A cotton stalk pulling device

Abstract

The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment. The application provides a cotton stalk pulling device, and relates to the technical field of agricultural machinery equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural machinery equipment, in particular to a clamp type cotton stalk pulling device. BACKGROUND

[0002] The cotton planting area in China ranks in the forefront of the world. In Xinjiang region of China, cotton is the largest crop in planting area. Cotton stalk is a byproduct in the process of cotton production, and needs to be pulled out after the cotton is harvested.

[0003] For example, in the invention patent with application number CN202310069417.2 and the name of a cotton stalk pulling device and a cotton stalk pulling method, it is disclosed that the cotton stalk is clamped by the clamping mechanism above, and the cotton stalk is removed by the excavating device below. However, in actual application, the clamping mechanism needs to be loosened and clamped again, which is discontinuous in the operation process. In the process of the removal of the cotton stalk by the turning of the planer blade of the excavating device, the cotton stalk is easy to slip from the planer blade due to its dense planting and small size, resulting in that some cotton stalks cannot be removed by the planer blade, and part of the cotton stalks are easy to be wound on the planer during the conveying, resulting in low cotton stalk pulling rate and conveying efficiency. SUMMARY

[0004] The purpose of the present application is to provide a clamp type cotton stalk pulling device to solve the problem of the existing technology that the cotton stalk is easy to slip from the planer blade and is easy to be wound on the planer during the conveying, resulting in low cotton stalk pulling rate and conveying efficiency.

[0005] In order to achieve the above purpose, the clamp type cotton stalk pulling device provided by the present application includes a rack, a clamping mechanism and a stalk pulling mechanism. The clamping mechanism is connected to the upper part of the rack, and the stalk pulling mechanism is connected to the lower part of the rack.

[0006] The clamping mechanism includes a clamping assembly and a first power assembly. The clamping assembly is rotatably connected to the rack by the first power assembly. The clamping assembly is arranged in pairs and has a clamping cotton stalk gap between them. The first power assembly drives the clamping assembly to clamp the cotton stalk and move the cotton stalk along the clamping cotton stalk gap.

[0007] The stalk pulling mechanism includes a stalk pulling assembly and a second power assembly. The stalk pulling assembly and the second power assembly are rotatably connected to the rack. The stalk pulling assembly includes a chain and a stalk pulling knife. The chain is uniformly connected with the stalk pulling knives along the circumference of the chain. The stalk pulling knives have a plurality of V-shaped teeth. The chain is driven to rotate by the second power assembly to embed and clamp the cotton stalk clamped by the clamping assembly in the V-shaped teeth, and then the cotton stalk is pulled out. The pulled-out cotton stalk moves along the clamping cotton stalk gap to the outside.

[0008] Further, the stalk pulling assembly further comprises a transmission assembly, a bending plate, an upper pressing block and a lower pressing block; the transmission assembly is rotationally connected to the frame; the chain is symmetrically rotationally connected to two ends of the transmission assembly; the bending plates are uniformly connected along the circumference of the outer side of the chain; the bending plates are connected with the lower pressing blocks; the upper pressing block and the lower pressing block are connected with the stalk pulling knife.

[0009] Further, the stalk pulling knife is in a T-shaped structure, and comprises a stalk pulling knife body and a connecting block; the stalk pulling knife body is in a plate-shaped structure; the first end of the stalk pulling knife body has a plurality of V-shaped teeth along the length direction, for clamping the cotton stalk; the second end of the stalk pulling knife body is symmetrically connected with the connecting block along the two sides of the length direction; the connecting block has a plurality of bolt holes, for passing through bolts to connect the connecting block with the upper pressing block and the lower pressing block respectively.

[0010] Further, the transmission assembly comprises a driving shaft, a driven shaft, a driving sprocket, a driven sprocket, a main connecting seat and a secondary connecting seat; the driving sprocket is connected to the driving shaft; the driven sprocket is connected to the driven shaft; the driving sprocket and the chain are meshingly rotationally connected; the driven sprocket and the chain are meshingly rotationally connected; the driving shaft is located at the rear end of the chain along the running direction; the driven shaft is located at the front end of the chain along the running direction; the shaft end of the driving shaft is connected to the frame through the main connecting seat; the shaft end of the driven shaft is connected to the frame through the secondary connecting seat.

[0011] The size of the driving sprocket is greater than the size of the driven sprocket.

[0012] Further, the second power assembly comprises a first transmission sprocket assembly and a second transmission sprocket assembly; the first transmission sprocket assembly and the second transmission sprocket assembly are rotationally connected to the frame; the first transmission sprocket assembly and the second transmission sprocket assembly are rotationally connected; the second transmission sprocket assembly is connected with the driving shaft; the driving of the first transmission sprocket assembly drives the rotation of the second transmission sprocket assembly, so as to drive the rotation of the driving shaft.

[0013] Further, the front end of the clamping assembly exceeds the front end of the chain, so as to clamp the cotton stalk into the V-shaped teeth; the height of the front end of the clamping assembly is lower than the height of the rear end of the clamping assembly, so as to reduce the height of the stalk pulling; the two symmetrically distributed clamping assemblies are in parallel distribution or in preset angle distribution; when the two clamping assemblies have a preset angle, the included angle between the front ends of the two clamping assemblies is greater than the included angle between the rear ends of the two clamping assemblies.

[0014] Further, the clamping assembly comprises a clamping wheel assembly, tensioning wheels, a driving wheel and a clamping belt; the clamping wheel assembly comprises a clamping wheel and a flow guide wheel, the flow guide wheel is located below the clamping wheel and is connected with the clamping wheel in an integrated structure, the clamping wheel and the flow guide wheel are rotationally connected to the front end of the running direction of the rack; the driving wheel is rotationally connected to the rear end of the running direction of the rack; the clamping wheel assembly and the driving wheel are connected through the clamping belt; a plurality of tensioning wheels are evenly distributed between the clamping wheel assembly and the driving wheel to tension the clamping belt.

[0015] Further, a plurality of flow guide teeth are uniformly connected along the outer circumferential direction of the clamping wheel to guide the cotton stalks into the clamping cotton stalk gap.

[0016] Further, the first power assembly comprises a driving motor, a bevel gear assembly and a driving shaft assembly; the driving motor is connected to the rack; the driving shaft assembly is driven to rotate by the driving motor, and the driving shaft assembly transmits power to the driving wheel through the bevel gear assembly.

[0017] Further, the support is connected near the front end of the running direction of the rack, the support is connected above the rack in an inverted U shape, and the hand holds the support to assist the rack to run in a straight line.

[0018] Further, the clamping mechanism further comprises a lifting assembly; the lifting assembly is used to movably connect the upper part of the rack and the lower part of the rack, and the height between the upper part of the rack and the lower part of the rack is adjusted by adjusting the lifting assembly; the lifting assembly comprises a first lifting frame, an adjusting plate, a connecting plate and a second lifting frame; the first lifting frame is connected to the front end of the rack, and the second lifting frame is connected to the rear end of the rack; the adjusting plate is connected to the upper part of the rack, a plurality of bolt holes are arranged on the adjusting plate, the first lifting frame is connected with the adjusting plate by passing bolts through the bolt holes; the connecting plate is connected to the upper part of the rack, a plurality of threaded holes are formed in the second lifting frame, and the second lifting frame is connected with the connecting plate by passing bolts through the threaded holes.

[0019] Further, the bottom of the rack is rotationally connected with a ground wheel, the ground wheel is located at the front end of the running direction of the rack and is used to drive the rack to run on the ground.

[0020] By adopting the above technical scheme, the clamping type cotton stalk pulling device provided by the present application has the following technical effects compared with the prior art:

[0021] The clamping mechanism is connected to the upper portion of the frame, and the stalk pulling mechanism is connected to the lower portion of the frame; the upper portion of the stem diameter of the cotton stalk is clamped by the clamping mechanism, and the position close to the root of the cotton stalk is clamped by the stalk pulling mechanism and the cotton stalk is pulled out; the clamping mechanism comprises a clamping assembly and a first power assembly; the clamping assembly is arranged in pairs and has a clamping cotton stalk gap reserved therebetween; the clamping assembly is used for clamping the cotton stalk and moving the cotton stalk along the clamping cotton stalk gap; the first power assembly is used for driving the clamping assembly to clamp the cotton stalk and move the cotton stalk along the clamping cotton stalk gap, so that the clamping mechanism can continuously work on the cotton stalk without interruption.

[0022] The stalk pulling mechanism comprises a stalk pulling assembly and a second power assembly; the stalk pulling assembly is rotatable relative to the frame, can embed the cotton stalk in the stalk pulling assembly, and pull out the cotton stalk under the action of the rotation force; the second power assembly is used for driving the stalk pulling assembly to pull out the cotton stalk, and the pulled-out cotton stalk continues to move along the clamping cotton stalk gap to the outside.

[0023] The stalk pulling mechanism of the present application clamps the lower portion (the portion exposed to the soil) of the cotton stalk, and the upper end of the cotton stalk moves along the clamping cotton stalk gap in the clamping mechanism, so that the cotton stalk is tightly embedded in the stalk pulling mechanism and cannot be separated from the stalk pulling mechanism, thereby achieving complete pulling out of the cotton stalk, and the stalk pulling knife plays a role of clamping the lower portion of the cotton stalk and pulling it upward, so that the problem of entanglement of the cotton stalk does not exist, and the pulling-out rate and the conveying efficiency of the cotton stalk are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0025] Figure 1 A schematic view of a clamping type cotton stalk pulling device structure provided by the embodiment of the present application;

[0026] Figure 2 A structure schematic view of a stalk pulling assembly of a stalk pulling mechanism of a clamping type cotton stalk pulling device provided by the embodiment of the present application;

[0027] Figure 3 A structure schematic view of an upper pressing block, a stalk pulling knife and a lower pressing block assembly of a stalk pulling mechanism of a clamping type cotton stalk pulling device provided by the embodiment of the present application;

[0028] Figure 4 A structure schematic view of a stalk pulling knife of a stalk pulling mechanism of a clamping type cotton stalk pulling device provided by the embodiment of the present application;

[0029] Figure 5A structure schematic diagram of a chain assembly of a pulling mechanism of a clamp type cotton stalk pulling device provided by the embodiment of the present application is assembled to a transmission assembly;

[0030] Figure 6 A chain assembly, transmission assembly, main connecting seat and vice connecting seat assembly structure schematic diagram of a pulling mechanism of a clamp type cotton stalk pulling device provided by the embodiment of the present application is assembled;

[0031] Figure 7 For Figure 6 An enlarged view at A in the middle;

[0032] Figure 8 A structure schematic diagram of a second power assembly of a pulling mechanism of a clamp type cotton stalk pulling device provided by the embodiment of the present application is assembled;

[0033] Figure 9 A structure schematic diagram of a clamping mechanism of a clamp type cotton stalk pulling device provided by the embodiment of the present application is assembled;

[0034] Figure 10 A structure schematic diagram of a clamping assembly of a clamp type cotton stalk pulling device provided by the embodiment of the present application is assembled;

[0035] Icon: 1-frame, 2-clamping mechanism, 21-clamping assembly, 211-clamping wheel assembly, 2111-clamping wheel, 2112-guiding wheel, 212-tensioning wheel, 213-driving wheel, 214-clamping belt, 22-first power assembly, 221-driving motor, 222-bevel gear assembly, 223-driving shaft assembly, 2231-first driving shaft, 2232-second driving shaft, 2233-third driving shaft, 23-lifting assembly, 231-first lifting frame, 232-adjusting plate, 233-connecting plate, 234-second lifting frame, 3-pulling mechanism, 31-pulling assembly, 311-transmission assembly, 3111-driving shaft, 3112-driven shaft, 3113-driving sprocket, 3114-driven sprocket, 3115-main connecting seat, 3116-vice connecting seat, 312-chain, 313-upper pressing block, 314-lower pressing block, 315-pulling knife, 3151-pulling knife body, 3152-connecting block, 316-bending plate, 32-second power assembly, 321-first transmission sprocket assembly, 3211-main transmission chain, 3212-first main transmission sprocket, 3213-first vice transmission sprocket, 3214-first transmission shaft, 3215-second transmission shaft, 3216-first fixed seat, 3217-second fixed seat, 322-second transmission sprocket assembly, 3221-vice transmission chain, 3222-second main transmission sprocket, 3223-second vice transmission sprocket, 4-guiding tooth, 5-bracket, 6-land wheel, 7-V-shaped tooth. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0037] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] As shown in Figure 1 The present application provides a clamp type cotton stalk pulling device, which comprises a rack 1, a clamping mechanism 2 and a stalk pulling mechanism 3; the clamping mechanism 2 is connected to the upper part of the rack 1, and the stalk pulling mechanism 3 is connected to the lower part of the rack 1;

[0040] The clamping mechanism 2 comprises a clamping assembly 21 and a first power assembly 22; the clamping assembly 21 is rotatably connected to the rack 1 through the first power assembly 22; the clamping assembly 21 is arranged in pairs and has a gap reserved therebetween for clamping and continuously conveying the cotton stalk; the first power assembly 22 drives the clamping assembly 21 to clamp and convey the cotton stalk, guides the cotton stalk at the front end of the device into the clamping assembly 21 for clamping, and conveys the cotton stalk along the above-mentioned gap to the outside of the device.

[0041] The stalk pulling mechanism 3 comprises a stalk pulling assembly 31 and a second power assembly 32; the stalk pulling assembly 31 and the second power assembly 32 are rotatably connected to the rack 1; the second power assembly 32 drives the stalk pulling assembly 31 to clamp the root of the cotton stalk clamped by the clamping assembly 21 and then pull it upward, so that the cotton stalk is separated from the soil and then moves along the gap between the two clamping assemblies 21 to the outside.

[0042] As an optional implementation, as shown in Figure 2 and Figure 3 , the stalk pulling assembly 31 comprises a transmission assembly 311, a chain 312, an upper pressing block 313, a lower pressing block 314, a stalk pulling knife 315, and a bent plate 316; the transmission assembly 311 is rotationally connected to the frame 1; the chain 312 is sleeved on the transmission assembly 311; the bent plates 316 are uniformly connected along the circumference of the outer side of the chain 312, the bent plates 316 are connected with the lower pressing blocks 314, the upper pressing block 313 is connected with the lower pressing block 314, and the stalk pulling knife 315 is connected between the upper pressing block 313 and the lower pressing block 314, and the stalk pulling knife 315 is clamped and connected between the upper pressing block 313 and the lower pressing block 314 by being sequentially threaded into the upper pressing block 313, the stalk pulling knife 315, and the lower pressing block 314 through bolts.

[0043] As shown in Figure 4 , the stalk pulling knife 315 has a T-shaped structure, and comprises a stalk pulling knife body 3151 and a connecting block 3152. The stalk pulling knife body 3151 has a plate-shaped structure, and a plurality of V-shaped teeth 7 are arranged on the first end of the stalk pulling knife body 3151 along the length direction for clamping cotton stalks. The connecting blocks 3152 are symmetrically connected to the two sides of the second end of the stalk pulling knife body 3151 along the length direction. The connecting block 3152 has a block-shaped structure, the top surface of the connecting block 3152 is in the same plane as the top surface of the stalk pulling knife body 3151, the bottom surface of the connecting block 3152 is in the same plane as the bottom surface of the stalk pulling knife body 3151, and the connecting block 3152 and the stalk pulling knife body 3151 are connected in an integrated structure. The connecting block 3152 has a plurality of bolt holes for connecting with the upper pressing block 313 and the lower pressing block 314 through bolts. Figure 2 and Figure 3 , the stalk pulling knife 315 is inclinedly connected in the chain 312 by connecting the top surface of the connecting block 3152 with the upper pressing block 313 and connecting the bottom surface of the connecting block 3152 with the lower pressing block 314.

[0044] In application, the transmission assembly 311 is driven to rotate by the second power assembly 32, the chain 312 is driven to rotate by the transmission assembly 311, and the stalk pulling knife 315 rotates following the rotation of the chain 312 to embed and clamp the clamped cotton stalks in the V-shaped teeth 7, and since the stalk pulling knife 315 is uniformly distributed along the circumference of the chain 312, the clamped cotton stalks can be completely pulled out, and the pulled-out cotton stalks continue to move to the outside along the clamped cotton stalk gap.

[0045] As an optional implementation, as shown in Figure 1 , Figure 5 and Figure 6As shown, the transmission assembly 311 comprises a driving shaft 3111, a driven shaft 3112, a driving sprocket 3113, a driven sprocket 3114, a main connecting seat 3115 and a secondary connecting seat 3116; the driving shaft 3111 is connected with the driving sprocket 3113, the driven shaft 3112 is connected with the driven sprocket 3114, the driving sprocket 3113 is rotatably connected with the chain 312, the driven sprocket 3114 is rotatably connected with the chain 312; the driving shaft 3111 is located at the rear end of the chain 312 along the running direction, the driven shaft 3112 is located at the front end of the chain 312 along the running direction; the shaft end of the driving shaft 3111 is connected to the rack 1 through the main connecting seat 3115, the shaft end of the driven shaft 3112 is connected to the rack 1 through the secondary connecting seat 3116;

[0046] The diameter of the driving sprocket 3113 is greater than the diameter of the driven sprocket 3114.

[0047] The middle part of the main connecting seat 3115 is provided with a through hole, a bearing is arranged in the through hole of the main connecting seat 3115, the driving shaft 3111 is rotatably connected to the main connecting seat 3115 through the bearing, and the four corners of the main connecting seat 3115 are connected to the lower part of the rack 1 through bolts; the middle part of the secondary connecting seat 3116 is provided with a through hole, a bearing is arranged in the through hole of the secondary connecting seat 3116, the shaft end of the driven shaft 3112 is rotatably connected to the secondary connecting seat 3116 through the bearing, and the four corners of the secondary connecting seat 3116 are connected to the lower part of the rack 1 through bolts.

[0048] In application, after the driving shaft 3111 is driven by the driving device, the driving sprocket 3113 is driven to rotate, the chain 312 is rotated, the driven shaft 3112 is driven to rotate, the driven sprocket 3114 is driven to rotate, the chain 312 is further driven to rotate, the rotation of the chain 312 realizes the rotation of the stalk pulling knives 315 distributed in the circumferential direction of the chain 312, and the stalk pulling knives 315 can clamp the position close to the root of the cotton stalk (above the soil), and the cotton stalk is pulled out by the rotation of the rotating stalk pulling knives 315.

[0049] As an optional embodiment, as shown in Figure 7 As shown, the lower pressing block 314 is wedge-shaped, assuming that the wedge angle of the lower pressing block 314 is α, the chain pitch of the chain 312 is L, and the thickness of the connecting block 3152 is t, then the angle of the wedge angle is

[0050] As an optional embodiment, as shown in Figure 3 As shown, the upper pressing block 313 and the lower pressing block 314 are both wedge-shaped structures, which are used to ensure the installation angle of the stalk pulling knives 315. When the upper pressing block 313 and the lower pressing block 314 are connected, the stalk pulling knives 315 are arranged on the chain 312 in an inclined manner.

[0051] As an optional embodiment, as shown inFigure 8 As shown, the second power assembly 32 comprises a first transmission sprocket assembly 321 and a second transmission sprocket assembly 322; the first transmission sprocket assembly 321 and the second transmission sprocket assembly 322 are rotationally connected to the frame 1; the first transmission sprocket assembly 321 is rotationally connected to the second transmission sprocket assembly 322; the second transmission sprocket assembly 322 is connected to the driving shaft 3111, and rotates the driving shaft 3111 by driving the first transmission sprocket assembly 321 to drive the second transmission sprocket assembly 322.

[0052] The first transmission sprocket assembly 321 comprises a main transmission chain 3211, a first main transmission sprocket 3212, a first auxiliary transmission sprocket 3213, a first transmission shaft 3214, a second transmission shaft 3215, a first fixed seat 3216 and a second fixed seat 3217; the second transmission sprocket assembly 322 comprises an auxiliary transmission chain 3221, a second main transmission sprocket 3222 and a second auxiliary transmission sprocket 3223.

[0053] The first fixed seat 3216 and the second fixed seat 3217 are both connected to the frame 1; one end of the first transmission shaft 3214 is rotationally connected to the first fixed seat 3216 through a bearing, and the other end of the first transmission shaft 3214 is connected with the first main transmission sprocket 3212; one end of the second transmission shaft 3214 is connected with the first auxiliary transmission sprocket 3213; one end of the second transmission shaft 3215 close to the first auxiliary transmission sprocket 3213 is rotationally connected to the second fixed seat 3217 through a bearing; the other end of the second transmission shaft 3215 is connected with the second main transmission sprocket 3222, and the second auxiliary transmission sprocket 3223 is connected to the driving shaft 3111 through a key;

[0054] The first main transmission sprocket 3212 and the first auxiliary transmission sprocket 3213 are connected through the main transmission chain 3211; the second main transmission sprocket 3222 and the second auxiliary transmission sprocket 3223 are rotationally connected through the auxiliary transmission chain 3221.

[0055] In application, the first transmission shaft 3214 is driven to rotate by the driving device, the first main transmission sprocket 3212 of the first transmission shaft 3214 rotates with the first transmission shaft 3214, the main transmission chain 3211 rotates driven by the first transmission sprocket 3212, the first auxiliary transmission sprocket 3213 rotates driven by the main transmission chain 3211, the second transmission shaft 3215 rotates driven by the first auxiliary transmission sprocket 3213, the second main transmission sprocket 3222, the second auxiliary transmission sprocket 3223 and the driving shaft 3111 rotate driven by the second transmission shaft 3215, which serves as the driving force to realize the rotation of the chain 312.

[0056] As an optional embodiment, as shown in FIG. 4, the chain 312 is connected to the driving shaft 3111 through a sprocket 3112. Figure 9As shown, the front end of the clamping assembly 21 along the running direction exceeds the front end of the chain 312 along the running direction, so as to clamp the cotton stalk into the V-shaped tooth 7; the height of the front end of the clamping assembly 21 is lower than the height of the rear end of the clamping assembly 21, so as to reduce the height of the stalk pulling; the two clamping assemblies 21 are symmetrically distributed and parallelly distributed or distributed at a preset angle; when the two clamping assemblies 21 have a preset angle, the angle between the front ends of the two clamping assemblies 21 is greater than the angle between the rear ends of the two clamping assemblies 21.

[0057] As an optional embodiment, as shown in Figure 10 As shown, the clamping assembly 21 comprises a clamping wheel assembly 211, a tensioning wheel 212, a driving wheel 213 and a clamping belt 214; the clamping wheel assembly 211 comprises a clamping wheel 2111 and a flow guide wheel 2112, the flow guide wheel 2112 is located below the clamping wheel 2111 and connected with the clamping wheel 2111 in an integrated structure, the clamping wheel 2111 and the flow guide wheel 2112 are rotationally connected to the front end of the machine frame 1 along the running direction; the driving wheel 213 is rotationally connected to the rear end of the machine frame 1 along the running direction; the clamping wheel assembly 211 and the driving wheel 213 are connected through the clamping belt 214; a plurality of tensioning wheels 212 are evenly distributed between the clamping wheel assembly 211 and the driving wheel 213, so as to tension the clamping belt 214.

[0058] The clamping points between the two clamping belts 214 exceed the front end of the chain 312 by at least 10 cm or more. The purpose of using the clamping belt 214 is: first, to assist the smooth embedding of the stalk pulling knife 315 into the cotton stalk; second, to prevent the cotton stalk from being easily separated during the pulling of the stalk, so that the broken cotton stalks are prevented.

[0059] In application, the driving wheel 213 rotates to drive the clamping belt 214 to rotate, and drive the clamping wheel 2111 to rotate. The clamping wheel 2111 is located at the front end of the machine frame, and the clamping wheel 2111 is located at the front end compared with the position of the stalk pulling mechanism 3. First, the clamping wheel 2111 clamps the cotton stalk, and the flow guide wheel 2112 guides the cotton stalk into the clamping cotton stalk gap under the rotating action of the clamping wheel 2111.

[0060] As an optional embodiment, as shown in Figure 1 and Figure 10 A plurality of flow guide teeth 4 are evenly connected along the outer circumferential direction of the clamping wheel 2111, so as to guide the cotton stalk into the clamping cotton stalk gap.

[0061] In application, the plurality of flow guide teeth 4 on the clamping wheel 2111 rotate with the clamping wheel 2111, and a part of the cotton stalk is diverted from the cotton field. Under the rotating action of the clamping wheel 2111, the part of the cotton stalk is rolled into the clamping cotton stalk gap.

[0062] As an optional embodiment, as shown in Figure 9As shown, the first power assembly 22 comprises a driving motor 221, a bevel gear assembly 222 and a driving shaft assembly 223; the driving motor 221 is connected to the frame 1; the driving shaft assembly 223 is driven to rotate by the driving motor 221, and the driving shaft assembly 223 transmits power to the driving wheels 213 through the bevel gear assembly 222.

[0063] The driving shaft assembly 223 comprises a first driving shaft 2231, a second driving shaft 2232 and a third driving shaft 2233. The bevel gear assembly 222 adopts two groups, each group of the bevel gear assembly 222 comprises a first bevel gear 2221 and a second bevel gear 2222 engaged with each other, the first bevel gears 2221 are horizontally distributed, and the second bevel gears 2222 are vertically distributed; the two groups of the bevel gear assembly 222 are distributed in parallel along the running direction of the frame 1; the two groups of the first bevel gears 2221 correspond to the upper sides of the corresponding driving wheels 213 respectively, so as to transmit power to the corresponding driving wheels 213 through the driving shaft assembly 223. Among them, the second bevel gears 2222 in the two groups of the bevel gear assembly 222 are connected with the first driving shaft 2231 respectively; the end of the first driving shaft 2231 close to the driving motor is connected with a first sprocket, and the output shaft of the driving motor 221 is connected with a second sprocket; the first sprocket and the second sprocket are connected in rotation through a chain, so as to drive the output shaft of the driving motor 221 to rotate the first driving shaft 2231.

[0064] The second driving shaft 2232 and the third driving shaft 2233 are respectively used for driving the clamping mechanisms 2 distributed symmetrically on both sides of the frame 1. Among them, one end of the second driving shaft 2232 is connected with one of the first bevel gears 2221, and the other end of the second driving shaft 2232 is connected with the driving wheel 213 on one side of the frame 1; one end of the third driving shaft 2233 is connected with the other first bevel gear 2221, and the other end is connected with the driving wheel 213 on the other side of the frame 1.

[0065] As an optional embodiment, as shown in Figure 9 As shown, the clamping mechanism 2 further comprises a lifting assembly 23; the lifting assembly 23 is used for movably connecting the upper part of the frame 1 and the lower part of the frame 1, and adjusting the height between the upper part of the frame 1 and the lower part of the frame 1 through the lifting assembly 23;

[0066] The lifting assembly 23 comprises a first lifting frame 231, an adjusting plate 232, a connecting plate 233 and a second lifting frame 234; the first lifting frame 231 is connected to the front end of the frame 1, and the second lifting frame 234 is connected to the rear end of the frame 1; the adjusting plate 232 is connected to the upper part of the frame 1, a plurality of bolt holes are arranged on the adjusting plate 232, and the first lifting frame 231 is connected with the adjusting plate 232 through bolts passing through the bolt holes; the connecting plate 233 is connected to the upper part of the frame 1, a plurality of threaded holes are formed on the second lifting frame 234, and the second lifting frame 234 is connected with the connecting plate 233 through bolts passing through the threaded holes.

[0067] As an optional embodiment, a support 5 is connected to the front end of the machine frame 1 in the running direction of the machine frame 1, and the support 5 is connected to the upper portion of the machine frame 1 in an inverted U shape, so that the hand can hold the support 5 to assist the machine frame 1 to run in a straight line.

[0068] As an optional embodiment, as shown in Figure 1 The bottom of the machine frame 1 is rotationally connected with a ground wheel 6, and the ground wheel 6 is located at the front end of the machine frame 1 in the running direction of the machine frame 1, and is used to drive the machine frame 1 to run on the ground.

[0069] The working principle of the clamp type cotton stalk pulling device provided by the embodiment will be described below.

[0070] When the device is started, the bevel gear assembly 222 in the clamping mechanism 2 drives the driving shaft assembly 223 to rotate, and the driving shaft assembly 223 drives the driving wheel 213 to rotate, so as to realize the rotation of the clamping belt 214, and further drive the clamping wheel assembly 211 to rotate, and the rotation of the flow guide wheel 2112 is realized by the rotation of the clamping wheel assembly 211, so as to clamp the cotton stalk at the front end of the machine frame, and move the cotton stalk along the gap between the two clamping assemblies 21; at the same time, the second power assembly 32 in the stalk pulling mechanism 3 drives the stalk pulling assembly 31 to rotate, and the chain 312 in the stalk pulling assembly 31 is driven to rotate by the second power assembly 32, and the V-shaped teeth 7 on the stalk pulling knives 315 rotate, and the V-shaped teeth 7 on the stalk pulling knives 315 embed the position close to the root of the cotton stalk clamped by the clamping assembly 21 in the V-shaped teeth 7 under the action of the rotating force, so as to clamp the cotton stalk in the V-shaped teeth 7. By clamping the lower end of the cotton stalk in the V-shaped teeth 7, the upper end of the cotton stalk moves in the gap between the clamping assemblies 21, so that the cotton stalk can be tightly embedded in the stalk pulling assembly 31, and the cotton stalk is prevented from falling off from the stalk pulling assembly 31, so as to realize the complete pulling of the cotton stalk, and the pulled cotton stalk continues to move to the outside through the gap between the clamping assemblies 21, and for some cotton stalks with thin diameters, the cotton stalks will not be wound on the stalk pulling assembly 31, so as to ensure the smooth and continuous operation of the pulling and conveying, and improve the pulling efficiency.

[0071] In summary, the clamp type cotton stalk pulling device provided by the embodiment has at least the following advantages compared with the prior art:

[0072] In the scheme, the structure of the stalk pulling mechanism 3 is innovated, the stalk pulling knife 315 follows the rotation of the chain 312, and is used in combination with the clamping assembly 21 to embed and clamp the cotton stalk clamped by the clamping assembly 221 in the V-shaped tooth 7. Since the stalk pulling knife 315 is uniformly distributed along the circumference of the chain 312, the clamped cotton stalk can be pulled out completely, and the pulled-out cotton stalk can continuously and uninterruptedly move to the outside along the clamped cotton stalk gap, greatly improving the stalk pulling efficiency, fundamentally solving the problem that the fine cotton stalk is difficult to pull out and easily entangled in the planer of the prior art, affecting the stalk pulling effect. The stalk pulling device of the scheme does not need to turn over during work, improves the stalk pulling efficiency, and reduces energy consumption.

[0073] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A tongs type cotton stalk pulling device, characterized in that, The cotton stalk pulling machine comprises a frame, a clamping mechanism and a stalk pulling mechanism; the clamping mechanism is connected to the upper part of the frame, and the stalk pulling mechanism is connected to the lower part of the frame; The clamping mechanism comprises a clamping assembly and a first power assembly; the clamping assembly is rotatably connected to the frame through the first power assembly; the clamping assembly is arranged in pairs and has a gap for clamping cotton stalks; the first power assembly drives the clamping assembly to clamp cotton stalks and move the cotton stalks along the gap; The stalk pulling mechanism comprises a stalk pulling assembly and a second power assembly; the stalk pulling assembly and the second power assembly are rotatably connected to the frame; the stalk pulling assembly comprises a chain and a stalk pulling knife; the stalk pulling knives are uniformly connected along the circumference of the chain; the stalk pulling knives are provided with a plurality of V-shaped teeth; the chain is driven to rotate by the second power assembly so as to embed the stalk pulling knives into the root part of the cotton stalks and pull the cotton stalks upward; the pulled cotton stalks are transported to the rear by the clamping assembly; The clamping assembly comprises a clamping wheel assembly, a tensioning wheel, a driving wheel and a clamping belt; the clamping wheel assembly comprises a clamping wheel and a guide wheel; the guide wheel is located below the clamping wheel and is connected to the clamping wheel in an integrated structure; the clamping wheel and the guide wheel are rotatably connected to the front end of the frame in the running direction; the driving wheel is rotatably connected to the rear end of the frame in the running direction; the clamping wheel assembly and the driving wheel are connected by the clamping belt; a plurality of tensioning wheels are uniformly arranged between the clamping wheel assembly and the driving wheel to tension the clamping belt.

2. A gripping type cotton stalk pulling device according to claim 1, characterized in that, The stalk pulling assembly further comprises a transmission assembly, an upper pressing block and a lower pressing block; the transmission assembly is rotatably connected to the frame; the chain is symmetrically rotatably connected to the two ends of the transmission assembly; a bent plate is uniformly connected along the circumference of the outer side of the chain; the bent plate is connected to the lower pressing block; the upper pressing block and the lower pressing block are connected to the stalk pulling knife.

3. A gripping type cotton stalk pulling device according to claim 2, characterized in that, The stalk pulling knife has a T-shaped structure; the stalk pulling knife comprises a stalk pulling knife body and a connecting block; the stalk pulling knife body has a plate-shaped structure; the first end of the stalk pulling knife body has a plurality of V-shaped teeth along the length direction for clamping cotton stalks; the second end of the stalk pulling knife body is symmetrically connected to the connecting block on both sides along the length direction; the connecting block has a plurality of bolt holes for passing bolts to connect the connecting block to the upper pressing block and the lower pressing block respectively.

4. A gripping type cotton stalk pulling device according to claim 2, wherein The transmission assembly comprises a driving shaft, a driven shaft, a driving sprocket, a driven sprocket, a main connecting seat and a secondary connecting seat; the driving shaft is connected to the driving sprocket; the driven shaft is connected to the driven sprocket; the driving sprocket is rotatably connected to the chain; the driven sprocket is rotatably connected to the chain; the driving shaft is located at the rear end of the chain in the running direction; the driven shaft is located at the front end of the chain in the running direction; the shaft ends of the driving shaft are connected to the frame through the main connecting seat respectively; the shaft ends of the driven shaft are connected to the frame through the secondary connecting seat respectively; The diameter of the driving sprocket is greater than the diameter of the driven sprocket.

5. A gripping type cotton stalk pulling device according to claim 4, characterized in that, The second power assembly comprises a first transmission sprocket assembly and a second transmission sprocket assembly; the first transmission sprocket assembly and the second transmission sprocket assembly are rotationally connected to the frame; the first transmission sprocket assembly is rotationally connected to the second transmission sprocket assembly; the second transmission sprocket assembly is connected to the driving shaft, and the first transmission sprocket assembly drives the second transmission sprocket assembly to rotate, so as to drive the driving shaft to rotate.

6. A gripping type cotton stalk pulling device according to claim 1, wherein The front end of the clamping assembly exceeds the front end of the chain, so that the clamping assembly clamps the cotton stalks into the V-shaped teeth; the height of the front end of the clamping assembly is lower than the height of the rear end of the clamping assembly, so as to reduce the height of the pulled stalks; the two clamping assemblies symmetrically distributed are parallelly distributed or distributed at a preset angle; when the two clamping assemblies have a preset angle, the angle between the front ends of the two clamping assemblies is greater than the angle between the rear ends of the two clamping assemblies.

7. A gripping type cotton stalk pulling device according to claim 1, wherein The first power assembly comprises a driving motor, a bevel gear assembly and a driving shaft assembly; the driving motor is connected to the frame; the driving motor drives the driving shaft assembly to rotate, and the driving shaft assembly transmits power to the driving wheel through the bevel gear assembly.

8. A gripping type cotton stalk pulling device according to claim 1, wherein The clamping mechanism further comprises a lifting assembly; the lifting assembly is used to movably connect the upper part of the frame and the lower part of the frame, and to adjust the height between the upper part of the frame and the lower part of the frame by adjusting the lifting assembly. The lifting assembly comprises a first lifting frame, an adjusting plate, a connecting plate and a second lifting frame; the first lifting frame is connected to the front end of the frame, and the second lifting frame is connected to the rear end of the frame; the adjusting plate is connected to the upper part of the frame, and a plurality of bolt holes are arranged on the adjusting plate; the first lifting frame is connected to the adjusting plate by means of bolts passing through the bolt holes; the connecting plate is connected to the upper part of the frame, and a plurality of threaded holes are formed in the second lifting frame; the second lifting frame is connected to the connecting plate by means of bolts passing through the threaded holes.

9. A gripping type cotton stalk pulling device according to claim 1, wherein The bottom of the frame is rotationally connected with a ground wheel, and the ground wheel is located at the front end of the frame in the running direction, and is used to drive the frame to run on the ground.

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