CN103969141B - A kind of hard rock hob breaks rock characteristic test device - Google Patents
A kind of hard rock hob breaks rock characteristic test device Download PDFInfo
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- CN103969141B CN103969141B CN201310032227.XA CN201310032227A CN103969141B CN 103969141 B CN103969141 B CN 103969141B CN 201310032227 A CN201310032227 A CN 201310032227A CN 103969141 B CN103969141 B CN 103969141B
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Abstract
A kind of hard rock hob for Tunnel Engineering field breaks rock characteristic test device, and the stone storehouse of the present invention supports seat and is placed on guideway, vertical shift hydraulic cylinder realize lengthwise movement；Stone storehouse is placed on stone storehouse and supports on seat, the traversing hydraulic cylinder being fixed on stone storehouse support seat realize transverse movement；Stone is placed with rock sample in storehouse.Shi Cang both sides are arranged vertically two columns, and top is connected by a crossbeam, form a gantry frame structure.Fix a vertical hydraulic cylinder on crossbeam, below vertical hydraulic cylinder, connect moved cross beam.Under moved cross beam, installation hobboing cutter is to simulate hobboing cutter rock break-off process, or installs similar hob abrasion module to simulate similar hob abrasion process.Use industrial computer, data collecting card, three-dimensional force transducer, acoustic emission device, high-speed digital photography system that hobboing cutter rock break-off process and wear process are monitored.Apparatus of the present invention can simulate the broken rock of hobboing cutter rolling, the compound broken rock of hobboing cutter rolling impact and similar hob abrasion process.
Description
Technical field
The present invention relates to the test device of a kind of TBM for Tunnel Engineering field (hard rock mole) driving cutter simulation cutting rock, especially relate to a kind of hard rock hob and break rock characteristic test device.
Background technology
Recently as China's underground space engineering construction in the urgent need to the raising with scientific and technological level, TBM is used widely in the construction of the Tunnel Engineering such as railway tunnel, municipal pipeline, diversion irrigation, transfering natural gas from the west to the east.Disk cutter is the main cutting tools for cutting of fractured rock on TBM, and its efficiency of breaking rock and abrasion condition directly affects progress and the cost of underground engineering construction.The most necessary TBM cutter is broken rock characteristic carry out experimentation.
By finding the retrieval of domestic and international pertinent literature and data, the most broken rock characteristic of TBM knife disc tool has all been carried out experimentation by Duo Suo colleges and universities and research institution.Hobboing cutter is all broken rock characteristic and has carried out experimentation by the mechanisms such as domestic Northeast Polytechnic College, Central South University, Shenyang heavy-duty machinery Group Co., Ltd, Shanghai Tunnel Engineering stock Co., Ltd and China Railway Tunneling Equipment Co., Ltd..Northeast Polytechnic College have developed the Test of rock cracking platform of oneself, and their testing stand can be studied performance during hobboing cutter cutting fractured rock to single, but has not seen delivering of Patents；Central South University's patent of invention ZL200810143551.8, entitled: the adjustable multi-hob rotary cutting test-bench in a kind of position, this testing stand can be simulated many hobboing cutters and be turned round rock cutting simultaneously；Central South University's patent of invention ZL200810143552.2, entitled: a kind of adjustable multi-hob rock cutting fragmentation test means, this assay device can simulate many actual hobboing cutter linear incision rocks, and cutter spacing is adjustable；Document [Multifunction Test of rock cracking device] refer to a kind of sound combination Test of rock cracking device, this assay device can be not only used for the cutting of single static pressure, impact grinding (relying on motor and weight regulation), static(al) press-in rock test, can be used for again the broken rock test under dynamic and static combined load effect；Shenyang heavy-duty machinery Group Co., Ltd patent of invention CN102445336A, entitled: Multi-blade multi-angle rock breaking device for rock ripper, this testing stand can simulate much knives tool multiple angles fractured rock；Shanghai Tunnel Engineering stock Co., Ltd's patent of invention ZL200410089260.7, entitled: large shield tunnelling analogue test platform, this testing stand is a large shield tunnelling analogue test platform, is used for simulating shield driving overall process；China Railway Tunneling Equipment Co., Ltd.'s patent of invention CN102788693A, entitled: shield and TBM hob testing stand, this testing stand can simulate many actual TBM hob revolution rock break-off process.
Hobboing cutter is also broken rock characteristic and has carried out experimentation by the mechanisms such as external Colorade USA mining institute, Korea S KoreaInstituteofConstructionTechnology, Turkey IstanbulTechnicalUniversity.nullThe linear incision testing stand (LinearCuttingMachine) that the Colorade USA mining institute that document [DisccuttingtestsinColoradoRedGranite:ImplicationsforTBMp erformanceprediction] is mentioned develops，The hobboing cutter that the Korea S KoreaInstituteofConstructionTechnology that document [OptimumspacingofTBMdisccutters:Anumericalsimulationusing thethree-dimensionaldynamicfracturingmethod] is mentioned develops breaks rock testing stand，Document [CorrelationofrockcuttingtestswithfieldperformanceofaTBMi nahighlyfracturedrockformation:AcasestudyinKozyatagi-Kad ikoymetrotunnel，Turkey] hobboing cutter developed of the Turkey IstanbulTechnicalUniversity that mentions breaks rock testing stand.
Hobboing cutter breaks rock testing stand or is only limitted to study hobboing cutter static pressure cutting rock both at home and abroad above, it is impossible to study hobboing cutter rock fracture in dynamic indentation；Or can apply impact and rolling, but apply mechanical type impact owing to being dependent on motor and weight, the order of magnitude of its power is less with adjustable extent simultaneously, it is impossible to for the compound broken rock experiment of TBM disk cutter impact rolling.Hob abrasion process but can not be studied by these similar laboratory tables.Therefore have developed this hard rock hob and break rock characteristic test device.This test device is possible not only on hobboing cutter apply static pressure load, but also can apply shock loading on hobboing cutter；Hobboing cutter rolling can be broken rock by this test device, the compound rock break-off process of hobboing cutter rolling impact is studied, and can study similar hob abrasion process again.
Summary of the invention
It is an object of the invention to provide a kind of hard rock hob and break rock characteristic test device, the broken rock of hobboing cutter rolling, the compound rock break-off process of hobboing cutter rolling impact can either be simulated, record the force-bearing situation of hobboing cutter, the broken rock of research hobboing cutter rolling and the compound rock breaking mechanism of rolling impact, to improve the stock-removing efficiency of disk cutter；Similar hob abrasion process can be simulated again, study hobboing cutter abrasion mechanism under static pressure load effect and characteristic, to improve the service life of disk cutter.
The present invention is mainly realized by below scheme, the invention mainly comprises vertical hydraulic cylinder, crossbeam, column, moved cross beam, three-dimensional force transducer, hobboing cutter mounting seat, hobboing cutter, rock sample, Shi Cang, traversing hydraulic cylinder, stone storehouse support seat, guideway, vertical shift hydraulic cylinder, impact bar, impact hydraulic cylinder, similar hob abrasion module mounting seat, hydraulic motor, shaft coupling, connecting shaft, similar hobboing cutter, similar hobboing cutter mounting seat, small-range three-dimensional force transducer and test system.Placing stone storehouse on guideway and support seat, stone storehouse supports seat and connects a vertical shift hydraulic cylinder being fixed on ground, and vertical shift hydraulic cylinder realizes the feed motion of stone storehouse longitudinal direction；Stone storehouse is placed on stone storehouse and supports on seat, and stone is placed with rock sample in storehouse；Stone storehouse connects two and is fixed on stone storehouse and supports the traversing hydraulic cylinders on seat, and traversing hydraulic cylinder realizes the feed motion of horizontal direction in the horizontal plane of stone storehouse；Shi Cang both sides are arranged vertically two columns, the fixed crossbeam in column top, form a gantry frame structure；Fixing a vertical hydraulic cylinder on crossbeam, it is achieved the feed motion of hobboing cutter vertical direction, equipped with moved cross beam below vertical hydraulic cylinder, moved cross beam is internally installed an impact hydraulic cylinder, installs an impact bar below impact hydraulic cylinder；When carrying out the broken rock of hobboing cutter rolling or the compound broken rock test of hobboing cutter rolling impact, the impact bar lower end within moved cross beam connects three-dimensional force transducer, and hobboing cutter is connected on the tool rest below three-dimensional force transducer；When carrying out the test of similar hob abrasion, similar hob abrasion module is installed in moved cross beam bottom surface, similar hob abrasion module is by similar hob abrasion module mounting seat, hydraulic motor, shaft coupling, connecting shaft, similar hobboing cutter, similar hobboing cutter mounting seat and small-range three-dimensional force transducer composition, small-range three-dimensional force transducer is fixed on one end of similar hob abrasion module mounting seat, similar hobboing cutter is fixed in the similar hobboing cutter mounting seat below small-range three-dimensional force transducer, hydraulic motor is fixed on the other end of similar hob abrasion module mounting seat, shaft coupling is used for coaxially connected similar hobboing cutter and hydraulic motor with connecting shaft；The electrical system of apparatus of the present invention uses PLC to control, thered is provided power by hydraulic system, use the monitoring system of industrial computer, data collecting card, three-dimensional force transducer, pressure transducer, flow transducer, acceleration transducer, encoder, dynamic strain indicator, acoustic emission device, high-speed digital photography system composition that hobboing cutter rock break-off process and wear process are monitored.
Described vertical hydraulic cylinder can apply static pressure load on hobboing cutter, it is achieved the broken rock of hobboing cutter rolling.
Described vertical hydraulic cylinder uses SERVO CONTROL, can apply pulsating pressure on hydraulic cylinder, and the waveform of pressure, frequency and magnitude parameters all can regulate, it is achieved the compound broken rock of fluid pressure type rolling impact.
Described impact hydraulic cylinder can apply impulsive force on impact bar, and the waveform of impulsive force, frequency and magnitude parameters all can regulate, it is achieved the compound broken rock of mechanical type rolling impact.
Described similar hob abrasion module is used for simulating similar hob abrasion process, after vertical hydraulic cylinder drives the similar hobboing cutter press-in rock in similar hob abrasion module, start hydraulic motor, hydraulic motor drives similar hobboing cutter to rotate by shaft coupling with connecting shaft, strengthen the sliding rate of similar hobboing cutter and rock sample, reach the purpose of accelerated wear test.
Described column coordinates with moved cross beam, play the guiding role moved cross beam, prevents vertical hydraulic cylinder by Moment simultaneously.
Described three-dimensional force transducer and small-range three-dimensional force transducer are the sensor that can measure three direction force, and the former is used for measuring hobboing cutter and breaks suffered bigger three axis force situation during rock, and the latter is used for measuring suffered less three axis force situation during similar hob abrasion.
Described vertical hydraulic cylinder, traversing hydraulic cylinder and vertical shift hydraulic cylinder have external displacement transducer, import and export on oil circuit equipped with pressure transducer and flow transducer, be used for measuring vertical hydraulic cylinder, traversing hydraulic cylinder and the pressure of vertical shift hydraulic cylinder, speed, displacement and the hobboing cutter degree of depth with similar hobboing cutter injection rock sample.
It is mounted with pressure and flow transducer on the import and export oil circuit of described hydraulic motor, is used for moment of torsion when measuring similar hob abrasion and rotating speed.
The present invention can realize the broken rock of hobboing cutter rolling and the compound broken rock experiment of hobboing cutter rolling impact, directly obtain three axis force load data when hobboing cutter breaks rock, and in hobboing cutter rock break-off process catalase feature be can be observed, provide foundation for research hobboing cutter rock breaking mechanism and efficiency of breaking rock；Simultaneously, apparatus of the present invention also can carry out the accelerated wear test of similar hobboing cutter, the sliding velocity between three axis force load data and similar hobboing cutter and rock when can directly obtain similar hob abrasion, and it is observed that the shape characteristic of similar hobboing cutter outer surface in wear process, for research, hob abrasion influence factor provides foundation.
Accompanying drawing explanation
Fig. 1 is that hard rock hob breaks rock characteristic test device front view
Fig. 2 is the structural representation of similar hob abrasion module
Fig. 3 is that hard rock hob breaks rock characteristic test device left view
Fig. 4 is that hard rock hob breaks rock characteristic test device A-A top view
Detailed description of the invention
As it can be seen, the present invention is mainly supported seat 11, guideway 12, vertical shift hydraulic cylinder 13, impact bar 14, impact hydraulic cylinder 15, similar hob abrasion module mounting seat 16, hydraulic motor 17, shaft coupling 18, connecting shaft 19, similar hobboing cutter 20, similar hobboing cutter mounting seat 21, small-range three-dimensional force transducer 22 and test system formed by vertical hydraulic cylinder 1, crossbeam 2, column 3, moved cross beam 4, three-dimensional force transducer 5, hobboing cutter mounting seat 6, hobboing cutter 7, rock sample 8, stone storehouse 9, traversing hydraulic cylinder 10, stone storehouse.Placing stone storehouse on guideway 12 and support seat 11, stone storehouse supports seat 11 and connects a vertical shift hydraulic cylinder 13 being fixed on ground, and vertical shift hydraulic cylinder 13 realizes the feed motion of stone storehouse 9 longitudinal direction；Stone storehouse 9 is placed on stone storehouse and supports on seat 11, is placed with rock sample 8 in stone storehouse 9；Stone storehouse 9 connects two and is fixed on stone storehouse and supports the traversing hydraulic cylinders 10 on seat 11, and traversing hydraulic cylinder 10 realizes the feed motion of horizontal direction in the horizontal plane of stone storehouse 9；Both sides, stone storehouse 9 are arranged vertically two columns 3, the fixed crossbeam 2 in column 3 top, form a gantry frame structure；Fixing a vertical hydraulic cylinder 1 on crossbeam 2, it is achieved the feed motion of hobboing cutter vertical direction, equipped with moved cross beam 4 below vertical hydraulic cylinder 1, moved cross beam 4 is internally installed an impact hydraulic cylinder 15, installs an impact bar 14 below impact hydraulic cylinder 15；When carrying out the broken rock of hobboing cutter rolling or the compound broken rock test of hobboing cutter rolling impact, impact bar 14 lower end within moved cross beam 4 connects three-dimensional force transducer 5, and hobboing cutter 7 is connected on the tool rest 6 below three-dimensional force transducer 5；When carrying out the test of similar hob abrasion, similar hob abrasion module is installed in moved cross beam 4 bottom surface, similar hob abrasion module is by similar hob abrasion module mounting seat 16, hydraulic motor 17, shaft coupling 18, connecting shaft 19, similar hobboing cutter 20, similar hobboing cutter mounting seat 21 and small-range three-dimensional force transducer 22 form, small-range three-dimensional force transducer 22 is fixed on one end of similar hob abrasion module mounting seat 16, similar hobboing cutter 20 is fixed in the similar hobboing cutter mounting seat 21 below small-range three-dimensional force transducer 22, hydraulic motor 17 is fixed on the other end of similar hob abrasion module mounting seat 16, shaft coupling 18 is used for coaxially connected similar hobboing cutter 20 and hydraulic motor 17 with connecting shaft 19.
Specific works process is:
The broken rock process of the test of rolling: first with vertical shift hydraulic cylinder 13, stone storehouse 9 is shifted onto foremost during work, rock sample 8 is put into stone storehouse 9, then stone storehouse 9 is retracted；Drive vertical hydraulic cylinder 1 to lower feeding, static pressure load to 7 one vertical thrust of hobboing cutter, make hobboing cutter 7 can be pressed into rock sample 8, and make vertical shift hydraulic cylinder 13 regain simultaneously or stretch out, produce length feed speed, and the translation making hobboing cutter 7 can follow rock sample 8 produces rotation, the broken rock situation of research hobboing cutter 7 rolling, simultaneous data-collecting card obtains the suffered three axis force situation on hobboing cutter 7 in real time by the three-dimensional force transducer 5 being contained on hob head 6, the vibration characteristics of hobboing cutter 7 measured by acceleration transducer, and process in data processing software, obtain the force-bearing situation parameter of hobboing cutter 7 in real time；By the microscopic characteristics of high-speed digital photography system record hobboing cutter 7 fractured rock, the formation expanding change feature of acoustic emission device record crackle.After completing cutting at one time, traversing hydraulic cylinder 10 can be driven to make stone storehouse 9 laterally advance a certain distance, thus realize hobboing cutter 7 and can repeatedly cut in stone storehouse 9.
The compound broken rock process of the test of fluid pressure type rolling impact: first with vertical shift hydraulic cylinder 13, stone storehouse 9 is shifted onto foremost during work, rock sample 8 is put into stone storehouse 9, then stone storehouse 9 is retracted；Concurrently set the pulsatile impact load waveform driving vertical hydraulic cylinder 1, the parameter such as amplitude and frequency, drive vertical hydraulic cylinder 1 to lower feeding, fluctuating load power to 7 one vertical thrust of hobboing cutter, make hobboing cutter 7 can be pressed into rock sample 8, and make vertical shift hydraulic cylinder 13 regain simultaneously or stretch out, produce length feed speed, and the translation making hobboing cutter 7 can follow rock sample 8 produces rotation, the compound broken rock situation of research hobboing cutter 7 fluid pressure type rolling impact, simultaneous data-collecting card obtains the suffered three axis force situation on hobboing cutter 7 in real time by the three-dimensional force transducer 5 being contained on hob head 6, the vibration characteristics of hobboing cutter 7 measured by acceleration transducer, and process in data processing software, obtain the force-bearing situation parameter of hobboing cutter 7 in real time；By the microscopic characteristics of high-speed digital photography system record hobboing cutter 7 fractured rock, the formation expanding change feature of acoustic emission device record crackle.After completing cutting at one time, traversing hydraulic cylinder 10 can be driven to make stone storehouse 9 laterally advance a certain distance, thus realize hobboing cutter 7 and can repeatedly cut in stone storehouse 9.
The compound broken rock process of the test of mechanical type rolling impact: first with vertical shift hydraulic cylinder 13, stone storehouse 9 is shifted onto foremost during work, rock sample 8 is put into stone storehouse 9, then stone storehouse 9 is retracted；Drive vertical hydraulic cylinder 1 to lower feeding, to the static pressure load of 7 one vertical thrust of hobboing cutter, make hobboing cutter 7 can be pressed into rock sample 8；Afterwards, set the parameter such as shock loading waveform, amplitude and frequency of impact hydraulic cylinder 15, start impact hydraulic cylinder 15, one shock loading of superposition on hobboing cutter 7；And make vertical shift hydraulic cylinder 13 regain simultaneously or stretch out, produce length feed speed, and the translation making hobboing cutter 7 can follow rock sample 8 produces rotation, the compound broken rock situation of research hobboing cutter 7 mechanical type rolling impact, simultaneous data-collecting card obtains the suffered three axis force situation on hobboing cutter 7 in real time by the three-dimensional force transducer 5 being contained on hob head 6, the vibration characteristics of hobboing cutter 7 measured by acceleration transducer, and processes in data processing software, obtains the force-bearing situation parameter of hobboing cutter 7 in real time；By the microscopic characteristics of high-speed digital photography system record hobboing cutter 7 fractured rock, the formation expanding change feature of acoustic emission device record crackle.After completing cutting at one time, traversing hydraulic cylinder 10 can be driven to make stone storehouse 9 laterally advance a certain distance, thus realize hobboing cutter 7 and can repeatedly cut in stone storehouse 9.
Similar hob abrasion process of the test: first shift onto foremost with vertical shift hydraulic cylinder 13 by stone storehouse 9 during work, puts into rock sample 8 stone storehouse 9, is then retracted in stone storehouse 9；Drive vertical hydraulic cylinder 1 to lower feeding, apply the power of a vertical thrust to hobboing cutter 20 similar in similar hob abrasion module, make similar hobboing cutter 20 can be pressed into the certain pile penetration of rock sample 8；Afterwards, hydraulic motor 17 is driven to rotate, similar hobboing cutter 20 is made to produce sliding friction effect with rock sample 8, and make vertical shift hydraulic cylinder 13 regain simultaneously or stretch out, produce length feed speed, research hob abrasion mechanism, simultaneous data-collecting card obtains the suffered three axis force situation on similar hobboing cutter 20 in real time by the small-range three-dimensional force transducer 22 being contained in similar hob abrasion module mounting seat 16, the vibration characteristics of similar hobboing cutter 20 measured by acceleration transducer, and process in data processing software, obtain the force-bearing situation parameter of similar hobboing cutter 20 in real time；The microscopic characteristics of similar hobboing cutter 20 wear process is recorded by high-speed digital photography system.After completing once to wear and tear, traversing hydraulic cylinder 10 can be driven to make stone storehouse 9 laterally advance a certain distance, thus realize similar hobboing cutter 20 and can repeatedly wear and tear in stone storehouse 9.
Claims (9)
1. a hard rock hob breaks rock characteristic test device, it is characterized in that: by vertical hydraulic cylinder (1), crossbeam (2), column (3), moved cross beam (4), three-dimensional force transducer (5), hobboing cutter mounting seat (6), hobboing cutter (7), rock sample (8), stone storehouse (9), traversing hydraulic cylinder (10), stone storehouse supports seat (11), guideway (12), vertical shift hydraulic cylinder (13), impact bar (14), impact hydraulic cylinder (15), similar hob abrasion module mounting seat (16), hydraulic motor (17), shaft coupling (18), connecting shaft (19), similar hobboing cutter (20), similar hobboing cutter mounting seat (21), small-range three-dimensional force transducer (22) and test system composition；The upper stone storehouse of placing of guideway (12) supports seat (11), stone storehouse supports seat (11) and connects a vertical shift hydraulic cylinder (13) being fixed on ground, and vertical shift hydraulic cylinder (13) realizes the feed motion of stone storehouse (9) longitudinal direction；Stone storehouse (9) is placed on stone storehouse and supports on seat (11), is placed with rock sample (8) in stone storehouse (9)；Stone storehouse (9) connects two and is fixed on stone storehouse and supports the traversing hydraulic cylinders (10) on seat (11), and traversing hydraulic cylinder (10) realizes the feed motion of horizontal direction in stone storehouse (9) horizontal plane；Stone storehouse (9) both sides are arranged vertically two columns (3), the fixed crossbeam (2) in column (3) top, form a gantry frame structure；A vertical hydraulic cylinder (1) is fixed on crossbeam (2), realize the feed motion of hobboing cutter vertical direction, vertical hydraulic cylinder (1) lower section is equipped with moved cross beam (4), moved cross beam (4) is internally installed an impact hydraulic cylinder (15), and an impact bar (14) is installed in impact hydraulic cylinder (15) lower section；When carrying out the broken rock of hobboing cutter rolling or the compound broken rock test of hobboing cutter rolling impact, impact bar (14) lower end connection three-dimensional force transducer (5) that moved cross beam (4) is internal, hobboing cutter (7) is connected in the hobboing cutter mounting seat (6) of three-dimensional force transducer (5) lower section；nullWhen carrying out the test of similar hob abrasion，Similar hob abrasion module is installed in moved cross beam (4) bottom surface，Similar hob abrasion module is by similar hob abrasion module mounting seat (16)、Hydraulic motor (17)、Shaft coupling (18)、Connecting shaft (19)、Similar hobboing cutter (20)、Similar hobboing cutter mounting seat (21) and small-range three-dimensional force transducer (22) composition，Small-range three-dimensional force transducer (22) is fixed on one end of similar hob abrasion module mounting seat (16)，Similar hobboing cutter (20) is fixed on the similar hobboing cutter mounting seat (21) of small-range three-dimensional force transducer (22) lower section，Hydraulic motor (17) is fixed on the other end of similar hob abrasion module mounting seat (16)，Shaft coupling (18) is used for coaxially connected similar hobboing cutter (20) and hydraulic motor (17) with connecting shaft (19)；The electrical system of apparatus of the present invention uses PLC to control, thered is provided power by hydraulic system, use the monitoring system of industrial computer, data collecting card, three-dimensional force transducer, pressure transducer, flow transducer, acceleration transducer, encoder, dynamic strain indicator, acoustic emission device, high-speed digital photography system composition that hobboing cutter rock break-off process and wear process are monitored.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterised in that: described vertical hydraulic cylinder (1) can be in hobboing cutter (7) upper applying static pressure load, it is achieved the broken rock of hobboing cutter rolling.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described vertical hydraulic cylinder (1) uses SERVO CONTROL, pulsating pressure can be applied on vertical hydraulic cylinder (1), the waveform of pressure, frequency and magnitude parameters all can regulate, it is achieved the compound broken rock of fluid pressure type rolling impact.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described impact hydraulic cylinder (15) can apply impulsive force on impact bar (14), the waveform of impulsive force, frequency and magnitude parameters all can regulate, it is achieved the compound broken rock of mechanical type rolling impact.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described similar hob abrasion module is used for simulating similar hob abrasion process, after vertical hydraulic cylinder (1) drives similar hobboing cutter (20) the press-in rock in similar hob abrasion module, start hydraulic motor (17), hydraulic motor drives similar hobboing cutter (20) to rotate by shaft coupling (18) with connecting shaft (19), strengthen the sliding rate of similar hobboing cutter (20) and rock sample (8), reach the purpose of accelerated wear test.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described column (3) coordinates with moved cross beam (4), moved cross beam (4) is play the guiding role, prevents vertical hydraulic cylinder (1) by Moment simultaneously.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described three-dimensional force transducer (5) and small-range three-dimensional force transducer (22) are the sensor that can measure three direction force, the former is used for measuring three axis force situation suffered during the broken rock of hobboing cutter (7), and the latter is used for measuring three axis force situation suffered during similar hobboing cutter (20) abrasion.
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: described vertical hydraulic cylinder (1), traversing hydraulic cylinder (10), vertical shift hydraulic cylinder (13) has external displacement transducer, import and export on oil circuit equipped with pressure transducer and flow transducer, it is used for measuring vertical hydraulic cylinder (1), the degree of depth of traversing hydraulic cylinder (10), the pressure of vertical shift hydraulic cylinder (13), speed and hobboing cutter (7) and similar hobboing cutter (20) injection rock sample (8).
Hard rock hob the most according to claim 1 breaks rock characteristic test device, it is characterized in that: on the import and export oil circuit of described hydraulic motor (17), be mounted with pressure and flow transducer, be used for measuring moment of torsion when similar hobboing cutter (20) weares and teares and rotating speed.
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| CN201310032227.XA CN103969141B (en) | 2013-01-29 | 2013-01-29 | A kind of hard rock hob breaks rock characteristic test device |
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| CN201310032227.XA CN103969141B (en) | 2013-01-29 | 2013-01-29 | A kind of hard rock hob breaks rock characteristic test device |
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| CN101299013B (en) * | 2008-06-23 | 2010-09-15 | 沈阳重型机械集团有限责任公司 | Tool bit rock breaking mechanism and abrasion tester |
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| DE102009014680B4 (en) * | 2009-03-25 | 2013-02-07 | Franz Schwickert | Cross-cut tester |
| EP2243594A1 (en) * | 2009-04-20 | 2010-10-27 | Univerza v Ljubljani | Arrangement of devices and a method for empirically determining efficiency index in abrasive waterjet cutting and application thereof in a device for simultaneous control of abrasive waterjet cutting |
| CN101592533A (en) * | 2009-07-10 | 2009-12-02 | 沈阳重型机械集团有限责任公司 | Synchronous detection test device for multi-item parameters of linear TBM hobs |
| CN201589742U (en) * | 2009-12-22 | 2010-09-22 | 中国重型机械研究院有限公司 | Rock cutting tool cutting test device |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN102062716A (en) * | 2010-12-02 | 2011-05-18 | 沈阳建筑大学 | Moving worktable for double-thread hob experiment |
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| CN109238618A (en) * | 2018-10-10 | 2019-01-18 | 中南大学 | A kind of cutter impact property test device |
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