CN104989693A - Lifting control system for steel coil conveying trolley - Google Patents
Lifting control system for steel coil conveying trolley Download PDFInfo
- Publication number
- CN104989693A CN104989693A CN201510495105.3A CN201510495105A CN104989693A CN 104989693 A CN104989693 A CN 104989693A CN 201510495105 A CN201510495105 A CN 201510495105A CN 104989693 A CN104989693 A CN 104989693A
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- CN
- China
- Prior art keywords
- valve
- coil
- way valve
- strip
- lifting unit
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
Abstract
The invention relates to a lifting control system for a steel coil conveying trolley. The lifting control system for the steel coil conveying trolley comprises a steel coil conveying trolley lifting cylinder, a low-pressure lifting unit and a high-pressure lifting unit. The low-pressure lifting unit and the high-pressure lifting unit are connected with the steel coil conveying trolley lifting cylinder in parallel. On the basis of an original control system, a control assembly is simplified, the steel coil conveying trolley lifting cylinder, the low-pressure lifting unit and the high-pressure lifting unit are used cooperatively, so that the number of components of a main control unit of the original system is reduced through fusion or replacement, the complexity of the system is lowered, relevant technicians can easily find out a fault point when overhauling the system, the production efficiency is greatly improved, and economic benefits are increased for an enterprise.
Description
technical field:
The present invention relates to machinery, particularly relate to a kind of coil of strip fortune volume dolly lift control system.
background technique:
The development of each engineering field all requires that mechanical engineering has the development adapted with it, all needs mechanical engineering to provide necessary machinery.The invention of some machinery and perfect, can cause again appearance and the development of new engineering and new industry.The manufacture success of such as large-sized power machinery, facilitates the foundation of electric power system; The invention of locomotive result in the rise of railway engineering and railway cause; The invention of internal-combustion engine, gas turbine, rocket motor etc. and progress, and aircraft and astrovehicle succeed in developing the rise that result in Aeronautics and Astronautics cause; The development of high-tension apparatus result in the one-tenth, merit etc. of many novel synthetic chemistry engineerings.
Need to use a kind of coil of strip fortune volume dolly in production process of steel coil, by a kind of coil of strip fortune volume dolly, directed transhipment is carried out to the coil of strip of rolling, to reduce the use of manpower, enhance productivity.Because a kind of use of coil of strip fortune volume dolly belongs to a kind of automation mechanized operation, therefore need to adopt the system of complete set to control it, move to realize dolly simultaneously, rise the actions such as top.Existing dolly in use, passes through operating with the use of realization is above between low pressure lifting unit 1, high-pressure lifting unit 2, main control unit 3 and coil of strip fortune volume dolly lifting jar 4 as shown in Figure 1.But traditional scheme due to part in each constituent element many, control principle is complicated, therefore in use once there is unit exception, causes larger technical difficulty when needing to safeguard, especially needing the at substantial time when investigating fault occurrence positions, affecting indirectly the normal progress of producing.
summary of the invention:
In order to solve the problem, the invention provides and simplify control composition on the basis of original control system, the complexity of reduction system, person skilled can be brief and concise when investigating this system find out fault point, significantly enhance productivity, for enterprise increases the technological scheme of economic benefit:
A kind of coil of strip fortune volume dolly lift control system, comprises coil of strip fortune volume dolly lifting jar, low pressure lifting unit and high-pressure lifting unit, and low pressure lifting unit and high-pressure lifting unit are transported with parallel join mode and coil of strip and rolled up dolly lifting jar and be connected.
As preferably, low pressure lifting unit comprises selector valve, reduction valve, one-way valve and relief valve, the output terminal of selector valve by wire respectively with reduction valve and one-way valve conducting, reduction valve is electrically connected with high-pressure lifting unit by wire, one-way valve is transported by wire and coil of strip and is rolled up dolly lifting jar and be electrically connected, and relief valve is connected on reduction valve and one-way valve output terminal circuit.
As preferably, one-way valve is divided into one-way valve A and the one-way valve B of mutual conduction, the mutual parallel join of lead-in wire that one-way valve A is connected with input end and the output terminal of one-way valve B, the input end of one-way valve A and one-way valve B all with selector valve conducting, the output terminal of one-way valve A is rolled up dolly lifting jar be connected by being transported with coil of strip after relief valve, and the output terminal of one-way valve B is directly transported with coil of strip and rolled up dolly lifting jar and be connected.
As preferably, high-pressure lifting unit comprises Proportional valve and equilibrium valve, the output terminal of Proportional valve is transported with reduction valve and coil of strip respectively and is rolled up dolly lifting jar and be electrically connected, equilibrium valve is arranged in the circuit that relief valve, Proportional valve and coil of strip fortune volume dolly lifting jar forms, with the pressure balance of controlling water kick valve, Proportional valve and coil of strip fortune volume dolly lifting jar.
Beneficial effect of the present invention is:
(1) the present invention simplifies control composition on the basis of original control system, by coil of strip fortune volume dolly lifting jar, low pressure lifting unit and high-pressure lifting unit with the use of, by the parts of the main control unit in original system by merge or preventing of replacing is reduced, the complexity of reduction system, person skilled can be brief and concise when investigating this system find out fault point, significantly enhance productivity, for enterprise increases economic benefit.
(2) mesolow lifting unit of the present invention comprises selector valve, reduction valve, one-way valve and relief valve, makes to realize reasonable employment to selector valve, reduction valve and relief valve, and play the object controlling its working state by simple one-way valve structures.
(3) in invention, one-way valve is divided into one-way valve A and the one-way valve B of mutual conduction, while maintenance overall data flow, between two one-way valves, mutual conduction keeps the conformity of output signal, and the related data of the relief valve in use fed back to according to one-way valve A is taked to regulate and control more accurately further.
(4) the high-pressure lifting unit passing ratio valve in invention and the coordination of equilibrium valve use, simplify the relief valve, one-way valve and the reduction valve that fall and use in legacy system, without the need to regulating and controlling can realize original effect separately after being planned as a whole its data-signal by equilibrium valve in conjunction with the relief valve used in low pressure lifting unit, one-way valve and reduction valve equipment, thus simplify System's composition.
accompanying drawing illustrates:
Fig. 1 is traditional coil of strip fortune volume dolly lift control system structural representation;
Fig. 2 is coil of strip of the present invention fortune volume dolly lift control system structural representation.
embodiment:
For making goal of the invention of the present invention, technological scheme and advantage clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
As shown in Figure 2, the present invention devises a kind of coil of strip fortune volume dolly lift control system, comprise coil of strip fortune volume dolly lifting jar 4, low pressure lifting unit 1 and high-pressure lifting unit 2, low pressure lifting unit 1 and high-pressure lifting unit 2 are transported with parallel join mode and coil of strip and are rolled up dolly lifting jar 4 and be connected.The present invention simplifies control composition on the basis of original control system, by coil of strip fortune volume dolly lifting jar 4, low pressure lifting unit 1 and high-pressure lifting unit 2 with the use of, by the parts of the main control unit in original system by merge or preventing of replacing is reduced, the complexity of reduction system, person skilled can be brief and concise when investigating this system find out fault point, significantly enhance productivity, for enterprise increases economic benefit.
Low pressure lifting unit 1 wherein comprises selector valve 1a, reduction valve 1b, one-way valve 1c and relief valve 1d, the output terminal of selector valve 1a by wire respectively with reduction valve 1c and one-way valve 1c conducting, reduction valve 1b is electrically connected with high-pressure lifting unit 2 by wire, one-way valve 1c is transported by wire and coil of strip and rolls up dolly lifting jar 4 and be electrically connected, and relief valve 1d is connected on reduction valve 1b and one-way valve 1c output terminal circuit.Make to realize reasonable employment to selector valve 1a, reduction valve 1b and relief valve 1d by simple one-way valve 1c structure, and play the object controlling its working state.
Simultaneously, one-way valve 1c is divided into one-way valve A 1c1 and the one-way valve B 1c2 of mutual conduction, the mutual parallel join of lead-in wire that one-way valve A 1c1 is connected with input end and the output terminal of one-way valve B 1c2, the input end of one-way valve A 1c1 and one-way valve B 1c2 all with selector valve 1a conducting, the output terminal of one-way valve A 1c1 is rolled up dolly lifting jar 4 be connected by being transported with coil of strip after relief valve 1d, and the output terminal of one-way valve B 1c2 is directly transported with coil of strip and rolled up dolly lifting jar 4 and be connected.While maintenance overall data flow, between two one-way valve 1c, mutual conduction keeps the conformity of output signal, and the related data of the relief valve 1d in use fed back to according to one-way valve A 1c1 is taked to regulate and control more accurately further.
And, high-pressure lifting unit 2 comprises Proportional valve 2a and equilibrium valve 2b, the output terminal of Proportional valve 2a is transported with reduction valve 1c and coil of strip respectively and is rolled up dolly lifting jar 4 and be electrically connected, equilibrium valve 2b is arranged in the circuit that relief valve 1d, Proportional valve 2a and coil of strip fortune volume dolly lifting jar 4 forms, with the pressure balance of controlling water kick valve 1d, Proportional valve 2a and coil of strip fortune volume dolly lifting jar 4.The coordination of high-pressure lifting 2 unit passing ratio valve 2a and equilibrium valve 2b uses, simplify the assembly valve body falling and use in legacy system, without the need to regulating and controlling can realize original effect separately after being planned as a whole its data-signal by equilibrium valve 2b in conjunction with the relief valve 1d used in low pressure lifting unit 1, one-way valve 1c and reduction valve 1b equipment, thus simplify System's composition.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technological scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (4)
1. a coil of strip fortune volume dolly lift control system, it is characterized in that: comprise coil of strip fortune volume dolly lifting jar, low pressure lifting unit and high-pressure lifting unit, described low pressure lifting unit and high-pressure lifting unit are transported with parallel join mode and coil of strip and are rolled up dolly lifting jar and be connected.
2. a kind of coil of strip fortune volume dolly lift control system according to claim 1, it is characterized in that: described low pressure lifting unit comprises selector valve, reduction valve, one-way valve and relief valve, the output terminal of described selector valve by wire respectively with reduction valve and one-way valve conducting, described reduction valve is electrically connected with high-pressure lifting unit by wire, described one-way valve is transported by wire and coil of strip and is rolled up dolly lifting jar and be electrically connected, and described relief valve is connected on reduction valve and one-way valve output terminal circuit.
3. a kind of coil of strip fortune volume dolly lift control system according to claim 2, it is characterized in that: described one-way valve is divided into one-way valve A and the one-way valve B of mutual conduction, the mutual parallel join of lead-in wire that described one-way valve A is connected with input end and the output terminal of one-way valve B, the input end of one-way valve A and one-way valve B all with selector valve conducting, the output terminal of described one-way valve A is rolled up dolly lifting jar be connected by being transported with coil of strip after relief valve, and the output terminal of one-way valve B is directly transported with coil of strip and rolled up dolly lifting jar and be connected.
4. a kind of coil of strip fortune volume dolly lift control system according to claim 1 and 2, it is characterized in that: described high-pressure lifting unit comprises Proportional valve and equilibrium valve, the output terminal of described Proportional valve is transported with reduction valve and coil of strip respectively and is rolled up dolly lifting jar and be electrically connected, described equilibrium valve is arranged in the circuit that relief valve, Proportional valve and coil of strip fortune volume dolly lifting jar forms, with the pressure balance of controlling water kick valve, Proportional valve and coil of strip fortune volume dolly lifting jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495105.3A CN104989693A (en) | 2015-08-13 | 2015-08-13 | Lifting control system for steel coil conveying trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495105.3A CN104989693A (en) | 2015-08-13 | 2015-08-13 | Lifting control system for steel coil conveying trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989693A true CN104989693A (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495105.3A Pending CN104989693A (en) | 2015-08-13 | 2015-08-13 | Lifting control system for steel coil conveying trolley |
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| CN (1) | CN104989693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439267A (en) * | 2018-03-15 | 2018-08-24 | 包头钢铁（集团）有限责任公司 | The control method of lifter board equipment and lifter board equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072169A (en) * | 1975-07-29 | 1978-02-07 | Robert Bosch Gmbh | Hydraulic control system |
| JPS61206807A (en) * | 1985-03-06 | 1986-09-13 | Tokyo Seimitsu Sokki Kk | Digital control device |
| KR20120085387A (en) * | 2011-01-24 | 2012-08-01 | 두산산업차량 주식회사 | switching apparatus into a fixed type pump from a load sensing system for heavy equipment |
| CN202851484U (en) * | 2012-07-25 | 2013-04-03 | 中色科技股份有限公司 | Hydraulic lift system of high-low pressure controlled trolley |
| CN203516303U (en) * | 2013-10-09 | 2014-04-02 | 鞍钢股份有限公司 | Hydraulic control device of coil unloading car |
| CN203756630U (en) * | 2014-02-26 | 2014-08-06 | 中国重型机械研究院股份公司 | Novel sliding nozzle hydraulic control system |
-
2015
- 2015-08-13 CN CN201510495105.3A patent/CN104989693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072169A (en) * | 1975-07-29 | 1978-02-07 | Robert Bosch Gmbh | Hydraulic control system |
| JPS61206807A (en) * | 1985-03-06 | 1986-09-13 | Tokyo Seimitsu Sokki Kk | Digital control device |
| KR20120085387A (en) * | 2011-01-24 | 2012-08-01 | 두산산업차량 주식회사 | switching apparatus into a fixed type pump from a load sensing system for heavy equipment |
| CN202851484U (en) * | 2012-07-25 | 2013-04-03 | 中色科技股份有限公司 | Hydraulic lift system of high-low pressure controlled trolley |
| CN203516303U (en) * | 2013-10-09 | 2014-04-02 | 鞍钢股份有限公司 | Hydraulic control device of coil unloading car |
| CN203756630U (en) * | 2014-02-26 | 2014-08-06 | 中国重型机械研究院股份公司 | Novel sliding nozzle hydraulic control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439267A (en) * | 2018-03-15 | 2018-08-24 | 包头钢铁（集团）有限责任公司 | The control method of lifter board equipment and lifter board equipment |
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Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |