CN104631821A - Form board fastening device facilitating control on large-thickness concrete protecting layer - Google Patents
Form board fastening device facilitating control on large-thickness concrete protecting layer Download PDFInfo
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- CN104631821A CN104631821A CN201510082503.2A CN201510082503A CN104631821A CN 104631821 A CN104631821 A CN 104631821A CN 201510082503 A CN201510082503 A CN 201510082503A CN 104631821 A CN104631821 A CN 104631821A
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- nut
- pull bar
- round platform
- thickness
- concrete cover
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Abstract
The invention relates to the technical field of civil engineering, in particular to a form board fastening device for facilitating control on a large-thickness concrete protecting layer. The form board fastening device for facilitating control on the large-thickness concrete protecting layer comprises an inner opposite-pull rod, an outer opposite-pull rod, a circular-truncated-cone-shaped nut and a disc-shaped nut, wherein the outer opposite-pull rod penetrates in a form board and is detachably connected with the inner opposite-pull rod through the circular-truncated-cone-shaped nut; and the length of the circular-truncated-cone-shaped nut is matched with the thickness of the concrete protecting layer so that thicknesses of different concrete protecting layers can be controlled effectively. When the form board is detached, the circular-truncated-cone-shaped nut is detached, a hole in the location of the circular-truncated-cone-shaped is chiseled and is filled with epoxy mortar, the inner opposite-pull rod does not need to be taken out, defects on the quality of concrete due to drawbacks of the traditional technology are greatly avoided, according to the structure with the inner opposite-pull rod, the outer opposite-pull rod and the circular-truncated-cone-shaped nut, the opposite-pull rods can be customized according to the thickness of thickness of a wall body, the mounting position of the form board can be limited well by the combination of the opposite-pull rods, and the structural size can be guaranteed.
Description
Technical field
The present invention relates to technical field of civil engineering, particularly relate to the formwork fastener being beneficial to heavy thickness concrete cover and controlling.
Background technology
At present, when concrete cast template is installed, for high and big die plate Zhi Li, general employing Screw arbor with nut at both-ends carries out template to be fixed, and avoids toppling or burst-mode in concrete lateral pressure template.For ordinary concrete structure, generally overcoat pvc pipe on Screw arbor with nut at both-ends, after form removable, extracts Screw arbor with nut at both-ends from pvc pipe, and carries out shutoff to reserved pipe hole.The concrete structure high for life requirement and seepage resistance demand is high, adopts aforesaid way, there is higher risk of leakage, and has a negative impact for concrete structure durability because the reliability of repairing method is not high.Particularly require for thicker maritime concrete for steel bar concrete (concrete) topping; adopt Classic pvc pipe to drawing process; be unfavorable for the control of topping on the one hand, on the other hand because pvc pipe is removed not thorough, and there is great mass defect.
Therefore, for above deficiency, the invention provides a kind of formwork fastener being beneficial to heavy thickness concrete cover and controlling.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of formwork fastener being beneficial to the control of heavy thickness concrete cover, with the control being unfavorable for concrete cover and tradition that solve the existence of existing frame mode, the problem of risk of leakage and mass defect is existed to drawing process.
(2) technical scheme
In order to solve the problems of the technologies described above; the invention provides a kind of formwork fastener being beneficial to heavy thickness concrete cover and controlling; in to pull bar, outer to pull bar, round platform nut and disk nut; describedly interiorly be located in wall body to pull bar; described outer to pull bar through template and being removably connected by round platform nut and draw-in bar; described disk nut is arranged on the outer part be positioned at pull bar outside template, and with formboard fastening, the described length of round platform nut and the thickness of concrete cover adapt.
Wherein, the described round platform nut round platform nut cap that comprises nut main body part and be connected as a single entity with nut main body part.
Wherein, described interior to pull bar with to screw in described nut main body part from the two ends of described round platform nut respectively pull bar outward.
Wherein, in described nut main body part, be provided with catch, interior to pull bar and outer degree of depth pull bar being screwed in nut main body part to control.
Wherein, described nut main body part is harness cord, is describedly interiorly connected with outer-hexagonal nut to pull bar near one end of nut main body part, to be describedly connected with described outer-hexagonal nut through nut main body part pull bar outward.
Wherein, outer-hexagonal nut is provided with in described round platform nut cap.
Wherein, beyond the catch of described round platform nut, the length of part is identical with the thickness of concrete cover.
Wherein, the length of described round platform nut is identical with the thickness of described concrete cover.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: provided by the invention be beneficial to heavy thickness concrete cover control formwork fastener in, template passed to pull bar outward and removably connected by round platform nut and draw-in bar, the length of round platform nut and the thickness of concrete cover adapt, the effective control to different thickness of concrete cover can be guaranteed, during form removable, remove round platform nut, dabbing is carried out to the hole at round platform nut place and benefit fills out epoxy mortar, need not take out interior pull bar, significantly improve the disadvantage of the concrete quality that traditional handicraft defect causes, to pull bar in wherein adopting, outward to the frame mode of pull bar and round platform nut, can customize to pull bar according to structural wall body thickness, and by carrying out better spacing to model sheetinstallat position to pull bar combination, for ensureing that physical dimension plays positive role.
Accompanying drawing explanation
Fig. 1 be the present invention be beneficial to heavy thickness concrete cover control formwork fastener to drawing working state schematic representation;
Fig. 2 is the syndeton schematic diagram that the present invention is beneficial to the first round platform nut of the formwork fastener that heavy thickness concrete cover controls;
Fig. 3 is the syndeton schematic diagram that the present invention is beneficial to the second round platform nut of the formwork fastener that heavy thickness concrete cover controls;
Fig. 4 is the structural representation that the present invention is beneficial to round platform nut cap in the formwork fastener of heavy thickness concrete cover control.
In figure, 1: interior to pull bar; 2: round platform nut; 3: template; 4: outer to pull bar; 5: disk nut; 6: outer-hexagonal nut; 7: catch; 8: round platform nut cap; 9: outer-hexagonal nut.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In describing the invention, it will be appreciated that, term " on ", D score, " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As Fig. 1, shown in Fig. 2 and Fig. 3, the present invention is mainly used in wall body or builds highly higher concrete vertical face, template 3 fastener being beneficial to the control of heavy thickness concrete cover provided by the invention comprises interior to pull bar 1, outer to pull bar 4, round platform nut 2 and disk nut 5, describedly interiorly be located in wall body to pull bar 1, describedly outer pull bar 4 to be removably connected by round platform nut 2 and draw-in bar through template 3, described disk nut 5 is arranged on the outer part be positioned at pull bar 4 outside template 3, with formboard fastening 3, thus make interior to pull bar 1, outer to pull bar 4 and dies plate tap, the described length of round platform nut 2 and the thickness of concrete cover adapt.Wherein, be interiorly directly close to template 3 plate face outside round platform nut 2 to pull bar 1 and round platform nut 2 pattern length and wall body thickness, outer formation pull bar 4 and round platform nut 2 twists solid, and disk nut 5 is positioned at outside template 3 and is formed fastening with outer to pull bar 4 by template 3.
Particularly, the described round platform nut 2 round platform nut cap 8 that comprises nut main body part and be connected as a single entity with nut main body part.
Further, as depicted in figs. 1 and 2, described interior to pull bar 1 with screw in described nut main body part from the two ends of described round platform nut 2 respectively to pull bar 4 outward; Catch 7 is provided with in described nut main body part, interior to pull bar 1 and outer degree of depth pull bar 4 being screwed in nut main body part to control.This is the first round platform nut 2 (inside establishing the round platform nut of catch), interior to pull bar 1 be all screwed in the nut main body part of round platform nut 2 to pull bar 4 outward; This round platform nut 2 is applied to general thickness topping situation.
For the first round platform nut 2, beyond the catch 7 of round platform nut 2, the length of part is identical with the thickness M of concrete cover, and wherein the length of round platform nut 2 is L.
Further, as shown in figures 1 and 3, described nut main body part is harness cord, is describedly interiorly connected with outer-hexagonal nut 6 to pull bar 1 near one end of nut main body part, be specially welding, describedly outer pull bar 4 be connected with described outer-hexagonal nut 6 through nut main body part.This is the second round platform nut 2 (harness cord round platform nut), carry out template 3 fastening time, by outer to pull bar 4 be screwed in the interior outer-hexagonal nut 6 that pull bar 1 is carried namely formed overall to idler arm.
Preferably, as shown in Figure 4, removing from having built concrete structure for the ease of round platform nut 2, being provided with outer-hexagonal nut 9 in described round platform nut cap 8, facilitating the use of round platform nut dismounting.
For the second round platform nut 2, the length L of described round platform nut 2 is identical with the thickness of described concrete cover M.
The course of work being beneficial to template 3 fastener that heavy thickness concrete cover controls provided by the invention is: when carrying out template 3 installing engineering, can according to protective layer thickness different demand customization different length round platform nut 2; Concreting completes, and carry out template 3 when removing, disk nut 5 of first back-outing, then it is outer to pull bar 4 to back-out, after template 3 is removed, and the first round platform nut 2 of back-outing, zone length and steel bar concrete protective layer thickness beyond catch 7; After the second round platform nut 2 is back-outed, round platform nut 2 length and steel bar concrete protective layer thickness; Carry out round platform nut 2 when back-outing, adopt the inner hexagon spanner of processing customization to be inserted in outer-hexagonal nut 9 in round platform nut cap 8 to carry out operation of back-outing.After round platform nut 2 is removed, dabbing is carried out to hole after dismounting, and adopts epoxy mortar to repair.
Template 3 fastener being beneficial to heavy thickness concrete cover and controlling provided by the invention; compare the mode adopting traditional pvc pipe overcoat Screw arbor with nut at both-ends construction; the effective control to different thickness of concrete cover can be guaranteed; significantly improve the concrete quality disadvantage that traditional handicraft defect causes; to pull bar 1, the outer frame mode to pull bar 4 and round platform nut 2 in wherein adopting; can customize to pull bar according to structural wall body thickness; and by carrying out better spacing to template 3 installation site, for ensureing that physical dimension plays positive role to pull bar combination.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. the formwork fastener being beneficial to heavy thickness concrete cover and controlling; it is characterized in that: it comprises interior to pull bar, outer to pull bar, round platform nut and disk nut; describedly interiorly be located in wall body to pull bar; described outer to pull bar through template and being removably connected by round platform nut and draw-in bar; described disk nut is arranged on the outer part be positioned at pull bar outside template; with formboard fastening, the described length of round platform nut and the thickness of concrete cover adapt.
2. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 1, is characterized in that: the round platform nut cap that described round platform nut comprises nut main body part and is connected as a single entity with nut main body part.
3. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 2, is characterized in that: described interior to pull bar with to screw in described nut main body part from the two ends of described round platform nut respectively pull bar outward.
4. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 3, is characterized in that: be provided with catch in described nut main body part, interior to pull bar and outer degree of depth pull bar being screwed in nut main body part to control.
5. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 2; it is characterized in that: described nut main body part is harness cord; describedly interior near one end of nut main body part, outer-hexagonal nut is connected with to pull bar, describedly outer pull bar is connected with described outer-hexagonal nut through nut main body part.
6. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 2, is characterized in that: be provided with outer-hexagonal nut in described round platform nut cap.
7. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 4, is characterized in that: beyond the catch of described round platform nut, the length of part is identical with the thickness of concrete cover.
8. the formwork fastener being beneficial to heavy thickness concrete cover and controlling according to claim 5, is characterized in that: the length of described round platform nut is identical with the thickness of described concrete cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082503.2A CN104631821A (en) | 2015-02-16 | 2015-02-16 | Form board fastening device facilitating control on large-thickness concrete protecting layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082503.2A CN104631821A (en) | 2015-02-16 | 2015-02-16 | Form board fastening device facilitating control on large-thickness concrete protecting layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104631821A true CN104631821A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082503.2A Pending CN104631821A (en) | 2015-02-16 | 2015-02-16 | Form board fastening device facilitating control on large-thickness concrete protecting layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104631821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024642A (en) * | 2018-07-30 | 2018-12-18 | 中铁七局集团西安铁路工程有限公司 | A kind of single-ended fixed water-stopping pull rod |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH193556A (en) * | 1937-01-11 | 1937-10-31 | Arni Arnold | Formwork ties. |
| DE2843245A1 (en) * | 1978-10-04 | 1980-04-10 | Walter Hoff | Universal formwork type screwed steel bar - has cylindrical base between helical elevations in cold rolled thread profiling |
| CN201162349Y (en) * | 2008-03-07 | 2008-12-10 | 中铁十三局集团有限公司 | Tension rod tapered joint head of steel form plate |
| CN101614076A (en) * | 2009-07-28 | 2009-12-30 | 中建三局建设工程股份有限公司 | A kind of civil engineering with syllogic to draw rod device and mounting method thereof |
| CN202627524U (en) * | 2012-07-06 | 2012-12-26 | 赵九高 | Wall ternary form water-seal opposite-pull screw |
| CN103628678A (en) * | 2013-12-05 | 2014-03-12 | 任斌向 | Concrete water-stop bracing screw rod device and installation method |
| CN104295098A (en) * | 2013-07-19 | 2015-01-21 | 江苏江都建设集团有限公司 | Combined pull rod for template |
| CN204531417U (en) * | 2015-02-16 | 2015-08-05 | 中交一航局第一工程有限公司 | A kind of formwork fastener being beneficial to heavy thickness concrete cover and controlling |
-
2015
- 2015-02-16 CN CN201510082503.2A patent/CN104631821A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH193556A (en) * | 1937-01-11 | 1937-10-31 | Arni Arnold | Formwork ties. |
| DE2843245A1 (en) * | 1978-10-04 | 1980-04-10 | Walter Hoff | Universal formwork type screwed steel bar - has cylindrical base between helical elevations in cold rolled thread profiling |
| CN201162349Y (en) * | 2008-03-07 | 2008-12-10 | 中铁十三局集团有限公司 | Tension rod tapered joint head of steel form plate |
| CN101614076A (en) * | 2009-07-28 | 2009-12-30 | 中建三局建设工程股份有限公司 | A kind of civil engineering with syllogic to draw rod device and mounting method thereof |
| CN202627524U (en) * | 2012-07-06 | 2012-12-26 | 赵九高 | Wall ternary form water-seal opposite-pull screw |
| CN104295098A (en) * | 2013-07-19 | 2015-01-21 | 江苏江都建设集团有限公司 | Combined pull rod for template |
| CN103628678A (en) * | 2013-12-05 | 2014-03-12 | 任斌向 | Concrete water-stop bracing screw rod device and installation method |
| CN204531417U (en) * | 2015-02-16 | 2015-08-05 | 中交一航局第一工程有限公司 | A kind of formwork fastener being beneficial to heavy thickness concrete cover and controlling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024642A (en) * | 2018-07-30 | 2018-12-18 | 中铁七局集团西安铁路工程有限公司 | A kind of single-ended fixed water-stopping pull rod |
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Application publication date: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |