CN215889364U - Accurate positioning device for beam and plate reserved vertical hole of construction building - Google Patents
Accurate positioning device for beam and plate reserved vertical hole of construction building Download PDFInfo
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- CN215889364U CN215889364U CN202121941906.5U CN202121941906U CN215889364U CN 215889364 U CN215889364 U CN 215889364U CN 202121941906 U CN202121941906 U CN 202121941906U CN 215889364 U CN215889364 U CN 215889364U
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Abstract
The utility model discloses an accurate positioning device for reserved vertical holes of beams and plates of construction buildings, which consists of a positioning screw device and a hole-reserving sleeve, wherein the positioning screw device is structurally characterized in that the center of a plane seat plate is fixedly connected with an upright positioning screw, connecting holes are uniformly distributed on the plane seat plate, the center of the plane seat plate is superposed with the center of a reserved hole marked on a lower template of a template cavity, the plane seat plate is fixedly connected on the lower template through a screw, the hole-reserving sleeve is sleeved outside the positioning screw device, the outer diameter of the hole-reserving sleeve is equal to the diameter of the reserved hole, the height of the hole-reserving sleeve is equal to or larger than the thickness of the beam or plate of the reserved hole, a cover plate is arranged on an upper port of the hole-reserving sleeve in a matched manner, a matching hole is arranged in the center of the cover plate, the upper end of the positioning screw penetrates out of the matching hole of the cover plate, and the cover plate is fixed through a nut. The utility model has reasonable structure, simple structure and firm fixation, effectively controls the deformation and displacement of the hole, improves the working efficiency and ensures the construction quality.
Description
Technical Field
The utility model belongs to a positioning device for a preformed hole of a building construction building, in particular to an accurate positioning device for a preformed vertical hole of a beam and a plate of a construction building.
Background
The problems of unavoidable installation of sanitary ware, equipment and reserved holes of pipelines and the like are often encountered in the construction process of water supply, drainage and heating engineering of buildings. Especially in the construction structure stage of buildings of the same type such as residential areas, hotels and the like with concentrated pipelines, the hole reservation has the characteristics of concentrated specification, large workload and more turnover times.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an accurate positioning device for reserved vertical holes of beams and plates of a construction building, which has the advantages of reasonable structure, simple structure, simplicity and convenience in installation, firmness in fixation, capability of effectively controlling deformation and displacement of holes, improvement of working efficiency, guarantee of construction quality and recycling.
The purpose of the utility model is realized as follows: an accurate positioning device for a reserved vertical hole of a beam and a slab of a construction building comprises a built template cavity of the beam or the slab of the concrete building to be poured, the positioning device consists of a positioning screw device and a hole-reserving sleeve, wherein the positioning screw device is structurally characterized in that an upright positioning screw is fixedly connected to the center of a plane base plate, connecting holes are uniformly distributed on the plane base plate, the center of the plane base plate is superposed with the center of the reserved hole marked on a lower template of the template cavity, the plane base plate is fixedly connected to the lower template through a screw, the hole-reserving sleeve is sleeved outside the positioning screw device, the outer diameter of the hole-reserving sleeve is equal to the diameter of the reserved hole, the height of the hole-reserving sleeve is equal to or larger than the thickness of the beam or the slab of the reserved hole, a cover plate is installed on the upper port of the hole-reserving sleeve in a matched manner, a matching hole is arranged at the center of the cover plate, the upper end of the positioning screw penetrates out of the matching hole of the cover plate, the cover plate is fixed through the nut, and after the hole-reserving sleeve is leveled and centered, the nut is fastened, so that the hole-reserving sleeve is pressed and positioned on the lower template.
The utility model is composed of a plane seat plate seat, a sleeve body and a nut, adopts a welded steel sleeve to replace a PVC sleeve and a steel sleeve adopted in the traditional reservation stage, and has the characteristics of simple and convenient installation, cyclic utilization, no iron nail left in a reserved hole, beautiful appearance and obvious economic benefit. The steel sleeve has extremely low damage rate and can be repeatedly utilized. Greatly saves the raw materials and the manufacturing cost of the reserved sleeve. During installation, only positioning and fastening are needed, and other auxiliary materials are not needed. The method can be used for completing the whole installation within 2 minutes by single operation, the method replaces PVC materials and steel sleeves in the traditional method, the use of materials is saved, the consumption of auxiliary materials such as iron nails and iron wires is reduced, the environment-friendly, energy-saving and green construction is realized, the method is widely applied to various building projects, particularly to buildings with large reserved engineering quantity in holes such as houses and hotels, the effect is better, the method is suitable for the hole reserved engineering with concentrated specification and model in building structures, particularly the construction engineering of air-conditioning holes of beams, plates and shear walls, and the turnover construction is carried out.
The process flow comprises the following steps: bottom formwork installation → beam column reinforcement binding → sleeve positioning installation → concrete pouring → tightly fixed sleeve dismantling → recycling
And determining the central point of the hole according to the construction drawing and the structural datum point, taking the central point as the central position of the fixing screw rod, and fixing the reserved sleeve through the fastening action of the fixing screw rod. The offset of the central point of the vertical hole can be adjusted by utilizing a plumb bob or a laser plummet instrument, the central point of the hole at the bottom layer is led to the bottom of the upper template, so that the hole at the upper layer is positioned, and the offset of the center of the hole caused by the error of the civil formwork support of the vertically symmetrical holes can be effectively avoided. The finished sleeve is fixed by the screw, and the purpose of saving time and mounting quickly is achieved.
(1) Positioning and fixing of hole casing
1 center point identification
And determining the central point of the layer of the sleeve by using a steel tape, a steel plate ruler and a level bar according to the hole construction drawing and the structural datum point, and marking.
2 base positioning construction
And (3) carrying out positioning construction according to the mark, aligning the mark to the center of the base of the screw sleeve, ensuring that the screw is positioned at the center of the reserved hole (the positive and negative errors are not more than 2 mm), and fixing the base on the template by using screws.
3 fixed installation of sleeve
According to a drilling drawing, drilling sleeves of corresponding models and specifications are selected, the drilling sleeves are placed on a template, a horizontal ruler is used for leveling and aligning the sleeves, and then a spanner nut is used for pressing the sleeves to enable the sleeves to be firmly fixed.
4 brushing oil on the outer surface of the sleeve
In order to prevent the hole-reserving sleeve from being solidified in concrete, a small amount of waste engine oil (such as waste oil of a threading machine) or mold release agent is prepared in advance, and after the sleeve is installed, the outer surface contacting with the concrete is uniformly coated twice, so that the sleeve can be conveniently detached in the future.
5 Multi-layer casing correction
And (4) performing multi-layer correction on the sleeve with the reserved hole for the accuracy of the sleeve with the hole of the whole system. The offset of the central point of the vertical hole can be adjusted by utilizing a plumb bob or a laser plummet instrument, the central point of the hole at the bottom layer is led to the bottom of the upper template, so that the hole at the upper layer is positioned, and the offset of the center of the hole caused by the error of the civil formwork support of the vertically symmetrical holes can be effectively avoided.
6) Removal of a casing pipe for a hole
When the concrete pouring of the civil engineering is completed and the design strength is 50 percent, the sleeve can be dismantled. Loosening the nut, opening the top cover of the sleeve and removing the wood screw for fixing the base; and knocking the periphery of the sleeve by using a hammer to loosen the sleeve, taking the sleeve out along the screw, and finally recovering all auxiliary materials for construction and recycling of the underlying structure.
Has the advantages that:
1. the cost is reduced, the effect is improved, and the benefit is considerable:
the steel sleeve has extremely low damage rate and can be repeatedly utilized. Greatly saves the raw materials and the manufacturing cost of the reserved sleeve.
2. Simple operation and firm fixation:
during installation, only positioning and fastening are needed, and other auxiliary materials are not needed. The whole installation can be completed within 2 minutes by single operation.
3. Energy conservation, environmental protection, high efficiency and low carbon:
the method replaces PVC materials and steel sleeves in the traditional method, not only saves the use of materials, but also reduces the consumption of auxiliary materials such as iron nails, iron wires and the like, and realizes environment-friendly, energy-saving and green construction.
4. Wide application and good prospect:
the method is suitable for various building projects, and particularly has better effect when being applied to buildings with large hole reserved project amount such as houses, hotels, airport public buildings and the like.
The utility model has the advantages of reasonable structure, simple and convenient installation and firm fixation, effectively controls the deformation and displacement of the hole, improves the working efficiency, ensures the construction quality and can be recycled.
Drawings
The utility model will be further described with reference to the accompanying drawings, and fig. 1 is a schematic structural diagram of the utility model.
Detailed Description
An accurate positioning device for a reserved vertical hole of a beam and a slab of a construction building comprises a template cavity of a built beam or slab of the concrete building to be poured, the positioning device consists of a positioning screw device and a reserved hole sleeve 4, wherein the positioning screw device is structurally characterized in that an upright positioning screw 3 is fixedly connected to the center of a plane base plate 2, connecting holes are uniformly distributed on the plane base plate 2, the center of the plane base plate 2 is coincided with the center of a reserved hole marked on a lower template 1 of the template cavity, the plane base plate 2 is fixedly connected to the lower template 1 through a screw, the reserved hole sleeve 4 is sleeved outside the positioning screw device, the outer diameter of the reserved hole sleeve 4 is equal to the diameter of the reserved hole, the height of the reserved hole sleeve 4 is equal to or larger than the thickness of the beam or slab of the reserved hole, a cover plate 5 is installed on the upper port of the reserved hole sleeve 4 in a matching way, a matching hole is arranged at the center of the cover plate 5, the upper end of the positioning screw rod 3 penetrates out of a matching hole of the cover plate 5, the cover plate 5 is fixed through the nut 6, and after the hole-reserving sleeve 4 is leveled and centered, the nut 6 is fastened, so that the hole-reserving sleeve 4 is pressed and positioned on the lower template 1. The planar base plate 2 is made of a square steel plate, and four corners thereof are provided with connection holes, respectively. The diameter of the positioning screw 3 is 10 mm. The diameter of the cover plate 5 is 10-20mm larger than the outer diameter of the hole-reserving sleeve 4. The size of the circumcircle of the plane seat plate 2 is smaller than the inner diameter of the hole-reserving sleeve 4.
Claims (5)
1. The utility model provides an accurate positioning device of vertical hole is reserved to construction building roof beam, board, is including the template chamber of the waiting to pour concrete building roof beam or board of putting up, characterized by: the positioning device consists of a positioning screw device and a hole-reserving sleeve (4), wherein the positioning screw device is structurally characterized in that an upright positioning screw (3) is fixedly connected to the center of a plane seat plate (2), connecting holes are uniformly distributed on the plane seat plate (2), the center of the plane seat plate (2) is superposed with the center of a reserved hole marked on a lower template (1) of a template cavity, the plane seat plate (2) is fixedly connected to the lower template (1) through screws, the hole-reserving sleeve (4) is sleeved outside the positioning screw device, the outer diameter of the hole-reserving sleeve (4) is equal to the diameter of the reserved hole, the height of the hole-reserving sleeve (4) is equal to or larger than the thickness of a beam or plate of the reserved hole, a cover plate (5) is installed on an upper port of the hole-reserving sleeve (4) in a matched mode, a matching hole is formed in the center of the cover plate (5), the upper end of the positioning screw (3) penetrates out of the matching hole of the cover plate (5), the cover plate (5) is fixed through the nut (6), the hole-reserving sleeve (4) is leveled and centered, and then the nut (6) is fastened, so that the hole-reserving sleeve (4) is pressed and positioned on the lower template (1).
2. The precise positioning device for the reserved vertical holes of the beams and the plates of the construction building according to claim 1, which is characterized in that: the plane seat plate (2) is composed of a square steel plate, and connecting holes are respectively arranged on four corners of the square steel plate.
3. The precise positioning device for the reserved vertical holes of the beams and the plates of the construction building according to claim 1, which is characterized in that: the diameter of the positioning screw rod (3) is 10 mm.
4. The precise positioning device for the reserved vertical holes of the beams and the plates of the construction building according to claim 1, which is characterized in that: the diameter of the cover plate (5) is 10-20mm larger than the outer diameter of the hole-retaining sleeve (4).
5. The precise positioning device for the reserved vertical holes of the beams and the plates of the construction building according to claim 1, which is characterized in that: the size of the circumscribed circle of the plane seat plate (2) is smaller than the inner diameter of the hole-reserving sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941906.5U CN215889364U (en) | 2021-08-18 | 2021-08-18 | Accurate positioning device for beam and plate reserved vertical hole of construction building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121941906.5U CN215889364U (en) | 2021-08-18 | 2021-08-18 | Accurate positioning device for beam and plate reserved vertical hole of construction building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215889364U true CN215889364U (en) | 2022-02-22 |
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ID=80343022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121941906.5U Active CN215889364U (en) | 2021-08-18 | 2021-08-18 | Accurate positioning device for beam and plate reserved vertical hole of construction building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215889364U (en) |
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2021
- 2021-08-18 CN CN202121941906.5U patent/CN215889364U/en active Active
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