CN218581169U

CN218581169U - Quick plugging device in construction hole

Info

Publication number: CN218581169U
Application number: CN202222420317.3U
Authority: CN
Inventors: 刘路
Original assignee: Sinosteel Equipment and Engineering Co Ltd
Current assignee: Sinosteel Equipment and Engineering Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-03-07
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a construction hole rapid plugging device, which belongs to the technical field of construction of building engineering wall bodies, and comprises a concrete plugging wall, a template, template stiffening ribs and a template connecting device; the both sides face laminating of concrete shutoff wall is fixed with the template, the surface laminating of template is fixed with template stiffening rib, the template of concrete shutoff wall both sides face passes through template connecting device connects fixedly, template connecting device includes to stay bolt, adapter sleeve and to the nut of pulling, stay bolt with to the nut of pulling pass adapter sleeve, in order to incite somebody to action the template with template stiffening rib connects. The utility model discloses can prevent effectively that the fracture from taking place between shutoff wall and the structural plane, can reduce the earthquake effect to the damage of structure, improve construction speed, reduction of erection time.

Description

Quick plugging device in construction hole

Technical Field

The utility model belongs to the technical field of the building engineering wall body construction, especially about a quick plugging device of construction hole.

Background

At present, most of industrial buildings and civil buildings are mainly of concrete structures, the prefabricated concrete buildings in China are in a rapid development stage, in order to facilitate transportation of building materials and personnel in the construction process, holes are usually reserved on a wall body to serve as temporary construction holes, connecting beams are arranged on the construction holes to bear main loads of the structure through the connecting beams, the construction holes are plugged after the main construction is finished, and the filling materials of the plugged construction holes do not participate in bearing the main loads of the structure. Because the outer surface of the prefabricated peripheral retaining wall is usually not provided with a waterproof mortar plastering layer, and the inner surface of the prefabricated peripheral retaining wall is also generally not provided with a plastering layer, at this time, enough attention is paid to plugging of the reserved holes in the prefabricated peripheral retaining wall by few construction units and design houses.

In recent years, the method for plugging a construction hole by adopting building blocks becomes a main construction method, but the method has the defects of long construction period, relatively complex construction process and the like, more importantly, the treatment method for plugging the interface between the building block material and the construction hole is complicated, once the treatment is not good, the cracking phenomenon is easily generated, the hollowing and cracking of a plastering layer are further caused, the waterproof function of the building is difficult to ensure only by one layer of outer decoration, and the water seepage of an outer wall is easily generated in the long-term use process of the building. In view of the above problems, it is an objective to improve and optimize the plugging technology of concrete building outer wall holes in order to save the later maintenance cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick plugging device of construction hole, the plugging material dead weight of its adoption is light, the cost is low, thermal-insulated sound insulation performance is good, can effectively prevent to take place the fracture between shutoff wall and the structural plane.

In order to realize the aim, the utility model provides a quick plugging device for a construction hole, which comprises a concrete plugging wall, a template stiffening rib and a template connecting device; the both sides face laminating of concrete shutoff wall is fixed with the template, the surface laminating of template is fixed with template stiffening rib, the template of concrete shutoff wall both sides face passes through template connecting device connects fixedly, template connecting device includes to stay bolt, adapter sleeve and to the nut of pulling, stay bolt with to the nut of pulling pass adapter sleeve, in order to incite somebody to action the template with template stiffening rib connects.

Furthermore, the concrete blocking wall is made of fast-hardening foam concrete.

Furthermore, the quick-hardening foam concrete is prepared by adopting quick-hardening sulfur aluminosilicate cement as a cementing material.

Furthermore, one end of the template is provided with a grout inlet, and the fast-hardening foam concrete is slowly injected through the grout inlet.

Further, the surface of the template is provided with an exhaust hole for exhausting when the fast-hardening foam concrete is injected.

Furthermore, the quick plugging device for the construction hole further comprises a slurry inlet hole plug and an exhaust hole plug, wherein the slurry inlet hole plug is used for plugging the slurry inlet hole, and the exhaust hole plug is used for plugging the exhaust hole.

Further, the slurry inlet hole plug is made of steel, and the exhaust hole plug is made of wood.

Furthermore, the template stiffening ribs are made of wood cuboid blocks and used for fixing the template so as to enhance the lateral rigidity of the template surface and prevent the middle part of the template from bulging.

Furthermore, the template is a whole wood plate, and the size of the template is larger than that of the construction hole.

Furthermore, the closed holes are filled in the quick-hardening foam concrete material, so that the heat insulation performance of the quick-hardening foam concrete material is improved.

Compared with the prior art, according to the utility model discloses a quick plugging device in construction hole adopts fast hard foam concrete, and fast hard foam concrete adopts fast hard sulphur aluminosilicate cement to make for gelled material, fast hard foam concrete can produce the micro-expansion effect in the coagulation process, make fast hard foam concrete slurry automatic be full of the construction entrance to a cave, and make and have certain pre-compaction stress between construction hole interface and the infilled wall, this fundamentally has avoided the appearance of interface fracture phenomenon, therefore need not subsequent shutoff wall and the construction hole and bond special treatment between the face, and can reduce the damage of seismic action to the structure. On the other hand, the construction hole is plugged by the fast-hardening foam concrete, so that the turnover efficiency of the mold can be greatly improved, the construction speed can be increased, and the construction period can be shortened. The closed hole is filled in the quick-hardening foam concrete material, so that the heat preservation and heat insulation performance of the quick-hardening foam concrete material can be improved.

Drawings

Fig. 1 is a schematic view of a fast hardening foam concrete plugging construction hole according to an embodiment of the present invention;

FIG. 2 is a schematic view of a formwork used for plugging a construction hole with fast hardening foam concrete according to an embodiment of the present invention;

FIG. 3 is an enlarged partial view of a form stiffener according to one embodiment of the present invention;

FIG. 4 is a partial enlarged view of a grout inlet plug according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of a vent plug according to an embodiment of the present invention;

FIG. 6 is an enlarged partial view of a form attaching apparatus according to an embodiment of the present invention;

fig. 7 is a partial sectional view of a template attachment apparatus to be secured to a template according to an embodiment of the present invention.

Description of the main reference numbers:

1: a common concrete wall; 2: concrete plugging walls; 3: a formwork stiffener; 4: a template connecting device; 41: oppositely pulling the bolts; 42: connecting a sleeve; 43: oppositely pulling the nut; 5: a template; 51: a slurry inlet hole; 52: an exhaust hole; 6: a slurry inlet hole plug; 7: and (4) exhausting the air hole plug.

Detailed Description

The following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, the rapid plugging device for construction holes according to the preferred embodiment of the present invention comprises a concrete plugging wall 2, a formwork 5, a formwork stiffening rib 3, and a formwork connecting device 4; the two side faces of the concrete plugging wall 2 are fixedly attached with the templates 5, the surfaces of the templates 5 are fixedly attached with the template stiffening ribs 3, the templates 5 on the two side faces of the concrete plugging wall 2 are fixedly connected through the template connecting device 4, the template connecting device 4 comprises split bolts 41, connecting sleeves 42 and split nuts, the split bolts 41 and the split nuts penetrate through the connecting sleeves 42, and the templates 5 are connected with the template stiffening ribs 3.

The concrete plugging wall 2 is made of fast-hardening foam concrete, the fast-hardening foam concrete is mainly made of water, fast-hardening sulpho-aluminosilicate cement and foaming agents, the fast-hardening sulpho-aluminosilicate cement, fly ash, water reducing agents and water are used as raw materials to be fully and uniformly mixed to prepare cement mortar, and fast-hardening foam concrete slurry is poured into the template 5 to form the fast-hardening foam concrete plugging wall 2. On the other hand, the quick-hardening foam concrete with different densities is obtained by controlling the volume of the foam mixed into the cement paste so as to deal with construction holes with different working conditions.

The quick-hardening foam concrete is quick in setting and hardening and high in early strength, and the mould can be disassembled within four hours, so that the turnover of the mould can be accelerated, and the purchase cost of the mould can be reduced; meanwhile, the fast-hardening foam concrete slurry has high fluidity and workability, and the characteristic enables the interior of the poured filler wall to have high compactness and the appearance to have good flatness. The rapid-hardening foam concrete also has micro-expansibility, in the solidification process, air holes in slurry of the rapid-hardening foam concrete can be subjected to thermal expansion under the action of hydration heat, so that the whole filling wall generates a micro-expansion effect, but the expansion effect of the filling wall can be restrained by the template 5 and the edge of a construction hole, so that the filling wall and the edge of the construction hole have extrusion stress, the integrity between the plugging wall and the structural wall is greatly enhanced by the extrusion stress and the higher pouring compactness, and the occurrence of common edge cracks of the plugging wall is avoided. The quick-hardening foam concrete has good low-temperature performance and low requirement on the environmental temperature. Different from common Portland cement, the quick-hardening sulphoaluminate cement can be constructed in winter at lower temperature in cold regions of China, and great convenience is provided for construction.

Fig. 2 is a schematic view of a formwork 5 used for plugging a construction hole by fast-hardening foam concrete according to an embodiment of the present invention, one end of the formwork 5 is provided with a grout inlet 51, fast-hardening foam concrete is slowly injected through the grout inlet 51, the surface of the formwork 5 is provided with an exhaust hole 52, and the exhaust hole 52 is used for exhausting when the fast-hardening foam concrete is injected.

FIG. 3 is an enlarged partial view of a form stiffener 3 according to one embodiment of the present invention; the template stiffening ribs 3 are made of wood cuboid blocks, and the template 5 is fixed through the template stiffening ribs 3 so as to enhance the external lateral rigidity of the template 5 and prevent the middle part of the template 5 from bulging.

Fig. 4 and 5 are partially enlarged views of a grout inlet plug 6 and a vent plug 7 according to an embodiment of the present invention; the slurry inlet hole plug 6 is used for plugging the slurry inlet hole 51, and the exhaust hole plug 7 is used for plugging the exhaust hole 52. The pulp inlet hole plug 6 is made of steel, and the exhaust hole plug 7 is made of wood.

Fig. 6 is a partial enlarged view of the formwork connecting device 4 according to an embodiment of the present invention, the formwork connecting device 4 includes a tie bolt 41, a connecting sleeve 42, and a tie nut 43, and the tie bolt 41 and the tie nut 43 pass through the connecting sleeve 42 to connect the formwork 5 with the formwork stiffener 3. The split bolt 41 and the split nut 43 are both made of high-strength steel, and the connecting sleeve 42 is made of PVC. The formworks 5 and the formwork stiffeners 3 on both sides of the construction hole are fixed by tie bolts 41 and tie nuts 43. PVC sleeve pipe cover is on split bolt 41, prevents that fast hard foam concrete and bolt from gluing together, influences repeated turnover and uses. After the fast-hardening foam concrete reaches the strength, the template 5, the split bolts 41 and the split nuts 43 are directly dismounted, the PVC casing pipe is left in the fast-hardening foam concrete wall, and then the PVC casing pipe is fully embedded with the foam concrete mortar by a caulking method.

Template 5 is monoblock wooden board, and its size is bigger than the construction hole, sets up into thick liquid hole 51 and exhaust hole 52 on template 5, and during the construction, the both sides in construction hole all need set up template 5, and one side template 5 that advances thick liquid need set up into thick liquid hole 51 at construction hole downside intermediate position, need not set up on another side template 5, but both sides template 5 all need set up exhaust hole 52 at construction hole top position, advances thick liquid hole 51 and exhaust hole 52 quantity and decide according to the size in construction hole.

Fig. 7 is according to the utility model discloses a local section after template 5 is fixed to template connecting device 4 of embodiment, the both sides face laminating of concrete shutoff wall 2 is fixed with template 5, it has template stiffening rib 3 to laminate fixedly on the surface of template 5, template 5 of the both sides face of concrete shutoff wall 2 is connected fixedly through template connecting device 4, template connecting device 4 includes split bolt 41, adapter sleeve 42 and split nut 43, split bolt 41 and split nut 43 pass adapter sleeve 42 to be connected template 5 and template stiffening rib 3.

The closed holes are filled in the quick-hardening foam concrete material and are used for improving the heat preservation and heat insulation performance of the quick-hardening foam concrete material.

The embodiment of the utility model provides an utilize fast hard foam concrete shutoff construction hole can reduce the damage of seismic action to the structure. On the one hand, the filled construction hole does not bear its upper load, but rather transfers its own weight to the foundation. The density of the quick-hardening foam concrete is low, and the quick-hardening foam concrete can be used as a plugging material to plug a construction hole to reduce the self weight of the structure, so that the seismic effect of the structure is effectively reduced. On the other hand, the fast-hardening foam concrete material is a porous concrete material, and a large amount of energy is dissipated by self deformation and damage, so that the fast-hardening foam concrete material has excellent energy absorption capacity. The wall body is a first defense line of structural earthquake resistance, and the strength of the quick-hardening foam concrete is far lower than that of a common earthquake-resistant wall, so that when the wall body is subjected to earthquake action, the quick-hardening foam concrete blocking wall 2 is firstly damaged, a part of earthquake energy can be consumed, the structural damage degree is reduced, and the construction method is equivalent to an energy consumption component of the whole structure.

In the scheme, the fast-hardening foam concrete plugging wall 2 is made of cast-in-place foam concrete slurry, has good fluidity, and can ensure the compactness and the flatness of the outer surface of the plugging wall body without vibration in the casting process. In order to make the rapid hardening foam concrete placement more compact, the grout inlet hole 51 is provided at the lower middle position of the formwork 5. After pouring is finished, the grout inlet hole 51 is positioned at the lower position of the template 5, so that the pressure at the position is higher, and therefore, a steel hole plug is selected for the grout inlet hole 51 to ensure the plugging quality and prevent mortar at the position of the grout inlet hole 51 from overflowing. In order to ensure that air in the formwork 5 is smoothly exhausted in the casting and process, the formwork 5 should be provided with a plurality of exhaust holes 52, the exhaust holes 52 should be provided with a plurality of rows, the upper edge of the uppermost row of exhaust holes 52 should be flush with the upper edge of the construction hole, and the lower row of exhaust holes 52 and the upper row of exhaust holes 52 sequentially and uniformly flow casting slurry out, which indicates that the casting work of the construction hole is finished. The exhaust hole 52 is arranged at the upper side of the construction hole, the liquid pressure at the exhaust hole 52 is small, and the fast-hardening foam concrete slurry can be prevented from overflowing by using the wooden hole plug.

In the scheme, in order to better ensure the integrity between the blocking wall and the structure, the anchor bars are reserved in the construction hole according to the actual working condition during the construction of the upper structure, and the anchor bars are straightened before the material of the blocking construction hole is poured and then pouring is carried out. In addition, the periphery of the construction hole can be roughened.

The utility model discloses a fast hard foam concrete condense fast, and the form removal time is short, and construction process is simple, but mass mechanized production, consequently, utilize fast hard foam concrete shutoff construction hole can improve mould turnover efficiency greatly to can improve the construction speed, reduction of erection time. The construction hole is plugged by using the plugging material as a plugging material, so that the dead weight of the structure can be greatly reduced, and the seismic effect of the structure is effectively reduced. Meanwhile, the hard foam concrete slurry has good fluidity and workability, and generates a micro-expansion effect in the condensation process, so that the fast hard foam concrete slurry automatically fills the construction hole, and a certain pre-compression stress is generated between the construction hole interface and the filling wall, thereby fundamentally avoiding the occurrence of interface cracking, and further avoiding the subsequent special treatment between the blocking wall and the construction hole bonding surface.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A quick plugging device for a construction hole is characterized by comprising a concrete plugging wall, a template stiffening rib and a template connecting device; the both sides face laminating of concrete shutoff wall is fixed with the template, the surface laminating of template is fixed with template stiffening rib, the template of concrete shutoff wall both sides face passes through template connecting device connects fixedly, template connecting device includes to stay bolt, adapter sleeve and to the nut of pulling, stay bolt with to the nut of pulling pass adapter sleeve, in order to incite somebody to action the template with template stiffening rib connects.

2. A rapid plugging device for a construction hole according to claim 1, wherein said concrete plugging wall is made of rapid hardening foam concrete.

3. A rapid construction hole plugging device according to claim 2, wherein the rapid hardening foam concrete is made of rapid hardening alumino-silicate cement as a cementing material.

4. The quick plugging device for the construction hole according to claim 2, wherein one end of the formwork is provided with a grout inlet, and the quick-hardening foam concrete is slowly injected through the grout inlet.

5. The quick plugging device for construction hole according to claim 2, wherein the surface of said formwork is provided with a vent hole for venting air when injecting the quick hardening foam concrete.

6. The quick plugging device for the construction hole according to claim 1, further comprising a slurry inlet hole plug and an exhaust hole plug, wherein the slurry inlet hole plug is used for plugging the slurry inlet hole, and the exhaust hole plug is used for plugging the exhaust hole.

7. A quick plugging device for a construction hole according to claim 6 wherein said grout inlet hole plug is made of steel and said air discharge hole plug is made of wood.

8. A rapid plugging device for construction hole according to claim 1 wherein said formwork stiffening rib is made of a rectangular block of wood, said formwork stiffening rib is used for fixing said formwork to enhance the lateral rigidity of the outside of the formwork surface and prevent the middle part of said formwork from bulging.

9. A rapid plugging device for a construction hole according to claim 1, wherein said form is a monolithic wooden board having a size larger than that of the construction hole.

10. The quick plugging device for construction hole according to claim 2, wherein the interior of the quick hardening foam concrete material is filled with a closed hole for improving the heat preservation and insulation performance of the quick hardening foam concrete material.