CN110132780A - A kind of simulating cut verifying attachment of Rock cutting cutter - Google Patents
A kind of simulating cut verifying attachment of Rock cutting cutter Download PDFInfo
- Publication number
- CN110132780A CN110132780A CN201910322292.3A CN201910322292A CN110132780A CN 110132780 A CN110132780 A CN 110132780A CN 201910322292 A CN201910322292 A CN 201910322292A CN 110132780 A CN110132780 A CN 110132780A
- Authority
- CN
- China
- Prior art keywords
- array distribution
- hobboing cutter
- experiment porch
- rock
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G01N3/58—Investigating machinability by cutting tools; Investigating the cutting ability of tools
Abstract
The present invention discloses a kind of simulating cut verifying attachment of Rock cutting cutter, including bottom fixed station, the bottom fixed station is equipped with experiment porch, experiment porch is equipped with experimental provision, bottom fixed station is equipped with the sliding rail of array distribution, the hydraulic cylinder of array distribution is additionally provided on the fixed station of bottom, hydraulic cylinder is equipped with piston rod, bottom fixed station lower end is equipped with the resilient cushion of array distribution, bottom fixed station is equipped with rock beam fixed plate, rock beam fixed plate is equipped with rounded groove, rock beam slot is equipped in rock beam fixed plate, experiment porch lower end is equipped with the sliding-rail groove of array distribution, sliding rail is in sliding-rail groove, experiment porch one end is equipped with push plate, experiment porch is equipped with motor fixing plate, motor fixing plate is equipped with the servo motor of array distribution, turntable fixed plate is additionally provided on experiment porch, servo motor is equipped with drive rod, drive rod is equipped with gear, turn Disk fixed plate is equipped with bearing hole.Operation of the present invention is simple, can carry out hobboing cutter test in batches, improve hobboing cutter detection efficiency.
Description
Technical field
The present invention relates to a kind of shield machine field, the simulating cut verifying attachment of specifically a kind of Rock cutting cutter.
Background technique
Shield machine is a kind of rock tunnel(ling) machine using shield method.The construction method of shield is development machine structure while driving
It builds and is laid with tunnel its " shield ", it is different from open type construction method.In the world, broad sense shield machine can be used for lithostratigraphy, only
It is the rock tunnel(ling) machine for being different from open type.And in China, the rock tunnel(ling) machine for being used for soft soil layer is traditionally known as shield
Machine will be used for the TBM that is known as of lithostratigraphy, and a part uses shield method in rock tunnel(ling) machine, and a part is constructed using open type
Method, with the machinery of shield method carries out tunnel construction with high degree of automation, save manpower, speed of application fastly, a cavitation, no
Climate can control surface subsidence, reduces the influence to above ground structure and not influence ground when excavating under water when influencing, excavating
The features such as face traffic, tunnel line is longer, in the biggish situation of buried depth, with shield machine construction more economical rationality., shield machine
Basic functional principle be exactly that the steel component an of cylindrical body excavates soil when pushing ahead along canal axes.The circle
Shell, that is, shield of cylindrical member, it plays a part of temporary support to the also unlined Tunnel Section excavated, and bears surrounding
The pressure of soil layer, sometimes outside also subject to ground water pressure and by underground water gear.The operations such as excavation, casting, lining cutting are in shield
Shielding under carry out, shield machine roller cutter be shield machine driving when important component, hobboing cutter produce after, need to carry out batch
Test, to confirm hobboing cutter quality, structure is complicated for existing test device, is not easy to operating personnel's operation, and tests primary
It can be carried out a test, very inconvenient, not only testing efficiency is low, while increasing the burden of operating personnel, for this feelings
A kind of condition, it is proposed that simulating cut verifying attachment of Rock cutting cutter.
Summary of the invention
The purpose of the present invention is to provide a kind of simulating cut verifying attachments of Rock cutting cutter, and structure is simple, operation
It is convenient, without to operating personnel carry out Special Training, improve the practicability of equipment, can the multiple hobboing cutters of disposable test, mention
High testing efficiency, while avoiding hobboing cutter and repeatedly installing, the labor intensity of operating personnel is reduced, test can be according to different need
The occasion wanted, the test of different demands can be carried out by only needing to change different types of rock beam, and practicability is high.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of simulating cut verifying attachment of Rock cutting cutter, including bottom fixed station, the bottom fixed station are equipped with real
Platform is tested, experiment porch is equipped with experimental provision, and bottom fixed station is equipped with the sliding rail of array distribution, is additionally provided with battle array on the fixed station of bottom
The hydraulic cylinder of column distribution, hydraulic cylinder are equipped with piston rod, and bottom fixed station lower end is equipped with the resilient cushion of array distribution, on the fixed station of bottom
Equipped with rock beam fixed plate, rock beam fixed plate is equipped with rounded groove, is equipped with rock beam slot in rock beam fixed plate.
Further, the experiment porch lower end is equipped with the sliding-rail groove of array distribution, and sliding rail is in sliding-rail groove, experiment porch
One end is equipped with push plate, and experiment porch is equipped with motor fixing plate, and motor fixing plate is equipped with the servo motor of array distribution, experiment
Turntable fixed plate is additionally provided on platform, servo motor is equipped with drive rod, and drive rod is equipped with gear, and turntable fixed plate is equipped with
Bearing hole.
Further, the experimental provision includes driving end, drives and is equipped with inner gear ring, inner gear ring and gear phase in end
Mutually cooperation, driving end one end are equipped with the first connecting column of array distribution, and the first connection top end is equipped with turntable, and turntable is fixed on axis
In bearing bore, turntable one end is equipped with the second connecting column, and the second connection top end is equipped with hobboing cutter fixed disk, hobboing cutter fixed disk center
Equipped with centralized positioning block, hobboing cutter fixed disk is equipped with the hobboing cutter fixed block of axial array distribution, and hobboing cutter fixed block is equipped with array
The fixture block of distribution is additionally provided with hobboing cutter on hobboing cutter fixed block.
Further, hob groove is equipped in the hobboing cutter fixed block, the hobboing cutter that hobboing cutter fixed block is equipped with array distribution is solid
Determine slot, hobboing cutter fixing groove two sides are equipped with the first positioning hole of array distribution.
Further, the fixture block lower end is equipped with jacking block, and jacking block is equipped with inverted draw cut, and fixture block is equipped with the second of array distribution
Location hole.
Further, the hobboing cutter is equipped with blade, and hobboing cutter both ends are equipped with card column.
Beneficial effects of the present invention:
1, the configuration of the present invention is simple, it is convenient to operate, and without carrying out Special Training to operating personnel, improves the practical of equipment
Property；
2, the present invention can the multiple hobboing cutters of disposable test, improve testing efficiency, while avoiding hobboing cutter and repeatedly installing,
Reduce the labor intensity of operating personnel；
3, present invention test can be according to the occasion of different needs, and different need can be carried out by only needing to change different types of rock beam
The test asked, practicability are high.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the simulating cut verifying attachment structural schematic diagram of Rock cutting cutter of the present invention；
Fig. 2 is the simulating cut verifying attachment partial structure diagram of Rock cutting cutter of the present invention；
Fig. 3 is fixed station structural schematic diagram in bottom of the present invention；
Fig. 4 is the simulating cut verifying attachment partial structure diagram of Rock cutting cutter of the present invention；
Fig. 5 is the simulating cut verifying attachment partial structure diagram of Rock cutting cutter of the present invention；
Fig. 6 is hobboing cutter fixed-block-architecture (FBA) schematic diagram of the present invention；
Fig. 7 is fixture block structural schematic diagram of the present invention；
Fig. 8 is hob-cutter structure schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
A kind of simulating cut verifying attachment of Rock cutting cutter, including bottom fixed station 1, as shown in Figure 1, Figure 3, bottom is fixed
Platform 1 is equipped with experiment porch 2, and experiment porch 2 is equipped with experimental provision 3, and bottom fixed station 1 is equipped with the sliding rail 11 of array distribution,
The hydraulic cylinder 12 of array distribution is additionally provided on bottom fixed station 1, hydraulic cylinder 12 is equipped with piston rod 121, and fixed station 1 lower end in bottom is equipped with
The resilient cushion 13 of array distribution, bottom fixed station 1 are equipped with rock beam fixed plate 14, and rock beam fixed plate 14 is equipped with rounded groove 141,
Rock beam slot 142 is equipped in rock beam fixed plate 14.
2 lower end of experiment porch is equipped with the sliding-rail groove 21 of array distribution, and sliding rail 11 is in sliding-rail groove 21,2 one end of experiment porch
Equipped with push plate 22, as shown in Fig. 2, experiment porch 2 is equipped with motor fixing plate 23, motor fixing plate 23 is equipped with array distribution
Servo motor 25, turntable fixed plate 24 is additionally provided on experiment porch 2, and servo motor 25 is equipped with drive rod 251, drive rod 251
It is equipped with gear 252, turntable fixed plate 24 is equipped with bearing hole 241.
Experimental provision 3 includes driving end 31, and as shown in Fig. 2, Fig. 4, Fig. 5, inner gear ring 311 is equipped in driving end 31, interior
Gear ring 311 and gear 252 cooperate, and driving 31 one end of end is equipped with the first connecting column 32 of array distribution, the first connecting column
32 tops are equipped with turntable 33, and turntable 33 is fixed in bearing hole 241, and 33 one end of turntable is equipped with the second connecting column 34, the second connection
34 top of column is equipped with hobboing cutter fixed disk 35, and 35 center of hobboing cutter fixed disk is equipped with centralized positioning block 351, in hobboing cutter fixed disk 35
Hobboing cutter fixed block 36 equipped with axial array distribution, hobboing cutter fixed block 36 are equipped with the fixture block 37 of array distribution, hobboing cutter fixed block
Hobboing cutter 38 is additionally provided on 36.
Hob groove 361 is equipped in hobboing cutter fixed block 36, as shown in fig. 6, hobboing cutter fixed block 36 is equipped with the rolling of array distribution
Knife fixing groove 362,362 two sides of hobboing cutter fixing groove are equipped with the first positioning hole 363 of array distribution.
37 lower end of fixture block is equipped with jacking block 371, as shown in fig. 7, jacking block 371 is equipped with inverted draw cut 372, fixture block 37 is equipped with array
The second location hole 373 of distribution.
Hobboing cutter 38 is equipped with blade 381, as shown in figure 8,38 both ends of hobboing cutter are equipped with card column 382.
Screw 39 is equipped in first positioning hole 363 and second location hole 373.
In use, hobboing cutter 38 is fixed in hobboing cutter fixing groove 362 using fixture block, start servo motor 25, turntable 33 exists
Rotation in bearing hole 241, starts hydraulic cylinder 12, and piston rod 121 pushes push plate 22, rock beam is put into rock beam slot 142, hobboing cutter 38
Advance, hobboing cutter fixed disk 35 rotates forward, and 38 chip rock beam of hobboing cutter is tested.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (6)
1. a kind of simulating cut verifying attachment of Rock cutting cutter, including bottom fixed station (1), which is characterized in that the bottom is solid
Platform (1) is determined equipped with experiment porch (2), and experiment porch (2) is equipped with experimental provision (3), and bottom fixed station (1) is equipped with array point
The sliding rail (11) of cloth, the hydraulic cylinder (12) of array distribution is additionally provided on bottom fixed station (1), and hydraulic cylinder (12) is equipped with piston rod
(121), fixed station (1) lower end in bottom is equipped with the resilient cushion (13) of array distribution, and bottom fixed station (1) is equipped with rock beam fixed plate
(14), rock beam fixed plate (14) is equipped with rounded groove (141), is equipped with rock beam slot (142) in rock beam fixed plate (14).
2. a kind of simulating cut verifying attachment of Rock cutting cutter according to claim 1, which is characterized in that the reality
The sliding-rail groove (21) that platform (2) lower end is equipped with array distribution is tested, sliding rail (11) is in sliding-rail groove (21), experiment porch (2) one end
Equipped with push plate (22), experiment porch (2) is equipped with motor fixing plate (23), and motor fixing plate (23) is equipped with watching for array distribution
It takes motor (25), is additionally provided on experiment porch (2) turntable fixed plate (24), servo motor (25) is equipped with drive rod (251), drives
Lever (251) is equipped with gear (252), and turntable fixed plate (24) is equipped with bearing hole (241).
3. a kind of simulating cut verifying attachment of Rock cutting cutter according to claim 1, which is characterized in that the reality
Experiment device (3) includes driving end (31), is equipped with inner gear ring (311), inner gear ring (311) and gear in driving end (31)
(252) it cooperates, driving end (31) one end is equipped with the first connecting column (32) of array distribution, and the first connecting column (32) top is set
Have turntable (33), turntable (33) is fixed in bearing hole (241), and turntable (33) one end is equipped with the second connecting column (34), and second connects
Column (34) top is connect equipped with hobboing cutter fixed disk (35), hobboing cutter fixed disk (35) center is equipped with centralized positioning block (351), hobboing cutter
Fixed disk (35) is equipped with the hobboing cutter fixed block (36) of axial array distribution, and hobboing cutter fixed block (36) is equipped with the card of array distribution
Block (37) is additionally provided with hobboing cutter (38) on hobboing cutter fixed block (36).
4. a kind of simulating cut verifying attachment of Rock cutting cutter according to claim 3, which is characterized in that the rolling
Hob groove (361) are equipped in knife fixed block (36), hobboing cutter fixed block (36) is equipped with the hobboing cutter fixing groove (362) of array distribution,
Hobboing cutter fixing groove (362) two sides are equipped with the first positioning hole (363) of array distribution.
5. a kind of simulating cut verifying attachment of Rock cutting cutter according to claim 3, which is characterized in that the card
Block (37) lower end is equipped with jacking block (371), and jacking block (371) is equipped with inverted draw cut (372), and fixture block (37) is equipped with the second of array distribution
Location hole (373).
6. a kind of simulating cut verifying attachment of Rock cutting cutter according to claim 3, which is characterized in that the rolling
Knife (38) is equipped with blade (381), and hobboing cutter (38) both ends are equipped with card column (382).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322292.3A CN110132780A (en) | 2019-04-22 | 2019-04-22 | A kind of simulating cut verifying attachment of Rock cutting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910322292.3A CN110132780A (en) | 2019-04-22 | 2019-04-22 | A kind of simulating cut verifying attachment of Rock cutting cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110132780A true CN110132780A (en) | 2019-08-16 |
Family
ID=67570551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910322292.3A Pending CN110132780A (en) | 2019-04-22 | 2019-04-22 | A kind of simulating cut verifying attachment of Rock cutting cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110132780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146867A (en) * | 2020-10-13 | 2020-12-29 | 中铁隧道局集团有限公司 | Simulation experiment platform for compounding high-pressure water jet with hob |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299013A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Tool bit rock breaking mechanism and abrasion tester |
| CN101446536A (en) * | 2008-11-10 | 2009-06-03 | 中南大学 | Position adjustable multi-hob rotary cutting test-bench |
| CN202195994U (en) * | 2011-07-21 | 2012-04-18 | 洛阳九久技术开发有限公司 | Test-bed device for cutter of shield machine |
| CN202221392U (en) * | 2011-08-26 | 2012-05-16 | 中铁隧道集团有限公司 | Adjusting structure of hobbing cutter holder of core breaking testing machine of TBM (Tunnel Boring Machine) |
| CN204098919U (en) * | 2014-08-04 | 2015-01-14 | 武汉江钻工程钻具有限责任公司 | The detachable disk cutter of a kind of back-up ring |
| CN104316338A (en) * | 2014-09-26 | 2015-01-28 | 浙江工业大学 | Shield tunneling machine test experimental device |
| CN104807662A (en) * | 2015-04-23 | 2015-07-29 | 天津大学 | Experiment table for simulating real working condition of TBM (Tunnel Boring Machine) construction work |
| CN105114086A (en) * | 2015-08-28 | 2015-12-02 | 重庆市腾瀚工贸有限公司 | Hob mounting structure of shield tunneling machine |
| CN105181503A (en) * | 2015-10-10 | 2015-12-23 | 中铁隧道集团有限公司 | Hob composite abrasion experiment instrument |
| CN105758757A (en) * | 2016-04-13 | 2016-07-13 | 辽宁工程技术大学 | Coal-rock cutting experiment device and method |
| CN107313782A (en) * | 2017-07-14 | 2017-11-03 | 中国铁建重工集团有限公司 | A kind of hob holder |
| CN107356383A (en) * | 2017-07-18 | 2017-11-17 | 东北大学 | A kind of shield machine cutter abrasion testing machine |
| CN108225929A (en) * | 2017-12-15 | 2018-06-29 | 山东大学 | Block splits rock excavation disturbance and development machine shield load-bearing monitor model assay systems and method |
| CN109142121A (en) * | 2018-09-30 | 2019-01-04 | 长沙学院 | A kind of shield cutter material wear test platform |
| 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 |
| CN109506925A (en) * | 2019-01-26 | 2019-03-22 | 湘潭大学 | A kind of TBM hob sound loaded line cutting test platform |
-
2019
- 2019-04-22 CN CN201910322292.3A patent/CN110132780A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299013A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Tool bit rock breaking mechanism and abrasion tester |
| CN101446536A (en) * | 2008-11-10 | 2009-06-03 | 中南大学 | Position adjustable multi-hob rotary cutting test-bench |
| CN202195994U (en) * | 2011-07-21 | 2012-04-18 | 洛阳九久技术开发有限公司 | Test-bed device for cutter of shield machine |
| CN202221392U (en) * | 2011-08-26 | 2012-05-16 | 中铁隧道集团有限公司 | Adjusting structure of hobbing cutter holder of core breaking testing machine of TBM (Tunnel Boring Machine) |
| CN204098919U (en) * | 2014-08-04 | 2015-01-14 | 武汉江钻工程钻具有限责任公司 | The detachable disk cutter of a kind of back-up ring |
| CN104316338A (en) * | 2014-09-26 | 2015-01-28 | 浙江工业大学 | Shield tunneling machine test experimental device |
| CN104807662A (en) * | 2015-04-23 | 2015-07-29 | 天津大学 | Experiment table for simulating real working condition of TBM (Tunnel Boring Machine) construction work |
| CN105114086A (en) * | 2015-08-28 | 2015-12-02 | 重庆市腾瀚工贸有限公司 | Hob mounting structure of shield tunneling machine |
| CN105181503A (en) * | 2015-10-10 | 2015-12-23 | 中铁隧道集团有限公司 | Hob composite abrasion experiment instrument |
| CN105758757A (en) * | 2016-04-13 | 2016-07-13 | 辽宁工程技术大学 | Coal-rock cutting experiment device and method |
| CN107313782A (en) * | 2017-07-14 | 2017-11-03 | 中国铁建重工集团有限公司 | A kind of hob holder |
| CN107356383A (en) * | 2017-07-18 | 2017-11-17 | 东北大学 | A kind of shield machine cutter abrasion testing machine |
| CN108225929A (en) * | 2017-12-15 | 2018-06-29 | 山东大学 | Block splits rock excavation disturbance and development machine shield load-bearing monitor model assay systems and method |
| CN109142121A (en) * | 2018-09-30 | 2019-01-04 | 长沙学院 | A kind of shield cutter material wear test platform |
| 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 |
| CN109506925A (en) * | 2019-01-26 | 2019-03-22 | 湘潭大学 | A kind of TBM hob sound loaded line cutting test platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146867A (en) * | 2020-10-13 | 2020-12-29 | 中铁隧道局集团有限公司 | Simulation experiment platform for compounding high-pressure water jet with hob |
| CN112146867B (en) * | 2020-10-13 | 2022-04-29 | 中铁隧道局集团有限公司 | Simulation experiment platform for compounding high-pressure water jet with hob |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190816 |