Front end hitching structure of middle mower of tractor and tractor

Abstract

The utility model relates to a tractor middle mower front end hitching structure and a tractor and relates to the field of tractors and mowers, the hitching structure comprises a hook assembly and a hanging assembly, the hook assembly is used for being fixedly connected with a front bracket of the tractor, and the hanging assembly is used for being fixedly connected with a mower body. The hook assembly is provided with a hanging part with a forward opening, and the front end of the hanging assembly tilts upwards to form a hanging part which is matched with the hanging part in a hanging mode. When the middle-arranged mower is hooked with a tractor, the mower is flatly placed on the ground, front wheels of the tractor press over a shell of the mower and continue to run forwards by a certain distance, and at the moment, a hooking part of a hook assembly fixed on a front bracket of the tractor automatically hooks a hanging part of a hanging assembly; therefore, the front part of the mower is automatically connected with the tractor.

Description

Technical Field

[0001] The utility model relates to the field of tractors and lawn mowers, in particular to a front end hanging structure of a lawn mower mounted in a tractor and a tractor. Background Art

[0002] At present, the lawn mower of the tractor is usually mounted on the front or rear end of the tractor, and there is no mid-mounted lawn mower. Moreover, the lawn mower is manually mounted, which is very inconvenient, time-consuming and labor-intensive. In addition, the lawn mower cannot be adjusted after being mounted, and there is a problem of uneven front and back, which brings great inconvenience to the use of the lawn mower. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a front-end hanging structure of a tractor mid-mounted lawn mower and a tractor. The mid-mounted lawn mower is hung under the tractor and between two wheels, and the hanging efficiency is high. At the same time, the lawn mower can be adjusted front and back horizontally to ensure its use effect.

[0004] A technical solution of the utility model to solve the above-mentioned technical problems is as follows: a front-end hanging structure of a tractor-mounted lawn mower comprises a hook assembly and a hanging assembly, wherein the hook assembly is used to be fixedly connected to the front bracket of the tractor, and the hanging assembly is used to be connected to the main body of the lawn mower, and the hook assembly has a hanging portion that opens forward, and the front end of the hanging assembly is upwardly tilted to form a hanging portion that cooperates with the hanging portion for hanging.

[0005] The beneficial effects of the utility model are as follows: the utility model designs a suitable structure for the front bracket of the tractor and the main body of the lawn mower, can hang the lawn mower under the tractor and between the two wheels, realizes the mid-mounted lawn mower of the tractor, and also adopts the automatic hanging mode when the tractor is running, the hanging is stable and reliable, and the hanging efficiency is high.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the hook assembly includes a fixed bracket and a quickly detachable hook, the upper end of the fixed bracket is used to be fixedly connected to the front bracket of the tractor, the upper end of the quickly detachable hook is detachably connected to the lower end of the fixed bracket, and the lower end of the quickly detachable hook has the hanging portion opening forward.

[0008] The beneficial effect of adopting the above further solution is that the quick-detachable hook is detachable, and when the lawn mower is not needed, the quick-detachable hook can be removed to avoid affecting the bottom height of the tractor.

[0009] Furthermore, the lower end of the fixed hanger is detachably connected to a quickly detachable shaft, and the upper end of the quickly detachable hook is fixedly connected to the quickly detachable shaft.

[0010] Furthermore, the lower end of the fixed hanger has a bayonet opening forward, the bayonet is located below the quickly detachable shaft, and a hanging shaft is arranged in the middle of the quickly detachable hook, and the hanging shaft is stuck in the bayonet.

[0011] The beneficial effect of adopting the above further solution is that the structural design of the suspension shaft and the bayonet can accurately limit the rotation of the quickly detachable hook, thereby ensuring the stability of the overall structure of the mid-mounted lawn mower during and after the hooking process.

[0012] Furthermore, the hanging assembly includes a hanging bracket and a connecting bracket. The hanging bracket is a U-shaped structure, the front end of which is closed and tilted upward to form the hanging portion, and the rear end of which is connected to the front end of the connecting bracket. The rear end of the connecting bracket is used to be fixedly connected to the main body of the lawn mower.

[0013] The beneficial effect of adopting the above further solution is that: the hanging portion that cooperates with the hanging portion is formed by the closed end of the U-shaped structure, so that the hanging effect can be guaranteed.

[0014] Furthermore, the rear end of the hanging bracket is fixedly connected to the front end of the connecting bracket.

[0015] The beneficial effect of adopting the above further solution is that the hanging bracket and the connecting bracket can be fixedly connected, and the structure is firm and has high strength.

[0016] Furthermore, two sleeves are fixedly provided on both sides of the front end of the connecting frame, and the two sleeves are respectively and adjustably sleeved on both sides of the rear end of the hanging frame.

[0017] Furthermore, threaded sections are respectively provided on both sides of the rear end of the hanger, and the threaded sections pass through the corresponding sleeves. Two adjusting bolts are threadedly connected to each threaded section, and the two adjusting bolts are respectively abutted against the front and rear ends of the corresponding sleeves.

[0018] The beneficial effect of adopting the above further scheme is that the hanging bracket and the connecting frame can be connected in an adjustable manner, so that after the mid-mounted lawn mower is hung, the total length of the hanging bracket and the connecting frame can be adjusted by rotating the adjusting bolt, thereby pulling the front part of the mid-mounted lawn mower up or down, making the front and rear heights of the lawn mower consistent, and making the grass cutting smoother.

[0019] Another technical solution of the utility model to solve the above technical problems is as follows: a tractor includes a tractor front bracket and a lawn mower body, and also includes the front end hanging structure of the tractor mid-mounted lawn mower, the hook assembly is fixedly connected to the tractor front bracket, and the hanging assembly is connected to the lawn mower body.

[0020] Furthermore, the tractor front bracket is provided with a plurality of mounting holes, and the hook assembly is fixedly connected to at least one of the mounting holes by means of bolts; the tractor also includes a torsion spring and a hanging shaft, the hanging shaft is fixedly connected to the lawn mower body, the hanging assembly is rotatably connected to the hanging shaft, the torsion spring is sleeved on the hanging shaft, and the two ends of the torsion spring are respectively in contact with the hanging assembly and the lawn mower body.

[0021] The beneficial effect of adopting the above further scheme is: a plurality of mounting holes at different positions are designed on the front bracket of the tractor, and the hook assembly selectively connects some mounting holes through bolts, so that the position of the hook assembly can be changed to adapt to different lawn mower models and different ground working environments. The hanging assembly can rotate around the hanging shaft, and the torsion spring applies an elastic force to the hanging assembly to make it rotate upward, and the hanging assembly tilts upward to facilitate hanging with the hook assembly. The hanging assembly is arranged to rotate, so that a certain error is allowed in the hanging process, especially when the ground is uneven, the hanging part of the hook assembly and the hanging part of the hanging assembly may not be exactly aligned. At this time, the hanging assembly can ensure smooth hanging by rotating within a certain range. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front-end mounting structure of the tractor mid-mounted mower of the utility model;

[0023] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0024] Figure 3 It is a three-dimensional diagram of the front end mounting structure of the mid-mounted lawn mower of the tractor according to the present invention.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Tractor front bracket; 2. Hook assembly; 3. Hanging bracket; 4. Adjusting bolt; 5. Connecting bracket; 6. Mower body;

[0027] 21. Fixed bracket; 22. Quickly detachable hook; 23. Quickly detachable shaft; 24. Latch; 25. Suspension shaft. DETAILED DESCRIPTION

[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0029] like Figure 1-Figure 3As shown, this embodiment provides a front-end hanging structure of a tractor-mounted lawn mower, including a hook assembly 2 and a hanging assembly, wherein the hook assembly 2 is used to be fixedly connected to the tractor front bracket 1, and the hanging assembly is used to be connected to the lawn mower body 6, and the hook assembly 2 has a hanging portion opening forward, and the front end of the hanging assembly is upwardly tilted to form a hanging portion that cooperates with the hanging portion.

[0030] The utility model designs a suitable structure for the tractor front bracket 1 and the lawn mower body 6, so that the lawn mower can be hung under the tractor and between the two wheels, realizing the mid-mounted lawn mower of the tractor, and also adopts the automatic hanging mode when the tractor is running, so the hanging is stable and reliable, and the hanging efficiency is high.

[0031] The specific hooking process is: when the mid-mounted lawn mower is hooked to the tractor, the lawn mower is placed flat on the ground, the front wheel of the tractor passes over the lawn mower housing, and continues to move forward for a distance. At this time, the hooking part of the hook assembly 2 fixed on the front bracket 1 of the tractor will automatically hook the hooking part of the hooking assembly, thereby realizing the automatic connection between the front end of the lawn mower and the tractor.

[0032] On the basis of the above technical solution, the hook assembly 2 includes a fixed hanger 21 and a quickly detachable hook 22, the upper end of the fixed hanger 21 is used to be fixedly connected to the tractor front bracket 1, the upper end of the quickly detachable hook 22 is detachably connected to the lower end of the fixed hanger 21, and the lower end of the quickly detachable hook 22 has a hooking portion that opens forward. The quickly detachable hook is detachable, and when the lawn mower is not needed, the quickly detachable hook can be removed to avoid affecting the height of the bottom surface of the tractor.

[0033] Specifically, the lower end of the fixed hanger 21 is detachably connected to a quickly detachable shaft 23 , and the upper end of the quickly detachable hook 22 is fixedly connected to the quickly detachable shaft 23 .

[0034] More specifically, the lower end of the fixed bracket 21 has a bayonet opening forward, the bayonet is located below the quick-detachable shaft 23, and a suspension shaft 25 is provided in the middle of the quick-detachable hook 22, and the suspension shaft 25 is inserted into the bayonet. The structural design of the suspension shaft 25 and the bayonet can accurately limit the rotation of the quick-detachable hook 22, thereby ensuring the stability of the overall structure of the mid-mounted mower during and after the hooking process.

[0035] The fixed hanger 21 and the quickly detachable hook 22 can be designed as a single-sided structure, or, as Figure 2As shown, the fixed hanger 21 and the quickly detachable hook 22 are designed as two respectively, which are arranged opposite to each other. The upper ends of the two fixed hangers 21 are fixedly connected to the tractor front bracket 1 respectively, and the quickly detachable shaft 23 passes through the lower ends of the two fixed hangers 21, and its two ends extend out of the two fixed hangers 21 and are respectively inserted into the latches 24, and the latches 24 can be selected as spring pins. The lower ends of the two fixed hangers 21 are first bent backwards and then bent forwards to form a U-shaped bayonet. The two quickly detachable hooks 22 are located between the two fixed hangers 21, and their upper ends are fixedly connected to the quickly detachable shaft 23. The suspension shaft 25 passes through the two quickly detachable hooks 22, and its two ends can be respectively inserted into the bayonet of the two fixed hangers 21, and the lower ends of the two quickly detachable hooks 22 are bent forward to form a V-shaped hanging portion.

[0036] On the basis of any of the above schemes, the hanging assembly includes a hanging frame 3 and a connecting frame 5, the hanging frame 3 is a U-shaped structure, the front end of which is closed and tilted upward to form the hanging portion, and the rear end of which is connected to the front end of the connecting frame 5, and the rear end of the connecting frame 5 is used to be fixedly connected to the lawn mower body 6. The hanging portion that cooperates with the hanging portion is formed by the closed end of the U-shaped structure, so that the hanging effect can be ensured.

[0037] One connection mode is that the rear end of the hanging frame 3 is fixedly connected to the front end of the connecting frame 5. The hanging frame and the connecting frame can be fixedly connected, and the structure is firm and has high strength.

[0038] Another connection method is that two sleeves are fixedly provided on both sides of the front end of the connecting frame 5 , and the two sleeves are respectively and adjustably sleeved on both sides of the rear end of the hanging frame 3 .

[0039] Specifically, the rear end of the bracket 3 is provided with threaded sections on both sides, the threaded sections pass through the corresponding sleeves, and two adjusting bolts 4 are threadedly connected to each of the threaded sections, and the two adjusting bolts 4 are respectively abutted against the front and rear ends of the corresponding sleeves. The bracket 3 and the connecting frame 5 can be connected in an adjustable manner, so that after the mid-mounted lawn mower is mounted, the total length of the bracket 3 and the connecting frame 5 can be adjusted by rotating and twisting the adjusting bolts 4, thereby pulling the front of the mid-mounted lawn mower up or down, so that the front and rear heights of the lawn mower are consistent, and the grass is cut more smoothly.

[0040] More specifically, the rear end of the connecting frame 5 is fixedly connected to the lawn mower body 6 by bolts, and the upper side of the rear end can be pressed on the lawn mower body 6. Two connecting rods extend from the front end of the connecting frame 5. The front ends of the two connecting rods are fixed by connecting sleeves, and two sleeves are fixedly connected on both sides of the connecting sleeve. The hanging frame 3 is bent into a U-shaped rod structure by a cylindrical rod. The inner diameter of the sleeve is larger than the diameter of the rear end rod of the hanging frame 3, that is, the rear end rod of the hanging frame 3 can slide in the corresponding sleeve, and then the rods on both sides of the rear end of the hanging frame 3 are respectively formed with threads. Each rod is first threadedly connected to an adjusting bolt 4, then passes through the sleeve, and then threadedly connected to an adjusting bolt 4. There are a total of four adjusting bolts 4 on the two rods, so as to achieve the total length adjustment of the hanging frame 3 and the connecting frame 5. At the beginning, each adjusting bolt 4 is first adjusted to the universal position. After the tractor is driven to achieve automatic connection, the horizontal state of the lawn mower is observed. If there is a deviation, the adjusting bolt 4 can be manually screwed to adjust the lawn mower to the front and rear level.

[0041] This embodiment also provides a tractor, including a tractor front bracket 1 and a lawn mower body 6, and also includes the front end hanging structure of the tractor mid-mounted lawn mower, the hook assembly 2 is fixedly or rotatably connected to the tractor front bracket 1, and the hanging assembly is fixedly connected to the lawn mower body 6.

[0042] Specifically, the tractor front bracket 1 is provided with a plurality of mounting holes, and the hook assembly 2 is fixedly connected to at least one of the mounting holes by bolts; it also includes a torsion spring 7 and a hanging shaft 8, the hanging shaft 8 is fixedly connected to the lawn mower body 6, the hanging assembly is rotatably connected to the hanging shaft 8, the torsion spring 7 is sleeved on the hanging shaft 8, and the two ends of the torsion spring 7 are respectively in contact with the hanging assembly and the lawn mower body 6. A plurality of mounting holes at different positions are designed on the tractor front bracket 1, and the hook assembly 2 selectively connects some of the mounting holes by bolts, so that the position of the hook assembly 2 can be changed to adapt to different lawn mower models and different ground working environments. The hanging assembly can rotate around the hanging shaft, and the torsion spring 7 applies an elastic force to the hanging assembly to make it rotate upward, and the hanging assembly tilts upward to facilitate hanging with the hook assembly. The rotation setting of the hanging component allows a certain error in the hanging process. Especially when the ground is uneven, the hanging part of the hook component and the hanging part of the hanging component may not be exactly aligned. At this time, the hanging component can ensure smooth hanging by rotating within a certain range.

[0043] A limit block is also fixed on the mower body 6 or the hanging shaft 8, and the limit block abuts against the upper side of the hanging assembly to limit the upper rotation position of the hanging assembly. Specifically, the connecting frame 5 of the hanging assembly is rotatably connected to the hanging shaft 8, and the limit block abuts against the upper side of the connecting frame 5.

[0044] The tractor front bracket 1 is a U-shaped sheet structure that opens backwards, and a plurality of mounting holes can be provided on both sides thereof, for example Figure 1 As shown, two vertical mounting holes form a group, and 7-8 groups are designed at intervals along the front-to-back direction. Four mounting holes are set at the upper end of the fixed bracket 21, and the fixed bracket 21 is fixedly connected to the tractor front bracket 1 by bolts. By selecting the mounting holes on the tractor front bracket 1, the connection position can be changed front and back, so that it can adapt to different lawn mower models and different ground working environments.

[0045] In the description of the present invention, it should be noted that the terms "front", "rear", "upper" and "lower" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0046] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A front-end mounting structure for a tractor-mounted lawn mower, characterized in that: The invention comprises a hook assembly (2) and a hanging assembly, wherein the hook assembly (2) is used for being fixedly connected to a tractor front bracket (1), and the hanging assembly is used for being connected to a lawn mower body (6). The hook assembly (2) has a hanging portion which is open forward, and the front end of the hanging assembly is tilted upward to form a hanging portion which is matched with the hanging portion for hanging.

2. The front end mounting structure of a tractor mid-mounted mower according to claim 1, characterized in that: The hook assembly (2) comprises a fixed hanger (21) and a quickly detachable hook (22), wherein the upper end of the fixed hanger (21) is used for fixed connection with the front bracket (1) of the tractor, the upper end of the quickly detachable hook (22) is detachably connected to the lower end of the fixed hanger (21), and the lower end of the quickly detachable hook (22) has the hanging portion which is open forward.

3. The front end mounting structure of a tractor mid-mounted lawn mower according to claim 2, characterized in that: The lower end of the fixed hanger (21) is detachably connected to a quickly detachable shaft (23), and the upper end of the quickly detachable hook (22) is fixedly connected to the quickly detachable shaft (23).

4. The front end mounting structure of a tractor mid-mounted mower according to claim 3, characterized in that: The lower end of the fixed hanger (21) has a bayonet opening forward, the bayonet is located below the quickly detachable shaft (23), and a hanging shaft (25) is arranged in the middle of the quickly detachable hook (22), the hanging shaft (25) is stuck in the bayonet.

5. A front-end mounting structure for a tractor mid-mounted mower according to any one of claims 1 to 4, characterized in that: The hanging assembly comprises a hanging frame (3) and a connecting frame (5); the hanging frame (3) is a U-shaped structure, the front end of which is closed and tilted upward to form the hanging portion, and the rear end of which is connected to the front end of the connecting frame (5); the rear end of the connecting frame (5) is used to be fixedly connected to the main body (6) of the lawn mower.

6. The front end mounting structure of a tractor mid-mounted mower according to claim 5, characterized in that: The rear end of the hanging frame (3) is fixedly connected to the front end of the connecting frame (5).

7. The front end mounting structure of a tractor mid-mounted mower according to claim 5, characterized in that: Two sleeves are fixedly provided on both sides of the front end of the connecting frame (5), and the two sleeves are respectively and adjustably sleeved on both sides of the rear end of the hanging frame (3).

8. The front end mounting structure of a tractor mid-mounted mower according to claim 7, characterized in that: Threaded sections are respectively arranged on both sides of the rear end of the hanger (3), and the threaded sections pass through the corresponding sleeves. Two adjusting bolts (4) are threadedly connected to each of the threaded sections, and the two adjusting bolts (4) are respectively abutted against the front and rear ends of the corresponding sleeves.

9. A tractor comprising a tractor front bracket (1) and a lawn mower body (6), characterized in that , further comprising a front-end mounting structure for a tractor-mounted lawn mower as described in any one of claims 1 to 8, wherein the hook assembly (2) is fixedly connected to the tractor front bracket (1), and the hanging assembly is connected to the lawn mower body (6).

10. A tractor according to claim 9, characterized in that: The tractor front bracket (1) is provided with a plurality of mounting holes, and the hook assembly (2) is fixedly connected to at least one of the mounting holes by means of bolts; the tractor front bracket also includes a torsion spring (7) and a hanging shaft (8), the hanging shaft (8) is fixedly connected to the lawn mower body (6), the hanging assembly is rotatably connected to the hanging shaft (8), the torsion spring (7) is sleeved on the hanging shaft (8), and the two ends of the torsion spring (7) are respectively in contact with the hanging assembly and the lawn mower body (6).

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