CN103452567B - The hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine - Google Patents
The hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine Download PDFInfo
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- CN103452567B CN103452567B CN201310430384.6A CN201310430384A CN103452567B CN 103452567 B CN103452567 B CN 103452567B CN 201310430384 A CN201310430384 A CN 201310430384A CN 103452567 B CN103452567 B CN 103452567B
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- China
- Prior art keywords
- hobboing cutter
- mounting blocks
- core shaft
- bearing core
- cutter bearing
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Abstract
The invention discloses a kind of hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine, comprise hobboing cutter bearing core shaft and supporting base thereof, supporting base is provided with two supporting side plates corresponding respectively with hobboing cutter bearing core shaft both ends, two supporting side plates are respectively supported with an end of hobboing cutter bearing core shaft, the both ends of hobboing cutter bearing core shaft are respectively connected with the supporting side plate of respective end by a mounting blocks, mounting blocks is the cylinder with three sides, cross section is equilateral triangle, the center of the axis runout mounting blocks of hobboing cutter bearing core shaft, and pass through a bight of mounting blocks, supporting side plate is provided with the support draw-in groove of mounting blocks, wedge is fastened with between a side of mounting blocks and the sidewall supporting draw-in groove.The present invention can enable hobboing cutter setting height(from bottom) be adjusted in the confined space, avoids eccentric wear phenomenon, reduces the accidental damage of cutter, increases cutter life.
Description
Technical field
The invention belongs to hard rock tunnel development machine technical field of engineering machinery, particularly a kind of hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine.
Background technology
The main dependence of tunneling boring hard rock mole (TBM) is arranged on the disk cutter on cutterhead and carries out roll extrusion fragmentation to the rock stratum of excavation face.In work progress, cutter is vulnerable part, often needs to change.Because the installation radius of hobboing cutter different on TBM cutterhead is different, causes often different for the wear extent of cutter, eccentric wear phenomenon will be produced for a long time.Simultaneously in order to avoid TBM vibration, disk cutter is given prominence within cutterhead is limited to certain altitude, makes the wear extent of TBM hob limited.Existing hobboing cutter mounting structure can not regulate the setting height(from bottom) of hobboing cutter, hobboing cutter setting height(from bottom) can not be adjusted according to particular case, increase the possibility of hobboing cutter abnormal damage.Therefore developing a kind of TBM hob installation site adjust structure is the new problem being badly in need of both at home and abroad solving.
Summary of the invention
The present invention provides a kind of hobboing cutter installation site adjust structure that can adjust the tunneling boring hard rock tunnel development machine of hobboing cutter setting height(from bottom) for solving in known technology the technical problem that exists.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is: a kind of hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine, comprise hobboing cutter bearing core shaft and supporting base thereof, described supporting base is fixed in cutterhead mouth, described supporting base is provided with two supporting side plates corresponding respectively with described hobboing cutter bearing core shaft both ends, two described supporting side plates are respectively supported with an end of described hobboing cutter bearing core shaft, the both ends of described hobboing cutter bearing core shaft are respectively connected with the described supporting side plate of respective end by a mounting blocks, described hobboing cutter bearing core shaft and described mounting blocks interference fit, described mounting blocks is the cylinder with three sides, cross section is equilateral triangle, and these leg-of-mutton adjacent both sides are connected by transition arc, the equilateral triangle cross-section center of mounting blocks described in the axis runout of described hobboing cutter bearing core shaft, and the axis of described hobboing cutter bearing core shaft is by a bight of the equilateral triangle cross section of described mounting blocks, described supporting side plate is provided with the support draw-in groove of described mounting blocks, the limited impression of described mounting blocks is provided with in the bottom of a sidewall of described support draw-in groove, two sides of described mounting blocks are inlaid in described limited impression adaptedly, wedge is fastened with between the another one side of described mounting blocks and another sidewall of described support draw-in groove, described wedge is fixed on described supporting side plate by bolt.
The advantage that the present invention has and good effect are: be biased on mounting blocks by adopting hobboing cutter bearing core shaft, the setting angle of mounting blocks is adjustable, the structure that mounting blocks adopts wedge fastening, hobboing cutter setting height(from bottom) is adjusted in the confined space, can effectively avoid eccentric wear phenomenon, reduce the accidental damage of cutter.Simultaneously owing to can adjust the setting height(from bottom) of hobboing cutter, what effectively can increase hobboing cutter can wear extent, and increase cutter life, reduce and change the cutter time used, to sum up the present invention can shorten the engineering time, has certain application prospect in future.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is the lateral view of Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 1;
Fig. 5-1 is the schematic diagram of the initial setting height(from bottom) of hobboing cutter of the present invention;
Fig. 5-2 is the schematic diagram that the present invention adjusts rear hobboing cutter setting height(from bottom) for the first time;
The schematic diagram of the highest hobboing cutter setting height(from bottom) that Fig. 5-3 can realize for the present invention;
Fig. 6 is the relation schematic diagram of hobboing cutter adjustment height of the present invention and hobboing cutter bearing core shaft eccentric throw.
In figure: 1, wedge, 2, bolt, 3, nut, 4, hobboing cutter, 5, supporting base, 5-1, supporting side plate, 6, hobboing cutter bearing core shaft, 7, mounting blocks, 8, cutterhead mouth.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 ~ Fig. 4, a kind of hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine, comprise hobboing cutter bearing core shaft 6 and supporting base 5 thereof, described supporting base 5 is fixed in cutterhead mouth 8, described supporting base 5 is provided with two the supporting side plate 5-1s corresponding respectively with described hobboing cutter bearing core shaft 6 both ends, two described supporting side plate 5-1 are respectively supported with an end of described hobboing cutter bearing core shaft 6, the both ends of described hobboing cutter bearing core shaft 6 are respectively connected with the described supporting side plate 5-1 of respective end by a mounting blocks 7, described hobboing cutter bearing core shaft 6 and described mounting blocks 7 interference fit, described mounting blocks 7 is for having the cylinder of three sides, cross section is equilateral triangle, and these leg-of-mutton adjacent both sides are connected by transition arc, the center of the equilateral triangle cross section of mounting blocks 7 described in the axis runout of described hobboing cutter bearing core shaft 6, and the axis of described hobboing cutter bearing core shaft 6 is by a bight of the equilateral triangle cross section of described mounting blocks 7, described supporting side plate 5-1 is provided with the support draw-in groove of described mounting blocks 7, the limited impression of described mounting blocks is provided with in the bottom of a sidewall of described support draw-in groove, two sides of described mounting blocks 7 are inlaid in described limited impression adaptedly, wedge 1 is fastened with between the another one side of described mounting blocks 7 and another sidewall of described support draw-in groove, described wedge 1 is fixed on described supporting side plate 5-1 by bolt 2 and nut 3.
The detailed process adopting said structure to carry out installation site adjustment to the hobboing cutter 4 be arranged on described hobboing cutter bearing core shaft 6 is as follows: first according to the abrasion condition of surrounding hobboing cutter on cutterhead, determine the optimum setting angle of mounting blocks 7.Unclamping bolt 2, by adjusting the setting angle of mounting blocks 7, just can complete the switching of hobboing cutter 4 setting height(from bottom).Avoid the generation of eccentric wear phenomenon.The detailed process of carrying out the adjustment of hobboing cutter installation site is as follows: the initial makeup location of hobboing cutter 4 is as Fig. 5-1, and hobboing cutter knife up is minimum, and stability is best; After wearing and tearing after a while, the knife up of initial makeup location diminishes.Unclamp bolt 2, the setting angle of adjustment mounting blocks 7 is to the first adjustment position as shown in Fig. 5-2.In like manner, then through wearing and tearing after a while, mounting blocks 7 is transferred to as shown in Fig. 5-3, finally adjusts position.
Mounting blocks is made similar prismatoidal structure by the present embodiment, and the limited impression matched with two sides of mounting blocks is set in supporting side plate, to be contacted with supporting side plate by two planes and locate, 3rd plane of mounting blocks contacts with the side of wedge, wedge is bolted on supporting side plate, and mounting blocks is fastened on supporting side plate by wedge.Hobboing cutter bearing core shaft not by the center of mounting blocks, and adopts biased structure, by adjusting the setting angle of mounting blocks, being contacted, can realize the adjustment of hobboing cutter setting height(from bottom) by its different side with wedge type block.
By adjusting the setting height(from bottom) of hobboing cutter, what effectively can increase hobboing cutter can wear area, as shown in Fig. 5-1 ~ Fig. 5-3.If the setting height(from bottom) of hobboing cutter is non-adjustable, so, just as shown in fig. 5-1, Fig. 5-3 is the highest hobboing cutter setting height(from bottom) that can realize after the adjustment of position to the setting height(from bottom) of hobboing cutter, can obviously find out, through mounting and adjusting, and can wear area becoming greatly of hobboing cutter.Simultaneously, the distance that can depart from mounting blocks center by changing hobboing cutter bearing core shaft realizes the setting height(from bottom) change of hobboing cutter, as shown in Figure 6, the mounting blocks that shape and size are all identical and hobboing cutter bearing core shaft, hobboing cutter bearing core shaft departs from the distance s2 > s1 at mounting blocks center, the setting height(from bottom) changing value h2 > h1 of hobboing cutter.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (1)
1. the hobboing cutter installation site adjust structure of a tunneling boring hard rock tunnel development machine, it is characterized in that, comprise hobboing cutter bearing core shaft and supporting base thereof, described supporting base is fixed in cutterhead mouth, described supporting base is provided with two supporting side plates corresponding respectively with described hobboing cutter bearing core shaft both ends, two described supporting side plates are respectively supported with an end of described hobboing cutter bearing core shaft, the both ends of described hobboing cutter bearing core shaft are respectively connected with the described supporting side plate of respective end by a mounting blocks, described hobboing cutter bearing core shaft and described mounting blocks interference fit, described mounting blocks is the cylinder with three sides, cross section is equilateral triangle, and these leg-of-mutton adjacent both sides are connected by transition arc, the equilateral triangle cross-section center of mounting blocks described in the axis runout of described hobboing cutter bearing core shaft, and the axis of described hobboing cutter bearing core shaft is by a bight of the equilateral triangle cross section of described mounting blocks, described supporting side plate is provided with the support draw-in groove of described mounting blocks, the limited impression of described mounting blocks is provided with in the bottom of a sidewall of described support draw-in groove, two sides of described mounting blocks are inlaid in described limited impression adaptedly, wedge is fastened with between the another one side of described mounting blocks and another sidewall of described support draw-in groove, described wedge is fixed on described supporting side plate by bolt, the side of described mounting blocks contacts with described wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430384.6A CN103452567B (en) | 2013-09-18 | 2013-09-18 | The hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430384.6A CN103452567B (en) | 2013-09-18 | 2013-09-18 | The hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine |
Publications (2)
| Publication Number | Publication Date |
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| CN103452567A CN103452567A (en) | 2013-12-18 |
| CN103452567B true CN103452567B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310430384.6A Expired - Fee Related CN103452567B (en) | 2013-09-18 | 2013-09-18 | The hobboing cutter installation site adjust structure of tunneling boring hard rock tunnel development machine |
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| CN (1) | CN103452567B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747198A (en) * | 2013-12-26 | 2015-07-01 | 江苏凯宫隧道机械有限公司 | Cutter disc and shield tunneling machine |
| CN106401595B (en) * | 2016-10-31 | 2018-11-13 | 中铁隧道局集团有限公司 | The method for arranging of the hobboing cutter of reinforcement in concrete is directly cut in shield machine |
| CN107740696A (en) * | 2017-10-24 | 2018-02-27 | 天津大学 | A kind of adjustable mounting structure in hobboing cutter position |
| CN110295919B (en) * | 2019-07-10 | 2020-06-26 | 盾构及掘进技术国家重点实验室 | Cutter holder structure for mounting hob |
| CN110374622B (en) * | 2019-09-02 | 2020-11-06 | 盾构及掘进技术国家重点实验室 | Cutter holder for preventing hob from eccentric wear |
| CN114043289B (en) * | 2021-11-26 | 2022-09-20 | 盾构及掘进技术国家重点实验室 | Quick cutter replacing device based on double-cam structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073688A (en) * | 1998-09-01 | 2000-03-07 | Kawasaki Heavy Ind Ltd | Cutter device of shield excavation machine |
| JP2001152788A (en) * | 1999-11-26 | 2001-06-05 | Nishimatsu Constr Co Ltd | Excavator |
| CN101440710A (en) * | 2008-12-23 | 2009-05-27 | 沈阳重型机械集团有限责任公司 | Shield machine roller cutter back mounting type self-positioning fixing device |
| CN202055831U (en) * | 2011-03-24 | 2011-11-30 | 山东天工岩土工程设备有限公司 | Trapezoidal shaft type mounting and locking mechanism for disc cutter |
| CN203570319U (en) * | 2013-09-18 | 2014-04-30 | 天津大学 | Structure for adjusting height of heading machine hob |
-
2013
- 2013-09-18 CN CN201310430384.6A patent/CN103452567B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073688A (en) * | 1998-09-01 | 2000-03-07 | Kawasaki Heavy Ind Ltd | Cutter device of shield excavation machine |
| JP2001152788A (en) * | 1999-11-26 | 2001-06-05 | Nishimatsu Constr Co Ltd | Excavator |
| CN101440710A (en) * | 2008-12-23 | 2009-05-27 | 沈阳重型机械集团有限责任公司 | Shield machine roller cutter back mounting type self-positioning fixing device |
| CN202055831U (en) * | 2011-03-24 | 2011-11-30 | 山东天工岩土工程设备有限公司 | Trapezoidal shaft type mounting and locking mechanism for disc cutter |
| CN203570319U (en) * | 2013-09-18 | 2014-04-30 | 天津大学 | Structure for adjusting height of heading machine hob |
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| Publication number | Publication date |
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| CN103452567A (en) | 2013-12-18 |
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Granted publication date: 20160302 Termination date: 20200918 |
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