CN104373048A - Connecting component with cross angle steel and installation method thereof - Google Patents
Connecting component with cross angle steel and installation method thereof Download PDFInfo
- Publication number
- CN104373048A CN104373048A CN201410613032.9A CN201410613032A CN104373048A CN 104373048 A CN104373048 A CN 104373048A CN 201410613032 A CN201410613032 A CN 201410613032A CN 104373048 A CN104373048 A CN 104373048A
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- Prior art keywords
- junction plate
- installation foot
- angle steel
- bolt hole
- cross angle
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- 238000009434 installation Methods 0.000 title claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000009792 diffusion process Methods 0.000 claims description 4
- 241000357293 Leptobrama muelleri Species 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000746 Structural steel Inorganic materials 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
- F16S3/04—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles designed for being joined to similar members in various relative positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
- F16S3/06—Assemblies of elongated members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a connecting component with cross angle steel and an installation method thereof. The connecting component comprises a connecting plate. At least one installation foot is arranged on the connecting plate. The installation foot is a piece of cross angle steel formed by connecting four pieces of equal angle steel back to back. The two ends of each piece of equal angle steel are provided with first bolt holes respectively. Second bolt holes are formed in the installation foot on the connecting plate. The second bolt hole position of the connecting plate is connected with one end of the installation foot through bolts. According to the connecting component, the connecting plate is arranged, at least one piece of cross angle steel formed by connecting the four pieces of equal angle steel back to back is used as the installation foot to be arranged on the connecting plate, the first bolt hole position at the other end of the installation foot is connected with an inclined strut web or a cross beam web through bolts, the connecting plate can be directly welded to a cross beam or a column, the number and positions of installation feet can be flexibly adjusted according to the number and positions of connecting rod pieces, the connecting component is safe, reliable, convenient to install and capable of greatly reducing welding workloads and steel consumption.
Description
Technical field
The present invention relates to a kind of connecting elements and mounting method thereof, particularly relate to a kind of connecting elements and the mounting method thereof with cross angle steel.
Background technology
Derrick is the important component part of oil-well rig, and main rising hangs various rig instrument required in drilling process, and equipment, bears various load in drilling well work, coordinates drilling well to get into the effect of target zone.The syndeton entity of a plane or the solid that each difform rod member (as diagonal brace, crossbeam or pillar) is formed is needed to form node during derrick design and installation.For steel structure derrick, wherein diagonal brace is connected with crossbeam, crossbeam and the connection of pillar and the connected node design of diagonal brace and pillar account for more than 80 percent of design of node, for the diagonal brace and the crossbeam that mainly bear axial force, end connected node is designed to hinged can meeting design requirement.Along with the development of solder technology and the constantly universal of high strength exploitation, adopt the Hybrid connections node of welding connection node and high strength exploitation node, namely bolt-weld joint node is widely used in the end connected node design of steel work ocean derrick.
Because connecting rod height is usually unequal, when being highly more or less the same, need to add pad, the diversity of member section causes needing to manufacture the different pad of various thickness, and installation difficulty is very large; When highly difference is larger, then need to carry out local variable cross-section process to connecting rod, considerably increase node steel using amount and welding job amount, manufacturing cost is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of connecting elements and the mounting method thereof with cross angle steel, safe and reliable, can greatly reduce welding job amount and steel using amount, easy for installation, the reduction of erection time, reduces manufacturing cost.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of connecting elements with cross angle steel, comprise junction plate, described junction plate is at least provided with an installation foot, described installation foot connects to form cross angle steel by four equal leg angles are back-to-back, the two ends of each equal leg angle all offer the first bolt hole, described junction plate is provided with the second bolt hole at installation foot place, and described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place.
The above-mentioned connecting elements with cross angle steel, wherein, described junction plate is class rectangular connecting panels.
The above-mentioned connecting elements with cross angle steel, wherein, the number of described installation foot is four, and described four installation feet are distributed in four diagonal angles place of class rectangular connecting panels.
The above-mentioned connecting elements with cross angle steel, wherein, on described junction plate the quantity of the quantity of the second bolt hole and pitch of holes and first bolt hole of installation foot one end and pitch of holes equal.
The above-mentioned connecting elements with cross angle steel, wherein, described junction plate is welded on crossbeam or pillar, and the other end of described installation foot is connected with the web bolt of diagonal brace at the first bolt hole place.
The above-mentioned connecting elements with cross angle steel, wherein, described junction plate is multiple at the number of second bolt hole at installation foot place, and the diagonal brace direction that described multiple second bolt hole connects along this installation foot is uniformly distributed at equal intervals.
The present invention also provides a kind of mounting method with the connecting elements of cross angle steel for solving the problems of the technologies described above, and comprises the steps: a) to select corresponding installation foot number and junction plate shape according to the number of diagonal brace to be connected; B) select H profile steel as crossbeam, and slot in the middle of the web of H profile steel, slot size and junction plate size match; C) described junction plate is put in the middle of web and be welded and fixed after fluting; D) described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place, the other end of described installation foot is connected by bolt with the web of diagonal brace at the first bolt hole place.
The above-mentioned mounting method with the connecting elements of cross angle steel, wherein, described installation foot number is multiple, and the centre of form of the attachment weld on described junction plate is close to the position of intersecting point of described multiple installation foot.
The present invention is for solving the problems of the technologies described above the mounting method also providing another kind to have the connecting elements of cross angle steel, comprise the steps: a) to select corresponding installation foot number according to the number of diagonal brace to be connected, and determine suitable junction plate out-to-out according to 30 degree of stress diffusion angle; B) described junction plate and pillar or beam welding are fixed; C) described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place, the other end of described installation foot is connected with the web of diagonal brace or the web bolt of crossbeam at the first bolt hole place.
The above-mentioned mounting method with the connecting elements of cross angle steel, wherein, described pillar is H profile steel, described H profile steel comprises two blocks of frange plates be arranged in parallel, the centre of described frange plate is connected by web, described junction plate to be welded in the middle of described web and parallel with described frange plate, or described junction plate to be welded on described frange plate and to align with described web.
The present invention contrasts prior art following beneficial effect: connecting elements and the mounting method thereof with cross angle steel provided by the invention, by arranging junction plate, and on junction plate, at least arrange one by four back-to-back cross angle steel connected to form of equal leg angle as installation foot, one end of installation foot is bolted on junction plate at the second bolt hole place, the other end is bolted the web of diagonal brace or the web of crossbeam at the first bolt hole place, described junction plate can directly be welded on crossbeam or pillar, the number of installation foot and position can adjust flexibly according to the number of rod member to be connected and position, safe and reliable, welding job amount and steel using amount can be greatly reduced, easy for installation, reduction of erection time, reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the connecting elements structural representation with cross angle steel of the present invention;
Fig. 2 is the structural representation of junction plate in Fig. 1;
Fig. 3 is the structural representation of equal leg angle in Fig. 1;
Fig. 4 is the structural representation of the connected node that junction plate of the present invention, diagonal brace and crossbeam are formed;
Fig. 5 is along Fig. 4 longitudinal centre line generalized section;
Fig. 6 is Fig. 4 middle transverse beam structure schematic diagram;
Fig. 7 is inclined support structure schematic diagram in Fig. 4;
Fig. 8 is the structural representation of a kind of connected node that junction plate of the present invention, diagonal brace, crossbeam and pillar are formed;
Fig. 9 is the decomposition texture schematic diagram of an installation foot on junction plate in Fig. 8;
Figure 10 is the structural representation of the another kind of connected node that junction plate of the present invention, diagonal brace, crossbeam and pillar are formed;
Figure 11 is the decomposition texture schematic diagram of Figure 10.
In figure:
1 junction plate 2 installation foot 3 first bolt hole
4 second bolt hole 5 crossbeam 6 diagonal braces
7 pillar 8 frange plate 9 webs
10 slotted eyes
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the connecting elements structural representation with cross angle steel of the present invention; Fig. 2 is the structural representation of junction plate in Fig. 1; Fig. 3 is the structural representation of equal leg angle in Fig. 1.
Refer to Fig. 1, Fig. 2 and Fig. 3, the connecting elements with cross angle steel provided by the invention comprises junction plate 1, described junction plate 1 is at least provided with an installation foot 2, described installation foot 2 connects to form cross angle steel by four equal leg angles are back-to-back, the two ends of each equal leg angle all offer the first bolt hole 3, described junction plate 1 is provided with the second bolt hole 4 at installation foot place, and described junction plate 1 is connected with a terminal bolt of described installation foot 2 at the second bolt hole 4 place.
The connecting elements with cross angle steel provided by the invention, wherein, the number of installation foot 2 and position determine according to the number of rod member to be connected and position, and determine the out-to-out of suitable junction plate 1 according to consideration 30 degree of stress diffusion angle.Described junction plate 1 is welded on crossbeam or pillar, and the other end of described installation foot 2 is connected with the web bolt of diagonal brace at this end first bolt hole 3 place.Described junction plate 1 can be multiple at the number of second bolt hole 4 at installation foot 2 place, and the diagonal brace direction that described multiple second bolt hole 4 connects along this installation foot is uniformly distributed at equal intervals.In installation foot 2, four the first bolts hole be spacedly distributed offered by each equal leg angle with the junction of junction plate 1 in Fig. 1, the every one side of junction plate 1 needs to be connected with two equal leg angles, therefore correspondingly, junction plate 1 is offered two at each installation foot 2 place and be ranked second bolt hole 4, and the number that often ranked second bolt hole 4 is four.
Fig. 4 is the structural representation of the connected node that junction plate of the present invention, diagonal brace and crossbeam are formed; Fig. 5 is along Fig. 4 longitudinal centre line generalized section.
Refer to Fig. 4 and Fig. 5, below for the connected node that diagonal brace and crossbeam are formed, the invention provides a kind of mounting method with the connecting elements of cross angle steel, comprise the steps:
A) corresponding installation foot number and junction plate shape is selected according to the number of diagonal brace to be connected; In the present embodiment, junction plate 1 selectes class rectangular connecting panels, and four diagonal angles place of class rectangular connecting panels arranges four installation feet 2 respectively and removes connection four diagonal braces 6;
B) select H profile steel as crossbeam 5, and slot in the middle of the web 9 of H profile steel; H profile steel comprises frange plate 8 and web 9, and form slotted eye 10 in the middle of web 9, slotted eye 10 size and junction plate size match, as shown in Figure 6;
C) described junction plate 1 is put in the middle of web and be welded and fixed after fluting; If installation foot number is multiple, the centre of form of the attachment weld on described junction plate is preferably close to the position of intersecting point of described multiple installation foot;
D) described junction plate 1 is connected with a terminal bolt of each installation foot 2 at the second bolt hole place, the other end of described installation foot is connected with the web bolt of diagonal brace 6 at the first bolt hole place; Diagonal brace 6 is H profile steel, its web is correspondingly provided with bolt hole and is connected with being bolted after the first bolt hole 3 alignment on installation foot, as shown in Figure 7.
In the present embodiment, four diagonal braces 6 are crossed as X-type, and the web of four diagonal braces 6 has all been offered bolt hole and has been connected by the other end of high-strength bolt with cross angle steel.As can be seen from the cross section of angle iron connecting piece, the back-to-back placements of four equal leg angles form the cross angle steel of composition, and the web that the first bolt hole 3, four diagonal braces have all been offered on the both sides of single connecting angle intersects with junction plate 1 one-tenth 90 degree to be placed.Above-mentioned connection, not by the restriction that member section height is different, connects simple.From force analysis, be positioned at that same cornerwise two diagonal braces are stressed is all pulling force or pressure, four diagonal braces make a concerted effort to be zero in point of intersection vertical force, four diagonal braces are used for designing the weld seam size of crossbeam 6 and junction plate 1 in the horizontal resultant size of point of intersection, owing to being that crossbeam 5 is slotted and to be welded to connect with junction plate 1 herein, have four road weld seams, therefore less leg height can meet force request.
Fig. 8 is the structural representation of a kind of connected node that junction plate of the present invention, diagonal brace, crossbeam and pillar are formed; Fig. 9 is the decomposition texture schematic diagram of an installation foot on junction plate in Fig. 8;
Please continue see Fig. 8 and Fig. 9, below for the connected node that diagonal brace, crossbeam and pillar are formed, the invention provides the mounting method that another kind has the connecting elements of cross angle steel, comprise the steps:
A) select corresponding installation foot number according to the number of diagonal brace to be connected, and consider that 30 degree of stress diffusion angle determine suitable junction plate out-to-out;
B) web of the right-angle side of described junction plate and pillar 7 is welded and fixed; C) described junction plate 1 is connected with a terminal bolt of described installation foot 2 at the second bolt hole place, the other end of described installation foot 2 is connected with the web of diagonal brace 6 or the web bolt of crossbeam 5 at this end first bolt hole place.The present embodiment selects two installation feet, one of them installation foot connecting cross beam 5, and another installation foot connects diagonal brace 6.
For pillar 7, generally select H profile steel, described H profile steel comprises two blocks of frange plates be arranged in parallel 8, and the centre of described frange plate 8 is connected by web 9, and it is middle and parallel with described frange plate 8 that described junction plate is welded on described web 9, as shown in Figure 8.
Certainly, sometimes need connect pillar position may just to the frange plate of pillar, now, only described junction plate need to be welded on described frange plate 8 and roughly to align with described web 9, without the need to increasing extra stiffener, the overall stress balance of connected node can be ensured equally well, as shown in Figure 10 and Figure 11.
Therefore, cross Bolted angle connection node is the hinged joint mainly bearing axle power, be applicable to when plate piece (or shape steel web) the Cheng Jiushi degree at node two ends intersects, the equal leg angle using four to have a bolt hole is back-to-back connects to form cross section connector by the plate of intersection by high strength exploitation.Connecting bolt used herein is high-strength bolt, and consider by friction-type connection, occur that slippage is for collapse state with rubbing surface, suffered by structure, axle power size determines the required diameter of bolt and number, and connecting angle sectional dimension.Cross Bolted angle connection is not by the depth of section Different Effects of connector, easy for installation.Axle power is directly delivered to connected piece both sides by cross angle iron connecting piece, and internal force transmits simple and direct, safe and reliable.The diagonal brace that ocean derrick is conventional and the general height of section of beam are between 250mm to 400mm, suffered axle power is between 400kN to 3000kN, conventional high-strength bolt diameter has M24, M30, M36, can according to the diameter of cross angle iron connecting piece cross section needed for the supporting selection of axle power size and connecting bolt and quantity during design.Concrete advantage of the present invention is as follows: 1, internal force transmits simple and direct, safe and reliable; 2, axle strong with pillar or weak axle are connected, or are connected with cantilever diaphragm, all only need weld one piece of junction plate, reduce welding job amount; 3, not by the impact that connected piece depth of section is different, node is simple, Saving steel amount, thus reduces manufacturing cost; 4, according to members shaft power size and depth of section, the cross angle iron connecting piece cross section of supporting selection and the diameter of bolt and quantity, be easy to parametrization, the reduction of erection time; 5, do not need pad, simultaneously bolt hole generally 2mm larger than the diameter of bolt, make to be provided with the surplus that positive and negative 4mm can regulate, easy for installation.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (10)
1. one kind has the connecting elements of cross angle steel, it is characterized in that, comprise junction plate, described junction plate is at least provided with an installation foot, described installation foot connects to form cross angle steel by four equal leg angles are back-to-back, the two ends of each equal leg angle all offer the first bolt hole, and described junction plate is provided with the second bolt hole at installation foot place, and described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place.
2. have the connecting elements of cross angle steel as claimed in claim 1, it is characterized in that, described junction plate is class rectangular connecting panels.
3. have the connecting elements of cross angle steel as claimed in claim 2, it is characterized in that, the number of described installation foot is four, and described four installation feet are distributed in four diagonal angles place of class rectangular connecting panels.
4. there is the connecting elements of cross angle steel as claimed in claim 2, it is characterized in that, on described junction plate the quantity of the quantity of the second bolt hole and pitch of holes and first bolt hole of installation foot one end and pitch of holes equal.
5. the connecting elements with cross angle steel as described in any one of Claims 1 to 4, is characterized in that, described junction plate is welded on crossbeam or pillar, and the other end of described installation foot is connected with the web bolt of diagonal brace at the first bolt hole.
6. there is the connecting elements of cross angle steel as claimed in claim 5, it is characterized in that, described junction plate is multiple at the number of second bolt hole at installation foot place, and the diagonal brace direction that described multiple second bolt hole connects along this installation foot is uniformly distributed at equal intervals.
7. there is a mounting method for the connecting elements of cross angle steel as claimed in claim 1, it is characterized in that, comprise the steps:
A) corresponding installation foot number and junction plate shape is selected according to the number of diagonal brace to be connected;
B) select H profile steel as crossbeam, and slot in the middle of the web of H profile steel, slot size and junction plate size match;
C) described junction plate is put in the middle of web and be welded and fixed after fluting;
D) described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place, the other end of described installation foot is connected by bolt with the web of diagonal brace at the first bolt hole place.
8. have the mounting method of the connecting elements of cross angle steel as claimed in claim 7, it is characterized in that, described installation foot number is multiple, and the centre of form of the attachment weld on described junction plate is close to the position of intersecting point of described multiple installation foot.
9. there is a mounting method for the connecting elements of cross angle steel as claimed in claim 1, it is characterized in that, comprise the steps:
A) select corresponding installation foot number according to the number of diagonal brace to be connected, and determine suitable junction plate out-to-out according to 30 degree of stress diffusion angle;
B) described junction plate and pillar or beam welding are fixed;
C) described junction plate is connected with a terminal bolt of described installation foot at the second bolt hole place, the other end of described installation foot is connected with diagonal brace web or cantilever diaphragm bolt at the first bolt hole place.
10. there is the mounting method of the connecting elements of cross angle steel as claimed in claim 9, it is characterized in that, described pillar is H profile steel, described H profile steel comprises two blocks of frange plates be arranged in parallel, the centre of described frange plate is connected by web, described junction plate to be welded in the middle of described web and parallel with described frange plate, or described junction plate to be welded on described frange plate and to align with described web.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741495.2A CN106151862B (en) | 2014-11-04 | 2014-11-04 | The installation method of connecting elements with cross angle steel |
| CN201410613032.9A CN104373048B (en) | 2014-11-04 | 2014-11-04 | There is connecting elements and the installation method thereof of cross angle steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613032.9A CN104373048B (en) | 2014-11-04 | 2014-11-04 | There is connecting elements and the installation method thereof of cross angle steel |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610741495.2A Division CN106151862B (en) | 2014-11-04 | 2014-11-04 | The installation method of connecting elements with cross angle steel |
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| Publication Number | Publication Date |
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| CN104373048A true CN104373048A (en) | 2015-02-25 |
| CN104373048B CN104373048B (en) | 2016-11-09 |
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| CN201410613032.9A Active CN104373048B (en) | 2014-11-04 | 2014-11-04 | There is connecting elements and the installation method thereof of cross angle steel |
| CN201610741495.2A Active CN106151862B (en) | 2014-11-04 | 2014-11-04 | The installation method of connecting elements with cross angle steel |
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| CN201610741495.2A Active CN106151862B (en) | 2014-11-04 | 2014-11-04 | The installation method of connecting elements with cross angle steel |
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| CN106939961A (en) * | 2017-04-12 | 2017-07-11 | 浙江海默精工科技有限公司 | A kind of safe fast-assembled steel channel connector |
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| JPH0835388A (en) * | 1994-07-25 | 1996-02-06 | Maeda Corp | Drilling device and drilling method |
| CN2752354Y (en) * | 2004-09-24 | 2006-01-18 | 中原石油勘探局勘察设计研究院 | Juncture component of steel structure beam column |
| CN101638914A (en) * | 2009-08-26 | 2010-02-03 | 北京中通合信通信工程设计院有限公司 | Node component of steel structure and assembling method thereof |
| CN201474085U (en) * | 2009-08-26 | 2010-05-19 | 北京中通合信通信工程设计院有限公司 | Node component of steel structure |
| CN101949211A (en) * | 2010-10-29 | 2011-01-19 | 中建三局建设工程股份有限公司 | Low-position few-fulcrum modularized integral jacking steel platform formwork system |
| CN201850795U (en) * | 2010-11-16 | 2011-06-01 | 中国电力工程顾问集团东北电力设计院 | Hinge center support frame steel structure |
| CN103669594A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column frame structure joint easy to restore after earthquake |
| CN204252840U (en) * | 2014-11-04 | 2015-04-08 | 国民油井华高石油设备（上海）有限公司 | There is the connecting elements of cross angle steel |
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2014
- 2014-11-04 CN CN201410613032.9A patent/CN104373048B/en active Active
- 2014-11-04 CN CN201610741495.2A patent/CN106151862B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0835388A (en) * | 1994-07-25 | 1996-02-06 | Maeda Corp | Drilling device and drilling method |
| CN2752354Y (en) * | 2004-09-24 | 2006-01-18 | 中原石油勘探局勘察设计研究院 | Juncture component of steel structure beam column |
| CN101638914A (en) * | 2009-08-26 | 2010-02-03 | 北京中通合信通信工程设计院有限公司 | Node component of steel structure and assembling method thereof |
| CN201474085U (en) * | 2009-08-26 | 2010-05-19 | 北京中通合信通信工程设计院有限公司 | Node component of steel structure |
| CN101638914B (en) * | 2009-08-26 | 2012-01-04 | 北京中通合信通信工程设计院有限公司 | Node component of steel structure and assembling method thereof |
| CN101949211A (en) * | 2010-10-29 | 2011-01-19 | 中建三局建设工程股份有限公司 | Low-position few-fulcrum modularized integral jacking steel platform formwork system |
| CN201850795U (en) * | 2010-11-16 | 2011-06-01 | 中国电力工程顾问集团东北电力设计院 | Hinge center support frame steel structure |
| CN103669594A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column frame structure joint easy to restore after earthquake |
| CN204252840U (en) * | 2014-11-04 | 2015-04-08 | 国民油井华高石油设备（上海）有限公司 | There is the connecting elements of cross angle steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106151862B (en) | 2019-03-05 |
| CN104373048B (en) | 2016-11-09 |
| CN106151862A (en) | 2016-11-23 |
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