Clutch return structure

Abstract

The utility model provides a clutch return structure which comprises a main clutch combination driving oil cylinder and a transmission rod, the main clutch combination driving oil cylinder drives the transmission rod to conduct tightening action, a clutch connecting rod is installed on the transmission rod, and the clutch connecting rod is used for being connected with a clutch. By arranging the flameout clutch disconnection driving device, when an engine is in a normal working state, the main clutch combination driving oil cylinder shrinks, the driving spring is in a compressed state, when the engine suddenly flames out, the driving spring is released, and the engine is driven to stop working. And the transmission rod moves to push the clutch of the load to be disconnected, so that the load is disconnected, the engine is in an idle state at the moment, and the engine is in a no-load starting state when restarted, the engine can be effectively protected, and compared with the prior art, the service life of the engine is longer, and the cost is indirectly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of clutch return, in particular to a clutch return structure. Background Art

[0002] In a corn harvester, whether the clutch returns normally is directly related to the normal operation of the machine. When the corn harvester engine is started, the clutch needs good return performance to ensure that power can be smoothly transmitted from the engine to the cutting device, conveying device, threshing device and other working parts. In order to facilitate operation, some large corn harvesters may use a hydraulic power-assisted clutch system.

[0003] When the existing equipment is in use, if the engine suddenly shuts down and is restarted, the engine is in a load starting state because the power connection of the working parts is not cut off. This makes it difficult to start the engine, the success rate of starting is low, and the engine is seriously damaged. Utility Model Content

[0004] The purpose of the utility model is achieved through the following technical measures: a clutch return structure, including a main clutch combined driving cylinder and a transmission rod, the main clutch combined driving cylinder drives the transmission rod to tighten, a clutch connecting rod is installed on the transmission rod, the clutch connecting rod is used to be connected to the clutch, a flameout clutch disconnecting drive device and a connecting buffer assembly are installed on the transmission rod, the transmission rod includes a first transmission rod and a second transmission rod, the first transmission rod and the second transmission rod are fixedly connected, the flameout clutch disconnecting drive device is installed on the first transmission rod, and the connecting buffer assembly is installed on the second transmission rod.

[0005] As a preferred solution: one end of the clutch connecting rod is sleeved on the second transmission rod, and the other end of the clutch connecting rod is used to connect with the clutch pull rod.

[0006] As a preferred solution: the flameout clutch disconnect drive device includes a drive spring, a first baffle and a second baffle, the drive spring is arranged between the first baffle and the second baffle, the first baffle is fixedly connected to the main clutch combined drive cylinder, and the second baffle is fixedly connected to the first transmission rod.

[0007] As a preferred solution: the connection buffer assembly includes a first buffer assembly and a second buffer assembly, and one end of the clutch connecting rod sleeved on the second transmission rod is arranged between the first buffer assembly and the second buffer assembly.

[0008] As a preferred solution: the first buffer assembly includes a first buffer spring and a first buffer baffle, the first buffer spring is arranged between the clutch connecting rod and the first buffer baffle, the first buffer spring is sleeved on the second transmission rod, and the first buffer baffle is fixedly installed on one end of the second transmission rod away from the main clutch engagement drive cylinder.

[0009] As a preferred solution: the second buffer assembly includes a second buffer spring and a second buffer baffle, the second buffer spring is arranged between the clutch connecting rod and the second buffer baffle, the second buffer spring is sleeved on the second transmission rod, and the second buffer baffle is fixedly installed on the end of the second transmission rod away from the first buffer baffle.

[0010] As a preferred solution: the main clutch combined drive cylinder is fixedly connected to a connecting plate at one end away from the transmission rod, and a connecting hole is opened on the connecting plate, and the connecting plate is movably connected to the frame through the connecting hole.

[0011] As a preferred solution: a mounting hole is provided at one end of the clutch connecting rod away from the transmission rod, and the mounting hole is used for rotationally connecting with the pull rod of the clutch.

[0012] Due to the adoption of the above technical solution, compared with the prior art, the advantages of the present invention are:

[0013] The present application sets up a flameout clutch disconnect drive device. When the engine is in normal working condition, the main clutch combines with the driving cylinder to contract, causing the driving spring to be in a compressed state. When the engine suddenly stalls, the driving spring is released, causing the transmission rod to move and push the clutch of the load to disconnect, thereby disconnecting the load. At this time, the engine is in an idle state. When the engine is started again, it is in a no-load starting state, which can effectively protect the engine. Compared with the existing technology, the service life of the engine is longer, and the cost is indirectly reduced.

[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attachment Figure 1 It is a stereoscopic diagram of a clutch return structure of the present utility model.

[0016] Attachment Figure 2 It is a front view of the present utility model.

[0017] Attachment Figure 3 It is a partial structural diagram of the utility model.

[0018] Attachment Figure 4 It is a schematic diagram of the flameout clutch disconnect drive device and related components of the utility model.

[0019] Attachment Figure 5It is a schematic diagram of the connection buffer assembly and related components of the utility model. DETAILED DESCRIPTION

[0020] Example: As shown in the attached Figure 1 To the attached Figure 5 As shown, a clutch return structure includes a main clutch combined drive cylinder 1 and a transmission rod 2, the main clutch combined drive cylinder 1 drives the transmission rod 2 to tighten, a clutch connecting rod 3 is installed on the transmission rod 2, the clutch connecting rod 3 is used to connect with the clutch, a flameout clutch disconnect drive device 4 and a connection buffer assembly 5 are installed on the transmission rod 2, the transmission rod 2 includes a first transmission rod 21 and a second transmission rod 22, the first transmission rod 21 and the second transmission rod 22 are fixedly connected, the flameout clutch disconnect drive device 4 is installed on the first transmission rod 21, and the connection buffer assembly 5 is installed on the second transmission rod 22.

[0021] One end of the clutch connecting rod 3 is sleeved on the second transmission rod 22, and the other end of the clutch connecting rod 3 is used to connect with the clutch pull rod.

[0022] The flameout clutch disconnect drive device 4 includes a drive spring 41, a first baffle 42 and a second baffle 43. The drive spring 41 is arranged between the first baffle 42 and the second baffle 43. The first baffle 42 is fixedly connected to the main clutch combined drive cylinder 1, and the second baffle 43 is fixedly connected to the first transmission rod 21.

[0023] It should be noted that when the engine is operating normally, the main clutch and the driving cylinder 1 are in a retracted state and the driving spring 41 is in a compressed state. The power of the main clutch and the driving cylinder 1 comes from the engine. When the engine suddenly stalls, the main clutch and the driving cylinder 1 lose power and the driving spring 41 is released.

[0024] The connection buffer assembly 5 includes a first buffer assembly 51 and a second buffer assembly 52 , and one end of the clutch connecting rod 3 sleeved on the second transmission rod 22 is arranged between the first buffer assembly 51 and the second buffer assembly 52 .

[0025] The first buffer assembly 51 includes a first buffer spring 511 and a first buffer baffle 512. The first buffer spring 511 is arranged between the clutch connecting rod 3 and the first buffer baffle 512. The first buffer spring 511 is sleeved on the second transmission rod 22. The first buffer baffle 512 is fixedly installed on the end of the second transmission rod 22 away from the main clutch engagement drive cylinder 1.

[0026] The second buffer assembly 52 includes a second buffer spring 521 and a second buffer baffle 522. The second buffer spring 521 is arranged between the clutch connecting rod 3 and the second buffer baffle 522. The second buffer spring 521 is sleeved on the second transmission rod 22. The second buffer baffle 522 is fixedly installed on one end of the second transmission rod 22 away from the first buffer baffle 512.

[0027] The end of the main clutch combined driving oil cylinder 1 away from the transmission rod 2 is fixedly connected to a connecting plate 6, and a connecting hole 61 is opened on the connecting plate 6. The connecting plate 6 is movably connected to the frame through the connecting hole 61.

[0028] A mounting hole 31 is formed at one end of the clutch connecting rod 3 away from the transmission rod 2 , and the mounting hole 31 is used for rotationally connecting with the pull rod of the clutch.

Claims

1. A clutch return structure, characterized in that: The invention comprises a main clutch combined drive cylinder (1) and a transmission rod (2), wherein the main clutch combined drive cylinder (1) drives the transmission rod (2) to perform a tightening action, a clutch connecting rod (3) is installed on the transmission rod (2), and the clutch connecting rod (3) is used to connect with the clutch, and a flameout clutch disconnection drive device (4) and a connection buffer assembly (5) are installed on the transmission rod (2), wherein the transmission rod (2) comprises a first transmission rod (21) and a second transmission rod (22), wherein the first transmission rod (21) and the second transmission rod (22) are fixedly connected, the flameout clutch disconnection drive device (4) is installed on the first transmission rod (21), and the connection buffer assembly (5) is installed on the second transmission rod (22).

2. The clutch return structure according to claim 1, characterized in that: One end of the clutch connecting rod (3) is sleeved on the second transmission rod (22), and the other end of the clutch connecting rod (3) is used to connect to the clutch pull rod.

3. The clutch return structure according to claim 2, characterized in that: The flameout clutch disconnect drive device (4) comprises a drive spring (41), a first baffle (42) and a second baffle (43), wherein the drive spring (41) is arranged between the first baffle (42) and the second baffle (43), the first baffle (42) is fixedly connected to the main clutch combined drive cylinder (1), and the second baffle (43) is fixedly connected to the first transmission rod (21).

4. The clutch return structure according to claim 2, characterized in that: The connection buffer assembly (5) comprises a first buffer assembly (51) and a second buffer assembly (52), and one end of the clutch connection rod (3) sleeved on the second transmission rod (22) is arranged between the first buffer assembly (51) and the second buffer assembly (52).

5. The clutch return structure according to claim 4, characterized in that: The first buffer assembly (51) comprises a first buffer spring (511) and a first buffer baffle (512), wherein the first buffer spring (511) is arranged between the clutch connecting rod (3) and the first buffer baffle (512), the first buffer spring (511) is sleeved on the second transmission rod (22), and the first buffer baffle (512) is fixedly mounted on an end of the second transmission rod (22) away from the main clutch combined drive cylinder (1).

6. The clutch return structure according to claim 5, characterized in that: The second buffer assembly (52) comprises a second buffer spring (521) and a second buffer baffle (522), wherein the second buffer spring (521) is arranged between the clutch connecting rod (3) and the second buffer baffle (522), the second buffer spring (521) is sleeved on the second transmission rod (22), and the second buffer baffle (522) is fixedly mounted on an end of the second transmission rod (22) away from the first buffer baffle (512).

7. The clutch return structure according to any one of claims 1 to 6, characterized in that: One end of the main clutch combined drive oil cylinder (1) away from the transmission rod (2) is fixedly connected to a connecting plate (6), a connecting hole (61) is provided on the connecting plate (6), and the connecting plate (6) is movably connected to the frame through the connecting hole (61).

8. The clutch return structure according to claim 7, characterized in that: An installation hole (31) is provided at one end of the clutch connecting rod (3) away from the transmission rod (2), and the installation hole (31) is used for rotationally connecting with the pull rod of the clutch.

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