CN203405323U - Air floatation type metal belt conveying device performance test system - Google Patents
Air floatation type metal belt conveying device performance test system Download PDFInfo
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- CN203405323U CN203405323U CN201320471865.7U CN201320471865U CN203405323U CN 203405323 U CN203405323 U CN 203405323U CN 201320471865 U CN201320471865 U CN 201320471865U CN 203405323 U CN203405323 U CN 203405323U
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Abstract
The utility model discloses an air floatation type metal belt conveying device performance test system comprising an electrical control system, a blower, a left counterweight, a right counterweight, a left supporting roller, a right supporting roller, a first displacement sensor which is arranged above the middle part of a horizontal one-way conveying device for test, displacement sensors, a displacement sensor support, a displacement transmitter, a computer, a pressure sensor and a differential pressure transmitter. During test, a metal belt is arranged above the horizontal one-way conveying device. The displacement sensor support is provided with multiple displacement sensors which are used for detecting displacement of a cross section of operation direction of the metal belt. The test range of the test system includes the horizontal one-way conveying device and a horizontal two-way conveying device. Floatation height of the metal belt can be detected in a multipoint way so that corresponding relationship between floatation height and floatation pressure of the metal belt, horizontal floatation height difference, pressure equalization degree between a driving side and an operating side inside the conveying device and vibration amplitude of the metal belt can be more precisely reflected, and thus reliable basis is provided for deviation correcting research and device operation.
Description
Technical field
The utility model relates to a kind of Performance Test System of the air-flotation type metal tape conveying device for rolling mill production line.
Background technology
Existing metal tape transmits and is mostly contact transmission, adopts roller base part to support and transmits.Easily there is following problem in this load mode: 1, roll surface easy dross in high temperature wet atmosphere causes surfaces of metallic strip to scratch, and further worsens transmission quality under specific environment; 2, in some wet atmosphere and hot environment, the oxidation loss in weight of carbon is larger, and the roll surface life-span can shorten dramatically, and consumptive material expense is larger; 3, maintenance number of times is more, reduces production efficiency.In addition, due to technological requirement, surfaces of metallic strip is with not solidified coating, once contact just may cause the destruction to coating, and produces bonding at roll surface, then causes again the impact more serious on metal surface quality, cannot meet the production requirement of certified products.
Therefore, in this case, use air-flotation type (contactless) metal tape conveying device just to become the inevitable choice of production line preparation.
Air-flotation type metal tape conveying device according to use, occasion difference can be divided into level, vertical, turn to and seal Four types, wherein level is horizontal single-headed, is sealed into horizontal bidirectional, the utility model relates generally to two kinds of horizontal single-headed and horizontal bidirectionals.
Air-flotation type metal tape horizontal single-headed conveying device comprises frequency conversion fan, airduct, air flotation conveying device; As shown in Figures 1 to 4, air flotation conveying device comprises casing 1, narrow slit nozzle 2 and fair water fin 3, is provided with gas storage chamber 11 in casing 1, and casing upper end is fixedly connected with narrow slit nozzle 2, and narrow slit nozzle 2 is connected with the gas storage chamber 11 of casing 1; Casing upper end is fixedly connected with fair water fin 3, and fair water fin 3 is located at the outlet edge of narrow slit nozzle 2; The bottom of casing is fixed by fixed head; Casing is provided with air inlet flange; Air inlet flange is connected with airduct, and airduct is connected with frequency conversion fan.Frequency conversion fan provides air-flow, and air-flow is entered by airduct in the gas storage chamber of casing, after a pair of narrow slit nozzle that is sprayed into certain angle of positioned opposite sprays, produces pressure, thereby metal tape is produced to floating force between metal tape and fair water fin.
In metal tape air supporting transmitting procedure, due to the pressure differential between fore side and transmission side, metal is with movement tendency, and therefore conventional conveying device has been carried out certain improvement at present, its fair water fin is designed with flange gusset in the both sides of metal tape Width, as shown in Figure 5.Suppose metal tape 4 in operational process to unit transmission side (DS) sideslip, i.e. metal tape center line deflection unit DS side, now the close DS side of metal tape is because of the barrier effect of flange gusset, corresponding gaseous tension raises, i.e. P
0>Pw, thereby the Floating Height of DS side metal tape is increased relatively, cause metal tape in heeling condition, now metal tape is subject to the effect of gas force F in Fig. 5, and F component Fsin α in the horizontal direction makes metal tape toward active side (WS) travelling backwards, makes its center line be returned to the position overlapping with unit centre line, play the effect of correction, current this conveying device is used more, but rectifying effect is still not ideal, needs reasonably test that more sufficient reference information is provided.
Chinese patent CN201464175U discloses a kind of Floating Height performance testing device of air-flotation type metal tape conveying device, by using the method for displacement transducer and the first pressure tap pressure test to detect the Floating Height performance of air-flotation type metal tape conveying device, the test mode of this device has the following disadvantages:
1, adopt the Floating Height of single displacement sensor metal tape, ignored the inhomogeneous inhomogeneous problem of steel band Floating Height causing of pressure, and it is poor to detect horizontal Floating Height;
2, adopt single pressure tap, the pressure of cannot pick-up unit inner transmission side and fore side changes, and to the pressure of fore side, change the movement tendency of the metal tape causing when floating by transmission side, cannot provide relevant foundation for the correction research of air-flotation type metal tape conveying device.
Utility model content
Because prior art exists the problems referred to above, the utility model proposes a kind of air-flotation type metal tape conveying device Performance Test System, when its object has been to solve the Floating Height of single displacement sensor metal tape, ignore the inhomogeneous problem of the inhomogeneous Floating Height causing of pressure, can laterally detect Floating Height poor.
Two of the purpose of this utility model is, the pressure that causes cannot pick-up unit inner transmission side and fore side that solves single pressure measurement changes and by transmission side, to the pressure of fore side, is changed the problem of the movement tendency of the metal tape causing when floating, and the correction research that can be air-flotation type metal tape conveying device provides relevant foundation.
The utility model addresses the above problem by the following technical programs:
A kind of air-flotation type metal tape horizontal single-headed conveying device Performance Test System, it comprises electric control system, blower fan, left, right counterweight, left, right support roller, one is located at the first displacement transducer of top, horizontal unidirectional conveying apparatus middle part for test, displacement transducer, displacement sensor bracket, displacement transducer, computing machine, pressure transducer, differential pressure transmitter, during test, one metal tape is positioned at described horizontal single-headed conveying device top, on described displacement sensor bracket, be also provided with the displacement transducer of some xsect top offsets for detection of described metal tape traffic direction.
On described displacement sensor bracket, be also provided with a second displacement sensor for detection of metal tape displacement on the inside 10-30 of described horizontal single-headed conveying device fore side side centimetre position and a triple motion sensor for detection of metal tape displacement on the inside 10-30 of described horizontal single-headed conveying device transmission side side centimetre position.
The both sides of described horizontal single-headed conveying device are provided with the symmetrical pressure tap of many groups, and the air outlet of described horizontal single-headed conveying device fore side center and described blower fan is equipped with one or more pressure taps.。
Described second displacement sensor is respectively arranged with the first, second, third and the 4th Floating Height test point near the rear and front end of the rear and front end of described fore side side and the close described transmission side side of triple motion sensor.
Described second displacement sensor is respectively arranged with a plurality of Floating Height test points near the rear and front end of described fore side side, and the rear and front end of the close described transmission side side of described triple motion sensor is respectively arranged with a plurality of Floating Height test points.
The utility model also proposes a kind of air-flotation type metal tape conveying device Performance Test System, it comprises the horizontal bidirectional conveying device being comprised of top flotation gear and bottom flotation gear, for described horizontal bidirectional conveying device provides the blower fan of wind-force, electric control system, left, right counterweight, left, right support roller, displacement transducer, displacement sensor bracket, displacement transducer, computing machine, pressure transducer, differential pressure transmitter, the top that the both sides of described top flotation gear and bottom flotation gear are equipped with the pressure tap of some groups of symmetries and the close fore side of described top flotation gear and bottom flotation gear is equipped with one group of pressure tap.
By the two ends of described top flotation gear respectively to being arranged with the 5th, the 6th Floating Height test point, and the two ends by described bottom flotation gear are upwards provided with respectively the 7th, the 8th Floating Height test point, and described the 5th, the 6th Floating Height test point and described the 7th, the 8th (or arranging more according to this set-up mode) Floating Height test point lay respectively at fore side and the transmission side of described horizontal bidirectional conveying device.
By the two ends of described top flotation gear, respectively to being arranged with some Floating Height test points, and be upwards provided with respectively some Floating Height test points by the two ends of described bottom flotation gear.
Owing to using above-mentioned technological means, the utility model has possessed following advantage:
1, by increasing displacement transducer and in conjunction with computer system analysis, can multiple spot detect the Floating Height of metal tape, what overcome that single point test causes cannot overcome the inhomogeneous problem of Floating Height; Floating Height can laterally be detected poor simultaneously.
2, by multipoint pressure measure and in conjunction with computer system analysis, can reflect more accurately the corresponding relation of metal tape Floating Height and floating pressure, the laterally the balance degree of cylinder compression pressures between transmission side and fore side and the Oscillation Amplitude of metal tape in poor, the conveying device of Floating Height, the method and the foundation that provide reliable basis and equipment operation to adjust for the correction research of air-flotation type metal tape conveying device.
Accompanying drawing explanation
Fig. 1 is air-flotation type metal tape horizontal single-headed transport conveyor constructions schematic diagram;
Fig. 2 is air-flotation type metal tape horizontal single-headed conveying device air supporting schematic diagram;
Fig. 3 is air-flotation type metal tape horizontal bidirectional transport conveyor constructions schematic diagram;
Fig. 4 is air-flotation type metal tape horizontal bidirectional conveying device air supporting schematic diagram;
Fig. 5 is flange muscle deviating correcting principle figure;
Fig. 6 is the utility model air-flotation type metal tape horizontal single-headed conveying device Performance Test System structural representation;
Fig. 7 is the utility model air-flotation type metal tape horizontal single-headed conveying device Performance Test System measurement point distribution figure;
Fig. 8 is the utility model air-flotation type metal tape horizontal bidirectional conveying device Performance Test System measurement point distribution figure;
Fig. 9 is the floating pressure of metal tape of the utility model air-flotation type metal tape horizontal single-headed conveying device test and the corresponding relation partial test result of Floating Height;
Figure 10 A and Figure 10 B are that the utility model air-flotation type metal tape horizontal single-headed conveying device is in the partial test result of the pressure of each test point shown in Fig. 7;
Figure 11 A-Figure 11 D is that the utility model air-flotation type metal tape horizontal bidirectional conveying device is at the pressure of each test point shown in Fig. 8;
Figure 12 is that the utility model air-flotation type metal tape horizontal bidirectional conveying device fore side and transmission side pressure differential are with floating high distribution plan.
Embodiment
Below in conjunction with embodiment, describe the utility model in detail.
Shown in Figure 6, be the utility model air-flotation type metal tape horizontal single-headed conveying device Performance Test System structural representation.
Air-flotation type metal tape horizontal single-headed conveying device Performance Test System of the present utility model, it comprises horizontal single-headed conveying device 5, for described horizontal single-headed conveying device 5 provides the blower fan 6 of wind-force, electric control system 7, left counterweight 81, right counterweight 82, left support roller 91, right support roller 92, one is located at the first displacement transducer 10 of described horizontal single-headed conveying device 5 tops, middle part, displacement sensor bracket 12, displacement transducer 13, computing machine 14, pressure transducer 15, differential pressure transmitter 16, during test, one metal tape 4 is positioned at described horizontal single-headed conveying device 5 tops, on described displacement sensor bracket 12, be also provided with the displacement transducer of some xsect top offsets for detection of described metal tape 4 traffic directions.
In the present embodiment, shown in Figure 7, on described displacement sensor bracket 12, be also provided with a second displacement sensor 17 for detection of metal tape displacement on the described horizontal single-headed conveying device inside 10-30 of 5 fore side side centimetre position and a triple motion sensor 18 for detection of metal tape displacement on the inside 10-30 of described horizontal single-headed conveying device transmission side side centimetre position.Described the first displacement transducer 10, second displacement sensor 17 and triple motion sensor 18 are connected in described computing machine 14 by same described displacement transducer 13.Described the first displacement transducer 10, second displacement sensor 17 and triple motion sensor 18 detect respectively the drift height on metal tape 4 middle part, the left side and the right on Width.
In the present embodiment, monosymmetric being provided with of described horizontal single-headed conveying device 5 organized pressure tap (not shown in FIG.)s more.And the air outlet of described horizontal single-headed conveying device casing fore side center and described blower fan is equipped with one or a plurality of pressure tap.Pressure tap has 14.Described in each, in pressure tap, be provided with a pressure transducer, each pressure tap position is pressure tap.And each pressure transducer is connected in described computing machine by differential pressure transmitter one to one.Shown in Figure 7, the pressure tap arranging respectively in the both sides of this horizontal single-headed conveying device 5 is designated as 1-1,1-2 ... 1-6,2-1,2-2 ... 2-6, wherein, pressure tap 1-1,1-2 ... 1-6 is located at upstream blower fan feed end, pressure tap 2-1,2-2 ... 2-6 is located at downstream blower fan feed end.Horizontal single-headed conveying device casing fore side centre bit installs pressure tap and is designated as 0, and the air outlet pressure tap of described blower fan is designated as 3-0.
Described second displacement sensor 17 is respectively arranged with the first, second, third and the 4th Floating Height test point (not shown) near the rear and front end of the rear and front end of described fore side side and the close described transmission side side of triple motion sensor 18.Shown in Figure 7, in figure, A, B, C, D are first, second, third and the test point of the 4th Floating Height test point.
The utility model also proposes a kind of air-flotation type metal tape horizontal bidirectional conveying device Performance Test System, shown in Figure 8, its structure is roughly identical with described air-flotation type metal tape horizontal single-headed conveying device Performance Test System, difference is the horizontal bidirectional conveying device of its conveying device for being comprised of top flotation gear 21 and bottom flotation gear 22, and the top that the both sides of described top flotation gear 21 and bottom flotation gear 22 are equipped with the pressure tap of some groups of symmetries and the close fore side of described top flotation gear and bottom flotation gear is equipped with one group of pressure tap.Described in each, in pressure tap, be provided with a pressure transducer, and each pressure transducer is connected in described computing machine by differential pressure transmitter one to one (each pressure transducer connects a differential pressure transmitter, and all differential pressure transmitters are placed on a support).Shown in Figure 8, the pressure tap arranging respectively in the both sides of described top flotation gear 21 is designated as 12-1,12-2 ... 12-6,22-1,22-2 ... 22-6; The pressure tap that the both sides of bottom flotation gear 22 arrange is respectively designated as 11-1,11-2 ... 11-6,21-1,21-2 ... 21-6; The top of the close fore side of described top flotation gear and bottom flotation gear is equipped with one group of pressure tap, is labeled as respectively 12-0,22-0,11-0,21-0.Totally 28 of pressure taps.The gas dome of each blower fan is labeled as respectively 11#, 12#, 21# and 22#.Wherein, 11#, 12# are by upstream blower fan supply wind-force; 21#, 22# are by downstream blower fan supply wind-force.
By the two ends of described top flotation gear respectively to being arranged with the 5th, the 6th Floating Height test point; And the two ends by described bottom flotation gear are upwards provided with respectively the 7th, the 8th Floating Height test point.Described the 5th, the 6th Floating Height test point and described the 7th, the 8th Floating Height test point lay respectively at fore side and the transmission side of described horizontal bidirectional conveying device.Shown in Figure 8, in figure, A1, B1, C1, D1 are the 5th, the 6th, the 7th, the 8th Floating Height test point.
To carry out example test to the utility model below:
Floating Height 5mm, 10mm, 15mm, 20mm are preset in performance test, and test uses metal tape size in Table 1.
Table 1 test metal tape size
| Sequence number | 1 | 2 | 3 | 4 |
| Thickness (mm) | 0.18 | 0.28 | 0.34 | 0.50 |
| Width (mm) | 890 | 1022 | 1030 | 1020 |
1, utilize air-flotation type metal tape horizontal single-headed conveying device Performance Test System to test, its concrete steps are as follows:
(1) will test with metal tape installation in position on test macro, the working tension corresponding according to each specification metal tape arranges counterweight;
(2) regulate frequency conversion fan frequency to make that metal tape is stable to be swum in preset height, gather each point pressure and amplitude, on each Floating Height, pressure and amplitude are sampled respectively 10 groups, 10 seconds, every group of interval;
(3) above-mentioned surveyed data are processed to the relation that obtains pressure, Floating Height and each pressure tap, partial test the results are shown in Figure 9 and Figure 10 A, Figure 10 B.
As can be seen from Fig. 9: floating pressure and Floating Height, metal tape thickness are approximately linear relationship; From Figure 10 A and Figure 10 B: pressure tap 1-1, the 1-2 of upstream blower fan feed end ... the pressure differential of 1-6 is obvious, and especially pressure tap 1-6 is less than about greatly 30% than pressure tap 1-1; 2-1, the 2-2 of downstream blower fan feed end ... pressure differential between 2-6 is less than the pressure differential of upstream blower fan feed end, and the pressure differential deviation of downstream blower fan feed end is about 10%.
2, utilize air-flotation type metal tape horizontal bidirectional conveying device Performance Test System to test, its concrete steps are as follows:
(1) will test with metal tape installation in position on test macro, the working tension corresponding according to each specification metal tape arranges counterweight;
(2) regulate frequency conversion fan frequency to make that metal tape is stable to be swum in preset height, gather each point pressure, on each Floating Height, pressure is sampled respectively 10 groups, 10 seconds, every group of interval;
(3) above-mentioned surveyed data are processed to the relation that obtains pressure, Floating Height and each pressure tap, partial test the results are shown in Figure 11A-Figure 11 D and Figure 12.
From Figure 11 A-Figure 11 D, can find out: along with floating high increase, pressure linear growth, at each, float under high operating mode, air-floating apparatus is equipped with near the top of fore side is labeled as 12-0, 22-0, 11-0, the pressure at the pressure tap place of 21-0 is not significantly higher than the pressure of the air outlet of both sides, from fore side to transmission side, pressure distribution is almost consistent, illustrate that internal gas flow is more stable, distribute more even, bottom air-floating apparatus 11-0, 21-0 place pressure and both sides pressure tap 11-1, 11-2 ... 11-6, 21-1, 21-2 ... the pressure of 21-6 is consistent, there is not the phenomenon that pressure enlarges markedly, as can be seen from Fig. 12: the fore side of bottom air outlet 11# of upstream blower fan and the pressure reduction of transmission side are between 20-25Pa, and the fore side of bottom, downstream air outlet 21# and the pressure reduction of transmission side are between 10-20Pa.The fore side of top air-floating apparatus and the pressure reduction of transmission side are also not obvious, the pressure reduction of upstream top outlet inlet 12# fore side and transmission side is in 1pa, the pressure reduction of upstream top outlet inlet 22# fore side and transmission side is between-3Pa, and transmission side pressure is a little more than fore side pressure.
The air-flotation type conveying device for actual production designed according to performance test data of the present utility model can obtain good effect, and the data that obtain according to this test can be carried out setting parameter to the air-flotation type conveying device for actual production effectively.
Should be understood that these embodiments are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that, after having read content of the present utility model, those skilled in the art can make various changes or modifications the utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. an air-flotation type metal tape conveying device Performance Test System, it comprises electric control system, blower fan, left and right counterweight, left and right backing roll, one is located at the first displacement transducer of top, horizontal unidirectional conveying apparatus middle part for test, displacement sensor bracket, displacement transducer, computing machine, pressure transducer, differential pressure transmitter, is characterized in that: the displacement transducer that is also provided with some xsect top offsets for detection of metal tape traffic direction on described displacement sensor bracket.
2. air-flotation type metal tape conveying device Performance Test System according to claim 1, is characterized in that: on described displacement sensor bracket, be also provided with a second displacement sensor for detection of metal tape displacement on the inside 10-30 of described horizontal single-headed conveying device fore side side centimetre position and a triple motion sensor for detection of metal tape displacement on the inside 10-30 of described horizontal single-headed conveying device transmission side side centimetre position.
3. air-flotation type metal tape conveying device Performance Test System according to claim 1 and 2, it is characterized in that: the both sides of described horizontal single-headed conveying device are provided with the symmetrical pressure tap of many groups, and the air outlet of described horizontal single-headed conveying device fore side center and described blower fan is equipped with one or more pressure taps.
4. a kind of air-flotation type metal tape conveying device Performance Test System according to claim 2, is characterized in that: described second displacement sensor is respectively arranged with the first, second, third and the 4th Floating Height test point near the rear and front end of the rear and front end of described fore side side and the close described transmission side side of triple motion sensor.
5. a kind of air-flotation type metal tape conveying device Performance Test System according to claim 2, it is characterized in that: described second displacement sensor is respectively arranged with a plurality of Floating Height test points near the rear and front end of described fore side side, and the rear and front end of the close described transmission side side of described triple motion sensor is respectively arranged with a plurality of Floating Height test points.
6. an air-flotation type metal tape conveying device Performance Test System, it comprises the horizontal bidirectional conveying device being comprised of top flotation gear and bottom flotation gear, for described horizontal bidirectional conveying device provides the blower fan of wind-force, electric control system, left, right counterweight, left, right support roller, displacement transducer, displacement sensor bracket, displacement transducer, computing machine, pressure transducer, differential pressure transmitter, it is characterized in that: the top that the both sides of described top flotation gear and bottom flotation gear are equipped with the pressure tap of some groups of symmetries and the close fore side of described top flotation gear and bottom flotation gear is equipped with one group of pressure tap.
7. air-flotation type metal tape conveying device Performance Test System according to claim 6, it is characterized in that: by the two ends of described top flotation gear respectively to being arranged with the 5th, the 6th Floating Height test point, and the two ends by described bottom flotation gear are upwards provided with respectively the 7th, the 8th Floating Height test point, and described the 5th, the 6th Floating Height test point and described the 7th, the 8th Floating Height test point lay respectively at fore side and the transmission side of described horizontal bidirectional conveying device.
8. air-flotation type metal tape conveying device Performance Test System according to claim 6, it is characterized in that: by the two ends of described top flotation gear, respectively to being arranged with some Floating Height test points, and be upwards provided with respectively some Floating Height test points by the two ends of described bottom flotation gear.
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| CN201320471865.7U CN203405323U (en) | 2013-08-02 | 2013-08-02 | Air floatation type metal belt conveying device performance test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316302A (en) * | 2014-09-29 | 2015-01-28 | 山东安能输送带橡胶有限公司 | Conveyer belt troughability test method and apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316302A (en) * | 2014-09-29 | 2015-01-28 | 山东安能输送带橡胶有限公司 | Conveyer belt troughability test method and apparatus |
| CN104316302B (en) * | 2014-09-29 | 2017-05-03 | 山东康迪泰克工程橡胶有限公司 | Conveyer belt troughability test method and apparatus |
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Granted publication date: 20140122 Termination date: 20190802 |