CN202899301U - Hold hoop device for jacking steel pipe concrete - Google Patents
Hold hoop device for jacking steel pipe concrete Download PDFInfo
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- CN202899301U CN202899301U CN2012206045002U CN201220604500U CN202899301U CN 202899301 U CN202899301 U CN 202899301U CN 2012206045002 U CN2012206045002 U CN 2012206045002U CN 201220604500 U CN201220604500 U CN 201220604500U CN 202899301 U CN202899301 U CN 202899301U
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- steel pipe
- anchor ear
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Abstract
The utility model discloses a hold hoop device for jacking steel pipe concrete. The hold hoop device comprises a steel pipe hold hoop and a hold hoop branch pipe, wherein the steel pipe hold hoop comprises an arc steel strap which can be attached to the side of a steel pipe and a fixing mechanism which is used for fixing the arc steel strap to the steel pipe; a circular hole corresponding to a steel pipe jacking hole is formed in the arc steel strap and fixedly connected with the hold hoop branch pipe; and a non-return device is arranged on the hold hoop branch pipe. By the hold hoop device, the connection efficiency of a pump pipe and the steel pipe during jacking of the steel pipe concrete is improved, the hold hoop device and the concrete conveying pump pipe can be reused, and interaction effects of the pump which indwells after the steel pipe concrete is jacked and other operations are reduced.
Description
Technical field
The utility model relates to a kind of construction implement, relates in particular to a kind of anchor ear instrument for the construction of steel pipe class concrete pumping pressure lift-up method.
Background technology
Concrete filled steel tube is as a kind of emerging combining structure, mainly take the compressed member of axial compression and active force small eccentricity as main, is widely used in (such as factory building and high level) in the frame construction.Developing rapidly of encased structures is because it has good stress performance and workability.In the steel core concrete column, steel pipe makes concrete be in the three dimension stress state to the concrete effect of contraction in its inside, has improved concrete compressive strength; The concrete of steel duct can prevent steel pipe generation cripling again effectively.Studies show that the bearing capacity of steel core concrete column is higher than corresponding steel pipe column bearing capacity and concrete column bearing capacity sum.Interaction between steel pipe and the concrete makes the concrete destruction of steel duct change plastic failure into by brittle fracture, and the ductile performance of member is obviously improved, and energy dissipation capacity improves greatly, has superior anti-seismic performance.
During the encased structures construction, steel pipe can be used as working load and the construction weight that stiff skeleton is born the construction stage, and construction is not subjected to the impact of concrete curing time.But in steel pipe concrete jacking construction, often adopt that perforate welding delivery pump pipe could the jacking concrete at the bottom of the steel pipe column.If the designer find to adopt the anchor ear link technique to carry out being connected of concrete delivery pump pipe and steel pipe according to long-term construction experience with being connected, then can greatly improve flexibility and the mobility of construction, improved efficiency of construction, make things convenient for the recycling of steel pipe anchor ear instrument, can effectively reduce and the influencing each other of other operations.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, and a kind of anchor ear device for steel pipe concrete jacking construction is provided, the joint efficiency when improving steel pipe concrete jacking construction between pump line and the steel pipe.
Technical scheme: a kind of anchor ear device for steel pipe concrete jacking construction described in the utility model, comprise steel pipe anchor ear and anchor ear arm, described steel pipe anchor ear comprises the arc steel plate that can be fitted in the steel pipe side and the fixed mechanism that is fixed on the steel pipe, have the circular hole corresponding with steel pipe jacking hole on the described arc steel plate, described circular hole is fixedly connected with the anchor ear arm, is provided with check device on the described anchor ear arm.
Further improve technique scheme, described arc steel plate and fixed mechanism are two semicircle plate with curved surface, and the two ends of described semicircle plate with curved surface are provided with the bolt mounting ear, can two semicircle plate with curved surface anchor ears be fixed on the steel pipe by bolt.
Further, described anchor ear arm adopts and the isodiametric high-pressure pump pipe of pump truck pump line is made, and the one end is provided with the connection bayonet socket, and the other end is provided with the otch that is complementary with the steel pipe anchor ear, and described otch and circular hole are welded to connect.
Further, described check device is the non-return inserted sheet, has the non-return socket suitable with the non-return inserted sheet on the described anchor ear arm, and described anchor ear arm is provided with dismountable arm anchor ear, seals the non-return socket when being used for steel pipe concrete jacking construction; Flap valve is adopted in the non-return measure that has solved part jacking concrete construction process, but it is when the concrete non-return operates, sometimes because of the stuck problem that can't Close All of concrete coarse aggregate.
Further, this anchor ear device also comprises the first pad that is arranged between semicircle plate with curved surface and the steel pipe, has the preformed hole corresponding with steel pipe jacking hole on described the first pad.
Further, this anchor ear device also comprises the second pad that is arranged on when being fixedly connected with the anchor ear arm for the arm anchor ear between them.
The utility model compared with prior art, its beneficial effect is: the joint efficiency when the utility model has improved steel pipe concrete jacking construction between pump line and the steel pipe, anchor ear device and concrete delivery pump pipe can reuse, and reduce influencing each other of the pump line kept somewhere after the concrete filled steel tube jacking and other operations.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
As shown in Figure 1, a kind of anchor ear device for steel pipe concrete jacking construction, comprise steel pipe anchor ear 1 and anchor ear arm 2, described steel pipe anchor ear 1 comprises the arc steel plate that can be fitted in steel pipe 3 sides and the fixed mechanism that is fixed on the steel pipe, have the circular hole corresponding with steel pipe jacking hole on the described arc steel plate, described circular hole is fixedly connected with anchor ear arm 2, is provided with ribs between described steel pipe anchor ear 1 and the anchor ear arm 2, and 2 are provided with check device on the described anchor ear arm.
Described arc steel plate and fixed mechanism are two semicircle plate with curved surface 4, its internal diameter is preferably more than by the external diameter 2mm-4mm of jacking steel pipe 3, width be preferably steel pipe jacking bore dia 3 times, the two ends of described semicircle plate with curved surface 4 are provided with the bolt mounting ear, can two semicircle plate with curved surface anchor ears be fixed on the steel pipe by bolt.
Described anchor ear arm 2 adopts and the isodiametric high-pressure pump pipe of pump truck pump line is made, and total length 300mm-500mm, one end are provided with and connect bayonet socket 5, and the other end is provided with the otch that is complementary with steel pipe anchor ear 1, and described otch and circular hole are welded to connect.
Described check device is non-return inserted sheet 6, have the non-return socket 7 suitable with non-return inserted sheet 6 at 150mm-200mm place, distance steel pipe anchor ear junction upper position on the described anchor ear arm 2, the degree of depth of this socket is preferably the radius of anchor ear arm 2, wide 6mm-8mm, non-return inserted sheet 6 adopts the 4mm steel plate to make, one end is made semicircle, and an end-grain cutting is in line, and hammer knocks when being convenient to insert.
Described anchor ear arm 2 is provided with dismountable arm anchor ear 8, seal non-return socket 7 when being used for steel pipe concrete jacking construction, it adopts steel plate or the equicohesive semicircle steel pipe manufacturing of 8mm-12mm, its internal diameter is identical with concrete conveyance arm external diameter, be provided with on the described anchor ear arm 2 for the fixing junction plate 9 of arm anchor ear 8, junction plate 9 thickness 10mm, length is consistent with arm anchor ear 8 width, width 50mm-60mm, and reserve 1 to 2 fastening bolt holes.
This anchor ear device also comprises the acrylonitrile-butadiene rubber pad that arranges between semicircle plate with curved surface 4 and the steel pipe 3, thickness 4mm, length is the outer diameter of steel pipes perimeter length, width is greater than steel pipe anchor ear 1 width 40mm, and open and the isodiametric preformed hole in steel pipe jacking hole in the centre, concrete passes when being used for concrete lift-up.
This anchor ear device also comprises the nitrile rubber pad that is arranged on when being fixedly connected with anchor ear arm 2 for arm anchor ear 8 between them, thickness 4mm, and width is greater than arm anchor ear 8 width 20mm.
The general description of construction of above-mentioned anchor ear device, specific as follows:
(1) steel pipe jacking hole and concrete delivery pump pipe connect by anchor ear device, and finish in factory process in the jacking hole; Its size, absolute altitude, perforate direction before anchor ear device is installed, should be checked in steel pipe jacking hole, check whether conform to construction requirement;
(2) check whether non-return socket 7 meets the reservation requirement, errorless after spigot coating butter (be convenient to concrete lift-up finish after timely insertion non-return inserted sheet 6), and lay the 4mm rubber sheet gasket, fastening arm anchor ear 8;
(3) before the installation steel pipe anchor ear 1, adopt first single face glue rubber sheet gasket, the pad preformed hole should be installed accurately the hole with steel pipe jacking hole;
(4) fastening bolt of fastening steel pipe anchor ear 1, do not slide between steel pipe anchor ear and the steel pipe when guaranteeing concrete lift-up, not spillage, do not throw off;
(5) concrete pump is moved in place, connect delivery pump pipe, connect with the bayonet socket 5 that is connected of anchor ear arm 2;
(6) after steel pipe concrete jacking construction is finished, unclamp arm anchor ear 8, knock in non-return inserted sheet 6 with hand hammer, remove pump line;
(7) reach after 50% or concrete curing after 5 days wait managing inner concrete intensity, remove steel pipe anchor ear 1, dig out inner concrete, reuse behind the brush release agent, and with the timely repair welding in steel pipe jacking hole.
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (6)
1. anchor ear device that is used for steel pipe concrete jacking construction, it is characterized in that, comprise steel pipe anchor ear and anchor ear arm, described steel pipe anchor ear comprises the arc steel plate that can be fitted in the steel pipe side and the fixed mechanism that is fixed on the steel pipe, have the circular hole corresponding with steel pipe jacking hole on the described arc steel plate, described circular hole is fixedly connected with the anchor ear arm, is provided with check device on the described anchor ear arm.
2. the anchor ear device for steel pipe concrete jacking construction according to claim 1, it is characterized in that, described arc steel plate and fixed mechanism are two semicircle plate with curved surface, the two ends of described semicircle plate with curved surface are provided with the bolt mounting ear, can two semicircle plate with curved surface anchor ears be fixed on the steel pipe by bolt.
3. the anchor ear device for steel pipe concrete jacking construction according to claim 1, it is characterized in that, described anchor ear arm adopts and the isodiametric high-pressure pump pipe of pump truck pump line is made, the one end is provided with the connection bayonet socket, the other end is provided with the otch that is complementary with the steel pipe anchor ear, and described otch and circular hole are welded to connect.
4. the anchor ear device for steel pipe concrete jacking construction according to claim 1, it is characterized in that, described check device is the non-return inserted sheet, have the non-return socket suitable with the non-return inserted sheet on the described anchor ear arm, described anchor ear arm is provided with dismountable arm anchor ear, seals the non-return socket when being used for steel pipe concrete jacking construction.
5. the anchor ear device for steel pipe concrete jacking construction according to claim 2, it is characterized in that, this anchor ear device also comprises the first pad that is arranged between semicircle plate with curved surface and the steel pipe, has the preformed hole corresponding with steel pipe jacking hole on described the first pad.
6. the anchor ear device for steel pipe concrete jacking construction according to claim 4 is characterized in that,
This anchor ear device also comprises the second pad that is arranged on when being fixedly connected with the anchor ear arm for the arm anchor ear between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206045002U CN202899301U (en) | 2012-11-16 | 2012-11-16 | Hold hoop device for jacking steel pipe concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206045002U CN202899301U (en) | 2012-11-16 | 2012-11-16 | Hold hoop device for jacking steel pipe concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202899301U true CN202899301U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206045002U Expired - Lifetime CN202899301U (en) | 2012-11-16 | 2012-11-16 | Hold hoop device for jacking steel pipe concrete |
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| Country | Link |
|---|---|
| CN (1) | CN202899301U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727554A (en) * | 2015-01-29 | 2015-06-24 | 天津二十冶建设有限公司 | Concrete leading-in device for concrete jacking construction and using method thereof |
| CN105442707A (en) * | 2015-12-30 | 2016-03-30 | 中国二十二冶集团有限公司 | Jacking and connecting device for steel pipe column concrete |
| CN109853586A (en) * | 2019-03-11 | 2019-06-07 | 中建八局第三建设有限公司 | A kind of 609 steel pipe binder anchor ear of Two bors d's oeuveres having enough to meet the need adjustable pitch |
| CN112878500A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Jacking construction method for recycling concrete pump pipe |
-
2012
- 2012-11-16 CN CN2012206045002U patent/CN202899301U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727554A (en) * | 2015-01-29 | 2015-06-24 | 天津二十冶建设有限公司 | Concrete leading-in device for concrete jacking construction and using method thereof |
| CN105442707A (en) * | 2015-12-30 | 2016-03-30 | 中国二十二冶集团有限公司 | Jacking and connecting device for steel pipe column concrete |
| CN109853586A (en) * | 2019-03-11 | 2019-06-07 | 中建八局第三建设有限公司 | A kind of 609 steel pipe binder anchor ear of Two bors d's oeuveres having enough to meet the need adjustable pitch |
| CN109853586B (en) * | 2019-03-11 | 2023-11-28 | 中建八局第三建设有限公司 | Turnover adjustable-distance double-spliced 609 steel pipe tie beam anchor ear |
| CN112878500A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Jacking construction method for recycling concrete pump pipe |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |