CN117125626A - 800t segmented windproof double-girder gantry crane - Google Patents
800t segmented windproof double-girder gantry crane Download PDFInfo
- Publication number
- CN117125626A CN117125626A CN202210544280.7A CN202210544280A CN117125626A CN 117125626 A CN117125626 A CN 117125626A CN 202210544280 A CN202210544280 A CN 202210544280A CN 117125626 A CN117125626 A CN 117125626A
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- China
- Prior art keywords
- fixed
- segmented
- gantry crane
- girder gantry
- plate
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/02—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/46—Position indicators for suspended loads or for crane elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an 800t sectional type windproof double-beam portal crane, which comprises a trolley running mechanism, wherein the trolley running mechanism comprises two main beams and a cross beam vertically arranged between the two parallel main beams, the trolley running mechanism is driven along the direction of the cross beam, the driving mode of the trolley running mechanism is well known to the technical field, the scheme does not need to be used as a pendant, the two ends of the bottom of the main beams are provided with multi-section type detachable supporting legs, the supporting legs comprise a plurality of detachable connecting pieces, and fixing plates symmetrically welded on one side of the connecting pieces and provided with through holes, the supporting legs are formed by fixing a plurality of connecting pieces through bolt and nut groups through the arranged detachable supporting legs, and the side supporting effect of the fixing plates is realized by placing the connecting piece at the lower part below after the connecting piece at the upper end is supported, one side of the connecting piece at the lowest end close to the fixing plate is provided with a jacking mechanism, the jacking mechanism and the fixing plates are detachably arranged, the main beams and the cross beam are fixedly provided with the fixing plates, and a plurality of fixing plates are all arranged on the same side.
Description
Technical Field
The invention relates to the field of double-beam gantry cranes, in particular to an 800t sectional windproof double-beam gantry crane.
Background
The portal crane has the advantages that the metal structure of the portal crane is a portal frame and consists of a main beam, a cross beam and supporting legs, the traditional main beam, the cross beam and the supporting legs are of a main body structure, so that the main beam, the cross beam and the supporting legs are heavy and long in overall mass, the requirement on a transport vehicle is high in the transportation process, the traditional installation mode is that the landing legs are lifted by large hoisting equipment and then fixed with a ground beam, and then the main beam and the cross beam are lifted above the supporting legs by a hoisting machine for fixed installation.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an 800t sectional type windproof double-beam portal crane, which has the advantages that through a sectional type supporting leg structure, the size of a single piece is reduced, the requirements on transportation and lifting after the weight is lightened are greatly reduced, a lifting mechanism is used as a main installation mode, and the lifting is used as an auxiliary installation mode; the requirements on the installation crane and the requirements on the installation site are greatly reduced, the assembly can be carried out in a smaller environment, and the assembly can be completed only by matching a smaller automobile crane with a jacking mechanism during hoisting.
In order to solve the technical problems, the invention provides the following technical scheme: 800t sectional type prevent wind double-beam gantry crane, including dolly running gear, including two girders, perpendicular crossbeam of installing between two parallel girders, dolly running gear drives along the direction of crossbeam, the supporting leg of multistage formula detachable is installed at the bottom both ends of girder, the supporting leg is including a plurality of dismantled and assembled connecting pieces, symmetry welding and installing the fixed plate that has the through-hole in connecting piece one side, and the lower extreme the connecting piece is close to one side of fixed plate and sets up climbing mechanism, climbing mechanism and the detachable installation of fixed plate, girder, crossbeam all fixed mounting have the fixed plate, a plurality of the fixed plate is all arranged in the homonymy.
As a preferable technical scheme of the invention, one end of each two connecting pieces, which is close to each other, is fixedly provided with a connecting plate which is outwards protruded and provided with a plurality of mounting holes.
As a preferable technical scheme of the invention, the lug plate is fixedly arranged on one side of the connecting piece far away from the fixed plate.
As a preferable technical scheme of the invention, two middle connecting pieces are fixedly provided with fixing lugs on one side close to each other, and a detachable reinforcing rod is fixedly arranged between the two fixing lugs.
As a preferable technical scheme of the invention, the jacking mechanism comprises a jack, a fixed block is fixedly arranged at the top end of a plunger of the jack, the fixed block is arranged between two fixed plates, a pin hole corresponding to a through hole is formed in the fixed block, and a bolt is inserted into the pin hole and the through hole.
As a preferable technical scheme of the invention, a position encoder is arranged on a gear of the pinion-and-rack mechanism of the trolley running mechanism.
As a preferable technical scheme of the invention, the fixing plate is provided with at least two through holes.
As a preferable technical scheme of the invention, the jack is an electric hydraulic jack.
Compared with the prior art, the invention has the following beneficial effects:
1. the size of the single piece becomes smaller, and the requirements on transportation and hoisting are greatly reduced after the weight is reduced.
2. The lifting mechanism is changed into a main installation mode, and the lifting is carried out into an auxiliary installation mode; the requirements for installing the crane and the requirements for the installation site are greatly reduced, and the assembly can be carried out in a smaller environment.
3. The position encoder is arranged on the gear of the gear rack mechanism of the trolley running mechanism, so that the position of the trolley on the cross beam can be accurately positioned.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;
FIG. 4 is a schematic diagram of an exploded construction of the present invention;
FIG. 5 is a schematic view of a jack-up mechanism according to the present invention;
fig. 6 is a schematic structural view of a connector according to the present invention.
Wherein:
1. a main beam;
2. a cross beam;
3. support legs; 31. a connecting piece; 311. a connecting plate; 312. a mounting hole; 32. a fixing plate; 33. ear plates; 34. a fixed ear; 35. a reinforcing rod;
4. a trolley running mechanism;
5. a jacking mechanism; 51. a jack; 52. a fixed block; 521. a pin hole; 53. a bolt.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-6, the invention provides an 800t sectional type wind-proof double-beam portal crane, which comprises a trolley running mechanism 4, and comprises two main beams 1 and a cross beam 2 vertically arranged between the two parallel main beams 1, wherein the main beams 1 and the cross beam 2 adopt a conventional fixing mode, the scheme is not repeated, the trolley running mechanism 4 is driven along the direction of the cross beam 2, the driving mode of the trolley running mechanism 4 is well known to the technical field, the scheme does not need to be used as a pendant, the two ends of the bottom of the main beam 1 are provided with multi-section type detachable supporting legs 3, the supporting legs 3 comprise a plurality of detachable connecting pieces 31, a fixing plate 32 symmetrically welded at one side of the connecting pieces 31 and provided with through holes, the supporting legs 3 are formed by fixing a plurality of connecting pieces 31 through bolt and nut groups through the side supporting function of the fixing plate 32, after the connecting piece 31 at the upper end is propped up, the connecting piece 31 at the lower part is placed under and fixed, the lifting mechanism 5 is arranged at one side of the connecting piece 31 at the lowest part, which is close to the fixed plate 32, the lifting mechanism 5 is detachably arranged with the fixed plate 32, the fixed plates 32 are fixedly arranged on the main beam 1 and the cross beam 2, a plurality of the fixed plates 32 are arranged at the same side, the lifting end of the lifting mechanism 5 is fixedly arranged with the fixed plates 32 at the two sides of the cross beam 2 and then is propped up, the main beam 1 is arranged under the cross beam 2 and then is supported by the bottom of the main beam 1, the lifting mechanism 5 is detached and is fixed with the fixed plate 32 of the main beam 1, the first connecting piece 31 is fixedly arranged under the main beam 1, then the lifting mechanism 5 is detached from the main beam 1, and the lifting end of the lifting mechanism 5 is lifted up after being fixed with the fixed plate 32 of the first connecting piece 31, then place the second festival connecting piece 31 in the below of first festival connecting piece 31 for after two connecting pieces 31 pass through the bolt nut subassembly fixed, then behind second festival connecting piece 31 and the ground support, then dismantle climbing mechanism 5 from the fixed plate 32 department of first festival connecting piece 31, then in the fixed plate 32 department at second festival connecting piece 31, fix the third festival connecting piece 31 in the below of second festival connecting piece 31, repeat above-mentioned action, can realize under less environment, need not the higher lifting device of regulation.
Preferably, each of the two connecting members 31 has a connecting plate 311 fixedly mounted at one end thereof adjacent to each other and protruding outward and having a plurality of mounting holes 312. As shown in fig. 6, when two connecting members 31 are close to each other, the two connecting members 31 are fixedly mounted and integrally assembled by penetrating the mounting holes 312 through the bolt and nut combination, through the connecting plates 311 welded at the two ends of the connecting members 31.
Preferably, the ear plate 33 is fixedly mounted on the side of the connecting member 31 remote from the fixing plate 32. As shown in fig. 6, the attachment member 31 is provided with a tab 33 welded to a side thereof remote from the fixing plate 32 for enhancing structural stability.
Preferably, the two middle connecting pieces 31 are fixedly provided with fixing lugs 34 at the side close to each other, and a detachable reinforcing rod 35 is fixedly arranged between the two fixing lugs 34. As shown in fig. 2, a fixing lug 34 is welded and fixed on one side, close to the two middle connecting pieces 31, of each middle connecting piece, a reinforcing rod 35 is installed between the two fixing lugs 34, clamping plates are arranged at two ends of each reinforcing rod 35, the fixing lugs 34 are arranged between the clamping plates and are fixed through inserted bars, strength between the two supporting legs 3 is improved, and overall stability is improved.
Preferably, the lifting mechanism 5 includes a jack 51, a fixed block 52 is fixedly mounted at the top end of a plunger of the jack 51, the fixed block 52 is disposed between the two fixed plates 32, a pin hole 521 corresponding to the through hole is formed, and a plug 53 is inserted into the pin hole 521 and the through hole. The fixing plate 32 is provided with at least two through holes. The jack 51 is an electric jack. As shown in fig. 3, the fixing block 52 is fixedly mounted at the top end of the plunger of the jack 51, the fixing block 52 is placed between the two fixing plates 32 and then can be inserted into the corresponding through holes and the corresponding pin holes 521 through the pins 53, the fixing block 52 and the fixing plates 32 are fixed, the two through holes are formed to improve the overall fixing strength and stability, and the jack 51 with an electric structure can synchronously support the four jacks 51, so that the toppling caused by uneven adjustment height after a certain manual adjustment of the jack 51 is prevented.
Preferably, the pinion of the pinion-and-rack mechanism of the trolley operating mechanism 4 is provided with a position encoder. The position of the trolley on the cross beam 2 can be precisely located.
When the invention is used, the fixed block 52 of the jack 51 is arranged between the two fixed plates 32 of the cross beam 2 and inserted into the corresponding through holes and the pin holes 521 through the bolts 53, the fixed block 52 and the fixed plates 32 are fixed, the fixed block is supported, then the main beam 1 is arranged below the cross beam 2 and fixed through the bolt and nut group, the jack 51 slowly descends, the lower part of the main beam 1 is contacted with the ground, the ground supports the bottom of the main beam 1, the fixed block 52 is detached from the fixed plates 32 of the cross beam 2 and fixed and supported by the fixed plates 32 of the main beam 1, the first section connecting piece 31 is fixedly installed below the main beam 1, then the fixed block 52 is detached from the main beam 1, the fixed block 52 is lifted after being fixed with the fixed plate 32 of the first section of connecting piece 31, then the second section of connecting piece 31 is placed below the first section of connecting piece 31, after the two connecting pieces 31 are fixed through the bolt and nut assembly, then the second section of connecting piece 31 is supported with the ground, then the jack 51 and the fixed block 52 are detached from the fixed plate 32 of the first section of connecting piece 31, then the third section of connecting piece 31 is fixed below the second section of connecting piece 31 at the fixed plate 32 of the second section of connecting piece 31, the above actions are repeated, the whole hoisting can be realized without higher hoisting equipment in a smaller environment, and the whole machine is reversely carried out according to the installation steps when the whole machine is detached.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210544280.7A CN117125626A (en) | 2022-05-18 | 2022-05-18 | 800t segmented windproof double-girder gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210544280.7A CN117125626A (en) | 2022-05-18 | 2022-05-18 | 800t segmented windproof double-girder gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117125626A true CN117125626A (en) | 2023-11-28 |
Family
ID=88851315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210544280.7A Pending CN117125626A (en) | 2022-05-18 | 2022-05-18 | 800t segmented windproof double-girder gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117125626A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675386A (en) * | 1979-11-24 | 1981-06-22 | Saneigumi Kk | Bridge type crane for heavy weight substance |
| RU2097305C1 (en) * | 1993-04-09 | 1997-11-27 | Центральное Конструкторское Бюро Тяжелого Машиностроения | Mobile reloading facility |
| CN1749149A (en) * | 2005-08-03 | 2006-03-22 | 上海永致机电设备有限公司 | Jacking type large gantry crane |
| CN2839224Y (en) * | 2005-08-03 | 2006-11-22 | 上海永致机电设备有限公司 | Lifting large gantry cane |
| CN111675112A (en) * | 2020-06-22 | 2020-09-18 | 中铁工程机械研究设计院有限公司 | A height-adjustable bridge pier hoisting machine, construction method and overpass method |
| CN214780356U (en) * | 2021-05-06 | 2021-11-19 | 河南双力桥梁机械集团有限公司 | Easy-to-load and unload gantry crane |
-
2022
- 2022-05-18 CN CN202210544280.7A patent/CN117125626A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675386A (en) * | 1979-11-24 | 1981-06-22 | Saneigumi Kk | Bridge type crane for heavy weight substance |
| RU2097305C1 (en) * | 1993-04-09 | 1997-11-27 | Центральное Конструкторское Бюро Тяжелого Машиностроения | Mobile reloading facility |
| CN1749149A (en) * | 2005-08-03 | 2006-03-22 | 上海永致机电设备有限公司 | Jacking type large gantry crane |
| CN2839224Y (en) * | 2005-08-03 | 2006-11-22 | 上海永致机电设备有限公司 | Lifting large gantry cane |
| CN111675112A (en) * | 2020-06-22 | 2020-09-18 | 中铁工程机械研究设计院有限公司 | A height-adjustable bridge pier hoisting machine, construction method and overpass method |
| CN214780356U (en) * | 2021-05-06 | 2021-11-19 | 河南双力桥梁机械集团有限公司 | Easy-to-load and unload gantry crane |
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