CN219932774U - Transmission assembly of multi-cylinder tractor - Google Patents

Abstract

The utility model relates to a transmission assembly of a multi-cylinder tractor, which comprises the tractor and a front machine, and further comprises a transmission structure, wherein the transmission structure comprises a power shaft transmission mechanism, a transmission flexible shaft and a second bearing seat, the power shaft transmission mechanism is respectively connected with a power output shaft and the transmission flexible shaft of the tractor, so that torque of the power output shaft of the tractor is transmitted to the transmission flexible shaft, the second bearing seat is arranged on the front machine, and the transmission flexible shaft penetrates through the second bearing seat and is connected with a power input shaft of the front machine, so that torque of the transmission flexible shaft is transmitted to the power input shaft of the front machine. The front-mounted machine arranged on the tractor is convenient to avoid a cylinder and an oil tank of the tractor when being connected with a power output shaft of the tractor through the arrangement of the transmission flexible shaft; through the setting of transmission structure for the leading machinery of installation on the tractor can practice thrift installation time when being connected with the power output shaft of tractor, reduces installation cost.

Description

Transmission assembly of multi-cylinder tractor

Technical Field

The utility model relates to the technical field of agricultural tractors, in particular to a transmission assembly of a multi-cylinder tractor.

Background

The multi-cylinder tractor used in farmland cultivation is rear power output, when a front-mounted cultivation machine is driven, the output torque of the rear power output shaft is required to output power to the front end by utilizing a telescopic transmission shaft, and finally the rear power output shaft is connected with the output shaft of the front-mounted machine to realize power output.

However, the following problems exist in the implementation process of transmitting the power output of the multi-cylinder tractor to the front machine by using the telescopic transmission shaft: 1. because the body length of the multi-cylinder tractor is different, especially for multi-cylinder tractors with more than 100 horsepower, the length of the matched telescopic transmission shaft is insufficient, so that connection and installation cannot be carried out; 2. the oil tank cylinder position of the part-model multi-cylinder tractor prevents the installation of the telescopic transmission shaft, so that the multi-cylinder tractor cannot transmit power to the front-mounted cultivation machinery by utilizing the telescopic transmission shaft; 3. when installing flexible transmission shaft, need the staff to assist the user to install to it is comparatively complicated at the installation connection process.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a transmission assembly of a multi-cylinder tractor.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the transmission assembly of the multi-cylinder tractor comprises a tractor, a front machine, a transmission structure, a driving device and a driving device, wherein the transmission structure comprises a power shaft transmission mechanism, a transmission flexible shaft and a second bearing,

the power shaft transmission mechanism is respectively connected with a power output shaft of the tractor and one end of the transmission flexible shaft, so that torque of the power output shaft of the tractor is transmitted to the transmission flexible shaft, the second bearing is arranged on the front-end machine, and the other end of the transmission flexible shaft and the power input shaft of the front-end machine extend into the second bearing seat and are detachably connected and fixed with the second bearing seat, so that torque of the transmission flexible shaft is transmitted to the power input shaft of the front-end machine.

Preferably, the power shaft transmission mechanism comprises a first transmission wheel, a second transmission wheel and a transmission belt, wherein the first transmission wheel is connected with a power output shaft of the tractor, the second transmission wheel is connected with one end of a transmission flexible shaft, and the transmission belt is sleeved outside the first transmission wheel and the second transmission wheel and is in transmission connection with the first transmission wheel and the second transmission wheel.

In a further preferred embodiment, the first drive wheel comprises a sleeve and a pulley, the pulley being fixed at one end of the sleeve in driving connection with the drive belt, the sleeve being provided in a hollow tubular structure.

In a further preferred embodiment, the power shaft transmission mechanism further includes an extension shaft sleeve, one end of the extension shaft sleeve is sleeved on the power output shaft of the tractor and fixed with the power output shaft, and the other end of the extension shaft sleeve extends into the sleeve and is fixed with the sleeve.

In a further preferred embodiment, the power shaft transmission mechanism further includes a first bearing seat mounted and fixed on the body of the tractor, and opposite ends of the second transmission wheel and the transmission flexible shaft extend into the first bearing seat and are detachably connected and fixed with the first bearing seat.

In a further preferred embodiment, the front-end machine is configured as a harvester, pit, fertilizer distributor, grinder or straw returning machine.

(III) beneficial effects

Compared with the prior art, the utility model provides a transmission assembly of a multi-cylinder tractor, which has the following beneficial effects:

1. according to the utility model, through the arrangement of the transmission flexible shaft in the transmission structure, when the front-mounted machine mounted on the tractor is connected with the power output shaft of the tractor, the front-mounted machine is convenient to avoid the cylinder and the oil tank of the tractor, and the front-mounted machine is convenient to connect and mount.

2. According to the utility model, through the arrangement of the transmission structure, when the front-end machinery arranged on the tractor is connected with the power output shaft of the tractor, the installation time can be saved, and the installation cost can be reduced.

3. According to the utility model, through the arrangement of the transmission structure, when the front-end machinery arranged on the tractor is connected with the power output shaft of the tractor, the front-end machinery is convenient to adjust according to the length of the body of the tractor, and the problem that the telescopic transmission shaft matched with the multi-cylinder tractor with more than 100 horsepower cannot be arranged is avoided.

Drawings

FIG. 1 is a schematic diagram of a transmission assembly of a multi-cylinder tractor mated with the tractor according to an embodiment of the utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

FIG. 3 is a schematic structural view of a drive assembly of a multi-cylinder tractor according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a power shaft transmission mechanism according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a first driving wheel according to an embodiment of the present utility model.

In the figure: 10. a tractor; 20. a transmission structure; 21. a power shaft transmission mechanism; 211. a first driving wheel; 2111. a sleeve; 2112. a belt pulley; 212. a second driving wheel; 213. a transmission belt; 214. extending the shaft sleeve; 215. a first bearing seat; 22. a transmission flexible shaft; 23. a second bearing seat; 30. and a front-end machine.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a transmission assembly for a multi-cylinder tractor may include a tractor 10, a transmission structure 20, and a front machine 30, where the tractor 10 may be adapted to be driven by a user for movement in a field. The transmission structure 20 may be used to connect a power output shaft on the rear side of the tractor 10 with a power input shaft of the front machine 30, transmit torque from the power output shaft, and drive the front machine 30 to operate. The front-end machine 30 may be any one of a harvester, a pit-punching machine, a fertilizer spreader, a grinder, and a straw-returning machine, and may be replaced according to a cultivation process, and fig. 1 and 2 show a state when the front-end machine 30 is used with the pit-punching machine.

Referring to fig. 3, the transmission structure 20 may include a power shaft transmission mechanism 21, a transmission flexible shaft 22, and a second bearing seat 23, and the power shaft transmission mechanism 21 may be respectively connected to a power output shaft of the tractor 10 and one end of the transmission flexible shaft 22 near the power shaft transmission mechanism 21, so that torque of the power output shaft of the tractor 10 may be transmitted to the transmission flexible shaft 22. The second bearing seat 23 can be installed on the front machine 30, and one end, close to the second bearing seat 23, of the transmission flexible shaft 22 and a power input shaft of the front machine 30 extend into the second bearing seat 23 and are detachably connected and fixed with the second bearing seat, so that torque of the transmission flexible shaft 22 can be transmitted to the power input shaft of the front machine 30. The connection between the drive flexible shaft 22 and the power input shaft of the front-end machine 30 and the second bearing seat 23 can be made by common fasteners such as flat keys.

In the present embodiment, the power shaft transmission mechanism 21 may include a first transmission wheel 211, a second transmission wheel 212, a transmission belt 213, an extension sleeve 214, and a first bearing housing 215. The first driving wheel 211 and the second driving wheel 212 can be pulleys, and the driving belt 213 is arranged to be matched with a belt, so that the first driving wheel 211, the second driving wheel 212 and the driving belt 213 can form a belt driving system (refer to fig. 4); the first driving wheel 211 and the second driving wheel 212 may be sprockets, and the driving belt 213 is a chain used in cooperation with the first driving wheel 211, the second driving wheel 212 and the driving belt 213 may form a chain driving system (not shown in the figure).

Referring to fig. 4, the first driving wheel 211 may be connected to the power output shaft of the tractor 10, so that the power output shaft of the tractor 10 drives the first driving wheel 211 to rotate, and the second driving wheel 212 may be connected to one end of the driving flexible shaft 22, so that the second driving wheel 212 may drive the driving flexible shaft 22 to rotate to drive torque. When the power output shaft of the tractor 10 is short, one end of the extension sleeve 214 may be sleeved on the power output shaft of the tractor 10 and fixed with the power output shaft by bolts, and the other end of the extension sleeve 214 may be connected and fixed with the first driving wheel 211 by bolts. The first bearing seat 215 can be installed and fixed at the rear lower part of the tractor 10 body by bolts, and the opposite ends of the second driving wheel 212 and the driving flexible shaft 22 can extend into the first bearing seat 215 and be detachably connected and fixed with the first bearing seat, so that the first bearing seat 215 can be used for supporting the end part of the driving flexible shaft 22 and the second driving wheel 212 in an auxiliary manner and transmitting torque.

Referring to fig. 5, the first driving wheel 211 may include a sleeve 2111 and a pulley 2112, the pulley 2112 may be fixed at one end of the sleeve 2111 to be used in conjunction with the driving belt 213, and the sleeve 2111 may be configured as a hollow tubular structure, so that one end of the extension sleeve 214 may extend into the sleeve 2111 to be connected and fixed by a bolt.

In this embodiment, the second driving wheel 212 may include a belt pulley and a central shaft, where the belt pulley may be used in conjunction with the driving belt 213 for driving, one end of the central shaft may be fixed at the center of the belt pulley, and the other end of the central shaft may extend into the first bearing seat 215 for connecting and fastening. The pulley in the second drive wheel 212 can be made to rotate to transmit torque to the drive flexible shaft 22 using the central shaft and the first bearing housing 215.

In this embodiment, the transmission flexible shaft 22 may include a steel wire flexible shaft and a rubber sleeve wrapped outside the steel wire flexible shaft, and may generate a certain deformation through the steel wire flexible shaft, so that the transmission flexible shaft 22 may be bent and adjusted according to the positions of the oil tank and the air cylinder of the tractor 10 when in connection use, so as to avoid the same. In particular, the installation of the telescopic drive shaft of the prior art is easily affected when the oil tank of the tractor 10 is disposed under the body thereof, while the drive flexible shaft 22 can be bent away.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (6)

1. The transmission assembly of the multi-cylinder tractor comprises a tractor (10) and a front machine (30), and is characterized by also comprising a transmission structure (20), wherein the transmission structure (20) comprises a power shaft transmission mechanism (21), a transmission flexible shaft (22) and a second bearing seat (23),

the power shaft transmission mechanism (21) is respectively connected with a power output shaft of the tractor (10) and one end of the transmission flexible shaft (22), so that torque of the power output shaft of the tractor (10) is transmitted to the transmission flexible shaft (22), the second bearing seat (23) is arranged on the front machine (30), and the other end of the transmission flexible shaft (22) and the power input shaft of the front machine (30) are both extended into the second bearing seat (23) and detachably connected and fixed with the second bearing seat, so that torque of the transmission flexible shaft (22) is transmitted to the power input shaft of the front machine (30).

2. The transmission assembly of a multi-cylinder tractor of claim 1, wherein: the power shaft transmission mechanism (21) comprises a first transmission wheel (211), a second transmission wheel (212) and a transmission belt (213), wherein the first transmission wheel (211) is connected with a power output shaft of the tractor (10), the second transmission wheel (212) is connected with one end of a transmission flexible shaft (22), and the transmission belt (213) is sleeved outside the first transmission wheel (211) and the second transmission wheel (212) and is in transmission connection with the first transmission wheel and the second transmission wheel.

3. The transmission assembly of a multi-cylinder tractor of claim 2, wherein: the first driving wheel (211) comprises a sleeve (2111) and a pulley (2112), the pulley (2112) is fixed at one end of the sleeve (2111) so as to be in driving connection with the driving belt (213), and the sleeve (2111) is of a hollow tubular structure.

4. A transmission assembly for a multi-cylinder tractor as claimed in claim 3, wherein: the power shaft transmission mechanism (21) further comprises an extension shaft sleeve (214), one end of the extension shaft sleeve (214) is sleeved on the power output shaft of the tractor (10) and fixed with the power output shaft, and the other end of the extension shaft sleeve (214) extends into the sleeve (2111) and is fixed with the sleeve.

5. The transmission assembly of a multi-cylinder tractor as defined by any one of claims 2-4 wherein: the power shaft transmission mechanism (21) further comprises a first bearing seat (215) which is arranged and fixed on the body of the tractor (10), and the opposite ends of the second transmission wheel (212) and the transmission flexible shaft (22) extend into the first bearing seat (215) and are detachably connected and fixed with the first bearing seat.

6. The transmission assembly of a multi-cylinder tractor of claim 1, wherein: the front machine (30) is set as a harvester, a pit machine, a fertilizer distributor, a grinder or a straw returning machine.