CN106289759B - A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain - Google Patents
A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain Download PDFInfo
- Publication number
- CN106289759B CN106289759B CN201610566788.1A CN201610566788A CN106289759B CN 106289759 B CN106289759 B CN 106289759B CN 201610566788 A CN201610566788 A CN 201610566788A CN 106289759 B CN106289759 B CN 106289759B
- Authority
- CN
- China
- Prior art keywords
- link chain
- round
- intermediate channel
- simulation
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 38
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 98
- 230000035939 shock Effects 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005518 electrochemistry Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002817 coal dust Substances 0.000 claims description 3
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 7
- 238000005065 mining Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229940075397 calomel Drugs 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of the fretting corrosion fatigue experimental devices and method of heavily loaded drag conveyor round-link chain, comprise the following modules：Simulated loading system applies dynamic tension and shock loading by electric cylinder and shock plate to round-link chain；Simulation heating system is intended case to middle part channel mould by fan and PCT electric heaters and is internally heated；Simulate friction system drives the sliding of intermediate channel simulation box to apply frictional force to round-link chain by electric cylinder；Simulation etching system is realized by the way that corrosive medium is added in intermediate channel simulation box；Monitoring system realizes that dynamic tension, frictional force, shock loading, temperature, corrosion wear rate and the fatigue life of round-link chain monitor by plate hoop tensile force sensor, three-dimensional force sensor, temperature sensor, temperature control box, auxiliary electrode, working electrode, reference electrode and electrochemical workstation, it is easy to operate, and measurement result is comprehensively reliable, has important directive significance to the safe and reliable operation of heavily loaded drag conveyor round-link chain in complicated running environment.
Description
Technical field
The present invention relates to mining industry technical fields, and in particular to a kind of fretting corrosion fatigue of heavy duty drag conveyor round-link chain
Experimental rig and method.
Background technology
Fully mechanized mining technology is current state-of-the-art mining Technology Underground, and drag conveyor is crucial one of fully-mechanized mining equipment,
It not only plays Coal Transport effect, while being also the running track of coalcutter.With the continuous development of fully mechanized mining technology, Yi Jikuang
Enlargement and the deep layer of well, drag conveyor constantly develop to high-power, long haul distance and high chain speed direction, i.e., heavily loaded scraper plate
Conveyer.Once heavily loaded drag conveyor will lead to the halt production of coal working face, and then lead to large coal mine because of malfunction and failure
Heavy economic losses.
As the important component of drag conveyor haulage gear, round-link chain is under dynamic load and shock loading operating mode,
Chaindriven polygon effect causes chain speed to change, and then leads to dynamic loading caused by inertia；In drag conveyor operational process
Loads variation (unloaded, fully loaded or overload) can also cause the dynamic loading on round-link chain；Coal cinder is fallen in round-link chain during coal mining
On, lead to the shock loading or card chain of round-link chain, these all will cause round-link chain to bear dynamic loading and shock loading.Dynamic loading
Effect leads to the alternating nature of the tight chain of round-link chain, loose chain, and flat ring-is caused to stand the fretting wear of interannular；Round-link chain is in intermediate channel
During conveying material, three-body-abrasion is formed between round-link chain and coal dust, intermediate channel three；Because of dynamic load between annulus chain and sprocket
Friction and wear characteristic, therefore the dynamic loading of alternation and shock loading and the collective effect of fretting wear also occur for characteristic, can lead
Cause the fatigue under scrubbing damage of round-link chain.With the increase of mine depth, especially when well depth reaches km rank, heavily loaded scraper plate
Conveyer would operate under hot environment, in intermediate channel there is ponding mixed with coal and the mine gas being dissolved in water
Object will generate electrochemical corrosion to round-link chain, aggravate the abrasion of round-link chain.Therefore, heavily loaded drag conveyor round-link chain rubs
Corrosion fatigue phenomenon can cause round-link chain to be broken when serious.According to statistics, 41.5% drag conveyor shutdown is due to round-link chain
Caused by chain rupture.Therefore, deep-well heavy duty drag conveyor annulus under high-temperature corrosion environment, dynamic load and shock loading operating mode is studied
The great significance for design of the corrosion wear rate of chain and fatigue life to heavily loaded drag conveyor.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of heavily loaded drag conveyor circle
It is rotten to simulate friction of the heavily loaded drag conveyor round-link chain under working environment for the fretting corrosion fatigue experimental device and method of loop chain
Lose fatigue behaviour, while dynamic tension on dynamic monitoring round-link chain, frictional force, shock loading, temperature, corrosion wear rate and tired
In the labor service life, so as to solve the deficiencies in the prior art, easy to operate, measurement result is comprehensively reliable.
Technical solution：To achieve the above object, the technical solution adopted by the present invention is：
A kind of fretting corrosion fatigue experimental device of heavy duty drag conveyor round-link chain, including pedestal, simulated loading system,
Simulation heating system, simulation friction system, simulation etching system, monitoring system；
Wherein, the pedestal includes pedestal, three short columns, four support posts, two crossbeams, support platforms；Wherein
Three short columns are respectively the first short column, the second short column, the short column of third, wherein the first short column, the second short column point
It is not fixed on the both ends of pedestal, the short column of third is fixed on the middle part of pedestal；Four support posts are fixed on the base, rectangular
Arrangement, four support posts are respectively the vertex of the rectangle；Two crossbeams are fixed on four support post upper ends and form rectangle
Two long sides, support platform are fixed on two crossbeams；
The simulated loading system includes simulation fatigue load loaded system and simulation shock loading loading system；
Simulate fatigue load loaded system include the first electric cylinder, two plate hoop tensile force sensors, U-bolt, two it is straight
Bar suspension hook and round-link chain, wherein U-bolt are fixed on the second short column, and the first electric cylinder is fixed on the first short column, and
It is connect with a plate hoop tensile force sensor by connection ring, another plate hoop tensile force sensor passes through connection ring and U-bolt phase
Even, the both ends of round-link chain are connected with two plate hoop tensile force sensors respectively by two straight-bar suspension hooks；
It includes the second electric cylinder and shock plate to simulate shock loading loading system, is put down wherein the second electric cylinder is fixed on support
On platform, intermediate channel simulation box is provided with below the second electric cylinder, round-link chain runs through entire intermediate channel simulation box, and annulus from both sides
The contacts baseplate of chain and intermediate channel simulation box；The piston rod of second electric cylinder stretches into intermediate channel simulation box, and impact plate level is solid
Be scheduled on the piston rod end of the second electric cylinder, the bottom surface of shock plate is contacted with round-link chain, by shock plate to round-link chain apply to
Under shock loading；
The simulation heating system includes two U-shaped steels, two fans, two PTC electric heaters, temperature sensor and temperature
Case is controlled, Open Side Down respectively is buckled in top and the fixation of intermediate channel simulation box for two of which U-shaped steel, and is stayed between two U-shaped steels
It has vacant position；Square hole is equipped in the middle part of two U-shaped steels, two fans are individually fixed at the square hole in two U-shaped steels, two PTC electricity
Heater is individually fixed on two fans, and the air after heating is made to enter in intermediate channel simulation box；Temperature sensor is fixed on
On the inner wall of intermediate channel simulation box, PTC electric heater and temperature sensor are connected by electric wire with temperature control box, and closed-loop control is passed through
Simulate the high-temperature work environment of round-link chain；
The simulation friction system includes two closed slides being fixed on the base, two cunnings compatible with guide rail
Block, support plate, four three-dimensional force sensors, intermediate channel simulation box and third electric cylinder, wherein support plate are fixed on two sliding blocks
On, the bottom of intermediate channel simulation box with four three-dimensional force sensors by being connected and fixed on the supporting plate；Third electric cylinder is solid
It is scheduled on the short column of third, the piston rod end of third electric cylinder is connected with support plate, to movable slider, support plate and middle part
Slot simulation box is slided along the one of guide rail；
The corrosive medium that the simulation etching system includes rubber sealing device and is placed in intermediate channel simulation box, wherein rotten
The liquid level for losing medium is less than temperature sensor, and the opening inside intermediate channel simulation box is arranged in rubber sealing device；Intermediate channel
The bottom plate of simulation box and the corrosive medium in intermediate channel simulation box form three body frictions with round-link chain；
The monitoring system includes two plate hoop tensile force sensors, four three-dimensional force sensors, temperature sensor, temperature controls
Case, auxiliary electrode, working electrode, reference electrode, electrochemical workstation and computer memory device, wherein reference electrode are saturation
Calomel electrode is placed in outside corrosive medium；Auxiliary electrode is to be placed in corrosive medium with the sheet metal of material with intermediate channel simulation box
In；Working electrode is the round-link chain being placed in corrosive medium, and auxiliary electrode, working electrode, reference electrode pass through conducting wire and electricity
Chem workstation is connected；Two plate hoop tensile force sensors, four three-dimensional force sensors, temperature control box and electrochemical workstation pass through number
Measured value is transferred on computer memory device according to line.
Further, the shock plate bottom in the simulation shock loading loading system is fluted, to prevent round-link chain
Deviate original position under impact loading.
Further, to prevent other component and round-link chain non-working surface to be corroded, described two straight-bar suspension hooks surface, punching
Hit plate surface, temperature sensor surface, intermediate channel simulation chamber interior wall be coated with corrosion-resistant glue.
Further, the pedestal includes clothes closet, and clothes closet is set on pedestal and is placed with temperature control box, electrochemistry on clothes closet
Work station.
Further, the simulation heating system includes two cover boards, and two cover boards cover the both ends of intermediate channel simulation box,
And be connected with intermediate channel simulation box by hinge, for being kept the temperature to intermediate channel simulation box.
Further, the corrosive medium is coal dust and electrolyte corrosion solution mixture.
A kind of fretting corrosion fatigue test method of heavy duty drag conveyor round-link chain, includes the following steps：
(a) corrosive medium is added in intermediate channel simulation box；
(b) PTC electric heater and fan are opened, the cover board above intermediate channel simulation box is closed, middle part channel mould is intended in case
Portion is heated, while starting temperature control box, and intermediate channel simulation box internal temperature is made to keep constant；
(c) piston rod of the first electric cylinder is shunk in control simulation fatigue load loaded system, is applied to round-link chain and is pre-tightened
Power stops piston rod contraction when the registration on the plate hoop tensile force sensor at round-link chain both ends reaches initial set value；Then lead to
It crosses computer and controls the flexible of the first electric cylinder, realize the application of dynamic tension on round-link chain；
(d) by after four three-dimensional force sensors zeroing below intermediate channel simulation box, start the in simulation friction system
Three electric cylinders push intermediate channel simulation box to do reciprocating linear motion by setting speed；Simulation shock loading is controlled by computer
The second electric cylinder in loading system applies shock loading by shock plate to round-link chain；
(e) by recording the registration value on two plate hoop tensile force sensors, the dynamic tension monitoring on round-link chain is realized；Pass through
The registration value on four three-dimensional force sensors is recorded, realizes the frictional force on round-link chain and shock loading monitoring；Utilize electrification
After work station measures interelectrode current density or electrode potential, the electrochemistry that round-link chain is calculated by related software is rotten
Rate is lost, to realize the monitoring of round-link chain corrosion wear rate；By temperature sensor and temperature control box, realize to intermediate channel
Monitoring temperature in simulation box；The first electric cylinder, the second electric cylinder, third electric cylinder are to annulus when by recording round-link chain chain rupture
The dynamic load of chain loads number, realizes the fatigue life monitoring of round-link chain.
Change the push-and-pull speed, the size of electric cylinder loading force and each component density of frequency, corrosive medium, temperature control of electric cylinder
Temperature set by case can realize the different speeds of service, different dynamic loads, different impact, differentiated friction etching condition and difference
Round-link chain fretting corrosion fatigue monitoring under temperature case.
Advantageous effect：It is provided by the invention to realize a kind of fretting corrosion fatigue test dress of heavily loaded drag conveyor round-link chain
It sets and method can simulate fretting corrosion fatigue behaviour of the heavily loaded drag conveyor round-link chain under working environment, while dynamic is supervised
Dynamic tension, frictional force, shock loading, temperature, corrosion wear rate and the fatigue life on round-link chain are surveyed, to realize that heavy duty is scraped
The quantitatively characterizing of plate conveyer round-link chain fretting corrosion fatigue damage and life prediction, it is defeated to heavily loaded scraper plate in complicated running environment
Send the safe and reliable operation of machine round-link chain that there is important directive significance.The present invention solves the deficiencies in the prior art, operation side
Just, and intuitive measurement results, comprehensively, it is reliable.
Description of the drawings
Fig. 1 is that a kind of front view structure of the fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain of the present invention is shown
It is intended to；
Fig. 2 is a kind of sections A-A of the fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain of the present invention
Figure；
Fig. 3 is a kind of B-B-section of the fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain of the present invention
Figure；
Fig. 4 is the middle part channel mould in a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain of the present invention
Quasi- case vertical view；
Figure includes：1, pedestal, the 2, first short column, the 3, second short column, 4, support post, 5, crossbeam, the 6, second electricity
Dynamic cylinder, 7, U-bolt, 8, clothes closet, 9, plate hoop tensile force sensor, 10, straight-bar suspension hook, the 11, second electric cylinder, 12, shock plate,
13, PTC electric heater, 14, fan, 15, the short column of third, 16, third electric cylinder, 17, guide rail, 18, sliding block, 19, intermediate channel
Simulation box, 20, hinge, 21, electrochemical workstation, 22, temperature control box, 23, round-link chain, 24, support plate, 25, three-dimensional force sensor,
26, rubber sealing device, 27, support platform, 28, temperature sensor, 29, corrosive medium, 30, auxiliary electrode, 31, work electricity
Pole, 32, reference electrode, 33, U-shaped steel, 34, cover board, 35, unwrapping wire hole
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
It is a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain, including pedestal, mould as shown in Figure 1
Quasi- loading system, simulation heating system, simulation friction system, simulation etching system, monitoring system；
Wherein, the pedestal includes 1, three short column of pedestal, four support posts 4, two crossbeams 5, support platforms 27
And clothes closet 8；Wherein three short columns are respectively the first short column 2, the second short column 3, the short column 15 of third, wherein first is short vertical
Column 2, the second short column 3 are separately fixed at the both ends of pedestal 1, and the short column of third 15 is fixed on the middle part of pedestal 1；Four supports are vertical
Column 4 is fixed on pedestal 1, rectangular arrangement, and four support posts 4 are respectively the vertex of the rectangle；Two crossbeams 5 pass through bolt
Two long sides that rectangle is formed on four support posts 4 are fixed on, support platform 27 is secured by bolts on crossbeam 5, clothes closet 8
It is placed on pedestal 1, and is placed with temperature control box 22 and electrochemical workstation 21 on clothes closet 8.
The simulated loading system includes simulation fatigue load loaded system and simulation shock loading loading system；
It includes 6, two plate hoop tensile force sensors 9 of the first electric cylinder, U-bolt 7, two to simulate fatigue load loaded system
Straight-bar suspension hook 10 and round-link chain 23, wherein U-bolt 7 are fixed on the second short column 3, and it is short that the first electric cylinder 6 is fixed on first
It on column 2, and is connect with a plate hoop tensile force sensor 9 by connection ring, another plate hoop tensile force sensor 9 passes through connection ring
It is connected with U-bolt 7, the both ends of round-link chain 23 are connected with two plate hoop tensile force sensors 9 respectively by two straight-bar suspension hooks 10；
It includes the second electric cylinder 11 and shock plate 12 to simulate shock loading loading system, wherein the second electric cylinder 11 passes through spiral shell
Bolt is fixed in support platform 27, and 11 lower section of the second electric cylinder is provided with intermediate channel simulation box 19, and round-link chain 23 runs through from both sides
Entire intermediate channel simulation box 19, and the contacts baseplate of round-link chain 23 and intermediate channel simulation box 19；The piston rod of second electric cylinder 11
It stretches into intermediate channel simulation box 19, shock plate 12 is horizontally fixed on the piston rod end of the second electric cylinder 11, the bottom of shock plate 12
Face is contacted with round-link chain 23；12 bottom of shock plate in the simulation shock loading loading system is fluted.
As shown in figure 4, the simulation heating system includes two 14, two, fan PTC electric heaters of U-shaped steel 33, two
13, temperature sensor 28, temperature control box 22 and two cover boards 34, two of which U-shaped steel 33 Open Side Down respectively be buckled in middle part channel mould
The top of quasi- case 29 is simultaneously bolted, and there are vacancy between two U-shaped steels 33；Two 33 middle parts of U-shaped steel are equipped with square hole,
Two fans 14 are individually fixed in by screw at the square hole of two U-shaped steels 33, and two PTC electric heaters 13 are distinguished by screw
It is fixed on two fans 14；Temperature sensor 28 is fixed on the inner wall of intermediate channel simulation box 19, PTC electric heater 13 and temperature
Degree sensor 28 is connected by electric wire with temperature control box 22；Two cover boards 34 cover the both ends of intermediate channel simulation box 19 and pass through hinge
20 are connected with intermediate channel simulation box 19.
As shown in Fig. 2, the simulation friction system includes two closed slides being fixed on the base 17, two and guide rail
17 matched sliding blocks 18,24, four three-dimensional force sensors 25 of support plate, intermediate channel simulation box 19 and third electric cylinder 16,
Middle support plate 24 by being fastened on sliding block 18 with angle steel, the bottom of intermediate channel simulation box 19 by with four three-dimensional forces
Sensor 25 is fastened in support plate 24；Third electric cylinder 16 is fixed on the short column of third 15, third electric cylinder 16
Piston rod end be connected with support plate 24 by angle steel.
As shown in figure 3, the simulation etching system includes rubber sealing device 26 and is placed in intermediate channel simulation box 19
The opening inside intermediate channel simulation box 19 is arranged in corrosive medium 29, wherein rubber sealing device 26, and corrosive medium 29 is coal
The liquid level of powder and electrolyte corrosion solution mixture, corrosive medium 29 is less than temperature sensor 28；Described two straight-bar suspension hooks 10
Surface, 12 surface of shock plate, 28 surface of temperature sensor, 19 inner wall of intermediate channel simulation box are coated with corrosion-resistant glue.
The monitoring system include two plate hoop tensile force sensors, 9, four three-dimensional force sensors 25, temperature sensor 28,
Temperature control box 22, auxiliary electrode 30, working electrode 31, reference electrode 32, electrochemical workstation 21 and computer memory device, wherein
Reference electrode 32 is saturated calomel electrode, is placed in outside corrosive medium 29；Auxiliary electrode 30 be and the same material of intermediate channel simulation box
Sheet metal, be placed in corrosive medium 29；Working electrode 31 is round-link chain 23 in corrosive medium, and auxiliary electrode 30,
Working electrode 31, reference electrode 32 are connected by conducting wire with electrochemical workstation 21；Two plate hoop tensile force sensors 9, four three
Measured value is transferred to computer memory device by dimensional force sensor 25, temperature control box 22 and electrochemical workstation 21 by data line
On；Temperature sensor 28, temperature control box 22, auxiliary electrode 30 and working electrode 31 electric wire pass through the unwrapping wire hole on a side cover plate 34
35 are put into intermediate channel simulation box 19.
A kind of fretting corrosion fatigue test method of heavy duty drag conveyor round-link chain, includes the following steps：
(a) corrosive medium 29 is added in intermediate channel simulation box 19；
(b) PTC electric heater 13 and fan 14 are opened, the cover board 34 of 19 top of intermediate channel simulation box is closed, to intermediate channel
Simulation box 19 is internally heated, while starting temperature control box 22 and temperature sensor 28, makes 19 internal temperature of intermediate channel simulation box
It keeps constant；
(c) piston rod of the first electric cylinder 6 is shunk in control simulation fatigue load loaded system, is applied to round-link chain 23 pre-
Clamp force stops piston rod contraction when the registration on the plate hoop tensile force sensor 9 at 23 both ends of round-link chain reaches initial set value；So
The flexible of the first electric cylinder 6 is controlled by computer afterwards, realizes the application of dynamic tension on round-link chain 23；
(d) by after four three-dimensional force sensors 25 zeroing of 19 lower section of intermediate channel simulation box, start in simulation friction system
Third electric cylinder 16, push intermediate channel simulation box 19 to do reciprocating linear motion by setting speed；It is controlled and is simulated by computer
The second electric cylinder 11 in shock loading loading system applies shock loading by shock plate 12 to round-link chain 23；
(e) by recording the registration value on two plate hoop tensile force sensors 9, the dynamic tension monitoring on round-link chain 23 is realized；
By recording the registration value on four three-dimensional force sensors 25, the frictional force on round-link chain 23 and shock loading monitoring are realized；
After measuring interelectrode current density or electrode potential using electrochemical workstation 21, round-link chain is calculated by related software
23 Electrochemical corrosion rate, to realize the monitoring of 23 corrosion wear rate of round-link chain；Pass through temperature sensor 28 and temperature
Case 22 is controlled, realizes the monitoring temperature intended middle part channel mould in case 19；First electric cylinder 6, the when by recording 23 chain rupture of round-link chain
Two electric cylinders 11, third electric cylinder 16 load number to the dynamic load of round-link chain 23, realize the fatigue life monitoring of round-link chain 23.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of fretting corrosion fatigue experimental device of heavy duty drag conveyor round-link chain, which is characterized in that including pedestal, simulation
Loading system, simulation heating system, simulation friction system, simulation etching system, monitoring system；
Wherein, the pedestal includes pedestal (1), three short columns, four support posts (4), two crossbeams (5), support platforms
(27)；Wherein three short columns are respectively the first short column (2), the second short column (3) and the short column of third (15), and first is short vertical
Column (2), the second short column (3) are fixed on the both ends of pedestal (1), and the short column of third (15) is fixed on the middle part of pedestal (1)；Four
Support post (4) is fixed on pedestal (1), rectangular arrangement, and four support posts (4) are respectively the vertex of the rectangle；Two
Crossbeam (5) is fixed on two long sides that four support post (4) upper ends form rectangle, and support platform (27) is fixed on two crossbeams
(5) on；
The simulated loading system includes simulation fatigue load loaded system and simulation shock loading loading system；
It includes the first electric cylinder (6), two plate hoop tensile force sensors (9), U-bolt (7), circle to simulate fatigue load loaded system
Loop chain (23) and two straight-bar suspension hooks (10), wherein U-bolt (7) are fixed on the second short column (3)；First electric cylinder (6)
It is fixed on the first short column (2), and is connect with a plate hoop tensile force sensor (9) by connection ring, another plate hoop tensile force
Sensor (9) is connected by connection ring with U-bolt (7), and the both ends of round-link chain (23) pass through two straight-bar suspension hooks (10) difference
It is connected with two plate hoop tensile force sensors (9)；
It includes the second electric cylinder (11) and shock plate (12) to simulate shock loading loading system, wherein the second electric cylinder (11) is fixed
In support platform (27), it is provided with intermediate channel simulation box (19) below the second electric cylinder (11), round-link chain (23) is passed through from both sides
Wear entire intermediate channel simulation box (19), and the contacts baseplate of round-link chain (23) and intermediate channel simulation box (19)；Second electric cylinder
(11) piston rod stretches into intermediate channel simulation box (19), and shock plate (12) is horizontally fixed on the piston rod of the second electric cylinder (11)
The bottom surface of end, shock plate (12) is contacted with round-link chain (23)；
The simulation heating system includes two U-shaped steels (33), two fans (14), two PTC electric heaters (13), temperature biography
Sensor (28), temperature control box (22), Open Side Down is buckled in the top of intermediate channel simulation box (19) and solid for two of which U-shaped steel (33)
It is fixed, and there are vacancy between two U-shaped steels (33)；Square hole is equipped in the middle part of two U-shaped steels (33), two fans (14) are fixed respectively
At the square hole on two U-shaped steels (33), two PTC electric heaters (13) are individually fixed on two fans (14)；Temperature passes
Sensor (28) is fixed on the inner wall of intermediate channel simulation box (19), and PTC electric heater (13) and temperature sensor (28) pass through electricity
Line is connected with temperature control box (22)；
The simulation friction system include two closed slides being fixed on the base (17), two it is compatible with guide rail (17)
Sliding block (18), support plate (24), four three-dimensional force sensors (25), intermediate channel simulation box (19) and third electric cylinder (16),
Middle support plate (24) is fixed on sliding block (18), the bottom of intermediate channel simulation box (19) by with four three-dimensional force sensors (25)
Be fastened in support plate (24)；Third electric cylinder (16) is fixed on the short column of third (15), third electric cylinder (16)
Piston rod end be connected with support plate (24)；
The corrosive medium that the simulation etching system includes rubber sealing device (26) and is placed in intermediate channel simulation box (19)
(29), the opening that wherein rubber sealing device (26) is arranged in intermediate channel simulation box (19), the liquid level of corrosive medium (29)
Less than temperature sensor (28)；
The monitoring system includes two plate hoop tensile force sensors (9), four three-dimensional force sensors (25), temperature sensors
(28), temperature control box (22), auxiliary electrode (30), working electrode (31), reference electrode (32), electrochemical workstation (21) and calculating
Machine storage device, wherein reference electrode (32) are saturated calomel electrode, and it is external to be placed in corrosive medium (29)；Auxiliary electrode (30) is
With intermediate channel simulation box (19) with the sheet metal of material, it is placed in corrosive medium (29)；Working electrode (31) is to be placed in corrosion to be situated between
Round-link chain (23) in matter (29), and auxiliary electrode (30), working electrode (31), reference electrode (32) pass through conducting wire and electrochemistry
Work station (21) is connected；Two plate hoop tensile force sensors (9), four three-dimensional force sensors (25), temperature control box (22) and electrochemistry
Measured value is transferred on computer memory device by work station (21) by data line.
2. a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain according to claim 1, special
Sign is that shock plate (12) bottom in the simulation shock loading loading system is fluted.
3. a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain according to claim 1, special
Sign is that described two straight-bar suspension hook (10) surfaces, shock plate (12) surface, temperature sensor (28) surface, intermediate channel are simulated
Case (19) inner wall is coated with corrosion-resistant glue.
4. a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain according to claim 1, special
Sign is that the pedestal includes clothes closet (8), and clothes closet (8) is placed on pedestal (1) and is placed on clothes closet (8) temperature control box (22), electricity
Chem workstation (21).
5. a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain according to claim 1, special
Sign is that the simulation heating system includes two cover boards (34), and two cover boards (34) cover the two of intermediate channel simulation box (19)
End, and be connected with intermediate channel simulation box (19) by hinge (20).
6. a kind of fretting corrosion fatigue experimental device of heavily loaded drag conveyor round-link chain according to claim 1, special
Sign is that the corrosive medium (29) is coal dust and electrolyte corrosion solution mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566788.1A CN106289759B (en) | 2016-07-18 | 2016-07-18 | A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566788.1A CN106289759B (en) | 2016-07-18 | 2016-07-18 | A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106289759A CN106289759A (en) | 2017-01-04 |
| CN106289759B true CN106289759B (en) | 2018-10-30 |
Family
ID=57651681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610566788.1A Active CN106289759B (en) | 2016-07-18 | 2016-07-18 | A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106289759B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769630B (en) * | 2017-01-11 | 2018-04-20 | 太原理工大学 | A kind of experimental provision and method for detecting conveyer abrasion |
| CN107300508B (en) * | 2017-07-19 | 2019-09-17 | 暨南大学 | A kind of testing machine of metal material impact resistance corrosive wear |
| CN108072533B (en) * | 2017-11-30 | 2019-10-11 | 太原理工大学 | A kind of experimental provision and method detecting drag conveyor dynamic characteristic |
| CN108051171B (en) * | 2017-12-24 | 2020-03-17 | 太原理工大学 | Coal-throwing impact testing device for coal mining machine |
| CN110194312B (en) * | 2019-06-26 | 2024-04-02 | 河北工业大学 | Toothed belt environment test box |
| CN116588482B (en) * | 2023-07-17 | 2023-09-26 | 苏州乔凯机械科技有限公司 | Transfer device is used in hardware production and processing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017129B (en) * | 2006-11-17 | 2011-03-09 | 中国矿业大学 | Multifunctional micro friction wear testing machine |
| CN101660989A (en) * | 2008-08-25 | 2010-03-03 | 中国船舶重工集团公司第七○三研究所 | Inching corrosion wear test machine |
| CN101975708B (en) * | 2010-10-29 | 2012-05-09 | 华南理工大学 | Weight loading ring-piece type corrosive wear tester |
| CN104297046B (en) * | 2014-10-08 | 2016-08-17 | 中国矿业大学 | A kind of steel wire multiaxis fretting fatigue testing device and method |
| DE102014117787B4 (en) * | 2014-12-03 | 2022-05-05 | Krones Ag | Chain test device and chain test method for testing a coefficient of friction between a chain and a sliding strip of a transport device |
| CN105588750B (en) * | 2016-02-19 | 2018-03-16 | 中国矿业大学 | Multi-shaft fretting corrosion fatigue damage monitoring device and method for kilometer deep well hoisting steel wire rope |
-
2016
- 2016-07-18 CN CN201610566788.1A patent/CN106289759B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106289759A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106289759B (en) | A kind of the fretting corrosion fatigue experimental device and method of heavy duty drag conveyor round-link chain | |
| Krol et al. | An effective belt conveyor for underground ore transportation systems | |
| AU2017396542B2 (en) | Self-detection device for middle trough of scraper conveyor and detection method | |
| GłAdysiewicz et al. | Selection of carry idlers spacing of belt conveyor taking into account random stream of transported bulk material | |
| CN110040469A (en) | A kind of scraper conveyer chain tension monitoring system and method | |
| CN210487229U (en) | Shield tail synchronous grouting slurry buoyancy measuring device | |
| RU2759555C1 (en) | Friction force monitoring system for the middle chutes of a drag conveyor | |
| CN205246367U (en) | Stranded cable machine stranded cable test device | |
| CN205426888U (en) | A equipment for testing powder material ability of agglomerating | |
| CN104568616A (en) | Deck structure wheel rolling fatigue loading test platform | |
| CN206681764U (en) | A kind of coal mine tunnel top board simulates anchor bar suspension device | |
| CN109178878B (en) | Bulk coal circulation transfer experiment system | |
| CN204587977U (en) | A kind of checking system for plate wearing and tearing in Scraper Conveyer Middle Trough | |
| CN107202706A (en) | A kind of scrapper conveyor frictional resistance experimental rig and method for simulating coal heaver's condition | |
| CN209470990U (en) | A kind of tailings warehouse dam body stability test simulated test facility | |
| CN207147793U (en) | A kind of scrapper conveyor frictional resistance experimental rig for simulating transporting coal operating mode | |
| CN112412536A (en) | Stringing type mobile target inspection bearing system for fully mechanized mining face of mine and working method | |
| RU168118U1 (en) | CONVEYOR LOADER | |
| CN112213130A (en) | Skid-mounted storage tank detection experimental device | |
| Katterfeld et al. | Conveying and construction machinery | |
| CN103971585A (en) | Device and method for simulation test of load-carrying property of gob-side entry retaining anchoring pack wall | |
| CN203825944U (en) | Gob-side entry retaining anchoring spoil wall bearing performance simulation tester | |
| CN209858200U (en) | Experimental facility of modulus formula bridge telescoping device | |
| CN205772141U (en) | Isobaric dreg removing system | |
| CN201713124U (en) | Buried scraper conveyor feed inlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |