CN113636449B - Container portal crane with locking mechanism - Google Patents

Container portal crane with locking mechanism Download PDF

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Publication number
CN113636449B
CN113636449B CN202110858766.3A CN202110858766A CN113636449B CN 113636449 B CN113636449 B CN 113636449B CN 202110858766 A CN202110858766 A CN 202110858766A CN 113636449 B CN113636449 B CN 113636449B
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CN
China
Prior art keywords
locking
locking mechanism
supporting
plate
limiting
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Active
Application number
CN202110858766.3A
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Chinese (zh)
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CN113636449A (en
Inventor
梁大伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Chunhua Hoisting Machinery Co Ltd
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Hefei Chunhua Hoisting Machinery Co Ltd
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Priority to CN202110858766.3A priority Critical patent/CN113636449B/en
Publication of CN113636449A publication Critical patent/CN113636449A/en
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Publication of CN113636449B publication Critical patent/CN113636449B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B66C19/007Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries for containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/42Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/445Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00Base supporting structures with legs
    • B66C5/02Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08Runners; Runner bearings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention discloses a container portal crane with a locking mechanism, which comprises two bases, wherein supporting mechanisms are fixedly arranged on the bases, cross beams are arranged on the two supporting mechanisms, a movable trolley is arranged on the cross beams, an electric hoist is fixedly arranged at the bottom of the movable trolley, the locking mechanism is arranged on the electric hoist, a hanger plate is arranged at the bottom of a chain of the electric hoist, and a lifting hook is arranged at the bottom of the hanger plate. According to the invention, through the arrangement of the lifting cylinder and the limiting shell in the bottom shell, after the portal crane does not need to be moved, the limiting shell descends to be in contact with the ground so as to generate friction with the ground, and simultaneously, the rotating wheel can be blocked by the rack in cooperation with two racks which move reversely, so that the situation that the rotating wheel moves is avoided, and the connection stability between the supporting upright post and the diagonal bracing column is higher through the arrangement of the fixed sleeve and the connecting arm on the supporting mechanism, and the integral strength of the supporting mechanism is ensured.

Description

Container portal crane with locking mechanism
Technical Field
The invention relates to the technical field of portal cranes, in particular to a container portal crane with a locking mechanism.
Background
Gantry cranes are a variant of bridge cranes, also called gantry cranes. The device is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk cargoes. The portal crane has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port cargo yards.
The rotating wheel at the bottom of the existing gantry crane is easy to automatically rotate when the gantry crane is lifted, so that the whole gantry crane is far away from a lifted object, and subsequent lifting is inconvenient. Meanwhile, when the gantry crane lifts the container, the lifting hook easily drives the container to shake, 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 gantry crane easily automatically rotates when the gantry crane lifts, so that the whole gantry crane is far away from a lifted object is solved; (2) The technical problem that a lifting hook easily drives a container to shake when the container is lifted by a portal crane in the prior art and simultaneously falls off easily is solved.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a take locking mechanism's container portal crane, includes two bases, fixed mounting has supporting mechanism on the base, installs the crossbeam on two supporting mechanism, install travelling car on the crossbeam, travelling car bottom fixed mounting has electric block, install locking mechanism on the electric block, the hanger plate is installed to electric block's chain bottom, the lifting hook is installed to the hanger plate bottom.
Further, bottom shell is fixedly installed to the bottom of the base, the bottom of the bottom shell is in an opening shape, two rotating wheels are rotatably installed in the bottom shell, a lifting cylinder is fixedly installed between the two rotating wheels, and a limiting shell is installed at the end of a piston rod of the lifting cylinder.
Further, 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 upright post, two oblique supporting columns are symmetrically arranged on two sides of the supporting upright post, and a top plate is fixedly arranged on the top of the supporting upright post.
Further, fixed sleeves are fixedly installed on the supporting upright posts, two connecting arms are fixedly installed on two sides of each fixed sleeve and correspond to two inclined supporting columns one by one, the connecting arms are fixedly connected with the inclined supporting columns, the top plate is fixedly connected with the inclined supporting columns, and the top plate is fixedly connected with the cross beam.
Further, the locking mechanism comprises a fixed plate, two guide rods penetrate through the fixed plate in a sliding mode, two locking air cylinders are fixedly arranged on the upper surface of the fixed plate, and the two locking air cylinders are reversely arranged.
Further, two locking cylinders are arranged between the two guide rods, locking clamping sleeves are arranged at the end parts of piston rods of the locking cylinders, the locking clamping sleeves and the guide rods are matched members, and the guide rods are fixedly connected with the hanging plate.
Further, two side plates are fixedly arranged on two sides of the bottom of the hanging plate, limiting cylinders are fixedly arranged on the side plates and are oppositely arranged, and limiting plates are arranged at the end parts of piston rods of the limiting cylinders.
Further, the working process of the portal crane is as follows:
step one: the gantry crane is moved to the upper part of the container through the rotating wheels, then the piston rod of the lifting cylinder pushes the limiting shell to descend, the bottom of the limiting shell is contacted with the ground, the output shaft of the motor is arranged to drive the gear to rotate, the gear drives the two racks to move reversely, and the two racks are respectively contacted with the two rotating wheels;
step two: the travelling car drives electric block and removes to directly over the container, and then electric block passes through the chain and drives the hanger plate and descend, drives the guide bar and descends when the hanger plate descends, and the lifting hook on the hanger plate lifts up 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 locking cutting ferrule, and 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 portal crane with the locking mechanism, through the arrangement of the lifting cylinder and the limiting shell in the bottom shell, after the portal crane does not need to be moved, the limiting shell descends to be in contact with the ground so as to generate friction with the ground, and simultaneously, the rotating wheel can be locked by the rack in a matched manner through the two racks which move reversely, so that the situation that the rotating wheel moves is avoided, the connection stability between the supporting upright post and the inclined supporting post is higher through the arrangement of the fixed 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 lifting process of hanger plate and lifting hook can be through the direction of guide bar, and then make hanger plate and lifting hook hang and get the in-process and can not produce to rock, simultaneously through the setting of locking cylinder and locking cutting ferrule, can prevent its condition that appears the displacement with the guide bar card death in the in-process of hanging, and then avoid hanging the condition that gets in-process hanger plate and lifting hook drop. Through the design of spacing cylinder and limiting plate, avoid the lifting hook to appear gliding condition when hanging the container, provide the reverse auxiliary clamp of level simultaneously to the container, safety and stability when improving the container and hanging.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a container gantry crane with a locking mechanism of the present invention;
FIG. 2 is a schematic view of the structure 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 structural view of the bottom chassis of the present invention;
FIG. 5 is an internal structural view of the containment vessel 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 supporting 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 limiting 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. a support column; 204. a fixed sleeve; 205. a top plate; 300. a cross beam; 400. a moving trolley; 500. an electric hoist; 501. a hanger plate; 502. a lifting hook; 503. a side plate; 504. a limit cylinder; 505. a limiting plate; 600. a locking mechanism; 601. a guide rod; 602. locking the air cylinder; 603. locking the clamping sleeve; 604. and a fixing plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the invention discloses a container portal crane with a locking mechanism, which comprises two bases 100, wherein a supporting mechanism 200 is fixedly installed on each base 100, a cross beam 300 is installed on each supporting mechanism 200, a mobile trolley 400 is installed on each cross beam 300, an electric hoist 500 is fixedly installed at the bottom of each mobile trolley 400, a locking mechanism 600 is installed on each electric hoist 500, a hanging plate 501 is installed at the bottom of a chain of each electric hoist 500, and a hanging hook 502 is installed at the bottom of each hanging plate 501.
Specifically, a bottom shell 101 is fixedly installed at the bottom of a base 100, the bottom of the bottom shell 101 is in an opening 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. The limiting shell 104 is internally and fixedly provided with the mounting motor 105, the end part of the output shaft of the mounting motor 105 is provided with the gear 106, two racks 107 are arranged on two sides of the gear 106, the gear 106 is meshed with the racks 107, after the gantry crane does not need to be moved, the limiting shell 104 descends to be in contact with the ground, friction is generated between the limiting shell and the ground, and simultaneously, two racks 107 which move reversely are matched, the racks 107 can clamp the rotating wheel 102, so that the situation that the rotating wheel 102 moves is avoided.
The supporting mechanism 200 comprises a supporting upright 203, two oblique supporting columns 201 are symmetrically arranged on two sides of the supporting upright 203, and a top plate 205 is fixedly arranged on the top of the supporting upright 203. The support column 203 is fixedly provided with a fixed sleeve 204, two sides of the fixed sleeve 204 are fixedly provided with two connecting arms 202, the two connecting arms 202 are in one-to-one correspondence with the two inclined support columns 201, the connecting arms 202 are fixedly connected with the inclined support columns 201, the top plate 205 is fixedly connected with the inclined support 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 post 203 and the inclined supporting post 201 is higher, and the integral strength of the supporting mechanism 200 is ensured.
The locking mechanism 600 comprises a fixed plate 604, two guide rods 601 are penetrated through the fixed plate 604 in a sliding manner, two locking air cylinders 602 are fixedly arranged on the upper surface of the fixed plate 604, and the two locking air cylinders 602 are reversely arranged. 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 is the cooperation component with guide bar 601, guide bar 601 and hanger plate 501 fixed connection, through the setting of guide bar 601 on locking mechanism 600, guarantee that the lift process of hanger plate 501 and lifting hook 502 can be through the direction of guide bar 601, and then make hanger plate 501 and lifting hook 502's the in-process of lifting can not produce and rock, simultaneously through the setting of locking cylinder 602 and locking cutting ferrule 603, can prevent its condition of displacement with the guide bar 601 card death in the process of lifting, and then avoid lifting in-process hanger plate 501 and lifting hook 502 to drop.
Two side plates 503 are fixedly arranged on two sides of the bottom of the lifting plate 501, limiting cylinders 504 are fixedly arranged on the side plates 503, the two limiting cylinders 504 are oppositely arranged, a limiting plate 505 is arranged at the end part of a piston rod of each limiting cylinder 504, the sliding condition of the lifting hook 502 when the container is lifted is avoided through the design of the limiting cylinders 504 and the limiting plates 505, meanwhile, horizontal reverse auxiliary clamping is provided for the container, and the safety and stability of the container during lifting are improved.
Referring to fig. 1-7, the container gantry crane with the locking mechanism of the present embodiment has the following working procedures:
step one: the gantry crane is moved to the upper part of 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 contacted with the ground, the output shaft of the motor 105 is arranged to drive the gear 106 to rotate, the gear 106 drives the two racks 107 to move reversely, and the two racks 107 are respectively contacted with the two rotating wheels 102;
step two: the travelling car 400 drives the electric block 500 to move to the container directly over, and then the electric block 500 drives the hanger plate 501 to descend through the chain, and the hanger plate 501 descends and drives the guide bar 601 simultaneously to descend, and the lifting hook 502 on the hanger plate 501 lifts up 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 the guide bar 601 and dies.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (6)

1. The container portal crane with the locking mechanism comprises two bases (100), and is characterized in that a supporting mechanism (200) is fixedly installed on each base (100), a cross beam (300) is installed on each supporting mechanism (200), a movable trolley (400) is installed on each cross beam (300), an electric hoist (500) is fixedly installed at the bottom of each movable trolley (400), a locking mechanism (600) is installed on each electric hoist (500), a hanger plate (501) is installed at the bottom of a chain of each electric hoist (500), and a lifting hook (502) is installed at the bottom of each hanger plate (501);
the bottom of the base (100) is fixedly provided with a bottom shell (101), the bottom of the bottom shell (101) is in an opening shape, two rotating wheels (102) are rotatably arranged in the bottom shell (101), a lifting cylinder (103) is fixedly arranged between the two rotating wheels (102), and a limiting shell (104) is arranged at the end part of a piston rod of the lifting cylinder (103);
the limiting shell (104) is internally and fixedly provided with a mounting motor (105), the end part of an output shaft of the mounting motor (105) is provided with a gear (106), two sides of the gear (106) are provided with two racks (107), and the gear (106) is meshed with the racks (107).
2. The container gantry crane with the locking mechanism according to claim 1, wherein the supporting mechanism (200) comprises a supporting upright (203), two oblique supporting columns (201) are symmetrically arranged on two sides of the supporting upright (203), and a top plate (205) is fixedly arranged on the top of the supporting upright (203).
3. The container portal crane with the locking mechanism according to claim 2, wherein a fixing sleeve (204) is fixedly installed on the supporting upright (203), two connecting arms (202) are fixedly installed on two sides of the fixing sleeve (204), the two connecting arms (202) are in one-to-one correspondence with the two diagonal support columns (201), the connecting arms (202) are fixedly connected with the diagonal support columns (201), a top plate (205) is fixedly connected with the diagonal support columns (201), and the top plate (205) is fixedly connected with the cross beam (300).
4. The container portal crane with the locking mechanism according to claim 1, wherein the locking mechanism (600) comprises a fixed plate (604), two guide rods (601) are penetrated on the fixed plate (604) in a sliding manner, two locking cylinders (602) are fixedly arranged on the upper surface of the fixed plate (604), and the two locking cylinders (602) are reversely arranged.
5. The container portal crane with the locking mechanism according to claim 4, wherein two locking cylinders (602) are arranged between two guide rods (601), locking clamping sleeves (603) are arranged at the ends of piston rods of the locking cylinders (602), the locking clamping sleeves (603) and the guide rods (601) are matched components, and the guide rods (601) are fixedly connected with the hanging plate (501).
6. The container portal 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 lifting plate (501), limiting cylinders (504) are fixedly installed on the side plates (503), the two limiting cylinders (504) are oppositely arranged, and a limiting plate (505) is installed at the end part of a piston rod of each limiting cylinder (504).
CN202110858766.3A 2021-07-28 2021-07-28 Container portal crane with locking mechanism Active CN113636449B (en)

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

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CN113636449A CN113636449A (en) 2021-11-12
CN113636449B true CN113636449B (en) 2023-11-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114803854B (en) * 2022-06-28 2022-09-16 河南真牛起重机集团有限公司 Sling shimmy damping device of crane

Citations (6)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

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