CN203412013U - Excavator movable arm and bucket rod structures - Google Patents
Excavator movable arm and bucket rod structures Download PDFInfo
- Publication number
- CN203412013U CN203412013U CN201320374094.XU CN201320374094U CN203412013U CN 203412013 U CN203412013 U CN 203412013U CN 201320374094 U CN201320374094 U CN 201320374094U CN 203412013 U CN203412013 U CN 203412013U
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- CN
- China
- Prior art keywords
- swing arm
- stiffener
- dipper
- joint
- stairstepping
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Abstract
The utility model provides an excavator movable arm structure which is characterized in that stepped reinforcing plates are arranged on a movable arm front support, a joint of the movable arm front support and a movable arm front side plate, a joint of the movable arm front side plate and a movable arm middle side plate and a joint of a movable rear side plate and a movable rear support. The utility model also provides an excavator bucket rod structure which is characterized in that stepped reinforcing plates are arranged at a joint of a bucket rod front side plate and a bucket rod middle side plate and a joint of the bucket rod middle side plate and a bucket rod rear side plate. According to the excavator movable arm and bucket rod structures, the defects in the prior art are overcome, the performance functions of limited materials are fully utilized under the premise of meeting the functional requirements of an excavator, the stress condition is improved, the strength, the rigidity and the stability of a movable arm and a bucket rod are greatly improved, the shape is coordinating integrally, the filament line shape is realized, and the appearance is more attractive.
Description
Technical field
The utility model relates to a kind of excavator swing arm and dipper structure, belongs to excavator technical field.
Background technology
Excavator, as one of important engineering machinery, is widely used in the engineering fields such as building, road, mine, river course, and Main Function is to carry out digging operation.Excavator is different from other engineering machinery, and its working environment is extremely severe, often the rigidity of structural member, intensity and reliability is had to higher requirement.
In the design of the equipment of excavator (swing arm, dipper), according to the requirement of excavator general arrangement design, swing arm, dipper needs under the prerequisite that meets various functions requirement have minimum deadweight, so structural member need adopt optimized design.The swing arm of excavator is, the agent structure of dipper is box structure at present, and its web main flow form is three plate docking, and upper and lower cover plate generally adopts splicing or made of one piece to be welded, and from great, intensity, rigidity all have much room for improvement, and application life is short.
Utility model content
The technical problems to be solved in the utility model is to provide conducts oneself with dignity littlely under a kind of prerequisite meeting excavator function requirement, reasonable stress, can improve excavator swing arm and the dipper structure in intensity, rigidity and the life-span of digging machine structural element.
In order to solve above-mentioned first technical problem, the technical solution of the utility model is to provide a kind of excavator swing arm structure, comprise the swing arm front side board of being located on the front bearing of swing arm, the swing arm back side panel of being located on swing arm rear support is connected with swing arm front side board by swing arm latus inframedium, it is characterized in that: before described swing arm, bearing is provided with the first stairstepping stiffener, before described swing arm, the joint of bearing and swing arm front side board is provided with the trapezoidal stiffener of second-order, the joint of described swing arm front side board and swing arm latus inframedium is provided with the 3rd stairstepping stiffener, described swing arm back side panel and swing arm rear support joint are provided with the trapezoidal stiffener of quadravalence.
Preferably, described the first stairstepping stiffener, the trapezoidal stiffener of second-order, the 3rd stairstepping stiffener, the trapezoidal stiffener of quadravalence are concave structure, comprise base, one end of first side, second side is connected with the two ends on base respectively, and second side is longer than in first side; The two ends of groove connect respectively the other end of first side and second side, and bottom portion of groove is arc structure.
Preferably, the base of the trapezoidal stiffener of described second-order, the 3rd stairstepping stiffener, the trapezoidal stiffener of quadravalence is connected with the butt weld of swing arm rear support joint with joint, the swing arm back side panel of swing arm latus inframedium with joint, the swing arm front side board of swing arm front side board with bearing before described swing arm respectively.
In order to solve above-mentioned second technical problem, the technical solution of the utility model is to provide a kind of excavator boom structure, comprise dipper front side board, dipper back side panel is connected with dipper front side board by dipper latus inframedium, it is characterized in that: described dipper front side board and dipper latus inframedium joint are provided with the 5th stairstepping stiffener, described dipper latus inframedium and dipper back side panel joint are provided with the 6th stairstepping stiffener.
Preferably, described the 5th stairstepping stiffener, the 6th stairstepping stiffener are concave structure, comprise base, and one end of first side, second side is connected with the two ends on base respectively, and second side is longer than in first side; The two ends of groove connect respectively the other end of first side and second side, and bottom portion of groove is arc structure.
Preferably, the base of described the 5th stairstepping stiffener, the 6th stairstepping stiffener is connected with the butt weld of dipper back side panel joint with dipper latus inframedium joint, dipper latus inframedium with described dipper front side board respectively.
A kind of excavator swing arm that the utility model provides and dipper structure have been given full play to the effect of steel, according to the different cross section of stress distribution situation choose reasonable in swing arm, each cross section of dipper, and by setting up respectively stairstepping stiffener, make swing arm, dipper structure reach as far as possible the requirement of equal strength design.In same other digger operating device of tonnage level, steel used are minimum, and weight is the lightest, more reasonable stress, intensity, rigidity and the life-span of having improved digging machine structural element.
A kind of excavator swing arm and dipper structure that the utility model provides have overcome the deficiencies in the prior art, under the prerequisite that meets excavator function requirement, take full advantage of the performance effect of limited material, improved force-bearing situation, intensity, rigidity and the stability of swing arm, dipper are improved greatly; Appearance integral is coordinated, and is streamline shape, more attractive in appearance.
Accompanying drawing explanation
A kind of excavator swing arm structural representation that Fig. 1 provides for the utility model;
A kind of excavator boom structural representation that Fig. 2 provides for the utility model;
Fig. 3 is stairstepping stiffener structural representation in the present embodiment;
Description of reference numerals
Bearing before 1-swing arm; The trapezoidal stiffener of 2-second-order; 3-swing arm front side board; 4-swing arm upper cover plate; 5-swing arm lower cover; 6-the 3rd stairstepping stiffener; 7-swing arm latus inframedium; 8-swing arm back side panel; The trapezoidal stiffener of 9-quadravalence; 10-swing arm rear support; 11-dipper front side board; 12-the 5th stairstepping stiffener; 13-dipper upper cover plate; 14-dipper lower cover; 15-the 6th stairstepping stiffener; 16-dipper back side panel; 17-the first stairstepping stiffener; 18-dipper latus inframedium; 101-first side; 102-second side; 103-groove; 104-base.
The specific embodiment
For the utility model is become apparent, hereby with a preferred embodiment, and coordinate accompanying drawing to be described in detail below.
A kind of excavator swing arm structural representation that Fig. 1 provides for the utility model, described a kind of excavator swing arm structure comprises the swing arm front side board 3 being contained on the front bearing 1 of swing arm, the swing arm back side panel 8 being contained on swing arm rear support 10 is connected with swing arm front side board 3 by swing arm latus inframedium 7, and swing arm upper cover plate 4 and swing arm lower cover 5 are housed on swing arm front side board 3.Before swing arm, on bearing 1, the first stairstepping stiffener 17 is housed, before swing arm, bearing 1 is equipped with the trapezoidal stiffener 2 of second-order with the joint of swing arm front side board 3, swing arm front side board 3 is equipped with the 3rd stairstepping stiffener 6 with the joint of swing arm latus inframedium 7, and swing arm back side panel 8 is equipped with the trapezoidal stiffener 9 of quadravalence with swing arm rear support 10 joints.
A kind of excavator boom structural representation that Fig. 2 provides for the utility model, described a kind of excavator boom structure comprises dipper front side board 11, dipper back side panel 16 is connected with dipper front side board 11 by dipper latus inframedium 18, and dipper upper cover plate 13 and dipper lower cover 14 are housed on dipper latus inframedium 18.Dipper front side board 11 is equipped with the 5th stairstepping stiffener 12 with dipper latus inframedium 18 joints, and dipper latus inframedium 18 is equipped with the 6th stairstepping stiffener 15 with dipper back side panel 16 joints.
In conjunction with Fig. 3, the first stairstepping stiffener 17, the trapezoidal stiffener 2 of second-order, the 3rd stairstepping stiffener 6, the trapezoidal stiffener 9 of quadravalence, the 5th stairstepping stiffener 12, the 6th stairstepping stiffener 15 are concave structure, comprise base 104, one end of 101, second side, first side 102 is connected with the two ends on base 104 respectively, and second side 102 is longer than in first side 101, the two ends of groove 103 connect respectively the other end of 101He second side, first side 102, groove 103 bottoms are arc structure, form a cascade flow linear structure.Base 104 is parallel with the butt weld of side plate, 102, first side, second side 101 is parallel with the upper and lower cover plate of box structure respectively, article two, between side and upper and lower cover plate, leave gap, the thickness of stairstepping stiffener, length can adjust according to actual loading situation.
During installation, the trapezoidal stiffener 2 of second-order, the 3rd stairstepping stiffener 6, the trapezoidal stiffener 9 of quadravalence, the 5th stairstepping stiffener 12, the base 104 of the 6th stairstepping stiffener 15 respectively with swing arm before the joint of bearing 1 and swing arm front side board 3, the joint of swing arm front side board 3 and swing arm latus inframedium 7, swing arm back side panel 8 and swing arm rear support 10 joints, dipper front side board 11 and dipper latus inframedium 18 joints, dipper latus inframedium 18 merges with the butt weld of dipper back side panel 16 joints, first side 101, second side 102 respectively with cover plate, the weld seam of web merges.
A kind of excavator swing arm that the utility model provides and dipper structure have been given full play to the effect of steel, according to the different cross section of stress distribution situation choose reasonable in swing arm, each cross section of dipper, and by setting up respectively stairstepping stiffener, make swing arm, dipper structure reach as far as possible the requirement of equal strength design.Owing to having given full play to the effect of steel, so in same other digger operating device of tonnage level, a kind of excavator swing arm that the utility model provides and dipper structure steel used are minimum, weight is the lightest, more reasonable stress, intensity, rigidity and the life-span of having improved digging machine structural element.
Claims (6)
1. an excavator swing arm structure, comprise the swing arm front side board (3) of being located on the front bearing (1) of swing arm, the swing arm back side panel (8) of being located on swing arm rear support (10) is connected with swing arm front side board (3) by swing arm latus inframedium (7), it is characterized in that: before described swing arm, bearing (1) is provided with the first stairstepping stiffener (17), before described swing arm, bearing (1) is provided with the trapezoidal stiffener of second-order (2) with the joint of swing arm front side board (3), described swing arm front side board (3) is provided with the 3rd stairstepping stiffener (6) with the joint of swing arm latus inframedium (7), described swing arm back side panel (8) is provided with the trapezoidal stiffener of quadravalence (9) with swing arm rear support (10) joint.
2. a kind of excavator swing arm structure as claimed in claim 1, it is characterized in that: described the first stairstepping stiffener (17), the trapezoidal stiffener of second-order (2), the 3rd stairstepping stiffener (6), the trapezoidal stiffener of quadravalence (9) are concave structure, comprise base (104), one end of first side (101), second side (102) is connected with the two ends of base (104) respectively, and first side (101) are longer than second side (102); The two ends of groove 103 connect respectively the other end of first side (101) and second side (102), and groove (103) bottom is arc structure.
3. a kind of excavator swing arm structure as claimed in claim 2, is characterized in that: the base (104) of the trapezoidal stiffener of described second-order (2), the 3rd stairstepping stiffener (6), the trapezoidal stiffener of quadravalence (9) is connected with the butt weld of swing arm rear support (10) joint with joint, the swing arm back side panel (8) of swing arm latus inframedium (7) with joint, the swing arm front side board (3) of swing arm front side board (3) with bearing (1) before described swing arm respectively.
4. an excavator boom structure, comprise dipper front side board (11), dipper back side panel (16) is connected with dipper front side board (11) by dipper latus inframedium (18), it is characterized in that: described dipper front side board (11) is provided with the 5th stairstepping stiffener (12) with dipper latus inframedium (18) joint, described dipper latus inframedium (18) is provided with the 6th stairstepping stiffener (15) with dipper back side panel (16) joint.
5. a kind of excavator boom structure as claimed in claim 4, it is characterized in that: described the 5th stairstepping stiffener (12), the 6th stairstepping stiffener (15) are concave structure, comprise base (104), one end of first side (101), second side (102) is connected with the two ends of base (104) respectively, and first side (101) are longer than second side (102); The two ends of groove 103 connect respectively the other end of first side (101) and second side (102), and groove (103) bottom is arc structure.
6. a kind of excavator boom structure as claimed in claim 5, is characterized in that: the base (104) of described the 5th stairstepping stiffener (12), the 6th stairstepping stiffener (15) is connected with the butt weld of dipper back side panel (16) joint with dipper latus inframedium (18) joint, dipper latus inframedium (18) with described dipper front side board (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320374094.XU CN203412013U (en) | 2013-06-27 | 2013-06-27 | Excavator movable arm and bucket rod structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320374094.XU CN203412013U (en) | 2013-06-27 | 2013-06-27 | Excavator movable arm and bucket rod structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412013U true CN203412013U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320374094.XU Expired - Fee Related CN203412013U (en) | 2013-06-27 | 2013-06-27 | Excavator movable arm and bucket rod structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107810297A (en) * | 2015-06-29 | 2018-03-16 | 卡特彼勒Sarl | Enhancing structure for the cantilever of Work machine |
| CN108779613A (en) * | 2016-06-27 | 2018-11-09 | 株式会社小松制作所 | The manufacturing method of the equipment of hydraulic crawler excavator and the equipment of hydraulic crawler excavator |
-
2013
- 2013-06-27 CN CN201320374094.XU patent/CN203412013U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107810297A (en) * | 2015-06-29 | 2018-03-16 | 卡特彼勒Sarl | Enhancing structure for the cantilever of Work machine |
| CN108779613A (en) * | 2016-06-27 | 2018-11-09 | 株式会社小松制作所 | The manufacturing method of the equipment of hydraulic crawler excavator and the equipment of hydraulic crawler excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20160627 |