CN218563063U - Reusable pulling joint for replacing split bolt and sleeve assembly - Google Patents
Reusable pulling joint for replacing split bolt and sleeve assembly Download PDFInfo
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- CN218563063U CN218563063U CN202222264868.5U CN202222264868U CN218563063U CN 218563063 U CN218563063 U CN 218563063U CN 202222264868 U CN202222264868 U CN 202222264868U CN 218563063 U CN218563063 U CN 218563063U
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Abstract
The utility model provides a replace repeatedly usable's drawknot spare of split bolt and thimble assembly, including high strength drawknot pole (1), high strength drawknot pole (1) one end sets up to the stiff end, and the other end sets up to the fastening end, and the surface of high strength drawknot pole (1) is smooth surface, and the both ends of high strength drawknot pole (1) are suitable for passing the hole on template (6), the stiff end fixed connection closing plate (2) of high strength drawknot pole (1), fastening end can dismantle the connection setting element; after the two ends of the high-strength tie rod (1) penetrate through the templates (6), the closing plate (2) and the positioning piece are positioned on the outer side surfaces of the corresponding templates. The utility model has the advantages of it is convenient to dismantle after the shaping of concrete, ability used repeatedly, and the turnover rate is high, be difficult for losing, saves artifical and material, reduces engineering cost.
Description
Technical Field
The utility model relates to a construction field, concretely relates to but replace split bolt and thimble assembly's repeatedly usable's drawknot spare.
Background
The formwork engineering is the technological foundation for forming the structure, enhances the control of the formwork engineering and is the key point for improving the forming quality of concrete, and in the construction of wall, wall and column formworks, the counter-pulling screw rod is used for pulling the inner formwork and the outer formwork of the wall formwork to bear the lateral pressure and load of the concrete, so that the space between the inner formwork and the outer formwork can meet the design requirement, and simultaneously, the counter-pulling screw rod is also the fulcrum of the formwork and the supporting structure thereof, which directly influences the integrity, the rigidity and the strength of the formwork structure. In current template reinforcement technique, the split bolt and the thimble assembly between the internal, outside template of building engineering wall include the pvc sleeve pipe, to drawing screw rod, gasket, nut, and the internal, outside template drawknot installation process of wall includes: pulling the screw rod → pvc casing → installing the gasket at the two ends → screwing the nut at the two ends. The method comprises the steps of adopting a sleeve type opposite-pulling screw rod reinforcing method, controlling a concrete template to expand by generally adopting round steel screw rods with threads at two ends of the round steel screw rods, threading a positioning gasket and a nut on the round steel with threads outside the template, arranging a pvc sleeve between the gasket and the template, then fastening the nuts on two sides of the screw rod, fixing the template through the gasket and the pvc sleeve, and pouring concrete between the templates.
The counter-pulling screw has the following disadvantages:
1. the counter-pulling screw rod is difficult to pull out under the extrusion action of the wrapping force of the concrete and can only be used once.
2. Because the template is positioned by a plurality of iron rods, the large-area template is difficult to move along the plurality of iron rods when the template is dismounted, and the template is very easy to damage.
3. A plurality of nuts are small in size, easy to lose and inconvenient to store.
4. When the screw rod is pulled out, the screw thread is easy to deform and damage by forceful beating.
5. The screw exposed on the surface of the concrete can only be cut off by a gas cutting method, which wastes materials and manpower.
6. Because the screw rod needs engine oil to maintain, oil stains are easily formed on the surface of the concrete, a base layer needs to be cleaned before plastering, and the engineering cost is increased.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model aims to provide a but replace repeatedly usable's drawknot spare to split bolt and thimble assembly. The utility model has the advantages of it is convenient to dismantle after the shaping of concrete, ability used repeatedly, and the turnover rate is high, be difficult for losing, saves artifical and material, reduces engineering cost.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a reusable tie assembly for replacing a split bolt and sleeve assembly, comprising: the high-strength drawknot device comprises a high-strength drawknot rod, wherein one end of the high-strength drawknot rod is set to be a fixed end, the other end of the high-strength drawknot rod is set to be a fastening end, the outer surface of the high-strength drawknot rod is a smooth surface, the two ends of the high-strength drawknot rod are suitable for penetrating through holes in a template, the fixed end of the high-strength drawknot rod is fixedly connected with a sealing plate, and the fastening end is detachably connected with a positioning piece; after the two ends of the high-strength tie rod penetrate through the templates, the sealing plate and the positioning piece are positioned on the outer side face of the corresponding template.
And further: the positioning piece comprises a steel structure base plate and a nut, and the steel structure base plate and the nut are welded to form the positioning piece.
Further: the cross-section of high strength drawknot rod is circular setting, and the fastening end of high strength drawknot rod is provided with the screw thread, setting element and high strength drawknot rod threaded connection.
Further: the diameter of high strength drawknot pole stiff end is greater than the diameter of fastening end, and the pole footpath of high strength drawknot pole is reduced gradually by stiff end to fastening end.
Further: the size of closing plate is greater than the size of high strength drawknot pole, and the through-hole has been seted up at the middle part of closing plate, and the through-hole is mutually adapted with the fixed end of high strength drawknot pole, closing plate and high strength drawknot pole welded connection.
Further: the positioning structure comprises a cushion block, and the cushion block is sleeved on the high-strength tie rod and is positioned between the template and the steel structure base plate.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the drawknot piece is taken out very easily after the template is dismantled, and high strength drawknot rod and nut can used repeatedly, need not the cutting operation, and the nut only uses in the one end of high strength drawknot rod for the use amount reduces half, and the recovery rate of the drawknot piece is greatly improved. Meanwhile, the screw thread and the template are not easy to damage, and the method has the characteristics of saving materials and labor and reducing engineering cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a conventional split screw structure;
FIG. 4 is a side view of a prior art counter-pull screw;
fig. 5 is a schematic view of the present invention assembled on a form;
FIG. 6 is a schematic structural view of the high-strength tie bar of the present invention;
fig. 7 is a schematic structural diagram of the utility model after assembling the cushion block.
Reference numerals: 1-high strength tie rods; 2-a closing plate; 3-a steel structure base plate; 4-a nut; 5-thread; 6-template; 7-cushion block.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following preferred embodiments of the present invention are described in connection with specific examples, but it should be understood that the drawings are illustrative only and should not be construed as limiting the present invention; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the invention.
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
As shown in fig. 1 to 7, a reusable tie member for replacing a split bolt and a sleeve assembly comprises a high-strength tie rod 1, wherein one end of the high-strength tie rod 1 is a fixed end, the other end of the high-strength tie rod 1 is a fastening end, the outer surface of the high-strength tie rod 1 is a smooth surface, two ends of the high-strength tie rod 1 are suitable for penetrating through holes in a template 6, the fixed end of the high-strength tie rod 1 is fixedly connected with a closing plate 2, and the fastening end is detachably connected with a positioning piece; after the two ends of the high-strength tie rod 1 penetrate through the templates 6, the closing plate 2 and the positioning piece are positioned on the outer side surfaces of the corresponding templates.
The locating piece comprises a steel structure base plate 3 and a nut 4, the steel structure base plate 3 and the nut 4 are welded to form the locating piece, and the steel structure base plate 3 is located on the high-strength tie rod 1 relative to the nut 4 and is closer to the position of the closed plate 2.
The cross-section of high strength drawknot pole 1 is circular setting, and the fastening end of high strength drawknot pole 1 is provided with screw thread 5, and the setting element is connected with high strength drawknot pole 1 screw thread 5.
The diameter of 1 stiff end of high strength drawknot pole is greater than the diameter of fastening end, and the pole footpath of 1 high strength drawknot pole is reduced gradually by stiff end to fastening end.
The size of the closing plate 2 is larger than that of the high-strength drawknot rod 1, a through hole is formed in the middle of the closing plate 2, the through hole is matched with the fixed end of the high-strength drawknot rod 1, and the closing plate 2 is connected with the high-strength drawknot rod 1 in a welding mode.
The positioning structure comprises a cushion block 7 which is sleeved on the high-strength tie rod 1 and is positioned between the template 6 and the steel structure base plate 3. The cushion block 7 is used for adapting to the templates with different space sizes, and when the space between the two templates is smaller than the length of the high-strength tie rod 1, the cushion block 7 is used for compensating the space between the positioning structure and the templates, so that various requirements in construction are met.
The high-strength tie rod 1 is mainly processed by round steel with the diameter phi of 10-phi 14.
The working process is as follows:
placing the pulling piece into a template release agent before use;
s1: taking down the positioning piece on the fastening end of the high-strength tie rod 1, and sequentially penetrating the high-strength tie rod 1 through the two templates;
s2: the inner side surface of the closing plate 2 at the fixed end is attached to the outer side surface of the template;
s3: locking the fastening end by using a nut 4 to ensure that the steel structure base plate 3 is tightly attached to the outer side surface of the other template;
s4: pouring concrete between the formworks at the two ends;
s5: when the concrete reaches final setting, screwing off the fastening end nut 4, inserting the steel bar head between the closing plate 2 and the template by adopting a phi 16 thread 5, and applying torque to separate the closing plate 2 from the template;
s6: the fastening end is tapped gently so that the entire fastener is moved laterally (toward the fixed end) and the fastener is easily removed from the concrete and form.
According to the description and drawings of the present invention, it is easy for those skilled in the art to make or use the reusable tie member of the present invention in place of the split bolt and the sleeve assembly, and the positive effects described in the present invention can be produced.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. A reusable tie assembly for replacing a split bolt and sleeve assembly, comprising: the high-strength drawknot comprises a high-strength drawknot rod (1), wherein one end of the high-strength drawknot rod (1) is arranged to be a fixed end, the other end of the high-strength drawknot rod (1) is arranged to be a fastening end, the outer surface of the high-strength drawknot rod (1) is a smooth surface, two ends of the high-strength drawknot rod (1) are suitable for penetrating through holes in a template (6), the fixed end of the high-strength drawknot rod (1) is fixedly connected with a sealing plate (2), and the fastening end is detachably connected with a positioning piece; after the two ends of the high-strength tie rod (1) penetrate through the templates (6), the closing plate (2) and the positioning piece are positioned on the outer side face of the corresponding template.
2. A reusable tie assembly for a replacement split bolt and sleeve assembly as set forth in claim 1, wherein: the positioning piece comprises a steel structure base plate (3) and a nut (4), and the steel structure base plate (3) and the nut (4) are welded.
3. A reusable tie assembly for a replacement split bolt and sleeve assembly as set forth in claim 1, wherein: the cross section of the high-strength tie rod (1) is circular, the fastening end of the high-strength tie rod (1) is provided with a thread (5), and the positioning piece is connected with the thread (5) of the high-strength tie rod (1).
4. A reusable tie assembly for a replacement split bolt and sleeve assembly as set forth in claim 1, wherein: the diameter of high strength drawknot pole (1) stiff end is greater than the diameter of fastening end, and the pole footpath of high strength drawknot pole (1) is reduced by stiff end to fastening end gradually.
5. A reusable tie assembly for a replacement split bolt and sleeve assembly as set forth in claim 1, wherein: the size of the closing plate (2) is larger than that of the high-strength drawknot rod (1), a through hole is formed in the middle of the closing plate (2), the through hole is matched with the fixed end of the high-strength drawknot rod (1), and the closing plate (2) is connected with the high-strength drawknot rod (1) in a welding mode.
6. A reusable tie assembly for a replacement split bolt and sleeve assembly as set forth in claim 2, wherein: the positioning piece comprises a cushion block (7) which is sleeved on the high-strength tie rod (1) and is positioned between the template (6) and the steel structure base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222264868.5U CN218563063U (en) | 2022-08-26 | 2022-08-26 | Reusable pulling joint for replacing split bolt and sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222264868.5U CN218563063U (en) | 2022-08-26 | 2022-08-26 | Reusable pulling joint for replacing split bolt and sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563063U true CN218563063U (en) | 2023-03-03 |
Family
ID=85309934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222264868.5U Active CN218563063U (en) | 2022-08-26 | 2022-08-26 | Reusable pulling joint for replacing split bolt and sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563063U (en) |
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2022
- 2022-08-26 CN CN202222264868.5U patent/CN218563063U/en active Active
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