CN203129224U

CN203129224U - Scarifier of bulldozer

Info

Publication number: CN203129224U
Application number: CN 201220723542
Authority: CN
Inventors: 刘杰; 任国涛; 刘志刚; 黄维刚; 高翔; 张东波; 何静
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2013-08-14
Anticipated expiration: 2022-12-25

Abstract

The utility model discloses a scarifier of a bulldozer. The scarifier of the bulldozer comprises a tooth rod, wherein a tooth tip is fixed at one end of the tooth rod, the tooth rod is provided with a middle hole assembled with a protective frame of the bulldozer, a planar rib plate is arranged in the position, contacted with the protective frame of the bulldozer, on the back surface of the tooth rod, a trapezoid surface is machined on the tooth rod between the planar rib plate and the back portion of the tooth tip, and a sleeve barrel is arranged on the back surface of the tooth tip. According to the scarifier of the bulldozer, a traditional scarifier of the bulldozer is modified, and the planar rib plate is added to the rear end of the tooth rod, so that the strength of the rear end surface is increased. The tooth rod and the trapezoid contacting surface adopt rounded angle transition, so that stress concentration in the maximum stress position is reduced. The sleeve barrel is arranged on the back surface of the tooth tip to play a role in protecting the tooth tip. The scarifier of the bulldozer is capable of reducing stress concentration, prolongs the service life of the tooth rod, increases scarification area, and improves scarification efficiency.

Description

A kind of bulldozer ridge buster

Technical field

The utility model relates to technical field of engineering machinery, is specifically related to a kind of bulldozer ridge buster.

Background technology

The ridge buster equipment is as comparatively complicated, the abominable service load of mainly bearing of bulldozer, and ratch is the place of stressed maximum with the lower end of protecting frame contact surface (being transverse plane behind the ratch) under most operating modes, has reduced the application life of ratch; And the front end face that crown contacts with soil is too narrow and small, has reduced the efficient of loosening the soil of bulldozer; In the past crown and sleeve are made of one, and rationally do not utilize material.

Summary of the invention

The purpose of this utility model is, a kind of bulldozer ridge buster is provided, and solves the low and problems such as efficient is low of loosening the soil in application life of bulldozer ratch in the prior art.

In order to realize above-mentioned task, the utility model is solved by the following technical solutions:

A kind of bulldozer ridge buster, comprise ratch, at ratch one end crown is arranged fixedly, ratch is provided with the interstitial hole that protects the frame assembling with bulldozer, protect the frame position contacting with bulldozer on the described ratch back side and be provided with the plane floor, ratch between plane floor and the crown back is processed with trapezoidal faces, and the crown back side is equipped with sleeve.

Round-corner transition is adopted in described plane floor and trapezoidal faces contact position.

Described crown is welded on the ratch.

The utility model improves traditional bulldozer ridge buster, adds the plane floor in the ratch rear end, has increased the intensity of rear end face; Ratch and trapezoidal contact surface adopt round-corner transition, have reduced maximum weighted place stress and have concentrated; At the crown back side sleeve is set, crown is played a protective role.This device can reduce stress to be concentrated, and improves ratch application life, increases the area that loosens the soil, and improves the efficient of loosening the soil, and improves stock utilization.

Description of drawings

Fig. 1 is lateral view of the present utility model;

Fig. 2 is schematic diagram of the present utility model;

The implication of number in the figure: 1-interstitial hole, 2-ratch, 3-crown, 4 sleeves, 5 plane floors, 6-trapezoidal faces;

The utility model is described in further detail below in conjunction with accompanying drawing.

The specific embodiment

Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.

Defer to technique scheme, as shown in Figure 1, a kind of bulldozer ridge buster, comprise ratch 2, at ratch 2 one ends crown 3 is arranged fixedly, ratch 2 is provided with the interstitial hole 1 that protects the frame assembling with bulldozer, protects the frame position contacting with bulldozer on described ratch 2 back sides and is provided with plane floor 5, ratch 2 between plane floor 5 and crown 3 backs is processed with trapezoidal faces 6, and crown 3 back sides are equipped with sleeve 4.

Ratch 2 rear ends are provided with a plane floor 5, and namely the rear end face of ratch 2 and front end face are asymmetric about interstitial hole 1, have increased the intensity of rear end face; Ratch 2 between plane floor 5 and crown 3 backs is processed with trapezoidal faces 6, and plane floor 5 adopts round-corner transition with trapezoidal faces 6, has reduced maximum weighted place stress and has concentrated.Crown 3 adopts fan blade type, and front end face is arcwall face, can reduce to cut soil resistance; Rear end face is equipped with sleeve 4 by pin, and crown 3 adopts different materials to make with sleeve 4, with the intensity that satisfies crown 3 and the demand that all can reach ideal effect to different soil properties; The radial dimension of crown 3 has increased crown 3 sizes greater than the radial dimension of ratch 2, has namely increased the area that loosens the soil, and has improved the efficient of loosening the soil; Round-corner transition is adopted in crown 3 rear ends and trapezoidal faces 6 contact positions, has reduced stress and has concentrated.

The utility model is assemblied in when bulldozing operation on the bulldozer, ridge buster can bear comparatively complicated, abominable service load, ratch is the place of stressed maximum with the lower end of protecting the frame contact surface under most operating modes, round-corner transition is adopted in ratch 2 transverse plane lower ends, back and trapezoidal faces 6 contact positions in this device, has reduced maximum weighted place stress and has concentrated; Plane floor 5 has increased the intensity of ratch 2 rear end faces, and 4 pairs of crowns 3 of sleeve play a very good protection.

Claims

1. bulldozer ridge buster, comprise ratch (2), at ratch (2) one ends crown (3) is arranged fixedly, ratch (2) is provided with the interstitial hole (1) that protects the frame assembling with bulldozer, it is characterized in that, protect the frame position contacting with bulldozer on described ratch (2) back side and be provided with plane floor (5), the ratch (2) between plane floor (5) and crown (3) back is processed with trapezoidal faces (6), and crown (3) back side is equipped with sleeve (4).

2. bulldozer ridge buster as claimed in claim 1 is characterized in that, described plane floor (5) adopts round-corner transition with trapezoidal faces (6) contact position, and round-corner transition is adopted in described crown (3) back side and trapezoidal faces (6) contact position.

3. bulldozer ridge buster as claimed in claim 1 is characterized in that, described crown (3) is welded on the ratch (2).