CN201801884U - Vertical positioning connection system structure of underframe and foundation of tower mast mechanical equipment - Google Patents
Vertical positioning connection system structure of underframe and foundation of tower mast mechanical equipment Download PDFInfo
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- CN201801884U CN201801884U CN2010205464300U CN201020546430U CN201801884U CN 201801884 U CN201801884 U CN 201801884U CN 2010205464300 U CN2010205464300 U CN 2010205464300U CN 201020546430 U CN201020546430 U CN 201020546430U CN 201801884 U CN201801884 U CN 201801884U
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- stone bolt
- vertical
- end anchor
- underframe
- stone
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Abstract
The utility model relates to a vertical positioning connection system structure of an underframe and a foundation of tower mast mechanical equipment, which is characterized in that: an anchor bolt lower end anchoring structure, a preset anchor bolt vertical hole and a drain structure of a structure system are pre-embedded in a prefabricated concrete element so as to achieve the combination or disassembly of the anchor bolt and the prefabricated concrete element, and further achieve the repeated use of the anchor bolt and the prefabricated concrete element. The vertical positioning connection system structure can reduce the technology process of production and use, save steel materials and reduce cost, and provides technical conditions for the industrialization of the prefabricated concrete element assembly foundation of the tower mast mechanical equipment.
Description
Technical field the utility model relates to the cycle and moves and use or the grade beam on fixing tower mast-type mechanical equipment concrete basis of using is constructed with the perpendicular positioning of top plant equipment.
Background technology is present, the cycle in building, electric power, oil, information, Di Kuang, military each field move use as building tower mast type architecture basics such as fixed tower machine, wind-driven generator, oil production machine, signal pylon, rig and heavy ground-based radar, mostly adopt integral cast-in-situ concrete basis, its obvious drawback is, resource utilization is extremely low, long construction period, the cold district fabrication cycle is longer, the arid area constructional difficulties, can not reuse, cause ample resources waste and environment pollution simultaneously.Existing in recent years concrete prefabricated parts cross type foundation for tower crane comes out, and has opened up that the tower mast-type mechanical equipment base set is box-like, repeated use, the light-weighted direction of basic concrete prefabricated parts and road.But reuse and lightweight two big Technological Economy targets at tower mast mechanical equipment combined foundation, exist basic constructional design restricted by top plant equipment underframe cross beam and waste and the narrow situation of adaptive surface that combining form fixedly causes; Though more existing non-onces are built dead vertical positioning connection structure of fang bolt and have been solved the displacement of stone bolt and diameter, a length conversion difficult problem, but complex structure, be located at the single stone bolt complex structure especially on the basic axis especially separately, material usage cause greatly make and use cost big, the industrialization on combined type basis facts have proved that this is the technical bottleneck problem that tower mast mechanical equipment combined foundation accelerates to realize industrialization that influences that must break through.
The summary of the invention the purpose of this utility model provides the designing requirement that a kind of undercarriage bea that can satisfy tower mast-type mechanical equipment is connected with the perpendicular positioning of basic prefabricated concrete element with task, when being connected with basic concrete is vertical, the needs underframe makes stone bolt and basic concrete combination anchor location in the position of setting, when requiring underframe to separate, make the stone bolt that stone bolt separates with basic concrete and the system construction that is located by connecting of basic prefabricated concrete element with the basis, the characteristics of its system construction are simple structures, save steel and do not weaken the bulk strength of concrete structure, make and use the process minimizing, and realize to make and the low target of use cost, for the industrialization of tower mast-type mechanical equipment concrete prefabricated parts assembling type base provides technical condition.
Technical scheme the utility model comprises combination and the structure of decomposition and the positioning and connecting structure of stone bolt top and underframe of anchoring structure, stone bolt bottom and the basic concrete of stone bolt bottom and basic concrete.
In the concrete (1) of stone bolt (3) position of the basic concrete prefabricated parts of setting (18), be provided with stone bolt lower end anchor (4), the horizontal profile profile of stone bolt lower end anchor (4) is the steel tubular body that there is vertical circular hole at polygon or circle, center, has internal thread (13) to cooperate with the lower end external screw thread of stone bolt (3) on the aperture surface of the vertical circular hole of stone bolt lower end anchor (4); The annular dowel (6) with the outer diametric plane of stone bolt lower end anchor (4) cooperates that the outer diametric plane of stone bolt lower end anchor (4) is provided with level is connected with the outer diametric plane of stone bolt lower end anchor (4); Or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected with the outer diametric plane of stone bolt lower end anchor (4); Or establish annular dowel (6) simultaneously and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7); Be provided with internal diameter is connected with the lower surface of stone bolt lower end anchor (4) more than or equal to the vertical circular hole internal diameter of stone bolt lower end anchor (4) and with the draining duct (5) of stone bolt lower end anchor (4) endoporus concentric in the lower end of stone bolt lower end anchor (4); The lower end in draining duct (5) is positioned at the side elevation or the bottom surface of basic concrete prefabricated parts (18), and the pipe internal cavity in draining duct (5) and the circular hole of stone bolt lower end anchor (4) are connected; The section in draining duct (5) is circular, and the outer wall of draining duct (5) is the concrete (1) of plastics or steel or basic concrete prefabricated parts (18); Shown in Fig. 1,2,3,4.
Be provided with stone bolt vertical channel (2) in the concrete more than the upper surface of stone bolt lower end anchor (4), the perpendicular outer wall of stone bolt vertical channel (2) is concrete (1) or the steel pipe or the plastic pipe of basic concrete prefabricated parts (18), the internal cavity of stone bolt vertical channel (2) is the vertical cylinder of longitudinal axis or the up big and down small frustum of a cone of diameter, the horizontal profile of stone bolt vertical channel (2) is circular, the vertical longitudinal axis of the vertical longitudinal axis of the vertical longitudinal axis of stone bolt vertical channel (2) and the upright opening of stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, and the internal diameter of stone bolt vertical channel (2) is greater than the external diameter of stone bolt (3); The upper and lower end of stone bolt (3) double end is provided with screw thread, and the termination is established turret head or square head (10) or do not established turret head or square head (10) thereon; Shown in Fig. 3,4.
To be symmetrically distributed in two of underframe horizontal beam (16) both sides is the be located by connecting structure of underframe horizontal beam (16) of one group stone bolt (3): vertically be provided with stone bolt vertical channel (2) and stone bolt lower end anchor (4) and draining duct (5) from top to bottom in the concrete (1) of the basic concrete prefabricated parts (18) of the monosymmetric position of underframe horizontal beam (16), do not have the gap between the upper end of the lower end of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and between the upper end of the lower end of stone bolt lower end anchor (4) and draining duct (5); And the vertical axes line of the vertical axes line of the vertical axes line of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, the annular dowel (6) that is provided with level on the outer diametric plane of stone bolt lower end anchor (4) is connected with stone bolt lower end anchor (4), or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected, or on the outer diametric plane of stone bolt lower end anchor (4), be provided with annular dowel (6) and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7) with annular dowel (6); The lower end of 2 stone bolt (3) is passed stone bolt vertical channel (2) respectively vertically downward makes the bottom external screw thread of stone bolt (3) cooperate with the upright opening internal thread (13) of stone bolt lower end anchor (4); Two ends are provided with the vertical circular hole that internal diameter is slightly larger than stone bolt (3) external diameter and are seated from top to bottom on the last plane of basic concrete prefabricated parts (18) for the backing plate (15) that stone bolt (3) passes, and are provided with high strength dry cement mortar (14) between the last plane of backing plate (15) and concrete (1); Underframe horizontal beam (16) is located on the backing plate (15), two ends are provided with the vertical circular hole that internal diameter is slightly larger than stone bolt (3) external diameter and are across on the underframe horizontal beam (16) for the cross-arm (17) that stone bolt (3) vertically passes, and go up the upper end of 2 stone bolt (3) on plane and have the internal thread of 2 nuts (9) to cooperate with the upper end external screw thread of 2 stone bolt (3) respectively protruding from cross-arm (17); As Fig. 1,3 not.
Be located on underframe horizontal beam (16) longitudinal axis with isolated single-piece stone bolt (3) perpendicular positioning and connect the structure of underframe keeper (8) on basic concrete prefabricated parts (18): the position that is provided with stone bolt (3) at basic concrete prefabricated parts (18) vertically is provided with stone bolt vertical channel (2) and stone bolt lower end anchor (4) and draining duct (5) from top to bottom, and no gap cooperates between the upper end of between the upper end of the lower end of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the lower end of stone bolt lower end anchor (4) and draining duct (5); And the vertical axes line of the vertical axes line of the vertical axes line of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, the annular dowel (6) that is provided with level on the outer diametric plane of stone bolt lower end anchor (4) is connected with stone bolt lower end anchor (4), or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected, or on the outer diametric plane of stone bolt lower end anchor (4), be provided with annular dowel (6) and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7) with annular dowel (6); Be provided with external diameter and be slightly less than the sealing ring (12) of the external diameter of stone bolt (3) greater than back cut diameter, the internal diameter of stone bolt vertical channel (2) more than the plane of the concrete (1) of the upper end of stone bolt vertical channel (2), sealing ring (12) is the rubber sealing ring; On sealing ring (12), be provided with the steel packing ring (11) that internal orifice dimension is slightly larger than stone bolt (3) external diameter, between the last plane of the concrete (1) of the lower plane of packing ring (11) and basic concrete prefabricated parts (18), be provided with high strength dry cement mortar (14), the underframe keeper (8) that is connected as a single entity with underframe horizontal beam (16) is seated on the packing ring (11), the lower plane of underframe keeper (8) and packing ring (11) are gone up between the plane does not have the gap, or only establishes sealing ring (12) between the last plane of the baseplane of underframe keeper (8) and concrete (1); The upright opening confession stone bolt (3) that has internal diameter to be slightly larger than stone bolt (3) external diameter on the underframe keeper (8) vertically passes, and has the internal thread of nut (9) to cooperate with the upper end external screw thread of stone bolt (3) in the upper end of the stone bolt (3) that protrudes from the last plane of underframe keeper (8).Shown in Fig. 1,4.
Beneficial effect the utility model has been simplified the anchoring structure of stone bolt in concrete, the intensity and the integral rigidity of basic concrete structure have been strengthened, reduced the process of making and using, save steel and reduced the making and the use cost of the perpendicular positioning joint construction of concrete prefabricated parts assembling type base, correspondingly prolonged simultaneously the life-span of concrete prefabricated parts, increased the repeated use number of times of stone bolt, joint money energy-conserving and environment-protective and economic benefit are obvious.
Description of drawings is described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Accompanying drawing 1---chassis of tower mast-type mechanical equipment is constructed general layout plan with the perpendicular positioning connected system on basis
The A-A sectional drawing of the perpendicular positioning connected system structure on accompanying drawing 2---chassis of tower mast-type mechanical equipment and basis
The B B sectional drawing of the perpendicular positioning connected system structure on accompanying drawing 3---chassis of tower mast-type mechanical equipment and basis
The C-C sectional drawing of the perpendicular positioning connected system structure on accompanying drawing 4---chassis of tower mast-type mechanical equipment and basis
The perpendicular positioning connected system structure on specific embodiment the utility model chassis of tower mast-type mechanical equipment and basis shown in Fig. 1,2,3,4.
To be symmetrically distributed in two of underframe horizontal beam 16 both sides is the be located by connecting erection procedure of structure of underframe horizontal beam 16 of one group stone bolt 3:
By the underframe horizontal beam 16 of top tower mast-type mechanical equipment and underframe keeper 8 plan-position with the designing requirement of the perpendicular positioning joint construction of basic concrete prefabricated parts 18, embedding stone bolt lower end anchor 4 and draining duct 5 are provided with stone bolt vertical channel 2 simultaneously in the concrete 1 of basic concrete prefabricated parts 18; Shown in Fig. 1,2,3,4.
Basis concrete prefabricated parts 18 levels assembling in place and be connected as a single entity after, the lower end of stone bolt 3 vertically inserted respectively in each stone bolt vertical channel 2 and with the external screw thread of stone bolt 3 bottoms and the internal thread 13 of stone bolt lower end anchor 4 screw; Suit sealing ring 12 makes in stone bolt 3 between the last plane of the lower plane of sealing ring 12 and concrete 1 does not have the gap; Shop high strength dry cement mortar 14, backing plate 15 is installed on the high strength dry cement mortar 14 and make each backing plate 15 on planar horizontal; Behind the lifting underframe horizontal beam 16, cooperating with the upper end of symmetrical 2 stone bolt 3 with the two ends upright opening of cross-arm 17 between the last plane of the baseplane that drops to cross-arm 17 and underframe horizontal beam 16 does not have the gap; Internal thread with nut 9 cooperates with the upper end external screw thread of stone bolt 3, and swivel nut 9 makes underframe horizontal beam 16 and the basic concrete prefabricated parts 18 vertical location that are connected; As shown in Figure 3.
Be located on underframe horizontal beam 16 longitudinal axis and outside the erection procedure of the structure on the basic concrete prefabricated parts 18 is different with the erection procedure of the structure of the perpendicular positioning connection underframe horizontal beam 16 of the two part stone bolt 3 of cross-arm 17 cooperations, be with isolated single-piece stone bolt 3 perpendicular positionings connection underframe keeper 8:
After the internal thread of the lower end of stone bolt 3 external screw thread and stone bolt lower end anchor 4 screws, suit sealing ring 12 does not have the gap between the last plane of lower plane that makes sealing ring 12 on the stone bolt 3 and concrete 1, laying high-strength degree dry cement mortar 14 then, packing ring 11 is installed and is made the last plane of packing ring 11 equal with the last plane of each backing plate 15;
Decline underframe horizontal beams 16 made the upper end of stone bolt 3 pass the bolt hole of underframe keeper 8 after lifting underframe horizontal beam 16 made the vertical bolt on the underframe keeper 8 also vertically align stone bolt 3, screw with the internal thread of nut 9 and the external screw thread of stone bolt 3 upper ends, underframe keeper 8 is connected with basic concrete prefabricated parts 18 perpendicular positionings; As shown in Figure 4.
To finish underframe horizontal beam 16 and the decomposition of basic concrete prefabricated parts 18 and the decomposition of stone bolt 3 and basic concrete prefabricated parts 18 with the inverse operation of aforesaid operations program.
Claims (2)
1. chassis of tower mast-type mechanical equipment is constructed anchoring, combination and the structure that decomposes and the positioning and connecting structure of top and underframe that comprises stone bolt bottom and basic concrete with the perpendicular positioning connected system on basis, it is characterized in that:
In the concrete (1) of stone bolt (3) position of the basic concrete prefabricated parts of setting (18), be provided with stone bolt lower end anchor (4), the horizontal profile profile of stone bolt lower end anchor (4) is the steel tubular body that there is vertical circular hole at polygon or circle, center, has internal thread (13) to cooperate with the lower end external screw thread of stone bolt (3) on the aperture surface of the vertical circular hole of stone bolt lower end anchor (4); The annular dowel (6) with the outer diametric plane of stone bolt lower end anchor (4) cooperates that the outer diametric plane of stone bolt lower end anchor (4) is provided with level is connected with the outer diametric plane of stone bolt lower end anchor (4); Or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected with the outer diametric plane of stone bolt lower end anchor (4); Or establish annular dowel (6) simultaneously and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7); Be provided with internal diameter is connected with the lower surface of stone bolt lower end anchor (4) more than or equal to the vertical circular hole internal diameter of stone bolt lower end anchor (4) and with the draining duct (5) of stone bolt lower end anchor (4) endoporus concentric in the lower end of stone bolt lower end anchor (4); The lower end in draining duct (5) is positioned at the side elevation or the bottom surface of basic concrete prefabricated parts (18), and the pipe internal cavity in draining duct (5) and the circular hole of stone bolt lower end anchor (4) are connected; The section in draining duct (5) is circular, and the outer wall of draining duct (5) is the concrete (1) of plastics or steel or basic concrete prefabricated parts (18);
Be provided with stone bolt vertical channel (2) in the concrete more than the upper surface of stone bolt lower end anchor (4), the perpendicular outer wall of stone bolt vertical channel (2) is concrete (1) or the steel pipe or the plastic pipe of basic concrete prefabricated parts (18), the internal cavity of stone bolt vertical channel (2) is the vertical cylinder of longitudinal axis or the up big and down small frustum of a cone of diameter, the horizontal profile of stone bolt vertical channel (2) is circular, the vertical longitudinal axis of the vertical longitudinal axis of the vertical longitudinal axis of stone bolt vertical channel (2) and the upright opening of stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, and the internal diameter of stone bolt vertical channel (2) is greater than the external diameter of stone bolt (3); The upper and lower end of stone bolt (3) double end is provided with screw thread, and the termination is established turret head or square head (10) or do not established turret head or square head (10) thereon.
2. chassis of tower mast-type mechanical equipment as claimed in claim 1 is constructed with the perpendicular positioning connected system on basis, it is characterized in that:
To be symmetrically distributed in two of underframe horizontal beam (16) both sides is the be located by connecting structure of underframe horizontal beam (16) of one group stone bolt (3): vertically be provided with stone bolt vertical channel (2) and stone bolt lower end anchor (4) and draining duct (5) from top to bottom in the concrete (1) of the basic concrete prefabricated parts (18) of the monosymmetric position of underframe horizontal beam (16), do not have the gap between the upper end of the lower end of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and between the upper end of the lower end of stone bolt lower end anchor (4) and draining duct (5); And the vertical axes line of the vertical axes line of the vertical axes line of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, the annular dowel (6) that is provided with level on the outer diametric plane of stone bolt lower end anchor (4) is connected with stone bolt lower end anchor (4), or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected, or on the outer diametric plane of stone bolt lower end anchor (4), be provided with annular dowel (6) and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7) with annular dowel (6); The lower end of 2 stone bolt (3) is passed stone bolt vertical channel (2) respectively vertically downward makes the bottom external screw thread of stone bolt (3) cooperate with the upright opening internal thread (13) of stone bolt lower end anchor (4); Two ends are provided with the vertical circular hole that internal diameter is slightly larger than stone bolt (3) external diameter and are seated from top to bottom on the last plane of basic concrete prefabricated parts (18) for the backing plate (15) that stone bolt (3) passes, and are provided with high strength dry cement mortar (14) between the last plane of backing plate (15) and concrete (1); Underframe horizontal beam (16) is located on the backing plate (15), two ends are provided with the vertical circular hole that internal diameter is slightly larger than stone bolt (3) external diameter and are across on the underframe horizontal beam (16) for the cross-arm (17) that stone bolt (3) vertically passes, and go up the upper end of 2 stone bolt (3) on plane and have the internal thread of 2 nuts (9) to cooperate with the upper end external screw thread of 2 stone bolt (3) respectively protruding from cross-arm (17);
Be located on underframe horizontal beam (16) longitudinal axis with isolated single-piece stone bolt (3) perpendicular positioning and connect the structure of underframe keeper (8) on basic concrete prefabricated parts (18): the position that is provided with stone bolt (3) at basic concrete prefabricated parts (18) vertically is provided with stone bolt vertical channel (2) and stone bolt lower end anchor (4) and draining duct (5) from top to bottom, and no gap cooperates between the upper end of between the upper end of the lower end of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the lower end of stone bolt lower end anchor (4) and draining duct (5); And the vertical axes line of the vertical axes line of the vertical axes line of stone bolt vertical channel (2) and stone bolt lower end anchor (4) and the upper end of draining duct (5) overlaps and is same vertical line, the annular dowel (6) that is provided with level on the outer diametric plane of stone bolt lower end anchor (4) is connected with stone bolt lower end anchor (4), or on the outer diametric plane of stone bolt lower end anchor (4), be provided with vertical dowel (7) and be connected, or on the outer diametric plane of stone bolt lower end anchor (4), be provided with annular dowel (6) and be connected with the outer diametric plane of stone bolt lower end anchor (4) with vertical dowel (7) with annular dowel (6); Be provided with external diameter and be slightly less than the sealing ring (12) of the external diameter of stone bolt (3) greater than back cut diameter, the internal diameter of stone bolt vertical channel (2) more than the plane of the concrete (1) of the upper end of stone bolt vertical channel (2), sealing ring (12) is the rubber sealing ring; On sealing ring (12), be provided with the steel packing ring (11) that internal orifice dimension is slightly larger than stone bolt (3) external diameter, between the last plane of the concrete (1) of the lower plane of packing ring (11) and basic concrete prefabricated parts (18), be provided with high strength dry cement mortar (14), the underframe keeper (8) that is connected as a single entity with underframe horizontal beam (16) is seated on the packing ring (11), the lower plane of underframe keeper (8) and packing ring (11) are gone up between the plane does not have the gap, or only establishes sealing ring (12) between the last plane of the baseplane of underframe keeper (8) and concrete (1); The upright opening confession stone bolt (3) that has internal diameter to be slightly larger than stone bolt (3) external diameter on the underframe keeper (8) vertically passes, and has the internal thread of nut (9) to cooperate with the upper end external screw thread of stone bolt (3) in the upper end of the stone bolt (3) that protrudes from the last plane of underframe keeper (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205464300U CN201801884U (en) | 2010-09-29 | 2010-09-29 | Vertical positioning connection system structure of underframe and foundation of tower mast mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205464300U CN201801884U (en) | 2010-09-29 | 2010-09-29 | Vertical positioning connection system structure of underframe and foundation of tower mast mechanical equipment |
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| CN201801884U true CN201801884U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205464300U Expired - Lifetime CN201801884U (en) | 2010-09-29 | 2010-09-29 | Vertical positioning connection system structure of underframe and foundation of tower mast mechanical equipment |
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| CN (1) | CN201801884U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949154A (en) * | 2010-09-29 | 2011-01-19 | 赵正义 | Structure of perpendicular positioning connection system for tower type machine underframe and base |
| CN103352471A (en) * | 2013-07-19 | 2013-10-16 | 中国建筑股份有限公司 | Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof |
| CN105297768A (en) * | 2014-07-15 | 2016-02-03 | 赵正义 | Vertical connecting structure of tower crane and foundation |
-
2010
- 2010-09-29 CN CN2010205464300U patent/CN201801884U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949154A (en) * | 2010-09-29 | 2011-01-19 | 赵正义 | Structure of perpendicular positioning connection system for tower type machine underframe and base |
| CN103352471A (en) * | 2013-07-19 | 2013-10-16 | 中国建筑股份有限公司 | Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof |
| CN103352471B (en) * | 2013-07-19 | 2015-07-15 | 中国建筑股份有限公司 | Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof |
| CN105297768A (en) * | 2014-07-15 | 2016-02-03 | 赵正义 | Vertical connecting structure of tower crane and foundation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110420 Effective date of abandoning: 20120425 |