CN210369089U - 170-degree bending arm and walking type hydraulic excavator - Google Patents
170-degree bending arm and walking type hydraulic excavator Download PDFInfo
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- CN210369089U CN210369089U CN201920729787.3U CN201920729787U CN210369089U CN 210369089 U CN210369089 U CN 210369089U CN 201920729787 U CN201920729787 U CN 201920729787U CN 210369089 U CN210369089 U CN 210369089U
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Abstract
The utility model discloses a 170-degree bending arm, which comprises an arm body, wherein the front end of the arm body is provided with a front support sleeve, the rear end of the arm body is provided with a rear support sleeve, the upper side of the arm body is provided with an ear plate sleeve II, the lower side of the arm body is provided with an ear plate sleeve I, and the arm body comprises a left web plate, a right web plate, a lower cover plate, an upper cover plate III, an upper cover plate II and an upper cover plate I; the front support sleeve, the left web plate, the upper cover plate III, the right web plate and the lower cover plate form a front support; a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve I, and the lug plate sleeve I, the lug plates and the reinforcing plates are matched with the left web plate and the right web plate to form a box-type movable arm oil cylinder hinge seat; a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve II, and the lug plate sleeve II, the lug plates and the reinforcing plates are matched with the left web plate and the right web plate to form a box-type bucket rod oil cylinder hinge seat; the rear support sleeve, the left web plate, the upper cover plate I, the right web plate and the lower cover plate form a rear support. The bending arm has the advantages of simple structure, light weight and high strength, so that the operating height of the walking hydraulic excavator is improved, and the operating depth is ensured.
Description
Technical Field
The utility model relates to a 170 curved movable arm and walking hydraulic shovel belongs to excavator technical field.
Background
Compared with the mechanical arm of a common excavator, the working arm of the walking hydraulic excavator has the characteristics of rapidness, flexibility, multiple degrees of freedom, large operation range and capability of being matched with a walking chassis to finish operation tasks which cannot be finished by other engineering machinery such as trench crossing, slope climbing, vertical obstacle crossing, wading and the like.
The working boom is one of the worst stressed parts of the walking hydraulic excavator, so the quality of the structural design directly influences the working performance of the whole machine. The existing movable arm is poor in structural strength.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a 170 curved movable arm, the structure is succinct, light in weight, intensity is big. The utility model also provides a walking hydraulic excavator who installs this 170 curved boom.
In order to achieve the purpose, the 170-degree bending arm comprises an arm body, wherein the front end of the arm body is provided with a front support sleeve, the rear end of the arm body is provided with a rear support sleeve, an ear plate sleeve II is arranged on the upper side of the arm body, an ear plate sleeve I is arranged on the lower side of the arm body, and the arm body comprises a left web plate, a right web plate, a lower cover plate, an upper cover plate III, an upper cover plate II and an upper cover plate I;
the front support sleeve, the left web plate, the upper cover plate III, the right web plate and the lower cover plate form a front support; a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve I, and the lug plate sleeve I, the lug plates and the reinforcing plates are matched with the left web plate and the right web plate to form a box-type movable arm oil cylinder hinge seat; a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve II, and the lug plate sleeve II, the lug plates and the reinforcing plates are matched with the left web plate and the right web plate to form a box-type bucket rod oil cylinder hinge seat; the rear support sleeve, the left web plate, the upper cover plate I, the right web plate and the lower cover plate form a rear support.
As an improvement, a left web plate in the front support is welded with a left reinforcing plate I, an upper cover plate III is welded with an upper reinforcing plate II, a right web plate is welded with a right reinforcing plate IV, and a lower cover plate is welded with a lower reinforcing plate III;
and the left reinforcing plate I, the upper reinforcing plate II, the right reinforcing plate IV and the lower reinforcing plate III are matched to form a box body structure.
As an improvement, a reinforcing plate II is welded at the position where the lug plate sleeve I is arranged in the arm body; a reinforcing plate I is welded at a position where an ear plate sleeve II is arranged in the arm body; and a lower reinforcing plate II is welded on the lower cover plate.
As an improvement, the ear plate sleeve I comprises a left ear plate sleeve I and a right ear plate sleeve I; a left ear plate II, a lower ear plate reinforcing plate IV and a lower ear plate reinforcing plate I are welded at the position of the left ear plate sleeve I, and the left ear plate sleeve I, the left ear plate II, the lower ear plate reinforcing plate IV, a left web plate and the lower ear plate reinforcing plate I form a left box-shaped movable arm oil cylinder hinge seat;
the welding of I department of right ear board sleeve has right ear board II, lower otic placode reinforcing plate III, lower otic placode reinforcing plate II, right ear board sleeve I, right otic placode II, right web, lower otic placode reinforcing plate III, lower otic placode reinforcing plate II constitute the articulated seat of right box swing arm hydro-cylinder.
As an improvement, a left reinforcing plate II is welded on the left web plate; and a right reinforcing plate III is welded on the right web plate.
As an improvement, the ear plate sleeve II comprises a left ear plate sleeve II and a right ear plate sleeve II;
a left ear plate I, an upper ear plate reinforcing plate IV and an upper ear plate reinforcing plate II are welded at the position of the left ear plate sleeve II, and the left ear plate sleeve II, the left ear plate I, the upper ear plate reinforcing plate IV, a left web plate and the upper ear plate reinforcing plate II form a left box-type bucket rod oil cylinder hinge seat;
the welding of II departments of right side otic placode sleeve has right otic placode I, goes up otic placode reinforcing plate III, goes up otic placode reinforcing plate I, right otic placode sleeve II, right otic placode I, go up otic placode reinforcing plate III, right web and last otic placode reinforcing plate I constitute the articulated seat of right box dipper handle hydro-cylinder.
As an improvement, a left reinforcing plate III is welded on the left web plate; and a right reinforcing plate II is welded on the right web plate.
As an improvement, a left web plate in the rear support is welded with a left reinforcing plate IV, an upper cover plate I is welded with an upper reinforcing plate I, a right web plate is welded with a right reinforcing plate I, and a lower cover plate is welded with a lower reinforcing plate I;
and the left reinforcing plate IV, the upper reinforcing plate I, the right reinforcing plate I and the lower reinforcing plate I are matched to form a box body structure.
As an improvement, the pipe clamp frame is welded on the upper reinforcing plate I.
Finally, the utility model also provides a walking hydraulic excavator which is provided with the 170-degree bending arm.
Compared with the prior art, the utility model provides a 170 curved movable arm wholly adopts the whole structure that the board welding formed the box, and the local welding of the abominable position of its atress has the reinforcing plate, and its arm body inner chamber has increased the strengthening rib. The bending movable arm adopts an optimized 170-degree operation movable arm structure form and an optimized hinge point arrangement form, so that the operating height of the walking hydraulic excavator is improved, and the operating depth is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a view from direction K of FIG. 1;
fig. 4 is a top view of the present invention;
FIG. 5 is a sectional view A-A of FIG. 4;
FIG. 6 is a view in the direction of G of FIG. 4;
FIG. 7 is a view from direction H of FIG. 6;
in the figure: 1. front support sleeve, 2, left reinforcing plates I, 3, ear plate sleeves I, 4, left reinforcing plates II, 5, left web, 6, left reinforcing plates III, 7, ear plate sleeves II, 8, left reinforcing plates IV, 9, rear support sleeve, 10, upper ear plate reinforcing plates I, 11, right ear plate I, 12, left ear plate I, 13, upper ear plate reinforcing plates II, 14, right ear plate II, 15, left ear plate II, 16, reinforcing plates I, 17, reinforcing plates II, 18, upper ear plate reinforcing plates III, 19, upper reinforcing plates I, 20, upper cover plates I, 21, upper ear plate reinforcing plates IV, 22, right reinforcing plates I, 23, right reinforcing plates II, 24, lower reinforcing plates I, 25, lower cover plates, 26, lower reinforcing plates II, 27, lower ear plate reinforcing plates I, 28, lower ear plate reinforcing plates III, 29, lower ear plate reinforcing plates III, 30, lower ear plate II, right reinforcing plates IV, 31, right web plates III, 32, 33. the upper cover plates II and 34, the upper cover plates III and 35, the upper reinforcing plates II and 36, the right reinforcing plates IV and 37, the cover plate fixing blocks I and 38, the cover plate fixing blocks II and 39, the pipe clamping frame 40, the lower reinforcing plates III and 41, a front support 42, an arm body 43, a movable arm oil cylinder hinge seat 44, an arm rod oil cylinder hinge seat 45 and a rear support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1 to 7, the 170 ° bending arm comprises an arm body 42, wherein a front support sleeve 1 is arranged at the front end of the arm body 42, a rear support sleeve 9 is arranged at the rear end of the arm body 42, an ear plate sleeve ii 7 is arranged on the upper side of the arm body 42, an ear plate sleeve i 3 is arranged on the lower side of the arm body 42, and the arm body 42 comprises a left web 5, a right web 31, a lower cover plate 25, an upper cover plate iii 34, an upper cover plate ii 33 and an upper cover plate i 20; the front support sleeve 1, the left web plate 5, the upper cover plate III 34, the right web plate 31 and the lower cover plate 25 form a front support 41;
a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve I3, and the lug plate sleeve I3, the lug plates and the reinforcing plates are matched with the left web plate 5 and the right web plate 31 to form a box-type movable arm oil cylinder hinge seat 43;
a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve II 7, and the lug plate sleeve II 7, the lug plates and the reinforcing plates are matched with the left web plate 5 and the right web plate 31 to form a box-type bucket rod oil cylinder hinge seat 44;
the rear support sleeve 9, the left web 5, the upper cover plate I20, the right web 31 and the lower cover plate 25 form a rear support 45.
A left web plate 5 in the front support 41 is welded with a left reinforcing plate I2, an upper cover plate III 34 is welded with an upper reinforcing plate II 35, a right web plate 31 is welded with a right reinforcing plate IV 36, and a lower cover plate 25 is welded with a lower reinforcing plate III 40; the left reinforcing plate I2, the upper reinforcing plate II 35, the right reinforcing plate IV 36 and the lower reinforcing plate III 40 are matched to form a box structure, and the front support 41 is reinforced.
The movable arm oil cylinder hinge seat 43 comprises a left movable arm oil cylinder hinge seat and a right movable arm oil cylinder hinge seat, and the lug plate sleeve I3 comprises a left lug plate sleeve I and a right lug plate sleeve I;
the left movable arm oil cylinder hinged seat is a box-shaped component formed by a left lug plate sleeve I, a left lug plate II 15, a left web plate 5, a lower lug plate reinforcing plate IV 30 and a lower lug plate reinforcing plate I27, the right movable arm oil cylinder hinged seat is a box-shaped component formed by a right lug plate sleeve I, a right lug plate II 14, a lower lug plate reinforcing plate III 29, a lower lug plate reinforcing plate II 28 and a right web plate 31, and the movable arm oil cylinder hinged seat 43 is welded on the lower cover plate 25 in parallel. And the left reinforcing plate II 4 and the right reinforcing plate III 32 are respectively welded on the left web plate 5 and the right web plate 31 to reinforce the movable arm oil cylinder hinged seat 43.
The bucket rod oil cylinder hinge seat 44 comprises a left box-type bucket rod oil cylinder hinge seat and a right box-type bucket rod oil cylinder hinge seat, and the lug plate sleeve II 7 comprises a left lug plate sleeve II and a right lug plate sleeve II;
a left ear plate I12, an upper ear plate reinforcing plate IV 21 and an upper ear plate reinforcing plate II 13 are welded at the position of the left ear plate sleeve II, and the left ear plate sleeve II, the left ear plate I12, the upper ear plate reinforcing plate IV 21, the left web 5 and the upper ear plate reinforcing plate II 13 form a left box-shaped bucket rod oil cylinder hinge seat;
a right ear plate I11, an upper ear plate reinforcing plate III 18 and an upper ear plate reinforcing plate I10 are welded at the position of the right ear plate sleeve II, and the right ear plate sleeve II, the right ear plate I11, the upper ear plate reinforcing plate III 18, a right web plate 31 and the upper ear plate reinforcing plate I10 form a right box-shaped bucket rod oil cylinder hinge seat;
articulated seat 44 parallel welding of dipper hydro-cylinder is on I20 of upper cover plate, and welding respectively on left web 5, right web 31 is left to left reinforcing plate III 6, right reinforcing plate II 23 plays the reinforcing effect to articulated seat 44 of dipper hydro-cylinder.
A left reinforcing plate IV 8 is welded on a left web plate 5 in the rear support 45, an upper reinforcing plate I19 is welded on an upper cover plate I20, a right reinforcing plate I22 is welded on a right web plate 31, and a lower reinforcing plate I24 is welded on a lower cover plate 25; and the left reinforcing plate IV 8, the upper reinforcing plate I19, the right reinforcing plate I22 and the lower reinforcing plate I24 are matched to form a box structure, and the rear support 45 is reinforced.
The pipe clamp frame 39 is welded on the upper reinforcing plate I19 and used for installing a sliding type rubber pipe device. The cover plate fixing block I37 and the cover plate fixing block II 38 are respectively welded on the left web plate 5 and the right web plate 31 and used for fixing the rubber pipe cover plate.
The utility model provides a 170 curved movable arm wholly adopts the structure that whole board welding formed the box, and the local welding in the abominable position of its atress has the reinforcing plate, and its arm body inner chamber has increased the strengthening rib. The bending movable arm adopts an optimized 170-degree operation movable arm structure form and an optimized hinge point arrangement form, so that the operating height of the walking hydraulic excavator is improved, and the operating depth is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (10)
1. A170-degree bending arm comprises an arm body (42), wherein a front support sleeve (1) is arranged at the front end of the arm body (42), a rear support sleeve (9) is arranged at the rear end of the arm body (42), an ear plate sleeve II (7) is arranged on the upper side of the arm body (42), an ear plate sleeve I (3) is arranged on the lower side of the arm body (42), and the arm body (42) comprises a left web plate (5), a right web plate (31), a lower cover plate (25), an upper cover plate III (34), an upper cover plate II (33) and an upper cover plate I (20);
the front support is characterized in that a front support (41) is formed by the front support sleeve (1), the left web (5), the upper cover plate III (34), the right web (31) and the lower cover plate (25);
a plurality of lug plates and reinforcing plates are welded at the lug plate sleeve I (3), and the lug plate sleeve I (3), the lug plates and the reinforcing plates are matched with a left web plate (5) and a right web plate (31) to form a box-type movable arm oil cylinder hinge seat (43);
a plurality of lug plates and reinforcing plates are welded at the position of the lug plate sleeve II (7), and the lug plate sleeve II (7), the lug plates and the reinforcing plates are matched with the left web plate (5) and the right web plate (31) to form a box-type bucket rod oil cylinder hinge seat (44);
the rear support sleeve (9), the left web (5), the upper cover plate I (20), the right web (31) and the lower cover plate (25) form a rear support (45).
2. The 170-degree bending arm according to claim 1, wherein a left reinforcing plate I (2) is welded on a left web plate (5) in the front support (41), an upper reinforcing plate II (35) is welded on an upper cover plate III (34), a right reinforcing plate IV (36) is welded on a right web plate (31), and a lower reinforcing plate III (40) is welded on a lower cover plate (25);
the left reinforcing plate I (2), the upper reinforcing plate II (35), the right reinforcing plate IV (36) and the lower reinforcing plate III (40) are matched to form a box body structure.
3. The 170 ° swing arm according to claim 1, characterized in that a reinforcing plate II (17) is welded to the arm body (42) where the lug plate sleeve I (3) is installed; a reinforcing plate I (16) is welded at the position where the ear plate sleeve II (7) is installed in the arm body (42); and a lower reinforcing plate II (26) is welded on the lower cover plate (25).
4. The 170 ° bending arm according to claim 1, wherein the ear plate sleeve i (3) comprises a left ear plate sleeve i, a right ear plate sleeve i;
a left ear plate II (15), a lower ear plate reinforcing plate IV (30) and a lower ear plate reinforcing plate I (27) are welded at the position of the left ear plate sleeve I, and the left ear plate sleeve I, the left ear plate II (15), the lower ear plate reinforcing plate IV (30), a left web plate (5) and the lower ear plate reinforcing plate I (27) form a left box-shaped movable arm oil cylinder hinge seat;
the welding of I department of right side otic placode sleeve has right otic placode II (14), lower otic placode reinforcing plate III (29), lower otic placode reinforcing plate II (28), right side otic placode sleeve I, right otic placode II (14), right web (31), lower otic placode reinforcing plate III (29), lower otic placode reinforcing plate II (28) constitute the articulated seat of right box swing arm hydro-cylinder.
5. A170 ° turning arm according to claim 4, characterized in that a left reinforcing plate II (4) is welded on the left web plate (5); and a right reinforcing plate III (32) is welded on the right web plate (31).
6. The 170 ° turning arm according to claim 1, wherein the ear plate sleeve ii (7) comprises a left ear plate sleeve ii, a right ear plate sleeve ii;
a left ear plate I (12), an upper ear plate reinforcing plate IV (21) and an upper ear plate reinforcing plate II (13) are welded at the position of the left ear plate sleeve II, and the left ear plate sleeve II, the left ear plate I (12), the upper ear plate reinforcing plate IV (21), a left web plate (5) and the upper ear plate reinforcing plate II (13) form a left box-type bucket rod oil cylinder hinge seat;
the welding of II departments of right side otic placode sleeve has right otic placode I (11), goes up otic placode reinforcing plate III (18), goes up otic placode reinforcing plate I (10), right otic placode sleeve II, right otic placode I (11), goes up otic placode reinforcing plate III (18), right web (31) and go up otic placode reinforcing plate I (10) and constitute the articulated seat of right box-type dipper handle hydro-cylinder.
7. A170 ° bending arm according to claim 6, wherein a left reinforcing plate III (6) is welded on the left web plate (5); and a right reinforcing plate II (23) is welded on the right web plate (31).
8. The 170-degree bending arm according to claim 1, wherein a left reinforcing plate IV (8) is welded on a left web plate (5) in the rear support (45), an upper reinforcing plate I (19) is welded on an upper cover plate I (20), a right reinforcing plate I (22) is welded on a right web plate (31), and a lower reinforcing plate I (24) is welded on a lower cover plate (25);
the left reinforcing plate IV (8), the upper reinforcing plate I (19), the right reinforcing plate I (22) and the lower reinforcing plate I (24) are matched to form a box body structure.
9. The 170 ° turning arm according to claim 8, characterized in that a pipe clamp frame (39) is welded on the upper reinforcing plate I (19).
10. A walking hydraulic excavator mounted with a 170 ° swing arm according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729787.3U CN210369089U (en) | 2019-05-21 | 2019-05-21 | 170-degree bending arm and walking type hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729787.3U CN210369089U (en) | 2019-05-21 | 2019-05-21 | 170-degree bending arm and walking type hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369089U true CN210369089U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729787.3U Active CN210369089U (en) | 2019-05-21 | 2019-05-21 | 170-degree bending arm and walking type hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369089U (en) |
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2019
- 2019-05-21 CN CN201920729787.3U patent/CN210369089U/en active Active
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