CN102362564B - Self-driven combined land preparation machine - Google Patents

Abstract

The present invention relates to a self-driven combined soil preparation machine, which includes a frame, a self-driven arc-shaped tooth disc stubble breaker, a rotary tiller, a soil cultivator, and a ridge shaping plate. A suspension frame for connecting with the tractor is installed, the self-driven arc toothed disc stubble breaker is installed in the frame, and the square shaft of the self-driven arc toothed disc stubble breaker passes through the transmission mechanism and the rotary tiller shaft of the rotary tiller The connection, soil cultivator and ridge shaping board are all installed on the back beam of the frame; the self-driven arc toothed disc stubble breaker is composed of a gear rod spoke, a square shaft, and an arc gear rod. The gear bar and the spokes of the gear bar are sheathed side by side on the square shaft; the rotary tiller is composed of a rotary tiller shaft and rotary tiller blades, and the rotary tiller blades are sequentially arranged along the radial direction of the rotary tiller shaft. The present invention changes the current situation that the rotary tillage power of combined land preparation is provided by the output shaft of the tractor. Compared with traditional tillage implements, it saves power by more than 20%, saves fuel by 30-45%, and reduces production costs by more than 27%.

Description

Self-propelled combined land preparation machine

1. Technical field:

The invention relates to a combined land preparation machine matched with a 118.4-148.0 kW tractor, in particular to a self-driven combined land preparation machine.

2. Background technology:

With the overall goal of improving comprehensive agricultural production capacity, ensuring national food security, efficient utilization of agricultural resources and environmental friendliness, supporting modern agriculture, promoting effective adjustment of agricultural structure and increasing farmers' income, and providing comprehensive equipment and technical support for new rural construction, the corn root Stubble is difficult to remove, which restricts the current situation that the follow-up sowing operation is difficult to meet the standard requirements. Combined with the protective tillage technology in the northern cold region, the combined technology of corn stubble breaking and plowing and land preparation and energy-saving and drag-reducing technology are studied to solve the problem of frequent operations and high energy consumption of plowing equipment. and unreasonable soil structure. At present, most combined land preparation machines are powered by tractors. After speed regulation by the transmission box, the knife rollers are driven to crush farmland soil or straw. The device, rotary tillage device, and ridging device also work through the output power of the power output shaft of the tractor, which leads to high energy consumption of the combined soil preparation machine, and the existing combined soil preparation machine still has the problem of unreasonable soil plow layer structure .

3. Contents of the invention:

The purpose of the present invention is to provide a self-propelled combined soil preparation machine, which is used to solve the problem that the rotary tillage device of the existing combined soil preparation machine requires a tractor to provide power and consumes a lot of energy.

The technical solution adopted by the present invention to solve its technical problems is: this self-driven combined soil preparation machine includes a frame, a self-driven arc-shaped toothed disc type stubble breaker, a rotary tiller, a soil cultivator, a ridge body shaping plate, a frame A suspension frame for connection with the tractor is installed on the top, the self-driven arc toothed disc stubble breaker is installed in the frame, and the square shaft of the self-driven arc toothed disc stubble breaker passes through the transmission mechanism and the rotary tiller of the rotary tiller Shaft connection, soil cultivator and ridge body shaping plate are all installed on the back beam of the frame; the self-driven arc toothed disc stubble breaker is composed of a gear bar spoke, a square shaft, and an arc gear bar. Arcs are arranged around the gear bar spokes A toothed bar, the spokes of the toothed bar are sheathed side by side on the square shaft; the rotary tiller is composed of a rotary tiller shaft and rotary tiller blades, and the rotary tiller blades are sequentially arranged along the radial direction of the rotary tiller shaft. the

In the above scheme, a subsoiling shovel is installed on the middle beam of the frame, and the subsoiling shovels are installed side by side on the middle beam, behind the self-driven arc toothed disc type stubble breaker. the

In the above scheme, the transmission mechanism is composed of a transmission gear and a transmission sprocket. The transmission gear and the transmission sprocket are installed in the transmission box, and the transmission box is installed on the side of the frame. There are two transmission boxes, one is a fixed gear box, and the other is a It is a rotatable sprocket box. There are two sets of transmission gears installed in the fixed gear box. The square shaft is connected with the first set of transmission gears of the fixed gear box. The second set of transmission gears of the fixed gear box is connected with the rotatable sprocket box. One transmission sprocket is connected, and the other transmission sprocket of the rotatable sprocket box is connected with the rotary tiller shaft of the rotary tiller. the

In the above scheme, an oil cylinder support arm is installed on the side wall of the frame, and the oil cylinder support arm is connected to the depth-limiting lifting cylinder, and the other end of the depth-limiting lifting cylinder is connected to the rear beam of the frame, and the lifting of the rear beam of the frame can be adjusted through the depth-limiting lifting cylinder. In this way, the depth of rotary tillage can be automatically adjusted. When the depth-limited lifting cylinder lifts the rear beam of the frame, since two transmission sprockets are installed in the rotatable sprocket box, the two transmission sprockets are connected by a transmission chain, so the two transmission sprockets The sprocket rotates upwards along with the rotatable sprocket box with the rotating shaft as a support point, and the rotating shaft is the shaft between the transmission gear and the transmission sprocket. the

In the above scheme, after the gear rod spokes are placed on the square shaft, the two are separated by an intermediate pipe connecting plate; a fixed gear seat is cast around the gear rod spokes for installing arc gear rods, and the arc gear rods are divided into left arcs The tooth bar and the right arc tooth bar, the left arc tooth bar and the right arc tooth bar are alternately installed on the tooth bar spokes. the

In the above scheme, the curved gear bar, rotary tillage blade, and subsoiling shovel are made of metal arc surfacing hard-facing wear-resistant steel plate HP100, which doubles the wear resistance. the

Beneficial effect:

1. The present invention is driven by the tractor used in conjunction with it to walk. When walking, the friction force between the arc gear bar of the arc toothed disc type stubble breaker and the soil and the throwing and cutting reaction force, the generated torque is transmitted to the square through the spokes of the gear bar. shaft, so that the power is further distributed to the rotary tillage parts through the side transmission box, so as to realize high-speed stubble removal and soil breaking operations. Compared with imported combined land preparation machines, it can save power by more than 20%, save fuel by 30-45%, and reduce production costs by more than 27%.

2. The present invention solves the problems of many operation times, high energy consumption and unreasonable soil plow layer structure of existing plowing machines and tools. To guide the technical specifications of agricultural production. the

3. The transmission box of the present invention has two, and the mass is relatively large, but the performance of entering into the soil is increased, the reliability is good, and the service life is long. It is especially helpful for the full suspension to be in a balanced state, ensuring the stability of the tractor's working process. the

4. Description of the drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a top view of the present invention;

Fig. 3 is the structural representation of the self-driven arc toothed disc type stubble breaker among the present invention;

Fig. 4 is a cross-sectional view of the self-driven arc toothed disc stubble breaker in the present invention.

1 frame 2 self-driven arc-shaped toothed disc stubble breaker 3 front beam 4 square shaft 5 side wall plate 6 suspension frame 7 middle beam 8 subsoiling shovel 9 rotary tiller 10 rotary tiller shaft 11 soil cultivator 12 ridge shaping board 13 Oil cylinder support arm 14 Depth-limited lifting cylinder 15 Transmission mechanism 16 Rear beam 17 Gear bar spoke 18 Arc gear bar 19 Left arc gear bar 20 Right arc gear bar 21 Interpipe connection plate. the

5. Specific implementation methods:

Below in conjunction with accompanying drawing, the present invention will be further described:

As shown in Figure 1 and Figure 2, this self-driven combined soil preparation machine includes a frame 1, a self-driven arc toothed disc stubble breaker 2, a rotary tiller 9, a soil cultivator 11, a ridge shaping plate 12, and a machine The frame 1 has two parts, the front part is a frame made of the front beam 3, the middle beam 7 and the two side wall panels 5, the rear part is made of the rear beam 16 and two other side wall panels, and the side wall panels of the rear part of the frame 1 are connected with the The side wall plate 5 of frame 1 front part is connected; The suspension frame 6 that is used to be connected with tractor is installed on the front beam 3 of frame 1, self-driven arc-shaped tooth disc type stubble breaker 2 is installed in frame 1, automatically Drive the square shaft 4 of the arc-shaped toothed disc type stubble breaker 2 to be connected with the rotary tiller shaft 10 of the rotary cultivator 9 through the transmission mechanism 15, and the soil cultivator 11 and the ridge body shaping plate 12 are all installed on the back beam 16 of the frame, and the soil cultivator The structures of the device 11 and the ridge shaping plate 12 are the same as those of the existing soil cultivator and the ridge shaping plate; layout.

The middle beam 7 of the frame of the present invention is equipped with a subsoiler shovel 8, and the subsoiler shovel 8 is installed side by side on the middle beam 7, and is positioned at the back of the self-driving arc toothed disc type stubble breaker 2. Subsoiling shovel 8 carries out subsoiling operation along with the ridge body,

In the present invention, the transmission mechanism 15 is formed by connecting the transmission gear and the transmission sprocket. The transmission gear and the transmission sprocket are installed in the transmission box, and the transmission box is installed on the side of the frame. There are two transmission boxes, one is a fixed gear box and the other One is a rotatable sprocket box. There are two sets of transmission gears installed in the fixed gear box. The square shaft 4 is connected to the first set of transmission gears of the fixed gear box. The second set of transmission gears of the fixed gear box is connected to the rotatable sprocket. A transmission sprocket of the box is connected, and another transmission sprocket of the rotatable sprocket box is connected with the rotary tiller shaft 10 of the rotary tiller. In the present invention, the rotatable sprocket case can be lifted and lowered along with the back beam of the frame, so it is called a rotatable sprocket case. The rotation speed is increased through two sets of transmission gears, so that the rotation speed of the rotary tillage shaft meets the requirement of rotary tillage.

In the present invention, an oil cylinder support arm 13 is installed at the side wall plate of the frame, and the oil cylinder support arm 13 is connected with the depth-limiting lifting cylinder 14, and the other end of the depth-limiting lifting cylinder 14 is connected with the back beam 16 of the frame, through which the depth-limiting lifting cylinder 14 can Adjust the ups and downs of the frame back beam 16, thereby automatically adjusting the depth of rotary tillage. the

As shown in Figure 3 and Figure 4, the self-driven arc-shaped toothed disc stubble breaker 2 is composed of a gear bar spoke 17, a square shaft 4, and an arc-shaped rack 18, and the arc-shaped rack 18 is evenly arranged around the rack spoke 17 , the gear bar spokes 17 are placed side by side on the square shaft 4; after the gear bar spokes 17 are placed on the square shaft 4, the two are separated by an intermediate pipe connection plate 21; a fixed tooth seat is cast around the gear bar spokes 17 for installation Arc rack 18, arc rack 18 is divided into left arc rack 19 and right arc rack 20, and left arc rack 19 and right arc rack 20 are alternately installed on rack spoke 17. 40 arc-shaped gear bars 18 can be designed, and the 40 arc-shaped gear bars 18 are staggered and symmetrically arranged. The installation angle of each arc-shaped gear bar is 18°. The inclination angle is 21.5°, and the blade angle (that is, the sharpening angle) is 24°. After installation according to the above-mentioned angles, the arc gear bar 18 enters the ground relatively evenly, with good balance, good stability, and good continuity of stubble. Casting a fixed tooth seat around the gear rod spoke 17 can enhance the corn stubble chopping effect and facilitate assembly and replacement. The self-driven arc toothed disc stubble breaker 2 is drawn and rolled by a tractor. the

In the present invention, the arc-shaped gear bar 18, the rotary tiller blade, and the subsoiling shovel 8 adopt metal arc surfacing welding hard surface wear-resistant steel plate HP100, so that the wear resistance is doubled. the

The invention is a suspension type multi-function combined operation machine matched with 118.4-148.0kW tractors. Originally designed self-driven arc toothed stubble breaker and spiral soil breaker. According to the actual working conditions in the field, the power transmission is carried out by the square shaft 4 and the transmission mechanism 15 of the self-driven arc toothed disc stubble breaker; the transmission route is driven by the tractor. The square shaft 4 of the toothed disk stubble breaker transmits power to the transmission gear again, and the transmission gear transmits power to the transmission sprocket wheel, and finally the power is transmitted to the rotary tiller shaft 10, and the rotating speed of the rotary tiller shaft 10 is improved simultaneously. The present invention is driven by the tractor used in conjunction with it to walk, and when walking, the friction force between the arc gear bar of the arc tooth disc type stubble breaker and the soil and the throwing and cutting reaction force, the generated torque is transmitted to the square shaft through the spokes of the gear bar, Therefore, the power is further distributed to the rotary tillage parts through the side transmission box, which changes the current situation that the rotary tillage power of the combined land preparation is provided through the output shaft of the tractor, so it is called a self-driven combined land preparation machine. the

The supporting power of the present invention is 118.4kW～148.0kW; the type of connection: hanging type; the working width: 4.2m; the number of working lines is 7; the stubble starting rate: 100%; Moisture retention rate ≥ 90 (%); operating speed 10-12 km/h; productivity: 600-700 mu/day; operating depth: 18-32cm; maximum loosening depth: 35cm; stubble breaking depth: 10-12cm. the

The invention adopts the operation mode of breaking stubble first, subsoiling, eliminating stubble and rotary tillage. Since the rear wheelbase of the matching tractor is 180 cm, and the maximum adjustable wheelbase is 210 cm, the plowing width of the implements is larger than the distance between the outer edges of the two rear wheels of the tractor. Three-point full suspension is adopted. The invention has the advantages of simple structure, reasonable design, low cost, safety and reliability, convenient adjustment and energy saving, and is suitable for soil preparation operations of various crops such as corn, soybean, sunflower, etc. Normal work is possible. the

Claims (5)

1. A self-driven combined soil preparation machine, which includes a frame (1), a rotary tiller (9), a soil cultivator (11), a ridge shaping plate (12), a frame ( 1) The suspension frame (6) used to connect with the tractor is installed on the top, the soil cultivator (11), the ridge body shaping plate (12) are all installed on the rear beam (16) of the frame (1), and the rotary tiller (9) It is composed of a rotary tiller shaft (10) and a rotary tiller blade, and the rotary tiller blades are sequentially arranged along the radial direction of the rotary tiller shaft (10). The stubble breaker (2), the self-driven arc-shaped stubble breaker (2) is installed in the frame (1), and the square shaft (4) of the self-driven arc-shaped stubble breaker passes through the transmission mechanism (15 ) is connected with the rotary tiller shaft (10) of the rotary tiller; the self-driven arc-shaped toothed disc stubble breaker (2) is composed of a gear bar spoke (17), a square shaft (4), and an arc-shaped tooth bar (18). Arc-shaped gear bars (18) are arranged around the gear bar spokes (17), and the gear bar spokes (17) are sheathed on the square shaft (4) side by side. 2. The self-driven combined soil preparation machine according to claim 1, characterized in that: a subsoiler shovel (8) is installed on the middle beam (7) of the frame (1), and the subsoiler shovel (8) They are installed side by side on the middle beam (7), behind the self-driven arc toothed disc stubble breaker (2). 3. The self-driven combined land preparation machine according to claim 2, characterized in that: the transmission mechanism (15) is composed of a transmission gear and a transmission sprocket connected, and the transmission gear and the transmission sprocket are installed in the transmission box, The transmission box is installed on the side of the frame (1). There are two transmission boxes, one is a fixed gear box and the other is a rotatable sprocket box. There are two sets of transmission gears installed in the fixed gear box. The square shaft (4 ) is connected with the first set of transmission gears of the fixed gear box, the second set of transmission gears of the fixed gear box is connected with one transmission sprocket of the rotatable sprocket box, and the other transmission sprocket of the rotatable sprocket box is connected with the rotary tiller the rotary tiller shaft (10). 4. The self-driven combined land preparation machine according to claim 1 or 3, characterized in that: the side wall of the frame (1) is equipped with an oil cylinder support arm (13), and the oil cylinder support arm (13) is connected to Depth-limiting lifting oil cylinder (14), the other end of depth-limiting lifting oil cylinder (14) is connected with the rear beam (16) of frame. 5. The self-driven combined soil preparation machine according to claim 4, characterized in that: after the gear rod spokes (17) are set on the square shaft (4), the two are separated by an intermediate pipe connecting plate (21). open; a fixed tooth seat is cast around the gear rod spoke (17) for installing the arc gear rod (18), and the arc gear rod (18) is divided into a left arc gear rod (19) and a right arc gear rod ( 20), the left arc tooth bar (19) and the right arc tooth bar (20) are staggeredly installed on the tooth bar wheel spoke (17).

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