CN114249260A - Festival arm barrel and jib loading boom - Google Patents
Festival arm barrel and jib loading boom Download PDFInfo
- Publication number
- CN114249260A CN114249260A CN202111338220.1A CN202111338220A CN114249260A CN 114249260 A CN114249260 A CN 114249260A CN 202111338220 A CN202111338220 A CN 202111338220A CN 114249260 A CN114249260 A CN 114249260A
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- CN
- China
- Prior art keywords
- cover plate
- plate assembly
- upper cover
- boom
- lower cover
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an arm-saving cylinder and a crane boom, belonging to the technical field of crane structures, wherein the arm-saving cylinder comprises an upper cover plate component and a lower cover plate component which are spliced into the arm-saving cylinder; the upper cover plate assembly and/or the lower cover plate assembly are/is a splice plate, and the longitudinal section of the lower cover plate assembly is arc-shaped or elliptic arc-shaped; the crane boom comprises the boom saving barrel, a telescopic oil cylinder and a plurality of groups of sliding devices, wherein the telescopic oil cylinder is arranged inside the boom saving barrel, the sliding devices are arranged on the outer surface of the boom saving barrel, the boom saving barrel is provided with a plurality of groups, the number of the sliding devices is matched with that of the boom saving barrel, the plurality of groups of boom saving barrels are sleeved together, and the telescopic oil cylinder and the sliding devices are matched to realize the telescopic action of the crane boom; under limited steel plate width, can buckle and splice out the higher festival arm barrel of cross-section height width, realize the super large cross-sectional design of jib loading boom, show the lifting performance, manufacturing cost reduces.
Description
Technical Field
The invention relates to an arm-saving barrel and a crane arm, and belongs to the technical field of crane structures.
Background
The main working part of the mobile crane is a crane boom, the telescopic crane boom is sleeved together by a plurality of sections of arms, and when the mobile crane works, the inner arm extends to a specified length relative to the outer arm; in order to obtain higher lifting performance, domestic cranes develop towards ultra-large type, and various sections of the suspension arms appear, but measures with more obvious effects still obtain better bending resistance by enlarging the section size.
The ultra-large type suspension arm cylinder is generally formed by bending a steel plate, the section size is increased to a certain degree, the width of the required steel plate is correspondingly increased, and when the width is increased to more than 3m or more, the transportation and rolling of the steel plate become restrictions.
Disclosure of Invention
The invention aims to provide a sectional arm cylinder and a crane boom, which can be bent and spliced into a sectional arm cylinder with a larger height and width under the limited width of a steel plate, realize the design of an oversized section of the crane boom, obviously improve the performance and reduce the production cost.
In order to realize the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides a knuckle arm cylinder, which comprises an upper cover plate assembly and a lower cover plate assembly, wherein the upper cover plate assembly and the lower cover plate assembly are spliced into the knuckle arm cylinder; the upper cover plate assembly and/or the lower cover plate assembly are splicing plates.
With reference to the first aspect, further, the upper cover plate assembly is a whole plate, and the lower cover plate assembly is a splice plate.
With reference to the first aspect, further, the upper cover plate assembly is a splice plate, and the lower cover plate assembly is a whole plate.
Combine the first aspect, it is further, still include the curb plate, the curb plate is equipped with two sets ofly, connects upper cover plate subassembly and lower apron subassembly respectively in the left and right sides, be equipped with the reinforcing plate on the curb plate, the cooperation curb plate promotes the intensity of festival arm barrel.
With reference to the first aspect, further, the lower cover plate assembly has a circular arc-shaped longitudinal section.
Combine the first aspect, it is further that upper cover plate subassembly and/or lower apron subassembly are equipped with the multiunit, and the concatenation around the multiunit upper cover plate subassembly, and the concatenation is lapped the subassembly around the multiunit down, and upper cover plate subassembly and lap the subassembly down and splice and form the festival arm barrel, apron longitudinal section contains arc or elliptical arc down.
With reference to the first aspect, further, the upper cover plate assembly includes a left upper cover plate and a right upper cover plate, and the left upper cover plate and the right upper cover plate are spliced to form the upper cover plate assembly.
With reference to the first aspect, further, the lower cover plate assembly comprises a left lower cover plate and a right lower cover plate, and the left lower cover plate and the right lower cover plate are spliced into the lower cover plate assembly.
With reference to the first aspect, further, the included angle between the upper edge and the side edge of the upper cover plate assembly is 90-105 degrees, and the upper edge and the side edge are connected through an arc.
In combination with the first aspect, further, a reinforcing plate is arranged on the upper cover plate assembly and is matched with the upper cover plate assembly to improve the strength of the knuckle arm cylinder.
In a second aspect, the invention further provides a crane boom, which comprises the boom saving cylinder body, a telescopic oil cylinder and a plurality of groups of sliding devices, wherein the telescopic oil cylinder is arranged in the boom saving cylinder body, the sliding devices are arranged on the outer surface of the boom saving cylinder body, the plurality of groups of boom saving cylinder bodies are arranged, the number of the sliding devices is matched with that of the boom saving cylinder body, the plurality of groups of boom saving cylinder bodies are sleeved together, and the telescopic oil cylinder and the sliding devices are matched to realize the telescopic action of the crane boom.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a knuckle boom cylinder and a crane boom, which comprise an upper cover plate assembly and a lower cover plate assembly, wherein the upper cover plate assembly and the lower cover plate assembly are spliced to form the knuckle boom cylinder; the upper cover plate assembly and/or the lower cover plate assembly are/is arranged to be the splicing plates, so that the knuckle arm cylinder with a larger section height and width can be bent and spliced under the limited steel plate width; the lower cover plate assembly is arranged to be arc-shaped or elliptic arc-shaped in longitudinal section, so that the occupied expansion length is smaller under the same plate width, and the knuckle arm cylinder body with a larger section height and width size can be bent and spliced under the limited steel plate width; in conclusion, the design of the super-large section boom barrel body is realized, the crane boom comprises a plurality of sets of boom barrel bodies and a telescopic oil cylinder, the plurality of sets of boom barrel bodies are sleeved together and matched with the telescopic oil cylinder to realize the telescopic effect of the crane boom, the super-large section design of the crane boom is finally realized, the performance is obviously improved, and meanwhile, a steel plate with a conventional size is adopted as a raw material, so that the production cost is reduced;
the included angle between the upper edge and the side edge of the upper cover plate assembly is 90-105 degrees, the upper edge and the side edge are connected in a circular arc mode, and the design can keep the stress of each section of the joint arm cylinder uniform when the joint arm cylinder bears;
the reinforcing plate is arranged on the non-arc section of the knuckle arm cylinder body, so that the strength and the local buckling resistance of the knuckle arm cylinder body are improved.
Drawings
FIG. 1 is one of the block diagrams of a joint arm cylinder provided in an embodiment of the present invention;
FIG. 2 is a second block diagram of the arm cylinder according to the embodiment of the present invention;
FIG. 3 is a third block diagram of the arm barrel according to the embodiment of the present invention;
FIG. 4 is a fourth illustration of the structure of the joint arm cylinder provided in the embodiment of the present invention;
fig. 5 is a fifth structural view of the joint arm cylinder according to the embodiment of the present invention.
In the figure: 7. an upper cover plate assembly; 7-1, a left upper cover plate; 7-2, a right upper cover plate; 8. a lower cover plate assembly; 8-1, a left lower cover plate; 8-2, a right lower cover plate; 10. a side plate; 11. a reinforcing plate.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example one
The knuckle arm cylinder provided by the embodiment of the invention comprises an upper cover plate assembly 7 and a lower cover plate assembly 8, wherein the upper cover plate assembly 7 and the lower cover plate assembly 8 are vertically spliced into the knuckle arm cylinder.
As shown in FIG. 1, the upper cover plate assembly 7 comprises a left upper cover plate 7-1 and a right upper cover plate 7-2, the left upper cover plate 7-1 and the right upper cover plate 7-2 are arranged in bilateral symmetry and spliced to form the upper cover plate assembly 7; the lower cover plate assembly 8 is a whole plate, and the left upper cover plate 7-1 and the right upper cover plate 7-2 are spliced into the upper cover plate assembly 7 and then spliced with the lower cover plate assembly 8 to finally form the knuckle arm cylinder.
The included angle between the upper edge and the side edge of the upper cover plate component 7 is 90-105 degrees, and the upper edge and the side edge are in arc transition connection, so that the stress of each section of the joint arm cylinder body can be kept uniform when the joint arm cylinder body bears.
As shown in FIG. 5, a plurality of groups of reinforcing plates 11 are arranged on the upper cover plate assembly 7, and the strength and the local buckling resistance of the knuckle arm cylinder are improved by matching the upper cover plate assembly 7.
Under the condition of limited steel plate width, the height and the width of the cross section of the knuckle arm cylinder are obviously increased, the longitudinal section of the lower cover plate assembly 8 is arc-shaped or elliptic arc-shaped, the unfolding length of the arc-shaped lower cover plate assembly 8 is smaller, and the knuckle arm cylinder with larger cross section size can be spliced.
Example two
The knuckle arm cylinder provided by the embodiment of the invention comprises an upper cover plate assembly 7 and a lower cover plate assembly 8, wherein the upper cover plate assembly 7 and the lower cover plate assembly 8 are indirectly spliced into the knuckle arm cylinder.
As shown in fig. 2, two sets of side plates 10 are disposed between the upper cover plate assembly 7 and the lower cover plate assembly 8, and the side plates 10 are respectively connected to the upper cover plate assembly 7 and the lower cover plate assembly 8 at left and right sides, and finally spliced into a joint arm cylinder.
The included angle between the upper edge and the side edge of the upper cover plate component 7 is 90-105 degrees, and the upper edge and the side edge are in arc transition connection, so that the stress of each section of the joint arm cylinder body can be kept uniform when the joint arm cylinder body bears.
As shown in fig. 5, a plurality of groups of reinforcing plates 11 are arranged on the side plate 10, and the matching side plate 10 improves the strength and the local buckling resistance of the knuckle arm cylinder.
The section of the knuckle arm cylinder body is composed of the section of the upper cover plate assembly 7, the section of the lower cover plate assembly 8 and the section of the side plate 10, the two side plates 10 increase the section size of the knuckle arm cylinder body on the basis that the upper cover plate assembly 7 and the lower cover plate assembly 8 use the upper limit of the width of a steel plate, and the side plates 10 are flat plates or bent plates.
EXAMPLE III
The knuckle arm cylinder provided by the embodiment of the invention comprises an upper cover plate assembly 7 and a lower cover plate assembly 8, wherein the upper cover plate assembly 7 and the lower cover plate assembly 8 are vertically spliced into the knuckle arm cylinder.
As shown in fig. 3, the lower cover plate assembly 8 comprises a left lower cover plate 8-1 and a right lower cover plate 8-2, the left lower cover plate 8-1 and the right lower cover plate 8-2 are arranged in bilateral symmetry and spliced to form the lower cover plate assembly 8; the upper cover plate assembly 7 is a whole plate, and the left lower cover plate 8-1 and the right lower cover plate 8-2 are spliced into the lower cover plate assembly 8 and then spliced with the upper cover plate assembly 7 to finally form the knuckle arm cylinder.
Under the condition of limited steel plate width, the height and the width of the cross section of the knuckle arm cylinder are obviously increased, the longitudinal section of the lower cover plate assembly 8 is arc-shaped or elliptic arc-shaped, the unfolding length of the arc-shaped lower cover plate assembly 8 is smaller, and the knuckle arm cylinder with larger cross section size can be spliced.
Example four
The knuckle arm cylinder provided by the embodiment of the invention comprises an upper cover plate assembly 7 and a lower cover plate assembly 8, wherein the upper cover plate assembly 7 and the lower cover plate assembly 8 are vertically spliced into the knuckle arm cylinder.
As shown in fig. 4, two sets of the upper cover plate assemblies 7 are provided, two sets of the lower cover plate assemblies 8 are also provided, the two sets of the upper cover plate assemblies 7 are spliced into a whole, the two sets of the lower cover plate assemblies 8 are spliced into a whole, and the two whole bodies are spliced to finally form the knuckle arm cylinder.
In the embodiment, the sectional design is selected in the length direction of the knuckle arm cylinder, the first group of upper cover plate assemblies 7 are whole plates, and the second group of upper cover plate assemblies 7 are splicing plates and comprise a left upper cover plate 7-1 and a right upper cover plate 7-2; the two groups of lower cover plate assemblies 8 are all whole plates; through the sectional design, the larger arm length can be realized under the limited condition of the bending equipment capacity (the limitation of the maximum bending length of the bending machine), the design of different plate thicknesses or materials at the front end and the rear end can also be realized, and the aim of light weight is fulfilled.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The joint arm cylinder is characterized by comprising an upper cover plate assembly and a lower cover plate assembly, wherein the upper cover plate assembly and the lower cover plate assembly are spliced into the joint arm cylinder; the upper cover plate assembly and/or the lower cover plate assembly are splicing plates.
2. A jointed arm cylinder according to claim 1, in which the upper cover plate assembly is a full plate and the lower cover plate assembly is a splice plate.
3. A jointed arm cylinder according to claim 1, in which the upper cover plate assembly is a splice plate and the lower cover plate assembly is a full plate.
4. The knuckle arm cylinder according to claim 1, further comprising two sets of side plates, wherein the two sets of side plates are respectively connected with the upper cover plate assembly and the lower cover plate assembly at left and right sides, and the side plates are provided with reinforcing plates to improve the strength of the knuckle arm cylinder.
5. The knuckle arm cylinder according to claim 1, wherein the upper cover plate assembly and/or the lower cover plate assembly are/is provided with a plurality of groups, the upper cover plate assemblies are spliced front and back, the lower cover plate assemblies are spliced front and back, the upper cover plate assembly and the lower cover plate assembly are spliced to form the knuckle arm cylinder, and the longitudinal section of the lower cover plate comprises a circular arc shape or an elliptic arc shape.
6. The jointed arm cylinder of claim 1, wherein the upper cover plate assembly comprises a left upper cover plate and a right upper cover plate, and the left upper cover plate and the right upper cover plate are spliced to form the upper cover plate assembly.
7. The jointed arm cylinder of claim 1, wherein the lower cover plate assembly comprises a left lower cover plate and a right lower cover plate, and the left lower cover plate and the right lower cover plate are spliced to form the lower cover plate assembly.
8. A jointed arm barrel as claimed in claim 1, in which the upper edge and the side edge of the upper cover plate assembly are at an angle of 90-105 ° and are connected by an arc.
9. The knuckle arm cylinder according to claim 1, wherein the upper cover plate assembly is provided with a reinforcing plate, and the reinforcing plate is matched with the upper cover plate assembly to improve the strength of the knuckle arm cylinder.
10. A cargo boom, comprising the boom saving barrel body as claimed in any one of claims 1 to 9, further comprising a telescopic oil cylinder and a plurality of sets of sliding devices, wherein the telescopic oil cylinder is arranged inside the boom saving barrel body, the sliding devices are arranged on the outer surface of the boom saving barrel body, the plurality of sets of boom saving barrel bodies are arranged, the number of the sliding devices is matched with that of the boom saving barrel body, the plurality of sets of boom saving barrel bodies are sleeved together, and the telescopic oil cylinder and the sliding devices are matched to realize the telescopic movement of the cargo boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338220.1A CN114249260A (en) | 2021-11-12 | 2021-11-12 | Festival arm barrel and jib loading boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338220.1A CN114249260A (en) | 2021-11-12 | 2021-11-12 | Festival arm barrel and jib loading boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114249260A true CN114249260A (en) | 2022-03-29 |
Family
ID=80792479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111338220.1A Pending CN114249260A (en) | 2021-11-12 | 2021-11-12 | Festival arm barrel and jib loading boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114249260A (en) |
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2021
- 2021-11-12 CN CN202111338220.1A patent/CN114249260A/en active Pending
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