CN111036865B - Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device - Google Patents
Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device Download PDFInfo
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- CN111036865B CN111036865B CN202010027832.8A CN202010027832A CN111036865B CN 111036865 B CN111036865 B CN 111036865B CN 202010027832 A CN202010027832 A CN 202010027832A CN 111036865 B CN111036865 B CN 111036865B
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- hydraulic cylinder
- continuous casting
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention belongs to the technical field of continuous casting crystallizer vibration, and relates to an electrohydraulic direct-drive small square billet continuous casting crystallizer vibration driving device; the hydraulic cylinder comprises a connecting valve block, hydraulic cylinders arranged on the connecting valve block, and motor pump units and cooling units which are arranged on two sides of the hydraulic cylinders and are connected with two ends of the valve block; the connecting valve block is internally provided with a hydraulic oil flowing pore canal, the motor pump unit drives the hydraulic cylinder to act, and the cooling unit cools the hydraulic oil. The invention has the integral characteristics of electromechanical liquid integration, compact structure and full-closed protection, adopts compressed air and cooling water to cool the driving device at high temperature, can meet the requirements of small installation space, continuous operation and severe working condition environment of the vibration equipment of the billet continuous casting crystallizer, and has the advantages of high reliability, long service life, basically no maintenance and plug and play; the whole quick replacement can be realized when faults occur, and the reason is not required to be checked on line, so that the shutdown maintenance time of the casting machine can be reduced, and the operation rate of the casting machine is improved.
Description
Technical Field
The invention belongs to the technical field of continuous casting crystallizer vibration, and relates to an electrohydraulic direct-drive small square billet continuous casting crystallizer vibration driving device.
Background
The crystallizer vibration device is used as key equipment of a continuous casting machine, and has the function of ensuring that a casting blank and a copper wall of the crystallizer are not bonded in the casting process through vibration of the crystallizer, and obtaining good surface quality of the casting blank. The continuous casting crystallizer has special vibration working condition, needs continuous non-stop operation, has more than hundred million times of annual vibration times, has severe operation surrounding environment conditions, has the environment temperature of more than 50 ℃, and has high requirements on the reliability and stability of a vibration system due to the fact that water vapor is accompanied in the air.
The existing crystallizer vibration device is divided into mechanical vibration, hydraulic servo vibration and electric cylinder vibration according to a driving control mode. The mechanical crystallizer vibrating device usually adopts a rotating motor and an eccentric wheel connecting rod mechanism to realize sinusoidal vibration, and has the defects that the mechanical abrasion is serious, the non-sinusoidal vibration, the vibration parameters such as amplitude, deflection and the like are difficult to realize, and the vibration parameters cannot be adjusted on line; the hydraulic servo crystallizer vibration device adopts an electrohydraulic servo valve to control a hydraulic cylinder to realize sinusoidal and non-sinusoidal vibration, and can conveniently realize on-line adjustment and monitoring of amplitude, frequency and waveform; the electric cylinder crystallizer vibrating device adopts the servo electric cylinder to directly drive the crystallizer vibrating table to realize sinusoidal and non-sinusoidal vibration, has the advantages of lower cost, convenient equipment maintenance, no pollution and the like, but has the defects of poor shock resistance, easy abrasion, short service life and the like of a lead screw of a core transmission component, and restricts the wider application of the electric cylinder crystallizer vibrating device.
With the development of hydraulic technology, a novel servo driving mode, namely a direct-drive electrohydraulic servo system, appears. The three functions of reversing, speed regulating and pressure regulating of the direct-drive electrohydraulic servo system are directly controlled by a servo motor, and a conventional electrohydraulic servo valve is not needed, so that the requirement on the cleanliness of oil is greatly reduced. Compared with the traditional electrohydraulic servo system, the direct-drive electrohydraulic servo system has the advantages of flexible servo motor transmission control, low electric transmission energy consumption, large hydraulic transmission output and strong pollution resistance.
Disclosure of Invention
In view of the above, the invention aims to provide an electrohydraulic direct-drive billet continuous casting crystallizer vibration driving device, which is characterized in that a motor pump unit and a cooling unit are arranged at two ends of a connecting valve block to realize the purpose of balanced arrangement.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The vibration driving device of the electro-hydraulic direct-drive billet continuous casting crystallizer comprises a connecting valve block, a hydraulic cylinder arranged on the connecting valve block, and motor pump units and cooling units which are arranged on two sides of the hydraulic cylinder and at two ends of the connecting valve block; the connecting valve block is internally provided with a hydraulic oil flowing pore canal, the motor pump unit drives the hydraulic cylinder to act, and the cooling unit cools the hydraulic oil.
Optionally, the motor pump unit includes a hydraulic pump and a servo motor disposed at both sides of the connection valve block.
Optionally, the cooling unit includes a cooling system and an accumulator disposed at both sides of the connecting valve block.
Optionally, the connecting valve block is further provided with a base, and the base is arranged on one side, far away from the hydraulic cylinder, of the connecting valve block.
Optionally, the connecting valve block is provided with a compressed air inlet, and the outer sides of the hydraulic pump, the servo motor and the cooling system are sleeved with sealing covers; the sealing cover is provided with an exhaust hole; the compressed air inlet is communicated to the sealing cover, and compressed air enters the sealing cover through the connecting valve block.
Optionally, the seal cover is made of stainless steel material.
Optionally, the connecting valve block is provided with a cooling water inlet and a cooling water outlet, and the cooling water inlet and the cooling water outlet are communicated in the connecting valve block.
Optionally, the hydraulic pump is driven by a servo motor, and a displacement sensor is arranged on the hydraulic cylinder and used for adjusting the rotating speed of the servo motor and adjusting sinusoidal or non-sinusoidal vibration of the hydraulic cylinder in a closed loop manner.
The invention has the beneficial effects that:
1. According to the invention, all elements are integrated on a whole, and the electromechanical liquid integrated design is realized, so that debugging, plug and play, convenient installation and quick replacement are finished before delivery;
2. the fully-closed design, compressed air protection and adaptation to the requirements of severe working environment working conditions;
3. Cooling water is adopted to cool, so that the long-time continuous high-frequency working requirement of the vibration driving integral device is ensured;
4. the servo motors and the cooling systems are arranged on two sides of the hydraulic cylinder, are symmetrically arranged, balance unbalanced load at two ends of the hydraulic cylinder, and prolong the service life of a sealing element of the hydraulic cylinder;
5. The whole quick replacement can be realized when faults occur, and the reason is not required to be checked on line, so that the shutdown maintenance time of the casting machine can be reduced, and the operation rate of the casting machine is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of the overall structure of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, reference numerals in the drawings indicate: the hydraulic pump 1, the connecting valve block 2, the servo motor 3, the hydraulic cylinder 4, the cooling system 5, the energy accumulator 6 and the base 7.
The invention relates to an electrohydraulic direct-drive billet continuous casting crystallizer vibration driving device, which comprises a connecting valve block 2, a hydraulic cylinder 4 arranged on the connecting valve block 2, and motor pump units and cooling units arranged on two sides of the hydraulic cylinder 4 and connected with two ends of the valve block 2; the connecting valve block 2 is provided with a hydraulic oil flowing pore canal, hydraulic oil among the hydraulic pump 1, the hydraulic cylinder 4, the cooling system 5 and the energy accumulator 6 is connected with the motor pump unit to drive the hydraulic cylinder 4 to act, and the cooling unit cools the hydraulic oil. The motor pump unit and the cooling unit are arranged at two sides of the hydraulic cylinder 4, so that the requirement of balanced arrangement at two sides of the hydraulic cylinder 4 is met, unbalanced load borne by the hydraulic cylinder 4 is reduced, and the service life of a sealing element of the hydraulic cylinder 4 is prolonged.
Optionally, the motor pump unit comprises a hydraulic pump 1 and a servo motor 3 arranged at two sides of the connecting valve block 2; the cooling unit comprises a cooling system 5 and an energy accumulator 6 which are arranged at two sides of the connecting valve block 2; a base 7 is further arranged on the connecting valve block 2, and the base 7 is arranged on one side of the connecting valve block 2 far away from the hydraulic cylinder 4; the connecting valve block 2 is provided with a compressed air inlet, and the outer sides of the hydraulic pump 1, the servo motor 3 and the cooling system 5 are respectively sleeved with a sealing cover; the sealing cover is provided with an exhaust hole; the compressed air inlet is communicated with the sealing cover, and compressed air enters the sealing cover through the connecting valve block 2; the sealing cover is made of stainless steel materials. Ensuring micro positive pressure in the sealing cover, preventing external water vapor from entering, corroding electric elements in the cover, and simultaneously taking out heat generated when the electric elements in the cover work by compressed air discharged from specific exhaust holes on the sealing cover.
The connecting valve block 2 is provided with a cooling water inlet and a cooling water outlet, and the cooling water inlet and the cooling water outlet are communicated in the connecting valve block 2; the cooling water enters the cooling system 5 through the cooling water pore canal of the connecting valve block 2, and the cooling system 5 cools the hydraulic oil in the transmission through the cooling water, so that the temperature of the hydraulic oil in the transmission is ensured to be within a reasonable range. The hydraulic pump 1 is driven by a servo motor 3, and the hydraulic cylinder 4 is provided with a displacement sensor for adjusting the rotating speed of the servo motor 3 and adjusting sinusoidal or non-sinusoidal vibration of the hydraulic cylinder 4 in a closed loop.
The servo motor 3 drives the hydraulic pump 1 to realize sinusoidal or non-sinusoidal vibration of the hydraulic cylinder 4, has the integral characteristics of electromechanical liquid integration, compact structure and full-closed protection, adopts compressed air and cooling water to cool the driving device at high temperature, can meet the requirements of small installation space, continuous operation and severe working condition environment of the small square billet continuous casting crystallizer vibration equipment, and has the advantages of high reliability, long service life, basically no maintenance and plug and play; the whole quick replacement can be realized when faults occur, and the reason is not required to be checked on line, so that the shutdown maintenance time of the casting machine can be reduced, and the operation rate of the casting machine is improved.
According to the invention, all elements are integrated on a whole, and the electromechanical liquid integrated design is realized, so that debugging, plug and play, convenient installation and quick replacement are finished before delivery; the fully-closed design, compressed air protection and adaptation to the requirements of severe working environment working conditions; cooling water is adopted to cool, so that the long-time continuous high-frequency working requirement of the vibration driving integral device is ensured; the servo motor 3 and the cooling system 5 are arranged at two sides of the hydraulic cylinder 4, symmetrically arranged, and used for balancing unbalanced load at two ends of the hydraulic cylinder 4, so that the service life of a sealing element of the hydraulic cylinder 4 is prolonged; the whole quick replacement can be realized when faults occur, and the reason is not required to be checked on line, so that the shutdown maintenance time of the casting machine can be reduced, and the operation rate of the casting machine is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (4)
1. The vibration driving device of the electro-hydraulic direct-drive billet continuous casting crystallizer is characterized by comprising a connecting valve block, a hydraulic cylinder arranged on the connecting valve block, motor pump units and cooling units, wherein the motor pump units and the cooling units are arranged on two sides of the hydraulic cylinder and are connected with two ends of the valve block; the connecting valve block is provided with a hydraulic oil flowing pore canal, the motor pump unit drives the hydraulic cylinder to act, and the cooling unit cools the hydraulic oil; the motor pump unit comprises a hydraulic pump and a servo motor which are arranged at two sides of the connecting valve block; the cooling unit comprises a cooling system and an energy accumulator which are arranged at two sides of the connecting valve block; the connecting valve block is also provided with a base, and the base is arranged on one side of the connecting valve block far away from the hydraulic cylinder; the connecting valve block is provided with a compressed air inlet, and the outer sides of the hydraulic pump, the servo motor and the cooling system are sleeved with sealing covers; the sealing cover is provided with an exhaust hole; the compressed air inlet is communicated to the sealing cover, and compressed air enters the sealing cover through the connecting valve block.
2. The vibration driving device of the electro-hydraulic direct-drive billet continuous casting mold according to claim 1, wherein the sealing cover is made of stainless steel material.
3. The vibration driving device of the electro-hydraulic direct-drive billet continuous casting crystallizer according to claim 1, wherein the connecting valve block is provided with a cooling water inlet and a cooling water outlet, and the cooling water inlet and the cooling water outlet are communicated in the connecting valve block.
4. The vibration driving device of the electro-hydraulic direct-drive billet continuous casting crystallizer according to claim 1, wherein the hydraulic pump is driven by a servo motor, and a displacement sensor is arranged on the hydraulic cylinder and used for adjusting the rotating speed of the servo motor and adjusting the sinusoidal or non-sinusoidal vibration of the hydraulic cylinder in a closed loop manner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027832.8A CN111036865B (en) | 2020-01-10 | 2020-01-10 | Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device |
| PCT/CN2020/119492 WO2021139285A1 (en) | 2020-01-10 | 2020-09-30 | Electro-hydraulic direct-drive billet continuous casting crystallizer vibration driving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010027832.8A CN111036865B (en) | 2020-01-10 | 2020-01-10 | Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111036865A CN111036865A (en) | 2020-04-21 |
| CN111036865B true CN111036865B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010027832.8A Active CN111036865B (en) | 2020-01-10 | 2020-01-10 | Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111036865B (en) |
| WO (1) | WO2021139285A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036865B (en) * | 2020-01-10 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Electro-hydraulic direct-drive small square billet continuous casting crystallizer vibration driving device |
| CN114603090B (en) * | 2022-03-11 | 2023-06-16 | 北京海卓博尔科技有限公司 | Crystallizer vibration driving device, control method and control system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111036865A (en) | 2020-04-21 |
| WO2021139285A1 (en) | 2021-07-15 |
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