CN203008023U - Excavator bucket tooth - Google Patents

Excavator bucket tooth Download PDF

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Publication number
CN203008023U
CN203008023U CN 201220545005 CN201220545005U CN203008023U CN 203008023 U CN203008023 U CN 203008023U CN 201220545005 CN201220545005 CN 201220545005 CN 201220545005 U CN201220545005 U CN 201220545005U CN 203008023 U CN203008023 U CN 203008023U
Authority
CN
China
Prior art keywords
bucket tooth
installation portion
convex shoulder
tooth
excavator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220545005
Other languages
Chinese (zh)
Inventor
钱嘉镕新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO JIADA PRECISION CASTING CO Ltd
Original Assignee
NINGBO JIADA PRECISION CASTING CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO JIADA PRECISION CASTING CO Ltd filed Critical NINGBO JIADA PRECISION CASTING CO Ltd
Priority to CN 201220545005 priority Critical patent/CN203008023U/en
Application granted granted Critical
Publication of CN203008023U publication Critical patent/CN203008023U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an excavator bucket tooth, belongs to the field of engineering machinery, and relates to excavator equipment. An existing bucket tooth has the problems that the overall body is blunt, anti-impact strength is weak, and the like. The excavator bucket tooth solves the problems by means of an improvement in structure. The excavator bucket tooth comprises a bucket tooth body and a tooth base, wherein a mounting part is arranged at the rear end of the bucket tooth body, a connecting part is arranged at the front end of the tooth base, the connecting part is connected with the mounting part through a connecting piece, a tooth tip and a working part fixedly connected with the tooth tip are arranged at the front end of the bucket tooth body, a convex shoulder is arranged on a working surface of the working part, one end of the convex shoulder is connected with the tooth tip, the other end of the convex shoulder is connected with the mounting part, and an inwards-concave buffer area is formed in the other working surface of the working part. After the structure is adopted, the excavator bucket tooth can bear a strong reactive force which is applied by a construction object and can easily enable the construction object to be torn and crushed. In addition, in the process of construction, the resistance applied on the excavator bucket tooth is reduced, and therefore the working efficiency of an excavator is improved.

Description

Excavator bucket teeth
Technical field
The utility model belongs to engineering machinery field, relates to excavator equipment, is specifically related to excavator bucket teeth.
Background technology
Excavator is a kind of plant equipment common in modern all kinds of engineering construction, Soil and Rock after being used for excavating soil, coal, silt and passing through pre-pine etc., and excavator bucket teeth is arranged on power shovel foremost, with the direct collision of construction object, be the sharp weapon of tearing and smash the construction object, so the sharpness of excavator bucket teeth and impact strength directly affect the operating efficiency of excavator.people are for improving the operating efficiency of excavator, also constantly excavator bucket teeth improved or innovate, existing excavator bucket teeth roughly has duckbill, several large classes of coniform and huge dentation, the bucket tooth of duckbill is flat and flat, have certain impact strength and sharpness, but flat face means suffered resistance and will increase, can weaken the ability to work of excavator, cone shape bucket tooth is easily torn the construction object, be subjected to drag area also little, lose sharpness but head is very fast because of wearing and tearing, the bucket tooth of huge dentation has good impact strength, but be average in performance in other respects.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of not only sharp but also hard excavator bucket teeth.
The purpose of this utility model can realize by following technical proposal: excavator bucket teeth, comprise bucket tooth and toothholder, described bucket tooth rear end is provided with installation portion, described toothholder front end is provided with connecting portion, connecting portion is connected by connector with installation portion, it is characterized in that, the operate portions that described bucket tooth front end is provided with crown and is fixed with one with crown, described operate portions one work plane is provided with convex shoulder, described convex shoulder one end is connected with crown, the other end is connected with installation portion, and another work plane of described operate portions is provided with the buffer area of indent.The design of convex shoulder makes bucket tooth strengthen impact resistance, it is more hard that bucket tooth becomes, when crown applies impact force at the object of constructing, the object of more deeply constructing, easily it is torn or smashes, the construction object was in the instantaneous accumulation of bucket tooth work plane when bucket tooth work had been avoided in the setting of buffer area, thus suffered resistance when reducing bucket tooth work.
In above-mentioned excavator bucket teeth, the described convex shoulder other end extends to the installation portion medium position, and the height of convex shoulder raises gradually from crown end to installation portion end.This design makes bucket tooth when work, the construction object gives reaction force moment of bucket tooth and evacuates by the connecting portion that convex shoulder conducts to installation portion and toothholder, the height of convex shoulder raises gradually from crown end to installation portion end, also makes the convex shoulder also can corresponding reduction resistance when collision construction object.
In above-mentioned excavator bucket teeth, described operate portions dual-side all has cancave cambered surface and arc transition to the installation portion side, and forms the obtuse angle with the installation portion side and be connected.When this design made bucket tooth work, the object of can deeply constructing easily reduced the resistance that the construction object gives.
In above-mentioned excavator bucket teeth, the obtuse angle that described operate portions dual-side and installation portion side form is 120 degree.
In above-mentioned excavator bucket teeth, described crown is provided with the second tangent plane and the 3rd tangent plane that forms the first tangent plane that the obtuse angle is connected and be connected with operate portions dual-side formation obtuse angle with convex shoulder.This structure makes the head of bucket tooth not only have sharp one side, and wear resistant and impact resistant.
In above-mentioned excavator bucket teeth, the obtuse angle that described the first tangent plane and convex shoulder are connected to form is 120 degree, and the obtuse angle that described the second tangent plane and the 3rd tangent plane and operate portions dual-side are connected to form is 160 degree.
In above-mentioned excavator bucket teeth, described toothholder connecting portion is wedge shaped projection, and described bucket tooth installation portion is provided with the cavity that is complementary with wedge shaped projection.This design enriches bucket tooth and toothholder to coordinate, the impact capacity of reinforcement bucket tooth.
In above-mentioned excavator bucket teeth, described buffer area is for the cambered surface of depression and be positioned at middle part on work plane of living in.This structure makes bucket tooth in the course of the work, and the construction object Yan Huding that piles up at the bucket tooth work plane evacuates to both sides, reduces the suffered resistance of work plane.
Compared with prior art, after the utility model adopts said structure, can accept the powerful reaction force that the construction object gives, the object of constructing is easily torn and is smashed, and in work progress, the suffered resistance of the utility model reduces, thereby improves the operating efficiency of excavator.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model bucket tooth one face structure schematic diagram.
Fig. 3 is the utility model side structure schematic diagram.
Fig. 4 is another face structure schematic diagram of the utility model.
Fig. 5 is the utility model bucket tooth installation portion structure schematic diagram.
Fig. 6 is the utility model tooth seat structure schematic diagram.
In figure, 1, bucket tooth; 2, toothholder; 4, cavity; 5, convex shoulder; 6, buffer area; 7, side; 8, the first tangent plane; 9, the second tangent plane; 10, the 3rd tangent plane; 11, cancave cambered surface; 12, installation portion; 13, operate portions; 14, crown; 15, connecting portion.
The specific embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As Fig. 1, Fig. 5 and shown in Figure 6, the utility model comprises bucket tooth 1 and toothholder 2, is provided with installation portion 12 in bucket tooth 1 rear end, is provided with connecting portion 15 at the toothholder front end, and installation portion 12 is connected by connector with connecting portion 15.Wherein toothholder 2 connecting portions 15 are wedge shaped projection, are provided with the cavity 4 that is complementary with wedge shaped projection on bucket tooth 1 installation portion 12, and this design makes bucket tooth 1 coordinate with toothholder 2 is substantial, strengthens the impact resistance of bucket tooth 1.
As Fig. 1, Fig. 2 and shown in Figure 3, the operate portions 13 that is provided with crown 14 and is fixed with one with crown 14 at bucket tooth 1 front end, operate portions 13 1 work planes are provided with convex shoulder 5, convex shoulder 5 one ends are connected with crown 14, the other end is connected with installation portion 12 and extends to installation portion 12 medium positions, and the height of convex shoulder 5 raises gradually from crown 14 ends to installation portion 12 ends.This design makes bucket tooth 1 when work, the construction object gives reaction force moment of bucket tooth 1 and evacuates by the connecting portion 15 that convex shoulder 5 conducts to installation portion 12 and toothholder 2, the height of convex shoulder 5 raises gradually from crown 14 ends to installation portion 12 ends, also makes the convex shoulder 5 also can corresponding reduction resistance when collision construction object.The design of convex shoulder 5 makes bucket tooth 1 strengthen impact resistance, and it is more hard that bucket tooth 1 becomes, and when crown 1 applied impact force at the object of constructing, the object of more deeply constructing was torn it or smash easily.
As shown in Figure 4, be provided with the buffer area 6 of indent on operate portions 13 another work planes, buffer area 6 is for the cambered surface of depression and be positioned at middle part on this work plane.When bucket tooth 1 work has been avoided in the setting of buffer area 6, the construction object in the instantaneous accumulation of bucket tooth 1 work plane, makes bucket tooth 1 in the course of the work, and the construction object Yan Huding of accumulation is defeated loose to both sides, reduces the suffered resistance of work plane.
As Fig. 1, Fig. 2 and shown in Figure 3, all have cancave cambered surface 11 and arc transition to installation portion 12 sides at operate portions 13 dual-sides 7, and form the obtuse angle with installation portion 12 sides and is connected, wherein the obtuse angle that forms of operate portions 13 dual-sides 7 and installation portion 12 sides is 120 and spends.When this design made bucket tooth 1 work, the object of can deeply constructing easily reduced the resistance that the construction object gives.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, be provided with the second tangent plane 9 and the 3rd tangent plane 10 that form the first tangent plane 8 that the obtuse angle is connected and be connected with operate portions 13 dual-sides 7 formation obtuse angles with convex shoulder 5 on crown 14, wherein the first tangent plane 8 is 120 degree with the obtuse angle that convex shoulder 5 is connected to form, and the second tangent plane 9 and the 3rd tangent plane 10 are 160 degree with the obtuse angle that operate portions 13 dual-sides 7 are connected to form.This structure makes the head of bucket tooth 1 not only have sharp one side, and wear resistant and impact resistant.
During construction, crown 1 contacts the construction object the earliest, on the installation portion 12 that is passed to bucket tooth 1 from the powerful impact reactive force of construction object by convex shoulder 5 and the connecting portion 15 of toothholder 2, and rely on the crown 14 3 side tangent planes object of constructing to tear or smash, then operate portions 13 object surface of easily deeply constructing, constructing this moment, object prolongs operate portions 13 both sides cambered surfaces and buffer area 6 is defeated loose, and the last scraper bowl forward position deep construction object object of constructing of taking advantage of a situation is taken advantage of in bucket.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (7)

1. excavator bucket teeth, comprise bucket tooth and toothholder, described bucket tooth rear end is provided with installation portion, described toothholder front end is provided with connecting portion, connecting portion is connected by connector with installation portion, it is characterized in that, the operate portions that described bucket tooth front end is provided with crown and is fixed with one with crown, described operate portions one work plane is provided with convex shoulder, described convex shoulder one end is connected with crown, the other end is connected with installation portion, another work plane of described operate portions is provided with the buffer area of indent, described crown is provided with the second tangent plane and the 3rd tangent plane that forms the first tangent plane that the obtuse angle is connected and be connected with operate portions dual-side formation obtuse angle with convex shoulder.
2. excavator bucket teeth according to claim 1, is characterized in that, the described convex shoulder other end extends to the installation portion medium position, and the height of convex shoulder raises gradually from crown end to installation portion end.
3. excavator bucket teeth according to claim 1 and 2, is characterized in that, described operate portions dual-side all has cancave cambered surface and arc transition to the installation portion side, and form the obtuse angle with the installation portion side and be connected.
4. excavator bucket teeth according to claim 3, is characterized in that, the obtuse angle that described operate portions dual-side and installation portion side form is 120 degree.
5. excavator bucket teeth according to claim 1, is characterized in that, the obtuse angle that described the first tangent plane and convex shoulder are connected to form is 120 degree, and the obtuse angle that described the second tangent plane and the 3rd tangent plane and operate portions dual-side are connected to form is 160 degree.
6. excavator bucket teeth according to claim 1, is characterized in that, described toothholder connecting portion is wedge shaped projection, and described bucket tooth installation portion is provided with the cavity that is complementary with wedge shaped projection.
7. excavator bucket teeth according to claim 1, is characterized in that, described buffer area is for the cambered surface of depression and be positioned at middle part on another work plane.
CN 201220545005 2012-10-10 2012-10-10 Excavator bucket tooth Expired - Fee Related CN203008023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220545005 CN203008023U (en) 2012-10-10 2012-10-10 Excavator bucket tooth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220545005 CN203008023U (en) 2012-10-10 2012-10-10 Excavator bucket tooth

Publications (1)

Publication Number Publication Date
CN203008023U true CN203008023U (en) 2013-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220545005 Expired - Fee Related CN203008023U (en) 2012-10-10 2012-10-10 Excavator bucket tooth

Country Status (1)

Country Link
CN (1) CN203008023U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898026A (en) * 2021-10-20 2022-01-07 张宗强 Excavator tooth point and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898026A (en) * 2021-10-20 2022-01-07 张宗强 Excavator tooth point and manufacturing method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130619

Termination date: 20131010