CN218024943U - Lifting appliance for crane - Google Patents

Abstract

The utility model discloses a hoist that hoist was used relates to hoist technical field. The utility model discloses an assemble subassembly, hanging beam and hoist main part, assemble subassembly downside welded fastening and have the screw thread post, the screw thread post outer peripheral face has cup jointed the hanging beam, and the hanging beam upside runs through the grafting threaded rod, and the hanging beam downside is provided with the hoist main part, and hoist main part upside welded fastening has the link, and the link cup joints in the hanging beam outer peripheral face, and hoist main part one side runs through the joint and has the rotating turret, and hoist main part bottom side has dangled the couple. The utility model discloses an assemble subassembly, hanging beam and hoist main part, solved a plurality of hanging positions that the hoist is difficult to the cooperation heavy object, especially to the comparatively anomalous heavy object of shape, need pass through wire rope auxiliary connection, the operation is comparatively wasted time and energy, and wire rope's length be difficult to and the heavy object between the phase-match, be difficult to the problem of accurate control wire rope's between hoist and the heavy object length in the fixed process.

Description

Lifting appliance for crane

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a hoist that hoist was used.

Background

The hoist, be the machinery of mainly used material handling, it can carry out vertical lift and removal to heavy object in the certain limit, the hoist mainly comprises frame, hoisting mechanism, the operating device, rotary mechanism, luffing mechanism, control system etc. wherein, in order to carry out the lifting to the object of various different shapes, the hoisting mechanism of hoist need cooperate various hoists and heavy object usually to connect, the hoist mainly divide into lifting hook, rings, jack-up suction cup, clamp and hanging beam etc. through the cooperation use of hoist and hoist, can improve the efficiency of object transport greatly, but it still has following drawback in the in-service use:

1. the utility model discloses a utility model CN215755901U discloses a hoist sub-assembly for crane, the foundation platform, connect the main part, connect the auxiliary and get in touch down, the foundation platform is the cube structure, the top surface of foundation platform and the cable wire fixed connection of hoist, the bottom surface at the foundation platform is fixed to the lower couple, the front wall and the back wall of foundation platform all are equipped with connects the main part, the left side and the right side of foundation platform all are equipped with connects the auxiliary, the left side and the right side of foundation platform all are equipped with the rotating groove, connect the auxiliary and install in the rotating groove, the hoist can be adjusted according to the article size and the length that actually lifts by crane, be convenient for lift by crane various heavy objects, improve the convenience of use, but when actually using, a plurality of sub-assemblies of hoist are applicable to the heavy object that the shape is comparatively regular, such as the steel sheet, the heavy object that contains the couple, but when the hoist of comparatively irregular shape is carried out a crane, the couple of hoist is difficult to cooperate with a plurality of hanging positions of heavy object, often need to suspend by stranded wire rope to suspend in order to guarantee the stability in the suspension process, and comparatively difficult loading and unloading of wire rope, and unloading, reduce work efficiency;

2. when the hoist passes through wire rope and connects the heavy object, wire rope's length is comparatively fixed usually, and it is fixed to probably appear that the longer be not convenient for of wire rope connects, and wire rope leads to connection stability not good for short, and when fixing wire rope, is difficult to accurate control hoist and heavy object between wire rope's length, leads to lifting by crane the in-process, and the range of rocking of heavy object is great, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist that hoist was used, through assembling subassembly, hanging beam and hoist main part, solved the hoist when the in-service use, the hoist is difficult to a plurality of hanging positions of cooperation heavy object, especially to the comparatively anomalous heavy object of shape, need pass through wire rope auxiliary connection, the operation is comparatively wasted time and energy, and wire rope's length is difficult to and phase-match between the heavy object, is difficult to the problem of accurate control wire rope's length between hoist and the heavy object in the fixed course.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a lifting appliance for a crane, which comprises an assembly component, a lifting beam and a lifting appliance main body, wherein a threaded column is fixedly welded at the lower side of the assembly component, a lifting beam is sleeved on the outer peripheral surface of the threaded column, a plurality of lifting beams are sleeved on the outer peripheral surface of the threaded column, heavy objects can be suspended at different positions, and a plurality of positions can be suspended, so that the use flexibility is improved, a threaded rod is inserted and connected at the upper side of the lifting beam, the lifting beam and a support frame can be fixedly connected through the threaded rod, the stability reduction in the lifting process caused by the shaking of the lifting beam is avoided, a lifting appliance main body is arranged at the lower side of the lifting beam, a connecting frame is fixedly welded at the upper side of the lifting appliance main body, the connecting frame can drive the lifting appliance main body to move along the lifting beam, and the position of the lifting appliance main body is adjusted, the flexibility of use is improved, and simple structure, the processing ease, the link cup joints in the hanging beam outer peripheral face, hoist main part one side is run through the joint and is had the rotating turret, hoist main part bottom side has hung the couple, and is comparatively regular in the heavy object shape, when need not use wire rope, can directly suspend the heavy object in midair through the couple, and when the heavy object shape was comparatively irregular, rotatory rotating turret can unreel wire rope, and the length of adjustment wire rope is connected fixedly until wire rope, couple and heavy object, avoids because wire rope's length overlength or short lead to the inconvenience of operation, and the rolling wire rope is until tight state after connecting the heavy object, can avoid the wire rope overlength between heavy object and the hoist main part to lead to lifting by a wide margin and rock the reduction potential safety hazard in-process appearance.

Furthermore, a lifting lug is fixedly welded on the upper side of the assembling component, a positioning nut is screwed on the outer peripheral surface of the threaded column, a support frame is sleeved on the outer peripheral surface of the threaded column, and the support frame is positioned between the assembling component and the positioning nut;

the support frame can be rapidly taken down by screwing the positioning nut, the support frame is inserted into the outer peripheral face of the threaded column and is attached to the lower sides of the plurality of hanging beams, the positioning nut is screwed again to complete the installation of the hanging beams, the operation is simple and convenient, the hanging beams can be placed between the assembly component and the support frame as required, the heavy object can be conveniently suspended in multiple points, and the stability during the lifting is improved.

Furthermore, a socket is formed in the center of the upper side of the support frame in a penetrating mode, a first through hole is formed in the edge of the upper side of the support frame in a penetrating mode, and the threaded column penetrates and is inserted into the inner side of the socket in a penetrating mode;

after the hanging beam rotates, the position between the support frame and the hanging beam can be limited through the first through hole, stability reduction in the hanging process due to shaking of the hanging beam is avoided, and potential safety hazards are reduced.

Furthermore, a second through hole penetrates through the center of the upper side of the hanging beam, the threaded column penetrates through and is inserted into the inner side of the second through hole, and the hanging beam is positioned between the assembling component and the support frame;

the hanging beam can rotate in the horizontal direction as required, so that the difference between the positions of the hanging point and the hanger main body is large when multipoint connection is carried out, and the use flexibility is improved.

Furthermore, two sides of the hanging beam are provided with first limiting holes, a third through hole penetrates through the upper side of the hanging beam, the third through hole Kong Tie is combined on the upper side of the first through hole, the threaded rod sequentially penetrates through and is inserted into the third through hole and the inner side of the first through hole from top to bottom, a limiting nut is screwed on the outer peripheral surface of the threaded rod at the bottom of the support frame, and the limiting nut is attached to the lower side of the first through hole;

the hanging beam can use the screw thread post to carry out the rotation of horizontal direction as the axle center, and the hoist main part through a plurality of first spacing holes can adjust and the hanging beam between the position, be convenient for remove the hoist main part to the most suitable position and suspend in midair the heavy object, improve the flexibility of using.

Furthermore, a first limiting rod penetrates through and is inserted into two ends of the connecting frame, one end of the first limiting rod is clamped with a first reset spring, one end of the first reset spring is clamped outside the connecting frame, the other end of the first limiting rod is inserted into the first limiting hole, and the other end of the first limiting rod is located inside the connecting frame;

when adjusting hoist main part position, the first gag lever post of pulling makes it break away from first spacing downthehole to along hanging beam sliding connection frame to suitable position, remove the pulling to first gag lever post, can make first gag lever post insert first spacing downthehole through first reset spring, easy operation is convenient, improves the convenience of using.

Furthermore, a rotating hole is formed in one side of the lifting appliance main body in a penetrating mode, a second limiting hole is formed in one side of the lifting appliance main body and located on the outer side of the rotating hole, the rotating frame is connected to one side of the rotating hole in a penetrating mode, a rotating handle is fixedly welded to one end of the rotating frame in a welding mode, a second limiting rod is connected to one end of the rotating frame in a penetrating and inserting mode, a second reset spring is connected to one end of the second limiting rod in a clamping mode, one end of the second reset spring is connected to the outer side of the rotating frame in a clamping mode, the other end of the second limiting rod is connected to the inner side of the second limiting hole in an inserting mode, and the other end of the second limiting rod is located on the other side, opposite to the second reset spring, of the rotating frame;

after the length of the steel wire rope is adjusted, the second limiting rod can be pulled to be released, one end of the second limiting rod is inserted into the inner side of the second limiting hole to lock the position of the rotating frame under the elastic force action of the second reset spring, the operation is simple and convenient, and the labor intensity of workers is reduced.

Furthermore, a winding frame is fixedly clamped on the outer peripheral surface of the rotating frame, the winding frame is positioned on the inner side of the hanger main body, a steel wire rope is fixedly welded on the outer peripheral surface of the winding frame, the steel wire rope penetrates through and is inserted at the bottom end of the hanger main body, and the hook is fixedly welded at the bottom end of the steel wire rope;

when being connected through wire rope and heavy object, rotatory handle that rotates can unreel wire rope, avoids because wire rope length fixes to be connected when fixed being difficult to the operation, and connects fixed the completion back, makes it tight through rolling wire rope, can avoid because the wire rope overlength between hoist main part and the heavy object leads to lifting by crane in-process stability and descends, reduces the potential safety hazard.

The utility model discloses following beneficial effect has:

1. the utility model discloses a subassembly is assembled in the setting, hanging beam and hoist main part, it can adjust according to the article size and the length that actually lifts by crane to have solved the hoist, be convenient for lift by crane various different heavy objects, the convenience that improves the use, but when the in-service use, a plurality of sub-assemblies of hoist are mostly applicable to the comparatively regular heavy object of shape, such as steel sheet, the heavy object that contains the couple, but when the heavy object of comparatively irregular shape plays a crane, the couple of hoist is difficult to cooperate a plurality of hanging positions of heavy object, often need to cooperate wire rope to suspend in midair, with the stability of guaranteeing to suspend in midair the in-process, and wire rope's loading and unloading is comparatively wasted time and energy, reduce work efficiency's problem, a plurality of hanging beams can be pegged graft to the screw thread post outer peripheral face, a plurality of hoist main parts can be cup jointed to the hanging beam outer peripheral face, can improve the stability of suspending in midair the in-process through the point of suspending in midair between increase and the heavy object, and the hanging beam can carry out the rotation of horizontal direction as the axle center with the screw thread post, the hoist main part can slide along the hanging beam, make the hoist main part move to suitable position, the hoist main part has reduced the loading and unloading degree of difficulty when improving the flexibility of use, reduce staff's intensity of labour.

2. The utility model discloses a set up the hoist main part, solved when the hoist is connected the heavy object through wire rope, wire rope's length is comparatively fixed usually, it is fixed to probably appear that wire rope is longer not convenient for connect, wire rope leads to connection stability not good for short, and when fixing wire rope, be difficult to the length of wire rope between accurate control hoist and the heavy object, lead to lifting by crane the in-process, the range of rocking of heavy object is great, there is the problem of certain potential safety hazard, when needing wire rope and heavy object to connect, unreel wire rope as required, avoid because wire rope overlength or short lead to the operating difficulties or connection stability not good, after connecting fixed the completion, can carry out the rolling to wire rope and make the wire rope of pulling out the part tight, avoid because wire rope length overlength between hoist and the heavy object, the heavy object appears rocking easily when leading to lifting by crane, reduce the potential safety hazard.

Drawings

FIG. 1 is a structural effect diagram of the present invention;

FIG. 2 is a structural diagram of the assembly of the present invention;

FIG. 3 is a structural diagram of the hanging beam of the present invention;

fig. 4 is a structural diagram of the hanger main body of the utility model;

fig. 5 is a rear view of the hanger main body of the present invention.

Reference numerals:

1. assembling the components; 101. a threaded post; 102. lifting lugs; 103. a support frame; 104. a socket; 105. a first through hole; 106. positioning a nut; 2. a hanging beam; 201. a second through hole; 202. a threaded rod; 203. a third through hole; 204. a limit nut; 205. a first limit hole; 3. a hanger body; 301. a connecting frame; 302. hooking; 303. rotating the handle; 304. a first limit rod; 305. a first return spring; 306. a second limiting hole; 307. rotating the hole; 308. a rotating frame; 309. a wire rope; 310. a bobbin; 311. a second limiting rod; 312. a second return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention relates to a lifting device for a crane, which comprises an assembly component 1, a hanging beam 2 and a lifting device body 3, wherein a threaded post 101 is welded and fixed on the lower side of the assembly component 1, the hanging beam 2 is sleeved on the outer peripheral surface of the threaded post 101, a plurality of hanging beams 2 are sleeved on the outer peripheral surface of the threaded post 101 according to requirements, a support frame 103 is sleeved on the outer peripheral surface of the threaded post 101, and a positioning nut 106 is screwed to limit the plurality of hanging beams 2, a threaded rod 202 is inserted and connected on the upper side of the hanging beam 2, after the hanging beam 2 is rotated to a proper position, the threaded rod 202 is inserted into a third through hole 203 and a limiting nut 204 is screwed to fix the position between the hanging beam 2 and the assembly component 1, the lifting device body 3 is arranged on the lower side of the hanging beam 2, the upper side of the hanger main body 3 is fixedly welded with a connecting frame 301, the connecting frame 301 is sleeved on the outer peripheral surface of the hanging beam 2 and moved to a proper position as required, the first limiting rod 304 is released from being pulled, so that the position between the hanging beam 2 and the connecting frame 301 is locked, the connecting frame 301 is sleeved on the outer peripheral surface of the hanging beam 2, a rotating frame 308 is connected to one side of the hanger main body 3 in a penetrating and clamping mode, a hook 302 is hung on the bottom side of the hanger main body 3, the shape of a heavy object is regular, the heavy object is directly hung through the hook 302, when the shape of the heavy object is irregular, the rotating frame 308 is rotated to unreel a steel wire rope 309, the length of the steel wire rope 309 is adjusted, the steel wire rope 309, the hook 302 and the heavy object are connected and fixed, and the steel wire rope 309 is reeled until the steel wire rope is in a tight state.

As shown in fig. 1-2, a lifting lug 102 is welded and fixed on the upper side of the assembling component 1, a positioning nut 106 is screwed on the outer peripheral surface of the threaded column 101, a support frame 103 is sleeved on the outer peripheral surface of the threaded column 101, the support frame 103 is positioned between the assembling component 1 and the positioning nut 106, a socket 104 is penetratingly arranged in the center of the upper side of the support frame 103, a first through hole 105 is penetratingly arranged on the edge of the upper side of the support frame 103, and the threaded column 101 is penetratingly inserted into the inner side of the socket 104;

when the hanging beams 2 and the assembling component 1 are installed and connected, the positioning nuts 106 are screwed and taken down together with the support frames 103, the required number of hanging beams 2 are taken, the threaded columns 101 penetrate through the second through holes 201 and are inserted into the second through holes, the support frames 103 are inserted into the outer peripheral surfaces of the threaded columns 101, and the positioning nuts 106 are screwed again until the support frames 103 are attached to the lower sides of the hanging beams 2.

As shown in fig. 1 and 3, a second through hole 201 is formed in the center of the upper side of the hanging beam 2 in a penetrating manner, the threaded column 101 is inserted into the second through hole 201 in a penetrating manner, the hanging beam 2 is positioned between the assembling component 1 and the support frame 103, first limiting holes 205 are formed in two sides of the hanging beam 2, a third through hole 203 is formed in the upper side of the hanging beam 2 in a penetrating manner, the third through hole 203 is attached to the upper side of the first through hole 105, the threaded rod 202 is sequentially inserted into the third through hole 203 and the inner side of the first through hole 105 in a penetrating manner from top to bottom, a limiting nut 204 is screwed on the outer peripheral surface of the threaded rod 202 positioned at the bottom of the support frame 103, and the limiting nut 204 is attached to the lower side of the first through hole 105;

according to the shape of the needed suspended heavy object, the hanging beam 2 is horizontally rotated to a proper position along the threaded column 101, the threaded rod 202 penetrates through and is inserted into the third through hole 203 and the inner side of the first through hole 105, and the limiting nut 204 is screwed to be tightly attached to the lower side of the supporting frame 103, so that the relative position between the hanging beam 2 and the supporting frame 103 is fixed.

As shown in fig. 1, 4, and 5, a first limiting rod 304 is inserted through two ends of a connecting frame 301, a first return spring 305 is clamped at one end of the first limiting rod 304, one end of the first return spring 305 is clamped outside the connecting frame 301, the other end of the first limiting rod 304 is inserted in a first limiting hole 205, the other end of the first limiting rod 304 is located inside the connecting frame 301, a rotation hole 307 is formed through one side of a hanger body 3, a second limiting hole 306 is formed through one side of the hanger body 3, the second limiting hole 306 is located outside the rotation hole 307, a rotation frame 308 is inserted in one side of the rotation hole 307, a rotation handle 303 is fixed to one end of the rotation frame 308 by welding, a second limiting rod 311 is inserted through one end of the rotation frame 308, a second return spring 312 is clamped at one end of the second limiting rod 311, one end of the second return spring 312 is clamped outside the rotation frame 308, the other end of the second limiting rod 311 is inserted in the second limiting hole 306, the other end of the second limiting rod 311 is located on the other side of the rotation frame 308 opposite to the second return spring 312, a peripheral surface of a wire rope reel 309 is clamped and fixed to the wire rope reel 309, a hanger 310 is welded at the bottom end of the hanger body 310, and fixed to the hanger body 309, and a wire rope reel 309, the hanger 310 is welded at the bottom end of the hanger body 310;

when the position of the hanger main body 3 is adjusted, the plurality of hanger main bodies 3 are taken as required, the first limiting rod 304 is pulled, the connecting frame 301 penetrates and is inserted on the outer peripheral surface of the hanging beam 2, the hanger main body 3 is moved to a proper position, the pulling on the first limiting rod 304 is released, the first limiting rod 304 is inserted in the first limiting hole 205 in the corresponding position through the pulling force of the first limiting rod 304 by the first reset spring 305, the relative position between the hanging beam 2 and the hanger main body 3 is locked, the rotating handle 303 is rotated by taking the rotating frame 308 as an axis to unwind the steel wire rope 309, the heavy object is connected through the steel wire rope 309 and the hook 302, the rotating handle 303 is rotated reversely to wind the steel wire rope 309 to tighten the steel wire rope 309, and the connection between the heavy object and the hanger main body 3 is completed.

One specific application of this embodiment is: when the hanging beam 2 and the assembly component 1 are installed and connected, the positioning nuts 106 are screwed and taken down from the supporting frame 103, the required number of hanging beams 2 are taken, the threaded columns 101 penetrate through and are inserted in the second through holes 201, the supporting frame 103 is inserted in the outer peripheral surfaces of the threaded columns 101, the positioning nuts 106 are screwed again until the supporting frame 103 is attached to the lower sides of the hanging beams 2, the plurality of hanger main bodies 3 are taken as required, the first limiting rods 304 are pulled, the connecting frames 301 penetrate through and are inserted in the outer peripheral surfaces of the hanging beams 2, the lifting lugs 102 of the assembly component 1 and the crane are connected, when heavy objects are required to be hung, the plurality of hanging beams 2 are rotated to proper positions by taking the threaded columns 101 as axes according to the shapes of the heavy objects, the threaded rods 202 penetrate through and are inserted in the third through holes 203 and the inner sides of the first through holes 105, the limiting nuts 204 are screwed and tightly attached to the lower sides of the supporting frame 103, and the relative positions between the hanging beams 2 and the supporting frame 103 are fixed, pulling the first limiting rod 304 again, moving the hanger main body 3 to a proper position, releasing the pulling of the first limiting rod 304, enabling the first limiting rod 304 to be inserted into the first limiting hole 205 at the corresponding position through the pulling force of the first return spring 305 to the first limiting rod 304, locking the relative position between the hanging beam 2 and the hanger main body 3, pulling the second limiting rod 311 to be in contact with and lock the rotating frame 308, rotating the rotating handle 303 by taking the rotating frame 308 as an axis to unreel the steel wire rope 309, connecting the heavy object through the steel wire rope 309 and the hook 302, rolling the steel wire rope 309 by reversely rotating the rotating handle 303 to tighten the steel wire rope 309, completing the connection between the heavy object and the hanger main body 3, releasing the pulling force of the second limiting rod 311 to enable one end of the second limiting rod 311 to be inserted into the second limiting hole 306 at the corresponding position under the elastic force of the second return spring 312, the relative position between the turret 308 and spreader body 3 is locked.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a hoist that hoist was used, is including assembling subassembly (1), hanging beam (2) and hoist main part (3), its characterized in that: it has screw thread post (101) to assemble subassembly (1) downside welded fastening, screw thread post (101) outer peripheral face has cup jointed hanging beam (2), hanging beam (2) upside runs through grafting threaded rod (202), hanging beam (2) downside is provided with hoist main part (3), hoist main part (3) upside welded fastening has link (301), link (301) cup joint in hanging beam (2) outer peripheral face, hoist main part (3) one side is run through the joint and is had rotating turret (308), hoist main part (3) bottom side has hung hook (302).

2. A spreader for cranes according to claim 1, characterized in that: the assembling component (1) is fixedly welded with a lifting lug (102) on the upper side, the outer peripheral surface of the threaded column (101) is screwed with a positioning nut (106), the outer peripheral surface of the threaded column (101) is sleeved with a support frame (103), and the support frame (103) is located between the assembling component (1) and the positioning nut (106).

3. A spreader for cranes according to claim 2, characterized in that: the middle of the upper side of the support frame (103) is provided with a socket (104) in a penetrating mode, the edge of the upper side of the support frame (103) is provided with a first through hole (105) in a penetrating mode, and the threaded column (101) penetrates through and is inserted into the inner side of the socket (104).

4. A spreader for cranes according to claim 3, characterized in that: the center of the upper side of the hanging beam (2) is provided with a second through hole (201) in a penetrating mode, the threaded column (101) penetrates through and is inserted into the inner side of the second through hole (201), and the hanging beam (2) is located between the assembling component (1) and the supporting frame (103).

5. A spreader for a crane according to claim 3, wherein: first spacing hole (205) have been seted up to hanging beam (2) both sides, hanging beam (2) upside runs through and has seted up third through-hole (203), third through-hole (203) laminate in first through-hole (105) upside, threaded rod (202) from last to running through down in proper order and peg graft in third through-hole (203) and first through-hole (105) inboard, just threaded rod (202) are located the outer peripheral face of support frame (103) bottom and have been connect limit nut (204) on the top, limit nut (204) laminate in first through-hole (105) downside.

6. A spreader for cranes according to claim 5, characterized in that: the two ends of the connecting frame (301) are penetrated and inserted with first limiting rods (304), one end of each first limiting rod (304) is connected with a first reset spring (305) in a clamping mode, one end of each first reset spring (305) is connected to the outer side of the connecting frame (301) in a clamping mode, the other end of each first limiting rod (304) is inserted into a first limiting hole (205) in a clamping mode, and the other end of each first limiting rod (304) is located on the inner side of the connecting frame (301).

7. A spreader for cranes according to claim 1, characterized in that: the lifting appliance comprises a lifting appliance body (3), wherein one side of the lifting appliance body (3) is provided with a rotating hole (307) in a penetrating mode, one side of the lifting appliance body (3) is provided with a second limiting hole (306), the second limiting hole (306) is located on the outer side of the rotating hole (307), a rotating frame (308) is connected to one side of the rotating hole (307) in a penetrating mode, one end of the rotating frame (308) is fixedly welded with a rotating handle (303), one end of the rotating frame (308) is connected with a second limiting rod (311) in a penetrating and inserting mode, one end of the second limiting rod (311) is connected with a second reset spring (312) in a clamping mode, one end of the second reset spring (312) is connected to the outer side of the rotating frame (308), the other end of the second limiting rod (311) is connected to the inner side of the second limiting hole (306) in a penetrating mode, and the other end of the second limiting rod (311) is located on the other side of the rotating frame (308) relative to the second reset spring (312).

8. A spreader for a crane according to claim 1, wherein: the steel wire rope hanger is characterized in that a winding frame (310) is fixedly clamped on the outer peripheral surface of the rotating frame (308), the winding frame (310) is located on the inner side of the hanger main body (3), a steel wire rope (309) is fixedly welded on the outer peripheral surface of the winding frame (310), the steel wire rope (309) penetrates through the bottom end of the hanger main body (3) in an inserted mode, and the hook (302) is fixedly welded on the bottom end of the steel wire rope (309).

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