CN201464175U - Floating height performance tester for air-floating band steel conveyer - Google Patents
Floating height performance tester for air-floating band steel conveyer Download PDFInfo
- Publication number
- CN201464175U CN201464175U CN2009200866719U CN200920086671U CN201464175U CN 201464175 U CN201464175 U CN 201464175U CN 2009200866719 U CN2009200866719 U CN 2009200866719U CN 200920086671 U CN200920086671 U CN 200920086671U CN 201464175 U CN201464175 U CN 201464175U
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- band steel
- pressure
- floating
- air
- displacement
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Abstract
The utility model relates to an air-floating band steel conveyer performance tester for a cold rolling line, in particular to a floating height performance tester for an air-floating band steel conveyer. The tester has the following characteristics that: the tester comprises a displacement-measuring support, a left counterweight, a left support roller, a displacement-measuring instrument, a right support roller, a right counterweight, a displacement transformer, a computer, a first pressure sensor, a first pressure-measuring signal cable and a pressure transformer; the middle of a piece of tested band steel is positioned over the air-floating band steel conveyer; the displacement-measuring instrument is positioned over the middle of the tested band steel, the output end of the displacement-measuring instrument is connected with the input ends of the displacement transformer through a signal cable, and the output end of the displacement transformer is connected with the input port of the computer through a signal cable; and the first pressure sensor is positioned in a first pressure-measuring hole on the air-floating band steel conveyer. The tester can test the floating height performance of the air-floating band steel conveyer.
Description
Technical field
The utility model relates to a kind of testing apparatus that is used for the performance of air floating band steel transport unit of rolling mill production line.
Background technology
Existing band steel conveyer mostly is the contact conveyer greatly, promptly adopts furnace roller to transmit.This transmission mode causes the damage of belt steel surface scuffing or transmission equipment easily under specific environment.In the silicon steel continuous annealing unit, the band steel is going out continuous annealing furnace, after the coating, before the coating sintering, as adopting the contact transmission mode, very easily cause coating to scratch in the coating drying and sintering process, and coating easily is bonded in the furnace roller surface and forms dross, thereby further worsens transmission quality.Silicon steel high temperature decarburizing annealing section for another example for avoiding scratching the band steel, is used carbon cover roller, but carbon cover roller is because band steel friction and oxidation, and the life-span is shorter, and the oxide that belt steel surface generates very easily is bonded in the furnace roller surface, forms dross, causes scratching the band steel.
So air floating band steel transport unit (or claiming contactless band steel conveyer) occurred.
Air floating band steel transport unit comprises frequency conversion fan, connecting pipe, air floating band steel transport unit; As Fig. 1, Fig. 2, shown in Figure 3, air floating band steel transport unit comprises air chamber 1, right nozzle 2, left nozzle 3, fair water fin 4, be provided with gas storage chamber in the air chamber 1, air chamber 1 upper left end is fixedly connected with left nozzle 3 (pressure-tight welds, need to do air-tight test after having welded), air chamber 1 upper right end is fixedly connected with right nozzle 2 (pressure-tight weld needs to do air-tight test after having welded), and left nozzle 3, right nozzle 2 are connected with the gas storage chamber of air chamber 1 respectively; The upper end of air chamber 1 is fixedly connected with fair water fin 4, and the left end of fair water fin 4 is positioned at the outlet edge of left nozzle 3, and the right-hand member of fair water fin 4 is positioned at the outlet edge of right nozzle 2; The bottom of air chamber 1 is fixed in the stove by fixed head; Air chamber 1 is provided with air intake flange (with the connected mode in the external world is that flange is connected, and this junction will guarantee impermeability); The air intake flange links to each other with connecting pipe, and connecting pipe links to each other with frequency conversion fan.Frequency conversion fan provides source of the gas, source of the gas is entered in the gas storage chamber of air chamber 1 by connecting pipe, after a pair of nozzle of positioned opposite sprays the ejection that has a certain degree, between band steel 5 and fair water fin 4, produce static pressure, thereby the band steel is produced floating force (relying on the ejection air-flow to produce a power that makes progress below the band steel will be with steel to hold up stably).
After gas flowed into gas storage chamber (air chamber), execute-in-place, spot check personnel can record pressure signal by the pressure tap at gas storage chamber place and judge the floating height of band steel, also can set the force value of the pressure tap at gas storage chamber place according to the band steel of different size.
Summary of the invention
The purpose of this utility model is to provide a kind of floating height performance testing device of air floating band steel transport unit, the floating height performance of this floating height performance testing device energy test air formula band steel conveyer.
To achieve these goals, the technical solution of the utility model is: the floating height performance testing device of air floating band steel transport unit is characterized in that it comprises displacement direction finder support, left counterweight, left backing roll, displacement direction finder, right backing roll, right counterweight, displacement transducer, computing machine, first pressure transducer, the first pressure measurement signal line, pressure unit; The left end of calibration tape steel is fixedlyed connected with left counterweight after by left backing roll, the right-hand member of calibration tape steel is fixedlyed connected with right counterweight by right backing roll, left side backing roll, right backing roll are arranged on the band steel bracket, and the middle part of calibration tape steel is positioned at the top of air floating band steel transport unit; The displacement direction finder is arranged on the displacement direction finder support, the displacement direction finder is positioned at the top at calibration tape steel middle part, the output terminal of displacement direction finder is linked to each other with the input end of displacement transducer by signal wire, and the output terminal of displacement transducer is linked to each other with the input interface of computing machine by signal wire; First pressure transducer is positioned at first pressure tap on the air floating band steel transport unit, the output terminal of first pressure transducer is linked to each other with the input end of pressure unit by the first pressure measurement signal line, and the output terminal of pressure unit is linked to each other with the input interface of computing machine by signal wire.
The beneficial effects of the utility model are: floating height performance testing device of the present utility model is simple, easy to be operated, and can easily measure the floating height performance of air floating band steel transport unit.
Description of drawings
Fig. 1 is the structural representation of existing air floating band steel transport unit;
Fig. 2 is the air supporting schematic diagram of existing air floating band steel transport unit;
Fig. 3 is the structural representation of the left nozzle of existing air floating band steel transport unit;
Fig. 4 is the structural representation of floating height performance testing device of the present utility model;
Among the figure: the 1-air chamber, the 2-right nozzle, the 3-left nozzle, the 4-fair water fin, 5-is with steel; The 6-air floating band steel transport unit, 7-displacement direction finder support, 8-frequency conversion fan, 9-left side counterweight, 10-left side backing roll, 11-displacement direction finder, the right backing roll of 12-, the right counterweight of 13-, 14-displacement transducer, 15-computing machine, 16-first pressure transducer, the 17-first pressure measurement signal line, 18-pressure unit, 19-calibration tape steel.
Embodiment
In order to understand the utility model better, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
As shown in Figure 4, the floating height performance testing device of air floating band steel transport unit, it comprises displacement direction finder support 7, left counterweight 9, left backing roll 10, displacement direction finder 11, right backing roll 12, right counterweight 13, displacement transducer 14, computing machine 15, first pressure transducer 16, the first pressure measurement signal line 17, pressure unit 18; Calibration tape steel a 19 (i.e. section strip steel, be used for test) left end then fixedly connected by left backing roll 10 with left counterweight 9, the right-hand member of calibration tape steel 19 is fixedlyed connected (both sides of calibration tape steel 19 apply tension force by counterweight) by right backing roll 12 with right counterweight 13, left side backing roll 10, right backing roll 12 are arranged on the band steel bracket, and the middle part of calibration tape steel 19 is positioned at the top of air floating band steel transport unit 6; Displacement direction finder 11 is arranged on the displacement direction finder support 7, displacement direction finder 11 is positioned at the top at calibration tape steel 19 middle parts, the output terminal of displacement direction finder 11 is linked to each other by the input end of signal wire with displacement transducer 14 (can adopt existing displacement transducer), and the output terminal of displacement transducer 14 is linked to each other by the input interface of signal wire with computing machine 15; First pressure transducer 16 is positioned at first pressure tap on the air floating band steel transport unit 6, and (air floating band steel transport unit 6 is provided with first pressure tap, first pressure tap communicates with the gas storage chamber of air floating band steel transport unit 6), the output terminal of first pressure transducer 16 is linked to each other with the input end of pressure unit 18 by the first pressure measurement signal line 17, and the output terminal of pressure unit 18 is linked to each other by the input interface of signal wire with computing machine 15.All experimental datas all are stored in the computing machine.
The method of testing of performance of air floating band steel transport unit, it comprises the steps:
The test of floating height performance: the top that 1. the calibration tape steel is arranged on air floating band steel transport unit; (the changeable frequency scope is that 5～100Hz) frequency is in 5～20 different measuring points, writes down the frequency of each measuring point respectively to regulate the frequency conversion fan of air floating band steel transport unit; Force value (recording) when measuring 5～20 different frequency measuring points simultaneously in the air floating band steel transport unit by first pressure tap, and write down the force value of each measuring point respectively; The floating height value (displacement after from static state to the floating stable) of calibration tape steel when measuring 5～20 different frequency measuring points simultaneously, and write down the floating height value of each measuring point respectively;
2. make curve map according to the above-mentioned frequency conversion fan frequency that records, force value, floating height value, draw the relation (effect: execute-in-place, spot check personnel can record pressure signal by the pressure tap at gas storage chamber place and judge the floating height of band steel) between floating height and force value, the frequency conversion fan frequency;
Claims (1)
1. the floating height performance testing device of air floating band steel transport unit is characterized in that it comprises displacement direction finder support (7), left counterweight (9), left backing roll (10), displacement direction finder (11), right backing roll (12), right counterweight (13), displacement transducer (14), computing machine (15), first pressure transducer (16), the first pressure measurement signal line (17), pressure unit (18); The left end of calibration tape steel (19) is fixedlyed connected with left counterweight (9) by left backing roll (10) back, the right-hand member of calibration tape steel (19) is fixedlyed connected with right counterweight (13) by right backing roll (12), left side backing roll (10), right backing roll (12) are arranged on the band steel bracket, and the middle part of calibration tape steel (19) is positioned at the top of air floating band steel transport unit (6); Displacement direction finder (11) is arranged on the displacement direction finder support (7), displacement direction finder (11) is positioned at the top at calibration tape steel (19) middle part, the output terminal of displacement direction finder (11) is linked to each other by the input end of signal wire with displacement transducer (14), and the output terminal of displacement transducer (14) is linked to each other by the input interface of signal wire with computing machine (15); First pressure transducer (16) is positioned at first pressure tap on the air floating band steel transport unit (6), the output terminal of first pressure transducer (16) is linked to each other with the input end of pressure unit (18) by the first pressure measurement signal line (17), and the output terminal of pressure unit (18) is linked to each other by the input interface of signal wire with computing machine (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200866719U CN201464175U (en) | 2009-06-16 | 2009-06-16 | Floating height performance tester for air-floating band steel conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200866719U CN201464175U (en) | 2009-06-16 | 2009-06-16 | Floating height performance tester for air-floating band steel conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464175U true CN201464175U (en) | 2010-05-12 |
Family
ID=42391526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200866719U Expired - Lifetime CN201464175U (en) | 2009-06-16 | 2009-06-16 | Floating height performance tester for air-floating band steel conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201464175U (en) |
-
2009
- 2009-06-16 CN CN2009200866719U patent/CN201464175U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |