CN204188120U - The measurement mechanism of the installation of TC degree of depth under the condition of high temperature - Google Patents
The measurement mechanism of the installation of TC degree of depth under the condition of high temperature Download PDFInfo
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- CN204188120U CN204188120U CN201420548451.4U CN201420548451U CN204188120U CN 204188120 U CN204188120 U CN 204188120U CN 201420548451 U CN201420548451 U CN 201420548451U CN 204188120 U CN204188120 U CN 204188120U
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Abstract
The utility model is the measurement mechanism of the installation of TC degree of depth under a kind of condition of high temperature, relate to electric instrument testing tool, solving in existing heat generator cannot the problem of the correct measurement the installation of TC degree of depth, this device is used in heat generator, it comprises: mobile jib, be the long straight-bar of stainless steel, be marked with rule at the mobile jib body of rod; Stretch rod is stainless steel straight-bar, and its one end is rotatably connected mutually by the side of stretch rod pin with mobile jib bottom, and on its medial surface, the A place, position of nearly pin central point is welded and fixed a projection; Pull bar is the long straight-bar of stainless steel, and its bottom is rotatably connected with the projection top pull bar pin of stretch rod; Positive stop is stainless steel rectangular blocks, is fixed on the lower position of the nearly bottom, this side of mobile jib that mobile jib is connected with stretch rod, and protrudes from the surface of mobile jib.This measurement mechanism can the at high temperature actual degree of depth that need install of correct measurement thermopair, guarantees the correctness of measurement parameter.
Description
Technical field
The utility model relates to electric instrument testing tool, refers in particular to the measurement mechanism of the installation of TC degree of depth under a kind of condition of high temperature.
Background technology
Heat generator is the equipment of preheated air, for cold air heating is sent into blast furnace again to 900 DEG C ~ 1350 DEG C, to improve rate of driving, reduces coke consumption.
At present, more employing be external combustion stove, namely firing chamber is independent of outside regenerator, and top is all arch, connecting pipe (i.e. vault liaison tube) between regenerator and top of combustion chamber is provided with expander, the differential expansion of regenerator and firing chamber can be absorbed.Require to meet the required energy savings of wind pushing temperature (up to more than 1300 DEG C) and guarantee device security, the temperature of Combustion of Hot Air Furnace must control within the specific limits, for this reason, heat generator vault liaison tube is provided with pyrometer couple for the control to temperature of combustion.
Due to the refractory brick of building by laying bricks or stones in vault liaison tube inevitably exist expansion and resistance to material come off, certain difference may be there is in this by causing the actual insertion depth of the thermopair of thermometric, thus cause thermometric deviation, likely actual temperature is on the low side, cause energy accumulation not enough, wind pushing temperature demand can not be met; Otherwise also likely actual temperature is too high, will cause bringing potential safety hazard to equipment.According to the actual fact, the thermocouple temperature measurement point of lower two different depths of the same terms, temperature difference reaches about 180 DEG C.So the installation of TC degree of depth is very important for thermometric correctness.
Heat generator is all run continuously under normal circumstances after going into operation, though in-furnace temperature during blast furnace periodical repair also at about 1000 degree, people can not enter inside and measure under the condition of production.Enter internal measurement heat generator to be stopped, and blowing out, blow-on all need according to certain cooling, heating curve through very long cool stove, baker program, be unfavorable for the control of production cost and heat generator long-lived.In order to ensure the accuracy of heat generator vault liaison tube temperature measuring data, some operating personnel manually estimate the installation of TC degree of depth with instruments such as iron wire, steel hooks at the scene, but due to the singularity of galvanic couple pore structure, (liaison tube domestic demand builds refractory brick by laying bricks or stones, the displacement between galvanic couple hole and box hat galvanic couple hole built by laying bricks or stones by the resistance to material caused for preventing rising-heat contracting-cold, generally, build resistance to material by laying bricks or stones galvanic couple hole and be built into ellipse), enter young, inner large, cannot satisfactory result be obtained all the time.Do not find at the measurement mechanism of the condition of high temperature from the externally measured the installation of TC degree of depth at present.If contactless radiation thermometer etc. is selected in temperature survey, although there is not the problem of fitting depth, this type of device measuring precision performance is relatively poor, cannot meet manufacturing technique requirent, irreplaceable thermopair.In order to measurement data accurately can be obtained, in the industry in the urgent need to this type of effective measurement mechanism.
Utility model content
The purpose of this utility model is to overcome prior art Problems existing, a kind of measurement mechanism that can tolerate the installation of TC degree of depth under the condition of high temperature of about 1000 degree high temperature is provided, this device is head, can withdraw from after completing measurement in thermocouple mounting hole.
The purpose of this utility model is achieved through the following technical solutions:
A measurement mechanism for the installation of TC degree of depth under the condition of high temperature, in heat generator, is characterized in that comprising:
Mobile jib, is the long straight-bar of stainless steel, is marked with rule at the mobile jib body of rod, and its length is 1800mm-2000mm, and width is 20-22mm;
Stretch rod is stainless steel straight-bar, and length is 180mm-200mm, and width is 32-38mm, and its one end is rotatably connected mutually by the side of stretch rod pin with mobile jib bottom; On the medial surface of stretch rod, the A place, position of distance stretch rod pin central point 20-23mm is welded and fixed a projection;
Pull bar is the long straight-bar of stainless steel, and its length is higher than the length of described mobile jib, and its width is 8-10mm, and its bottom is rotatably connected with the projection top pull bar pin of described stretch rod;
Positive stop is stainless steel rectangular blocks, is fixed on the lower position of the nearly bottom, this side of mobile jib that mobile jib is connected with stretch rod, and protrudes from the surface of mobile jib.
The long straight-bar of described stainless steel is round bar, and its width is rod diameter size.
The long straight-bar of described stainless steel is square bar, and its width is square bar Diagonal Dimension.
The height of described projection is 5-8mm.
The length of described pull bar is than the length height 10-20mm of described mobile jib.
Described positive stop protrudes from the distance of mobile jib surface 3-5mm.
The beneficial effects of the utility model:
Under the condition of high temperature of the present utility model, the measurement mechanism of the installation of TC degree of depth mainly in the case of a high temperature, the actual degree of depth that need install of energy correct measurement thermopair, make temperature measurement equipment correctly can be arranged on the position of energy reflect heat wind furnace combustion temperature time of day, guarantee the correctness of measurement parameter, for technology controlling and process and production safety provide reliable guarantee.
For further illustrating above-mentioned purpose of the present utility model, design feature and effect, below with reference to accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is thermocouple mounting hole structural representation in heat generator;
Fig. 2 is that measurement mechanism of the present utility model inserts the schematic diagram fathomed in heat generator;
Fig. 3 is measurement mechanism structural representation of the present utility model;
Fig. 4 is the constitutional diagram of measurement mechanism when measuring of Fig. 3.
Embodiment
Accompanying drawing below in conjunction with embodiment is described in detail to embodiment of the present utility model.
The measurement mechanism that the utility model provides is a movable mechanical detection instrument, and this instrument must can tolerate the high temperature of about 1000 degree.See Fig. 1, on heat generator 10, the diameter L1 of thermocouple mounting hole 11 is generally 42mm, therefore, the diameter of this instrument can not more than 40mm, to guarantee this instrument smoothly by the short tube of the installation of TC flange 12, and this instrument can stretch after stretching into liaison tube 14 inside, stretching angle is 90 degree, and spread length should be greater than the extreme displacement of resistance to material and box hat, as shown in Figure 1, this extreme displacement L2 is generally 180mm, must withdraw from after importantly completing measurement from mounting hole 11.
See Fig. 3-Fig. 4, under the utility model condition of high temperature, the measurement mechanism 3 of the installation of TC degree of depth comprises:
Mobile jib 31, is the long straight-bar of stainless steel, is marked with rule 311 at the mobile jib body of rod, and mobile jib length is 1800mm-2000mm, and width is that (if this long straight-bar is round bar, its width is rod diameter size to 20-22mm; If this long straight-bar is square bar, its width is square bar Diagonal Dimension);
Stretch rod 32 is stainless steel straight-bars, and length is 180mm-200mm, and width is 32-38mm, and its one end is rotatably connected mutually by the side of stretch rod pin 35 with mobile jib 31 bottom; On the medial surface of stretch rod 32, the A place, position of distance stretch rod pin 35 central point 20-23mm is welded and fixed a projection 36, and it is highly 5-8mm;
Pull bar 33 is the long straight-bars of stainless steel, and its length is than the length height 10-20mm of described mobile jib 31, and its width is that (if this long straight-bar is round bar, its width is rod diameter size to 8-10mm; If this long straight-bar is square bar, its width is square bar Diagonal Dimension); The bottom of pull bar 33 is rotatably connected with the projection 36 top pull bar pin of described stretch rod 32;
Positive stop 34 is stainless steel rectangular blocks, is fixed on the lower position of the nearly bottom, this side of mobile jib 31 that mobile jib 31 is connected with stretch rod 32, and protrudes from the distance (shown in Fig. 4) of the surperficial d of mobile jib 31, and d is 3-5mm; Due to the existence of d, this measurement mechanism, when not using state (state of Fig. 3), has a gap c (shown in Fig. 3) (this c and d is substantially equal) between mobile jib 31 with stretch rod 32; The distance three sum of the width of described mobile jib 31 and the width of stretch rod 32 and gap c is exactly the diameter of this measurement mechanism, and this diameter is less than the diameter 42mm (the present embodiment be can not more than 40mm) of thermocouple mounting hole 11.
The tram that the measuring junction of thermopair is installed should be the temperature the most accurate (general B point is 50mm apart from refractory brick 14) measured by the B point position stretching into the refractory brick 14 of building by laying bricks or stones close to vault liaison tube in liaison tube 13 as shown in Figure 1, because refractory brick exists expansion or resistance to material comes off in using, thermopair will be made to cause thermometric deviation, if when doubting the thermocouple measurements in heat generator 10, now need to reinstall thermopair, this measurement mechanism is exactly be used at high operating temperatures measuring the correct depth that need reinstall of thermopair.
Before using this measurement mechanism 3, first take out at the thermopair used in thermocouple mounting hole 11, then this measurement mechanism 3 shown in Fig. 3 is extend in thermocouple mounting hole 11 liaison tube 13 interior (as shown in Figure 2) of heat generator 10, confirm that its bottom enters after in liaison tube 13, the top of raising rod 33, along with the lifting of pull bar 33, stretch rod 32 with stretch rod pin 35 for fulcrum rotates up with the dotted arrow direction shown in Fig. 3, until stretch rod 32 encounters positive stop 34, it no longer rotates, now stretch rod 32 and mobile jib 31 form 90 degree of angles (shown in Fig. 4 state), then mobile jib 31 and pull bar 33 is promoted together, whether sensation stretch rod 32 touches refractory brick 14, when feeling that stretch rod 32 has touched refractory brick 14, write down the rod reading on mobile jib 31, these data add 50mm's and will be the position datas (the B point position in Fig. 1) reinstalling the thermopair degree of depth, then after this position data being carried out mark on thermopair, this thermopair is inserted the B point in Fig. 1.
Measure and terminate, when take out this measurement mechanism, only need loosen the lift to mobile jib 31 and pull bar 33.
Use in operation in reality, only raising rod need be used naturally to promote after stretching, need not exert oneself; The stretch rod 32 selected is stainless steel materials, and length only 180-200mm, there is sufficient intensity, therefore can elastic deformation be ignored.Experimental result is that repetitive error is not more than 5mm.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the purpose of this utility model is described, and be not used as restriction of the present utility model, as long as in essential scope of the present utility model, the change of the above embodiment, modification all will be dropped in the scope of claim of the present utility model.
Claims (6)
1. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature, in heat generator, is characterized in that comprising:
Mobile jib (31), be the long straight-bar of stainless steel, be marked with rule (311) at the mobile jib body of rod, its length is 1800mm-2000mm, and width is 20-22mm;
Stretch rod (32) is stainless steel straight-bar, and length is 180mm-200mm, and width is 32-38mm, and its one end is rotatably connected with the side of mobile jib (31) bottom mutually by stretch rod pin (35); On the medial surface of stretch rod (32), position (A) place of distance stretch rod pin (35) central point 20-23mm is welded and fixed a projection (36);
Pull bar (33), it is the long straight-bar of stainless steel, its length is higher than the length of described mobile jib (31), and its width is 8-10mm, and its bottom is rotatably connected with projection (36) the top pull bar pin of described stretch rod (32);
Positive stop (34), it is stainless steel rectangular blocks, be fixed on the lower position of the nearly bottom, mobile jib (31) this side that mobile jib (31) is connected with stretch rod (32), and protrude from the surface of mobile jib (31).
2. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature as claimed in claim 1, is characterized in that:
The long straight-bar of described stainless steel is round bar, and its width is rod diameter size.
3. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature as claimed in claim 1, is characterized in that:
The long straight-bar of described stainless steel is square bar, and its width is square bar Diagonal Dimension.
4. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature as claimed in claim 1, is characterized in that:
The height of described projection (36) is 5-8mm.
5. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature as claimed in claim 1, is characterized in that:
The length of described pull bar (33) is than the length height 10-20mm of described mobile jib (31).
6. the measurement mechanism of the installation of TC degree of depth under the condition of high temperature as claimed in claim 1, is characterized in that:
Described positive stop (34) protrudes from the distance of mobile jib (31) surperficial 3-5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420548451.4U CN204188120U (en) | 2014-09-23 | 2014-09-23 | The measurement mechanism of the installation of TC degree of depth under the condition of high temperature |
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| CN201420548451.4U CN204188120U (en) | 2014-09-23 | 2014-09-23 | The measurement mechanism of the installation of TC degree of depth under the condition of high temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247890A (en) * | 2016-09-29 | 2016-12-21 | 江苏理工学院 | A kind of collapsible brake pad thickness special measuring tool |
| CN106802123A (en) * | 2016-12-29 | 2017-06-06 | 潍柴动力股份有限公司 | A kind of device and method for measuring straight tube internal diameter |
| CN108489360A (en) * | 2018-04-11 | 2018-09-04 | 贵州新联爆破工程集团有限公司 | A kind of solution cavity information measurement apparatus and measurement method |
-
2014
- 2014-09-23 CN CN201420548451.4U patent/CN204188120U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247890A (en) * | 2016-09-29 | 2016-12-21 | 江苏理工学院 | A kind of collapsible brake pad thickness special measuring tool |
| CN106247890B (en) * | 2016-09-29 | 2019-06-11 | 江苏理工学院 | A kind of collapsible friction block thickness special measuring tool |
| CN106802123A (en) * | 2016-12-29 | 2017-06-06 | 潍柴动力股份有限公司 | A kind of device and method for measuring straight tube internal diameter |
| CN106802123B (en) * | 2016-12-29 | 2020-07-28 | 潍柴动力股份有限公司 | Device and method for measuring inner diameter of straight pipe |
| CN108489360A (en) * | 2018-04-11 | 2018-09-04 | 贵州新联爆破工程集团有限公司 | A kind of solution cavity information measurement apparatus and measurement method |
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