CN217088646U

CN217088646U - Seeder monomer flexible shaft transmission mechanism

Info

Publication number: CN217088646U
Application number: CN202221108467.4U
Authority: CN
Inventors: 刘振友; 贾莹
Original assignee: Heilongjiang Zhongwei Agricultural Machinery Co ltd
Current assignee: Heilongjiang Zhongwei Agricultural Machinery Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-02
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a single flexible shaft transmission mechanism of a seeder, wherein the two ends of a transmission flexible shaft are respectively connected with a first transmission box and a second transmission box for transmitting power, the central positions inside the first transmission box and the second transmission box are respectively embedded and rotationally connected with first transmission bevel gears, and the two first transmission bevel gears are respectively rotationally connected with the middle parts of the first transmission box and the second transmission box through central bearing seats at the central positions inside the first transmission box and the second transmission box, the utility model realizes that the synchronous transmission is realized through a power transmission mechanism at the two ends of the transmission flexible shaft respectively by respectively connecting the first transmission box and the second transmission box and arranging a group of first transmission bevel gears and second transmission bevel gears which are meshed and drivingly connected at the inner sides of the first transmission box and the second transmission box, and simultaneously, the two ends of the transmission flexible shaft can keep the same rotating speed for transmission, the transmission effect of the transmission flexible shaft in the actual action process is improved.

Description

Seeder monomer flexible shaft transmission mechanism

Technical Field

The utility model relates to the technical field of a transmission structure of a seeder, in particular to a flexible shaft transmission mechanism of a seeder monomer.

Background

The ground wheel of the existing seeder is connected with traction equipment driving the seeder to move through chain transmission, and meanwhile, the ground wheel is connected with a seeding discharging rotating shaft through chain transmission, and the seeding discharging mechanism is driven through the ground wheel to realize seeding discharging, however, because the ground wheel is directly contacted with soil, the ground wheel has the possibility of slipping in the seeding process, so that the seeding discharging mechanism cannot normally discharge and seed, and the seeding effect is influenced, therefore, the transmission is realized through a flexible shaft, the flexible shaft is usually formed by alternately winding a core wire steel wire in the middle and a plurality of layers of steel wires outside, 4-12 steel wires are arranged on each layer, the winding directions of adjacent 2 layers of steel wires are opposite, the flexible shaft finished products are distinguished in left and right rotation directions, and the flexible shaft is suitable for different rotation directions of a motor and ensures the service life of the flexible shaft;

but the flexible axle transmission structure of present seeder generally sets up for the unidirectional drive for the common driven purpose can't be realized at the both ends of flexible axle transmission structure, has reduced the effect of transmission flexible axle actual drive use, is fixed connection between present flexible axle transmission structure generally and the transmission box simultaneously, thereby make the flexible axle can't be convenient and fast dismantle between the transmission box, has reduced the installation convenience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a seeder monomer flexible axle drive mechanism, the flexible axle transmission structure that can effectively solve to put forward present seeder among the above-mentioned background art generally sets up for one-way transmission, make the unable common driven purpose of realization in both ends of flexible axle transmission structure, the effect that the transmission flexible axle actual drive used has been reduced, be fixed connection between the flexible axle transmission structure at present simultaneously generally and the transmission box, thereby make the flexible axle can't be convenient and dismantle between the transmission box, the problem of installation convenience has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a single flexible shaft transmission mechanism of a seeder comprises a transmission flexible shaft, a first transmission box and a second transmission box, wherein two ends of the transmission flexible shaft are respectively connected with the first transmission box and the second transmission box which are used for transmitting power, the central positions inside the first transmission box and the second transmission box are respectively embedded and rotatably connected with first transmission bevel gears, the two first transmission bevel gears are respectively and rotatably connected with the middle parts of the first transmission box and the second transmission box through central bearing seats at the central positions inside the first transmission box and the second transmission box, and the middle parts inside the central bearing seats are provided with inner hexagon bolts for fixing the central bearing seats;

the bottom parts of the first transmission box and the second transmission box are respectively embedded and rotatably connected with second transmission bevel gears, the top parts of the two second transmission bevel gears are respectively meshed with the first transmission bevel gears at the corresponding positions through helical gear patterns, and the end parts of the two second transmission bevel gears are respectively rotatably connected to the inner sides of the first transmission box and the second transmission box through end bearing seats;

the two ends of the transmission flexible shaft, which are close to the first transmission box and the second transmission box, are respectively sleeved with a shaft sleeve, the two ends of each shaft sleeve are respectively connected with a connecting clamping rod, and the positions, corresponding to the connecting clamping rods, in the second transmission helical gear are respectively provided with a transmission clamping groove;

the limiting groove is formed in the position, close to the connecting clamping rod, of the edge of the shaft sleeve, limiting through holes are formed in the positions, corresponding to the limiting groove, of the bottoms of the first transmission box and the second transmission box in a penetrating mode, and limiting pin rods are embedded into the inner sides of the limiting through holes and connected in a matching mode.

Preferably, first transmission box and second transmission box all carry out the built-up connection through the mode of concatenation block, and first transmission box and second transmission box limit portion evenly are provided with the dismantlement bolt, and first transmission box and second transmission box are when transmission power, are transmitted power to first transmission box by second transmission box.

Preferably, the connecting clamping rod and the transmission clamping groove are both in a square structure, and the connecting clamping rod and the transmission clamping groove are in tight fit connection.

Preferably, the position of the limiting groove corresponds to that of the limiting through hole, and the inner diameter of the limiting groove and the limiting through hole is equal to the outer diameter of the limiting pin rod.

Preferably, both ends of the limiting pin rod are respectively connected with a threaded connecting rod, the outer side of the threaded connecting rod is matched and sleeved with a compression ring, the two compression rings are connected through two elastic steel wires, and the end part of the threaded connecting rod is connected with a fixed threaded cap through threads.

Preferably, the fixed threaded cap limits the clamp ring on the outer side of the threaded connecting rod, and the limit pin rod is limited in the limit through hole through the clamp ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two ends of the transmission flexible shaft are respectively connected with the first transmission box and the second transmission box, and the inner sides of the first transmission box and the second transmission box are respectively provided with the first transmission helical gear and the second transmission helical gear which are connected in a meshing transmission mode, so that the synchronous transmission can be realized at the two ends of the transmission flexible shaft through the power transmission mechanism, and simultaneously, the two ends of the transmission flexible shaft can keep the same rotating speed for transmission, the transmission effect of the transmission flexible shaft in the actual action process is improved, the transmission mode of the seeder is optimized, and the seeding operation is better facilitated.

2. The connection clamping rod through the end part of the transmission flexible shaft is convenient to carry out quick block transmission connection between the transmission flexible shaft and a transmission clamping groove in the second transmission helical gear, so that the transmission flexible shaft is convenient to disassemble, meanwhile, the limiting pin rod is connected with the limiting groove and the limiting perforation in a matching mode, the position of the shaft sleeve and the connection clamping rod is convenient to limit, the connection clamping rod can stably carry out transmission, meanwhile, the limiting pin rod is easy to disassemble, and therefore the transmission flexible shaft, the first transmission box and the second transmission box are convenient to disassemble.

3. Through threaded connection pole, the clamp ring, fixed limit structure is conveniently add at the both ends of spacing pin rod to elasticity steel wire and fixed thread cap, make spacing pin rod can not appear the phenomenon of offset after spacing groove and spacing perforation are inside in this block, guarantee the stable transmission of transmission flexible axle, simultaneously through the restriction of dismantling fixed thread cap contact clamp ring, make the clamp ring dismantle from the threaded connection pole outside, it is more convenient when dismantling with this messenger's spacing pin rod, and is easy and simple to handle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the first transmission bevel gear of the present invention;

fig. 3 is a schematic view of the mounting structure of the shaft sleeve of the present invention;

FIG. 4 is a schematic view of the connection structure of the connection clamping rod of the present invention;

fig. 5 is a schematic structural view of the limiting perforation of the present invention;

fig. 6 is a schematic structural view of the limit pin rod of the present invention;

fig. 7 is an exploded view of the installation of the limit pin rod of the present invention;

reference numbers in the figures: 1. a flexible transmission shaft; 2. a first transmission box; 3. a second transmission case; 4. a first drive bevel gear; 5. a central bearing seat; 6. a hexagon socket head cap screw; 7. a second drive bevel gear; 8. an end bearing seat; 9. a shaft sleeve; 10. connecting the clamping rod; 11. a transmission clamping groove; 12. a limiting groove; 13. limiting and perforating; 14. a limit pin rod; 15. a threaded connecting rod; 16. a compression ring; 17. an elastic steel wire; 18. and fixing the threaded cap.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a seeder monomer flexible shaft transmission mechanism, which comprises a transmission flexible shaft 1, a first transmission box 2 and a second transmission box 3, wherein both ends of the transmission flexible shaft 1 are respectively connected with the first transmission box 2 and the second transmission box 3 for transmitting power, the first transmission box 2 and the second transmission box 3 are combined and connected in a splicing and clamping way, and the edge parts of the first transmission box 2 and the second transmission box 3 are evenly provided with dismounting bolts, when the first transmission box 2 and the second transmission box 3 transmit power, the second transmission box 3 transmits power to the first transmission box 2, the first transmission box 2 and the second transmission box 3 are conveniently dismounted, thereby the internal transmission parts are conveniently maintained, the internal central positions of the first transmission box 2 and the second transmission box 3 are both embedded and rotatably connected with a first transmission bevel gear 4, the two first transmission bevel gears 4 are respectively connected with the middle parts of the first transmission box 2 and the second transmission box 3 in a rotating way through a central bearing seat 5 at the central position of the inner side of the first transmission bevel gears, and an inner hexagon bolt 6 for fixing the position of the central bearing seat 5 is arranged at the middle part of the inner side of the central bearing seat 5;

the bottoms of the first transmission box 2 and the second transmission box 3 are respectively embedded and rotatably connected with second transmission bevel gears 7, the tops of the two second transmission bevel gears 7 are respectively connected with the first transmission bevel gears 4 at the corresponding positions through helical gear meshing, and the end parts of the two second transmission bevel gears 7 are respectively rotatably connected to the inner sides of the first transmission box 2 and the second transmission box 3 through end part bearing seats 8;

the two ends of the flexible transmission shaft 1, which are close to the first transmission box 2 and the second transmission box 3, are sleeved with shaft sleeves 9, the two ends of each shaft sleeve 9 are connected with connecting clamping rods 10, the positions, corresponding to the connecting clamping rods 10, in the second transmission helical gears 7 are provided with transmission clamping grooves 11, the connecting clamping rods 10 and the transmission clamping grooves 11 are of square structures, the connecting clamping rods 10 and the transmission clamping grooves 11 are in tight fit connection, the fit connection between the connecting clamping rods 10 and the transmission clamping grooves 11 is convenient, meanwhile, the power transmission between the flexible transmission shaft 1 and the two second transmission helical gears 7 is convenient, and the flexible transmission shaft 1 and the two second transmission helical gears 7 are convenient to disassemble;

the limit groove 12 has been seted up with the adjacent position department of connector link 10 to axle sleeve 9 limit portion,

first transmission box

2 and 3 bottoms of second transmission box run through with limit groove 12 corresponding position department and have seted up spacing perforation 13, limit groove 12 and the inboard embedding of spacing perforation 13 agree with and are connected with spacing pin rod 14, limit groove 12 is corresponding with spacing perforation 13's position, and limit groove 12 equals with spacing perforation 13's internal diameter and spacing pin rod 14's external diameter, conveniently come to restrict the position between limit groove 12 and the spacing perforation 13 through spacing pin rod 14, be convenient for simultaneously restrict axle sleeve 9 and transmission flexible axle 1's position.

As shown in fig. 6-7, the two ends of the limit pin 14 are respectively connected with the threaded connection rods 15, the clamp rings 16 are sleeved on the outer sides of the threaded connection rods 15 in a matching manner, the two clamp rings 16 are connected with each other through two elastic steel wires 17, the end portions of the threaded connection rods 15 are connected with the fixed threaded caps 18 through threads, the fixed threaded caps 18 limit the clamp rings 16 on the outer sides of the threaded connection rods 15, the limit pin 14 is limited in the limit through holes 13 through the clamp rings 16, the limit pin 14 is conveniently limited and fixed in position, and the limit pin 14 is conveniently and quickly detached.

The utility model discloses a theory of operation and use flow: in the practical application process of the single flexible shaft transmission mechanism of the seeder, firstly, the first transmission box 2 and the second transmission box 3 which are connected with the two ends of the flexible transmission shaft 1 are utilized to realize synchronous transmission at the two ends of the flexible transmission shaft 1 through power transmission mechanisms respectively, and simultaneously, the two ends of the flexible transmission shaft 1 can keep the same rotating speed for transmission, thereby improving the transmission effect of the flexible transmission shaft 1 in the practical action process;

a group of first transmission bevel gears 4 and second transmission bevel gears 7 which are in meshing transmission connection are arranged on the inner sides of the first transmission box 2 and the second transmission box 3, so that flexible transmission at the same rotating speed is conveniently kept, the position of the first transmission bevel gear 4 is conveniently limited by using a central bearing seat 5 and an inner hexagon bolt 6, stable rotation of the first transmission bevel gear 4 is facilitated, and meanwhile, the position of the second transmission bevel gear 7 is kept stable when the second transmission bevel gear 7 drives the transmission flexible shaft 1 to rotate by using an end bearing seat 8;

when the transmission flexible shaft 1 needs to be disassembled, firstly, the transmission flexible shaft 1 and the transmission clamping groove 11 in the second transmission helical gear 7 are conveniently clamped and connected through the connecting clamping rod 10 at the end part of the transmission flexible shaft 1, so that the transmission flexible shaft 1 can be conveniently and conveniently disassembled by disassembling the connecting clamping rod 10, and the shaft sleeve 9 and the connecting clamping rod 10 are conveniently limited in position through the limit pin 14 by utilizing the fit connection between the limit pin 14 and the limit groove 12 and the limit perforation 13, so that the connection clamping rod 10 can stably drive the transmission flexible shaft 1 to perform transmission, and the operation is convenient and fast;

and limit pin 14 is when installation and dismantlement, through threaded connection pole 15, clamp ring 16, fixed limit structure is constituteed to elastic steel wire 17 and fixed screw cap 18, make limit pin 14 can not appear the phenomenon of offset after the block is inside at spacing groove 12 and spacing perforation 13, guarantee the transmission that transmission flexible axle 1 is stable, simultaneously through the restriction of dismantling fixed screw cap 18 contact clamp ring 16, make clamp ring 16 dismantle from the 15 outsides of threaded connection pole, it is more convenient when dismantling with this messenger limit pin 14, it is convenient further to make to dismantle between transmission flexible axle 1 and first transmission box 2 and the second transmission box 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a seeder monomer flexible axle drive mechanism, includes transmission flexible axle (1), first transmission box (2) and second transmission box (3), transmission flexible axle (1) both ends are connected with first transmission box (2) and second transmission box (3) that are used for transmitting power respectively, its characterized in that: the central positions inside the first transmission box (2) and the second transmission box (3) are respectively embedded with first transmission bevel gears (4) in a rotating manner, the two first transmission bevel gears (4) are respectively connected with the middle parts of the first transmission box (2) and the second transmission box (3) in a rotating manner through central bearing seats (5) at the central positions inside the first transmission box and the second transmission box, and the middle parts of the inner sides of the central bearing seats (5) are provided with inner hexagon bolts (6) for fixing the central bearing seats (5);

the bottom parts of the first transmission box (2) and the second transmission box (3) are respectively embedded and rotatably connected with second transmission bevel gears (7), the top parts of the two second transmission bevel gears (7) are respectively connected with the first transmission bevel gears (4) at the corresponding positions through helical gear meshing, and the end parts of the two second transmission bevel gears (7) are respectively rotatably connected to the inner sides of the first transmission box (2) and the second transmission box (3) through end part bearing seats (8);

the two ends of the transmission flexible shaft (1) close to the first transmission box (2) and the second transmission box (3) are respectively sleeved with a shaft sleeve (9), the two ends of each shaft sleeve (9) are respectively connected with a connecting clamping rod (10), and the positions, corresponding to the connecting clamping rods (10), in the second transmission helical gear (7) are respectively provided with a transmission clamping groove (11);

the limiting groove (12) is formed in the position, close to the connecting clamping rod (10), of the edge of the shaft sleeve (9), the limiting through hole (13) is formed in the positions, corresponding to the limiting groove (12), of the bottoms of the first transmission box (2) and the second transmission box (3) in a penetrating mode, and the limiting pin rod (14) is connected to the inner sides of the limiting groove (12) and the limiting through hole (13) in an embedded fit mode.

2. The flexible shaft transmission mechanism of the seeder monomer according to claim 1, characterized in that: first transmission box (2) and second transmission box (3) all carry out the built-up connection through the mode of concatenation block, and first transmission box (2) and second transmission box (3) limit portion evenly are provided with the dismantlement bolt, and first transmission box (2) and second transmission box (3) are when transmitting power, are transmitted power to first transmission box (2) by second transmission box (3).

3. The flexible shaft transmission mechanism of the seeder monomer according to claim 1, characterized in that: the connecting clamping rod (10) and the transmission clamping groove (11) are both of a square structure, and the connecting clamping rod (10) is tightly matched and connected with the transmission clamping groove (11).

4. The flexible shaft transmission mechanism of the seeder monomer according to claim 1, characterized in that: the position of the limiting groove (12) corresponds to that of the limiting through hole (13), and the inner diameters of the limiting groove (12) and the limiting through hole (13) are equal to the outer diameter of the limiting pin rod (14).

5. The flexible shaft transmission mechanism of the seeder monomer according to claim 1, characterized in that: the two ends of the limiting pin rod (14) are respectively connected with a threaded connecting rod (15), the outer side of the threaded connecting rod (15) is matched and sleeved with a pressing ring (16), the two pressing rings (16) are connected through two elastic steel wires (17), and the end part of the threaded connecting rod (15) is connected with a fixed thread cap (18) through threads.

6. The flexible shaft transmission mechanism of the seeder unit according to claim 5, wherein: the fixed threaded cap (18) limits the compression ring (16) on the outer side of the threaded connecting rod (15), and the limit pin rod (14) is limited in the limit through hole (13) through the compression ring (16).