CN110966299A

CN110966299A - Swing arm type agricultural machine transmission shaft device

Info

Publication number: CN110966299A
Application number: CN201911359470.6A
Authority: CN
Inventors: 蒋奕阳
Original assignee: 蒋奕阳
Current assignee: WENZHOU GUOJUN MACHINERY Co.,Ltd.
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-07
Anticipated expiration: 2039-12-25
Also published as: CN110966299B

Abstract

The invention provides a swing arm type agricultural machine transmission shaft device, relates to the field of agricultural machine transmission shafts, and solves the problems that in the process of installing a transmission shaft, due to the reasons of errors and the like of machinery during assembly, the transmission shaft can not be matched properly, and the existing device is poor in adjustability and can not be matched and installed quickly through micro-adjustment; the problem that the fixing bolt is troublesome to disassemble after the outer wall of the fixing bolt deforms. A transmission shaft device of a swing arm type agricultural machine comprises a transmission shaft body; the head end and the tail end of the transmission shaft rod body are fixedly connected with a connecting seat through locking nuts. Threaded connection has four sealed fastening bolt on the cross connector, and has all seted up a hexagon adjustment tank and a rectangular channel on every sealed fastening bolt, so adaptable in multiple extracting tool dismantles when dismantling to can prevent that sealed fastening bolt external deformation from leading to dismantling difficult phenomenon, with current device relative ratio, this device practicality is higher.

Description

Swing arm type agricultural machine transmission shaft device

Technical Field

The invention belongs to the technical field of agricultural mechanical transmission shafts, and particularly relates to a swing arm type agricultural mechanical transmission shaft device.

Background

The agricultural machine of swing arm type, for example lawn mower, rotary cultivator etc. the angularly adjustable of its frame to obtain different working areas or be convenient for transportation, transport, the transmission mode of the agricultural machine of current swing arm type mostly uses a root axis transmission, connects power machine and agricultural machine's power take off end through a transmission shaft promptly, and the both ends of transmission shaft are passed through the universal joint and are connected.

Based on the above, the swing arm type transmission shaft on the existing agricultural machinery mainly has the following defects:

one is that the existing transmission shaft has low adjustability, and the transmission shaft is difficult to be matched properly due to errors and the like during mechanical assembly in the process of installing the transmission shaft, so that certain difficulty is brought to the installation of the transmission shaft, and the existing device has poor adjustability and cannot realize quick matching installation through micro-adjustment; moreover, the practicality is relatively poor, and current epaxial fastening bolt of transmission can only be single be adapted to one kind and dismantle the spanner, and it is more troublesome to dismantle after fixing bolt outer wall warp.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a swing arm type agricultural machine transmission shaft device is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a swing arm type agricultural machine transmission shaft device, which aims to solve the problems that the existing transmission shaft is low in adjustability, the transmission shaft can not be matched properly due to the reason that the machine is assembled and the like in the process of installing the transmission shaft at present, certain difficulty is brought to the installation of the transmission shaft, and the existing device is poor in adjustability and cannot realize quick matching installation through micro-adjustment; moreover, the practicality is relatively poor, and current epaxial fastening bolt of transmission can only be single be adapted to one kind and dismantle the spanner, when fixing bolt outer wall warp the more troublesome problem of dismantlement.

The invention relates to a swing arm type agricultural machine transmission shaft device, which is achieved by the following specific technical means:

a transmission shaft device of a swing arm type agricultural machine comprises a transmission shaft body; the head end and the tail end of the rod body of the transmission shaft are fixedly connected with a connecting seat through locking nuts, and each connecting seat is rotatably connected with a connecting shaft sleeve through a cross-shaped connector; every all the welding has a limit structure on the connecting seat.

Furthermore, the transmission shaft body of rod includes plug and shelves ring, transmission shaft body of rod head end and tail end are the plug that is used for the connection, just still weld on the transmission shaft body of rod outer wall have two to be used for with lock nut rotate the shelves ring of connecting.

Further, the connecting seat includes jack and rotates and adjusts the seat, every the connecting seat passes through jack and plug grafting and links to each other, and every all the welding has one to rotate and adjusts the seat on the connecting seat, and the connecting seat that rotates on adjusting seat and the connecting axle sleeve is connected through the cross connector that is used for rotating the regulation.

Further, the cross connector comprises a sealing fastening bolt, a hexagonal adjusting groove and a rectangular groove, the cross connector is connected with four sealing fastening bolts in a threaded manner, and each sealing fastening bolt is provided with one hexagonal adjusting groove and one rectangular groove.

Furthermore, the limiting structure comprises two rotating connecting seats, two clamping pins and a rectangular hole, and the two rotating connecting seats are symmetrically welded on the outer sides of the connecting seats; every all rotate on the connecting seat and be connected with a bayonet lock, and every all seted up a rectangular hole that is used for reducing bayonet lock weight on the bayonet lock.

Furthermore, limit structure still includes rectangle draw-in groove and rubber muscle, every a rectangle draw-in groove has all been seted up on the bayonet lock, and two it has been used for the rubber muscle that two bayonet locks tighten up to cup jointed to lie in rectangle draw-in groove position department on the bayonet lock.

Furthermore, the limiting structure further comprises a stop block, and an L-shaped stop block for preventing the rubber rib from separating is welded at the rectangular clamping groove position on each clamping pin.

Furthermore, the locking nut comprises a clamping groove, the locking nut is rotatably connected to the retaining ring and is in threaded connection with the connecting seat, and the clamping groove is formed in the outer wall of the locking nut in an annular array shape; the clamping groove is matched with the clamping pins, and when the rubber ribs tighten up the two clamping pins, the clamping pins are clamped with the clamping groove.

Compared with the prior art, the invention has the following beneficial effects:

this device adjustability is higher, can carry out the last micro-adjustment of whole length, the adaptability of this device has been improved, at first press the bayonet lock and break away the shutting to lock nut, and the screw thread rotates lock nut and adjusts the connection length of transmission shaft body of rod and connecting seat, connect on the shelves ring because of lock nut rotates this moment, can drive the transmission shaft body of rod and remove together when rotating lock nut so, the regulation is come off and is made the bayonet lock continue the card go into the draw-in groove on lock nut to be blocked to pressing of bayonet lock after finishing, accomplish the regulation this moment, this device of relative ratio with current device can carry out the micro-adjustment, prevent to lead to unable normal installation phenomenon because of the error reason when the installation uses, and can block after adjusting, the not hard up trouble that leads to in the use has been avoided.

This device is because of the setting of sealed fastening bolt on the cross connector, threaded connection has four sealed fastening bolt on the cross connector, and has all seted up a hexagon adjustment tank and a rectangular channel on every sealed fastening bolt, so adaptable when dismantling is dismantled in multiple extracting tool to can prevent that sealed fastening bolt outside is out of shape and lead to dismantling difficult phenomenon, with the current device relative ratio, this device practicality is higher.

According to the device, through the arrangement of the limiting structure, firstly, each clamping pin is provided with the rectangular hole for reducing the weight of the clamping pin, and the weight of the clamping pin is reduced while the function of the clamping pin is not influenced through the arrangement of the rectangular holes, so that the manufacturing cost and the total weight of the device are saved; and secondly, the L-shaped stop block for preventing the rubber rib from separating is welded at the position of the rectangular clamping groove on each clamping pin, so that the stability of rubber rib installation is improved.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1 at a.

Fig. 3 is an enlarged schematic view of fig. 1 at B according to the present invention.

Fig. 4 is an enlarged axial view of the cross joint according to the present invention.

Fig. 5 is a schematic front view of the present invention.

Fig. 6 is an enlarged view of the structure of fig. 5C according to the present invention.

Fig. 7 is an axial view of the present invention in a disassembled configuration.

Fig. 8 is an enlarged view of fig. 7D according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a transmission shaft body; 101. a plug; 102. a retainer ring; 2. a connecting seat; 201. connecting the jacks; 202. rotating the adjusting seat; 3. a cross connector; 301. sealing the fastening bolt; 302. a hexagonal adjusting groove; 303. a rectangular groove; 4. connecting the shaft sleeve; 5. a limiting structure; 501. rotating the connecting seat; 502. a bayonet lock; 503. a rectangular hole; 504. a rectangular clamping groove; 505. a rubber rib; 506. a blocking block; 6. locking the nut; 601. a clamping groove.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a swing arm type agricultural machinery transmission shaft device, which comprises a transmission shaft body 1; the head end and the tail end of the transmission shaft rod body 1 are fixedly connected with a connecting seat 2 through a locking nut 6, and each connecting seat 2 is rotatably connected with a connecting shaft sleeve 4 through a cross-shaped connector 3; each connecting seat 2 is welded with a limiting structure 5.

Referring to fig. 7, the transmission shaft body 1 includes a plug 101 and a stopper ring 102, the head end and the tail end of the transmission shaft body 1 are both used for connecting the plug 101, and the outer wall of the transmission shaft body 1 is welded with two stopper rings 102 for rotatably connecting with the lock nut 6.

Referring to fig. 7, the connecting sockets 2 include connecting jacks 201 and rotation adjusting seats 202, each connecting socket 2 is connected to the plug 101 through the connecting jack 201, and one rotation adjusting seat 202 is welded to each connecting socket 2, and the rotation adjusting seat 202 and the connecting sockets on the connecting sleeve 4 are connected through a cross connector 3 for rotation adjustment.

Referring to fig. 4, the cross-shaped connector 3 includes a sealing fastening bolt 301, a hexagonal adjusting groove 302 and a rectangular groove 303, the cross-shaped connector 3 is screwed with four sealing fastening bolts 301, and each sealing fastening bolt 301 is provided with one hexagonal adjusting groove 302 and one rectangular groove 303, so that the cross-shaped connector can be adapted to various disassembling tools for disassembling when being disassembled, thereby preventing the sealing fastening bolt 301 from being deformed to cause the difficult disassembling phenomenon.

Referring to fig. 6 and 8, the limiting structure 5 comprises two rotary connecting seats 501, two clamping pins 502 and a rectangular hole 503, and the two rotary connecting seats 501 on the limiting structure 5 are symmetrically welded on the outer side of the connecting seat 2; every rotates and all rotates to be connected with a bayonet lock 502 on the connecting seat 501, and all seted up a rectangular hole 503 that is used for reducing bayonet lock 502 weight on every bayonet lock 502, has reduced bayonet lock 502's weight when not influencing bayonet lock 502 function performance through setting up of rectangular hole 503 to manufacturing cost and the total weight of this device have been practiced thrift.

Referring to fig. 6, the limiting structure 5 further includes a rectangular clamping groove 504 and a rubber rib 505, each clamping pin 502 is provided with a rectangular clamping groove 504, and a rubber rib 505 for tightening the two clamping pins 502 is sleeved on the two clamping pins 502 at the position of the rectangular clamping groove 504.

Referring to fig. 6, the limiting structure 5 further includes a blocking block 506, and an L-shaped blocking block 506 for preventing the rubber rib 505 from being separated is welded on each bayonet pin 502 at the position of the rectangular bayonet slot 504, so as to improve the stability of the installation of the rubber rib 505.

Referring to fig. 7 and 8, the locking nut 6 includes a clamping groove 601, the locking nut 6 is rotatably connected to the retainer ring 102, the locking nut 6 is in threaded connection with the connecting seat, and the clamping grooves 601 are formed in the outer wall of the locking nut 6 in an annular array; draw-in groove 601 and bayonet 502 phase-match, and when rubber muscle 505 tightened up two bayonet 502, bayonet 502 and draw-in groove 601 joint to can carry on spacingly to lock nut 6 on the one hand, on the other hand can adjust the connection length of transmission shaft body of rod 1 and connecting seat 2.

The specific use mode and function of the embodiment are as follows:

when the adjusting device is used, when the adjusting device needs to be adjusted, the bayonet lock 502 is pressed to unlock the locking nut 6, the locking nut 6 is rotated in a threaded manner to adjust the connection length of the transmission shaft rod body 1 and the connecting seat 2, at the moment, the locking nut 6 is connected to the baffle ring 102 in a rotating manner, the transmission shaft rod body 1 can be driven to move together when the locking nut 6 is rotated, the bayonet lock 502 is released after the adjusting is finished, and the bayonet lock 502 is continuously clamped into the bayonet groove 601 on the locking nut 6 to be locked, and the adjusting is finished at the moment;

because the cross connector 3 is provided with the sealing fastening bolts 301, the cross connector 3 is in threaded connection with the four sealing fastening bolts 301, and each sealing fastening bolt 301 is provided with the hexagonal adjusting groove 302 and the rectangular groove 303, the dismounting tool can be adapted to various dismounting tools for dismounting, so that the phenomenon of difficult dismounting caused by external deformation of the sealing fastening bolts 301 can be prevented;

due to the arrangement of the limiting structure 5, firstly, each bayonet 502 is provided with the rectangular hole 503 for reducing the weight of the bayonet 502, and the weight of the bayonet 502 is reduced while the function of the bayonet 502 is not influenced by the arrangement of the rectangular hole 503, so that the manufacturing cost and the total weight of the device are saved; secondly, an L-shaped blocking block 506 for preventing the rubber rib 505 from being separated is welded at the position of the rectangular clamping groove 504 on each clamping pin 502, so that the mounting stability of the rubber rib 505 is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a swing arm type agricultural machine transmission shaft device which characterized in that: comprises a transmission shaft body (1); the head end and the tail end of the transmission shaft rod body (1) are fixedly connected with a connecting seat (2) through locking nuts (6), and each connecting seat (2) is rotatably connected with a connecting shaft sleeve (4) through a cross-shaped connector (3); each connecting seat (2) is welded with a limiting structure (5).

2. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the transmission shaft body of rod (1) includes plug (101) and shelves ring (102), the transmission shaft body of rod (1) head end and tail end are plug (101) that are used for connecting, just it has two shelves ring (102) that are used for rotating the connection with lock nut (6) still to weld on the transmission shaft body of rod (1) outer wall.

3. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the connecting seat (2) is including jack (201) and rotation regulation seat (202), every the connecting seat (2) is pegged graft through jack (201) and plug (101) and is linked to each other, and every it has one to rotate regulation seat (202) all to weld on connecting seat (2), and the connecting seat on rotation regulation seat (202) and connecting axle sleeve (4) is connected through cross connector (3) that are used for rotating the regulation.

4. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: cross connector (3) are including sealed fastening bolt (301), hexagon adjustment tank (302) and rectangular channel (303), threaded connection has four sealed fastening bolt (301) on cross connector (3), and every sealed fastening bolt (301) are gone up and are all seted up one hexagon adjustment tank (302) and one rectangular channel (303).

5. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the limiting structure (5) comprises two rotating connecting seats (501), clamping pins (502) and rectangular holes (503), and the two rotating connecting seats (501) on the limiting structure (5) are symmetrically welded on the outer side of the connecting seat (2); each rotating connecting seat (501) is rotatably connected with a clamping pin (502), and each clamping pin (502) is provided with a rectangular hole (503) for reducing the weight of the clamping pin (502).

6. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the limiting structure (5) further comprises a rectangular clamping groove (504) and a rubber rib (505), each clamping pin (502) is provided with one rectangular clamping groove (504), and two clamping pins (502) are sleeved with the rubber rib (505) used for tightening the two clamping pins (502) at the position of the rectangular clamping groove (504).

7. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the limiting structure (5) further comprises a blocking block (506), and an L-shaped blocking block (506) used for preventing the rubber rib (505) from being separated is welded at the position, located on the rectangular clamping groove (504), of each clamping pin (502).

8. The arm swing type agricultural machine drive shaft apparatus of claim 1, wherein: the locking nut (6) comprises clamping grooves (601), the locking nut (6) is rotatably connected to the retaining ring (102), the locking nut (6) is in threaded connection with the connecting seat, and the clamping grooves (601) are formed in the outer wall of the locking nut (6) in an annular array shape; the clamping groove (601) is matched with the clamping pins (502), and when the rubber rib (505) tightens the two clamping pins (502), the clamping pins (502) are clamped with the clamping groove (601).