CN104343128A - Vertical connecting structure for tower crane underframe and foundation - Google Patents
Vertical connecting structure for tower crane underframe and foundation Download PDFInfo
- Publication number
- CN104343128A CN104343128A CN201310332647.XA CN201310332647A CN104343128A CN 104343128 A CN104343128 A CN 104343128A CN 201310332647 A CN201310332647 A CN 201310332647A CN 104343128 A CN104343128 A CN 104343128A
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- connecting bolt
- vertical connecting
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- 239000004567 concrete Substances 0.000 claims abstract description 43
- 238000004873 anchoring Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 18
- 239000004575 stone Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/165—Shapes polygonal
- E02D2200/1664—Shapes polygonal made from multiple elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A vertical connecting structure for a tower crane underframe and a foundation comprises vertical connecting bolts, a positioning connecting structure and a positioning anchoring structure. The upper portion of the positioning connecting structure is perpendicular to a crossed beam of the tower crane underframe, and the lower portion of the positioning anchoring structure can move along the transverse direction of the crossed beam of the underframe and is perpendicular to the assembled tower crane concrete foundation. Positions of foundation bolts along the transverse direction of the crossed beam of the underframe are free of limitation of concrete, and diameter and length of the foundation bolts can be changed according to specific requirements, so that high applicability of the vertical positioning connecting structure between standardized and serialized concrete foundation structures and tower cranes of different manufacturers and different in underframe crossed beam structures is realized.
Description
Technical field the present invention relates to the vertical connection construction that the cycle moves the undercarriage bea using or fix assembling tower crane concrete basis and the upper column machine used.
Background technology is current, cycle in building, electric power, oil, information, Di Kuang, military each field move use as built fixed tower machine, wind-driven generator, oil production machine, signal pylon, rig, the tower mast-type mechanical equipment bases such as heavy ground-based radar, mostly adopt integral cast-in-situ concrete basis, its obvious drawback is, resource utilization is extremely low, long construction period, and cold district fabrication cycle is longer, can not reuse, cause ample resources to waste and environment pollution simultaneously.Existing concrete prefabricated parts cross assembling tower crane base comes out in recent years, opens foundation for tower crane assembling, reuses, the light-weighted direction and way-out of foundation concrete prefabricated units.But reuse for assembling tower crane base and the large Technological Economy target of lightweight two, the waste that combining form fixedly causes by tower machine underframe cross beam restricts of existence foundation structure design and the narrow situation of adaptive surface; Prior art is to bearing tilting moment and the less tower machine of vertical force, especially the fixed tower crane having underframe cross beam of China's tower crane recoverable amount more than 80% is accounted for, the physical dimension difference being more badly in need of the underframe cross beam of the same model tower machine solving domestic each manufacturer production technically causes the vertical connection construction of the assembling type base of a kind of model of the different formation of structure connected vertically from basis cannot be connected with the underframe cross beam of the same model tower machine of several producer is vertical, that is the versatility on concrete basis and broad applicability problem.Although more existing non-onces build displacement and diameter, a length conversion difficult problem that dead vertical positioning connection structure of fang bolt solves stone bolt, but cause damage to the cross section of concrete basis rood beam all to some extent, the anti-corrosion of stone bolt lower end structure and constructions cost problem also can become a new difficult problem for combination foundation structural safety and industrialization.The industrialization of assembling type base facts have proved, this is that the assembling tower crane base that affects that must break through accelerates to realize the technical bottleneck problem of industrialization.
Summary of the invention object of the present invention and task are to provide and a kind ofly can meet the underframe of tower machine and the vertical connection request on concrete basis, at several the vertical tie points set along tower machine underframe cross beam y direction, stone bolt position laterally can be located arbitrarily along tower machine underframe cross beam, make stone bolt arrange by the width of different underframe cross beams and carry out located lateral to underframe cross beam simultaneously, the diameter of stone bolt, length also can carry out by the detailing requiments of different tower machine a kind of perpendicular positioning connecting structure of adjusting.Thus eliminate due to the tower machine of the same service behaviour rank of each manufacturer production different underframe cross beams and and the assembling type base of the sizing of the concrete different perpendicular positioning connecting structure in basis and factorial praluction between cannot be general drawback, create conditions for accelerating to realize the standardization of assembling tower crane base, factorial praluction and reduction use cost.
Technical scheme the present invention includes No. 1, vertical connecting bolt, (1) the concrete single footing beam and slab structure of Lower Half and assembling tower crane base, (21) infrastructure of anchoring is connected, (100) respectively with No. 1, vertical connecting bolt, (1) underframe cross beam of the first half and tower machine, (16) be connected No. 1, superstructure, or No. 2, superstructure (101), (102) common No. 1, the vertical connection construction form formed, or No. 2, vertical connection construction form (201), (202).
Infrastructure (100): be horizontally disposed with horizontal anchor groove (24) below plane on the concrete of the concrete grade beam (19) of concrete single footing beam and slab structure (21), the plane longitudinal axis of horizontal anchor groove (24) and the plane longitudinal axis orthogonal of concrete grade beam (19) or underframe cross beam (16), and the upper plane of horizontal anchor groove (24) is equal with the upper plane of concrete grade beam (19); The section of horizontal anchor groove (24) is U-shaped, two parallel edges outer rims above the horizontal anchor trough floor (5) of to be the horizontal lower surface of anchor groove cant board (6) and the shape of level of the rectangle of congruence by vertical 2 shapes be rectangle are connected, make the inner vertical facade of 2 horizontal anchor groove cant boards (6) parallel, the outer side elevation of 2 horizontal anchor groove cant boards (6) is connected with dowel (10); 2 sections be the horizontal anchor groove block piece (4) of the rectangle of congruence outer side elevation respectively anchor groove cant board (6) horizontal in 2 inner side facade top blind-mate and be connected, and make the upper plane of 2 horizontal anchor groove block pieces (4) equal with the upper transverse plane of 2 horizontal anchor groove cant boards (6) and distance that is parallel with inner vertical facade that is equal above the concrete of concrete grade beam (19), 2 horizontal anchor groove block pieces (4) and the inner side facade of 2 horizontal anchor groove block pieces (4) is greater than the diameter of vertical connecting bolt No. 1 (1); On horizontal anchor trough floor (5), being provided with section along horizontal anchor trough floor (5) longitudinal axis is that the transverse horizontal key (22) of rectangle is connected with horizontal anchor trough floor (5); Anchor No. 1 (3) horizontal profile is rectangle or the polygon having 2 symmetrical parallel limits, and the distance on this symmetrical parallel limit is less than the distance between 2 interior facades of horizontal anchor groove cant board (6) and coordinates with the interior facade of 2 horizontal anchor groove cant boards (6); Be provided with in the planar central of anchor No. 1 (3) No. 1, the vertical circular port (12) that diameter is greater than vertical connecting bolt No. 1 (1) diameter, be provided with spherical concave surface (7) No. 1, horizontal anchor groove (9) down in the lower end of hole No. 1 (12) and the intersection, lower surface of anchor No. 1 (3); The profile and hole No. 1 (12) in No. 1, profile and the hole (12) and anchor No. 1 (3) of anchor No. 2 (25) are identical, being provided with horizontal profile in the bottom of hole No. 1 (12) is that the downward opening prismatic groove No. 2, horizontal anchor groove (26) and hole No. 1 (12) of regular hexagon is communicated with, and No. 2, horizontal anchor groove (26) coordinates with the turret head of vertical connecting bolt No. 2 (2) bottoms; As shown in Fig. 9,10;
Below underframe cross beam (16), be provided with backing plate (17), below underframe cross beam (16) and backing plate (17) above between blind-mate; Below backing plate (17) and concrete grade beam (19) above between be provided with high strength dry cement mortar (18); As shown in Fig. 1,2,3,4,5;
The bottom of vertical connecting bolt No. 1 (1) is the cylinder that the vertical axes heart overlaps with the vertical axes heart of vertical connecting bolt No. 1 (1), this cylinder diameter is greater than the diameter of vertical connecting bolt No. 1 (1), and is provided with spherical concave surface (7) blind-mate of spherical convex surface (8) and anchor No. 1 (3) lower surface above this cylinder annular; Be provided with downward opening groove (23) in the lower surface of vertical connecting bolt No. 1 (1) to coordinate with the transverse horizontal key (22) be positioned on horizontal anchor trough floor (5); As shown in Fig. 3,4,5; No. 2, vertical connecting bolt (2) is with the difference of vertical connecting bolt No. 1 (1), and the bottom of vertical connecting bolt No. 2 (2) is provided with turret head and coordinates with the horizontal anchor groove No. 2 (26) being located at anchor No. 2 (25) bottoms; As shown in Fig. 9,10.
No. 1, superstructure (101): the cross section of cross-arm No. 1 (15) is square shape or II font, cross-arm No. 1 (15) plane longitudinal axis is symmetrical arranged along the vertical horizontal axis overlapped of No. 1, cross-arm (15) and underframe cross beam (16) longitudinal axis individual vertical No. 2, the hole (13) of n, and the internal diameter of hole No. 2 (13) is greater than the external diameter of vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2) and coordinates with vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2); Wherein, n be more than or equal to 1 integer; Blind-mate between the lower plane of cross-arm No. 1 (15) and the upper plane of underframe cross beam (16), being upward through the upper end protruding from vertical connecting bolt No. 1 (1) above No. 1, cross-arm (15) or vertical connecting bolt No. 2 (2) in hole No. 2 (13), the upper end external screw thread of the internal thread of nut (14) and vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2) is had to coordinate; As shown in Fig. 3,4,5,6,7,8;
Or more No. 2, cage structure (102) substitute No. 1, superstructure (101), No. 2, superstructure (102): No. 2, superstructure (102) is with the difference of superstructure No. 1 (101), replaces No. 1, cross-arm (15) with No. 2, cross-arm (27); Cross section and the cross-arm No. 1 (15) of cross-arm No. 2 (27) are identical, be symmetrical arranged each 1 vertical No. 3, hole (20) along cross-arm No. 2 (27) on cross-arm No. 2 (27) plane longitudinal axis with the vertical horizontal axis overlapped of underframe cross beam (16) longitudinal axis, and substitute No. 2, hole (13) with No. 3, hole (20); Along the cross section congruence in any hole No. 3 (20) of cross-arm No. 2 (27) longitudinal axis, and the width of hole No. 3 (20) be greater than vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2) external diameter and with the major diameter fit of vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2); As shown in Fig. 3,4,5,6,7,8.
Beneficial effect the present invention adopts and stone bolt and concrete be may be combined with the structure be separated, achieve stone bolt to locate arbitrarily along several vertical tie points that concrete grade beam y direction is setting, and make stone bolt lateral attitude not by the restriction of the construction size of tower machine underframe cross beam, and the diameter of stone bolt, length are unrestricted can adjust conversion arbitrarily, its dominance is:
One, on the sizing tower machine assembling concrete basis of batch production, standardized production, the perpendicular positioning connecting structure with versatility is set between the tower machine underframe cross beam of the different perpendicular positioning connecting structure of same service behaviour rank, by this structure, achieve standardized basis to be connected with effective perpendicular positioning of the tower machine underframe cross beam of known nonstandardized technique, change can not be possible.
Two, the foundation concrete cross section of stone bolt place section is weakened, and ensure that the overall construction intensity on concrete basis.
Three, eliminate the corrosion problem of the stone bolt infrastructure on base concrete below plane, simplify structure, save basic cost.
Accompanying drawing illustrates that the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Accompanying drawing 1---a kind of tower machine underframe is connected the general layout plan of locating with the vertical connection construction on basis with assembling tower crane base
Accompanying drawing 2---a kind of tower machine underframe is connected total sectional drawing of locating with the vertical connection construction on basis with assembling tower crane base
Accompanying drawing 3---the general layout plan of vertical connection construction form No. 1 (201)
Accompanying drawing 4---the longitudinal sectional drawing of vertical connection construction form No. 1 (201)
Accompanying drawing 5---the transverse cross-sectional view of vertical connection construction form No. 1 (201)
Accompanying drawing 6---the general layout plan of vertical connection construction form No. 2 (202)
Accompanying drawing 7---the longitudinal sectional drawing of vertical connection construction form No. 2 (202)
Accompanying drawing 8---the transverse cross-sectional view of vertical connection construction form No. 2 (202)
The horizontal profile K-K that No. 2, accompanying drawing 9---anchor (25) and vertical connecting bolt No. 2 (2) lower ends and horizontal anchor groove (24) coordinate schemes
The vertical section L-L that No. 2, accompanying drawing 10---anchor (25) and vertical connecting bolt No. 2 (2) lower ends and horizontal anchor groove (24) coordinate schemes
Detailed description of the invention Fig. 1,2,3,4,5,6,7,8, underframe cross beam 16 structural form that be connected 2 kind vertical with concrete grade beam 19 of tower machine described by 9,10.
Linkage editor of the present invention: the diverse location be connected with concrete grade beam 19 perpendicular positioning by the stone bolt of the underframe cross beam 16 intending each tower machine assembled, arranges horizontal anchor groove 24 in concrete grade beam 19; With the plane longitudinal axis crosspoint of concrete grade beam 19, backing plate 17 is set with horizontal anchor groove 24 for planar central, below backing plate 17 with above concrete grade beam 19, establishes high strength dry cement mortar 18 to make level above each backing plate 17; Installing underframe cross beam 16 is placed on backing plate 17;
Vertical connecting bolt No. 11 is upward through from No. 1 12, the hole of anchor No. 13, make to be positioned at spherical convex surface 8 above vertical connecting bolt No. 11 lower end to coordinate with the spherical concave surface 7 of the horizontal anchor groove No. 19 being positioned at anchor No. 13 lower surfaces, make the groove 23 being positioned at vertical connecting bolt No. 11 lower surface align with the transverse horizontal key 22 of horizontal anchor groove 24 simultaneously; The composite member transverse horizontal of vertical connecting bolt No. 11 and anchor No. 13 is displaced between symmetrically arranged 2 vertical connecting bolts No. 11 and the side of underframe cross beam 16 and leaves gap; By the vertical connecting bolt No. 11 of symmetry vertically upward through the hole No. 3 20 of No. 2 13, the hole of cross-arm No. 1 15 or cross-arm No. 2 27, make below cross-arm No. 1 15 or cross-arm No. 2 27 and underframe cross beam 16 above between gapless, and make No. 1, vertical connecting bolt 1 vertical, loading nut 14 coordinates with the external screw thread of vertical connecting bolt No. 11 upper end, makes underframe cross beam 16 be connected location with concrete grade beam 19 that is with concrete single footing beam and slab structure 21 is vertical; As shown in Fig. 1,2,3,4,5.
Or be upward through from No. 1 12, the hole of anchor No. 2 25 with vertical connecting bolt No. 22, the turret head being positioned at vertical connecting bolt No. 22 lower ends is coordinated with the horizontal anchor groove No. 2 26 being positioned at anchor No. 2 25 lower surfaces; The composite member horizontal alignment of vertical connecting bolt No. 22 and anchor No. 2 25 is entered horizontal anchor groove 24, and gap is left in be shifted composite member to the side of symmetrically arranged 2 vertical connecting bolts No. 22 and underframe cross beam 16 of vertical connecting bolt No. 22 and anchor No. 2 25 of transverse horizontal; The vertical connecting bolt No. 22 of symmetry is upward through the hole No. 3 20 of No. 2 13, the hole of cross-arm No. 1 15 or cross-arm No. 2 27, and make No. 2, vertical connecting bolt 2 vertical, the upper external screw thread that loading nut 14 and vertical connecting bolt are No. 22 coordinates, and makes underframe cross beam 16 be connected location with concrete grade beam 19 that is with concrete single footing beam and slab structure 21 is vertical; As shown in Fig. 9,10,1,2,3,4,5.
The inverse operation contrary with above-listed assemble sequence, disassembles structure of the present invention.
Claims (1)
1. the vertical connection construction on tower machine underframe and basis comprises the perpendicular positioning connecting structure of vertical connecting bolt and top and a tower machine underframe cross beam and its underpart perpendicular positioning anchoring structure with assembling tower crane concrete basis displaceable along underframe cross beam transverse direction, it is characterized in that:
Infrastructure (100): be horizontally disposed with horizontal anchor groove (24) below plane on the concrete of the concrete grade beam (19) of concrete single footing beam and slab structure (21), the plane longitudinal axis of horizontal anchor groove (24) and the plane longitudinal axis orthogonal of concrete grade beam (19) or underframe cross beam (16), and the upper plane of horizontal anchor groove (24) is equal with the upper plane of concrete grade beam (19); The section of horizontal anchor groove (24) is U-shaped, and the outer side elevation of 2 horizontal anchor groove cant boards (6) is connected with dowel (10); 2 sections be the horizontal anchor groove block piece (4) of the rectangle of congruence outer side elevation respectively anchor groove cant board (6) horizontal in 2 inner side facade top blind-mate and be connected, and make the upper plane of 2 horizontal anchor groove block pieces (4) equal with the upper transverse plane of 2 horizontal anchor groove cant boards (6) and distance that is parallel with inner vertical facade that is equal above the concrete of concrete grade beam (19), 2 horizontal anchor groove block pieces (4) and the inner side facade of 2 horizontal anchor groove block pieces (4) is greater than the diameter of vertical connecting bolt No. 1 (1); Anchor No. 1 (3) horizontal profile is rectangle or the polygon having 2 symmetrical parallel limits, and the distance on this symmetrical parallel limit is less than the distance between 2 interior facades of horizontal anchor groove cant board (6) and coordinates with the interior facade of 2 horizontal anchor groove cant boards (6); Be provided with in the planar central of anchor No. 1 (3) No. 1, the vertical circular port (12) that diameter is greater than vertical connecting bolt No. 1 (1) diameter, be provided with spherical concave surface (7) No. 1, horizontal anchor groove (9) down in the lower end of hole No. 1 (12) and the intersection, lower surface of anchor No. 1 (3); The profile and hole No. 1 (12) in No. 1, profile and the hole (12) and anchor No. 1 (3) of anchor No. 2 (25) are identical, and being provided with horizontal profile in the bottom of hole No. 1 (12) is that the downward opening prismatic groove No. 2, horizontal anchor groove (26) and hole No. 1 (12) of regular hexagon is communicated with;
The bottom of vertical connecting bolt No. 1 (1) is the cylinder that the vertical axes heart overlaps with the vertical axes heart of vertical connecting bolt No. 1 (1), this cylinder diameter is greater than the diameter of vertical connecting bolt No. 1 (1), and is provided with spherical convex surface (8) above this cylinder annular; No. 2, vertical connecting bolt (2) is with the difference of vertical connecting bolt No. 1 (1), and the bottom of vertical connecting bolt No. 2 (2) is provided with turret head;
No. 1, superstructure (101): the cross section of cross-arm No. 1 (15) is square shape or II font, cross-arm No. 1 (15) plane longitudinal axis is symmetrical arranged along the vertical horizontal axis overlapped of No. 1, cross-arm (15) and underframe cross beam (16) longitudinal axis individual vertical No. 2, the hole (13) of n, wherein, n be more than or equal to 1 integer; Being upward through the upper end protruding from vertical connecting bolt No. 1 (1) above No. 1, cross-arm (15) or vertical connecting bolt No. 2 (2) in hole No. 2 (13), the upper end external screw thread of the internal thread of nut (14) and vertical connecting bolt No. 1 (1) or vertical connecting bolt No. 2 (2) is had to coordinate;
Or more No. 2, cage structure (102) substitute No. 1, superstructure (101), No. 2, superstructure (102): No. 2, superstructure (102) is with the difference of superstructure No. 1 (101), replaces No. 1, cross-arm (15) with No. 2, cross-arm (27); Cross section and the cross-arm No. 1 (15) of cross-arm No. 2 (27) are identical, be symmetrical arranged each 1 vertical No. 3, hole (20) along cross-arm No. 2 (27) on cross-arm No. 2 (27) plane longitudinal axis with the vertical horizontal axis overlapped of underframe cross beam (16) longitudinal axis, and substitute No. 2, hole (13) with No. 3, hole (20); Along the cross section congruence in any hole No. 3 (20) of cross-arm No. 2 (27) longitudinal axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310332647.XA CN104343128B (en) | 2013-08-02 | 2013-08-02 | A kind of tower machine underframe and basic vertical connection construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310332647.XA CN104343128B (en) | 2013-08-02 | 2013-08-02 | A kind of tower machine underframe and basic vertical connection construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343128A true CN104343128A (en) | 2015-02-11 |
| CN104343128B CN104343128B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310332647.XA Expired - Fee Related CN104343128B (en) | 2013-08-02 | 2013-08-02 | A kind of tower machine underframe and basic vertical connection construction |
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| CN (1) | CN104343128B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201660906U (en) * | 2010-04-08 | 2010-12-01 | 赵正义 | Connection structure of underframe foundation of tower mast type mechanical equipment |
| CN203498852U (en) * | 2013-08-02 | 2014-03-26 | 赵正义 | Vertical connecting structure of tower crane chassis and foundation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU567782A1 (en) * | 1975-11-27 | 1977-08-05 | Научно-Исследовательский Институт Оснований И Подземных Сооружений Им. Н.М. Герсеванова | Foundation for tower-type buildings |
-
2013
- 2013-08-02 CN CN201310332647.XA patent/CN104343128B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201660906U (en) * | 2010-04-08 | 2010-12-01 | 赵正义 | Connection structure of underframe foundation of tower mast type mechanical equipment |
| CN203498852U (en) * | 2013-08-02 | 2014-03-26 | 赵正义 | Vertical connecting structure of tower crane chassis and foundation |
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| Publication number | Publication date |
|---|---|
| CN104343128B (en) | 2016-05-04 |
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