CN218192450U

CN218192450U - Lifter for continuous casting and knockout

Info

Publication number: CN218192450U
Application number: CN202222460459.2U
Authority: CN
Inventors: 蒋洪赟; 刘新伟; 洪东伟; 尹一帆; 包秋鲁
Original assignee: Zhejiang Tianning Alloy Material Co ltd
Current assignee: Zhejiang Tianning Alloy Material Co ltd
Priority date: 2021-12-31
Filing date: 2022-09-14
Publication date: 2023-01-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a lifter for continuous casting and knockout, which comprises a placing table for leading round billets and a lifting mechanism for driving the placing table to move up and down, wherein the lifting mechanism comprises lifting components symmetrically arranged at two sides of the placing table, each lifting component comprises a winch, a steel wire rope and a fixed pulley, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope bypasses the fixed pulley and is connected with the placing table; the lower end of the placing table is further provided with a leveling mechanism capable of adjusting the placing table and enabling the placing table to be always in a horizontal state, the leveling mechanism comprises a leveling component arranged at the lower end of the placing table, the leveling component comprises a balance tripod, and proximity sensors are arranged on two sides of the balance tripod. The utility model discloses make and to resume to initial horizontality through adjustment mechanism after settling the platform slope.

Description

Lifter for continuous casting and knockout

Technical Field

The utility model belongs to the technical field of the alloy casting, concretely relates to lift is used in continuous casting ejection.

Background

Among the prior art, vertical conticaster ejection is adopted usually to major diameter round billet, the ejection mode is driven by pneumatic cylinder drive or operating system usually, operating system adopts the pair reel mostly, two wire rope, the form of double acting pulley drives the round billet and goes up and down, nevertheless in the lift in-process, the inconsistent condition of wire rope both sides traction force can appear, lead to the round billet to incline towards a certain side, and along with long-time operation, the traction force difference that probably can make both sides increases, the condition of aggravation slope, influence the final shaping of round billet, still probably press the crystallizer inner wall and damage the crystallizer.

Disclosure of Invention

The utility model discloses to not enough among the prior art, provide and to enable to settle a platform slope back, can automatic recovery to initial horizontality's a continuous casting is lift for ejection.

The invention aims to be realized by the following technical scheme:

a continuous casting knockout elevator, including leading the placing table to connect round billet and driving the lifting gearing that the placing table moves up and down, the said lifting gearing includes the symmetrical lifting unit that sets up in the two sides of placing table, the lifting unit includes hoist engine, wire rope, fixed pulley, one end of the wire rope is connected with hoist engine, another end rounds the fixed pulley and is connected with placing table; the lower end of the placing table is also provided with a leveling mechanism which can adjust the placing table and enable the placing table to be always in a horizontal state, and the leveling mechanism comprises a leveling component arranged at the lower end of the placing table.

In the scheme, the placing table is dragged by the steel wire ropes on two sides to keep horizontal balance, when the blank discharging is started, the winch is started and drives the placing table to move upwards or downwards through the steel wire ropes to realize the lifting of the placing table, and if the placing table in a horizontal state inclines downwards towards a certain side, the leveling component can automatically adjust and balance the placing table to enable the placing table to be restored to the horizontal state.

Preferably, the leveling assembly comprises a balance tripod arranged at the lower end of the placing table, proximity sensors are embedded at two sides of the balance tripod respectively, each proximity sensor is electrically connected with the winches at two sides, and when any one of the proximity sensors receives a signal, the two winches reversely rotate.

In the arrangement, when the installation platform inclines downwards towards a certain side, the other side of the installation platform tilts upwards and is far away from the proximity sensor on the tilted side, the side sensor cannot detect signals, one side of the platform with the downward tilt of the installation platform is close to the proximity sensor on the side, so that the installation platform is positioned in the detection range of the proximity sensor, the proximity sensor on the side receives the signals and transmits the signals to the windlasses on the two sides, the windlasses on one side start to release ropes, and the windlasses on the other side receive the ropes, so that the horizontal adjustment of the installation platform is realized; and after the round billet is formed, the round billet and the mounting table are immersed in water for cooling, and the proximity sensor is suitable for detecting in environments such as water, oil and the like.

Preferably, the vertex of the balance tripod is hinged below the mounting table, two sides of the balance tripod are connected with the mounting table through elastic expansion pieces, and two ends of the balance tripod are hung with balancing weights.

Among the above-mentioned setting, when settling the platform when the certain side direction down-tilting, can will push down with the balanced tripod of settling the platform homonymy, balanced tripod rotates through articulated summit, make the slope of balanced tripod, and the both ends balancing weight can make balanced tripod rotate and resume to horizontally balanced state, consequently balanced tripod can play partial supporting role to settling the platform, guarantee that the balance adjustment of settling the platform is stable, avoid the round billet to cause owing to the level control of settling the platform and rock, guarantee the shaping of round billet.

Preferably, the balance tripod is also movably connected with a positioning structure capable of driving the balance tripod and the placement table to move synchronously, the positioning structure comprises a screw rod, the screw rod is connected with a motor, the outer wall of the screw rod is in threaded connection with a fixed sliding block, and the fixed sliding block is movably hinged with the balance tripod through a bearing.

In the above-mentioned setting, balanced tripod can also drive balanced tripod through fixed slider and remove when can pass through the bearing around fixed slider pivoted, makes balanced tripod and arrangement platform relative position remain unchanged throughout, consequently makes adjusting part can realize adjusting the horizontal initial condition of arranging the platform.

Preferably, the motor and the winch are controlled by the same switch, and the speed of the motor driving the fixed slide block to move is consistent with the speed of the winch driving the mounting table to move.

The arrangement ensures that the fixed slide block and the mounting table can move synchronously, and the relative position of the fixed slide block and the mounting table is kept unchanged, so that the adjusting mechanism can adjust the horizontal initial state of the mounting table.

Preferably, the lifting mechanism further comprises a supporting rod in contact with the placing table, the supporting rod is provided with a guide sliding rail, and the placing table is provided with a roller capable of sliding along the guide sliding rail.

Among the above-mentioned setting, the gyro wheel of settling the platform is located the direction slide rail, has improved the unsettled support stability of settling the platform on the one hand, and on the other hand has injectd the slip direction of settling the platform, avoids settling the platform lift in-process other directions of deviating from.

Preferably, one set of the lifting assemblies has two fixed pulleys, and each fixed pulley is arranged at a corner of the mounting table.

In the arrangement, the four fixed pulleys are respectively arranged at the four corners of the placing table, so that the distance between the steel wire rope and the edge of the placing table is reduced while the placing table is supported in a balanced and stable manner, the moment applied to the edge of the placing table is small, and the side turning is not easy to occur.

Preferably, a movable pulley is further provided at a lower portion of the mounting table for each fixed pulley position.

The fixed pulley is arranged to reduce the stress of the steel wire rope, so that the service life of the steel wire rope is prolonged.

Preferably, a dummy bar head detachably connected with the round billet is arranged in the placing table, and the dummy bar head is provided with a dovetail groove.

In the arrangement, the round billet is connected with the placing table through the dummy bar head, and the dovetail groove enables the dummy bar head to be tightly connected with the round billet and convenient to disassemble

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, when settling the platform and inclining downwards towards a certain side, settle the platform and can be close to the proximity sensor of this side, make and settle the platform and be in proximity sensor's detection range, therefore the proximity sensor of this side receives the signal to with the hoist engine of signal transmission for both sides, make the hoist engine of one of them side then begin to put the rope, the hoist engine of opposite side is received the rope, consequently realizes settling the level (l) ing of platform.

Drawings

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

FIG. 2 is a schematic view of a part of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion I of FIG. 2;

the labels in the figure are: 1-a placing table, 2-a lifting mechanism, 21-a lifting assembly, 211-a winch, 212-a steel wire rope, 213-a fixed pulley, 214-a movable pulley, 22-a supporting rod, 221-a guide sliding rail, 3-a leveling mechanism, 31-a leveling assembly, 311-a balance tripod, 312-an elastic telescopic part, 313-a balancing weight, 32-a positioning structure, 321-a screw rod, 322-a motor, 323-a fixed sliding block, 33-a proximity sensor, 4-a dummy bar head and 41-a dovetail groove.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

in the embodiment, the lifter for continuous casting and billet ejection comprises a mounting table 1 for guiding and receiving a round billet and a lifting mechanism 2 for driving the mounting table 1 to move up and down, wherein the lifting mechanism 2 comprises lifting assemblies 22 symmetrically arranged on two sides of the mounting table 1, each lifting assembly 22 comprises a winch 211, a steel wire rope 212 and a fixed pulley 213, one end of each steel wire rope 212 is connected with the winch 211, and the other end of each steel wire rope 212 is connected with the mounting table 1 by bypassing the fixed pulley 213; the lower end of the placing table 1 is also provided with a leveling mechanism 3 which can adjust the placing table 1 and enable the placing table 1 to be in a horizontal state all the time, and the leveling mechanism 3 comprises a leveling component 31 arranged at the lower end of the placing table 1.

The leveling assembly 31 includes a balance tripod 311 disposed at the lower end of the mounting table 31, proximity sensors 33 are respectively embedded at both sides of the balance tripod 311, each proximity sensor 33 is electrically connected to the windlasses 211 at both sides, and when one of the proximity sensors 33 receives a signal, the two windlasses 211 rotate in opposite directions.

The top of the balance tripod 311 is hinged and supported below the setting table 1, two sides of the balance tripod 311 are connected with the setting table 1 through elastic expansion pieces 312, and two ends of the balance tripod 311 can be also detachably hung with balancing weights 313 to facilitate replacement of the balancing weights 313 with different weights;

when the placing table 1 inclines downwards towards a certain side, the balance tripod 311 on the same side with the placing table 1 is pressed downwards, the balance tripod 311 rotates through a hinged vertex, the balance tripod 311 inclines, and the balancing weights 313 at the two ends can enable the balance tripod 311 to rotate and return to a horizontal balance state, so that the balance tripod 311 can play a part of supporting role for the placing table 11, the horizontal adjustment of the placing table 1 is stable, the phenomenon that a round blank shakes due to the balance adjustment of the placing table 1 is avoided, and the forming of the round blank is ensured.

The balance tripod 311 is also movably connected with a positioning structure 32 capable of driving the balance tripod to synchronously move with the mounting table 1, the positioning structure 32 comprises a screw rod 321, the screw rod 321 is connected with a motor 322, the outer wall of the screw rod 321 is in threaded connection with a fixed sliding block 323, and the fixed sliding block 323 is movably hinged with the balance tripod 311 through a bearing;

the balance tripod 311 can rotate around the fixed sliding block 323 through a bearing, and simultaneously, the balance tripod 311 can be driven to move through the fixed sliding block 323, so that the relative position of the balance tripod 311 and the setting table 1 is always kept unchanged, and the adjusting component 31 can horizontally adjust the setting table 1.

The motor 322 and the winding machine 211 are controlled by the same switch, and the speed of the motor 322 driving the fixed slide 323 to move is the same as the speed of the winding machine 211 driving the platform 1 to move.

Through unified switch control, the fixed sliding block 323 and the setting platform 1 can be ensured to move synchronously, and the relative position of the fixed sliding block 323 and the setting platform 1 is ensured to be kept unchanged, so that the adjusting mechanism 2 can realize the adjustment of the horizontal initial state of the setting platform.

The lifting mechanism 2 further comprises a support rod 22 in contact with the mounting table 1, the support rod 22 is provided with a guide slide rail 221, and the mounting table 1 is provided with a roller capable of sliding along the guide slide rail 221; the set of lifting assembly 22 has two fixed pulleys 213, each fixed pulley 213 is disposed at a corner of the installation table 1, and a movable pulley 214 is disposed at a position corresponding to each fixed pulley 213 at the lower portion of the installation table 1.

A dummy bar head 4 detachably connected with the round billet is arranged in the setting table 1, and a dovetail groove 41 is arranged on the dummy bar head 4.

The utility model discloses a working process: when the installation platform 1 inclines downwards towards a certain side, the other side tilts upwards and is far away from the proximity sensor 33 on the tilted side, the proximity sensor 33 on the side cannot detect signals, the installation platform 1 on the side which tilts downwards is close to the proximity sensor 33 on the side, so that the installation platform 1 is in the detection range of the proximity sensor 33, the proximity sensor 33 on the side receives the signals and transmits the signals to the winches 211 on the two sides, the winch 211 on one side starts to pay off the ropes, and the winch 211 on the other side takes up the ropes, so that the horizontal adjustment of the installation platform 1 is realized.

It should be understood that in the claims and the description of the present invention, all of "including 8230 \8230;" including 8230; "being understood as an open meaning, i.e., the meaning is equivalent to" including at least 8230; \8230; "8230;" and "not being understood as a closed meaning, i.e., the meaning is not to be understood as" including only 8230; \8230; "8230;". The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The above description is only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention should be covered within the scope of the present invention.

Claims

1. A continuous casting knockout elevator comprises a placing platform (1) for leading and receiving round billets and an elevating mechanism (2) for driving the placing platform (1) to move up and down, wherein the elevating mechanism (2) comprises elevating components (21) symmetrically arranged at two sides of the placing platform (1), each elevating component (21) comprises a winch (211), a steel wire rope (212) and a fixed pulley (213), one end of each steel wire rope (212) is connected with the corresponding winch (211), and the other end of each steel wire rope (212) is connected with the corresponding placing platform (1) by bypassing the corresponding fixed pulley (213); the lower end of the placing table (1) is further provided with a leveling mechanism (3) capable of adjusting the placing table (1) and enabling the placing table (1) to be always in a horizontal state, and the leveling mechanism (3) comprises a leveling assembly (31) arranged at the lower end of the placing table (1).

2. The continuous casting and billet discharging elevator according to claim 1, wherein the leveling assembly (31) comprises a balance tripod (311) arranged below the mounting table (1), proximity sensors (33) are respectively embedded at two sides of the balance tripod (311), each proximity sensor (33) is electrically connected with the windlasses (211) at two sides, and when any one of the proximity sensors (33) receives a signal, the two windlasses (211) rotate reversely.

3. The continuous casting and billet discharging elevator according to claim 2, characterized in that the apex of the balance tripod (311) is hinged below the setting platform (1), two sides of the balance tripod (311) are connected with the setting platform (1) through elastic telescopic pieces (312), and balancing weights (313) are hung at two ends of the balance tripod (311).

4. The continuous casting and billet ejection elevator according to claim 2, wherein the balance tripod (311) is further movably connected with a positioning structure (32) capable of driving the balance tripod to synchronously move with the placing table (1), the positioning structure comprises a screw rod (321), the screw rod (321) is connected with a motor (322), the outer wall of the screw rod (321) is in threaded connection with a fixed sliding block (323), and the fixed sliding block (323) is movably hinged with the balance tripod (311) through a bearing.

5. The continuous casting and billet discharging elevator according to claim 4, wherein the motor (322) and the hoist (211) are controlled by the same switch, and the speed of the motor (322) driving the fixed slide block (323) to move is the same as the speed of the hoist (211) driving the setting table (1) to move.

6. The continuous casting knockout elevator according to claim 1, characterized in that the lifting mechanism (2) further comprises a support bar (22) contacting the mounting table (1), the support bar (22) is provided with a guide rail (221), and the mounting table (1) is provided with a roller capable of sliding along the guide rail (221).

7. The continuous casting and ejection elevator as claimed in claim 1, wherein the set of lifting assemblies (21) has two fixed pulleys (213), each fixed pulley (213) being disposed at a corner of the mounting table (1).

8. The continuous casting and billet discharging elevator according to claim 5, characterized in that a movable pulley (214) is further arranged at the lower part of the rest table (1) corresponding to the position of each fixed pulley (213).