阅读说明：本技术 一种用于场馆现浇看台板加固的装置及其施工方法 (Device for reinforcing cast-in-place stand board of venue and construction method thereof ) 是由 周帅 周靖康 崔立会 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种用于场馆现浇看台板加固的装置及其施工方法,包括面板组件和龙骨支架,面板组件的下侧安装有龙骨支架,龙骨支架的下侧设置有支撑底架,使用盘扣式支撑体系,节约周转材料,保证看台板模板的稳固、经济、合理,使用可调节的H形支架组件,减小模板支设难度,支架还可重复利用,上部穿墙螺栓依次贯穿前上主龙骨、前上立模面板、座位板的上部、后立模面板、钢管主龙骨、前下主龙骨、前下立模面板、座位板的下部和后主龙骨并紧固,下部穿墙螺栓依次贯穿前下主龙骨、前下立模面板、座位板的下侧后立模面板和后主龙骨并紧固,减小加固困难,提高施工速度。(The invention discloses a device for reinforcing a cast-in-place stand board of a venue and a construction method thereof, the device comprises a panel component and a keel bracket, the keel bracket is arranged at the lower side of the panel component, a supporting underframe is arranged at the lower side of the keel bracket, a disc buckle type supporting system is used, turnover materials are saved, the stability, economy and reasonability of a stand board template are ensured, an adjustable H-shaped bracket component is used, the template supporting difficulty is reduced, the bracket can be reused, an upper wall-penetrating bolt sequentially penetrates through a front upper main keel, a front upper vertical formwork panel, the upper part of a seat board and a rear vertical formwork panel, the lower part of steel pipe main joist, preceding lower formwork panel, seat board and back main joist and fastening, lower part wear wall bolt run through preceding lower main joist, preceding lower formwork panel, seat board's downside back formwork panel and back main joist and fastening in proper order, reduce and consolidate the difficulty, improve the construction speed.)

1. The utility model provides a device for cast-in-place stand board of venue is consolidated, its characterized in that, includes panel components (25) and fossil fragments support (26), the upside of panel components (25) is provided with seat board (1) and seat back of the body and stands roof beam (2), panel components (25) include last die block panel (3), preceding upright die panel (4), preceding lower upright die panel (5), lower die panel (6) and back upright die panel (7), go up die panel (3) and install the downside at seat board (1), preceding upright die panel (4) of going up is installed in the upper portion one side of seat back of the body founding roof beam (2), preceding lower upright die panel (5) is installed in the lower part one side of seat back of the body founding roof beam (2), lower die panel (6) is installed in the downside of seat back of the body founding roof beam (2), back upright die panel (7) is installed in the opposite side of seat back of the body founding roof beam (2), a keel support (26) is installed on the lower side of the panel assembly (25), and a supporting bottom frame (24) is arranged on the lower side of the keel support (26).

2. The device for reinforcing the cast-in-place stand board of the stadium according to claim 1, wherein the keel support (26) comprises a front upper main keel (9), the front upper main keel (9) is arranged on one side of the front upper formwork panel (4), a front lower main keel (10) is arranged on one side of the front lower formwork panel (5), a support keel (22) is arranged on the lower side of the lower formwork panel (6), a rear main keel (11) is arranged on one side of the rear formwork panel (7), the front lower main keel (10) and the rear main keel (11) are both arranged on the support keel (22), steel pipe main keels (12) are both arranged on the upper sides of the front lower main keel (10) and the rear main keel (11), the steel pipe main keel (12) is provided with a plurality of steel pipe main keels (12), and an H-shaped support assembly (15) is both arranged on the lower sides of the steel pipe main keels (12), the lower side of the H-shaped bracket component (15) is arranged at the upper part of one side of the support keel (22).

3. The device for reinforcing the cast-in-place stand board of the venue as claimed in claim 2, wherein the H-shaped bracket assembly (15) comprises longitudinal battens (16), vertical battens (17), hanging plates (18) and movable steel plates (19), the longitudinal battens (16) are arranged on the lower side of the steel pipe main keel (12) and the upper side of the supporting keel (22), the hanging plates (18) are arranged on both sides of the longitudinal battens (16), the vertical battens (17) are arranged on both sides of a pair of the hanging plates (18), the hanging plates (18) and the vertical battens (17) are connected through fastening bolts (20), the upper side of the vertical battens (17) is arranged on the lower side of the steel pipe main keel (12), the lower side of the vertical battens (17) is arranged on the upper side of the supporting keel (22), and fastening threaded grooves (21) are arranged on two opposite side surfaces of the pair of the hanging plates (18), a movable steel plate (19) is arranged between the pair of hanging plates (18), and the pair of movable steel plates (19) are arranged on the hanging plates (18) through fastening bolts (20).

4. The device for reinforcing the cast-in-place stand board of the stadium according to claim 2, wherein upper wall penetrating bolts (13) penetrate through the steel pipe main keels (12), the upper wall penetrating bolts (13) penetrate through the front upper main keel (9), the front upper formwork panel (4), the rear formwork panel (7), the steel pipe main keel (12), the front lower main keel (10), the front lower formwork panel (5) and the rear main keel (11) in sequence and are fastened, lower wall penetrating bolts (14) penetrate through the lower side of the seat board (1), and the lower wall penetrating bolts (14) penetrate through the front lower main keel (10), the front lower formwork panel (5), the rear formwork panel (7) and the rear main keel (11) in sequence and are fastened.

5. The device for reinforcing the cast-in-place stand board of the stadium according to claim 2, wherein hanging formwork secondary keels (8) are arranged between the front upper main keel (9) and the front upper formwork erecting panel (4), between the front lower main keel (10) and the front lower formwork erecting panel (5), between the lower formwork erecting panel (6) and the supporting keel (22), between the rear main keel (11) and the rear formwork erecting panel (7) and between the steel pipe main keel (12) and the upper formwork erecting panel (3), the hanging formwork secondary keels (8) are provided with a plurality of hanging formwork secondary keels which are uniformly arranged at equal intervals, and the supporting keel (22) and the supporting underframe (24) are connected through an adjustable supporting brace (23).

6. A construction method of a device for reinforcing a cast-in-place stand board of a venue is characterized by comprising the following specific steps:

the method comprises the following steps: erecting a supporting underframe (24) according to the size of a stand, erecting a keel support (26) at the top of the supporting underframe (24), simultaneously using a disc buckle type connector to connect a steel pipe and each keel, adjusting an adjustable support (23) to a designed height, mounting a suspended formwork secondary keel (8) on the keel support (26), mounting a formwork assembly (25) through the suspended formwork secondary keel (8), manufacturing a mould for viewing a bedplate by using a panel assembly (25), and then laying reinforcing steel bars in the mould manufactured by the panel assemblies (25);

step two: two wall-penetrating bolts are arranged on a template of each step at intervals, the upper wall-penetrating bolts (13) sequentially penetrate through the front upper main keel (9), the front upper formwork panel (4), the upper part of the seat plate (1), the rear formwork panel (7), the steel pipe main keel (12), the front lower main keel (10), the front lower formwork panel (5), the lower part of the seat plate (1) and the rear main keel (11) and are fastened, and the lower wall-penetrating bolts (14) sequentially penetrate through the front lower main keel (10), the front lower formwork panel (5), the lower side rear formwork panel (7) of the seat plate (1) and the rear main keel (11) and are fastened;

step three: pouring concrete into the mould, wherein the pouring sequence is that the concrete is poured from the seat plate (1) at the lower layer to the seat plate (1) at the upper layer, leveling and pressing the seat plate (1) and the seat back upright beam (2) within one hour to two hours after the concrete is poured, then maintaining the poured seat plate (1) and the seat back upright beam (2), and finally sequentially disassembling each panel of the panel assembly (25), each keel of the keel bracket (26) and each bracket of the supporting underframe (24).

Technical Field

The invention relates to the technical field of building construction, in particular to a device for reinforcing a cast-in-place stand board of a venue and a construction method thereof.

Background

In the building construction of the stand plate in a large stadium, the stand plate is prefabricated and cast-in-place, wherein the prefabricated concrete stand is high in manufacturing cost, difficult to hoist and construct and poor in integrity.

The cast-in-place stand is characterized by strong integrity and low cost, but the construction of the cast-in-place stand template is complex and long in period, which is mainly caused by the fact that the space at the lower part of the seat plate is narrow and difficult to reinforce, the height difference of the seat plate is different, the template is complicated to support and the lower hanging part of the seat back vertical beam is difficult to arrange, and the construction is complicated.

Disclosure of Invention

The invention aims to solve the problems and the defects, and provides a device for reinforcing a cast-in-place stand board of a venue, so that the overall working efficiency is improved.

The purpose of the invention can be realized by the following technical scheme: a device for reinforcing a cast-in-place stand board of a venue comprises a seat board and a seat back vertical beam, wherein the seat board and the seat back vertical beam are provided with a plurality of seat boards which are in one-to-one correspondence, the seat boards and the seat back vertical beam are mutually connected in a ladder shape, the seat boards and the seat back vertical beam are mutually vertical, one end of each seat board is fixedly connected to the middle part of one seat back vertical beam, the other end of each seat board is fixedly connected to the upper end of the other seat back vertical beam, the device for reinforcing the cast-in-place stand board of the venue comprises a panel assembly and a keel bracket, the panel assembly comprises an upper bottom die panel, a front upper vertical die panel, a front lower vertical die panel, a lower bottom die panel and a rear vertical die panel, an upper bottom die panel is mounted on the lower side of the seat board, a front upper vertical die panel is mounted on one side of the upper part of the seat back vertical beam, a front lower vertical die panel is mounted on one side of the lower part of the seat back vertical beam, a lower bottom die panel is mounted on the lower side of the seat back vertical beam, the back founds the mould panel after the opposite side of seat back founds the roof beam is installed, and the fossil fragments support is installed to the downside of panel components, and the downside of fossil fragments support is provided with the support chassis.

As a further proposal of the invention, the keel bracket comprises a front upper main keel, a front lower main keel, a rear main keel, a steel pipe main keel and a supporting keel, wherein one side of the front upper formwork panel is provided with the front upper main keel, one side of the front lower formwork panel is provided with the front lower main keel, the lower side of the lower formwork panel is provided with the supporting keel, one side of the rear formwork panel is provided with the rear main keel, the front lower main keel and the rear main keel are both arranged on the supporting keel, the upper sides of the front lower main keel and the rear main keel are both provided with the steel pipe main keel, the front upper main keel, the front lower main keel, the rear main keel, the steel pipe main keel and the supporting keel are all provided with a plurality of the front upper main keels, the front lower main keels, the rear main keels, the steel pipe main keels and the supporting keels are all uniformly distributed at equal intervals, the lower sides of the steel pipe main keels are all provided with H-shaped bracket components, the lower side of the H-shaped bracket component is arranged at the upper part of one side of the supporting keel.

As a further scheme of the invention, the H-shaped support component comprises longitudinal battens, vertical battens, hanging plates and movable steel plates, wherein the lower side of the steel pipe main keel and the upper side of the supporting keel are respectively provided with the longitudinal battens, the pair of longitudinal battens are symmetrical up and down, the hanging plates are respectively arranged on two sides of the longitudinal battens, the vertical battens are respectively arranged on two sides of the pair of hanging plates, the hanging plates are connected with the vertical battens through fastening bolts, the upper sides of the vertical battens are fixedly connected with the lower side of the steel pipe main keel, the lower sides of the vertical battens are fixedly connected with the upper side of the supporting keel, two opposite side surfaces of the pair of hanging plates are respectively provided with fastening thread grooves, the fastening thread grooves are provided with a plurality of rows, the fastening thread grooves are uniformly distributed at equal intervals in pairs, the movable steel plates are arranged between the pair of hanging plates, the pair of movable steel plates are respectively connected with the hanging plates in a sliding manner, the pair of movable steel plates are arranged on the hanging plates through the fastening bolts, and the movable steel plate is vertically symmetrical, the upper side of the movable steel plate positioned on the upper side and the lower side of the movable steel plate positioned on the lower side are both provided with longitudinal battens, the upper side of the longitudinal battens positioned on the upper side is arranged on the lower side of the steel pipe main keel, and the lower side of the longitudinal battens positioned on the lower side is arranged on the upper side of the supporting keel.

As a further scheme of the invention, an upper wall-penetrating bolt penetrates through the steel pipe main keel, the upper wall-penetrating bolt sequentially penetrates through the front upper main keel, the front upper formwork panel, the upper part of the seat plate, the rear formwork panel, the steel pipe main keel, the front lower formwork panel, the lower part of the seat plate and the rear main keel and is fastened, a lower wall-penetrating bolt penetrates through the lower side of the seat plate, and the lower wall-penetrating bolt sequentially penetrates through the front lower main keel, the front lower formwork panel, the lower rear formwork panel of the seat plate and the rear main keel and is fastened.

As a further scheme of the invention, a plurality of suspended formwork secondary keels are arranged between the front upper main keel and the front upper vertical formwork panel, between the front lower main keel and the front lower vertical formwork panel, between the lower bottom formwork panel and the supporting keel, between the rear main keel and the rear vertical formwork panel and between the steel pipe main keel and the upper bottom formwork panel, and are uniformly arranged at equal intervals, and the supporting keel and the supporting underframe are connected through adjustable supporting struts.

A construction method of a device for reinforcing a cast-in-place stand board of a venue comprises the following specific steps:

the method comprises the following steps: erecting a support underframe according to the size of a stand, erecting a keel support at the top of the support underframe, connecting the steel pipe and each keel by using a disc buckle type connector during erection, and adjusting an adjustable support to a designed height;

step two: erecting an H-shaped support assembly, namely paving longitudinal battens on a support keel, sequentially erecting vertical battens, a hanging plate and a movable steel plate, and paving longitudinal battens on the movable steel plate, so as to finish erecting the H-shaped support assembly;

step three: a formwork is supported, a formwork hanging sub keel is arranged on the keel support, and the formwork hanging sub keel is used for installing the formwork assembly, so that a plurality of panel assemblies are used for manufacturing a mould for the table board;

step four: arranging reinforcing steel bars in a die made of a plurality of panel assemblies to form a reinforcing steel bar framework;

step five: reinforcing the template, arranging two wall-penetrating bolts on the template of each step at intervals, wherein the upper wall-penetrating bolts sequentially penetrate through the front upper main keel, the front upper vertical formwork panel, the upper part of the seat plate, the rear vertical formwork panel, the steel pipe main keel, the front lower vertical formwork panel, the lower part of the seat plate and the rear main keel and are fastened, and the lower wall-penetrating bolts sequentially penetrate through the front lower main keel, the front lower vertical formwork panel, the lower side rear vertical formwork panel of the seat plate and the rear main keel and are fastened;

step six: pouring concrete into the mould, wherein the pouring sequence is that the concrete is poured from the seat plate at the lower layer to the seat plate at the upper layer;

step seven: leveling and pressing the seat plate and the seat back vertical beam within one hour to two hours after the concrete is poured;

step eight: maintaining, namely maintaining the poured seat plate and the seat back vertical beam, and fully reacting the concrete in the seat plate and the seat back vertical beam by covering and wrapping the concrete maintenance film, so as to improve the bearing capacity of the seat plate and the seat back vertical beam;

step nine: and removing the formwork, namely sequentially removing each panel of the panel assembly, each keel of the keel support and each support of the supporting underframe.

The invention has the beneficial effects that:

1. keel system for supporting the formwork panel: because the elevation of the stand changes a lot, a large amount of steel pipes need to be processed, the construction period is short, and the plate buckling type supporting system is used, so that the construction speed can be improved, the turnover materials are saved, and the stability, economy and reasonability of the stand plate template are ensured.

2. Adjustable H-shaped bracket assembly: because the height difference of the seat plate is different, the formwork is erected complicatedly, the adjustable H-shaped bracket component is used, the upper movable steel plate and the lower movable steel plate are adjusted to adapt to the seat plates with different height differences, the formwork erecting difficulty can be reduced, the construction speed is improved, and the bracket can be reused.

3. Reinforcing the template: because seat board lower part space is narrow and small, consolidate the difficulty, the upper portion is worn the wall bolt and is run through preceding main joist in proper order, preceding upright mould panel, the upper portion of seat board, back upright mould panel, steel pipe main joist, preceding lower upright mould panel, the lower part and the back main joist of seat board and fasten, the lower part is worn the wall bolt and is run through preceding lower main joist in proper order, preceding lower upright mould panel, stand behind the downside of seat board behind mould panel and the back main joist and fasten, adopt this kind of reinforcement mode can reduce and consolidate the difficulty, improve construction speed.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a cast-in-place stand template of the present invention;

FIG. 2 is an enlarged view of a portion of circle A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 2;

FIG. 4 is a schematic structural view of an H-shaped stent assembly of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 4;

fig. 6 is a schematic cross-sectional view taken along line D-D in fig. 5.

In the figure: 1. a seat plate; 2. a seat back vertical beam; 3. an upper bottom die panel; 4. front upper vertical mould panel; 5. a front lower formwork panel; 6. a lower bottom die panel; 7. a rear formwork panel; 8. hanging a secondary keel of the mould; 9. front upper main keel; 10. a front lower main keel; 11. a rear main keel; 12. a steel pipe main keel; 13. an upper wall bolt; 14. a lower wall bolt; 15. an H-shaped bracket assembly; 16. longitudinal battens; 17. vertical battens; 18. a hanging plate; 19. a movable steel plate; 20. fastening a bolt; 21. fastening thread grooves; 22. a support keel; 23. an adjustable support; 24. a support chassis; 25. a panel assembly; 26. a keel bracket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-6: a device for reinforcing a cast-in-place stand board of a venue comprises a seat board 1 and a seat back vertical beam 2, wherein the seat board 1 and the seat back vertical beam 2 are provided with a plurality of seat boards 1 and are in one-to-one correspondence, the seat boards 1 and the seat back vertical beam 2 are mutually connected in a ladder shape, the seat boards 1 and the seat back vertical beam 2 are mutually vertical, one end of each seat board 1 is fixedly connected to the middle part of one seat back vertical beam 2, the other end of each seat board 1 is fixedly connected to the upper end of the other seat back vertical beam 2, the device for reinforcing the cast-in-place stand board of the venue comprises a panel component 25 and a keel bracket 26, the panel component 25 comprises an upper bottom die panel 3, a front upper vertical die panel 4, a front lower vertical die panel 5, a lower bottom die panel 6 and a rear vertical die panel 7, the lower side of the seat board 1 is provided with the upper bottom die panel 3, one side of the upper part of the seat back vertical beam 2 is provided with the front upper vertical die panel 4, one side of the lower part of the seat back vertical beam 2 is provided with the front lower die panel 5, lower die block panel 6 is installed to the downside of seat back upright beam 2, and back upright panel 7 is installed to the opposite side of seat back upright beam 2, and fossil fragments support 26 is installed to the downside of panel components 25, and fossil fragments support 26's downside is provided with support chassis 24.

The keel support 26 comprises a front upper main keel 9, a front lower main keel 10, a rear main keel 11, a steel pipe main keel 12 and a support keel 22, one side of the front upper formwork panel 4 is provided with the front upper main keel 9, one side of the front lower formwork panel 5 is provided with the front lower main keel 10, the lower side of the lower formwork panel 6 is provided with the support keel 22, one side of the rear formwork panel 7 is provided with the rear main keel 11, the front lower main keel 10 and the rear main keel 11 are both arranged on the support keel 22, the steel pipe main keel 12 is respectively arranged on the upper side of the front lower main keel 10 and the upper side of the rear main keel 11, the front upper main keel 9, the front lower main keel 10, the rear main keel 11, the steel pipe main keel 12 and the support keel 22 are all provided with a plurality of front upper main keels 9, a plurality of front lower main keels 10, a plurality of rear main keels 11, a plurality of steel pipe main keels 12 and a plurality of support keels 22 which are all, the lower sides of a plurality of steel pipe main keels 12 are all provided with an H-shaped bracket assembly 15, and the lower sides of the H-shaped bracket assemblies 15 are arranged on the upper part of one side of a supporting keel 22.

The H-shaped bracket component 15 comprises longitudinal battens 16, vertical battens 17, hanging plates 18 and movable steel plates 19, wherein the longitudinal battens 16 are arranged on the lower side of the steel pipe main keel 12 and the upper side of a supporting keel 22, the pair of longitudinal battens 16 are symmetrical up and down, the hanging plates 18 are arranged on the two sides of the longitudinal battens 16, the vertical battens 17 are arranged on the two sides of the pair of hanging plates 18, the hanging plates 18 are connected with the vertical battens 17 through fastening bolts 20, the upper sides of the vertical battens 17 are fixedly connected to the lower side of the steel pipe main keel 12, the lower sides of the vertical battens 17 are fixedly connected to the upper side of the supporting keel 22, fastening thread grooves 21 are arranged on the two opposite side surfaces of the pair of hanging plates 18, a plurality of rows of fastening thread grooves 21 are arranged, the plurality of rows of fastening thread grooves 21 are uniformly distributed at equal intervals in pairs, the movable steel plates 19 are arranged between the pair of hanging plates 18, and the pair of movable steel plates 19 are slidably connected with the hanging plates 18, the pair of movable steel plates 19 are mounted on the hitch plate 18 through fastening bolts 20, the movable steel plates 19 are vertically symmetrical, longitudinal battens 16 are mounted on the upper sides of the movable steel plates 19 on the upper sides and the lower sides of the movable steel plates 19 on the lower sides, the upper sides of the longitudinal battens 16 on the upper sides are mounted on the lower sides of the steel pipe main keels 12, and the lower sides of the longitudinal battens 16 on the lower sides are mounted on the upper sides of the support keels 22.

An upper wall penetrating bolt 13 penetrates through the steel pipe main keel 12, the upper wall penetrating bolt 13 penetrates through the front upper main keel 9, the front upper formwork erecting panel 4, the upper part of the seat plate 1, the rear formwork erecting panel 7, the steel pipe main keel 12, the front lower main keel 10, the front lower formwork erecting panel 5, the lower part of the seat plate 1 and the rear main keel 11 in sequence and is fastened, a lower wall penetrating bolt 14 penetrates through the lower side of the seat plate 1, and the lower wall penetrating bolt 14 penetrates through the front lower main keel 10, the front lower formwork erecting panel 5, the lower side rear formwork erecting panel 7 of the seat plate 1 and the rear main keel 11 in sequence and is fastened.

Preceding main joist 9 and preceding upper formwork panel 4 between, preceding lower main joist 10 and preceding lower formwork panel 5 between, lower bed die panel 6 and support fossil fragments 22 between, back main joist 11 and back formwork panel 7 between and steel pipe main joist 12 and last die block panel 3 between all be provided with and hang mould secondary joist 8, hang mould secondary joist 8 and be provided with a plurality of and be equidistant even setting, support fossil fragments 22 and support 24 between prop 23 and be connected through adjustable support.

A construction method of a device for reinforcing a cast-in-place stand board of a venue comprises the following specific steps:

the method comprises the following steps: erecting a support underframe 24 according to the size of a stand, erecting a keel support 26 at the top of the support underframe 24, connecting the steel pipes and each keel by using a disc buckle type connector at the same time of erecting, and adjusting an adjustable support 23 to a designed height;

step two: erecting an H-shaped bracket assembly 15, namely firstly laying longitudinal battens 16 on a support keel 22, then sequentially erecting vertical battens 17, a hanging plate 18 and a movable steel plate 19, and laying longitudinal battens 16 on the movable steel plate 19, so as to finish erecting the H-shaped bracket assembly 15;

step three: a step of formwork support, in which a formwork hanging sub-keel 8 is installed on a keel bracket 26, and the formwork hanging sub-keel 8 is used for installing the formwork assembly 25, so that a plurality of panel assemblies 25 are used for manufacturing a mould for the bedplate;

step four: arranging steel bars in a mold made of a plurality of panel assemblies 25 to form a steel bar framework;

step five: reinforcing the template, arranging two wall-penetrating bolts on the template of each step at intervals, wherein the upper wall-penetrating bolt 13 sequentially penetrates through and is fastened to the front upper main keel 9, the front upper formwork panel 4, the upper part of the seat plate 1, the rear formwork panel 7, the steel pipe main keel 12, the front lower main keel 10, the front lower formwork panel 5, the lower part of the seat plate 1 and the rear main keel 11, and the lower wall-penetrating bolt 14 sequentially penetrates through and is fastened to the front lower main keel 10, the front lower formwork panel 5, the lower rear formwork panel 7 of the seat plate 1 and the rear main keel 11;

step six: pouring concrete into the mould, wherein the pouring sequence is that the concrete is poured from the seat plate 1 at the lower layer to the seat plate 1 at the upper layer;

step seven: leveling and pressing the seat plate 1 and the seat back vertical beam 2 within one hour to two hours after the concrete is poured;

step eight: curing, namely curing the poured seat plate 1 and the seat back vertical beam 2, and fully reacting the concrete in the seat plate 1 and the seat back vertical beam 2 by covering and wrapping the concrete curing film, so as to improve the bearing capacity of the seat plate 1 and the seat back vertical beam 2;

step nine: the panels of the panel assembly 25, the keels of the keel support 26 and the supports of the support chassis 24 are removed in sequence.

When the invention is used, firstly, a supporting underframe 24 is erected according to the size of a stand, a keel bracket 26 is erected at the top of the supporting underframe 24, a steel pipe and each keel are connected by using a coil buckle type connector at the same time of erection, an adjustable supporting support 23 is adjusted to a designed height, then an H-shaped bracket assembly 15 is erected, firstly, a longitudinal batten 16 is laid on a supporting keel 22, then a vertical batten 17, a hanging plate 18 and a movable steel plate 19 are sequentially erected, the longitudinal batten 16 is laid on the movable steel plate 19, then, a hanging formwork 8 is arranged on the keel bracket 26, then, the formwork assembly 25 is arranged by the hanging formwork 8, thus a mould for the stand board is manufactured by a plurality of the formwork assemblies 25, then, steel bars are laid in the mould manufactured by a plurality of the formwork assemblies 25 to form a steel bar framework, and two wall penetrating bolts are arranged on the formwork of each step at intervals, the upper wall-penetrating bolts 13 sequentially penetrate through the front upper main keel 9, the front upper vertical formwork panel 4, the upper part of the seat plate 1, the rear vertical formwork panel 7, the steel pipe main keel 12, the front lower main keel 10, the front lower vertical formwork panel 5, the lower part of the seat plate 1 and the rear main keel 11 and are fastened, the lower wall-penetrating bolts 14 sequentially penetrate through the front lower main keel 10, the front lower vertical formwork panel 5, the lower rear vertical formwork panel 7 of the seat plate 1 and the rear main keel 11 and are fastened, then concrete is poured into the mould, the pouring sequence is that the seat plate 1 at the lower layer is poured towards the seat plate 1 at the upper layer, then the leveling and the surface pressing are started to the seat plate 1 and the seat back vertical beam 2 within one hour to two hours after the concrete is poured, and the poured seat plate 1 and the seat back vertical beam 2 are maintained at constant temperature by low-pressure steam, and after the concrete is solidified, all the panels of the panel assembly 25, all the keels of the keel bracket 26 and all the brackets of the supporting underframe 24 are sequentially disassembled.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.