CN220823722U

CN220823722U - Threshing concave plate capable of being quickly detached and replaced and threshing machine

Info

Publication number: CN220823722U
Application number: CN202322673519.3U
Authority: CN
Inventors: 王文明; 刘文梁
Original assignee: Weichai Lovol Intelligent Agricultural Technology Co Ltd
Current assignee: Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-23
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to a threshing concave plate capable of being quickly detached and replaced and threshing machinery, and relates to the field of agricultural machinery. The threshing machine comprises a threshing concave plate which can be quickly disassembled and replaced. The beneficial effects of the utility model are as follows: concave plate subassembly adopts the grafting structure with concave plate support frame, can with concave plate support frame quick assembly disassembly, realizes concave plate subassembly's quick replacement to need not whole concave plate of threshing, the operation is more convenient, save time.

Description

Threshing concave plate capable of being quickly detached and replaced and threshing machine

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a threshing concave plate capable of being quickly detached and replaced and a threshing machine.

Background

Threshing concave plates with different gaps are adopted when different crops are harvested by the grain harvesting machine at the present stage. When the threshing concave plate is replaced, the threshing concave plate needs to be integrally detached and replaced, the operation difficulty of replacement by operators is high, and the threshing concave plate cannot be quickly replaced to affect the harvesting efficiency of crops.

Disclosure of utility model

The utility model aims to solve the technical problem of how to conveniently switch different threshing gaps when different crops are harvested.

The technical scheme for solving the technical problems is as follows: the utility model provides a but threshing concave board of quick detach change, includes concave board support frame and two at least concave board subassemblies, concave board support frame lower extreme has the slot, and its upper end is equipped with first location grafting portion, and two at least concave board subassemblies set up side by side from top to bottom, and the top concave board subassembly is equipped with second location grafting portion, first location grafting portion with second location grafting portion is pegged graft, and the bottom concave board subassembly is pegged graft and is established in the slot.

The beneficial effects of the utility model are as follows: concave plate subassembly adopts the grafting structure with concave plate support frame, can with concave plate support frame quick assembly disassembly, realizes concave plate subassembly's quick replacement to need not whole concave plate of threshing, the operation is more convenient, save time.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the threshing concave capable of being quickly detached and replaced further comprises at least two groups of connecting assemblies, and each concave assembly is detachably connected with the concave supporting frame through the connecting assemblies.

The beneficial effects of adopting the further scheme are as follows: the concave plate component is detachably connected with the concave plate supporting frame, so that the threshing concave plate is further ensured to be stable in structure and not to shake in the working process.

Further, the connecting assembly comprises a fixing bolt and a fixing nut, the fixing nut is fixedly connected with the side wall of the concave plate assembly, and one end of the fixing bolt penetrates through the side wall of the concave plate supporting frame and is in threaded connection with the fixing nut.

The beneficial effects of adopting the further scheme are as follows: the fixing nut is fixedly arranged, and when the concave plate component is disassembled and assembled, the fixing bolt is only required to be rotated, so that the operation is convenient.

Further, the concave plate support frame includes backup pad, a plurality of floor, lower mounting panel and two curb plates, one of them the curb plate the backup pad, another the curb plate with the mounting panel head and the tail down connects gradually, and is a plurality of the floor is parallel to each other, and every the both ends of floor respectively with last backup pad with mounting panel fixed connection down, it has to go up the backup pad first location grafting portion, the mounting panel has down the slot.

The beneficial effects of adopting the further scheme are as follows: the upper supporting plate, the plurality of rib plates, the lower mounting plate and the two side plates form a frame structure, and the rib plates play a role in reinforcing supporting strength. And the recess plate assembly is placed on a plurality of rib plates, and the rib plates can also support the recess plate assembly.

Further, the concave supporting frame further comprises a reinforcing plate, the reinforcing plate is fixedly connected with the lower mounting plate, and the slot is formed by enclosing the reinforcing plate, the lower mounting plate and a plurality of rib plates.

Further, the first positioning plug-in connection part is a mounting hole, and the second positioning plug-in connection part is a pin shaft.

Further, the recess plate assembly is provided with two or three.

The utility model also provides threshing machinery, which comprises a threshing machine body and the threshing concave plate which can be quickly detached and replaced, wherein the concave plate support frame and at least two concave plate components are arranged in the threshing machine body.

The beneficial effects are that: the threshing machine can realize the quick replacement of the concave plate assembly, so that the integral threshing concave plate is not needed, and the operation is more convenient and time-saving.

Further, the threshing machine also comprises a concave plate adjusting mechanism, wherein the concave plate adjusting mechanism is arranged on the threshing machine body, one end of the concave plate adjusting mechanism is connected with the upper end of the concave plate supporting frame, and the lower end of the concave plate supporting frame is hinged with the threshing machine body.

The beneficial effects of adopting the further scheme are as follows: when the concave plate component is required to be disassembled and assembled, the concave plate supporting frame is firstly adjusted to the position with the largest concave plate clearance between the concave plate supporting frame and the threshing cylinder (namely the lowest position of the threshing concave plate) through the concave plate adjusting mechanism.

Further, the threshing machine further comprises a sealing plate, the side wall of the threshing machine body is provided with a disassembly and assembly opening corresponding to the position of the concave plate supporting frame, and the sealing plate is detachably connected with the disassembly and assembly opening.

The beneficial effects of adopting the further scheme are as follows: the sealing plate shields the dismounting opening during normal threshing, and can be dismounted when the concave plate component needs to be replaced, and the threshing concave plate in the threshing machine body is operated.

Drawings

FIG. 1 is a top view of a quick release replaceable threshing concave of the utility model;

FIG. 2 is a cross-sectional view of a fixing bolt connection;

FIG. 3 is a cross-sectional view of a quick-release replaceable threshing concave;

FIG. 4 is a top exploded view of a quick-release replaceable threshing concave;

FIG. 5 is a right side view of the quick release replaceable threshing concave of FIG. 4;

FIG. 6 is a partial three-dimensional view of the threshing machine of the utility model, illustrating the removal of the upper concave assembly;

FIG. 7 is a front view of a portion of the detached body;

Fig. 8 is a partial top view of the detached body.

In the drawings, the list of components represented by the various numbers is as follows:

1. Concave plate supporting frame; 2. an upper concave plate assembly; 3. a concave plate assembly; 4. a fixing bolt; 5. a fixing nut; 6. an upper support plate; 7. a pin shaft; 8. rib plates; 9. a reinforcing plate; 10. a lower mounting plate; 11. a side plate; 12. a concave adjusting mechanism; 13. a sealing plate; 14. a threshing machine body.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1-8, the present embodiment provides a threshing concave capable of being quickly detached and replaced, which comprises a concave supporting frame 1 and at least two concave components, wherein the lower end of the concave supporting frame 1 is provided with a slot, the upper end of the concave supporting frame is provided with a first positioning inserting part, at least two concave components are arranged side by side up and down, the uppermost concave component is provided with a second positioning inserting part, the first positioning inserting part is inserted with the second positioning inserting part, and the lowest concave component is inserted in the slot.

Concave plate subassembly and concave plate support frame 1 adopt grafting structure, can with 1 quick assembly disassembly of concave plate support frame, realize the quick replacement of concave plate subassembly to need not whole concave plate of threshing, the simple operation is more convenient, save time.

Specifically, as shown in fig. 1 and 3, the concave supporting frame 1 is rectangular in plan view, and both side plates 11 are circular arc-shaped. The corresponding concave plate component is a circular arc-shaped sieve plate.

When there are two recess plate assemblies, the two recess plate assemblies are referred to as an upper recess plate assembly 2 and a lower recess plate assembly 3, respectively. During assembly, the concave plate component 3 is firstly installed, the lower end of the concave plate component 3 is inserted into the slot, and then the concave plate component is placed on the concave plate supporting frame 1. After the lower concave plate component 3 is installed in place, the upper concave plate component 2 is installed, and the second positioning plug-in connection part at the upper end of the upper concave plate component 2 is plugged with the first positioning plug-in connection part and then placed on the concave plate supporting frame 1. When the concave assembly 2 is disassembled, the concave assembly 3 is disassembled.

When the concave plate components are more than three, the uppermost concave plate component is spliced with the concave plate supporting frame 1 through the first positioning splicing part and the second positioning splicing part, and is not connected with other concave plate components. The adjacent sides of the rest concave plate components are spliced through pin shafts.

On the basis of any scheme, the threshing concave capable of being quickly detached and replaced further comprises at least two groups of connecting assemblies, and each concave assembly is detachably connected with the concave supporting frame 1 through the connecting assemblies.

The concave plate component is detachably connected with the concave plate supporting frame 1, so that the threshing concave plate is further ensured to be stable in structure and not to shake in the working process.

On the basis of any one of the above schemes, the connecting assembly comprises a fixing bolt 4 and a fixing nut 5, the fixing nut 5 is fixedly connected with the side wall of the concave assembly, and one end of the fixing bolt 4 penetrates through the side wall of the concave supporting frame 1 and is in threaded connection with the fixing nut 5.

The fixing nut 5 is fixedly arranged, and when the concave plate component is disassembled and assembled, the fixing bolt 4 only needs to be rotated, so that the operation is convenient.

Specifically, a fixing nut 5 is fixed to each of the two side walls of each recess plate assembly.

On the basis of any one of the above schemes, the concave supporting frame 1 comprises an upper supporting plate 6, a plurality of rib plates 8, a lower mounting plate 10 and two side plates 11, wherein one side plate 11, the upper supporting plate 6, the other side plate 11 and the lower mounting plate 10 are sequentially connected end to end, a plurality of rib plates 8 are mutually parallel, two ends of each rib plate 8 are respectively fixedly connected with the upper supporting plate 6 and the lower mounting plate 10, the upper supporting plate 6 is provided with a first positioning inserting part, and the lower mounting plate 10 is provided with a slot.

The upper support plate 6, the plurality of rib plates 8, the lower mounting plate 10 and the two side plates 11 form a frame structure, and the rib plates 8 play a role in reinforcing the support strength. And the recess plate assembly is placed on a plurality of rib plates 8, the rib plates 8 also supporting the recess plate assembly.

On the basis of any one of the above schemes, the concave supporting frame 1 further comprises a reinforcing plate 9, the reinforcing plate 9 is fixedly connected with the lower mounting plate 10, and the reinforcing plate 9, the lower mounting plate 10 and a plurality of rib plates 8 enclose the slot.

On the basis of any one of the above schemes, the first positioning plug-in connection part is a mounting hole, and the second positioning plug-in connection part is a pin shaft 7.

Specifically, a plurality of pin shafts 7 are fixed to the upper end of the uppermost concave plate assembly along the length direction, and a plurality of mounting holes corresponding to the pin shafts 7 one by one are formed in the concave plate supporting frame 1.

Preferably, the recess plate assembly is provided with two or three.

Wherein, when concave plate subassembly sets up to two, the structure is more reasonable, and the dismouting process is most convenient.

The present embodiment further provides a threshing machine, which comprises a threshing machine body 14 and the threshing concave capable of being quickly detached and replaced, wherein the concave supporting frame 1 and at least two concave components are both installed in the threshing machine body 14.

The threshing machine can realize the quick replacement of the concave plate assembly, so that the integral threshing concave plate is not needed, and the operation is more convenient and time-saving.

On the basis of the scheme, the threshing machine further comprises a concave adjusting mechanism 12, the concave adjusting mechanism 12 is arranged on the threshing machine body 14, one end of the concave adjusting mechanism is connected with the upper end of the concave supporting frame 1, and the lower end of the concave supporting frame 1 is hinged with the threshing machine body 14.

When the concave assembly is required to be disassembled, the concave supporting frame 1 is firstly adjusted to the position with the largest concave clearance between the threshing cylinder (namely the lowest position of the threshing concave) through the concave adjusting mechanism 12.

The concave adjusting mechanism 12 may be an air cylinder, a hydraulic cylinder or an electric telescopic rod, or may be a connecting rod assembly. The concave adjusting mechanism 12 can drive the concave supporting frame 1 to swing around the hinge of the lower end of the concave supporting frame 1.

On the basis of the scheme, the threshing machine further comprises a sealing plate 13, the side wall of the threshing machine body 14 is provided with a disassembly and assembly opening corresponding to the position of the concave supporting frame 1, and the sealing plate 13 is detachably connected with the disassembly and assembly opening.

The sealing plate 13 shields the dismounting opening during normal threshing, and when the concave plate component needs to be replaced, the sealing plate 13 can be dismounted and the threshing concave plate in the threshing machine body 14 can be operated.

In one specific example, when the threshing concave is assembled, the concave assembly 3 is firstly installed, the fixing nuts 5 are welded on the two side walls of the concave assembly 3, the concave assembly 3 slides to the lower mounting plate 10 at the bottom along the reinforcing plate 9, the reinforcing plate 9 plays a limiting role, and then the concave assembly 3 is fixed with the side plates 11 through the fixing bolts 4. After the lower concave plate assembly 3 is installed in place, the upper concave plate assembly 2 is installed, the pin shaft 7 is welded at the upper end of the upper concave plate assembly 2, the pin shaft 7 is matched and inserted with the installation hole in the upper supporting plate 6, and then after the upper concave plate assembly 2 is installed, the upper concave plate assembly 2 is connected with the side plate 11 through the fixing bolt 4, and the upper concave plate assembly is assembled in place.

When loading, the threshing concave is assembled in advance, and then the concave supporting frame 1 is connected with the concave adjusting mechanism 12 and is arranged on the threshing machine body 14.

When the concave assembly is replaced, the sealing plate 13 is opened first, the concave adjusting mechanism 12 is adjusted to adjust the threshing concave to the position with the largest gap between the concave plates (namely the lowest position of the concave plates), and then the fixing bolt 4 between the concave assembly and the concave supporting frame 1 is disassembled. The upper concave assembly 2 is first disassembled by an operator (the operator drags the bottom of the upper concave assembly 2 from two sides, then moves the upper concave assembly 2 to separate the pin shaft 7 from the mounting hole, finally horizontally moves the upper concave assembly 2 to separate the upper concave assembly 2 from the concave supporting frame 1 and the threshing machine body 14), then the lower concave assembly 3 is pulled out from the side wall of the threshing machine body 14, the lower concave assembly 3 moves out of the slot along the rib plate 8, then the operator lifts the bottom of the lower concave assembly 3 from two sides to separate the lower concave assembly 3 from the concave supporting frame 1, and the lower concave assembly 3 is pulled out from the side wall of the threshing machine body 14.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a but threshing concave plate of quick detach change, its characterized in that, including concave plate support frame (1) and two at least concave plate subassemblies, concave plate support frame (1) lower extreme has the slot, and its upper end is equipped with first location grafting portion, and at least two concave plate subassemblies set up side by side from top to bottom, and the top concave plate subassembly is equipped with second location grafting portion, first location grafting portion with second location grafting portion is pegged graft, and the bottom concave plate subassembly is pegged graft and is established in the slot.

2. A threshing concave which can be quickly removed and replaced according to claim 1, characterized in that it further comprises at least two sets of connecting assemblies, each of which is detachably connected to the concave supporting frame (1) by means of a connecting assembly.

3. A threshing concave which can be quickly detached and replaced according to claim 2, characterized in that the connecting assembly comprises a fixing bolt (4) and a fixing nut (5), the fixing nut (5) is fixedly connected with the side wall of the concave assembly, and one end of the fixing bolt (4) penetrates through the side wall of the concave supporting frame (1) and is in threaded connection with the fixing nut (5).

4. Threshing concave capable of being quickly detached and replaced according to claim 1, characterized in that the concave supporting frame (1) comprises an upper supporting plate (6), a plurality of rib plates (8), a lower mounting plate (10) and two side plates (11), wherein one side plate (11), the upper supporting plate (6), the other side plate (11) and the lower mounting plate (10) are sequentially connected end to end, a plurality of rib plates (8) are mutually parallel, two ends of each rib plate (8) are fixedly connected with the upper supporting plate (6) and the lower mounting plate (10) respectively, the upper supporting plate (6) is provided with the first positioning inserting part, and the lower mounting plate (10) is provided with the inserting groove.

5. The threshing concave capable of being quickly detached and replaced according to claim 4, wherein the concave supporting frame (1) further comprises a reinforcing plate (9), the reinforcing plate (9) is fixedly connected with the lower mounting plate (10), and the reinforcing plate (9), the lower mounting plate (10) and a plurality of rib plates (8) enclose the slot.

6. A threshing concave capable of being quickly detached and replaced according to claim 1, characterized in that the first positioning plug-in connection is a mounting hole, and the second positioning plug-in connection is a pin (7).

7. A threshing concave which is removable and replaceable as claimed in any one of claims 1 to 6 wherein said concave assembly is provided with two or three.

8. Threshing machine, characterized in that it comprises a threshing machine body (14) and a threshing concave which can be quickly detached and replaced according to any one of claims 1-7, said concave supporting frame (1) and at least two concave components being mounted in said threshing machine body (14).

9. Threshing machine according to claim 8, characterized in that the threshing machine further comprises a concave adjusting mechanism (12), the concave adjusting mechanism (12) is mounted on the threshing machine body (14) and one end of the concave adjusting mechanism is connected with the upper end of the concave supporting frame (1), and the lower end of the concave supporting frame (1) is hinged with the threshing machine body (14).

10. Threshing machine according to claim 8, characterized in that the threshing machine further comprises a closing plate (13), the side wall of the threshing machine body (14) is provided with a dismounting opening corresponding to the position of the concave supporting frame (1), and the closing plate (13) is detachably connected with the dismounting opening.