CN111980300B - Assembled building stand module - Google Patents
Assembled building stand module Download PDFInfo
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- CN111980300B CN111980300B CN202010846018.9A CN202010846018A CN111980300B CN 111980300 B CN111980300 B CN 111980300B CN 202010846018 A CN202010846018 A CN 202010846018A CN 111980300 B CN111980300 B CN 111980300B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- Structural Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides an assembly type building stand column module which comprises a square column body, a butt joint base and a pouring auxiliary device, wherein the square column body comprises a reinforcement cage framework and concrete, the butt joint base is arranged in the concrete at the lower part of the square column body and comprises a supporting bottom plate, the pouring auxiliary device comprises a pouring sealing pressure plate assembly, two threaded rods are arranged on a connecting plate, and the pouring sealing pressure plate assembly can be connected with the concrete of the square column body through the threaded rods. The sleeve in the column module is directly fixed on the supporting bottom plate, so that the sleeve cannot be displaced when the column module is prefabricated and poured, and direct butt joint of the subsequent sleeve and a reinforcing steel bar on a building foundation is facilitated; after the upright post module is in butt joint with the building foundation, the sealing of a gap between the upright post module and the building foundation can be smoothly realized through the pouring auxiliary device, so that the subsequent pouring is favorably and smoothly carried out.
Description
Technical Field
The invention relates to an assembled building column module.
Background
The prefabricated building refers to a building assembled on a construction site by using prefabricated components. The building has the advantages of high building speed, less restriction by climatic conditions, labor saving and building quality improvement. The assembly type building mostly adopts traditional reinforced concrete material as the assembly module raw materials of assembly type building, and the connection between the assembly module adopts traditional bolted connection, welding mode etc.. At present, in the process of prefabricating an upright post module, a sleeve is generally required to be arranged at the bottom of an upright post so that a reinforcing steel bar on a building foundation for fixing the upright post is inserted into the bottom of the upright post to realize the stable combination of the upright post and the building foundation, and in the process of prefabricating, because the sleeve often has a certain amount of displacement, when the reinforcing steel bar is inserted into the sleeve, the positions of the upright post and the upper part of the reinforcing steel bar are required to be repeatedly adjusted to realize the smooth insertion of the reinforcing steel bar into the sleeve, so that the butt joint operation of the upright post module and the building foundation is troublesome; furthermore, after the column module is butted with the building foundation, a grouting pouring mode is often adopted to realize stable connection between the bottom of the column and the building foundation, in the prior art, when in-situ pouring is carried out, a pouring sealing template needs to be built at the butt joint of the bottom of the column and the building foundation again so as to realize sealing during pouring, the in-situ building of the template is time-consuming and labor-consuming, the sealing effect on the annular gap between the bottom of the column and the building foundation is not good, the slurry leakage phenomenon often occurs, furthermore, holes are often needed to be punched on the building foundation for supporting the template supporting support rod so as to realize favorable support on the template, and thus, the in-situ pouring operation between the column module and the building foundation is complicated.
Disclosure of Invention
The invention aims to provide an assembled building upright post module, wherein a sleeve in the upright post module is directly fixed on a supporting bottom plate, so that the sleeve cannot be displaced when the upright post module is prefabricated and poured, and the subsequent direct butt joint of the sleeve and a reinforcing steel bar on a building foundation is facilitated; after the upright post module is in butt joint with the building foundation, the sealing of a gap between the upright post module and the building foundation can be smoothly realized through the pouring auxiliary device, so that the subsequent pouring is favorably and smoothly carried out.
The technical scheme adopted by the invention for solving the technical problems is as follows: an assembled building stand column module comprises a square column body, a butt joint base and a pouring auxiliary device, wherein the square column body comprises a steel reinforcement cage framework and concrete, a plurality of insertion rods fixedly connected with the steel reinforcement cage framework are arranged at the upper part of the square column body, the butt joint base is arranged in the concrete at the lower part of the square column body and comprises a supporting bottom plate, a first connecting hole is respectively arranged at four top corners of the supporting bottom plate, an isolation cover is arranged at the outer side of the first connecting hole, a connecting plate is respectively arranged between two adjacent isolation covers, a plurality of insertion holes are respectively arranged at the outer side of the connecting plate, a sleeve pipe coaxial with the insertion holes is fixedly arranged on the insertion holes, the upper end of the sleeve pipe is closed, a grout outlet pipe and a grout inlet pipe are arranged on the sleeve pipe and are sequentially distributed from top to bottom, the grout outlet pipe and the grout inlet pipe penetrate through the concrete of the square column body and then are communicated with the outside, a plurality of connecting rods are arranged in a square area defined by the four connecting plates, and the connecting rods are fixedly connected with the steel bar keel frame in the square column; the auxiliary pouring device comprises a sealing pressing plate assembly, two threaded rods are arranged on the connecting plate and exposed outside the concrete of the square cylinder, the sealing pressing plate assembly can be connected with the concrete of the square cylinder through the threaded rods, and the sealing pressing plate assembly is used for plugging the outer side of a gap between the supporting bottom plate and the upper portion of the building foundation for fixing the square cylinder.
Preferably, the casting seal pressing plate assembly comprises a first right-angle pressing plate and a second right-angle pressing plate, the first right-angle-shaped pressing plate and the second right-angle-shaped pressing plate are sequentially buckled at the outer side of the lower part of the square column body end to end, the first right-angle pressing plate and the second right-angle pressing plate are respectively provided with a long round hole corresponding to the threaded rod, an internal thread pipe matched with the threaded rod is sleeved in the long round hole, the first right-angle pressing plate and the second right-angle pressing plate can be pressed on the square column body by rotating the internal thread pipe, outer grooves are respectively arranged at the outer sides of the end parts of the two right-angle plates of the first right-angle pressure plate, inner grooves opposite to the outer grooves are respectively arranged at the inner sides of the end parts of the two right-angle plates of the second right-angle pressure plate, the right-angle plate of the first right-angle pressure plate and the right-angle plate of the second right-angle pressure plate can be buckled together through the corresponding outer groove and the corresponding inner groove.
Furthermore, the first right-angle pressing plate and the second right-angle pressing plate are respectively provided with a first through hole and a second through hole which are vertically distributed, and the first through hole and the second through hole are respectively communicated with the corresponding inner parts of the isolation covers.
Furthermore, an auxiliary pressurizing plate is arranged on the outer side of the buckling position of the first right-angle-shaped pressing plate and the second right-angle-shaped pressing plate, and the auxiliary pressurizing plate is sleeved on the corresponding two internal threaded pipes.
Preferably, a layer of rubber pad is arranged on the inner surface of each of the first right-angle pressing plate and the second right-angle pressing plate.
Preferably, a protective tube is arranged in the first connecting hole.
The invention has the beneficial effects that: the invention has simple structure and convenient manufacture; the supporting bottom plate at the lower part of the square column body is a steel plate, the flatness of the supporting bottom plate is good, and then when the square column body is butted with a building foundation, the supporting bottom plate is favorable for reducing a gap between the square column body and the building foundation, so that the stable connection between the square column body and the building foundation is favorably realized; the supporting bottom plate is fixedly connected with a reinforcement cage framework in the square column body through the connecting rod, so that the supporting bottom plate can be firmly connected with the square column body; the sleeve is fixedly arranged on the supporting base plate, so that when the square column is prefabricated and poured, the sleeve cannot easily shift, the smooth butt joint of the reinforcing steel bars on the subsequent building foundation and the sleeve can be ensured, and the mounting efficiency of the square column is improved conveniently; after the square column body is butted with the building foundation, the auxiliary pouring device is utilized, the sealing of an annular gap between the square column body and the building foundation can be smoothly realized, and therefore the rapid implementation of the on-site pouring work between the square column body and the building foundation is convenient.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the support base;
FIG. 3 is a schematic view of the combination of a first right angle platen and a second right angle platen;
FIG. 4 is a schematic view of a pouring seal pressing plate assembly in a closed state for realizing a gap between a square column and a building foundation;
FIG. 5 is a schematic view showing the state where the first right-angled pressing plate is pressed against the lower portion of the square column by the threaded rod by the pressure of the female screw tube;
FIG. 6 is a schematic view of the distribution of the shielding pipes in the first connecting holes;
in the figure: 1 square column body, 11 inserted link, 2 supporting baseplate, 21 first connecting hole, 211 protective tube, 22 cage, 23 connecting plate, 231 threaded rod, 24 connecting rod, 25 sleeve pipe, 251 grout pipe, 252 grout pipe, 31 first right angle clamp plate, 311 outer groove, 32 second right angle clamp plate, 321 inner groove, 33 slotted hole, 34 rubber leather pad, 35 first through hole, 36 second through hole, 4 supplementary increased pressure board, 5 internal thread pipe, 101 concrete, 102 building foundation, 103 inserted reinforcing bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1-6, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.
The invention provides an assembly type building upright post module (as shown in figure 1), which comprises a square post body 1, a butt joint base and a pouring auxiliary device, wherein the square post body 1 comprises a reinforcement cage framework and concrete, and the pouring of the reinforcement cage framework and the concrete is the prior art in the field, so the prefabrication and manufacturing process of the square post body 1 is not described in detail, a plurality of insertion rods 11 fixedly connected with the reinforcement cage framework are arranged at the upper part of the square post body 1, the butt joint base is arranged in the concrete 101 at the lower part of the square post body 1, the butt joint base comprises a supporting base plate 2, a first connecting hole 21 is respectively arranged at four top corners of the supporting base plate 2, an isolation cover 22 is arranged at the outer side of the first connecting hole 21, and when the square post body 1 is prefabricated, the isolation cover 22 is used for isolating the concrete from entering the square post body, then prevent that the concrete from plugging up first connecting hole 21, when square cylinder 1 docks with building foundation 102, the upper end of pre-buried anchor threaded rod on building foundation 102 is pegged graft in first connecting hole 21, then, realize supporting baseplate 2 and building foundation 102's compressing tightly through the nut and be connected, utilize the hoist to hoist square cylinder 1, when realizing the position adjustment of square cylinder 1, for the inner wall fish tail or the destruction of the upper portion of preventing the anchor threaded rod by first connecting hole 21, here, set up a protective tube 211 in first connecting hole 21. A connecting plate 23 is arranged between two adjacent isolation covers 22, a plurality of inserting holes are arranged on the outer side of the connecting plate 23, a sleeve pipe 25 coaxial with the inserting holes is fixedly arranged on the inserting holes, the upper end of the sleeve pipe 25 is closed, the lower part of the sleeve pipe 25 is communicated with the inserting holes, a grout outlet pipe 251 and a grout inlet pipe 252 are arranged on the sleeve pipe 25 and are sequentially distributed from top to bottom, the grout outlet pipe 251 and the grout inlet pipe 252 penetrate through the concrete 101 of the square column body 1 and are communicated with the outside, the sleeve pipe 25 is used for being in butt joint with an inserting steel bar 103 on a building foundation 102, a plurality of connecting rods 24 are arranged in a square area defined by the four connecting plates 23, the connecting rods 24 are fixedly connected with a steel bar keel frame in the square column body 1, the supporting base plate 2 is fixedly connected with a steel bar cage frame through the connecting rods 24, and the sleeve pipe 25 is fixedly arranged on the supporting base plate 2, the position of each sleeve 25 is ensured to be relatively fixed, then when the square column body 1 is poured, the precise positioning of the sleeves 25 is realized, the position of each sleeve 25 is precisely positioned, and then the smooth butt joint of the subsequent sleeve 25 and the splicing steel bars 103 on the building foundation 102 is facilitated.
The auxiliary pouring device comprises a pouring sealing pressure plate assembly, two threaded rods 231 are arranged on the connecting plate 23, the threaded rods 231 are exposed outside the concrete 101 of the square column body 1, in the pouring process, in order to facilitate separation of the threaded rods 231 from the concrete 101, isolation pipes sleeved outside the threaded rods 231 can be fixedly arranged on the connecting plate 23, the pouring sealing pressure plate assembly can be connected with the concrete 101 of the square column body 1 through the threaded rods 231, and the pouring sealing pressure plate is used for plugging the outer sides of gaps between the supporting bottom plate 2 and the upper portion of the building foundation 102 for fixing the square column body 1.
In this embodiment, the concrete implementation manner of pouring the sealing pressure plate assembly is as follows: the pouring sealing pressure plate assembly comprises a first right-angle pressure plate 31 and a second right-angle pressure plate 32, the first right-angle pressure plate 31 and the second right-angle pressure plate 32 are sequentially buckled with each other end to end on the outer side of the lower part of the square column body 1, specifically, the first right-angle pressure plate 31 and the second right-angle pressure plate 32 are correspondingly buckled at the top corners of the four right-angles of the square column body 1, the first right-angle pressure plate 31 and the second right-angle pressure plate 32 are respectively provided with a long circular hole 33 corresponding to the threaded rod 231, the inner diameter of the long circular hole 33 is larger than the diameter of the threaded rod 231, so that when the first right-angle pressure plate 31 and the second right-angle pressure plate 32 are buckled on the outer side of the square column body 1, position adjustment is realized, tight fit between the first right-angle pressure plate 31 and the second right-angle pressure plate 32 and the concrete 101 is generally realized, the long circular holes 33 are vertically distributed, and the position of the first right-angle pressure plate 31 and the second right-angle pressure plate 32 in the vertical direction can be adjusted conveniently, and then the sealing of the annular gap between the square column 1 and the building foundation 102 can be realized by the first right-angle pressing plate 31 and the second right-angle pressing plate 32, when the first right-angle pressing plate 31 and the second right-angle pressing plate 32 are adjusted, the upper parts of the two right-angle pressing plates do not block the grout pipe 252, an internal thread pipe 5 matched with the threaded rod 231 is arranged in the long round hole 33, the first right-angle pressing plate 31 and the second right-angle pressing plate 32 can be pressed against the square column 1 by rotating the internal thread pipe 5, the outer sides of the end parts of the two right-angle plates of the first right-angle pressing plate 31 are respectively provided with an outer groove 311, the inner sides of the end parts of the two right-angle plates of the second right-angle pressing plate 32 are respectively provided with an inner groove opposite to the outer groove 311, the right-angle plates of the first right-angle pressing plate 31 and the second right-angle pressing plate 32 can be fastened together through the corresponding outer grooves 311 and inner grooves 321, after the outer groove 311 on the first rectangular pressing plate 31 is buckled with the inner groove 321 on the second rectangular pressing plate 32, the butt joint of the rectangular plates of the first rectangular pressing plate 31 and the corresponding rectangular plates on the second rectangular pressing plate 32 is realized, and the thickness of the butt joint is substantially equal to the thickness of the right-angle plate of the first right-angle pressing plate 31 and the thickness of the right-angle plate of the second right-angle pressing plate 32, in practical application, in order to improve the stable pressing force of the internal thread pipe 5 on the first right-angle pressing plate 31 and the second right-angle pressing plate 32, here, an auxiliary pressurizing plate 4 is arranged at the outer side of the buckling position of the first right-angle pressing plate 31 and the second right-angle pressing plate 32, and the auxiliary pressurizing plates 4 are sleeved on the corresponding two internal threaded pipes 5, the auxiliary pressurizing plates 4 can be compressed by rotating the internal threaded pipes 5, and the auxiliary pressurizing plates 4 further realize the pressing of the first right-angle-shaped pressing plate 31 and the second right-angle-shaped pressing plate 32.
After the gaps at the butt joint of the square column 1 and the building foundation 102 are sealed by using the first right-angle pressing plate 31 and the second right-angle pressing plate 32, in order to facilitate the realization of pouring inside the isolation cover 22, two first through holes 35 and two second through holes 36 which are distributed up and down are respectively arranged on the first right-angle pressing plate 31 and the second right-angle pressing plate 32, the first through holes 35 and the second through holes 36 are respectively communicated with the corresponding inside of the isolation cover 22, when pouring is performed, concrete is poured into the isolation cover 22 through the second through holes 36, and when the concrete emerges from the first through holes 35, the pouring is stopped.
Furthermore, in order to improve the close fit between the inner sides of the first right-angle pressing plate 31 and the second right-angle pressing plate 32 and the outer sides of the square column 1 and the building foundation 102, a layer of rubber pad 34 is arranged on the inner surfaces of the first right-angle pressing plate 31 and the second right-angle pressing plate 32, and through holes corresponding to the long round hole 33, the first through hole 35 and the second through hole 36 are arranged on the rubber pad 34.
When the square column 1 is fixed on the building foundation 102, the first right-angle pressing plate 31 and the second right-angle pressing plate 32 can be detached from the lower part of the square column 1, after the square column 1 is butted with the building foundation 102, the initial fixed connection between the square column 1 and the building foundation 102 is realized by using the anchoring threaded rod in the isolation cover 22, after the square column 1 is initially fixed, the first right-angle pressing plate 31 and the second right-angle pressing plate 32 are stably fixed on the periphery of a gap between the square column 1 and the building foundation 102 by using the internal threaded pipe 5 and the auxiliary pressurizing plate 4, so as to realize the plugging of the gap, after the plugging of the gap is completed, concrete is poured into the gap between the sleeve 25 and the square column 1 and the building foundation 102 through the grouting hole 252 in sequence, meanwhile, the concrete is also poured into the isolation cover 22, after the concrete is solidified, the first right-angle pressing plate 31 and the second right-angle pressing plate 32 can be detached from the square column 1, and then the pouring connection between the square column 1 and the building foundation 102 is completed.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (3)
1. An assembly type building stand column module comprises a square column body, wherein the square column body comprises a steel reinforcement cage framework and concrete, a plurality of insertion rods fixedly connected with the steel reinforcement cage framework are arranged at the upper part of the square column body, the assembly type building stand column module is characterized by further comprising a butt joint base and a pouring auxiliary device, the butt joint base is arranged in the concrete at the lower part of the square column body and comprises a supporting base plate, a first connecting hole is respectively arranged at four top corners of the supporting base plate, an isolation cover is arranged at the outer side of the first connecting hole, a connecting plate is arranged between every two adjacent isolation covers, a plurality of insertion holes are respectively arranged at the outer side of the connecting plate, a sleeve pipe coaxial with the insertion holes is fixedly arranged on the insertion holes, the upper end of the sleeve pipe is closed, and a grout outlet pipe and a grout inlet pipe which are sequentially distributed up and down are arranged on the sleeve pipe, the slurry outlet pipe and the slurry filling pipe penetrate through the concrete of the square column and then are communicated with the outside, a plurality of connecting rods are arranged in a square area defined by the four connecting plates, and the connecting rods are fixedly connected with a steel bar keel frame in the square column; the auxiliary pouring device comprises a pouring sealing pressing plate assembly, two threaded rods are arranged on the connecting plate and are exposed out of the concrete of the square cylinder, the pouring sealing pressing plate assembly can be connected with the concrete of the square cylinder through the threaded rods, and the pouring sealing pressing plate is used for plugging the outer side of a gap between the supporting bottom plate and the upper part of the building foundation for fixing the square cylinder; the pouring sealing pressure plate assembly comprises a first right-angle pressure plate and a second right-angle pressure plate, the first right-angle pressure plate and the second right-angle pressure plate are sequentially connected end to end and buckled on the outer side of the lower part of the square column body, the first right-angle pressing plate and the second right-angle pressing plate are respectively provided with a long round hole corresponding to the threaded rod, an internal thread pipe matched with the threaded rod is sleeved in the long round hole, the first right-angle pressing plate and the second right-angle pressing plate can be pressed on the square column body by rotating the internal thread pipe, outer grooves are respectively arranged at the outer sides of the end parts of the two right-angle plates of the first right-angle pressure plate, inner grooves opposite to the outer grooves are respectively arranged at the inner sides of the end parts of the two right-angle plates of the second right-angle pressure plate, the right-angle plate of the first right-angle pressure plate and the right-angle plate of the second right-angle pressure plate can be buckled together through corresponding outer grooves and inner grooves; the first right-angle pressing plate and the second right-angle pressing plate are respectively provided with a first through hole and a second through hole which are distributed up and down, and the first through hole and the second through hole are respectively communicated with the corresponding inner parts of the isolation covers; and the outer sides of the buckling positions of the first right-angle-shaped pressing plate and the second right-angle-shaped pressing plate are respectively provided with an auxiliary pressurizing plate, and the auxiliary pressurizing plates are sleeved on the corresponding two internal threaded pipes.
2. A fabricated building column module according to claim 1, wherein a layer of rubber mat is provided on the inner surface of each of the first and second right angle press plates.
3. A fabricated building column module according to claim 1, wherein a protective tube is provided within the first connecting bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846018.9A CN111980300B (en) | 2020-08-21 | 2020-08-21 | Assembled building stand module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846018.9A CN111980300B (en) | 2020-08-21 | 2020-08-21 | Assembled building stand module |
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| Publication Number | Publication Date |
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| CN111980300A CN111980300A (en) | 2020-11-24 |
| CN111980300B true CN111980300B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010846018.9A Active CN111980300B (en) | 2020-08-21 | 2020-08-21 | Assembled building stand module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114960988B (en) * | 2022-05-23 | 2023-05-16 | 中国一冶集团有限公司 | Steel pipe confined concrete column structural joint plugging device and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960001439B1 (en) * | 1992-10-16 | 1996-01-30 | 반석철 | Interior aseismatic structure |
| CN106049760B (en) * | 2016-08-11 | 2018-12-04 | 大连理工大学 | Precast concrete suspension column and its construction, maintaining method are quickly repaired after shake |
| CN206352340U (en) * | 2016-12-29 | 2017-07-25 | 上海建工集团股份有限公司 | Connecting node between precast concrete column and pedestal |
| CN107780530B (en) * | 2017-10-23 | 2020-08-07 | 南京市第八建筑安装工程有限公司 | Connecting structure of prefabricated assembled column and construction method thereof |
| CN109025270A (en) * | 2018-07-17 | 2018-12-18 | 芜湖芬特勘测服务有限公司 | A kind of concrete post erecting device and application method |
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