CN112840835A - Header of agricultural harvester - Google Patents

Abstract

The invention discloses a header of an agricultural harvester, which comprises a header assembly, an auger assembly and a reel assembly, wherein the length of the header assembly, the auger assembly and the reel assembly is adjustable, the header assembly comprises a header fixed frame, two header movable frames, a shielding frame arranged between the header fixed frame and the header movable frames, a rotating block rotatably arranged on the shielding frame, a roller rotatably arranged on the rotating block and a first adjusting device which is connected with the header movable frames and the header fixed frame and is used for adjusting the distance between the two header movable frames. The agricultural harvester header can adopt larger header length, the limitation of transportation road conditions to the header when the header is too long is ignored, the transportation flexibility of the harvester is improved, the storage space of the harvester is reduced, and the header can be contracted and can be continuously used compared with a folding header, so that the problem that continuous harvesting can be flexibly shortened when the farm area is irregular is solved, and the operation adaptability is improved.

Description

Header of agricultural harvester

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a header of an agricultural harvester.

Background

The cutting width of the existing header of the combine harvester is mostly fixed and unchanged, the header with the structure is only suitable for small and medium-sized combine harvesters and is not suitable for large-sized combine harvesters, because if the cutting width of the header is widened, road transportation and transition walking are inconvenient, and if the cutting width of the header is narrowed, the feeding amount of the harvester is insufficient. A few telescopic harvesters can not work continuously after being contracted, and can not be well suitable for harvesting on farms of different shapes. And none of them can harvest the crop that has fallen down.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a header of an agricultural harvester and aims to improve the operation adaptability.

In order to achieve the purpose, the invention adopts the technical scheme that: agricultural harvester header, including header assembly, screw feeder assembly and reel assembly, the length adjustable of header assembly, screw feeder assembly and reel assembly, the header assembly includes header mount, two header adjustable shelves, set up the frame that hides between header mount and header adjustable shelf, rotatable setting in the turning block that hides on the frame, rotatable setting in the gyro wheel on the turning block and be connected and be used for adjusting the first adjusting device of the distance between two header adjustable shelves with header adjustable shelf and header mount, the header mount has the first guide way and the second guide way that let the gyro wheel embedding.

First adjusting device include with the first screw rod that the header mount is connected, be threaded connection's first swivel nut with first screw rod, the first driven gear who is connected with first swivel nut, with first driven gear engaged with first driving gear and with the first operating handle of first driving gear connection, first driving gear and first driven gear be rotatable set up in on the header adjustable shelf.

First guide way sets up for the slope, the second guide way sets up for the level, and first guide way extends towards the oblique top of second guide way, and first guide way is for following the face of header mount is faced the terminal surface that shelters from the frame begins to extend towards the inside of header mount, and the width size of first guide way and second guide way is the same.

The screw feeder assembly includes middle screw feeder, two flexible screw feeders be connected with middle screw feeder and be used for making middle screw feeder keep fixed first locking device with flexible screw feeder, and middle screw feeder is located between two flexible screw feeders and flexible screw feeder is rotatable for middle screw feeder, flexible screw feeder with the header adjustable shelf is connected.

The middle auger comprises a first auger outer shaft sleeve, a first auger inner shaft body arranged in the first auger outer shaft sleeve and first helical blades arranged on the first auger outer shaft sleeve, the telescopic auger comprises a second auger outer shaft sleeve sleeved on the first auger outer shaft sleeve, a second auger inner shaft body arranged in the second auger outer shaft sleeve and second helical blades arranged on the second auger outer shaft sleeve, the number of the first helical blades is two, a containing groove for embedding the second helical blades is formed inside each first helical blade, each first locking device comprises a first locking piece and a first locking spring for applying elastic action to the first locking piece, the first locking spring is positioned in an inner cavity body in the second auger inner shaft body, the first auger inner shaft body is sleeved on the second auger inner shaft body, the first auger inner shaft body is provided with a first locking hole for the first locking piece to pass through, the first locking hole sets up a plurality ofly, and the axis body has the second locking hole that lets first locking piece pass in the second screw feeder, sets up the third guide way of guide first locking piece on the interior disc of axis body in the first screw feeder, and the third guide way is the helicla flute that extends along axial spiral in the interior disc of axis body in the first screw feeder.

The inside of the outer axle sleeve of second screw feeder sets up first reset spring, and first reset spring is compression spring, the outer axle sleeve of first screw feeder is located between two first reset springs.

The reel assembly comprises a reel main shaft, reel elastic teeth, a reel spoke disc connected with the reel main shaft, a reel rod connected with the reel spoke disc, reel elastic teeth arranged on the reel rod and a plurality of positioning springs which are arranged in an inner cavity of the reel rod and used for applying elastic acting force to the reel elastic teeth, the lengths of the reel main shaft and the reel rod are adjustable, the reel elastic teeth are arranged in plurality, and each reel elastic tooth is positioned between two adjacent positioning springs.

The reel main shaft comprises an intermediate shaft, two telescopic shafts connected with the intermediate shaft and a second locking device used for keeping the intermediate shaft and the telescopic shafts fixed, the intermediate shaft is positioned between the two telescopic shafts, the telescopic shafts can rotate relative to the intermediate auger, and the telescopic shafts are connected with the reel disc.

The middle shaft comprises a first reel outer shaft sleeve and a first reel inner shaft body arranged in the first reel outer shaft sleeve, the telescopic shaft comprises a second reel outer shaft sleeve sleeved on the first reel outer shaft sleeve and a second reel inner shaft body arranged in the second reel outer shaft sleeve, the second locking device comprises a second locking piece and a second locking spring for exerting an elastic action on the second locking piece, the second locking spring is positioned in an inner cavity body in the second reel inner shaft body, the first reel inner shaft body is sleeved on the second reel inner shaft body, the first reel inner shaft body is provided with a third locking hole for the second locking piece to pass through, the third locking hole is provided with a plurality of holes, the second reel inner shaft body is provided with a fourth locking hole for the second locking piece to pass through, and a fourth guide groove for guiding the second locking piece is arranged on the inner circumferential surface of the first reel inner shaft body, the fourth guide groove is a long groove which extends along the axial direction on the inner circle surface of the shaft body in the first reel; and a second return spring is arranged in the second reel outer shaft sleeve, the second return spring is a compression spring, and the first reel outer shaft sleeve is positioned between the two second return springs.

The reel rod comprises a first rod body and two second rod bodies sleeved on the first rod body, the second rod bodies are connected with the reel spoke plate, the first rod body is provided with a first avoiding hole for the reel elastic tooth to pass through, the second rod body is provided with a second avoiding hole for the reel elastic tooth to pass through, and the positioning springs are arranged in the inner cavities of the first rod body and the second rod body.

The agricultural harvester header can adopt larger header length, the limitation of transportation road conditions to the header when the header is too long is ignored, the transportation flexibility of the harvester is improved, the storage space of the harvester is reduced, and the header can be contracted and can be continuously used compared with a folding header, so that the problem that continuous harvesting can be flexibly shortened when the farm area is irregular is solved, and the operation adaptability is improved; the lodging resistant device can better shovel the lodged crops to lead the harvester to better harvest, and can adjust the height to be suitable for the crops with different heights.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic structural view of a header of an agricultural harvester of the present invention;

fig. 2 is a front view of the header assembly;

fig. 3 is a side view of the header assembly;

fig. 4 is an exploded schematic view of the header assembly;

fig. 5 is a partial schematic view of a header assembly;

fig. 6 is a schematic structural view of a shield frame;

fig. 7 is a side view of the shield frame;

fig. 8 is a front view of the shield frame;

FIG. 9 is a schematic view of the connection of the turning block to the roller;

FIG. 10 is a partial schematic view of a first adjustment mechanism;

FIG. 11 is a schematic structural view of a first insert;

FIG. 12 is a schematic structural view of an auger assembly;

FIG. 13 is a schematic view of the mating of the helical blades;

FIG. 14 is a schematic view of the internal structure of the intermediate screw;

FIG. 15 is a schematic view of the internal structure of the screw;

fig. 16 is a schematic structural view of a reel assembly;

fig. 17 is a schematic cross-sectional view of a reel assembly;

fig. 18 is a schematic structural view of a reel lever;

FIG. 19 is a schematic structural view of the lodging resistant device;

FIG. 20 is a schematic view of the construction of the elevating mechanism;

labeled as: 1. a header assembly; 101. a header fixing frame; 102. a header movable frame; 103. rotating the block; 104. a roller body; 105. a first guide groove; 106. a second guide groove; 107. a first screw; 108. a first threaded sleeve; 109. a first driven gear; 110. a first drive gear; 111. a first operating handle; 112. a first board insert; 113. a second board plug; 114. a shielding frame; 115. a first groove; 116. a second groove; 117. a first spring; 118. a second spring; 119. a first slot; 120. holding the groove by hand; 121. a second slot; 2. an auger assembly; 201. a first auger outer sleeve; 202. a first auger inner shaft body; 203. a first helical blade; 204. a second auger outer shaft sleeve; 205. a second auger inner shaft body; 206. a second helical blade; 207. a first locking member; 208. a first locking spring; 209. a first locking hole; 210. a second locking hole; 211. a third guide groove; 212. a first return spring; 3. a reel assembly; 301. a first reel outer shaft sleeve; 302. a first reel inner shaft body; 303. a second reel outer shaft sleeve; 304. an inner shaft body of the second reel; 305. a second lock; 306. a second lock spring; 307. a third locking hole; 308. a fourth locking hole; 309. a positioning spring; 310. reel spring teeth; 311. a first rod body; 312. a second rod body; 313. reel spoke plates; 4. a lodging resistant device; 401. a lodging resistant movable frame; 402. a fixed shaft; 403. a movable shaft; 404. a third return spring; 405. a righting rod; 406. a centralizing plate; 407. a second screw; 408. a second thread insert; 409. a second driven gear; 410. a second driving gear; 411. a second operating handle; 412. a supporting seat; 413. a first lifting arm; 414. mounting a plate; 415. a third screw; 416. a slider; 417. a third operating handle; 418. a caster wheel; 419. a second lifting arm; 420. a third lifting arm; 421. a fourth lifting arm.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.

As shown in fig. 1, the invention provides an agricultural harvester header, which comprises a header assembly 1, an auger assembly 2 and a reel assembly 3, wherein the lengths of the header assembly 1, the auger assembly 2 and the reel assembly 3 are adjustable, the header assembly 1 comprises a header fixing frame 101, two header movable frames 102, a shielding frame 114 arranged between the header fixing frame 101 and the header movable frames 102, a rotating block 103 rotatably arranged on the shielding frame 114, rollers rotatably arranged on the rotating block 103, and a first adjusting device connected with the header movable frames 102 and the header fixing frame 101 and used for adjusting the distance between the two header movable frames 102, and the header fixing frame 101 is provided with a first guide groove 105 and a second guide groove 106 for embedding the rollers.

Specifically, as shown in fig. 1, the auger assembly 2 is disposed inside the header assembly 1, the header fixing frame 101 is located between two header movable frames 102, the header fixing frame 101 and the header movable frames 102 are located on a same straight line parallel to the first direction, the header fixing frame 101 is fixedly connected to a frame of the harvester, and two first adjusting devices are disposed, and are respectively connected to one header movable frame 102 and one header fixing frame 101. Through operation of the first adjusting device, the header movable frames 102 can be controlled to move linearly, adjustment of the distance between the two header movable frames 102 is achieved, adjustment of the length of the header assembly 1 can be achieved, and the moving direction of the header movable frames 102 is parallel to the first direction. The shielding frames 114 are arranged in two, each shielding frame 114 is respectively positioned between one header movable frame 102 and the header fixed frame 101, the position of each shielding frame 114 is adjustable, the shielding frames 114 can move a certain distance in the vertical direction relative to the header fixed frame 101 and the header movable frame 102, the shielding frames 114 can move along the length direction of the header fixed frame 101 relative to the header fixed frame 101, and the length direction of the header fixed frame 101 is parallel to the first direction.

As shown in fig. 1 to 5, the first adjusting device includes a first screw 107 connected to the header fixing frame 101, a first threaded sleeve 108 in threaded connection with the first screw 107, a first driven gear 109 connected to the first threaded sleeve 108, a first driving gear 110 engaged with the first driven gear 109, and a first operating handle 111 connected to the first driving gear 110, wherein the first driving gear 110 and the first driven gear 109 are rotatably disposed on the header movable frame 102. The axis of first screw rod 107 parallels with first direction, and the excircle face of first screw rod 107 sets up the external screw thread, the ascending one end of length direction of first screw rod 107 and header mount 101 fixed connection, and the other end of first screw rod 107 inserts in the hole of first swivel nut 108, and first swivel nut 108 is inside hollow cylinder, and the interior disc of first swivel nut 108 sets up the internal thread, and first swivel nut 108 constitutes helical drive with first screw rod 107, and first swivel nut 108 is rotatable setting up on header adjustable shelf 102. The first driving gear 110 and the first driven gear 109 are cylindrical gears, the first driven gear 109 is coaxially and fixedly connected with one end of the first threaded sleeve 108, the first driving gear 110 is rotatably arranged inside the header movable frame 102, the first operating handle 111 is fixedly connected with the first driving gear 110 at the center of the first driving gear 110, the first operating handle 111 is used for being held by an operator, the operator controls the first operating handle 111 to rotate, the first operating handle 111 drives the first driving gear 110 to rotate, the first driving gear 110 drives the first driven gear 109 to rotate, the first driven gear 109 drives the first threaded sleeve 108 to rotate, and then an acting force for controlling the header movable frame 102 to linearly move relative to the header fixed frame 101 is generated, so that the distance between the two header movable frames 102 is adjusted. The number of the first screws 107 of the first adjusting device is two, the two first screws 107 are sequentially arranged along the vertical direction, correspondingly, the number of the first thread sleeves 108 is also two, the number of the first driven gears 109 is two, and the first driving gear 110 is located between the two first driven gears 109.

As shown in fig. 5 to 9, the first guide groove 105 is disposed obliquely, the second guide groove 106 is disposed horizontally, the first guide groove 105 extends obliquely upward from the second guide groove 106, the first guide groove 105 extends from the end surface of the header holder 101 facing the shadow frame 114 toward the inside of the header holder 101, and the first guide groove 105 and the second guide groove 106 have the same width. The length direction of the second guide groove 106 is parallel to the first direction, an included angle is formed between the length direction of the first guide groove 105 and the first direction, the included angle is an acute angle, and the first guide groove 105 is arranged at each of the two ends of the header fixing frame 101 in the length direction. The rotating block 103 is rotatably connected with one end of the shielding frame 114, and the rotating center line of the rotating block 103 is a vertical line. The roller comprises a roller mounting block and a roller body 104 which is rotatably arranged on the roller mounting block, the roller mounting block is rotatably connected with the rotating block 103, the rotating center line of the roller mounting block when rotating relative to the rotating block 103 is parallel to the rotating center line of the rotating block 103 when rotating relative to the shielding frame 114, the roller body 104 is a cylinder, the roller body 104 is rotatably connected with the roller mounting block, and the axis of the roller body 104 is perpendicular to the rotating center line of the roller mounting block. After the roller body 104 is embedded into the first guide groove 105, two opposite inner wall surfaces in the first guide groove 105 on the outer circular surface of the roller body 104 are contacted; after the roller body 104 is inserted into the second guide groove 106, the outer circumferential surface of the roller body 104 contacts with two opposite inner wall surfaces in the second guide groove 106. In the process that the shielding frame 114 moves relative to the header fixing frame 101, the roller body 104 moves along the first guide groove 105 and the second guide groove 106 to guide the shielding frame 114 to move, so that the shielding frame 114 can move downwards and inwards conveniently, and the stable movement of the shielding frame 114 is ensured. As the header assembly 1 decreases in length, the roller body 104 moves from the first guide slot 105 into the second guide slot 106; as the header assembly 1 increases in length, the roller body 104 moves from the second guide slot 106 into the first guide slot 105.

As shown in fig. 5 to 9, two rotating blocks 103 are disposed on the shielding frame 114, the two rotating blocks 103 are sequentially arranged along a vertical direction, a roller is disposed on each rotating block 103, and correspondingly, four first guide grooves 105 and four second guide grooves 106 are disposed on the header fixing frame 101.

As shown in fig. 2 to 8, a first insert plate 112 and a first spring 117 are disposed inside the header holder 101, the first spring 117 applies an elastic force to the first insert plate 112, the first insert plate 112 is movable, a moving direction of the first insert plate 112 is parallel to the first direction, the first spring 117 is a cylindrical coil spring and is a compression spring, and the first spring 117 is sandwiched between the first insert plate 112 and an inner wall surface of the header holder 101. The first slot 119 into which the first inserting plate 112 is inserted is formed in the shielding frame 114, the first slot 119 is a groove formed by recessing from the surface of the shielding frame 114 toward the end surface of the header fixing frame 101 toward the inside of the shielding frame 114, and the first inserting plate 112 is provided with a first handle for an operator to hold, and the first handle extends toward the outside of the header fixing frame 101. When the shielding frame 114 is clamped between the header fixed frame 101 and the header movable frame 102, the header assembly 1 is in a state of the longest length, at this time, the first inserting plate 112 is inserted into the first slot 119, the first inserting plate 112 has a limiting function on the shielding frame 114, and the first spring 117 applies a pushing force to the first inserting plate 112, so that the first inserting plate 112 is kept in a state of being inserted into the first slot 119.

When the length of the header assembly 1 needs to be adjusted, the first plugboard 112 is pulled to move towards a position away from the shielding frame 114, so that the first plugboard 112 is pulled out of the first slot 119, the first spring 117 is compressed, and the constraint of the first plugboard 112 on the shielding frame 114 is released; the vertical surface section and the bottom surface section of the shielding frame 114 are both parallelograms and the two parallelograms are equal, the end surfaces of the header fixing frame 101, which are in contact with the shielding frame 114, are also tangent planes on two sides of the same parallelograms, and the tangent planes form acute angles with the inner surface of the middle part of the header fixing frame 101, namely the working surface; the roller is embedded into the first guide groove 105, the first guide groove 105 guides the shielding frame 114 to move a certain distance obliquely downwards, part of the shielding frame 114 moves to the lower part of the header fixing frame 101, and when the roller moves into the second guide groove 106 and then continues to push the shielding frame 114 to move, the shielding frame 114 moves along the length direction of the header fixing frame 101 until the shielding frame 114 moves to a specified position and is fixed; then, the header movable frame 102 moves towards a position close to the header fixed frame 101 by operating the first adjusting device, so that the distance between the header movable frame 102 and the header fixed frame 101 is reduced, finally, the header movable frame 102 moves to a position in contact with the header fixed frame 101, the end surface of the header movable frame 102 is attached to the end surface of the header fixed frame 101, and at the moment, the header assembly 1 is in a state of the shortest length, so that the length of the header assembly 1 is adjusted.

As shown in fig. 2 to 9, the turning block 103 is a rectangular parallelepiped with two semicylinders at its two sides, a hollow cylinder at its two sides, a part of the semicylinder at one side is cut off at its upper and lower parts to facilitate hinging with the pulley, a hollow cylinder at one side is mounted on the corresponding shaft of the blocking frame 114 to be hinged therewith, the horizontal distance between the centers of the hollow cylinders at the two sides of the turning block 103 is equal to the thickness of the vertical surface of the header fixing frame 101 to facilitate the backward movement of the telescopic header, the vertical plane can be completely behind the vertical plane of the header fixing frame 101, the angle formed by the inclined track part of the roller and the horizontal line is equal to the acute angle of the four sides parallel to the section of the bottom surface, so that the shielding frame 114 can move towards the lower inclined surface, the roller body 104 is arranged at the inclined track part, that is, the normal height from the initial position to the horizontal rail is equal to the thickness of the bottom surface of the header holder 101, so that the shielding frame 114 can be completely below the bottom surface of the header holder 101 after the shielding frame 114 moves downwards. The surface of the blocking frame 114 is provided with a holding groove 120, the holding groove 120 on the blocking frame 114 is grasped, the holding groove 120 is rectangular and hollowed towards the inner sides, so that a hand can conveniently grasp the blocking frame 114 to conveniently push and pull, the blocking frame 114 is pulled into the oblique rear part of the header fixing frame 101, and the blocking frame 114 is completely pushed into the rear part of the header fixing frame 101. The header fixing frame 101 is internally provided with a second inserting plate 113 and a second spring 118, the second spring 118 applies elastic acting force to the second inserting plate 113, the second inserting plate 113 can move, the moving direction of the second inserting plate 113 is parallel to a second direction, the second direction is a horizontal direction and is vertical to the first direction, the second spring 118 is a cylindrical spiral spring and is a compression spring, and the second spring 118 is clamped between the second inserting plate 113 and the inner wall surface of the header fixing frame 101. The surface of the blocking frame 114 is provided with a second slot 121 into which the second inserting plate 113 is inserted, the second slot 121 is a groove formed by recessing from the side surface of the blocking frame 114 perpendicular to the second direction toward the inside of the blocking frame 114, the second inserting plate 113 is provided with a second handle for an operator to hold, and the second handle extends toward the outside of the header fixing frame 101. When the header assembly 1 is in the shortest length state, the shielding frame 114 moves to a position aligned with the second inserting plate 113, the second inserting plate 113 is inserted into the second slot 121, the second inserting plate 113 has a limiting effect on the shielding frame 114, the position of the shielding frame 114 is kept fixed, and the second spring 118 applies a pushing force to the second inserting plate 113, so that the second inserting plate 113 is kept in a state of being inserted into the second slot 121. The header fixing frame 101 is provided with two first flashboards 112 and two second flashboards 113, and the two second flashboards 113 are positioned between the two first flashboards 112.

As shown in fig. 1, 12 to 15, the auger assembly 2 is for conveying harvested grains, the length of the auger assembly 2 is adjusted along with the adjustment of the length of the header assembly 1, the auger assembly 2 includes an intermediate auger, two telescopic augers connected to the intermediate auger, and a first locking device for keeping the intermediate auger and the telescopic augers fixed, the intermediate auger is located between the two telescopic augers, and the telescopic augers are rotatable with respect to the intermediate auger, and the telescopic augers are connected to the header movable frame 102. The middle auger comprises a first auger outer shaft sleeve 201, a first auger inner shaft body 202 arranged in the first auger outer shaft sleeve 201 and first helical blades 203 arranged on the first auger outer shaft sleeve 201, the telescopic auger comprises a second auger outer shaft sleeve 204 sleeved on the first auger outer shaft sleeve 201, a second auger inner shaft body 205 arranged in the second auger outer shaft sleeve 204 and second helical blades 206 arranged on the second auger outer shaft sleeve 204, the number of the first helical blades 203 is two, a containing groove for embedding the second helical blades 206 is arranged inside the first helical blades 203, the first locking device comprises a first locking piece 207 and a first locking spring 208 for applying elastic action to the first locking piece 207, the first locking spring 208 is arranged in an inner cavity body in the second auger inner shaft body 205, the first auger inner shaft body 202 is sleeved on the second auger inner shaft body 205, the first auger inner shaft body 202 is provided with a first locking hole 209 for allowing the first locking piece 207 to pass through, the first locking holes 209 are provided in plural, the second auger inner shaft body 205 has a second locking hole 210 for the first locking member 207 to pass through, a third guide groove 211 for guiding the first locking member 207 is provided on the inner circumferential surface of the first auger inner shaft body 202, and the third guide groove 211 is a spiral groove spirally extending in the axial direction on the inner circumferential surface of the first auger inner shaft body 202. The inside of the outer axle sleeve 204 of second screw feeder sets up first reset spring 212, first reset spring 212 is cylindrical coil spring and is compression spring, the outer axle sleeve 201 of first screw feeder is located between two first reset spring 212, first reset spring 212 presss from both sides between the internal face of the outer axle sleeve 204 of first screw feeder outer axle sleeve 201 and second screw feeder, first reset spring 212 is used for applying the elastic force that makes its orientation keep away from the position department of the outer axle sleeve 204 of second screw feeder and remove to the outer axle sleeve 201 of first screw feeder for the screw feeder resets in the middle of making.

As shown in fig. 1 and 12 to 15, the second auger outer shaft sleeves 204 of the two telescopic augers are rotatably disposed on the two header movable frames 102, respectively, and when the header movable frame 102 moves along the length direction of the header fixed frame 101, the header movable frame 102 can drive the second auger outer shaft sleeves 204 to synchronously perform linear movement. The axes of the first auger outer shaft sleeve 201 and the second auger outer shaft sleeve 204 are parallel to the first direction, and the two ends of the first auger outer shaft sleeve 201 in the axial direction are respectively inserted into the inner cavities of the two second auger outer shaft sleeves 204. The first helical blade 203 is a helical blade extending spirally along the axial direction on the outer circumferential surface of the first auger outer sleeve 201, two first helical blades 203 are provided, the two first helical blades 203 are symmetrically arranged, each first helical blade 203 extends from one axial end of the first auger outer sleeve 201 to a position close to the center of the first auger outer sleeve 201, the second helical blade 206 is a helical blade extending spirally along the axial direction on the outer circumferential surface of the second auger outer sleeve 204, the thickness of the second helical blade 206 is smaller than that of the first helical blade 203, the first helical blade 203 is hollow, the inside of the first helical blade 203 is a containing groove in which the second helical blade 206 is embedded, the receiving groove extends spirally inside the first helical blade 203, and the pitch of the receiving groove is the same as the pitch of the first helical blade 203 and the second helical blade 206. When the second auger outer sleeve 204 rotates around its axis relative to the first auger outer sleeve 201, the second helical blade 206 is screwed into the accommodating groove of the first helical blade 203 or unscrewed from the accommodating groove of the first helical blade 203.

As shown in fig. 12, 14 and 15, the first auger inner shaft 202 is a hollow shaft with an open end, the first auger inner shaft 202 is located in the inner cavity of the first auger outer shaft sleeve 201, the first auger inner shaft 202 and the first auger outer shaft sleeve 201 are coaxially and fixedly connected, the first locking holes 209 are through holes penetrating through the annular side wall of the first auger inner shaft 202 along the wall thickness direction, the number of the first locking devices is two, the number of the first locking holes 209 is four, all the first locking holes 209 are sequentially arranged along the axial direction of the first auger inner shaft 202, the number of the third guide grooves 211 is two, each third guide groove 211 is located between two adjacent first locking holes 209, and the third guide groove 211 is communicated with the first locking holes 209. The axle body 205 is one end opening and inside hollow axle body in the second screw feeder, the axle body 205 is arranged in the interior cavity body of the outer axle sleeve 204 of second screw feeder in the second screw feeder, axle body 205 is coaxial fixed connection with the outer axle sleeve 204 of second screw feeder in the second screw feeder, axle body 205 and insert in the interior cavity body of axle body 202 in the first screw feeder in the second screw feeder, second locking hole 210 is for running through the through-hole that sets up along the wall thickness direction on the ring shape lateral wall of axle body 205 in the second screw feeder, second locking hole 210 sets up one. The first locking device is used for circumferentially limiting the first auger inner shaft body 202 and the second auger inner shaft body 205, so that the first auger inner shaft body 202 and the second auger inner shaft body 205 can synchronously rotate. In the locked state, the first locking hole 209 and the second locking hole 210 are in a coaxial state, the first locking member 207 is simultaneously inserted into the second locking hole 210 and the first locking hole 209, the first locking spring 208 is a cylindrical coil spring and is a compression spring, the first locking spring 208 is sandwiched between the first locking member 207 and the inner circumferential surface of the second auger inner shaft body 205, and the first locking spring 208 applies an elastic force to the first locking member 207 so as to move toward the axis away from the first auger inner shaft body 202. When the header assembly 1 is in the longest length state, the auger assembly 2 is also in the longest length state, at this time, the distance between the two telescopic augers is longest, the first locking member 207 is simultaneously inserted into the second locking hole 210 and the first locking hole 209, and the first locking hole 209 is a locking hole at a position closest to the open end of the first auger inner shaft body 202; when the length of the header assembly 1 is reduced, the header movable frame 102 drives the telescopic screw to synchronously perform linear movement, the second screw inner shaft body 205 starts to move towards the inside of the first screw inner shaft body 202, the first screw inner shaft body 202 presses the first locking member 207, so that the first locking member 207 moves towards the axis close to the second screw inner shaft body 205 along the axial direction, the first locking spring 208 is compressed, the first locking hole 209 moves out of the first locking hole 209 and into the third guide groove 211, as the second screw inner shaft body 205 continues to move, the first locking member 207 and the third guide groove 211 are matched under the guidance of the third guide groove 211, so that the second screw inner shaft body 205 and the first screw inner shaft body 202 can relatively rotate, the first locking member 207 moves towards another first locking hole 209 along the third guide groove 211, and the second helical blade 206 rotates towards the accommodating groove of the first helical blade 203, the length of the total helical blade formed by the first helical blade 203 and the second helical blade 206 is reduced until the header movable frame 102 stops moving after moving to the right position, the first locking piece 207 is aligned with a first locking hole 209 at another position, and the first locking piece 207 is inserted into the first locking hole 209 under the action of the first locking spring 208, so that the circumferential limit of the telescopic auger and the middle auger is realized. In the harvesting action process, the telescopic auger drives the middle auger to synchronously rotate through the first locking piece 207.

As shown in fig. 1, 16 to 18, the length of the reel assembly 3 is adjusted along with the adjustment of the length of the header assembly 1, the reel assembly 3 includes a reel main shaft, reel teeth 310, a reel spider 313 connected to the reel main shaft, a reel stem connected to the reel spider 313, reel teeth 310 disposed on the reel stem, and a plurality of positioning springs 309 disposed in an inner cavity of the reel stem and configured to apply elastic force to the reel teeth 310, the lengths of the reel main shaft and the reel teeth are adjustable, the reel teeth 310 are provided in plurality, and each reel tooth 310 is located between two adjacent positioning springs 309. The reel main shaft comprises an intermediate shaft, two telescopic shafts connected with the intermediate shaft and a second locking device used for keeping the intermediate shaft and the telescopic shafts fixed, the intermediate shaft is positioned between the two telescopic shafts, the telescopic shafts can rotate relative to the intermediate auger, and the telescopic shafts are connected with a reel disc 313. The middle shaft comprises a first reel outer shaft sleeve 301 and a first reel inner shaft body 302 arranged in the first reel outer shaft sleeve 301, the telescopic shaft comprises a second reel outer shaft sleeve 303 sleeved on the first reel outer shaft sleeve 301 and a second reel inner shaft body 304 arranged in the second reel outer shaft sleeve 303, the second locking device comprises a second locking piece 305 and a second locking spring 306 used for exerting elastic action on the second locking piece 305, the second locking spring 306 is positioned in an inner cavity body in the second reel inner shaft body 304, the first reel inner shaft body 302 is sleeved on the second reel inner shaft body 304, the first reel inner shaft body 302 is provided with a third locking hole 307 through which the second locking piece 305 passes, a plurality of third locking holes 307 are arranged, the second reel inner shaft body 304 is provided with a fourth locking hole 308 through which the second locking piece 305 passes, and a fourth guide groove 305 for guiding the second locking piece 305 is arranged on the locking surface of the first reel inner shaft body 302, the fourth guide groove is a long groove which extends along the axial direction on the inner circular surface of the first reel inner shaft body 302; the inside of second reel outer axle sleeve 303 sets up second reset spring, second reset spring is cylindrical coil spring and is compression spring, first reel outer axle sleeve 301 is located between two second reset springs, second reset spring clamp is between the internal face of first reel outer axle sleeve 301 and second reel outer axle sleeve 303, second reset spring is used for exerting the elastic force that makes its position department of keeping away from second reel outer axle sleeve 303 remove towards first reel outer axle sleeve 301, be used for making the jackshaft reset.

As shown in fig. 1 and 16 to 18, two reel disks 313 are provided, the two reel disks 313 are respectively and fixedly connected with the two header movable frames 102, the reel spindle is located between the two reel disks 313, the second reel outer shaft sleeves 303 of the two telescopic shafts are fixedly connected with the two reel disks 313, and when the header movable frame 102 moves along the length direction of the header fixed frame 101, the header movable frame 102 can drive the second reel outer shaft sleeves 303 to synchronously move linearly through the reel disks 313. The axes of the first reel outer shaft sleeve 301 and the second reel outer shaft sleeve 303 are parallel to the first direction, and two ends of the first reel outer shaft sleeve 301 in the axial direction are respectively inserted into the inner cavities of the two second reel outer shaft sleeves 303.

As shown in fig. 16 and 17, the first reel inner shaft body 302 is a hollow shaft body with an open end, the first reel inner shaft body 302 is located in the inner cavity of the first reel outer shaft sleeve 301, the first reel inner shaft body 302 and the first reel outer shaft sleeve 301 are coaxially and fixedly connected, the third locking holes 307 are through holes penetrating through the circular sidewall of the first reel inner shaft body 302 along the wall thickness direction, two second locking devices are provided, four third locking holes 307 are provided, all the third locking holes 307 are sequentially arranged along the axial direction of the first reel inner shaft body 302, two fourth guide grooves are provided, each fourth guide groove is located between two adjacent third locking holes 307, and the fourth guide grooves are communicated with the third locking holes 307. The second reel inner shaft body 304 is a hollow shaft body with an opening at one end, the second reel inner shaft body 304 is positioned in an inner cavity of the second reel outer shaft sleeve 303, the second reel inner shaft body 304 and the second reel outer shaft sleeve 303 are coaxially and fixedly connected, the second reel inner shaft body 304 is inserted into an inner cavity of the first reel inner shaft body 302, the fourth locking hole 308 is a through hole which penetrates through the annular side wall of the second reel inner shaft body 304 along the wall thickness direction, and one fourth locking hole 308 is arranged. The second locking device is used for limiting the first reel inner shaft body 302 and the second reel inner shaft body 304 in the circumferential direction, so that the first reel inner shaft body 302 and the second reel inner shaft body 304 can rotate synchronously. In the locked state, the third locking hole 307 and the fourth locking hole 308 are coaxial, the second lock member 305 is simultaneously inserted into the fourth locking hole 308 and the third locking hole 307, the second locking spring 306 is a cylindrical coil spring and is a compression spring, the second locking spring 306 is sandwiched between the second lock member 305 and the inner circumferential surface of the second reel inner shaft body 304, and the second locking spring 306 exerts an elastic force on the second lock member 305 so as to move toward the axis away from the first reel inner shaft body 302. When the header assembly 1 is in the longest length state, the reel wheel assembly 3 is also in the longest length state, and the distance between the two telescopic shafts is longest, the second locking member 305 is simultaneously inserted into the fourth locking hole 308 and the third locking hole 307, and the third locking hole 307 is the locking hole at the position closest to the opening end of the first reel wheel inner shaft body 302; when the length of the header assembly 1 is reduced, the header movable frame 102 drives the telescopic shaft to synchronously perform linear movement, the second reel inner shaft body 304 starts to move towards the inside of the first reel inner shaft body 302, the first reel inner shaft body 302 presses the second locking member 305, so that the second locking member 305 moves towards the position close to the axis of the second reel inner shaft body 304 along the axial direction, the second locking spring 306 is compressed, the third locking hole 307 moves out of the third locking hole 307 and moves into the fourth guide groove, as the second reel inner shaft body 304 continues to move, the second locking member 305 performs linear movement under the guide of the fourth guide groove, the second locking member 305 moves towards another third locking hole 307 along the fourth guide groove until the header movable frame 102 stops moving after moving to a certain position, and the second locking member 305 is aligned with the third locking hole 307 at another position, under the action of the second locking spring 306, the second locking piece 305 is inserted into the third locking hole 307, so that the circumferential limit of the telescopic shaft and the intermediate shaft is realized. During the harvesting action, the telescopic shaft drives the intermediate shaft to rotate synchronously through the second locking piece 305.

As shown in fig. 16 and 17, the reel rods are provided with a plurality of reel rods, all of which are uniformly distributed around the outside of the reel spindle along the circumferential direction by taking the axis of the reel spindle as a center line, each reel rod comprises a first rod body 311 and two second rod bodies 312 sleeved on the first rod body 311, the second rod bodies 312 are connected with reel spokes 313, the first rod body 311 is provided with a first avoiding hole for allowing the reel teeth 310 to pass through, the second rod bodies 312 are provided with second avoiding holes for allowing the reel teeth 310 to pass through, positioning springs 309 are arranged in the inner cavities of the first rod body 311 and the second rod bodies 312, and the positioning springs 309 are cylindrical coil springs and compression springs. The first rod body 311 is a circular rod body with two open ends and a hollow interior, and the first avoiding hole is a through hole penetrating through the circular side wall of the first rod body 311 and extends along the whole length direction of the first rod body 311. The second body of rod 312 is one end opening, the closed and inside hollow circular body of rod of one end, the hole is dodged for the second through-hole and first dodge and dodge the hole intercommunication for running through the setting on the ring shape lateral wall of the second body of rod 312, first body of rod 311 and second body of rod 312 are coaxial setting, set up the guide block on the interior disc of the second body of rod 312, set up the guide way of letting the guide block embedding on the excircle face of the first body of rod 311, the length direction of guide way parallels with the axis of the first body of rod 311, the axis of the first body of rod 311 parallels with first direction, the guide block cooperates with the guide way, a straight line movement is carried out for guiding the first body of rod 311 for the second body of rod 312. The closed end of the second rod 312 is fixedly connected with the reel disc 313. A plurality of reel elastic teeth 310 are arranged on the first rod body 311, one end of each reel elastic tooth 310 is positioned in the inner cavity of the first rod body 311, the other end of each reel elastic tooth 310 is positioned outside the first rod body 311, a plurality of positioning springs 309 are arranged in the inner cavity of the first rod body 311, and the end parts of the reel elastic teeth 310 are respectively clamped between two adjacent positioning springs 309. A plurality of reel spring teeth 310 are arranged on the second rod body 312, one end of each reel spring tooth 310 is positioned in the inner cavity of the second rod body 312, the other end of each reel spring tooth 310 is positioned outside the second rod body 312, a plurality of positioning springs 309 are arranged in the inner cavity of the second rod body 312, and the end part of each reel spring tooth 310 is respectively clamped between two adjacent positioning springs 309. When the length of the header assembly 1 is reduced, the header movable frame 102 drives the second rod body 312 and the telescopic shaft to synchronously perform linear movement through the reel spoke disc 313, so that the reel assembly 3 is stressed to be compressed inwards, the positioning spring 309 is stressed to be compressed, the positioning spring 309 pushes the reel elastic teeth 310 to move along the length direction of the reel rod, and the distance between the reel elastic teeth 310 is adjusted. The reel with the structure is designed to be of a pure mechanical structure, is simpler and more effective, is more reliable and is not easy to break down, and the reel teeth can be always equidistant, and the function of the reel is not influenced after the reel teeth are extended or contracted.

As shown in fig. 1 and 19, the agricultural harvester header of the present invention further includes an anti-lodging device 4, wherein the anti-lodging device 4 includes two anti-lodging movable frames 401, a second adjusting device connected to the two anti-lodging movable frames 401 and used for adjusting the distance between the two anti-lodging movable frames 401, and an anti-lodging actuating mechanism connected to the two anti-lodging movable frames 401 and located between the two anti-lodging movable frames 401. The anti-lodging actuator comprises a fixed shaft 402 rotatably arranged on the anti-lodging movable frame 401, a movable shaft 403 inserted into the fixed shaft 402, a third return spring 404 arranged between the fixed shaft 402 and the movable shaft 403 and used for exerting elastic force, a righting rod 405 arranged on the fixed shaft 402 and the movable shaft 403, and a righting plate 406 arranged on the righting rod 405. The two fixing shafts 402 are arranged, the two fixing shafts 402 are respectively and fixedly connected with the two lodging-resistant movable frames 401, the axis of each fixing shaft 402 is parallel to a first direction, the fixing shafts 402 are provided with a plurality of righting rods 405, all the righting rods 405 on the fixing shafts 402 are uniformly distributed along the circumferential direction by taking the axis of the fixing shaft 402 as a central line, the righting rods 405 extend out towards the outer side of the fixing shaft 402 along the radial direction of the fixing shaft 402, one ends of the righting rods 405 are fixedly connected with the fixing shafts 402, the righting plates 406 are fixedly connected with the other ends of the righting rods 405, the righting plates 406 are rectangular flat plates, the length directions of the righting plates 406 are perpendicular to the axis of the fixing shaft 402 in space, and the width directions of the righting plates. At least one movable shaft 403 is arranged, the movable shaft 403 is located between two fixed shafts 402, the axis of the movable shaft 403 is parallel to a first direction, a plurality of righting rods 405 are arranged on the movable shaft 403, all the righting rods 405 on the movable shaft 403 are uniformly distributed along the circumferential direction by taking the axis of the movable shaft 403 as a center line, the righting rods 405 extend out towards the outer side of the movable shaft 403 along the radial direction of the movable shaft 403, one end of each righting rod 405 is fixedly connected with the movable shaft 403, the righting plate 406 is fixedly connected with the other end of the righting rod 405, the righting plate 406 is a rectangular flat plate, the length direction of the righting plate 406 is perpendicular to the axis of the movable shaft 403 in space, the width direction of the righting plate 406 is parallel to the first direction, and the righting plate 406 is used for righting the lodging crops. A movable shaft 403 is inserted into an inner cavity of the fixed shaft 402, a third return spring 404 is arranged in the inner cavity of the fixed shaft 402, the third return spring 404 is a cylindrical coil spring and is a compression spring, the third return spring 404 is clamped between the inner wall surface of the fixed shaft 402 and the movable shaft 403, the axis of the third return spring 404 is parallel to the first direction, and when the movable shaft 403 and the fixed shaft 402 move relatively along the axial direction, the third return spring 404 is compressed or extended, so that the adjustment of the distance between two axially adjacent righting rods 405 is realized. When a plurality of movable shafts 403 are provided, the two adjacent movable shafts 403 are arranged in such a manner that the end of one of the movable shafts 403 is inserted into the inner cavity of the other movable shaft 403, a third return spring 404 is provided between the two movable shafts 403, the third return spring 404 applies an elastic force to the two movable shafts 403 in the axial direction, and when the two adjacent movable shafts 403 move relatively in the axial direction, the third return spring 404 is compressed or extended, so that the adjustment of the distance between two axially adjacent centering rods 405 is realized. The anti-lodging movable frame 401 is provided with a driving motor for driving the anti-lodging actuating mechanism to rotate, the driving motor is connected with the fixed shaft 402, after the driving motor operates, the fixed shaft 402 is driven to rotate, the movable shafts 403 and the fixed shaft 402 can only move relatively in the axial direction, two adjacent movable shafts 403 can only move relatively in the axial direction, and during operation, the movable shafts 403 and the fixed shaft 402 rotate synchronously to drive the righting rod 405 and the righting plate 406 to rotate.

As shown in fig. 1 and 19, the second adjusting device includes a second screw 407, a second screw 408 threadedly connected to the second screw 407, a second driven gear 409 connected to the second screw 408, a second driving gear 410 engaged with the second driven gear 409, and a second operating handle 411 connected to the second driving gear 410, the second screw 407 is connected to one of the anti-falling movable frames 401, and the second driving gear 410 and the second driven gear 409 are rotatably disposed on the other anti-falling movable frame 401. The axis of the second screw 407 is parallel to the first direction, an external thread is arranged on the outer circular surface of the second screw 407, one end of the second screw 407 in the length direction is fixedly connected with the anti-lodging movable frame 401, the other end of the second screw 407 is inserted into the inner hole of the second screw 408, the second screw 408 is a hollow cylinder, an internal thread is arranged on the inner circular surface of the second screw 408, the second screw 408 and the second screw 407 form a spiral transmission, and the second screw 408 is rotatably arranged on the other anti-lodging movable frame 401. The second driving gear 410 and the second driven gear 409 are both cylindrical gears, the second driven gear 409 is coaxially and fixedly connected with one end of the second threaded sleeve 408, the second driving gear 410 is rotatably arranged inside the anti-lodging movable frame 401, the second operating handle 411 is fixedly connected with the second driving gear 410 at the center of the second driving gear 410, the second operating handle 411 is used for being held by an operator, the operator controls the second operating handle 411 to rotate, the second operating handle 411 drives the second driving gear 410 to rotate, the second driving gear 410 drives the second driven gear 409 to rotate, the second driven gear 409 drives the second threaded sleeve 408 to rotate, and then acting force for controlling the anti-lodging movable frame 401 to linearly move relative to the other anti-lodging movable frame 401 is generated, and adjustment of the distance between the two anti-lodging movable frames 401 is achieved.

As shown in fig. 1, 19 and 20, the lodging resistant device 4 further includes a lifting mechanism connected to the lodging resistant movable frame 401, the lifting mechanism is used for adjusting the height of the lodging resistant movable frame 401, so that the height of the lodging resistant movable frame 401 can be adjusted according to the lodging situation of the work, the two lifting mechanisms are provided, the lifting mechanism is located below the lodging resistant movable frame 401, and each lifting mechanism is connected to one lodging resistant movable frame 401. The lifting mechanism comprises a supporting seat 412, a caster 418 arranged at the bottom of the supporting seat 412, a third screw 415 rotatably arranged on the supporting seat 412, a third operating handle 417 connected with the third screw 415, a sliding block 416 movably arranged on the supporting seat 412, a scissor arm mechanism arranged on the supporting seat 412 and a nut which is arranged on the sliding block 416 and forms spiral transmission with the third screw 415, the lower end of the scissor arm mechanism is connected with the sliding block 416, and the upper end of the scissor arm mechanism is connected with the anti-lodging movable frame 401. The scissor arm mechanism comprises a first lifting arm 413, a second lifting arm 419, a third lifting arm 420, a fourth lifting arm 421 and a mounting plate 414, wherein the first lifting arm 413 and the second lifting arm 419 are in cross rotating connection to form a lifting arm group positioned below, and the third lifting arm 420 and the fourth lifting arm 421 are in cross rotating connection to form a lifting arm group positioned above. The lower end of the first lifting arm 413 is rotatably connected with the supporting seat 412, the upper end of the first lifting arm 413 is rotatably connected with the lower end of the third lifting arm 420 through a pin shaft, the upper end of the third lifting arm 420 is rotatably connected with an installation plate 414, and the installation plate 414 is fixedly connected with the lodging-resistant movable frame 401. The first lifting arm 413 is rotatably connected to the second lifting arm 419 at a middle position in the longitudinal direction, and the third lifting arm 420 is rotatably connected to the fourth lifting arm 421 at a middle position in the longitudinal direction by a pin. The lower end of the second lifting arm 419 rotates with the sliding block 416, the sliding block 416 is slidably connected with the supporting seat 412, and the moving direction of the sliding block 416 is parallel to the second direction. The upper end of the second lifting arm 419 is rotatably connected with the lower end of the fourth lifting arm 421, the upper end of the fourth lifting arm 421 is rotatably connected with a mounting plate 414, and the mounting plate 414 arranged at the upper ends of the mounting plate 414 and the third lifting arm 420 is fixedly connected with the same lodging-resistant movable frame 401. The axis of the third screw 415 is parallel to the second direction, the third operating handle 417 is used for being held by an operator, the operator controls the third operating handle 417 to rotate, the third operating handle 417 drives the third screw 415 to rotate, the third screw 415 drives the slider 416 to linearly move through a nut, the slider 416 drives the first lifting arm 413 to rotate, the second lifting arm 419, the third lifting arm 420 and the fourth lifting arm 421 synchronously rotate, the rotation center lines of the first lifting arm 413, the second lifting arm 419, the third lifting arm 420 and the fourth lifting arm 421 are parallel to the first direction, so that the lifting control of the anti-lodging movable frame 401 can be realized, and the height adjustment of the anti-lodging movable frame 401 can be realized.

The casters 418 at the bottom of the support base 412 are provided in plurality, the casters 418 provide support for the support base 412, and the casters 418 are universal wheels.

The working principle of the lodging resistant device 4 is as follows: the lodging-resistant device 4 is matched with the header assembly 1, the auger assembly 2 and the reel assembly 3 for use, a support seat of the lodging-resistant device 4 is connected with a frame of the harvester when in use (the support seat is detachably connected with the frame of the harvester, the lodging-resistant device 4 can be detached when not in use), the lodging-resistant device 4 is positioned in front of the reel assembly 3, the reel assembly 3 is positioned between the header assemblies 1 of the lodging-resistant device 4, thus when harvesting operation is carried out, the driving motor provides power for driving the lodging-resistant executing mechanism to rotate, the lodging-resistant executing mechanism shovels the lodging crops, the crops entering the header are in a righting state, and the reel assembly 3 is conveniently turned into the auger and cut off by a cutter.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims (10)

1. Agricultural harvester header, including header assembly, screw feeder assembly and reel assembly, its characterized in that, the length adjustable of header assembly, screw feeder assembly and reel assembly, the header assembly includes header mount, two header adjustable shelves, set up the frame that hides between header mount and header adjustable shelf, rotatable setting in the turning block that hides on the frame, rotatable setting in the gyro wheel on the turning block and be connected and be used for adjusting the first adjusting device of the distance between two header adjustable shelves with header adjustable shelf and header mount, the header mount has the first guide way and the second guide way that let the gyro wheel embedding.

2. The agricultural harvester header of claim 1, wherein the first adjustment device includes a first screw coupled to the header mount, a first threaded sleeve threadedly coupled to the first screw, a first driven gear coupled to the first threaded sleeve, a first driving gear engaged with the first driven gear, and a first operating handle coupled to the first driving gear, the first driving gear and the first driven gear being rotatably disposed on the header cradle.

3. The agricultural harvester header of claim 1 or 2, wherein the first guide groove is disposed obliquely, the second guide groove is disposed horizontally, the first guide groove extends obliquely upward toward the second guide groove, the first guide groove extends from the end surface of the header holder facing the shielding frame toward the inside of the header holder, and the first guide groove and the second guide groove have the same width.

4. An agricultural harvester header as claimed in any one of claims 1 to 3, wherein the auger assembly includes an intermediate auger, two telescopic augers connected to the intermediate auger and a first locking means for holding the intermediate auger and the telescopic augers stationary, the intermediate auger being located between the two telescopic augers and the telescopic augers being rotatable relative to the intermediate auger, the telescopic auger being connected to the header cradle.

5. The agricultural harvester header of claim 4, wherein the intermediate auger includes a first auger outer shaft sleeve, a first auger inner shaft disposed in the first auger outer shaft sleeve, and first helical blades disposed on the first auger outer shaft sleeve, the telescopic auger includes a second auger outer shaft sleeve sleeved on the first auger outer shaft sleeve, a second auger inner shaft disposed in the second auger outer shaft sleeve, and second helical blades disposed on the second auger outer shaft sleeve, the first helical blades are provided in two, the first helical blades have a receiving groove in which the second helical blades are embedded, the first locking device includes a first locking member and a first locking spring for applying an elastic action to the first locking member, the first locking spring is disposed in an inner cavity in the second auger inner shaft sleeve, the first auger inner shaft sleeve is disposed on the second auger inner shaft sleeve, the axis body has the first locking hole that lets first locking piece pass in the first screw feeder, and first locking hole sets up a plurality ofly, and the axis body has the second locking hole that lets first locking piece pass in the second screw feeder, sets up the third guide way of guide first locking piece on the interior disc of axis body in the first screw feeder, and the third guide way is the helicla flute that extends along axial spiral in the interior disc of axis body in the first screw feeder.

6. The agricultural harvester header of claim 5, wherein a first return spring is disposed inside the second auger outer bushing, the first return spring is a compression spring, and the first auger outer bushing is located between the two first return springs.

7. The agricultural harvester header of claim 5 or 6, wherein the reel assembly comprises a reel main shaft, reel teeth, a reel spoke plate connected with the reel main shaft, a reel rod connected with the reel spoke plate, reel teeth arranged on the reel rod, and a plurality of positioning springs arranged in an inner cavity of the reel rod and used for applying elastic acting force to the reel teeth, the lengths of the reel main shaft and the reel teeth are adjustable, the reel teeth are provided in plurality, and each reel tooth is located between two adjacent positioning springs.

8. The agricultural harvester header of claim 7, wherein the reel spindle includes an intermediate shaft, two telescoping shafts connected to the intermediate shaft, the intermediate shaft being positioned between the two telescoping shafts and the telescoping shafts being rotatable relative to the intermediate auger, and a second locking device for holding the intermediate shaft and the telescoping shafts stationary, the telescoping shafts being connected to the reel spoke disk.

9. The agricultural harvester header of claim 8, wherein the intermediate shaft includes a first reel outer sleeve and a first reel inner shaft disposed in the first reel outer sleeve, the telescopic shaft includes a second reel outer sleeve disposed on the first reel outer sleeve and a second reel inner shaft disposed in the second reel outer sleeve, the second locking device includes a second locking member and a second locking spring for applying an elastic action to the second locking member, the second locking spring is disposed in an inner cavity of the second reel inner shaft, the first reel inner shaft is sleeved on the second reel inner shaft, the first reel inner shaft has a third locking hole for passing the second locking member therethrough, the third locking holes are provided in plural numbers, the second reel inner shaft has a fourth locking hole for passing the second locking member therethrough, a fourth guide groove for guiding the second locking piece is arranged on the inner circular surface of the shaft body in the first reel, and the fourth guide groove is a long groove which axially extends in the inner circular surface of the shaft body in the first reel; and a second return spring is arranged in the second reel outer shaft sleeve, the second return spring is a compression spring, and the first reel outer shaft sleeve is positioned between the two second return springs.

10. The agricultural harvester header of claim 8 or 9, wherein the reel rod comprises a first rod body and two second rod bodies sleeved on the first rod body, the second rod body is connected with the reel spoke disc, the first rod body is provided with a first avoidance hole for the reel teeth to pass through, the second rod body is provided with a second avoidance hole for the reel teeth to pass through, and the positioning spring is arranged in the inner cavity of the first rod body and the second rod body.

Images