CN209787870U - Terrain adaptation device of side weeding dish - Google Patents

Abstract

The utility model discloses a terrain adaptation device of a side weeding disc, which comprises a fixed frame, a pin shaft, a pressure spring, a second tension spring, a first tension spring, a rotating frame and a connecting square tube, connect the arm-tie, the link, weeding dish mount pad and restriction bolt group, the mount is installed on the lawn mower host computer, the mount, round pin axle and swivel mount constitute the vice one of gyration, the inside of mount is provided with the extension spring that cooperatees and be connected with the swivel mount, the side of connecting pipe, parallel four-bar linkage is constituteed to link and connection arm-tie, the one end that the mount was kept away from to the swivel mount is provided with the link, be provided with extension spring two between one side of connecting pipe and the upper end of mount, be provided with the pressure spring on the adjusting link, the vice two of gyration is constituteed to link and weeding dish mount pad, rotation axis and weeding dish mount pad swing joint, weeding dish mount pad is through restriction bolt group and injeci. Has the advantages that: the position and the angle of the weeding disc change along with the fluctuation of the ground, thereby achieving good weeding effect.

Description

Terrain adaptation device of side weeding dish

Technical Field

The utility model relates to a weeder technical field particularly, relates to a topography adaptation device of side weeding dish.

Background

At present, mowers applied to orchards are increasingly popular, and the high-efficiency operation speed of the mowers greatly saves labor cost. However, in the orchard, weeds at the roots of fruit trees cannot be conveniently removed by using a common mower due to the influence of the branches of the fruit trees. For this reason, a side weeding disk is additionally installed on the side of the ordinary mower to cope with this situation.

Because of many-sided reasons, the ground condition near the fruit tree root is complicated, and simple side weeding dish is difficult normally to work or weeding effect is unsatisfactory under the circumstances of ground unevenness, consequently needs the topography adaptation device of a side weeding dish to let the weeding dish also can normally work under the ground condition of unevenness.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a topography adaptation device of side weeding dish to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a terrain adaptation device of a side weeding disc comprises a fixing frame, a pin shaft, a pressure spring, a second tension spring, a first tension spring, a rotating frame, a square connecting pipe, a first connecting pull plate, a connecting frame, a weeding disc mounting seat and a limiting bolt set, wherein the fixing frame is arranged on a mower main frame, the fixing frame, the pin shaft and the rotating frame form a first rotation pair, the rotating frame is arranged at one end in a groove of the fixing frame, the rotating frame is matched and connected with the fixing frame through the pin shaft, the first tension spring matched and connected with the rotating frame is arranged in the fixing frame, the rotating frame, the square connecting pipe, the connecting frame and the connecting pull plate form a parallel four-bar mechanism, the connecting frame is arranged at one end of the rotating frame, which is far away from the fixing frame, the square connecting pipe is connected with the connecting pull plate, and, connect the arm-tie to be located the upper end of connecting square pipe, one side of connecting square pipe with be provided with between the upper end of mount with the swivel mount matched with extension spring two, the upper end middle part of connecting square pipe be provided with the swivel mount with connect arm-tie complex adjusting pull rod, be provided with the pressure spring on the adjusting pull rod, the link with the vice two of gyration are constituteed to weeding dish mount pad, the panel center of link is fixed with the axis of rotation, the axis of rotation with weeding dish mount pad swing joint, the weeding dish mount pad passes through restriction bolt group and limited weeding dish fixed connection.

Furthermore, the fixing frame is provided with a plurality of connecting holes connected with the main body of the mower.

Furthermore, one end of the first tension spring, which is far away from the rotating frame, is connected with the fixed frame through a fixing bolt.

furthermore, the upper end of the fixing frame is provided with a fixing ring connected with the tension spring.

Furthermore, the connecting square pipe is connected with the adjusting pull rod at the upper end through a connecting piece.

Compared with the prior art, the utility model discloses following beneficial effect has: the whole side weeding device is arranged on the main machine of the mower through the fixing frame; the fixed frame, the pin shaft and the rotating frame form a first rotary pair 12, the initial position of the rotary pair is limited by a main tension spring and an auxiliary tension spring, and power is provided for the return position of the rotary pair; the rotating frame, the connecting square tube, the connecting frame and the connecting pull plate form a parallel four-bar mechanism, the initial position of the parallel four-bar mechanism is limited by the adjusting pull rod and a pressure spring arranged on the adjusting pull rod, and the pressure of the weeding disk on the ground is increased; the panel center of link is fixed with the axis of rotation, can constitute the vice two 14 of gyration after connecting with the weeding dish mount pad, fixes and inject the rotation angle of weeding dish by restriction bolt group, and then when side weeding dish during operation, ground is hugged closely to the safety cover of weeding dish bottom, can apply the counter force of all directions to weeding dish when ground undulation changes. The first revolute pair 12 can enable the weeding disc to swing left and right around the pin shaft after overcoming the resistance of the spring, the parallel four-bar mechanism can enable the weeding disc to move up and down, and the second revolute pair 14 can enable the weeding disc to turn over a rotating shaft by a certain angle. Therefore, the position and the angle of the weeding disc can be changed along with the fluctuation of the ground, and a good weeding effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a terrain adapting device of a side weeding disk according to an embodiment of the invention;

Fig. 2 is a schematic structural view of a parallel four-bar linkage of a terrain adaptation device of a side weeding disk according to an embodiment of the invention.

Reference numerals:

1. A fixed mount; 2. a pin shaft; 3. a pressure spring; 4. a tension spring II; 5. a first tension spring; 6. a rotating frame; 7. connecting the square tubes; 8. connecting a pulling plate; 9. a connecting frame; 10. a weeding disk mounting seat; 11. a set of limit bolts; 12. a first rotary pair; 13. a parallel four-bar linkage; 14. and a second rotary pair.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, a terrain adaptation device for a side weeding disk according to an embodiment of the present invention includes a fixing frame 1, a pin shaft 2, a pressure spring 3, a tension spring two 4, a tension spring one 5, a rotating frame 6, a square connecting pipe 7, a connecting pull plate 8, a connecting frame 9, a weeding disk mounting seat 10 and a limiting bolt set 11, wherein the fixing frame 1 is mounted on a main frame of a lawn mower, the fixing frame 1, the pin shaft 2 and the rotating frame 6 form a first turning pair 12, the rotating frame 6 is disposed at one end of the fixing frame 1 in a groove, the rotating frame 6 is connected with the fixing frame 1 through the pin shaft 2, the tension spring one 5 connected with the rotating frame 6 is disposed inside the fixing frame 1, the rotating frame 6, the square connecting pipe 7, the connecting frame 9 and the connecting pull plate 8 form a parallel four-bar linkage 13, the end of the rotating frame 6 far away from the fixed frame 1 is provided with the connecting frame 9, the connecting square tube 7 is connected with the connecting pulling plate 8 between the connecting frame 9 and the rotating frame 6, moreover, the connecting pulling plate 8 is positioned at the upper end of the connecting square tube 7, the tension spring II 4 matched with the rotating frame 6 is arranged between one side of the connecting square tube 7 and the upper end of the fixed frame 1, the middle part of the upper end of the connecting square tube 7 is provided with an adjusting pull rod matched with the rotating frame 6 and the connecting pull plate 8, the adjusting pull rod is provided with a pressure spring 3, the connecting frame 9 and the weeding disc mounting seat 10 form a second rotary pair 14, a rotary shaft is fixed at the center of a panel of the connecting frame 9 and is movably connected with the weeding disc mounting seat 10, the weeding disk mounting seat 10 is fixedly connected with the limited weeding disk through the limit bolt group 11.

through the scheme of the utility model, the whole side weeding device is arranged on the main machine of the mower through the fixing frame 1; the fixed frame 1, the pin shaft 2 and the rotating frame 6 form a first rotary pair 12, the initial position of the rotary pair is limited by a main tension spring 5 and an auxiliary tension spring 4, and power is provided for the return position of the rotary pair; the rotating frame 6, the connecting square tube 7, the connecting frame 9 and the connecting pull plate 8 form a parallel four-bar mechanism, the initial position of the parallel four-bar mechanism is limited by the adjusting pull rod and the pressure spring 3 arranged on the adjusting pull rod, and the pressure of the weeding disc on the ground is increased; the panel center of link 9 is fixed with the axis of rotation, can constitute two 14 of revolute pair after connecting with weeding dish mount pad 10, fixes and injects the flip angle of weeding dish by restriction bolt group 11, and then when side weeding dish during operation, the safety cover of weeding dish bottom hugs closely ground, can exert the counter force of all directions to weeding dish when the ground undulates and changes. The first revolute pair 12 can enable the weeding disk to swing left and right around the pin shaft 2 after overcoming the resistance of the spring, the parallel four-bar mechanism can enable the weeding disk to move up and down, and the second revolute pair 14 can enable the weeding disk to turn over a certain angle around the rotating shaft. Therefore, the position and the angle of the weeding disc can be changed along with the fluctuation of the ground, and a good weeding effect is achieved.

When the lawn mower is applied specifically, a plurality of connecting holes connected with the main body of the lawn mower are formed in the fixing frame 1. One end, far away from the rotating frame 6, of the tension spring I5 is connected with the fixed frame 1 through a fixed bolt. And the upper end of the fixing frame is provided with a fixing ring connected with the second tension spring 4. The connecting square pipe 7 is connected with the adjusting pull rod at the upper end through a connecting piece.

In summary, with the above technical solution of the present invention, the whole side weeding device is installed on the main machine of the mower through the fixing frame 1; the fixed frame 1, the pin shaft 2 and the rotating frame 6 form a first rotary pair 12, the initial position of the rotary pair is limited by a main tension spring 5 and an auxiliary tension spring 4, and power is provided for the return position of the rotary pair; the rotating frame 6, the connecting square tube 7, the connecting frame 9 and the connecting pull plate 8 form a parallel four-bar mechanism, the initial position of the parallel four-bar mechanism is limited by the adjusting pull rod and the pressure spring 3 arranged on the adjusting pull rod, and the pressure of the weeding disc on the ground is increased; the panel center of link 9 is fixed with the axis of rotation, can constitute two 14 of revolute pair after connecting with weeding dish mount pad 10, fixes and injects the flip angle of weeding dish by restriction bolt group 11, and then when side weeding dish during operation, the safety cover of weeding dish bottom hugs closely ground, can exert the counter force of all directions to weeding dish when the ground undulates and changes. The first revolute pair 12 can enable the weeding disk to swing left and right around the pin shaft 2 after overcoming the resistance of the spring, the parallel four-bar mechanism 13 can enable the weeding disk to move up and down, and the second revolute pair 14 can enable the weeding disk to turn over a rotating shaft by a certain angle. Therefore, the position and the angle of the weeding disc can be changed along with the fluctuation of the ground, and a good weeding effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a topography adaptation device of side weeding dish, its characterized in that, includes mount (1), round pin axle (2), pressure spring (3), extension spring two (4), extension spring (5), swivel mount (6), connecting square pipe (7), connection arm-tie (8), link (9), weeding dish mount pad (10) and restriction bolt group (11), mount (1) is installed on the lawn mower host computer, mount (1) round pin axle (2) with the vice (12) of gyration is constituteed in swivel mount (6), one end in mount (1) recess is provided with swivel mount (6), swivel mount (6) pass through round pin axle (2) with mount (1) cooperate and connect, the inside of mount (1) be provided with swivel mount (6) cooperate and connect extension spring (5), swivel mount (6) have, The connecting square pipe (7), the connecting frame (9) and the connecting pull plate (8) form a parallel four-bar mechanism (13), one end of the rotating frame (6) far away from the fixed frame (1) is provided with the connecting frame (9), the connecting square pipe (7) and the connecting pull plate (8) are connected between the connecting frame (9) and the rotating frame (6), in addition, the connecting pull plate (8) is positioned at the upper end of the connecting square pipe (7), a tension spring II (4) matched with the rotating frame (6) is arranged between one side of the connecting square pipe (7) and the upper end of the fixed frame (1), an adjusting pull rod matched with the rotating frame (6) and the connecting pull plate (8) is arranged in the middle of the upper end of the connecting square pipe (7), a compression spring (3) is arranged on the adjusting pull rod, a rotary pair II (14) is formed by the connecting frame (9) and the weeding disc mounting seat (10), the panel center of link (9) is fixed with the rotation axis, the rotation axis with weeding dish mount pad (10) swing joint, weeding dish mount pad (10) pass through restriction bolt group (11) and limited weeding dish fixed connection.

2. A terrain-adapting device for a side-edge weeding disc according to claim 1, wherein the fixing frame (1) is provided with a plurality of attachment holes for attachment to the main body of the mower.

3. A terrain adaptation device for a side weeding disc according to claim 1, wherein the end of the first tension spring (5) remote from the rotating frame (6) is connected with the fixed frame (1) through a fixed bolt.

4. A terrain-adaptive arrangement for a side-edge weeding disc according to claim 1, wherein the upper end of the fixing frame is provided with a fixing ring connected with the second tension spring (4).

5. A terrain-adapting device for a side-edge weeding disc according to claim 1, wherein the connecting square tube (7) is connected with the upper end of the adjusting pull rod through a connecting piece.