CN107687984A - Hob abrasion test experiments platform and supporting measurement evaluation method - Google Patents
Hob abrasion test experiments platform and supporting measurement evaluation method Download PDFInfo
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- CN107687984A CN107687984A CN201710905705.1A CN201710905705A CN107687984A CN 107687984 A CN107687984 A CN 107687984A CN 201710905705 A CN201710905705 A CN 201710905705A CN 107687984 A CN107687984 A CN 107687984A
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- cutter ring
- wear
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000005259 measurement Methods 0.000 title claims abstract description 36
- 238000005299 abrasion Methods 0.000 title claims abstract description 33
- 238000002474 experimental method Methods 0.000 title claims abstract description 30
- 238000011156 evaluation Methods 0.000 title claims abstract description 15
- 239000003082 abrasive agent Substances 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000004088 simulation Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims 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 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012954 risk control Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention relates to a kind of for the experiment porch of hob abrasion test and Wear Resistance and measurement evaluation method.Aim to solve the problem that the problem of measurement result has hysteresis quality, Engineering Guidance not strong in the prior art and measurement error is big.Abrasive material case and transmission device be installed on platform of the present invention, the output end of transmission device be provided with clamp hobboing cutter cutter ring clamp element, hobboing cutter cutter ring is in the top of the abrasive material case；Clamping element includes both sides cutter shaft bearing, and its side is fixed on the output end of transmission device, and opposite side is fixed on abrasive material case, and the outer ring of knife hub is engaged with hobboing cutter cutter ring, and the inner ring of knife hub is engaged with the cutter shaft bearing；It is also equipped with sensor stand on transmission device, on sensor stand, the outside of corresponding hobboing cutter cutter ring, eddy current sensor element is installed.Advantage is：Measured simultaneously on the basis of simulation working environment cutting, wear testing is accomplished to be effectively combined with evaluation, in real time detection, improve measurement accuracy, equipment application size is wide.
Description
Technical field
The present invention relates to a kind of experiment porch, especially designs a kind of hobboing cutter for being used for hob abrasion test and Wear Resistance
Wear testing experiment porch and supporting measurement evaluation method.
Background technology
Important construction equipments of the shield/TBM as underground engineering, plays more and more important work in terms of tunnel construction
With hobboing cutter is shield/TBM cutterhead key components and parts, is directly interacted with rock stratum, and its wearability directly affects shield/TBM's
Drivage efficiency.At present, differed greatly due to lacking related wearability test platform and method, hobboing cutter anti-wear performance, quality is irregular
It is uneven, the heel and toe wear of knife disc tool in shield/TBM constructions is caused, is unfavorable for construction risk control and cost management, simultaneously
Also result in social resources waste.
It is fast and accurately to judge the degree of abrasion and wear-resistant to the major technique of hob abrasion test at this stage
Ability, for example, with disclosed Chinese patent literature, Application No. CN201420622106.0's, a kind of entitled measurement TBM rollings
The automatic calibration device of knife wear extent current vortex sensor, disclose a kind of by current vortex sensor output signal and displacement
Sensor output signal is combined to simulate the electronic measuring device of calculating hob abrasion.
But in the prior art, still in the presence of following weak point, such as：Being applied to the survey to having worn away hobboing cutter 1. more
Amount, measurement result have hysteresis quality；2. measurement error is big, as a result not accurate enough；It is identical that 3. test condition is difficult between each hobboing cutter,
Also there is error in the judgement in the case of test condition difference to result, not strong to concrete engineering cutting tool choice directiveness.
The content of the invention
The purpose of the present invention is exactly to have hysteresis quality, Engineering Guidance not strong in order to solve measurement result in the prior art and survey
Measure the problem of error is big.
The present invention concrete scheme be：
A kind of hob abrasion test experiments platform is designed, abrasive material case and transmission device are installed on platform, the transmission device
Output end be provided with clamp hobboing cutter cutter ring clamp element, the hobboing cutter cutter ring is in the top of the abrasive material case；The folder
Dress element includes both sides cutter shaft bearing, and its side is fixed on the output end of transmission device, and opposite side is fixed on abrasive material case, knife hub
Outer ring be engaged with the hobboing cutter cutter ring, the inner ring of knife hub is engaged with the cutter shaft bearing；On the transmission device also
Sensor stand is installed, on the sensor stand, the outside of corresponding hobboing cutter cutter ring, eddy current sensor element is installed.
Preferably, the transmission device includes the reductor and shaft coupling for being installed on motor output end, the shaft coupling
One end is connected with reductor, other end connection cutter shaft bearing, and rotary speed torque sensor is also set with the shaft coupling.
Preferably, the sensor stand includes L bracket and the semicircle shape arc frame in L bracket, in institute
State and sensor is respectively installed at the both ends on the inside of semicircle shape arc frame and fixed point, the semicircle shape arc frame and the cutter shaft bearing
Coaxially.
Preferably, the rotary speed torque sensor is connected with wireless transport module to carry the information to computer.
Preferably, the abrasive material case is also associated with the elevating mechanism for driving it to be lifted along experiment porch.The elevating mechanism
Leading screw including motor driven, the leading screw coordinates with the abrasive material case to be installed.
Preferably, the power source is variable-frequency motor.The test platform pedestal is welded using steel plate.Hobboing cutter cutter ring
Interference fit is used between knife hub.
The invention further relates to one kind to be used for hob abrasion test and evaluation method, is put down using above-mentioned hob abrasion test experiments
Platform, comprise the following steps：
（1）It is grouped and installs：5 cutter rings of premeasuring are numbered, are installed into one by one in the knife hub to match with it, is formed and surveyed
Measure part 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5；
（2）Wear Simulation scene：Gradually by the step（1）In measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, measurement
Part 5 is successively respectively arranged on the transmission device, measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5 edge with
Abrasive material is tangent in abrasive material case, wear Simulation scene, forms wear measurement part 1, wear measurement part 2, wear measurement part 3, abrasion survey
Measure part 4, wear measurement part 5；
（3）Measurement and evaluation：Carrying out step（2）While, the edge of corresponding wear measurement part is measured, setting mill
The damage testing time is t, and cutter ring rotating speed is n1, and cutter ring periphery sets current vortex sensor, reads the current vortex after wear testing and passes
The numerical value of sensor, each sensor measure 5 data and averaged, and are designated as h1, then in testing time t, cutter ring rotating speed is
Under conditions of n1, wear extent Δ hn=h1- h0, average wear rate ω n=Δ hn ,/t of cutter ring, by above-mentioned steps according to
It is secondary obtain five kinds numbering cutter rings in testing time t, cutter ring rotating speed be n1 under conditions of average wear rate ω A,
ω B, ω C, ω D, ω E, and according to ω A, ω B, ω C, ω D, ω E, carry out evaluating abrasion resistance, the wherein cutter ring
Between 0~100r/min of rotating speed, t is less than 20 minutes.
Abrasive material in the abrasive material case includes at least any two materials in polyurethane, white fused alumina, Brown Alundum, carborundum.
The beneficial effects of the present invention are：
Specific in use, using in electric vortex sensor measuring certain period of time, its front and rear surface of cutter ring abrasion is with sensing
The distance between device probe situation of change, to measure the wear extent of cutter ring, calculates the rate of depreciation of cutter ring, different by converting
Rotating speed, the rate of depreciation tested under different rotating speeds.By changing various sizes of cutter ring, to realize the current common hobboing cutter of test
The rate of depreciation of cutter ring, by the rate of depreciation of more different cutter ring products, to evaluate its wearability；
By converting the manufacturing process, material, cutter ring cross sectional shape of cutter ring, above-mentioned factor can be studied respectively to cutter ring wearability
Influence, can by change different sizes, different process material manufacture cutter ring, from cutter ring size, manufacturing process, material etc. side
Wearability test and the research of cutter ring are carried out in face, and direction is provided how to improve cutter ring wearability, while to test different cutter rings
Wearability provide experiment porch, provide technical guarantee for shield/TBM Tool preparings.The experiment porch is simple for structure, operation side
Just；
Abrasive material case is arranged on experiment porch, can simultaneously be measured, will be worn on the basis of simulation working environment cutting
Test and evaluation is accomplished to be effectively combined, and accomplishes to detect in real time, has prevented the hysteresis quality of measurement result, improves measurement accuracy；
Meanwhile abrasive material case is designed as the abrasive material case of lift, it is set to be in contact condition all the time with hobboing cutter cutter ring, to adapt to difference
The cutter ring of diameter, regulation difficulty are low；
Interference fit, assembling structure stabilization are used between hobboing cutter cutter ring and knife hub；
In the present invention, using variable frequency reducer motor, the rotary speed of cutter ring is adjusted by adjusting the rotating speed of variable-frequency motor, and do
To variable speed, to reach different test speeds, it is able to measure the performance of product under each stress condition, laboratory base station base
It is welded using steel plate, the overall stability of testing equipment can be improved.
Brief description of the drawings
Fig. 1 is the front view of structure of the present invention；
Fig. 2 is the top view of structure of the present invention；
Each component names in figure：1. variable-frequency motor；2. reductor；3. shaft coupling；4. rotary speed torque sensor；5. sensor branch
Frame；6. current vortex sensor；7. hobboing cutter cutter ring；8. knife hub；9. cutter shaft bearing；10. abrasive material；11. abrasive material case；12. experiment
Platform；61. top sensor；62. front end sensors；End sensor after 63..
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
A kind of hob abrasion test experiments platform, referring to Fig. 1 to Fig. 2, abrasive material case 11 and transmission device are installed on platform, are driven
The output end of device be provided with clamp hobboing cutter cutter ring 7 clamp element, hobboing cutter cutter ring 7 is in the top of abrasive material case 11；Clamp
Element includes both sides cutter shaft bearing 9, and its side is fixed on the output end of transmission device, and opposite side is fixed on abrasive material case 11, knife
The outer ring of hub 8 is engaged with hobboing cutter cutter ring 7, and the inner ring of knife hub 8 is engaged with cutter shaft bearing 9；It is also equipped with transmission device
Sensor stand 5, on sensor stand 5, the outside of corresponding hobboing cutter cutter ring 7, eddy current sensor element is installed.
Transmission device includes the reductor 2 and shaft coupling 3 for being installed on motor output end, one end and the reductor 2 of shaft coupling 3
It is connected, the other end connects cutter shaft bearing 9, and rotary speed torque sensor 4 is also set with shaft coupling 3.
Sensor stand 5 includes L bracket and the semicircle shape arc frame in L bracket, in semicircle shape arc frame
Sensor is respectively installed, semicircle shape arc frame and cutter shaft bearing 9 are coaxial at the both ends of inner side and fixed point.
Rotary speed torque sensor 4 is connected with wireless transport module to carry the information to computer.
Abrasive material case 11 is also associated with the elevating mechanism for driving it to be lifted along experiment porch 12.Elevating mechanism includes motor driven
Leading screw, leading screw and abrasive material case 11, which coordinate, to be installed.
Power source is variable-frequency motor.Test platform pedestal is welded using steel plate.
Test platform pedestal is welded using steel plate, it is ensured that pedestal has enough strength and stiffness to meet to test need
Ask.Platform, which is adopted, to be computerizedd control, and the data of rotary speed torque sensor 4 are on the one hand read using computer, on the other hand also may be used
Setting speed desired value, cutter ring is set to reach required rotating speed；Using electric vortex sensor measuring its between the surface of hobboing cutter cutter ring 7
Distance in the front and rear variable quantity of abrasion, to illustrate the wear extent of cutter ring.
Experiment porch 12 includes variable-frequency motor 1, reductor 2, shaft coupling 3, rotary speed torque sensor 4, current vortex sensor,
Hobboing cutter cutter ring 7, knife hub 8, abrasive material 10, stuffing-box, the pedestal of experiment porch 12, sensor stand 5, cutter shaft bearing 9；Wherein become
Frequency motor 1, reductor 2, sensor stand 5, cutter shaft bearing 9, stuffing-box are all arranged on the pedestal of experiment porch 12；Variable-frequency motor
1 connection reductor 2；Reductor 2 is connected by shaft coupling 3 with knife hub 8；Hobboing cutter cutter ring 7 connects knife hub 8, and knife hub 8 connects cutter shaft branch
Seat 9；Rotary speed torque sensor 4 connects shaft coupling 3, and current vortex sensor is arranged on sensor stand 5；Mode standard material is pacified
In stuffing-box；Platform, which is adopted, to computerized control.Current vortex sensor have 3, and be spaced 90 ° and pass through sensor stand
5 are arranged in the upper space of hobboing cutter cutter ring 7；Interference fit is used between hobboing cutter cutter ring 7 and knife hub 8；Knife hub 8 and cutter shaft bearing
Rolling bearing is installed between 9；Stuffing-box its distance with cutter ring can be adjusted in vertical direction by ball-screw, make it
Contact condition is in all the time with hobboing cutter cutter ring 7；Three sensors have independent data channel that data are reached into capture card, and
Independently shown on computer；Sensor stand 5 is semi-circular shape, and the knife hub 8 being connected by bolt with the pedestal of experiment porch 12,
Its quantity has multiple, and profile is similar, and its cutter shaft size is the same, and only the diameter of knife hub 8 is different, to adapt to different size cutter rings.
In the present invention, power source is variable-frequency motor 1, and the rotation of cutter ring speed is adjusted by adjusting the rotating speed of variable-frequency motor 1
Degree, and accomplish variable speed, to reach different test speeds；Using in electric vortex sensor measuring certain period of time, cutter ring
Front and rear the distance between its surface and the sensor probe situation of change of abrasion, to measure the wear extent of cutter ring, calculates the mill of cutter ring
Speed is damaged, by converting different rotating speeds, the rate of depreciation tested under different rotating speeds.By changing various sizes of cutter ring, with
The rate of depreciation of the current common hobboing cutter cutter ring 7 of test is realized, by the rate of depreciation of more different cutter ring products, to evaluate it
Wearability；By converting the manufacturing process, material, cutter ring cross sectional shape of cutter ring, it is wear-resisting to cutter ring above-mentioned factor can be studied respectively
The influence of property.
The invention further relates to one kind to be used for hob abrasion test and evaluation method, is put down using above-mentioned hob abrasion test experiments
Platform, comprise the following steps：
（1）It is grouped and installs：5 cutter rings of premeasuring are numbered, are installed into one by one in the knife hub to match with it, is formed and surveyed
Measure part 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5；
（2）Wear Simulation scene：Gradually by the step（1）In measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, measurement
Part 5 is successively respectively arranged on the transmission device, measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5 edge with
Abrasive material is tangent in abrasive material case, wear Simulation scene, forms wear measurement part 1, wear measurement part 2, wear measurement part 3, abrasion survey
Measure part 4, wear measurement part 5；
（3）Measurement and evaluation：Carrying out step（2）While, the edge of corresponding wear measurement part is measured, setting mill
The damage testing time is t, and cutter ring rotating speed is n1, and cutter ring periphery sets current vortex sensor, reads the current vortex after wear testing and passes
The numerical value of sensor, each sensor measure 5 data and averaged, and are designated as h1, then in testing time t, cutter ring rotating speed is
Under conditions of n1, wear extent Δ hn=h1- h0, average wear rate ω n=Δ hn ,/t of cutter ring, by above-mentioned steps according to
It is secondary obtain five kinds numbering cutter rings in testing time t, cutter ring rotating speed be n1 under conditions of average wear rate ω A,
ω B, ω C, ω D, ω E, and according to ω A, ω B, ω C, ω D, ω E, carry out evaluating abrasion resistance, the wherein cutter ring
Between 0~100r/min of rotating speed, t is less than 20 minutes.
Abrasive material in the abrasive material case includes at least any two materials in polyurethane, white fused alumina, Brown Alundum, carborundum.
Implementation steps in the course of work：
Assuming that wanting 5 kinds of evaluation comparison, 17 inches of diameter, by the wearability of the hobboing cutter cutter ring 7 of different manufacturers production, specific steps are such as
Under：
Step 1：5 kinds of cutter rings are numbered, are respectively labeled as A, B, C, D, E；
Step 2：A, B, C, D, No. E 5 cutter rings are installed on corresponding knife hub 8 respectively, and the knife hub 8 that A cutter rings will be installed
It is installed on experiment porch 12；
Step 3：Cutter ring rotating speed is set to the numerical value of n1 measurements current vortex sensor during the idle running of A cutter rings under current rotating speed,
Each sensor measures 5 data and averaged, and is designated as h0；
Step 4：Abrasive material 10 is installed, hobboing cutter cutter ring 7 is in contact with abrasive material 10, sets the wear testing time as t,
Cutter ring rotating speed is n1, reads the numerical value of the current vortex sensor after wear testing, and each sensor measures 5 data and is averaged
Value, is designated as h1, then in testing time t, under conditions of cutter ring rotating speed is n1, and wear extent Δ hA=h1- h0 of A cutter rings
, average wear rate ω A=；
Step 5：Repeat step two, Step 3: step 4, lost material is changed in test every time, obtains five kinds of numberings successively
For cutter ring in testing time t, cutter ring rotating speed is the average wear rate ω A under conditions of n1, ω B, ω C, ω D, ω
E ；
Step 6：Compare the size between ω A, ω B, ω C, ω D, ω E, you can the wearability of 5 kinds of cutter rings of evaluation.
Experimental data form is shown in Table 1
The test data record sheet of table 1
In upper table, row take 2 groups of experimental provisions, when 5 groups of cutter rings of design compare, measure the data for filling in numbering C, D, E again successively,
So as to be compared and evaluate and test.
Finally it should be noted that：The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although
The present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be right
Technical scheme described in foregoing embodiments is modified, or carries out equivalent substitution to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (10)
- A kind of 1. hob abrasion test experiments platform, it is characterised in that：Abrasive material case is installed on platform（11）And transmission device, institute The output end for stating transmission device is provided with and clamps hobboing cutter cutter ring（7）Clamp element, make the hobboing cutter cutter ring（7）In the mill Hopper（11）Top；The element that clamps includes both sides cutter shaft bearing（9）, its side is fixed on the output end of transmission device, Opposite side is fixed on abrasive material case（11）On, knife hub（8）Outer ring and the hobboing cutter cutter ring（7）It is engaged, knife hub（8）Inner ring with The cutter shaft bearing（9）It is engaged；Sensor stand is also equipped with the transmission device（5）, the sensor stand（5） Upper, corresponding hobboing cutter cutter ring（7）Outside, eddy current sensor element is installed.
- 2. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The transmission device includes being installed on The reductor of motor output end（2）And shaft coupling（3）, the shaft coupling（3）One end and reductor（2）It is connected, the other end connects Connect cutter shaft bearing（9）, the shaft coupling（3）On be also set with rotary speed torque sensor（4）.
- 3. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The sensor stand（5）Including L Shape support and the semicircle shape arc frame in L bracket, it is each at the both ends and fixed point on the inside of the semicircle shape arc frame Sensor, the semicircle shape arc frame and the cutter shaft bearing are installed（9）Coaxially.
- 4. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The rotary speed torque sensor（4） Wireless transport module is connected with to carry the information to computer.
- 5. hob abrasion test experiments platform as claimed in claim 4, it is characterised in that：The abrasive material case（11）It is also associated with It is driven along experiment porch（12）The elevating mechanism of lifting.
- 6. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The elevating mechanism includes motor belt motor Dynamic leading screw, the leading screw and the abrasive material case（11）Coordinate installation.
- 7. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The power source is variable-frequency motor （1）.
- 8. hob abrasion test experiments platform as claimed in claim 1, it is characterised in that：The test platform pedestal uses steel Plate weld is formed, and interference fit is used between hobboing cutter cutter ring and knife hub.
- 9. one kind is used for hob abrasion test and evaluation method, put down using hob abrasion test experiments as claimed in claim 1 Platform, it is characterised in that comprise the following steps：It is grouped and installs：5 cutter rings of premeasuring are numbered, are installed into one by one in the knife hub to match with it, form measurement Part 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5；Wear Simulation scene：Gradually by the step（1）In measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, measuring piece 5 Successively respectively it is arranged on the transmission device, measuring piece 1, measuring piece 2, measuring piece 3, measuring piece 4, the edge and mill of measuring piece 5 Abrasive material is tangent in hopper, wear Simulation scene, forms wear measurement part 1, wear measurement part 2, wear measurement part 3, wear measurement Part 4, wear measurement part 5；Measurement and evaluation：Carrying out step（2）While, the edge of corresponding wear measurement part is measured, setting abrasion Testing time is t, and cutter ring rotating speed is n1, cutter ring periphery sets current vortex sensor, reads the current vortex sensing after wear testing The numerical value of device, each sensor measure 5 data and averaged, and are designated as h1 , then in testing time t, cutter ring rotating speed is n1 Under conditions of, the wear extent Δ h of cutter ringn= h1- h0, average wear rate ωn =Δhn,/t, by above-mentioned steps successively For the cutter ring numbered to five kinds in testing time t, cutter ring rotating speed is n1Under conditions of average wear rate ωA 、 ωB 、 ωC 、ωD 、ωE, and according to ωA 、 ωB 、ωC 、ωD 、ωE,Progress evaluating abrasion resistance, the wherein cutter ring rotating speed 0~ Between 100r/min, t is less than 20 minutes.
- 10. it is used for hob abrasion test and evaluation method as claimed in claim 9, it is characterised in that：In the abrasive material case Abrasive material includes at least any two materials in polyurethane, white fused alumina, Brown Alundum, carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905705.1A CN107687984A (en) | 2017-09-29 | 2017-09-29 | Hob abrasion test experiments platform and supporting measurement evaluation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905705.1A CN107687984A (en) | 2017-09-29 | 2017-09-29 | Hob abrasion test experiments platform and supporting measurement evaluation method |
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| Publication Number | Publication Date |
|---|---|
| CN107687984A true CN107687984A (en) | 2018-02-13 |
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|---|---|---|---|
| CN201710905705.1A Pending CN107687984A (en) | 2017-09-29 | 2017-09-29 | Hob abrasion test experiments platform and supporting measurement evaluation method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731629A (en) * | 2018-07-02 | 2018-11-02 | 北京工业大学 | hob abrasion measuring device |
| CN108917642A (en) * | 2018-07-02 | 2018-11-30 | 中国水利水电第工程局有限公司 | Hob abrasion quantity measuring method and device |
| CN109443969A (en) * | 2018-10-25 | 2019-03-08 | 西南交通大学 | One kind being used for shield cutter cutter wear characteristic test and experiment device and method |
| CN109738188A (en) * | 2019-01-16 | 2019-05-10 | 西南科技大学 | Assess the device and method of bearing retainer wearability |
| CN109765398A (en) * | 2019-01-18 | 2019-05-17 | 北京工业大学 | A kind of monitoring device of hobboing cutter revolving speed |
| CN109765399A (en) * | 2019-01-18 | 2019-05-17 | 中铁工程装备集团有限公司 | The calibration facility of hobboing cutter device for dynamically detecting |
| CN110160447A (en) * | 2019-06-28 | 2019-08-23 | 中铁隧道局集团有限公司 | A kind of device of precise measurement shield TBM hob abrasion amount and matched measurement method |
| CN110231238A (en) * | 2019-05-30 | 2019-09-13 | 吉林省维尔特隧道装备有限公司 | The gradient rigidity detection device and method in development machine hobboing cutter cutter ring section |
| CN111091748A (en) * | 2019-12-31 | 2020-05-01 | 中铁工程服务有限公司 | Scaling hob and tool apron for TBM test bed |
| CN111337372A (en) * | 2020-04-22 | 2020-06-26 | 上海隧道工程有限公司 | Laser scanning measuring device and measuring method for cutter cutting test platform |
| CN113418813A (en) * | 2021-06-22 | 2021-09-21 | 湘潭大学 | Cutter ring sample-rock opposite grinding test device and cutter ring sample clamping tool thereof |
| CN113418814A (en) * | 2021-06-22 | 2021-09-21 | 湘潭大学 | Cutter ring sample-rock opposite grinding test method capable of simulating different slip rates |
| CN114509255A (en) * | 2022-04-19 | 2022-05-17 | 四川广正科技有限公司 | Shield machine hob running-in test platform and test method |
| CN114577655A (en) * | 2022-05-06 | 2022-06-03 | 安徽省通达新材料有限公司 | Equipment and method for detecting wear resistance of aluminum-plated film coating |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731629A (en) * | 2018-07-02 | 2018-11-02 | 北京工业大学 | hob abrasion measuring device |
| CN108917642A (en) * | 2018-07-02 | 2018-11-30 | 中国水利水电第工程局有限公司 | Hob abrasion quantity measuring method and device |
| CN109443969A (en) * | 2018-10-25 | 2019-03-08 | 西南交通大学 | One kind being used for shield cutter cutter wear characteristic test and experiment device and method |
| CN109443969B (en) * | 2018-10-25 | 2023-09-22 | 西南交通大学 | Device and method for testing abrasion characteristics of cutter of shield cutter head |
| CN109738188A (en) * | 2019-01-16 | 2019-05-10 | 西南科技大学 | Assess the device and method of bearing retainer wearability |
| CN109738188B (en) * | 2019-01-16 | 2024-02-06 | 西南科技大学 | Device and method for evaluating wear resistance of bearing retainer |
| CN109765398A (en) * | 2019-01-18 | 2019-05-17 | 北京工业大学 | A kind of monitoring device of hobboing cutter revolving speed |
| CN109765399A (en) * | 2019-01-18 | 2019-05-17 | 中铁工程装备集团有限公司 | The calibration facility of hobboing cutter device for dynamically detecting |
| CN110231238B (en) * | 2019-05-30 | 2020-04-24 | 吉林省维尔特隧道装备有限公司 | Gradient hardness detection device and method for section of hob ring of heading machine |
| CN110231238A (en) * | 2019-05-30 | 2019-09-13 | 吉林省维尔特隧道装备有限公司 | The gradient rigidity detection device and method in development machine hobboing cutter cutter ring section |
| CN110160447A (en) * | 2019-06-28 | 2019-08-23 | 中铁隧道局集团有限公司 | A kind of device of precise measurement shield TBM hob abrasion amount and matched measurement method |
| CN111091748A (en) * | 2019-12-31 | 2020-05-01 | 中铁工程服务有限公司 | Scaling hob and tool apron for TBM test bed |
| CN111337372A (en) * | 2020-04-22 | 2020-06-26 | 上海隧道工程有限公司 | Laser scanning measuring device and measuring method for cutter cutting test platform |
| CN113418813A (en) * | 2021-06-22 | 2021-09-21 | 湘潭大学 | Cutter ring sample-rock opposite grinding test device and cutter ring sample clamping tool thereof |
| CN113418814A (en) * | 2021-06-22 | 2021-09-21 | 湘潭大学 | Cutter ring sample-rock opposite grinding test method capable of simulating different slip rates |
| CN113418813B (en) * | 2021-06-22 | 2022-06-07 | 湘潭大学 | Cutter ring sample-rock opposite grinding test device and cutter ring sample clamping tool thereof |
| CN114509255A (en) * | 2022-04-19 | 2022-05-17 | 四川广正科技有限公司 | Shield machine hob running-in test platform and test method |
| CN114577655A (en) * | 2022-05-06 | 2022-06-03 | 安徽省通达新材料有限公司 | Equipment and method for detecting wear resistance of aluminum-plated film coating |
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