CN102167265A - DC (direct current) converter valve hoisting system - Google Patents
DC (direct current) converter valve hoisting system Download PDFInfo
- Publication number
- CN102167265A CN102167265A CN2011100594519A CN201110059451A CN102167265A CN 102167265 A CN102167265 A CN 102167265A CN 2011100594519 A CN2011100594519 A CN 2011100594519A CN 201110059451 A CN201110059451 A CN 201110059451A CN 102167265 A CN102167265 A CN 102167265A
- Authority
- CN
- China
- Prior art keywords
- lift
- electric block
- load
- converter valve
- girder steel
- Prior art date
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to a DC (direct current) converter valve hoisting system. The system includes control devices and mechanical devices, wherein the control devices include a position sensor, a PLC (programmable logic controller), a frequency converter and an operation power supply; the mechanical devices include electric hoists, a bearing structure, supporting structures, an electric pin penetrating/withdrawing mechanism, and a bearing steel beam; the supporting structures are connected above the bearing structure; the electric hoists are mounted on the supporting structures; the electric pin penetrating/withdrawing mechanism is arranged on the bearing steel beam; motors are mounted on the electric hoists; two ends of the frequency converter are connected with the motors of the electric hoists and the PLC respectively; the operation power supply is connected with the motors of the electric hoists; the position sensor is connected with the PLC and the electric hoists respectively; and the electric hoists are fixed on the bearing steel beam through the supporting structures and the bearing structure, thereby forming the hoisting system. The system adopts the high precision frequency conversion control, realizes the accurate synchronization control based on the four electric hoists, well solves the hoisting problem of a valve tray, and greatly improves the hoisting efficiency of the valve tray of a converter valve.
Description
Technical field
The present invention relates to a kind of DC converter valve system, specifically will be referred to a kind of DC converter valve Lift-on/Lift-off System.
Background technology
DC converter valve insulation type test will be suspended to the experiment hall top with a complete test product valve tower usually and test, because experiment hall is generally steel structure, and point of suspension position very high (30 meters), the converter valve tower of tens tons of gross weights be suspended in midair, hanging device that must design specialized carries out converter valve tower crane dress.
Usually need special tool at engineering site lifting DC converter valve, but because engineering site is disposably and permanently installed, adopt manual chain block etc. to carry out lifting operation more, degree of automation is low, waste time and energy, and the lifting inefficiency.
Summary of the invention
The purpose of this invention is to provide a kind of easy and simple to handlely, safe and reliable, stable, the degree of automation height can be used for lifting the DC converter valve of dissimilar and specification, flexibly and the stronger Lift-on/Lift-off System of comformability.
The present invention adopts following proposal to realize purpose of the present invention:
A kind of DC converter valve Lift-on/Lift-off System, its improvements are that described Lift-on/Lift-off System comprises control setup and mechanical device; Described control setup comprises position transduser, PLC controller, frequency converter and operating power; Described mechanical device comprises electric block, load larrying member, supporting construction, electronic pin mechanism, the load-bearing girder steel of wearing off; Described load larrying member top connects supporting construction; Described electric block is installed on the supporting construction; The described electronic pin mechanism that wears off is arranged on the load-bearing girder steel;
On the described electric block motor is installed; Described frequency converter two ends are connected with described PLC controller with the motor of electric block respectively; Described operating power is connected with the motor of electric block; Described position transduser is connected with electric block with the PLC controller respectively; Adopt between the motor of described position transduser and electric block that flexure spring is coaxial to be connected; Described electric block is fixed on the load-bearing girder steel by supporting construction and load larrying member, finally forms Lift-on/Lift-off System.
A kind of optimized technical scheme provided by the invention is: the quantity of described electric block is 4, described 4 electric block synchronized operations, and maximum synchronous error is less than 2 centimetres, and when accumulated error was greater than 5 centimetres synchronously, system was automatically locked.
Second optimized technical scheme provided by the invention is: be equiped with blocking device on the described load-bearing girder steel, described blocking device uses wears pin and out of stock control.
The 3rd optimized technical scheme provided by the invention is: described Lift-on/Lift-off System below is provided with the lifting change-over panel, and described lifting change-over panel is the framed structure that is welded into by I-beam section or channel-section steel; Described lifting change-over panel and load-bearing girder steel adopt wears pin and out of stock detouchable mechanical connection manner automatically.
Compared with prior art, the beneficial effect that reaches of the present invention is:
1, DC converter valve Lift-on/Lift-off System provided by the invention has been realized 4 synchronous liftings of electric block and decline, servo-actuated equilibrium function, speed can be regulated between 8cm/min～80cm/min continuously, maximum synchronous error is less than 2 centimetres, when accumulated error is greater than 5 centimetres synchronously, system is automatically locked, thereby has guaranteed hoisting process safety and stationarity;
2, DC converter valve Lift-on/Lift-off System provided by the invention is provided with the emergency descent function, when in the operational process during Lift-on/Lift-off System et out of order, can use the highest fault landing function of priority, and the direct control electric block guarantees that hanging device safety reduces to ground;
3, DC converter valve Lift-on/Lift-off System provided by the invention has strengthened the position transduser serviceability, position transduser has adopted the coaxial, flexible connection mode with being connected of electric block motor deboost axle, the vibrations that can effectively avoid high speed revolution to cause have improved the stability and the reliability of system's operation;
4, DC converter valve Lift-on/Lift-off System provided by the invention has adopted and has worn pin and out of stock control automatically, has realized the detouchable mechanical connection manner between lifting change-over panel and load-bearing girder steel, improves the alerting ability that Lift-on/Lift-off System uses.
Description of drawings
Fig. 1 is Lift-on/Lift-off System control principle figure;
Fig. 2 is the birds-eye view of Lift-on/Lift-off System;
Fig. 3 is the front view of Lift-on/Lift-off System.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Lift-on/Lift-off System provided by the invention comprises control setup and mechanical device, and the control setup of Lift-on/Lift-off System comprises position transduser, PLC controller, frequency converter and operating power; Motor is installed on the electric block; Motor is installed on the electric block; The frequency converter two ends are connected with the PLC controller with the motor of electric block respectively; Operating power is connected with the motor of electric block; Position transduser is connected with electric block with the PLC controller respectively; Adopt between the motor of position transduser and electric block that flexure spring is coaxial to be connected; Lift-on/Lift-off System control principle figure as shown in Figure 1.
The mechanical device of Lift-on/Lift-off System comprises electric block, load larrying member, supporting construction, electronic pin mechanism, the load-bearing girder steel of wearing off; The load larrying member top connects supporting construction; Electric block is installed on the supporting construction; The electronic pin mechanism that wears off is arranged on the load-bearing girder steel; Electric block is fixed on the load-bearing girder steel by supporting construction and load larrying member; The birds-eye view of Lift-on/Lift-off System and front view are shown in Fig. 2 and 3.
By load larrying member and supporting construction 4 electric blocks are fixed on the load-bearing girder steel in the Lift-on/Lift-off System, draw coupling end from the deceleration axle head of electric block, reliably be connected with position transduser by flexure spring, 9 cover locking devices on the load-bearing girder steel, have been installed simultaneously, be used for locking lifting change-over panel, blocking device uses to be worn pin and moves back pin control, and by position transduser (on raise spacing, wear that pin puts in place, out of stock putting in place) whether monitoring lifting change-over panel hang and put in place, all measurements are connected with electrical control cubicles by cable with control signal; Measurement and control signal are input to the PLC controller, PLC judges the mode of operation of 4 electric blocks according to position signal, and calculate the suspension hook position of electric block according to position sensor signal, accuracy control frequency converter output voltage frequency, thus realization is to the adjusting and the control of 4 electric block motor speeds; Every coaxial two cover position transdusers that connected of electric block, can accurately gather the electric block motor speed signal, at any time adjust frequency converter frequency, accuracy control suspension hook position, guarantee the net synchronization capability of 4 electric block operations, improved safety, stability and the reliability of DC converter valve lifting operation.
Should be noted that at last: only illustrate that in conjunction with the foregoing description technical scheme of the present invention is not intended to limit.Those of ordinary skill in the field are to be understood that: those skilled in the art can make amendment or are equal to replacement the specific embodiment of the present invention, but these modifications or change are all among the claim protection domain that application is awaited the reply.
Claims (4)
1. a DC converter valve Lift-on/Lift-off System is characterized in that, described Lift-on/Lift-off System comprises control setup and mechanical device; Described control setup comprises position transduser, PLC controller, frequency converter and operating power; Described mechanical device comprises electric block, load larrying member, supporting construction, electronic pin mechanism, the load-bearing girder steel of wearing off; Described load larrying member top connects supporting construction; Described electric block is installed on the supporting construction; The described electronic pin mechanism that wears off is arranged on the load-bearing girder steel;
On the described electric block motor is installed; Described frequency converter two ends are connected with described PLC controller with the motor of electric block respectively; Described operating power is connected with the motor of electric block; Described position transduser is connected with electric block with the PLC controller respectively; Adopt between the motor of described position transduser and electric block that flexure spring is coaxial to be connected; Described electric block is fixed on the load-bearing girder steel by supporting construction and load larrying member, finally forms Lift-on/Lift-off System.
2. as claim 1 DC converter valve Lift-on/Lift-off System, it is characterized in that the quantity of described electric block is 4, described 4 electric block synchronized operations, maximum synchronous error is less than 2 centimetres, and when accumulated error was greater than 5 centimetres synchronously, system was automatically locked.
3. as claim 1 DC converter valve Lift-on/Lift-off System, it is characterized in that, be equiped with blocking device on the described load-bearing girder steel, described blocking device uses wears pin and out of stock control.
4. as claim 1 DC converter valve Lift-on/Lift-off System, it is characterized in that described Lift-on/Lift-off System below is provided with the lifting change-over panel, described lifting change-over panel is the framed structure that is welded into by I-beam section or channel-section steel; Described lifting change-over panel and load-bearing girder steel adopt wears pin and out of stock detouchable mechanical connection manner automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100594519A CN102167265B (en) | 2011-03-11 | 2011-03-11 | DC (direct current) converter valve hoisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100594519A CN102167265B (en) | 2011-03-11 | 2011-03-11 | DC (direct current) converter valve hoisting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102167265A true CN102167265A (en) | 2011-08-31 |
| CN102167265B CN102167265B (en) | 2013-11-27 |
Family
ID=44488623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100594519A Active CN102167265B (en) | 2011-03-11 | 2011-03-11 | DC (direct current) converter valve hoisting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102167265B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502411A (en) * | 2011-08-19 | 2012-06-20 | 河南卫华重型机械股份有限公司 | Accurate automatic positioning control system of crane and method thereof |
| CN105048317A (en) * | 2015-06-25 | 2015-11-11 | 许继集团有限公司 | On-site installation method for suspension type valve tower |
| CN114380226A (en) * | 2021-12-24 | 2022-04-22 | 安徽克鲁克智能装备有限公司 | Synchronous operation system and operation method for one-way array type multi-lifting mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943023B (en) * | 2020-08-13 | 2022-11-22 | 中国南方电网有限责任公司超高压输电公司大理局 | Converter valve tower hoisting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305513A (en) * | 1979-10-04 | 1981-12-15 | Renner Manufacturing | Slack cable sensing apparatus |
| CN1054752A (en) * | 1990-03-02 | 1991-09-25 | 章大章 | Electric antishake device for container's crane |
| DE4418519A1 (en) * | 1994-05-27 | 1995-11-30 | Eliasmoeller Hans | Stacked material container pick=up equipment |
| JP2003212475A (en) * | 2002-01-21 | 2003-07-30 | Ishikawajima Harima Heavy Ind Co Ltd | Remote operation device for container crane |
| JP3434401B2 (en) * | 1995-12-27 | 2003-08-11 | 日立建機株式会社 | Crane hook overwind prevention device |
| US20080006806A1 (en) * | 2006-06-05 | 2008-01-10 | Hall David R | Lifting Assembly |
| CN101381055A (en) * | 2008-09-22 | 2009-03-11 | 沪东中华造船(集团)有限公司 | Method for rotating large-sized object using four-hook gantry crane |
| CN201634332U (en) * | 2010-02-02 | 2010-11-17 | 中铁十一局集团第六工程有限公司 | Heavy girder gantry crane |
-
2011
- 2011-03-11 CN CN2011100594519A patent/CN102167265B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305513A (en) * | 1979-10-04 | 1981-12-15 | Renner Manufacturing | Slack cable sensing apparatus |
| CN1054752A (en) * | 1990-03-02 | 1991-09-25 | 章大章 | Electric antishake device for container's crane |
| DE4418519A1 (en) * | 1994-05-27 | 1995-11-30 | Eliasmoeller Hans | Stacked material container pick=up equipment |
| JP3434401B2 (en) * | 1995-12-27 | 2003-08-11 | 日立建機株式会社 | Crane hook overwind prevention device |
| JP2003212475A (en) * | 2002-01-21 | 2003-07-30 | Ishikawajima Harima Heavy Ind Co Ltd | Remote operation device for container crane |
| US20080006806A1 (en) * | 2006-06-05 | 2008-01-10 | Hall David R | Lifting Assembly |
| CN101381055A (en) * | 2008-09-22 | 2009-03-11 | 沪东中华造船(集团)有限公司 | Method for rotating large-sized object using four-hook gantry crane |
| CN201634332U (en) * | 2010-02-02 | 2010-11-17 | 中铁十一局集团第六工程有限公司 | Heavy girder gantry crane |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502411A (en) * | 2011-08-19 | 2012-06-20 | 河南卫华重型机械股份有限公司 | Accurate automatic positioning control system of crane and method thereof |
| CN102502411B (en) * | 2011-08-19 | 2015-07-01 | 河南卫华重型机械股份有限公司 | Accurate automatic positioning control system of crane and method thereof |
| CN105048317A (en) * | 2015-06-25 | 2015-11-11 | 许继集团有限公司 | On-site installation method for suspension type valve tower |
| CN105048317B (en) * | 2015-06-25 | 2017-07-07 | 许继集团有限公司 | A kind of installation method of in-site installation suspension type valve tower |
| CN114380226A (en) * | 2021-12-24 | 2022-04-22 | 安徽克鲁克智能装备有限公司 | Synchronous operation system and operation method for one-way array type multi-lifting mechanism |
| CN114380226B (en) * | 2021-12-24 | 2024-06-04 | 安徽克鲁克智能装备有限公司 | Synchronous operation system and operation method for unidirectional array type multi-lifting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102167265B (en) | 2013-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102167265B (en) | DC (direct current) converter valve hoisting system | |
| CN205099211U (en) | Hoist anti -swing device | |
| CN205222428U (en) | Interval adjustable balance hanger | |
| CN203095447U (en) | Automatic multiplying power variable lifting hook device | |
| CN201821226U (en) | Lifting device of large synchronous motor | |
| CN102849625A (en) | Spreader anti-sway controlling method of overhead traveling crane | |
| CN104060835A (en) | Lifting-sliding construction method for single plane truss | |
| CN201058788Y (en) | Bridge crane electronic scale steel cable weight compensating unit | |
| CN203158963U (en) | Device for monitoring tension of steel wire ropes of multi-rope friction hoist on line | |
| CN201347327Y (en) | Electric control system of cable crane | |
| CN202379605U (en) | Angle detection device of arm support and crane with same | |
| CN201924579U (en) | Safety protection device for attached lifting scaffolds | |
| CN204265341U (en) | Can the tower machine anticollision terminal of measuring wind | |
| CN201152025Y (en) | Electric vibration and tampering vehicle | |
| CN103334466B (en) | A kind of Full-automatic sludge induction system | |
| CN204823804U (en) | Bridge crane platform of walking | |
| CN210029726U (en) | Anti-swing control device of crane | |
| CN202245696U (en) | Tool for quickly changing guide in short-stress linear chuck type mill | |
| CN204873547U (en) | Container bridge crane hoist intelligent security case device | |
| CN206014288U (en) | A kind of extra large work folding-jib crane released rope detecting device | |
| CN205405147U (en) | Container shipment case position automatic determination device | |
| CN201359526Y (en) | Electric block steelyard | |
| EP2700604A1 (en) | Anti-sway control method and arrangement | |
| CN202897861U (en) | Crane for loading and unloading in nuclear power plant | |
| CN204847836U (en) | Balance beam is hung to multi -functional lifting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130424 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |