CN111347205A - Fixture device for fixing shield machine cutter head girder based on positioner - Google Patents
Fixture device for fixing shield machine cutter head girder based on positioner Download PDFInfo
- Publication number
- CN111347205A CN111347205A CN202010143527.5A CN202010143527A CN111347205A CN 111347205 A CN111347205 A CN 111347205A CN 202010143527 A CN202010143527 A CN 202010143527A CN 111347205 A CN111347205 A CN 111347205A
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- fastening block
- positioning fastening
- type positioning
- plate
- fixing
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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
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a fixture device for fixing a main beam of a shield machine cutter head based on a positioner, which comprises an A-type positioning fastening block, a B-type positioning fastening block, a C-type positioning fastening block, an outer side cover plate and an inner side fixing pressure plate, wherein the A-type positioning fastening block, the B-type positioning fastening block and the C-type positioning fastening block are arranged on a disc workbench of the positioner, the A-type positioning fastening block and the B-type positioning fastening block clamp a beam and are arranged back to back, the last row of beams are clamped and arranged back to back by the A-type positioning fastening block and the C-type positioning fastening block, and the tops of the beams are connected through the inner side fixing pressure plate; the outer side of the longitudinal beam is provided with a B-shaped positioning fastening block, and an outer side cover plate is arranged at the top of the B-shaped positioning fastening block and used for fixing the longitudinal beam and the B-shaped positioning fastening block. The clamping device can clamp a single workpiece and a double workpiece of the cutter head main beam of the shield tunneling machine, the adaptability of the clamp to match with welding requirements is enhanced, and the production efficiency is improved.
Description
Technical Field
The invention relates to a fixture device of a positioner, in particular to a fixture device of a shield tunneling machine cutter head main beam, and belongs to the technical field of shield tunneling machines.
Background
The shield machine is a special engineering machine and is mainly applied to large-scale engineering construction of subways, railways, water diversion and the like. The main beam of the cutter head of the shield tunneling machine is large in size, large in thickness and heavy in tonnage, the modern technology mainly adopts a manual welding mode for the main beam of the cutter head of the shield tunneling machine, and in order to meet the automatic welding requirement and improve the welding technology, a fixture device which is arranged on a positioner and accurately fixes the main beam of the cutter head of the shield tunneling machine is needed. When a workpiece is clamped, if the rigidity of the clamp is not enough, self-oscillation and size deviation can occur, and the automatic welding effect of the workpiece can be influenced by unreasonable clamping. The mounting error of the clamp on the positioner and the mounting error of the workpiece can directly influence the accuracy of automatic welding, so that the clamp must ensure the minimum clamping deformation. The cutter head main beam of the shield tunneling machine is influenced by high temperature to inevitably generate large stress deformation during welding, the welding completion clamp and a workpiece are attached together due to stress, and difficulty is brought to the disassembly and assembly of the clamp because the clamp is large in rigidity, so that the clamp is required to be convenient to disassemble and assemble. In addition to the above process requirements, in order to meet the requirements of different welding efficiencies, the clamp needs to have different combination modes to clamp one or more workpieces.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fixture device for fixing a main beam of a cutter head of a shield tunneling machine based on a positioner, which aims to accurately position a fixture in an automatic welding process, is convenient to disassemble and assemble and further improves the efficiency.
In order to solve the technical problem, the invention provides a fixture device for fixing a main beam of a cutter head of a shield machine based on a positioner, which comprises an A-type positioning fastening block, a B-type positioning fastening block, a C-type positioning fastening block, an outer side cover plate and an inner side fixing pressure plate, wherein the A-type positioning fastening block, the B-type positioning fastening block and the C-type positioning fastening block are arranged on a disc workbench of the positioner, the A-type positioning fastening block and the B-type positioning fastening block clamp a beam and are arranged back to back, the last row of beams are clamped by the A-type positioning fastening block and the C-type positioning fastening block and are arranged back to back, and the tops of the beams are connected through the inner side fixing pressure plate; the outer side of the longitudinal beam is provided with a B-shaped positioning fastening block, and an outer side cover plate is arranged at the top of the B-shaped positioning fastening block and used for fixing the longitudinal beam and the B-shaped positioning fastening block.
The A-shaped positioning and fastening block is of an L-shaped structure and comprises a vertical plate and a bottom plate, and a first reinforcing rib is arranged at the joint of the vertical plate and the bottom plate; the vertical plate is provided with a first threaded hole, the top of the vertical plate is provided with a second threaded hole, and the bottom plate is provided with a first straight notch.
The B-type positioning fastening block is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a second reinforcing rib is arranged at the joint of the vertical plate and the bottom plate; a third threaded hole is formed in the vertical plate, and a fourth threaded hole is formed in the top of the vertical plate; one side of the wide edge of the bottom plate is provided with a straight notch III.
The C-shaped positioning fastening block is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a third reinforcing rib is arranged at the joint of the vertical plate and the bottom plate; a threaded hole six is formed in the top of the vertical plate; one side of the wide edge of the bottom plate is provided with a straight notch IV.
The inner side fixed pressing plate is a rectangular plate, and a long circular straight notch II is formed in the middle of the inner side fixed pressing plate.
The outer side cover plate is a rectangular plate, and one side of the outer side cover plate is provided with a fifth threaded hole.
The A-type positioning fastening block, the B-type positioning fastening block, the C-type positioning fastening block, the outer side cover plate and the inner side fixing pressing plate are all metal Q345 carbon steel pieces.
The invention also comprises a double-workpiece connecting pressure plate and a double-workpiece connecting screw rod which are used for connecting the two groups of fixture tools; two ends of the double-workpiece connecting pressure plate are provided with a straight notch five, and two ends of the double-workpiece connecting screw rod are provided with a threaded hole seven; the double-workpiece connecting pressing plates are installed in pairs, and the two corresponding straight notches are connected with the two double-workpiece connecting screw rods.
The A-type positioning fastening block, the B-type positioning fastening block, the C-type positioning fastening block, the outer side cover plate, the inner side fixing pressing plate, the double-workpiece connecting pressing plate and the double-workpiece connecting screw rod are all metal Q345 carbon steel parts.
Has the advantages that: the fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner is an assembled fixture, and compared with the prior art, the fixture device is simple to process and convenient to use and install; the A-type positioning fastening block, the B-type positioning fastening block, the C-type positioning fastening block and the inner side fixing pressing plate are arranged through the straight notch, the double-workpiece connecting pressing plate can accurately position the main beam of the cutter head of the shield tunneling machine, and the main beam of the shield tunneling machine is convenient to disassemble after being deformed after welding is finished, so that the working time is saved; the clamping device can clamp a single workpiece and a double workpiece of the cutter head main beam of the shield tunneling machine, the adaptability of the clamp to match with welding requirements is enhanced, and the production efficiency is improved.
Drawings
FIG. 1 is a structural schematic of a shield machine cutterhead main beam;
FIG. 2 is a schematic view of the present invention clamping a single workpiece;
FIG. 3 is a schematic view of the A-shaped positioning and fastening block of the present invention;
FIG. 4 is a schematic view of the inner stationary platen of the present invention;
FIG. 5 is a schematic view of a B-shaped positioning and fastening block of the present invention;
FIG. 6 is a schematic view of the construction of the outer decking of the present invention;
FIG. 7 is a structural schematic of the C-shaped positioning and fastening block of the present invention;
FIG. 8 is a structural schematic of a dual-piece connecting screw of the present invention;
FIG. 9 is a structural schematic of a dual workpiece connecting platen of the present invention;
FIG. 10 is a schematic view of the present invention clamping dual workpieces.
In the figure: 1, a shield machine cutter head main beam, 11 longitudinal beams, 12 cross beams, a 2A-shaped positioning fastening block, a 21 threaded hole I, a 22 threaded hole II, a 23 reinforcing rib I and a 24 straight groove opening I; 3, fixing a pressing plate at the inner side and 31 a straight notch II; the positioning fastening block is 4B type, a third 41 threaded hole, a fourth 42 threaded hole, a second 43 reinforcing rib and a third 44 straight notch; 5, an outer side cover plate and a 51 threaded hole five; the 6C-shaped positioning and fastening block, the 61 threaded hole six, the 62 reinforcing ribs three and the 63 straight notch four; 7, two workpiece connecting screw rods and 71 threaded holes seven; 8 pairs of connecting pressing plates and 81 straight notches.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 shows a structural schematic of a main beam of a cutter head of a shield tunneling machine.
The shield machine cutterhead main beam 1 is composed of two longitudinal beams 11 and a plurality of cross beams 12 located between the two longitudinal beams, grooves are formed in the middle of the longitudinal beams 11, and the cross beams 12 are flush with the bottoms of the grooves of the longitudinal beams 11.
FIG. 2 is a schematic view of the present invention clamping a single workpiece.
The invention provides a fixture device for fixing a main beam of a shield machine cutter head based on a positioner, which comprises an A-type positioning fastening block 2, a B-type positioning fastening block 4, a C-type positioning fastening block 6, an outer side cover plate 5 and an inner side fixing pressure plate 3, wherein the A-type positioning fastening block 2, the B-type positioning fastening block 4 and the C-type positioning fastening block 6 are arranged on a disc workbench of the positioner, the A-type positioning fastening block 2 and the B-type positioning fastening block 4 clamp a cross beam 12 and are arranged back to back, the last row of cross beams 12 are clamped by the A-type positioning fastening block 2 and the C-type positioning fastening block 6 and are arranged back to back, and the tops of the cross beams are connected through the inner side fixing pressure plate 3; a B-shaped positioning and fastening block 4 is arranged on the outer side of the longitudinal beam 11, and an outer side cover plate 5 is arranged on the top of the B-shaped positioning and fastening block 4 and used for fixing the longitudinal beam 11 and the B-shaped positioning and fastening block 4.
Fig. 3 is a schematic structural view of the a-type positioning and fastening block of the present invention.
The A-shaped positioning and fastening block 2 is of an L-shaped structure and comprises a vertical plate and a bottom plate, and a first reinforcing rib 23 is arranged at the joint of the vertical plate and the bottom plate; the vertical plate is provided with a first threaded hole 21, the top of the vertical plate is provided with a second threaded hole 22, and the bottom plate is provided with a first straight notch 24.
Fig. 5 is a structural schematic of the B-shaped positioning and fastening block of the present invention.
The B-type positioning fastening block 4 is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a second reinforcing rib 43 is arranged at the joint of the vertical plate and the bottom plate; a third threaded hole 41 is formed in the vertical plate, and a fourth threaded hole 42 is formed in the top of the vertical plate; one side of the wide edge of the bottom plate is provided with a straight notch III 44, and one side of the narrow edge of the bottom plate extends into the bottom of the groove of the cross beam 12 or the longitudinal beam 11.
Fig. 7 shows a schematic structure of the C-shaped positioning and fastening block of the present invention.
The C-shaped positioning and fastening block 6 is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a third reinforcing rib 62 is arranged at the joint of the vertical plate and the bottom plate; the top of the vertical plate is provided with a threaded hole six 61; one side of the wide side of the bottom plate is provided with a straight notch four 63, and one side of the narrow side of the bottom plate extends into the bottom of the cross beam 12.
Fig. 4 is a schematic view of the inner fixed platen according to the present invention.
The inner side fixed pressing plate 3 is a rectangular plate, a long circular straight groove opening II 31 is formed in the middle of the inner side fixed pressing plate, and the inner side fixed pressing plate is connected with two positioning fastening blocks which are arranged back to back through the straight groove opening II 31.
Fig. 6 is a schematic view of the structure of the outer cover plate of the present invention.
The outer cover plate 5 is a rectangular plate, and one side of the outer cover plate is provided with a five threaded hole 51.
The A-type positioning fastening block 2, the B-type positioning fastening block 4, the C-type positioning fastening block 6, the outer side cover plate 5 and the inner side fixed pressing plate 3 are all metal Q345 carbon steel pieces.
Fig. 8 shows a structural schematic of a two-piece connecting screw according to the invention.
Fig. 9 shows a schematic structure of a double-piece connecting pressing plate of the invention.
The invention also comprises a double-workpiece connecting pressure plate 8 and a double-workpiece connecting screw 7 which are used for connecting the two groups of fixture tools; two ends of the double-workpiece connecting pressure plate are provided with five straight notch openings 81, and two ends of the double-workpiece connecting screw 7 are provided with seven threaded holes 71; the double-workpiece connecting pressing plates are installed in pairs, and the two corresponding straight notches 81 are connected with the two fixed double-workpiece connecting screw rods 7.
FIG. 10 is a schematic view of the present invention clamping two workpieces.
The A-type positioning fastening block 2, the B-type positioning fastening block 4, the C-type positioning fastening block 6, the outer side cover plate 5, the inner side fixed pressing plate 3, the double-workpiece connecting pressing plate 8 and the double-workpiece connecting screw 7 are all metal Q345 carbon steel parts.
The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner is an assembled fixture, and compared with the prior art, the fixture device is simple to process and convenient to use and install; the A-type positioning fastening block, the B-type positioning fastening block, the C-type positioning fastening block and the inner side fixing pressing plate are arranged in a double-workpiece connecting pressing plate through a straight notch, so that a main beam of a cutter head of the shield tunneling machine can be accurately positioned, and the shield tunneling machine is convenient to disassemble after welding is completed, and the working hours are saved; the clamping device can clamp a single workpiece and a double workpiece of the cutter head main beam of the shield tunneling machine, the adaptability of the clamp to match with welding requirements is enhanced, and the production efficiency is improved.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (9)
1. The utility model provides a fixture device of fixed shield constructs quick-witted blade disc girder based on machine of shifting which characterized in that: the positioner comprises an A-type positioning fastening block (2), a B-type positioning fastening block (4), a C-type positioning fastening block (6), an outer side cover plate (5) and an inner side fixing pressing plate (3), wherein the A-type positioning fastening block (2), the B-type positioning fastening block (4) and the C-type positioning fastening block (6) are installed on a disc workbench of the positioner, the A-type positioning fastening block (2) and the B-type positioning fastening block (4) clamp a beam (12) and are installed back to back, the last row of beams (12) are clamped by the A-type positioning fastening block (2) and the C-type positioning fastening block (6) and are installed back to back, and the tops of the beams are connected through the inner side fixing pressing plate (3); a B-shaped positioning fastening block (4) is arranged on the outer side of the longitudinal beam (11), and an outer side cover plate (5) is installed at the top of the B-shaped positioning fastening block (4) and used for fixing the longitudinal beam (11) and the B-shaped positioning fastening block (4).
2. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 1, characterized in that: the A-shaped positioning and fastening block (2) is of an L-shaped structure and comprises a vertical plate and a bottom plate, and a first reinforcing rib (23) is arranged at the joint of the vertical plate and the bottom plate; the vertical plate is provided with a first threaded hole (21), the top of the vertical plate is provided with a second threaded hole (22), and the bottom plate is provided with a first straight notch (24).
3. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 1, characterized in that: the B-shaped positioning fastening block (4) is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a second reinforcing rib (43) is arranged at the joint of the vertical plate and the bottom plate; a third threaded hole (41) is formed in the vertical plate, and a fourth threaded hole (42) is formed in the top of the vertical plate; one side of the wide edge of the bottom plate is provided with a straight notch III (44).
4. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 1, characterized in that: the C-shaped positioning and fastening block (6) is of an asymmetric inverted T-shaped structure and comprises a vertical plate and a bottom plate, and a third reinforcing rib (62) is arranged at the joint of the vertical plate and the bottom plate; the top of the vertical plate is provided with a threaded hole six (61); one side of the wide edge of the bottom plate is provided with a straight notch four (63).
5. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 1, characterized in that: the inner side fixed pressing plate (3) is a rectangular plate, and a long circular straight notch II (31) is arranged in the middle of the inner side fixed pressing plate.
6. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 1, characterized in that: the outer side cover plate (5) is a rectangular plate, and one side of the outer side cover plate is provided with a five threaded hole (51).
7. The fixture device for fixing the cutterhead girder of the shield tunneling machine based on the positioner according to any one of claims 1-6, which is characterized in that: the A-type positioning fastening block (2), the B-type positioning fastening block (4), the C-type positioning fastening block (6), the outer side cover plate (5) and the inner side fixing pressing plate (3) are all metal Q345 carbon steel pieces.
8. The fixture device for fixing the cutterhead girder of the shield tunneling machine based on the positioner according to any one of claims 1-6, which is characterized in that: the double-workpiece connecting press plate (8) and the double-workpiece connecting screw rod (7) are used for connecting the two groups of fixture tools; two ends of the double-workpiece connecting pressure plate are provided with a straight notch five (81), and two ends of the double-workpiece connecting screw rod (7) are provided with threaded holes seven (71); the double-workpiece connecting pressing plates (8) are installed in pairs, and the two corresponding straight notches (81) are connected with the two double-workpiece connecting screw rods (7).
9. The fixture device for fixing the main beam of the cutter head of the shield tunneling machine based on the positioner according to claim 8, characterized in that: the A-type positioning fastening block (2), the B-type positioning fastening block (4), the C-type positioning fastening block (6), the outer side cover plate (5), the inner side fixing pressing plate (3), the double-workpiece connecting pressing plate (8) and the double-workpiece connecting screw rod (7) are all metal Q345 carbon steel parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143527.5A CN111347205A (en) | 2020-03-04 | 2020-03-04 | Fixture device for fixing shield machine cutter head girder based on positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143527.5A CN111347205A (en) | 2020-03-04 | 2020-03-04 | Fixture device for fixing shield machine cutter head girder based on positioner |
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| Publication Number | Publication Date |
|---|---|
| CN111347205A true CN111347205A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010143527.5A Pending CN111347205A (en) | 2020-03-04 | 2020-03-04 | Fixture device for fixing shield machine cutter head girder based on positioner |
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| CN (1) | CN111347205A (en) |
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| CN105081813A (en) * | 2015-09-14 | 2015-11-25 | 天津起重设备有限公司 | Technological equipment and method for machining crossbeam of crane by means of floor type boring and milling machine |
| CN205552054U (en) * | 2016-05-10 | 2016-09-07 | 张家港市光学仪器有限公司 | Anomalous plate -shaped workpiece's clamping instrument for surface machining all around |
| CN207289298U (en) * | 2017-09-30 | 2018-05-01 | 中辆新能源轨道交通装备江苏有限公司 | The transverse beam assembly welding tooling of low-floor tramcar drivers' cab chassis |
| CN208322464U (en) * | 2018-04-29 | 2019-01-04 | 大族激光科技产业集团股份有限公司 | A kind of mould group end plate and side plate positioning fixture |
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2020
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010039835A1 (en) * | 2008-10-01 | 2010-04-08 | Maglev, Inc. | Clamping systems for large workpieces |
| CN203566135U (en) * | 2013-10-23 | 2014-04-30 | 山东立德机械有限公司 | Welding locating tool |
| CN204262803U (en) * | 2014-10-09 | 2015-04-15 | 济南澳海炭素有限公司 | A kind of wedge block cutting fixture |
| CN204148900U (en) * | 2014-10-27 | 2015-02-11 | 苏州东亚机械铸造有限公司 | A kind of compression case fixture |
| CN204470949U (en) * | 2015-03-12 | 2015-07-15 | 山西大运汽车制造有限公司 | Moved cross beam assembly subpackage frock |
| CN105081813A (en) * | 2015-09-14 | 2015-11-25 | 天津起重设备有限公司 | Technological equipment and method for machining crossbeam of crane by means of floor type boring and milling machine |
| CN205552054U (en) * | 2016-05-10 | 2016-09-07 | 张家港市光学仪器有限公司 | Anomalous plate -shaped workpiece's clamping instrument for surface machining all around |
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Application publication date: 20200630 |