CN202869427U - Position detection system with auxiliary cylinder - Google Patents
Position detection system with auxiliary cylinder Download PDFInfo
- Publication number
- CN202869427U CN202869427U CN 201220533578 CN201220533578U CN202869427U CN 202869427 U CN202869427 U CN 202869427U CN 201220533578 CN201220533578 CN 201220533578 CN 201220533578 U CN201220533578 U CN 201220533578U CN 202869427 U CN202869427 U CN 202869427U
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- auxiliary cylinder
- running mechanism
- displacement transducer
- inspecting ferromagnet
- waveguide pipe
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a position detection system with an auxiliary cylinder, and is characterized in that the system externally places a position detection device on a running mechanism, and detects positions of the running mechanism in accordance with a principle that a position detection magnet and the running mechanism synchronously operate. The utility model is advantageous in that the system is high in detection precision and low in maintenance cost, realizes positioning detection or double-position detection, and can work under conditions such as strong vibration and harsh external environment.
Description
Technical field
The utility model relates to a kind of locating and detecting device, being applicable to anyly in the industrial and mining enterprises has detection and localization or two-position to detect needs, and the data of the working environment that environment is abominable obtain, strong such as impact shock, impure many water environments, excess Temperature or cross the working environments such as low, common measurement gearshift obtains the place of data inconvenience, this device precision is high, and long service life is easy to maintenance.
Background technology
In field of metallurgy, need various running mechanisms are located accurately, in order to realize the semi-automatic or full-automatic production of factory, can either save the labour, again can precision positioning machine tool equipment, improve the crudy of product.For example, step rate translation and the lifting position of the coil wrapper roll of hot rolling mill and heating furnace automatically detect and control, in the past, user's operating limit switch of domestic 98% positions, accuracy of detection is extremely low, and can't see in real time traveling situation and the traveling trend of equipment, in the step rate translation with hoist when being vibrated and shaking, limit switch does not have signal output, as easy as rolling off a logly causes stopping production.
Telescopic magnetic displacement sensor is a kind of novel sensor of realizing accurate measuring position; comprise magnetic telescopic waveguide pipe; sensor; permanent magnet; protective sleeve; it detects principle: when passing to pulse current in the magnetic telescopic waveguide pipe; produce around magnetic field; under the acting in conjunction of permanent magnet field; near permanent magnet, produce elastic wave; elastic wave is propagated along magnetic telescopic waveguide pipe; when arriving sensor; in sensor, produce electromotive force; after the signal processing circuit processing and calculating; can draw elastic wave and propagate into the used time of sensor from permanent magnet; because the elasticity velocity of wave propagation is the fixed amount relevant with the material of magnetic telescopic waveguide pipe, thereby can accurately determine the position at permanent magnet place and the relative displacement after the change in location.
At present, Telescopic magnetic displacement sensor all is arranged on the change in location of measuring running mechanism in the hydraulic cylinder, and this metering system is for the more abominable part of working environment, all can exert an influence to serviceable life of sensor, measuring accuracy, reliability etc.
The utility model content
The purpose of this utility model provides the auxiliary cylinder of a kind of position detecting system band, can be operated under the abominable condition of strong vibration and external environment condition, and realize that accuracy of detection is high, maintenance cost is low, the purpose of long service life.
For achieving the above object, the utility model is achieved through the following technical solutions:
The auxiliary cylinder of position detecting system band, comprise displacement transducer, auxiliary cylinder piston cylinder, inspecting ferromagnet, auxiliary cylinder outer wall, pull bar, this system is external on running mechanism with position detecting device, detect the position of running mechanism by the principle of inspecting ferromagnet and running mechanism synchronous operation, be respectively arranged with pull rod device at running mechanism movable end and stiff end, the pull rod device other end that is connected with the running mechanism movable end is connected with auxiliary cylinder piston cylinder, the pull rod device other end that is connected with the running mechanism stiff end is fixed with protective cover, and displacement transducer is arranged in the protective cover; Auxiliary cylinder piston cylinder is connected being synchronized with the movement of realization and running mechanism with auxiliary cylinder outer wall air-tight movable, the end of auxiliary cylinder piston cylinder is provided with inspecting ferromagnet, inspecting ferromagnet is connected with magnetic telescopic waveguide pipe, the other end of magnetic telescopic waveguide pipe is connected with the displacement transducer protective cover, and inspecting ferromagnet and magnetic telescopic waveguide pipe are positioned at auxiliary cylinder outer wall.
Described displacement transducer collection position detects the position signalling of magnet 2, and converts the Profibus-DP/AS signal that user's field apparatus needs to, is connected with control system by various protocols interfaces such as industrial ethernet protocol or modbus agreements.
Compared with prior art, the beneficial effects of the utility model are:
1, the auxiliary cylinder of position detecting system band, realize that by new design proposal inspecting ferromagnet does not contact with hydraulic jack, and the principle of realization and running mechanism synchronous operation detects the position of running mechanism, this scheme can realize that the data that this position detection system is applicable to the abominable working environment of environment in the industrial and mining enterprises obtain, strong such as impact shock, impure many water environments, the working environments such as excess Temperature or mistake are low, common measurement gearshift obtains the place of data inconvenience, this device precision is high, long service life, easy to maintenance.
2, the setting of two lateral bracing struts can realize that position detecting device places running mechanism outside, and carries out the accurate detection of Position of Hydraulic Cylinder.
3, auxiliary cylinder piston cylinder is connected with the movable sealing of auxiliary cylinder outer wall, can realize the safeguard function of inspecting ferromagnet, dustproof, antinoise, and data transmission is reliable, accurate, long service life.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: the auxiliary cylinder outer wall of the auxiliary cylinder piston cylinder of 1-2-inspecting ferromagnet 3-magnetic telescopic waveguide pipe 4-displacement transducer 5-pull rod device 6-running mechanism movable end 7-running mechanism stiff end 8-control system 9-10-displacement transducer protective cover 11-pull rod device.
Embodiment
Below in conjunction with Figure of description the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, the auxiliary cylinder of position detecting system band, comprise built-in displacement transducer 4, auxiliary cylinder piston cylinder 1, inspecting ferromagnet 2, magnetic telescopic waveguide pipe 3, auxiliary cylinder outer wall 9, pull bar 5, this system is external on running mechanism with the position detecting device device, detect the position of running mechanism by inspecting ferromagnet 2 and the principle of running mechanism synchronous operation, be respectively arranged with pull rod device 5 at running mechanism movable end 6 and running mechanism stiff end 7, pull rod device 5 other ends that are connected with running mechanism movable end 6 are connected with auxiliary cylinder piston cylinder 1, pull rod device 11 other ends that are connected with running mechanism stiff end 7 are fixed with protective cover 10, and displacement transducer 4 is arranged in the protective cover 10; Auxiliary cylinder piston cylinder 1 is connected being synchronized with the movement of realization and running mechanism with auxiliary cylinder outer wall 3 air-tight movables, the end of auxiliary cylinder piston cylinder 1 is provided with inspecting ferromagnet 2, inspecting ferromagnet 2 is connected with magnetic telescopic waveguide pipe 3, the other end of magnetic telescopic waveguide pipe 3 is connected with displacement transducer protective cover 10, and inspecting ferromagnet 2 is positioned at auxiliary cylinder outer wall 9 with magnetic telescopic waveguide pipe 3.
Described displacement transducer 4 collection positions detect the position signalling of magnet 2, and convert the Profibus-DP/AS signal that user's field apparatus needs to, are connected with control system 8 by various protocols interfaces such as industrial ethernet protocol or modbus agreements.
The auxiliary cylinder piston cylinder of the utility model and auxiliary cylinder outer wall adopt stainless-steel tube, can corrosion resistant, adapt to on-the-spot abominable working environment, and satisfy user's request for utilization; The sealing grade is IP69K, guarantees that the cylinder inner sensor works under the rugged environment at the scene; Auxiliary cylinder piston cylinder and the operation of auxiliary cylinder outer wall freely spur number of times and can reach 1,000,000 times; The signal variation of built-in magnetic telescopic location sensor, and support two magnet differential outputs; Built-in magnetic telescopic location sensor anti-seismic performance is high.
The creative embodiment in the following areas:
1, eliminates traditional limit switch locator meams, can reflect in real time ruuning situation and the operation trend of running mechanism, make operating personnel can better control equipment;
2. displacement transducer is built-in, and auxiliary cylinder is external on plant equipment, has protected sensor not to be subjected to the impact of external environment, has realized simultaneously the synchronous detection to the equipment displacement;
3, the design of special safeguard structure, can long-term work in rugged environment condition extremely, especially strengthened greatly aspect shock resistance and the vibration;
4, auxiliary cylinder piston cylinder and auxiliary cylinder outer wall utilize non-magnet material, combination sealing technique, and the design of anti-seismic structure and the selection of anti-seismic material are more reasonable.
The mechanical property of the auxiliary cylinder outer wall of the utility model and auxiliary cylinder piston cylinder can provide auxiliary cylinder and is up to 5.5 meters impulse strokes, built-in anti-seismic structure, alleviate in the operational process impact to displacement transducer, guaranteed signal quality, high sealing has strengthened stability and the reliability of auxiliary cylinder in abominable industrial environment especially.This system can support single magnet and two magnet differential wave output, so that more can satisfy the demand of different operating modes and control.The special current design manual of protective structures of the utility model is so that 1) sealing grade reach IP69K; 2) displacement transducer can be operated in larger temperature range :-50 ℃ to+85 ℃; 3) can resist single impact 150g, but＜shock resistance 25g during 2000Hz.
The utility model is applicable to anyly in the industrial and mining enterprises have detection and localization or two-position to detect needs, and environment is abominable, and (impact shock is strong, impure many water environments, excess Temperature or excessively low), be unsuitable for the technique position of the working sensor of common measurement displacement.The utility model is high precision, high stability, high reliability, high serviceable life, the low detection and localization of cost or the position detecting system that the two-position is detected safeguarded.
Claims (2)
1. the auxiliary cylinder of position detecting system band, it is characterized in that, comprise built-in displacement transducer, auxiliary cylinder piston cylinder, inspecting ferromagnet, auxiliary cylinder outer wall, pull bar, this system is external on running mechanism with position detecting device, detect the position of running mechanism by the principle of inspecting ferromagnet and running mechanism synchronous operation, be respectively arranged with pull rod device at running mechanism movable end and stiff end, the pull rod device other end that is connected with the running mechanism movable end is connected with auxiliary cylinder piston cylinder, the pull rod device other end that is connected with the running mechanism stiff end is fixed with protective cover, and displacement transducer is arranged in the protective cover; Auxiliary cylinder piston cylinder is connected being synchronized with the movement of realization and running mechanism with auxiliary cylinder outer wall air-tight movable, the end of auxiliary cylinder piston cylinder is provided with inspecting ferromagnet, inspecting ferromagnet is connected with the magnetostrictive waveguide pipe, the other end of magnetic telescopic waveguide pipe is connected with the displacement transducer protective cover, and inspecting ferromagnet and magnetic telescopic waveguide pipe are positioned at auxiliary cylinder outer wall.
2. the auxiliary cylinder of position detecting system band according to claim 1, it is characterized in that, described displacement transducer collection position detects the position signalling of magnet, and convert the Profibus-DP/AS signal that user's field apparatus needs to, be connected with control system by industrial ethernet protocol or modbus protocol interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533578 CN202869427U (en) | 2012-10-18 | 2012-10-18 | Position detection system with auxiliary cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533578 CN202869427U (en) | 2012-10-18 | 2012-10-18 | Position detection system with auxiliary cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202869427U true CN202869427U (en) | 2013-04-10 |
Family
ID=48036141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220533578 Expired - Fee Related CN202869427U (en) | 2012-10-18 | 2012-10-18 | Position detection system with auxiliary cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202869427U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927892A (en) * | 2012-10-18 | 2013-02-13 | 鞍山维盛自动化科技有限公司 | Position detection system with auxiliary cylinder |
| CN103423238A (en) * | 2013-08-15 | 2013-12-04 | 上海汇益控制***股份有限公司 | Oil cylinder displacement sensing device for hydraulic system of steam turbine |
| CN107289852A (en) * | 2016-04-04 | 2017-10-24 | 鞍钢股份有限公司 | Device and method for measuring roll shifting position of intermediate roll of rolling mill |
| CN108006012A (en) * | 2017-11-08 | 2018-05-08 | 江西洪都航空工业集团有限责任公司 | A kind of hydraulic cylinder |
-
2012
- 2012-10-18 CN CN 201220533578 patent/CN202869427U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927892A (en) * | 2012-10-18 | 2013-02-13 | 鞍山维盛自动化科技有限公司 | Position detection system with auxiliary cylinder |
| CN103423238A (en) * | 2013-08-15 | 2013-12-04 | 上海汇益控制***股份有限公司 | Oil cylinder displacement sensing device for hydraulic system of steam turbine |
| CN103423238B (en) * | 2013-08-15 | 2016-03-30 | 上海汇益控制***股份有限公司 | The oil cylinder displacement sensing apparatus of turbine hydraulic system |
| CN107289852A (en) * | 2016-04-04 | 2017-10-24 | 鞍钢股份有限公司 | Device and method for measuring roll shifting position of intermediate roll of rolling mill |
| CN108006012A (en) * | 2017-11-08 | 2018-05-08 | 江西洪都航空工业集团有限责任公司 | A kind of hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |