CN211173118U - Formwork counter-pulling tool for underwater concrete construction and counter-pulling formwork assembly - Google Patents
Formwork counter-pulling tool for underwater concrete construction and counter-pulling formwork assembly Download PDFInfo
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- CN211173118U CN211173118U CN201921751063.5U CN201921751063U CN211173118U CN 211173118 U CN211173118 U CN 211173118U CN 201921751063 U CN201921751063 U CN 201921751063U CN 211173118 U CN211173118 U CN 211173118U
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- pull rod
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- reinforced plastic
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Abstract
The utility model discloses a template of concrete construction under water is to drawing instrument, including the glass steel pull rod, the both ends of glass steel pull rod are provided with the screw thread section, be provided with setting element and end cap in the screw thread section, end cap and screw thread section screw-thread fit, and the end cap setting is close to one side at glass steel pull rod center at the setting element. Also discloses a counter-pulling template component of the template counter-pulling tool for underwater concrete construction. During construction, the glass fiber reinforced plastic pull rod, the positioning piece and the plug are used for positioning the template, the glass fiber reinforced plastic pull rod is high in strength and capable of meeting construction requirements, after construction is completed, the glass fiber reinforced plastic pull rod is left in concrete, the glass fiber reinforced plastic pull rod is far stronger than a steel pull rod in corrosion resistance, the glass fiber reinforced plastic pull rod can be prevented from being corroded and damaged, the service life is guaranteed, the strength of the concrete is prevented from being reduced, and the water leakage phenomenon can be prevented.
Description
Technical Field
The utility model relates to a construction equipment field, concretely relates to template of concrete construction under water is to drawing instrument and to drawing the template subassembly.
Background
In underwater concrete projects, such as pools and trenches, thin-walled concrete structures are mostly adopted. According to conventional construction scheme, when carrying out concrete construction, in order to the fixed die plate, adopt the steel of taking the stagnant water piece to carry out the fixed die plate to the drawing screw rod, after concrete placement finishes, will permanently remain to draw the screw rod and establish in the concrete, and the steel is to drawing the screw rod and receiving the long time after corroding of water body, easily causes the structure infiltration to influence the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a template of concrete construction under water is to drawing instrument and to drawing the template subassembly is provided, can prevent to be in the aquatic for a long time and by the corrosion to drawing the instrument, guarantees the intensity and the leakproofness of concrete, prevents to leak.
The utility model provides a technical scheme that technical problem adopted is: the utility model provides a template counter-pulling instrument of concrete construction under water, includes the glass steel pull rod, the both ends of glass steel pull rod are provided with the screw thread section, be provided with setting element and end cap in the screw thread section, end cap and screw thread section screw-thread fit, and the end cap setting is in the one side that the setting element is close to glass steel pull rod center.
Furthermore, the locating piece is a mountain-shaped buckle, the mountain-shaped buckle is in sliding fit with the threaded section, one side of the mountain-shaped buckle, which is close to the end of the glass fiber reinforced plastic pull rod, is provided with a positioning nut, and the positioning nut is in threaded fit with the threaded section.
Furthermore, the glass fiber reinforced plastic pull rod is formed by twisting a plurality of glass fiber reinforced plastic fibers.
Furthermore, a water stop sheet is sleeved at the middle part of the glass fiber reinforced plastic pull rod.
Furthermore, the water stop sheet is a glass steel sheet and is connected with the glass steel pull rod in an adhesion mode.
Further, the plug is a plastic plug.
Above-mentioned template of concrete construction under water is to drawing template subassembly of instrument to drawing, including two templates and a plurality of to drawing instruments that are parallel to each other, every to drawing the instrument and including the glass steel pull rod, the both ends of glass steel pull rod are provided with the screw thread section, and the screw thread section at glass steel pull rod both ends run through two templates respectively and with template clearance fit, the outside of every template is provided with the setting element, and the inboard is provided with the end cap, end cap and screw thread section screw-thread fit, and end cap and setting element all compress tightly the template.
Further, the number of the counter pulling tools is 4.
Compared with the prior art, the beneficial effects of the utility model are that: during construction, the glass fiber reinforced plastic pull rod, the positioning piece and the plug are used for positioning the template, the glass fiber reinforced plastic pull rod is high in strength and capable of meeting construction requirements, after construction is completed, the glass fiber reinforced plastic pull rod is left in concrete, the glass fiber reinforced plastic pull rod is far stronger than a steel pull rod in corrosion resistance, the glass fiber reinforced plastic pull rod can be prevented from being corroded and damaged, the service life is guaranteed, the strength of the concrete is prevented from being reduced, and the water leakage phenomenon can be prevented.
Drawings
FIG. 1 is a schematic view of a formwork counter-pulling tool for underwater concrete construction;
FIG. 2 is a schematic view of a split die plate assembly;
Reference numerals: 1-glass fiber reinforced plastic pull rod; 2-a positioning piece; 3, positioning a nut; 4-plug; 5, a water stop sheet; 10-template.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a template of concrete construction under water is to drawing instrument, as shown in fig. 1, including glass steel pull rod 1, glass steel pull rod 1's both ends are provided with the screw thread section, specifically, can set up whole glass steel pull rod 1 into the threaded rod, also can only set up the screw thread in order to form the screw thread section at glass steel pull rod 1's both ends, be provided with setting element 2 and end cap 4 in the screw thread section, end cap 4 and screw thread section screw-thread fit, and end cap 4 sets up the one side that is close to glass steel pull rod 1 center at setting element 2.
The glass fiber reinforced plastic pull rod 1 is made of glass fiber reinforced plastic, and the glass fiber reinforced plastic has high strength, can bear enough pulling force, and can meet construction requirements. The positioning piece 2 is used for positioning the template 10, and the plug 4 is used for blocking the inner side of the joint of the template 10 and the glass fiber reinforced plastic pull rod 1, so that external water is prevented from entering a cavity enclosed by the two templates 10 through a fit clearance between the template 10 and the glass fiber reinforced plastic pull rod 1.
Because glass steel's corrosion resistance is stronger than steelwork far away, consequently, the utility model discloses a to the drawing tool can prevent that glass steel pull rod from receiving the erosion and damaging, guarantees life, avoids the intensity reduction of concrete, and can prevent the phenomenon that the appearance leaks.
The positioning member 2 may be in various shapes, such as a rectangular parallelepiped positioning block, a disc-shaped positioning plate, etc., and the positioning member 2 may be screwed with the threaded section, as a more preferred embodiment: the locating piece 2 is a mountain-shaped buckle, the mountain-shaped buckle is in sliding fit with the threaded section, one side of the mountain-shaped buckle, which is close to the end of the glass fiber reinforced plastic pull rod 1, is provided with a locating nut 3, and the locating nut 3 is in threaded fit with the threaded section. The shape of the E-shaped buckle is E-shaped, and the E-shaped buckle can tightly buckle the outer side surface of the template 10 to keep the template 10 fixed. The mountain-shaped buckles are in sliding fit with the threaded sections, namely certain gaps exist between the mountain-shaped buckles and the threaded sections, the axial positions of the mountain-shaped buckles can be quickly adjusted, and the distance between the mountain-shaped buckles at the two ends of the glass fiber reinforced plastic pull rod 1 is changed, so that the distance between the two templates 10 can be conveniently adjusted according to the thickness of a concrete wall. The positioning nut 3 can position the mountain-shaped buckle.
The glass fiber reinforced plastic pull rod 1 can be formed by directly molding glass fibers, preferably, the glass fiber reinforced plastic pull rod 1 is formed by twisting a plurality of glass fiber reinforced plastic fibers, and the torsion resistance and the tensile strength of the glass fiber reinforced plastic pull rod 1 can be enhanced.
The middle part of the glass fiber reinforced plastic pull rod 1 is sleeved with a water stop sheet 5, and the water stop sheet 5 can be round, rectangular or square. The water stop sheet 5 can be a metal sheet, and in order to prevent the water stop sheet 5 from being rusted, the water stop sheet 5 is a glass steel sheet which has strong corrosion resistance and is connected with the glass steel pull rod 1 in an adhering mode.
The plug 4 may be made of metal, and preferably, the plug 4 is a plastic plug. The plastic material has certain elasticity, can produce great deformation, improves waterproof, sealed effect.
The counter-pulling template assembly of the template counter-pulling tool for underwater concrete construction comprises two templates 10 which are parallel to each other and a plurality of counter-pulling tools, wherein a space between the two templates 10 is a mold cavity for pouring concrete, each counter-pulling tool comprises a glass fiber reinforced plastic pull rod 1, threaded sections are arranged at two ends of the glass fiber reinforced plastic pull rod 1, the threaded sections at two ends of the glass fiber reinforced plastic pull rod 1 respectively penetrate through the two templates 10 and are in clearance fit with the templates 10, a positioning part 2 is arranged on the outer side of each template 10, a plug 4 is arranged on the inner side of each template 10, the plug 4 is in threaded fit with the threaded sections, and the plug 4 and the positioning part 2 press the templates 10 tightly.
The formwork 10 adopts the existing formwork, and the overall structure and the practical mode of the counter-pulling tool are similar to those of the prior art, so that the original formwork 10 and the support system thereof can be adopted in the actual construction process, the formwork 10 and the support system thereof do not need to be modified, and the implementation cost is reduced.
The number of the counter-pulling tools is 4, or 6, 8 and the like, and the counter-pulling tools are determined according to the size of the template 10, so that the template 10 can be stably tensioned.
During construction, the positioning part 2 is taken down firstly, the thread sections at two ends of the glass fiber reinforced plastic pull rods 1 of the counter-pulling tools respectively penetrate through the two templates 10, the positioning part 2 is installed, then the distance between the two templates 10 is adjusted according to the thickness of a concrete wall, meanwhile, the positioning nut 3 is rotated, the mountain-shaped buckle is pushed to move along with the templates 10, after the distance between the two templates 10 is adjusted, the plug 4 is rotated, the plug 4 compresses the inner side surfaces of the templates 10 to play a role in preventing water leakage, the positioning nut 3 is screwed simultaneously, and the mountain-shaped buckle is pushed to compress the outer side surfaces of the templates 10. In addition, still need to build the template support frame, the template support frame is built the back, fixes mountain-shaped buckle on the template support frame through modes such as screw connection, welded connection, can improve the stability to drawing the instrument.
After the formworks 10 are arranged, concrete can be poured into the space between the two formworks 10, after the concrete is dried, the positioning nuts 3, the E-shaped buckles and the plugs 4 are taken down, the parts, outside the concrete wall, of the glass fiber reinforced plastic pull rods 1 are cut off, finally, high-grade cement is used for plugging, and the whole construction is completed. The glass fiber reinforced plastic pull rod 1 staying in the concrete wall is corrosion-resistant, cannot rust, has long service life and can prevent the concrete wall from leaking water.
Claims (8)
1. Template counter-pulling instrument of concrete construction under water, its characterized in that includes glass steel pull rod (1), the both ends of glass steel pull rod (1) are provided with the screw thread section, be provided with setting element (2) and end cap (4) on the screw thread section, end cap (4) and screw thread section screw-thread fit, and end cap (4) set up in setting element (2) one side near glass steel pull rod (1) center.
2. The formwork counter-pulling tool for underwater concrete construction according to claim 1, wherein the positioning member (2) is a chevron-shaped buckle, the chevron-shaped buckle is in sliding fit with the threaded section, a positioning nut (3) is arranged on one side of the chevron-shaped buckle close to the end of the glass fiber reinforced plastic pull rod (1), and the positioning nut (3) is in threaded fit with the threaded section.
3. Formwork counter-pulling tool for underwater concrete construction according to claim 1, characterized in that the glass fiber reinforced plastic pulling rod (1) is twisted from a plurality of glass fiber reinforced plastic fibers.
4. The underwater concrete construction formwork counter-pulling tool is characterized in that a water stop sheet (5) is sleeved in the middle of the glass fiber reinforced plastic pull rod (1).
5. The underwater concrete construction formwork counter-pulling tool is characterized in that the water stop sheet (5) is a glass steel sheet and is connected with the glass steel pull rod (1) in an adhesion mode.
6. Formwork counter-pulling tool for underwater concrete construction according to claim 1, characterized in that said plug (4) is a plastic plug.
7. The counter-pulling formwork assembly adopting the formwork counter-pulling tool for underwater concrete construction according to any one of claims 1 to 6 comprises two parallel formworks (10) and a plurality of counter-pulling tools, and is characterized in that each counter-pulling tool comprises a glass fiber reinforced plastic pull rod (1), threaded sections are arranged at two ends of each glass fiber reinforced plastic pull rod (1), the threaded sections at two ends of each glass fiber reinforced plastic pull rod (1) respectively penetrate through the two formworks (10) and are in clearance fit with the formworks (10), a positioning part (2) is arranged on the outer side of each formwork (10), a plug (4) is arranged on the inner side of each formwork (10), the plug (4) is in threaded fit with the threaded sections, and the plug (4) and the positioning part (2) press the formworks (10) tightly.
8. The counter pull template assembly according to claim 7, wherein the number of counter pull tools is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751063.5U CN211173118U (en) | 2019-10-16 | 2019-10-16 | Formwork counter-pulling tool for underwater concrete construction and counter-pulling formwork assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751063.5U CN211173118U (en) | 2019-10-16 | 2019-10-16 | Formwork counter-pulling tool for underwater concrete construction and counter-pulling formwork assembly |
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| Publication Number | Publication Date |
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| CN211173118U true CN211173118U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921751063.5U Active CN211173118U (en) | 2019-10-16 | 2019-10-16 | Formwork counter-pulling tool for underwater concrete construction and counter-pulling formwork assembly |
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| CN (1) | CN211173118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144871A (en) * | 2020-09-27 | 2020-12-29 | 中建二局第一建筑工程有限公司 | Water-stopping reinforcement method for concrete sheet |
-
2019
- 2019-10-16 CN CN201921751063.5U patent/CN211173118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144871A (en) * | 2020-09-27 | 2020-12-29 | 中建二局第一建筑工程有限公司 | Water-stopping reinforcement method for concrete sheet |
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