CN104655374A - Inspection tool for blade flapping deflection - Google Patents
Inspection tool for blade flapping deflection Download PDFInfo
- Publication number
- CN104655374A CN104655374A CN201510001377.3A CN201510001377A CN104655374A CN 104655374 A CN104655374 A CN 104655374A CN 201510001377 A CN201510001377 A CN 201510001377A CN 104655374 A CN104655374 A CN 104655374A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- square
- blade
- steel
- locating piece
- 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
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an inspection tool for a blade flapping deflection, and relates to the field of inspecting inherent characteristics of a main blade, made of composite materials, of a helicopter. The inspection tool for the blade flapping deflection, disclosed by the invention, is divided into a blade fixing part and a blade measuring part, wherein the blade fixing part consists of several main components such as a framework, a bracket and positioning plates; the components are processed by mainly adopting a welding technology and are fixedly connected through bolts and the like; the blade measuring part consists of a stand column, a bracket, a measuring scale and the like and is processed by adopting a welding technology. The two parts of the tool are simple in constitution, and the components are connected through the bolts and the like, so that the tool is conveniently disassembled into components and the components are convenient to transport and assemble. Through the use of the inspection tool, designed shape of a traditional inspection tool for the flapping deflection is changed, the volume and the weight are reduced, the inspection tool is convenient to transport and mount and suitable for the reparation and the inspection of the blade outdoors, and the maintenance cost of the blade is reduced.
Description
Technical field
A kind of blade flapping amount of deflection of the present invention checks that frock relates to the main blade inherent characteristic of helicopter composite material and checks field.
Background technology
Composite material blade of helicopter awing has waves characteristic, needs to wave characteristic inspection to composite material blade, meet the request for utilization of blade before blade installation.Composite material blade waves the necessary inspection that amount of deflection inspection is blade, needs special amount of deflection of waving to check frock to this.
Composite material blade waves amount of deflection inspection to be needed to keep frock level, and ensures that in blade checking process, blade is stable not affected by vibration, so need to carry out horizon check to frock before inspection.In order to ensure the level of frock, the fixed position of blade and check measurement position are formed one by blade manufacturer usually, and blade length is longer, cause this frock floor area large, frock main body adopts steel making, and weight is large, cannot dismantle, cannot normally carry, be not suitable for outfield blade maintenance and use, the inspection of blade has location restrictive.
Blade is repaired must re-start the inspection of blade flapping amount of deflection, and be subject to blade itself and check the impact of frock factor, blade must return blade manufacturer by transport and check.But blade length is longer, transport more difficult, and trucking costs is high, increases blade maintenance cost.
Summary of the invention
The object of the invention is to change the configuration design that blade flapping amount of deflection checks frock, reduce frock volume and weight, make it to be convenient to transport and install, be applicable to outfield blade repair into after inspection.
Technical scheme of the present invention: a kind of blade flapping amount of deflection checks frock, described blade flapping amount of deflection checks that frock comprises framework 1, bearing 2, locating piece 3, column 4, bearing 5, scale 6;
A) framework 1 is made up of six parts, comprises steel plate 101, steel plate 102, square tube 103, square tube 104, square tube 105, square tube 106; Side's plate 101 is one block of square steel plate, punches at the edge on steel plate four limit; The length of side of the length side of the being less than plate 101 of square tube 106, one end of four square tubes 103 is welded on four angles of steel plate 101 successively by welding manner, and ensures that a stupefied difference of every root square tube is just to an angle of steel plate 101; Four square tubes 106 are welded to each other and become a square box, together with four welded corner joints of the square box that the other end of four square tubes 103 forms with square tube 106 respectively; Steel plate 102 is one block of square steel plate, within the large 20mm of length of the side ratio square tube 106 of steel plate 102, the square box that one side surface of steel plate 102 and square tube 106 form welds together, and ensure that the diagonal line of the square box that steel plate 102 forms with square tube 106 overlaps, and make a call to two rounds in the side on steel plate 102 surface, wherein often row has 4 holes, and the hole of often arranging is equal with the distance of this side of steel plate 102; The length of steel pipe 104 is greater than the length of steel pipe 105 and is less than the length of side of steel plate 101, the length of steel pipe 105 is greater than the length of steel pipe 106, four steel pipes, 104, four square tubes 105 join end to end respectively, be welded into square frame after, four of two square frames angles are welded with the middle part of four square tubes 103, respectively mutually with stable frame 1 structure; By the hole on steel plate 101, framework 1 is connected with ground with screw, makes framework 1 keep firm;
B) bearing 2 is made up of three parts.Steel plate 201 is mutually vertical with steel plate 202, and is overlapped on steel plate 201 and steel plate 202 1 limits, is welded to form right angle frame; The angle of the extended line of two sides of trapezoidal steel plate 203 is 90 degree, by 3 blocks of trapezoidal steel plates 203 simultaneously perpendicular to steel plate 201 and steel plate 202, is equidistantly welded on respectively on steel plate 201, steel plate 202, plays fixed support effect; Steel plate 201 is made a call to 8 mounting holes, and steel plate 201 is connected on framework 1 through mounting hole by pin 11, steel plate 202 is made a call to 8 mounting holes, is fixed by locating piece 3 with 8 pairs of nuts 12 and bolt 13 by mounting hole;
C) locating piece 3 is processed by one piece of square bloom, according to the width of propeller shank, the position equidistant apart from bloom both sides processes two protrusion ribs perpendicular to locating piece 3 surface on the surface in locating piece 3 side, and the thickness of rib is identical with the base plate thickness of locating piece 3; Protrude each processing two holes on rib at two, the direction in hole is parallel with the bloom surface of locating piece 3, and the size of the mounting hole of hole and propeller shank matches; Each processing three holes on the dual-side of locating piece 3, and hole is mated with the size of the mounting hole of support 202, locating piece 3 and bearing 2 is fixed together by 4 bolts 12 and 4 nuts 13; Curved the root of main blade is affixed on locating piece 3 by the hole that locating piece 3 protrudes on rib by latch 7, with fixing main propeller shank, main blade tip is naturally drooped by the effect of gravity, carries out waving inspection;
D) column 4 comprises square steel plate 401, square steel 402, square steel plate 403, square steel plate 401 and square steel plate 403 are foursquare steel plate, square steel 402 is bottom surfaces is foursquare quadrangular bloom, square steel plate 401 and square steel plate 403 are welded on respectively the upper and lower bottom surface of square steel 402, and the diagonal line of guarantor's steel plate 401 and square steel plate 403 overlaps with the diagonal line of the upper and lower bottom surface of square steel 402 respectively, respectively bore a mounting hole in the corner of square steel plate 401, square steel plate 403 respectively, by the mounting hole of square steel plate 403, column 4 is stabilized in ground base with four bolts 10;
E) bearing 5 comprises steel plate 501, steel plate 502, steel plate 503, its light plate 501, steel plate 502 are square, steel plate 503, place vertical with steel plate 502 for steel plate 501, and one end of one end of steel plate 501 and steel plate 502 is welded together, an overall formation right angle frame;
On the surface of the other end, 5 mounting holes are made a call at steel plate 501,5 mounting holes are equal with a back gauge of steel plate 501, a central small hole is wherein had to be positioned on the central axis on this limit, two macropores are symmetrically distributed in central axis both sides, distribute two rotational symmetry apertures outside central small hole, inside two macropores, the central axis on this limit below central small hole opens an aperture, open in the below of right side macropore one with the level aperture of this aperture; Steel plate 503 is a strip bloom, and steel plate 503 length is identical with steel plate 501, get the mounting hole matched with 5 mounting holes of steel plate 501 coboundary in a face of steel plate 503, with five pairs of register pins 504 and hex bolts 505 by these 5 mounting holes by steel plate 503 and steel plate 501 by being fixed together;
Respectively on the corner of steel plate 502 make a call to a hole, these four holes are corresponding with the mounting hole on steel plate 401, are firmly connected by support 5 pin 9, bolt 10 with four by the mounting hole on steel plate 502 with column 4;
F) scale 6 is placed on bearing 5 top, simultaneously with curved cross measure position of latch 7 being stablized scale 6; The blade tip of the main blade of compound substance is naturally drooped by the effect of gravity, and the scale on blade tip top institute cuing scale 6 is waves amount of deflection check result.
Beneficial effect of the present invention: change tradition and wave amount of deflection inspection Fixture Design profile, reduce volume and weight, be convenient to transport and install, be applicable to outfield blade repairing and check, reduce blade maintenance cost.
Accompanying drawing explanation
Fig. 1 waves amount of deflection to check frock schematic diagram 1
Fig. 2 is part 1 block schematic illustration
Fig. 3 is support front elevation
Fig. 4 is support left view
Fig. 5 is support top view
Fig. 6 locating piece front elevation
Fig. 7 locating piece left view
Fig. 8 locating piece top view
Fig. 9 column schematic diagram
Figure 10 bearing front elevation
Figure 11 bearing cross sectional view A-A
Figure 12 bearing top view
Figure 13 bearing cross sectional view B-B
1-framework, 2-bearing, 3-locating piece, 4-column, 5-bearing, 6-scale, 7-is curved latch, and 9-sells, 10-bolt, and 11-sells, 12-bolt, 13-nut
Embodiment
A kind of blade flapping amount of deflection of the present invention checks that frock is divided into blade fixed part and blade measure portion.Blade fixed position is made up of several critical pieces such as framework, support and location-plates, and parts mainly adopt welding processing to form, and are connected and fixed between parts by bolt etc.Blade measure portion is made up of column, support and surveyors' staff etc., and the same solder technology that adopts processes.These frock two parts composition is simple, is convenient to be disassembled into parts conveniently transports assembling between parts by connections such as bolts.
Below in conjunction with accompanying drawing 1-13, the present invention is described in detail.
A kind of blade flapping amount of deflection checks frock, and described blade flapping amount of deflection checks that frock comprises framework 1, bearing 2, locating piece 3, column 4, bearing 5, scale 6;
A) framework 1 is made up of six parts, comprises steel plate 101, steel plate 102, square tube 103, square tube 104, square tube 105, square tube 106; Side's plate 101 is one block of square steel plate, punches at the edge on steel plate four limit; The length of side of the length side of the being less than plate 101 of square tube 106, one end of four square tubes 103 is welded on four angles of steel plate 101 successively by welding manner, and ensures that a stupefied difference of every root square tube is just to an angle of steel plate 101; Four square tubes 106 are welded to each other and become a square box, together with four welded corner joints of the square box that the other end of four square tubes 103 forms with square tube 106 respectively; Steel plate 102 is one block of square steel plate, within the large 20mm of length of the side ratio square tube 106 of steel plate 102, the square box that one side surface of steel plate 102 and square tube 106 form welds together, and ensure that the diagonal line of the square box that steel plate 102 forms with square tube 106 overlaps, and make a call to two rounds in the side on steel plate 102 surface, wherein often row has 4 holes, and the hole of often arranging is equal with the distance of this side of steel plate 102; The length of steel pipe 104 is greater than the length of steel pipe 105 and is less than the length of side of steel plate 101, the length of steel pipe 105 is greater than the length of steel pipe 106, four steel pipes, 104, four square tubes 105 join end to end respectively, be welded into square frame after, four of two square frames angles are welded with the middle part of four square tubes 103, respectively mutually with stable frame 1 structure; By the hole on steel plate 101, framework 1 is connected with ground with screw, makes framework 1 keep firm;
B) bearing 2 is made up of three parts.Steel plate 201 is mutually vertical with steel plate 202, and is overlapped on steel plate 201 and steel plate 202 1 limits, is welded to form right angle frame; The angle of the extended line of two sides of trapezoidal steel plate 203 is 90 degree, by 3 blocks of trapezoidal steel plates 203 simultaneously perpendicular to steel plate 201 and steel plate 202, is equidistantly welded on respectively on steel plate 201, steel plate 202, plays fixed support effect; Steel plate 201 is made a call to 8 mounting holes, and steel plate 201 is connected on framework 1 through mounting hole by pin 11, steel plate 202 is made a call to 8 mounting holes, is fixed by locating piece 3 with 8 pairs of nuts 12 and bolt 13 by mounting hole;
C) locating piece 3 is processed by one piece of square bloom, according to the width of propeller shank, the position equidistant apart from bloom both sides processes two protrusion ribs perpendicular to locating piece 3 surface on the surface in locating piece 3 side, and the thickness of rib is identical with the base plate thickness of locating piece 3; Protrude each processing two holes on rib at two, the direction in hole is parallel with the bloom surface of locating piece 3, and the size of the mounting hole of hole and propeller shank matches; Each processing three holes on the dual-side of locating piece 3, and hole is mated with the size of the mounting hole of support 202, locating piece 3 and bearing 2 is fixed together by 4 bolts 12 and 4 nuts 13; Curved the root of main blade is affixed on locating piece 3 by the hole that locating piece 3 protrudes on rib by latch 7, with fixing main propeller shank, main blade tip is naturally drooped by the effect of gravity, carries out waving inspection;
D) column 4 comprises square steel plate 401, square steel 402, square steel plate 403, square steel plate 401 and square steel plate 403 are foursquare steel plate, square steel 402 is bottom surfaces is foursquare quadrangular bloom, square steel plate 401 and square steel plate 403 are welded on respectively the upper and lower bottom surface of square steel 402, and the diagonal line of guarantor's steel plate 401 and square steel plate 403 overlaps with the diagonal line of the upper and lower bottom surface of square steel 402 respectively, respectively bore a mounting hole in the corner of square steel plate 401, square steel plate 403 respectively, by the mounting hole of square steel plate 403, column 4 is stabilized in ground base with four bolts 10;
E) bearing 5 comprises steel plate 501, steel plate 502, steel plate 503, its light plate 501, steel plate 502 are square, steel plate 503, place vertical with steel plate 502 for steel plate 501, and one end of one end of steel plate 501 and steel plate 502 is welded together, an overall formation right angle frame;
On the surface of the other end, 5 mounting holes are made a call at steel plate 501,5 mounting holes are equal with a back gauge of steel plate 501, a central small hole is wherein had to be positioned on the central axis on this limit, two macropores are symmetrically distributed in central axis both sides, distribute two rotational symmetry apertures outside central small hole, inside two macropores, the central axis on this limit below central small hole opens an aperture, open in the below of right side macropore one with the level aperture of this aperture; Steel plate 503 is a strip bloom, and steel plate 503 length is identical with steel plate 501, get the mounting hole matched with 5 mounting holes of steel plate 501 coboundary in a face of steel plate 503, with five pairs of register pins 504 and hex bolts 505 by these 5 mounting holes by steel plate 503 and steel plate 501 by being fixed together;
Respectively on the corner of steel plate 502 make a call to a hole, these four holes are corresponding with the mounting hole on steel plate 401, are firmly connected by support 5 pin 9, bolt 10 with four by the mounting hole on steel plate 502 with column 4;
F) scale 6 is placed on bearing 5 top, simultaneously with curved cross measure position of latch 7 being stablized scale 6; The blade tip of the main blade of compound substance is naturally drooped by the effect of gravity, and the scale on blade tip top institute cuing scale 6 is waves amount of deflection check result.
Claims (1)
1. blade flapping amount of deflection checks a frock, it is characterized in that, described blade flapping amount of deflection checks that frock comprises framework [1], bearing [2], locating piece [3], column [4], bearing [5], scale [6];
A) framework [1] is made up of six parts, comprises steel plate [101], steel plate [102], square tube [103], square tube [104], square tube [105], square tube [106]; Side's plate [101] is one block of square steel plate, punches at the edge on steel plate four limit; The length of side of the length side of being less than plate [101] of square tube [106], one end of four square tubes [103] is welded on four angles of steel plate [101] successively by welding manner, and ensures that a stupefied difference of every root square tube is just to an angle of steel plate [101]; Four square tubes [106] are welded to each other and become a square box, together with four welded corner joints of the square box that the other end of four square tubes [103] forms with square tube [106] respectively; Steel plate [102] is one block of square steel plate, within the large 20mm of length of the side ratio square tube [106] of steel plate [102], the square box that one side surface of steel plate [102] and square tube [106] form welds together, and ensure that the diagonal line of the square box that steel plate [102] forms with square tube [106] overlaps, and make a call to two rounds in the side on steel plate [102] surface, wherein often row has 4 holes, and the hole of often arranging is equal with the distance of steel plate [102] this side; The length of steel pipe [104] is greater than the length of steel pipe [105] and is less than the length of side of steel plate [101], the length of steel pipe [105] is greater than the length of steel pipe [106], four steel pipes [104], four square tubes [105] join end to end respectively, be welded into square frame after, four of two square frames angles are welded with the middle part of four square tubes [103], respectively mutually with stable frame [1] structure; By the hole on steel plate [101], framework [1] is connected with ground with screw, makes framework [1] keep firm;
B) bearing [2] is made up of three parts.Steel plate [201] is mutually vertical with steel plate [202], and is overlapped on steel plate [201] and steel plate [202] limits, is welded to form right angle frame; The angle of the extended line of two sides of trapezoidal steel plate [203] is 90 degree, by 3 pieces of trapezoidal steel plates [203] simultaneously perpendicular to steel plate [201] and steel plate [202], equidistantly be welded on respectively on steel plate [201], steel plate [202], play fixed support effect; Above 8 mounting holes are made a call at steel plate [201], steel plate [201] is connected on framework [1] through mounting hole by pin [11], above make a call to 8 mounting holes at steel plate [202], by mounting hole, locating piece [3] is fixed with 8 pairs of nuts [12] and bolt [13];
C) locating piece [3] is processed by one piece of square bloom, according to the width of propeller shank, the position equidistant apart from bloom both sides processes two protrusion ribs perpendicular to locating piece [3] surface on the surface in locating piece [3] side, the thickness of rib is identical with the base plate thickness of locating piece [3]; Protrude each processing two holes on rib at two, the direction in hole is parallel with the bloom surface of locating piece [3], and the size of the mounting hole of hole and propeller shank matches; Each processing three holes on the dual-side of locating piece [3], and hole is mated with the size of the mounting hole of support [202], locating piece [3] and bearing [2] is fixed together by 4 bolts [12] and 4 nuts [13]; Curved the hole that the root of main blade is protruded on rib by locating piece [3] is affixed on locating piece [3] by latch [7], with fixing main propeller shank, main blade tip is naturally drooped by the effect of gravity, carries out waving inspection;
D) column [4] comprises square steel plate [401], square steel [402], square steel plate [403], square steel plate [401] and square steel plate [403] are foursquare steel plate, square steel [402] is bottom surface is foursquare quadrangular bloom, square steel plate [401] and square steel plate [403] are welded on the upper of square steel [402] respectively, bottom surface, and upper respectively with square steel [402] of the diagonal line of guarantor's steel plate [401] and square steel plate [403], the diagonal line of bottom surface overlaps, respectively in square steel plate [401], a mounting hole is respectively bored in the corner of square steel plate [403], by the mounting hole of square steel plate [403], column [4] is stabilized in ground base with four bolts [10],
E) bearing [5] comprises steel plate [501], steel plate [502], steel plate [503], its light plate [501], steel plate [502] are square, steel plate [503], place vertical with steel plate [502] for steel plate [501], and one end of one end of steel plate [501] and steel plate [502] is welded together, an overall formation right angle frame;
On the surface of the other end, 5 mounting holes are made a call at steel plate [501], 5 mounting holes are equal with a back gauge of steel plate [501], a central small hole is wherein had to be positioned on the central axis on this limit, two macropores are symmetrically distributed in central axis both sides, distribute two rotational symmetry apertures outside central small hole, inside two macropores, the central axis on this limit below central small hole opens an aperture, open in the below of right side macropore one with the level aperture of this aperture; Steel plate [503] is a strip bloom, and steel plate [503] length is identical with steel plate [501], get the mounting hole matched with 5 mounting holes of steel plate [501] coboundary in a face of steel plate [503], with five pairs of register pins [504] and hex bolts [505] by these 5 mounting holes by steel plate [503] with steel plate [501] by being fixed together;
Respectively on the corner of steel plate [502] make a call to a hole, these four holes are corresponding with the mounting hole on steel plate [401], are firmly connected by support [5] pin [9], bolt [10] with four by the mounting hole on steel plate [502] with column [4];
F) scale [6] is placed on bearing [5] top, simultaneously with curved cross measure position of latch [7] being stablized scale [6]; The blade tip of the main blade of compound substance is naturally drooped by the effect of gravity, and the scale in blade tip top institute cuing scale [6] is waves amount of deflection check result.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510001377.3A CN104655374A (en) | 2015-01-04 | 2015-01-04 | Inspection tool for blade flapping deflection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510001377.3A CN104655374A (en) | 2015-01-04 | 2015-01-04 | Inspection tool for blade flapping deflection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104655374A true CN104655374A (en) | 2015-05-27 |
Family
ID=53246764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510001377.3A Pending CN104655374A (en) | 2015-01-04 | 2015-01-04 | Inspection tool for blade flapping deflection |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104655374A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108144766A (en) * | 2016-12-06 | 2018-06-12 | 江西昌河航空工业有限公司 | A kind of blade paint spraying tooling |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020069706A1 (en) * | 2000-11-07 | 2002-06-13 | Minoru Uchida | Flap test system |
CN2777529Y (en) * | 2005-02-04 | 2006-05-03 | 株洲时代新材料科技股份有限公司 | Automatic measuring test data acquiring device for small deforming of elastic element |
US20080281533A1 (en) * | 2007-05-11 | 2008-11-13 | Airbus France | Process and device for controlling the deformation of a metal part, in particular for redressing a metal part |
CN201408112Y (en) * | 2009-05-25 | 2010-02-17 | 上海同韵环保能源科技有限公司 | Loading test device for fan blade of wind generating set |
CN101813055A (en) * | 2010-05-11 | 2010-08-25 | 无锡风电设计研究院有限公司 | Wind driven generator with blade-tip deflection detection |
-
2015
- 2015-01-04 CN CN201510001377.3A patent/CN104655374A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020069706A1 (en) * | 2000-11-07 | 2002-06-13 | Minoru Uchida | Flap test system |
CN2777529Y (en) * | 2005-02-04 | 2006-05-03 | 株洲时代新材料科技股份有限公司 | Automatic measuring test data acquiring device for small deforming of elastic element |
US20080281533A1 (en) * | 2007-05-11 | 2008-11-13 | Airbus France | Process and device for controlling the deformation of a metal part, in particular for redressing a metal part |
CN201408112Y (en) * | 2009-05-25 | 2010-02-17 | 上海同韵环保能源科技有限公司 | Loading test device for fan blade of wind generating set |
CN101813055A (en) * | 2010-05-11 | 2010-08-25 | 无锡风电设计研究院有限公司 | Wind driven generator with blade-tip deflection detection |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108144766A (en) * | 2016-12-06 | 2018-06-12 | 江西昌河航空工业有限公司 | A kind of blade paint spraying tooling |
CN108144766B (en) * | 2016-12-06 | 2021-07-02 | 江西昌河航空工业有限公司 | Paddle paint spraying tool |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201931231U (en) | Assembling and welding tooling for steel pipes and flanges | |
CN203270600U (en) | Fixed support for installing embedded bolts of high-precision equipment | |
CN108155482B (en) | Structure of high-precision reflecting surface antenna combined panel and adjusting method thereof | |
CN103308663A (en) | Geotechnical engineering landslide model test box | |
JP5851699B2 (en) | Assembly jigs used for assembling large structures | |
CN111852052A (en) | Steel pipe column bracket accurate positioning control tool and positioning control method thereof | |
CN104655374A (en) | Inspection tool for blade flapping deflection | |
CN111015061A (en) | Manufacturing method and welding tool for tin bath bottom plate steel structure frame | |
CN207672743U (en) | A kind of I-shaped assembling type node | |
CN204007580U (en) | Steering column phasing degree testing agency | |
CN108955497B (en) | Device and method for inspecting through opening of secondary truss in space pipe truss | |
CN211331996U (en) | Molten tin bath bottom plate steel constructs frame welding frock | |
CN211523499U (en) | Hexagonal aluminum alloy building structure | |
CN207568205U (en) | The moulding bed quickly positioned for truss assembly rod piece | |
CN212453700U (en) | Assembly type assembled jig frame convenient to disassemble and capable of accurately adjusting height | |
CN109322396B (en) | Device for reinforcing and protecting wood structure beam column joints | |
CN105690618A (en) | Molding method of large radio antenna mold | |
CN211665933U (en) | Steel structural member convenient to assemble and disassemble | |
CN201764953U (en) | Support tray for inspection of crankshaft | |
CN110299599B (en) | Space structure counterweight device for reflecting surface antenna | |
CN215725541U (en) | Balanced beam hole comprehensive testing device | |
CN108843004A (en) | A kind of high-precision support unit and its assembling method | |
JP2017155489A (en) | Basic assembly stand of outer wall panel and construction method of outer wall surface material | |
CN219818608U (en) | Welding positioning mechanism | |
CN218955778U (en) | Perpendicularity calibrating device for mounting assembled building steel structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |
|
WD01 | Invention patent application deemed withdrawn after publication |