CN-117212352-B - Agricultural machinery transmission shaft capable of being rapidly detached

CN117212352BCN 117212352 BCN117212352 BCN 117212352BCN-117212352-B

Abstract

The invention provides an agricultural machinery transmission shaft capable of being rapidly disassembled, belongs to the technical field of transmission shafts, and solves the problems that the existing agricultural machinery transmission shaft is inconvenient to replace and disassemble and does not have a protection function. The utility model provides an agricultural machinery transmission shaft that can dismantle fast, including the installation piece, the bilateral symmetry of installation piece is equipped with protection machanism, and the installation piece slides and is provided with the transmission shaft main part, and the installation piece is provided with axial stop gear, and protection machanism inside is equipped with the fixed block, is equipped with the threaded pin of symmetric distribution on the protection machanism, and the end fixing of threaded pin has rotatory handle, has seted up the joint groove on the fixed block and has dodged the groove, is equipped with articulated seat on the protection machanism, articulates on the articulated seat has the cross, and the tip of cross is equipped with the go-between. The invention can be used for rapidly and conveniently disassembling the agricultural machine transmission shaft, can prevent dust, soil and the like from entering the device during the operation of the agricultural machine, protects the agricultural machine transmission shaft, can also be used for adjusting the protection mechanism according to the length of the agricultural machine transmission shaft, and improves the protection capability.

Inventors

GAO JUN
GAO QIANGQIANG
YANG LI
GAO YANG
CHEN LUOXIN
HU SHAOBIN
Ye Xinde

Assignees

浙江久开传动轴有限公司

Dates

Publication Date: 20260508
Application Date: 20230823

Claims (3)

1. The utility model provides a quick detachable agricultural machinery transmission shaft, including installation piece (2), its characterized in that, the bilateral symmetry of installation piece (2) is equipped with protection machanism, and the slip of installation piece (2) is provided with transmission shaft main part (16), installation piece (2) are provided with axial stop gear, the inside fixed block (12) that is equipped with of protection machanism, be equipped with symmetrically distributed's screw thread round pin (11) on the protection machanism, the tip of screw thread round pin (11) is fixed with rotatory handle (18), set up joint groove (19) and dodge groove (21) on fixed block (12), be equipped with articulated seat (31) on the protection machanism, articulated on articulated seat (31) have cross axle (3), the tip of cross axle (3) is equipped with go-between (4), transmission shaft main part (16) are by last transmission shaft (22) and lower transmission shaft (28) constitute, the outside of the middle-end of last transmission shaft (22) and lower transmission shaft (28) is fixed with circumference slip lug (23), all be fixed with limit lug (13) of symmetrically distributed on the middle-end of last transmission shaft (22) and lower transmission shaft (28), the middle part (22) is equipped with joint groove (30) of joint groove (30) and the joint of last transmission shaft (28) has joint sand grip (30), the hinge seat (31) is fixed on the outer wall of the fixed seat (7), the fixed block (12) is fixed on the inner wall of the fixed seat (7), the upper end and the lower end of the fixed seat (7) are fixedly provided with symmetrically distributed clamping seats (5), a right protection shell (37) or a left protection shell (38) is arranged between the clamping seats (5) and the threaded pins (11), slotted holes are formed in the right protection shell (37) and the left protection shell (38), the inner wall of the left protection shell (38) is abutted against the outer wall of the right protection shell (37), the right protection shell (37) and the left protection shell (38) form a protection shell (1), a protection pad (36) is arranged on the protection shell (1), mounting holes are formed in the protection pad (36), a rotating seat (35) is fixed in the mounting holes, a non-threaded part of the threaded pins (11) is rotationally arranged in the rotating seat (35), a fixed groove is formed in the front end face of the fixed seat (7), a limiting pin (8) is arranged in the fixed groove, two symmetrically distributed connecting rods (6) are fixed on the inner wall of the fixed seat (7), and the connecting rods (6) are formed by a positive threaded rod (33) The axial limiting mechanism comprises a baffle plate (10), reset grooves (29) which are symmetrically distributed are formed in two ends of an installation block (2), sliding rods (24) which are symmetrically distributed are connected in a sliding mode, the baffle plate (10) is fixed between the two sliding rods (24), a connecting plate (26) is fixed at the end portion of the baffle plate (10), a handle (9) is fixed at the end portion of the connecting plate (26), a plurality of reset springs (25) are fixed in the reset grooves (29), and the end portion of the reset springs (25) is fixedly connected with the sliding rods (24).
2. The quick detachable agricultural machinery transmission shaft according to claim 1, wherein the end parts of the upper transmission shaft (22) and the lower transmission shaft (28) are respectively fixed with clamping blocks (17), the middle parts of the two clamping blocks (17) are respectively provided with a limiting concave strip (15), the side surfaces of the two clamping blocks (17) are respectively fixed with a symmetrically distributed limiting convex strip (14), and the two clamping blocks (17) are respectively clamped with the clamping grooves (19).
3. The quick detachable agricultural machinery transmission shaft according to claim 2, wherein the middle part of the installation block (2) is provided with a sliding groove (20), the transmission shaft main body (16) is slidably connected inside the sliding groove (20), the installation block (2) is provided with symmetrically distributed installation grooves, the anti-tooth threaded rod (34) is slidably installed in the installation grooves, the upper end and the lower end of the installation block (2) are provided with symmetrically distributed threaded holes I (27), the threaded holes I (27) are communicated with the installation grooves, the slotted holes are communicated with the threaded holes I (27), and the threaded pins (11) penetrate through the slotted holes and are in threaded connection with the threaded holes I (27) and the threaded holes II.

Description

Agricultural machinery transmission shaft capable of being rapidly detached Technical Field The invention belongs to the technical field of transmission shafts, and relates to an agricultural machinery transmission shaft capable of being rapidly detached. Background The agricultural machine transmission shaft is applied to power transmission of modern agricultural machines, and most commonly, power transmission between a tractor and an agricultural machine or between power output and input of the agricultural machine, so that the agricultural machine achieves the effect of normal work. The existing transmission shaft of the agricultural machine is generally fastened by utilizing a plurality of bolts, is troublesome in replacement and disassembly, is often exposed outside when being applied to transmission between a tractor and an agricultural machine, has no protection function, and enables a severe operation environment to influence the transmission shaft during operation of the agricultural machine. Through searching, for example, chinese patent literature discloses a rapidly disassembled agricultural machine transmission shaft (application number: 201920166117.5; publication number: CN 209743414U). The agricultural machinery transmission shaft comprises a movable shaft and a fixed shaft, wherein the movable shaft is movably connected with one end, close to the movable shaft, of the movable shaft, the movable shaft sequentially comprises a first prism section and a first cylinder section from left to right, and the fixed shaft sequentially comprises a second cylinder section and a second prism section from left to right. The agricultural machinery transmission shaft disclosed in the patent can be conveniently and rapidly disassembled, but the disassembling mode is still complex, has certain difficulty, does not have a protection function, cannot adapt to the severe action environment of the agricultural machinery, and has low service life. Based on this, we provide an agricultural machinery transmission shaft that can dismantle fast, this device can reduce the dismantlement degree of difficulty, can increase the joint intensity when the transmission shaft joint, improve the stability of this device, dust and earth etc. get into this device when can preventing agricultural machinery operation, avoid abominable operation environment to influence the operation of this device, reduce the wearing and tearing of external environment to the transmission shaft main part, improve the life of transmission shaft main part, can adjust the length of connecting rod, be adapted to the agricultural machinery transmission shaft use of different length, improved application range. Disclosure of Invention The invention aims to solve the problems in the prior art and provides the rapidly detachable agricultural machinery transmission shaft, and the technical problem to be solved by the invention is how to rapidly and conveniently detach the high-strength agricultural machinery transmission shaft, and the invention also has an adjustable protection function. The aim of the invention can be achieved by the following technical scheme: The utility model provides an agricultural machinery transmission shaft that can dismantle fast, includes the installation piece, the bilateral symmetry of installation piece is equipped with protection machanism, and the installation piece is provided with the transmission shaft main part in the slip, and the installation piece is provided with axial stop gear, and protection machanism inside is equipped with the fixed block, is equipped with the threaded pin of symmetric distribution on the protection machanism, and the end fixing of threaded pin has rotatory handle, has seted up the joint groove on the fixed block and has dodged the groove, is equipped with articulated seat on the protection machanism, articulates on the articulated seat has the cross, and the tip of cross is equipped with the go-between. The invention has the working principle that when the agricultural machinery transmission shaft is dismounted, the rotary handle is rotated, the rotary handle drives the threaded pin to rotate until the threaded pin is dismounted, the two connecting rings are pulled, the two connecting rings respectively drive the two cross shafts to pull open, the two cross shafts are distributed to drive the two hinging seats to pull open, the two hinging seats respectively drive the two protection mechanisms to pull open, the protection mechanisms are dismounted, the axial dismounting of the transmission shaft main body is rapidly and conveniently completed through the axial limiting mechanism, and the rapid dismounting of the agricultural machinery transmission shaft is completed. The transmission shaft main part comprises last transmission shaft and lower transmission shaft, and the outside of the middle-end of going up transmission shaft and lower transmission shaft is fixed with the slip lug of circumfe