A mechanism for tensioning and lubricating a saw chain of a feller-buncher

Abstract

The application discloses a kind of saw chain tensioning and lubricating mechanisms of feller-buncher.The mechanism includes hydraulic motor, motor mounting plate assembly, bearing assembly, cutting assembly and motor mounting block assembly, hydraulic motor is arranged in the lower side of motor mounting plate assembly, hydraulic motor is connected with motor mounting block assembly, bearing assembly is connected with motor mounting plate assembly, cutting assembly is connected with motor mounting plate assembly, motor mounting plate assembly is provided with tensioning oil channel and lubricating oil channel, and tensioning oil flow space and lubricating oil flow space are formed between bearing assembly and motor mounting plate assembly, tensioning oil channel is communicated with tensioning oil flow space, and lubricating oil channel is communicated with lubricating oil flow space.The oil port joint of tensioning oil and lubricating oil is integrated into motor mounting plate one in the application, so that the installation and replacement of oil pipe are more quick and convenient, motor mounting plate one is fixed on the frame and does not rotate, so that the oil pipe is not moved and not rubbed, and the service life of oil pipe is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of felling chain tensioning and lubrication, in particular to a feller-buncher saw chain tensioning and lubricating mechanism. BACKGROUND

[0002] The feller-buncher is a professional device with a technical core commonly used in felling work, which can fell an upright tree and cut it off at a set length. However, due to harsh working conditions, the service life of the hydraulic oil pipe of the feller-buncher will be shortened according to the length of use, and the requirements for work efficiency and length cutting accuracy are becoming more and more precise. However, there are several deficiencies in the installation position and structure of the saw part of the feller-buncher at present.

[0003] 1. The oil pipe connection route is complex, which makes the installation and replacement of the oil pipe inconvenient.

[0004] 2. The oil pipe is prone to be damaged and leak due to friction with the parts of the mechanism. SUMMARY

[0005] The purpose of the present application is to provide a feller-buncher saw chain tensioning and lubricating mechanism. According to the feller-buncher saw chain tensioning and lubricating mechanism of the present application, the tensioning oil and lubricating oil port joints are integrated into the motor mounting plate one, which makes the installation and replacement of the oil pipe more convenient and fast. The motor mounting plate one is fixed on the frame and does not rotate, thereby ensuring that the oil pipe does not move and is not rubbed, and increasing the service life of the oil pipe. The technical scheme adopted by the present application is as follows:

[0006] According to one aspect of the present application, a feller-buncher saw chain tensioning and lubricating mechanism is provided, which comprises a hydraulic motor, a motor mounting plate assembly, a bearing assembly, a cutting assembly and a motor mounting block assembly. The hydraulic motor is arranged on the lower side of the motor mounting plate assembly. The hydraulic motor is connected with the motor mounting block assembly. The bearing assembly is connected with the motor mounting plate assembly. The cutting assembly is connected with the motor mounting plate assembly. The motor mounting plate assembly is provided with a tensioning oil channel and a lubricating oil channel. The tensioning oil channel and the lubricating oil channel are in communication with the tensioning oil flow space and the lubricating oil flow space formed between the bearing assembly and the motor mounting plate assembly.

[0007] Preferably, the motor mounting plate assembly comprises a motor mounting plate one, a motor mounting plate two and a motor mounting plate three. The motor mounting plate one is rotatably connected with the motor mounting plate two through the bearing assembly. The motor mounting plate is connected with the motor mounting plate one. The motor mounting plate one is provided with the tensioning oil channel and the lubricating oil channel.

[0008] Preferably, the bearing assembly comprises deep groove bearing one and deep groove bearing three, the inner side of the deep groove bearing one is connected with the motor mounting plate one, the outer side of the deep groove bearing one is connected with the motor mounting plate two, the tensioning oil channel is communicated with the deep groove bearing one, the tensioning oil flow space is formed between the deep groove bearing one, the motor mounting plate one and the motor mounting plate two, the deep groove bearing one is communicated with the tensioning oil flow space, the inner side of the deep groove bearing three is connected with the motor mounting plate three, the outer side of the deep groove bearing three is connected with the motor mounting plate two, the lubricating oil flow space is formed between the deep groove bearing three, the motor mounting plate one, the motor mounting plate two and the motor mounting plate three, and the lubricating oil flow space is communicated with the lubricating oil channel.

[0009] Preferably, the cutting assembly comprises a piston rod, a sliding block, a chain plate and a chain wheel, the motor mounting plate two is internally provided with a piston cavity, one end of the piston rod is arranged in the piston cavity and movably connected with the motor mounting plate two, the piston cavity is communicated with the tensioning oil flow space, the other end of the piston rod is connected with the sliding block, the sliding block is movably connected with the motor mounting plate two, the sliding block is connected with the chain plate, the chain plate is connected with the chain wheel through a chain, and the chain wheel is connected with the hydraulic motor through the motor mounting block assembly.

[0010] Preferably, the motor mounting block assembly comprises a motor mounting block one and a motor mounting block two, the lower end of the motor mounting block one passes through the motor mounting plate three, the motor mounting plate two and the motor mounting plate one respectively and is connected with the output shaft of the hydraulic motor, the upper end of the motor mounting block one is connected with the chain wheel, and the lower end of the motor mounting block two passes through the chain wheel and is connected with the motor mounting block one.

[0011] The above technical scheme adopted by the present application has the following remarkable effects:

[0012] The present application integrates the oil port joints of the tensioning oil and the lubricating oil into the motor mounting plate one, so that the installation and replacement of the oil pipe are more quick and convenient, the motor mounting plate one is fixed on the rack and does not rotate, so as to ensure that the oil pipe does not move and is not rubbed, thereby increasing the service life of the oil pipe. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the explosion diagram of the present application;

[0014] Figure 2 is the tensioning oil flow circulation schematic diagram of the present application;

[0015] Figure 3 is the lubricating oil flow circulation schematic diagram of the present application;

[0016] Figure 4 is the structure schematic diagram of the encoder assembly of the present application.

[0017] 1 - motor mount plate one, 2 - motor mount plate two, 3 - motor mount plate three, 4 - hydraulic motor, 5 - tensioning oil port fitting, 6 - lubricating oil port fitting, 7 - deep groove bearing one, 8 - gear one, 9 - O-ring seal two, 10 - piston rod, 11 - sliding block, 12 - guide rod, 13 - oil cylinder, 14 - O-ring seal one, 15 - O-ring seal three, 16 - deep groove bearing three, 17 - chain plate, 18 - fixed block, 19 - nut, 20 - hexagonal socket cap screw, 21 - motor mount block one, 22 - sprocket, 23 - motor mount block two, 24 - gear two, 25 - encoder, 26 - deep groove bearing two, 27 - encoder mount block one, 28 - encoder mount block two, 29 - encoder mount block three. DETAILED DESCRIPTION

[0018] For the purposes of the present application, the technical solutions and advantages are more clearly and obviously understood, the following preferred embodiments are described in detail with reference to the accompanying drawings. However, it should be noted that many details in the description are only to make the reader have a thorough understanding of one or more aspects of the present application, and even without these specific details, the aspects of the present application can be implemented.

[0019] As Figures 1-4 shown, according to the saw chain tensioning and lubricating mechanism of the log sawing machine, the mechanism comprises a hydraulic motor 4, a motor mount plate assembly, a bearing assembly, a cutting assembly and a motor mount block assembly, wherein the motor mount plate assembly comprises a motor mount plate one 1, a motor mount plate two 2 and a motor mount plate three 3; the bearing assembly comprises a deep groove bearing one 7 and a deep groove bearing three 16; the cutting assembly comprises a piston rod 10, a sliding block 11, a chain plate 17 and a sprocket 22; the motor mount block assembly comprises a motor mount block one 21 and a motor mount block two 23.

[0020] The motor mounting plate assembly comprises a motor mounting plate one 1, a motor mounting plate two 2 and a motor mounting plate three 3, the motor mounting plate one 1 is rotationally connected with the motor mounting plate two 2, and the motor mounting plate three 3 is connected with the motor mounting plate one 1. The motor mounting plate one 1 comprises a circular plate member, a boss and a joint connecting block, the circular plate member, the circular boss and the joint connecting block are integrated, the upper side of the circular plate member is recessed, the circular boss is located in the middle of the upper side of the circular plate member, and a through hole vertically upward is formed in the middle of the boss. A hydraulic motor 4 is mounted on the lower side of the boss, and an output shaft of the hydraulic motor 4 penetrates the through hole from bottom to top. The joint connecting block is located on the lower side of the circular plate member. The motor mounting plate one 1 is internally provided with a tensioning oil channel and a lubricating oil channel, one end of the tensioning oil channel is located on the joint connecting block, and the other end is located on the side of the circular boss. One end of the lubricating oil channel is located on the joint connecting block, and the other end is located on the side of the circular boss and above the port of the tensioning oil channel on the circular boss. A sealing groove one is arranged between the port of the tensioning oil channel and the port of the lubricating oil channel on the circular boss, an O-shaped sealing ring one 14 is arranged in the sealing groove one, a tensioning oil groove is arranged on the side of the circular boss, the lower end of the tensioning oil groove is in communication with the port of the tensioning oil channel on the circular boss, and the upper end of the tensioning oil groove is in communication with the sealing groove. The tensioning oil channel port on the joint connecting block is connected with a tensioning oil port joint 5, and the lubricating oil port on the joint connecting block is connected with a lubricating oil port joint 6.

[0021] The motor mounting plate two 2 is connected with the circular boss through the deep groove bearing one 7, the circular boss comprises a bottom and a convex part, the bottom and the convex part are integrated, a circular lug is arranged on the upper end surface of the bottom and located outside the convex part, the inner side of the deep groove bearing one 7 is fixedly connected with the convex part, the lower side of the deep groove bearing one 7 abuts against the upper side of the circular lug, the diameter of the deep groove bearing one 7 is larger than the diameter of the circular lug, and the distance from the center of the deep groove bearing one 7 to the ball is larger than the radius of the circular lug. The lower side of the motor mounting plate two 2 is provided with a bearing groove one, the bearing groove one is connected with the deep groove bearing one 7, and the lower side of the motor mounting plate two 2 and the lower side of the deep groove bearing one 7 are located on the same horizontal plane. A circular ring gear one 8 slot is arranged on the lower side of the motor mounting plate two 2 and located outside the bearing groove one, a gear one 8 is fixedly connected in the circular ring gear one 8 slot, a sealing groove two is arranged between the circular ring gear one 8 slot and the bearing groove one, an O-shaped sealing ring two 9 is arranged in the sealing groove two, the lower side of the O-shaped sealing ring two 9 abuts against the upper side of the bottom, and a tight oil flowing space is formed between the deep groove bearing one 7, the bottom, the convex part, the circular lug, the motor mounting plate two 2 and the O-shaped sealing ring two 9. A piston cavity and a tight oil connecting channel are arranged in the motor mounting plate two 2, one end of the tight oil connecting channel communicates with the piston cavity, and the other end communicates with the tight oil flowing space. A piston rod 10 is arranged in the piston cavity, one end of the piston rod 10 extends out of the piston cavity and extends to the outside of the motor mounting plate two 2, a sliding block 11 is connected with one end of the piston rod 10 outside the motor mounting plate two 2, the sliding block 11 is connected with the motor mounting plate two 2 through a guide rod 12, a sliding hole is arranged on the sliding block 11, one end of the guide rod 12 movably connects with the sliding hole, and the other end of the guide rod 12 is fixedly connected with the motor mounting plate two 2. A fixed rod is arranged on the sliding block 11, a clamping groove is arranged on the fixed rod, a chain plate 17 is connected on the clamping groove, one end of the chain plate 17 is clamped on the clamping groove, a fixed block 18 is arranged on one end of the chain plate 17 connected with the clamping groove, the fixed block 18 is sleeved on the fixed rod, and the lower side of the fixed block 18 abuts against the chain plate 17, and a nut 19 is arranged on the upper end of the fixed rod.

[0022] A encoder 25 assembly is arranged on the lower side of the circular plate, which comprises a gear wheel 24, an encoder 25, a deep groove bearing 26, an encoder mounting block 27, an encoder mounting block 28 and an encoder mounting block 29. The encoder 25 is arranged in the encoder mounting block 28, the upper end of the encoder mounting block 28 is connected with the encoder mounting block 27, the output shaft of the encoder 25 is connected with a connecting shaft through the encoder mounting block 29, the connecting shaft is connected with the gear wheel 24, the outer side of the connecting shaft is sleeved with the deep groove bearing 26, the outer side of the deep groove bearing 26 is connected with the encoder mounting block 27, and the gear wheel 24 is engaged with the gear wheel 8. An oil cylinder 13 is connected to the upper side of the motor mounting plate 2. When the oil cylinder 13 drives the motor mounting plate 2 to rotate, the motor mounting plate 2 drives the gear wheel 8 to rotate, the gear wheel 8 drives the gear wheel 24 to rotate, the gear wheel 24 drives the encoder 25 to rotate, and the encoder 25 records to achieve the purpose of measurement.

[0023] A bearing groove 2 is formed on the upper side of the motor mounting plate 2, which is communicated with the bearing groove 1. A deep groove bearing 16 is arranged in the bearing groove 2. The outer side of the deep groove bearing 16 is connected with the bearing groove 2, and the inner side of the deep groove bearing 16 is connected with a motor mounting plate 3. The motor mounting plate 3 is connected with a circular boss through a hexagonal socket head cap screw 20. A lubricating oil inflow space is formed between the circular boss, the motor mounting plate 2, the motor mounting plate 3 and the deep groove bearing 16, and the lubricating oil inflow space is communicated with the lubricating oil channel port. A sealing groove 3 is arranged on the motor mounting plate 3, which is located on the outer side of the deep groove bearing 16. An O-shaped sealing ring 15 is arranged in the sealing groove 3. A lubricating oil outflow space is formed between the deep groove bearing 16, the motor mounting plate 3, the motor mounting plate 2 and the O-shaped sealing ring 15. A lubricating oil outlet channel 1 is arranged in the motor mounting plate 2, which is communicated with the lubricating oil outflow space. A lubricating oil outlet channel 2 is arranged in the sliding block 11, which is communicated with the lubricating oil outlet channel 1. A lubricating oil outlet hole is formed on the chain plate 17, which is communicated with the lubricating oil outlet channel 2.

[0024] A motor mounting block 21 is arranged on the inner side of the motor mounting plate 3. The lower end of the motor mounting block 21 penetrates through the motor mounting plate 3, the motor mounting plate 2 and the motor mounting plate 1, and is connected with the output shaft of the hydraulic motor 4. A chain wheel 22 is connected with the upper end of the motor mounting block. A motor mounting block 23 is arranged on the upper end of the chain wheel 22. The lower end of the motor mounting block 23 penetrates through the chain wheel 22 and is connected with the motor mounting block 21. The chain wheel 22 and the chain plate 17 are connected through a chain.

[0025] In use, the tensioning oil pipe is connected to the tensioning oil port joint 5, hydraulic oil flows through the tensioning oil channel of the motor mounting plate 1, flows out through the tensioning oil channel port of the circular boss, flows through the tensioning oil groove, flows into the deep groove bearing 7 from above the ball of the deep groove bearing 7, flows into the tensioning oil flow space from below the ball of the deep groove bearing 7 after flowing through the ball in the deep groove bearing 7, flows into the tensioning oil connecting channel through the tensioning oil flow space, flows into the piston space through the tensioning oil connecting channel, pushes the piston rod 10, the piston rod 10 further pushes the sliding block 11 forward, the sliding block 11 pushes the chain plate 17 to move, and the purpose of tensioning the chain is achieved. The lubricating oil pipe is connected to the lubricating oil port joint 6, lubricating oil flows through the lubricating oil channel of the motor mounting plate 1, flows into the lubricating oil inflow space, flows into the deep groove bearing 3 from below the deep groove bearing 3, flows out from above the deep groove bearing 3, and flows into the motor mounting plate 2 through the leading-out channel 1, flows into the leading-out channel 2 of the sliding block 11 through the leading-out channel 1, and finally flows onto the chain plate 17, so that the purpose of lubrication is achieved. The tensioning oil and lubricating oil port joints are integrated into the motor mounting plate 1, the installation and replacement of the oil pipe are more quick and convenient, the motor mounting plate 1 is fixed on the frame and does not rotate, so that the oil pipe does not move and is not rubbed, and the service life of the oil pipe is increased.

[0026] The above description is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, several improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A mechanism for tensioning and lubricating a saw chain of a feller-buncher, characterized by: The mechanism comprises a hydraulic motor, a motor mounting plate assembly, a bearing assembly, a cutting assembly and a motor mounting block assembly, the hydraulic motor is arranged at the lower side of the motor mounting plate assembly, the hydraulic motor is connected with the motor mounting block assembly, the bearing assembly is connected with the motor mounting plate assembly, the cutting assembly is connected with the motor mounting plate assembly, the motor mounting plate assembly is provided with a tensioning oil channel and a lubricating oil channel, the bearing assembly and the motor mounting plate assembly form a tensioning oil flow space and a lubricating oil flow space, the tensioning oil channel is communicated with the tensioning oil flow space, and the lubricating oil channel is communicated with the lubricating oil flow space; The motor mounting plate assembly comprises a motor mounting plate one, a motor mounting plate two and a motor mounting plate three, the motor mounting plate one is rotationally connected with the motor mounting plate two through the bearing assembly, the motor mounting plate is connected with the motor mounting plate one, and the motor mounting plate one is internally provided with the tensioning oil channel and the lubricating oil channel; The bearing assembly comprises a deep groove bearing one and a deep groove bearing three, the inner side of the deep groove bearing one is connected with the motor mounting plate one, the outer side of the deep groove bearing one is connected with the motor mounting plate two, the tensioning oil channel is communicated with the deep groove bearing one, the deep groove bearing one, the motor mounting plate one and the motor mounting plate two form the tensioning oil flow space, the deep groove bearing one is communicated with the tensioning oil flow space, the inner side of the deep groove bearing three is connected with the motor mounting plate three, the outer side of the deep groove bearing three is connected with the motor mounting plate two, the deep groove bearing three, the motor mounting plate one, the motor mounting plate two and the motor mounting plate three form the lubricating oil flow space, and the lubricating oil flow space is communicated with the lubricating oil channel; The motor mounting plate one comprises a circular plate, a circular boss and a joint connecting block, the circular plate, the circular boss and the joint connecting block are integrated, the upper side of the circular plate is recessed in a sunken manner, the circular boss is located at the middle part of the upper side of the circular plate, and a through hole which is upward and downward is formed in the middle part of the circular boss.

2. A chain tensioning and lubricating mechanism for a feller-buncher saw as defined in claim 1, characterized in that: The cutting assembly comprises a piston rod, a sliding block, a chain plate and a chain wheel, the motor mounting plate two is internally provided with a piston cavity, one end of the piston rod is arranged in the piston cavity and is movably connected with the motor mounting plate two, the piston cavity is communicated with the tensioning oil flow space, the other end of the piston rod is connected with the sliding block, the sliding block is movably connected with the motor mounting plate two, the sliding block is connected with the chain plate, the chain plate is connected with the chain wheel through a chain, and the chain wheel is connected with the hydraulic motor through the motor mounting block assembly.

3. A chain tensioning and lubricating mechanism for a feller-buncher saw as defined in claim 2, wherein: The motor mounting block assembly comprises a motor mounting block one and a motor mounting block two, the lower end of the motor mounting block one penetrates through the motor mounting plate three, the motor mounting plate two and the motor mounting plate one and is connected with the output shaft of the hydraulic motor, the upper end of the motor mounting block one is connected with the chain wheel, and the lower end of the motor mounting block two penetrates through the chain wheel and is connected with the motor mounting block one.

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