CN213495665U - Device for reducing surface damage during turnover of heavy hot-rolled H-shaped steel cooling bed - Google Patents

Abstract

The utility model discloses a alleviate device that heavy hot rolling H shaped steel cold bed surface shot wound when turning over relates to shaped steel production technical field. This alleviate device that heavy hot rolling H shaped steel cold bed surperficial damage was hit during turn-over, including the top cap, the bottom of top cap is provided with the upper sleeve, the bottom of top cap just is located telescopic inner chamber and is provided with the spacing ring, it is equipped with lower sleeve to go up telescopic below cover, lower telescopic bottom seals and the top is provided with the opening. This alleviate device of heavy hot rolling H shaped steel cold bed damage by beating during turn-over through providing a buffer to in cold bed turn-over department, along finished product length direction, arrange a buffer every 2m, make when producing super large-size, super thick specification hot rolling H shaped steel, the cold bed turn-over damage rate is reduced to 0 by original 6% -9%, and product quality is effectively improved, and production efficiency promotes by a wide margin, and manufacturing cost is showing and is descending.

Description

Device for reducing surface damage during turnover of heavy hot-rolled H-shaped steel cooling bed

Technical Field

The utility model relates to a shaped steel production technical field specifically is a device that surperficial damage when alleviateing heavy hot rolling H shaped steel cold bed turn-over.

Background

Compared with plates, bars and the like, the production mode of hot-rolled H-shaped steel is more complex, and steel turning needs to be performed for many times in the rolling and cooling processes. The existing hot-rolled H-shaped steel with common specification is not easy to cause damage to the flange surface and leg end of a rolled piece in the steel turning process due to small meter weight, small section size and low gravity center, so that any damage prevention measure is not adopted. The heavy hot-rolled H-shaped steel is different in size, the section size is large, the flange width can reach 500mm, the web height can reach 1150mm, the flange thickness can reach 140mm, the height of the flange is large, and the gravity center is high. In the steel turning process, when the side face or the end part of the flange is in contact with a supporting structure (a cooling bed or a roller way), strong impact force is formed under the action of the self weight of the H-shaped steel, the impact process easily causes damage to the surface or the leg end of the flange, the damaged defect is light, the required grinding and welding repair method can leave a factory, the damaged defect is serious, the damaged defect can be scrapped, the defect causes the yield of the heavy hot-rolled H-shaped steel to be reduced, and the production cost is increased.

Patent document CN101071346A entitled "input device with orbital center of gravity conversion for resisting impact damage", the utility model discloses a track type gravity center changing input device for resisting impact injury, it is mainly characterized by that in an input device self-body one or more than one slide tracks are set, in every slide track at least one gravity buffer unit is set, when the input device self-body is forced by user and moved to required position from fixed point, the gravity buffering unit can move reversely and reversely along the sliding track in the moving direction of the input device body, so as to absorb the inertia force generated when the input device body moves, thereby reducing the reverse force generated when the user stops the input device, further, the impact generated when the inertia force and the reverse force are offset is reduced, so as to reduce the injury of the impact force to the wrist of the user. The utility model relates to an inner structure is complicated for the utility model device, and operational environment and buffering ability all are not suitable for heavy hot rolling H shaped steel production.

Patent document with patent number CN103381987A, entitled "a shock-resistant falling energy-absorbing unit board", the utility model provides a shock-resistant falling energy-absorbing unit board. The corrugated sandwich plate comprises an upper panel, a lower panel and connecting plates connected between the upper panel and the lower panel, wherein each connecting plate comprises an upper plane section, a semicircular arc section and a lower plane section, one pair or two pairs of connecting plates are connected between the upper panel and the lower panel, and the upper panel and the lower panel are corrugated sandwich plates. The device can lay on elevator floor, when the elevator falls suddenly and ground collision, absorbs impact energy through the plastic deformation of each part of the cell plate, thereby reducing the impact injury of the elevator falling to the human body and protecting the life safety of passengers. The buffering device related to the patent is suitable for accidental and sudden conditions, does not have long-term periodic buffering effect, and is not suitable for the production and the turnover of heavy hot-rolled H-shaped steel.

Patent publication is CN204485254U, the name is "a martial arts training is with preventing hindering the rod" patent literature, this utility model discloses a quality is light, toughness is strong, is difficult for hindering people's a martial arts training is with preventing hindering the rod, including the rod body, rod body lateral wall be provided with the spring, the spring rises around the rod body spirals, spring outside cover be equipped with the rubber tube to closely support the rubber tube, rubber tube outside cover be equipped with the sponge pipe, the sponge pipe closely wrap up the rubber tube, the sponge pipe about both ends be provided with the boss, boss sealing connection have a sealing cap, the sponge pipe be rubber sponge pipe, the spring be metal spring, sealing cap with glue sealing connection on the sponge boss, the rod body be solid rubber rod. The rubber tube and the sponge tube related to the patent can effectively prevent the person who is committed to fighting from being injured, and are not suitable for the heavy hot rolling H-shaped steel tilting buffer.

The utility model discloses a patent document with patent publication number CN106184782A entitled "unmanned aerial vehicle fuselage anticollision structure", which discloses an unmanned aerial vehicle fuselage anticollision structure, comprising a housing, wherein a buffer box is fixedly arranged on the side wall in the housing; the side wall of the shell is provided with a through hole communicated with the buffer box; a buffer piece and a pressing plate are arranged in the buffer box; the anti-collision device is characterized by also comprising a pressure lever penetrating through the through hole, wherein one end of the pressure lever is fixedly connected with the pressure plate, the other end of the pressure lever is connected with a hemispherical elastic anti-collision block, the anti-collision block is arranged in a hollow manner, and the surface of the anti-collision block is provided with a plurality of air holes; when accidental impact occurs, the anti-collision block is preferentially deformed, gas in the anti-collision block is extruded out to buffer and absorb primary impact force, then the pressure rod is stressed to push the pressure plate to move to extrude the buffer piece to buffer and absorb secondary impact force, impact damage is greatly reduced, and the unmanned aerial vehicle is protected; the whole structure is simple, and the cost is low. However, the device is only suitable for buffering with small impact force and is not suitable for buffering with large impact force of heavy hot-rolled H-shaped steel turnover.

Patent publication No. CN106917370A entitled "crash barrier" discloses a crash barrier, which includes a base having a groove, a first rotation accommodating groove at the bottom of the groove, and a first inclined wall, a side wall and a second inclined wall sequentially connected to the opening of the first rotation accommodating groove; a first rotating ball is arranged in the first rotating containing groove, and an upright post is arranged at the upper part of the first rotating ball; the lower end of the upright post is provided with a second rotating accommodating groove; a second rotating ball is arranged in the second rotating accommodating groove and connected with the supporting rod; a sliding groove is formed in the first inclined wall; the lower end of the support rod is arranged in the sliding groove, and an inner spring is arranged between the lower end of the support rod and the bottom end of the sliding groove; the supporting rod positioned outside the sliding groove is sleeved with an outer spring; the steel wire rope stretching devices are arranged in the stand columns, the corrugated plates are arranged between the two stand columns, upper and lower rows of fixing holes are formed in the corrugated plates, the upper steel wire rope sequentially penetrates through the upper row of fixing holes, and the lower steel wire rope sequentially penetrates through the lower row of fixing holes. The utility model discloses can cushion the release with the impact of accident vehicle, reduce the guardrail to accident vehicle and passenger's impact injury. The device has good impact relieving effect, but has a complex structure, and is not suitable for the field of heavy hot-rolled H-shaped steel production with severe production environment.

The patent number CN107082040A entitled "autonomous loading and unloading multipurpose vehicle with slow-descending turnover bucket" discloses an autonomous loading and unloading multipurpose vehicle with slow-descending turnover bucket, which still has a basic structure that hydraulic lifting column composite connecting rods on two sides of the rear part drive a front frame fork shovel frame to self-shovel the bucket. The forklift is characterized in that the frame fork shovel frame is movably fixed by mainly using a hydraulic buffer fixed on the upper edge of a front bar and clamping rings at two sides to connect a perforated top plate of a bucket and a vertical guide rail at the rear edge, so that all large materials are moved in the bucket and slowly descended twice by a large margin to swing and turn over laterally and fall towards the carriage at a safe height, heavy stones and the like are effectively prevented from being hit and damaged on the bottom plate of the carriage, all actions are natural, reasonable, automatic, continuous, safe and reliable without special operation, all requirements of self-conveying and self-discharging of heavy ores are fully met, and the forklift is simple, cheap, easy to manufacture, firm, long in time, safe and reliable, and has feasibility, practicability and industrial popularization value. The utility model discloses a have certain suitability, but its work efficiency is lower relatively, is not suitable for the quick tilting of heavy hot rolling H shaped steel production line.

Patent number is CN208602439U, the patent document of name "can reduce the watering lorry that strikes the injury" discloses a can reduce watering lorry that strikes injury, including the watering lorry, the downside of watering lorry afterbody is equipped with the tire, the tire is equipped with two and the distance between two tires is 10-30cm, through set up two intervals at the downside of watering lorry afterbody and be 10-30 cm's tire, when the sedan-chair in rear strikes the watering lorry owing to driving carelessly on, the head of sedan-chair can strike on the tire, and the tire can play a cushioned effect to the sedan-chair to still have certain resilience at the tire, can reduce the damage of vehicle. The method mainly adopts the tire for buffering to reduce the impact damage to the vehicle body, but the tilting temperature of the heavy hot-rolled H-shaped steel is not normal temperature, and the materials such as the tire are not durable, so the method is not suitable for use.

In the prior art, when the steel turning operation is carried out, strong impact force is formed under the action of the self weight of the H-shaped steel when the side face or the end part of the flange is in contact with a supporting structure (a cooling bed or a roller way), the impact process easily causes damage to the surface of the flange or the leg end, the damaged defect is light, the grinding and welding can be carried out before delivery, the damaged defect is serious, the defect causes the yield of the heavy hot-rolled H-shaped steel to be reduced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a device that surperficial damage was hit when lightening heavy hot rolling H shaped steel cold bed tilting, solved in prior art, when the tilting operation, in the twinkling of an eye when edge of a wing side or tip and bearing structure (cold bed or roll table) contact, under the effect of H shaped steel self weight, form powerful impact, this striking process very easily leads to edge of a wing surface or leg end damage, the damage defect needs coping that is lighter, weld repair can dispatch from the factory, damage defect comparatively serious will scrap, this kind of defect causes the lumber recovery decline of heavy hot rolling H shaped steel, manufacturing cost increases's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a alleviate device that heavy hot rolling H shaped steel cold bed surface shot when turning over steel, includes the top cap, the bottom of top cap is provided with the sleeve, the bottom of top cap and the inner chamber that is located the sleeve are provided with the spacing ring, it is equipped with the lower sleeve to go up telescopic below cover, the bottom of lower sleeve is sealed and the top is provided with the opening, the lower sleeve endotheca is equipped with the inner skleeve, the inner skleeve endotheca is equipped with the atress spring, the top of atress spring sets up in the spacing ring, the bottom of lower sleeve is provided with hydraulic telescoping device, hydraulic telescoping device's bottom is provided with the base.

Preferably, the number of the inner sleeves is six, and the inner sleeves correspond to the limiting rings and the stressed springs one to one respectively.

(III) advantageous effects

The utility model provides a device that surface damage was hit when alleviateing heavy hot rolling H shaped steel cold bed turn-over. The method has the following beneficial effects: this alleviate device of heavy hot rolling H shaped steel cold bed damage by beating during turn-over through providing a buffer to in cold bed turn-over department, along finished product length direction, arrange a buffer every 2m, make when producing super large-size, super thick specification hot rolling H shaped steel, the cold bed turn-over damage rate is reduced to 0 by original 6% -9%, and product quality is effectively improved, and production efficiency promotes by a wide margin, and manufacturing cost is showing and is descending.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the top cover of the present invention;

fig. 4 is a schematic structural view of the lower sleeve of the present invention;

FIG. 5 is a schematic structural view of the force-bearing spring of the present invention;

fig. 6 is a schematic structural diagram of the base of the present invention.

In the figure: 1. a top cover; 2. an upper sleeve; 3. a limiting ring; 4. a lower sleeve; 5. an inner sleeve; 6. a stressed spring; 7. a hydraulic telescopic device; 8. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a alleviate device that heavy hot rolling H shaped steel cold bed surface bruised when turning over steel, including top cap 1, top cap 1's bottom is provided with sleeve 2, top cap 1's bottom and the inner chamber that is located sleeve 2 are provided with spacing ring 3, the below cover of upper sleeve 2 is equipped with lower sleeve 4, the bottom of lower sleeve 4 is sealed and the top is provided with the opening, lower sleeve 4 endotheca is equipped with inner skleeve 5, the quantity of inner skleeve 5 is six, and inner skleeve 5 respectively with spacing ring 3 and stress spring 6 one-to-one, inner skleeve 5 endotheca is equipped with stress spring 6, stress spring 6's top sets up in spacing ring 3, the bottom of lower sleeve 4 is provided with hydraulic telescoping device 7, hydraulic telescoping device 7's bottom is provided with base 8.

Embodiment example 1 (H700X 300X 13X 24 ultra-wide hot rolled H-shaped steel) the device for reducing surface damage during the turnover of heavy hot rolled H-shaped steel cold bed of the utility model is hereinafter referred to as a buffer device;

the H700 multiplied by 300 multiplied by 13 multiplied by 24 specification hot rolling H shaped steel has the width of a web plate as high as 700mm, the meter weight of 182kg and the gravity center of 350 mm. When the gravity center is high, the impact force is huge at the moment of contact between the flange end of the H-shaped steel and the cooling bed, so that the flange end is easily damaged, and the production efficiency and the yield are seriously influenced. Therefore, the utility model method of the patent is started when the product with the specification is produced. Before the cold bed tilting, this buffer stretches out cold bed surface 150mm at the top under its base hydraulic means's effect promptly, opens the tilting process, along with going on of tilting cylinder process, H shaped steel edge of a wing tip at first with the utility model discloses a buffer top contact to avoid H shaped steel edge of a wing tip and the rigid striking of cold bed, treat after the tilting process is accomplished, under buffer base hydraulic means's drive effect, H shaped steel slowly descends, and after H shaped steel edge of a wing tip contacted with the cold bed, buffer continued to descend 50-100mm department and stops. Adopt the utility model discloses 1400 tons of this specification product are produced to the method altogether, through inspection, statistics discovery, the H shaped steel edge of a wing tip damage rate that causes because of the tilting is reduced to 0 by 6.17%.

Embodiment example 2 (H474X 424X 47X 77 flange ultra-thick hot rolled H shaped steel), the device for reducing surface damage during the turnover of heavy hot rolled H shaped steel cold bed of the utility model is hereinafter referred to as a buffer device;

the H474X 424X 47X 77 hot rolled H-shaped steel has flange as high as 700mm, meter weight as high as 633.9kg and center of gravity 237 mm. When the steel is turned over with the height of gravity center and the weight per meter, the impact force is huge at the moment of contact between the flange end of the H-shaped steel and the cooling bed, the flange end is very easy to be damaged, and the production efficiency and the yield are seriously influenced. Therefore, the utility model method of the patent is started when the product with the specification is produced. Before the cold bed tilting, this buffer stretches out cold bed surface 150mm at the top under its base hydraulic means's effect promptly, opens the tilting process, along with going on of tilting cylinder process, H shaped steel edge of a wing tip at first with the utility model discloses a buffer top contact to avoid H shaped steel edge of a wing tip and the rigid striking of cold bed, treat after the tilting process is accomplished, under buffer base hydraulic means's drive effect, H shaped steel slowly descends, and after H shaped steel edge of a wing tip contacted with the cold bed, buffer continued to descend 50-100mm department and stops. Adopt the utility model discloses this specification product 810 tons of production are counted in total to the method, through inspection, statistics discovery, the H shaped steel edge of a wing tip damage rate that causes because of the tilting is reduced to 0 by 9.43%.

In conclusion, the device for reducing the surface damage during the turnover of the heavy hot-rolled H-shaped steel cold bed is characterized in that the buffer device is provided, and the buffer devices are arranged at the turnover position of the cold bed at intervals of 2m along the length direction of a finished product, so that the damage rate of the turnover of the cold bed is reduced to 0 from 6-9% of the original damage rate during the production of the hot-rolled H-shaped steel with the overlarge size and the ultra-thick specification, the product quality is effectively improved, the production efficiency is greatly improved, and the production cost is remarkably reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 appended claims and their equivalents.

Claims (2)

1. The utility model provides a alleviate device that heavy hot rolling H shaped steel cold bed surface bruised when turning over steel which characterized in that: including top cap (1), the bottom of top cap (1) is provided with upper sleeve (2), the bottom of top cap (1) and the inner chamber that is located upper sleeve (2) are provided with spacing ring (3), the below cover of upper sleeve (2) is equipped with lower sleeve (4), the bottom of lower sleeve (4) is sealed and the top is provided with the opening, lower sleeve (4) endotheca is equipped with inner skleeve (5), inner skleeve (5) endotheca is equipped with atress spring (6), the top of atress spring (6) sets up in spacing ring (3), the bottom of lower sleeve (4) is provided with hydraulic telescoping device (7), the bottom of hydraulic telescoping device (7) is provided with base (8).

2. The device for reducing the surface damage caused by the turnover of the heavy hot-rolled H-shaped steel cooling bed according to claim 1, wherein the device comprises: the number of the inner sleeves (5) is six, and the inner sleeves (5) correspond to the limiting rings (3) and the stressed springs (6) one by one respectively.

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