CN113636449A - Gantry container crane with locking mechanism - Google Patents
Gantry container crane with locking mechanism Download PDFInfo
- Publication number
- CN113636449A CN113636449A CN202110858766.3A CN202110858766A CN113636449A CN 113636449 A CN113636449 A CN 113636449A CN 202110858766 A CN202110858766 A CN 202110858766A CN 113636449 A CN113636449 A CN 113636449A
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- Prior art keywords
- locking mechanism
- locking
- plate
- supporting
- limiting
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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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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- B66C19/007—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries for containers
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a container gantry crane with a locking mechanism, which comprises two bases, wherein a supporting mechanism is fixedly arranged on each base, a cross beam is arranged on each supporting mechanism, a moving trolley is arranged on each cross beam, an electric hoist is fixedly arranged at the bottom of the moving trolley, a locking mechanism is arranged on each electric hoist, a hanging plate is arranged at the bottom of a chain of each electric hoist, and a lifting hook is arranged at the bottom of each hanging plate. According to the invention, through the arrangement of the lifting cylinder and the limiting shell in the bottom shell, after the gantry crane does not need to be moved, the limiting shell is prevented from falling to be in contact with the ground, so that friction is generated between the limiting shell and the ground, and meanwhile, the rack is matched with the two racks moving in opposite directions, so that the rotating wheel can be clamped by the rack, the rotating wheel is prevented from moving, through the arrangement of the fixing sleeve and the connecting arm on the supporting mechanism, the connection stability between the supporting upright post and the inclined supporting post is higher, and the integral strength of the supporting mechanism is ensured.
Description
Technical Field
The invention relates to the technical field of gantry cranes, in particular to a container gantry crane with a locking mechanism.
Background
The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.
The rotating wheel at the bottom of the existing portal crane is easy to automatically rotate when the existing portal crane is lifted, so that the whole portal crane is far away from a lifted object and inconvenient to subsequently lift. Meanwhile, when the gantry crane lifts the container, the lifting hook easily drives the container to rock, and meanwhile, the lifting hook easily falls off, so that the safety is not high.
Disclosure of Invention
The invention aims to provide a container portal crane with a locking mechanism, which solves the following technical problems: (1) the technical problem that in the prior art, a rotating wheel at the bottom of a portal crane is easy to automatically rotate when the portal crane is lifted, so that the whole portal crane is far away from a lifted object is solved; (2) the technical problem of among the prior art gantry crane lift by crane the container when the lifting hook drives the container easily and rocks, the lifting hook drops easily simultaneously is solved.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a take locking mechanism's gantry container crane, includes two bases, fixed mounting has supporting mechanism on the base, installs the crossbeam on two supporting mechanism, install the travelling car on the crossbeam, travelling car bottom fixed mounting has electric block, the last locking mechanism that installs of electric block, the hanger plate is installed to electric block's chain bottom, the lifting hook is installed to the hanger plate bottom.
Further, base bottom fixed mounting has the drain pan, the drain pan bottom is the opening form, two swiveling wheels are installed to the drain pan internal rotation, and fixed mounting has the lift cylinder between two swiveling wheels, the installation of lift cylinder piston rod tip has the restraint shell.
Furthermore, an installation motor is fixedly installed in the limiting shell, a gear is installed at the end part of an output shaft of the installation motor, two racks are arranged on two sides of the gear, and the gear and the racks are meshed with each other.
Further, the supporting mechanism comprises a supporting stand column, two oblique supporting columns are symmetrically arranged on two sides of the supporting stand column, and a top plate is fixedly mounted at the top of the supporting stand column.
Further, fixed mounting has fixed cover on the support post, fixed cover both sides fixed mounting has two linking arms, two linking arms and two bearing diagonal posts one-to-one, linking arm and bearing diagonal post fixed connection, roof and crossbeam fixed connection.
Further, locking mechanism includes the fixed plate, it has two guide bars to run through to slide on the fixed plate, fixed surface installs two locking cylinders on the fixed plate, and two locking cylinders are reverse setting.
Furthermore, two locking cylinders set up between two guide bars, locking cutting ferrule is installed to locking cylinder piston rod tip, locking cutting ferrule and guide bar are the cooperation component, guide bar and hanger plate fixed connection.
Further, hanger plate bottom both sides fixed mounting has two curb plates, fixed mounting has spacing cylinder on the curb plate, and two spacing cylinders are relative setting, the limiting plate is installed to spacing cylinder piston rod tip.
Further, the operation process of the gantry crane is as follows:
the method comprises the following steps: the gantry crane is moved to the position above the container through the rotating wheel, the piston rod of the rear lifting cylinder pushes the limiting shell to descend, the bottom of the limiting shell is in contact with the ground, the output shaft of the motor is installed to drive the gear to rotate, the gear drives the two racks to move in the opposite directions, and the two racks are in contact with the two rotating wheels respectively;
step two: the travelling car drives electric block and removes directly over the container, and then electric block passes through the chain and drives the hanger plate decline, drives the guide bar decline when the hanger plate descends, and the lifting hook on the hanger plate hoists the container, and spacing cylinder piston rod promotes the limiting plate, and two limiting plates carry out the centre gripping to the container both sides, and locking cylinder piston rod promotes the locking cutting ferrule, and the locking cutting ferrule carries out spacing card to the guide bar and dies.
The invention has the beneficial effects that:
(1) according to the container gantry crane with the locking mechanism, due to the arrangement of the lifting cylinder and the limiting shell in the bottom shell, after the gantry crane does not need to be moved, the limiting shell is prevented from falling to be in contact with the ground, so that friction is generated between the limiting shell and the ground, and meanwhile, the rack is matched with the two racks moving in opposite directions, so that a rotating wheel can be clamped by the rack, the rotating wheel is prevented from moving, the connection stability between the supporting upright post and the inclined supporting post is higher due to the arrangement of the fixing sleeve and the connecting arm on the supporting mechanism, and the integral strength of the supporting mechanism is ensured;
(2) through the setting of the guide bar on the locking mechanism, guarantee that the lift process of hanger plate and lifting hook can pass through the direction of guide bar, and then make the in-process of getting of hanging of hanger plate and lifting hook can not produce and rock, through the setting of locking cylinder and locking cutting ferrule, get the in-process and can block the guide bar and prevent its condition that the displacement appears at hanging, and then avoid hanging the condition of getting in-process hanger plate and lifting hook and drop. Through the design of spacing cylinder and limiting plate, avoid the lifting hook the gliding condition of container appearance when hanging and get the container, provide the horizontal reverse supplementary centre gripping to the container simultaneously, improve safety and stability when the container hangs and gets.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a gantry container crane with a locking mechanism according to the present invention;
FIG. 2 is a schematic structural view of the locking mechanism of the present invention;
FIG. 3 is an installation view of the hook of the present invention;
FIG. 4 is an internal structure view of the bottom case of the present invention;
FIG. 5 is an internal structural view of the confinement shell of the present invention;
FIG. 6 is a bottom view of FIG. 5 of the present invention;
fig. 7 is a schematic structural view of the support mechanism of the present invention.
In the figure: 100. a base; 101. a bottom case; 102. a rotating wheel; 103. a lifting cylinder; 104. a containment shell; 105. installing a motor; 106. a gear; 107. a rack; 200. a support mechanism; 201. an oblique support column; 202. a connecting arm; 203. supporting the upright post; 204. fixing a sleeve; 205. a top plate; 300. a cross beam; 400. moving the trolley; 500. an electric hoist; 501. a hanger plate; 502. a hook; 503. a side plate; 504. a limiting cylinder; 505. a limiting plate; 600. a locking mechanism; 601. a guide bar; 602. a locking cylinder; 603. locking the clamping sleeve; 604. and (7) fixing 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. 1-7, the invention relates to a gantry container crane with a locking mechanism, which comprises two bases 100, wherein the bases 100 are fixedly provided with supporting mechanisms 200, the two supporting mechanisms 200 are provided with cross beams 300, the cross beams 300 are provided with moving trolleys 400, the bottoms of the moving trolleys 400 are fixedly provided with electric hoists 500, the electric hoists 500 are provided with the locking mechanisms 600, the bottoms of chains of the electric hoists 500 are provided with hanging plates 501, and the bottoms of the hanging plates 501 are provided with lifting hooks 502.
Specifically, a bottom shell 101 is fixedly installed at the bottom of the base 100, the bottom of the bottom shell 101 is in an open shape, two rotating wheels 102 are rotatably installed in the bottom shell 101, a lifting cylinder 103 is fixedly installed between the two rotating wheels 102, and a limiting shell 104 is installed at the end of a piston rod of the lifting cylinder 103. Fixed mounting has installation motor 105 in the restriction shell 104, gear 106 is installed to installation motor 105 output shaft tip, gear 106 both sides are provided with two racks 107, gear 106 and rack 107 intermeshing, setting through lift cylinder 103 and restriction shell 104 in the drain pan 101, after need not to remove the gantry crane, restriction shell 104 descends to and contacts with ground, and then produces the friction with ground, cooperate two reverse movement's rack 107 simultaneously, rack 107 can be dead with swiveling wheel 102 card, thereby avoid swiveling wheel 102 the condition that the removal appears.
The supporting mechanism 200 comprises a supporting upright 203, two inclined supporting columns 201 are symmetrically arranged on two sides of the supporting upright 203, and a top plate 205 is fixedly mounted at the top of the supporting upright 203. The supporting upright 203 is fixedly provided with a fixing sleeve 204, two connecting arms 202 are fixedly arranged on two sides of the fixing sleeve 204, the two connecting arms 202 correspond to the two oblique supporting columns 201 one by one, the connecting arms 202 are fixedly connected with the oblique supporting columns 201, the top plate 205 is fixedly connected with the oblique supporting columns 201, and the top plate 205 is fixedly connected with the cross beam 300. Through the arrangement of the fixing sleeve 204 and the connecting arm 202 on the supporting mechanism 200, the connection stability between the supporting upright 203 and the inclined supporting column 201 is higher, and the overall strength of the supporting mechanism 200 is ensured.
The locking mechanism 600 includes a fixing plate 604, two guide rods 601 slidably penetrate through the fixing plate 604, two locking cylinders 602 are fixedly mounted on the upper surface of the fixing plate 604, and the two locking cylinders 602 are arranged in opposite directions. Two locking cylinders 602 set up between two guide bars 601, locking cutting ferrule 603 is installed to locking cylinder 602 piston rod tip, locking cutting ferrule 603 and guide bar 601 are the cooperation component, guide bar 601 and hanger plate 501 fixed connection, setting through guide bar 601 on locking mechanism 600, guarantee that the lift process of hanger plate 501 and lifting hook 502 can pass through the direction of guide bar 601, and then make the in-process of getting of hanging of hanger plate 501 and lifting hook 502 can not produce and rock, simultaneously through the setting of locking cylinder 602 and locking cutting ferrule 603, can block guide bar 601 and prevent its condition that the displacement appears at the in-process of getting of hanging, and then avoid hanging the condition that gets in-process hanger plate 501 and lifting hook 502 and drop.
Two curb plates 503 are fixedly mounted on two sides of the bottom of the hanging plate 501, a limiting cylinder 504 is fixedly mounted on the curb plates 503, the two limiting cylinders 504 are oppositely arranged, a limiting plate 505 is mounted at the end part of a piston rod of the limiting cylinder 504, and through the design of the limiting cylinder 504 and the limiting plate 505, the condition that the container slides when the container is hung and taken by the hook 502 is avoided, meanwhile, the horizontal reverse auxiliary clamping is provided for the container, and the safety and the stability of the container when the container is hung and taken are improved.
Referring to fig. 1 to 7, the operation of the gantry container crane with a locking mechanism of the present embodiment is as follows:
the method comprises the following steps: the gantry crane is moved to the position above the container through the rotating wheel 102, then the piston rod of the lifting cylinder 103 pushes the limiting shell 104 to descend, the bottom of the limiting shell 104 is in contact with the ground, the output shaft of the motor 105 is installed to drive the gear 106 to rotate, the gear 106 drives the two racks 107 to move in the opposite direction, and the two racks 107 are respectively in contact with the two rotating wheels 102;
step two: travelling car 400 drives electric block 500 and moves to directly over the container, and then electric block 500 drives hanger plate 501 through the chain and descends, and hanger plate 501 descends and drives guide bar 601 to descend simultaneously, and lifting hook 502 on hanger plate 501 lifts the container, and spacing cylinder 504 piston rod promotes limiting plate 505, and two limiting plates 505 carry out the centre gripping to the container both sides, and locking cylinder 602 piston rod promotes locking cutting ferrule 603, and locking cutting ferrule 603 carries out spacing card to dead to guide bar 601.
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 (8)
1. The utility model provides a take locking mechanism's gantry container crane, includes two bases (100), its characterized in that, fixed mounting has supporting mechanism (200) on base (100), installs crossbeam (300) on two supporting mechanism (200), install travelling car (400) on crossbeam (300), travelling car (400) bottom fixed mounting has electric block (500), install locking mechanism (600) on electric block (500), hanger plate (501) are installed to the chain bottom of electric block (500), lifting hook (502) are installed to hanger plate (501) bottom.
2. The container gantry crane with the locking mechanism according to claim 1, wherein a bottom shell (101) is fixedly installed at the bottom of the base (100), the bottom of the bottom shell (101) is open, two rotating wheels (102) are rotatably installed in the bottom shell (101), a lifting cylinder (103) is fixedly installed between the two rotating wheels (102), and a limiting shell (104) is installed at the end of a piston rod of the lifting cylinder (103).
3. The gantry container crane with the locking mechanism according to claim 2, wherein a mounting motor (105) is fixedly mounted in the limiting shell (104), a gear (106) is mounted at an output shaft end of the mounting motor (105), two racks (107) are arranged on two sides of the gear (106), and the gear (106) and the racks (107) are meshed with each other.
4. The container gantry crane with the locking mechanism according to claim 1, wherein the supporting mechanism (200) comprises a supporting column (203), two inclined supporting columns (201) are symmetrically arranged on two sides of the supporting column (203), and a top plate (205) is fixedly mounted on the top of the supporting column (203).
5. The gantry container crane with a locking mechanism according to claim 4, wherein the supporting columns (203) are fixedly provided with a fixing sleeve (204), two connecting arms (202) are fixedly provided on two sides of the fixing sleeve (204), the two connecting arms (202) correspond to the two oblique supporting columns (201) one by one, the connecting arms (202) are fixedly connected with the oblique supporting columns (201), the top plate (205) is fixedly connected with the oblique supporting columns (201), and the top plate (205) is fixedly connected with the cross beam (300).
6. The gantry container crane with a locking mechanism according to claim 1, wherein the locking mechanism (600) comprises a fixing plate (604), two guide rods (601) are slidably inserted through the fixing plate (604), two locking cylinders (602) are fixedly mounted on the upper surface of the fixing plate (604), and the two locking cylinders (602) are oppositely arranged.
7. The gantry container crane with the locking mechanism according to claim 6, wherein two locking cylinders (602) are disposed between two guide rods (601), the end of the piston rod of the locking cylinder (602) is provided with a locking sleeve (603), the locking sleeve (603) and the guide rod (601) are matched components, and the guide rod (601) is fixedly connected with the hanger plate (501).
8. The gantry container crane with the locking mechanism according to claim 1, wherein two side plates (503) are fixedly installed on two sides of the bottom of the hanging plate (501), a position-limiting cylinder (504) is fixedly installed on each side plate (503), the two position-limiting cylinders (504) are oppositely arranged, and a position-limiting plate (505) is installed at the end of a piston rod of each position-limiting cylinder (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858766.3A CN113636449B (en) | 2021-07-28 | 2021-07-28 | Container portal crane with locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858766.3A CN113636449B (en) | 2021-07-28 | 2021-07-28 | Container portal crane with locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113636449A true CN113636449A (en) | 2021-11-12 |
| CN113636449B CN113636449B (en) | 2023-11-07 |
Family
ID=78418627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110858766.3A Active CN113636449B (en) | 2021-07-28 | 2021-07-28 | Container portal crane with locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113636449B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104958A (en) * | 2021-11-24 | 2022-03-01 | 合肥市春华起重机械有限公司 | Adjusting device of metallurgical crane |
| CN114803854A (en) * | 2022-06-28 | 2022-07-29 | 河南真牛起重机集团有限公司 | Sling shimmy damping device of crane |
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| CN1828254A (en) * | 2006-03-30 | 2006-09-06 | 上海交通大学 | Liftable deep well false bottom system |
| CN207192617U (en) * | 2017-08-05 | 2018-04-06 | 安徽强力重工起重机械有限公司 | A kind of gantry crane of stable operation |
| CN109502478A (en) * | 2019-01-07 | 2019-03-22 | 张镇 | A kind of locomotive crane windbreak anchoring equipment and crane |
| CN209337989U (en) * | 2018-12-29 | 2019-09-03 | 焦作中海重工机械有限公司 | A kind of power hydraulic pressure wind-proof iron wedge brake |
| CN110482417A (en) * | 2019-08-01 | 2019-11-22 | 合肥岚泉科技发展有限公司 | A kind of wind-proof device convenient for extraction |
| CN212953945U (en) * | 2020-05-12 | 2021-04-13 | 响水德宇科技有限公司 | Crane capable of preventing shaking |
-
2021
- 2021-07-28 CN CN202110858766.3A patent/CN113636449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828254A (en) * | 2006-03-30 | 2006-09-06 | 上海交通大学 | Liftable deep well false bottom system |
| CN207192617U (en) * | 2017-08-05 | 2018-04-06 | 安徽强力重工起重机械有限公司 | A kind of gantry crane of stable operation |
| CN209337989U (en) * | 2018-12-29 | 2019-09-03 | 焦作中海重工机械有限公司 | A kind of power hydraulic pressure wind-proof iron wedge brake |
| CN109502478A (en) * | 2019-01-07 | 2019-03-22 | 张镇 | A kind of locomotive crane windbreak anchoring equipment and crane |
| CN110482417A (en) * | 2019-08-01 | 2019-11-22 | 合肥岚泉科技发展有限公司 | A kind of wind-proof device convenient for extraction |
| CN212953945U (en) * | 2020-05-12 | 2021-04-13 | 响水德宇科技有限公司 | Crane capable of preventing shaking |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104958A (en) * | 2021-11-24 | 2022-03-01 | 合肥市春华起重机械有限公司 | Adjusting device of metallurgical crane |
| CN114104958B (en) * | 2021-11-24 | 2023-09-12 | 合肥市春华起重机械有限公司 | Adjusting device of metallurgical crane |
| CN114803854A (en) * | 2022-06-28 | 2022-07-29 | 河南真牛起重机集团有限公司 | Sling shimmy damping device of crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113636449B (en) | 2023-11-07 |
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