CN111945959A - Multifunctional auxiliary part for machining full grouting sleeve and assembling and disassembling method thereof - Google Patents
Multifunctional auxiliary part for machining full grouting sleeve and assembling and disassembling method thereof Download PDFInfo
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- CN111945959A CN111945959A CN202010722300.6A CN202010722300A CN111945959A CN 111945959 A CN111945959 A CN 111945959A CN 202010722300 A CN202010722300 A CN 202010722300A CN 111945959 A CN111945959 A CN 111945959A
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- grouting sleeve
- auxiliary
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000003754 machining Methods 0.000 title description 5
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 239000011440 grout Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000004323 axial length Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 13
- 238000003825 pressing Methods 0.000 description 8
- 238000004873 anchoring Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004566 building material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a multifunctional auxiliary part of a machined full grouting sleeve and a loading and unloading method of the multifunctional auxiliary part, wherein the multifunctional auxiliary part comprises a grouting sleeve, a grouting opening and a grout discharging opening, a sealing auxiliary part is sleeved in the grouting sleeve, and the sealing auxiliary part is provided with a middle cylinder, a first end plug part and a second end plug part which are arranged into an integral structure; the first end plug part is arranged at one end of the grout outlet, and the steel bar penetrates through the first end plug part to penetrate into the accommodating cavity; the second end plug part is arranged at one end of the grouting opening, one end of the positioning screw penetrates through the second end plug part to be abutted against the reinforcing steel bar, the other end of the positioning screw is connected with a gasket and a locking nut, and a compression check ring is arranged at the end part platform of the positioning screw; the multifunctional auxiliary assembly and disassembly method is simple, easy to operate and excellent in sealing performance, the sealing auxiliary assembly, the positioning screw rod, the locking nut and the like can be used for next installation of the grouting sleeve, and a large amount of manufacturing and installing cost can be saved.
Description
Technical Field
The invention relates to the technical field of building industry, in particular to a multifunctional auxiliary for a machined full grouting sleeve and a loading and unloading method thereof.
Background
The grouting sleeve for connecting the reinforcing steel bars is an important part for connecting the reinforcing steel bars in the field construction process and is a part for connecting the deformed steel bars in adjacent reinforced concrete building components. Along with the development of the assembly type building, the application of the assembly type building is mature, the grouting sleeve solves the problem that the assembly type field assembly reinforcing steel bar is inconvenient to connect, the use of the grouting sleeve enables field assembly construction of the building industry to be possible, the building construction efficiency is greatly improved, and time, labor and site cost are saved.
No matter in the prefab factory or in the assembly of scene, all indispensable be sealing rubber stopper and rubber column, realized grout sleeve location on prefabricated template end plate through the rubber column to play sealed effect, prevent that the pouring in-process grout material from getting into inside the sleeve. The sealing rubber plug realizes the effect of preventing the grouting material from entering the sleeve along the inner wall of the sleeve and the outer wall of the reinforcing steel bar, and plays a role in sealing.
For example, the Chinese invention patent (publication number: CN109235779A) discloses a full grouting sleeve structure capable of realizing self-centering of a steel bar and a manufacturing method thereof in 2019, wherein the grouting sleeve structure capable of realizing self-centering of the steel bar comprises a sleeve body with a thread on the inner wall, a nut with an elastic steel sheet, a grout pressing hole, a grout outlet, a rubber plug and the like; the rubber plug in the grouting sleeve can be permanently left in the prefabricated structure after grouting forming and cannot be taken out.
As another example, a chinese utility model patent (publication No. CN208730019U) discloses a full grouting sleeve in 2019, wherein a positioning plug is disposed at the bottom of the full grouting sleeve, the positioning plug includes a positioning column, a rubber column, and an adjusting nut, and a fixing device is disposed at the inner side of the corrugated pipe; the rubber column in the grouting sleeve of the structure is only a small section, and the rubber plug at the other end of the rubber column can not be taken out.
Because sealed plug can't take out, then can stay in the building forever, it is extremely extravagant, the rubber buffer that is detained in grout sleeve forever simultaneously can cause the inside discontinuous defect of building material.
Disclosure of Invention
The invention aims to provide a multifunctional auxiliary for machining a full grouting sleeve and a loading and unloading method thereof, aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multifunctional auxiliary part of a machined full grouting sleeve comprises a grouting sleeve, wherein the grouting sleeve is provided with a grouting opening and a grout discharge opening, a sealing auxiliary part is sleeved in the grouting sleeve, the sealing auxiliary part is provided with a middle cylinder, a first end plug part and a second end plug part which are arranged into an integral structure, and the first end plug part, the second end plug part and the middle cylinder are encircled to form an inner accommodating cavity and an end platform; the first end plug part is arranged at one end of the grout outlet, and the steel bar penetrates through the first end plug part to penetrate into the accommodating cavity; the second end plug portion is arranged at one end of the grouting opening, one end of the positioning screw penetrates through the second end plug portion and is connected with the reinforcing steel bar in a butt joint mode, the other end of the positioning screw is connected with a gasket and a locking nut, and the positioning screw is located a compression check ring is arranged at the end portion platform.
The multifunctional auxiliary of the full grout sleeve of this processing fuses through the structure with traditional rubber column and rubber buffer as an organic whole, makes sealed auxiliary collect the fixed seal effect of rubber column and the sealed effect of rubber buffer, has good sealing performance, can avoid at prefabricated assembly in-process the outside thick liquids of grout sleeve get into grout sleeve's inside to after the prefabricated assembly is accomplished, follow in the grout sleeve will sealed auxiliary is whole to be taken out, realizes the recycling of sealed auxiliary, positioning screw, lock nut and gasket, when practicing thrift the cost for the customer, has practiced thrift a large amount of resources for the society.
Due to the fact that the sealing auxiliary element can be recycled, the sealing auxiliary element is removed before the interior of the grouting sleeve is grouted, the sealing element similar to a rubber plug is prevented from being permanently retained in the grouting sleeve (namely the interior of a building structure), and the defect that the interior of a building material is discontinuous is overcome.
The first end plug part and the second end plug part are coaxially arranged, so that an inner accommodating cavity is formed, automatic centering of the steel bar and the positioning screw rod is facilitated, and the positioning screw rod can replace a steel bar limit stop to realize positioning of the steel bar in the grouting sleeve; meanwhile, when the positioning screw rod is tightened through enough tightening torque, the sealing auxiliary is limited by an end platform inside the sealing auxiliary (a compression check ring on the positioning screw rod is pressed on the end platform), so that the first end plug part and the second end plug part of the sealing auxiliary are compressed and expanded, the outer wall of the sealing auxiliary is tightly attached to the inner wall of the grouting sleeve, and the sealing and the grouting sleeve are fixed.
Compared with the grouting sleeve with the same length without adopting the method, the effective anchoring length of the grouting sleeve is increased, and the anchoring performance is improved; and in subsequent grouting process (to the inside grout of grout sleeve), owing to do not have reinforcing bar limit stop for the grouting process is unobstructed, and the grout is more closely knit.
Further, the sealing auxiliary part is a hollow cylindrical structure with the same outer diameter, the inner diameter of the middle cylinder is larger than the inner diameter of the first end plug part and the inner diameter of the second end plug part respectively, and the axial length of the second end plug part is larger than that of the first end plug part.
Further, the outer diameter of the sealing auxiliary is smaller than the inner diameter of the grouting sleeve (the inner diameter of the annular bulge formed on the inner circumferential surface after rolling).
The outer diameter of the sealing auxiliary part is consistent and slightly smaller than the inner diameter of the grouting sleeve, so that the sealing auxiliary part can be conveniently installed in the grouting sleeve, a sealing state can be formed between the sealing auxiliary part and the inner wall of the grouting sleeve after compression deformation and circumferential expansion, and the sealing auxiliary part can be restored after the locking force is removed, so that the sealing auxiliary part can be easily taken out of the grouting sleeve.
Furthermore, the inner hole of the first plug part is of a concave-convex continuous structure, and the inner diameter of the convex part is smaller than the outer diameter of the steel bar; the inner hole inlet of the first end plug part is in a horn mouth shape.
The inner hole of the first plug part is designed into a structure which is convenient for the insertion of the reinforcing steel bar, has the reinforcing steel bar centering function and avoids the built-in deflection of the reinforcing steel bar.
Furthermore, the grouting sleeve is a rolling full-grouting sleeve, and the depth of the rolling groove of the grouting sleeve close to the first end plug part is greater than the depth of the rolling grooves of the rest parts.
Preferably, the depth of the rolling groove of the grouting sleeve at the first end plug portion is about 1mm deeper than the depth of the rolling grooves at the other portions, so that the two ends of the sealing auxiliary can form sealing surfaces with the portions in contact with the rolling grooves, thereby preventing slurry from flowing into the grouting sleeve during external grouting.
Furthermore, the diameter of the positioning screw is smaller than the inner bore diameter of the second end plug part, and the diameter of the compression check ring is larger than the inner bore diameter of the second end plug part.
Further, in a non-compression state, the axial length of the sealing auxiliary is longer than that of the grouting sleeve, so that the sealing auxiliary is convenient to mount on one hand, and the sealing auxiliary has a shrinkage amount on the other hand; under the compression state, two end faces of the sealing auxiliary are flush with two end faces of the grouting sleeve respectively, namely the sealing auxiliary generates axial contraction and radial (circumferential) expansion, and sealing is facilitated.
Furthermore, the sealing auxiliary part is a rubber part or a cloth-sandwiched rubber part or a plastic part with various hardness and deformation capacity capable of meeting the use requirement.
Furthermore, a substrate is bonded on the outer contour of the sealing auxiliary element. The substrate is thin, is bonded on the sealing auxiliary element, is a disposable article or a reusable article, and is beneficial to realizing the separation of external grouting material and the sealing auxiliary element after the grouting sleeve is installed.
Furthermore, grout sleeve sets up and the butt is on prefab template end plate, the one end of positioning screw passes prefab template end plate, the gasket reaches lock nut overlaps in proper order and establishes and the fastening is in the outside of prefab template end plate. The prefabricated member template end plate is provided with a through hole for the positioning screw to pass through at the installation position of the grouting sleeve.
Further, the assembling and disassembling method of the multifunctional accessory of the machined full grouting sleeve comprises an assembling method and a disassembling method,
the installation method comprises the following steps: arranging a positioning screw rod in the sealing auxiliary part, enabling the positioning screw rod to be positioned at the second end plug part of the sealing auxiliary part and expose a part of the positioning screw rod, sleeving the sealing auxiliary part in a grouting sleeve, placing the grouting sleeve on a prefabricated part template end plate, sleeving a gasket and a locking nut in the exposed part of the positioning screw rod and locking the gasket and the locking nut, and enabling the sealing auxiliary part to be in a state of compression, radial expansion and axial contraction; inserting a steel bar into the first end plug part of the sealing auxiliary part, wherein the steel bar is automatically centered and abutted against the positioning screw; after the installation of the steel bars is finished, grouting is carried out on the outer part of the grouting sleeve to finish the pouring of the whole prefabricated part; and before pouring, the grouting opening and the grout discharging opening are respectively connected through PVC pipes, and the PVC pipes are led to the outside of the component.
The disassembling method comprises the following steps: after the whole prefabricated part is poured and solidified, loosening the locking nut, sequentially disassembling the locking nut and the gasket from the lower part of the prefabricated part template end plate, pulling the positioning screw rod to the outside of the grouting sleeve after the prefabricated part template end plate is disassembled, and drawing out the whole sealing auxiliary part from the grouting sleeve under the action of the compression check ring by the positioning screw rod, namely completing the disassembly and recovery of the sealing auxiliary part.
The assembling and disassembling method is simple and easy to operate, the sealing auxiliary, the positioning screw rod, the locking nut and the like can be used for installing the grouting sleeve next time, and a large amount of manufacturing and installing cost can be saved.
Compared with the prior art, the invention has the beneficial effects that: 1. the multifunctional auxiliary for machining the full-grouting sleeve is integrally arranged, so that the sealing auxiliary has good sealing performance, and can be integrally taken out of the grouting sleeve after the prefabrication and assembly are completed, the sealing auxiliary, the positioning screw rod, the locking nut and the gasket are recycled, the cost is saved for customers, and a large amount of resources are saved for the society; 2. the sealing element similar to a rubber plug is prevented from being permanently retained in the grouting sleeve (namely the interior of the building structure), and the defect of internal discontinuity of the building material is avoided; 3. the automatic centering function of the steel bar and the positioning screw rod can be realized, and the built-in deflection of the steel bar is avoided; meanwhile, the use of a reinforcing steel bar limit stop is avoided, so that the subsequent grouting process is smooth and the grouting is more compact; 4. compared with the grouting sleeve with the same length without adopting the method, the effective anchoring length of the grouting sleeve is increased, and the anchoring performance is improved; 5. the assembling and disassembling method is simple and easy to operate, the sealing auxiliary, the positioning screw rod, the locking nut and the like can be used for installing the grouting sleeve next time, and a large amount of manufacturing and installing cost can be saved.
Drawings
FIG. 1 is a cross-sectional view (before locking) of the overall structure of a multi-functional auxiliary for machining a full grouting sleeve according to the present invention;
FIG. 2 is a view of the machined full-grouting sleeve multifunctional auxiliary after a locking nut is screwed down;
FIG. 3 is a view of the machined full-grouting sleeve multifunctional auxiliary member of the invention, after a locking nut is screwed, a steel bar is inserted;
FIG. 4 is a schematic structural diagram of a sealing auxiliary of the multifunctional auxiliary of the machined full grouting sleeve according to the invention;
FIG. 5 is a partially enlarged schematic view of a rolling groove at a grout discharging end of the multifunctional auxiliary of the machined full-grouting sleeve according to the invention;
FIG. 6 is a partially enlarged schematic view of an end platform of a machined fully-grouted sleeve multifunctional accessory of the present invention;
in the figure: 1. grouting a sleeve; 2. grouting ports; 3. a pulp discharge port; 4. a sealing aid; 401. a middle column; 402. a first end plug portion; 403. a second end plug portion; 404. a receiving cavity; 405. an end platform; 5. reinforcing steel bars; 6. positioning a screw rod; 7. a gasket; 8. locking the nut; 9. pressing the retainer ring; 10. a prefabricated member template end plate; 11. rolling a groove; 12. a concave-convex continuous structure; 13. a bell mouth.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 and 6, a multifunctional auxiliary of a machined full grouting sleeve comprises a grouting sleeve 1, wherein the grouting sleeve 1 is provided with a grouting opening 2 and a grout outlet 3, a sealing auxiliary 4 is sleeved in the grouting sleeve 1, the sealing auxiliary 4 is provided with a middle cylinder 401, a first end plug portion 402 and a second end plug portion 403 which are arranged into an integral structure, and the first end plug portion 402, the second end plug portion 403 and the middle cylinder 401 enclose to form an inner accommodating cavity 404 and an end platform 405; the first plug part 402 is arranged at one end of the grout outlet 3, and the reinforcing steel bar 5 penetrates through the first plug part 402 and enters the accommodating cavity 404; second end plug portion 403 is arranged at one end of grout hole 2, and the one end of positioning screw 6 passes second end plug portion 403 and stretches into hold cavity 404 with reinforcing bar 5 butt, the other end is connected with gasket 7 and lock nut 8, positioning screw 6 is located tip platform 405 department is equipped with compresses tightly retaining ring 9.
The multi-functional auxiliary of full grout sleeve of local processing fuses as an organic whole through the structure with traditional rubber column and rubber buffer, makes sealed auxiliary 4 collects the fixed seal effect of rubber column and the sealed effect of rubber buffer, has good sealing performance, can avoid at prefabricated assembly in-process grout 1 outside thick liquids get into grout sleeve 1's inside to after the prefabricated assembly is accomplished, follow in grout sleeve 1 will sealed auxiliary 4 wholly takes out, realizes sealed auxiliary 4, positioning screw 6, lock nut 8 and gasket 7's recycling, when practicing thrift the cost for the customer, has practiced thrift a large amount of resources for the society.
Due to the recycling of the sealing aid 4, the sealing aid 4 is removed before the interior of the grouting sleeve 1 is grouted, avoiding the permanent retention of a sealing element like a rubber plug inside the grouting sleeve (i.e. inside the building structure) and the drawback of internal discontinuity of the building material.
The coaxial arrangement of the first end plug part 402 and the second end plug part 403 not only forms an internal accommodating cavity 404, but also facilitates the automatic centering of the steel bar 5 and the positioning screw 6, and the positioning screw 6 can replace a steel bar limit stop to realize the positioning of the steel bar 5 in the grouting sleeve 1; meanwhile, when the positioning screw 6 is tightened by a sufficient tightening torque, the first end plug part 402 and the second end plug part 403 of the auxiliary sealing part 4 are pressed and expanded by the limiting action of the end platform 405 inside the auxiliary sealing part 4 (the pressing retaining ring 9 on the positioning screw 6 is pressed on the end platform 405), and the outer wall of the auxiliary sealing part 4 at the position is tightly attached to the inner wall of the grouting sleeve 1, so that the sealing and the grouting sleeve are fixed.
Compared with the grouting sleeve with the same length without adopting the method, the effective anchoring length of the grouting sleeve 1 is increased, and the anchoring performance is improved; and in subsequent grouting process (to grout to the inside of grout sleeve 1), owing to do not have reinforcing bar limit stop for the grouting process is unobstructed, and the grout is more closely knit.
Further, as shown in fig. 4, the sealing auxiliary 4 is a hollow cylindrical structure with a uniform outer diameter, the inner diameter of the middle cylinder 401 is larger than the inner diameter of the first end plug portion 402 and the inner diameter of the second end plug portion 403, respectively, and the axial length of the second end plug portion 403 is larger than the axial length of the first end plug portion 402, so that sufficient strength is ensured to pull out the entire sealing auxiliary.
Further, the outer diameter of the sealing auxiliary 4 is smaller than the inner diameter of the grout sleeve 1 (the inner diameter of the annular protrusion formed on the inner circumferential surface after rolling).
The outer diameter of the sealing auxiliary 4 is consistent and slightly smaller than the inner diameter of the grouting sleeve 1, so that the sealing auxiliary can be conveniently installed in the grouting sleeve 1, a sealing state can be formed with the inner wall of the grouting sleeve 1 after the sealing auxiliary is compressed, deformed and expanded in the circumferential direction, and the sealing auxiliary 4 can be restored after the locking force is removed, so that the sealing auxiliary can be easily taken out of the grouting sleeve 1.
Further, the inner hole of the first plug part 402 is a concave-convex continuous structure 12, and the inner diameter of the convex part is smaller than the outer diameter of the steel bar 5; the inner hole inlet of the first plug portion 402 has a bell mouth 13 shape (large chamfer shape).
The inner hole of the first plug part 402 is designed to be convenient for inserting the steel bar 5, so that the steel bar centering function is achieved, and the built-in deflection of the steel bar 5 is avoided.
Further, the grouting sleeve 1 is a rolled full grouting sleeve, and the depth of the rolled groove 11 at the matching position of the grouting sleeve 1 and the first end plug portion 402 is greater than the depth of the rolled grooves 11 at the other positions.
Preferably, the depth of the rolling groove 11 at the position where the grouting sleeve 1 is engaged with the first end plug portion 402 is about 1mm deeper than the depth of the rolling groove 11 at the remaining portion, so that the upper end of the sealing auxiliary 4 can form a sealing surface at a portion in contact with the rolling groove, thereby preventing slurry from flowing into the grouting sleeve during external grouting.
Further, the diameter of the positioning screw 6 is smaller than the inner diameter of the inner bore of the second end plug portion 403, and the diameter of the pressing retainer ring 9 is larger than the inner diameter of the inner bore of the second end plug portion 403.
Further, in a non-compression state, the axial length of the sealing auxiliary 4 is longer than that of the grouting sleeve 1, so that the sealing auxiliary 4 is convenient to install on one hand, and the sealing auxiliary 4 has a shrinkage amount on the other hand; under the compression state, two end faces of the sealing auxiliary 4 are flush with two end faces of the grouting sleeve 1 respectively, that is, the sealing auxiliary 4 generates axial contraction and radial (circumferential) expansion, and sealing is facilitated.
Further, the sealing auxiliary 4 is a rubber member, and has certain hardness and deformability.
Further, a substrate (not shown) is bonded to the outer contour of the sealing auxiliary 4, and particularly, a substrate is bonded to the first plug portion. The substrate is thin, is bonded on the sealing auxiliary 4, is a disposable article or a reusable article, and is beneficial to realizing the separation of external grouting material and the sealing auxiliary 4 after the grouting sleeve 1 is installed.
Further, the lower end of the grouting sleeve 1 is arranged and abutted to a prefabricated member formwork end plate 10, one end of the positioning screw 6 penetrates through the prefabricated member formwork end plate 10, and the gasket 7 and the locking nut 8 are sequentially sleeved and fastened below the prefabricated member formwork end plate 10.
Example two:
the embodiment provides a method for assembling and disassembling a multifunctional accessory of a machined full grouting sleeve in the first embodiment.
The assembling and disassembling method comprises an assembling method and a disassembling method; as shown in fig. 1 to 6, at least one implementation manner of the installation method and the disassembly method is as follows:
the installation method comprises the following steps: arranging a positioning screw rod 6 in the sealing auxiliary 4, so that the positioning screw rod 6 is positioned at the second end plug part 403 of the sealing auxiliary 4 and is partially exposed, and sleeving the sealing auxiliary 4 in the grouting sleeve 1 (as shown in fig. 1, at this time, the sealing auxiliary 4 is in a relaxed state); placing the grouting sleeve 1 on a prefabricated member template end plate 10, sleeving a gasket 7 and a locking nut 8 on the exposed part of the positioning screw 6 and locking, wherein the sealing auxiliary 4 is in a state of compressing, radially expanding and axially contracting (the state is shown in figure 2); then, a steel bar 5 is inserted into the first end plug part 402 of the sealing auxiliary 4, and the positioning screw 6 is automatically centered and abutted against the steel bar 5 (as shown in fig. 3); and after the installation of the steel bars is finished, grouting is carried out on the outer part of the grouting sleeve 1 to finish the pouring of the whole prefabricated part.
It should be noted that before the component is poured, the grouting port 2 and the grout outlet 3 are respectively connected through a PVC pipe, and the PVC pipe is led to the outside of the component, so that the slurry is prevented from entering the inside of the grouting sleeve 1 when the component is poured;
the positioning screw 6 can be assembled in the sealing auxiliary 4 in advance, and because the sealing auxiliary 4 has a certain elastic deformation capacity, the upper part of the positioning screw 6 and the pressing retainer ring 9 can be plugged into the accommodating cavity 404 from the upper hole or the lower hole, and the lower end of the positioning screw 6 is exposed; because the diameter of the inner hole of the first end plug portion 402 is slightly smaller than the outer diameter of the pressing retainer ring 9, and the axial length of the first end plug portion 402 is shorter, the inner hole of the first end plug portion 402 can be slightly expanded, the positioning screw 6 with the pressing retainer ring 9 thereon is plugged into the accommodating cavity 404, the first end plug portion 402 can be restored after being loosened, and the other end of the positioning screw 6 can penetrate out of the second end plug portion 403.
The disassembling method comprises the following steps: after the whole prefabricated part is poured and solidified, loosening the locking nut 8, sequentially disassembling the locking nut 8 and the gasket 7 from the lower part of the prefabricated part template end plate 10, pulling the positioning screw 6 to the outside of the grouting sleeve 1 after the prefabricated part template end plate 10 is disassembled, and drawing the whole sealing auxiliary 4 out of the grouting sleeve 1 under the action of the pressing retaining ring 9 by the positioning screw 6, namely completing the disassembly and recovery of the sealing auxiliary 4.
The assembling and disassembling method is simple and easy to operate, the sealing auxiliary 4, the positioning screw 6, the locking nut 8 and the like can be used for installing the grouting sleeve next time, and a large amount of manufacturing and installing cost can be saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multifunctional auxiliary part of a machined full grouting sleeve comprises a grouting sleeve, wherein the grouting sleeve is provided with a grouting opening and a grout discharge opening, and the multifunctional auxiliary part is characterized in that a sealing auxiliary part is sleeved in the grouting sleeve and provided with a middle cylinder, a first end plug part and a second end plug part which are arranged into an integral structure, and the first end plug part, the second end plug part and the middle cylinder are encircled to form an inner accommodating cavity and an end platform; the first end plug part is arranged at one end of the grout outlet, and the steel bar penetrates through the first end plug part to penetrate into the accommodating cavity; the second end plug portion is arranged at one end of the grouting opening, one end of the positioning screw penetrates through the second end plug portion and is connected with the reinforcing steel bar in a butt joint mode, the other end of the positioning screw is connected with a gasket and a locking nut, and the positioning screw is located a compression check ring is arranged at the end portion platform.
2. A machined full grout sleeve multifunctional auxiliary according to claim 1, wherein the sealing auxiliary is a hollow cylindrical structure with uniform outer diameter, the inner diameter of the middle cylinder is larger than the inner diameter of the first end plug portion and the inner diameter of the second end plug portion respectively, and the axial length of the second end plug portion is larger than the axial length of the first end plug portion.
3. The multifunctional auxiliary of a machined full grouting sleeve of claim 1, wherein an inner hole of the first end plug part is of a concave-convex continuous structure, and the inner diameter of a convex part is smaller than the outer diameter of the steel bar; the inner hole inlet of the first end plug part is in a horn mouth shape.
4. The multi-functional auxiliary of a machine-processed full grout sleeve of claim 1, wherein the grout sleeve is a rolled full grout sleeve, and the depth of the rolled groove of the grout sleeve near the first end plug portion is greater than the depth of the rolled groove of the rest portion.
5. A machined full grout sleeve multifunctional accessory according to claim 1, wherein the sealing accessory has an outer diameter smaller than the inner diameter of the grout sleeve.
6. A multi-functional auxiliary of a machined full grout sleeve according to claim 1, wherein the diameter of the set screw is smaller than the inner bore diameter of the second end plug portion and the diameter of the hold down retainer ring is larger than the inner bore diameter of the second end plug portion.
7. A machined full grout sleeve multifunctional auxiliary according to claim 1, wherein in a non-compacted state, the axial length of the sealing auxiliary is longer than the length of the grout sleeve; and under a compression state, two end faces of the sealing auxiliary part are flush with two end faces of the grouting sleeve respectively.
8. The multifunctional auxiliary of a machined full grout sleeve of claim 1, wherein the sealing auxiliary is a rubber or cloth-sandwiched rubber or plastic; and a substrate is also bonded on the outer contour of the sealing auxiliary element.
9. The multifunctional auxiliary of a machined full grouting sleeve as claimed in claim 1, wherein the grouting sleeve is arranged on and abutted against a prefabricated member template end plate, one end of the positioning screw penetrates through the prefabricated member template end plate, and the gasket and the locking nut are sequentially sleeved and fastened on the outer side of the prefabricated member template end plate.
10. The method for assembling and disassembling the multifunctional accessory of the machined full grouting sleeve according to claim 1, wherein the assembling and disassembling method comprises an assembling method and a disassembling method,
the installation method comprises the following steps: arranging a positioning screw rod in the sealing auxiliary part, enabling the positioning screw rod to be positioned at the second end plug part of the sealing auxiliary part and expose a part of the positioning screw rod, sleeving the sealing auxiliary part in a grouting sleeve, placing the grouting sleeve on a prefabricated part template end plate, sleeving a gasket and a locking nut in the exposed part of the positioning screw rod and locking the gasket and the locking nut, and enabling the sealing auxiliary part to be in a state of compression, radial expansion and axial contraction; inserting a steel bar into the first end plug part of the sealing auxiliary part, wherein the steel bar is automatically centered and abutted against the positioning screw; after the installation of the steel bars is finished, grouting is carried out on the outer part of the grouting sleeve to finish the pouring of the whole prefabricated part;
the disassembling method comprises the following steps: after the whole prefabricated part is poured and solidified, loosening the locking nut, sequentially disassembling the locking nut and the gasket from the lower part of the prefabricated part template end plate, pulling the positioning screw rod to the outside of the grouting sleeve after the prefabricated part template end plate is disassembled, and drawing out the whole sealing auxiliary part from the grouting sleeve under the action of the compression check ring by the positioning screw rod, namely completing the disassembly and recovery of the sealing auxiliary part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010722300.6A CN111945959A (en) | 2020-07-24 | 2020-07-24 | Multifunctional auxiliary part for machining full grouting sleeve and assembling and disassembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010722300.6A CN111945959A (en) | 2020-07-24 | 2020-07-24 | Multifunctional auxiliary part for machining full grouting sleeve and assembling and disassembling method thereof |
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| CN111945959A true CN111945959A (en) | 2020-11-17 |
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| CN202010722300.6A Pending CN111945959A (en) | 2020-07-24 | 2020-07-24 | Multifunctional auxiliary part for machining full grouting sleeve and assembling and disassembling method thereof |
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| CN114753564A (en) * | 2021-01-12 | 2022-07-15 | 武汉源锦建材科技有限公司 | Combined multifunctional auxiliary part of grouting sleeve for connecting reinforcing steel bars and combined use method |
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Effective date of registration: 20220303 Address after: 430083 No. 12, Worker Village Metropolitan Industrial Park (South) E District, Qingshan District, Wuhan City, Hubei Province Applicant after: WUHAN UJOIN BUILDING MATERIAL TECHNOLOGY Co.,Ltd. Address before: 430083 room 701, No.12, Zone E, urban industrial park (South), Gongren village, Qingshan District, Wuhan City, Hubei Province Applicant before: Wuhan Yuanjin Zhuoyuan Machinery Co.,Ltd. |
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