Simple and convenient double-row pit digging machine

Abstract

A simple and convenient double-row pit digging machine comprises a pit digging machine supporting column, connecting frames and a middle shaft, a double-row pit digging machine supporting and connecting structure is arranged above the pit digging machine supporting column, a coulter reinforcing double-row pit digging structure is arranged below the pit digging machine supporting column, and pit digging machine driving and lifting structures are arranged on the outer sides of the two connecting frames. According to the simple and convenient double-row pit digging machine, after a second hydraulic cylinder is connected with a power supply to input hydraulic pressure, a lower U-shaped frame can be driven to ascend or descend, so that the two U-shaped frames can pull two lower connecting frames to ascend or descend at the front ends under the limitation of a rear rotating groove, and coulter plates on the two sides of the lower end of a pit digging machine supporting column can be driven to prick into soil; the coulter plate in soil can be pulled to perform double-row pit digging operation on the soil along with the driving movement of mechanical equipment, then the pit digging operation can be realized in the moving process, the flow is simple, more manpower and material resources are saved, and the working efficiency of the simple and convenient double-row pit digging machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pit digger technical field especially, it relates to a simple double row pit digger. BACKGROUND

[0002] The double row pit digger is mainly used for afforestation, fruit forest planting, fence, fertilization and other agricultural activities. It can quickly dig holes, reduce labor intensity, is suitable for various terrains, is convenient for carrying and field operation. The double row pit digger can quickly dig holes, is convenient for afforestation, is suitable for fruit tree planting and improves planting efficiency.

[0003] For example, a pit digger with the authorization announcement number CN211931268U, by when the first plug-in column is inserted in the second connecting hole, the upper transmission rod end and the lower transmission rod end abut, the position limitation between the upper transmission rod and the lower transmission rod is realized through the limiting piece, so that the replacement of the drill bit is realized.

[0004] However, the pit digger in the above still has some problems when using, for example, the pit digger in the above, because the drill bit is manually pushed into the land to realize the operation of drilling and digging, such a way can only dig one single hole at a time, the single digging time is too long, it is not suitable for large-scale garden tree planting, and the work time and work energy consumed by manual driving will also increase, which greatly affects the low work efficiency of the pit digger.

[0005] At the same time, the common pit digger on the market can realize the purpose of digging by inserting the plow blade into the soil and moving, but there are not only sandy soil in the soil, but also some invisible large hard stones or hard debris. The plow blade in contact with the hard stone will be seriously bumped, so the plow blade is easy to bend or break off, which affects the service life of the pit digger. SUMMARY

[0006] The utility model solves the above-mentioned problems existing in prior art, provides a simple double row pit digger, achieves the role and effect of high work efficiency and longer service life.

[0007] The utility model solves the technical scheme adopted by the technical problem thereof:

[0008] A simple double row pit digger is designed, which comprises a pit digger support column, a connecting frame and an intermediate shaft, two connecting frames are fixedly installed on the rear side of the outer wall of the intermediate shaft, a double row pit digger support connecting structure is arranged above the pit digger support column, a plow blade reinforced double row pit digging structure is arranged below the pit digger support column, and pit digger driving lifting structures are arranged on the outer sides of the two connecting frames.

[0009] Further improvement, the double-row trencher support connecting structure includes a vertical rod and a cross beam, two cross beams are fixedly connected to the rear outer wall of the trencher support column, the other end of the two cross beams is fixedly connected to the front end of the outer wall of the intermediate shaft, the vertical rod is fixedly installed in the middle of the top end of the trencher support column, the rear outer wall of the vertical rod is fixedly connected with an inclined rod, and the other end of the inclined rod is fixedly connected to the top end of the outer wall of the intermediate shaft.

[0010] Further improvement, the trencher driving lifting structure includes a universal shaft and a connecting pin, two universal shafts are movably connected to the outer wall of the connecting frame on both sides, the other side of the two universal shafts is rotatably connected with a first hydraulic cylinder, the other end of the two first hydraulic cylinders is rotatably installed with a movable seat, two connecting pins are rotatably installed on the rear outer wall of the connecting frame, the outer side of the two connecting pins is rotatably sleeved with a U-shaped frame, and the other side of the two U-shaped frames is fixedly connected with a second hydraulic cylinder.

[0011] Further improvement, the two first hydraulic cylinders are symmetrically arranged along the connecting frame, and the inner side of the two U-shaped frames is movably connected to the top end of the outer wall of the connecting frame.

[0012] Further improvement, the double-row trenching structure of the plow blade includes a horizontal plate and a plow plate, two horizontal plates are fixedly installed on both sides of the lower end of the trencher support column, and a plow plate is fixedly installed below one end of each horizontal plate, a reinforcing rod is fixedly installed between the outer wall of each plow plate and the lower side of the horizontal plate, a reinforcing welded plate is fixedly installed above each horizontal plate, and the inner side of the reinforcing welded plate is fixedly connected to the front end of the trencher support column.

[0013] Further improvement, a rotating groove is fixedly formed in the inner side of the other end of the two connecting frames.

[0014] The utility model has the advantages that after the second hydraulic cylinder is connected to the power input hydraulic pressure, the lower U-shaped frame can be lifted or lowered, the two U-shaped frames can pull the two connecting frames on the lower side to lift or lower the front end under the limitation of the rear rotating groove, when the front end of the connecting frame falls, the plow plates on both sides of the lower end of the trencher support column can be driven to penetrate into the soil, the plow plates in the soil can be pulled to perform double-row trenching operation when the mechanical equipment moves, the trencher can be quickly and simply driven to penetrate into the soil by the mechanical equipment, the trenching operation can be realized during movement, the process is simple, more manpower and material resources are saved, and the working efficiency of the simple double-row trencher is improved.

[0015] The two horizontal plates are welded on the left and right sides of the lower end of the pit digger support column, the welding is a relatively firm and solid installation mode, the plow blade plate is vertically arranged and is installed below the horizontal plate by using the welding fixing mode, the reinforcing rod is made of high-strength carbon steel alloy, the reinforcing rod is connected between the horizontal plate and the plow blade plate at an angle, the reinforcing rod can reinforce and support the plow blade plate which is vertically inserted into the soil, the reinforcing welding plate is also made of metal iron material, the reinforcing welding plate is vertically welded between the upper side of the horizontal plate and the front end of the outer wall of the pit digger support column, the reinforcing welding plate increases the welding area and the connection strength between the horizontal plate and the pit digger support column, so that when the plow blade plate is double-rowed and dug in the soil, the bending damage caused by contacting hard rocks and sundries can be reduced, and the service life of the simple double-row pit digger is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model;

[0017] Figure 2 It is Figure 1 a top view schematic view;

[0018] Figure 3 It is Figure 2 a side view schematic view;

[0019] Figure 4 It is Figure 2 an enlarged sectional view of position A in FIG. 4;

[0020] Figure 5 It is Figure 3 an enlarged sectional view of position B in FIG. 4;

[0021] Figure 6 It is Figure 3 an enlarged sectional view of position C in FIG. 4.

[0022] BRIEF DESCRIPTION OF DRAWINGS: In the drawings: 1, pit digger support column, 2, connecting frame, 3, intermediate shaft, 4, rotating groove, 5, double-row pit digger support connection structure, 51, vertical rod, 52, inclined rod, 53, horizontal beam, 6, plow blade reinforcing double-row pit digging structure, 61, horizontal plate, 62, reinforcing rod, 63, plow blade plate, 64, reinforcing welding plate, 7, pit digger driving lifting structure, 71, universal shaft, 72, first hydraulic cylinder, 73, movable seat, 74, connecting pin, 75, U-shaped frame, 76, second hydraulic cylinder. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings:

[0024] Example 1:

[0025] Referring to the drawings Figures 1-6The simple double-row hole puncher of the embodiment comprises a hole puncher support column 1, a connecting frame 2 and an intermediate shaft 3, two connecting frames 2 are fixedly installed on the rear side of the outer wall of the intermediate shaft 3, the connecting frame 2 is used for being connected with a large-scale driving device for double-row hole puncher, the upper side of the hole puncher support column 1 is provided with a double-row hole puncher support connecting structure 5, the lower side of the hole puncher support column 1 is provided with a plough knife reinforced double-row hole punching structure 6, and the outer side of the two connecting frames 2 is provided with a hole puncher driving lifting structure 7.

[0026] The double-row hole puncher support connecting structure 5 comprises a vertical rod 51 and a cross beam 53, two cross beams 53 are fixedly connected on the rear side of the outer wall of the hole puncher support column 1, the two cross beams 53 are welded on the rear side of the hole puncher support column 1, and the inside of the two cross beams 53 is fixed through welding with the intermediate shaft 3, so that the hole puncher support column 1 forms a stable parallel support structure with the intermediate shaft 3, the other end of the two cross beams 53 is fixedly connected with the front end of the outer wall of the intermediate shaft 3, the vertical rod 51 is fixedly installed on the top middle part of the hole puncher support column 1, the vertical rod 51 is vertically welded on the upper side of the hole puncher support column 1, and the rear side of the vertical rod 51 is welded with an inclined rod 52 which connects the vertical rod 51 and the intermediate shaft 3, the inclined rod 52 can help the intermediate shaft 3 to improve the connection firmness with the hole puncher support column 1, the rear side of the outer wall of the vertical rod 51 is fixedly connected with the inclined rod 52, and the other end of the inclined rod 52 is fixedly connected with the top end of the outer wall of the intermediate shaft 3.

[0027] The hole puncher driving lifting structure 7 comprises a universal shaft 71 and a connecting pin 74, two universal shafts 71 are movably connected on the outer wall of the connecting frame 2, the universal shaft 71 belongs to a relatively mature prior art, the universal shaft 71 is rotatably installed on the outer wall of the connecting frame 2, the other end of the universal shaft 71 is obliquely provided with two first hydraulic cylinders 72 which can position the front double-row hole puncher and move up and down on the hole puncher support column 1, the other side of the two universal shafts 71 is rotatably connected with the first hydraulic cylinder 72, the other end of the two first hydraulic cylinders 72 is rotatably installed with a movable seat 73, the inner side of the movable seat 73 is connected with the bottom end of the first hydraulic cylinder 72 through a pin shaft, and the other side of the movable seat 73 is bolted on a large-scale equipment which drives the hole puncher to operate.

[0028] Two connecting pins 74 are rotatably installed on the rear side of the outer wall of the connecting frame 2, the outer side of the two connecting pins 74 is rotatably sleeved with a U-shaped frame 75, the inner cavity of the two U-shaped frames 75 is buckled on the outer wall of the connecting frame 2, the inside of the U-shaped frame 75 can rotate a certain amplitude on the outer side of the connecting frame 2 through the connecting pin 74, the other side of the two U-shaped frames 75 is fixedly connected with a second hydraulic cylinder 76, the other end of the two second hydraulic cylinders 76 is installed on a large-scale mechanical equipment which drives the double-row hole puncher to work, after the two second hydraulic cylinders 76 are connected with the power input hydraulic pressure, the lower U-shaped frame 75 can be driven to rise or fall, so that the two U-shaped frames 75 will pull the two connecting frames 2 below to lift or fall at the front end under the limitation of the rear side rotating groove 4.

[0029] When the front end of the connecting frame 2 falls, the plow blade 63 on both sides of the pit machine support column 1 at the lower end will be driven into the soil, and the plow blade 63 in the soil can be pulled to perform double-row pit digging operation on the soil. The two first hydraulic cylinders 72 are symmetrically arranged between the two connecting frames 2. The inner sides of the two U-shaped frames 75 are movably connected to the top end of the outer wall of the connecting frame 2. The other end of the two connecting frames 2 is fixedly provided with a rotating groove 4. The rotating groove 4 is rotatably connected to the external mechanical device that drives the double-row pit digging machine to rotate through a rotating shaft.

[0030] The other end of the universal shaft 71 is obliquely provided with two first hydraulic cylinders 72 that can position the front end of the double-row pit digging machine and move up and down. The other side of the movable seat 73 is bolted to the large equipment that drives the pit digging machine to rotate. The two connecting pins 74 are rotatably installed on the rear side of the outer wall of the connecting frame 2. The cavities in the inner sides of the two U-shaped frames 75 are buckled on the outer wall of the connecting frame 2. The U-shaped frames 75 can rotate a certain amplitude on the outer side of the connecting frame 2 through the connecting pins 74. The other end of the two second hydraulic cylinders 76 is installed on the large mechanical equipment that drives the double-row pit digging machine to work. After the two second hydraulic cylinders 76 are connected to the power input hydraulic pressure, they can drive the U-shaped frames 75 below to rise or fall.

[0031] The two U-shaped frames 75 will pull the two connecting frames 2 below to lift or fall at the rear rotating groove 4. When the front end of the connecting frame 2 falls, the plow blade 63 on both sides of the pit machine support column 1 at the lower end will be driven into the soil, and the plow blade 63 in the soil can be pulled to perform double-row pit digging operation on the soil. Through the mechanical equipment, the pit digging machine is quickly and simply driven into the soil, and then the pit digging operation can be realized during the movement process. The process is simple, saves more manpower and resources, and improves the working efficiency of the simple double-row pit digging machine.

[0032] Working principle:

[0033] When using the simple double-row pit digging machine, the connecting frame 2 is rotatably installed on the external large mechanical device through the two rotating grooves 4 at the rear side of the connecting frame 2. The double-row pit digging machine can be driven by a conventional excavator, tractor or large agricultural machinery on the market. The large equipment will drive the double-row pit digging machine to move on the garden land, and the plow blade inserted into the soil will realize double-row pit digging operation, which is convenient for planting trees or other plants on the soil after pit digging.

[0034] Supporting and fixing structure of the simple double-row pit digging machine:

[0035] Two beams 53 are welded on the rear side of the pit machine support column 1, and the inside of the two beams 53 is fixed with the middle shaft 3 by welding, so that the pit machine support column 1 forms a stable parallel support structure with the middle shaft 3, and the vertical rod 51 is vertically welded above the pit machine support column 1, and the rear side of the vertical rod 51 is welded with the inclined rod 52 connecting the vertical rod 51 and the middle shaft 3, which can help the middle shaft 3 improve the connection firmness with the pit machine support column 1;

[0036] The high-efficiency double-row pit machine structure of the simple double-row pit machine:

[0037] Two first hydraulic cylinders 72 capable of positioning the front double-row pit are obliquely arranged on the pit machine support column 1 through the other end of the universal shaft 71, the other side of the movable seat 73 is bolted on a large equipment driving the pit machine to operate, two connecting pins 74 are rotatably installed on the rear side of the outer wall of the connecting frame 2, the cavities in the inner sides of the two U-shaped frames 75 are buckled on the outer wall of the connecting frame 2, the U-shaped frames 75 can rotate a certain amplitude outside the connecting frame 2 through the connecting pins 74, two second hydraulic cylinders 76 are installed on a large mechanical equipment driving the double-row pit machine to work, after the two second hydraulic cylinders 76 are connected to the power input hydraulic, they can drive the lower U-shaped frames 75 to rise or fall, so that the two U-shaped frames 75 will pull the front two connecting frames 2 to rise or fall under the limitation of the rear rotating groove 4, when the front end of the connecting frame 2 falls, it will drive the plow blade 63 on both sides of the lower end of the pit machine support column 1 to penetrate into the soil, and the plow blade 63 in the soil can be pulled to perform double-row pit operation on the soil as the mechanical equipment moves.

[0038] Embodiment 2:

[0039] Referring to the drawings Figures 1-6 In this embodiment, a simple double-row pit machine further includes a plow blade reinforced double-row pit structure 6 including a horizontal plate 61 and a plow blade 63, two horizontal plates 61 are fixedly installed on both sides of the lower end of the pit machine support column 1, and the two horizontal plates 61 are welded on the lower end of the pit machine support column 1 on both sides, which is a relatively firm and solid installation method, one end of each of the two horizontal plates 61 is fixedly installed with a plow blade 63 below, the plow blade 63 is vertically arranged and installed below the horizontal plate 61 by welding, a reinforcing rod 62 is fixedly installed between the outer wall of each of the two plow blades 63 and the lower side of the horizontal plate 61, and the reinforcing rod 62 is made of high-strength carbon steel alloy.

[0040] The reinforcing rods 62 are connected between the horizontal plates 61 and the plow plates 63 at an angle of 45 degrees, which can improve the reinforcement and support of the plow plates 63 inserted vertically into the soil, the upper portions of the two horizontal plates 61 are fixedly provided with reinforcing welding plates 64, the reinforcing welding plates 64 are also made of metal iron material, the reinforcing welding plates 64 are welded between the upper portions of the horizontal plates 61 and the front ends of the outer walls of the pit digging machine support columns 1, the reinforcing welding plates 64 improve the welding area and the strength of the connecting portions between the horizontal plates 61 and the pit digging machine support columns 1, so that when the plow plates 63 dig pits in the soil in the double-row mode, the bending damage caused by contacting hard rocks and sundries can be reduced, and the service life of the double-row pit digging machine is improved.

[0041] The two horizontal plates 61 are welded on the lower ends of the pit digging machine support columns 1, the welding is a firm and solid mounting mode, the plow plates 63 are vertically arranged and mounted below the horizontal plates 61 by the welding fixing mode, the reinforcing rods 62 are made of high-strength carbon steel alloy, the reinforcing rods 62 are connected between the horizontal plates 61 and the plow plates 63 at an angle of 45 degrees, which can improve the reinforcement and support of the plow plates 63 inserted vertically into the soil, the reinforcing welding plates 64 are also made of metal iron material, the reinforcing welding plates 64 are welded between the upper portions of the horizontal plates 61 and the front ends of the outer walls of the pit digging machine support columns 1, the reinforcing welding plates 64 improve the welding area and the strength of the connecting portions between the horizontal plates 61 and the pit digging machine support columns 1, so that when the plow plates 63 dig pits in the soil in the double-row mode, the bending damage caused by contacting hard rocks and sundries can be reduced.

[0042] Working principle:

[0043] The two horizontal plates 61 are welded on the lower ends of the pit digging machine support columns 1, the welding is a firm and solid mounting mode, the plow plates 63 are vertically arranged and mounted below the horizontal plates 61 by the welding fixing mode, the reinforcing rods 62 are made of high-strength carbon steel alloy, the reinforcing rods 62 are connected between the horizontal plates 61 and the plow plates 63 at an angle of 45 degrees, which can improve the reinforcement and support of the plow plates 63 inserted vertically into the soil, the reinforcing welding plates 64 are also made of metal iron material, the reinforcing welding plates 64 are welded between the upper portions of the horizontal plates 61 and the front ends of the outer walls of the pit digging machine support columns 1, the reinforcing welding plates 64 improve the welding area and the strength of the connecting portions between the horizontal plates 61 and the pit digging machine support columns 1, so that when the plow plates 63 dig pits in the soil in the double-row mode, the bending damage caused by contacting hard rocks and sundries can be reduced.

[0044] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A simple double-row ditcher, comprising a ditcher support column (1), connecting frames (2) and a middle shaft (3), two of said connecting frames (2) being fixedly installed on the rear side of the outer wall of the middle shaft (3), characterized in that: The upper part of the pit making machine support column (1) is provided with double-row pit making machine support connecting structure (5), the lower part of the pit making machine support column (1) is provided with plough knife reinforced double-row pit making structure (6), the outer side of two connecting frames (2) is provided with pit making machine driving lifting structure (7).

2. The simple double-row ditcher according to claim 1, characterized in that: The double-row pit making machine support connecting structure (5) comprises a vertical rod (51) and a cross beam (53), two cross beams (53) are fixedly connected to the rear outer wall of the pit making machine support column (1), the other end of the two cross beams (53) is fixedly connected to the front outer wall of the intermediate shaft (3), the vertical rod (51) is fixedly installed at the top middle part of the pit making machine support column (1), the rear outer wall of the vertical rod (51) is fixedly connected with an inclined rod (52), and the other end of the inclined rod (52) is fixedly connected to the top end of the outer wall of the intermediate shaft (3).

3. The simple double-row ditcher according to claim 1, characterized in that: The pit making machine driving lifting structure (7) comprises a universal shaft (71) and a connecting pin (74), two universal shafts (71) are movably connected to the outer walls of the connecting frames (2) on both sides, the other sides of the two universal shafts (71) are rotatably connected with first hydraulic cylinders (72), the other ends of the two first hydraulic cylinders (72) are rotatably installed with movable seats (73), two connecting pins (74) are rotatably installed on the rear outer walls of the connecting frames (2), the outer sides of the two connecting pins (74) are rotatably sleeved with U-shaped frames (75), and the other sides of the two U-shaped frames (75) are fixedly connected with second hydraulic cylinders (76).

4. The simple double-row ditcher according to claim 3, characterized in that: The two first hydraulic cylinders (72) are symmetrically arranged along the connecting frames (2), and the inner sides of the two U-shaped frames (75) are movably connected to the top ends of the outer walls of the connecting frames (2).

5. The simple double-row ditcher according to claim 1, characterized in that: The plough knife reinforced double-row pit making structure (6) comprises a horizontal plate (61) and a plough knife plate (63), two horizontal plates (61) are fixedly installed on both sides of the lower end of the pit making machine support column (1), one end of each horizontal plate (61) is fixedly installed with a plough knife plate (63) below, a reinforcing rod (62) is fixedly installed between the outer wall of each plough knife plate (63) and the lower part of the horizontal plate (61), and a reinforcing welded plate (64) is fixedly installed above each horizontal plate (61).

6. The simple double-row ditcher according to claim 1, characterized in that: The other end of each connecting frame (2) is fixedly provided with a rotating groove (4) on the inner side.

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