Rubbing machine adaptive to small excavator

Abstract

The rubbing machine comprises a shell and a support connected to the shell, a rolling shaft is rotationally arranged on the support, a plurality of fixing pieces are coaxially arranged on the rolling shaft, tool bit structures are fixed to the fixing pieces, the rolling shaft is connected with a plunger motor, a suspension frame is fixed to the top end of the shell, and the suspension frame is fixedly connected with the small excavator. The fixing piece is in an arc shape, and a tool bit structure is fixed to the end of the fixing piece. According to the rubbing machine matched with the small excavator, the rubbing machine can be matched with the small excavator, one person can complete a series of work such as farm cleaning, orchard arrangement, efficient forestry coverage and environment protection, the use scene of the small excavator is greatly improved, the efficiency is improved, and the environment is protected; and more use possibilities are created for customers, and spreading of a fire source and a living quarter can be blocked more quickly when a fire disaster occurs, so that an isolation belt is created.

Description

Technical Field

[0001] The invention belongs to the technical field of land reclamation machines, and in particular relates to a land reclamation machine adapted to a small excavator. Background Art

[0002] Under the current international environment, land reclamation machines are mainly adapted to large and medium-sized excavators and skid loaders. With the continuous increase in global demand, more and more foreign families have equipped themselves with small excavators, and many families have their own farms, orchards, gardens, etc. In order to take care of their own farms and orchards, people often use their own excavators, lawn mowers or land reclamation machines. However, the cost of excavators is high, and the efficiency of lawn mowers is low. Land reclamation machines are generally adapted to medium and large excavators. They are heavy and large in weight, and have a small swing diameter. They are not suitable for agricultural land reclamation operations within the family.

[0003] At present, small excavators of 2-5 tons have entered thousands of households abroad and have become a customer group that cannot be ignored. Therefore, how to adapt the pioneer machine to the small excavator has become the key technical problem to be solved in this solution; in addition, there are the following technical problems when the pioneer machine is used: (1) Large pieces of plants are not easy to be broken, which makes it difficult for the cutter disc to rotate and easily causes jamming, thus causing damage to the land reclamation machine, affecting land reclamation and thus affecting the environment; (2) In the process of breaking plants, the land cannot be plowed at the same time, and the vegetation lower on the ground is difficult to clear, and even other equipment is needed for secondary plowing. In addition, the device will encounter various stones or other objects that cannot be broken during the process of land reclamation.

[0004] Therefore, this solution proposes a land reclamation machine adapted for a small excavator to solve the above-mentioned technical problems at the same time. Summary of the invention

[0005] The purpose of the present invention is to provide a pioneer machine adapted to a small excavator, which solves the technical problem of how to adapt the pioneer machine to the small excavator. It can satisfy a series of tasks such as cleaning farms, tidying up orchards, achieving efficient forestry coverage, and protecting the environment by one person, greatly improving the use scenarios of small excavators, improving efficiency, protecting the environment, creating more usage possibilities for customers, and when a fire occurs, it can also block the spread of the fire source and living areas more quickly and create an isolation zone.

[0006] A land reclamation machine adapted for a small excavator comprises a shell, a bracket connected to the shell, a roller rotatably arranged on the bracket, a plurality of fixing plates coaxially arranged on the roller, a cutter head structure fixed on the fixing plate, the roller is connected to a plunger motor, a suspension frame is fixed to the top end of the shell, and the suspension frame is fixedly connected to the small excavator.

[0007] The fixing plate is in an arc shape, and the cutter head structure is fixed to the end of the fixing plate.

[0008] The cutter head structure comprises a positioning portion clamped on the fixing plate, and a cutter head body fixedly connected to the positioning portion via tension bolts, wherein the cutter head body is provided with an outwardly protruding blade-shaped cutting edge.

[0009] The plurality of cutter head structures are arranged around the center of the roller in a circular array outside the roller, and a spacing is provided between two adjacent cutter head structures along the length direction of the roller, so that the plurality of cutter head structures are arranged in a spiral shape along the length direction of the roller.

[0010] A motor protection cover is arranged on the outer side of the plunger motor.

[0011] The shell includes a shell body, a left slide and a right slide fixed to the two ends of the shell body by bolt 1 respectively, and a back plate connected to the shell body by bolt 2, the left slide and the right slide rest on the ground, the back plate is rotatably connected to the shell body by a hinge structure, and the bolt 2 passes through a limit strip hole set on the shell body.

[0012] One end of the roller is connected to the bracket through a roller transmission assembly, and a pressure injection oil cup is arranged on the roller transmission assembly.

[0013] The plunger motor is connected to a hydraulic valve group, and the hydraulic valve group is connected to a small excavator through a plurality of oil inlet pipes.

[0014] The hydraulic valve group includes a one-way valve, an excavator oil inlet and a motor oil inlet connected to both sides of the one-way valve, a relief valve, a motor oil outlet and an excavator oil outlet connected to both sides of the relief valve; The oil inlet of the excavator is connected to the oil inlet of the motor, the oil outlet of the excavator is connected to the oil outlet of the motor, and the oil outlet of the motor is connected to the overflow valve.

[0015] The cutter head structure comprises a positioning portion clamped on the fixing plate, and a cutter head body fixedly connected to the positioning portion via tension bolts, wherein the cutter head body is provided with an outwardly protruding square cutting edge.

[0016] The pre-crushing mechanism comprises a positioning plate, a vertical shaft with one end vertically fixedly connected to the positioning plate, a rotating plate movably connected to the other end of the vertical shaft, and a driving shaft passing through the outer end of the rotating plate, the other end of the vertical shaft is connected to a rotating disk, the rotating disk is connected to a driving motor through a transmission belt, and the driving motor is fixed to the positioning plate; The positioning plate is connected with the crushing structure.

[0017] The crushing structure includes a positioning rod fixedly connected to the positioning plate at the side, a rotating rod with one end rotatably connected to the two ends of the positioning rod, a limiting column vertically passing through the rotating rod, a drill shaft rotatably connected to the limiting column, and a power motor connected to the drill shaft. One end of the rotating rod is connected to a rotating cylinder; there are multiple limiting columns.

[0018] The beneficial effects of the present invention are as follows: (1) The present invention solves the technical problem that foreign farmers, orchard owners and those who have their own gardens have small excavators but cannot use them to manage their own farms and orchards. The present invention makes full use of the role of small excavators, has high efficiency and low cost; (2) The roller in this solution rotates at a high speed of about 2,500 revolutions per minute, and uses the high rotation and sharpness of the blade structure to cut and break shrubs and trees below 11 cm; By lifting the excavator arm, the tree can be cut in half, and the remaining tree can be completely crushed from top to bottom. The cut tree can be crushed on the ground and the wood chips can be covered on the land, which fundamentally solves a series of complex and time-consuming tasks such as felling, cutting, transportation, and crushing. (3) The total weight of the auxiliary device does not exceed 220KG, which perfectly matches the small excavator, and can not only complete the work well but also ensure the stability of the small excavator during work; (4) The arrangement of the blade structure adopts an asymmetrical design, which is convenient for users to maximize the contact between the teeth and the tree during use, thereby maximizing the performance of the product; (5) This solution combines the cooperation between the motor direct drive and the hydraulic valve group. Since the motor direct drive must ensure the concentricity of the roller and the safety of the motor, the hydraulic valve group plays a role in protecting the motor and ensuring that the connection spline will not be damaged under the premise of strong force when the machine is shut down; (6) The hydraulic valve group in this scheme includes a combination of safety valves such as a check valve and a relief valve, which can relieve pressure when the equipment encounters instantaneous high pressure during operation. It can also prevent the equipment from stopping suddenly, damaging the motor or reducing the service life of the motor. When the equipment stops, the oil stored in the motor will be circulated internally through the hydraulic valve group until the motor stops smoothly.

[0019] (7) The pre-crushing mechanism designed in this scheme has the following technical effects: First, under the action of the driving shaft, the rotating plate is rotated and adjusted to a certain angle, so that the drill shaft faces the large piece of plant, and the large piece of plant is crushed under the simultaneous rotation of the vertical shaft and the drill shaft. In this way, the large piece of plant is crushed in advance before the cutter head structure works, which is convenient for the subsequent work of the cutter head structure; Second, multiple limit columns are provided. After the pre-crushing is completed, the rotating plate rotates to a certain angle so that the limit columns and the drill shaft are vertically downward. At this time, the bottom end of the drill shaft is close to the ground, and there are gaps between the multiple limit columns, which act as rakes to move and remove the broken vegetation and even stones on the ground. Third, in addition to the function of gathering or scattering weeds, multiple limit columns and multiple drill shafts also have the function of leveling and plowing the land, breaking up and flattening the soil on the surface of the land, thereby creating favorable conditions for sowing or other agricultural activities. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the overall structure of the land reclamation machine in Example 1 of the present invention.

[0021] Figure 2 It is a front view of the land reclamation machine in Example 1 of the present invention.

[0022] Figure 3 It is a left view of the land reclamation machine in embodiment 1 of the present invention.

[0023] Figure 4 It is a rear view of the land reclamation machine in embodiment 1 of the present invention.

[0024] Figure 5 Schematic diagram of the internal structure of the land reclamation machine in Example 1 of the present invention.

[0025] Figure 6 Schematic diagram of the connection structure between the roller and the cutter head structure in Example 1 of the present invention Figure 1 .

[0026] Figure 7 Schematic diagram of the connection structure between the roller and the cutter head structure in Example 1 of the present invention Figure 2 .

[0027] Figure 8 Schematic diagram of the connection structure between the fixing plate and the cutter head structure in Example 1 of the present invention.

[0028] Fig. 9 Schematic diagram of the connection structure between the fixing plate and the cutter head structure in Example 2 of the present invention.

[0029] Figure 9-1It is a schematic diagram of the structure of the hydraulic valve group in Examples 1 and 2 of the present invention.

[0030] Fig.10 This is a schematic diagram of the structure of the pre-crushing mechanism in Example 3 of the present invention.

[0031] Fig.11 Schematic diagram of the structure of the crushing structure in Example 3 of the present invention.

[0032] Fig.12 Schematic diagram of the overall structure of the land reclamation machine in Example 4 of the present invention.

[0033] Among them, in the attached drawings: 1, housing; 2, left side slide; 3, bolt 1; 4, roller; 5, fixing plate; 6, right side slide; 7, suspension frame; 71, pin; 8, bolt 2; 81, limit bar hole; 9, bolt 3; 10, cutter head structure; 101, positioning part; 102, cutter head body; 103, tension bolt; 104, blade-shaped cutting edge; 12, pressure injection oil cup; 13, roller transmission assembly; 14, back plate; 15, hinge structure; 18, hydraulic valve group; 181, excavator one-way valve; 182, excavator oil inlet; 183, excavator oil outlet; 184, motor overflow valve; 185, motor oil inlet; 186, motor oil outlet; 19, screw; 21, motor protection cover; 22, plunger motor; 23, drive shaft; 24, rotating plate; 25, drive motor; 26, transmission belt; 27, rotating rod; 28, power motor; 29, limit column; 30, drill shaft; 31, rotating cylinder; 32, positioning rod; 33, vertical shaft; 331, positioning plate; 34, turntable. DETAILED DESCRIPTION

[0034] In order to more clearly illustrate the technical features of this solution, this solution is described below through specific implementation methods.

[0035] Embodiment 1:

[0036] See also Figure 1-Figure 8 A land reclamation machine adapted for a small excavator comprises a shell 1, a bracket connected to the shell 1, a roller 4 is rotatably arranged on the bracket, a plurality of fixing plates 5 are coaxially arranged on the roller 4, a cutter head structure 10 is fixed on the fixing plate 5, the roller 4 is connected to a plunger motor 22, a suspension frame 7 is fixed to the top of the shell 1 by bolts 9, and the suspension frame 7 is fixedly connected to the small excavator.

[0037] The fixing piece 5 is in an arc shape, and a cutter head structure 10 is fixed to an end of the fixing piece 5 .

[0038] The cutter head structure 10 comprises a positioning portion 101 clamped on the fixing plate 5 , and a cutter head body 102 fixedly connected to the positioning portion 101 via tension bolts 103 . The cutter head body 102 is provided with an outwardly protruding blade-shaped cutting edge 104 .

[0039] Multiple cutter head structures 10 are arranged around the center of the roller 4 in a circular array outside the roller 4, and a spacing is set between two adjacent cutter head structures 10 along the length direction of the roller 4, so that the multiple cutter head structures 10 are arranged in a spiral shape along the length direction of the roller 4.

[0040] A motor protection cover 21 is provided outside the plunger motor 22 .

[0041] The shell 1 includes a shell body, a left slide 2 and a right slide 6 fixed to the two ends of the shell body by bolts 1 3 respectively, and a back plate 14 connected to the shell body by bolts 2 8. The left slide 2 and the right slide 6 are against the ground, and the back plate 14 is rotatably connected to the shell body by a hinge structure 15. The bolts 2 8 pass through the limit bar holes 81 set on the shell body.

[0042] One end of the roller 4 is connected to the bracket through a roller transmission assembly 13 , and a pressure injection oil cup 12 is provided on the roller transmission assembly 13 .

[0043] The plunger motor 22 is connected to the hydraulic valve group 18 , and the hydraulic valve group 18 is connected to the small excavator through a plurality of oil inlet pipes. The hydraulic valve group 18 is fixed to the housing 1 by screws 19 .

[0044] The hydraulic valve group 18 includes a one-way valve 181, an excavator oil inlet 182 and a motor oil inlet 183 connected to both sides of the one-way valve 181, a relief valve 184, a motor oil outlet 185 and an excavator oil outlet 186 connected to both sides of the relief valve 184; The excavator oil inlet 182 is connected to the motor oil inlet 183 , the excavator oil outlet 183 is connected to the motor oil outlet 185 , and the motor oil outlet 186 is connected to the overflow valve 184 .

[0045] The specific working process of the present invention is: The present invention is designed to solve the urgent problem that foreign farmers, orchard owners and those who have their own gardens have small excavators but cannot use their small excavators to manage their own farms and orchards, and can make full use of the role of small excavators.

[0046] The present invention provides hydraulic power to drive the plunger motor 22 to drive the roller 4 to rotate to complete the tree breaking and covering work; first, the suspension frame 7 is connected to the front end of the small excavator's arm through the pin shaft 71, and the three oil inlet pipes of the pioneer are connected to the small excavator. The small excavator supplies oil to the pioneer through the three oil inlet pipes, thereby realizing the oil inlet and oil outlet of the pioneer and the oil return of the plunger motor 22.

[0047] After the small excavator is started, the accelerator is added to supply oil to the oil inlet pipe of the pioneer, and the oil inlet pipe is connected with the oil inlet of the plunger motor 22 to drive the motor to rotate, and the rotation of the motor drives the roller 4 to rotate by the spline connection.

[0048] The roller 4 rotates at a high speed of about 2500 revolutions per minute, and uses the high rotation and sharp teeth to cut and break shrubs and trees below 11CM.

[0049] By lifting the small arm of a small excavator, trees can be cut in half and the remaining trees can be completely crushed from top to bottom. The cut trees can be crushed on the ground and the wood chips can be covered on the land, fundamentally solving a series of complex and time-consuming tasks such as felling, logging, transportation, and crushing.

[0050] The total weight of the auxiliary tool does not exceed 220KG, and it perfectly cooperates with the small excavator. It can not only complete the work well but also ensure the stability of the small excavator during operation; it adopts a plunger motor 22, which has the characteristics of high efficiency, high speed, and large torque; this solution adopts a motor direct drive method. Since the motor direct drive must ensure the concentricity of the roller 4 and the safety of the motor, it is combined with the hydraulic valve group 18 to protect the motor and ensure that the connecting spline will not be damaged under the premise of strong force when shutting down.

[0051] See also Figure 9-1 The hydraulic valve group 18 includes a one-way valve, a relief valve and other safety valves combined together. The valve group can relieve pressure when the equipment encounters instantaneous high pressure during operation, and can also prevent emergency stops when the equipment is shut down, thereby preventing the motor from being damaged or reducing the service life of the motor. When the equipment is shut down, the oil stored in the motor will be circulated through the hydraulic valve group 18 until the motor stops smoothly. Specifically, when the equipment is shut down, the plunger motor 22 stops working, the relief valve 184 opens, and the plunger motor The stored oil in 22 is circulated internally through the motor oil outlet 185, the relief valve 184, and the motor oil inlet 186 in turn; when the equipment is turned on, the plunger motor 22 starts to work and the relief valve 184 is closed. Only when the equipment has ultra-high pressure, the relief valve opens again to release excess pressure by diversion, and oil is injected into the excavator oil inlet 182 through the excavator multi-way valve. The oil passes through the one-way valve 181, the motor oil inlet 185, the motor oil outlet 186, and the excavator oil outlet 183 in turn to form an internal circulation.

[0052] Finally, the cutter head structure 10 adopts an asymmetric design, which is convenient for users to maximize the contact between the teeth and the tree during use, thereby maximizing the performance of the product.

[0053] Embodiment 2:

[0054] See also Fig. 9The cutter head structure 10 includes a positioning portion 101 clamped on the fixing plate 5, a cutter head body 102 fixedly connected to the positioning portion 101 by a tension bolt 103, and a square cutting edge protruding outward is provided on the cutter head body 102.

[0055] Embodiment 3:

[0056] See also Figure 10-11 The pre-crushing mechanism includes a positioning plate 331, a vertical shaft 33 with one end vertically fixedly connected to the positioning plate 331, a rotating plate 24 movably connected to the other end of the vertical shaft 33, and a driving shaft 23 passing through the outer end of the rotating plate 24. The other end of the vertical shaft 33 is connected to the rotating disk 34, and the rotating disk 34 is connected to the driving motor 25 through the transmission belt 26. The driving motor 25 is fixed to the positioning plate 331; The positioning plate 331 is connected to the crushing structure.

[0057] The crushing structure includes a positioning rod 32 fixedly connected to the positioning plate 331 at the side, a rotating rod 27 whose one end is rotatably connected to the two ends of the positioning rod 32, a limiting column 29 vertically passing through the rotating rod 27, a drill shaft 30 rotatably connected to the limiting column 29, and a power motor 28 connected to the drill shaft 30. One end of the rotating rod 27 is connected to a rotating cylinder 31; there are multiple limiting columns 29.

[0058] In this scheme, a pre-crushing mechanism is designed. Under the action of the driving shaft 23, the rotating plate 24 is rotated and adjusted to a certain angle, so that the drill shaft 30 faces the large piece of plant. When the vertical shaft 33 and the drill shaft 30 rotate simultaneously, the large piece of plant is crushed. The vertical shaft 33 is driven by the driving motor 25, and the drill shaft 30 is driven by the power motor 28. In this way, before the cutter head structure works, the large piece of plant is crushed in advance, which is convenient for the subsequent work of the cutter head structure. The driving shaft 23 is connected to the rotating power system, and the outer side of the driving shaft 23 is fixedly connected to the rotating plate 24, so that the rotating plate 24 can be driven to rotate; A plurality of limiting columns 29 are provided. When the pre-crushing is completed, the rotating plate 24 rotates to a certain angle so that the limiting columns 29 and the drill shaft 30 are vertically downward. At this time, the bottom end of the drill shaft 30 is close to the ground, and there are gaps between the plurality of limiting columns 29, which act as a rake to move and remove the crushed and fallen plants and weeds on the ground. In addition to the function of gathering or scattering weeds, the multiple limit posts 29 and the multiple drill shafts 30 also have the function of leveling the land, breaking up and flattening the soil on the surface of the land, thereby creating favorable conditions for sowing or other agricultural activities; in the attached drawings, in order to simplify the design, two adjacent limit posts are not marked, and this is hereby explained.

[0059] Embodiment 4:

[0060] See also Fig.12In this embodiment 4, the pin shaft 71 on the suspension bracket 7 is in a horizontal state.

[0061] Technical features not described in the present invention can be achieved through or by adopting existing technologies and will not be described in detail here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A land reclamation machine adapted for a small excavator, comprising a housing (1) and a bracket connected to the housing (1), characterized in that: A roller (4) is rotatably arranged on the bracket, a plurality of fixing plates (5) are coaxially arranged on the roller (4), a cutter head structure (10) is fixed on the fixing plate (5), the roller (4) is connected to a plunger motor (22), a suspension frame (7) is fixed to the top end of the housing (1), and the suspension frame (7) is fixedly connected to the small excavator; The bracket is also provided with a pre-crushing mechanism, which is movably arranged in front of or behind the cutter head structure (10).

2. A land reclamation machine adapted for a small excavator according to claim 1, characterized in that: The fixing plate (5) is in an arc shape, and the cutter head structure (10) is fixed to the end of the fixing plate (5).

3. A land reclamation machine adapted for a small excavator according to claim 2, characterized in that: The cutter head structure (10) comprises a positioning portion (101) clamped on the fixing plate (5), and a cutter head body (102) fixedly connected to the positioning portion (101) via a tension bolt (103); the cutter head body (102) is provided with an outwardly protruding blade-shaped cutting edge (104).

4. A land reclamation machine adapted for a small excavator according to claim 2, characterized in that: The plurality of cutter head structures (10) are arranged around the center of the roller (4) in a circular array outside the roller (4), and a spacing is provided between two adjacent cutter head structures (10) along the length direction of the roller (4), so that the plurality of cutter head structures (10) are arranged in a spiral shape along the length direction of the roller (4).

5. The land reclamation machine adapted for a small excavator according to claim 2, characterized in that: The shell (1) comprises a shell body, a left slide plate (2) and a right slide plate (6) respectively fixed to the two ends of the shell body by bolts (3), and a back plate (14) connected to the shell body by bolts (8), the left slide plate (2) and the right slide plate (6) being placed against the ground, the back plate (14) being rotatably connected to the shell body by a hinge structure (15), and the bolts (8) passing through limit bar holes (81) provided on the shell body.

6. The land reclamation machine adapted for a small excavator according to claim 2, characterized in that: One end of the roller (4) is connected to the bracket via a roller transmission assembly (13), and a pressure injection oil cup (12) is provided on the roller transmission assembly (13).

7. The land reclamation machine adapted for a small excavator according to claim 5, characterized in that: The plunger motor (22) is connected to a hydraulic valve group (18), and the hydraulic valve group (18) is connected to a small excavator via a plurality of oil inlet pipes; The hydraulic valve group (18) comprises a one-way valve (181), an excavator oil inlet (182) and a motor oil inlet (183) connected to both sides of the one-way valve (181), a relief valve (184), and a motor oil outlet (185) and an excavator oil outlet (186) connected to both sides of the relief valve (184); The excavator oil inlet (182) is connected to the motor oil inlet (183), the excavator oil outlet (183) is connected to the motor oil outlet (185), and the motor oil outlet (186) is connected to the overflow valve (184).

8. The land reclamation machine adapted for a small excavator according to claim 2, characterized in that: The cutter head structure (10) comprises a positioning portion (101) clamped on the fixing plate (5), and a cutter head body (102) fixedly connected to the positioning portion (101) via a tension bolt (103); the cutter head body (102) is provided with an outwardly protruding square cutting edge.

9. The land reclamation machine adapted for a small excavator according to claim 1, characterized in that: The pre-crushing mechanism comprises a positioning plate (331), a vertical shaft (33) with one end vertically fixedly connected to the positioning plate (331), a rotating plate (24) movably connected to the other end of the vertical shaft (33), and a driving shaft (23) passing through the outer end of the rotating plate (24); the other end of the vertical shaft (33) is connected to a rotating disk (34); the rotating disk (34) is connected to a driving motor (25) via a transmission belt (26); and the driving motor (25) is fixed to the positioning plate (331); The positioning plate (331) is connected to the crushing structure.

10. A land reclamation machine adapted for a small excavator according to claim 9, characterized in that: The crushing structure comprises a positioning rod (32) whose side is fixedly connected to the positioning plate (331), a rotating rod (27) whose one end is rotatably connected to the two ends of the positioning rod (32), a limiting column (29) vertically passing through the rotating rod (27), a drill shaft (30) rotatably connected to the limiting column (29), and a power motor (28) connected to the drill shaft (30); one end of the rotating rod (27) is connected to a rotating cylinder (31); and there are a plurality of limiting columns (29).

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