CN111151582A - Core rod temperature control system and method - Google Patents
Core rod temperature control system and method Download PDFInfo
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- CN111151582A CN111151582A CN201911409467.0A CN201911409467A CN111151582A CN 111151582 A CN111151582 A CN 111151582A CN 201911409467 A CN201911409467 A CN 201911409467A CN 111151582 A CN111151582 A CN 111151582A
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- detection device
- cooling bed
- core rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a core rod temperature control system and a method, wherein the system comprises: the device comprises a stepping cooling bed, a driving mechanism, an inlet temperature detection device, an outlet temperature detection device and a water mist spraying device; the driving mechanism is used for driving the stepping cooling bed to lift and/or translate; the water mist spraying device is arranged on the stepping cooling bed and is used for spraying water mist to cool the core rod; the inlet temperature detection device is arranged at the inlet end of the stepping cooling bed and used for detecting the temperature of the core rod before the core rod enters the stepping cooling bed; and the outlet temperature detection device is arranged at the outlet end of the stepping cooling bed and is used for detecting the temperature of the core rod after leaving the stepping cooling bed. According to the mandrel temperature control system and method, the water mist spraying device is arranged to cool the mandrel, the inlet temperature detection device and the outlet temperature detection device are used for detecting the temperature of the mandrel in real time, and therefore the mandrel with the proper temperature is obtained, the subsequent graphite spraying effect is good, and the continuous rolling quality is improved.
Description
Technical Field
The invention relates to the technical field of continuous rolling units, in particular to a mandrel temperature control system and a mandrel temperature control method.
Background
The continuous tube rolling mill is characterized in that a hollow billet is sleeved on a long core rod and is continuously rolled into a steel tube through multi-machine frame sequential arrangement and roll gaps of adjacent machine frames staggered by 90 degrees.
The core rod is an important tool for rolling the continuous tube mill, the surface quality of the core rod is closely related to the quality of a finished product, graphite needs to be sprayed on the surface of the core rod before rolling, the spraying effect of the graphite depends on the temperature of the core rod before spraying, the graphite cannot form a coating before rolling at too low temperature, and the coating can be damaged at too high temperature. Therefore, precise control of the core rod temperature is required.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a temperature control system and method for a core rod. The specific technical scheme is as follows:
in a first aspect, there is provided a mandrel temperature control system, the system comprising: the device comprises a stepping cooling bed, a driving mechanism, an inlet temperature detection device, an outlet temperature detection device and a water mist spraying device; the driving mechanism is used for driving the stepping cooling bed to lift and/or translate; the water mist spraying device is arranged on the stepping cooling bed and is used for spraying water mist to cool the core rod; the inlet temperature detection device is arranged at the inlet end of the stepping cooling bed and is used for detecting the temperature of the core rod before the core rod enters the stepping cooling bed; the outlet temperature detection device is arranged at the outlet end of the stepping cooling bed and used for detecting the temperature of the core rod after leaving the stepping cooling bed.
In one possible design, the system further includes: the inlet temperature detection device, the outlet temperature detection device and the water mist spraying device are respectively connected with the control unit; and the control unit is used for controlling the water spraying amount of the water mist spraying device according to the temperature information detected by the outlet temperature detection device and the inlet temperature detection device.
In one possible design, the system further comprises a vertical position detection device and a vertical position detection device, the vertical position detection device and the driving mechanism are respectively connected with the control unit; and the control unit is used for controlling the driving mechanism to operate according to the position information detected by the vertical position detection device and the vertical position detection device.
In one possible design, the driving mechanism comprises a horizontal cylinder and a vertical cylinder, and the horizontal cylinder and the vertical cylinder are respectively connected with the control unit through corresponding proportional valves.
In one possible design, the vertical position detection device includes: the device comprises a fixing mechanism, a steel wire rope, a fixed pulley, a balance weight, a triggering mechanism and a detection mechanism; the fixed pulley is positioned above the stepping cooling bed, one end of the steel wire rope is connected with the stepping cooling bed through a fixing mechanism, and the other end of the steel wire rope is positioned on the side of the stepping cooling bed by bypassing the fixed pulley; the counterweight is connected to the other end of the steel wire rope and is used for tightening the steel wire rope; the trigger mechanism is arranged on the balance weight and used for completing position detection by matching with the detection mechanism.
In one possible design, the vertical position detecting device further includes: the steel wire rope comprises more than two guide sections with equal length, the guide mechanisms are provided with corresponding number of rope penetrating holes, and the guide sections penetrate through the rope penetrating holes.
In one possible design, the detection mechanism includes: and when the counterweight moves to a preset position, the trigger mechanism and the proximity switch relatively trigger the proximity switch.
In one possible design, the detection mechanism includes: the laser range finder, trigger mechanism is for setting up the reflector panel of counter weight bottom surface, the laser range finder sets up the below of counter weight and in the reflector panel is relative.
In a possible design, the system further includes an ambient temperature detection device, and the ambient temperature detection device is connected to the control unit, and is configured to detect ambient temperature information and send the ambient temperature information to the control unit.
In a second aspect, there is provided a method of controlling the temperature of a mandrel, the method comprising:
the driving mechanism drives the stepping cooling bed to move to the inlet end of the core rod;
the core rod falls onto the stepping cooling bed after the inlet temperature is recorded by the inlet temperature detection device;
the driving mechanism drives the stepping cooling bed to move to the outlet end of the core rod, water mist is sprayed out by the water mist spraying device in the moving process to cool the core rod, and the water spraying amount of the water mist spraying device is determined according to the inlet temperature of the core rod, the target temperature of the required core rod and the operation duration of the stepping cooling bed;
and (4) the core rod leaves the stepping cooling bed, the outlet temperature is recorded by an outlet temperature detection device and is compared with the target temperature.
The technical scheme of the invention has the following main advantages:
according to the mandrel temperature control system and method, the water mist spraying device is arranged to cool the mandrel, the inlet temperature detection device and the outlet temperature detection device are used for detecting the temperature of the mandrel in real time, and therefore the mandrel with the proper temperature is obtained, the subsequent graphite spraying effect is good, and the continuous rolling quality is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a core rod temperature control system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vertical position detection device in a core rod temperature control system according to an embodiment of the present invention.
Description of reference numerals:
1-step cooling bed, 2-inlet temperature detection device, 3-outlet temperature detection device, 4-vertical position detection device, 41-fixing mechanism, 42-steel wire rope, 421-guide section, 43-fixed pulley, 44-counterweight, 45-trigger mechanism, 46-detection mechanism, 461-proximity switch, 462-proximity switch bracket, 463-laser range finder, 464-laser range finding bracket, 47-guide mechanism and 5-ambient temperature detection device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
In a first aspect, an embodiment of the present invention provides a temperature control system for a mandrel, as shown in fig. 1, the system includes: the device comprises a stepping cooling bed 1, a driving mechanism, an inlet temperature detection device 2, an outlet temperature detection device 3 and a water mist spraying device. The driving mechanism is used for driving the stepping cooling bed 1 to lift and/or translate. The water mist spraying device is arranged on the stepping cooling bed 1 and is used for spraying water mist to cool the core rod. The inlet temperature detection device 2 is arranged at the inlet end of the stepping cooling bed 1 and is used for detecting the temperature of the core rod before the core rod enters the stepping cooling bed 1. The outlet temperature detection device 3 is arranged at the outlet end of the stepping cooling bed 1 and is used for detecting the temperature of the core rod after leaving the stepping cooling bed 1.
The working principle of the core rod temperature control system provided by the embodiment of the invention is explained as follows:
when the cooling device is used, the stepping cooling bed 1 reciprocates between the inlet end and the outlet end of the core rod to transport the core rod and cool the core rod in the transportation process. The specific process is as follows: the driving mechanism drives the stepping cooling bed 1 to move to the inlet end of the core rod. The core rod falls into the stepping cooling bed 1 after the inlet temperature is recorded by the inlet temperature detection device 2. The driving mechanism drives the stepping cooling bed 1 to move to the outlet end of the core rod, and the water mist spraying device sprays water mist to cool the core rod in the moving process. The core rod leaves the step cooling bed 1 and the leaving temperature is recorded by the outlet temperature detection device 3. Further, the inlet temperature is detected and recorded, and the amount of the sprayed water mist of the water mist spraying device is determined according to the inlet temperature of the core rod, the required target temperature of the core rod and the running time of the stepping cooling bed 1 (namely the retention time of the core rod on the stepping cooling bed 1), so that the leaving temperature of the core rod can be accurately controlled. By arranging the outlet temperature detection device 3, the outlet temperature is compared with the target temperature, whether the temperature is suitable when the core rod leaves is judged, and the temperature control precision is improved.
According to the mandrel temperature control system provided by the embodiment of the invention, the water mist spraying device is arranged to cool the mandrel, the inlet temperature detection device 2 and the outlet temperature detection device 3 are used for detecting the temperature of the mandrel in real time, and then the mandrel with the proper temperature is obtained, so that the subsequent graphite spraying effect is better, and the continuous rolling quality is improved.
The core rod temperature control system provided by the embodiment of the invention further comprises a graphite lubricating and conveying device, and the core rod temperature control system is conveyed to the next process site by the graphite lubricating and conveying device after leaving the stepping cooling bed 1.
From the above, the amount of the sprayed water mist of the water mist spraying device is determined according to the inlet temperature of the mandrel, the target temperature of the required mandrel and the operation time of the stepping cooling bed 1 (i.e. the residence time of the mandrel on the stepping cooling bed 1), and in order to realize spraying automation, the mandrel temperature control system provided by the embodiment of the invention further comprises: the inlet temperature detection device 2, the outlet temperature detection device 3 and the water mist spraying device are respectively connected with the control unit; and the control unit is used for controlling the water spraying amount of the water mist spraying device according to the temperature information detected by the outlet temperature detection device 3 and the inlet temperature detection device 2.
So set up, realize the automated control who sprays the process. And the control unit compares the outlet temperature with the target temperature to adjust the water spraying quantity of the water spray spraying device, so that a closed-loop feedback control process is formed, and the control precision is improved.
Further, the core rod temperature control system provided by the embodiment of the invention further comprises an ambient temperature detection device 5, wherein the ambient temperature detection device 5 is connected with the control unit and is used for detecting ambient temperature information and sending the ambient temperature information to the control unit. It can be understood that the ambient temperature affects the cooling rate of the core rod, and the accuracy of temperature control can be further improved by detecting the ambient temperature and correcting the amount of water sprayed by the water mist spraying device.
Optionally, the mandrel temperature control system provided in the embodiment of the present invention further includes a vertical position detection device 4 and a vertical position detection device, where the vertical position detection device 4, the vertical position detection device, and the driving mechanism are respectively connected to the control unit; and the control unit is used for controlling the driving mechanism to operate according to the position information detected by the vertical position detection device 4 and the vertical position detection device.
So set up, can carry out closed loop feedback control to the removal of step-by-step cold bed 1, improve the accurate control of step-by-step cold bed 1 drive process.
The driving mechanism can comprise a horizontal oil cylinder and a vertical oil cylinder, and the horizontal oil cylinder and the vertical oil cylinder are respectively connected with the control unit through corresponding proportional valves. The control unit controls the proportional valve to adopt PID control, which can ensure the generation of a structure, ensure the cloud top of the stepping cooling bed 1 to be uniform and gentle, achieve the purposes of light holding and light placing of the core rod, and avoid the core rod from colliding and damaging and the like.
How to arrange the vertical position detection device 4 is explained in detail below:
the vertical position detection device 4 includes: a fixing mechanism 41, a wire rope 42, a fixed pulley 43, a counterweight 44, a triggering mechanism 45 and a detecting mechanism 46; the fixed pulley 43 is positioned above the stepping cooling bed 1, one end of the steel wire rope 42 is connected with the stepping cooling bed 1 through the fixing mechanism 41, and the other end of the steel wire rope is positioned on the side of the stepping cooling bed 1 by bypassing the fixed pulley 43; the counterweight 44 is connected to the other end of the steel wire rope 42 and is used for tightening the steel wire rope 42; a trigger mechanism 45 is provided on the counterweight 44 for completing position detection in cooperation with a detection mechanism 46.
So set up, walk around fixed pulley 43 both ends through wire rope 42 and be connected with step-by-step cold bed 1 and counter weight 44 respectively, indirectly acquire step-by-step cold bed 1 position through detecting counter weight 44 position, avoid step-by-step detection inefficacy and the damage that 1 shake of cold bed leads to.
Wherein, fixing mechanism 41 can be for setting up pull ring or handle etc. on step-by-step cold bed 1, and wire rope 42's one end can twine on fixing mechanism 41, and perhaps, fixing mechanism 41 can be the bolt, and back on the bolt was twined to wire rope 42's one end, and the bolt is inserted step-by-step cold bed 1 and is compressed tightly fixed wire rope 42 with threaded connection.
Optionally, in order to make the moving process of the wire rope 42 smoother, as shown in fig. 1 and fig. 2, the vertical position detecting device 4 further includes: and a guide mechanism 47. The steel wire rope 42 comprises more than two guide sections 421 with equal length, the guide mechanism 47 is provided with a corresponding number of rope threading holes, and the guide sections 421 pass through the rope threading holes. So set up, carry on spacingly through guiding mechanism 47 to wire rope 42's direction section 421, avoid wire rope 42 to take place horizontal skew and rock etc. further improve stability.
Wherein, the both ends of guide section 421 can be provided with the connecting plate respectively, and the both ends of two or more guide sections 421 are connected with the connecting plate respectively, and the connecting plate of upper end is connected with single wire rope 42, and the connecting plate of lower extreme is connected with counter weight 44.
The guiding mechanism 47 may include a plurality of guiding plates arranged in parallel from top to bottom at intervals, and each guiding plate is provided with two or more threading holes adapted to the guiding section 421.
As to how the detection mechanism 46 is provided, two examples are given below:
as an example, as shown in fig. 2, the detection mechanism 46 includes: when the proximity switch 461 and the weight 44 move to the predetermined position, the trigger mechanism 45 triggers the proximity switch 461 opposite to the proximity switch 461. So configured, the detection mechanism 46 is capable of performing a limit detection, which when activated by the proximity switch 461 indicates that the step cooling bed 1 has reached a predetermined position.
In this example, to facilitate mounting of the proximity switch 461, the detection mechanism 46 further includes: a proximity switch holder 462, and a proximity switch 461 is provided on the proximity switch holder 462.
As shown in fig. 2, the proximity switch bracket 462 is located at the side of the wire rope 42 and the counterweight 44, the trigger mechanism 45 is disposed at the side of the counterweight 44, and when the counterweight 44 moves to the same height as the proximity switch 461, the proximity switch 461 is triggered.
As another example, as shown in fig. 1, the detection mechanism 46 includes: the laser range finder 463 and the trigger mechanism 45 are reflectors arranged on the bottom surface of the counterweight 44, and the laser range finder 463 is arranged below the counterweight 44 and opposite to the reflectors. So configured, the distance between the counterweight 44 and the laser range finder 463 is determined by the reflected light, and the position of the stepping cooling bed 1 is determined. The detection mechanism 46 in this example can perform position detection of the step cooling bed 1.
In this example, in order to facilitate mounting of the laser range finder 463, the detection mechanism 46 includes: a laser ranging bracket 464, a laser range finder 463 arranged on the laser ranging bracket 464
In a second aspect, an embodiment of the present invention provides a method for controlling a temperature of a mandrel, where the method includes:
the driving mechanism drives the stepping cooling bed 1 to move to the inlet end of the core rod.
The core rod is dropped on the stepping cooling bed 1 after the inlet temperature is recorded by the inlet temperature detection device 2.
The driving mechanism drives the stepping cooling bed 1 to move to the outlet end of the core rod, water mist sprayed by the water mist spraying device in the moving process cools the core rod, and the water spraying amount of the water mist spraying device is determined according to the inlet temperature of the core rod, the target temperature of the required core rod and the operation duration of the stepping cooling bed 1.
The core rod leaves the stepping cooling bed 1, and the outlet temperature is recorded by the outlet temperature detection device 3 and compared with the target temperature.
According to the mandrel temperature control method provided by the embodiment of the invention, the mandrel is cooled by arranging the water mist spraying device, the temperature of the mandrel is detected in real time by the inlet temperature detection device 2 and the outlet temperature detection device 3, and then the mandrel with the proper temperature is obtained, so that the subsequent graphite spraying effect is better, and the continuous rolling quality is improved.
It is noted that, in this document, 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. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A mandrel temperature control system, the system comprising: the device comprises a stepping cooling bed, a driving mechanism, an inlet temperature detection device, an outlet temperature detection device and a water mist spraying device;
the driving mechanism is used for driving the stepping cooling bed to lift and/or translate;
the water mist spraying device is arranged on the stepping cooling bed and is used for spraying water mist to cool the core rod;
the inlet temperature detection device is arranged at the inlet end of the stepping cooling bed and is used for detecting the temperature of the core rod before the core rod enters the stepping cooling bed;
the outlet temperature detection device is arranged at the outlet end of the stepping cooling bed and used for detecting the temperature of the core rod after leaving the stepping cooling bed.
2. The mandrel temperature control system of claim 1, further comprising: the inlet temperature detection device, the outlet temperature detection device and the water mist spraying device are respectively connected with the control unit;
and the control unit is used for controlling the water spraying amount of the water mist spraying device according to the temperature information detected by the outlet temperature detection device and the inlet temperature detection device.
3. The mandrel temperature control system of claim 2, further comprising a vertical position detection device and a vertical position detection device, wherein the vertical position detection device, the vertical position detection device and the drive mechanism are respectively connected to the control unit;
and the control unit is used for controlling the driving mechanism to operate according to the position information detected by the vertical position detection device and the vertical position detection device.
4. The mandrel temperature control system of claim 3, wherein the drive mechanism comprises a horizontal cylinder and a vertical cylinder, the horizontal cylinder and the vertical cylinder being connected to the control unit via respective proportional valves.
5. The mandrel temperature control system of claim 3 wherein the vertical position sensing device comprises: the device comprises a fixing mechanism, a steel wire rope, a fixed pulley, a balance weight, a triggering mechanism and a detection mechanism; the fixed pulley is positioned above the stepping cooling bed, one end of the steel wire rope is connected with the stepping cooling bed through a fixing mechanism, and the other end of the steel wire rope is positioned on the side of the stepping cooling bed by bypassing the fixed pulley; the counterweight is connected to the other end of the steel wire rope and is used for tightening the steel wire rope; the trigger mechanism is arranged on the balance weight and used for completing position detection by matching with the detection mechanism.
6. The mandrel temperature control system of claim 5 wherein the vertical position sensing device further comprises: the steel wire rope comprises more than two guide sections with equal length, the guide mechanisms are provided with corresponding number of rope penetrating holes, and the guide sections penetrate through the rope penetrating holes.
7. The mandrel temperature control system of claim 5 wherein the detection mechanism comprises: and when the counterweight moves to a preset position, the trigger mechanism and the proximity switch relatively trigger the proximity switch.
8. The mandrel temperature control system of claim 5 wherein the detection mechanism comprises: the laser range finder, trigger mechanism is for setting up the reflector panel of counter weight bottom surface, the laser range finder sets up the below of counter weight and in the reflector panel is relative.
9. The mandrel temperature control system of claim 2 further comprising an ambient temperature sensing device connected to the control unit for sensing ambient temperature information and sending it to the control unit.
10. A method of temperature control of a mandrel, the method comprising:
the driving mechanism drives the stepping cooling bed to move to the inlet end of the core rod;
the core rod falls onto the stepping cooling bed after the inlet temperature is recorded by the inlet temperature detection device;
the driving mechanism drives the stepping cooling bed to move to the outlet end of the core rod, water mist is sprayed out by the water mist spraying device in the moving process to cool the core rod, and the water spraying amount of the water mist spraying device is determined according to the inlet temperature of the core rod, the target temperature of the required core rod and the operation duration of the stepping cooling bed;
and (4) the core rod leaves the stepping cooling bed, the outlet temperature is recorded by an outlet temperature detection device and is compared with the target temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409467.0A CN111151582A (en) | 2019-12-31 | 2019-12-31 | Core rod temperature control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409467.0A CN111151582A (en) | 2019-12-31 | 2019-12-31 | Core rod temperature control system and method |
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| CN111151582A true CN111151582A (en) | 2020-05-15 |
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| CN201911409467.0A Pending CN111151582A (en) | 2019-12-31 | 2019-12-31 | Core rod temperature control system and method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840461A (en) * | 2005-03-30 | 2006-10-04 | 株式会社日立制作所 | System for detecting position of moving body and method |
| CN101204719A (en) * | 2007-12-01 | 2008-06-25 | 太原重型机械集团有限公司 | Core rod cycle device for drawing and extending hydraulic machine |
| CN201304418Y (en) * | 2008-12-11 | 2009-09-09 | 中冶东方工程技术有限公司 | A reversal stepping cold bed hydraulic synchronization control device |
| CN201735606U (en) * | 2010-05-20 | 2011-02-09 | 中冶东方工程技术有限公司 | Forced cooling device of rolled piece |
| CN202762748U (en) * | 2012-10-04 | 2013-03-06 | 黑龙江建龙钢铁有限公司 | Cooling bed with counter weight device on transverse beam |
| CN103567225A (en) * | 2013-11-22 | 2014-02-12 | 太原重工股份有限公司 | Mandrel cooling device |
| CN206838767U (en) * | 2017-05-12 | 2018-01-05 | 江苏博际喷雾系统股份有限公司 | A kind of steel-rolling cooling bed spray cooling system |
| CN108746210A (en) * | 2018-07-12 | 2018-11-06 | 江苏常宝普莱森钢管有限公司 | A kind of cooling process method and its device of plug |
| CN208130319U (en) * | 2018-04-08 | 2018-11-23 | 湖南文理学院 | A kind of bearing block regulating device taken exercise for arm strength |
| CN209510785U (en) * | 2019-02-24 | 2019-10-18 | 新疆八一钢铁股份有限公司 | A kind of cylinder position detector |
-
2019
- 2019-12-31 CN CN201911409467.0A patent/CN111151582A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840461A (en) * | 2005-03-30 | 2006-10-04 | 株式会社日立制作所 | System for detecting position of moving body and method |
| CN101204719A (en) * | 2007-12-01 | 2008-06-25 | 太原重型机械集团有限公司 | Core rod cycle device for drawing and extending hydraulic machine |
| CN201304418Y (en) * | 2008-12-11 | 2009-09-09 | 中冶东方工程技术有限公司 | A reversal stepping cold bed hydraulic synchronization control device |
| CN201735606U (en) * | 2010-05-20 | 2011-02-09 | 中冶东方工程技术有限公司 | Forced cooling device of rolled piece |
| CN202762748U (en) * | 2012-10-04 | 2013-03-06 | 黑龙江建龙钢铁有限公司 | Cooling bed with counter weight device on transverse beam |
| CN103567225A (en) * | 2013-11-22 | 2014-02-12 | 太原重工股份有限公司 | Mandrel cooling device |
| CN206838767U (en) * | 2017-05-12 | 2018-01-05 | 江苏博际喷雾系统股份有限公司 | A kind of steel-rolling cooling bed spray cooling system |
| CN208130319U (en) * | 2018-04-08 | 2018-11-23 | 湖南文理学院 | A kind of bearing block regulating device taken exercise for arm strength |
| CN108746210A (en) * | 2018-07-12 | 2018-11-06 | 江苏常宝普莱森钢管有限公司 | A kind of cooling process method and its device of plug |
| CN209510785U (en) * | 2019-02-24 | 2019-10-18 | 新疆八一钢铁股份有限公司 | A kind of cylinder position detector |
Non-Patent Citations (1)
| Title |
|---|
| 郭新文等: "《中型H型钢生产工艺与电气控制》", 30 November 2011, 冶金工业出版社 * |
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Application publication date: 20200515 |
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