CN201015290Y

CN201015290Y - Novel mower

Info

Publication number: CN201015290Y
Application number: CNU2007200066907U
Authority: CN
Inventors: 陈金山
Original assignee: FUJIAN JINJIANG CITY SANLI ENGINE Co Ltd
Current assignee: FUJIAN JINJIANG CITY SANLI ENGINE Co Ltd
Priority date: 2007-03-27
Filing date: 2007-03-27
Publication date: 2008-02-06
Anticipated expiration: 2017-03-27
Also published as: WO2008116422A1

Abstract

The utility model relates to a quick cropper which can bring convenience to the changing of the knife. The utility model comprises a knife base, a knife tray, a knife, a knife pressing board and a knife tray pin with the number corresponding with the knife; the utility model is provided with a plurality of symmetrical openings and distortion holes; the knife tray blocks the knife tightening in the smaller part of the outer side of the distortion hole to prevent the breaking off of the knife under the centrifugal force in the gross cutting process; when the cropper does not work, the through holes in the two ends of the knife pressing board are arranged on the knife tray pin to prevent the breaking off of the knife caused by the moving of the knife tray pin in the distortion hole; when the knife needs to be exchanged, customer only needs to separate the knife pressing board from the knife tray pin, and the knife can be exchanged when the knife tray pin separates from the larger position of the hole diameter in the distortion hole.

Description

A kind of novel mower

Technical field

The utility model relates to a kind of novel mower.

Background technology

Its part of mowing of known rotary cutter type mower generally comprises cutterhead, blade, tool rest, connecting bolt, clamp nut composition, wherein cutterhead is fixedly arranged on the tool rest below, blade is located on the cutterhead, by connecting bolt and clamp nut locking, the output that tool rest connects engine is used to drive blade execution mowing action between blade and the cutterhead.Must use plate to twist instrument nut screwing clamping or unclamp like this when changing blade, tool-changing speed is slow, influences mowing efficient.

Summary of the invention

The purpose of this utility model provides the novel easily and efficiently mower of a kind of tool changing.

The technical solution of the utility model is such: a kind of novel mower, comprise tool rest, cutterhead, blade, the cutterhead pin of blade pressuring plate and corresponding knife number, cutterhead is provided with at least one pair of opening that is symmetrical distribution, described blade pressuring plate mid portion passes described opening and is positioned at the cutterhead below, the two ends of blade pressuring plate are positioned at the cutterhead top, one fixture is blade pressuring plate, cutterhead is anchored on the tool rest below, described cutterhead is provided with the distortion hole of corresponding described opening logarithm, each is out of shape the hole and lays respectively on the cutterhead extend radially line at each opening place, and aperture, described distortion hole progressively reduces along the direction that cutter radius increases, described blade is provided with fixing hole, described each cutterhead pin be provided with the diameter of axle respectively with the suitable insert groove of fixing hole and with the distortion hole near the aperture suitable cutterhead groove of the cutterhead outside along the place, the two ends of described blade pressuring plate offer through hole, and an end of described each cutterhead pin passes the blade fixing hole successively, cutterhead distortion hole, through hole and nationality are arranged on the distortion hole by the cutterhead groove blade are fixedly arranged on the cutterhead below.

Above-mentioned novel mower, the distortion hole on the described cutterhead has four.

Above-mentioned novel mower, described fixture is a bolt.

The beneficial effects of the utility model are by the distortion hole is set on cutterhead, utilize the centrifugal action of blade in rotary course, make cutterhead groove on the cutterhead pin in the mowing process, tightly be arranged in the little circular arc portion in the outside, distortion hole and prevent that blade from coming off, through hole by the blade pressuring plate two ends prevents that mower from getting loose at the non-operating state blade simultaneously, uses the faster convenience of mower tool changing of this kind structure.

Description of drawings

Fig. 1 is the embodiment upward view;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the cutterhead vertical view of embodiment;

Fig. 4 is the B-B cutaway view of Fig. 3;

Fig. 5 is the blade pressuring plate vertical view of embodiment;

Fig. 6 is the C-C cutaway view of Fig. 5;

Fig. 7 is the cutterhead pin front view of embodiment;

Embodiment

Below in conjunction with accompanying drawing the utility model is elaborated.

Referring to figs. 1 to Fig. 7, embodiment discloses a kind of novel rotary cutter type mower, and it comprises tool rest 1, cutterhead 2, four blades 3, two blade pressuring plates 4, four cutterhead pins 5, set bolt 6, engine output shaft 7, key 8.Wherein, tool rest 1 is fixedly arranged on engine output shaft 7 lower ends by key 8.Described cutterhead 2 is a disc-shaped structure, its side is arranged with eight arc reinforcements 21, cutterhead 2 its horizontal center lines on definition Fig. 3 are X-axis, its vertical center line is a Y-axis, described eight arc reinforcements 21 lay respectively on the center line of X-axis and Y-axis angle, positive and negative semiaxis in X-axis and Y-axis is arranged with square aperture 22 and distortion hole 23 respectively, the distance at described each square aperture 22 and cutterhead 2 centers is less than the distance of distortion hole 23 with cutterhead 2 centers, described distortion hole 23 is by orthodrome, little circular arc and two line segments that connect little circular arc and orthodrome are formed, described line segment is that tangent line is connected with roundlet arc connected mode, and described little circular arc is positioned at the edge, the outside of cutterhead 2 with respect to orthodrome.Described blade pressuring plate 4 is a strip structure, the two ends of blade pressuring plate 4 are provided with through hole 41, described cutterhead pin 5 similar multidiameter shafts, it is by comprising integrally formed pressure cap 51, insert groove 52, cutterhead groove 53, end axle 54 4 parts from bottom to top, wherein, the diameter of pressure cap 51 parts is greater than the diameter of axle of insert groove 52, and the diameter of axle of cutterhead groove 53 is suitable with distortion hole 23 little arc diameters, and the diameter of axle of end axle 54 and through hole 41 diameters of blade pressuring plate 4 are suitable.When installing, cutterhead 2 is located at tool rest 1 below, one end of two blade pressuring plates 4 passes one of them opening on X-axis and the Y-axis respectively from cutterhead 2 tops, pass the upper surface that turns back to cutterhead 2 from another opening of correspondence respectively then, set bolt 6 passes the below that two blade pressuring plates 4 and cutterhead 2 are anchored on cutterhead 2 tool rest 1 successively.The end axle 54 of described cutterhead pin 5 passes fixing hole 31 on the blade 3, the distortion hole 23 orthodromes part on the cutterhead 2, the through hole on the blade pressuring plate 4 successively, and nationality is arranged in the distortion hole 23 of cutterhead 2 by cutterhead groove 53 little circular arc portion is anchored on cutterhead 2 belows to blade 3.The rotary cutter type mower of this kind structure is in operation, the centrifugal force that blade 3 produces in rotary course guarantees that cutterhead groove 53 tightly is arranged in little circular arc portion, when needs are changed blade 3, make through hole 41 break away from end spools 54 as long as the two ends of blade pressuring plate 4 are moved up, thereby can move down the orthodrome place that cutterhead pin 5 promotes to make cutterhead groove 53 be positioned at distortion hole 23 to the center of cutterhead 2 and finally break away from cutterhead 2, promptly take off blade 3 this moment from insert groove 52, change blade new or that ground, can mow again after installing blade 3 by aforementioned opposite order, whole exchanging knives process does not need extra instrument, and is very simple and convenient.

Claims

1. novel mower, comprise tool rest, cutterhead, blade, it is characterized in that: the cutterhead pin that also comprises blade pressuring plate and corresponding knife number, cutterhead is provided with at least one pair of opening that is symmetrical distribution, described blade pressuring plate mid portion passes described opening and is positioned at the cutterhead below, the two ends of blade pressuring plate are positioned at the cutterhead top, one fixture is blade pressuring plate, cutterhead is anchored on the tool rest below, described cutterhead is provided with the distortion hole of corresponding described opening logarithm, each is out of shape the hole and lays respectively on the cutterhead extend radially line at each opening place, and aperture, described distortion hole progressively reduces along the direction that cutter radius increases, described blade is provided with fixing hole, described each cutterhead pin be provided with the diameter of axle respectively with the suitable insert groove of fixing hole and with the distortion hole near the aperture suitable cutterhead groove of the cutterhead outside along the place, the two ends of described blade pressuring plate offer through hole, and an end of described each cutterhead pin passes the blade fixing hole successively, cutterhead distortion hole, through hole and nationality are arranged on the distortion hole by the cutterhead groove blade are fixedly arranged on the cutterhead below.

2. novel mower according to claim 1 is characterized in that: the distortion hole on the described cutterhead has four.

3. novel mower according to claim 1 and 2 is characterized in that: described fixture is a bolt.