CN202899182U - Bucket rod and excavator - Google Patents

Bucket rod and excavator Download PDF

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Publication number
CN202899182U
CN202899182U CN 201220566820 CN201220566820U CN202899182U CN 202899182 U CN202899182 U CN 202899182U CN 201220566820 CN201220566820 CN 201220566820 CN 201220566820 U CN201220566820 U CN 201220566820U CN 202899182 U CN202899182 U CN 202899182U
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CN
China
Prior art keywords
connection block
cylinder seat
bucket
dipper
scraper bowl
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 201220566820
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Chinese (zh)
Inventor
韩学磊
杨俊�
徐瑾
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.)
Sany Heavy Machinery Ltd
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Sany Heavy Machinery 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 Sany Heavy Machinery Ltd filed Critical Sany Heavy Machinery Ltd
Priority to CN 201220566820 priority Critical patent/CN202899182U/en
Application granted granted Critical
Publication of CN202899182U publication Critical patent/CN202899182U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a bucket rod and an excavator, and belongs to the technical field of excavator components. A bucket rod oil cylinder seat is mainly composed of solid components, an upper cover plate is covered on a flat face of the top portion of the bucket rod oil cylinder and extends forwards up to be connected with the top portion of the bucket connecting seat, and the front end of a lower cover plate is connected with the bottom portion of the bucket connecting seat and extends backwards to the back of the position of a movable arm connecting seat, after being bent upwards the front end, is connected with one face, facing towards the bucket connecting seat, of the bucket rod oil cylinder seat. A pair of side plates is covered on two sides of a framework which is formed by enclosing the upper cover plate, the lower cover plate, a bucket rod oil cylinder seat, and the bucket connecting seat to form a box body structure, and all around edges are arranged beyond the framework. A pair of side plates is arranged beyond the edge of the upper cover plate to form the bucket oil cylinder seat. A projector that the box body structure is projected on a horizontal face is an isosceles trapezoid which is narrow at front end and wide at back end. The bucket rod and the excavator have the advantages that welding quantity is reduced, welding efficiency is improved, assembly gap rationality is improved, welding defect is reduced, and strength and stability of the structure are improved.

Description

A kind of dipper and excavator
Technical field
The utility model relates to a kind of excavator assembly, relates in particular to a kind of dipper and excavator.
Background technology
Dipper is one of primary clustering in the executing agency of excavator, the dipper of existing excavator, its form of structure mostly is upper cover plate, back shroud and lower cover and encases the mode that side plate forms casing, its casing cross section is rectangle, the bucket cylinder seat welds on the upper cover plate surface, and the bucket arm cylinder seat welds at back shroud, this just to blanking and bending require too high, cause group unreasonable to the gap, weld defect occurs.This complex structure simultaneously forms the otic placode place limited space of bucket cylinder seat and bucket arm cylinder seat, the welding difficulty, and welding capacity is large, and welding efficiency is low.
The utility model content
For the problems referred to above that existing excavator boom exists, now provide a kind of dipper and excavator that is intended to reduce blanking and welding complexity.
Concrete technical scheme is as follows:
A kind of dipper comprises pair of side plates, upper cover plate 1, lower cover 2, bucket arm cylinder seat 3, swing arm Connection Block 4, scraper bowl Connection Block 5 and dipper stick Connection Block 6, wherein,
Described bucket arm cylinder seat 3 is mainly formed by entity component, and described bucket arm cylinder seat 3 tops and both sides are the plane;
Described upper cover plate 1 is overlying on the plane at described bucket arm cylinder seat 3 tops and forward and extends until be connected with described scraper bowl Connection Block 5 tops;
The front end of described lower cover 2 is connected with described scraper bowl Connection Block 5 bottoms and extands rearward to the backward upper bending predetermined angular in described swing arm Connection Block 4 places until the rear end of described lower cover 2 is connected towards the one side of described scraper bowl Connection Block 5 with described bucket arm cylinder seat 3;
A pair of described side plate is covered in the both sides formation body structure that described upper cover plate 1, lower cover 2, bucket arm cylinder seat 3 and scraper bowl Connection Block 5 enclose the framework of formation, and the edge around a pair of described side plate exceeds described framework;
The edge that a pair of described side plate exceeds described upper cover plate 1 forms bucket cylinder seat 7;
Described body structure one side that is projected as nearly described scraper bowl Connection Block 5 on horizontal plane is narrow, the isosceles trapezoid of a hem width of nearly described bucket arm cylinder seat 3.
Preferably, the width of described lower cover 2 is greater than the width of described upper cover plate 1.
Preferably, also comprise the stiffener that is symmetrically set in a plurality of zones on a pair of described side plate.
Preferably, also comprise bottom stiffener 8, described bottom stiffener 8 is located at an end of the nearly described scraper bowl Connection Block 5 in described body structure bottom, and cover the zone of described scraper bowl Connection Block 5 and described bucket cylinder seat 7, described bottom stiffener 8 dual-sides upwards are connected on a pair of described side plate after the bending.
Preferably, also comprise top stiffener 9, described top stiffener 9 is connected in an end of nearly described scraper bowl Connection Block 5 on the described upper cover plate 1, and covers the zone of described scraper bowl Connection Block 5 and described bucket cylinder seat 7.
Preferably, also comprise bent plate 10, described bent plate 10 middle parts upwards arch upward two ends connect with described upper cover plate 1 near an end of described bucket arm cylinder seat 3, described bent plate 10 sides are covered by the edge that a pair of described side plate exceeds described upper cover plate 1 fully.
Preferably, the zone that described stiffener is set on a pair of described side plate comprises the zone that covers described swing arm Connection Block 4, the zone that covers described bucket cylinder seat 7 and the zone that covers simultaneously described scraper bowl Connection Block 5 and described dipper stick Connection Block 6.
Preferably, also comprise limiting plate 11, described limiting plate 11 is overlying on described top stiffener 9 towards the upper surface of an end of described scraper bowl Connection Block 5.
Preferably, described bucket arm cylinder seat 3 is cast member.
A kind of excavator wherein, comprises above-mentioned dipper.
The beneficial effect of technique scheme is:
1, cancels the otic placode form, reduced welding capacity, improved welding efficiency.
2, cancel the upper cover plate of traditional dipper and the bending technique of back shroud, improved group to the gap reasonability, reduced weld defect.
3, the dipper overall structure is beloid, and the casing cross section is trapezium structure, has increased the casing section area, and dipper intensity is strengthened.
4, the bucket arm cylinder bearing adopts foundry goods, and welds together with pair of side plates part, upper and lower cover plates, and upper and lower cover plates and scraper bowl Connection Block weld together simultaneously, have increased the stability of structure;
5, bottom stiffener by bending after with plate-side plate welding together, increased the Strength and stability of structure.
6, main force part is strengthened by stiffener on side plate, satisfies the requirement of its intensity.
Description of drawings
Fig. 1 is the side-looking structural representation of the embodiment of a kind of dipper of the utility model;
Fig. 2 is the plan structure schematic diagram of the embodiment of a kind of dipper of the utility model;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the perspective view of bucket arm cylinder seat of the embodiment of a kind of dipper of the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the embodiment of a kind of dipper of the utility model, comprise pair of side plates 20, upper cover plate 1, lower cover 2, bucket arm cylinder seat 3, swing arm Connection Block 4, scraper bowl Connection Block 5 and dipper stick Connection Block 6, wherein, bucket arm cylinder seat 3 is mainly formed by entity component, and bucket arm cylinder seat 3 tops and both sides are the plane; Upper cover plate 1 is overlying on the plane at bucket arm cylinder seat 3 tops and forward and extends until be connected with scraper bowl Connection Block 5 tops; The front end of lower cover 2 is connected with scraper bowl Connection Block 5 bottoms and extands rearward to the backward upper bending predetermined angular in swing arm Connection Block 4 places until the rear end of lower cover 2 is connected with the one side of bucket arm cylinder seat 3 towards scraper bowl Connection Block 5; Pair of side plates 20 is covered in the both sides formation body structure that upper cover plate 1, lower cover 2, bucket arm cylinder seat 3 and scraper bowl Connection Block 5 enclose the framework of formation, and the edge around the pair of side plates 20 exceeds framework; The edge that pair of side plates 20 exceeds upper cover plate 1 forms bucket cylinder seat 7; Body structure one side that is projected as nearly scraper bowl Connection Block 5 on horizontal plane is narrow, the isosceles trapezoid of a hem width of nearly bucket arm cylinder seat 3.
Technique scheme encloses the formation framework by upper cover plate 1, lower cover 2, bucket arm cylinder seat 3 and scraper bowl Connection Block 5, and cover the combining form of framework both sides with pair of side plates 20, avoided in the existing dipper manufacturing process bending to upper cover plate and back shroud, make blanking and group to process simplification, reduced the generation of weld defect, form simultaneously the edge formation bucket cylinder seat 7 of bucket arm cylinder seat 3 and pair of side plates 20 by entity component, the otic placode form of having cancelled existing dipper employing has reduced welding capacity, has improved welding efficiency.And enhanced greatly the casing section area by the wide casing cross sectional shape in inswept rear end, dipper intensity is strengthened.
On the technique scheme basis, further, the width of lower cover 2 is greater than the width of upper cover plate 1.Make the longitudinal cross-section of body structure become the narrow trapezoidal shape of bottom wide upper portion, dipper intensity is further strengthened.
On the technique scheme basis, further, also comprise the stiffener 21 that is symmetrically set in a plurality of zones on the pair of side plates 20.Wherein, the zone that stiffener 21 is set on the pair of side plates 20 comprises the zone that covers swing arm Connection Block 4, the zone that covers bucket cylinder seat 7 and the zone that covers simultaneously scraper bowl Connection Block 5 and dipper stick Connection Block 6.The main stress area of each of dipper is all strengthened by the stiffener 21 on the side plate 20, and the bulk strength of dipper is improved.
On the technique scheme basis, further, also comprise bottom stiffener 8, bottom stiffener 8 is located at an end of the nearly scraper bowl Connection Block 5 in body structure bottom, and cover the zone of scraper bowl Connection Block 5 and bucket cylinder seat 7, bottom stiffener 8 dual-sides upwards are connected on the pair of side plates after the bending.The bending structure of bottom stiffener 8 dual-sides can further be strengthened the stability of dipper.
On the technique scheme basis, further, also comprise top stiffener 9, top stiffener 9 is connected in an end of nearly scraper bowl Connection Block 5 on the upper cover plate 1, and covers the zone of scraper bowl Connection Block 5 and bucket cylinder seat 7.Top stiffener 9 is set further strengthens the intensity of dipper front end, improve the stability of dipper integral body.
On the technique scheme basis, further, also comprise bent plate 10, bent plate 10 middle parts upwards arch upward two ends connect with upper cover plate 1 near an end of bucket arm cylinder seat 3, bent plate 10 sides are covered by the edge that pair of side plates exceeds upper cover plate 1 fully.The stability that bent plate 10 can strengthen dipper rear portion and bucket cylinder seat 7 is set.
On the technique scheme basis, further, also comprise limiting plate 11, limiting plate 11 is overlying on top stiffener 9 towards the upper surface of an end of scraper bowl Connection Block 5.Arrange when limiting plate 11 can prevent dipper and scraper bowl assembling and interfere.
On the technique scheme basis, further, bucket arm cylinder seat 3 can be cast member.Easy to process and the intensity of cast member can satisfy the needs of dipper.Simultaneously, when casting bucket arm cylinder seat 3, can under the prerequisite of the connection requirement of satisfied and other assemblies, on several planes, realize loss of weight by offering hole or groove according to the weight needs of reality.
Also comprise a kind of excavator among the embodiment of the present utility model, wherein, comprise above-mentioned dipper.
The above only is the utility model preferred embodiment; be not so limit embodiment of the present utility model and protection domain; to those skilled in the art; should recognize that being equal to that all utilization the utility model manuals and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in the protection domain of the present utility model.

Claims (10)

1. a dipper comprises pair of side plates, upper cover plate (1), lower cover (2), bucket arm cylinder seat (3), swing arm Connection Block (4), scraper bowl Connection Block (5) and dipper stick Connection Block (6), it is characterized in that,
Described bucket arm cylinder seat (3) is mainly formed by entity component, and described bucket arm cylinder seat (3) top and both sides are the plane;
Described upper cover plate (1) is overlying on the plane at described bucket arm cylinder seat (3) top and forward and extends until be connected with described scraper bowl Connection Block (5) top;
The front end of described lower cover (2) and described scraper bowl Connection Block (5) bottom is connected and extands rearward to that described swing arm Connection Block (4) is located backward upper bending predetermined angular until the rear end of described lower cover (2) is connected with the one side of described bucket arm cylinder seat (3) towards described scraper bowl Connection Block (5);
A pair of described side plate is covered in the both sides formation body structure that described upper cover plate (1), lower cover (2), bucket arm cylinder seat (3) and scraper bowl Connection Block (5) enclose the framework of formation, and the edge around a pair of described side plate exceeds described framework;
The edge that a pair of described side plate exceeds described upper cover plate (1) forms bucket cylinder seat (7);
Described body structure one side that is projected as nearly described scraper bowl Connection Block (5) on horizontal plane is narrow, the isosceles trapezoid of a hem width of nearly described bucket arm cylinder seat (3).
2. dipper as claimed in claim 1 is characterized in that the width of described lower cover (2) is greater than the width of described upper cover plate (1).
3. dipper as claimed in claim 1 is characterized in that, also comprises the stiffener that is symmetrically set in a plurality of zones on a pair of described side plate.
4. dipper as claimed in claim 1, it is characterized in that, also comprise bottom stiffener (8), described bottom stiffener (8) is located at an end of the described body structure nearly described scraper bowl Connection Block in bottom (5), and cover the zone of described scraper bowl Connection Block (5) and described bucket cylinder seat (7), described bottom stiffener (8) dual-side upwards is connected on a pair of described side plate after the bending.
5. dipper as claimed in claim 1, it is characterized in that, also comprise top stiffener (9), described top stiffener (9) is connected in an end of the upper nearly described scraper bowl Connection Block (5) of described upper cover plate (1), and covers the zone of described scraper bowl Connection Block (5) and described bucket cylinder seat (7).
6. dipper as claimed in claim 1, it is characterized in that, also comprise bent plate (10), upwards arching upward in the middle part of the described bent plate (10), two ends connect and the upper end near described bucket arm cylinder seat (3) of described upper cover plate (1), and described bent plate (10) side is exceeded the edge covering of described upper cover plate (1) fully by a pair of described side plate.
7. dipper as claimed in claim 3, it is characterized in that the zone that described stiffener is set on a pair of described side plate comprises the zone that covers described swing arm Connection Block (4), the zone that covers described bucket cylinder seat (7) and the zone that covers simultaneously described scraper bowl Connection Block (5) and described dipper stick Connection Block (6).
8. dipper as claimed in claim 5 is characterized in that also comprise limiting plate (11), described limiting plate (11) is overlying on described top stiffener (9) towards the upper surface of an end of described scraper bowl Connection Block (5).
9. such as dipper as described in arbitrary among the claim 1-8, it is characterized in that described bucket arm cylinder seat (3) is cast member.
10. an excavator is characterized in that, comprises such as dipper as described in arbitrary among the claim 1-8.
CN 201220566820 2012-10-31 2012-10-31 Bucket rod and excavator Expired - Fee Related CN202899182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220566820 CN202899182U (en) 2012-10-31 2012-10-31 Bucket rod and excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220566820 CN202899182U (en) 2012-10-31 2012-10-31 Bucket rod and excavator

Publications (1)

Publication Number Publication Date
CN202899182U true CN202899182U (en) 2013-04-24

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CN 201220566820 Expired - Fee Related CN202899182U (en) 2012-10-31 2012-10-31 Bucket rod and excavator

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123399A (en) * 2021-04-30 2021-07-16 三一重机有限公司 Bucket rod and production method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113123399A (en) * 2021-04-30 2021-07-16 三一重机有限公司 Bucket rod and production method thereof

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

Granted publication date: 20130424

Termination date: 20151031

EXPY Termination of patent right or utility model