CN117509454A - Hoisting method of crane - Google Patents

Hoisting method of crane Download PDF

Info

Publication number
CN117509454A
CN117509454A CN202311328541.2A CN202311328541A CN117509454A CN 117509454 A CN117509454 A CN 117509454A CN 202311328541 A CN202311328541 A CN 202311328541A CN 117509454 A CN117509454 A CN 117509454A
Authority
CN
China
Prior art keywords
crane
pulley
lifting
cable
hook
Prior art date
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.)
Pending
Application number
CN202311328541.2A
Other languages
Chinese (zh)
Inventor
姚典
焦鹤
邹韬
刘忠饶
梁远祯
郭小飞
赵旭
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.)
China Shipbuilding Group South China Shipbuilding Machinery Co ltd
Original Assignee
China Shipbuilding Group South China Shipbuilding Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Shipbuilding Group South China Shipbuilding Machinery Co ltd filed Critical China Shipbuilding Group South China Shipbuilding Machinery Co ltd
Priority to CN202311328541.2A priority Critical patent/CN117509454A/en
Publication of CN117509454A publication Critical patent/CN117509454A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • 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
    • B66C13/16—Applications of indicating, registering, or weighing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • B66D3/08—Arrangements of sheaves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides a hoisting method of a crane, which comprises the following specific steps: (1) connecting a cable to the main hook winch and the hook; s1, winding one end of a cable on a winding drum of a main hook winch positioned at one side of a pile leg of a crane; s2, the other end of the cable is pulled upwards and passes through a pulley block positioned at the top end of the pile leg of the crane; s3, the other end of the cable is pulled downwards to pass through a pulley block positioned at the bottom end of the other side of the pile leg of the crane; s4, the other end of the cable is pulled to pass through a pulley block of the crane boom and connected with the lifting hook; (2) Starting a lifting winch, and driving and recovering a cable by the lifting winch; (3) And in the process of recovering the lifting cable, the lifting arm is driven to move upwards, so that lifting is realized.

Description

Hoisting method of crane
Technical Field
The invention relates to the technical field of crane single winch lifting, in particular to a lifting method of a crane.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying a weight within a certain range. For a part of heavy cranes, if the tonnage of the lifted goods is too large, the large-tonnage crane is needed to better carry the goods, the large-tonnage crane means that the pile leg of the crane is larger, the width of the suspension arm is smaller relative to the pile leg, and the lifting hook is generally positioned at the tail end of the suspension arm; because the side of the spud leg, on which the suspension arm is arranged, is blocked by the suspension arm, other driving components are difficult to arrange, a winch is required to be arranged on the side of the spud leg, which is far away from the suspension arm, so that the spud leg is convenient to maintain; thus, in the prior art, double winches are typically provided on both sides of the spud leg, so that double cables connect the hooks on both sides of the boom without interference from the spud leg.
If only a single winch is adopted, the cable is driven and recovered by the winch, the cable can be recovered by the winch after sequentially passing through the suspension arm and the spud leg of the suspension arm, and the cable is easily blocked by the spud leg, so that the cable needs to be wound around the spud leg to realize connection of the lifting hook.
Disclosure of Invention
The invention provides a lifting method of a crane, which can stably realize lifting of a boom and lifting of goods.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the lifting method of the crane is realized by the crane, and the crane is provided with a main hook cable mechanism, which comprises the following specific steps:
(1) The cable is connected to the main hook winch and the hook.
S1, winding one end of a cable on a winding drum of a main hook winch positioned on one side of a pile leg of the crane.
And S2, the other end of the cable is pulled upwards and passes through a pulley block positioned at the top end of the pile leg of the crane.
And S3, the other end of the cable is pulled downwards to pass through a pulley block positioned at the bottom end of the other side of the pile leg of the crane.
And S4, pulling the other end of the cable through a pulley block of the crane boom and connecting the lifting hook.
(2) The lifting winch is started, and the lifting cable is driven by the lifting winch to be recovered.
(3) And in the process of recovering the lifting cable, the lifting arm is driven to move upwards, so that lifting is realized.
The main hook cable mechanism comprises a main hook winch, a cable, a pulley block and a lifting hook, wherein the main hook winch is positioned at the bottom end of one side of a crane pile leg far away from the lifting arm, the pulley block is arranged at the top end of the crane pile leg, the bottom end of the other side of the crane pile leg and the lifting arm of the crane, one end of the cable is wound on a winding drum of the main hook winch, and the other end of the cable extends upwards to the top end of the crane pile leg and sequentially passes through the pulley block positioned at the top end of the crane pile leg, the pulley block positioned at the bottom end of the crane pile leg and the pulley block positioned at the lifting arm of the crane to be connected with the lifting hook; the crane is further provided with a boom lifting mechanism, the boom lifting mechanism comprises a lifting winch and a lifting cable, one end of the boom is hinged to the crane pile leg, the lifting winch is arranged at the bottom end of the crane pile leg, which is far away from the boom, one end of the lifting cable is wound on a winding drum of the lifting winch, and the other end of the lifting cable extends upwards to pass through a lifting pulley arranged at the top end of the crane pile leg to be connected with one end of the boom, which is far away from the crane pile leg.
According to the structure, the other end of the cable extends upwards to pass through the pulley block positioned at the top end of the crane pile leg, so that the cable passes through the pulley block positioned at the other side of the crane pile leg after winding from one side of the crane pile leg to the other side of the crane pile leg, and then can pass through the pulley block positioned on the crane boom to be connected with the lifting hook, and therefore, the cable upwards winds the pile leg, so that the pile leg cannot block the cable, and the single winch can hoist a heavy object; and after the pile leg is bypassed, the cable downwards extends to pass through the pulley block on the other side of the crane pile leg, so that the cable can extend towards the center of the suspension arm while bypassing the pile leg, and therefore the cable does not generate deflection force on the suspension arm.
Further, the pulley block comprises a first pulley, a second pulley and a third pulley, and the main hook winch is arranged at one side of the crane spud leg far away from the suspension arm; the first pulley is arranged at the top end of the crane pile leg, the second pulley is arranged at one side, close to the suspension arm, of the crane pile leg, the third pulley is arranged at one end, far away from the crane pile leg, of the suspension arm, one end of the cable is wound on a winding drum of the main hook winch, the other end of the cable extends upwards to penetrate through the first pulley at the top end of the crane pile leg, then extends downwards and penetrates through the second pulley to extend towards the tail end of the suspension arm and penetrates through the third pulley, and a lifting hook is arranged at the other end of the cable. Through setting up the assembly pulley for can make things convenient for the hawser to walk around spud leg and connect the lifting hook.
The step (1) specifically comprises:
s2, the other end of the cable is pulled upwards and passes through a first pulley positioned at the top end of the pile leg of the crane.
And S3, pulling the other end of the cable downwards to pass through a second pulley positioned at the bottom end of the other side of the pile leg of the crane.
S4, pulling the other end of the cable through a third pulley of the crane boom and connecting the lifting hook.
Further, a fourth pulley is arranged at the tail end of the suspension arm, the other end of the cable penetrates through the fourth pulley and extends downwards, and a force measuring pulley is arranged on the suspension arm between the fourth pulley and the third pulley; step S4 specifically includes that the other end of the cable passes through the third pulley, the force measuring pulley and the fourth pulley in sequence and is connected with the lifting hook, and the tension of the cable is detected by arranging the force measuring pulley, so that the cable is conveniently controlled.
Further, the fourth pulley is arranged obliquely relative to the third pulley, and the force measuring pulley is arranged obliquely relative to the third pulley, so that the force measuring pulley is arranged.
Further, an auxiliary hook cable mechanism is further arranged on the crane, the auxiliary hook cable mechanism comprises an auxiliary hook winch, an auxiliary hook cable, an auxiliary hook pulley and an auxiliary hook, the auxiliary hook pulley is arranged at the top end of a crane pile leg, one side, close to the suspension arm, of the bottom end of the crane pile leg and the tail end of the suspension arm, the auxiliary hook winch is arranged at one side, far away from the suspension arm, of the crane pile leg, one end of the auxiliary hook cable is wound on a winding drum of the auxiliary hook winch, and the other end of the auxiliary hook cable extends upwards and sequentially penetrates through the auxiliary hook pulley at the top end of the crane pile leg, the auxiliary hook pulley at the bottom of the crane pile leg and the auxiliary hook pulley at the tail end of the suspension arm to be connected with the auxiliary hook; step S4 specifically further comprises the step of lifting the goods through auxiliary hooks. By arranging the auxiliary hook cable mechanism, the crane plays an auxiliary role in lifting cargoes.
Further, an auxiliary hook force measuring pulley is arranged at the tail end of the suspension arm, and the other end of the auxiliary hook cable also penetrates through the force measuring pulley to extend downwards and is connected with an auxiliary hook; the tension of the auxiliary hook cable is detected by arranging the force measuring pulley, so that the auxiliary hook cable is convenient to control.
Further, the step (3) specifically comprises that the lifting winch drives the lifting cable to retract or loosen to drive the suspension arm to lift and descend, so that goods are transferred. The lifting winch is retracted or loosened to control the lifting arm to lift or descend, and the lifting winch is simple and effective in structure.
Drawings
Fig. 1 is a front view of the crane of the present invention.
Fig. 2 is a top view of the spud leg of the invention.
Fig. 3 is a top view of the boom of the present invention.
Fig. 4 is a flow chart of the operation of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 3, a hoisting method of a crane is realized by the crane, a main hook cable mechanism is arranged on the crane, the main hook cable mechanism comprises a main hook winch 21, a cable 22, a pulley block and a lifting hook 23, the main hook winch 21 is positioned at the bottom end of one side of a pile leg 11 of the crane 1 far away from a suspension arm 12, the pulley block is arranged at the top end of the pile leg 11 of the crane, the bottom end of the other side of the pile leg 11 of the crane and the suspension arm 12 of the crane 1, one end of the cable 22 is wound on a winding drum of the main hook winch 21, and the other end of the cable 22 extends upwards to the top end of the pile leg 11 of the crane and sequentially penetrates through the pulley block positioned at the top end of the pile leg 11 of the crane, the pulley block positioned at the bottom end of the pile leg 11 of the crane and the pulley block connecting lifting hook 23 positioned at the pulley block of the suspension arm 12 of the crane.
As shown in fig. 1 to 3, the pulley block comprises a first pulley 24, a second pulley 25 and a third pulley 26, and the main hook winch is arranged on one side of the crane spud leg 11 far from the suspension arm 12; the first pulley 24 is arranged at the top end of the crane pile leg 11, the second pulley 25 is arranged at one side of the crane pile leg 11 close to the suspension arm 12, the third pulley 26 is arranged at one end of the suspension arm 12 far away from the crane pile leg 11, one end of the cable 22 is wound on a winding drum of the main hook winch 21, the other end of the cable 22 extends upwards, extends downwards after passing through the first pulley 24 at the top end of the crane pile leg 11, extends backwards after passing through the second pulley 25, passes through the tail end of the suspension arm 12 and passes through the third pulley 26, and the other end of the cable 22 is provided with a lifting hook 24. Through setting up the assembly pulley for can make things convenient for the hawser to walk around spud leg and connect the lifting hook.
As shown in fig. 1 to 3, a fourth pulley 27 is provided at the end of the boom 12, the other end of the cable 22 passes through the fourth pulley 27 and extends downward, a force measuring pulley 28 is provided on the boom between the fourth pulley 27 and the third pulley 26, and the tension of the cable 22 is detected by providing the force measuring pulley 28, thereby facilitating control of the cable 22.
The fourth pulley 27 is inclined with respect to the third pulley 26, and the force measuring pulley 28 is inclined with respect to the third pulley 26, so that the cable can conveniently pass through the fourth pulley 27 due to the fact that the fourth pulley 27 is positioned at the tail end of the boom 12 and the tail end of the boom 12 is inclined inwards at the end of the boom 12 connected with the spud leg platform.
As shown in fig. 2 and 3, an auxiliary hook cable mechanism is further provided on the crane 1, the auxiliary hook cable mechanism includes an auxiliary hook winch 31, an auxiliary hook cable, an auxiliary hook pulley 33 and an auxiliary hook 34, the auxiliary hook pulley 33 is disposed on the top end of the crane pile leg 11, one side of the bottom end of the crane pile leg 11 near the boom 12 and the end of the boom 12, the auxiliary hook winch 31 is disposed on the side of the crane pile leg 11 far from the boom 12, one end of the auxiliary hook cable (not shown in the drawings) is wound on a drum of the auxiliary hook winch 31, and the other end of the auxiliary hook cable extends upward and sequentially passes through an auxiliary hook pulley (not shown in the drawings) disposed on the top end of the crane pile leg 11, an auxiliary hook pulley 33 disposed on the bottom of the crane pile leg 11 and an auxiliary hook pulley 33 disposed on the end of the boom 12 to connect the auxiliary hook 34. By arranging the auxiliary hook cable mechanism, the crane plays an auxiliary role in lifting cargoes.
As shown in fig. 3, a secondary hook force measuring pulley 35 is arranged at the tail end of the suspension arm 12, and the other end of the secondary hook cable also passes through the force measuring pulley 35 to extend downwards and is connected with a secondary hook 34; the tension of the auxiliary hook cable is detected by arranging the force measuring pulley 35, so that the auxiliary hook cable is convenient to control.
As shown in fig. 1 and 2, a boom lifting mechanism is further arranged on the crane 1, the boom lifting mechanism comprises a lifting winch 41 and a lifting cable 42, one end of the boom 12 is hinged on the crane pile leg 11, the lifting winch 41 is arranged at the bottom end of the crane pile leg 11, one end of the lifting cable 42 is wound on a winding drum of the lifting winch 41, and the other end of the lifting cable 42 extends upwards to pass through a lifting pulley 43 arranged at the top end of the crane pile leg 11 to be connected with one end of the boom 12 far away from the crane pile leg 11. The lifting winch 41 is used for retracting or loosening the lifting cable, so that the lifting arm 12 can be controlled to swing in lifting or descending, and the structure is simple and effective.
As shown in fig. 4, a hoisting method of a crane specifically includes the following steps:
(1) The cable is connected to the main hook winch and the hook.
S1, winding one end of a cable on a winding drum of a main hook winch positioned on one side of a pile leg of the crane.
S2, the other end of the cable is pulled upwards and passes through a first pulley positioned at the top end of the pile leg of the crane.
And S3, pulling the other end of the cable downwards to pass through a second pulley positioned at the bottom end of the other side of the pile leg of the crane.
The other end of the S4 cable sequentially passes through the third pulley, the force measuring pulley and the fourth pulley and is connected with the lifting hook; and the auxiliary hook is used for assisting the lifting hook to lift the goods.
(2) The lifting winch is started, and the lifting cable is driven by the lifting winch to be recovered.
(3) And in the process of recovering the lifting cable, the lifting arm is driven to move upwards, so that lifting is realized.
The working principle of the invention is as follows: the other end of the cable 22 extends upwards through the pulley block positioned at the top end of the crane pile leg 11, so that the cable 22 passes through the pulley block positioned at the other side of the crane pile leg 11 after passing from one side of the crane pile leg 11 to the other side of the crane pile leg 11, and can be connected with the lifting hook 23 through the pulley block positioned at the other side of the crane pile leg 11, thereby, the cable 22 upwards bypasses the pile leg 11, so that the pile leg 11 cannot block the cable 22, and after bypassing the pile leg 11, the cable 22 downwards extends through the pulley block positioned at the other side of the crane pile leg 11, so that the cable 11 can extend towards the center of the lifting arm 12 while bypassing the pile leg, so that no deflection force occurs to the lifting arm 12 by the cable 22.

Claims (7)

1. The lifting method of the crane is realized by the crane, and the crane is provided with a main hook cable mechanism, which is characterized in that: the method comprises the following specific steps:
(1) Connecting a cable rope with a main hook winch and a lifting hook;
s1, winding one end of a cable on a winding drum of a main hook winch positioned at one side of a pile leg of a crane;
s2, the other end of the cable is pulled upwards and passes through a pulley block positioned at the top end of the pile leg of the crane;
s3, the other end of the cable is pulled downwards to pass through a pulley block positioned at the bottom end of the other side of the pile leg of the crane;
s4, the other end of the cable is pulled to pass through a pulley block of the crane boom and connected with the lifting hook;
(2) Starting a lifting winch, and driving and recovering a lifting cable by the lifting winch;
(3) The lifting arm is driven to move upwards in the process of recovering the lifting cable, so that lifting is realized;
the main hook cable mechanism comprises a main hook winch, a cable, a pulley block and a lifting hook, wherein the main hook winch is positioned at the bottom end of one side of a crane pile leg far away from the lifting arm, the pulley block is arranged at the top end of the crane pile leg, the bottom end of the other side of the crane pile leg and the lifting arm of the crane, one end of the cable is wound on a winding drum of the main hook winch, and the other end of the cable extends upwards to the top end of the crane pile leg and sequentially passes through the pulley block positioned at the top end of the crane pile leg, the pulley block positioned at the bottom end of the crane pile leg and the pulley block positioned at the lifting arm of the crane to be connected with the lifting hook; the crane is further provided with a boom lifting mechanism, the boom lifting mechanism comprises a lifting winch and a lifting cable, one end of the boom is hinged to the crane pile leg, the lifting winch is arranged at the bottom end of the crane pile leg, which is far away from the boom, one end of the lifting cable is wound on a winding drum of the lifting winch, and the other end of the lifting cable extends upwards to pass through a lifting pulley arranged at the top end of the crane pile leg to be connected with one end of the boom, which is far away from the crane pile leg.
2. A method of lifting a crane according to claim 1, wherein: the pulley block comprises a first pulley, a second pulley and a third pulley, and the main hook winch is arranged at one side of the crane spud leg far away from the suspension arm; the first pulley is arranged at the top end of the crane pile leg, the second pulley is arranged at one side of the crane pile leg, which is close to the suspension arm, the third pulley is arranged at one end of the suspension arm, which is far away from the crane pile leg, one end of the cable is wound on a winding drum of the main hook winch, the other end of the cable extends upwards to pass through the first pulley at the top end of the crane pile leg, then extends downwards and passes through the second pulley to extend towards the tail end of the suspension arm and passes through the third pulley, and the other end of the cable is provided with a lifting hook;
the step (1) specifically comprises:
s2, the other end of the cable is pulled upwards and passes through a first pulley positioned at the top end of the pile leg of the crane;
s3, the other end of the cable is pulled downwards to pass through a second pulley positioned at the bottom end of the other side of the pile leg of the crane;
s4, pulling the other end of the cable through a third pulley of the crane boom and connecting the lifting hook.
3. A method of lifting a crane according to claim 2, characterized in that: a fourth pulley is arranged at the tail end of the suspension arm, the other end of the cable penetrates through the fourth pulley and extends downwards, and a force measuring pulley is arranged on the suspension arm between the fourth pulley and the third pulley; the step S4 specifically comprises that the other end of the cable sequentially passes through the third pulley, the force measuring pulley and the fourth pulley and is connected with the lifting hook.
4. A method of lifting a crane according to claim 3, wherein: the fourth pulley is obliquely arranged relative to the third pulley, and the force measuring pulley is obliquely arranged relative to the third pulley.
5. A method of lifting a crane according to claim 1, wherein: the crane is also provided with an auxiliary hook cable mechanism, the auxiliary hook cable mechanism comprises an auxiliary hook winch, an auxiliary hook cable, an auxiliary hook pulley and an auxiliary hook, the auxiliary hook pulley is arranged at the top end of the crane pile leg, one side of the bottom end of the crane pile leg, which is close to the suspension arm, and the tail end of the suspension arm, the auxiliary hook winch is arranged at one side of the crane pile leg, which is far away from the suspension arm, one end of the auxiliary hook cable is wound on a winding drum of the auxiliary hook winch, and the other end of the auxiliary hook cable extends upwards and sequentially passes through the auxiliary hook pulley at the top end of the crane pile leg, the auxiliary hook pulley at the bottom of the crane pile leg and the auxiliary hook pulley at the tail end of the suspension arm to be connected with the auxiliary hook; step S4 specifically further comprises the step of lifting the goods through auxiliary hooks.
6. The method of lifting a crane according to claim 5, wherein: an auxiliary hook force measuring pulley is arranged at the tail end of the suspension arm, and the other end of the auxiliary hook cable also penetrates through the force measuring pulley to extend downwards and is connected with the auxiliary hook.
7. A method of lifting a crane according to claim 1, wherein: the step (3) specifically comprises the steps that a lifting winch drives a lifting cable to retract or loosen to drive a suspension arm to lift and descend, so that goods are transferred.
CN202311328541.2A 2023-10-14 2023-10-14 Hoisting method of crane Pending CN117509454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311328541.2A CN117509454A (en) 2023-10-14 2023-10-14 Hoisting method of crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311328541.2A CN117509454A (en) 2023-10-14 2023-10-14 Hoisting method of crane

Publications (1)

Publication Number Publication Date
CN117509454A true CN117509454A (en) 2024-02-06

Family

ID=89755720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311328541.2A Pending CN117509454A (en) 2023-10-14 2023-10-14 Hoisting method of crane

Country Status (1)

Country Link
CN (1) CN117509454A (en)

Similar Documents

Publication Publication Date Title
KR101711271B1 (en) Method and device for hoisting an item by means of a crane
EP1854759A2 (en) Boom hoisting device of a crane
US4277053A (en) Lifting and handling equipment unit, especially for shipside operations
EP3653873A1 (en) Method for moving an object between a platform of a wind turbine and a deck of a vessel and frame structure used for coupling of a pulling means
CN117509454A (en) Hoisting method of crane
CN104709833B (en) Novel luffing rib ropewalking crawler crane
CN113264458A (en) Tower crane system and method for removing attachment rod thereof
CN216662292U (en) Lifting arm system and lifting machine
CN220866962U (en) Single rope winds loop wheel machine structure of stake
CN117488801A (en) Pile winding method for steel wire rope
CN202529744U (en) Structure of auxiliary hoist of fixed mast and crawler crane equipped with structure
CN220866967U (en) Hoisting device
CN115066387A (en) Method and lifting yoke for lifting elongated objects
JP3746590B2 (en) Underwater vehicle detaching device
US4664269A (en) Crane for heavy loads, in particular offshore crane, and process for the mooring of a crane
CN117284947A (en) Hoisting system of single winch
CN212315380U (en) Tower crane mast lifting device
CN211971577U (en) Tower crane system
JP2009298488A (en) Mobile crane
CN210439272U (en) Dynamic compaction portal lifting device
GB2087346A (en) Raising and lowering a jib- type hoisting device
CN217676528U (en) Side pulling device for crane and crane comprising same
CN2297432Y (en) Easy-to-dismount top rotating tower crane
JP4625163B2 (en) Mobile crane hoisting cylinder load reduction device
CN214653248U (en) Pulley rope winding switching device for head of double four-bar crane

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination