CN105954460B - A kind of calcination experimental machine and its experimental method - Google Patents
A kind of calcination experimental machine and its experimental method Download PDFInfo
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- CN105954460B CN105954460B CN201610392913.1A CN201610392913A CN105954460B CN 105954460 B CN105954460 B CN 105954460B CN 201610392913 A CN201610392913 A CN 201610392913A CN 105954460 B CN105954460 B CN 105954460B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The invention discloses a kind of calcination experimental machine, including frame, it is provided with the frame in heat-insulation and heat-preservation groove, heat-insulation and heat-preservation groove and is arranged with several metal bars in parallel, heater strip is provided with metal bar, crankwheel is installed, crankwheel is connected with the first motor, and crankwheel is connected with connecting rod by rocking bar in frame, slided in heat-insulation and heat-preservation groove and be provided with blessing mechanism, laboratory sample is fixed in blessing mechanism, is crimped with fixed mechanism above test specimen, connecting rod is connected with fixed mechanism.The invention also discloses a kind of experimental method of above-mentioned calcination experimental machine.The present invention can improve the deficiencies in the prior art, improve the result accuracy of calcination experiment.
Description
Technical field
The present invention relates to the anti-ignition test technical field of heat resistance conveyor belt, especially a kind of calcination experimental machine and its experiment
Method.
Background technology
In steelmaking equipment, the transmission belt of transmission high temperature sintering material needs the ability with good high temperature resistance calcination.It is existing
The experimental facilities for the anti-calcination performance of transmission belt having can not comprehensive simulated go out real use environment, the durability of transmission belt
The service condition deviation of experimental result and reality is larger.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of calcination experimental machine and its experimental method, existing skill can solve the problem that
The deficiency of art, improves the result accuracy of calcination experiment.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
Parallel in heat-insulation and heat-preservation groove, heat-insulation and heat-preservation groove set is provided with a kind of calcination experimental machine, including frame, the frame
It is equipped with several metal bars, metal bar and is provided with heater strip, crankwheel is installed in frame, crankwheel is connected with the first electricity
Machine, crankwheel is connected with to slide in connecting rod, heat-insulation and heat-preservation groove by rocking bar is provided with blessing mechanism, and laboratory sample is fixed on blessing
In mechanism, fixed mechanism is crimped with above test specimen, connecting rod is connected with fixed mechanism.
Preferably, the metal bar is movably arranged on heat-insulation and heat-preservation groove by bearing, metal bar is connected with the second electricity
Machine.
Preferably, the both sides for accommodating mechanism are respectively arranged with two fixtures, two fixtures of homonymy are slidably socketed
On connecting pole, the first spring body is connected between two fixtures of homonymy, the bottom of fixture is provided with flange.
Preferably, the fixed mechanism includes briquetting, the bottom of briquetting is provided with sucker, and sucker is mutual with laboratory sample
Absorption is fixed, and briquetting connects with pitman shaft.
A kind of experimental method of above-mentioned calcination experimental machine, comprises the following steps：
A, laboratory sample is fixed in blessing mechanism, and is fixedly connected with fixed mechanism, the first motor passes through crankwheel
Reciprocally swinging is carried out with rocking bar drivening rod, laboratory sample is produced on the surface of metal bar under the drive of fixed mechanism and back and forth rubbed
Wipe；
B, the temperature of metal bar is increased to 170~200 DEG C, keeps metal bar to stand, the rotating speed of crankwheel is maintained at 300
~500rad/min, carries out 3~5min of friction；
C, the temperature of metal bar is increased to 400~500 DEG C, the rotating speed of metal bar is maintained at 200~250rad/min, it is bent
The rotating speed of handle wheel is maintained at 700~800rad/min, carries out 7~10min of friction；
D, the temperature of metal bar is increased to 700~800 DEG C, the rotating speed of metal bar is maintained at 200~250rad/min, it is bent
The rotating speed of handle wheel is maintained at 700~800rad/min, carries out 7~10min of friction；
E, the temperature of metal bar is reduced to 200~250 DEG C, the rotating speed of metal bar is maintained at 500~600rad/min, it is bent
The rotating speed of handle wheel is maintained at 200~250rad/min, carries out 2~3min of friction.
Preferably, before step E is performed, the deadweight of fixed mechanism being added and is twice, step E is then performed.
The beneficial effect brought using above-mentioned technical proposal is：There is reciprocal movement friction the invention provides one kind
The experimental machine of structure.During sample reciprocating friction, the swing of connecting rod realizes the week of frictional force between sample and metal bar
Phase property changes, so as to be closer to the practical service environment of transmission belt, and can be conducive to producing in friction process it is broken
The timely exclusion of bits.Metal bar carries out active rotation in experimentation, can improve the friction effect for sample, this compared with
The mode of simple quickening crank wheel speed can not only greatly speed up evidence to friction velocity, and can utilize metal bar and song
The cooperation of two independent rotary systems of handle wheel, accurate adjustment is carried out to the stress in the sample friction cycle.Accommodating mechanism can protect
Whole sample is demonstrate,proved during by frictional force, its surface tension keeps basicly stable.To ensure that diverse location rubs on sample
Wipe the validity of result.Experimentation uses gradual friction process, can not only obtain the experiment at the end of whole experiment
Data, independent measurement can also be carried out between each step, to obtain the real-time status of sample under different conditions.Step E is adopted
Take pressurization, improve the experiment method of metal bar rotating speed, it is possible to reduce influence of the friction chip for final measurement.
Brief description of the drawings
Fig. 1 is the structure chart of an embodiment of the invention.
Fig. 2 is the structure chart of blessing mechanism in an embodiment of the invention.
Fig. 3 is the structure chart of fixed mechanism in an embodiment of the invention.
Fig. 4 is the structure chart of driven rod in an embodiment of the invention.
In figure：1st, frame；2nd, metal bar；3rd, heater strip；4th, heat-insulation and heat-preservation groove；5th, crankwheel；6th, the first motor；7th, shake
Bar；8th, connecting rod；9th, mechanism is accommodated；10th, test specimen；11st, fixed mechanism；12nd, the second motor；13rd, fixture；14th, connecting pole；
15th, the first spring body；16th, flange；17th, briquetting；18th, sucker；19th, balancing weight；20th, second spring body；21st, driven rod；22nd, hinder
Buddhist nun's block；23rd, cylinder；24th, main scraping article；25th, groove；26th, secondary scraping article.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and accompanying drawing
Record can carry out customized, and the specific connected mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional meanses such as connect, paste, will not be described in detail herein.
Reference picture 1-4, the specific embodiment of the present invention includes being provided with heat-insulation and heat-preservation in frame 1, the frame 1
It is arranged with parallel in groove 4, heat-insulation and heat-preservation groove 4 in several metal bars 2, metal bar 2 and is provided with heater strip 3, is provided with frame 1
Crankwheel 5, crankwheel 5 is connected with the first motor 6, and crankwheel 5 is connected with connecting rod 8, heat-insulation and heat-preservation groove 4 by rocking bar 7 and slided
Blessing mechanism 9 is provided with, laboratory sample 10 is fixed in blessing mechanism 9, and the top of test specimen 10 is crimped with fixed mechanism 11, even
Bar 8 is connected with fixed mechanism 11.Metal bar 2 is movably arranged on heat-insulation and heat-preservation groove 4 by bearing, and metal bar 2 is connected with second
Motor 12.The both sides for accommodating mechanism 9 are respectively arranged with two fixtures 13, and two fixtures 13 of homonymy are slidably socketed in connecting pole 14
On, the first spring body 15 is connected between two fixtures 13 of homonymy, the bottom of fixture 13 is provided with flange 16.Fixed mechanism 11
Including briquetting 17, the bottom of briquetting 17 is provided with sucker 18, and sucker 18 and the mutually absorption of laboratory sample 10 are fixed, and briquetting 17 is with connecting
The axle of bar 8 connects.Balancing weight 19 is connected with by second spring body 20 on briquetting 17.Between two adjacent metal bars 2, it is provided with
Driven rod 21, driven rod 21 is provided at both ends with damping block 22, and damping block 22 is connected with cylinder 23.The surface of driven rod 21 is uniform
Several main scraping articles 24 are provided with, the lower section of main scraping article 24 is set is provided with secondary scraping article 26 on fluted 25, main scraping article 24, and pair is scraped
The axis angle of bar 26 and main scraping article 24 is 17 °.
A kind of experimental method of above-mentioned calcination experimental machine, comprises the following steps：
A, laboratory sample 10 is fixed in blessing mechanism 9, and is fixedly connected with fixed mechanism 11, the first motor 6 passes through
Crankwheel 5 and the drivening rod 8 of rocking bar 7 carry out reciprocally swinging, and laboratory sample 10 is under the drive of fixed mechanism 11 in metal bar 2
Surface produces reciprocating friction；
B, the temperature of metal bar 2 is increased to 190 DEG C, keeps metal bar 2 to stand, the rotating speed of crankwheel 5 is maintained at
450rad/min, carries out friction 4.5min；
C, the temperature of metal bar 2 is increased to 420 DEG C, the rotating speed of metal bar 2 is maintained at 220rad/min, crankwheel 5
Rotating speed is maintained at 780rad/min, carries out friction 9min；
D, the temperature of metal bar 2 is increased to 770 DEG C, the rotating speed of metal bar 2 is maintained at 240rad/min, crankwheel 5
Rotating speed is maintained at 750rad/min, carries out friction 8min；
E, the temperature of metal bar 2 is reduced to 220 DEG C, the rotating speed of metal bar 2 is maintained at 550rad/min, crankwheel 5
Rotating speed is maintained at 250rad/min, carries out friction 2min.
Before step E is performed, the deadweight of fixed mechanism is added and is twice, then perform step E.Deadweight is increased by changing
Corresponding balancing weight 19 is realized.Second spring body 20 can make the release of the inertial pressure of balancing weight 19 produce certain delay, from
And the swing of coupler link, realize the uniform release of frictional force in step E.
In step B, D and E, damping block 22 is crimped on driven rod 21 using cylinder 23, crimp force and crankwheel 5
Rotating speed is directly proportional.In step C, damping block 22 is set to depart from driven rod 21.Driven rod 21 can effectively reduce sample and friction portion
The invalid slip and spring of position, further improve experiment effect.
The present invention can carry out effective calcination to sample and test, and experimental result referential is strong.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of calcination experimental machine, including frame (1), it is characterised in that：Heat-insulation and heat-preservation groove (4) is provided with the frame (1),
It is arranged with parallel in several metal bars (2), metal bar (2) and is provided with heater strip (3), frame (1) in heat-insulation and heat-preservation groove (4)
Crankwheel (5) is installed, crankwheel (5) is connected with the first motor (6), and crankwheel (5) is connected with connecting rod (8) by rocking bar (7),
Slided in heat-insulation and heat-preservation groove (4) and be provided with blessing mechanism (9), laboratory sample (10) is fixed in blessing mechanism (9), test specimen
(10) top is crimped with fixed mechanism (11), and connecting rod (8) is connected with fixed mechanism (11).
2. calcination experimental machine according to claim 1, it is characterised in that：The metal bar (2) is installed by bearing activity
On heat-insulation and heat-preservation groove (4), metal bar (2) is connected with the second motor (12).
3. calcination experimental machine according to claim 1, it is characterised in that：The both sides for accommodating mechanism (9) are set respectively
Have two fixtures (13), two fixtures (13) of homonymy are slidably socketed on connecting pole (14), two fixtures (13) of homonymy it
Between be connected with the first spring body (15), the bottom of fixture (13) is provided with flange (16).
4. calcination experimental machine according to claim 1, it is characterised in that：The fixed mechanism (11) includes briquetting (17),
The bottom of briquetting (17) is provided with sucker (18), and sucker (18) and laboratory sample (10) mutually absorption are fixed, and briquetting (17) is with connecting
Bar (8) axle connects.
5. the experimental method of the calcination experimental machine described in a kind of the claims 1~4, it is characterised in that comprise the following steps：
A, laboratory sample (10) is fixed in blessing mechanism (9), and is fixedly connected with fixed mechanism (11), the first motor (6)
Reciprocally swinging, band of the laboratory sample (10) in fixed mechanism (11) are carried out by crankwheel (5) and rocking bar (7) drivening rod (8)
Under dynamic reciprocating friction is produced on the surface of metal bar (2)；
B, the temperature of metal bar (2) is increased to 170~200 DEG C, keeps metal bar (2) to stand, the rotating speed of crankwheel (5) is kept
In 300~500rad/min, 3~5min of friction is carried out；
C, the temperature of metal bar (2) is increased to 400~500 DEG C, the rotating speed of metal bar (2) is maintained at 200~250rad/min,
The rotating speed of crankwheel (5) is maintained at 700~800rad/min, carries out 7~10min of friction；
D, the temperature of metal bar (2) is increased to 700~800 DEG C, the rotating speed of metal bar (2) is maintained at 200~250rad/min,
The rotating speed of crankwheel (5) is maintained at 700~800rad/min, carries out 7~10min of friction；
E, the temperature of metal bar (2) is reduced to 200~250 DEG C, the rotating speed of metal bar (2) is maintained at 500~600rad/min,
The rotating speed of crankwheel (5) is maintained at 200~250rad/min, carries out 2~3min of friction.
6. the experimental method of calcination experimental machine according to claim 5, it is characterised in that：Before step E is performed, by fixation
The deadweight of mechanism (11), which adds, to be twice, and then performs step E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392913.1A CN105954460B (en) | 2016-06-06 | 2016-06-06 | A kind of calcination experimental machine and its experimental method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392913.1A CN105954460B (en) | 2016-06-06 | 2016-06-06 | A kind of calcination experimental machine and its experimental method |
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| Publication Number | Publication Date |
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| CN105954460A CN105954460A (en) | 2016-09-21 |
| CN105954460B true CN105954460B (en) | 2017-10-27 |
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| CN201610392913.1A Active CN105954460B (en) | 2016-06-06 | 2016-06-06 | A kind of calcination experimental machine and its experimental method |
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| CN110261073A (en) * | 2019-06-10 | 2019-09-20 | 必亚检测技术(上海)有限公司 | A kind of simulated solar irradiation focuses the test method of calcination |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100494967C (en) * | 2005-12-31 | 2009-06-03 | 大连海事大学 | Reciprocating high-temperature high-load friction wear test method and apparatus |
| JP5187253B2 (en) * | 2009-03-27 | 2013-04-24 | 横浜ゴム株式会社 | Evaluation method of heat resistance of conveyor belt |
| CN101581647B (en) * | 2009-04-16 | 2010-12-08 | 济南益华摩擦学测试技术有限公司 | High-frequency reciprocating fatigue, friction and wear tester |
| CN202330199U (en) * | 2011-11-11 | 2012-07-11 | 上海交通大学 | Frictional wear tester for realizing rotation and reciprocating motion by using crankshaft and connecting rod mechanism |
| CN104964998B (en) * | 2015-07-08 | 2017-07-18 | 山东祥通橡塑集团有限公司 | Burning-resistant conveyor belt is resistance to burn experimental method |
| CN104990822B (en) * | 2015-07-17 | 2018-07-06 | 合肥波林复合材料有限公司 | A kind of reciprocating friction abrasion tester |
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