CN116326306A - A tractor-driven rear-mounted spreader - Google Patents

Abstract

The invention relates to the field of agricultural fertilizer spreading equipment, in particular to a tractor-driven post-mounted material spreading machine, including a frame and a material box, a main shaft and a secondary shaft are connected with a fixed axis on the frame, and the main shaft and the secondary shaft pass through a sprocket It is connected with the chain drive, and the chain is fixed with a plurality of scraping grooves. The hydraulic motor 1 is fixed on the frame, and the hydraulic motor 1 is connected with the main shaft drive. The hydraulic motor 2 is arranged on the frame. The output shaft end of the hydraulic motor 2 is fixed with a The turntable is inclined on the horizontal plane, and the frame is equipped with a hydraulic drive system. The hydraulic drive system drives hydraulic motor 1 and hydraulic motor 2 respectively through hydraulic pressure, so that hydraulic motor 1 drives the scraper to remove the waste in the material box from the discharge port. At the same time, hydraulic motor 2 drives the turntable to rotate to scatter the waste. This kind of tractor-driven rear-mounted spreader can discharge the fertilizer in the material box stably and efficiently, and at the same time drive the turntable to spread the discharged fertilizer evenly, which improves the work efficiency.

Description

A rear-mounted material spreader driven by a tractor

technical field

The invention relates to the field of agricultural fertilizer spreading equipment, in particular to a rear-mounted material spreading machine driven by a tractor.

Background technique

Existing equipment for fertilizing agricultural land spreads fertilizer unevenly during fertilization operations, resulting in the inability of fertilizers to act uniformly on various positions of the land, so precise fertilization cannot be performed, and the spreading area is small, resulting in poor work efficiency. In addition, the fertilizer is easy to accumulate in the material box, which makes it inconvenient to discharge the fertilizer. In view of this, we propose a tractor-driven rear-mounted spreader.

Contents of the invention

The object of the present invention is to provide a rear-mounted material spreader driven by a tractor, so as to solve the problems raised in the above-mentioned background technology. In order to achieve the above object, the present invention provides the following technical solutions: a tractor-driven rear-mounted spreader, including a frame with road wheels and a material box fixed on the frame, and the frame is fixedly rotated and connected with The main shaft and the auxiliary shaft, and the main shaft and the auxiliary shaft are connected by a sprocket and a chain transmission. There are multiple scraping grooves fixed on the chain. The chain is arranged at the discharge port opened at the bottom of the material box. The hydraulic motor is connected with the main shaft transmission;

The frame is provided with a hydraulic motor 2, and the output shaft end of the hydraulic motor 2 is fixed with a turntable inclined to the horizontal plane;

The frame is equipped with a hydraulic drive system, and the hydraulic drive system drives hydraulic motor 1 and hydraulic motor 2 to work through hydraulic pressure, and makes hydraulic motor 1 drive the scraper to discharge the waste in the material box from the discharge port to the turntable, and at the same time hydraulic motor 2 drives the turntable to rotate to scatter the waste;

The first connecting plate and the second connecting plate for connecting with the tractor are respectively fixed on the frame and the material box, and the hydraulic drive system is connected with the tail output shaft of the tractor through a coupling.

Preferably, a cover plate is detachably fixed on the upper end of the material box.

Preferably, a plurality of the scraping grooves are arranged at equal intervals along the length of the chain, and each of the scraping grooves is arranged parallel to each other.

Preferably, the hydraulic drive system includes a hydraulic oil tank and a gear pump fixed on the frame. The gear pump is connected to the tail output shaft of the tractor through a coupling. The inlet end of the gear pump is connected to the bottom of the side wall of the hydraulic oil tank through a liquid pipe. The opened oil outlets are connected, and the hydraulic oil tank is also provided with a filling port and an oil return port.

Preferably, a first regulating valve is fixed on the outer wall of the material box, the outlet end of the gear pump is connected to the bottom inlet port of the first regulating valve through liquid pipe two, and the upper outlet end of the first regulating valve is connected to the bottom inlet port of the first regulating valve through liquid pipe three. The inlet port of the hydraulic motor one is connected, the pressure relief port of the first regulating valve is connected with the oil return port through the liquid pipe seven, and the outlet port of the hydraulic motor one is connected with the oil return port through the liquid pipe four.

Preferably, a second regulating valve is fixed on the outer wall of the material box, the outlet end of the gear pump is connected with the bottom inlet port of the second regulating valve through liquid pipe eight, and the upper outlet end of the second regulating valve passes through liquid pipe nine, The liquid pipe ten is connected to the inlet port of the hydraulic motor two, the pressure relief port of the second regulating valve is connected to the oil return port through the liquid pipe twelve, and the outlet port of the hydraulic motor two is connected to the oil return port through the liquid pipe eleven .

Preferably, a cooler is fixed on the hydraulic oil tank, the outlet end of the cooler is connected to the oil return port through liquid pipe six, and the inlet end of the cooler is respectively connected to liquid pipe four, liquid pipe seven, and liquid pipe eleven through liquid pipe five 12-phase connection of liquid pipes.

Compared with prior art, the beneficial effect of the present invention:

In the present invention, the scraping groove is driven by driving the hydraulic drive system to discharge the fertilizer in the material box stably and efficiently, avoiding the accumulation of fertilizer, and at the same time, the turntable is driven to spread the discharged fertilizer evenly, thereby expanding the area of fertilizer spreading, and It makes the fertilizer spread more evenly, and the fertilizer is spread at the same time as the discharge, which improves the work efficiency.

In the present invention, the cooler is used to cool the returned hydraulic oil, so as to ensure the stability of the hydraulic oil and keep it in a stable working state, thereby improving the working efficiency.

Description of drawings

Fig. 1 is the front view of the assembly structure of the present invention;

Fig. 2 is the right view of the assembly structure of the present invention;

Fig. 3 is a partial sectional view in Fig. 2;

Fig. 4 is a schematic diagram of the connection structure of the hydraulic system in the present invention.

In the figure: 1. Rack; 2. Material box; 3. Cover plate; 4. Connecting plate 1; 5. Secondary shaft; 6. First regulating valve; 7. Hydraulic oil tank; 8. Cooler; 9. Connecting plate Two; 10. The second regulating valve; 11. Hydraulic motor one; 12. Main shaft; 13. Turntable; 14. Traveling wheel; 15. Gear pump; 16. Oil return port; 17. Filling port; 18. Oil outlet ;19, liquid pipe one; 20, hydraulic motor two; 21, sprocket wheel; 22, chain; 23, scraper groove; 24, liquid pipe two; 25, liquid pipe three; 26, liquid pipe four; 27, liquid pipe five ;28, liquid pipe six; 29, liquid pipe seven; 30, liquid pipe eight; 31, liquid pipe nine; 32, liquid pipe ten; 33, liquid pipe eleven; 34, liquid pipe twelve; 35, discharge port .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Referring to Fig. 1 to Fig. 4, the present invention provides a technical solution: a rear-mounted spreader driven by a tractor, comprising a frame 1 with road wheels 14 and a material box 2 fixed on the frame 1, The upper end of the material box 2 is detachably fixed with a cover plate 3, such as a snap-fit fixed connection, a main shaft 12 and a secondary shaft 5 are connected with a fixed axis on the frame 1, and the main shaft 12 and the secondary shaft 5 pass through the sprocket 21 and the chain 22 transmission connection, the chain 22 is fixed with a plurality of scraping grooves 23, a plurality of said scraping grooves 23 are arranged at equal intervals along the length of the chain 22, and each of the said scraping grooves 23 is arranged parallel to each other, and the chain 22 is arranged on the material box 2 There are 35 discharge ports at the bottom, a hydraulic motor 11 is fixed on the frame 1, and the hydraulic motor 11 is connected to the main shaft 12 through transmission;

The frame 1 is provided with a hydraulic motor two 20, and the output shaft end of the hydraulic motor two 20 is fixed with a turntable 13 inclined to the horizontal plane, and the turntable 13 is provided with a plurality of vanes;

The frame 1 is provided with a hydraulic drive system, and the hydraulic drive system drives the hydraulic motor one 11 and the hydraulic motor two 20 respectively through hydraulic pressure, and makes the hydraulic motor one 11 drive the scraping groove 23 to remove the waste materials in the material box 2 Discharge from the discharge port 35 to the turntable 13, and at the same time, the hydraulic motor 220 drives the turntable 13 to rotate to scatter the waste materials;

The first connecting plate 4 and the second connecting plate 9 for connecting with the tractor are respectively fixed on the frame 1 and the material box 2, and the hydraulic drive system is connected with the tail output shaft of the tractor through a coupling.

In this embodiment, the hydraulic drive system includes a hydraulic oil tank 7 and a gear pump 15 fixed on the frame 1, and the hydraulic oil tank 7 and the gear pump 15 are all arranged on the side facing the tractor. The tail output shaft of the tractor is connected by transmission, and the inlet end of the gear pump 15 is connected with the oil outlet 18 opened at the bottom of the side wall of the hydraulic oil tank 7 through the liquid pipe 19, and the hydraulic oil tank 7 is also provided with a filling port 17 and an oil return port. Port 16, a first regulating valve 6 is fixed on the outer wall of the material box 2, the outlet end of the gear pump 15 is connected with the bottom inlet port of the first regulating valve 6 through the liquid pipe two 24, and the upper outlet of the first regulating valve 6 end is connected with the inlet end of hydraulic motor one 11 through liquid pipe three 25, the pressure relief port of the first regulating valve 6 is connected with oil return port 16 through liquid pipe seven 29, and the outlet end of hydraulic motor one 11 is connected through liquid pipe four 26 is connected with the oil return port 16, and the second regulating valve 10 is fixed on the outer wall of the material box 2, and the outlet port of the gear pump 15 is connected with the bottom inlet port of the second regulating valve 10 through the liquid pipe 830, and the second The upper outlet port of the regulating valve 10 is connected with the inlet port of the hydraulic motor 2 20 through the liquid pipe 9 31 and the liquid pipe 10 32 , and the pressure relief port of the second regulating valve 10 is connected with the oil return port 16 through the liquid pipe 12 34 , the outlet end of the hydraulic motor two 20 is connected with the oil return port 16 through the liquid pipe eleven 33 .

In this embodiment, a cooler 8 is fixed on the hydraulic oil tank 7, the outlet end of the cooler 8 is connected to the oil return port 16 through the liquid pipe six 28, and the inlet end of the cooler 8 is respectively connected to the liquid pipe four through the liquid pipe five 27. 26, liquid pipe seven 29, liquid pipe eleven 33, liquid pipe twelve 34 are connected.

The present invention and its advantages: when the tractor-driven rear-mounted spreader is in use, the working process is as follows:

As shown in Figure 1 and Figure 4, the output shaft at the rear of the tractor drives the gear pump 15 to work through the coupling, so that the gear pump 15 can extract the hydraulic pressure inside the hydraulic oil tank 7 through the liquid pipe 19, and after pressurization, pass through the hydraulic pressure Pipe two 24 and liquid pipe eight 30 output, and the tractor pulls the frame 1 to move, the hydraulic oil output by liquid pipe two 24 enters the first regulating valve 6, and is delivered to the hydraulic motor by the first regulating valve 6 through liquid pipe three 25 Inside the first 11, the hydraulic motor one 11 drives the main shaft 12 to rotate, and the hydraulic oil output by the hydraulic motor one 11 is transported to the interior of the liquid pipe five 27 through the liquid pipe four 26, and is transported to the inside of the cooler 8 by the liquid pipe five 27. After the hydraulic oil is cooled, it is transported to the interior of the hydraulic oil tank 7 by the liquid pipe 6 28, as shown in Figure 3, and the hydraulic motor 11 drives the main shaft 12 to rotate under the hydraulic drive, so that the main shaft 12 drives multiple The first scraper 23 circulates and moves with the chain 22, so that the scraper 23 drives the fertilizer at the bottom of the material box 2 to be discharged from the discharge port 35 during the movement, so that the fertilizer inside the material box 2 can be smoothly discharged to avoid fertilizer Accumulation, and the flow rate and pressure of the hydraulic oil can be adjusted through the first regulating valve 6, so that the hydraulic motor 11 can adjust the speed of the scraper 23, and then adjust the discharge speed, so as to adjust the amount of fertilizer according to different land conditions. The liquid pipe The hydraulic oil output by eighth 30 enters the second regulating valve 10, and is transported by the second regulating valve 10 to the inside of the hydraulic motor two 20 through the liquid pipe nine 31, so that the hydraulic motor two 20 drives the turntable 13 to rotate, so that the turntable 13 synchronously drives the blades The plate disperses the fertilizer discharged from the discharge port 35, thereby expanding the fertilizer spreading area and making the fertilizer spreading more uniform, and spreading the fertilizer at the same time as discharging, which improves the work efficiency. The output of the hydraulic motor 220 The hydraulic oil is transported to the interior of the liquid pipe 5 27 through the liquid pipe 11 33, and is transported to the interior of the cooler 8 by the liquid pipe 5 27, and then transported to the interior of the hydraulic oil tank 7 by the liquid pipe 6 28 after cooling the hydraulic oil, and the cooling The device 8 cools down the returning hydraulic oil, so as to ensure the stability of the hydraulic oil and keep it in a stable working state, thereby improving work efficiency.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Claims (7)

1. Rear-mounted spreader based on tractor drive, including frame (1) and workbin (2) of fixing on frame (1) that have walking wheel (14), its characterized in that: the device is characterized in that a main shaft (12) and a secondary shaft (5) are fixedly connected to the frame (1) in a rotating way, the main shaft (12) and the secondary shaft (5) are in transmission connection with a chain (22) through a chain wheel (21), a plurality of scraping grooves (23) are fixed on the chain (22), the chain (22) is arranged at a discharge hole (35) formed in the bottom of the feed box (2), a first hydraulic motor (11) is fixed on the frame (1), and the first hydraulic motor (11) is in transmission connection with the main shaft (12);

a second hydraulic motor (20) is arranged on the frame (1), and a turntable (13) which is obliquely arranged with the horizontal plane is fixed at the output shaft end of the second hydraulic motor (20);

the hydraulic driving system is arranged on the frame (1), and the hydraulic driving system respectively drives the first hydraulic motor (11) and the second hydraulic motor (20) to work through hydraulic pressure, so that the first hydraulic motor (11) drives the scraping groove (23) to discharge waste materials in the feed box (2) onto the rotary table (13) from the discharge hole (35), and meanwhile, the second hydraulic motor (20) drives the rotary table (13) to rotate to throw and scatter the waste materials;

the hydraulic driving system is in transmission connection with the tail output shaft of the tractor through a coupler.

2. A tractor-driven rear-mounted spreader as defined by claim 1 wherein: the upper end of the feed box (2) is detachably fixed with a cover plate (3).

3. A tractor-driven rear-mounted spreader as defined by claim 1 wherein: the scraping grooves (23) are arranged at equal intervals along the length direction of the chain (22), and the scraping grooves (23) are mutually parallel.

4. A tractor-driven rear-mounted spreader as defined by claim 1 wherein: the hydraulic driving system comprises a hydraulic oil tank (7) and a gear pump (15) which are fixed on the frame (1), the gear pump (15) is in transmission connection with the tail output shaft of the tractor through a coupling, the inlet end of the gear pump (15) is connected with an oil outlet (18) formed in the bottom of the side wall of the hydraulic oil tank (7) through a first liquid pipe (19), and a filling port (17) and an oil return port (16) are further formed in the hydraulic oil tank (7).

5. The tractor-driven rear-mounted spreader of claim 4, wherein: the automatic oil return device is characterized in that a first regulating valve (6) is fixed on the outer side wall of the feed box (2), the outlet end of the gear pump (15) is connected with the bottom inlet end of the first regulating valve (6) through a second liquid pipe (24), the upper outlet end of the first regulating valve (6) is connected with the inlet end of the first hydraulic motor (11) through a third liquid pipe (25), the pressure relief port of the first regulating valve (6) is connected with the oil return port (16) through a seventh liquid pipe (29), and the outlet end of the first hydraulic motor (11) is connected with the oil return port (16) through a fourth liquid pipe (26).

6. A tractor-driven rear-mounted spreader as defined by claim 5 wherein: be fixed with second governing valve (10) on the lateral wall of workbin (2), the exit end of gear pump (15) is connected with the bottom entrance point of second governing valve (10) through liquid pipe eight (30), the upper portion exit end of second governing valve (10) is connected with the entrance point of hydraulic motor two (20) through liquid pipe nine (31), liquid pipe ten (32), the pressure release port of second governing valve (10) is connected with oil return opening (16) through liquid pipe twelve (34), the exit end of hydraulic motor two (20) is connected with oil return opening (16) through liquid pipe eleven (33).

7. The tractor-driven rear-mounted spreader of claim 6, wherein: the hydraulic oil tank (7) is fixedly provided with a cooler (8), the outlet end of the cooler (8) is connected with an oil return port (16) through a liquid pipe six (28), and the inlet end of the cooler (8) is respectively connected with a liquid pipe four (26), a liquid pipe seven (29), a liquid pipe eleven (33) and a liquid pipe twelve (34) through a liquid pipe five (27).

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