CN206090688U

CN206090688U - Bucket tooth

Info

Publication number: CN206090688U
Application number: CN201620987777.6U
Authority: CN
Inventors: 王浩
Original assignee: Quan Qingjun
Current assignee: Quan Qingjun
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2017-04-12
Anticipated expiration: 2026-08-30

Abstract

The utility model discloses a bucket tooth, it includes installation department, prong and installs the work portion between installation department and prong, touches soil face middle part in the inboard and is equipped with the inboard strengthening rib of following the work length direction of portion and arranging, the arcwall face of indent is personally submitted to the inner of inboard strengthening rib, touching soil face middle part in the outside and being equipped with the outside strengthening rib of following the work length direction of portion and arranging, the arcwall face of evagination is personally submitted to the outer end of outside strengthening rib. The advantage: inboard strengthening rib, outside strengthening rib combine to make the native end of touching of bucket tooth wholly to be " ten " font with the prong, can effectively reduce the area of contact between the prong and the scope of operation, and reduced drag reduces the loss of machinery ability, when bucket tooth touched native end motion, only friction outside strengthening rib and prong can reduce the frictional force of work portion and object like this, extension bucket tooth's life, and bucket tooth touches the soil end and grinds sharply more, can keep good penetration power, cutting ability.

Description

A kind of bucket tooth

Technical field：

This utility model is related to excavate machine part technical field, relates in particular to a kind of bucket tooth.

Background technology：

Excavator is a main machine of engineering machinery, and it is widely used in mining, road engineering, national defence and applies Among the capital construction such as work, irrigation and water conservancy.Excavator bucket teeth is the important easy consumption part on excavator, by bucket tooth and toothholder group Into wherein bucket tooth includes crown, installation portion and the work department being connected between crown and installation portion, bucket tooth tooth common on the market It is strip that point touches soil end, and in " one " font, resistance big with scope of operation contact area is big, ability of breaking ground, and has disperseed excavator Active force to material so that the crown insertion scope of operation of bucket tooth is more difficult, or insertion is deep, that is, the energy of machine for increasing Consumption, reduces excavation effect, also so that the life-span of bucket tooth greatly reduces；And with the prolongation of use time, bucket tooth touches soil end Become more and more blunt so that dig ability more and more weaker；In addition, the overall linearly type design of bucket tooth, the pick in mining process Native efficiency is low.

Utility model content：

The purpose of this utility model is to provide a kind of bucket tooth that can effectively strengthen the ability of breaking ground, improve digging efficiency.

This utility model is implemented by following technical scheme：A kind of bucket tooth, which includes installation portion, crown, installed in the peace Work department between dress portion and the crown, the installation portion bottom are provided with a connecting cavity, distinguish in the installation portion two sides It is provided with one and the connecting hole for arranging is connected with the connecting cavity, the work department includes that soil face is touched in inner side and soil face, institute are touched in outside State crown and soil end is touched in circular arc, which also includes inner side reinforcement and outside reinforcement, touch soil Middle face in the inner side and be provided with Along the inner side reinforcement of work department length direction arrangement, the arc of the inner face in indent of the inner side reinforcement Face；Soil Middle face is touched in the outside and is provided with the outside reinforcement along work department length direction arrangement, the outside Arcwall face of the outer face of reinforcement in evagination；The tangent line of the inner face front end of the inner side reinforcement and the center of the crown Angle α between line is 5-20 °, and the inner face end of the inner side reinforcement is tangent with the installation portion front end face；It is described outer Angle β between the centrage of the tangent line and the crown of the outer face front end of side reinforcement is 10-40 °, and the outside is strengthened The outer face end of muscle is tangent with the installation portion rear end face.

Further, arcwall face of the soil face in indent is touched in the inner side, and the inner side is touched and held and the crown phase in face of soil Cut, streamlined connection between soil face end and the installation portion front end face is touched in the inner side；It is in evagination that soil face is touched in the outside Arcwall face, the outside to touch and hold tangent with the crown in face of soil, and the soil face end and installation portion rear end is touched in the outside Streamlined connection between face.

Further, the centrage of the crown is intersected vertically with the axis of the connecting hole.

Further, the work department and the length ratio of the installation portion are 5: 3.

Further, the crown centrage away from the installation portion front end face top apart from L₁With the crown centrage Away from the installation portion rear end face top apart from L₂Ratio be 2: 3.

Advantage of the present utility model：Inner side reinforcement, outside reinforcement are combined with crown so that described in the utility model The tactile native end of bucket tooth is in integrally " ten " font, and the contact area being effectively reduced between crown and the scope of operation, reduction resistance are reduced Mechanical energy is lost；When bucket tooth touches soil end motion, only friction outside reinforcement and crown, can so reduce work department and object Frictional force, extend the service life of bucket tooth, and bucket tooth touch soil end and grinds sharper and sharper, can keep good penetration power, dig energy Power；, integrally in claws of a hawk type, digging ability is strong, can effectively improve digging efficiency for bucket tooth described in the utility model.

Description of the drawings：

Fig. 1 is this utility model overall structure diagram.

Top views of the Fig. 2 for Fig. 1.

Installation portion 1, connecting cavity 11, connecting hole 12, crown 2, work department 3, inner side are touched soil face 31, outside and touch soil face 32, interior Side reinforcement 4, outside reinforcement 5.

Specific embodiment：

As depicted in figs. 1 and 2, a kind of bucket tooth, which includes installation portion 1, crown 2, between installation portion 1 and crown 2 Work department 3,1 bottom of installation portion is provided with a connecting cavity 11, is respectively equipped with one in 1 two sides of installation portion and is connected with connecting cavity 11 The connecting hole 12 of setting, work department 3 include that soil face 31 is touched in inner side and soil face 32 is touched in outside, and it is in circular arc that crown 2 touches soil end, and which is also Including inner side reinforcement 4 and outside reinforcement 5, touch in inner side and be provided with the middle part of soil face 31 along 3 length direction of work department arrangement Side reinforcement 4, the arcwall face of the inner face in indent of inner side reinforcement 4；Touch to be provided with the middle part of soil face 32 in outside and grow along work department 3 The outside reinforcement 5 of degree direction arrangement, the arcwall face of the outer face in evagination of outside reinforcement 5；Medial and lateral reinforcement wearability It is relatively strong, can effectively extend the service life of bucket tooth described in the utility model；Touch arcwall face of the soil face 31 in indent, inner side in inner side Touch 31 front end of soil face tangent with crown 2, streamlined connection between 1 front end face of soil 31 end of face and installation portion is touched in inner side；Outside Arcwall face of the soil face 32 in evagination is touched, 32 front end of the tactile soil face in outside is tangent with crown 2, and soil 32 end of face and installation portion 1 are touched in outside Streamlined connection between rear end face；Inside and outside tactile native face is arcwall face, and in inner side, reinforcement 4 and outside reinforcement 5 wear and tear Afterwards, still ensure that work department 3 has preferable mining ability；

Through repetition test, it was found that when the angle of bucket tooth incision work surface is 35 °, the wearability of bucket tooth 2 is best, therefore Determine the best design of bucket tooth described in the utility model：The tangent line and crown 2 of the inner face front end of inner side reinforcement 4 Centrage between angle α be 10 °, the inner face end of inner side reinforcement 4 is tangent with 1 front end face of installation portion；Strengthen in outside Angle β between the centrage of the tangent line and crown 2 of the outer face front end of muscle 5 is 25 °, the outer face end of outside reinforcement 5 It is tangent with 1 rear end face of installation portion；Work department 3 is 5: 3 with the length ratio of installation portion 1, and 2 centrage of crown is away from 1 front end face of installation portion Top apart from L₁With 2 centrage of crown away from 1 rear end face top of installation portion apart from L₂Ratio be 2: 3, and the centrage of crown 2 Intersect vertically with the axis of connecting hole 12；

When carrying out digging operation using bucket tooth described in the utility model, inner side reinforcement 4, outside reinforcement 5 and crown 2 With reference to causing the tactile native end of bucket tooth described in the utility model integrally in " ten " font, conventional " one " font crown is changed, can The contact area between crown 2 and the scope of operation is effectively reduced, reduces resistance, reduce mechanical energy loss；Using this utility model When described bucket tooth carries out digging operation, while using being inserted with the outside reinforcement 5 at 2 one-tenth 25 ° of angles of crown, with crown The inner side reinforcement 4 at 2 one-tenth 10 ° of angles is also inserted therewith, " from the angle lap " for making crown 2 that 35 ° are formed when the scope of operation is inserted, When bucket tooth touches soil end motion, only friction outside reinforcement 5 and crown 2, can so reduce the frictional force of work department 3 and object, Bucket tooth described in the utility model service life compared with conventional bucket tooth (card spy's 330D bucket tooths) is extended as shown in Table 1 68%, greatly extend service life, and bucket tooth touches soil end and grinds sharper and sharper, good penetration power, cutting ability can be kept； The inner side inner face of reinforcement 4 and the outer face of outside reinforcement 5 are arcwall face so that bucket tooth described in the utility model is whole Body is in claws of a hawk type, and digging ability is strong, can effectively improve digging efficiency, as shown in Table 1, this utility model and conventional bucket tooth phase Than the earth volume that equal operating time takes is greatly increased.

Table 1：Conventional bucket tooth uses contrast table with bucket tooth described in the utility model

Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model Protection domain within.

Claims

1. a kind of bucket tooth, which includes installation portion, crown, the work department between the installation portion and the crown, described Installation portion bottom is provided with a connecting cavity, is respectively equipped with a company that setting is connected with the connecting cavity in the installation portion two sides Hole is connect, the work department includes that soil face is touched in inner side and soil face is touched in outside, and it is in circular arc that the crown touches soil end, it is characterised in that Which also includes inner side reinforcement and outside reinforcement, touches soil Middle face in the inner side and is provided with along the work department length direction cloth The inner side reinforcement put, the arcwall face of the inner face in indent of the inner side reinforcement；Soil Middle face is touched in the outside It is provided with the outside reinforcement along work department length direction arrangement, the arc of the outer face in evagination of the outside reinforcement Shape face；Angle α between the centrage of the tangent line and the crown of the inner face front end of the inner side reinforcement is 5-20 °, institute The inner face end for stating inner side reinforcement is tangent with the installation portion front end face；The outer face front end of the outside reinforcement is cut Angle β between the centrage of line and the crown is 10-40 °, outer face end and the installation of the outside reinforcement Portion's rear end face is tangent.

2. a kind of bucket tooth according to claim 1, it is characterised in that touch arcwall face of the soil face in indent, institute in the inner side State and hold tangent with the crown in face of the tactile soil in inner side, it is in streamline that the inner side is touched between soil face end and the installation portion front end face Type connects；Arcwall face of the soil face in evagination is touched in the outside, and the outside to be touched and hold tangent with the crown in face of soil, the outside Touch streamlined connection between soil face end and the installation portion rear end face.

3. according to a kind of arbitrary described bucket tooth of claim 1 or 2, it is characterised in that the centrage of the crown and the company The axis for connecing hole intersects vertically.

4. according to a kind of arbitrary described bucket tooth of claim 1 or 2, it is characterised in that the work department and the installation portion Length ratio is 5: 3.

5. a kind of bucket tooth according to claim 3, it is characterised in that the work department with the length ratio of the installation portion is 5∶3。

6. according to a kind of 1,2 or 5 arbitrary described bucket tooth of claim, it is characterised in that the crown centrage is away from the peace Dress portion front end face top apart from L₁With the crown centrage away from the installation portion rear end face top apart from L₂Ratio be 2: 3.

7. a kind of bucket tooth according to claim 3, it is characterised in that the crown centrage is away from the installation portion front end face Top apart from L₁With the crown centrage away from the installation portion rear end face top apart from L₂Ratio be 2: 3.

8. a kind of bucket tooth according to claim 4, it is characterised in that the crown centrage is away from the installation portion front end face Top apart from L₁With the crown centrage away from the installation portion rear end face top apart from L₂Ratio be 2: 3.