CN105973738B - Abrasion test method of the rock to TBM hob cutter ring - Google Patents
Abrasion test method of the rock to TBM hob cutter ring Download PDFInfo
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- CN105973738B CN105973738B CN201610298614.1A CN201610298614A CN105973738B CN 105973738 B CN105973738 B CN 105973738B CN 201610298614 A CN201610298614 A CN 201610298614A CN 105973738 B CN105973738 B CN 105973738B
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The present invention discloses a kind of rock to the abrasion test method of TBM hob cutter ring, this method comprises: rock to be measured to be manufactured to the rock sample of preset shape and size；It processes to obtain hobboing cutter cutter ring sample using material identical with TBM hob cutter ring, and heat treatment operation identical with TBM hob cutter ring is carried out to hobboing cutter cutter ring sample；The quality of hobboing cutter cutter ring sample after determining heat treatment, using the quality as the first mass；Hobboing cutter cutter ring sample and rock sample after heat treatment is carried out to rubbing；The quality to the hobboing cutter cutter ring sample after rubbing is determined, using the quality as the second mass；Rock sample is determined to the abrasion property coefficient of hobboing cutter cutter ring sample, and using the abrasion property coefficient as rock to be measured to the abrasion property coefficient of TBM hob cutter ring.Present invention can ensure that the process to the process of rubbing TBM hob cutter ring fractured rock close under working condition between hobboing cutter cutter ring sample and rock sample, that is, carry out the simulation of actual condition, improve the reliability and accuracy of test method.
Description
Technical field
The present invention relates to Tunnel Engineering technical fields, and in particular to a kind of rock tests the abrasion of TBM hob cutter ring
Method.
Background technique
Complete-section tunnel boring machine (Tunnel Boring Machine, TBM) is one kind dedicated for ground consisting of hard rock tunnel
The rock tunnel(ling) machine of excavation.When TBM is tunneled, relying primarily on the hobboing cutter that is mounted on TBM cutterhead, to carry out rolling to rock broken.
When TBM hob rolls fractured rock, hobboing cutter cutter ring is the component for directly contacting and acting on rock, and the wearability of hobboing cutter cutter ring is straight
Connect the efficiency of breaking rock and service life for influencing hobboing cutter.However, the wearability of hobboing cutter cutter ring depends not only on hobboing cutter cutter ring itself
Performance is also influenced by its effective object rock behavio(u)r, wherein the abrasion of rock is an epochmaking influence factor.
In Tunnel Engineering field, Cerchar scratch test is a kind of rock abrasivity test being widely recognized as.The test
Principle be in a root angle be the load for applying 70N on 90 ° of steel needle, then make steel needle on tested rock sample smooth surface with
The speed of 10mm/min slides 10mm, the width after measurement steel needle needle point mill, as unit of 1/10mm, as rock sample
Cerchar wears away sex index.The test of said determination rock abrasivity is used to assess rock to the abrasion of TBM hob cutter ring
When can have the following problems: the material and performance of the material of steel needle used and performance and practical TBM hob cutter ring do not have comparable
Property；TBM hob cutter ring under relative motion mode and speed of related movement size and actual condition between steel needle and tested rock sample
Relative motion mode and speed of related movement size between rock do not have comparativity yet；In addition the width of steel needle needle point after grinding
Degree measurement can have large error.Therefore, Cerchar, which wears away sex index, can not accurately reflect rock to TBM hob cutter ring
Abrasion is strong and weak.
Summary of the invention
For disadvantages described above, the present invention provides a kind of rock to the abrasion test method of TBM hob cutter ring, to improve rock
Accuracy of the stone to the test of TBM hob cutter ring abrasion.
Rock provided by the invention includes: to the abrasion test method of TBM hob cutter ring
Rock to be measured is manufactured to the rock sample of preset shape and size；
It processes to obtain hobboing cutter cutter ring sample using material identical with the TBM hob cutter ring, and to the hobboing cutter cutter ring
Sample carries out heat treatment operation identical with the TBM hob cutter ring；
The quality of hobboing cutter cutter ring sample after determining heat treatment, using the quality as the first mass；
Hobboing cutter cutter ring sample and the rock sample after heat treatment is carried out to rubbing, and hobboing cutter during rubbing
Contact stress, relative motion mode and speed of related movement size and working condition between cutter ring sample and the rock sample
Under contact stress, relative motion mode and speed of related movement size between the TBM hob cutter ring and the rock to be measured
It respectively corresponds identical；
The quality to the hobboing cutter cutter ring sample after rubbing is determined, using the quality as the second mass；
According to first mass and second mass, determine the rock sample to the mill of the hobboing cutter cutter ring sample
Corrosion coefficient, and using the abrasion property coefficient as the rock to be measured to the abrasion property coefficient of the TBM hob cutter ring.
Optionally, determine the rock sample to the abrasion property coefficient of the hobboing cutter cutter ring sample using following formula:
Wherein, k is abrasion property coefficient, m1For first mass, m2For second mass, V is to rock described after rubbing
The volume of fragmented rock in sample.
Optionally, institute is pressed into according to the hobboing cutter cutter ring sample to the volume of fragmented rock in rock sample described after rubbing
The length for stating the depth of rock sample, the thickness of the hobboing cutter cutter ring sample and fragmented rock determines.
Optionally, hobboing cutter cutter ring sample and the rock sample after heat treatment are carried out to rubbing, comprising:
Hobboing cutter cutter ring sample after heat treatment is mounted in the drive shaft of TBM hob property test platform；
The rock sample is placed in the rock feed bin below the drive shaft；
Hobboing cutter cutter ring sample after heat treatment is pressed by the Vertical loading oil cylinder for starting TBM hob property test platform
The rock sample is to predetermined depth；
Start the length feed oil cylinder of the hydraulic motor and the rock sample that connect with the drive shaft by shaft coupling,
The revolving speed of the drive shaft and the feed speed of the length feed oil cylinder are adjusted, hobboing cutter cutter ring sample and institute after making heat treatment
Rock sample is stated by TBM hob operating condition to rubbing.
Optionally, this method further include:
Hobboing cutter cutter ring sample after heat treatment and the rock sample to rubbing during, acquired using pressure sensor
The stress of the hobboing cutter cutter ring sample is acquired the Oscillation Amplitude of the hobboing cutter cutter ring sample using vibrating sensor, and/or used
Infrared thermal imager records the temperature change of the hobboing cutter cutter ring sample.
Optionally, the quality of the hobboing cutter cutter ring sample after the determining heat treatment, comprising:
Hobboing cutter cutter ring sample after heat treatment is cleaned, dried and weighed, the hobboing cutter cutter ring examination after being heat-treated
The quality of sample.
Optionally, quality of the determination to the hobboing cutter cutter ring sample after rubbing, comprising:
It cleaned, dried and is weighed to the hobboing cutter cutter ring sample after rubbing, obtained to the hobboing cutter cutter ring sample after rubbing
Quality.
Optionally, the heat treatment operation, comprising:
The hobboing cutter cutter ring sample is preheated twice；
Vacuum hardening is carried out to the hobboing cutter cutter ring sample after preheating；
Vacuum tempering twice is carried out to the hobboing cutter cutter ring sample after vacuum hardening.
Optionally, the hobboing cutter cutter ring sample is annular shape, and internal radius 50mm, annulus outer diameter is 140mm, with a thickness of
5mm；Through-thickness opens up that there are two the through slot that is oppositely arranged, the width of the through slot on the inner sidewall of the hobboing cutter cutter ring sample
Degree is 16mm, depth 4mm.
Optionally, the preset shape is cuboid.
Rock provided by the invention is in the abrasion test method of TBM hob cutter ring, using hobboing cutter cutter ring sample right
Quality before and after rubbing determines rock to be measured to the abrasion property coefficient of hobboing cutter cutter ring sample, using the abrasion property coefficient as rock to be measured
To the abrasion property coefficient of TBM hob cutter ring, realize that rock tests the abrasion of TBM hob cutter ring.Wherein, hobboing cutter cutter ring sample
It is identical the purpose is to obtain having with TBM hob cutter ring using production materials identical with TBM hob cutter ring, heat treatment operation
The hobboing cutter cutter ring sample of performance carries out abrasion test, obtained abrasion coefficients comparison using such hobboing cutter cutter ring sample
Accurately.Moreover, contact stress, relative motion mode and phase during to rubbing, between hobboing cutter cutter ring sample and rock sample
To under movement velocity size and working condition between TBM hob cutter ring and rock to be measured contact stress, relative motion mode and
Speed of related movement size respectively corresponds identical, it is ensured that close to the process of rubbing between hobboing cutter cutter ring sample and rock sample
The process of TBM hob cutter ring fractured rock under working condition carries out the simulation of actual condition, improves the reliability of test method
And accuracy.
Detailed description of the invention
Can be more clearly understood characteristic information and advantage of the invention by reference to attached drawing, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is according to rock of the present invention to the flow diagram of one embodiment of abrasion test method of TBM hob cutter ring.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The present invention provides a kind of rock to the abrasion test method of TBM hob cutter ring, as shown in Figure 1, this method comprises:
S101, the rock sample that rock to be measured is manufactured to preset shape and size；
S102, it processes to obtain hobboing cutter cutter ring sample using material identical with TBM hob cutter ring, and to hobboing cutter cutter ring sample
Carry out heat treatment operation identical with TBM hob cutter ring；
S103, the quality for determining the hobboing cutter cutter ring sample after heat treatment, using the quality as the first mass；
S104, by after heat treatment hobboing cutter cutter ring sample and rock sample carry out to rubbing, and hobboing cutter knife during to rubbing
TBM under contact stress, relative motion mode and speed of related movement size and working condition between circle sample and rock sample
Contact stress, relative motion mode and speed of related movement size between hobboing cutter cutter ring and rock to be measured respectively correspond identical；
It will be appreciated that contact stress, relative motion during to rubbing between hobboing cutter cutter ring sample and rock sample
Contact stress, opposite fortune under mode and speed of related movement size and working condition between TBM hob cutter ring and rock to be measured
Flowing mode and speed of related movement size respectively correspond it is identical, i.e., to during rubbing between hobboing cutter cutter ring sample and rock sample
Contact stress under contact stress and working condition between TBM hob cutter ring and rock to be measured is identical, to hobboing cutter knife during rubbing
It encloses opposite between TBM hob cutter ring and rock to be measured under the relative motion mode between sample and rock sample and working condition
Motion mode is identical, to the speed of related movement size and working condition during rubbing between hobboing cutter cutter ring sample and rock sample
Speed of related movement size between lower TBM hob cutter ring and rock to be measured is identical.
S105, the determining quality to the hobboing cutter cutter ring sample after rubbing, using the quality as the second mass；
S106, according to the first mass and the second mass, determine rock sample to the abrasion property coefficient of hobboing cutter cutter ring sample, and
Using the abrasion property coefficient as rock to be measured to the abrasion property coefficient of TBM hob cutter ring.
Rock provided by the invention is in the abrasion test method of TBM hob cutter ring, using hobboing cutter cutter ring sample right
Quality before and after rubbing determines rock to be measured to the abrasion property coefficient of hobboing cutter cutter ring sample, using the abrasion property coefficient as rock to be measured
To the abrasion property coefficient of TBM hob cutter ring, realize that rock tests the abrasion of TBM hob cutter ring.Wherein, hobboing cutter cutter ring sample
It is identical the purpose is to obtain having with TBM hob cutter ring using production materials identical with TBM hob cutter ring, heat treatment operation
The hobboing cutter cutter ring sample of performance carries out abrasion test, obtained abrasion coefficients comparison using such hobboing cutter cutter ring sample
Accurately.Moreover, contact stress, relative motion mode and phase during to rubbing, between hobboing cutter cutter ring sample and rock sample
To under movement velocity size and working condition between TBM hob cutter ring and rock to be measured contact stress, relative motion mode and
Speed of related movement size respectively corresponds identical, it is ensured that close to the process of rubbing between hobboing cutter cutter ring sample and rock sample
The process of TBM hob cutter ring fractured rock under working condition carries out the simulation of actual condition, improves the reliability of test method
And accuracy.
In the specific implementation, H13 steel processing and fabricating can be used in TBM hob cutter ring, therefore hobboing cutter cutter ring sample can use
H13 steel processing and fabricating.
In the specific implementation, rock sample can be determined to the abrasion property coefficient of hobboing cutter cutter ring sample using following formula:
Wherein, k is abrasion property coefficient, m1For the first mass, m2For the second mass, V is to be crushed in rock sample after rubbing
The volume of rock.
Abrasion property coefficient is calculated using above-mentioned formula, simply, conveniently.
In the specific implementation, the volume of fragmented rock in rock sample after rubbing can be pressed into according to hobboing cutter cutter ring sample
The length of the depth of rock sample, the thickness of hobboing cutter cutter ring sample and fragmented rock determines, can also use its other party certainly
Method determines the volume of fragmented rock.
In the specific implementation, carrying out the hobboing cutter cutter ring sample after heat treatment with rock sample in S104 can to the process rubbed
To include:
Hobboing cutter cutter ring sample after heat treatment is mounted in the drive shaft of TBM hob property test platform；
Rock sample is placed in the rock feed bin below drive shaft；
Hobboing cutter cutter ring sample after heat treatment is pressed by the Vertical loading oil cylinder for starting TBM hob property test platform
Rock sample is to predetermined depth；
The length feed oil cylinder of hydraulic motor and rock sample that starting and drive shaft are connected by shaft coupling adjusts driving
The revolving speed of axis and the feed speed of length feed oil cylinder, the hobboing cutter cutter ring sample and rock sample after making heat treatment are by TBM hob
Operating condition is to rubbing.
Here, using TBM hob property test platform carry out hobboing cutter cutter ring sample and rock sample to rubbing, due to
Cutting-in, the vertical loads of hobboing cutter cutter ring sample when TBM hob property test platform can be precisely controlled test, moreover it is possible to main
It is dynamic that impact vibration is applied to hobboing cutter cutter ring sample, the actual condition of TBM hob cutter ring can be simulated, the accuracy of test is improved.
For example, the indentation of hobboing cutter cutter ring sample is about 1.0mm to the depth for the rock sample that rubs, to simulate the lower 17 cun of hobboing cutter injection of actual condition
The contact stress of hobboing cutter cutter ring and rock when degree is 8.0mm.For another example drive shaft speed is 10.5r/min, rock sample is average
Feed speed is 6.7mm/min, and to simulate the revolving speed of TBM cutterhead under actual condition as 5r/min, installation radius is 4m's or so
The relative motion of hobboing cutter cutter ring and rock when 17 cun of hobboing cutter pile penetrations are 8.0mm.
In the specific implementation, method provided by the invention can also include:
Hobboing cutter cutter ring sample after heat treatment and rock sample to rubbing during, hobboing cutter is acquired using pressure sensor
The stress of cutter ring sample using the Oscillation Amplitude of vibrating sensor acquisition hobboing cutter cutter ring sample, and/or uses infrared thermal imager
Record the temperature change of hobboing cutter cutter ring sample.
Here, stress, Oscillation Amplitude and/or the temperature change to hobboing cutter cutter ring sample during rubbing are acquired, remembered
Record etc., convenient for the different types of rock of the subsequent analysis reason etc. different to hobboing cutter cutter ring abrasion.
In the specific implementation, the quality of the hobboing cutter cutter ring sample in S103 after determining heat treatment may include:
Hobboing cutter cutter ring sample after heat treatment is cleaned, dried and weighed, the hobboing cutter cutter ring examination after being heat-treated
The quality of sample.
Here hobboing cutter cutter ring sample is cleaned and is dried before weighing, avoided under residual during heat treatment
The weighing results such as grease stain, spot impact, to improve the accuracy of weighing.
In the specific implementation, determination may include: to the quality of the hobboing cutter cutter ring sample after rubbing in S105
It cleaned, dried and is weighed to the hobboing cutter cutter ring sample after rubbing, obtained to the hobboing cutter cutter ring sample after rubbing
Quality.
After to rubbing, the surface of hobboing cutter cutter ring sample has rock powder residual, and hobboing cutter cutter ring sample is cleaned and done
It is dry, to improve the accuracy of weighing.
In the specific implementation, heat treatment operation may include: in S102
Hobboing cutter cutter ring sample is preheated twice；
Vacuum hardening is carried out to the hobboing cutter cutter ring sample after preheating；
Vacuum tempering twice is carried out to the hobboing cutter cutter ring sample after vacuum hardening.
In the specific implementation, the temperature preheated twice is determined according to the preheating temperature and duration of TBM hob cutter ring in practice
And duration, such as in practice the temperature preheated twice and duration of TBM hob cutter ring be respectively 600-650 DEG C and 1.5-2h,
800-850 DEG C and 1.5-2h, then the temperature and duration hobboing cutter cutter ring sample preheated twice be respectively as follows: 600 DEG C and 2h,
850 DEG C and 2h.The vacuum hardening of hobboing cutter cutter ring sample is determined according to the vacuum hardening temperature of TBM hob cutter ring in practice and duration
Temperature and duration, for example, in practice the vacuum hardening temperature of TBM hob cutter ring and when it is 1050-1120 DEG C and 3-4h a length of, to rolling
The vacuum hardening temperature and duration of knife cutter ring sample are respectively 1120 DEG C and 4h.It is returned according to the vacuum of TBM hob cutter ring in practice
Fiery temperature and duration determine the vacuum tempering temperature and duration of hobboing cutter cutter ring sample, for example, the vacuum of TBM hob cutter ring in practice
Tempering temperature and when it is 520-600 DEG C and 2-3h a length of, the temperature of vacuum tempering twice and duration to hobboing cutter cutter ring sample are respectively
540 DEG C and 2h, 520 DEG C and 2h.
In the specific implementation, the shape and size of hobboing cutter cutter ring sample can according to need setting, such as meet TBM hob
It is convenient for simulating actual condition with rock sample when the structure snd size of property test platform.For example, hobboing cutter cutter ring sample is circle
Ring-type, internal radius 50mm, annulus outer diameter is 140mm, with a thickness of 5mm；Along thickness side on the inner sidewall of hobboing cutter cutter ring sample
To opening up there are two the through slot being oppositely arranged, the width of through slot is 16mm, depth 4mm.
In the specific implementation, the shape of rock sample can according to need setting, such as size is 900*380*260mm's
Cuboid.
In practical applications, it can use rock provided by the invention to the abrasion test method pair of TBM hob cutter ring
Same rock tests the abrasion of the TBM hob cutter ring of different performance, during the test by the rolling of different performance
The rock sample of knife cutter ring sample and same rock to be measured is carried out to rubbing, and available this kind of rock rolls the TBM of different performance
The abrasion property coefficient of knife cutter ring.Likewise, can also be tested using abrasion of the rock provided by the invention to TBM hob cutter ring
Method tests abrasion of the different types of rock to the TBM hob cutter ring of same performance, during the test, will
The hobboing cutter cutter ring sample of this kind of performance and the rock sample of different types of rock to be measured are carried out to rubbing, by comparing different type
Rock to the abrasion property coefficient of the hobboing cutter cutter ring of this kind of performance, obtain the performance TBM hob cutter ring be relatively suitble to it is broken
Rock.In actual needs, broken cubic unit rock institute can be calculated according to abrasion property coefficient of the rock to TBM hob cutter ring
It needs the quantity of hobboing cutter cutter ring or establishes rock to TBM hob cutter ring abrasion database, according to rock for constructing tunnel unit
Matter condition reasonably selects hobboing cutter cutter ring and rationally uses knife and the customization cutter norm quota of consumption to provide foundation according to hobboing cutter cutter ring performance.
It will be appreciated by those of skill in the art that although some embodiments in this include included in other embodiments
Certain features rather than other feature, but the combination of the feature of different embodiments means to be within the scope of the present invention simultaneously
And form different embodiments.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case where bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (8)
1. a kind of rock is to the abrasion test method of TBM hob cutter ring characterized by comprising
Rock to be measured is manufactured to the rock sample of preset shape and size；
It processes to obtain hobboing cutter cutter ring sample using material identical with the TBM hob cutter ring, and to the hobboing cutter cutter ring sample
Carry out heat treatment operation identical with the TBM hob cutter ring；
The heat treatment operation, comprising: the hobboing cutter cutter ring sample is preheated twice；To the hobboing cutter cutter ring sample after preheating
Carry out vacuum hardening；Vacuum tempering twice is carried out to the hobboing cutter cutter ring sample after vacuum hardening；
The quality of hobboing cutter cutter ring sample after determining heat treatment, using the quality as the first mass；
Hobboing cutter cutter ring sample and the rock sample after heat treatment is carried out to rubbing, and hobboing cutter cutter ring during rubbing
Institute under contact stress, relative motion mode and speed of related movement size and working condition between sample and the rock sample
State contact stress, relative motion mode and the speed of related movement size difference between TBM hob cutter ring and the rock to be measured
Correspondence is identical；
The hobboing cutter cutter ring sample by after heat treatment is carried out with the rock sample to rubbing, including the hobboing cutter knife after being heat-treated
Circle sample is mounted in the drive shaft of TBM hob property test platform；The rock sample is placed under the drive shaft
In the rock feed bin of side；The Vertical loading oil cylinder for starting TBM hob property test platform tries the hobboing cutter cutter ring after heat treatment
Sample is pressed into the rock sample to predetermined depth；Start the hydraulic motor and the rock connecting with the drive shaft by shaft coupling
The length feed oil cylinder of stone sample adjusts the revolving speed of the drive shaft and the feed speed of the length feed oil cylinder, makes hot place
Hobboing cutter cutter ring sample after reason and the rock sample are by TBM hob operating condition to rubbing；
The quality to the hobboing cutter cutter ring sample after rubbing is determined, using the quality as the second mass；
According to first mass and second mass, determine the rock sample to the abrasion of the hobboing cutter cutter ring sample
Coefficient, and using the abrasion property coefficient as the rock to be measured to the abrasion property coefficient of the TBM hob cutter ring.
2. the method according to claim 1, wherein determining the rock sample to the hobboing cutter knife using following formula
Enclose the abrasion property coefficient of sample:
Wherein, k is abrasion property coefficient, m1For first mass, m2For second mass, V is to rock sample described after rubbing
The volume of middle fragmented rock.
3. according to the method described in claim 2, it is characterized in that, volume to fragmented rock in rock sample described after rubbing
The depth of the rock sample, the thickness and fragmented rock of the hobboing cutter cutter ring sample are pressed into according to the hobboing cutter cutter ring sample
Length determine.
4. the method according to claim 1, wherein further include:
Hobboing cutter cutter ring sample after heat treatment and the rock sample to rubbing during, acquired using pressure sensor described in
The stress of hobboing cutter cutter ring sample acquires the Oscillation Amplitude of the hobboing cutter cutter ring sample using vibrating sensor, and/or using infrared
Thermal imaging system records the temperature change of the hobboing cutter cutter ring sample.
5. the method according to claim 1, wherein the matter of the hobboing cutter cutter ring sample after the determining heat treatment
Amount, comprising:
Hobboing cutter cutter ring sample after heat treatment is cleaned, dried and weighed, the hobboing cutter cutter ring sample after being heat-treated
Quality.
6. the method according to claim 1, wherein quality of the determination to the hobboing cutter cutter ring sample after rubbing,
Include:
It cleaned, dried and is weighed to the hobboing cutter cutter ring sample after rubbing, obtain the quality to the hobboing cutter cutter ring sample after rubbing.
7. internal radius is the method according to claim 1, wherein the hobboing cutter cutter ring sample is annular shape
50mm, annulus outer diameter is 140mm, with a thickness of 5mm；There are two through-thickness opens up on the inner sidewall of the hobboing cutter cutter ring sample
The through slot being oppositely arranged, the width of the through slot are 16mm, depth 4mm.
8. the method according to claim 1, wherein the preset shape is cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298614.1A CN105973738B (en) | 2016-05-06 | 2016-05-06 | Abrasion test method of the rock to TBM hob cutter ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298614.1A CN105973738B (en) | 2016-05-06 | 2016-05-06 | Abrasion test method of the rock to TBM hob cutter ring |
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| CN105973738B true CN105973738B (en) | 2019-07-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110295915B (en) * | 2019-07-02 | 2020-08-04 | 中国科学院武汉岩土力学研究所 | Combined rock breaking TBM complex stratum tunneling method for realizing three-way force detection |
| CN112666033B (en) * | 2020-12-18 | 2023-11-17 | 中铁山河工程装备股份有限公司 | TBM hob ring-rock opposite grinding similarity test design method |
| CN112730134B (en) * | 2020-12-18 | 2023-10-13 | 中铁山河工程装备股份有限公司 | Rock breaking cutter material-compact core material counter grinding test method |
| CN113686780B (en) * | 2021-08-26 | 2024-06-28 | 湘潭大学 | Trace abrasion detection method for TBM hob rock breaking process |
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