CN201036259Y

CN201036259Y - Trencher

Info

Publication number: CN201036259Y
Application number: CNU2007201408899U
Authority: CN
Inventors: 顾军
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-27
Filing date: 2007-03-27
Publication date: 2008-03-19
Anticipated expiration: 2017-03-27

Abstract

The utility model discloses a ditching machine designed to solve the problems that the prior ditching machines have bad balance property and weak effect in ejecting soil. The ditching machine comprises a lateral arm. A cutter disc is fixed on the lateral arm and provided with a side cutting holder for installing a colter base and a side cutter, wherein, the lateral arm is a U shape, and the cutter disc is installed in the U-shaped lateral arm. The tips of both the colter and the side cutter stretch out of the open end of the U-shaped lateral arm. By installing the cutter disc in the U-shaped lateral arm, both sides of the cutter disc are provided with counterweights so as to improve the balance property of the ditching machine. For the tips of both the colter and the side cutter stretch out of the open end of the U-shaped lateral arm, the utility model assures that when the cutter disc rotates, the colter rotates at the front of the lateral arm in order to eject the soil. The ditching machine disclosed in the utility model is mainly used in ditching work of agricultural production, in particular ditching channels for fields in large area to store water.

Description

Ditching machine

Technical field

The utility model relates to a kind of ditching machine of engine control operation.

Background technology

The mechanization of agricultural has realized replacing manpower and animal power with machine power and electric power, replaces people's hand tools with work mechanism.Since the seventies, agricultural is applied technology such as automatic control, electronic computer, system engineering, remote sensing gradually, realizes part producing operation and management automation, has obtained raising operation quality, efficient and effect such as safe, laborsaving.Agricultural automation mainly comprises the automatic control and the Optimal Management in processes such as ploughing and weeding, cultivation, harvesting, transportation, irrigation and drainage, crop management, livestock rearing and greenhouse.Ploughing and weeding is the first step of agricultural production, generally all uses animal power to come farming in the past, along with progressively applying of agricultural mechanization and automation, the automated machine that a lot of farming are used occurred, and ditching machine is exactly wherein a kind of.

In existing ditching machine, generally all only connect cutterhead and engine with a side arm, this side arm is provided with transmission mechanism, as gear, belt pulley etc., engine successively drives the rotation of cutterhead by belt transmission and gear drive, can connect by power transmission shaft between its middle belt pulley and the gear, this structure causes the cutterhead left and right sides can not balance, topples over easily; And this side arm reaches the front end of cutterhead, and the earth that can cause colter to dish out when trench digging is blocked the earth of can not dishing out well by side arm.

Also there is big problem in the employed tool rest of existing ditching machine, in the patent No. be: disclosed fixing the blade with the tool rest structure as shown in Figure 1 in 200420003137.4 the Chinese patent, tool rest is bolted on the cutterhead by one, and by the another one bolt tool rest, colter and cutterhead is fixed together.The shortcoming that this tool rest exists is: because one of them bolt 1 need all be fixed together tool rest, colter and cutterhead, fixing meeting is tighter, and when needs were changed colter, this bolt made the user change the colter inconvenience with regard to bad dismounting; And this tool rest can only be installed special-shaped colter owing to fix by two bolts (1 and 2).

Ditching machine is ploughed soil except needs with colter, also need to install the cliff cutter, the sidewall that is used for leaving ditch is cut out the shape of rule, the tool rest that present fixedly cliff cutter is used as shown in Figure 2, have on this tool rest two pairs of fixedly perforation of using of cliff cutter (wherein a pair of be numbered 3 and another to being numbered 4), every pair of perforation is used for fixing a cliff cutter, so just two cliff cuttves can be fixed on the tool rest, and lay respectively at the both sides of cutterhead.The following shortcoming that this tool rest exists:

1, two cliff cuttves need be the intervening portion installation, will take bigger space like this;

2, the cliff cutter distance of stretching out to the cutterhead both sides can't be adjusted, and makes the ditching machine of this cliff cutter tool rest can only leave a kind of ditch of width.

The utility model content

The purpose of this utility model is to provide a kind of ditching machine, makes the cutter-head of machine for making furrows both sides balance preferably and the earth of dishing out smoothly.

For achieving the above object, the utility model adopts following technical scheme: this ditching machine comprises side arm, is fixed with a cutterhead on this side arm, and this cutterhead is provided with colter seat that colter is installed and the cliff tool rest that the cliff cutter is installed; Described side arm is " U " font, and cutterhead is installed in " U " type side arm, and colter tip and cliff point of a knife end reach beyond the openend of " U " type side arm.

Used " U " type side arm by the described ditching machine of technique scheme, just side arm is all arranged in the both sides of cutterhead, for existing ditching machine, the utility model ditching machine is because both sides all are provided with side arm, counterweight that can balance cutterhead both sides, thereby guaranteed that ditching machine has better balance performance, made this ditching machine be not easy to topple over.And because colter is most advanced and sophisticated and cliff point of a knife end reaches beyond the openend of " U " type side arm, make side arm can not block the earth that ditching machine is dished out, make that throwing soil is more smooth.

Description of drawings

Fig. 1 is the structure chart of existing colter seat;

Fig. 2 is the structure chart of existing cliff tool rest;

Fig. 3 is the utility model ditching machine front view;

Fig. 4 is the end view of the utility model ditching machine;

Fig. 5 is the front view of the colter seat of the utility model ditching machine;

Fig. 6 is that the A-A of Fig. 5 is to cutaway view;

Fig. 7 is the vertical view of the cliff tool rest of the utility model ditching machine;

Fig. 8 is the upward view of the cliff tool rest of the utility model ditching machine;

Fig. 9 is that the B-B of Fig. 8 is to cutaway view.

Embodiment

The utility model ditching machine all is provided with side arm by the both sides at cutterhead and comes balance cutterhead both sides counterweight, guarantees the balance of ditching machine, makes that ditching machine is not easy to topple over.Below in conjunction with accompanying drawing the utility model ditching machine is described in detail.

Fig. 3 is the front view of the utility model ditching machine, Fig. 4 is the end view of the utility model ditching machine, this ditching machine comprises side arm 14, these side arm 14 middle parts are fixed with a cutterhead 15, this cutterhead 15 is provided with colter seat 16 and cliff tool rest 17, and on colter seat 16, be provided with colter 18, on cliff tool rest 17, be provided with cliff cutter 19.In order to improve the balance of ditching machine, described side arm is " U " font, and cutterhead 15 is installed in " U " type side arm, makes cutterhead 15 both sides that counterweight has all been arranged like this, balance the weight of cutterhead 15 both sides, thereby improved the balance of ditching machine.For the earth that the colter 18 that guarantees ditching machine and cliff cutter 19 are dug out can successfully be dished out, the openend 20 that is somebody's turn to do " U " type side arm 14 is positioned in the annulus that colter is most advanced and sophisticated and cliff point of a knife end constitutes, when cutterhead 15 rotations, colter tip and cliff point of a knife end are in the front end rotation of ditching machine " U " type side arm 14, thereby realize the action of ditching, such side arm 14 just can not block the earth that colter is most advanced and sophisticated and cliff point of a knife end is dished out, and has improved operating efficiency.

In order to make this ditching machine can use common colter, the utility model ditching machine has adopted special colter seat, Fig. 5 is the front view of the colter seat of the utility model ditching machine, Fig. 6 is that the A-A of Fig. 5 is to cutaway view, as can be seen from Figure, the colter seat of the utility model ditching machine is provided with at end face 5 the tool arm trepanning 6 that colter is used is installed, be provided with positioning rib 7 in the side of this colter seat, this side is divided into weld part 12 and installation portion 13, this positioning rib mainly is the size that is used for limiting weld part 12, thereby limit this colter seat and be welded on position on the cutterhead, described installation portion 13 is provided with the fixing hole 8 that penetrates the colter seat, this fixing hole 8 runs through mutually with the tool arm trepanning, is used for placing bolt and colter is fixed on the colter seat.Wherein, the shape of tool arm trepanning 6 and size in the tool arm trepanning 6 colter be installed, so need determine that and this tool arm trepanning 6 can be a blind hole of not punching according to institute's installation colter, also can be one and penetrate through hole fully that the tool arm trepanning 6 shown in Fig. 6 is a through hole.

The colter seat of this ditching machine is by being provided with positioning rib 7 in the side, the weld part 12 that just positioning rib can be told is welded on the cutterhead of ditching machine then, no longer need by bolt the colter seat to be fixed to cutterhead and get on, such colter seat both can be used for installing special-shaped colter; Also can be used for installing general colter.Simultaneously because this colter seat is welded on the cutterhead, and bonding strength is enough, the fixing hole that colter seat installation portion 13 the is provided with cutterhead of just can getting along well is fixed together, and is used for fixing colter separately, so just the easily dismounting of colter or replacing.

During welding, can just the conflict edge of cutterhead, the lower edge of this positioning rib 7.For positioning rib 7 can be conflicted with cutterhead better, generally all positioning rib 7 is designed to circular arc, and the colter seat end face at weld part 12 places also is designed to circular arc, and the radius of this circular arc is identical with the radius of cutterhead.The circular arc positioning rib 7 of this colter seat can guarantee the contact area maximum of the welding between colter seat and the cutterhead like this to the thickness of the distance between the circular arc end face more than or equal to cutterhead, guarantees the strong degree that is welded to connect.

In order to make ditching machine can dig out the ditch of different in width, the utility model ditching machine has adopted special cliff tool rest, Fig. 7 is the vertical view of the cliff tool rest of the utility model ditching machine, Fig. 8 is the upward view of the cliff tool rest of the utility model ditching machine, Fig. 9 is that the B-B of Fig. 8 is to cutaway view, described cliff tool rest end face is provided with the tool arm trepanning 9 that penetrates, the tool arm trepanning 9 that penetrates can be installed the cliff cutter from two ends, so just can two cliff cuttves be installed in same tool arm trepanning 9, save installing space.Described middle part of cutting arm tool rest side is provided with the boss 10 of welding usefulness, this boss directly and cutterhead be welded to connect, the cliff cutter that is installed in two ends is placed the both sides of cutterhead respectively, the ditch of being convenient to ditching machine is left carries out cliff.The position that is positioned at these boss 10 both sides on the side of described this cliff tool rest is respectively equipped with one group of fixing hole 11, this fixing hole 11 runs through mutually with tool arm trepanning 9, mainly be to be used for placing bolt, and the cliff cutter is fixed on the cliff tool rest by bolt, so just can fix two cliff cuttves in boss 10 both sides respectively, this makes that the cliff cutter is symmetrically arranged, and is compact more on the structure, has saved more space.In order to make this cliff tool rest can adjust the distance between cliff cutter and the cutterhead, the fixing hole that is comprised in every group of fixing hole 11 must not be less than two, so just can adjust distance between cliff cutter and the cutterhead, thereby adjust the width of leaving ditch that this ditching machine is suitable for by using different fixing holes; For economical with materials, a perforation can be set on the table top of boss.As shown in Figure 9, described fixing hole 11 cooperatively interacts with the nut of bolt, makes the nut of bolt not rotate in fixing hole, thereby has saved the instrument of clamping nut when making construction bolt.

The utility model is mainly used in the ditching operation in the agricultural production, particularly leaves the ditch in the big farmland of area comparison, is used for the storage of water resource.

Claims

1. a ditching machine comprises side arm, is fixed with a cutterhead on this side arm, and this cutterhead is provided with colter seat that colter is installed and the cliff tool rest that the cliff cutter is installed; It is characterized in that described side arm is " U " font, cutterhead is installed in " U " type side arm, and colter tip and cliff point of a knife end reach beyond the openend of " U " type side arm.

2. according to the described ditching machine of claim 1, it is characterized in that: the end face of described colter seat is provided with the tool arm trepanning, the side of described colter seat is provided with positioning rib this side is divided into weld part and installation portion, described installation portion is provided with the fixing hole that penetrates the colter seat, and this fixing hole runs through mutually with the tool arm trepanning.

3. according to the described ditching machine of claim 2, it is characterized in that: described tool arm trepanning penetrates this colter seat.

4. according to claim 2 or 3 described ditching machines, it is characterized in that: described positioning rib is a circular arc, and weld part colter seat end face at one end be circular arc.

5. according to the described ditching machine of claim 4, it is characterized in that: the distance between described circular arc positioning rib and the circular arc end face is more than or equal to the thickness of cutterhead.

6. according to claim 1,2 or 3 described ditching machines, it is characterized in that: be provided with colter in the described tool arm trepanning, this colter is general colter or special-shaped colter.

7. according to the described ditching machine of claim 1, it is characterized in that: described cliff tool rest end face is provided with the tool arm trepanning that penetrates, described middle part of cutting arm tool rest side is provided with the boss of welding usefulness, and the position that is positioned at these boss both sides on the side of this cliff tool rest is respectively equipped with at least two fixing holes, and this fixing hole runs through mutually with the tool arm trepanning.

8. according to the described ditching machine of claim 7, it is characterized in that: the table top of described boss is provided with perforation.