CN104476001A - Location installation method of earth pressure balance shield machine tool - Google Patents
Location installation method of earth pressure balance shield machine tool Download PDFInfo
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- CN104476001A CN104476001A CN201410770496.0A CN201410770496A CN104476001A CN 104476001 A CN104476001 A CN 104476001A CN 201410770496 A CN201410770496 A CN 201410770496A CN 104476001 A CN104476001 A CN 104476001A
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- cutter
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- cutterhead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/20—Tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a location installation method of an earth pressure balance shield machine tool. The method comprises the steps of forming a fixture scale, a locating pile and a bracket according to drawing of a cutter to form a locating tool, arranging the cutter horizontally on a platform, mounting the locating tool on the cutter, arranging a to-be-located tool in corresponding tool apron hole, rotating the levelled fixture scale to be right above the to-be-located tool in order to adjust the position of the tool according to a position scale mark corresponding to the tool on the arc side until the tool nose of the tool aims to the position scale mark, then rotating the fixture scale to another fixture angle in order to locate and install the tool of the installation angle, circulating the steps sequentially until all same tools are located and installed, and then, changing another fixture scale in order to locate and install anther tool according to the above steps until all tools are located and installed. By utilizing the design, the installation error is lower, the precision is higher, furthermore, the operation difficulty is lower and the application range is wider.
Description
Technical field
The present invention relates to a kind of shield machine, particularly relate to a kind of locating mounting method of soil pressure formula balance shield rounding machine cutter, be specifically applicable to reduce location and installation error, improve precision.
Background technology
Cutterhead is the critical component of shield machine work, various cutter is its main working cell, especially dual-pilot cutter, Welding of cutters is on cutterhead support, cutterhead is arranged in spiral of Archimedes, when in work, cutterhead rotates, each cutter works alone on respective cutting track, on cutterhead, the cutting track of all cutters is exactly cutterhead face, so the installation accuracy of knife disc tool requires very high, radial direction requires that tolerance is ± 3mm, and short transverse tolerance is ± 2mm, otherwise cutter can be increased and using the rate of wear in engineering, and affect the cutting efficiency of cutterhead.
When adopting conventional method to locate cutter welding equipment, normally direct measurement and positioning is carried out to part, but because cutterhead component is large, out-of-shape, direct measurement and positioning easily causes measure error when installing location comparatively large, considerably increases the difficulty of location and installation.
Chinese patent, publication number is CN101539022A, and publication date is that the application for a patent for invention on September 23rd, 2009 discloses a kind of earth pressure balance shield machine cutterhead, cutterhead card comprises center, facial area, marginal zone; The double-edged serrated cutter that center 1# – 8# tool rest is arranged comprises two cutter hubs and is connected in two cutter heads on cutter hub, the structure that each head top surface is high in the middle of swelling gradually from two sides to middle part and being formed, both sides are low; The top of cutter head two sides is an inclined-plane extended out; Be fixed with strip carbide alloy in the middle part of end face, the end face of strip carbide alloy both sides is fixed with four symmetrical row's hard alloy columnar teeths; Height of formation is poor successively with the top of strip carbide alloy respectively for the top of hard alloy columnar teeth; End face around strip carbide alloy, hard alloy columnar teeth and two sides are fixed with wearable overlay.Although the cutterhead that this invention provides can improve driving speed in rich water sand-pebble layer situation, reduce tool wear, improve cutter life, but do not provide special technique for the location and installation of how to carry out cutter on earth pressure balance shield machine cutterhead, what take is still the method for conventional direct measurement and positioning, is difficult to overcome direct measurement and easily causes the defect that location and installation error is larger.
Summary of the invention
The object of the invention is to overcome the defect that location and installation error is comparatively large, precision is lower and problem that exist in prior art, the locating mounting method of the soil pressure formula balance shield rounding machine cutter that a kind of location and installation error is less, precision is higher is provided.
For realizing above object, technical solution of the present invention is: a kind of locating mounting method of soil pressure formula balance shield rounding machine cutter; Described locating mounting method comprises the following steps successively:
The first step, the making of orientation tool: described orientation tool comprises guide pile and is the support of L-type structure, frock chi, and support comprises mutual horizontal beam connected vertically and vertical beam, and one corresponding for frock chi a kind of cutter; The bottom of described guide pile is connected with the end face of round bottom dish is vertical, the top of guide pile is connected with one end of horizontal beam, the other end of horizontal beam is connected with the top of vertical beam, the inner rim of horizontal beam, vertical beam forms one altogether to carry out inlaying the frock chamber coordinated with the neighboring of frock chi, the inner rim of frock chi is arc-shaped side, and the radian of this arc-shaped side and the position scale line that it is carved all are determined according to the position of cutter to be positioned in the profile of cutterhead, cutterhead;
Second step, the assembling of orientation tool: first cutterhead is lain in a horizontal plane on platform, adjust according to machined surface, the flatness of correction tape to cutterhead again, until the flatness≤2mm of cutterhead, machined surface is the benchmark disc being positioned at cutter head center position, correction tape is positioned at the circumferential position of cutterhead, then the bottom surface of round bottom dish and machined surface are fitted and connected the center of making cutterhead, again by support, the leveling of frock chi, after leveling, arc-shaped side on frock chi is suspended on the top in the tool rest hole offered in cutterhead, this tool rest hole and cutter one_to_one corresponding to be positioned;
3rd step, the location and installation of cutter: first cutter to be positioned is placed in corresponding tool rest hole, again the frock chi after leveling is rotated to directly over cutter to be positioned, and as initial setting angle 0 °, then according to the position of the position scale line adjustment cutter on arc-shaped side corresponding to this cutter, with graduation mark that the point of a knife of cutter is aimed the place, after aligned position graduation mark, again cutter spot welding is fixed the location and installation of this cutter, then frock chi is rotated to another one setting angle with the cutter of this setting angle of location and installation, circulate successively, until all cutter positionings of the same race install, subsequently, change another frock chi with another kind cutter of location and installation, repeat above-mentioned steps, until the cutter of all kinds all location and installation is complete.
The quantity of described frock chi is three, and the kind of the cutter of its correspondence is respectively hobboing cutter, dual-pilot cutter, scraper.
In the described first step, described frock chi adopts sheet metal blanking, its monnolithic case size and the position scale line of fixing a cutting tool all shaping by wire cutting method.
The scale error of described frock chi is less than or equal to 0.2mm.
In described second step, described being fitted and connected in the bottom surface of round bottom dish and machined surface refers to: first put into the bottom surface of round bottom dish to make the center of cutterhead on machined surface, then spot welding is fixed.
In described 3rd step, described setting angle comprises 0 °, 90 °, 180 °, 270 °.
Compared with prior art, beneficial effect of the present invention is:
1, the locating mounting method of a kind of soil pressure formula of the present invention balance shield rounding machine cutter comprises the making of orientation tool successively, the assembling of orientation tool, these three steps of the location and installation of cutter, the creationary concept introducing orientation tool on the basis of existing technology, especially this design of frock chi is introduced, this frock chi is according to the profile of cutterhead, the Position Design of each cutter on cutterhead, directly will measure location and installation cutter according to drawing to be converted to and to carry out location and installation cutter according to frock chi, namely first according to drawing making frock chi, be datum mark assembly tooling chi again with cutter head center, then duty during cutter work is imitated, rotary tooling chi, locate the position of each cutter, not only not easily make mistakes, accurate positioning is reliable, and convenient operation, greatly reduce installation difficulty.Therefore, not only location and installation error is less, precision is higher in the present invention, and operation easier is lower.
Frock chi in the locating mounting method of 2, a kind of soil pressure formula of the present invention balance shield rounding machine cutter devises altogether three kinds, corresponding hobboing cutter, dual-pilot cutter, this three classes cutter of scraper respectively, substantially all cutters of the required employing on cutterhead are covered, make the design can be used in the installation of all kinds cutter on cutterhead, accommodation is wider.Therefore, range of application of the present invention is wider.
Accompanying drawing explanation
Fig. 1 is the structural representation of cutterhead in the present invention.
Fig. 2 be in Fig. 1 A – A to sectional view.
Fig. 3 is structural representation when cutter is not housed in Fig. 1.
Fig. 4 is the structural representation of orientation tool in the present invention.
Fig. 5 is orientation tool in the present invention, the cutterhead assembling schematic diagram on platform.
Fig. 6 is the adjustment schematic diagram of cutter in tool rest hole in the present invention.
In figure: cutterhead 1, guide pile 2, round bottom dish 21, support 3, horizontal beam 31, vertical beam 32, frock chamber 33, frock chi 4, arc-shaped side 41, position scale line 42, cutter 5, tool rest hole 51, platform 6, machined surface 7, correction tape 8.
Detailed description of the invention
Illustrate that the present invention is further detailed explanation with detailed description of the invention below in conjunction with accompanying drawing.
See figure 1 – Fig. 6, a kind of locating mounting method of soil pressure formula balance shield rounding machine cutter; Described locating mounting method comprises the following steps successively:
The first step, the making of orientation tool: described orientation tool comprises guide pile 2 and is the support 3 of L-type structure, frock chi 4, support 3 comprises mutual horizontal beam connected vertically 31 and vertical beam 32, and one corresponding for frock chi 4 a kind of cutter 5; The bottom of described guide pile 2 is connected with the end face of round bottom dish 21 is vertical, the top of guide pile 2 is connected with one end of horizontal beam 31, the other end of horizontal beam 31 is connected with the top of vertical beam 32, the inner rim of horizontal beam 31, vertical beam 32 forms one altogether to carry out inlaying the frock chamber 33 coordinated with the neighboring of frock chi 4, the inner rim of frock chi 4 is arc-shaped side 41, and the radian of this arc-shaped side 41 and position scale line 42 that it is carved all are determined according to the position of cutter 5 to be positioned in the profile of cutterhead 1, cutterhead 1;
Second step, the assembling of orientation tool: first cutterhead 1 is lain in a horizontal plane on platform 6, again according to machined surface 7, the flatness of correction tape 8 pairs of cutterheads 1 adjusts, until the flatness≤2mm of cutterhead 1, machined surface 7 is the benchmark discs being positioned at cutterhead 1 centre, correction tape 8 is positioned at the circumferential position of cutterhead 1, then the bottom surface of round bottom dish 21 and machined surface 7 are fitted and connected the center of making cutterhead 1, again by support 3, frock chi 4 leveling, after leveling, arc-shaped side 41 on frock chi 4 is suspended on the top in the tool rest hole 51 offered in cutterhead 1, this tool rest hole 51 and cutter 5 one_to_one corresponding to be positioned,
3rd step, the location and installation of cutter: first cutter 5 to be positioned is placed in corresponding tool rest hole 51, again the frock chi 4 after leveling is rotated to directly over cutter 5 to be positioned, and as initial setting angle 0 °, then the position of cutter 5 is adjusted according to the position scale line 42 on arc-shaped side 41 corresponding to this cutter 5, with graduation mark 42 that the point of a knife of cutter 5 is aimed the place, after aligned position graduation mark 42, again cutter 5 spot welding is fixed the location and installation of this cutter 5, then frock chi 4 is rotated to another one setting angle with the cutter 5 of this setting angle of location and installation, circulate successively, until all cutter of the same race 5 location and installation are complete, subsequently, change another frock chi 4 with another kind cutter 5 of location and installation, repeat above-mentioned steps, until the cutter 5 of all kinds all location and installation is complete.
The quantity of described frock chi 4 is three, and the kind of the cutter 5 of its correspondence is respectively hobboing cutter, dual-pilot cutter, scraper.
In the described first step, described frock chi 4 adopts sheet metal blanking, its monnolithic case size and fix a cutting tool 5 position scale line 42 all shaping by wire cutting method.
The scale error of described frock chi 4 is less than or equal to 0.2mm.
In described second step, described being fitted and connected in the bottom surface of round bottom dish 21 and machined surface 7 refers to: first put into the bottom surface of round bottom dish 21 to make the center of cutterhead 1 on machined surface 7, then spot welding is fixed.
In described 3rd step, described setting angle comprises 0 °, 90 °, 180 °, 270 °.
Principle of the present invention is described as follows:
The method of existing location and installation cutter on cutter head of shield machine normally carries out direct measurement and positioning to part, install successively one by one, because cutterhead component is large, out-of-shape, and Cutting tool installation manner position, quantity are more, the measure error that direct measurement and positioning is installed when easily causing location and installation is comparatively large, and the difficulty of location and installation is larger.
This technique for bridge, by the frock chi materialization of the data in drawing, substantially increases installation accuracy with frock chi.First according to the good corresponding frock chi of cutterhead layout design, the data mainly adopted are particular locations of each cutter on the external form of cutterhead, cutterhead, be datum mark assembly tooling chi again with cutter head center, then duty during cutterhead work is imitated, rotary tooling chi, thus the position of location all angles, all kinds of cutter, generally speaking, cutter is mainly distributed in cutterhead 0 °, 90 °, 180 ° and 270 ° of directions.
Position scale line on frock chi is not size scale, it is the position scale that each cutter is corresponding, a corresponding all congener cutter of frock chi, in like manner, a frock chi can install all congener cutters, generally speaking, cutterhead there are three kinds of cutters---hobboing cutter, dual-pilot cutter, scraper, the position of often kind of cutter is different so three also different for the position scale line on frock chi.Frock chi adopts sheet metal blanking, the position scale line of each cutter is shaping by wire cutting method with its monnolithic case dimensional accuracy above, Linear cut is a kind of numerical control forming materials (processing) method, and wire cutting machine is computer numerical controlled control, can ensure that the scale error of frock chi is within 0.2mm.
The flatness of cutterhead, frock chi can adopt transit survey, and uses correction tape leveling, after adjustment level, as long as Cutting tool installation manner ensures that the position scale line that the point of a knife of cutter props up on frock chi corresponding to this cutter just can ensure the accurate of tool position.
Because the position of cutter is not one-step building, need the position adjusting cutter, therefore cutter must be movable freely, so adjustment surplus will be stayed, meanwhile, consider welding deformation reason (tool rest hole is welding fabrication), in order to ensure that cutter can put in, the size in tool rest hole is larger than Tool Design, just can guarantee that cutter can be freely movable after putting into tool rest hole.
Embodiment 1:
A kind of locating mounting method of soil pressure formula balance shield rounding machine cutter; Described locating mounting method comprises the following steps successively:
The first step, the making of orientation tool: see Fig. 4, described orientation tool comprises guide pile 2 and is the support 3 of L-type structure, frock chi 4, support 3 comprises mutual horizontal beam connected vertically 31 and vertical beam 32, and one corresponding for frock chi 4 a kind of cutter 5, the quantity of frock chi 4 is generally three, and the kind of the cutter 5 of its correspondence is respectively hobboing cutter, dual-pilot cutter, scraper; The bottom of described guide pile 2 is connected with the end face of round bottom dish 21 is vertical, the top of guide pile 2 is connected with one end of horizontal beam 31, the other end of horizontal beam 31 is connected with the top of vertical beam 32, the inner rim of horizontal beam 31, vertical beam 32 forms one altogether to carry out inlaying the frock chamber 33 coordinated with the neighboring of frock chi 4, the inner rim of frock chi 4 is arc-shaped side 41, and the radian of this arc-shaped side 41 and position scale line 42 that it is carved all are determined according to the position of cutter 5 to be positioned in the profile of cutterhead 1, cutterhead 1;
Second step, the assembling of orientation tool: see Fig. 5, first cutterhead 1 is lain in a horizontal plane on platform 6, again according to machined surface 7, the flatness of correction tape 8 pairs of cutterheads 1 adjusts, until the flatness≤2mm of cutterhead 1, machined surface 7 is the benchmark discs being positioned at cutterhead 1 centre, correction tape 8 is positioned at the circumferential position of cutterhead 1, then the bottom surface of round bottom dish 21 and machined surface 7 are fitted and connected the center of making cutterhead 1, again by support 3, frock chi 4 leveling, after leveling, arc-shaped side 41 on frock chi 4 is suspended on the top in the tool rest hole 51 offered in cutterhead 1, this tool rest hole 51 and cutter 5 one_to_one corresponding to be positioned,
3rd step, the location and installation of cutter: see Fig. 1 to Fig. 5, first cutter 5 to be positioned is placed in corresponding tool rest hole 51, again the frock chi 4 after leveling is rotated to directly over cutter 5 to be positioned, and as initial setting angle 0 °, see Fig. 6, then the position of cutter 5 is adjusted according to the position scale line 42 on arc-shaped side 41 corresponding to this cutter 5, with graduation mark 42 that the point of a knife of cutter 5 is aimed the place, after aligned position graduation mark 42, again cutter 5 spot welding is fixed the location and installation of this cutter 5, then frock chi 4 is rotated to another one setting angle with the cutter 5 of this setting angle of location and installation, circulate successively, until all cutter of the same race 5 location and installation are complete, subsequently, change another frock chi 4 with another kind cutter 5 of location and installation, repeat above-mentioned steps, until the cutter 5 of all kinds all location and installation is complete.
Claims (6)
1. a locating mounting method for soil pressure formula balance shield rounding machine cutter, is characterized in that: described locating mounting method comprises the following steps successively:
The first step, the making of orientation tool: described orientation tool comprises guide pile (2) and is the support (3) of L-type structure, frock chi (4), support (3) comprises mutual horizontal beam connected vertically (31) and vertical beam (32), and one corresponding for frock chi (4) a kind of cutter (5), the bottom of described guide pile (2) is connected with the end face of round bottom dish (21) is vertical, the top of guide pile (2) is connected with one end of horizontal beam (31), the other end of horizontal beam (31) is connected with the top of vertical beam (32), horizontal beam (31), the inner rim of vertical beam (32) forms one altogether to carry out inlaying the frock chamber (33) coordinated with the neighboring of frock chi (4), the inner rim of frock chi (4) is arc-shaped side (41), the radian of this arc-shaped side (41) and position scale line (42) that it is carved are all according to the profile of cutterhead (1), the position of cutter (5) to be positioned in cutterhead (1) and determining,
Second step, the assembling of orientation tool: first cutterhead (1) is lain in a horizontal plane on platform (6), again according to machined surface (7), the flatness of correction tape (8) to cutterhead (1) adjusts, until the flatness≤2mm of cutterhead (1), machined surface (7) is the benchmark disc being positioned at cutterhead (1) centre, correction tape (8) is positioned at the circumferential position of cutterhead (1), then the bottom surface of round bottom dish (21) and machined surface (7) are fitted and connected the center of making cutterhead (1), again by support (3), frock chi (4) leveling, after leveling, arc-shaped side (41) on frock chi (4) is suspended on the top in the tool rest hole 51 offered in cutterhead (1), this tool rest hole 51 and cutter to be positioned (5) one_to_one corresponding,
3rd step, the location and installation of cutter: first cutter (5) to be positioned is placed in corresponding tool rest hole 51, again the frock chi (4) after leveling is rotated to directly over cutter (5) to be positioned, and as initial setting angle 0 °, the position of the position scale line (42) adjustment cutter (5) then corresponding to upper this cutter (5) of arc-shaped side (41), with graduation mark (42) that the point of a knife of cutter (5) is aimed the place, after aligned position graduation mark (42), again cutter (5) spot welding is fixed with the location and installation completing this cutter (5), then frock chi (4) is rotated to another one setting angle with the cutter of this setting angle of location and installation (5), circulate successively, until all cutter of the same race (5) location and installation are complete, subsequently, change another frock chi (4) with another kind cutter (5) of location and installation, repeat above-mentioned steps, until the cutter of all kinds (5) all location and installation is complete.
2. the locating mounting method of a kind of soil pressure formula balance shield rounding machine cutter according to claim 1, it is characterized in that: the quantity of described frock chi (4) is three, the kind of the cutter (5) of its correspondence is respectively hobboing cutter, dual-pilot cutter, scraper.
3. the locating mounting method of a kind of soil pressure formula balance shield rounding machine cutter according to claim 1 and 2, it is characterized in that: in the described first step, described frock chi (4) adopts sheet metal blanking, and the position scale line (42) of its monnolithic case size and fix a cutting tool (5) thereof is all shaping by wire cutting method.
4. the locating mounting method of a kind of soil pressure formula balance shield rounding machine cutter according to claim 4, is characterized in that: the scale error of described frock chi (4) is less than or equal to 0.2mm.
5. the locating mounting method of a kind of soil pressure formula balance shield rounding machine cutter according to claim 1 and 2, it is characterized in that: in described second step, described being fitted and connected in the bottom surface of round bottom dish (21) and machined surface (7) refers to: first put into the bottom surface of round bottom dish (21) to make the center of cutterhead (1) on machined surface (7), then spot welding is fixed.
6. the locating mounting method of a kind of soil pressure formula balance shield rounding machine cutter according to claim 1 and 2, is characterized in that: in described 3rd step, described setting angle comprises 0 °, 90 °, 180 °, 270 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410770496.0A CN104476001B (en) | 2014-12-15 | 2014-12-15 | A kind of locating mounting method of soil pressure formula balance shield rounding machine cutter |
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| CN201410770496.0A CN104476001B (en) | 2014-12-15 | 2014-12-15 | A kind of locating mounting method of soil pressure formula balance shield rounding machine cutter |
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| CN104476001B CN104476001B (en) | 2016-02-10 |
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| CN109396810A (en) * | 2018-12-25 | 2019-03-01 | 中铁隧道局集团有限公司 | A kind of shield cutter assembly workbench and its assembling method |
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| CN104476001B (en) | 2016-02-10 |
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