Soil loosening device for forestry treatment

Abstract

The invention provides a soil loosening device for forestry treatment, and relates to the field of agricultural machinery, the soil loosening device comprises a subsoiler frame body, loosening land wheels, loosening plough legs, an improved nozzle, a loosening filter part, an improved driving mechanism and a filter driving mechanism; the loosening land wheels are rotationally connected to the inner side of the deep scarification rack body; the loosening plough legs are fixedly connected to the front end of the deep scarification machine frame body. The improved fixing frame is fixedly connected to the upper end of the rear portion of the deep scarification machine frame body. The improved spray heads are fixedly connected to the lower part of the improved fixing frame respectively; the loosening and filtering part is arranged on the inner side of the deep scarification rack body; the improved driving mechanism is arranged at the rear end of the deep scarification rack body; the filtering driving mechanism is arranged on the inner side of the subsoiler rack body, tree roots in soil can be conveniently picked out, the quality of the soil is guaranteed, and the problems that in the prior art, the tree roots need to be picked out manually, operation is tedious, and the use effect of the subsoiler is affected are solved.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, and in particular to a soil loosening device for forestry management. Background Art

[0002] When managing forestry soil, it is generally necessary to loosen the compacted soil. Existing deep loosening machines are generally used to transport the soil. Existing deep loosening machines are generally composed of a bracket, plow legs, ground wheels, etc. When loosening the soil, the deep loosening machine is driven forward by a traction agricultural machine, the soil is raised by the plow legs, and then the raised soil is broken up by the ground wheels to loosen the soil, thereby improving the quality of the soil.

[0003] The existing publication number is: CN114009162A The present invention relates to a garden soil loosening device, comprising: a housing, a driving mechanism is arranged on the housing; a telescopic mechanism I is arranged at the bottom of the housing, a loosening structure is arranged below the telescopic mechanism I, and the telescopic mechanism I can drive the loosening structure to move up and down; a transmission structure is arranged on one side of the housing, the input end of the transmission structure is connected to the output end of the driving mechanism, and when the telescopic mechanism I reaches the elongation limit state, the output end of the transmission structure is connected to the extension section of the rotating shaft; and further comprising: a soil turning and ridging structure, which is arranged on the housing between the loosening structure and the tail of the agricultural machine. The device realizes automatic loosening of the soil, can control the loosening depth, and reduces labor at the same time, has strong practicality, and is worthy of promotion.

[0004] However, when using a deep tiller to treat forestry soil, since many forest soils contain a large number of tree roots, although the deep tiller can pull out the tree roots in the soil, the rotation of the ground wheel will still mix the tree roots in the loose soil, requiring manual labor to pick out the tree roots, which is cumbersome and affects the use effect of the deep tiller. Summary of the invention

[0005] In view of this, the present invention provides a soil loosening device for forestry management, which can achieve the mixing of soil conditioner and water, so that the soil conditioner is diluted and then sprayed on the soil, thereby achieving soil improvement, improving soil fertility, and improving the growth quality of subsequent tree planting, shaking off the soil carried on the surface of tree roots, facilitating the subsequent collection and treatment of tree roots, achieving the collection of tree roots, facilitating the picking out of tree roots in the soil, improving the use effect of the deep loosening machine, reducing manual operation, and ensuring the quality of the soil.

[0006] The present invention provides a purpose and effect of a soil loosening device for forestry management, including a deep loosening machine frame, a loosening wheel, a first transmission wheel, a loosening plow leg, an improved fixing frame, an improved nozzle, a loosening filter, an improved driving mechanism and a filtering driving mechanism; The loosening wheel is rotatably connected to the inner side of the deep loosening machine frame, and a plurality of groups of protruding structures are arranged on the outer periphery of the loosening wheel; There are two groups of the first transmission wheels, which are coaxially fixedly connected to the left and right ends of the loose ground wheel respectively, and are connected to the external traction mechanical transmission through belts; The loosening plow legs are provided with multiple groups, and the multiple groups of loosening plow legs are respectively fixedly connected to the front end of the deep loosening machine frame; The improved fixing frame is fixedly connected to the rear upper end of the subsoiler frame body; The improved nozzles are provided in multiple groups, and the multiple groups of improved nozzles are respectively fixedly connected to the bottom of the improved fixing frame, and the multiple groups of improved nozzles are connected to the inside of the improved fixing frame; The loosening filter is arranged on the inner side of the deep loosening machine frame; The improved driving mechanism is arranged at the rear end of the subsoiler frame; The filter driving mechanism is arranged on the inner side of the deep tillage machine frame.

[0007] Further, the improved driving mechanism includes: an improved water tank; The improved water tank is fixedly connected to the rear end of the deep tillage machine frame.

[0008] Furthermore, the improved driving mechanism also includes: an improved mixing element and an improved medicine adding box; The improved mixing element is fixedly connected above the improved water tank, and the improved mixing element is connected to the improved water tank through a hose; The improved medicine-adding box is fixedly connected above the improved mixing piece, the lower end of the improved medicine-adding box is communicated with the inside of the improved mixing piece, and the inside of the improved medicine-adding box is filled with soil conditioner.

[0009] Furthermore, the improved driving mechanism also includes: an improved driving water pump and an improved additional water wheel; The improved driving water pump is fixedly connected to the front end of the improved water tank, the water inlet pipe of the improved driving water pump is communicated with the interior of the improved mixing element, and the water outlet pipe of the improved driving water pump is communicated with the interior of the improved fixing frame; The improved adding water wheel is rotatably connected to the inner upper end of the improved mixing piece.

[0010] Further, the filter drive mechanism includes: a second transmission wheel; There are two groups of second transmission wheels, which are rotatably connected to the left and right ends of the deep loosening machine frame respectively, and the two groups of second transmission wheels are coaxially fixedly connected, and the two groups of second transmission wheels are connected to the transmission through belts.

[0011] Furthermore, the filter drive mechanism also includes: a filter limiter, a filter connector and a filter support spring; There are two groups of filter stoppers in total, both groups of filter stoppers are provided with a slide groove structure, and the two groups of filter stoppers are respectively fixedly connected to the inner side of the subsoiler frame; The filter connectors are provided in two groups, and the two groups of filter connectors are respectively slidably connected to the inner side of the slide groove of the filter limiter, and the inner sides of the two groups of filter connectors are fixedly connected to the loose filter element; The filter support springs are provided in two groups, and the two groups of filter support springs are respectively fixedly connected inside the slide groove of the filter limiter, and the upper ends of the two groups of filter support springs are fixedly connected to the filter connector.

[0012] Furthermore, the filter drive mechanism also includes: a filter drive rack and a filter drive gear; The filter drive racks are provided with two groups in total, and the two groups of filter drive racks are respectively fixedly connected to the outside of the filter connector; There are two groups of filter drive gears, both of which are incomplete gear structures. The two groups of filter drive gears are coaxially fixedly connected to the inner side of the second transmission wheel, and the two groups of filter drive gears are respectively meshed with the filter drive racks.

[0013] Furthermore, the filter drive mechanism also includes: a cleaning drive screw, a cleaning guide, a cleaning limiter, a cleaning drive member and a cleaning lever; The cleaning drive screw is a reciprocating screw structure, coaxially fixedly connected to the inner sides of the two sets of second transmission wheels; The cleaning guide is fixedly connected above the loose filter element; The cleaning limiter is arranged on the outer periphery of the cleaning guide; The cleaning drive member is threadedly connected to the outer periphery of the cleaning drive lead screw, and the cleaning drive member is fixedly connected to the cleaning limit member; The cleaning levers are provided in multiple groups, and the multiple groups of cleaning levers are respectively fixedly connected to the outer sides of the cleaning driving members.

[0014] Beneficial effect: The present invention improves the setting of the driving mechanism, opens the improved driving water pump, and the improved driving water pump draws the water inside the improved water tank into the inside of the improved fixing frame through the improved mixing piece. The water inside the improved fixing frame is sprayed onto the loosened soil through the improved nozzle. At the same time, the improved adding water wheel is rotated by the impact of the water flow. The rotation of the improved adding water wheel mixes the soil conditioner inside the improved adding box into the inside of the improved mixing piece, thereby achieving mixing of the soil conditioner and water, and the soil conditioner is diluted and then sprayed onto the soil, thereby achieving soil improvement, improving soil fertility, and improving the growth quality of subsequent tree planting.

[0015] The present invention sets a filtering drive mechanism, and the loosening plow leg lifts the soil. At the same time, the first transmission wheel is driven to rotate by the traction machinery. The rotation of the first transmission wheel drives the loosening wheel to rotate. The rotation of the loosening wheel loosens the soil, and the protrusions of the loosening wheel lift the tree roots in the soil into the interior of the loose filter element, so that the loose filter element collects the tree roots.

[0016] The filter mechanism of the present invention is provided with the setting of the filter driving mechanism, the second transmission wheel rotates to drive the filter driving gear to rotate, and the filter driving gear rotates to mesh with the filter driving rack. At this time, the filter driving rack is driven to move downward, and when the filter driving gear is disengaged from the filter driving rack, the filter driving rack is reset under the action of the filter supporting spring. At this time, the filter driving rack is realized to move up and down, and the filter driving rack moves up and down to drive the filter connecting piece to move up and down, and the filter connecting piece moves up and down to drive the loose filter piece to move up and down, and the loose filter piece moves up and down to shake off the soil carried on the surface of the tree roots, which is convenient for subsequent collection and processing of the tree roots. The rotation of the second transmission wheel also drives the cleaning driving screw to rotate, and the rotation of the cleaning driving screw drives the cleaning driving piece to move left and right, and the cleaning driving piece moves left and right to drive the cleaning lever to move left and right, and the cleaning lever moves left and right to push the tree roots collected on the loose filter piece to the ground, which is convenient for users to collect the tree roots and to pick out the tree roots in the soil, thereby improving the use effect of the deep loosening machine, reducing manual operation, and ensuring the quality of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0020] Figure 2 It is a schematic diagram of the improved driving water pump structure of an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the cleaning drive screw structure of an embodiment of the present invention.

[0022] Figure 4 It is a schematic diagram of the improved driving mechanism structure of an embodiment of the present invention.

[0023] Figure 5 It is a schematic diagram of the improved water wheel structure of an embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the filter drive mechanism of an embodiment of the present invention.

[0025] Figure 7 Schematic diagram of the filter drive gear structure of an embodiment of the present invention.

[0026] Figure 8 Schematic diagram of the cleaning limiter structure of an embodiment of the present invention.

[0027] Reference numerals list 1. Deep tillage machine frame; 101. Improve water tank; 102. Improve mixing element; 103. Improve dosing box; 104. Improve driving water pump; 105. Improve adding water wheel; 2. Loosen ground wheel; 3. First transmission wheel; 4. Loosen plow legs; 5. Improve fixing frame; 6. Improve nozzle; 7. Loosen filter element; 701. Second transmission wheel; 702. Filter limiter; 703. Filter connector; 704. Filter support spring; 705. Filter drive rack; 706. Filter drive gear; 707. Clean drive screw; 708. Clean guide; 709. Clean limiter; 710. Clean drive element; 711. Clean lever. DETAILED DESCRIPTION

[0028] Example 1: Please refer to Figures 1 to 5 As shown: The present invention provides a soil loosening device for forestry management, comprising a deep loosening machine frame 1, a loosening wheel 2, a first transmission wheel 3, a loosening plow leg 4, an improved fixing frame 5, an improved nozzle 6, a loosening filter 7 and an improved driving mechanism; The loosening wheel 2 is rotatably connected to the inner side of the deep loosening machine frame 1, and a plurality of groups of protruding structures are arranged on the outer periphery of the loosening wheel 2; There are two sets of first transmission wheels 3, which are coaxially fixedly connected to the left and right ends of the loose ground wheel 2, and are connected to the external traction mechanical transmission through belts. There are multiple groups of loosening plow legs 4, and the multiple groups of loosening plow legs 4 are respectively fixedly connected to the front end of the deep loosening machine frame body 1; The improved fixing frame 5 is fixedly connected to the rear upper end of the deep loosening machine frame body 1; There are multiple groups of improvement nozzles 6, and the multiple groups of improvement nozzles 6 are respectively fixedly connected to the bottom of the improvement fixing frame 5, and the multiple groups of improvement nozzles 6 are connected to the inside of the improvement fixing frame 5; The loosening filter 7 is arranged on the inner side of the deep loosening machine frame 1; The improved driving mechanism is arranged at the rear end of the deep tillage machine frame body 1.

[0029] The improved driving mechanism includes: an improved water tank 101, an improved mixing element 102, an improved dosing box 103, an improved driving water pump 104 and an improved dosing water wheel 105; Improve the water tank 101 to be fixedly connected to the rear end of the deep tillage machine frame 1; The improved mixing element 102 is fixedly connected above the improved water tank 101, and the improved mixing element 102 is connected to the improved water tank 101 through a hose; The improved medicine adding box 103 is fixedly connected to the upper part of the improved mixing piece 102, the lower end of the improved medicine adding box 103 is communicated with the interior of the improved mixing piece 102, and the interior of the improved medicine adding box 103 is filled with soil conditioner; The improved driving water pump 104 is fixedly connected to the front end of the improved water tank 101, the water inlet pipe of the improved driving water pump 104 is communicated with the interior of the improved mixing element 102, and the water outlet pipe of the improved driving water pump 104 is communicated with the interior of the improved fixing frame 5; The improved adding water wheel 105 is rotatably connected to the inner upper end of the improved mixing element 102 .

[0030] During use, when forestry soil is transported, as the deep tillage machine frame 1 moves forward, the improved driving water pump 104 is turned on, and the improved driving water pump 104 pumps the water inside the improved water tank 101 into the improved fixed frame 5 through the improved mixing element 102, and the water inside the improved fixed frame 5 is sprayed onto the loosened soil through the improved nozzle 6. At the same time, the improved adding water wheel 105 is rotated by the impact of the water flow, and the improved adding water wheel 105 rotates to mix the soil conditioner inside the improved dosing box 103 into the improved mixing element 102, thereby achieving the mixing of the soil conditioner and water, so that the soil conditioner is diluted and sprayed onto the soil, thereby achieving the improvement of the soil, improving the soil fertility, and improving the growth quality of subsequent tree planting.

[0031] Embodiment 2: The present invention provides a soil loosening device for forestry management. Based on the embodiment 1, Figures 1 to 8 As shown, it also includes a filter drive mechanism, which is arranged on the inner side of the deep loosening machine frame 1. The filter drive mechanism includes: a second transmission wheel 701, a filter stopper 702, a filter connector 703, a filter support spring 704, a filter drive rack 705, a filter drive gear 706, a cleaning drive lead screw 707, a cleaning guide 708, a cleaning stopper 709, a cleaning drive member 710 and a cleaning lever 711; There are two sets of second transmission wheels 701, which are rotatably connected to the left and right ends of the deep loosening machine frame 1, respectively, and the two sets of second transmission wheels 701 are coaxially fixedly connected, and the two sets of second transmission wheels 701 are connected to the transmission through belts; There are two groups of filter stoppers 702, both of which are provided with a slide structure, and the two groups of filter stoppers 702 are respectively fixedly connected to the inner side of the deep loosening machine frame 1; There are two groups of filter connectors 703, which are respectively slidably connected to the inner side of the slide groove of the filter stopper 702, and the inner sides of the two groups of filter connectors 703 are fixedly connected to the loose filter element 7; There are two groups of filter support springs 704, which are respectively fixedly connected to the inside of the slide groove of the filter stopper 702, and the upper ends of the two groups of filter support springs 704 are fixedly connected to the filter connector 703; There are two sets of filter drive racks 705, and the two sets of filter drive racks 705 are fixedly connected to the outer sides of the filter connector 703 respectively; There are two groups of filter drive gears 706, both of which are incomplete gear structures. The two groups of filter drive gears 706 are coaxially fixedly connected to the inner side of the second transmission wheel 701, and the two groups of filter drive gears 706 are respectively meshed with the filter drive rack 705; The cleaning drive screw 707 is a reciprocating screw structure, coaxially fixedly connected to the inner sides of the two sets of second transmission wheels 701; The cleaning guide 708 is fixedly connected above the loose filter element 7; The cleaning limiter 709 is arranged on the outer periphery of the cleaning guide 708; The cleaning driving member 710 is threadedly connected to the outer periphery of the cleaning driving lead screw 707, and the cleaning driving member 710 is fixedly connected to the cleaning limiting member 709; There are multiple groups of cleaning levers 711 , and the multiple groups of cleaning levers 711 are respectively fixedly connected to the outer sides of the cleaning driving member 710 .

[0032] During use, when the soil is loosened, as the deep loosening machine frame 1 moves forward, the loosening plow legs 4 raise the soil, and at the same time the first transmission wheel 3 is driven to rotate by the traction machinery, and the rotation of the first transmission wheel 3 drives the loosening wheel 2 to rotate, and the loosening wheel 2 rotates to loosen the soil, and the protrusion of the loosening wheel 2 picks up the tree roots in the soil to the inside of the loosening filter element 7, and the loosening filter element 7 realizes the collection of tree roots. At the same time, the rotation of the first transmission wheel 3 drives the second transmission wheel 701 to rotate, and the rotation of the second transmission wheel 701 drives the filter driving gear 706 to rotate, and when the filter driving gear 706 rotates to mesh with the filter driving rack 705, the filter driving rack 705 is driven to move downward, and when the filter driving gear 706 is disengaged from the filter driving rack 705, the filter driving rack 705 is reset under the action of the filter support spring 704, and the over-pressure is realized. The filter driving rack 705 moves up and down, and the filter driving rack 705 moves up and down, driving the filter connecting piece 703 to move up and down, and the filter connecting piece 703 moves up and down, driving the loose filter piece 7 to move up and down, and the loose filter piece 7 moves up and down to shake off the soil carried on the surface of the tree roots, which is convenient for the subsequent collection and processing of the tree roots. At the same time, the rotation of the second transmission wheel 701 also drives the cleaning driving screw 707 to rotate, and the rotation of the cleaning driving screw 707 drives the cleaning driving piece 710 to move left and right. The cleaning limit piece 709 and the cleaning guide piece 708 jointly realize the limiting effect of the cleaning driving piece 710. The cleaning driving piece 710 moves left and right, driving the cleaning lever 711 to move left and right. The cleaning lever 711 moves left and right to push the tree roots collected on the loose filter piece 7 to the ground, which is convenient for users to collect the tree roots, and it is convenient to pick out the tree roots in the soil, thereby ensuring the quality of the soil.

[0033] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A soil loosening device for forestry management, comprising a deep loosening frame (1), a loosening wheel (2), a first transmission wheel (3), a loosening plow leg (4), an improved fixing frame (5), an improved nozzle (6), a loosening filter (7), an improved driving mechanism and a filtering driving mechanism; characterized in that: The loosening wheel (2) is rotatably connected to the inner side of the deep loosening machine frame (1), and a plurality of groups of protruding structures are arranged on the outer periphery of the loosening wheel (2); two groups of the first transmission wheels (3) are arranged in total, and the two groups of the first transmission wheels (3) are coaxially fixedly connected to the left and right ends of the loosening wheel (2), and the two groups of the first transmission wheels (3) are connected to the external traction mechanical transmission through belts; the loosening plow legs (4) are arranged in multiple groups, and the multiple groups of the loosening plow legs (4) are respectively fixedly connected to the front end of the deep loosening machine frame (1); The improved fixing frame (5) is fixedly connected to the upper rear end of the deep tillage machine frame (1); the improved nozzles (6) are provided in a plurality of groups, and the plurality of groups of improved nozzles (6) are respectively fixedly connected to the bottom of the improved fixing frame (5), and the plurality of groups of improved nozzles (6) are all connected to the inside of the improved fixing frame (5); the loosening filter (7) is arranged on the inner side of the deep tillage machine frame (1); the improved driving mechanism is arranged at the rear end of the deep tillage machine frame (1); and the filtering driving mechanism is arranged on the inner side of the deep tillage machine frame (1).

2. A soil loosening device for forestry management as claimed in claim 1, characterized in that: The improved driving mechanism comprises: an improved water tank (101); the improved water tank (101) is fixedly connected to the rear end of the deep tillage machine frame (1).

3. A soil loosening device for forestry management as claimed in claim 2, characterized in that: The improved driving mechanism further comprises: an improved mixing element (102) and an improved medicine adding box (103); the improved mixing element (102) is fixedly connected to the top of the improved water tank (101), and the improved mixing element (102) and the improved water tank (101) are connected via a hose; the improved medicine adding box (103) is fixedly connected to the top of the improved mixing element (102), and the lower end of the improved medicine adding box (103) is connected to the inside of the improved mixing element (102), and the inside of the improved medicine adding box (103) is filled with a soil conditioner.

4. A soil loosening device for forestry management as claimed in claim 3, characterized in that: The improved driving mechanism further comprises: an improved driving water pump (104) and an improved water adding wheel (105); the improved driving water pump (104) is fixedly connected to the front end of the improved water tank (101); the water inlet pipe of the improved driving water pump (104) is in communication with the interior of the improved mixing element (102); the water outlet pipe of the improved driving water pump (104) is in communication with the interior of the improved fixing frame (5); and the improved water adding wheel (105) is rotatably connected to the internal upper end of the improved mixing element (102).

5. A soil loosening device for forestry management as claimed in claim 1, characterized in that: The filtering drive mechanism comprises: a second transmission wheel (701); two groups of the second transmission wheels (701) are provided, the two groups of the second transmission wheels (701) are rotatably connected to the left and right ends of the deep loosening machine frame (1) respectively, the two groups of the second transmission wheels (701) are coaxially fixedly connected, and the two groups of the second transmission wheels (701) are connected to the transmission via a belt.

6. A soil loosening device for forestry management as claimed in claim 5, characterized in that: The filter drive mechanism further comprises: a filter stopper (702), a filter connection member (703) and a filter support spring (704); the filter stopper (702) is provided in two groups, both groups of filter stoppers (702) are provided with a slide groove structure, and the two groups of filter stoppers (702) are respectively fixedly connected to the inner side of the deep loosening machine frame (1); the filter connection member (703) is provided in two groups, both groups of filter connection members (703) are respectively slidably connected to the inner side of the slide groove of the filter stopper (702), and the inner sides of the two groups of filter connection members (703) are both fixedly connected to the loosening filter member (7); the filter support spring (704) is provided in two groups, both groups of filter support springs (704) are respectively fixedly connected to the inner side of the slide groove of the filter stopper (702), and the upper ends of the two groups of filter support springs (704) are both fixedly connected to the filter connection member (703).

7. A soil loosening device for forestry management as claimed in claim 6, characterized in that: The filter drive mechanism further comprises: a filter drive rack (705) and a filter drive gear (706); two groups of the filter drive rack (705) are provided, and the two groups of filter drive racks (705) are respectively fixedly connected to the outside of the filter connecting member (703); two groups of the filter drive gear (706) are provided, and both groups of filter drive gears (706) are incomplete gear structures, and the two groups of filter drive gears (706) are respectively coaxially fixedly connected to the inside of the second transmission wheel (701), and the two groups of filter drive gears (706) are respectively meshed with the filter drive rack (705).

8. A soil loosening device for forestry management as claimed in claim 7, characterized in that: The filter drive mechanism further comprises: a cleaning drive lead screw (707), a cleaning guide (708), a cleaning limiter (709), a cleaning drive member (710) and a cleaning lever (711); the cleaning drive lead screw (707) is a reciprocating lead screw structure, coaxially fixedly connected to the inner sides of two sets of second transmission wheels (701); the cleaning guide (708) is fixedly connected above the loose filter member (7); the cleaning limiter (709) is arranged on the outer periphery of the cleaning guide (708); the cleaning drive member (710) is threadedly connected to the outer periphery of the cleaning drive lead screw (707), and the cleaning drive member (710) is fixedly connected to the cleaning limiter (709); a plurality of cleaning levers (711) are arranged, and the plurality of cleaning levers (711) are respectively fixedly connected to the outer sides of the cleaning drive member (710).

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