CN214430270U - Header stop device and harvester - Google Patents

Abstract

The utility model discloses a header limiting device and a harvester, wherein the header limiting device is applied to the harvester and comprises a top rod and a clamping block, one end of the top rod is hinged on the frame of the harvester, and the other end of the top rod is provided with a limiting notch; the clamping block is fixedly installed on the header and used for being clamped into the limiting notches and supporting the header in a matched mode with the ejector rods. The utility model discloses well ejector pin supports the header with the cooperation of joint piece, owing to do not act on hydraulic cylinder, and it is not that the monoplanar contact supports and area of contact is big between spacing breach and the joint piece, is difficult to take place the atress wearing and tearing to warp, can stably support the header effectively for a long time, avoids appearing the incident that the header suddenly dropped and causes.

Description

Header stop device and harvester

Technical Field

The utility model relates to a harvester field especially relates to a header stop device and harvester.

Background

Harvesters are widely used for harvesting various crops, and in use, they generally harvest the crops through a cutting table. After the header is used, maintenance is often required. When carrying out maintenance, generally need with header lifting to take the altitude to do benefit to maintenance personal and examine, because the self quality of header is great, have certain potential safety hazard, so need set up safety card on the header, with fixed header, prevent that hydraulic system on the in-process header of inspection from becoming invalid and leading to the header suddenly to descend, influence maintenance personal's safety. In the prior art, the safety card limiting the header at a certain height generally adopts a mode of propping against a hydraulic oil cylinder. However, the header is heavy, the stress surfaces of the safety card and the oil cylinder are small, stress is concentrated, and the safety card is subjected to extrusion repeatedly for a long time and has certain abrasion and mechanical fatigue, so that certain potential safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a header stop device for safe caine is long-term atress wearing and tearing warp and is leaded to unable technical problem who provides effective support for the header among the solution prior art.

In order to solve the problem, the utility model provides a header stop device is applied to the harvester, include:

one end of the ejector rod is hinged to a frame of the harvester, and the other end of the ejector rod is provided with a limiting notch; and

the joint piece, the joint piece is used for fixed mounting on the header, and the joint piece is used for the joint to get into in spacing breach in order to support the header.

The utility model has the advantages that: during the use, earlier place the ejector pin that articulates in the frame towards the joint piece, then when the header rises to a take the altitude, the ejector pin landing is located the spacing breach of ejector pin to the joint piece, after the header descends a segment distance, and the spacing breach on the ejector pin falls to joint piece position department to make ejector pin and joint piece joint, the realization is to the firm support of header. Because the header is supported in ejector pin and joint piece cooperation, need not use safe card on hydraulic cylinder's hydro-cylinder piston rod, long service life.

Optionally, the tip of ejector pin is equipped with first spacing portion, is located the below of first spacing portion on the ejector pin and is equipped with the spacing portion of second, is the breach setting between first spacing portion and the spacing portion of second and forms spacing breach.

When ejector pin and joint piece supported each other, first spacing portion and the outside of the envelope at the joint piece respectively of second spacing portion to form the dead angle between messenger's ejector pin and the joint piece, thereby realize the support to the header.

Optionally, the length of the first position-limiting part is greater than the length of the second position-limiting part.

The length of the first limiting part is greater than that of the second limiting part, so that the ejector rod can be temporarily hung on the clamping block when the header is at the maximum height, and a subsequent limiting notch can be conveniently attached to the clamping block; meanwhile, when the ejector rod is hung on the clamping block, impact sound can be sent out to remind a driver, so that the driver can know the state of the ejector rod, and subsequent operation is facilitated.

Optionally, the inner wall of the limiting notch is in a first arc surface shape, the clamping block is clamped into one end of the limiting notch to be in a second arc surface shape, and the first arc surface shape is matched with the second arc surface shape.

The supporting contact surface between the ejector rod and the clamping block is arc-surface-shaped, the stress angles are large, the sliding under stress is avoided, the contact surface is large, the deformation and the abrasion caused by stress can be effectively reduced, and the header limiting device can safely and effectively support the header for a long time.

Optionally, the inner wall of the limiting notch is in a first polygonal surface shape, the clamping block is clamped into one end of the limiting notch to be in a second polygonal surface shape, and the first polygonal surface shape is matched with the second polygonal surface shape.

The supporting contact surface between the ejector rod and the clamping block is polygonal, the stress angles are large, the sliding under stress is avoided, the contact surface is large, the deformation and the abrasion caused by stress can be effectively reduced, and the header is safely and effectively supported by the limiting device for a long time.

Optionally, a long inclined surface for guiding the limiting notch on the ejector rod to move towards the clamping block is arranged above the clamping block.

The long inclined plane on the clamping block can facilitate the ejector rod to be hung and leaned on temporarily, and guide the limiting notch on the ejector rod to move towards the clamping block, and the smooth long inclined plane enables the limiting notch to smoothly slide onto the clamping block so as to support the header.

Optionally, a long inclined plate is arranged above the clamping block, and the long inclined plate is arranged on the long inclined plate.

When the header is at a certain height, the spacing breach of ejector pin is arranged in on the long inclined plane of long swash plate, and long swash plate is used for guiding the spacing breach of ejector pin to remove towards the joint piece.

Optionally, the joint piece includes butt block and spacing block, and the butt block passes through the fastener to be installed on the header, and spacing block fixed mounting is used for restricting the relative header of butt block on the header and rotates, and the butt block is used for the butt in spacing breach.

The butt block passes through the fastener to be installed on the header, because the fastener does not realize the spacing of full aspect, the rotation takes place for the possible atress of joint piece, and spacing block fixed mounting is used for restricting the butt block on the header and rotates for the header, can effectively avoid this header stop device to become invalid.

Optionally, the top rod is rotatably connected with a hook plate, and the hook plate is provided with a hook-shaped structure for being hung on the rack.

When the header limiting device does not work, the hook plate can fix the ejector rod on the rack, and the ejector rod is prevented from influencing the normal work of the header.

Optionally, the hook plate is provided with a handrail for operating the hook plate to be hung on the rack.

Because the ejector pin is heavier, the hook plate is difficult to operate, and the handrail can make things convenient for operating personnel to carry and draw the ejector pin and rotatory hook plate to make its hook-like structure articulate in the frame, avoids the ejector pin to collide the joint piece and influences this header stop device's life.

The embodiment of the utility model provides another technical scheme: a harvester comprises the header limiting device.

The utility model discloses harvester owing to use there is foretell header stop device, when carrying out maintenance to the header, supports the header through making ejector pin and joint piece cooperation, need not use safe card on hydraulic cylinder's hydro-cylinder piston rod, supports firmly safe and reliable.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows an operating state diagram of a harvester according to an embodiment of the invention;

fig. 2 shows a state diagram of the harvester of the embodiment of the invention in which the mandril is lowered;

fig. 3 shows a state diagram of the harvester header of an embodiment of the present invention rising to the highest;

FIG. 4 shows a partial enlarged view at A of FIG. 3;

fig. 5 shows a state diagram of the harvester ram fully supporting the header of an embodiment of the present invention;

fig. 6 shows a B-direction view of the hydraulic ram and header stop of fig. 5;

fig. 7 shows a schematic view of a mandril structure of the header limiting device according to the embodiment of the present invention;

fig. 8 shows a schematic structural diagram of a clamping block of the header limiting device according to an embodiment of the present invention;

fig. 9 shows a hook plate structure schematic diagram of the header limiting device according to an embodiment of the present invention.

Description of the main element symbols:

10-a top rod; 11-a first stop; 12-a second stop; 13-a limit notch; 14-a through hole of the ejector rod; 20-a clamping block; 21-long inclined plate; 22-long inclined plane; 23-a through hole of the clamping block; 30-hook plate; 31-hook configuration; 32-a handrail; 40-a hydraulic oil cylinder; 50-a frame; 60-a cutting table; 61-a limit block;

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

The embodiment of the utility model provides a pair of header stop device is applied to the harvester, when the daily during operation of harvester is raised the header of harvester and is maintained, this header stop device has four kinds of states, as shown in fig. 1, fig. 2, fig. 3, fig. 5 in proper order, this header stop device can effectively overcome current safe caine long-term atress wearing and tearing warp and lead to can't provide the technical problem who effectively supports for the header.

The following describes in detail a header stop device provided by an embodiment of the present invention with reference to the accompanying drawings.

With reference to fig. 4, 5 and 6, the present embodiment provides a header limiting device, which is applied to a harvester, and includes:

one end of the ejector rod 10 is hinged to a frame 50 of the harvester, and the other end of the ejector rod 10 is provided with a limiting notch 13; and

the clamping block 20 is fixedly installed on the cutting table 60, and the clamping block 20 is clamped into the limiting notch 13 to support the cutting table 60.

The utility model discloses header stop device, compared with the prior art, during the use, earlier place the ejector pin 10 that articulates on frame 50 towards joint piece 20, then header 60 rises to a take the altitude, and ejector pin 10 landing is located the spacing breach 13 of ejector pin 10 to joint piece 20, after a segment distance that falls at header 60, and spacing breach 13 whereabouts on the ejector pin 10 is to joint piece 20 position department to make ejector pin 10 and 20 joints of joint piece, realize the firm support of header. Because the ejector rod 10 and the clamping block 20 are matched to support the cutting table 60, the cutting table does not need to be clamped on an oil cylinder piston rod of the hydraulic oil cylinder by a safety clamp, and the service life is long.

Specifically, one end of the ejector rod 10 is hinged to a specific position below the rack 50 in parallel with the hydraulic oil cylinder 40, the ejector rod 10 is arranged on the outer side of the hydraulic oil cylinder 40 and mounted in parallel with the hydraulic oil cylinder 40, the safety purpose can be achieved only by mounting a header limiting device, the position is high in structural strength and good in stress, the ejector rod 10 is high in rotational freedom, and the stress angle can be conveniently adjusted by matching with the clamping block 20.

The position of the ejector rod 10 is not limited to the outer side of the hydraulic oil cylinder 40, and can be arranged on the inner side of the hydraulic oil cylinder 40 or in the middle of the header 60, so that a better stress position can be selected according to actual conditions, and the stability of the header limiting device is better improved.

The ejector rod 10 is provided with a reinforcing rib to enable the section to be H-shaped, the strength is high, and stress deformation can be avoided; however, the cross section of the ejector rod 10 is not limited to be H-shaped, and can be square, long-deformed and the like, so that the processing difficulty is reduced under the condition of meeting the structural strength.

Of course, the number of the carrier rods 10 is not limited to 1, and a plurality of carrier rods may be provided as required to provide better supporting force.

In another embodiment of the present invention, as shown in fig. 4 and 7, the end of the top rod 10 is provided with a first limiting portion 11, a second limiting portion 12 is disposed below the first limiting portion 11 on the top rod 10, and a gap is formed between the first limiting portion 11 and the second limiting portion 12 to form a limiting gap 13.

Specifically, when the ejector rod 10 and the clamping block 20 support each other, the first limiting portion 11 and the second limiting portion 12 are respectively wrapped outside the clamping block 20, so that a dead angle is formed between the ejector rod 10 and the clamping block 20, and the cutting table 60 is supported.

In another embodiment of the present invention, as shown in fig. 3 and 5, the length of the first limiting portion 11 is greater than the length of the second limiting portion 12, so that the top rod 10 can be temporarily hung on the clamping block 20 when the header 60 is at the maximum height, thereby facilitating the attachment of the subsequent limiting notch 13 and the clamping block 20; meanwhile, when the ejector rod 10 is hung on the clamping block 20, an impact sound is given to remind a driver, so that the driver can know the state of the ejector rod 10, and the follow-up operation is facilitated.

Furthermore, the length of the first limiting part 11 at the upper part of the limiting notch 13 needs to satisfy a certain length, and when the hydraulic oil cylinder 40 extends to the maximum length, the first limiting part 11 at the upper part of the limiting notch 13 can still be placed on the clamping block 20, so that the ejector rod 10 cannot fall to the ground.

The hydraulic cylinder 40 can be extended to a set position as required, but is not limited to a maximum length, so that the top rod 10 can be hung on the clamping block 20 in the working process, and the top rod 10 cannot fall into the ground.

In another embodiment of the present invention, as shown in fig. 4, 5, 7 and 8, the inner wall of the spacing gap 13 of the ejector rod 10 is in a first arc surface shape, the end of the clamping block 20 clamped into the spacing gap 13 is in a second arc surface shape, and the first arc surface shape is matched with the second arc surface shape.

Specifically, the supporting contact surface between the ejector rod 10 and the clamping block 20 is arc-surface-shaped, the stress angles are large, the sliding under stress is avoided, the contact surface is large, the deformation and the abrasion caused by stress can be effectively reduced, and the header limiting device can safely and effectively support the header 60 for a long time.

Wherein, the spacing breach 13 and the second cambered surface of ejector pin 10 are not limited to cambered surface structure, can set up other curved surface structures, provide the support of a plurality of angles, make the support contact surface more firm, and the atress dispersion prevents that the metal from warping simultaneously.

In another embodiment of the present invention, as shown in fig. 4, 5, 7 and 8, the inner wall of the spacing notch 13 of the ejector rod 10 is in a first polygonal surface shape, one end of the clamping block 20 clamped into the spacing notch 13 is in a second polygonal surface shape, and the first polygonal surface shape is matched with the second polygonal surface shape.

Specifically, the supporting contact surface between the ejector rod 10 and the clamping block 20 is polygonal surface-shaped, the stress angles are large, the sliding under stress is avoided, the contact surface is large, the deformation and abrasion caused by stress can be effectively reduced, and the header 60 is safely and effectively supported by the limiting device for a long time.

In another embodiment of the present invention, as shown in fig. 2 and 8, a long inclined plane 22 is disposed above the engaging block 20 for guiding the limiting notch 13 on the rod 10 to move toward the engaging block 20.

Specifically, the long inclined surface 22 on the clamping block 20 can facilitate the ejector rod 10 to be temporarily hung, and guide the limiting notch 13 on the ejector rod 10 to move toward the clamping block 20, and the smooth long inclined surface 22 enables the limiting notch 13 to smoothly slide onto the clamping block 20, so as to support the header 60.

In another embodiment of the present invention, as shown in fig. 2 and 8, a long inclined plate 21 is disposed above the joint block 20, the long inclined plate 21 is disposed on the long inclined surface 22, when the header 60 is at a certain height, the position-limiting notch 13 of the push rod 10 is disposed on the long inclined surface 22 of the joint block 20, and the long inclined surface 22 is used for guiding the position-limiting notch 13 of the push rod 10 to move toward the joint block 20.

Wherein, long swash plate 21 is not limited to the flat structure, and long swash plate 21 can set up to the L shaped plate that has limit structure in the outside, can make ejector pin 10 can't be on long swash plate 21 horizontal slip, and this L shaped plate can be more accurate the spacing breach 13 of guide ejector pin 10 and move toward joint piece 20.

Wherein, the joint piece 20 can set up to modes such as welding or bolt fastening with long swash plate 21's relation of connection, can adjust the fixed relation between joint piece 20 and the long swash plate 21 according to the demand, provides better support intensity.

Further, can set up the strengthening rib between long swash plate 21 and joint piece 20, the strengthening rib can provide higher intensity in order to guarantee joint piece 20 stable in structure.

Wherein, the setting mode of the strengthening rib of joint piece 20 can be modes such as welding or bolt fastening.

In another embodiment of the present invention, as shown in fig. 3, 4, 5 and 7, the joint block 20 includes a butt block body and a limiting block body 61, the butt block body is installed on the header 60 through a fastener, the limiting block body 61 is fixedly installed on the header 60 and used for limiting the butt block body to rotate relative to the header 60, and the butt block body is used for abutting in the limiting notch 13.

Specifically, the butt block passes through the fastener to be installed on header 60, because the fastener does not realize the spacing of full aspect, the rotation takes place for the possible atress of joint piece 20, and spacing block 61 fixed mounting is on header 60 for the restriction butt block rotates for header 60, can effectively avoid this header stop device to lose efficacy.

Further, spacing block 61 is fixed mounting on header 60 earlier, can play the effect of location, can accurately find suitable angle when the installer installs joint block 20 of being convenient for, avoids installer inexperience or error to lead to joint block 20 angle installation mistake to make this header stop device inefficacy, has the potential safety hazard.

The fastening piece can be connected through a bolt, so that the clamping block 20 can be conveniently disassembled, assembled and adjusted in angle, and a more accurate stress angle can be found; the number of the clamping block through holes 23 on the clamping block 20 is not limited to one, and can be multiple, and the clamping block 20 can be prevented from rotating by matching with bolt fixation, so that the clamping block 20 is fastened; the fixing mode of the clamping block 20 is not limited to the use of fasteners, and the fastening can also be realized by welding, so that the cutting table limiting device has better strength and is more stable.

The limiting block body 61 can be polygonal, including L-shaped and clip-shaped, to limit the rotation of the clamping block 20; the limiting block body 61 can be welded and fixed on the header 60, so that the strength is higher; but not limited to the welding, can be bolted connection, can adjust the angle of spacing block 61 according to actual conditions, the angle of indirect regulation joint piece 20 makes this header stop device support more firm.

In another embodiment of the present invention, as shown in fig. 1, 7 and 9, a hook plate 30 is rotatably connected to the top rod 10, and the hook plate 30 is provided with a hook structure 31 for hanging on the frame 50. When the header limiting device does not work, the hook plate 30 can fix the ejector rod 10 on the rack 50, and the influence of the ejector rod 10 on the normal work of the header 60 is avoided.

Specifically, the ejector rod 10 is connected with the hook plate 30 through a bolt, the hook-shaped structure 31 is hung on the rack 50 through lifting and rotating the hook plate 30, and the hook-shaped structure 31 facilitates hanging of the ejector rod 10 by workers.

Furthermore, the side surface of the ejector rod 10 is provided with an ejector rod through hole 14 for bolt connection, the ejector rod through hole is arranged at a position close to the limiting notch 13, and when the ejector rod 10 is lifted, an operator can lift the ejector rod 10 more easily due to a larger force arm at the position.

The connection mode of the top rod 10 and the rack 50 is not limited to the hook plate 30, and the top rod 10 can be rotated, pulled and fixed by other modes, for example, the top rod 10 is fixed on the rack 50 by a mode of passing through the top rod through hole 14 by using a buckle, a rope and the like, so that the operation is convenient and efficient.

The number of the ejector rod through holes 14 is not limited to one, and can be multiple, and the hook plates 30 can be arranged at other through holes according to requirements to adjust the positions of the hook plates 30, so that the ejector rod 10 can be hung and connected more conveniently and stably; meanwhile, the ejector rod 10 is provided with a plurality of through hole structures to reduce material cost under the condition of satisfying structural strength.

In another embodiment of the present invention, as shown in fig. 1 and 9, the top rod 10 is provided with a hook plate 30, the hook plate 30 is provided with a hook structure 31 and a handrail 32, and the handrail 32 is used for operating the hook plate 30 to be hung on the frame 50. Because the ejector rod 10 is heavy, the hook plate 30 is not easy to operate, and the handle 32 can facilitate an operator to lift the ejector rod 10 and rotate the hook plate 30 to enable the hook-shaped structure 31 to be hung on the rack 50, so that the normal work of the header 60 is prevented from being influenced by the ejector rod 10.

The handrail 32 can be in a U shape, so that the use of an operator is facilitated; the connection mode of handrail 32 and hook plate 30 can be for the welding, and intensity is high, but not limited to the welding, can reduce the processing degree of difficulty through buckling hook plate 30 in order to set up other handrail structures.

The embodiment of the utility model provides a harvester is still provided, including foretell header stop device.

The utility model discloses harvester owing to use there is foretell header stop device, when maintaining header 60, supports header 60 through making ejector pin 10 and the cooperation of joint piece 20, need not use safe card on hydraulic cylinder 40's hydro-cylinder piston rod, supports firmly safe and reliable.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a header stop device, its characterized in that is applied to the harvester, includes:

one end of the ejector rod is hinged to the frame of the harvester, and the other end of the ejector rod is provided with a limiting notch; and

the joint piece, joint piece fixed mounting be in on the header of harvester, the joint piece is used for the joint to get into in the spacing breach in order to support the header.

2. The header limiting device of claim 1, wherein a first limiting portion is disposed at an end of the ejector rod, a second limiting portion is disposed below the first limiting portion on the ejector rod, and the limiting notch is formed between the first limiting portion and the second limiting portion in a notch arrangement.

3. A header stop according to claim 2, wherein the length of the first stop portion is greater than the length of the second stop portion.

4. The header stop device of claim 1, wherein an inner wall of the stop notch is in the shape of a first arc surface, one end of the clamping block clamped into the stop notch is in the shape of a second arc surface, and the first arc surface is matched with the second arc surface.

5. The header stop device of claim 1, wherein an inner wall of the stop notch is in the shape of a first polygonal surface, one end of the clamping block clamped into the stop notch is in the shape of a second polygonal surface, and the first polygonal surface is matched with the second polygonal surface.

6. The header stop device of claim 1, wherein a long inclined surface for guiding the stop notch on the ejector rod to move towards the clamping block is arranged above the clamping block.

7. The header stop device of claim 6, wherein a long sloping plate is arranged above the clamping block, and the long sloping plate is arranged on the long sloping plate.

8. A header stop device according to any one of claims 1 to 7, wherein the snap-in block comprises an abutment block and a stop block, the abutment block is mounted on the header by a fastener, the stop block is fixedly mounted on the header and is configured to limit rotation of the abutment block relative to the header, and the abutment block is configured to abut in the stop notch.

9. A header limiting device according to any one of claims 1 to 7, wherein a hook plate is rotatably connected to the ejector rod, and the hook plate is provided with a hook-shaped structure for being hung on the rack.

10. A harvester, characterized in that, includes the header stop device of any one of claims 1-9.

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