CN213625758U - Novel reinforcing structure of movable arm of energy-saving hydraulic excavator - Google Patents
Novel reinforcing structure of movable arm of energy-saving hydraulic excavator Download PDFInfo
- Publication number
- CN213625758U CN213625758U CN202022571780.9U CN202022571780U CN213625758U CN 213625758 U CN213625758 U CN 213625758U CN 202022571780 U CN202022571780 U CN 202022571780U CN 213625758 U CN213625758 U CN 213625758U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- plate
- movable arm
- lower cover
- side plate
- 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.)
- Active
Links
Images
Landscapes
- Shovels (AREA)
Abstract
The utility model discloses a novel reinforcing structure of a movable arm of an energy-saving hydraulic excavator, which comprises a reinforcing structure body, wherein the reinforcing structure body comprises a left side plate, a right side plate, an upper cover plate, a lower cover plate, a movable arm oil cylinder support and a reinforcing plate, the upper cover plate and the lower cover plate comprise an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the left side plate and the right side plate, the reinforcing plate is welded on the lower cover plate, the movable arm oil cylinder support is arranged on an integrated frame type sealing structure consisting of the left side plate, the right side, has very strong bearing capacity and small elastic deformation when working under special severe working conditions, the stress concentration of the movable arm of the excavator after being subjected to large impact load can be prevented, the rigidity of the whole structure is high, the structure can be prevented from fatigue cracking, and the requirements of various working conditions are met.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically is a new-type additional strengthening of energy-conserving hydraulic shovel swing arm.
Background
The working device of the energy-saving hydraulic excavator is composed of a movable arm, an arm, a bucket, an oil cylinder and a group of link mechanisms, wherein the movable arm is subjected to huge external load when working, and different stresses and deformations can be generated according to different working conditions. Therefore, the quality of the boom structure performance has a great effect on the operation reliability and safety of the excavator. Energy-conserving excavator in the middle of whole operation process, the change of three hydro-cylinders of group has a lot of operating mode to appear, and the most typical has three kinds: the maximum digging radius, the deepest digging position and the maximum acting force arm position. The load size, stress point and stress degree that the energy-saving excavator movable arm of different operating mode states bore are all different, and the position of stress concentration, dangerous interface are also all inequality.
However, most of the structural modes of the movable arm of the energy-saving hydraulic excavator in the current market are hollow frame type, the structural strength design is not ideal enough, the anti-fatigue strength is small, the elastic deformation is large, the integral rigidity is not enough, and the use requirements of some special working conditions can not be met.
To above-mentioned problem, for improve equipment's bearing capacity and bending resistance, increase the working property of equipment, make it satisfy various operating mode application demands, the utility model provides a new-type additional strengthening of energy-conserving hydraulic shovel swing arm.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new-type additional strengthening of energy-conserving hydraulic shovel swing arm has that bearing capacity is strong, bending resistance dynamic height and applicable wide range's advantage, has solved the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a new-type additional strengthening of energy-conserving hydraulic shovel swing arm, includes the additional strengthening body, the additional strengthening body is including controlling curb plate, upper and lower apron, swing arm hydro-cylinder support and reinforcing plate, and upper and lower apron includes upper cover plate and lower apron, and upper cover plate and lower apron set up respectively at the upper and lower both ends of controlling the curb plate, and the welding has the reinforcing plate on the lower apron. The left side plate, the right side plate, the upper cover plate and the lower cover plate are of an integrated frame type closed structure.
Furthermore, the left side plate, the right side plate, the upper cover plate and the lower cover plate are of an integrated frame type closed structure.
Furthermore, a movable arm oil cylinder support is arranged on an integrated frame type closed structure consisting of the left side plate, the right side plate, the upper cover plate and the lower cover plate.
Furthermore, the reinforcing plates are provided with two groups, and the two groups of reinforcing plates are symmetrically distributed around the center line of the upper cover plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a new-type additional strengthening of energy-conserving hydraulic shovel swing arm, reinforcing plate and lower apron welding can strengthen frame-type enclosed construction.
2. The utility model provides a reinforcing structure of new-type energy-conserving hydraulic shovel swing arm has very strong bearing capacity at special abominable operating mode during operation, has less elastic deformation, can prevent that the excavator swing arm from receiving the stress concentration after assaulting the heavy load, and overall structure's rigidity is big, can avoid the structure to produce fatigue fracture, adapts to various operating mode demands.
Drawings
FIG. 1 is a schematic structural diagram of a movable arm of the novel energy-saving hydraulic excavator of the present invention;
fig. 2 is an X-direction view of fig. 1 according to the present invention;
FIG. 3 is a cross-sectional view taken along line C-C of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 1 in accordance with the present invention;
fig. 5 is a view of the present invention from W in fig. 1;
fig. 6 is a schematic diagram of the structure of the reinforcing plate of the present invention.
In the figure: 1. a left side plate and a right side plate; 2. upper and lower cover plates; 3. a movable arm oil cylinder support; 4. a reinforcing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, a new energy-saving hydraulic excavator boom reinforcement structure comprises a reinforcement structure body, the reinforcement structure body comprises a left side plate 1, a right side plate 1, an upper cover plate 2, a lower cover plate 2, a boom cylinder support 3 and a reinforcement plate 4, the upper cover plate 2 and the lower cover plate 2 comprise an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the left side plate 1 and the right side plate 1, the reinforcement plate 4 is welded on the lower cover plate, the reinforcement plate 4 is provided with two groups, the two groups of reinforcement plates 4 are symmetrically distributed about the center line of the upper cover plate, the reinforcement plate 4 is welded with the lower cover plate, a frame type closed structure can be reinforced, the boom cylinder support 3 is arranged on the integrated frame type closed structure formed by the left side plate 1 and the right cover plate 2, the new energy-, the stress concentration of the movable arm of the excavator after being subjected to large impact load can be prevented, the rigidity of the whole structure is high, the structure can be prevented from fatigue cracking, and the requirements of various working conditions are met.
In summary, the following steps: the utility model provides a new-type additional strengthening of energy-conserving hydraulic shovel swing arm, including the additional strengthening body, reinforcing plate 4 and lower lap welding can strengthen frame-type enclosed construction, have very strong bearing capacity at special abominable operating mode during operation, have less elastic deformation, can prevent that the excavator swing arm from receiving the stress concentration after assaulting the heavy load, and overall structure's rigidity is big, can avoid the structure to produce fatigue fracture, adapts to various operating mode demands.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides a new-type energy-conserving hydraulic shovel swing arm's additional strengthening, includes additional strengthening body, its characterized in that: the reinforcing structure body comprises a left side plate, a right side plate (1), an upper cover plate, a lower cover plate (2), a movable arm oil cylinder support (3) and a reinforcing plate (4), wherein the upper cover plate and the lower cover plate (2) comprise an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the left side plate and the right side plate (1), and the reinforcing plate (4) is welded on the lower cover plate.
2. The new energy-saving reinforcing structure for the movable arm of the hydraulic excavator as claimed in claim 1, wherein: the left side plate, the right side plate (1), the upper cover plate and the lower cover plate (2) are of an integrated frame type closed structure.
3. The new energy-saving reinforcing structure for the movable arm of the hydraulic excavator as claimed in claim 1, wherein: and a movable arm oil cylinder support (3) is arranged on an integrated frame type closed structure consisting of the left side plate, the right side plate (1) and the upper cover plate and the lower cover plate (2).
4. The new energy-saving reinforcing structure for the movable arm of the hydraulic excavator as claimed in claim 1, wherein: the reinforcing plates (4) are arranged in two groups, and the reinforcing plates (4) in the two groups are symmetrically distributed around the center line of the upper cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571780.9U CN213625758U (en) | 2020-11-09 | 2020-11-09 | Novel reinforcing structure of movable arm of energy-saving hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571780.9U CN213625758U (en) | 2020-11-09 | 2020-11-09 | Novel reinforcing structure of movable arm of energy-saving hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213625758U true CN213625758U (en) | 2021-07-06 |
Family
ID=76631501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022571780.9U Active CN213625758U (en) | 2020-11-09 | 2020-11-09 | Novel reinforcing structure of movable arm of energy-saving hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213625758U (en) |
-
2020
- 2020-11-09 CN CN202022571780.9U patent/CN213625758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1604597A (en) | Hydraulic excavator | |
| CN213625758U (en) | Novel reinforcing structure of movable arm of energy-saving hydraulic excavator | |
| CN201843153U (en) | Loader and working mechanism thereof | |
| CN2712865Y (en) | Operating apparatus for loading machine | |
| CN205312931U (en) | Modular cantilever crane and hoisting equipment | |
| CN201873983U (en) | Dynamic compactor with propeller strut following up amplitude variation of arm support | |
| CN110173011B (en) | Equal-strength face shovel movable arm of excavator and excavator using same | |
| CN206143950U (en) | Vertical truss and building steel structure assembly | |
| CN208792389U (en) | A kind of excavator swing arm | |
| CN203373730U (en) | Dynamic-compactor boom and dynamic compactor | |
| CN219672959U (en) | Hydraulic system of working device of excavator and excavator | |
| CN217102826U (en) | Boom head, boom and working machine | |
| CN108824513A (en) | A kind of excavator swing arm | |
| CN218622386U (en) | Energy-saving structure of engineering machinery operation part | |
| CN218261694U (en) | Arm head structure, arm support and operation machine | |
| CN210658488U (en) | Engineering machine tool movable arm front axle positioner | |
| CN111042236A (en) | Face shovel excavating and loading device capable of improving bucket stroke and bearing capacity | |
| CN113605473B (en) | Loader working device for enhancing overturning force of bucket | |
| CN210013256U (en) | Heavy-duty excavator movable arm | |
| CN212687488U (en) | Fork for loader and loader | |
| CN217419775U (en) | Tunnel excavator working device and excavator | |
| CN215361536U (en) | Front frame of loader | |
| CN209872270U (en) | Basic arm and telescopic arm | |
| CN213254596U (en) | Tunnel crushing arm and tunnel crushing equipment | |
| CN110173010B (en) | Multi-box back-shovel excavator bucket rod and excavator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |