CN103109596A - Vibration type subsoiler - Google Patents

Abstract

The invention discloses a vibration type subsoiler, and aims to provide the vibration type subsoiler which is good in working quality, high in producing efficiency, small in cultivating resistance, and low in energy consumption. The vibration type subsoiler comprises a rack, support legs, a hanging frame, a chaffcutter disc, a subsoiler shovel, a depth-limit wheel and a reducer, and further comprises an amplitude modulating mechanism and a frequency modulating mechanism. A left half shaft and a right half shaft of the amplitude modulating mechanism and a wheel disc form a crankshaft, the left half shaft and the right half shaft are rotatably supported on the rack, a crankshaft sleeve is rotatably sleeved outside the wheel disc, the crankshaft sleeve is provided with a connection rod, the outer end of the connection rod is hinged with the upper end of the handle of the subsoiler shovel through a connection shaft, the handle of the subsoiler shovel is hinged with the rear end of the rack through a hinge shaft below the connection shaft, and one side half shaft of the amplitude modulating mechanism is connected with the reducer through the frequency modulating mechanism. The vibration type subsoiler is suitable for the working of subsoiling and ploughing.

Description

Vibratory Subsoiler

technical field

The invention relates to a subsoiler, more specifically, to a vibratory subsoiler with adjustable amplitude and frequency.

Background technique

Soil quality of arable land is an important factor restricting grain production. The implementation of subsoiling operations can improve soil quality, improve soil water storage and moisture conservation capacity, and then improve comprehensive grain production capacity. The subsoiler is an ideal soil conservation tillage tool. In recent years, it has been more widely used in my country's agricultural production. Due to the large resistance of mechanical subsoiling, high energy consumption and low production efficiency, in order to reduce farming resistance, improve production efficiency, reduce energy consumption and operating costs, it has been A vibratory subsoiler has been developed and used. For example, the Chinese Patent Publication No. CN202750418U, the publication date is February 27, 2013, and the name of the invention is "a vibratory subsoiler". The application discloses a vibratory subsoiler, including a beam, a shovel arm And the wing-shaped shovel, the top of the beam is provided with a rotating shaft supported by a bearing seat, and a long transmission arm and a short transmission arm are fixed on the circumference of the rotation shaft. The open end of the long transmission arm is hinged to a connecting rod, and the other end of the connecting rod is passed through The wheel is installed on the power output shaft, the open end of the short transmission arm is connected with the upper end of the transmission rod arranged vertically, the lower end of the transmission rod is hinged with the tail of the airfoil shovel, and the lower end of the shovel arm is hinged with the middle section of the airfoil shovel. This technical solution effectively solves the problems of large resistance, high energy consumption and low production efficiency of subsoiling operations. However, there are still deficiencies. Because the amplitude of this vibratory subsoiler cannot be adjusted, and the vibration frequency can only be changed by the speed of the power output shaft of the tractor, the quality of work is poor, the energy consumption is still high, and the tillage resistance is still too large. , The production efficiency is still on the low side.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems and provide a vibrating subsoiler with good operation quality, high production efficiency, smaller tillage resistance and lower energy consumption.

In order to achieve the above object, the present invention adopts the following technical solutions: the vibratory subsoiler of the present invention includes a frame and legs mounted on the frame, a suspension frame, a grass cutting disc, a subsoiler, a depth limiter The wheel, reducer, and the subsoiler are installed on the rear end of the frame through the subsoiler handle, the grass cutting disc is located directly in front of the subsoiler, two depth-limiting wheels are symmetrically arranged on both sides of the subsoiler, and the reducer is set on The upper part of the front part of the frame also includes an amplitude modulation mechanism and a frequency modulation transmission mechanism. Holes, crank sleeves, and connecting rods. The roulette is designed in the shape of a disc. There are two through positioning long holes symmetrically along the vertical direction of the end surface of the roulette. The inner ends of the left and right half shafts are respectively vertically provided with connecting plates. The two connecting plates are respectively pressed and pasted on the end surfaces of the left and right sides of the wheel, and the bolts pass through the left and right connecting plates and the two long positioning holes, so that the left and right half shafts clamp and fix the wheel discs to each other through the left and right connecting plates. The connection is integrated, and the left and right half shafts are coaxially located on the symmetrical center plane of the two positioning long holes, so that the left and right half shafts and the wheel form a crank shaft, and the left and right half shafts are rotatably supported on the machine. On the frame, the wheel disc is rotatably fitted with a crank sleeve, and a connecting rod is arranged on the crank sleeve. The outer end of the connecting rod is hinged to the upper end of the subsoiling shovel handle through a connecting shaft. Hinged with the rear end of the frame, one half shaft of the amplitude modulation mechanism is connected with the reducer through the frequency modulation transmission mechanism.

As a preferred solution of the present invention, the frequency modulation transmission mechanism is composed of a driving sprocket, a transmission chain, and a driven sprocket. The outer end of the left half shaft of the amplitude modulation mechanism is provided with a driven sprocket. The left end is provided with a driving sprocket, and the driven sprocket is connected with the driving sprocket through a transmission chain.

As an improvement of the present invention, the subsoiling shovel handle and the rear end of the frame are respectively provided with installation holes with the same spacing along the vertical direction, and the installation holes of the subsoiling shovel handle and the rear end of the frame are arranged concentrically and passed through Hinge Axis Hinge.

As a further improvement of the present invention, a tensioning device is provided below the transmission chain, and the tensioning device is composed of a fixed plate, a support beam, a sleeve, a compression spring, a support rod, and a tensioning wheel. The beam is vertically arranged on the upper plane of the outer end of the support beam, and the outer end of the sleeve is equipped with a compression spring, and the support rod is slidably inserted in the sleeve vertically. On the support at the upper end of the pole, a tensioning wheel is rotatably arranged on the support at the upper end of the pole, the fixed plate is fixed on the frame, and the tensioning wheel is supported on the lower transmission side chain of the transmission chain.

After adopting the above technical solution, the vibratory subsoiler provided by the present invention has the beneficial effects that: since the present invention is provided with an amplitude modulation mechanism, the two connection plates of the amplitude modulation mechanism are respectively pressed on the end surfaces of the left and right sides of the wheel disc, and the bolts Pass through the left and right connecting discs and the two positioning long holes, so that the left and right half shafts are clamped and fixed to each other through the left and right connecting discs, and the two left and right half shafts are coaxial in two positions. On the symmetrical center plane of the long hole, the left and right half shafts and the wheel disc form a crank shaft, so that the rotating crank shaft drives the upper end of the subsoiling shovel handle through the crank sleeve and the connecting rod set outside the wheel disc. The hinged shaft vibrates back and forth periodically, and the subsoiler shovel installed at the lower end of the subsoiler handle vibrates periodically back and forth relative to the frame. Since the present invention is provided with a frequency modulation transmission mechanism, the driven sprocket of the frequency modulation transmission mechanism is installed on the left half shaft outer end of the amplitude modulation mechanism, and the left end of the horizontal output shaft of the speed reducer is provided with a driving sprocket, and the driven sprocket It is connected with the driving sprocket through the transmission chain. Therefore, in the process of cultivating land, according to the soil condition of the field, by changing the installation positions of the left and right connecting discs and the two positioning long holes of the wheel disc, the crank shaft formed by the left and right half shafts and the wheel disc can rotate eccentrically. The radius is changed to adjust the amplitude of the subsoiling shovel; by changing the number of teeth of the driving sprocket and the driven sprocket, different transmission ratios can be easily obtained, so that the rotation speed of the crankshaft composed of the left and right half shafts and the wheel disc can be changed to realize Adjustment of vibration frequency of subsoiler shovel. At the same time, since the handle of the subsoiling shovel and the rear end of the frame are respectively provided with installation holes with the same vertical spacing, changing the installation position of the hinge shaft can further change the amplitude of the subsoiling shovel. After being combined with the amplitude modulation mechanism, it can Make the subsoiler shovel get a larger amplitude adjustment range. In this way, through the adjustment of the amplitude and vibration frequency of the subsoiler, the vibratory subsoiler can work under optimal conditions, which can effectively remove floating soil on the subsoiler and reduce frictional resistance. Compared with this method, it can further reduce tillage resistance, reduce energy consumption, and reduce operating costs. The effects of good operation quality, high production efficiency, less farming resistance and lower energy consumption are obtained.

Description of drawings

Fig. 1 is the structural representation of vibration type subsoiler of the present invention;

Fig. 2 is the structure schematic diagram of AMFM vibration mechanism of the present invention;

Fig. 3 is the A direction view in Fig. 2;

Fig. 4 is a schematic diagram of the structure of the tensioning device of the present invention.

Among the figure: frame 1; outrigger 2; suspension frame 3; grass cutting disc 4; subsoiling shovel 5; depth-limiting wheel 6; speed reducer 7; Half shaft 11; connecting disc 12; wheel disc 13; positioning long hole 14; crank sleeve 15; connecting rod 16; subsoiling shovel handle 17; connecting shaft 18; tensioning device 19; 22; stage clip 23; pole 24; tensioner 25; hinged shaft 26.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in Figure 1, provide the structure schematic diagram of vibration type subsoiler of the present invention, comprise frame 1 and support leg 2 that is installed on this frame 1, suspension frame 3, cut grass disc 4, subsoiler 5. Depth limiting wheel 6, reducer 7, subsoiling shovel 5 is installed on the rear end of the frame 1 through subsoiling shovel handle 17, grass cutting disc 4 is located directly in front of subsoiling shovel 5, and two depth limiting wheels 6 are symmetrical Set on both sides of the subsoiling shovel 5, the speed reducer 7 is set above the front of the frame 1, and also includes an amplitude modulation mechanism and a frequency modulation transmission mechanism. In Fig. 1, Fig. 2 and Fig. 3, the amplitude modulation mechanism is arranged on the frame 1 above, and between the reducer 7 and the subsoiling shovel handle 17, it is composed of a half shaft 11, a connecting plate 12, a wheel disc 13, a long positioning hole 14, a crank sleeve 15, and a connecting rod 16. The wheel disc 13 is designed as a circle disc shape, along the vertical direction of the end face of the wheel disc 13, two through positioning long holes 14 are symmetrically arranged, and the inner ends of the left and right half shafts 11 are respectively vertically provided with connecting discs 12, and the two connecting discs 12 are respectively pressed on the wheel. On the end faces of the left and right sides of the disk 13, the bolts pass through the left and right connecting disks 12 and the two positioning long holes 14, so that the left and right half shafts 11 are clamped and fixed to connect the wheel disk 13 with each other through the left and right connecting disks 12. , and the left and right half shafts 11 are coaxially located on the symmetrical center planes of the two positioning long holes 14, so that the left and right half shafts 11 and the wheel disc 13 form a crank shaft, and the left and right connecting discs 12 can be positioned along the two The long hole 14 can be slid and adjusted arbitrarily to obtain different eccentric gyration radii of the crankshaft. The left and right half shafts 11 are rotatably supported on the frame 1. Connecting rod 16 is set, and the outer end of connecting rod 16 is hinged with the upper end of subsoiling shovel handle 17 through connecting shaft 18, and this subsoiling shovel handle 17 is hinged with frame 1 rear end through hinged shaft 26 below connecting shaft 18, and the amplitude modulation One half shaft 11 of the mechanism is connected with the speed reducer 7 through the frequency modulation transmission mechanism.

As a preferred embodiment of the present invention, in Fig. 1, the frequency modulation transmission mechanism is composed of a driving sprocket 8, a transmission chain 9, and a driven sprocket 10, and the outer end of the left half shaft 11 of the amplitude modulation mechanism is provided with a driven Sprocket 10, the left end of the horizontal output shaft of the speed reducer 7 is provided with a driving sprocket 8, and the driven sprocket 10 is connected with the driving sprocket 8 through the transmission chain 9, and by replacing the driving sprocket 8 and the driven sprocket with different numbers of teeth 10. Different transmission ratios can be obtained, and the rotation speed of the crankshaft can be changed to realize the adjustment of the vibration frequency of the deep loosening shovel.

As a preferred embodiment of the present invention, as shown in Figure 1, the subsoiling shovel handle 17 and the rear end of the frame 1 are respectively provided with installation holes arranged at the same spacing along the vertical direction, and the subsoiling shovel handle 17 and the rear end of the frame 1 The mounting holes of the two ends are configured coaxially and hinged by the hinge shaft 26.

As a preferred embodiment of the present invention, in Fig. 1 and Fig. 4, a tensioning device 19 is arranged below the transmission chain 9, and the tensioning device 19 consists of a fixed plate 20, a support beam 21, a sleeve 22, a clip spring 23, pole 24, tensioning pulley 25 are made up of, and support beam 21 is arranged horizontally on the fixed plate 20, and sleeve pipe 22 is vertically arranged on the plane on the outer end of support beam 21, and sleeve pipe 22 outer cover clip spring 23, pole 24 can Slidingly and vertically inserted in the casing 22, the bottom end of the compression spring 23 is supported on the upper plane of the support beam 21, and the top end of the compression spring 23 is supported on the support at the upper end of the support rod 24, which is rotatable on the support at the upper end of the support rod 24. Ground tensioner 25 is set, and fixed plate 20 is fixed on this frame 1, and this tensioner 25 is supported on the lower drive limit chain of transmission chain 9.

When the vibratory subsoiler is in operation, the suspension frame 3 is connected to the supporting tractor suspension mechanism, and the tractor power output shaft and the reducer 7 are connected through the cardan shaft. The amplitude modulation mechanism and frequency modulation transmission mechanism of the vibratory subsoiler work. The subsoiler shovel 5 starts to vibrate back and forth relative to the frame. At this time, the hydraulic system of the matching tractor is controlled to control the suspension mechanism. and the subsoiler shovel 5 successively enter the soil, the grass cutting disc 4 cuts the grass and breaks the soil in front, the subsoiler shovel 5 deeply loosens the plowed layer soil, and the subsoiler shovel vibrates at the set amplitude and vibration frequency, which can effectively remove the soil The floating soil on the surface reduces frictional resistance, improves the quality and production efficiency of cultivated land operations, and reduces the cost of production operations. Its plowing operation depth can be realized by adjusting the depth gauge wheel 6 installation heights. During the cultivation process, the amplitude and vibration frequency of the subsoiling shovel can be adjusted according to the soil condition of the field. After loosening the bolts, the left and right connecting plates 12 can be slid arbitrarily along the two long positioning holes 14. By changing the left and right connecting plates 12 With the mounting positions of the two positioning long holes 14 of the wheel disc 13, the distance between the axis center of the wheel disc 13 and the axis centers of the left and right half shafts 11 is changed, so that the crank shaft formed by the left and right half shafts 11 and the wheel disc 13 The radius of eccentric gyration is changed to adjust the amplitude of the subsoiling shovel; by changing the number of teeth of the driving sprocket 8 and the driven sprocket 10, different transmission ratios can be obtained conveniently, so that the left and right half shafts 11 and the wheel disc 13 constitute a crank The shaft speed changes to realize the adjustment of the vibration frequency of the deep loosening shovel. In this way, the best vibration parameters of the subsoiler can be obtained, so that the subsoiler can work under optimal conditions, reduce tillage resistance, reduce energy consumption, reduce operating costs, and improve operating quality and production efficiency.

The amplitude modulation mechanism of the invention can continuously change the amplitude from zero distance. In addition, by changing the installation position of the subsoiling shovel handle 17 and the hinge shaft 26 at the rear end of the frame 1, the amplitude of the subsoiling shovel can be further changed independently of the amplitude modulation mechanism. After being combined with the amplitude modulation mechanism, the subsoiling shovel can be obtained. Larger amplitude adjustment range.

In order to improve the working efficiency, it is possible to increase the operating width by adding a plurality of grass cutting discs 4 and subsoiling shovels 5, combining one or more amplitude modulation mechanisms and frequency modulation transmission mechanisms, and supporting larger power tractors. However, the above changes do not cause changes in structural features, and all are within the protection scope of the present invention.

The invention is suitable for soil deep loosening and plowing operations.

Claims (4)

1. A vibratory subsoiler, comprising a frame (1) and legs (2) mounted on the frame (1), a suspension frame (3), a grass cutting disc (4), a subsoiler (5), depth-limiting wheel (6), reducer (7), subsoiling shovel (5) is installed on the rear end of the frame (1) through the subsoiling shovel handle (17), and the grass cutting disc (4) is located Right in front of the subsoiling shovel (5), two depth-limiting wheels (6) are arranged symmetrically on both sides of the subsoiling shovel (5), and the speed reducer (7) is arranged above the front of the frame (1), which is characterized in that: It also includes an amplitude modulation mechanism and a frequency modulation transmission mechanism. The amplitude modulation mechanism is arranged above the frame (1), and is located between the reducer (7) and the subsoiling shovel handle (17). The half shaft (11), the connecting plate ( 12), wheel disc (13), positioning long hole (14), crank sleeve (15), connecting rod (16), the wheel disc (13) is designed as a disc shape, along the vertical direction of the end face of the wheel disc (13) Symmetry is provided with two through positioning long holes (14), and the inner ends of the left and right half shafts (11) are respectively vertically provided with connecting discs (12), and the two connecting discs (12) are pressed and pasted on the wheel disc (13) respectively. ), the bolts pass through the left and right connecting plates (12) and the two positioning long holes (14), so that the left and right half shafts (11) pass through the left and right connecting plates (12) to connect the wheel disc ( 13) Clamping and fixing are connected to each other as a whole, and the left and right semi-axes (11) are coaxially located on the symmetrical center planes of the two positioning long holes (14), so that the left and right semi-axes (11) are aligned with the wheel disc ( 13) constitute the crankshaft, the left and right half shafts (11) are rotatably supported on the frame (1), and the wheel disc (13) is rotatably fitted with a crank sleeve (15), on which the crank sleeve (15) A connecting rod (16) is arranged, and the outer end of the connecting rod (16) is hinged to the upper end of the subsoiling shovel handle (17) through a connecting shaft (18), and the subsoiling shovel handle (17) is hinged at the bottom of the connecting shaft (18). The shaft (26) is hinged with the rear end of the frame (1), and one side half shaft (11) of the amplitude modulation mechanism is connected with the speed reducer (7) through a frequency modulation transmission mechanism. 2. The vibrating subsoiler according to claim 1, characterized in that: the frequency modulation transmission mechanism is composed of a driving sprocket (8), a transmission chain (9) and a driven sprocket (10), and the amplitude modulation mechanism The outer end of the left half shaft (11) is provided with a driven sprocket (10), the left end of the transverse output shaft of the reducer (7) is provided with a driving sprocket (8), and the driven sprocket (10) passes through the drive chain (9) is connected with driving sprocket (8). 3. The vibratory subsoiler according to claim 1 or 2, characterized in that: the subsoiler handle (17) and the rear end of the frame (1) are respectively provided with installation holes with the same spacing along the vertical direction, The mounting holes of the subsoiling shovel handle (17) and the rear end of the frame (1) are arranged concentrically and hinged by a hinge shaft (26). 4. The vibratory subsoiler according to claim 2, characterized in that: a tensioning device (19) is arranged below the transmission chain (9), and the tensioning device (19) is formed by a fixed plate (20) , a support beam (21), a sleeve (22), a clip spring (23), a support rod (24), and a tensioning wheel (25). (21) Sleeve (22) is vertically arranged on the plane on the outer end, and stage clip (23) is set on the outside of casing (22), and pole (24) is slidably inserted vertically in the casing (22). (23) the bottom is supported on the upper plane of the support beam (21), and the top of the stage clip (23) is supported on the upper support of the support rod (24). Tightening wheel (25), fixed plate (20) is fixed on this frame (1), and this tensioning wheel (25) is supported on the lower transmission side chain of transmission chain (9).

Images