CN217842446U

CN217842446U - Clutch belt wheel self-locking device for agricultural machinery

Info

Publication number: CN217842446U
Application number: CN202221681567.6U
Authority: CN
Inventors: 符仁忠; 王海军
Original assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Current assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-18
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of agricultural machine, a separation and reunion band pulley self-lock device for agricultural machine is related to, including band pulley subassembly, separation and reunion claw subassembly and spline housing, band pulley subassembly and separation and reunion claw subassembly are installed respectively at the non-spline and the spline part of spline housing, be connected with fork assembly on the separation and reunion claw subassembly, fork assembly can drive the separation and reunion claw subassembly under link mechanism's effect and remove about to realize the meshing and the separation of separation and reunion claw subassembly and band pulley subassembly, the last locating part that is used for guaranteeing the engaged state between separation and reunion claw subassembly and the band pulley subassembly that still is equipped with of link mechanism. The utility model discloses a link mechanism removes the clutch pawl subassembly to band pulley subassembly department to the welding round pin axle is used as spacingly on the fixing base, causes the clutch pawl subassembly to leave by oneself, realizes the auto-lock purpose of clutch pulley, has simple structure, convenient operation, and is reliable and stable, is convenient for adjust and change, advantages such as long service life.

Description

Clutch belt wheel self-locking device for agricultural machinery

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to separation and reunion band pulley self-locking device for agricultural machine.

Background

China is a big agricultural country, along with the continuous improvement of people on the level of agricultural mechanization, the small agricultural machinery products widely used in China are more commonly used, at present, along with the continuous improvement of people on the level of life, the rhythm of life is accelerated, and the automation level of people on the design requirement of agricultural machinery is also continuously improved.

The clutch pulley self-locking device in the agricultural machinery is a part which is concerned by people, the clutch pulley self-locking device widely applied in the current market is a spring steel ball self-locking device, the spring action of the device is reduced along with the time, the effectiveness of the device is reduced, and the pulley is easy to automatically disengage and cannot be locked.

Based on the technical problems in the clutch belt wheel self-locking device, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect and not enough that exist among the prior art, a simple structure of design, reliable and stable, the separation and reunion band pulley self-lock device for agricultural machine who conveniently adjusts and change.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a separation and reunion band pulley self-lock device for agricultural machine, includes band pulley subassembly, separation and reunion claw subassembly and spline housing, non-spline and the spline part at the spline housing are installed respectively to band pulley subassembly and separation and reunion claw subassembly, be connected with fork assembly on the separation and reunion claw subassembly, fork assembly can drive separation and reunion claw subassembly under link mechanism's effect and remove about to realize the meshing and the separation of separation and reunion claw subassembly and band pulley subassembly, link mechanism is last still to be equipped with the locating part that is used for guaranteeing the engaged state between separation and reunion claw subassembly and the band pulley subassembly.

Preferably, the belt wheel assembly is connected to the non-spline part of the spline housing through a deep groove ball bearing, and one end of the belt wheel assembly, which is far away from the clutch pawl assembly, is limited through a shaft retainer ring.

Preferably, the belt wheel assembly is provided with clutch teeth matched with the clutch claw on the clutch claw assembly, and the clutch claw assembly is internally provided with spline grooves matched with the spline part of the spline housing.

Preferably, the shifting fork assembly comprises a shifting fork pin connected with a bearing stop ring on the clutch pawl assembly, and the shifting fork pin is connected with the link mechanism through a shifting fork rotating shaft.

Preferably, link mechanism includes the fixing base and sets up the handle on the fixing base, the handle is dialled the board through the connecting rod and shift fork and is rotated and be connected, the shift fork is dialled the board and can be driven fork assembly and rotate.

Preferably, a plurality of limiting pin shafts are arranged on the fixing seat.

Preferably, the damping plates are arranged on two sides of the handle, and the wave-shaped elastic cushion is arranged between the handle and the connecting rod.

After the technical scheme is adopted, the utility model provides a pair of a separation and reunion band pulley self-locking device for agricultural machine has following beneficial effect:

(1) The utility model does not adopt parts such as springs, thereby avoiding the problem of easy failure after long-time use;

(2) The shifting fork pin is inserted into the bearing retaining ring, the shifting fork rotating shaft is driven to rotate through the rotation of the handle, so that the bearing retaining ring is moved, and the clutch claw is stably moved on the spline sleeve;

(3) The damping plate and the wave-shaped elastic pad are additionally arranged on the two sides of the handle, so that the device is convenient to adjust, and the handle can not be rotated difficultly or easily;

(4) The utility model discloses the assembly is simple, is convenient for change.

Drawings

Fig. 1 is a schematic structural view of a clutch pulley self-locking device for agricultural machinery of the present invention;

fig. 2 is a schematic diagram of a clutch belt wheel self-locking device for agricultural machinery of the present invention;

FIG. 3 is a schematic view of the clutch pawl assembly engaged with the pulley assembly according to the present invention;

fig. 4 is a schematic view of the state of the clutch pawl assembly and the pulley assembly when they are separated.

Wherein: the belt wheel component 1, the clutch claw component 2, the spline housing 3, the fixed seat 4, the large flat pad 5, the damping plate 6, the handle 7, the wave-shaped elastic pad 8, the nut 9, the sliding rail 10, the connecting rod 11, the pin shaft 11, the flat pad 12, the split pin 13, the shifting fork shifting plate 14, the sliding bearing 15, the shifting fork rotating shaft 16, the shifting fork pin 17, the bolt 18, the elastic pad 19, the bolt 20, the shaft check ring 21 and the limit pin 22.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The utility model relates to a separation and reunion band pulley self-locking device for agricultural machine, as shown in figure 1, including band pulley subassembly 1, separation and reunion claw subassembly 2, spline housing 3, fixing base 4, big flat pad 5, damping plate 6, handle 7, wave form bullet pad 8, nut 9, slide rail 10, connecting rod 11, round pin axle 11, flat pad 12, split pin 13, shift fork dial plate 14, slide bearing 15, shift fork pivot 16, shift fork pin 17, bolt 18, bullet pad 19, bolt 20, for the shaft retaining ring 21 and stop pin axle 22.

Band pulley subassembly 1 and separation and reunion claw subassembly 2 are installed respectively at the non-spline and the spline part of spline housing 3, and is concrete, band pulley subassembly 1 is connected at the non-spline part of spline housing 3 through deep groove ball bearing, and its one end of keeping away from separation and reunion claw subassembly 2 carries on spacingly through for the shaft retaining ring 21, be equipped with on band pulley subassembly 1 with separation and reunion claw subassembly 2 on separation and reunion claw matched with separation and reunion tooth, be equipped with in the separation and reunion claw subassembly 2 with spline housing 3 spline part matched with spline groove, separation and reunion claw subassembly 2 can carry out free removal about in the spline part of spline housing 3.

Further, be connected with fork assembly on the separation and reunion claw subassembly 2, fork assembly can drive separation and reunion claw subassembly 2 under link mechanism's effect and remove about, thereby realizes the meshing and the separation of separation and reunion claw subassembly 2 and band pulley subassembly 1, and when separation and reunion claw subassembly 2 and band pulley subassembly 1 meshing, band pulley subassembly 1 keeps the same motion with spline housing 3, and when separation and reunion claw subassembly 2 and band pulley subassembly 1 separate, band pulley subassembly 1 keeps relative motion with spline housing 3, specifically, fork assembly includes the shift fork pin 17 that is connected with the bearing retainer ring on separation and reunion claw subassembly 2, shift fork pin 17 is connected with link mechanism through shift fork pivot 16, link mechanism includes fixing base 4 and the handle 7 of setting on fixing base 4, handle 7 rotates with shift fork dial plate 14 through connecting rod 10, shift fork dial plate 14 can drive fork assembly and rotate, i.e. the removal of separation and reunion claw subassembly 2 is controlled by shift fork pivot 16 and shift fork pin 17 directly, and the rotation of shift fork pivot 16 is controlled by link mechanism, i.e. handle 7, connecting rod 10 and shift fork dial plate 14.

Further, the link mechanism is further provided with a limiting part for ensuring the meshing state between the clutch pawl assembly 2 and the belt pulley assembly 1, and specifically, the fixing seat 4 is provided with a plurality of limiting pin shafts 22 for limiting.

Further, handle 7 both sides all are equipped with damping plate 6, and are equipped with wave form bullet pad 8 between handle 7 and the connecting rod 10, so design can make the device be convenient for adjust, makes the handle can not take place to be difficult to rotate or the light pivoted condition simultaneously.

The utility model relates to a principle sketch of separation and reunion band pulley self-locking device for agricultural machine is shown in fig. 2, wherein show the utility model discloses a two extreme positions, first extreme position is shown in fig. 3, band pulley subassembly 1 meshes together with separation and reunion claw subassembly 2 this moment, and shift fork pin 17 is located shift fork pivot 16's left side below, separation and reunion claw subassembly 2 keeps the axial force of separating with band pulley subassembly 1 throughout at the during operation, this axial force makes shift fork pin 17 move to the direction of keeping away from band pulley combination 1, and then drive shift fork pivot 16 anticlockwise rotation, when this extreme state, handle 7 and connecting rod 10 are located same straight line, can't make shift fork pivot 16 carry out anticlockwise rotation, so band pulley subassembly 1 keeps the engaged state with separation and reunion claw subassembly 2, can't throw off by oneself, realize the auto-lock; the second limit position is shown in fig. 4, at this time, the clutch pawl assembly 2 and the pulley assembly 1 are kept in a separated state, and a pin 22 is arranged at the left lower side of the mounting seat, so that the connecting rod 10 and the shifting fork poking plate 14 cannot be in a straight line state, namely, cannot reach a dead point state, and the handle 7 is prevented from being incapable of rotating.

To sum up, the utility model provides a pair of separation and reunion band pulley self-locking device for agricultural machine removes separation and reunion claw subassembly to band pulley subassembly department through link mechanism to the welding pin axle is used as spacingly on the fixing base, causes the separation and reunion claw subassembly can not leave by oneself, realizes the auto-lock purpose of separation and reunion band pulley, has simple structure, convenient operation, and is reliable and stable, is convenient for adjust and change, advantages such as long service life have very big market value, are worth extensively popularizing and applying.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a separation and reunion band pulley self-lock device for agricultural machine, includes band pulley subassembly (1), separation and reunion claw subassembly (2) and spline housing (3), its characterized in that: the belt wheel assembly (1) and the clutch pawl assembly (2) are respectively installed on a non-spline part and a spline part of the spline sleeve (3), a shifting fork assembly is connected to the clutch pawl assembly (2), the shifting fork assembly can drive the clutch pawl assembly (2) to move left and right under the action of a connecting rod mechanism, so that the clutch pawl assembly (2) and the belt wheel assembly (1) are meshed and separated, and a limiting part used for guaranteeing the meshing state between the clutch pawl assembly (2) and the belt wheel assembly (1) is further arranged on the connecting rod mechanism.

2. The clutch pulley self-locking device for agricultural machines of claim 1, wherein: the belt wheel assembly (1) is connected to the non-spline part of the spline housing (3) through a deep groove ball bearing, and one end, far away from the clutch pawl assembly (2), of the belt wheel assembly is limited through a retaining ring (21) for a shaft.

3. The clutch pulley self-locking device for agricultural machines of claim 1, wherein: the belt wheel assembly (1) is provided with clutch teeth matched with the clutch claw on the clutch claw assembly (2), and the clutch claw assembly (2) is internally provided with a spline groove matched with the spline part of the spline housing (3).

4. The clutch pulley self-locking device for agricultural machines of claim 1, wherein: the shifting fork assembly comprises a shifting fork pin (17) connected with a bearing retaining ring on the clutch claw assembly (2), and the shifting fork pin (17) is connected with the link mechanism through a shifting fork rotating shaft (16).

5. The clutch pulley self-locking device for agricultural machines of claim 1, wherein: link mechanism includes fixing base (4) and sets up handle (7) on fixing base (4), handle (7) are dialled board (14) through connecting rod (10) and shift fork and are rotated and be connected, the shift fork is dialled board (14) and can be driven fork assembly and rotate.

6. The clutch pulley self-locking device for agricultural machines of claim 5, wherein: and a plurality of limiting pin shafts (22) are arranged on the fixed seat (4).

7. The clutch pulley self-locking device for agricultural machines of claim 5, wherein: the damping plate (6) is arranged on each of two sides of the handle (7), and the wave-shaped elastic pad (8) is arranged between the handle (7) and the connecting rod (10).