CN212830775U

CN212830775U - Heavy carrier roller for mounting and sliding large converter

Info

Publication number: CN212830775U
Application number: CN202021142006.XU
Authority: CN
Inventors: 刘长富
Original assignee: China Third Metallurgical Group Corp Ltd Ningbo Co
Current assignee: China Third Metallurgical Group Corp Ltd Ningbo Co
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-30
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a large-scale converter installation is slided and is used heavy bearing roller, including atress shell and a plurality of layers of bearing roller group of setting in the atress shell, the atress shell is whole to be the decurrent cell body structure of opening, the both sides cell wall and the bearing roller group of cell body rotate to be connected, bearing roller group is including the work roller set of bottom and the support roller set of setting in the work roller set top, support roller set and including the last support roller set and the under bracing roller set that upper and lower layering set up, the under bracing roller set is including the big bearing roller that is located both ends and being located the little bearing roller between the big bearing roller, little bearing roller sets up a plurality of layers, every layer of bearing roller group is including a plurality. The utility model reduces the friction force, the thrust or traction force required by moving the converter, and improves the installation efficiency of the converter; stress is uniformly dispersed, deformation of the carrier roller is reduced, and the service life is prolonged; the leveling of the carrier roller top plate is realized, the tilting of the converter in the moving process is avoided, and the leveling mode is simple and effective.

Description

Heavy carrier roller for mounting and sliding large converter

Technical Field

The utility model relates to a converter installation technical field especially relates to a large-scale converter installation slides and uses heavy bearing roller.

Background

The converter is generally composed of four parts, namely a backing ring, a furnace top, a middle part and a furnace bottom, and has construction difficulties of large volume, heavy tonnage, limited installation space and the like. In a large converter transformation project, the converter needs to be wholly slid to be in place, particularly, in the whole sliding process of the converter, huge thrust or traction force is needed, in the prior art, a sliding rail is usually arranged at the bottom of the converter, and the surface of the sliding rail is lubricated to reduce sliding friction force.

For example, a chinese patent document discloses "a method for flip-chip mounting a converter by using a hoist", which is under the publication No. CN105671245B, and comprises the following steps: the converter shell slides, a converter and a supporting ring lifting device are arranged, the supporting ring slides and is installed, the converter shell is lifted, the converter shell and the supporting ring are connected and assembled, and the traction and lifting devices of all platforms are detached. The method is suitable for projects with later entering time of the converter and the backing ring equipment in the reconstruction, extension, overhaul and new construction of the converter. The invention discloses that a slide way is arranged to enable a converter to slide on the slide way, and lubricating grease is coated on the surface of the slide way to reduce friction resistance. The converter has the disadvantages that the friction coefficient of the slideway coated with the lubricating grease is still larger, the movable converter still needs larger traction force, and in addition, a large amount of lubricating grease needs to be coated on the slideway, so that the converter consumes time and materials, and is low in efficiency and high in cost.

Disclosure of Invention

The utility model relates to an it is not good to overcome prior art's reduction frictional force effect, and the converter removes the degree of difficulty big, and lubricated processing consumptive material consuming time, problem that converter installation efficiency is low provides a large-scale converter installation and slides and use heavy bearing roller, effectively reduces frictional force, reduces the top and pushes away or pull the load, and the bearing capacity is strong, improves the efficiency of large-scale converter installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a large-scale converter installation is slided and is used heavy bearing roller, includes atress shell and sets up a plurality of layers of bearing roller group in the atress shell, the atress shell wholly is the decurrent cell body structure of opening, and the both sides cell wall and the bearing roller group of cell body rotate to be connected, and bearing roller group includes the work roller set of bottom and sets up the support roller set in the work roller set top, support roller set including upper support roller set and the lower support roller set that sets up from top to bottom layering, the lower support roller set is including the big bearing roller that is located both ends and the little bearing roller that is located between the big bearing roller, little bearing roller sets up every layer of bearing roller group in a plurality of layers and includes a.

The utility model is characterized in that the stress shell is used for bearing, a plurality of layers of carrier roller groups are arranged in the stress shell, the bottom layer of carrier roller group is a working roller group and is used for rolling in the slide rail, the supporting roller group arranged on the working roller group decomposes the huge pressure born by the carrier roller through multi-point contact, reduces the deformation of the carrier roller, ensures the uniform stress of the carrier roller, further decomposes the pressure received by the working roller group by increasing the number of layers of the supporting roller group, reduces the deformation, simultaneously, because the lower supporting roller group is supported by the pressure generated by the bottom working roller group to the lower supporting roller group and the pressure generated by the supporting roller group on the top, the deformation is larger, the size of the carrier roller is reduced, and a plurality of layers of small carrier rollers are arranged, so that stress is further decomposed, and deformation is reduced.

Preferably, the stressed shell comprises a horizontally arranged supporting plate and two mounting plates vertically arranged below the supporting plate, and the carrier roller group is arranged between the two mounting plates.

The horizontal backup pad is used for contacting bottom of converter, and the mounting panel is used for installing the bearing roller group, connects bearing roller and backup pad for the bearing roller does not contact with the backup pad, guarantees that the bearing roller rolls smoothly.

Preferably, at least one leveling mechanism is arranged on the stress shell and comprises a top plate, a sleeve, a middle rotary drum and an adjusting cylinder, the top plate is elastically connected with the sleeve, a rotary groove is formed in the inner wall of the sleeve and is a zigzag chute in circumferential end-to-end connection, a bump is arranged on the outer side of the middle rotary drum and is in sliding connection with the rotary groove, the top of the middle rotary drum is rotatably connected with the top plate, an adjusting cylinder is arranged in the middle rotary drum and is fixedly connected with the middle rotary drum in circumferential direction and in axial sliding connection, the bottom of the adjusting cylinder is rotatably connected with the sleeve, a screw rod is in threaded connection with the middle of the adjusting cylinder, and the screw rod is fixedly connected with the top of the stress shell.

Because the converter is usually required to be placed on the carrier roller from top to bottom by a hoisting structure during installation, the converter and the slide rail are large in size, each carrier roller cannot be ensured to be in a horizontal state during placement, the converter is easy to incline during installation, the converter is easy to move, and potential safety hazards exist. Before installation, a screw rod is arranged on a stress shell, a leveling mechanism is installed on the screw rod, the top plate is repeatedly pressed to drive a transfer cylinder to reciprocate in the vertical direction, at the moment, a lug on the transfer cylinder moves in a zigzag chute in a zigzag manner, the sleeve and the transfer cylinder form relative displacement, so that the transfer cylinder rotates in the sleeve while moving vertically, the transfer cylinder drives an internal adjusting cylinder to rotate synchronously while rotating, the adjusting cylinder moves vertically and downwards while rotating due to the threaded connection of the adjusting cylinder and the screw rod, and drives structures such as the sleeve and the top plate to move vertically and downwards, so as to achieve the purpose of adjusting the horizontal position, the operations are carried out on a plurality of carrier rollers to finish the leveling of each carrier roller, when the converter is placed on the top plate, the top plate is elastically connected with the sleeve, and can play a role of buffering the converter with heavy tonnage, in the embodiment, the top plate is connected with the sleeve through a, a plurality of leveling mechanisms can be arranged on each carrier roller according to conditions.

Preferably, the rotary groove comprises a plurality of first inclined grooves and second inclined grooves which are connected end to end, and transition grooves are arranged at the joints of the first inclined grooves and the second inclined grooves.

When the middle rotary drum moves down, the convex block on the middle rotary drum moves downwards along the first chute in an inclined way, the middle rotary drum is driven to rotate by a certain angle, the convex block reaches the bottom of the first chute and then enters the second chute along the transition groove, the middle rotary drum starts to move upwards under the action of elastic force at the moment, the convex block moves upwards along the second chute in an inclined way, the middle rotary drum is driven to continue to rotate by a certain angle in the same direction, the wall of the chute on one side of the transition groove is an arc-shaped wall, the two sides close to the top and the bottom of the sleeve are arranged, and the convex block smoothly transitions.

Preferably, the outer side of the adjusting cylinder is provided with a vertical guide groove, the inner side of the transfer cylinder is provided with a convex strip, and the convex strip is arranged in the guide groove in a sliding manner.

Well rotary drum reciprocating motion from top to bottom when the pivoted, through set up vertical sand grip in well rotary drum, the adjusting cylinder sets up the guide slot outward, makes vertical reciprocating motion of sand grip in the guide slot and drives adjusting cylinder synchronous rotation in circumference, simple structure, effective restriction degree of freedom.

Preferably, the outer side of the adjusting cylinder is provided with a convex strip, the inner side of the transfer cylinder is provided with a vertical guide groove, and the convex strip is arranged in the guide groove in a sliding manner.

Another kind of embodiment sets up the guide slot in the transfer cylinder, adjusts the section of thick bamboo and sets up the sand grip outward, makes the vertical reciprocating motion of guide slot outside the sand grip to drive in circumference and adjust a section of thick bamboo synchronous revolution, simple structure effectively restricts the degree of freedom.

Preferably, the bottom of the adjusting cylinder is provided with an annular convex strip, the cross section of the end part of the annular convex strip is T-shaped, the bottom of the sleeve is provided with an annular groove, the cross section of the annular groove is T-shaped and matched with the annular convex strip, and the annular convex strip is arranged in the annular groove in a sliding manner.

The adjusting cylinder moves downwards along the screw rod through thread fit when rotating, the annular raised line rotates in the annular groove of the sleeve on the one hand, so that the sleeve cannot rotate synchronously, and on the other hand, the sleeve and the top plate are driven to move downwards through the T-shaped structure, so that leveling is realized.

Preferably, a counter bore is arranged in the screw rod, and a self-tapping screw for fixing the screw rod and the stress shell is arranged in the counter bore.

Utilize the screw rod inner space conveniently to fix the screw rod on the atress shell, and connect firmly.

Preferably, the upper surface of the top plate is provided with anti-skid grains.

The friction force of the surface of the top plate is increased by arranging the anti-slip patterns, so that the converter is prevented from slipping when placed.

Therefore, the utility model discloses following beneficial effect has: (1) by arranging the working roller group, the friction force is reduced, the thrust force or traction force required by moving the converter is reduced, and the installation efficiency of the converter is improved; (2) by arranging the layered support roller sets, stress is uniformly dispersed, deformation of the carrier roller is reduced, and the service life is prolonged; (3) the leveling mechanism is arranged to realize the leveling of the carrier roller top plate, so that the converter is prevented from inclining in the moving process; (4) leveling is realized by pressing the top plate, and the leveling mode is simple and effective.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the force-bearing shell and the carrier roller set of the present invention.

Fig. 3 is a schematic structural diagram of the leveling mechanism of the present invention.

In the figure: 1. the device comprises a stress shell, 11, a support plate, 12, a mounting plate, 2, a working roller set, 3, a lower support roller set, 31, a large carrier roller, 32, a small carrier roller, 4, an upper support roller set, 5, a leveling mechanism, 51, a top plate, 52, a pressure spring, 53, a sleeve, 531, a rotary groove, 54, a transfer cylinder, 541, a bump, 542, a convex strip, 55, an adjusting cylinder, 551, a guide groove, 552, an annular convex strip, 56, a screw rod, 561 and a counter bore.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, the heavy carrier roller for mounting and sliding the large converter comprises a stress shell 1, a plurality of layers of carrier roller sets arranged in the stress shell 1, and a leveling mechanism 4 arranged on the stress shell 1, wherein the stress shell 1 is integrally of a groove body structure with a downward opening, the cross section is in a pi shape, the groove walls on two sides of the groove body are rotatably connected with the carrier roller sets, the stress shell 1 comprises a horizontally arranged support plate 11 and two mounting plates 12 vertically arranged below the support plate 11, and the carrier roller sets are arranged between the two mounting plates 12. The bearing roller group includes the work roller set 2 of bottom, be located the lower support roller set 3 of work roller set 2 top and be located the last supporting roller group 4 of lower support roller set 3 top, and every layer of bearing roller group includes a plurality of bearing rollers of arranging side by side along cell body length direction, and adjacent bearing roller is the butt each other. As shown in fig. 2, the lower support roller group 3 includes large idlers 31 at both ends and small idlers 32 between the large idlers 31, the small idlers 32 are provided in two layers, the idler sizes of the work roller group 4 and the upper support roller group 4 are the same as those of the large idlers 31, and a certain space exists between the upper support roller group 4 and the support plate 11.

Be equipped with at least one levelling mechanism 5 in the backup pad 11, levelling mechanism 5 includes roof 51, pressure spring 52, sleeve 53, transfer cylinder 54, and adjusting cylinder 55, roof 51 upper surface is equipped with anti-skidding line, roof 51 bottom is through pressure spring 52 and sleeve 53 top elastic connection, the sleeve inner wall is equipped with the turn-around groove 531, the turn-around groove is circumference end to end's zigzag chute, the turn-around groove includes a plurality of end to end's first chute and second chute, first chute and second chute junction are equipped with the aqueduct, it is the arc wall to cross one side cell wall of aqueduct near the bottom at sleeve top. Well rotary drum outside is equipped with lug 541, lug and gyration groove 531 sliding connection, the rotary drum top is connected with the roof rotation, be equipped with regulation section of thick bamboo 55 in the transfer section of thick bamboo, the regulation section of thick bamboo 55 outside is equipped with vertical guide slot 551, the transfer section of thick bamboo inboard is equipped with sand grip 542, sand grip 542 slides and sets up in guide slot 551, adjust section of thick bamboo and transfer section of thick bamboo circumference fixed connection and axial sliding connection, it is equipped with annular sand grip 552 to adjust the bobbin base portion, annular sand grip 552 upwards bulges, its end cross-section is the T font, the sleeve bottom is equipped with the ring channel, the ring channel cross-section is the T font with annular sand grip adaptation, the annular sand grip slides and sets up in the ring channel, rotate with the sleeve and be connected, threaded connection has screw rod 56 in the regulation section of thick bamboo.

When the roller bearing device is installed, the screw is fixed on the stressed shell, and the plurality of carrier rollers are installed in the slide rail; then the leveling mechanism 5 is arranged at the upper end of the screw rod, the heights of the top plates are finely adjusted by repeatedly pressing the top plates, and the top plates on all the carrier rollers are positioned on the same horizontal plane with the aid of instruments such as a level meter and the like; and finally, slowly placing the converter on a top plate of the carrier roller, so that the converter can translate along the slide rail. At the moment, the working roller group is used for rolling and translating, the carrier rollers in the upper supporting roller group and the lower supporting roller group are used for decomposing the pressure on the working roller group, the carrier roller deformation is small, and because the adjacent carrier rollers are in line contact, the friction coefficient is small, the force required by moving the converter is reduced, and the installation efficiency is increased.

Claims

1. The utility model provides a large-scale converter installation is slided and is used heavy bearing roller, characterized by, includes atress shell and a plurality of layers of bearing roller group of setting in the atress shell, the atress shell wholly is the decurrent cell body structure of opening, and the both sides cell wall and the bearing roller group of cell body rotate to be connected, and bearing roller group includes the work roller set of bottom and sets up the support roller set in the work roller set top, support roller set including upper support roller set and the lower support roller set that upper and lower layering set up, the lower support roller set is including the big bearing roller that is located both ends and being located the little bearing roller between the big bearing roller, little bearing roller sets up a plurality of layers, and every layer of bearing roller set includes a plurality of.

2. The heavy carrier roller for the installation and sliding of the large converter according to claim 1, wherein the stressed shell comprises a horizontally arranged support plate and two mounting plates vertically arranged below the support plate, and the carrier roller group is arranged between the two mounting plates.

3. The heavy carrier roller for the installation and sliding of the large converter according to claim 1, wherein the stressed shell is provided with at least one leveling mechanism, the leveling mechanism comprises a top plate, a sleeve, a middle revolving drum and an adjusting cylinder, the top plate is elastically connected with the sleeve, the inner wall of the sleeve is provided with a revolving groove, the revolving groove is a zigzag chute which is circumferentially connected end to end, a bump is arranged on the outer side of the middle revolving drum, the bump is slidably connected with the revolving groove, the top of the middle revolving drum is rotatably connected with the top plate, an adjusting cylinder is arranged in the middle revolving drum, the adjusting cylinder is circumferentially fixedly connected with the middle revolving drum and axially slidably connected with the middle revolving drum, the bottom of the adjusting cylinder is rotatably connected with the sleeve, a screw is threadedly connected in the adjusting cylinder, and the screw is fixedly connected.

4. The heavy carrier roller for mounting and sliding the large converter according to claim 3, wherein the revolving chute comprises a plurality of first chutes and second chutes connected end to end, and a transition chute is provided at a joint of the first chute and the second chute.

5. The heavy carrier roller for the installation and sliding of the large converter according to claim 3, wherein the adjusting cylinder is provided with a vertical guide groove on the outer side, the transfer cylinder is provided with a convex strip on the inner side, and the convex strip is slidably arranged in the guide groove.

6. The heavy carrier roller for the installation and sliding of the large converter according to claim 3, wherein a convex strip is arranged on the outer side of the adjusting cylinder, a vertical guide groove is arranged on the inner side of the transfer cylinder, and the convex strip is slidably arranged in the guide groove.

7. The heavy carrier roller for mounting and sliding a large-scale converter according to claim 3, wherein the bottom of the adjusting cylinder is provided with an annular rib, the cross section of the end of the annular rib is T-shaped, the bottom of the sleeve is provided with an annular groove, the cross section of the annular groove is T-shaped and matched with the annular rib, and the annular rib is slidably arranged in the annular groove.

8. The heavy carrier roller for the mounting and sliding of the large converter according to claim 3, wherein a counter bore is formed in the screw, and a tapping screw for fixing the screw and the stressed shell is formed in the counter bore.

9. The heavy carrier roller for the installation and sliding of the large converter according to claim 3, wherein the top plate is provided with anti-slip lines on the upper surface.