CN215530042U

CN215530042U - Floating type grass pressing device for mower

Info

Publication number: CN215530042U
Application number: CN202121592129.8U
Authority: CN
Inventors: 陈玉军; 周书良; 苏良剑
Original assignee: Weifang Hailin Machinery Co ltd
Current assignee: Weifang Hailin Machinery Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-01-18
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a floating grass pressing device for a mower, which comprises a grass cutting operation frame, wherein a fixed pressing roller is rotatably arranged on the grass cutting operation frame, a floating pressing roller is rotatably arranged on the upper side of the fixed pressing roller through an elastic floating device, the floating pressing roller can move up and down relative to the fixed pressing roller, and the floating pressing roller and the fixed pressing roller are respectively in transmission connection with a grass pressing transmission device. The utility model can avoid the blockage of the compression roller during extrusion, effectively protect the compression roller and ensure the mowing efficiency.

Description

Floating type grass pressing device for mower

Technical Field

The utility model relates to the technical field of agricultural implements, in particular to a floating grass pressing device for a mower.

Background

The existing grass is required to be tedded after being harvested, and then is bundled and stored, but the moisture content in stems of fresh grass is higher than the moisture content in leaves, so the drying speed of the stems of the grass is much slower than that of the leaves of the grass, and most of the existing grass mowers for harvesting the grass are provided with a pair of compression rollers at the rear side of a grass mowing mechanism, the harvested grass is extruded through the compression rollers, the stems of the grass are flattened and cracked, and the moisture evaporation speed in the stems is accelerated. But the mounted position of compression roller is mostly fixed on the present lawn mower, when reaping the thick and strong forage grass of stem stalk like this, not only causes two compression roller department extruded jam easily, easily causes the harm to the compression roller, leads to the deformation of two compression rollers or the wearing and tearing of roll surface, consequently for avoiding above-mentioned problem, only reduces the speed of mowing, and this has influenced mowing efficiency greatly.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the floating grass pressing device for the mower can avoid blockage during extrusion of the compression roller, effectively protect the compression roller and ensure the mowing efficiency.

In order to solve the technical problems, the technical scheme of the utility model is as follows: floating grass pressing device for lawn mower, including the operation frame of mowing, it installs the compression roller surely to rotate on the operation frame of mowing, the upside of deciding the compression roller rotates through elasticity floating installation and installs the compression roller that floats, the compression roller can be decided relatively the compression roller and reciprocate, it is connected with grass pressing transmission respectively to float compression roller and decide the compression roller.

As a preferred technical scheme, the surfaces of the floating compression roller and the fixed compression roller are respectively provided with a spiral groove, and the spiral grooves on the surfaces of the floating compression roller and the fixed compression roller are respectively arranged in bilateral symmetry.

According to the preferable technical scheme, the elastic floating device comprises swing grooves which are formed in the mowing operation frame and located at two ends of the floating press roller respectively, roller shafts are arranged at two ends of the floating press roller respectively, the outer ends of the two roller shafts extend out of the swing grooves respectively, swing arms are rotatably connected between the outer ends of the two roller shafts and the mowing operation frame respectively, the two swing arms are symmetrically arranged, and an elastic reset device is arranged between the two swing arms and the mowing operation frame.

As an optimized technical scheme, a limiting block is arranged at one end, far away from the floating compression roller, of the swing arm, a limiting seat is arranged on the mowing operation frame, and a limiting bolt corresponding to the limiting block is arranged on the limiting seat.

Preferably, the rotating speeds of the floating press roller and the fixed press roller are the same, and the rotating directions of the floating press roller and the fixed press roller are opposite.

Owing to adopted above-mentioned technical scheme's floating grass pressing device for lawn mower, including the operation frame of mowing, it installs the compression roller surely to rotate on the operation frame of mowing, the upside of compression roller surely rotates through elastic floating device and installs the compression roller that floats, the compression roller that floats can be relatively level the compression roller and reciprocate, it is connected with grass pressing transmission respectively to float compression roller and level the compression roller. The utility model adopts a mode that the floating compression roller and the fixed compression roller are matched to flatten the stems of the pasture, the floating compression roller can overcome the upward movement of the elastic floating device when the pasture is accumulated, the blockage of the pasture during extrusion is avoided, the compression roller can be effectively protected, and the pasture harvesting efficiency is improved.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of one side of the present invention;

FIG. 3 is a schematic view of the mounting structure of the other side of the present invention;

figure 4 is a schematic representation of the present invention in use.

In the figure: 1-a fixed compression roller; 2-floating press rolls; 3-spiral groove; 4-a swing groove; 5-a roll shaft; 6-a limiting block; 7-swing arm; 8-elastic reset device; 9-a grass pressing transmission device; 10-a limiting seat; 11-a limit bolt; 12-a mower chassis; 13-a support wheel; 14-a mowing mechanism; 15-a drivetrain; 16-mowing working frame.

Detailed Description

Exemplary embodiments according to the present invention are described in detail below with reference to the accompanying drawings. Here, it is to be noted that, in the drawings, the same reference numerals are given to the constituent elements having substantially the same structure and function, and redundant description about the substantially same constituent elements is omitted in order to make the description more concise.

As shown in fig. 1, the floating grass pressing device for the mower comprises a grass cutting operation frame 16 installed on a mower frame 12, a fixed pressing roller 1 is installed on the grass cutting operation frame 16 in a rotating mode, a floating pressing roller 2 is installed on the upper side of the fixed pressing roller 1 in a rotating mode through an elastic floating device, the floating pressing roller 2 can move up and down relative to the fixed pressing roller 1, the floating pressing roller 2 and the fixed pressing roller 1 are respectively connected with a grass pressing transmission device 9 in a transmission mode, and the rotating directions of the floating pressing roller 2 and the fixed pressing roller 1 are opposite. The grass pressing transmission device 9 is connected with a power system, the grass pressing transmission device 9 drives the floating compression roller 2 and the fixed compression roller 1 to rotate, the floating compression roller 2 can overcome the action of the elastic floating device to move upwards when grass is accumulated, and blockage caused by extrusion of the grass is avoided.

As shown in fig. 1, the surfaces of the floating compression roller 2 and the fixed compression roller 1 are respectively provided with a spiral groove 3, and the spiral grooves 3 on the surfaces of the floating compression roller 2 and the fixed compression roller 1 are respectively arranged in bilateral symmetry. Through helicla flute 3 revolve to the cooperation with the rotation direction of unsteady compression roller 2 and decide compression roller 1 like this, the forage grass can have certain concentration when throwing to the rear, helicla flute 3 has increased decide compression roller 1 and has floated compression roller 2 and knead dynamics and the dynamics of throwing to the extrusion of forage grass, the holding power to the forage grass between the compression roller 1 has been increased simultaneously and the compression roller 2 floats, the jam when the forage grass extrudees between the compression roller 1 of deciding and the compression roller 2 of floating has been avoided, can effectively protect and decide compression roller 1 and the compression roller 2 that floats, the forage grass reaps efficiency has been improved. The rotational speed of unsteady compression roller 2 and level compression roller 1 is the same, can make the cooperation of pressing to press to float 2 and level compression roller 1 on the spiral arch all the time, does benefit to the extrusion to the stem stalk, unsteady compression roller 2 and level compression roller 1 are the rubber roller, can adopt the outer rubber materials of making of roll body, and inside is the structure of metal roll body.

As shown in fig. 2 and 3, the elastic floating device includes swing grooves 4 respectively formed in the mowing operation frame 16 and located at two ends of the floating pressing roller 2, roller shafts 5 are respectively formed in two ends of the floating pressing roller 2, outer ends of the two roller shafts 5 respectively extend out of the swing grooves 4, swing arms 7 are respectively rotatably connected between outer ends of the two roller shafts 5 and the mowing operation frame 16, the two swing arms 7 are symmetrically arranged, and an elastic reset device 8 is arranged between the two swing arms 7 and the mowing operation frame 16. The arrangement of the swing groove 4 is convenient for the installation and the movement of the roll shafts 5 at the two ends of the floating press roll 2; elasticity resetting means 8 can adopt spring or pneumatic spring etc, effect through elasticity resetting means 8 and swing arm 7, the compression roller 2 that floats tightly is on the surface of level pressure roller 1, when reaping the extrusion of the thick and strong forage grass of stem stalk like this, if the forage grass volume is too big, the relative level pressure roller 1 that the elasticity resetting means 8 passes through the power of swing arm 7 application will be overcome to the compression roller 2 that floats and upwards moves, let the forage grass of overstock pass through, avoid blockking up, reduce the wearing and tearing of the harm deformation and roll surface to the compression roller 2 that floats and level pressure roller 1. The elastic floating device may be configured such that compression springs are provided between the mowing work frame 16 and the roller shafts 5 at both ends of the floating press roller 2. The both ends of deciding compression roller 1 also are provided with roller 5 respectively, and wherein float compression roller 2 and decide compression roller 1 and lie in the roller 5 transmission connection respectively with one side grass pressing transmission device 9, grass pressing transmission device 9 can adopt synchronous belt drive system, also can adopt gear drive system, guarantee to float compression roller 2 and decide the same-speed rotation of compression roller 1. The swing arm 7 is provided with a limiting block 6 at one end far away from the floating compression roller 2, the mowing operation frame 16 is provided with a limiting seat 10, and the limiting seat 10 is provided with a limiting bolt 11 corresponding to the limiting block 6. The relative position between the floating press roll 2 and the fixed press roll 1 can be maintained by adjusting the limit bolt 11.

As shown in figure 4, when in use, the mower frame 12 is connected with a traction machine and is supported and moved by a supporting wheel 13, the mowing operation frame 16 is arranged on the mower frame 12, the power of the mowing mechanism 14, the fixed pressing roller 1 and the floating pressing roller 2 can be transmitted by a power transmission system 15 by adopting the power output by the traction machine, the mowing mechanism 14 is arranged on the mowing operation frame 16, the fixed pressing roller 1 and the floating pressing roller 2 are arranged at the rear side of the mowing mechanism 14, a shield is arranged at the upper sides of the mowing mechanism 14, the fixed pressing roller 1 and the floating pressing roller 2, the grass pressing transmission device 9 receives the power transmitted by the power transmission system 15 to drive the fixed pressing roller 1 and the floating pressing roller 2 to rotate, and the grass harvested by the mowing mechanism 14 is flattened and cracked between the rotating fixed pressing roller 1 and the floating pressing roller 2 and is thrown and aired.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims

1. Grass mower is with floating grass device of pressing, including the operation frame of mowing, its characterized in that: the grass mowing operation frame is rotatably provided with a fixed compression roller, the upper side of the fixed compression roller is rotatably provided with a floating compression roller through an elastic floating device, the floating compression roller can move up and down relative to the fixed compression roller, and the floating compression roller and the fixed compression roller are respectively connected with a grass pressing transmission device in a transmission manner.

2. A floating type grass pressing device for a mower as claimed in claim 1, wherein: the surface of the floating compression roller and the surface of the fixed compression roller are respectively provided with a spiral groove, and the spiral grooves on the surface of the floating compression roller and the surface of the fixed compression roller are respectively arranged in bilateral symmetry.

3. A floating type grass pressing device for a mower as claimed in claim 1, wherein: the elastic floating device comprises swing grooves which are formed in the mowing operation frame and located at two ends of the floating compression roller respectively, roller shafts are arranged at two ends of the floating compression roller respectively, the outer ends of the two roller shafts extend out of the swing grooves respectively, swing arms are rotatably connected between the outer ends of the two roller shafts and the mowing operation frame respectively, the two swing arms are symmetrically arranged, and an elastic reset device is arranged between the two swing arms and the mowing operation frame.

4. A floating type grass pressing device for a mower as claimed in claim 3, wherein: the swing arm is provided with a limiting block at one end far away from the floating compression roller, the mowing operation frame is provided with a limiting seat, and the limiting seat is provided with a limiting bolt corresponding to the limiting block.

5. A floating grass pressing device for a grass cutter as claimed in any one of claims 1 to 4, characterized in that: the rotating speeds of the floating pressing roller and the fixed pressing roller are the same, and the rotating directions of the floating pressing roller and the fixed pressing roller are opposite.