CN203891470U - Fastening bolt for shear wall formwork - Google Patents
Fastening bolt for shear wall formwork Download PDFInfo
- Publication number
- CN203891470U CN203891470U CN201420260463.7U CN201420260463U CN203891470U CN 203891470 U CN203891470 U CN 203891470U CN 201420260463 U CN201420260463 U CN 201420260463U CN 203891470 U CN203891470 U CN 203891470U
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- Prior art keywords
- fastening bolt
- nut
- shear wall
- bar
- connection
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Abstract
The utility model relates to a fastening bolt for a shear wall formwork. The fastening bolt comprises a built-in fastening bolt, a nut, a reinforcing connecting rod and an E-shaped clamp. The built-in fastening bolt comprises a head and a bolt body, the lower end of the bolt body is provided with an outer thread, the nut is provided with an inner thread, the inner thread is matched with the outer thread of the bolt body, and a nut casing is arranged on the outer portion of the nut. Two ends of the reinforcing connecting rod are provided with outer threads, and the inner thread of the nut is matched with the outer threads of the reinforcing connecting rod. The middle of the E-shaped clamp is provided with a screw hole, and the size of the screw hole is matched with the outer threads of the reinforcing connecting rod. The fastening bolt has the advantages that the built-in fastening bolt is used in an outer-wall construction seam position, cost is saved, the common quality defects of unevenness of joints of the outer wall and slurry leakage and the like are effectively avoided, the problem that an outer wall formwork has no support during reinforcing by a bottom screw hole is solved, reinforcing time of the formwork is saved, and operation is safer and more reliable.
Description
Technical field
The utility model relates to building implements field, especially a kind of shear wall formwork fastening bolt.
Background technology
Highrise building is along with urbanization process gos deep into and development, and as the primary structure form of highrise building, shear wall relies on its good antidetonation and wind resistance, and Design of Shear-wall Structure is by Designing Structures of High Rising Buildings extensive use.From design level, the structural configuration of accomplishing highrise building is flexible, cost is low and good economy performance, pursuing the optimum combination of pattern innovation, functional requirement and structural safety, is the developing direction of future architecture structure design, is bringing into play very important effect in design of building structures.
Yet in practice of construction process, due to workman's operant level, technical error, add the factors such as template number of turnover increase and cause concrete formation of low quality, especially at shear wall external wall construction seam position, be prone to the quality problems such as running pulp, rotten, spillage, faulting of slab ends most.Above problem is all deposited impact largely for integrality performance of the structure and later stage exterior wall finishing, has increased later stage concrete repair cost; Especially this engineering exterior wall is mainly coating metope, and shear wall exterior wall concrete Forming Quality is had to higher requirement; Therefore the Forming Quality that how to guarantee external wall construction seam position, becomes overriding concern problem.
Utility model content
The purpose of this utility model is to provide a kind of shear wall formwork fastening bolt, to overcome currently available technology above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions: a kind of shear wall formwork fastening bolt, comprise pre-buried fastening bolt, nut, bar and mountain type card reinforce the connection, described pre-buried fastening bolt comprises head and the body of rod, and the lower end of the described body of rod is provided with external screw thread; Described nut is provided with internal thread, and described internal thread and external screw thread match, and described nut outside is provided with nut casing; The described bar two ends that reinforce the connection are equipped with external screw thread, and the internal thread of described nut matches with the external screw thread of the bar that reinforces the connection; The middle part of described mountain type card is provided with screw, and the size of described screw matches with the bar external screw thread that reinforces the connection.
Further, the width of the described pre-buried fastening bolt body of rod is less than the width of head, and the size of the described body of rod and nut inner surface match.
Further, the length of described nut casing is all less than the external screw thread of the body of rod and the externally threaded length of bar that reinforces the connection.
Further, described nut casing is hollow trapezium structure, and the size of described nut casing inner surface and nut external surface match, and the size of described nut casing upper end is greater than the size of nut casing lower end.
Further, described in the reinforce the connection length of bar be greater than the length of pre-buried fastening bolt, described in reinforce the connection size and the described nut inner surface of bar match.
The beneficial effects of the utility model are: at exterior wall constuction joint position, use pre-buried fastening bolt, cost-saving, effectively avoided exterior wall to connect batch out-of-flatness and run the common quality defects such as spillage, solved outer wall template while using bottom screw to reinforce without the phenomenon of bearing, saved the time of reinforcing template, operation safe is reliable, can improve largely the presentation quality of shear wall.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation that a kind of shear wall formwork described in the utility model embodiment is used the pre-buried fastening bolt of fastening bolt;
Fig. 2-1st, the nut of fastening bolt and the elevation of nut casing for a kind of shear wall formwork described in the utility model embodiment;
Fig. 2-2nd, the nut of fastening bolt and the top view of nut casing for a kind of shear wall formwork described in the utility model embodiment;
Fig. 2-3rd, the nut of fastening bolt and the upward view of nut casing for a kind of shear wall formwork described in the utility model embodiment;
Fig. 3 is the structural representation of the bar that reinforces the connection of fastening bolt for a kind of shear wall formwork described in the utility model embodiment;
Fig. 4 is the use structural representation that a kind of shear wall formwork described in the utility model embodiment is used fastening bolt;
Fig. 5 is a kind of shear wall formwork described in the utility model embodiment by the connection diagram of the pre-buried fastening bolt of fastening bolt and nut, nut casing;
Fig. 6 is the pre-buried fastening bolt use procedure figure mono-that a kind of shear wall formwork described in the utility model embodiment is used fastening bolt;
Fig. 7 is the pre-buried fastening bolt use procedure figure bis-that a kind of shear wall formwork described in the utility model embodiment is used fastening bolt.
In figure:
1, pre-buried fastening bolt; 1.1, head; 1.2, the body of rod; 1.3, external screw thread; 2, nut; 3, nut casing; 4, the bar that reinforces the connection; 4.1, external screw thread; 5, mountain type card; 5.1, screw.
The specific embodiment
As Figure 1-4, a kind of shear wall formwork fastening bolt described in the utility model embodiment, comprise pre-buried fastening bolt 1, nut 2, reinforce the connection bar 4 and mountain type card 5, described pre-buried fastening bolt 1 comprises head 1.1 and the body of rod 1.2, the lower end of the described body of rod 1.2 is provided with external screw thread 1.3; Described nut 2 is provided with internal thread, and described internal thread and external screw thread 1.3 match, and described nut 2 outsides are provided with nut casing 3; Described bar 4 two ends that reinforce the connection are equipped with external screw thread 4.1, and the internal thread of described nut 2 matches with bar 4 external screw threads 4.1 that reinforce the connection; The middle part of described mountain type card 5 is provided with screw 5.1, and the size of described screw 5.1 matches with bar 4 external screw threads 4.1 that reinforce the connection.
The width of the body of rod 1.2 of described pre-buried fastening bolt 1 is less than the width of head 1.1, and the size of the described body of rod 1.2 and nut 2 inner surfaces match.
The length of described nut casing 3 is all less than the length of external screw thread 1.3 and bar 4 external screw threads 4.1 that reinforce the connection of the body of rod 1.2.
Described nut casing 3 is hollow trapezium structure, can guarantee pre-buried fastening bolt 1 to be fixed on the reinforcing bar of beam or shear wall; The size of described nut casing 3 inner surfaces and nut 2 external surfaces match, and the size of described nut casing 3 upper ends is greater than the size of nut casing 3 lower ends.
The described length that reinforces the connection bar 4 is greater than the length of pre-buried fastening bolt 1, described in reinforce the connection size and described nut 2 inner surfaces of bar 4 match.
During concrete use:
One, at current floor, bury underground and confine bolt part, technological process is summarized as follows:
1, reinforcing bar binding completes; 2, shear wall formwork has been reinforced; 3, bury fastening bolt underground; 4, concreting; 5, remove shear wall formwork; 6, bolt cleaning.
Two, at lower first floor layer, carry out template installation, flow process is summarized as follows:
1, snap the line, location; 2, front inspection is installed; 3, mounting door-window mouth template; 4, a side wall template installation in position; 5, cement support is installed; 6, clean foreign material within the walls; 7, paste sponge strip; 8, installation in position another side side wall template; 9, insert and wear plastic pipe screw rod through walls; 10, adjust template and keel position; 11, fastening through-wall bolt; 12, reinforce pre-buried confinement bolt.
The main points of the operation of installation fastening bolt 1 are as follows:
(1) shear wall and Bars In Poured Concrete Slab formwork erection are complete, and all reinforcing bar bindings are complete;
(2) body of rod of pre-buried fastening bolt 1 1.2 one end are being screwed in to the nut casing 3 with nut 2, as shown in Figure 5;
(3) needs of reinforcing according to shear wall formwork, pre-buried fastening bolt shown in 5 figure 1 use tied silk is fixed on pre-buried fastening bolt 1 on the reinforcing bar of beam or shear wall, and the head 1.1 that guarantees pre-buried fastening bolt 1 is near outside shear wall or beam forms, as shown in Figure 6;
(4) treat that beam, plate reinforcing bar binding, formwork reinforcement and relevant water power set aside pre-embedded constructed, and after acceptance(check), carry out concreting work;
(5) after outer wall template is removed, in time the hole of pre-buried fastening bolt 1 is cleared up, to prevent that laitance is by hole plug, as shown in Figure 7;
(6) screw in the bar 4 that reinforces the connection that two ends are provided with external screw thread 4.1, carry out the reinforcement that installs of next story shear wall form, as shown in Figure 4.
Adopt the construction of this kind of technique, the appearance of effectively having avoided exterior wall to connect batch out-of-flatness and run the common quality defects such as spillage, and solved outer wall template while using bottom screw to reinforce without the phenomenon of bearing, solved the expense that carpenter installs outer wall template temporary support, simultaneously, because exterior wall is reinforced with the lumps of wood or steel pipe no longer to downward-extension, saved the use of circulation material, because the burial place of pre-buried fastening bolt is the below of cast-in-place, effectively saved the reinforcing template time, operated also safer simultaneously.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (5)
1. a shear wall formwork fastening bolt, comprise pre-buried fastening bolt (1), nut (2), the bar that reinforces the connection (4) and mountain type card (5), it is characterized in that: described pre-buried fastening bolt (1) comprises head (1.1) and the body of rod (1.2), and the lower end of the described body of rod (1.2) is provided with external screw thread (1.3); Described nut (2) is provided with internal thread, and described internal thread and external screw thread (1.3) match, and described nut (2) outside is provided with nut casing (3); The described bar that reinforces the connection (4) two ends are equipped with external screw thread (4.1), and the internal thread of described nut (2) matches with the external screw thread (4.1) of bar (4) that reinforce the connection; The middle part of described mountain type card (5) is provided with screw (5.1), and the size of described screw (5.1) matches with bar (4) external screw thread (4.1) that reinforces the connection.
2. a kind of shear wall formwork fastening bolt according to claim 1, it is characterized in that: the width of described pre-buried fastening bolt (1) body of rod (1.2) is less than the width of head (1.1), the size of the described body of rod (1.2) and nut (2) inner surface match.
3. a kind of shear wall formwork fastening bolt according to claim 2, is characterized in that: the length of described nut casing (3) is all less than the length of the external screw thread (1.3) of the body of rod (1.2) and the bar that reinforces the connection (4) external screw thread (4.1).
4. a kind of shear wall formwork fastening bolt according to claim 3, it is characterized in that: described nut casing (3) is hollow trapezium structure, the size of described nut casing (3) inner surface and nut (2) external surface match, and the size of described nut casing (3) upper end is greater than the size of nut casing (3) lower end.
5. a kind of shear wall formwork fastening bolt according to claim 4, it is characterized in that: described in the reinforce the connection length of bar (4) be greater than the length of pre-buried fastening bolt (1), described in reinforce the connection size and described nut (2) inner surface of bar (4) match.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420260463.7U CN203891470U (en) | 2014-05-21 | 2014-05-21 | Fastening bolt for shear wall formwork |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420260463.7U CN203891470U (en) | 2014-05-21 | 2014-05-21 | Fastening bolt for shear wall formwork |
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CN203891470U true CN203891470U (en) | 2014-10-22 |
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CN201420260463.7U Expired - Fee Related CN203891470U (en) | 2014-05-21 | 2014-05-21 | Fastening bolt for shear wall formwork |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103993736A (en) * | 2014-05-21 | 2014-08-20 | 中铁建设集团有限公司 | Fastening bolt for shear wall formwork |
CN106088595A (en) * | 2016-08-10 | 2016-11-09 | 中民筑友科技投资有限公司 | Erecting device and mold method |
CN108412053A (en) * | 2018-05-09 | 2018-08-17 | 北京住总集团有限责任公司 | Structure outer interlayer joint part pre-embedded device and interlayer connect a batch construction method |
-
2014
- 2014-05-21 CN CN201420260463.7U patent/CN203891470U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103993736A (en) * | 2014-05-21 | 2014-08-20 | 中铁建设集团有限公司 | Fastening bolt for shear wall formwork |
CN106088595A (en) * | 2016-08-10 | 2016-11-09 | 中民筑友科技投资有限公司 | Erecting device and mold method |
CN108412053A (en) * | 2018-05-09 | 2018-08-17 | 北京住总集团有限责任公司 | Structure outer interlayer joint part pre-embedded device and interlayer connect a batch construction method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180626 Address after: 100040 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Co-patentee after: CHINA RAILWAY CONSTRUCTION GROUP BEIJING ENGINEERING Co.,Ltd. Patentee after: CHINA RAILWAY CONSTRUCTION GROUP Co.,Ltd. Address before: 100131 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee before: CHINA RAILWAY CONSTRUCTION GROUP Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |