A folding furrowing device for rotary tiller

Abstract

The present invention relates to a folding furrowing device for a rotary tiller, wherein one end of an outer sleeve rod is located outside an inner sleeve rod, and the other end is provided with a through hole, and a clamping piece b is provided below; a clamping piece a is provided below one end of the inner sleeve rod, and the other end is located in the outer sleeve rod and is connected with a screw, and the outer end of the screw rod passes through the through hole and is threadedly connected with a nut; there are two rotating blocks, which are respectively located at the two ends of the inner sleeve rod, and a rotating rod is rotatably passed therebetween, and connecting plates are fixedly sleeved at both ends of the rotating rod, and vertical plates are provided at the outer ends of the connecting plates; a supporting rod is located below the vertical plate, and a reinforcing plate is provided at the upper end, and a square connecting sleeve is located at both ends of the supporting rod, and a furrow opener and a shaper are detachably connected to the square connecting sleeve through a fixing rod; one end of the hydraulic rod is hinged to the frame of the rotary tiller, and the other end is hinged to the upper end of a connecting guide plate, and the connecting guide plate is rotatably arranged on the side end of the connecting plate through a rotating shaft at its lower end, and a pillar is provided on the inner side of the connecting guide plate; the present invention has the advantages of reasonable structure and convenient operation and use.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a folding furrowing device for a rotary tiller. Background Art

[0002] After the crops on the land are harvested, they need to be tilled, furrowed and leveled to restore the farming standards. The existing rotary tillage operations are mostly achieved through the cooperation of a rotary tiller and a tractor. When in use, the rotating blades on the rotary tiller are used to crush and turn the soil under high-speed rotation. However, the existing rotary tillage and furrowing machines have a fixed operation mode, that is, they can only perform rotary tillage + furrowing compound operations, and their furrowing devices cannot be retracted and released, so separate rotary tillage operations cannot be performed. Therefore, in order to solve the above problems, it is necessary to develop a folding furrowing device for a rotary tiller that has a reasonable structure and is easy to operate and use. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a folding furrowing device for a rotary tiller which has a reasonable structure and is convenient to operate and use.

[0004] The object of the present invention is achieved in this way: a folding furrowing device for a rotary tiller, comprising a fixed frame, a rotating block, a flip supporting frame, a furrowing device, a shaper and a flip driving mechanism, the fixed frame is composed of two groups of square fixed sleeve rods arranged in parallel, wherein the square fixed sleeve rod comprises an outer sleeve rod and an inner sleeve rod, and the inner sleeve rods in the two groups of square fixed sleeve rods are fixedly connected by a connecting block, one end of the outer sleeve rod is sleeved on the outside of the inner sleeve rod, a through hole is provided at the center of the other end, and a clamping piece b is fixedly provided below the outer sleeve rod, a clamping piece a is fixedly provided below one end of the inner sleeve rod, and the other end is located in the outer sleeve rod and fixedly connected with a screw rod, and the outer end of the screw rod is located outside the outer sleeve rod through the through hole and is threadedly connected with a nut, the clamping piece a and the clamping piece b have the same structure and are symmetrically arranged respectively, and a clamping groove is provided at the middle position of the clamping piece a and the clamping piece b near one side of the rotary tiller frame; there are two rotating blocks, which are fixedly arranged at the two ends of the upper surface of the inner sleeve rod respectively, and a rotating rod is rotatably penetrated between the two rotating blocks, and both ends of the rotating rod protrude The cam is connected to the support frame of the machine base and the support frame is connected with the support frame of the machine base, and the support frame is connected with the support frame of the machine base in an orderly manner.

[0005] A limit plate is provided on the outer side of the connecting guide plate, and the upper end of the limit plate contacts the hydraulic rod and the hinged end of the connecting guide plate, and the lower end is rotatably connected to the vertical plate through a rotating shaft. A through groove is provided at a position corresponding to the rotating shaft on the reinforcement plate, and a clamping plate is provided on the inner side of the rotating shaft, and one end of the clamping plate is fixedly connected to the rotating shaft, and the other end passes through the through groove and is located on the inner side of the reinforcement plate, and contacts with the rotary tiller frame through the clamping teeth at its upper end.

[0006] A return spring is fixedly arranged between the limit plate and the reinforcement plate, and the return spring is located in the middle of the inner side surface of the limit plate.

[0007] The angle formed between the limiting plate and the clamping plate is 90 degrees.

[0008] A plurality of connection holes a are fixedly provided on both sides of the square connecting sleeve along its height direction, and a plurality of connection holes b are provided on the side of the fixing rod from top to bottom, and the structures of the connection holes a and the connection holes b are the same, and they are detachably connected to each other by connection screws penetrated therein.

[0009] The outer surface of the reinforcement plate is evenly provided with a plurality of limiting holes, and a plurality of reinforcing blocks with a right-angled triangle structure are fixedly provided at the connection between the reinforcement plate and the support rod.

[0010] The beneficial effects of the present invention are as follows: the present invention provides an outer sleeve rod, an inner sleeve rod, a clamp a, a clamp b, a slot, a screw and a nut, and utilizes the matching connection between the slots on the clamp a and the clamp b and the rotary tiller frame, and the threaded connection between the screw and the nut, so that the nut can be rotated to move inward while rotating, so that the clamp a and the clamp b can be closely contacted with the rotary tiller frame by utilizing the extrusion force exerted on the outer sleeve rod when the nut moves, so as to complete the installation of the fixed frame. With this structure, the convenience of operation during installation and disassembly of the fixed frame can be increased. At the same time, the length of the fixed frame can be adjusted according to the overall width of the rotary tiller during installation, so as to increase its applicability. By providing a hydraulic rod, a connecting guide plate, a pillar, a rotating block, a rotating rod, a connecting plate, a vertical plate, a supporting rod and a square connecting sleeve, the connecting guide plate can be driven to move by the contraction of the hydraulic rod during use. After the side of the connecting guide plate contacts the pillar, as the hydraulic rod continues to contract, the connecting guide plate will move with the pillar as the fulcrum. The cam is connected to the support frame by the support rod and the connecting plate, and the support rod and the connecting plate are connected to the support frame, so that the support frame and the support plate are connected to the support frame, and the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting ... so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the connecting plate are connected to the support frame, so that the support plate and the BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front view of the present invention.

[0012] Figure 2 It is a top view of the connection between the fixed frame, the rotating block and the flip support frame in the present invention.

[0013] Figure 3 It is a side view of the connection between the square fixed sleeve rod, the turning support frame, the turning drive mechanism and the limit plate in the present invention.

[0014] Figure 4 It is a cross-sectional view of the front view of the connection between the square fixed sleeve rod and the rotating block in the present invention.

[0015] In the figure: 1, fixed frame 2, rotating block 21, rotating rod 22, connecting plate 23, vertical plate 3, flip support frame 31, support rod 32, square connecting sleeve 33, reinforcing plate 331, through groove 332, limiting hole 34, reinforcing block 4, furrow opener 5, shaper 6, flip drive mechanism 61, hydraulic rod 62, connecting guide plate 63, pillar 7, square fixed sleeve rod 71, outer sleeve rod 72, inner sleeve rod 73, clamp b74, clamp a 75, clamping groove 76, connecting block 77, screw 78, nut 8, fixed rod 9, limiting plate 91, rotating shaft 92, clamping plate 93, reset spring. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a folding furrowing device for a rotary tiller includes a fixed frame 1, a rotating block 2, a flip support frame 3, a furrow opener 4, a shaper 5 and a flip drive mechanism 6, wherein the fixed frame 1 is composed of two sets of parallel square fixed sleeve rods 7, wherein the square fixed sleeve rods 7 include an outer sleeve rod 71 and an inner sleeve rod 72, and the inner sleeve rods 72 in the two sets of square fixed sleeve rods 7 are fixedly connected by a connecting block 76, one end of the outer sleeve rod 71 is sleeved on the outside of the inner sleeve rod 72, and a through hole is provided at the center of the other end, and a clamp b73 is fixedly provided below the outer sleeve rod 71, and the lower end of the inner sleeve rod 72 is fixed A clamp a74 is provided, the other end of which is located in the outer sleeve rod 71 and is fixedly connected to a screw rod 77, and the outer end of the screw rod 77 is located outside the outer sleeve rod 71 through a through hole and is threadedly connected to a nut 78. The clamp a74 and the clamp b73 have the same structure and are symmetrically arranged respectively, and a clamping groove 75 is provided in the middle position of the clamp a74 and the clamp b73 near one side of the rotary tiller frame; there are two rotating blocks 2, which are fixedly arranged at the two ends of the upper surface of the inner sleeve rod 72 respectively, and a rotating rod 21 is rotatably passed through the two rotating blocks 2, and both ends of the rotating rod 21 protrude from the outside of the rotating block 2 and are fixed. The fixed sleeve is provided with a connecting plate 22, and a vertical plate 23 is vertically fixedly connected to the lower end of the connecting plate 22 away from the rotating rod 21; the flip support frame 3 includes a support rod 31 and a square connecting sleeve 32, the support rod 31 is located below the two vertical plates 23, and a reinforcing plate 33 is provided on its upper surface, and the vertical plates 23, the reinforcing plate 33 and the support rod 31 are all fixedly connected, and there are two square connecting sleeves 32, which are symmetrically arranged at the two ends of the support rod 31, the furrow opener 4 is located on the right side of the support rod 31, and the shaper 5 is located on the left side of the support rod 31, and the upper ends of the furrow opener 4 and the shaper 5 are A fixing rod 8 is fixedly provided which cooperates with the square connecting sleeve 32 structure, and a detachable connection between the support rods 31 is realized through the cooperation between the fixing rod 8 and the square connecting sleeve 32; the flipping driving mechanism 6 includes a hydraulic rod 61 and a connecting guide plate 62, one end of the hydraulic rod 61 is hinged to the frame of the rotary tiller, and the other end is hinged to the upper end of the connecting guide plate 62, the connecting guide plate 62 is located on the outer side of the connecting plate 22, and the lower end is rotatably connected to the outer side surface of the vertical plate 23 through a connecting shaft, a pillar 63 is provided on the inner side of the connecting guide plate 62, and the pillar 63 is vertically fixedly connected to the outer side surface of the connecting plate 22.

[0018] A limit plate 9 is provided on the outer side of the connecting guide plate 62, and the upper end of the limit plate 9 contacts the hinged end of the hydraulic rod 61 and the connecting guide plate 62, and the lower end is rotatably connected to the vertical plate 23 through a rotating shaft 91. A through groove 331 is provided at a position corresponding to the rotating shaft 91 on the reinforcing plate 33, and a clamping plate 92 is provided on the inner side of the rotating shaft 91, and one end of the clamping plate 92 is fixedly connected to the rotating shaft 91, and the other end passes through the through groove 331 and is located on the inner side of the reinforcing plate 33, and contacts with the rotary tiller frame through the clamping teeth at its upper end; the limit plate 9 and the reinforcing plate A return spring 93 is fixedly arranged between 33, and the return spring 93 is located in the middle of the inner side of the limit plate 9. With this structure, when the hydraulic rod 61 retracts and drives the present invention as a whole to be folded and recovered, the elastic tension of the return spring 93 can be used to drive the limit plate 9 and the clamping plate 92 to rotate clockwise around the rotating shaft 91 as the center, so that the clamping teeth at the upper end of the clamping plate 92 are out of contact with the rotary tiller frame, thereby releasing the limiting effect of the clamping plate 92 on the present invention as a whole; the angle formed between the limit plate 9 and the clamping plate 92 is 90o.

[0019] A plurality of connecting holes a are fixedly provided on both sides of the square connecting sleeve 32 along its height direction, and a plurality of connecting holes b are provided on the side of the fixing rod 8 from top to bottom, and the connecting holes a and the connecting holes b have the same structure and are detachably connected to each other by connecting screws penetrated therein; with this structure, the height of the furrow opener 4 and the shaper 5 from the ground can be adjusted by adjusting the matching connection between different connecting holes a and connecting holes b, thereby increasing its applicability; a plurality of limiting holes 332 are evenly provided on the outer surface of the reinforcing plate 33, and the matching of the limiting holes 332 with the screw head ends of the mounting screws on the side plates of the rotary tiller frame can play a certain limiting effect without affecting the overall flipping of the present invention, thereby preventing the present invention from shaking left and right in the horizontal direction as a whole when in use; a plurality of reinforcing blocks 34 of right-angled triangle structure are fixedly provided at the connection between the reinforcing plate 33 and the support rod 31, and the reinforcing blocks 34 can increase the stability of the connection between the reinforcing plate 33 and the support rod 31.

[0020] The present invention needs to be installed before use, and the specific installation operation is as follows: first, through the cooperation between the card slots 75 on the clamps a74 and b73 and the rotary tiller frame, the outer rod 71 and the inner rod 72 are respectively installed to the two sides of the rotary tiller frame, then, the outer rod 71 is sleeved on the outside of the inner rod 72, and the screw 77 is passed through the through hole to the outer end of the outer rod 71, finally, the nut 78 is installed and rotated. At this time, the nut 78 is moved inward while rotating by means of a threaded connection, so that the extrusion force applied by the nut 78 to the outer rod 71 is used to achieve a tight connection between the clamps a74 and b73 and the rotary tiller frame. Contact, and then complete the installation of the fixed frame 1 and the flip support frame 3. After completing the above operations, the hydraulic rod 61 is hingedly installed on the rotary tiller frame, and the height of the furrow opener 4 and the shaper 5 from the ground is adjusted by adjusting the cooperation between different connecting holes a and connecting holes b. After the adjustment is completed, the connecting screws are used to pass through the connecting holes a and connecting holes b in sequence, so as to realize the installation between the furrow opener 4 and the shaper 5 and the flip support frame 3, that is, the overall installation of the present invention is completed. The present invention adopts this structure to increase the convenience of operation during installation and disassembly. At the same time, the length of the fixed frame 1 can be adjusted according to the overall width of the rotary tiller during installation, thereby increasing its applicability.

[0021] When the present invention is used after installation, especially when the furrow opener 4 and the shaper 5 need to be folded and recovered, the hydraulic rod 61 can be controlled to retract, and the retraction of the hydraulic rod 61 can drive the connecting guide plate 62 to move, and the retraction of the hydraulic rod 61 can make the outer push force of the limiting plate 9 disappear, thereby utilizing the elastic tension of the reset spring 93 to drive the limiting plate 9 and the clamping plate 92 to rotate clockwise around the rotating shaft 91, so that the clamping teeth at the upper end of the clamping plate 92 are out of contact with the rotary tiller frame, thereby releasing the limiting effect of the clamping plate 92 on the whole of the present invention. At the same time, as the hydraulic rod 61 is retracted, the connecting guide plate 62 can be driven to make its side contact with the support 63, and as the hydraulic rod 61 continues to retract, the connecting guide plate 62 is driven to rotate with the support 63 The support rod 31 and the square connecting sleeve 32 are rotated upward with the rotating rod 21 as the fulcrum. At this time, by utilizing the connection between the connecting guide plate 62 and the vertical plate 23, the fixed sleeve connection between the connecting plate 22 and the rotating rod 21, and the rotating connection between the rotating rod 21 and the rotating block 2, the hydraulic rod 61 can drive the connecting guide plate 62 to rotate with the pillar 63 as the fulcrum, while driving the support rod 31 and the square connecting sleeve 32 as a whole to flip upward with the rotating rod 21 as the center, so that the support rod 31 is used to drive the furrow opener 4 and the shaper 5 to flip upward and fold them back. The present invention adopts this structure to increase the diversity of its functions. At the same time, it also increases the convenience of operation when the furrow opener 4 and the shaper 5 are folded and retracted and unfolded and put down. In general, the present invention has the advantages of reasonable structure and convenient operation and use.

[0022] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the specific implementation modes of the present invention can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A folding furrowing device for a rotary tiller, comprising a fixed frame, a rotating block, a flip support frame, a furrow opener, a shaper and a flip driving mechanism, characterized in that: The fixing frame is composed of two groups of parallelly arranged square fixing sleeve rods, wherein the square fixing sleeve rods include an outer sleeve rod and an inner sleeve rod, and the inner sleeve rods in the two groups of square fixing sleeve rods are fixedly connected by connecting blocks, one end of the outer sleeve rod is sleeved on the outside of the inner sleeve rod, and a through hole is arranged at the center of the other end, and a clamping piece b is fixedly arranged below the outer sleeve rod, a clamping piece a is fixedly arranged below one end of the inner sleeve rod, and the other end is located in the outer sleeve rod and fixedly connected with a screw rod, and the outer end of the screw rod is located outside the outer sleeve rod through the through hole and is threadedly connected with a nut, the clamping piece a and the clamping piece b have the same structure and are symmetrically arranged respectively, and A card slot is provided in the middle position of one side of the card member a and the card member b close to the rotary tiller frame; there are two rotating blocks, which are respectively fixed at the two ends of the upper surface of the inner sleeve rod, and a rotating rod is rotatably passed through the two rotating blocks, both ends of the rotating rod protrude from the outside of the rotating block, and are fixedly sleeved with a connecting plate, and a vertical plate is vertically fixedly connected to the lower end of the connecting plate away from the rotating rod; the flip support frame includes a support rod and a square connecting sleeve, the support rod is located below the two vertical plates, and a reinforcement plate is provided on its upper surface, and the vertical plate, the reinforcement plate and the support rod are all fixedly connected, and there are two square connecting sleeves, which are symmetrically arranged on the support rods. At both ends of the support rod, the furrow opener is located on the right side of the support rod, and the shaper is located on the left side of the support rod, and the upper ends of the furrow opener and the shaper are fixedly provided with fixing rods that cooperate with the square connecting sleeve structure, and the detachable connection between the support rods is realized through the cooperation of the fixing rod and the square connecting sleeve; the flip driving mechanism includes a hydraulic rod and a connecting guide plate, one end of the hydraulic rod is hinged to the frame of the rotary tiller, and the other end is hinged to the upper end of the connecting guide plate, the connecting guide plate is located on the outside of the connecting plate, and the lower end is rotatably connected to the outer side surface of the vertical plate through a connecting shaft, the inner side of the connecting guide plate is provided with a pillar, and the pillar and the connecting plate are connected The outer side surface is vertically fixedly connected, a limit plate is arranged on the outer side of the connecting guide plate, and the upper end of the limit plate contacts with the hydraulic rod and the hinged end of the connecting guide plate, and the lower end is rotatably connected with the vertical plate through a rotating shaft, and a through groove is arranged at a position corresponding to the rotating shaft on the reinforcement plate, and a clamping plate is arranged on the inner side of the rotating shaft, and one end of the clamping plate is fixedly connected with the rotating shaft, and the other end passes through the through groove and is located on the inner side of the reinforcement plate, and contacts with the rotary tiller frame through the clamping teeth at its upper end; a reset spring is fixedly arranged between the limit plate and the reinforcement plate, and the reset spring is located in the middle part of the inner side surface of the limit plate; the angle formed between the limit plate and the clamping plate is 90°.

2. A folding furrowing device for a rotary tiller according to claim 1, characterized in that: A plurality of connection holes a are fixedly provided on both sides of the square connecting sleeve along its height direction, and a plurality of connection holes b are provided on the side of the fixing rod from top to bottom, and the structures of the connection holes a and the connection holes b are the same, and they are detachably connected to each other by connection screws penetrated therein.

3. A folding furrowing device for a rotary tiller according to claim 1, characterized in that: The outer surface of the reinforcement plate is evenly provided with a plurality of limiting holes, and a plurality of reinforcing blocks with a right-angled triangle structure are fixedly provided at the connection between the reinforcement plate and the support rod.

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