CN113371606A - Double-lifting container crane and working method thereof - Google Patents
Double-lifting container crane and working method thereof Download PDFInfo
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- CN113371606A CN113371606A CN202110821555.2A CN202110821555A CN113371606A CN 113371606 A CN113371606 A CN 113371606A CN 202110821555 A CN202110821555 A CN 202110821555A CN 113371606 A CN113371606 A CN 113371606A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000004873 anchoring Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
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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
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
- B66C17/20—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for hoisting or lowering heavy load carriers, e.g. freight containers, railway wagons
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a double-lifting container crane and a working method thereof, and relates to the technical field of cranes. According to the invention, the distance between the two groups of trolleys is conveniently adjusted by driving the air cylinder, so that the two groups of trolleys can adapt to articles with different sizes, the stability of lifting the articles can be improved, and meanwhile, the locking frame is arranged between the two groups of hooks, so that the stability between the two groups of hooks can be maintained during movement, and the two groups of hooks can adapt to hooks with different lengths.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a double-lifting type container crane and a working method thereof.
Background
The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, the space below the bridge frame can be fully utilized to hoist materials, the bridge frame is not obstructed by ground equipment and is one of the hoisting machines with the widest application range and the largest quantity, and the hoisting members of the existing bridge crane mostly adopt single members.
Through search, the chinese patent discloses a running trolley of a double-lift container crane and an anchoring method of the running trolley and a spreader upper frame (publication number: CN101062746A), the patent includes: the lifting pulley block comprises an outer gear pulley block and an inner gear pulley block; the lifting appliance upper frame anchoring system comprises a hydraulic oil cylinder and an anchoring rotary pin, wherein one movable end of the hydraulic oil cylinder pushes the anchoring rotary pin to rotate and anchor the lifting appliance upper frame; the heavy hammer limiting device comprises a telescopic cylinder and a limiting switch, wherein the telescopic cylinder is movably connected with the limiting switch through a steel wire rope.
The hoisting structure of the existing crane mostly adopts a single member, so that the problem of swinging or shaking of objects is easy to occur when hoisting some large-sized objects such as containers, and the hoisting structure and the objects are inconvenient to be connected when hoisting some irregular objects.
Disclosure of Invention
The invention aims to provide a double-lifting type container crane and a working method thereof, and solves the following technical problems:
how to make things convenient for the hoist to hoist some great article of volumes to when hoisting, avoid the problem that article appear rocking or rock, and when hoisting some anomalous article, how to be connected hoisting structure and article fast.
The purpose of the invention can be realized by the following technical scheme:
a double-lifting type container crane comprises a portal frame, wherein a double-lifting type trolley is mounted on the upper side of the portal frame, two groups of hooks are mounted at the output end of the double-lifting type trolley, a protective frame is mounted between the two groups of hooks in the double-lifting type trolley, the protective frame is used for supporting the two groups of hooks, and a locking frame is mounted between the two groups of hooks;
the locking frame comprises a first telescopic frame, a fixing frame is fixedly connected to the upper side of the first telescopic frame, a second telescopic frame is slidably connected to the inside of the fixing frame, and connecting members connected with the hooks are mounted at one ends of the second telescopic frame and the first telescopic frame.
As a further scheme of the invention: the double-lifting type trolley comprises a driving trolley and a driven trolley, a driving cylinder is fixedly connected between the driving trolley and the driven trolley, and a support frame is mounted on the side face of the driving cylinder.
As a further scheme of the invention: the bottom fixedly connected with pulley of support frame, the pulley contacts with the portal frame for support driving actuating cylinder.
As a further scheme of the invention: a groove is formed in one end of the first telescopic frame, a sliding rod is fixedly connected to the inside of the fixing frame, and one end of the sliding rod extends to the lower side of the groove and is used for keeping the first telescopic frame and the second telescopic frame flat.
As a further scheme of the invention: and a locking member is arranged at the connecting part of the second telescopic frame and the sliding rod, the locking member comprises a fixed plate and a sliding plate, the fixed plate is fixedly connected with the second telescopic frame, and the sliding plate is slidably connected with the second telescopic frame.
As a further scheme of the invention: the edges of the fixed plate and the sliding plate are attached to each other, and the fixed plate and the sliding plate are fixedly connected through bolts.
As a further scheme of the invention: the connecting component comprises a rotating disc, the side face of the rotating disc is rotatably connected with a connecting disc, and a rotating shaft is arranged at one end, far away from the connecting disc, of the rotating disc and is used for being rotatably connected with an adjacent component.
As a further scheme of the invention: the first telescopic frame and the second telescopic frame are both assembled by two cylinders in sliding connection, and the two groups of cylinders are fixed through bolts, so that a user can adjust the length of the telescopic frame conveniently.
As a further scheme of the invention: the protection frame comprises an assembly frame, a first partition plate is fixedly connected inside the assembly frame, and a first rotating roller is rotatably connected to one side, close to the first partition plate, inside the assembly frame.
As a further scheme of the invention: the equipment frame's both sides have all been seted up the spout, and are two sets of the equal sliding connection in inside of spout has the slide bar, and fixedly connected with second baffle between two sets of slide bars, and is two sets of just one side near the second baffle between the slide bar rotates and is connected with the second live-rollers.
As a further scheme of the invention: two groups of second cylinders are fixedly connected between any group of sliding rods and the second partition plate, and between the first partition plate and the assembling frame, the two groups of second cylinders are distributed diagonally, and the output ends of the two groups of second cylinders are fixedly connected with clamping plates.
As a further scheme of the invention: the upper surfaces of the assembly frame and the sliding rod are fixedly connected with connecting rods, and the two groups of connecting rods are respectively connected with two ends of the driving cylinder.
As a further scheme of the invention: the second rotating roller and the first rotating roller are respectively clung to one side of the two groups of hooks.
The invention also discloses a working method of the double-lifting type container crane, which comprises the following steps:
the method comprises the following steps: starting a driving cylinder, and adjusting the distance between a driving trolley and a driven trolley;
step two: sliding a second telescopic frame of the locking frame along the sliding rod, and adjusting the distance between the first telescopic frame and the second telescopic frame to be the same as the distance between the two groups of hooks;
step three: the first expansion bracket and the second expansion bracket are unfolded and extended, the rotating disc and the connecting discs in the connecting component are rotated, and the two groups of connecting discs are respectively fixedly connected with the side surfaces of the two groups of hooks;
step four: starting the double-lifting type trolley to drive the hook and the locking frame to lift, and lifting the top of the locking frame into the protective frame;
step five: two sets of second cylinders in the protection frame are started to drive two sets of clamping plates to fix the locking frame.
The invention has the beneficial effects that:
the double-lifting trolley is provided with two groups of trolleys, the distance between the two groups of trolleys is conveniently adjusted through the driving air cylinder, the double-lifting trolley can adapt to articles with different sizes, and the stability of lifting the articles can be improved through the double-lifting trolley;
meanwhile, the locking frame is arranged between the two groups of hooks, so that the stability between the two groups of hooks can be kept when the hook is moved, the length of the two groups of telescopic frames in the locking frame can be adjusted, the hooks with different lengths can be adapted, the second telescopic frame can slide along the sliding rod, the height of the second telescopic frame can be adjusted conveniently, the bottom end of the sliding rod extends to the lower side of the first telescopic frame, the two groups of telescopic frames can be kept flat conveniently, or the second telescopic frame is separated from the sliding rod;
on the other hand, the locking device is further provided with a protection frame, the assembly frame and the sliding rod in the protection frame can be driven by the driving cylinder to move, so that the overall length of the protection frame is changed, two groups of rotating rollers are arranged in the protection frame and used for supporting the hooks and preventing the hooks from shaking greatly, and meanwhile, two groups of second cylinders and clamping plates are arranged in the protection frame and can be fixed after the fixing frame of the locking frame moves into the protection frame, so that the firmness is further improved, and the phenomenon that the hooks shake greatly when articles are moved is prevented.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a partial front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a partial cross-sectional view of the locking bracket of the present invention;
fig. 4 is a top view of the protective frame of the present invention.
In the figure: 1. a gantry; 2. a double-lift trolley; 3. hooking; 4. a locking frame; 5. a protective frame; 21. driving the trolley; 22. a driven trolley; 23. a driving cylinder; 24. a support frame; 41. a first telescopic frame; 42. a groove; 43. a fixed mount; 44. a slide bar; 45. a second telescopic frame; 46. a locking member; 47. rotating the disc; 48. a connecting disc; 461. a fixing plate; 462. a sliding plate; 51. an assembly frame; 52. a chute; 53. a first separator; 54. a first rotating roller; 55. a slide bar; 56. a second separator; 57. a second rotating roller; 58. a second cylinder; 59. and (4) clamping the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention is a double-lifting container crane, which comprises a portal frame 1, wherein a double-lifting trolley 2 is mounted on the upper side of the portal frame 1, two groups of hooks 3 are mounted at the output end of the double-lifting trolley 2, a protective frame 5 is mounted between the two groups of hooks 3 in the double-lifting trolley 2, the protective frame 5 is used for supporting the two groups of hooks 3, and a locking frame 4 is mounted between the two groups of hooks 3;
the locking frame 4 comprises a first telescopic frame 41, a fixed frame 43 is fixedly connected to the upper side of the first telescopic frame 41, a second telescopic frame 45 is slidably connected to the inside of the fixed frame 43, and connecting members connected with the hook 3 are mounted at one ends of the second telescopic frame 45 and the first telescopic frame 41.
Two rising formula dollies 2 are including drive trolley 21 and driven dolly 22, and fixedly connected with drives actuating cylinder 23 between drive trolley 21 and the driven dolly 22, and the side-mounting that drives actuating cylinder 23 has support frame 24, and the bottom fixedly connected with pulley of support frame 24, pulley contact with portal frame 1 for support driving actuating cylinder 23.
One end of the first telescopic frame 41 is provided with a groove 42, a sliding rod 44 is fixedly connected inside the fixed frame 43, and one end of the sliding rod 44 extends to the lower side of the groove 42 and is used for keeping the first telescopic frame 41 and the second telescopic frame 45 flat.
The locking member 46 is disposed at a connection portion of the second telescopic frame 45 and the sliding rod 44, the locking member 46 includes a fixed plate 461 and a sliding plate 462, the fixed plate 461 is fixedly connected with the second telescopic frame 45, and the sliding plate 462 is slidably connected with the second telescopic frame 45.
The edges of the fixed plate 461 and the sliding plate 462 are attached, and the fixed plate 461 and the sliding plate 462 are fixedly connected by bolts.
The connecting component comprises a rotating disc 47, a connecting disc 48 is rotatably connected to the side surface of the rotating disc 47, a rotating shaft is arranged at one end, away from the connecting disc 48, of the rotating disc 47, and the two groups of rotating discs 47 are respectively and rotatably connected with the first telescopic frame 41 and the second telescopic frame 45 through the rotating shafts.
The first telescopic frame 41 and the second telescopic frame 45 are both assembled by two columns which are connected in a sliding manner, and the two groups of columns are fixed by bolts, so that the length of the telescopic frame can be adjusted by a user conveniently.
The protection frame 5 comprises an assembly frame 51, a first partition plate 53 is fixedly connected inside the assembly frame 51, a first rotating roller 54 is rotatably connected to one side of the interior of the assembly frame 51 close to the first partition plate 53, sliding grooves 52 are respectively formed in two sides of the assembly frame 51, sliding rods 55 are respectively and slidably connected inside two groups of sliding grooves 52, a second partition plate 56 is fixedly connected between two groups of sliding rods 55, a second rotating roller 57 is rotatably connected between two groups of sliding rods 55 and one side close to the second partition plate 56, two groups of second air cylinders 58 are respectively and fixedly connected between any one group of sliding rods 55 and the second partition plate 56 as well as between the first partition plate 53 and the assembly frame 51, the two groups of second air cylinders 58 are distributed diagonally, clamping plates 59 are respectively and fixedly connected to output ends of the two groups of second air cylinders 58, connecting rods are respectively and fixedly connected to upper surfaces of the assembly frame 51 and the sliding rods 55, and are respectively connected to two ends of the driving air cylinders 23, the second rotating roller 57 and the first rotating roller 54 are respectively closely attached to one side of the two sets of hooks 3.
The working principle of the invention is as follows:
the driving air cylinder 23 is started, the distance between the driving trolley 21 and the driven trolley 22 is adjusted, when the distance between the driving trolley 21 and the driven trolley 22 is changed, the sliding rod 55 and the assembling frame 51 can be driven to slide through the connecting rod, the assembling frame is unfolded, the driving trolley 21 in the double-lifting type trolley 2 is started, the driving air cylinder 23 and the driven trolley 22 are driven to move, and when the driving air cylinder 23 moves, the friction force generated when the driving air cylinder 23 moves can be reduced through the support frame 24;
sliding the second telescopic frame 45 of the locking frame 4 along the sliding rod 44, adjusting the distance between the first telescopic frame 41 and the second telescopic frame 45 to be the same as the distance between the two groups of hooks 3, moving the sliding plate 462 to one side of the fixed plate 461, and fixing the fixed plate 461 and the sliding plate 462 by using bolts;
the first telescopic frame 41 and the second telescopic frame 45 are unfolded and extended, when the first telescopic frame 41 and the second telescopic frame 45 are unfolded, two groups of components in the first telescopic frame 41 and the second telescopic frame 45 slide and are fixed by using bolts, a rotating disc 47 and a connecting disc 48 in a connecting component are rotated, the connecting disc 48 is attached to the corresponding side surface of the hook 3, and the two groups of connecting discs 48 are respectively and fixedly connected with the side surfaces of the two groups of hooks 3;
starting the double-lifting type trolley 2 to drive the hook 3 and the locking frame 4 to synchronously lift until the top of the locking frame 4 rises to the inside of the protection frame 5;
two sets of second cylinders 58 in the protection frame 5 are started to drive two sets of clamping plates 59 to fix the locking frame 4.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present 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 the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a two formula container crane that rises, includes portal frame (1), two formula trolleys (2) that rise are installed to the upside of portal frame (1), two sets of couple (3) are installed to the output that two formula trolleys (2) rise, a serial communication port, the inside of two formula trolleys (2) that rise is located installs protection frame (5) between two sets of couple (3), and is two sets of install locking frame (4) between couple (3), locking frame (4) are including first expansion bracket (41), upside fixedly connected with mount (43) of first expansion bracket (41), the inside sliding connection of mount (43) has second expansion bracket (45), the connecting elements who is connected with couple (3) are all installed to the one end of second expansion bracket (45) and first expansion bracket (41).
2. A double lift container crane according to claim 1, wherein said double lift trolley (2) comprises a driving trolley (21) and a driven trolley (22), a driving cylinder (23) is fixedly connected between said driving trolley (21) and said driven trolley (22), and a support frame (24) is mounted on the side of said driving cylinder (23).
3. A double lift container crane according to claim 1, wherein the first telescopic frame (41) is provided with a recess (42) at one end, a slide bar (44) is fixedly connected to the inside of the fixed frame (43), and one end of the slide bar (44) extends to the lower side of the recess (42).
4. A double lift container crane according to claim 3, wherein the second telescopic frame (45) is provided with a locking member (46) at the connection point with the sliding rod (44), the locking member (46) comprising a fixed plate (461) and a sliding plate (462), the fixed plate (461) being fixedly connected with the second telescopic frame (45), and the sliding plate (462) being slidably connected with the second telescopic frame (45).
5. A double lift container crane according to claim 4 wherein the fixed plate (461) and the sliding plate (462) abut each other at their edges and the fixed plate (461) and the sliding plate (462) are fixedly connected by means of bolts.
6. A double lift container crane according to claim 5, wherein said coupling means comprises a turning disc (47), a coupling disc (48) is rotatably coupled to a side of said turning disc (47), and a rotation shaft is provided at an end of said turning disc (47) remote from said coupling disc (48).
7. A double lift container crane according to claim 1, wherein the protective frame (5) comprises an assembly frame (51), a first partition (53) is fixedly attached to the inside of the assembly frame (51), and a first rotating roller (54) is rotatably attached to the side of the inside of the assembly frame (51) adjacent to the first partition (53).
8. The double-lift container crane according to claim 7, wherein sliding grooves (52) are formed in both sides of the assembly frame (51), sliding rods (55) are slidably connected to the insides of both of the sliding grooves (52), a second partition plate (56) is fixedly connected between both of the sliding rods (55), and a second rotating roller (57) is rotatably connected to a side of the second partition plate (56) between both of the sliding rods (55).
9. A double lift container crane according to claim 8, wherein two sets of second cylinders (58) are fixedly connected between any one set of sliding rods (55) and the second partition plate (56) and between the first partition plate (53) and the assembly frame (51), the two sets of second cylinders (58) are distributed diagonally and have clamping plates (59) fixedly connected to the output ends thereof.
10. A working method of a double-lifting type container crane is characterized by comprising the following steps:
the method comprises the following steps: starting a driving air cylinder (23) to adjust the distance between the driving trolley (21) and the driven trolley (22);
step two: sliding a second telescopic frame (45) of the locking frame (4) along a sliding rod (44), and adjusting the distance between the first telescopic frame (41) and the second telescopic frame (45) to be the same as the distance between the two groups of hooks (3);
step three: the first expansion bracket (41) and the second expansion bracket (45) are unfolded and extended, a rotating disc (47) and connecting discs (48) in the connecting component are rotated, and the two groups of connecting discs (48) are respectively and fixedly connected with the side surfaces of the two groups of hooks (3);
step four: starting the double-lifting type trolley (2), driving the hook (3) and the locking frame (4) to lift, and lifting the top of the locking frame (4) to the inside of the protection frame (5);
step five: two groups of second cylinders (58) in the protective frame (5) are started to drive two groups of clamping plates (59) to fix the locking frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821555.2A CN113371606B (en) | 2021-07-20 | 2021-07-20 | Double-lifting container crane and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821555.2A CN113371606B (en) | 2021-07-20 | 2021-07-20 | Double-lifting container crane and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113371606A true CN113371606A (en) | 2021-09-10 |
| CN113371606B CN113371606B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110821555.2A Active CN113371606B (en) | 2021-07-20 | 2021-07-20 | Double-lifting container crane and working method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113371606B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115676635A (en) * | 2022-12-29 | 2023-02-03 | 河南省矿山起重机有限公司 | Double-small-axle crane with hook capable of being connected |
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| CN101070133A (en) * | 2007-06-15 | 2007-11-14 | 上海振华港口机械（集团）股份有限公司 | Double 40-feet container yard gantry crane |
| CN101134553A (en) * | 2006-11-17 | 2008-03-05 | 上海振华港口机械（集团）股份有限公司 | Bank crane capable of hanging three 40-inch containers once |
| CN203998659U (en) * | 2014-07-25 | 2014-12-10 | 辽宁华原重型装备有限公司 | A kind of dolly that can hook range variable |
| CN206827931U (en) * | 2017-06-29 | 2018-01-02 | 夏永慧 | A kind of bridge crane |
| CN209940341U (en) * | 2019-04-10 | 2020-01-14 | 河南锐思特科技有限公司 | Anti-inclined lifting device of electric hoist |
| CN112158714A (en) * | 2020-09-28 | 2021-01-01 | 河南卫华重型机械股份有限公司 | Lifting device with synchronous lifting and auxiliary turning functions |
-
2021
- 2021-07-20 CN CN202110821555.2A patent/CN113371606B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134553A (en) * | 2006-11-17 | 2008-03-05 | 上海振华港口机械（集团）股份有限公司 | Bank crane capable of hanging three 40-inch containers once |
| CN101070133A (en) * | 2007-06-15 | 2007-11-14 | 上海振华港口机械（集团）股份有限公司 | Double 40-feet container yard gantry crane |
| CN203998659U (en) * | 2014-07-25 | 2014-12-10 | 辽宁华原重型装备有限公司 | A kind of dolly that can hook range variable |
| CN206827931U (en) * | 2017-06-29 | 2018-01-02 | 夏永慧 | A kind of bridge crane |
| CN209940341U (en) * | 2019-04-10 | 2020-01-14 | 河南锐思特科技有限公司 | Anti-inclined lifting device of electric hoist |
| CN112158714A (en) * | 2020-09-28 | 2021-01-01 | 河南卫华重型机械股份有限公司 | Lifting device with synchronous lifting and auxiliary turning functions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115676635A (en) * | 2022-12-29 | 2023-02-03 | 河南省矿山起重机有限公司 | Double-small-axle crane with hook capable of being connected |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113371606B (en) | 2024-02-13 |
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