CN102900107B - Excavator, basket and connection mechanism of basket - Google Patents
Excavator, basket and connection mechanism of basket Download PDFInfo
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- CN102900107B CN102900107B CN201210356801.2A CN201210356801A CN102900107B CN 102900107 B CN102900107 B CN 102900107B CN 201210356801 A CN201210356801 A CN 201210356801A CN 102900107 B CN102900107 B CN 102900107B
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- axle sleeve
- scraper bowl
- otic placode
- front support
- dipper
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Abstract
The invention discloses an excavator, a basket and a connection mechanism of the basket. The connection mechanism of the basket is used for connecting the basket and a bucket rod and comprises lug plate shaft sleeves, bucket rod front supporting shaft sleeves and a pin shaft, wherein each the lug plate shaft sleeve comprises a straight barrel part and a protection end face; the straight barrel parts are in interference connection with shaft sleeve mounting holes in a basket connection seat lug plate of the basket; the bucket rod front supporting shaft sleeves are arranged in inner holes in two ends of a bucket rod front support connected with the basket; the bucket rod front supporting shaft sleeves are in contact fit with the protection end faces of the lug plate shaft sleeves; and the pin shaft is connected with the lug plate shaft sleeves in the inner holes and the rod piece front supporting shaft sleeves in a rotatable manner. Therefore, the connection mechanism can protect matched faces of the basket and the bucket rod, and the service life of the basket is prolonged; furthermore, the lug plate shaft sleeves are convenient to mount and can be regularly replaced; and moreover, the lug plate shaft sleeves are easy to manufacture and low in cost.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of excavator, scraper bowl and bindiny mechanism thereof.
Background technology
At present, the end that the scraper bowl of excavator is connected with dipper, due to stressed large, operating mode is severe, therefore this place's end wear is serious.In addition, because scraper bowl bearing, dipper seat end surface need postwelding to process, the material generally adopted is all welding performance and the good structural carbon steel of machinability, and low-alloy structural steel or Fine Steel Casting iron are as Q235, Q345 trade mark steel etc.
But these toughnesss of material are good but hardness is not high, and abrasion resistance is bad.For this reason, a lot of producer all can carry out specially treated herein, such as, is designed to T-shaped by the axle sleeve be arranged in dipper front support, although the end face of this design to dipper serves protective effect, in use has very large defect.
Such as: described scraper bowl Connection Block otic placode serious wear, the contact surface that described scraper bowl and dipper coordinate weares and teares; Further, because the fitting face gap of dipper and scraper bowl increases, cause scraper bowl axial motion, produce very large impact in the course of the work, reduce the application life of scraper bowl on the contrary.
Summary of the invention
In view of this, the present invention propose a kind of can improve the application life of scraper bowl excavator, scraper bowl and bindiny mechanism thereof, to solve low problem in scraper bowl application life of causing because of scraper bowl and dipper contact surface abrasion.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of scraper bowl bindiny mechanism, for connecting scraper bowl and dipper, this scraper bowl bindiny mechanism comprises: otic placode axle sleeve, comprise straight cylinder portion and protection end face, described straight cylinder portion interference is connected in the axle sleeve installing hole on the scraper bowl Connection Block otic placode of scraper bowl; Dipper front support axle sleeve, be arranged in the endoporus at the dipper front support two ends be connected with described scraper bowl, described dipper front support axle sleeve coordinates with the protection end contact of described otic placode axle sleeve; Bearing pin, is rotatably connected with described endoporus otic placode axle sleeve and dipper front support axle sleeve.
Preferably, in said apparatus, described dipper front support is provided with oil filler point, is provided with lubricating cup at described oil filler point place.
Preferably, in said apparatus, the outer rim place that endoporus otic placode axle sleeve is adjacent with dipper front support axle sleeve is provided with chamfering, and described chamfering forms V-type groove, is provided with sealing ring in described V-type groove.
Preferably, in said apparatus, described sealing ring is O type circle.
Preferably, in said apparatus, described endoporus otic placode axle sleeve and/or dipper front support axle sleeve are provided with oil sealing.
Preferably, in said apparatus, described otic placode axle sleeve is T-shaped or or notch cuttype.
Preferably, in said apparatus, described dipper front support axle sleeve is T-shaped or or notch cuttype.
Preferably, in said apparatus, the integral hardness of described otic placode axle sleeve or protection end hardness are less than the hardness of described dipper front support axle sleeve.
According to a further aspect in the invention, the present invention also provides a kind of scraper bowl, and this scraper bowl is provided with any one scraper bowl bindiny mechanism above-mentioned.
According to another aspect of the invention, the present invention also provides a kind of excavator, and this excavator is provided with any one scraper bowl above-mentioned.
Relative to prior art, the present invention has following advantage:
1) on scraper bowl Connection Block otic placode, press-fiting otic placode axle sleeve, protect scraper bowl and dipper fitting face by the mode changing otic placode axle sleeve, like this, without the need to changing scraper bowl, while protection scraper bowl and dipper fitting face, the application life of scraper bowl can be improved.
2) otic placode axle sleeve is easy for installation, can regularly replace.
3) manufacture of otic placode axle sleeve is simple, cheap.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of scraper bowl bindiny mechanism of the present invention embodiment;
Fig. 2 is the enlarged diagram of A portion indicating device in Fig. 1.
Description of reference numerals
1 scraper bowl Connection Block otic placode
2 otic placode axle sleeves
The T-shaped axle sleeve of 3 dipper
4 dipper front supports
5 O type circles
6 bearing pins
7 lubricating cups
8 oil sealings
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Basic thought of the present invention is: for changing inconvenient problem after scraper bowl and dipper contact surface abrasion, design a kind of scraper bowl and dipper bindiny mechanism of the abrasion resistance for improving scraper bowl and dipper contact surface.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
As shown in Figure 1, show the scraper bowl bindiny mechanism of the present embodiment, this scraper bowl bindiny mechanism is for connecting scraper bowl and dipper, and this scraper bowl bindiny mechanism comprises: otic placode axle sleeve 2, dipper front support axle sleeve 3 and bearing pin 6.
Wherein, described axle sleeve installing hole on the scraper bowl Connection Block otic placode 1 of scraper bowl.Described otic placode axle sleeve 2 comprises straight cylinder portion and protection end face, and described straight cylinder portion interference is connected to described axle sleeve installing hole.Described dipper front support axle sleeve 3 is arranged in the endoporus at dipper front support 4 two ends be connected with described scraper bowl, and described dipper front support axle sleeve 3 coordinates with the protection end contact of described otic placode axle sleeve 2.Described bearing pin 6 is rotatably connected with described endoporus otic placode axle sleeve 2 and dipper front support axle sleeve 3
In the present embodiment, the two ends endoporus of described dipper front support 4 is provided with dipper front support axle sleeve 3, otic placode axle sleeve 2 is pressed with in the axle sleeve installing hole of scraper bowl Connection Block otic placode 1, thus otic placode axle sleeve 2 and scraper bowl Connection Block otic placode 1 interference fit are combined, by changing otic placode axle sleeve 2, after solving scraper bowl and dipper contact surface abrasion, change inconvenient problem.
Preferably, in above-described embodiment, described dipper front support 4 is provided with oil filler point, is provided with lubricating cup 7 at described oil filler point place.The fitting face of described otic placode axle sleeve 2 and described dipper front support axle sleeve 3 is provided with the lubricant grease of annotating through lubricating cup 7, and itself can produce oil film.Therefore, the present embodiment reduces the friction of itself and dipper front support axle sleeve 3 end face further, can improve the abrasion resistance of scraper bowl and dipper contact surface, the end face of protection scraper bowl and dipper.
In the present embodiment, the fitting face of described otic placode axle sleeve 2 and dipper front support axle sleeve 3 is provided with the lubricant grease of annotating through lubricating cup 7.
Preferably, in the various embodiments described above, the outer rim place that described endoporus otic placode axle sleeve 2 is adjacent with dipper front support axle sleeve 3 is provided with chamfering, and described chamfering is formed with V-type groove, is provided with sealing ring in described V-type groove.Therefore, the present embodiment can improve the abrasion resistance of scraper bowl and dipper contact surface further.
More preferably, in above-described embodiment, described sealing ring is O type circle 5.
It should be noted that, in the present embodiment, set up sealing ring at V-type groove place as O type circle, be mainly used for sealing, prevent silt from entering contact surface gap.
Preferably, the various embodiments described above, described endoporus otic placode axle sleeve 2 and/or dipper front support axle sleeve 3 are provided with oil sealing 8, like this, in the present embodiment, described oil sealing 8 can prevent lubrication oil from overflowing, further, can also prevent the impurity of external environment such as silt etc. from entering.
Preferably, as shown in Figure 2, in the various embodiments described above, described otic placode axle sleeve 2 is T-shaped or notch cuttype.
Preferably, as shown in Figure 2, in the various embodiments described above, described dipper front support axle sleeve 3 is T-shaped or notch cuttype.
In the present embodiment, described dipper front support axle sleeve 3 be arranged at be connected with described scraper bowl between dipper front support 4 and bearing pin 6, and the contact surface of described dipper front support axle sleeve 3 matches with the structure of described dipper front support 4 and bearing pin 6.
Preferably, in the various embodiments described above, the end hardness of described otic placode axle sleeve 2 is less than the hardness of described dipper front support axle sleeve 3.Therefore, the present embodiment further can improve the abrasion resistance of scraper bowl and dipper contact surface.
In the present embodiment, the integral hardness of described otic placode axle sleeve 2 or protection end face can make its hardness be slightly less than the hardness of dipper front support axle sleeve 3 through such as heat treatment.Therefore, described scraper bowl is when rotating, when described otic placode axle sleeve 2 contacts with dipper front support axle sleeve 3, along with the prolongation of working time, the hardness due to described otic placode axle sleeve 2 end face is slightly less than the hardness of described dipper front support axle sleeve 3, thus described otic placode axle sleeve 2 is caused to wear and tear, so, after the gap between otic placode axle sleeve 2 and axle sleeve 3 reaches the gap that standard specifies, change otic placode axle sleeve 2, do not need like this to change scraper bowl, thus extend the application life of scraper bowl.
It should be noted that, the integral hardness of described otic placode axle sleeve 2 or protection end face are slightly less than the hardness of dipper front support axle sleeve 3, generally refer to, integral hardness or the protection end hardness of described otic placode axle sleeve 2 are less than tens HB, as 50-80HB.Generally, there is difference in the two hardness, with the hardness making the integral hardness of described otic placode axle sleeve 2 or protection end face be less than dipper front support axle sleeve 3.
In above-described embodiment, described scraper bowl bindiny mechanism is by such as under type realization:
1) on the left and right scraper bowl Connection Block otic placode of described scraper bowl, axle sleeve installing hole is offered;
2), after machining described axle sleeve installing hole, otic placode axle sleeve 2 is press-fited on the left and right scraper bowl Connection Block otic placode of described scraper bowl;
3) on dipper, press-fit dipper front support axle sleeve 3, and install oil sealing at the fitting face of described otic placode axle sleeve 2 and described dipper front support axle sleeve 3;
4) described scraper bowl forms V-type groove with dipper front support lateral surface after installing, and then increases O type circle at V-type groove place, for sealing, prevents silt from entering contact surface gap.
As can be seen from the various embodiments described above, the present invention has following advantage:
1) on scraper bowl Connection Block otic placode, press-fiting otic placode axle sleeve 2, protect scraper bowl and dipper fitting face by the mode changing otic placode axle sleeve 2, like this, without the need to changing scraper bowl, and then while protection scraper bowl and dipper fitting face, the application life of scraper bowl can be improved.
2) otic placode axle sleeve 2 is easy for installation, can regularly replace.
3) otic placode axle sleeve 2 manufactures simply, cheap.
The embodiment of the present invention additionally provides a kind of scraper bowl, this scraper bowl is provided with any one scraper bowl bindiny mechanism above-mentioned, because any one scraper bowl bindiny mechanism above-mentioned has above-mentioned technique effect, therefore, the scraper bowl being provided with this scraper bowl bindiny mechanism also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not hereby repeat.
The embodiment of the present invention additionally provides a kind of engineering machinery, such as excavator, this excavator is provided with any one scraper bowl above-mentioned, because any one scraper bowl above-mentioned has above-mentioned technique effect, therefore, the excavator being provided with this scraper bowl also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a scraper bowl bindiny mechanism, for connecting scraper bowl and dipper, is characterized in that, this scraper bowl bindiny mechanism comprises:
Otic placode axle sleeve (2), comprise straight cylinder portion and protection end face, described straight cylinder portion interference is connected in the axle sleeve installing hole on the scraper bowl Connection Block otic placode (1) of scraper bowl;
Dipper front support axle sleeve (3), be arranged in the endoporus at dipper front support (4) two ends be connected with described scraper bowl, described dipper front support axle sleeve (3) coordinates with the protection end contact of described otic placode axle sleeve (2);
Bearing pin (6), is rotatably connected with described otic placode axle sleeve (2) and dipper front support axle sleeve (3);
Wherein, the integral hardness of described otic placode axle sleeve (2) or protection end hardness are less than the hardness of described dipper front support axle sleeve (3).
2. scraper bowl bindiny mechanism according to claim 1, is characterized in that, described dipper front support (4) is provided with oil filler point, is provided with lubricating cup (7) at described oil filler point place.
3. scraper bowl bindiny mechanism according to claim 1, it is characterized in that, described otic placode axle sleeve (2) the outer rim place adjacent with dipper front support axle sleeve (3) is provided with chamfering, and described chamfering forms V-type groove, is provided with sealing ring in described V-type groove.
4. scraper bowl bindiny mechanism according to claim 3, is characterized in that, described sealing ring is O type circle (5).
5. scraper bowl bindiny mechanism according to claim 3, is characterized in that, described otic placode axle sleeve (2) and/or dipper front support axle sleeve (3) are provided with oil sealing (8).
6. scraper bowl bindiny mechanism according to claim 1, is characterized in that, described otic placode axle sleeve (2) is T-shaped or notch cuttype.
7. scraper bowl bindiny mechanism according to claim 1, is characterized in that, described dipper front support axle sleeve (3) is T-shaped or notch cuttype.
8. a scraper bowl, is characterized in that, this scraper bowl is provided with the scraper bowl bindiny mechanism described in aforementioned any one.
9. an excavator, is characterized in that, this excavator is provided with scraper bowl according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356801.2A CN102900107B (en) | 2012-09-24 | 2012-09-24 | Excavator, basket and connection mechanism of basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356801.2A CN102900107B (en) | 2012-09-24 | 2012-09-24 | Excavator, basket and connection mechanism of basket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900107A CN102900107A (en) | 2013-01-30 |
| CN102900107B true CN102900107B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210356801.2A Active CN102900107B (en) | 2012-09-24 | 2012-09-24 | Excavator, basket and connection mechanism of basket |
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| Country | Link |
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| CN (1) | CN102900107B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452160A (en) * | 2013-08-16 | 2013-12-18 | 三一重机有限公司 | Bucket rod and bucket connecting mechanism and excavator |
| CN103758163B (en) * | 2013-12-24 | 2016-06-08 | 柳州正菱集团有限公司 | A kind of swing arm board fixing structure of excavator |
| JP7016827B2 (en) * | 2019-03-20 | 2022-02-07 | 日立建機株式会社 | Construction machinery |
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| KR20080101489A (en) * | 2007-05-18 | 2008-11-21 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Excavator with detachable hook on work tool |
| CN201459782U (en) * | 2009-06-29 | 2010-05-12 | 包顶峰 | Bucket group of crawler-type loader |
| CN201520991U (en) * | 2009-10-09 | 2010-07-07 | 广西玉柴重工有限公司 | Connecting end surface structure for bucket and bucket rod |
| CN201981562U (en) * | 2010-12-17 | 2011-09-21 | 徐州徐工挖掘机械有限公司 | Connection structure of shovel bucket and bucket rod |
| CN202017219U (en) * | 2011-03-22 | 2011-10-26 | 三一重机有限公司 | Connecting structure for scraper bucket and bucket rod |
| CN202194923U (en) * | 2010-11-29 | 2012-04-18 | 广西玉柴重工有限公司 | Movable arm and bucket rod shaft seat connected anti-jag structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4283761B2 (en) * | 2004-12-16 | 2009-06-24 | キャタピラージャパン株式会社 | Bracket structure |
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2012
- 2012-09-24 CN CN201210356801.2A patent/CN102900107B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080101489A (en) * | 2007-05-18 | 2008-11-21 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Excavator with detachable hook on work tool |
| CN201459782U (en) * | 2009-06-29 | 2010-05-12 | 包顶峰 | Bucket group of crawler-type loader |
| CN201520991U (en) * | 2009-10-09 | 2010-07-07 | 广西玉柴重工有限公司 | Connecting end surface structure for bucket and bucket rod |
| CN202194923U (en) * | 2010-11-29 | 2012-04-18 | 广西玉柴重工有限公司 | Movable arm and bucket rod shaft seat connected anti-jag structure |
| CN201981562U (en) * | 2010-12-17 | 2011-09-21 | 徐州徐工挖掘机械有限公司 | Connection structure of shovel bucket and bucket rod |
| CN202017219U (en) * | 2011-03-22 | 2011-10-26 | 三一重机有限公司 | Connecting structure for scraper bucket and bucket rod |
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| Publication number | Publication date |
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| CN102900107A (en) | 2013-01-30 |
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