CN212496305U

CN212496305U - Bearing replacing device for continuous casting rotary table

Info

Publication number: CN212496305U
Application number: CN202020889771.1U
Authority: CN
Inventors: 成贻源; 戴志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-24
Filing date: 2020-05-24
Publication date: 2021-02-09
Anticipated expiration: 2030-05-24

Abstract

The utility model discloses a continuous casting revolving platform bearing replacing device, which comprises a chassis, a replacing platform, a translation slideway, a supporting mechanism, a bearing clamping groove, a revolving bearing, a slideway limiting plate, an electric hydraulic cylinder, a telescopic hydraulic rod, a lifting platform and a containing groove, wherein the electric hydraulic cylinder is used for driving the telescopic hydraulic rod to drive the lifting platform to lift the revolving bearing to a certain height, the supporting mechanism arranged in the translation slideway at two sides of the replacing platform is translated to a supporting part through manpower, rough calibration is carried out, a screw rod is driven to rotate by opening a screw rod motor, a screw rod slider is moved to a corresponding position, a clamping hook at the upper end can be clamped into a groove of the revolving bearing, then the telescopic hydraulic rod is put down, four groups of supporting mechanisms can stably support the revolving bearing, and slowly translate through the translation slideway, the connecting structure and the supporting mode at the bottom are stable, the clamping and embedding are tight, and the safety coefficient is high.

Description

Bearing replacing device for continuous casting rotary table

Technical Field

The utility model relates to a slewing bearing technical field specifically is a device is changed to continuous casting revolving platform bearing.

Background

In the process of steel casting, a rotary table is arranged under a vehicle beam on a casting platform between a molten steel tank receiving span and a casting span of a continuous casting machine workshop and is used for receiving and supporting a molten steel tank hoisted to the continuous casting workshop by a crane, the molten steel tank is rotated 180 degrees through a rotating and lifting mechanism of equipment and is rotated to a casting position for casting, a large bearing which enables the rotary table to rotate has three rows of rollers and can bear and transmit vertical load, horizontal load and tipping moment, an inner ring is connected with a base by a high-strength bolt, an outer ring is connected with a rotary body by a high-strength bolt, the diameter is larger than 4m, the rotary bearing, a rotary table body and a rotary table base are main structures of the rotary table, and in the process of replacing the continuous casting rotary bearing in the prior art, because the rotary bearing is larger and heavier, the swinging amplitude of lifting and replacing by using hoisting equipment is larger, therefore, hoisting fracture can occur, the rotary bearing is in danger of falling, and the safety factor is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bearing replacing device of a continuous casting rotary table, wherein an electric hydraulic cylinder is arranged below the installation part of a rotary bearing, the electric hydraulic cylinder is used for driving a telescopic hydraulic rod to drive a lifting platform to lift the rotary bearing to a certain height, a supporting mechanism arranged in a translation slideway at two sides of a replacing platform is manually translated to the supporting part, rough calibration is carried out, the screw motor is started to drive the inner screw to rotate, the screw slide block is enabled to move to a corresponding position, the clamping and embedding hook at the upper end can be clamped and embedded into the groove of the slewing bearing, then the telescopic hydraulic rods are put down, the four groups of supporting mechanisms can stably support the slewing bearing and slowly translate through the translation slide ways, the connecting structure and the supporting mode at the bottom of the clamping device are stable, the clamping and embedding are tight, the safety coefficient is high, and the problem in the prior art can be solved.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a device is changed to continuous casting revolving platform bearing, includes the chassis, changes platform, translation slide, supports slide, supporting mechanism, bearing draw-in groove, slewing bearing, slide limiting plate, electric hydraulic cylinder, flexible hydraulic stem, lifting platform and accomodates the groove, its characterized in that: the hydraulic lifting device comprises a chassis, a support slide rail, an electric hydraulic cylinder, a telescopic hydraulic rod, a lifting platform, a bearing clamping groove, a rotary bearing and a containing groove, wherein a replacing platform is arranged on the upper side of the chassis, translation slide ways are respectively arranged at two ends of the replacing platform, slide way limiting plates are respectively arranged at two ends of the translation slide ways, support slide ways are respectively arranged at two sides of the translation slide ways, a support mechanism is installed in the translation slide ways, the electric hydraulic cylinder is installed in the chassis, the telescopic hydraulic rod is installed on the upper side of the electric hydraulic cylinder, the lifting platform is arranged at the top of the telescopic hydraulic rod, the bearing clamping groove is arranged;

the supporting mechanism comprises a slideway plate, a supporting plate, a screw rod seat, an inner screw rod, a screw rod motor, a supporting column, a screw rod sliding block, a movable column, a buffering rod, a buffering spring, a supporting platform and a clamping and embedding hook, the upside of the slideway plate is provided with the supporting plate, the upside of the supporting plate is provided with the screw rod seat, the inner screw rod of the screw rod seat is installed inside, the two ends of the lower side of the screw rod seat are respectively provided with the supporting column, the screw rod motor is installed outside the screw rod seat, the screw rod sliding block is installed on the inner screw rod, the upside of the screw rod sliding block is provided with the movable column, the buffering rod is installed on the upper side of the movable column, the buffering spring is arranged outside the buffering rod, the buffering spring and the buffering rod are provided with the.

Preferably, the supporting column is embedded in the supporting slideway.

Preferably, the slideway plate is embedded in the translation slideway.

Preferably, the support mechanisms are provided with four groups, and two groups of support mechanisms are arranged in each translation slide way.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses device is changed to continuous casting revolving platform bearing, below at slewing bearing's installation position sets up electric hydraulic cylinder, use the flexible hydraulic stem of electric hydraulic cylinder drive to drive the lifting platform and promote slewing bearing to certain height, the supporting mechanism of installation passes through artifical translation to the support position in the translation slide that will change the platform both sides, and carry out rough calibration, it rotates to open screw rod motor drive internal screw rod, make the activity of screw rod slider to corresponding position, the card that makes the upper end inlays in can the card inlays into slewing bearing's recess, later put down flexible hydraulic stem, make four group's supporting mechanism can the stable support live slewing bearing, and through the slow translation of translation slide, the utility model discloses it is complete reasonable in structure, the connection structure and the support mode of its bottom are comparatively firm, the card inlays comparatively inseparably, and its factor of safety is higher.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic sectional view of the telescopic hydraulic rod of the present invention during lifting;

fig. 4 is an enlarged view of a point a of the present invention.

In the figure: 1. a chassis; 2. replacing the platform; 3. a translation slide; 4. a support slide; 5. a support mechanism; 51. a slide plate; 52. a support plate; 53. a screw seat; 54. an inner screw rod; 55. a screw motor; 56. a support pillar; 57. a screw slider; 58. a movable post; 59. a buffer rod; 510. a buffer spring; 511. a support platform; 512. a hook is clamped and embedded; 6. a bearing clamping groove; 7. a slew bearing; 8. a slideway limit plate; 9. an electric hydraulic cylinder; 10. a telescopic hydraulic rod; 11. a lifting platform; 12. a receiving groove.

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. 1-3, a bearing replacing device for a continuous casting rotary table comprises a chassis 1, a replacing platform 2, a translational slideway 3, a supporting slideway 4, a supporting mechanism 5, a bearing clamping groove 6, a rotary bearing 7, a slideway limiting plate 8, an electric hydraulic cylinder 9, a telescopic hydraulic rod 10, a lifting table 11 and a containing groove 12, wherein the replacing platform 2 is arranged on the upper side of the chassis 1, the translational slideway 3 is respectively arranged at two ends of the replacing platform 2, the slideway limiting plate 8 is respectively arranged at two ends of the translational slideway 3, the supporting slideway 4 is respectively arranged at two sides of the translational slideway 3, the supporting mechanism 5 is arranged in the translational slideway 3, the supporting mechanisms 5 are totally provided with four groups, two groups of supporting mechanisms 5 are arranged in each translational slideway 3, the electric hydraulic cylinder 9 is arranged in the chassis 1, the telescopic hydraulic rod 10 is arranged on the upper side of the electric hydraulic cylinder 9, the lifting table, the inner side of the center of the replacement platform 2 is provided with a bearing clamping groove 6, a rotary bearing 7 is arranged inside the bearing clamping groove 6, and the bottom of the bearing clamping groove 6 is provided with a containing groove 12.

Referring to fig. 4, the supporting mechanism 5 includes a chute plate 51, a supporting plate 52, a screw seat 53, an internal screw 54, a screw motor 55, a supporting column 56, a screw slider 57, a movable column 58, a buffering rod 59, a buffering spring 510, a supporting platform 511 and a snap hook 512, the supporting plate 52 is disposed on the upper side of the chute plate 51, the chute plate 51 is mounted in the translational slide way 3 in a snap-fit manner, the screw seat 53 is disposed on the upper side of the supporting plate 52, the internal screw 54 is mounted in the screw seat 53, the supporting columns 56 are respectively disposed at two ends of the lower side of the screw seat 53, the supporting columns 56 are mounted in the supporting slide way 4 in a snap-fit manner, the screw motor 55 is mounted on the outer side of the screw seat 53, the screw slider 57 is mounted on the internal screw 54, the movable column 58 is disposed on the upper side of the screw slider 57, the buffering rod 59 is mounted on the upper side of the movable column 58, the front end of the supporting platform 511 is provided with a snap hook 512.

The utility model discloses difference with prior art: in the process of replacing the continuous casting slewing bearing 7 in the prior art, because the slewing bearing 7 is large and heavy, the swinging amplitude of lifting and replacing by using lifting equipment is large, so that lifting fracture can occur, the slewing bearing 7 is in danger of falling, and the safety factor is low, the bearing replacing device of the continuous casting slewing table of the utility model is characterized in that an electric hydraulic cylinder 9 is arranged below the mounting part of the slewing bearing 7, the electric hydraulic cylinder 9 is used for driving a telescopic hydraulic rod 10 to drive a lifting platform 11 to lift the slewing bearing 7 to a certain height, supporting mechanisms 5 arranged in translation slideways 3 at two sides of a replacing platform 2 are translated to the supporting part through manual work, rough calibration is carried out, a screw motor 55 is opened to drive an inner screw rod 54 to rotate, a screw rod sliding block 57 is enabled to move to a corresponding position, and a clamping embedding hook 512 at the upper end can be clamped into a groove of the slewing bearing 7, and then the telescopic hydraulic rods 10 are put down to enable the four groups of supporting mechanisms 5 to stably support the rotary bearing 7 and slowly translate through the translation slide ways 3, the connecting structure and the supporting mode at the bottom of the telescopic hydraulic rods are stable, the clamping and embedding are tight, and the safety factor is high.

In summary, the following steps: the bearing replacing device of the continuous casting rotary table of the utility model is provided with the electric hydraulic cylinder 9 below the installation part of the rotary bearing 7, the electric hydraulic cylinder 9 is used to drive the telescopic hydraulic rod 10 to drive the lifting platform 11 to lift the rotary bearing 7 to a certain height, the supporting mechanisms 5 arranged in the translation slideways 3 at the two sides of the replacing platform 2 are manually translated to the supporting part, rough calibration is carried out, the screw motor 55 is opened to drive the inner screw 54 to rotate, the screw slider 57 is enabled to move to a corresponding position, the snap hook 512 at the upper end can be snapped into the groove of the slewing bearing 7, then the telescopic hydraulic rod 10 is put down, the four groups of supporting mechanisms 5 can stably support the slewing bearing 7 and slowly translate through the translation slideway 3, the structure of the utility model is complete and reasonable, the connecting structure and the supporting mode at the bottom of the clamping device are stable, the clamping and embedding are tight, and the safety coefficient is high.

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

1. The utility model provides a device is changed to continuous casting revolving platform bearing, includes chassis (1), changes platform (2), translation slide (3), supports slide (4), supporting mechanism (5), bearing draw-in groove (6), slewing bearing (7), slide limiting plate (8), electric hydraulic cylinder (9), flexible hydraulic stem (10), elevating platform (11) and accomodate groove (12), its characterized in that: the upper side of the chassis (1) is provided with a replacing platform (2), two ends of the replacing platform (2) are respectively provided with a translation slideway (3), two ends of the translation slideway (3) are respectively provided with a slideway limiting plate (8), two sides of the translation slideway (3) are respectively provided with a supporting slideway (4), a supporting mechanism (5) is installed in the translation slideway (3), an electric hydraulic cylinder (9) is installed inside the chassis (1), a telescopic hydraulic rod (10) is installed on the upper side of the electric hydraulic cylinder (9), the top of the telescopic hydraulic rod (10) is provided with a lifting platform (11), the inner side of the center of the replacing platform (2) is provided with a bearing clamping groove (6), a rotary bearing (7) is installed inside the bearing clamping groove (6), and the bottom of the bearing clamping groove (6) is provided with a containing groove (12);

the supporting mechanism (5) comprises a slideway plate (51), a supporting plate (52), a screw rod seat (53), an inner screw rod (54), a screw rod motor (55), a supporting column (56), a screw rod sliding block (57), a movable column (58), a buffering rod (59), a buffering spring (510), a supporting platform (511) and a clamping and embedding hook (512), wherein the supporting plate (52) is arranged on the upper side of the slideway plate (51), the screw rod seat (53) is arranged on the upper side of the supporting plate (52), the inner screw rod (54) is arranged inside the screw rod seat (53), the supporting column (56) is respectively arranged at the two ends of the lower side of the screw rod seat (53), the screw rod motor (55) is arranged on the outer side of the screw rod seat (53), the screw rod sliding block (57) is arranged on the inner screw rod (54), the movable column (58) is arranged on the upper side of the screw rod sliding block (57), the buffering, the outside of buffer lever (59) is equipped with buffer spring (510), buffer spring (510) and the upside of buffer lever (59) are equipped with supporting platform (511), the front end of supporting platform (511) is equipped with inlay card hook (512).

2. A continuous casting turret bearing exchanging apparatus according to claim 1, wherein: the supporting columns (56) are embedded in the supporting slide ways (4).

3. A continuous casting turret bearing exchanging apparatus according to claim 1, wherein: the slideway plate (51) is embedded in the translation slideway (3).

4. A continuous casting turret bearing exchanging apparatus according to claim 1, wherein: the supporting mechanisms (5) are provided with four groups, and each translation slide way (3) is internally provided with two groups of supporting mechanisms (5).