Strip tillage land preparation machine capable of adjusting row spacing

Abstract

A strip tillage land preparation machine capable of adjusting row spacing belongs to the field of agricultural machinery and comprises a middle tillage device and side tillage devices located on two sides of the middle tillage device, the side tillage devices are in sliding sleeve connection with a rack through two sliding sleeves, a hydraulic cylinder is arranged between each sliding sleeve and the rack, an oil inlet pipe of each hydraulic cylinder is communicated with a hydraulic synchronous shunt motor, and an oil outlet pipe of each hydraulic cylinder is communicated with an oil outlet pipe of the corresponding hydraulic synchronous shunt motor. The hydraulic synchronous shunt motor is communicated with an oil outlet pipe of a hydraulic system of the walking machine, an oil outlet pipe of the hydraulic cylinder is communicated with an oil inlet pipe of the hydraulic system of the walking machine, a manual line spacing regulator is arranged between the sliding sleeve and the rack, and a scale plate is arranged below the manual line spacing regulator. Due to the arrangement of the hydraulic synchronous shunt motor, the line spacing adjustment width is accurate, the adjustment precision is improved, and when the resistance borne by the transmission system of the strip tillage land preparation machine capable of adjusting the line spacing is too large, the overload protector can cut off power output, so that the transmission system is protected from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery, in particular to a strip tillage and land preparation machine with adjustable row spacing. BACKGROUND

[0002] The existing strip tillage and land preparation machine with three rows and adjustable row spacing has a hydraulic cylinder of a side tillage device directly communicated with a hydraulic pump of a walking mechanism of the strip tillage and land preparation machine with adjustable row spacing, which causes uneven pressure distribution and non-uniform row spacing adjustment and low adjustment accuracy.

[0003] When the resistance received by the transmission system of the strip tillage and land preparation machine is too large, the transmission system is easily damaged. SUMMARY

[0004] The utility model aims at solving the problems of non-uniform row spacing adjustment and low adjustment accuracy of the existing strip tillage and land preparation machine with three rows and adjustable row spacing.

[0005] Another purpose of the utility model is to solve the problem of easy damage of the transmission system when the resistance received by the transmission system of the strip tillage and land preparation machine is too large.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A strip tillage and land preparation machine with adjustable row spacing comprises a middle tillage device and side tillage devices located on both sides of the middle tillage device, the side tillage devices are slidably connected with a rack through two sliding sleeves, a hydraulic cylinder is arranged between each sliding sleeve and the rack, an oil inlet pipe of each hydraulic cylinder is communicated with a hydraulic synchronous shunt motor, the hydraulic synchronous shunt motor is communicated with an oil outlet pipe of a hydraulic system of a walking mechanism of the strip tillage and land preparation machine with adjustable row spacing, and an oil outlet pipe of each hydraulic cylinder is communicated with an oil inlet pipe of the hydraulic system of the walking mechanism.

[0008] The sliding sleeve and the rack are provided with a manual row spacing adjuster, the manual row spacing adjuster is arranged on the sliding sleeve, a scale card is arranged below the manual row spacing adjuster, the scale card is arranged on the sliding sleeve or the rack, and the scale card is used for displaying adjustment accuracy.

[0009] The strip tillage and land preparation machine with adjustable row spacing is provided with a main gear box, an output shaft of the main gear box is provided with an overload protector, and the overload protector is prior art.

[0010] The working process of the utility model is as follows:

[0011] The arrangement of the hydraulic synchronous shunt motor can realize synchronous adjustment of the side tillage devices, thereby accurately adjusting the row spacing width, the adjustment range is 580mm-660mm, the adjustment accuracy is less than 10mm, the manual row spacing adjuster is used for assistance, and the adjustment accuracy can be less than 3mm.

[0012] The overload protector is arranged to cut off the power output when the resistance received by the transmission system of the strip tillage and land preparation machine is too large, so as to protect the transmission system from being damaged.

[0013] The utility model discloses the beneficial effect of:

[0014] 1, the setting of hydraulic synchronous shunt motor can make the side tillage device synchronous regulation, and further make the width of row spacing regulation accurate, and the regulation range is 580mm~660mm, and the regulation accuracy is less than 10mm, and the auxiliary manual row spacing regulator, and the regulation accuracy can be less than 3mm.

[0015] 2, when the resistance received by the transmission system of the strip tillage and land preparation machine is too large, the overload protector can cut off the power output, so as to protect the transmission system from being damaged. DRAWINGS

[0016] Figure 1 It is the top view of the utility model;

[0017] Figure 2 It is the side view of the utility model;

[0018] Figure 3 It is the top view of the side tillage device of the utility model. CONCRETE IMPLEMENTING METHOD

[0019] As Figure 1 , Figure 2 and Figure 3 Indicated, a strip tillage and land preparation machine with adjustable row spacing, comprising middle tillage device A, side tillage device B located on both sides of middle tillage device A, side tillage device B is slidably connected with rack 2 through two sliding sleeves 1, hydraulic cylinder 3 is arranged between each sliding sleeve 1 and rack 2, the oil inlet pipe 5 of each hydraulic cylinder 3 is communicated with hydraulic synchronous shunt motor 4, the oil outlet pipe of hydraulic synchronous shunt motor 4 is communicated with the oil inlet pipe of the hydraulic system of the walking machine that drives the strip tillage and land preparation machine with adjustable row spacing, and the oil outlet pipe 10 of each hydraulic cylinder 3 is communicated with the oil inlet pipe of the hydraulic system of the walking machine.

[0020] The sliding sleeve 1 and the rack 2 have a manual row spacing regulator 6, the manual row spacing regulator 6 is arranged on the sliding sleeve 1, and the manual row spacing regulator 6 has a scale card 7 below, the scale card 7 is arranged on the sliding sleeve 1 or the rack 2, and the scale card 7 is used to display the regulation accuracy.

[0021] The strip tillage and land preparation machine with adjustable row spacing has a main gear box 8, and the output shaft of the main gear box 8 is provided with an overload protector 9, and the overload protector 9 is prior art.

[0022] The working process of the embodiment is as follows:

[0023] As Figure 1 , Figure 2 and Figure 3 shown, the hydraulic synchronous split-flow motor 4 is arranged to synchronize the side tillage device B, so as to accurately adjust the row spacing width, the adjustment range is 580mm-660mm, the adjustment accuracy is less than 10mm, the auxiliary manual row spacing adjuster 6, the adjustment accuracy can be less than 3mm.

[0024] The overload protector 9 is arranged, when the resistance of the transmission system of the adjustable row spacing strip tillage and grading machine is too large, the overload protector 9 can cut off the power output, so as to protect the transmission system from being damaged.

Claims

1. An adjustable row spacing strip tillage machine, comprising a central tillage device (A) and side tillage devices (B) located on both sides of the central tillage device (A), wherein the side tillage devices (B) are slidably connected to the frame (2) via two sliding sleeves (1), and a hydraulic cylinder (3) is provided between each sliding sleeve (1) and the frame (2), characterized in that: The oil inlet pipe (5) of each hydraulic cylinder (3) is connected to the hydraulic synchronous split motor (4), the hydraulic synchronous split motor (4) is connected to the oil outlet pipe of the hydraulic system of the walking machinery that drives the adjustable row spacing strip tillage machine, and the oil outlet pipe (10) of each hydraulic cylinder (3) is connected to the oil inlet pipe of the hydraulic system of the walking machinery.

2. The adjustable row spacing strip tillage machine according to claim 1, characterized in that: The sliding sleeve (1) and the frame (2) are provided with a manual row spacing adjuster (6). The manual row spacing adjuster (6) is set on the sliding sleeve (1). Below the manual row spacing adjuster (6) is a scale plate (7). The scale plate (7) is set on the sliding sleeve (1) or the frame (2).

3. The adjustable row spacing strip tillage machine according to claim 1, characterized in that: The adjustable row spacing strip tillage machine has a main gearbox (8), and the output shaft of the main gearbox (8) is equipped with an overload protector (9).

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