Search

CN-115885608-B - Connecting device and tedder

CN115885608BCN 115885608 BCN115885608 BCN 115885608BCN-115885608-B

Abstract

The invention relates to the technical field of mechanical engineering, in particular to a connecting device and a tedder, wherein the connecting device is used for connecting the tedder with a tractor and adjusting the position between the tedder and the tractor, and comprises a connecting component, a limiting piece and a connecting rod, wherein the connecting component comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are respectively connected with the tedder and the tractor, the adjacent ends of the first connecting piece and the second connecting piece are connected in a sliding and inserting way, and the first connecting piece and the second connecting piece are limited by the limiting piece after being inserted in a mutually inserting way; at least one damping assembly, damping assembly is close to first connecting piece with the second connecting piece is to inserting the department setting, damping assembly sets up on first connecting piece and/or the second connecting piece, and the bracing piece length between tedder and the tractor is unadjustable among the prior art has been solved, leads to the bracing piece to receive torsion or cracked technical problem after the vibration.

Inventors

  • ZHANG NU
  • LIU YI

Assignees

  • 沃得重工(中国)有限公司

Dates

Publication Date
20260505
Application Date
20210930

Claims (6)

  1. 1. A connecting device for connecting a tedder to a tractor and for adjusting a position between the tedder and the tractor, comprising: The connecting assembly (1), the connecting assembly (1) comprises a first connecting piece (11) and a second connecting piece (12), the first connecting piece (11) is connected with the tractor, the second connecting piece (12) is connected with the tedder, adjacent ends of the first connecting piece (11) and the second connecting piece (12) are connected in a sliding and inserting mode, and the first connecting piece (11) and the second connecting piece (12) are limited by a limiting piece (3) after being inserted; At least one vibration reduction assembly (2), wherein the vibration reduction assembly (2) is arranged close to the opposite insertion position of the first connecting piece (11) and the second connecting piece (12), and the vibration reduction assembly (2) is arranged on the second connecting piece (12); The diameter of the first connecting piece (11) is smaller than that of the second connecting piece (12), a plurality of adjusting holes (111) are formed in the side wall of the first connecting piece (11) along the axial direction, limiting holes (121) corresponding to the adjusting holes (111) are formed in the second connecting piece (12), and the limiting piece (3) penetrates through the limiting holes (121) and the adjusting holes (111) so as to limit the first connecting piece (11) and the second connecting piece (12); the adjusting hole (111) is a waist-shaped hole, so that the first connecting piece (11) can move relative to the limiting piece (3); the vibration damping assembly (2) comprises: The clamping parts (211) of the two clamping parts (21) are oppositely arranged to form a clamping channel, and the second connecting piece (12) is arranged on the clamping channel in a penetrating way; -at least one fastener (22), said fastener (22) performing a fastening action on both said clamps (21); an elastic piece (23), wherein the elastic piece (23) is sleeved on the fastening piece (22); Be provided with on the second connecting piece (12) and bear base plate (122), bear base plate (122) with clamping piece (21) correspond the setting, bear base plate (122) with be provided with damping piece (4) between clamping piece (21), fastener (22) will bear base plate (122) damping piece (4) with clamping piece (21) link together.
  2. 2. The connection device according to claim 1, characterized in that the clamping part (211) is adapted to the outer wall of the second connection piece (12), the clamping piece (21) being composed of nitrile rubber.
  3. 3. A tedder comprising a connecting device according to any of claims 1-2.
  4. 4. A tedder according to claim 3, further comprising a connecting frame (5) and a boom (6), wherein one side of the connecting frame (5) is connected to the tractor via a plug-in connector, one end of the connecting frame (5) is connected to the boom (6) via a plug-in module (7), and a support (61) is connected to the boom (6).
  5. 5. The tedder according to claim 4, wherein the plug module (7) comprises: The limiting plug-in piece (71) penetrates through the bearing holes in the connecting frame (5) and the lifting arm (6) so as to enable the connecting frame (5) to be connected with the lifting arm (6), a limiting groove (711) is formed in the limiting plug-in piece (71), and the end part of the lifting arm (6) stretches into the limiting groove (711) to limit the limiting plug-in piece (71); The pulling piece (73), the pulling piece (73) is connected with the limiting plug-in unit (71) by means of the connecting plate (72), and the pulling piece (73) is connected with the oil cylinder dustproof locking cover of the tedder through a rope.
  6. 6. The tedder according to claim 4, wherein the connecting frame (5) is provided with a connecting ball seat (51), an inner ball of the connecting ball seat (51) is in running fit with the tractor, pipe frames (52) are further formed on two sides of the connecting frame (5), clamping grooves (521) are formed on the pipe frames (52), and one end of the protecting piece (8) stretches into the clamping grooves (521).

Description

Connecting device and tedder Technical Field The invention relates to the technical field of mechanical engineering, in particular to a connecting device and a tedder. Background In recent years, in order to improve harvesting efficiency, people commonly use a harvester to harvest corn or pasture, corn stalks or pasture are generally piled up in furrows after being harvested and aired, straws on the surface layer are easy to dehydrate and dry, straws on the bottom layer are not easy to dry due to being covered, if direct pickup and press-bales can cause mildew, and in order to avoid mildew, the tedding treatment must be carried out, so that the tedding machine is widely used, a pin shaft type connection mode is adopted when the tedding machine is connected with a tractor in a three-point mode in the prior art, a power source and a hydraulic source of the tedding machine are also connected through the output of the tractor, and the following problems exist in the mode: 1. the length of the connecting support rod between the tedder and the tractor is not adjustable, and when the cylinders at the two sides of the tedder are not thoroughly retracted or the finger rod groups at the two sides can influence the operation effect of the tedder due to uneven ground. 2. The tractor is connected in a pin shaft type (with larger gap) mode, after the tractor is put flat and the tedder, the phenomenon of front-back offset of the left side and the right side can occur, the resistance of the finger rods on the two sides is uneven, when swinging or vibration occurs, the torsion (stress) of the finger rods cannot be released, and the support rods with unchanged length can be broken or the tedder can be damaged and cannot work. Disclosure of Invention The invention provides a connecting device and a tedder, which aim to solve the technical problem that the supporting rod is broken after being subjected to torsion or vibration due to the fact that the length of the supporting rod between the tedder and a tractor is not adjustable in the prior art. The technical scheme of the invention is as follows: The connecting device is used for connecting a tedder and a tractor and adjusting the position between the tedder and the tractor, and comprises a connecting component, at least one vibration reduction component and at least one vibration reduction component, wherein the connecting component comprises a first connecting piece and a second connecting piece, the first connecting piece is connected with the tractor, the second connecting piece is connected with the tedder, adjacent ends of the first connecting piece and adjacent ends of the second connecting piece are connected in a sliding opposite way, the first connecting piece and the second connecting piece are limited by a limiting piece after opposite-plug, the vibration reduction component is close to the opposite-plug position of the first connecting piece and the second connecting piece, and the vibration reduction component is arranged on the first connecting piece and/or the second connecting piece. According to one embodiment of the invention, the diameter of the first connecting piece is smaller than that of the second connecting piece, a plurality of adjusting holes are formed in the side wall of the first connecting piece along the axial direction, limiting holes corresponding to the adjusting holes are formed in the second connecting piece, and the limiting piece penetrates through the limiting holes and the adjusting holes so as to limit the first connecting piece and the second connecting piece. According to one embodiment of the invention, the adjustment aperture is configured as a kidney-shaped aperture such that the first connecting member is movable relative to the stop member. According to one embodiment of the invention, the vibration damping assembly comprises two clamping pieces, at least one fastening piece and an elastic piece, wherein clamping parts of the two clamping pieces are oppositely arranged to form a clamping channel, the second connecting piece is arranged on the clamping channel in a penetrating mode, the fastening piece is used for fastening the two clamping pieces, and the elastic piece is sleeved on the fastening piece. According to one embodiment of the invention, the second connecting piece is provided with a bearing substrate, the bearing substrate and the clamping piece are correspondingly arranged, a vibration reduction piece is arranged between the bearing substrate and the clamping piece, and the fastening piece is used for connecting the bearing substrate, the vibration reduction piece and the clamping piece together. According to one embodiment of the invention, the clamping part is adapted to the outer wall of the second connecting piece, the clamping piece being composed of nitrile rubber. A tedder comprises the connecting device. According to one embodiment of the invention, the tedder further comprises a connecting frame and a li