as follows: when in use, the driving frame 905 is driven to rotate by rotating the lever 907, and the first screw rod 903 and the second screw rod 904 are driven to move closer to each other through two threaded blocks 906, driving the first bracket 7 to rotate counterclockwise, so as to lower the height of the frame 1, and vice versa, increase the height of the frame 1, thereby realizing the height adjustment of the frame 1, and the crushing depth can be adjusted for different crops to achieve the best crushing effect.
[0035] When the frame 1 moves, the transmission shaft 1008 is driven to rotate synchronously through the wheel 8, and the fourth gear 1012 and the sleeve rod 1010 are driven to rotate through the third gear 1011, thereby driving the spline shaft 1014 to rotate synchronously through the spline groove 1013, and driving the short shaft 1005 to rotate through the universal joint 1015, thereby driving the first gear 1006 and the rotating shaft 1002 to rotate, driving the soil removal roller 1003 and the scraper 1004 to rotate synchronously, and removing the mud sticking to the surface of the pressing wheel 6 to ensure the pressing effect.
[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic suppression disc harrow, characterized in that: The invention comprises a vehicle frame (1), a disc harrow (4), a pressure wheel (6) and an adjusting mechanism (9); a first bracket (7) is rotatably mounted on the lower part of the vehicle frame (1); a wheel (8) is rotatably mounted on the other end of the first bracket (7); the adjusting mechanism (9) is mounted on the vehicle frame (1) and the first bracket (7) and is used to adjust the height of the vehicle frame (1); the adjusting mechanism (9) comprises: A first support (901), the first support (901) being rotatably mounted on the bottom of the frame (1), and a first screw rod (903) being fixedly mounted on the surface of the first support (901); A second support (902), the second support (902) being rotatably mounted on the surface of the first bracket (7), a second screw rod (904) being fixedly mounted on the surface of the second support (902), the second screw rod (904) having a thread direction opposite to that of the first screw rod (903); A driving frame (905), wherein the driving frame (905) is sleeved on the surfaces of the first screw rod (903) and the second screw rod (904).
2. The automatic compaction disc harrow according to claim 1, characterized in that: A bracket (2) is mounted on one end of the frame (1); a second bracket (3) is fixedly mounted on the surface of the frame (1); a plurality of disc harrows (4) are rotatably mounted on the lower portion of the second bracket (3); a third bracket (5) is fixedly mounted on the other end of the frame (1); a pressure wheel (6) is rotatably mounted on the lower portion of the third bracket (5).
3. The automatic pressing disc harrow according to claim 1, characterized in that: Threaded blocks (906) are fixedly mounted at both ends of the driving frame (905); the two threaded blocks (906) are respectively threadedly connected to the first screw rod (903) and the second screw rod (904) for driving the first bracket (7) to rotate.
4. The automatic compaction disc harrow according to claim 1, characterized in that: A lever (907) is fixedly mounted on the side wall of the driving frame (905) and is used to rotate the driving frame (905).
5. The automatic pressing disc harrow according to claim 2, characterized in that: A soil removal mechanism (10) is installed at the bottom of the vehicle frame (1) for removing soil sticking to the surface of the pressing wheel (6); the soil removal mechanism (10) comprises a fourth bracket (1001), a soil removal roller (1003) and a scraper (1004); the fourth bracket (1001) is symmetrically fixedly installed at the bottom of the vehicle frame (1); a rotating shaft (1002) is rotatably installed between two fourth brackets (1001); a soil removal roller (1003) is fixedly installed on the surface of the rotating shaft (1002); and a plurality of scrapers (1004) are installed on the surface of the soil removal roller (1003) for scraping soil sticking to the surface of the pressing wheel (6).
6. The automatic compaction disc harrow according to claim 5, characterized in that: A short shaft (1005) is rotatably mounted on the lower part of the vehicle frame (1), a first gear (1006) is fixedly mounted on the surface of the rotating shaft (1002), a second gear (1007) is fixedly mounted on one end of the short shaft (1005), and the first gear (1006) is meshed with the second gear (1007).
7. The automatic compaction disc harrow according to claim 6, characterized in that: A transmission shaft (1008) is fixedly mounted between the two wheels (8); a transmission box (1009) is rotatably mounted on the surface of the transmission shaft (1008); a sleeve rod (1010) is rotatably mounted in the inner cavity of the transmission box (1009); a third gear (1011) is fixedly mounted on the surface of the transmission shaft (1008); a fourth gear (1012) is fixedly mounted on one end of the sleeve rod (1010); and the third gear (1011) is meshed with the fourth gear (1012).
8. The automatic compaction disc harrow according to claim 7, characterized in that: The inner cavity of the sleeve rod (1010) is provided with a spline groove (1013), a spline shaft (1014) is slidably mounted in the inner cavity of the spline groove (1013), and a universal joint (1015) is connected between the other end of the spline shaft (1014) and the short shaft (1005).