CN-224218852-U - Front end hooking structure of middle-mounted mower of tractor and tractor

CN224218852UCN 224218852 UCN224218852 UCN 224218852UCN-224218852-U

Abstract

A front end hooking structure of a middle-mounted mower of a tractor and the tractor relate to the technical field of mowers for tractors. The hanging structure comprises a front hook component and a traction rod component, the front hook component is used for being fixedly connected with a front bracket of the tractor, and the traction rod component is used for being connected with the mower; the locking rocker assembly comprises at least two oppositely arranged rotating plates and a handle connecting shaft, wherein the handle connecting shaft penetrates through and is fixedly connected with the rotating plates, a rocker rotating shaft is arranged on each rotating plate, a first spring locking pin mechanism is arranged on at least one rotating plate, the front hook assembly comprises at least two hook-shaped front hanging plates which are oppositely arranged and are used for being hung on the handle connecting shaft, locking holes corresponding to the first spring locking pin mechanisms are formed in the front hanging plates, the traction rod assembly comprises traction rods corresponding to the rotating plates, and a rotary sleeve is arranged at the front end of each traction rod. The application has the advantages of high hooking speed, reliable connection, strong universality and the like.

Inventors

SUN HAO
HU JUNTAO
CUI HAIMING
ZHANG ZHI
ZHU XIAOYAN
YANG XUJIE
CHU HAO
WANG XINKAI
ZHANG JIE
LIANG CHAO

Assignees

潍柴雷沃智慧农业科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250529

Claims (10)

1. The front end hooking structure of the middle mower of the tractor comprises a front hook component and a traction rod component, wherein the front hook component is used for being fixedly connected with a front bracket of the tractor, and the traction rod component is used for being connected with the mower; The locking rocker assembly comprises at least two rotating plates and a handle connecting shaft which are oppositely arranged, wherein the handle connecting shaft penetrates through and is fixedly connected with the rotating plates, a rocker rotating shaft is arranged on each rotating plate, and a first spring locking pin mechanism is arranged on at least one rotating plate; The front hook assembly comprises at least two hook-shaped front hanging plates which are oppositely arranged, wherein the front hanging plates are used for being hung with the handle connecting shaft; The traction rod assemblies comprise traction rods which are arranged corresponding to the rotating plates, a rotating sleeve is arranged at the front end of each traction rod, and the rotating sleeves are sleeved on the rocker rotating shafts, so that the traction rod assemblies can rotate relative to the locking rocker assemblies.
2. The tractor center mower front hitch structure of claim 1, wherein the front hitch assembly further includes a first connecting bar and a second connecting bar; The two ends of the first connecting rod and the second connecting rod respectively penetrate out of the upper parts of the front hanging plates and are fixedly connected with the front hanging plates.
3. The front end hitch of a tractor center mower of claim 2, wherein the lower position of each of said front hitch plates is further connected by a stiffening plate.
4. The front end hooking structure of a middle-mounted mower of claim 1, wherein a connecting pull rod assembly is further arranged between the pull rod assembly and the mower; The connecting pull rod assembly comprises a connecting screw sleeve, a pull fork, a second spring lock pin mechanism and a screw; The second spring lock pin mechanism is arranged on the pull fork, the pull fork is in a clamp shape, and the pull fork is connected with a mounting plate of the mower through the second spring lock pin mechanism; The front end of the pull fork is provided with an internal thread section, and the screw penetrates through the bottom surface of the rear part of the connecting screw sleeve to be in threaded connection with the front end of the pull fork; The front end of the connecting screw sleeve is provided with an internal thread section, the rear end of the traction rod is provided with an external thread section, and the connecting screw sleeve is in threaded connection with the traction rod.
5. The front end hooking structure of a tractor center mower of claim 4, wherein the rear section of the interior of the connecting screw sleeve is a smooth wall, and the portion of the screw located in the connecting screw sleeve is a smooth section, so that the connecting screw sleeve and the screw can rotate relatively.
6. The tractor center mower front end hitch structure of claim 4, wherein the screw is also connected to the pull fork by spot welding.
7. The front end hooking structure of a tractor center mower of claim 4, further comprising a backup nut disposed on an external thread section of the traction rod and abutting against the front end of the connecting screw sleeve.
8. The tractor center mower front attachment structure of claim 1, wherein said drawbar assembly further includes a drawbar connection plate connected between each of said drawbars.
9. The front end hooking structure of a middle mower of claim 2, wherein one of the first connecting rod and the second connecting rod is sleeved with a first sheath at the outer part of the front hanging plate, and the other one is sleeved with a second sheath at the part between the two front hanging plates.
10. A tractor, comprising a tractor front bracket, a fixed hanger and the front end hooking structure of the middle mower of the tractor as claimed in any one of claims 1 to 9; the fixed hanging frame is arranged on the front bracket of the tractor, and the front hanging hook component is connected with the fixed hanging frame.

Description

Front end hooking structure of middle-mounted mower of tractor and tractor Technical Field The application relates to the technical field of mowers for tractors, in particular to a front end hanging structure of a middle-mounted mower of a tractor and the tractor. Background At present, a mower of a tractor is usually hung at the front end or the rear end of the tractor, a middle mower is less used, and the problems of low hanging speed, unreliable connection and the like exist. The utility model discloses a put mower front end in tractor and articulate structure in patent CN202421124387.7, this application has designed suitable structure to tractor front bracket and mower main part, can hang the mower below the tractor, between the two-wheeled, has realized put mower of tractor, has still adopted the automatic mode of articulating of tractor travel, has improved the efficiency of articulating. However, in this application, only the connection mode of the hanging frame and the hook component is adopted, the connection mode is not firm enough, and especially in the use process of jolting places, the risk of unhooking exists. Disclosure of utility model The application aims to provide a front end hooking structure of a middle-mounted mower of a tractor and the tractor, and the front end hooking structure has the advantages of reliable connection, convenience in operation and the like. In a first aspect, the front end hooking structure of the middle-mounted mower of the tractor comprises a front hook assembly and a traction rod assembly, wherein the front hook assembly is used for being fixedly connected with a front bracket of the tractor, the traction rod assembly is used for being connected with the mower, and the front end hooking structure further comprises a locking rocker assembly; The locking rocker assembly comprises at least two rotating plates and a handle connecting shaft which are oppositely arranged, wherein the handle connecting shaft penetrates through and is fixedly connected with the rotating plates, a rocker rotating shaft is arranged on each rotating plate, and a first spring locking pin mechanism is arranged on at least one rotating plate; The front hook assembly comprises at least two hook-shaped front hanging plates which are oppositely arranged, wherein the front hanging plates are used for being hung with the handle connecting shaft; The traction rod assemblies comprise traction rods which are arranged corresponding to the rotating plates, a rotating sleeve is arranged at the front end of each traction rod, and the rotating sleeves are sleeved on the rocker rotating shafts, so that the traction rod assemblies can rotate relative to the locking rocker assemblies. In a preferred embodiment, the front hook assembly further comprises a first connecting rod and a second connecting rod; The two ends of the first connecting rod and the second connecting rod respectively penetrate out of the upper parts of the front hanging plates and are fixedly connected with the front hanging plates. In a preferred embodiment, the lower position of each of the front hanging plates is also connected by a reinforcing plate. In a preferred embodiment, a connecting pull rod assembly is further arranged between the traction rod assembly and the mower, and comprises a connecting screw sleeve, a pull fork, a second spring lock pin mechanism and a screw; The second spring lock pin mechanism is arranged on the pull fork, the pull fork is in a clamp shape, and the pull fork is connected with a mounting plate of the mower through the second spring lock pin mechanism; The front end of the pull fork is provided with an internal thread section, and the screw penetrates through the bottom surface of the rear part of the connecting screw sleeve to be in threaded connection with the front end of the pull fork; The front end of the connecting screw sleeve is provided with an internal thread section, the rear end of the traction rod is provided with an external thread section, and the connecting screw sleeve is in threaded connection with the traction rod. In a preferred embodiment, the rear section of the interior of the connecting screw sleeve is a smooth wall, and the portion of the screw located in the connecting screw sleeve is a smooth section, so that the connecting screw sleeve and the screw can rotate relatively. In a preferred embodiment, the screw is also connected to the pull fork by spot welding. In a preferred embodiment, the traction rod further comprises a backup nut, wherein the backup nut is arranged on the external thread section of the traction rod and is abutted with the front end of the connecting screw sleeve. In a preferred embodiment, the drawbar assembly further comprises a drawbar connection plate connected between each of the drawbars. In a preferred embodiment, one of the first connecting rod and the second connecting rod is sleeved with a first sheath at the outer side part of the front hanging p