CN220060302U - A double-section transmission device - Google Patents

Abstract

The utility model relates to a double-section transmission device, which belongs to the technical field of agricultural mechanical equipment and comprises: the tractor comprises a first power output shaft and a lower pull rod which are arranged at the rear end of the tractor, and the bundling machine comprises a traction beam which is arranged at the front end of the tractor, wherein the front end of the traction beam is hinged with the tail end of the lower pull rod, the rear end of the traction beam is hinged with the bundling mechanism, a double-section transmission mechanism is arranged between the tractor and the bundling machine and used for transmitting rotary power of the first power output shaft to the bundling mechanism, the double-section transmission mechanism comprises a secondary transmission assembly arranged on the traction beam, a front transmission shaft arranged at the front end of the secondary transmission assembly and a rear transmission shaft arranged at the rear end of the secondary transmission assembly, and during working, PTO power on the tractor is transmitted to the bundling machine through the double-section transmission mechanism, so that the device is more flexible to use, and the power transmission is more stable and can carry out related operation under severe working conditions of the bundling machine.

Description

A double-section transmission device

Technical field

The utility model relates to the technical field of agricultural machinery and equipment, in particular to a double-section transmission device.

Background technique

At present, almost all known suspension connection methods between tractors and balers utilize the tractor's own suspension connection mechanism. Since the tractor's own suspension connection mechanism uses an integrated pull rod with adjustable length, the upper pull rod is installed on the rear nose of the tractor, and the universal joint drive shaft that connects the tractor and the baler is installed on the rear power output shaft of the tractor. and on the power input shaft of the baler.

However, domestic and foreign brands of square straw bale baler equipment use a single-section transmission shaft to transmit the tractor PTO power to the baler. The tractor's power is transmitted to the baler through the transmission shaft. This is subject to its own structural limitations and the influence of ground ridges and furrows. , the baling machine has poor passability and is easy to scratch the machine. Moreover, when the working conditions of the baler are severe, a single-section transmission shaft is used to transmit the tractor PTO power to the baler. Due to its own structural limitations, the lifting height of the baler is limited and its obstacle-surmounting ability is poor.

Utility model content

The purpose of this utility model is to provide a double-section transmission device to solve the problem that the existing single-section transmission shaft is used to transmit the tractor PTO power to the baler. The tractor's power is transmitted to the baler through the transmission shaft, which is limited by its own structure. , the lifting height of the baler is limited and the ability to overcome obstacles is poor.

The technical solution of the present utility model is implemented in the following manner:

A double-section transmission device includes: a tractor including a first power output shaft and a lower pull rod located at its rear end; a baler including a tractor beam located at its front end; and the front end of the tractor beam is connected to the lower pull rod. The end of the pull rod is hinged, and the rear end is hinged with the baling mechanism. A double-section transmission mechanism is located between the tractor and the baling machine and is used to transmit the rotational power of the first power output shaft to the baling machine. mechanism;

Wherein, the double-section transmission mechanism includes a secondary transmission assembly located on the traction beam, a front transmission shaft located at the front end of the secondary transmission assembly, and a rear transmission shaft located at the rear end of the secondary transmission assembly. Transmission shaft, the secondary transmission assembly is used for power transmission between the front transmission shaft and the rear transmission shaft. The front end of the front transmission shaft is connected to the end of the first power output shaft, and the rear end is connected to the secondary transmission shaft. The front end of the transmission assembly is connected, the front end of the rear transmission shaft is connected to the rear end of the secondary transmission assembly, and the rear end is connected to the power input end of the bundling mechanism.

Preferably, the tractor beam is provided with stowable support legs.

Preferably, the secondary transmission assembly includes a connecting member and a mounting base. The mounting base is fixed on the traction beam along the vertical direction of the traction beam. The connecting member is provided on the mounting base. superior.

Preferably, the tractor beam is provided with a guardrail.

Preferably, a connecting block is provided at the front end of the traction beam, and an end of the connecting block away from the traction beam is connected to a hooking plate, and the hooking plate and the lower pull rod are connected together through a pin.

Preferably, the baler is provided with a rotating member, and the rear transmission shaft is connected to the baler through the rotating member.

The beneficial effects of this utility model are:

1. When working, the PTO power on the tractor is transmitted to the baler through the double-section transmission mechanism, making the device more flexible to use, the power transmission more stable, and the baler can perform related tasks under harsh working conditions. Operation.

2. A double-section transmission mechanism is installed to increase the ground clearance of the baler and improve the baler's obstacle-surmounting ability.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the double-section transmission device in use in the embodiment of the present application.

FIG. 2 is a partially enlarged structural schematic diagram of position A in FIG. 1 in an embodiment of the present application.

Figure 3 is a partial structural schematic diagram of an embodiment of the present application.

Reference number:

1. Tractor; 11. First power output shaft; 12. Lower pull rod; 2. Baler; 21. Traction beam; 211. Support leg; 212. Connecting block; 3. Double-section transmission mechanism; 31. Front transmission Shaft; 32. Secondary transmission assembly; 321. Connecting components; 322. Installation base; 33. Rear transmission shaft; 4. Guardrail; 5. Hooking plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation. , is constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

The embodiment of the present application provides a double-section transmission device, as shown in Figures 1 and 2, including: a tractor 1, including a first power output shaft 11 and a lower pull rod 12 located at its rear end, a baler 2, It includes a traction beam 21 at its front end, and the front end of the traction beam 21 is hinged with the end of the lower pull rod 12, and the rear end is hinged with the baling mechanism. Between the baling machine 2, it is used to transmit the rotational power of the first power output shaft 11 to the baling mechanism;

Wherein, the double-section transmission mechanism 3 includes a secondary transmission assembly 32 located on the traction beam 21, a front transmission shaft 31 located at the front end of the secondary transmission assembly 32, and a front transmission shaft 31 located at the front end of the secondary transmission assembly 32. The rear transmission shaft 33 at the rear end of the assembly 32. The secondary transmission assembly 32 is used for power transmission between the front transmission shaft 31 and the rear transmission shaft 33. The front end of the front transmission shaft 31 and the first power output shaft The end of 11 is connected, the rear end is connected with the front end of the secondary transmission assembly 32, the front end of the rear transmission shaft 33 is connected with the rear end of the secondary transmission assembly 32, and the rear end is connected with the bundling mechanism The power input terminal is connected.

Utilizing the mutual cooperation between the front drive shaft 31, the secondary drive assembly 32 and the rear drive shaft 33, the connection between the tractor 1 and the baler 2 is completed, so that the power of the tractor 1 can be used to complete the connection of the baler 2 transportation. By arranging the double-section transmission mechanism 3, the transportation between the tractor 1 and the baler 2 is made more convenient.

It should be noted that the tractor 1 can be replaced by a traditional tractor, or other transportation equipment that can provide power to the baler 2. In this application, a tractor is preferably used. The tractor is equipped with PTO power. When the baler 2 is required to operate, the PTO power is transmitted to the baler 2 through the secondary transmission assembly 32. Compared with the traditional single-section transmission shaft, the tractor PTO power is transmitted to the baler 2. On the baler, a new secondary transmission assembly 32 and a rear transmission shaft 33 are added, making the transmission shaft shorter, providing greater flexibility between the front transmission shaft 31 and the rear transmission shaft 33, and making power transmission smoother. By adding the secondary transmission assembly 32, the ground clearance of the baler 2 is increased, the obstacle surmounting ability of the baler 2 is improved, and the passability of the baler 2 is improved. At the same time, it also makes the baler 2 more adaptable and reduces the difficulty of operation when facing harsh operating environments.

In this embodiment, referring to FIG. 1 , the tractor beam 21 is provided with stowable support legs 211 . Support legs 211 are provided, and the support legs 211 can be retracted or retracted according to the usage scenario. When not working, the supporting legs 211 are used to support the entire device and the device is placed firmly on the ground. When operations are required, the supporting legs 211 are stored to save space and facilitate subsequent operations. .

In this embodiment, referring to FIG. 3 , in this embodiment, the secondary transmission assembly 32 includes a connecting member 321 and a mounting base 322 . The mounting base 322 is along the vertical direction of the traction beam 21 Fixed on the traction beam 21 , the connecting member 321 is provided on the mounting base 322 .

Among them, the existing transmission shaft is divided into a front transmission shaft 31 and a rear transmission shaft 33 by setting up a secondary transmission assembly 32, thereby making the transmission shaft shorter and the power transmission more stable. It should be noted that the connecting member 321 includes a shell, a bearing, an end cover and a connecting shaft. The mounting base 322 is set on the traction beam 21, the shell and the mounting base 322 are connected through bolts, and the connecting shaft is installed on On the housing, there are two bearings, and the two bearings are located at both ends of the connecting shaft. The end caps are set outside the bearings. The bearings are protected by setting the end caps. At the same time, the cooperation of the bearings and the connecting shaft is used to complete the front transmission. The connection between shaft 31 and rear drive shaft 33. Utilizing the transmission of the first power output shaft 11 and the lower pull rod 12 and the cooperation between the secondary transmission assembly 32 and the tractor beam 21, the tractor 1 can conveniently perform relevant operations on the baler 2, making transportation more convenient. For convenience, it can handle more complex tasks.

In this embodiment, the traction beam 21 is provided with a guardrail 4. The guardrail 4 is provided to protect the human body, so that the human body is in a safe operating environment and prevents the baler 2 from Cause harm to human body.

In this embodiment, the front end of the tractor beam 21 is provided with a connecting block 212, and an end of the connecting block 212 away from the tractor beam 21 is connected to a hooking plate 5. The hooking plate 5 is connected to the lower pull rod. 12 are connected together through pins. By arranging the connecting block 212 and the hooking plate 5, the flexibility of the connection between the lower rod 12 and the tractor beam 21 is enhanced, and the connection between the lower rod 12 and the tractor beam 21 can be flexibly changed according to different road conditions to perform different angles. The slight rotation makes the device more convenient during transportation.

In this embodiment, the baler 2 is provided with a rotating member, and the rear transmission shaft 33 is connected to the baler 2 through the rotating member. By arranging the rotating member, the rear transmission shaft 33 and the baler 2 are connected. The rotating member is a flywheel assembly. The working principle of the flywheel assembly is well known in the art, so it is not introduced in detail in this application.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (6)

1. A double-section transmission device, characterized in that it includes: Tractor (1), the rear end of the tractor (1) is provided with a first power output shaft (11) and a lower pull rod (12); Baling machine (2), the front end of the baling machine (2) is provided with a traction beam (21), the front end of the traction beam (21) is hinged with the end of the lower pull rod (12), and the rear end is connected to the baling mechanism articulated; A double-section transmission mechanism (3) is located between the tractor (1) and the baling machine (2), and is used to transmit the rotational power of the first power output shaft (11) to the baling mechanism. ; Wherein, the double-section transmission mechanism (3) includes a secondary transmission assembly (32) provided on the traction beam (21), and a front transmission shaft (32) provided at the front end of the secondary transmission assembly (32). 31) and the rear drive shaft (33) at the rear end. The secondary drive assembly (32) is used for power transmission between the front drive shaft (31) and the rear drive shaft (33). The front drive shaft (31) ) The front end is connected to the end of the first power output shaft (11), the rear end is connected to the front end of the secondary transmission assembly (32), and the front end of the rear transmission shaft (33) is connected to the secondary transmission assembly. The rear end of the assembly (32) is connected, and the rear end is connected with the power input end of the bundling mechanism. 2. A double-section transmission device according to claim 1, characterized in that retractable support legs (211) are provided on the traction beam (21). 3. A double-section transmission device according to claim 1, characterized in that the secondary transmission assembly (32) includes a connecting member (321) and a mounting base (322), and the mounting base (322) 322) is fixed on the tractor beam (21) along the vertical direction of the tractor beam (21), and the connecting member (321) is provided on the installation base (322). 4. A double-section transmission device according to any one of claims 1 to 3, characterized in that a guardrail (4) is provided on the traction beam (21). 5. A double-section transmission device according to claim 2, characterized in that a connecting block (212) is provided at the front end of the traction beam (21), and the connecting block (212) is away from the traction beam (212). A hooking plate (5) is connected to one end of 21), and the hooking plate (5) and the lower pull rod (12) are connected together through a pin. 6. A double-section transmission device according to claim 5, characterized in that the baling machine (2) is provided with a rotating member, and the rear transmission shaft (33) is connected to the baling machine through the rotating member. Machine (2) is connected.