CN201319022Y - Defect-detecting device for inner wall of heat-treating furnace kiln - Google Patents
Defect-detecting device for inner wall of heat-treating furnace kiln Download PDFInfo
- Publication number
- CN201319022Y CN201319022Y CNU2008200598138U CN200820059813U CN201319022Y CN 201319022 Y CN201319022 Y CN 201319022Y CN U2008200598138 U CNU2008200598138 U CN U2008200598138U CN 200820059813 U CN200820059813 U CN 200820059813U CN 201319022 Y CN201319022 Y CN 201319022Y
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- China
- Prior art keywords
- image acquisition
- wirerope
- elevating mechanism
- acquisition units
- central control
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- Expired - Lifetime
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
A defect-detecting device for the inner wall of a furnace kiln comprises a lifting mechanism, an image acquisition unit, and a central control unit. The lifting mechanism comprises an upper bracket, a lower bracket, a traction mechanism, and a steel cable, wherein, the upper bracket is connected to a horizontal supporting plate of an upper detecting port of the furnace kiln, two fixed pulleys are mounted on the upper bracket, the lower bracket is connected to a lower detecting port of the furnace kiln, a fixed pulley and a traction mechanism are mounted on the lower bracket, the steel cable is wound on the pulleys of the upper and the lower brackets and a traction mechanism to form an enclosed hoop cable. The image acquisition unit comprises a suspended plate, a tripod head camera, a signal transmission device and an illuminating lamp, wherein, the tripod head camera and the signal transmission device are mounted on a tripod head, the tripod head and the illuminating lamp are mounted on the suspended plate, and the upper and the lower parts of the suspended plate are fixed with an upper steel cable and a lower steel cable arranged on both sides of the lifting mechanism. The central control unit controls the image acquisition unit and the lifting mechanism. Detecting personnel can accurately position the damaged parts in the kiln without the need of entering the kiln, so that the safety hazards are eliminated.
Description
Technical field
The utility model relates to a kind of industrial inner wall defect of heat treatment furnace automatic detection device.
Background technology
At present, general heat treatment furnace will determine whether to exist defective to need repairing up to twenty or thirty rice earlier before the maintenance of stove inwall, and this work is entered in the furnace chamber by the workman to be carried out, and mainly adopts two kinds of methods: the one, set up framing scaffold, and the 2nd, use the rope climbing method.Need the plenty of time but the former sets up framing scaffold, can't realize quick check, and need to drop into a large amount of manpower and materials; The latter belongs to work high above the ground, the danger that the supervisory personnel has the high-altitude to fall.Even blowing out cooling when the workman enters to detect, temperature still is higher than 50 ℃ in the stove, belongs to high-temperature service.Also there is not at present a kind of automatic checkout equipment that can replace the workman to enter the furnace chamber inspection effectively.
The utility model content
The purpose of this utility model is to provide a kind of realization thermal treatment furnace wall defective virtual detector, make the testing staff needn't enter furnace chamber by monitor can the clear view stove in situation and can judge whether to exist defective or damage to need repairing.Because temperature was very high when stove was produced, equipment can only be installed and used after the furnace shutdown period temperature lowers, and therefore requires equipment volume little, and is flexibly light and handy, is easy to carry and installs.Because stove is very high, also requires equipment operation steady, should not cause acutely rocking of image during operation, can accurately locate broken parts in the stove.
The pick-up unit of inner wall defect of heat treatment furnace comprises elevating mechanism, image acquisition units and central control unit three parts, it is characterized in that:
A) elevating mechanism: form by upper and lower support, carrying means, wirerope, upper bracket is connected on the cross-brace plate that detects mouth on the stove, two fixed pulleys are housed on the upper bracket, lower carriage is connected on the cross-brace plate of inspection socket under the stove, a fixed pulley and carrying means are housed on the lower carriage, wirerope is walked around the pulley and the carrying means of upper and lower support, forms the strop of a sealing.
B) image acquisition units: image acquisition units is formed by hanging flat board, monopod video camera, signal transmitting apparatus and illuminating lamp, monopod video camera and signal transmitting apparatus are installed on the described The Cloud Terrace, The Cloud Terrace, illuminating lamp are installed on the described suspension flat board, and the suspension flat board is upper and lower respectively to be fixed with the upper and lower wirerope of elevating mechanism both sides.
C) central control unit: the control line and the central control unit of image acquisition units and elevating mechanism link.
The described upper and lower both sides that hang flat board respectively are connected with an anti-shake support, and each anti-shake support is provided with two trough of belt angle sheaves, and the wirerope of opposite side is from the middle process of two grooves, and one of them angle sheave fixed orifice is an elongated slot.
Be separately installed with upper limit position switch and lower position switch in last fixed pulley bottom and following fixed pulley top.
Carrying means is made up of slowing-down brake motor, stepless speed adjusting gear and traction sheave, and the slowing-down brake motor is installed on the lower carriage, and traction sheave is connected with the motor key, and wirerope is tightened in the traction groove of traction sheave.
Owing to be fixed with two anti-shake supports on the suspension flat board of image acquisition units, can effectively prevent the shake of image acquisition units, one of them angle sheave fixed orifice is an elongated slot, unclamps nut mobile guide wheel and just can unload wirerope, and is simple in structure, easy to loading and unloading.This device can drive the suspension flat board by elevating mechanism and move up and down at the heat treatment furnace inwall, by central processing unit controls camera automatic lifting and rotation, the image signal transmission of furnace wall to graphoscope, compare by Computer Image Processing or manual observation, can judge whether defectiveness of heat-treatment furnace inwall, whether need repairing.Utilize this device, the testing staff need not enter in the furnace chamber, has not only eliminated potential safety hazard, and reduction of erection time greatly, saves the energy, has improved production efficiency.Simultaneously the utility model volume is little, and is flexibly light and handy, is easy to carry and installs, and operates steadily, to broken parts accurate positioning in the stove.
Description of drawings
Fig. 1 is pick-up unit scheme of installation in heat-treatment furnace of inner wall defect of heat treatment furnace;
Fig. 2 is the synoptic diagram of elevating mechanism, image acquisition units and CPU (central processing unit);
Fig. 3 is the partial enlarged drawing of anti-shake support and angle sheave;
Fig. 4 is the carrying means structural representation.
1. heat-treatment furnace, 2. image acquisition units, 3. elevating mechanism, 4. upper bracket, 5. fixed pulley, 6. upper limit position switch, 7. illuminating lamp, 8. anti-shake support, 9. angle sheave, 10. hang flat board, 11. monopod video cameras, 12. wireropes, 13. lower position switch, 14. carrying means, 15. brake motors, 16. lower carriages, 17. central control unit, 18. keys.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
The pick-up unit of inner wall defect of heat treatment furnace, as shown in Figure 1.Comprise elevating mechanism 1, image acquisition units 2 and central control unit 3 three parts.
A) elevating mechanism as shown in Figure 2: by upper bracket 4, lower carriage 16, carrying means 14 and wirerope 12 are formed, upper bracket 4 is connected on the cross-brace plate that detects mouth on the stove, two fixed pulleys 5 are housed on the upper bracket, lower carriage 16 is connected on the cross-brace plate of inspection socket under the stove, a fixed pulley 5 and carrying means 14 are housed on the lower carriage 16, wirerope 12 is walked around from upper bracket two fixed pulleys 5 and is hung, one end hook firmly hangs hook place, dull and stereotyped 10 top, the other end walks around lower carriage place, bottom carrying means 14 traction sheaves again and fixed pulley makes progress, and hooks to hang hook place, dull and stereotyped 10 bottom.Traction platform bottom is fixed, the upper and lower both sides that hang flat board 10 respectively are connected with an anti-shake support 8, each anti-shake support is provided with two trough of belt angle sheaves 9, and as shown in Figure 3, the wirerope of opposite side passes through in the middle of two grooves, one of them angle sheave fixed orifice is an elongated slot, one of them angle sheave is unscrewed, remove, block to retract again behind the wirerope 12 screwing along gathering sill, wirerope just is stuck in 8 li on anti-shake support, and whole elevating mechanism is constructed and finished.Wirerope 12 is walked around the fixed pulley and the tracting structure of upper and lower support, forms the strop of a sealing.
B) image acquisition units 2: image acquisition units as shown in Figure 2, form by hanging flat board 10, monopod video camera 11, signal transmitting apparatus and illuminating lamp 7, monopod video camera 11 and signal transmitting apparatus are installed on the described The Cloud Terrace, and The Cloud Terrace, illuminating lamp 7 are installed in the described suspension dull and stereotyped 10.
C) central control unit 17: the control line of image acquisition units 2 and elevating mechanism 3 is by central control unit 17 controls, as shown in Figure 2.
As Fig. 4, when elevating mechanism installs, the control line and the central control unit 17 of elevating mechanism 3, image acquisition units 2 are linked, open general supply after errorless on inspection, open computing machine, video camera, traction motor and lighting power switch then respectively, if no abnormal, the positive reverse action of crawl traction motor then, whether have when observing motor rotation and tremble and noise, whether skid when wirerope is walked about, phenomenon such as pause, if can continue operation after having above-mentioned abnormal conditions to get rid of.About crawl focal length of camera and The Cloud Terrace, pitching action, observe the computer display screen image change simultaneously, if no abnormal, then system changes test over to and prepares.Can show dynamic camera picture in the computer picture, the testing staff determines whether to exist defective by observing this picture.
At first turn on the power switch, image acquisition units rises to and is set to Z axle zero point when just seeing a brick lower limb, and The Cloud Terrace rotates to sees that the minimum position of fragment of brick number is Z axle sense of rotation zero point.Start autoscan then, elevating mechanism 3 can drive image acquisition units 2 and at the uniform velocity rise or descend, and this moment, The Cloud Terrace and video camera were motionless.In scanning process as find that those suspected defects then starts the manual scanning pattern, can manually control this moment about the elevating mechanism, the converse commentaries on classics of The Cloud Terrace, focus adjustment.If certain defectiveness, with the tracking cross centrally aligned defective of monitor window, press take pictures after, image and picture position information storage send database to.Recover to reset earlier before the autoscan, allow video camera get back to the preceding track of autoscan and get on.Can trigger upper limit position switch 6 or lower position switch 13 after elevating mechanism rises or drops to the precalculated position, The Cloud Terrace rotates an angle rear lifting mechanism reverse scan, so is circulated to all inwall ends of scan.
Claims (3)
1. the pick-up unit of inner wall defect of heat treatment furnace comprises elevating mechanism, image acquisition units and central control unit three parts, it is characterized in that:
A) elevating mechanism: form by upper and lower support, carrying means, wirerope, upper bracket is connected on the cross-brace plate that detects mouth on the stove, two fixed pulleys are housed on the upper bracket, lower carriage is connected on the cross-brace plate of inspection socket under the stove, a fixed pulley and carrying means are housed on the lower carriage, wirerope is walked around the pulley and the carrying means of upper and lower support, forms the strop of a sealing;
B) image acquisition units: image acquisition units is formed by hanging flat board, monopod video camera, signal transmitting apparatus and illuminating lamp, monopod video camera and signal transmitting apparatus are installed on the described The Cloud Terrace, The Cloud Terrace, illuminating lamp are installed on the described suspension flat board, and the suspension flat board is upper and lower respectively to be fixed with the upper and lower wirerope of elevating mechanism both sides;
C) central control unit: the control line and the central control unit of image acquisition units and elevating mechanism link.
2. the pick-up unit of inner wall defect of heat treatment furnace according to claim 1, it is characterized in that: the described upper and lower both sides that hang flat board respectively are connected with an anti-shake support, each anti-shake support is provided with two trough of belt angle sheaves, the wirerope of opposite side is from the middle process of two grooves, and one of them angle sheave fixed orifice is an elongated slot.
3. the pick-up unit of inner wall defect of heat treatment furnace according to claim 1 is characterized in that: be separately installed with upper limit position switch and lower position switch in last fixed pulley bottom and following fixed pulley top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200598138U CN201319022Y (en) | 2008-06-17 | 2008-06-17 | Defect-detecting device for inner wall of heat-treating furnace kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200598138U CN201319022Y (en) | 2008-06-17 | 2008-06-17 | Defect-detecting device for inner wall of heat-treating furnace kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319022Y true CN201319022Y (en) | 2009-09-30 |
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ID=41197786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200598138U Expired - Lifetime CN201319022Y (en) | 2008-06-17 | 2008-06-17 | Defect-detecting device for inner wall of heat-treating furnace kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319022Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294915B (en) * | 2008-06-17 | 2011-11-30 | 上海理工大学 | System and method for detecting inner wall defect of heat treatment furnace |
| CN107676776A (en) * | 2017-11-14 | 2018-02-09 | 山东耀华特耐科技有限公司 | A kind of high temperature resistant fault detection system of boiler hearth of circulating fluidized bed |
-
2008
- 2008-06-17 CN CNU2008200598138U patent/CN201319022Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294915B (en) * | 2008-06-17 | 2011-11-30 | 上海理工大学 | System and method for detecting inner wall defect of heat treatment furnace |
| CN107676776A (en) * | 2017-11-14 | 2018-02-09 | 山东耀华特耐科技有限公司 | A kind of high temperature resistant fault detection system of boiler hearth of circulating fluidized bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090930 Effective date of abandoning: 20080617 |