CN202137350U - On-line weighing system for continuous casting slab - Google Patents

On-line weighing system for continuous casting slab Download PDF

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Publication number
CN202137350U
CN202137350U CN201120229719U CN201120229719U CN202137350U CN 202137350 U CN202137350 U CN 202137350U CN 201120229719 U CN201120229719 U CN 201120229719U CN 201120229719 U CN201120229719 U CN 201120229719U CN 202137350 U CN202137350 U CN 202137350U
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CN
China
Prior art keywords
weighting platform
continuous casting
weighing
steel billet
casting steel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201120229719U
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Chinese (zh)
Inventor
赵阳基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI TONGINE MACHINERY MANUFACTURING CO LTD
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SHANGHAI TONGINE MACHINERY MANUFACTURING CO LTD
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Priority to CN201120229719U priority Critical patent/CN202137350U/en
Application granted granted Critical
Publication of CN202137350U publication Critical patent/CN202137350U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relate to an on-line weighing system for a continuous casting slab, which comprises a control device and lifting weighing platforms. Each lifting weighing platform comprises an upper weighing platform, a lower weighing platform, a weighing sensor and a hydraulic lifting device; the lower weighing platform is arranged on the hydraulic lifting device; the weighing sensor is arranged between the upper weighing platform and the lower weighing platform; and the weighing sensor and the hydraulic lifting device are respectively in circuit connection with the control device. Preferably, the hydraulic lifting device comprises a hydraulic cylinder and a hydraulic control part; the lower weighing platform is arranged on the hydraulic cylinder which is in circuit connection with the control device through the hydraulic control part; the on-line weighing system also comprises limiting devices and positioning devices; the two lifting weighing platforms are arranged to be in a straight line and are respectively in circuit connection with the control device; and the on-line weighing system also comprises an upper computer which is in circuit connection with the control device. The on-line weighing system is ingenious in conception, unique in design, simple in structure and precise in weighing and has improved system stability. According to the utility model, the weighing system can be ensured to operate normally and continuously; therefore, the on-line weighing system is suitable for being popularized and applied on a large scale.

Description

Continuous casting steel billet online weighing system
Technical field
The utility model relates to the weighing system technical field, and particularly slab weighing system technical field specifically is meant a kind of continuous casting steel billet online weighing system, is applied in the steel industry continuous casting steel billet weighing system.
Background technology
Slab is that molten steel passes through the formation of conticaster continuous casting, and general strand flakiness ratio is greater than 3, and it is mainly used in rolled plate.The measurement of its weight is related to the transmission of measuring between each operation, also is related to economic benefit of enterprises simultaneously.The measurement of slab weight is roughly having at present: fixed roller-way scale, online slab scale.Fixed roller-way scale all has than higher requirement flatness and the concentricity that roller-way is installed, and the impact of slab, the vibration of roller-way all can cause than mistake weighing; Weighing platform and roller-way form overall structure, and maintenance is difficulty relatively.Online slab scale is made up of frame for movement, Weighting and Controlling System, weight detecting system, hydraulic system four parts.System is installed in the hydraulic cylinder below with sensor, because unbalance loading, problems such as hydraulic cylinder leakage influence weighing precision, even cause hydraulic cylinder stuck, and system can't move.
Therefore, for the problems referred to above and the defective that solves existence, a kind of continuous casting steel billet online weighing system need be provided, its weighing is accurate, and the stability of a system improves, and guarantees the normal continuously work of weighing system.
The utility model content
The purpose of the utility model is to have overcome above-mentioned shortcoming of the prior art, and a kind of continuous casting steel billet online weighing system is provided, and this continuous casting steel billet online weighing concept of system is ingenious; Design is unique; Simple for structure, weighing is accurate, and the stability of a system improves; Guarantee the normal continuously work of weighing system, be suitable for large-scale promotion application.
To achieve these goals; The continuous casting steel billet online weighing system of the utility model is characterized in, comprises control device and liftable weighting platform; Said liftable weighting platform comprises weighting platform, following weighting platform, LOAD CELLS and hydraulic lift; Said following weighting platform is installed on the said hydraulic lift, and said LOAD CELLS is installed in said going up between weighting platform and the said following weighting platform, and said LOAD CELLS is connected with said control device circuit respectively with said hydraulic lift.
Preferably, said hydraulic lift comprises hydraulic cylinder and control block hydraulic unit with, and said weighting platform down is installed on the said hydraulic cylinder, and said hydraulic cylinder connects said control device through said control block hydraulic unit with circuit.
More preferably, said control block hydraulic unit with is integrated on the said hydraulic cylinder.
More preferably, said hydraulic cylinder comprises cylinder body and the piston rod that is arranged in the said cylinder body, and the free end of said piston rod wears out said cylinder body and is fastened under the said weighting platform down.
Further, the free end of said piston rod is a spheric end.
More preferably, said hydraulic lift also comprises position sensor, and said position sensor circuit connects said control device.
Preferably, said continuous casting steel billet online weighing system also comprises stopping means, and said stopping means and said weighting platform down are equipped with and are used to limit the said lifting height of weighting platform down.
Preferably, said continuous casting steel billet online weighing system also comprises positioner, and said positioner and said weighting platform down are equipped with and are used to locate said weighting platform down.
Preferably, the number of said liftable weighting platform is 2, the arrangement that is in line, and be connected with said control device circuit respectively.
Preferably, said continuous casting steel billet online weighing system also comprises host computer, and said host computer circuit connects said control device.
The beneficial effect of the utility model specifically is:
1, the continuous casting steel billet online weighing system of the utility model comprises control device and liftable weighting platform, and said liftable weighting platform comprises weighting platform, following weighting platform, LOAD CELLS and hydraulic lift, and said weighting platform down is installed on the said hydraulic lift; Said LOAD CELLS is installed between said last weighting platform and the said following weighting platform, and said LOAD CELLS is connected with said control device circuit respectively with said hydraulic lift, on the one hand; Because be the liftable weighting platform, slab impacts, the influence of roller-way vibration so can not receive, and keeps in repair also simple; On the other hand, LOAD CELLS is installed in the hydraulic lift top, even hydraulic lift is revealed; Also can not influence weighing precision, be skillfully constructed, design is unique; Simple for structure, weighing is accurate, and the stability of a system improves; Guarantee the normal continuously work of weighing system, be suitable for large-scale promotion application.
2, the number of the liftable weighting platform of the continuous casting steel billet online weighing system of the utility model is 2, the arrangement that is in line, and be connected with said control device circuit respectively; Use one of them weighting platform when weighing the short slab base, use two weighting platforms when weighing the long slab base simultaneously, be skillfully constructed; Design is unique, and is simple for structure, is not only applicable to weighing of short slab base; Also be applicable to weighing of long slab base, thereby improve the precision of measuring, be suitable for large-scale promotion application.
Description of drawings
Fig. 1 is that the master that a specific embodiment of the utility model is in holding state looks sketch map.
Fig. 2 is the schematic side view that specific embodiment shown in Figure 1 is in holding state.
Fig. 3 is that the master that specific embodiment shown in Figure 1 is in the state of weighing looks sketch map.
Fig. 4 is the schematic side view that specific embodiment shown in Figure 1 is in the state of weighing.
Fig. 5 is the hydraulic schematic diagram of the hydraulic lift of specific embodiment shown in Figure 1.
Fig. 6 is the hydraulic cylinder of specific embodiment shown in Figure 1 and the coupling part sketch map of following weighting platform.
The specific embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.Should be understood that embodiment is used to explain the utility model, rather than to the restriction of the utility model.
See also shown in Fig. 1-6; The continuous casting steel billet online weighing system of the utility model comprises control device (not shown) and liftable weighting platform 1; Said liftable weighting platform 1 comprises weighting platform 2, following weighting platform 3, LOAD CELLS 4 and hydraulic lift 5; Said following weighting platform 3 is installed on the said hydraulic lift 5, and said LOAD CELLS 4 is installed in said going up between weighting platform 2 and the said following weighting platform 3, and said LOAD CELLS 4 is connected with said control device circuit respectively with said hydraulic lift 5.
Said hydraulic lift 5 can any suitable hydraulic lift; Preferably; Said hydraulic lift 5 comprises hydraulic cylinder 6 and control block hydraulic unit with (not shown); Said weighting platform 3 down is installed on the said hydraulic cylinder 6, and said hydraulic cylinder 6 connects said control device through said control block hydraulic unit with circuit.In the specific embodiment of the utility model, said control block hydraulic unit with is integrated on the said hydraulic cylinder 6.
The number of said LOAD CELLS 4 can be any; In order to obtain to weigh more accurately; In the specific embodiment of the utility model; The number of said LOAD CELLS 4 is 4, and the said weighting platform 2 of going up is a rectangle with said weighting platform 3 down, and said LOAD CELLS 4 is installed in said weighting platform 2 and the said position at four angles of weighting platform 3 down of going up respectively.
Said hydraulic cylinder 6 can have any suitable structure, and more preferably, said hydraulic cylinder 6 comprises cylinder body 61 and the piston rod 62 that is arranged in the said cylinder body 61, and the free end of said piston rod 62 wears out said cylinder body 61 and is fastened on said weighting platform down 3 times.See also shown in Figure 6ly, in the specific embodiment of the utility model, the free end of said piston rod 62 is a spheric end.
For the lifting height of control piston bar 62 better, in the specific embodiment of the utility model, said hydraulic lift also comprises the position sensor (not shown), and said position sensor circuit connects said control device.
In order to make weighting platform 2 rise to proper height; See also Fig. 2 and shown in Figure 4; In the specific embodiment of the utility model, said continuous casting steel billet online weighing system also comprises stopping means 7, and said stopping means 7 is equipped with said weighting platform 3 down and is used to limit the said lifting height of weighting platform 3 down.
In order to make down weighting platform 3 in correct position location, in the specific embodiment of the utility model, said continuous casting steel billet online weighing system also comprises the positioner (not shown), said positioner and said weighting platform 3 down be equipped be used to locate said under weighting platform 3.
The number of said liftable weighting platform 1 can confirm as required that in the specific embodiment of the utility model, the number of said liftable weighting platform 1 is 2, the arrangement that is in line, and be connected with said control device circuit respectively.
Said control device can be any suitable device, and in the specific embodiment of the utility model, said control device is a built-in industrial control machine.
Carry out communication for the ease of remote monitoring with said control device, preferably, said continuous casting steel billet online weighing system also comprises the host computer (not shown), and said host computer circuit connects said control device.In the specific embodiment of the utility model, host computer is the PLC host computer.
Slab length can obtain through any suitable manner, and in the specific embodiment of the utility model, slab length sends to control device through host computer.Perhaps, also can be, said continuous casting steel billet online weighing system also comprises slab linear measure longimetry parts, and said slab linear measure longimetry component circuitry connects said control device.Slab length sends to control device after measuring through slab linear measure longimetry parts.
When the utility model uses, be installed in the roller district of weighing of continuous casting line, see also shown in Fig. 1-2 and the 3-4, liftable weighting platform 1 has under hydraulic control weighs and the standby two states, is the state of weighing during rising, is holding state when not raising.
During holding state, when continuous casting steel billet 8 enters into when weighing the roller district, if slab is longer than 6000mm (long base), and slab is seated on the two liftable weighting platforms 1, sends the long base signal that puts in place by host computer.When control device receives long base when putting signal in place; Control device control control block hydraulic unit with makes last weighting platform 2, LOAD CELLS 4 and 3 risings (through the support 9 on the last weighting platform 2) of following weighting platform of two liftable weighting platforms hold up continuous casting steel billet 8 through hydraulic cylinder 6 and weighs; Last weighting platform 2, LOAD CELLS 4 and following weighting platform 3 rise stable after; LOAD CELLS 4 is sent the weight signal that records into control device; Control device is seen the weight signal of two liftable weighting platforms 1 and the weight signal of their stacks off through Ethernet; See gross weight off through RS-485 and give for example display unit; And convert gross weight into the 4-20mA signal and give PLC host computer,, sends the PLC host computer end signal of weighing when receiving accurate data, and control device control control block hydraulic unit with makes last weighting platform 2, LOAD CELLS 4 and 3 declines of following weighting platform of two liftable weighting platforms 1 through hydraulic cylinder 6; Continuous casting steel billet 8 drops on the driven roller 10 and leaves weighting platform 2 down in system's control, stablizes timed unit when last weighting platform 2, LOAD CELLS 4 and 3 declines of following weighting platform and sends standby signal.
If the length of continuous casting steel billet 8 when 2500~3600mm (short base), is sent the short base signal that puts in place by the PLC host computer.When control device receives short base when putting signal in place; Control device control control block hydraulic unit with makes last weighting platform 2, LOAD CELLS 4 and 3 risings (through the support 9 on the last weighting platform 2) of following weighting platform of two liftable weighting platforms 1 hold up continuous casting steel billet 8 through hydraulic cylinder 6 and weighs; Last weighting platform 2, LOAD CELLS 4 and following weighting platform 3 rise stable after; LOAD CELLS 4 is sent the weight signal that records into control device; Control device is seen the weight signal that records off through Ethernet, sees gross weight off through RS-485 and gives for example display unit, and convert gross weight into the 4-20mA signal and give PLC host computer;, sends the PLC host computer end signal of weighing when receiving accurate data; Control device control control block hydraulic unit with descends weighting platform 2, LOAD CELLS 4 and following weighting platform 3 through hydraulic cylinder 6, and continuous casting steel billet 8 drops on the driven roller 10 and under system controls and leaves weighting platform 2, stablizes timed unit when last weighting platform 2, LOAD CELLS 4 and 3 declines of following weighting platform and sends standby signal.
Fig. 5 is the hydraulic schematic diagram of the hydraulic lift 5 of the utility model.The hydraulic valve platform adopts panel integrated, has characteristics such as volume is little, in light weight.Adopt hard tube to be connected between valve and the valve, reduce system pressure loss.All hydraulic valve control loop has all adopted the integrated oil path block structure, hydraulic system is had leak to lack compact conformation, the characteristics of being convenient to keep in repair.Hydraulic cylinder 6 installation site sensors when arriving the stroke requirement, send the signal that puts in place, cooperatively interact with positioner simultaneously, judge by program whether weighing platform puts in place.
The utility model adopts the up-down of programme-control hydraulic cylinder 6; All hydraulic valve control loop has all adopted the integrated oil path block structure; Hydraulic cylinder 6 is equipped with position sensor, and piston rod 62 adopts the bulb design, and weighing platform has been installed stopping means 7 and positioner; Ectocine is reduced to minimum, guarantee the weighing precision requirement.
The utility model also is transformed into the two weighing platform structures of twin-tub with all-in-one-piece framework weighing platform, through the identification to the length base, adopts two weighing platforms or single weighing platform to weigh respectively.Two weighing platforms are weighed under HYDRAULIC CONTROL SYSTEM or the two states of not weighing, and coordinate relatively independent again each other.Even a certain weighing platform breaks down, do not influence the normal use of another weighing platform yet.
Therefore, the utility model adopts the weighing platform structure of brand-new design, improves the stability of system works, has saved processing cost; Adopt improved design of Hydraulic System, reduce pipeline and connect, overcome because of unbalance loading, hydraulic cylinder leakage etc. cause asynchronous, improve the weighing precision of system.Guarantee the normal continuously work of weighing system.
To sum up, the continuous casting steel billet online weighing concept of system of the utility model is ingenious, and design is unique, and simple for structure, weighing is accurate, and the stability of a system improves, and guarantees the normal continuously work of weighing system, is suitable for large-scale promotion application.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and the scope of the utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims (10)

1. continuous casting steel billet online weighing system; It is characterized in that; Comprise control device and liftable weighting platform, said liftable weighting platform comprises weighting platform, following weighting platform, LOAD CELLS and hydraulic lift, and said weighting platform down is installed on the said hydraulic lift; Said LOAD CELLS is installed between said last weighting platform and the said following weighting platform, and said LOAD CELLS is connected with said control device circuit respectively with said hydraulic lift.
2. continuous casting steel billet online weighing according to claim 1 system; It is characterized in that; Said hydraulic lift comprises hydraulic cylinder and control block hydraulic unit with, and said weighting platform down is installed on the said hydraulic cylinder, and said hydraulic cylinder connects said control device through said control block hydraulic unit with circuit.
3. continuous casting steel billet online weighing according to claim 2 system is characterized in that said control block hydraulic unit with is integrated on the said hydraulic cylinder.
4. continuous casting steel billet online weighing according to claim 2 system is characterized in that, said hydraulic cylinder comprises cylinder body and the piston rod that is arranged in the said cylinder body, and the free end of said piston rod wears out said cylinder body and is fastened under the said weighting platform down.
5. continuous casting steel billet online weighing according to claim 4 system is characterized in that the free end of said piston rod is a spheric end.
6. continuous casting steel billet online weighing according to claim 2 system is characterized in that said hydraulic lift also comprises position sensor, and said position sensor circuit connects said control device.
7. continuous casting steel billet online weighing according to claim 1 system is characterized in that, said continuous casting steel billet online weighing system also comprises stopping means, and said stopping means and said weighting platform down are equipped with and are used to limit the said lifting height of weighting platform down.
8. continuous casting steel billet online weighing according to claim 1 system is characterized in that, said continuous casting steel billet online weighing system also comprises positioner, and said positioner and said weighting platform down are equipped with and are used to locate said weighting platform down.
9. continuous casting steel billet online weighing according to claim 1 system is characterized in that the number of said liftable weighting platform is 2, the arrangement that is in line, and be connected with said control device circuit respectively.
10. continuous casting steel billet online weighing according to claim 1 system is characterized in that, said continuous casting steel billet online weighing system also comprises host computer, and said host computer circuit connects said control device.
CN201120229719U 2011-06-30 2011-06-30 On-line weighing system for continuous casting slab Expired - Lifetime CN202137350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120229719U CN202137350U (en) 2011-06-30 2011-06-30 On-line weighing system for continuous casting slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120229719U CN202137350U (en) 2011-06-30 2011-06-30 On-line weighing system for continuous casting slab

Publications (1)

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CN202137350U true CN202137350U (en) 2012-02-08

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104117648A (en) * 2014-06-25 2014-10-29 中冶连铸技术工程有限责任公司 Online sizing and weighing system for multi-flow multi-sizing continuous casting slab
CN104515582A (en) * 2014-12-17 2015-04-15 余姚市通用仪表有限公司 Roller bed scale with lifting structure
CN104515573A (en) * 2013-12-15 2015-04-15 广西鹿寨通用人造板有限公司 Weighing device for board production line
CN105181100A (en) * 2015-10-13 2015-12-23 天津荣昌科技有限公司 Double-cylinder composite counterweight block weighing and metering device
CN105181101A (en) * 2015-10-13 2015-12-23 天津荣昌科技有限公司 Composite counterweight block weighing and metering device
CN105436448A (en) * 2015-12-18 2016-03-30 北京华程东方科技有限公司 Lifted-up type weighing mechanism
CN106809593A (en) * 2016-07-19 2017-06-09 东莞理工学院 One kind weighs conveying integrated machine
CN108213363A (en) * 2017-12-20 2018-06-29 新兴铸管(浙江)铜业有限公司 Automatic weighing device on a kind of continuous casting and rolling production line line

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104515573A (en) * 2013-12-15 2015-04-15 广西鹿寨通用人造板有限公司 Weighing device for board production line
CN104117648A (en) * 2014-06-25 2014-10-29 中冶连铸技术工程有限责任公司 Online sizing and weighing system for multi-flow multi-sizing continuous casting slab
CN104515582A (en) * 2014-12-17 2015-04-15 余姚市通用仪表有限公司 Roller bed scale with lifting structure
CN105181100A (en) * 2015-10-13 2015-12-23 天津荣昌科技有限公司 Double-cylinder composite counterweight block weighing and metering device
CN105181101A (en) * 2015-10-13 2015-12-23 天津荣昌科技有限公司 Composite counterweight block weighing and metering device
CN105436448A (en) * 2015-12-18 2016-03-30 北京华程东方科技有限公司 Lifted-up type weighing mechanism
CN106809593A (en) * 2016-07-19 2017-06-09 东莞理工学院 One kind weighs conveying integrated machine
CN109733788A (en) * 2016-07-19 2019-05-10 邓君 A kind of weighing screening all-in-one machine
CN108213363A (en) * 2017-12-20 2018-06-29 新兴铸管(浙江)铜业有限公司 Automatic weighing device on a kind of continuous casting and rolling production line line

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Granted publication date: 20120208