CN204022269U - The structure of 40 tons of vertical slings of coil - Google Patents

Abstract

The utility model provides the structure of the vertical sling of a kind of 40 tons of coils, between two side plates of the template transverse arm of the housing that the pressure tongue of the convex of this suspender is located at, and be connected rotationally by connecting bearing pin, convex presses the large convex top periphery of tongue to be provided with removable pressure tongue wear resistant toothed plate by high strength bolt, at the box transverse arm of housing and the template transverse arm respective side of housing, by high strength bolt, is provided with removable suspender wear resistant toothed plate; Convex presses the little convex end of tongue to be connected with high-strength shackle, and high-strength shackle is connected with main hoisting rope, and the outer middle side part of the intermediate arm of housing is provided with suspension hook, with secondary hoist cable hook.Beneficial effect is this suspender from heavy and light, load is large, intensity is high, the life-span is long, easy and simple to handle, safe and reliable, be easy to M R.This suspender has greatly reduced work capacity and work-hours, and originally welding one group of wear-resisting tooth at least needs 2 hours, and the replacing of monoblock wear resistant toothed plate only can complete with a few minutes now.

Description

The structure of 40 tons of vertical slings of coil

Technical field

The utility model relates to a kind of suspender, particularly the structure of the vertical sling of a kind of 40 tons of coils.

Background technology

In recent years, company's steel particularly coiled steel operation amount increase year by year, are recognized the beginning of this year by shipping department, and within 2014, coil loading and unloading capacity will increase more than 20% than 2013.And in the process of coil collection port, train collection port working out increases, particularly the quantity of overweight coil (certainly focusing between 29.5-34 ton) will significantly improve.

The coil goods class of institute's operation in the past, single-piece is from weight average below 30 tons, so the instrument that my company is applied to this goods class operation is all the rated load designs according to 30 tons.In use find, suspender wear plate is without hot-cured low-alloy plates, is directly welded on suspender housing, and wear-resisting tooth is to make with common thin round steel, is welded on wear plate and presses on the contact surface of tongue and coil.In operation process, because wear-resisting tooth intensity is limited, through extruding several times, will deform, difficultly play abrasionproof, anti-skidding effect, can only again weld in situ round steel, carry out such maintenance after suspender reuse.In the situation that working out is larger, abrasion factor is higher, maintenance capacity is larger, directly affects the progress of operation.

Summary of the invention

For structural deficiency in prior art, the purpose of this utility model is to provide the structure of the vertical sling of a kind of 40 tons of coils, for the convenient, fast 40 tons of following vertical dress coils of deadweight of unloading, extends the service life of suspender.

For achieving the above object, the technical solution adopted in the utility model is to provide the structure of the vertical sling of a kind of 40 tons of coils, wherein: the structure of this suspender includes housing and the convex that main body is box ㄈ shape and presses tongue, described housing is the template transverse arm of housing and the box transverse arm of housing at intermediate arm and both ends, between two side plates of the template transverse arm of the housing that the pressure tongue of described convex is located at, and be connected rotationally by connecting bearing pin, described convex presses the large convex top periphery of tongue to be provided with removable pressure tongue wear resistant toothed plate by high strength bolt, at the box transverse arm of described housing and the template transverse arm respective side of housing, by high strength bolt, be provided with removable suspender wear resistant toothed plate, described convex presses the little convex end of tongue to be connected with high-strength shackle, and high-strength shackle is connected with main hoisting rope, and the outer middle side part of the intermediate arm of described housing is provided with suspension hook, with secondary hoist cable hook.

Effect of the present utility model is that this suspender is large from heavy and light, load; Intensity is high, the life-span is long; Easy and simple to handle, safe and reliable; Be easy to M R.This suspender is conducted oneself with dignity approximately 1.5 tons, 40 tons of maximum rated loads, and main body selects low alloy steel plate to be made, and meets Metal Structure Design code requirement.In use, find that loosening phenomenon appears in wear resistant toothed plate, available track wrenches is tightened tie bolt in time, and after making its connection fastening, place in operation, can not incur loss through delay production time at once.Simple for structure, in routine inspection, by naked, depending on being the state of each parts of observable, pinpointing the problems and safeguard in time, remove a hidden danger.With respect to the improvement of the damageable zones such as the wear-resisting tooth of former suspender, new suspender has greatly reduced work capacity and work-hours, and originally welding one group of wear-resisting tooth at least needs 2 hours, and the replacing of monoblock wear resistant toothed plate is now only with a few minutes.

Accompanying drawing explanation

Fig. 1 is hanger structure schematic diagram of the present utility model;

Fig. 2 is vertical sling unloading coil schematic diagram of the present utility model;

Fig. 3 is vertical sling upset coil schematic diagram;

Fig. 4 takes off suspender schematic diagram after upset.

In figure:

1, main hoisting rope 2, joining shackle 3, convex are pressed tongue 4, are connected bearing pin

5, press tongue wear resistant toothed plate 6, high strength bolt 7, suspender wear resistant toothed plate 8, housing

9, the template transverse arm B of suspension hook 10, secondary hoist cable A, housing, the box transverse arm of housing

The specific embodiment

By reference to the accompanying drawings the structure of the vertical sling of 40 tons of coils of the present utility model is illustrated.

As shown in Figure 1, the structure of the vertical sling of 40 tons of coils of the present utility model, the structure of this suspender includes housing 8 and the convex that main body is box ㄈ shape and presses tongue 3, the template transverse arm A of the housing that described housing 8 is intermediate arm and both ends and the box transverse arm B of housing, between two side plates of the template transverse arm A of the housing that the pressure tongue 3 of described convex is located at, and be connected rotationally by connecting bearing pin 4, described convex presses the large convex top periphery of tongue 3 to be provided with removable pressure tongue wear resistant toothed plate 5 by high strength bolt 6, at the box transverse arm B of described housing and the template transverse arm A respective side of housing, by high strength bolt 6, be provided with removable suspender wear resistant toothed plate 7, guaranteeing, under coil and the not impaired prerequisite of jig contact surface, to have increased friction force.Described convex presses the little convex end of tongue 3 to be connected with high-strength shackle 2, and high-strength shackle 2 is connected with main hoisting rope 1, and the outer middle side part of the intermediate arm of described housing 8 is provided with suspension hook 9, with secondary hoist cable 10 hooks.

The process that the structure of the vertical sling of 40 tons of coils of the present utility model realizes:

20 tons of vertical dress modes of the many employings of above coils of common train transportation deadweight are that coil axially bored line is vertical with bottom surface, compartment; and coil adopts and lies that to put form coil axially bored line parallel to the ground when deposit in goods yard and ship; therefore, unload train and use the operation of unloading of vertical coil steel suspender.For the 30 tons of above coils of deadweight of unloading, for this kind of coil goods that deadweight is larger, for guaranteeing the safety of operation, work flow by train-goods yard is decomposed into two steps, the one, with vertical sling, vertical coil steel is stood and hangs goods yard, the 2nd, with vertical sling, vertical coil steel is turned into horizontally, coil is the form of lying and putting, and stores up.

For above-mentioned situation, the structure rated load of the vertical sling of 40 tons of coils of the present utility model is 35 tons, as Fig. 1, shown in 2, this suspender main body is box-structure, adopt low-alloy plates to be welded into the housing 8 of ㄈ shape, housing 8 is the template transverse arm A of housing and the box transverse arm B of housing at intermediate arm and both ends, in the template transverse arm transverse arm A of the housing of housing 8 two side plates between position convex be installed pressed tongue 3, the two is bound up by connecting bearing pin 4, housing 8 presses tongue 3 to rotate around being connected bearing pin 4 with convex, convex presses tongue 3 large convex top, one end peripheries, by high strength bolt 6, removable pressure tongue wear resistant toothed plate 5 has been installed, guaranteeing under coil and the not impaired prerequisite of jig contact surface, increased friction force.The box transverse arm B of the housing of housing 8 is box, also by high strength bolt 6, removable suspender wear resistant toothed plate 7 has been installed with the contact site of coil.The space position of the large convex part of convex pressure tongue 3 in the transverse arm A of housing, the little convex of the outer end of convex pressure tongue 3, in the outside of the template transverse arm transverse arm A of the housing of housing 8, is connected with main hoisting rope 1 by high-strength shackle 2.On the outer surface of the intermediate arm of housing 8, be welded with suspension hook 9, for the secondary hoist cable 10 of hook.

During use, operating personal is by the main rope hoist cable 1 of suspender, secondary wire rope sling 10 together hangs on hoisting crane gib head, the other end of secondary hoist cable 10 is connected with suspension hook 9, by manipulating crane, hoist and with rotating mechanism, the housing of suspender 8 is placed into and stands up coil end face top, suspender band convex presses one end of tongue 3 to insert in coil aperture, the secondary hoist cable 10 that is hung on suspension hook 9 is taken, manipulating crane lifting mechanism, slowly promote hoist rope, by main hoisting rope 1, drive convex to press tongue 3 to rotate around connecting bearing pin 4, make convex press tongue 3 convex arcs, the box transverse arm B of the housing of housing 8 housings clamps coil body, confirm after clamping firmly, again handle crane hoisting and rotating mechanism, coil unloading is arrived to goods yard.

While carrying out turning over coiled steel operation, only need be by suspender horizontal rotary turnback, press one end of tongue 3 to be seated in coil outside suspender band convex, the secondary hoist cable 10 that is hung on suspension hook 9 is taken, hoisting crane slowly hoists, and coil one end built on stilts is handled hoisting crane rotation and lifting mechanism, take ground terminal as axle rotation, turning over coiled steel can be become to horizontal.

The improvement of this suspender: consider that suspender in use, two positions that contact, clamp lifting coil with coil press tongue wear resistant toothed plate 5 and suspender wear resistant toothed plate 7 due to stressed larger, the phenomenon of easily wearing and tearing, in the structure of the vertical sling of 40 tons of coils of the present utility model, wear plate and wear-resisting meshing being integrated are called tongue wear resistant toothed plate 5, and press tongue 3 and housing 8 to be designed to respectively unitized construction convex, by pressing, tongue main body and pressure tongue wear resistant toothed plate 5 form convex pressure tongue 3, housing 8 is comprised of housing body and housing wear resistant toothed plate 7.For the operation of performance wear resistant toothed plate, reduce tool damage rate and maintenance capacity, elite with 35CrMo material making wear resistant toothed plate.This material has the following advantages:

35CrMo is alloy structureal steel, has very high static strength, dynamic ductility and higher fatigue limit, and quenching degree is higher, is generally used for the working component under large load, and weldability is poor.

According to the work characteristics of suspender, meeting under the prerequisite of requirement of strength, press tongue 3 to be designed to fitfull arc convex, can alleviate like this deadweight of suspender.35CrMo wear resistant toothed plate carries out quenching heat treatment, make it have higher intensity and toughness, with high strength bolt 6, be fixed on suspender housing transverse arm B and the large convex arc of convex pressure tongue 3, once damage, can directly more renew parts, not only save maintenance time, and alleviated maintainer's labour intensity, also overcome the poor problem of this material weldability simultaneously.

This suspender place in operation at the beginning of 2014, has completed the car unloading operations of 20 tons of above coils of single-piece deadweight.Rough estimates 2014 Nian1-5 month company coil goods class outlet loading and unloading capacitys reach 42.6 ten thousand tons, and nearly 160,000 tons of the 20 tons of above coiled steel operation amounts of wherein conducting oneself with dignity, calculate according to the going rates of 42.77 yuan/ton, for more than 1,700 ten thousand yuan of company's extra earnings are laid a good foundation.And in operation process not generating tool damage and the safety problem such as goods damage, what promoted to produce carries out smoothly.

Main hoisting rope 1, secondary hoist cable 10 are hung on crane hook simultaneously, and secondary hoist cable 10 other ends are connected to suspension hook 9, the coil of slinging founds sling, and the pressure tongue 3 with convex part is placed in coil endoporus, and secondary hoist cable 10 is plucked from suspension hook 9.When promoting main hoisting rope 1,3 rotations of band dynamic pressure tongue, press the convex part of tongue 3 slowly to compress coil inwall, make the vertical sling of coil clamp coil, after confirming that coil clamping does not firmly come off, can carry out unloading operation.After coil is hung to goods yard, is placed on ground, loosen main hoisting rope 1, convex presses tongue 3 to get loose, and presses convex part and the coil inwall of tongue 3 to depart from, and secondary hoist cable 10 is connected to suspension hook 9, and manipulating crane gib head, takes off vertical sling.

Main hoisting rope 1, secondary hoist cable 10 are hung on crane hook simultaneously, and secondary hoist cable 10 other ends are connected to suspension hook 9, the coil of slinging founds sling, by pressing tongue 3 to be placed on coil outside with the convex of convex part, secondary hoist cable 10 is plucked from suspension hook 9.When promoting main hoisting rope 1, drive convex to press tongue 3 rotations, convex presses the convex part of tongue 3 slowly to compress coil outer wall, make the vertical sling of coil clamp coil, after confirming that coil clamping does not firmly come off, continue to promote main hoisting rope 1 coil is rolled, manipulating crane rotating mechanism also loosens main hoisting rope 1, can complete and stand up the sleeping upset operation that unreels steel of turning over coiled steel one-tenth.

As shown in Figure 3, Figure 4, after main hoisting rope 1 loosens, convex presses tongue 3 to get loose, and convex presses the convex part of tongue 3 to depart from coil outer wall, and secondary hoist cable 10 is connected to suspension hook 9, and manipulating crane gib head, takes off vertical sling.

Claims (1)

1. the structure of the vertical sling of 40 tons of coils, it is characterized in that: the structure of this suspender includes the housing that main body is box ㄈ shape (8) and convex is pressed tongue (3), described housing (8) is the template transverse arm (A) of housing and the box transverse arm (B) of housing at intermediate arm and both ends, between two side plates of the template transverse arm (A) of the housing that the pressure tongue (3) of described convex is located at, and be connected rotationally by connecting bearing pin (4), described convex presses the large convex top periphery of tongue (3) to be provided with removable pressure tongue wear resistant toothed plate (5) by high strength bolt (6), at the box transverse arm (B) of described housing and template transverse arm (A) respective side of housing, by high strength bolt (6), be provided with removable suspender wear resistant toothed plate (7), described convex presses the little convex end of tongue (3) to be connected with high-strength shackle (2), high-strength shackle (2) is connected with main hoisting rope (1), the outer middle side part of the intermediate arm of described housing (8) is provided with suspension hook (9), with secondary hoist cable (10) hook.