CN113387288B

CN113387288B - Steel wire rope for sling and control assembly thereof

Info

Publication number: CN113387288B
Application number: CN202110747509.2A
Authority: CN
Inventors: 张建强; 张茜
Original assignee: Taizhou Qiangda Stainless Steel Wire Rope Co ltd
Current assignee: Taizhou Qiangda Stainless Steel Wire Rope Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-04-05
Anticipated expiration: 2041-07-01
Also published as: CN113387288A

Abstract

The invention discloses a steel wire rope for a sling and a control assembly thereof, which comprise a portal frame, a sling control device, a mounting frame, a protection mechanism and a bearing plate, wherein the portal frame comprises a support frame, a mounting top plate arranged on the support frame and a supporting underframe arranged at the bottom of the mounting top plate, the sling control device is fixedly arranged at the top of the portal frame, and the sling control device comprises a protection frame fixedly assembled on the mounting top plate. In the invention, the sliding track and the protective frame can reduce the hard substances such as gravel and the like from entering the outer part and gaps of the steel wire rope, and prolong the service life of the steel wire rope, namely: when using steel wire rope, the workman drives the rotation of changeing the roller through starting the driving source, and a pair of coiler of rethread drive belt is one to carry out the transmission, recycles the drive belt and carries out the transmission to two pairs of coiler, transfers the cable, drives locating part one and barrier member and transfers along the slip track, utilizes barrier member to completely cut off the rubble, reduces the contact of rubble and rope.

Description

Steel wire rope for sling and control assembly thereof

Technical Field

The invention relates to the technical field of sling wire ropes, in particular to a sling wire rope and a control assembly thereof.

Background

The rigging is a force-bearing tool tied between the hoisting machine and the hoisted object for realizing the object moving and a force-bearing component for stabilizing the space structure. The rigging is widely applied to important industries such as ports, electric power, steel, shipbuilding, petrochemical industry, mines, railways and the like. The two ends of the traditional steel wire rope rigging are respectively provided with a cable buckle tied on the hoisting machine and the hoisted object, and the cable buckle is formed by folding the end part of the steel wire rope and pressing and fixing the folded end by adopting an aluminum alloy fixing sleeve. The steel wire rope body between the cable buckles at the two ends is of a single-rope structure.

The steel wire rope sling uses steel wire ropes as raw materials, comprises galvanized steel wire ropes, phosphatized coated steel wire ropes, stainless steel wire ropes, polished steel wire ropes and the like, and the rope buckles of the steel wire rope sling which is manually or mechanically spliced by a steel wire rope splicing machine and pressed by a steel wire rope pressing machine are called steel wire rope slings and are frequently used in building construction sites.

The existing steel wire rope for the sling is formed by winding a plurality of rope strands, when the steel wire rope is in a relaxed state, a large gap can be formed inside the steel wire rope, lubricating oil can be frequently used for the steel wire rope, the lubricating oil can be stained with hard substances such as gravel and the like to enter the outer part and the gap of the steel wire rope, so that the steel wire rope is abraded, the service life is prolonged, the hard substances such as gravel and the like can be clamped on other parts, the service life of the sling is prolonged, and the safety risk of workers on a construction site is increased.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

the utility model provides a wire rope and control assembly for hoist cable, includes portal frame, hoist cable controlling means, mounting bracket, protection machanism and loading board, the portal frame includes the support frame, installs the installation roof on the support frame and installs in the support chassis of installation roof bottom, hoist cable controlling means sets firmly in the top of portal frame, hoist cable controlling means includes fixed assembly in the protection frame on the installation roof, sets firmly slewing mechanism in the protection frame, install the device of paining on the installation roof and set up on the installation roof and the inboard drive mechanism of protection frame, the mounting bracket welds in installation roof bottom, protection machanism fixed mounting is in the bottom of installation roof, loading board fixed mounting is in installation roof lower extreme.

The present invention in a preferred example may be further configured to: the slewing mechanism includes fixed plate fixed assembly on the installation roof, offer the draw-in groove of fixed plate inner wall, install in the inboard commentaries on classics roller of draw-in groove and assemble in the driving source of changeing the roller outer end.

Through adopting above-mentioned technical scheme, the workman can carry out the transmission to the commentaries on classics roller through starting the driving source to the realization is to receiving and releasing of wire rope, and the driving source can realize the shrink control to the separation piece through the transmission to drive mechanism, and the workman can adjust the position in the draw-in groove at the both ends of changeing the roller simultaneously, changes the commentaries on classics roller that can adapt to different intensity.

The present invention in a preferred example may be further configured to: the smearing device comprises a device base fixedly assembled at the top of the installation top plate, a fixing buckle arranged on the device base, a smearing roller assembled on the inner side of the device base, a rolling brush arranged on the inner side of the smearing roller and a feeding port arranged on the smearing roller.

Through adopting above-mentioned technical scheme, wire rope is through long-time use, and the surface can produce the rust stain, so can add when using on slewing mechanism and produce excessive friction easily, the workman can be through adding emollient on the pan feeding mouth, thereby the emollient drips on the round brush that each layer set up along the inner wall of smearing the roller, when flexible transferring, conveniently oils the rope, utilizes the fixed knot to fix smearing the roller simultaneously.

The present invention in a preferred example may be further configured to: the transmission mechanism comprises a first transmission belt assembled outside the rotating roller, a transmission part installed at one end of the first transmission belt, a clamping plate fixedly arranged on the installation top plate, a first retractor assembled on the inner side of the clamping plate, a second transmission belt assembled at one end of the first retractor, a second retractor assembled at one end of the second transmission belt, and a pull rope installed inside the first retractor and the second retractor.

Through adopting above-mentioned technical scheme, install the separation piece through the upper and lower both ends at the connecting piece and can realize the isolation to debris such as rubble, reduce debris such as rubble and be infected with or go into the condition in wire rope internal clearance, the rethread is provided with drive mechanism and can realizes receiving and releasing to the separation piece, and the workman drives the rotation of commentaries on classics roller through starting the driving source, and a pair of coiler of rethread drive belt is one to carry out the transmission, recycles two pairs of coiler of drive belt and carries out the transmission, has realized the shrink control to the cable, the bottom assembly of cable is in the lower extreme of circle frame, and when the workman started the driving source, the cable can drive locating part one, connecting piece and separation piece upwards shrink.

The present invention in a preferred example may be further configured to: the protection mechanism is divided into a sliding rail and a first limiting part, the sliding rail is vertically and downwards fixedly assembled, and the first limiting part is installed on the inner side of the top of the sliding rail.

Through adopting above-mentioned technical scheme, can make things convenient for the use of locating part one through being provided with the slip track, locating part one is installed in the connecting piece inboard through fixing bolt, when using, can slide at the inboard of slide rail through the sliding block.

The present invention in a preferred example may be further configured to: the sliding track comprises a protective frame, a sliding rail assembled on the inner side of the protective frame, a sliding block assembled on the inner side of the sliding rail, a connecting piece welded on the outer portion of the sliding block, blocking pieces assembled on the upper end and the lower end of the connecting piece and fixing pieces welded on the outer portion of the protective frame.

Through adopting above-mentioned technical scheme, utilize setting up of protective frame and slide rail to form fixed frame, rethread sliding block drives the connecting piece and realizes the slip inboard at the slide rail, and the workman recycles the mounting and realizes the concatenation installation with the slide rail, can utilize the external rubble of separation piece separation during the use, reduces the contact of rubble and steel wire rope.

The present invention in a preferred example may be further configured to: the first limiting part comprises a connecting frame fixedly arranged on the inner side of the connecting piece, a round frame arranged on the connecting frame, a fixing bolt penetrating through the connecting frame and the fixing ring, a fixing ring assembled on the inner side of the connecting frame and a second limiting part arranged on the inner side of the fixing ring.

Through adopting the above technical scheme, can realize spacing to steel wire rope through being provided with locating part one, in the use of rope, if the condition of vibration appears, rope and the too much phenomenon of slip track contact can appear, utilize link and fixed bolt to make things convenient for locating part one to install in the orbital inboard that slides, the solid fixed ring of rethread is conveniently installed locating part two, the arc bottom surface and the rope contact of rethread utilization locating part two, reduce rope and the orbital clashing of sliding, when the life of extension rope, orbital damage probability of sliding has also been reduced.

The present invention in a preferred example may be further configured to: the connecting piece is the hexagon, the sliding block is installed on each summit of hexagon, the notch has all been seted up at the upper and lower both ends of connecting piece, the connecting piece passes through nut fixed mounting in the protection frame inboard.

Through adopting above-mentioned technical scheme, through setting up the connecting piece into the hexagon, make protection machanism overall structure more stable, conveniently install the separation piece through the notch of seting up, the slip track has a lot of sections, and the connecting piece is the node of each section of slip track, and locating part one is installed to its inboard, and cooperation locating part one makes the separation piece more stable simultaneously, makes the separation piece reduce the condition that the windward flutter appears.

The present invention in a preferred example may be further configured to: the two blocking parts are respectively arranged at the top and the bottom of the connecting part along the vertical direction, the blocking parts are assembled by adopting folding plastic cloth, and the transmission mechanism can realize the contraction control of the blocking parts through driving.

Through adopting above-mentioned technical scheme, through setting up the separation piece into foldable plastic cloth equipment, can conveniently realize the shrink effect to the separation piece, when needs use, the workman can contract the separation piece through starting the driving source.

The present invention in a preferred example may be further configured to: a limiting frame is arranged above the transmission mechanism and is in a triangular shape.

Through adopting above-mentioned technical scheme, when slewing mechanism receive and releases the steel wire rope, the rope can produce the scratch phenomenon to the top of paining the device, through being provided with spacing as the separation thing, reduces the rope and produces the possibility of destruction to paining the device, utilizes triangle-shaped's apex angle to carry on spacingly to the rope, prevents that the rope from sliding to both sides.

The beneficial effects obtained by the invention are as follows:

1. in the invention, the sliding track and the protective frame can reduce the hard substances such as gravel and the like from entering the outer part and gaps of the steel wire rope, and prolong the service life of the steel wire rope, namely: when using steel wire rope, the workman drives the rotation of changeing the roller through starting the driving source, and a pair of coiler of rethread drive belt is one to carry out the transmission, recycles the drive belt and carries out the transmission to two pairs of coiler, transfers the cable, drives locating part one and barrier member and transfers along the slip track, utilizes barrier member to completely cut off the rubble, reduces the contact of rubble and rope.

2. In the invention, in the using process of the steel wire rope, the scraping phenomenon between the steel wire rope and the sliding track is reduced by arranging the limiting part I, namely: the workman is provided with locating part one through the top at each section slip track, recycles fixing bolt and fixes link and solid fixed ring, when the rope is transferred, gu fixed ring and locating part are spacing to it, reduce the area of contact of wire rope and other articles.

3. In the using process of the steel wire rope, the steel wire rope is oiled by the smearing device, namely: carry on spacingly to the rope through spacing, the workman can add emollient to paining the roller through the pan feeding mouth, and on the emollient drippage the round brush, the rope got into the inboard of paining the roller through the top of paining the device, when the rope moves down, the round brush can paint its surface, utilizes fixed the knot to paint the roller simultaneously and fixes with spacingly, reduces because the frictional force of rope bumps down and paints the device.

4. According to the invention, the first limiting part and the first blocking part are contracted and released through the transmission mechanism, so that the loss of the blocking part in a suspension state when the device is not used is reduced, namely: drive a pair of driving medium of drive belt through the driving source and carry out the transmission, recycle drive belt two and drive coiler two and coiler one and contract the cable, the cable receives the pulling force after, drives and installs connecting piece and the separation piece upwards shrink outside locating part one, until contracting inside the mounting bracket.

Drawings

FIG. 1 is an overall schematic view of one embodiment of the present invention;

FIG. 2 is a schematic view of a gantry of one embodiment of the present invention;

FIG. 3 is a schematic view of a mount of one embodiment of the present invention;

FIG. 4 is a schematic view of a sling control device according to one embodiment of the present invention;

FIG. 5 is a partial schematic view of one embodiment of the present invention;

FIG. 6 is a schematic view of a rotation mechanism and a transmission mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of an application device according to one embodiment of the present invention;

FIG. 8 is a schematic view of a shielding mechanism according to one embodiment of the present invention;

fig. 9 is a schematic view of a sliding rail and a limiting member according to an embodiment of the invention.

Reference numerals:

100. a gantry; 110. a support frame; 120. installing a top plate; 130. a support chassis;

200. a sling control device; 210. a protective frame; 220. a rotating mechanism; 230. a painting device; 240. a limiting frame; 250. a transmission mechanism;

221. a fixing plate; 222. a card slot; 223. rotating the roller; 224. a drive source;

231. a device base; 232. a fixing buckle; 233. a coating roller; 234. rolling and brushing; 235. a feeding port;

251. a first transmission belt; 252. a transmission member; 253. clamping a plate; 254. a first coiler; 255. a second transmission belt; 256. a second retractor; 257. a cable;

300. a mounting frame;

400. a protection mechanism; 410. a sliding track; 420. a first limiting part;

411. a protective frame; 412. a slide rail; 413. a slider; 414. a connecting member; 415. a barrier; 416. a fixing member;

421. a connecting frame; 422. a round frame; 423. fixing the bolt; 424. a fixing ring; 425. a second limiting part; 500. a carrier plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.

The following describes a steel cable for a sling and a control assembly thereof according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, 2, 3, 4, 5, 6, and 7, the steel wire rope for a sling and a control assembly thereof according to the present invention includes a portal frame 100, a sling control device 200, a mounting frame 300, a protection mechanism 400, and a bearing plate 500, wherein the portal frame 100 includes a support frame 110, a mounting top plate 120 mounted on the support frame 110, and a support bottom frame 130 mounted at the bottom of the mounting top plate 120, the sling control device 200 is fixedly mounted at the top of the portal frame 100, the sling control device 200 includes a protection frame 210 fixedly mounted on the mounting top plate 120, a rotation mechanism 220 fixedly mounted in the protection frame 210, a smearing device 230 mounted on the mounting top plate 120, and a transmission mechanism 250 disposed on the mounting top plate 120 and inside the protection frame 210, the mounting frame 300 is welded at the bottom of the mounting top plate 120, the protection mechanism 400 is fixedly mounted at the bottom of the mounting top plate 120, the bearing plate 500 is fixedly installed at the lower end of the installation top plate 120, the limiting frame 240 is arranged above the transmission mechanism 250, the limiting frame 240 is triangular, the rotating mechanism 220 can wind and release the steel wire rope, the rope can scratch the top of the smearing device 230, the limiting frame 240 serves as a barrier, the possibility that the rope damages the smearing device 230 is reduced, the top angle of the triangle is used for limiting the rope, and the rope is prevented from sliding towards two sides.

The rotating mechanism 220 comprises a fixing plate 221 fixedly assembled on the installation top plate 120, a clamping groove 222 arranged on the inner wall of the fixing plate 221, a rotating roller 223 installed on the inner side of the clamping groove 222 and a driving source 224 assembled at the outer end of the rotating roller 223, a worker can drive the rotating roller 223 by starting the driving source 224 so as to realize winding and unwinding of a steel wire rope, the driving source 224 can realize contraction control on the blocking piece 415 by driving the transmission mechanism 250, and meanwhile, the worker can adjust the positions of two ends of the rotating roller 223 in the clamping groove 222 so as to replace the rotating roller 223 which can adapt to different strengths.

The surface of the steel wire rope may be rusted after long-term use, so that excessive friction is easily generated when the steel wire rope is used on the rotating mechanism 220, a worker can add a lubricant to the material inlet 235, the lubricant drops on the rolling brush 234 arranged on each layer along the inner wall of the smearing roller 233, when the steel wire rope is placed in a telescopic mode, oiling is conveniently performed on the steel wire rope, meanwhile, the smearing roller 233 is fixed through the fixing buckle 232, the smearing device 230 comprises a device base 231 fixedly assembled at the top of the installation top plate 120, the fixing buckle 232 arranged on the device base 231, the smearing roller 233 arranged on the inner side of the device base 231, the rolling brush 234 arranged on the inner side of the smearing roller 233 and the material inlet 235 arranged on the smearing roller 233.

The upper end and the lower end of the connecting piece 414 are provided with the blocking piece 415, so that the impurities such as broken stones can be isolated, the situation that the impurities such as the broken stones are polluted or clamped into the inner gap of the steel wire rope is reduced, the blocking piece 415 can be retracted and released by arranging the transmission mechanism 250, a worker drives the rotating roller 223 to rotate by starting the driving source 224, the first retractor 254 is driven by the first transmission belt 251, the second retractor 256 is driven by the second transmission belt 255, the contraction control of the cable 257 is realized, the bottom of the cable 257 is assembled at the lower end of the round frame 422, when the worker starts the driving source 224, the cable 257 can drive the first limiting piece 420, the connecting piece 414 and the blocking piece 415 to contract upwards, the transmission mechanism 250 comprises the first transmission belt 251 assembled outside the rotating roller 223, a transmission piece 252 installed at one end of the first transmission belt 251, and a clamping plate 253 fixedly arranged on the mounting top plate 120, The retractor I254 is assembled on the inner side of the snap plate 253, the transmission belt II 255 is assembled at one end of the retractor I254, the retractor II 256 is assembled at one end of the transmission belt II 255, and the traction cable 257 is installed inside the retractor I254 and the retractor II 256.

Example two:

with reference to fig. 8 and 9, on the basis of the first embodiment, the protection mechanism 400 is divided into a sliding rail 410 and a first limiting member 420, the sliding rail 410 is vertically and downwardly fixedly assembled, the first limiting member 420 is installed on the inner side of the top of the sliding rail 410, the first limiting member 420 can be conveniently used by providing the sliding rail 410, the first limiting member 420 is installed on the inner side of the connecting member 414 through a fixing bolt 423, and when in use, the first limiting member can slide on the inner side of the sliding rail 412 through a sliding block 413.

The protective frame 411 and the sliding rail 412 are erected to form a fixed frame, the sliding block 413 is used for driving the connecting piece 414 to slide on the inner side of the sliding rail 412, a worker uses the fixing piece 416 to splice and install the sliding rail 410, the blocking piece 415 can be used for blocking external broken stones during use, contact between the broken stones and a steel wire rope is reduced, and the sliding rail 410 comprises the protective frame 411, the sliding rail 412 assembled on the inner side of the protective frame 411, the sliding block 413 assembled on the inner side of the sliding rail 412, the connecting piece 414 welded to the outer portion of the sliding block 413, the blocking pieces 415 assembled on the upper end and the lower end of the connecting piece 414, and the fixing piece 416 welded to the outer portion of the protective frame 411.

The steel wire rope can be limited by arranging the limiting piece I420, and in the using process of the rope, if vibration occurs, the phenomenon that the rope is in excessive contact with the sliding rail 410 occurs, the first limiting part 420 is conveniently installed on the inner side of the sliding rail 410 by using the connecting frame 421 and the fixing bolt 423, the second limiting part 425 is conveniently installed by using the fixing ring 424, the arc-shaped bottom surface of the second limiting part 425 is contacted with the rope, the collision between the rope and the sliding rail 410 is reduced, the service life of the rope is prolonged, and meanwhile, the damage probability of the sliding rail 410 is also reduced, the first limiting member 420 includes a connecting frame 421 fixedly disposed on the inner side of the connecting member 414, a circular frame 422 disposed on the connecting frame 421, a fixing pin 423 inserted into the connecting frame 421 and the fixing ring 424, a fixing ring 424 assembled on the inner side of the connecting frame 421, and a second limiting member 425 mounted on the inner side of the fixing ring 424.

The connecting piece 414 is hexagonal, the sliding block 413 is installed on each vertex of hexagon, the notch has all been seted up at the upper and lower both ends of connecting piece 414, connecting piece 414 passes through nut fixed mounting in protection frame 411 inboard, through setting up connecting piece 414 into the hexagon, makes protection machanism 400 overall structure more stable, conveniently installs separation piece 415 through the notch of seting up, slip track 410 has a lot of sections, and connecting piece 414 is the node of each section of slip track 410, and a locating part 420 is installed to its inside, and a locating part 420 of cooperation simultaneously makes separation piece 415 more stable, makes separation piece 415 reduce the condition that the upwind waves appears.

It should be noted that, when the blocking member 415 is suspended at the bottom of the mounting frame 300, the blocking member 415 has poor stability and is easily influenced by air flow to be inclined, and by providing a limiting member 420 at each section of the top of the sliding rail 410, each section of the sliding rail 410 can have a counterweight node, thereby enhancing the stability thereof

The two blocking parts 415 are respectively installed at the top and the bottom of the connecting part 414 along the vertical direction, the blocking parts 415 are assembled by using folding plastic cloth, the transmission mechanism 250 can realize the contraction control of the blocking parts 415 through driving, the blocking parts 415 are assembled by using the folding plastic cloth, the contraction effect of the blocking parts 415 can be conveniently realized, and when the folding plastic cloth is required to be used, a worker can contract the blocking parts 415 by starting the driving source 224.

The working principle and the using process of the invention are as follows: during the use, when using the steel wire rope, the workman rotates the rotation of roller 223 through the drive of start driving source 224, rethread drive belt 251 is driven a coiler 254, it drives two 255 coiler 256 transmissions to recycle drive belt, transfer the cable, drive locating part 420 and barrier piece 415 and transfer along slip track 410, utilize barrier piece 415 to completely cut off the rubble, reduce the contact of rubble and rope, the workman is provided with locating part 420 through the top at each section slip track 410, it fixes link 421 and solid fixed ring 424 to recycle fixed bolt 423, when the rope is transferred, gu fixed ring 424 and two 425 carry out spacingly to it, reduce the area of contact of wire rope and other article.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A wire rope for a sling and a control assembly thereof, characterized by comprising:

the gantry (100) comprises a support frame (110), a mounting top plate (120) mounted on the support frame (110) and a support underframe (130) mounted at the bottom of the mounting top plate (120);

the sling control device (200) is fixedly arranged at the top of the portal frame (100), and the sling control device (200) comprises a protective frame (210) fixedly assembled on the installation top plate (120), a rotating mechanism (220) fixedly arranged in the protective frame (210), a smearing device (230) arranged on the installation top plate (120) and a transmission mechanism (250) arranged on the installation top plate (120) and on the inner side of the protective frame (210);

the rotating mechanism (220) comprises a fixed plate (221) fixedly assembled on the mounting top plate (120), a clamping groove (222) formed in the inner wall of the fixed plate (221), a rotating roller (223) installed on the inner side of the clamping groove (222) and a driving source (224) assembled at the outer end of the rotating roller (223);

the transmission mechanism (250) comprises a first transmission belt (251) assembled outside the rotating roller (223), a transmission member (252) installed at one end of the first transmission belt (251), a clamping plate (253) fixedly arranged on the installation top plate (120), a first retractor (254) assembled on the inner side of the clamping plate (253), a second transmission belt (255) assembled at one end of the first retractor (254), a second retractor (256) assembled at one end of the second transmission belt (255) and a pull cable (257) installed inside the first retractor (254) and the second retractor (256);

the mounting frame (300), the mounting frame (300) is welded at the bottom of the mounting top plate (120);

the protection mechanism (400) is fixedly installed at the bottom of the installation top plate (120), the protection mechanism (400) is divided into a sliding rail (410) and a first limiting piece (420), the sliding rail (410) is vertically and downwards fixedly assembled, and the first limiting piece (420) is installed on the inner side of the top of the sliding rail (410);

the sliding track (410) comprises a protective frame (411), a sliding rail (412) assembled on the inner side of the protective frame (411), a sliding block (413) assembled on the inner side of the sliding rail (412), a connecting piece (414) welded to the outer part of the sliding block (413), blocking pieces (415) assembled on the upper end and the lower end of the connecting piece (414) and fixing pieces (416) welded to the outer part of the protective frame (411);

the two blocking pieces (415) are respectively arranged at the top and the bottom of the connecting piece (414) along the vertical direction, the blocking pieces (415) are assembled by adopting folding plastic cloth, and the transmission mechanism (250) can realize the contraction control of the blocking pieces (415) through driving;

the bearing plate (500), bearing plate (500) fixed mounting is in installation roof (120) lower extreme.

2. The steel wire rope for the sling according to claim 1, wherein the smearing device (230) comprises a device base (231) fixedly assembled on the top of the installation top plate (120), a fixing buckle (232) arranged on the device base (231), a smearing roller (233) assembled on the inner side of the device base (231), a rolling brush (234) arranged on the inner side of the smearing roller (233), and a feeding port (235) formed on the smearing roller (233).

3. The steel wire rope for the sling according to claim 1, wherein the first limiting member (420) comprises a connecting frame (421) fixedly arranged at the inner side of the connecting member (414), a round frame (422) arranged on the connecting frame (421), a fixing bolt (423) penetrating through the connecting frame (421) and the fixing ring (424), the fixing ring (424) assembled at the inner side of the connecting frame (421), and a second limiting member (425) arranged at the inner side of the fixing ring (424).

4. The steel wire rope for the sling according to claim 1, wherein the connecting member (414) is hexagonal, the sliding block (413) is mounted on each vertex of the hexagon, the upper end and the lower end of the connecting member (414) are provided with notches, and the connecting member (414) is fixedly mounted on the inner side of the protective frame (411) through nuts.

5. The steel wire rope for the sling according to claim 1, wherein a limiting frame (240) is arranged above the transmission mechanism (250), and the limiting frame (240) is triangular.