Agricultural land leveler for dry land

Abstract

The utility model relates to the technical field of land levelers, and discloses an agricultural land leveler for dry land, which comprises a walking device and a soil scraping plate, a folding hydraulic oil cylinder is mounted at the front end of the soil scraping plate, a soil leveling steel frame is mounted in the middle of the soil scraping plate, and a hydraulic electric control distributor is mounted at the upper end of the soil leveling steel frame. A high-pressure filter is installed at the upper end of the right side of the soil leveling steel frame, a satellite hydraulic oil cylinder is installed in the middle of the soil leveling steel frame, and the walking device is in threaded connection with the right side surface of the soil scraping plate. According to the agricultural land leveler for the dry land, by arranging a connecting disc, a sliding frame and moving rollers, the balance of a soil scraping plate can be kept, the soil scraping plate can be effectively prevented from colliding with the ground, and the safety of the soil scraping plate can be protected, so that the position of a limiting metal plate can be adjusted, and sliding frames of different specifications can be conveniently used according to display conditions; therefore, the service time of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of land graders, in particular to an agricultural land grader for dry land. Background Art

[0002] Dryland refers to land without irrigation facilities, which mainly relies on natural precipitation to nourish the growth of crops. In agriculture, dryland cultivation is common in some areas where water resources are relatively scarce. Crops suitable for dryland cultivation usually have strong drought resistance and can grow under less water conditions, and some water-saving measures need to be taken to ensure the growth and development of crops.

[0003] An agricultural grader is a kind of mechanical equipment used for farmland operations, mainly used for land leveling, plowing, cultivation, fertilization, etc. It can improve the efficiency of farmland operations and reduce the labor intensity of farmers. It is one of the indispensable and important tools in modern agricultural production.

[0004] When the existing grader moves, when the grader encounters uneven ground, the scraper board is likely to vibrate up and down, causing the scraper board to collide with the ground, which may cause damage to the lower end of the scraper board and require a lot of time to repair the scraper board. Utility Model Content

[0005] The purpose of the utility model is to provide an agricultural grader for dry land to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural grader for dry land, comprising a walking device and a scraper blade, a folding hydraulic cylinder is installed at the front end of the scraper blade, a leveling steel frame is installed at the middle position of the scraper blade, a hydraulic electric control distributor is installed at the upper end of the leveling steel frame, a high-pressure filter is installed at the upper right end of the leveling steel frame, a satellite hydraulic cylinder is installed at the middle position of the leveling steel frame, the walking device is threadedly connected to the right side surface of the scraper blade, and the high-pressure filter filters impurities in the hydraulic oil to reduce Reduce the failure rate and increase the service life of hydraulic components. The hydraulic electronic control distributor can transmit signals to the controller via satellite or sensors to open or close the hydraulic electronic control distributor to control the extension and retraction of the cylinder to adjust the height or angle of the machine. The scraper blade can be adjusted in height by the cylinder to achieve the functions of scraping and releasing soil, thereby achieving the effect of land leveling. The satellite hydraulic cylinder can be controlled by satellite signals. The folding hydraulic cylinder can adjust the scraper blade to fold or unfold through the extension and retraction of this cylinder, thereby achieving the required adjustment of the working width and smooth passage through the width of the road during transportation.

[0007] The walking device includes a connecting disk, a movable roller, a coil spring, a sliding frame and a connecting device, wherein the movable roller is located at the lower end of the walking device, the movable roller is installed at the lower end of the sliding frame, the coil spring is installed at the lower end of the sliding frame, the connecting device is movably connected to the top surface of the coil spring, and the connecting device is threadedly connected to the center position of the connecting disk.

[0008] Preferably, the connecting device includes a connecting member, a limiting metal plate, a limiting threaded rod and a rotating disk, the rotating disk is located at the left end of the connecting device, the rotating disk is threadedly connected to the left end of the connecting member, the connecting member is fixedly connected to the right side surface of the limiting threaded rod, and the connecting member is movably connected to the left side surface of the limiting metal plate.

[0009] Preferably, the limiting threaded rod is movably connected to the inner wall surface of the limiting metal plate, the rotating disk is movably connected to the right end inner wall surface of the connecting disk, the right end of the limiting threaded rod is threadedly connected with a nut, and the nut is connected to the right side surface of the limiting metal plate, so that the position of the limiting metal plate can be determined.

[0010] Preferably, the limiting metal plate is movably connected to the middle position of the sliding frame, and the limiting metal plate is fixedly connected to the top surface of the coil spring. The sliding frame consists of a vertical threaded rod and an inverted U-shaped metal plate. A movable roller is installed inside the inverted U-shaped metal plate, and the inverted U-shaped metal plate is connected to the bottom surface of the coil spring.

[0011] Preferably, the connecting plate is threadedly connected to the right side surface of the scraper plate, and there are two connecting plates, which are distributed on the left and right. At the same time, the connecting plate is composed of a metal ring, a metal plate and a metal column, and the diameter of the hole opened in the center of the metal ring is larger than the diameter of the hole opened in the center of the metal plate.

[0012] Preferably, the number of the limiting threaded rods is four, two of the limiting threaded rods form a group, and the two groups of limiting threaded rods are distributed front and back.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The dryland agricultural grader can maintain the balance of the scraper blade by being provided with a connecting plate, a sliding frame and a movable roller, can effectively prevent the scraper blade from colliding with the ground, can protect the safety of the scraper blade, and thus can increase the service life of the device.

[0015] 2. The agricultural grader for dry land is provided with a limit threaded rod, a limit metal plate and a sliding frame, so that the position of the limit metal plate can be adjusted, and sliding frames of different specifications can be used according to display conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the walking device of the utility model;

[0018] Figure 3 This is a top view schematic diagram of the walking device of the utility model;

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the cross section at AA;

[0020] Figure 5 For this utility model Figure 4 A local enlarged schematic diagram of the structure at point A in the figure.

[0021] In the figure: 1. walking device; 11. connecting plate; 12. moving roller; 13. spiral spring; 14. sliding frame; 15. connecting device; 151. connecting piece; 152. limiting metal plate; 153. limiting threaded rod; 154. rotating plate; 2. hydraulic electric control distributor; 3. high-pressure filter; 4. scraper plate; 5. satellite hydraulic cylinder; 6. folding hydraulic cylinder; 7. leveling steel frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 , the utility model provides the following technical solutions:

[0024] A dryland agricultural grader comprises a travel device 1 and a scraper blade 4, a folding hydraulic oil cylinder 6 is installed at the front end of the scraper blade 4, a leveling steel frame 7 is installed at the middle position of the scraper blade 4, a hydraulic electric control distributor 2 is installed at the upper end of the leveling steel frame 7, a high-pressure filter 3 is installed at the upper right end of the leveling steel frame 7, a satellite hydraulic oil cylinder 5 is installed at the middle position of the leveling steel frame 7, the travel device 1 is threadedly connected to the right side surface of the scraper blade 4, the high-pressure filter 3 filters impurities in the hydraulic oil, reduces the failure rate of the hydraulic components, and improves the performance of the hydraulic components. The service life of the machine is longer. The hydraulic electronically controlled distributor 2 can transmit a signal to the controller through a satellite or sensor to open or close the hydraulic electronically controlled distributor to control the extension and retraction of the cylinder to adjust the height or angle of the machine. The scraper blade 4 can achieve the functions of scraping and releasing soil by adjusting the height of the cylinder to achieve the effect of land leveling. The satellite hydraulic cylinder 5 can be controlled by a satellite signal. The folding hydraulic cylinder 6 can adjust the scraper blade to fold or unfold through the extension and retraction of this cylinder, thereby achieving the adjustment of the working width and smooth passage through the width of the road during transportation.

[0025] The walking device 1 includes a connecting disk 11, a moving roller 12, a coil spring 13, a sliding frame 14 and a connecting device 15. The moving roller 12 is located at the lower end of the walking device 1, the moving roller 12 is installed at the lower end of the sliding frame 14, the coil spring 13 is installed at the lower end of the sliding frame 14, the connecting device 15 is movably connected to the top surface of the coil spring 13, the connecting device 15 is threadedly connected to the center position of the connecting disk 11, the connecting disk 11 is threadedly connected to the right side surface of the scraper plate 4, there are two connecting disks 11, the two connecting disks 11 are distributed on the left and right, and the connecting disk 11 is composed of a metal ring, a metal disk and a metal column, and the diameter of the hole opened in the center of the metal ring is larger than the diameter of the hole opened in the center of the metal disk.

[0026] The connecting device 15 includes a connecting piece 151, a limiting metal plate 152, a limiting threaded rod 153 and a rotating disk 154. The rotating disk 154 is located at the left end of the connecting device 15. The rotating disk 154 is threadedly connected to the left end of the connecting piece 151. There are four limiting threaded rods 153, two limiting threaded rods 153 form a group, and the two groups of limiting threaded rods 153 are distributed front and back. The connecting piece 151 is fixedly connected to the right side surface of the limiting threaded rod 153, the limiting threaded rod 153 is movably connected to the inner wall surface of the limiting metal plate 152, and the rotating disk 154 is movably connected to the inner wall surface of the right end of the connecting disk 11. The right end of the limiting threaded rod 153 is threadedly connected with a nut, and the nut is connected to the right side surface of the limiting metal plate 152, so that the position of the limiting metal plate 152 can be determined, the connecting piece 151 is movably connected to the left side surface of the limiting metal plate 152, the limiting metal plate 152 is movably connected to the middle position of the sliding frame 14, the limiting metal plate 152 is fixedly connected to the top surface of the coil spring 13, the sliding frame 14 is composed of a vertical threaded rod and an inverted U-shaped metal plate, the inside of the inverted U-shaped metal plate is installed with a moving roller 12, and the inverted U-shaped metal plate is connected to the bottom end surface of the coil spring 13.

[0027] When in use, the coil spring 13 is pushed downward to connect the bottom surface of the coil spring 13 with the top surface of the inverted U-shaped metal plate, so that the position of the coil spring 13 can be initially determined, and the vertical threaded rod in the sliding frame 14 is located in the middle of the coil spring 13.

[0028] The inverted U-shaped metal plate is pushed upward, and the inverted U-shaped metal plate pushes the vertical threaded rod upward, allowing the vertical threaded rod to slide at the center position of the limiting metal plate 152, so that the bottom end surface of the limiting metal plate 152 is connected to the top end surface of the coil spring 13.

[0029] By turning the threaded nut, the threaded nut rotates on the threaded end surface of the vertical threaded rod, so that the position of the moving roller 12 can be determined.

[0030] Push the limiting metal plate 152 to move leftward and let it slide on the threaded end surface of the limiting threaded rod 153, so that the left side surface of the limiting metal plate 152 is connected to the right side surface of the connecting member 151, so that the position of the connecting member 151 can be determined.

[0031] The nut is rotated on the threaded end surface of the limiting threaded rod 153 , so that the connecting member 151 and the limiting metal plate 152 can be threadedly fixed.

[0032] When the motor grader moves, the moving roller 12 and the ground move. When the motor grader encounters uneven ground, the entire device vibrates, causing the scraper blade 4 to drive the sliding frame 14 to move up and down, thereby protecting the safety of the scraper blade 4.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An agricultural grader for dry land, comprising a walking device (1) and a scraper blade (4), characterized in that: A folding hydraulic cylinder (6) is installed at the front end of the scraper blade (4), a leveling steel frame (7) is installed in the middle of the scraper blade (4), a hydraulic electric control distributor (2) is installed at the upper end of the leveling steel frame (7), a high-pressure filter (3) is installed at the upper right end of the leveling steel frame (7), a satellite hydraulic cylinder (5) is installed in the middle of the leveling steel frame (7), and the walking device (1) is threadedly connected to the right surface of the scraper blade (4); The walking device (1) comprises a connecting plate (11), a movable roller (12), a coil spring (13), a sliding frame (14) and a connecting device (15); the movable roller (12) is located at the lower end of the walking device (1); the movable roller (12) is mounted on the lower end of the sliding frame (14); the coil spring (13) is mounted on the lower end of the sliding frame (14); the connecting device (15) is movably connected to the top end surface of the coil spring (13); and the connecting device (15) is threadedly connected to the center position of the connecting plate (11).

2. The dryland agricultural grader according to claim 1, characterized in that: The connecting device (15) comprises a connecting piece (151), a limiting metal plate (152), a limiting threaded rod (153) and a rotating disk (154); the rotating disk (154) is located at the left end of the connecting device (15); the rotating disk (154) is threadedly connected to the left end of the connecting piece (151); the connecting piece (151) is fixedly connected to the right side surface of the limiting threaded rod (153); and the connecting piece (151) is movably connected to the left side surface of the limiting metal plate (152).

3. The dryland agricultural grader according to claim 2, characterized in that: The limiting threaded rod (153) is movably connected to the inner wall surface of the limiting metal plate (152), and the rotating disk (154) is movably connected to the inner wall surface of the right end of the connecting disk (11).

4. The dryland agricultural grader according to claim 3, characterized in that: The limiting metal plate (152) is movably connected to the middle position of the sliding frame (14), and the limiting metal plate (152) is fixedly connected to the top surface of the coil spring (13).

5. The dryland agricultural grader according to claim 4, characterized in that: The connecting plate (11) is threadedly connected to the right side surface of the scraper plate (4).

6. The dryland agricultural grader according to claim 5, characterized in that: The number of the limiting threaded rods (153) is four, two of the limiting threaded rods (153) form a group, and the two groups of limiting threaded rods (153) are distributed front and back.

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