CN209072956U - A kind of concave grate - Google Patents

Abstract

The utility model provides a kind of concave grate, it is related to combine harvester accessory technical field, it is combined by multiple grizzly bars for being provided with sieve tooth with multiple arcs grizzly bar and constitutes concave grate, solve combine harvester existing in the prior art work long hours in be easy that savings is miscellaneous remaining to reduce cleannes, it is also possible to cause the technical issues of stifled sieve is to influence harvester working efficiency.The device includes the grizzly bar for being provided with sieve tooth and the arc grizzly bar for being connected and fixed the grizzly bar, the grizzly bar is multiple and forms grid with the arc grizzly bar, the sieve tooth position has gap inside the grid, and between the sieve tooth and another described grizzly bar being arranged on a grizzly bar.The utility model is used for combine harvester, and can play the role of threshing well during working long hours will not put aside miscellaneous remaining simultaneously, and the case where not will cause stifled sieve is to guarantee the working efficiency of combine harvester.

Description

A kind of concave grate

Technical field

The utility model relates to combine harvester accessory technical fields, more particularly, to a kind of concave grate.

Background technique

The concave grate of combine harvester is the component in combine harvester threshing chamber, and effect is to carry out the cereal of threshing Screening, grain and tiny cereal leaf bar leak down to fall within from the mesh of concave grate the vibrating screen of lower section, coarse cereal leaf bar from The grass outlet of concave grate is thrown out of, and obtains cereal.The threshing concave board sieve of combine harvester generallys use single sieve pore form at present, I.e. with one of grid screen, stamped sieve or wire gauze sieve.Such concave grate is to be screened by sieve pore, is only had certain Screening and threshability, but the miscellaneous remaining cleannes of savings are easy in machine works long hours to be reduced, it is also possible to cause stifled sieve, To influence the working efficiency of harvester.

Utility model content

The purpose of this utility model is to provide a kind of concave grates, pass through multiple grizzly bars and multiple arcs for being provided with sieve tooth Grizzly bar combination constitutes concave grate, solve combine harvester existing in the prior art work long hours in be easy the miscellaneous remaining drop of savings Low cleaning degree, it is also possible to cause the technical issues of stifled sieve is to influence harvester working efficiency.It is provided by the utility model many Many technical effects elaboration as detailed below that optimal technical scheme in technical solution can be generated.

To achieve the above object, the utility model provides following technical scheme:

A kind of concave grate provided by the utility model, including being provided with the grizzly bar of sieve tooth and for being connected and fixed the grid The arc grizzly bar of item, the grizzly bar be it is multiple and with the arc grizzly bar form grid, the sieve tooth position inside the grid, And there is gap between the sieve tooth and another described grizzly bar being arranged on a grizzly bar.

Preferably, further includes: for being connected and fixed the attachment device of the concave grate.

Preferably, the arc grizzly bar is perpendicular to the grizzly bar.

Preferably, the grizzly bar is multiple and is arranged in parallel, and the both ends connection that the arc grizzly bar is located at the grizzly bar is solid Fixed multiple grizzly bars.

Preferably, the arc grizzly bar is between arc grizzly bar described in multiple and each adjacent two perpendicular to the arc grid Item is provided with multiple grizzly bars.

Preferably, the sieve tooth position is in the one side of the grizzly bar, a grizzly bar be arranged the one of the sieve tooth facing towards The one side of another adjacent not set sieve tooth of grizzly bar.

Preferably, the attachment device is located at the both ends of the arc grizzly bar.

Preferably, the attachment device is parallel with the grizzly bar and connect with the arc grizzly bar.

Preferably, the connecting hole for being fixedly connected is provided in the attachment device.

Preferably, the connecting hole is located at the both ends of the attachment device.

In technical solution provided by the utility model, the grizzly bar is multiple and forms grid, institute with the arc grizzly bar Sieve tooth position is stated inside the grid, and between having between the sieve tooth and another described grizzly bar being arranged on a grizzly bar Gap；The concave grate of setting sieve tooth, can set on one grizzly bar while guaranteeing good Threshing inside such grid There is gap that can exclude between the sieve tooth and another described grizzly bar set miscellaneous remaining, to make concave grate not block up sieve, simultaneously Guarantee the working efficiency of harvester.

The utility model optimal technical scheme can also at least have the following technical effects: be additionally provided on the concave grate The concave grate can be connected on harvester by attachment device；The arc grizzly bar is arc described in multiple and each adjacent two The arc grizzly bar is provided with multiple grizzly bars between grizzly bar, multiple groups arc grizzly bar plays the fixed grizzly bar of support Effect, the length of grizzly bar can be reduced, increase the solidness of grizzly bar, thus increase concave grate use the time.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of concave grate provided by the embodiment of the utility model.

1- sieves tooth in figure；2- grizzly bar；3- arc grizzly bar；4- attachment device；5- threshing hole；6- connecting hole.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

The utility model specific embodiment provides a kind of concave grate, including being provided with the grizzly bar 2 of sieve tooth 1 and for connecting The arc grizzly bar 3 of fixed grizzly bar 2 is connect, grizzly bar 2 is multiple and forms grid with arc grizzly bar 3, and sieve tooth 1 is located inside grid, and There is gap between the sieve tooth 1 and another grizzly bar 2 being arranged on one grizzly bar 2, as shown in Fig. 1, this gap setting and sieve tooth 1 Structure can prevent to a certain extent concave grate from stifled sieve phenomenon occur by tiny stalk.And grizzly bar 2 be it is multiple and with arc grid Item 3 forms grid, and sieve tooth 1 is located inside grid, and such structure can guarantee good threshing in concave grate prolonged use While effect, moreover it is possible to remove miscellaneous remaining, prevent stifled sieve phenomenon to improve the working efficiency of harvester.

As shown in Fig. 1, the intaglio plate sieve that the utility model specific embodiment provides, further includes: attachment device 4, this connection Concave grate can be fixedly connected in the threshing rack of combine harvester by device 4, and connection type can be filled by setting in connection Set the connecting hole 6 on 4, with bolt pass through connecting hole 6 by concave grate be connected in threshing rack or other modes carry out it is removable Connection is unloaded, the cleaning or replacement of later period concave grate are detachably facilitated；Wherein connecting hole 6 can be located at the both ends of attachment device 4 Or other positions, while attachment device is located at the both ends of arc grizzly bar 3, this two attachment devices can simultaneously carry out concave grate Connection.

Attachment device 4 is located at the both ends of arc grizzly bar 3, and fixed concave grate is played while being connected and fixed arc grizzly bar 3 Effect, attachment device 4 can be parallel with grizzly bar 2, while being provided with threshing hole 5 on one side close to grizzly bar 2 in attachment device 4, Also can play the role of threshing, can avoid being made into because of the distance between attachment device 4 and grizzly bar 2 very much threshing not exclusively or other Situation.

Wherein, the connection type of arc grizzly bar 3 and grizzly bar 2 can be a variety of, such as can be with are as follows: arc grizzly bar 3 perpendicular to Grizzly bar 2；Grizzly bar 2 is multiple and is arranged in parallel that the both ends that arc grizzly bar 3 is located at grizzly bar 2 are connected and fixed multiple grizzly bars 2 simultaneously.This Kind scheme is that one group of arc grizzly bar 3 and multiple grizzly bars 2 are combined into concave grate, and such elongated setting of mode grizzly bar will not be because of inside The blocking of other arc grizzly bars 3 and influence Threshing.

It is arranged can be with are as follows: multiple arcs grizzly bar 3 is set perpendicular to arc grizzly bar 3 between each adjacent two arc grizzly bar 3 Multiple grizzly bars 2 are equipped with, such mode is to increase arc grizzly bar 3 on the grizzly bar 2 of above-mentioned elongated setting, increases grid quantity, subtracts Small grate area is avoided because grizzly bar 2 is too long while damaging caused by working long hours or deformation, thus cause threshing incomplete or The problem of person can not work influences the working efficiency of harvester.

It is worth noting that sieving the setting of tooth 1 on grizzly bar 2, sieve tooth 1 can be located at the same face of grizzly bar 2, and such situation Under grizzly bar position be arranged as, the one facing towards the one of the not set sieve tooth 1 of another adjacent grill 2 of grizzly bar 2 setting sieve tooth 1 Face, the grizzly bar 2 inside all one group of arc grizzly bars 3 are successively arranged, and arc grizzly bar 3 and grizzly bar 2 form grid at this time, sieve tooth 1 is located at the inside of grid, and the spacing and sieve tooth 1 of sieve tooth 1 and the gap of grizzly bar 2 can carry out appropriate as the case may be It adjusts, so as to play the effect of concave grate cleaning and threshing in the course of work well, avoids the problem that stifled sieve, improve The working efficiency of harvester.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of concave grate, which is characterized in that including being provided with the grizzly bar (2) of sieve tooth (1) and for being connected and fixed the grid The arc grizzly bar (3) of item (2), the grizzly bar (2) are multiple and form grid, sieve tooth (1) position with the arc grizzly bar (3) Have inside the grid, and between the sieve tooth (1) and another described grizzly bar (2) being arranged on a grizzly bar (2) Gap.

2. concave grate according to claim 1, which is characterized in that further include: for being connected and fixed the company of the concave grate Connection device (4).

3. concave grate according to claim 1, which is characterized in that the arc grizzly bar (3) is perpendicular to the grizzly bar (2).

4. concave grate according to claim 1, which is characterized in that the grizzly bar (2) is multiple and is arranged in parallel, the arc The both ends that shape grizzly bar (3) is located at the grizzly bar (2) are connected and fixed multiple grizzly bars (2).

5. concave grate according to claim 2, which is characterized in that the arc grizzly bar (3) is multiple and each adjacent two The arc grizzly bar (3) is provided with multiple grizzly bars (2) between the arc grizzly bar (3).

6. concave grate according to claim 1, which is characterized in that sieve tooth (1) is located at the one side of the grizzly bar (2), The one of one grizzly bar (2) setting sieve tooth (1) is facing towards another adjacent not set sieve tooth (1) of grizzly bar (2) One side.

7. concave grate according to claim 2, which is characterized in that the attachment device (4) is located at the arc grizzly bar (3) Both ends.

8. concave grate according to claim 2, which is characterized in that the attachment device (4) is parallel with the grizzly bar (2) simultaneously It is connect with the arc grizzly bar (3).

9. concave grate according to claim 2, which is characterized in that be provided on the attachment device (4) and connect for fixed Connect the connecting hole (6) of the concave grate.

10. concave grate according to claim 9, which is characterized in that the connecting hole (6) is located at the attachment device (4) Both ends.