CN212358861U - Positioning device for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer - Google Patents
Positioning device for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer Download PDFInfo
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- CN212358861U CN212358861U CN202020547881.XU CN202020547881U CN212358861U CN 212358861 U CN212358861 U CN 212358861U CN 202020547881 U CN202020547881 U CN 202020547881U CN 212358861 U CN212358861 U CN 212358861U
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Abstract
The utility model relates to a positioner that is used for vertical structure of assembled building conversion layer to expose pre-buried construction of connecting reinforcement, including T type skeleton roof beam, reinforcing bar locating component, pipeline locating component, T type skeleton roof beam includes T type roof beam, the stiffening plate, the locating hole, fixing bolt, stiffening plate and T type roof beam edge of a wing and web fixed connection, reinforcing bar locating component includes the elastic steel piece, locking bolt, anchor clamps, first fixed orifices, the locking hole, the elastic steel piece passes first fixed orifices and locating hole through fixing bolt, with T type skeleton roof beam fixed connection, pipeline locating component includes the screens board, the screens groove, the second fixed orifices, the screens board passes second fixed orifices and locating hole through fixing bolt, with T type skeleton roof beam fixed connection. Through the utility model discloses, positioner simple structure is reliable, and the suitability is strong, and reuse rate is high, ensures that the pre-buried location of connecting reinforcement is accurate, optimize the construction process, make things convenient for the construction, enlarges the space of vibrating, assists the pipeline location, increases positioner turnover.
Description
Technical Field
The utility model relates to a positioner that is used for prefabricated building conversion layer vertical structure to expose the pre-buried construction of connecting reinforcement for during the pre-buried work progress of connecting reinforcement is exposed to prefabricated building conversion layer vertical structure, ensure the pre-buried location of connecting reinforcement accuracy, optimize the positioner of construction process, convenient construction, belong to the building engineering field.
Background
The connection between the vertical structures in the prefabricated concrete structure is usually realized by adopting a grouting sleeve connection mode, when the conversion construction of a cast-in-place concrete layer and an assembly prefabricated layer is carried out, connecting steel bars are embedded in a lower layer (the cast-in-place concrete layer) to be exposed out of the cast-in-place layer and correspond to the sleeve positions of the prefabricated components on the upper portion one by one, and the embedding and positioning accuracy of the connecting steel bars directly influences the hoisting speed of the prefabricated components and the construction safety of the prefabricated building.
However, in actual construction, the traditional positioning device and the positioning method have the disadvantages of low pre-buried positioning accuracy, large error, complicated positioning construction, difficulty in controlling the exposed length of the connecting steel bar, need of secondary repair and low construction efficiency; meanwhile, the positioning device has large input of auxiliary materials and low repeated utilization rate. In addition, because the vibrating hole space is small, the vibrating in the concrete pouring process is easy to generate the deviation of the positioning device, and the positioning device also often influences the positioning of the embedded pipeline, so that the situation that the embedded pipeline is difficult to be butted with the pipeline in the prefabricated part is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art and device, provide a positioner that is used for prefabricated building conversion layer vertical structure to expose the pre-buried construction of connecting reinforcement, positioner simple structure is reliable, and the suitability is strong, and reuse rate is high, ensures that the pre-buried location of connecting reinforcement is accurate, optimize the construction process, make things convenient for the construction, has enlarged the vibration space, has helped the pipeline location.
The utility model aims at realizing the positioning device for the embedded construction of the exposed connecting steel bars of the vertical structure of the fabricated building conversion layer, which is characterized by comprising a T-shaped framework beam, a steel bar positioning component and a pipeline positioning component;
the T-shaped framework beam comprises a T-shaped beam, a stiffening plate, a positioning hole and a fixing bolt, wherein the stiffening plate is fixedly connected with a flange plate and a web plate of the T-shaped beam, and the positioning hole is formed in the flange plate of the T-shaped beam;
the steel bar positioning assembly comprises an elastic steel sheet, a locking bolt, a clamp, a first fixing hole and a locking hole, the clamp is arranged and fixed at the end part of the elastic steel sheet, the first fixing hole is arranged on the elastic steel sheet, the locking hole is arranged on the clamp, and the locking bolt penetrates through and is screwed on the locking hole; the fixing bolt penetrates through a first fixing hole in the steel bar positioning assembly and a positioning hole in the T-shaped framework beam to be screwed and fixed, so that the elastic steel sheet is fixedly connected with the T-shaped framework beam;
the pipeline positioning assembly comprises a clamping plate, a clamping groove and a second fixing hole, the clamping groove and the second fixing hole are both arranged on the clamping plate, and the fixing bolt penetrates through the second fixing hole in the pipeline positioning assembly and the positioning hole in the T-shaped framework beam to be screwed and fixed, so that the clamping plate is fixedly connected with the T-shaped framework beam.
The T-shaped beam is in a straight line shape, an L-shaped or a ring shape.
The clamp is arranged at two ends or one end of the elastic steel sheet, the clamp is cylindrical, the inner side of the clamp is serrated, the locking hole is formed in the side wall of the clamp, and the locking bolt penetrates through the locking hole.
One or more clamping grooves are formed in the clamping plate.
The method for positioning the positioning device for embedded construction of the exposed connecting steel bars of the vertical structure of the assembly type building conversion layer is characterized by comprising the following steps of:
step 1), construction preparation: determining the position of a positioning hole according to the basic modulus of the distance between the connecting steel bars, determining the specification of the elastic steel sheet, including the length of the elastic steel sheet and the diameter of a clamp, and determining the position and the size of a clamping groove;
step 2), assembling a positioning device: connecting a reinforcing steel bar embedded drawing and a pipeline drawing according to the vertical structure exposure of the conversion layer, and assembling a T-shaped framework beam, a reinforcing steel bar positioning assembly and a pipeline positioning assembly through a positioning hole, a fixing bolt, a first fixing hole and a second fixing hole so as to match reinforcing steel bars and pipelines at the conversion part of each cast-in-place structure and the assembly type structure; the fixing bolt penetrates through a first fixing hole in the steel bar positioning assembly and a positioning hole in the T-shaped framework beam to be screwed and fixed, so that the elastic steel sheet is fixedly connected with the T-shaped framework beam; the fixing bolt penetrates through a second fixing hole in the pipeline positioning assembly and a positioning hole in the T-shaped framework beam to be screwed and fixed, so that the clamping plate is fixedly connected with the T-shaped framework beam;
step 3), assembling connecting steel bars: cutting the connecting steel bars to a specified length according to design requirements, and marking exposed lengths on the connecting steel bars; according to the marked position, the connecting steel bar penetrates through the clamp, the locking bolt is screwed on the locking hole, and the locking bolt is screwed down by using a torque wrench to fix the connecting steel bar;
step 4), positioning: preliminarily determining the position of a prefabricated part, elastically arranging horizontal and vertical control lines, preliminarily positioning a positioning device fixed with connecting steel bars after the binding of the cast-in-place concrete layer steel bar net framework is finished, adjusting the elevation and the plane position of the positioning device, and preliminarily binding and fixing the positioning device on the cast-in-place concrete layer steel bar net framework;
step 5), fixing the connecting steel bars: positioning measure ribs are placed one by one and are respectively welded or bound with the structural steel bars and the connecting steel bars, so that the effective fixation of the connecting steel bars is ensured;
step 6), positioning the pipeline: the embedded water and electric heating ventilation pipeline passes through the corresponding clamping groove, the posture of each water and electric heating ventilation pipeline is adjusted, the pipelines are prevented from being extruded and deformed seriously, and the pipeline joints of the water and electric heating ventilation pipeline are protected;
step 7), rechecking and correcting: rechecking the position and elevation of the positioning device, the distance between the connecting steel bars, the diameter of the connecting steel bars, the exposed length of the connecting steel bars, and the number and the positions of the water and electricity heating and ventilating pipelines to ensure the construction accuracy; after the concrete pouring is finished, before the concrete is initially set, the position of the positioning device is checked again, and if deviation exists, correction is carried out in time;
step 8), dismantling the positioning device: after cast-in-place concrete is demoulded, each locking bolt is unscrewed by using a torque wrench, the positioning device is integrally lifted upwards, and the positioning device and the connecting steel bars are separated;
step 9), adjusting and transferring the positioning assembly: after the construction of embedding the connecting steel bars in the construction section is completed, the positions, the number and the specifications of the steel bar positioning assemblies and the pipeline positioning assemblies are adjusted according to a design drawing, and the positioning devices are assembled again according to the step 2) and are used in the next construction section.
In the step 1), the specification of the elastic steel sheet is determined according to the distance between the embedded steel bars and the diameter of the connecting steel bars, and the elastic steel sheet is matched with the connecting steel bars with different diameters for use so as to ensure the accuracy of the embedded position of the connecting steel bars.
In the step 2), the specifications and the number of the steel bar positioning assemblies and the pipeline positioning assemblies in the positioning device are arranged according to design requirements, and the diameters of the positioning holes, the first fixing holes and the second fixing holes are larger than the outer diameter of the fixing bolts.
In the step 3), the inner diameter of the clamp is larger than the diameter of the clamped embedded steel bar by 4mm, so that the connecting steel bar can conveniently pass through and can be accurately positioned; by adjusting the clamping position of the connecting steel bar on the clamp and the elevation of the positioning device, the exposed length of the connecting steel bar is accurately controlled on the premise that the positioning device does not enter cast-in-place concrete.
In the step 5), the length of the positioning measure rib is moderate, the welding or binding is firm, and the connection process is symmetrically performed from the middle of the positioning device to two sides at intervals.
The utility model has the advantages of reasonable and simple structure, easy production and manufacture and convenient use, and through the utility model, the positioning device for the embedded construction of the exposed connecting steel bar of the vertical structure of the assembled building conversion layer comprises a T-shaped framework beam, a steel bar positioning component and a pipeline positioning component; the T-shaped framework beam comprises a T-shaped beam, a stiffening plate, a positioning hole and a fixing bolt, wherein the stiffening plate is fixedly connected with a flange and a web plate of the T-shaped beam; the steel bar positioning assembly comprises an elastic steel sheet, a locking bolt, a clamp, a first fixing hole and a locking hole, wherein the elastic steel sheet passes through the first fixing hole and the positioning hole through the fixing bolt and is fixedly connected with the T-shaped framework beam; the pipeline positioning assembly comprises a clamping plate, a clamping groove and a second fixing hole, and the clamping plate penetrates through the second fixing hole and the positioning hole through a fixing bolt and is fixedly connected with the T-shaped framework beam.
The utility model discloses the advanced science of method, positioner simple structure is reliable, and the suitability is strong, and reuse rate is high, ensures that assembled building conversion layer vertical structure exposes the pre-buried location of connecting reinforcement accurate, optimize the construction process, make things convenient for the construction, has enlarged the space of vibrating, has assisted the pipeline location, increases positioner's turnover, improves the efficiency of construction that assembled building conversion layer vertical structure exposes the pre-buried construction of connecting reinforcement, guarantees the speed of conversion layer prefabricated component hoist and mount and the security of construction.
Drawings
FIG. 1 is a schematic structural view of the positioning device of the present invention;
FIG. 2 is a schematic structural view of a T-shaped framework beam;
FIG. 3 is a schematic view of a reinforcing bar positioning assembly;
FIG. 4 is a schematic diagram of the positioning method of the present invention;
the steel bar positioning device comprises a 1T-shaped framework beam, a 2 steel bar positioning component, a 3 pipeline positioning component, a 11T-shaped beam, a 12 stiffening plate, a 13 positioning hole, a 14 fixing bolt, a 21 elastic steel sheet, a 22 locking bolt, a 23 clamp, a 24 first fixing hole, a 25 locking hole, a 31 clamping plate, a 32 clamping groove, a 33 second fixing hole, a 4 connecting steel bar, a 5 steel bar net framework, a 51 structural steel bar, a 6 positioning measure rib, a 7 water and electricity heating and ventilation pipeline and a 71 pipeline connector.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the positioning device of the present invention is composed of a T-shaped frame beam 1, a steel bar positioning assembly 2, and a pipeline positioning assembly 3; the T-shaped framework beam 1 serves as a carrier of the whole device and provides a supporting function, and the reinforcing steel bar positioning assembly 2 and the pipeline positioning assembly 3 are used for positioning the connecting reinforcing steel bars and the pipeline respectively.
As shown in fig. 2, the T-shaped framework beam 1 comprises a T-shaped beam 11, a stiffener 12, a positioning hole 13 and a fixing bolt 14; the shape and the size of the T-shaped beam 11 are matched with the distribution form of the connecting joints of the prefabricated parts, and the T-shaped beam can be in various forms such as a linear form, an L-shaped form, a ring form and the like; the stiffening plate 12 is adjusted according to the overall rigidity requirement, so that the stability of the device is ensured; the positioning holes 13 and the fixing bolts 14 are used to fix the reinforcing bar positioning assembly and the line positioning assembly.
As shown in fig. 3, the reinforcing steel bar positioning assembly 2 includes an elastic steel sheet 21, a locking bolt 22, a clamp 23, a first fixing hole 24, and a locking hole 25; two ends or one end of the elastic steel sheet 21 are provided with clamps 23, the clamps 23 are cylindrical, the inner side of the cylinder is serrated, the side wall of each clamp is provided with a locking hole 25, and a locking bolt 22 penetrates through the locking holes and is used for locking the reinforcing steel bars.
As shown in fig. 4, a positioning method for embedded construction of exposed connecting steel bars of vertical structures of fabricated building conversion layers comprises the following steps:
step 8, dismantling the positioning device: after cast-in-place concrete is demoulded, each locking bolt 22 is unscrewed by using a torque wrench, the positioning device is integrally lifted upwards, and the positioning device and the connecting steel bars 4 are separated;
step 9, adjusting and transferring the positioning assembly: after the construction of embedding the connecting steel bars in the construction section is completed, the positions, the number and the specifications of the steel bar positioning component 2 and the pipeline positioning component 3 are adjusted according to a design drawing, and the positioning device is assembled again according to the step 2 and is used in the next construction section.
The utility model discloses in, positioner comprises T type skeleton roof beam 1, steel bar positioning component 2, pipeline locating component 3, and device skeleton rigidity is big, the wholeness is strong, realizes positioner's reuse through steel bar positioning component 2 and pipeline locating component 3's combination.
The mode of locking the connecting steel bars 4 is adopted, the positioning device and the connecting steel bars 4 are fixed firstly, and then the positioning device and the connecting steel bars 4 are integrally fixed to the lower layer steel bar framework net 5, so that the exposed length of the connecting steel bars 4 can be accurately controlled, the construction efficiency is improved, and the positioning of the water and electricity heating and ventilation pipeline 7 is realized by using the pipeline positioning assembly 3; meanwhile, the whole positioning device is of a framework type, so that the occupied area is small, the vibration space of concrete is enlarged, a special vibration hole is not required to be arranged, the construction is convenient, and the damage to the positioning device is reduced.
It will be appreciated by those skilled in the art that the foregoing embodiments are exemplary only, and are intended to provide further understanding of the invention, and are not to be construed as limiting the scope of the invention, any equivalent alterations and modifications made in accordance with the spirit of the invention disclosed are intended to be covered by this patent.
Claims (4)
1. A positioning device for embedded construction of exposed connecting steel bars of a vertical structure of an assembled building conversion layer is characterized by comprising a T-shaped framework beam (1), a steel bar positioning assembly (2) and a pipeline positioning assembly (3);
the T-shaped framework beam (1) comprises a T-shaped beam (11), a stiffening plate (12), a positioning hole (13) and a fixing bolt (14), wherein the stiffening plate (12) is fixedly connected with a flange plate and a web plate of the T-shaped beam (11), and the positioning hole (13) is arranged on the flange plate of the T-shaped beam (11);
the steel bar positioning assembly (2) comprises an elastic steel sheet (21), a locking bolt (22), a clamp (23), a first fixing hole (24) and a locking hole (25), wherein the clamp (23) is fixed at the end part of the elastic steel sheet (21), the first fixing hole (24) is formed in the elastic steel sheet (21), the locking hole (25) is formed in the clamp (23), and the locking bolt (22) penetrates through and is screwed in the locking hole (25); the fixing bolt (14) penetrates through a first fixing hole (24) in the steel bar positioning assembly (2) and a positioning hole (13) in the T-shaped framework beam (1) to be screwed and fixed, so that the elastic steel sheet (21) is fixedly connected with the T-shaped framework beam (1);
the pipeline positioning assembly (3) comprises a clamping plate (31), a clamping groove (32) and a second fixing hole (33), the clamping groove (32) and the second fixing hole (33) are arranged on the clamping plate (31), and a fixing bolt (14) penetrates through the second fixing hole (33) in the pipeline positioning assembly (3) and a positioning hole (13) in the T-shaped framework beam (1) to be screwed and fixed, so that the clamping plate (31) is fixedly connected with the T-shaped framework beam (1).
2. The positioning device for embedded construction of the exposed connecting steel bars of the vertical structure of the fabricated building conversion layer is characterized in that the T-shaped beam (11) is in a straight shape, an L shape or a ring shape.
3. The positioning device for embedded construction of the exposed connecting steel bars of the vertical structure of the fabricated building conversion layer is characterized in that clamps (23) are arranged at two ends or one end of each elastic steel sheet (21), each clamp (23) is cylindrical, the inner sides of the clamps (23) are serrated, locking holes (25) are formed in the side walls of the clamps, and locking bolts (22) penetrate through the locking holes (25).
4. The positioning device for embedded construction of the exposed connecting steel bars of the vertical structure of the assembly type building conversion layer according to claim 1, wherein one or more clamping grooves (32) are formed in the clamping plate (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020547881.XU CN212358861U (en) | 2020-04-14 | 2020-04-14 | Positioning device for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020547881.XU CN212358861U (en) | 2020-04-14 | 2020-04-14 | Positioning device for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer |
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| CN212358861U true CN212358861U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395656A (en) * | 2020-04-14 | 2020-07-10 | 江苏扬建集团有限公司 | Positioning device and positioning method for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395656A (en) * | 2020-04-14 | 2020-07-10 | 江苏扬建集团有限公司 | Positioning device and positioning method for embedded construction of exposed connecting steel bars of vertical structure of assembly type building conversion layer |
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