CN104614265A - Device for testing wear resistance of disc cutter of TBM (tunnel boring machine) and application - Google Patents
Device for testing wear resistance of disc cutter of TBM (tunnel boring machine) and application Download PDFInfo
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- CN104614265A CN104614265A CN201510019248.7A CN201510019248A CN104614265A CN 104614265 A CN104614265 A CN 104614265A CN 201510019248 A CN201510019248 A CN 201510019248A CN 104614265 A CN104614265 A CN 104614265A
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Abstract
The invention relates to a device for testing wear resistance of a disc cutter of a TBM (tunnel boring machine). The device comprises a base (1), a reaction frame (2), a vertical hydraulic cylinder (3), vertical guide rods (4), a vertical stress cushion block (5), a bearing (6), a cutter-like body (7), a cutter ring fixture (8), a cutter ring sample (9), a model case (10), a rock sample (11), a model case fixing block (12), transverse slides (13), a transverse hydraulic cylinder (14) and a test system, wherein the transverse hydraulic cylinder (14) drives the rock sample (11) to reciprocate in a horizontal plane, the vertical hydraulic cylinder (3) drives the cutter ring sample (9) to move up and down in a vertical plant, the cutter ring sample (9) reciprocates along with the rock sample (11) to realize reciprocating rolling, and the wear resistance of the cutter ring sample is tested through the test system. Compared with the prior art, the device can test the wear resistance of different cutter rings and can test effects caused by different factors on wear to the cutter rings.
Description
Technical field
The present invention relates to a kind of TBM hard rock mole disk cutter and rock interaction proving installation, especially relate to a kind of development machine cutter ring of disc cutter wearability test device.
Background technology
In recent years, China's underground space engineering construction is carried out on a large scale, competitively builds major long tunnel, and mechanization of building operation degree level day by day improves, TBM driving technology is widely applied because of advantages such as its speed of application is fast, safety, high-quality, environmental protection, and its production domesticization trend is also more and more obvious.Disk cutter, as the main rock crushing tool of TBM, directly affects operating efficiency and the cost of TBM its serviceable life.Hobboing cutter hobboing cutter cutter ring self while broken rock produces wearing and tearing, and be wherein divided into normal wear and heel and toe wear, according to a large amount of engineering statistics, cutter ring normal wear accounts for more than 90%.Generally, in TBM work progress, cutter consumption costs accounts for the 1/5-1/4 of project total cost, when geologic condition is special, up to 1/3; The time that cutter inspection, maintenance, tool changing etc. consume also accounts for 1/3 of the engineering construction time.Therefore, hobboing cutter cutter ring wearing quality becomes an important indicator of hobboing cutter performance, grasps the abrasion mechanism of hobboing cutter cutter ring, becoming focus and the difficult point of present stage research, being necessary to carry out cutter ring abrasion test research to carrying out reasonably prediction its serviceable life.
At present, be generally to be tested by rock frictional test and rock frictional test sex index is studied to hob abrasion life prediction in the world, conventional rock frictional test test has Cerchar test, the test of NTNU frictional property, the test of LCPC frictional property etc.Domestic Tongji University, Central South University, Beijing University of Technology, the units such as Hebei University of Technology, University Of Tianjin, Northeastern University, China Railway Tunneling Equipment Co., Ltd., North Heavy Industry Group Co., Ltd. have carried out hobboing cutter rock breaking mechanism and hob abrasion mechanism and life prediction and have first closed research, and have developed the testing equipment of different scales and type.
All in all, each research institution to hob abrasion life search by theoretical analysis, field data analysis, test and theory combines etc. that method is studied, these forecast models often have larger deviation, general needs are revised by a large amount of engineering experiences, applicable elements is single, can not reflect the wearing character etc. of prototype cutter ring.Therefore, in the urgent need to developing a kind of wearability test device based on prototype cutter ring, this device, by cutting part prototype cutter ring and rock reciprocating rolling friction, realizes the simulation to cutter ring and rock frictional test abrasive action, can carry out abrasion test research to different cutter ring.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of frictional property both can testing different rock is provided, the wear process of hobboing cutter cutter ring can be simulated again, test hobboing cutter cutter ring wearing quality, with the development machine disk cutter wearability test device predicted the serviceable life of cutter ring of disc cutter and application.
Object of the present invention can be achieved through the following technical solutions: a kind of development machine disk cutter wearability test device, it is characterized in that, comprise pedestal, reaction frame, vertical hydraulic cylinder, vertically-guided bar, vertical stressed cushion block, bearing, class cutter hub, cutter ring fixture, cutter ring sample, model casing, rock sample, model casing fixed block, transverse slipway, transverse hydraulic cylinder and test macro composition, described reaction frame comprises top cross-bar and sidepiece longeron, longeron is arranged on pedestal, crossbeam lower surface is fixed with four vertically-guided bars, described vertical stressed cushion block is enclosed within four vertically-guided bars and also can moves up and down, described vertical hydraulic cylinder is arranged in reaction frame top cross-bar, and be connected with the vertical stressed cushion block below it, described class cutter hub is connected with vertical stressed cushion block by bearing, described cutter ring sample is connected with class cutter hub by cutter ring fixture, described rock sample is placed in model casing, and it is relative with the cutter ring sample above it, described model casing is fixed on transverse slipway by model casing fixed block, described transverse hydraulic cylinder two ends are connected with model casing fixed block, described transverse slipway is connected with pedestal,
Transverse hydraulic cylinder drives rock sample to-and-fro movement in horizontal plane, and vertical hydraulic cylinder drives cutter ring sample to move up and down in vertical plane, and cutter ring test specimen realizes reciprocating rolling with rock sample to-and-fro movement, and by its anti-wear performance of test system and test.
Described vertical hydraulic cylinder adopts double-piston rod-type hydraulic cylinder, and it connects vertical stressed cushion block, and drives vertical stressed cushion block to drive the vertical movement of cutter ring sample and load to apply.
Described transverse hydraulic cylinder adopts the fixed through-rod piston cylinder of cylinder barrel, and its cylinder body is connected with pedestal, and its piston rod two ends are connected with model casing fixed block, and transverse hydraulic cylinder driving model case fixed block drives rock sample traverse motion.
Described cutter ring sample is connected with class cutter hub by cutter ring fixture, and class cutter hub top is provided with the axis hole be connected with bearing, and class cutter hub is around bearing central axis.
Described transverse hydraulic cylinder has outer displacement sensor, is used for measuring traverse motion distance; Vertical hydraulic cylinder and transverse hydraulic cylinder are imported and exported on oil circuit and pressure transducer are housed, and are used for measuring the pressure of vertical hydraulic cylinder and transverse hydraulic cylinder.
A kind of application of development machine disk cutter wearability test device, it is characterized in that, vertical hydraulic cylinder promotes class cutter hub, take off model casing, prefabricated key rock sample is put into model casing and is fixed on model casing fixed block, cutter ring sample is fixed on class cutter hub, vertical hydraulic cylinder drives the vertical movement of cutter ring sample, cutter ring sample is made to contact with rock sample and set constant perpendicular pressure, start transverse hydraulic cylinder, rock sample and cutter ring sample is driven to produce progressive rolling movement rubbing action, by test system and test hobboing cutter cutter ring wearing quality.
Described test macro is conventional hobboing cutter cutter ring wearability test system, by industrial computer, data collecting card, pressure transducer, displacement transducer, high-speed digital photography system group, monitors wear process.Whole electric employing PLC controls.
Compared with prior art, the present invention realizes the test of hobboing cutter cutter ring wearability test, directly obtains cutter ring and rock contact pressure, hobboing cutter frictional distance, observe the outside surface shape characteristic of wear process cutter ring, the wear extent of test cutter ring, for research hobboing cutter cutter ring wearing character provides foundation.
Accompanying drawing explanation
Fig. 1 is development machine disk cutter wearability test device front view;
Fig. 2 is cutter ring fixture cutter hub bearing module schematic diagram;
Fig. 3 is traverse motion module diagram;
Fig. 4 is vertical load module diagram;
Fig. 5 is cutter ring sample schematic diagram;
Fig. 6 is rock sample schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in figs. 1 to 6, a kind of development machine disk cutter wearability test device, comprises pedestal 1, reaction frame 2, vertical hydraulic cylinder 3, vertically-guided bar 4, vertical stressed cushion block 5, bearing 6, class cutter hub 7, cutter ring fixture 8, cutter ring sample 9, model casing 10, rock sample 11, model casing fixed block 12, transverse slipway 13, transverse hydraulic cylinder 14 and test macro composition, described reaction frame 2 comprises top cross-bar and sidepiece longeron, longeron is arranged on pedestal 1, crossbeam lower surface is fixed with four vertically-guided bars 4, described vertical stressed cushion block 5 is enclosed within four vertically-guided bars 4 and also can moves up and down, described vertical hydraulic cylinder 3 is arranged in reaction frame 2 top cross-bar, and be connected with the vertical stressed cushion block 5 below it, described class cutter hub 7 is connected with vertical stressed cushion block 5 by bearing 6, described cutter ring sample 9 is connected with class cutter hub 7 by cutter ring fixture 8, described rock sample 11 is placed in model casing 10, and it is relative with the cutter ring sample 9 above it, described model casing 10 is fixed on transverse slipway 13 by model casing fixed block 12, described transverse hydraulic cylinder 14 two ends are connected with model casing fixed block 12, described transverse slipway 13 is connected with pedestal 1, transverse hydraulic cylinder 14 drives rock sample 11 to-and-fro movement in horizontal plane, vertical hydraulic cylinder 3 drives cutter ring sample 9 to move up and down in vertical plane, cutter ring test specimen 9 realizes reciprocating rolling with rock sample 11 to-and-fro movement, and by its anti-wear performance of test system and test.
Described vertical hydraulic cylinder 3 adopts double-piston rod-type hydraulic cylinder, and it connects vertical stressed cushion block 5, and drives vertical stressed cushion block 5 to drive the vertical movement of cutter ring sample 9 and load to apply.
Described transverse hydraulic cylinder 14 adopts the fixed through-rod piston cylinder of cylinder barrel, and its cylinder body is connected with pedestal 1, and its piston rod two ends are connected with model casing fixed block 12, and transverse hydraulic cylinder 14 driving model case fixed block 12 drives rock sample 11 traverse motion.
Described cutter ring sample 9 is connected with class cutter hub 7 by cutter ring fixture 8, and class cutter hub 7 top is provided with the axis hole be connected with bearing 6, and class cutter hub 7 is around bearing 6 central axis.
Described transverse hydraulic cylinder 14 has outer displacement sensor, is used for measuring traverse motion distance; Vertical hydraulic cylinder 3 and transverse hydraulic cylinder 14 are imported and exported on oil circuit and pressure transducer are housed, and are used for measuring the pressure of vertical hydraulic cylinder and transverse hydraulic cylinder.Described test macro is conventional hobboing cutter cutter ring wearability test system, by industrial computer, data collecting card, pressure transducer, displacement transducer, high-speed digital photography system group, monitors wear process.Whole electric employing PLC controls.
Development machine disk cutter wearability test device is adopted to test, method is as follows: vertical hydraulic cylinder 3 promotes class cutter hub 7, take off model casing 10, prefabricated key rock sample 11 is put into model casing 10 and is fixed on model casing fixed block 12, cutter ring sample 9 is fixed on class cutter hub 7, vertical hydraulic cylinder 3 drives the vertical movement of cutter ring sample 9, cutter ring sample 9 is made to contact with rock sample 11 and set constant perpendicular pressure, start transverse hydraulic cylinder 14, rock sample 11 and cutter ring sample 9 is driven to produce progressive rolling movement rubbing action, by the macroscopic property of high-speed figure imagination system log (SYSLOG) cutter ring test specimen wear process, rolling friction distance is calculated by setting to-and-fro movement number of times and reciprocating stroke, eventually through wearing and tearing quality and the rock wearing and tearing quality of high precision balance test cutter ring sample.
Claims (6)
1. a development machine disk cutter wearability test device, it is characterized in that, comprise pedestal (1), reaction frame (2), vertical hydraulic cylinder (3), vertically-guided bar (4), vertical stressed cushion block (5), bearing (6), class cutter hub (7), cutter ring fixture (8), cutter ring sample (9), model casing (10), rock sample (11), model casing fixed block (12), transverse slipway (13), transverse hydraulic cylinder (14) and test macro composition, described reaction frame (2) comprises top cross-bar and sidepiece longeron, longeron is arranged on pedestal (1), crossbeam lower surface is fixed with four vertically-guided bars (4), described vertical stressed cushion block (5) is enclosed within four vertically-guided bars (4) and above also can moves up and down, described vertical hydraulic cylinder (3) is arranged in reaction frame (2) top cross-bar, and be connected with the vertical stressed cushion block (5) below it, described class cutter hub (7) is connected with vertical stressed cushion block (5) by bearing (6), described cutter ring sample (9) is connected with class cutter hub (7) by cutter ring fixture (8), described rock sample (11) is placed in model casing (10), and it is relative with the cutter ring sample (9) above it, described model casing (10) is fixed on transverse slipway (13) by model casing fixed block (12), described transverse hydraulic cylinder (14) two ends are connected with model casing fixed block (12), described transverse slipway (13) is connected with pedestal (1),
Transverse hydraulic cylinder (14) drives rock sample (11) to-and-fro movement in horizontal plane, vertical hydraulic cylinder (3) drives cutter ring sample (9) to move up and down in vertical plane, cutter ring test specimen (9) realizes reciprocating rolling with rock sample (11) to-and-fro movement, and by its anti-wear performance of test system and test.
2. a kind of development machine disk cutter wearability test device according to claim 1, it is characterized in that, described vertical hydraulic cylinder (3) adopts double-piston rod-type hydraulic cylinder, it connects vertical stressed cushion block (5), and drives vertical stressed cushion block (5) to drive cutter ring sample (9) vertical movement and load to apply.
3. a kind of development machine disk cutter wearability test device according to claim 1, it is characterized in that, described transverse hydraulic cylinder (14) adopts the fixed through-rod piston cylinder of cylinder barrel, its cylinder body is connected with pedestal (1), its piston rod two ends are connected with model casing fixed block (12), and transverse hydraulic cylinder (14) driving model case fixed block (12) drives rock sample (11) traverse motion.
4. a kind of development machine disk cutter wearability test device according to claim 1, it is characterized in that, described cutter ring sample (9) is connected with class cutter hub (7) by cutter ring fixture (8), class cutter hub (7) top is provided with the axis hole be connected with bearing (6), and class cutter hub (7) is around bearing (6) central axis.
5. a kind of development machine disk cutter wearability test device according to claim 1, it is characterized in that, described transverse hydraulic cylinder (14) has outer displacement sensor, is used for measuring traverse motion distance; Vertical hydraulic cylinder (3) and transverse hydraulic cylinder (14) are imported and exported on oil circuit and pressure transducer are housed, and are used for measuring the pressure of vertical hydraulic cylinder and transverse hydraulic cylinder.
6. the application of a development machine disk cutter wearability test device as claimed in claim 1, it is characterized in that, vertical hydraulic cylinder (3) promotes class cutter hub (7), take off model casing (10), prefabricated key rock sample (11) is put into model casing (10) and is fixed on model casing fixed block (12), cutter ring sample (9) is fixed on class cutter hub (7), vertical hydraulic cylinder (3) drives cutter ring sample (9) vertical movement, cutter ring sample (9) is made to contact with rock sample (11) and set constant perpendicular pressure, start transverse hydraulic cylinder (14), rock sample (11) and cutter ring sample (9) is driven to produce progressive rolling movement rubbing action, by test system and test hobboing cutter cutter ring wearing quality.
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| CN201510019248.7A CN104614265B (en) | 2015-01-14 | 2015-01-14 | Device for testing wear resistance of disc cutter of TBM (tunnel boring machine) and application |
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| CN201510019248.7A CN104614265B (en) | 2015-01-14 | 2015-01-14 | Device for testing wear resistance of disc cutter of TBM (tunnel boring machine) and application |
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| CN104614265A true CN104614265A (en) | 2015-05-13 |
| CN104614265B CN104614265B (en) | 2017-02-22 |
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Cited By (11)
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|---|---|---|---|---|
| CN105181503A (en) * | 2015-10-10 | 2015-12-23 | 中铁隧道集团有限公司 | Hob composite abrasion experiment instrument |
| CN105973738A (en) * | 2016-05-06 | 2016-09-28 | 中南大学 | Abrasiveness testing method of rock on tunnel boring machine (TBM) disc cutter ring |
| CN106018142A (en) * | 2016-05-06 | 2016-10-12 | 中南大学 | Method for testing abrasion resistance of TBM hobbing cutter ring |
| CN106248515A (en) * | 2016-08-19 | 2016-12-21 | 中铁隧道集团有限公司 | A kind of shield TBM hob abrasion Forecasting Methodology |
| CN109612861A (en) * | 2018-12-06 | 2019-04-12 | 祝汪林 | A kind of textile cloth wearability test machine |
| CN109877650A (en) * | 2019-04-15 | 2019-06-14 | 重庆大学 | A kind of sheared blank cutter life prediction technique |
| 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 |
| CN110672248A (en) * | 2019-06-26 | 2020-01-10 | 中南大学 | Shield hob bidirectional force detection method based on abrasion detection device |
| CN112630017A (en) * | 2020-12-18 | 2021-04-09 | 湘潭大学 | TBM hobbing cutter ring-rock opposite grinding test device |
| 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 |
| 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 |
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| CN105181503B (en) * | 2015-10-10 | 2017-12-05 | 中铁隧道集团有限公司 | The compound abrasion experiment instrument of hobboing cutter |
| CN105181503A (en) * | 2015-10-10 | 2015-12-23 | 中铁隧道集团有限公司 | Hob composite abrasion experiment instrument |
| CN105973738A (en) * | 2016-05-06 | 2016-09-28 | 中南大学 | Abrasiveness testing method of rock on tunnel boring machine (TBM) disc cutter ring |
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| CN106248515A (en) * | 2016-08-19 | 2016-12-21 | 中铁隧道集团有限公司 | A kind of shield TBM hob abrasion Forecasting Methodology |
| CN109612861A (en) * | 2018-12-06 | 2019-04-12 | 祝汪林 | A kind of textile cloth wearability test machine |
| CN109612861B (en) * | 2018-12-06 | 2021-06-15 | 祝汪林 | Textile fabric wear resistance test machine |
| CN109877650B (en) * | 2019-04-15 | 2021-01-29 | 重庆大学 | Method for predicting service life of bar shearing tool |
| CN109877650A (en) * | 2019-04-15 | 2019-06-14 | 重庆大学 | A kind of sheared blank cutter life prediction technique |
| 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 |
| 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 |
| CN110672248A (en) * | 2019-06-26 | 2020-01-10 | 中南大学 | Shield hob bidirectional force detection method based on abrasion detection device |
| CN112630017A (en) * | 2020-12-18 | 2021-04-09 | 湘潭大学 | TBM hobbing cutter ring-rock opposite grinding test device |
| 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 |
| 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 |
| 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 |
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