Adjustable shear wall steel-wood formwork structure suitable for attached lifting scaffold

By designing an adjustable shear wall steel and wood formwork structure suitable for attached lift scaffolding, combined with steel and wood keel and square steel pipe main line, the conflict between attached lift scaffolding and formwork in high-rise buildings is solved, and efficient and safe construction results are achieved.

CN222759386UActive Publication Date: 2025-04-15SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING (GROUP) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420766335.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-04-15
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

In the second type of high-rise buildings, the cost is higher when using attached lift scaffolding with aluminum formwork; while the use of wooden formwork results in excessive thickness of the support system, affecting the improvement efficiency, and there are great safety risks when disassembling and assembling the formwork.

Method used

An adjustable shear wall steel and wood formwork structure suitable for adhesion lifting scaffolding is designed. This structure realizes the advantages of wood formwork and aluminum alloy formwork through the combination of steel and wood keel and square steel pipe main lineage, forming an adjustable formwork unit, and ensuring the stability and safety of the structure through pulling bolts, support units and positioning units.

Benefits of technology

This structure effectively solves the conflict between the attached lifting scaffolding and formwork in high-rise buildings, reduces the high cost of using all-aluminum formwork, reduces wood consumption, improves construction efficiency and safety, and avoids safety risks when materials are stacked.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222759386U_ABST
    Figure CN222759386U_ABST
Patent Text Reader

Abstract

The utility model discloses an adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold. The adjustable shear wall steel-wood formwork structure comprises a formwork unit, a bearing unit and a positioning unit. Each formwork unit comprises a detachable plate, a steel-wood keel secondary ridge, a square steel tube main ridge and a split bolt, and each bearing unit comprises an outer baffle and a bearing plate; the positioning unit comprises a three-section type water stop screw. The steel-wood formwork has the advantages that the advantages of a wood formwork and an aluminum alloy formwork are combined through the steel-wood keel secondary ridges and the square steel pipe main ridges, the problem that a second-class high-rise building conflicts with the formwork when using an attached type lifting scaffold is effectively solved, combined application of the attached type lifting scaffold and a steel-wood formwork system is achieved, construction quality is good, and construction efficiency is high. The construction efficiency is obvious.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to an adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold. Background Art

[0002] Attached lifting scaffolding has good technical performance, safety and reliability, professional design, modular production and other characteristics, so it is becoming more and more popular in high-rise buildings and is widely used. At present, most attached lifting scaffolding are used with aluminum formwork, but for the second type of high-rise buildings with a floor height of 17-25 floors, the use of aluminum formwork often increases the average cost, and the use of wooden formwork system, the thickness of the support system is too large, there is a problem of affecting the lifting of the attached scaffolding. At the same time, the formwork system is generally placed on the attached lifting scaffolding during disassembly and assembly, which poses a greater safety risk. Utility Model Content

[0003] The purpose of the utility model is to provide an adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold based on the above-mentioned deficiencies of the prior art, aiming to provide a formwork form combined with a wooden integral formwork of an attached scaffold, which can better solve the above-mentioned problems.

[0004] The purpose of this utility model is achieved by the following technical solutions:

[0005] An adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold is connected to the outside of an external cast-in-place wall of a building, wherein the steel-wood formwork structure comprises a plurality of mutually spliced ​​formwork units, a supporting unit for supporting the formwork units, and a positioning unit for supporting and positioning the formwork units;

[0006] The template unit comprises:

[0007] Removable plate,

[0008] At least one steel-wood keel secondary rib vertically arranged on the surface of the removable plate;

[0009] At least one square steel tube main rib is transversely arranged outside the steel-wood keel secondary rib; and

[0010] At least one tension bolt used to fix the removable plate, the steel-wood keel secondary ribs and the square steel tube main ribs to the external cast-in-place wall, the tension bolt passing through the external cast-in-place wall, the removable plate and the square steel tube main ribs;

[0011] The plurality of template units are spliced ​​together through the corresponding steel-wood keel secondary ribs and the square steel tube main ribs;

[0012] The horizontally adjacent removable panels are connected to the wood beams at the vertical joints;

[0013] The supporting unit comprises:

[0014] An outer baffle plate vertically arranged on the outside of the square steel tube main rib and connected to the steel-wood keel secondary rib; and

[0015] A supporting plate connecting the steel-wood keel secondary ribs and the outer baffle and located below the square steel tube main ribs for supporting the square steel tube main ribs in a disassembled state;

[0016] The positioning unit comprises a three-section water-stopping screw which is arranged in the external cast-in-place wall and is located below the formwork unit.

[0017] Optionally, the number of the main ribs of the square steel tube is plural, and the main ribs of the plural square steel tubes are evenly arranged in the height direction of the detachable plate.

[0018] Optionally, the main ribs of the square steel tube include:

[0019] Two main rib connecting sections arranged in parallel and connected together by welding;

[0020] An adjustable connection block movably arranged at any end of each main rib connection section;

[0021] The main ribs of the square steel tubes adjacent to each other on the left and right are matched and installed through the adjustable connecting blocks.

[0022] Optionally, the main rib connecting section and the adjustable connecting block are respectively provided with adjustment grooves at corresponding positions, and locking bolts are provided in the adjustment grooves.

[0023] Optionally, the number of the steel-wood keel secondary ribs is plural, and the plural steel-wood keel secondary ribs are evenly arranged in the length direction of the detachable plate.

[0024] Optionally, the steel-wood keel secondary ribs include secondary rib connecting sections, the upper and lower ends of which are respectively provided with notches and protruding wooden beams matching the size of the notches, and the upper and lower adjacent steel-wood keel secondary ribs are fitted together through the notches and the protruding wooden beams.

[0025] Optionally, the tension bolt passes through the gap formed between the two main rib connecting sections, and is respectively connected to a steel gasket having a width greater than the gap at one end exposed from the gap and at another end exposed from the external cast-in-place wall, and nuts are respectively arranged at both ends of the tension bolt on the outside of the steel gasket.

[0026] Optionally, the outer baffle plate is evenly provided with a plurality of pads in the vertical direction, the secondary rib connection section is provided with a pad installation groove whose position corresponds to the pad, and the outer baffle plate and the secondary rib connection section are matched and installed with each other through the pad and the pad installation groove.

[0027] Optionally, the number of the supporting plates corresponds to the number of the main ribs of the square steel tubes, and supporting grooves are provided to accommodate the main ribs of the square steel tubes.

[0028] Optionally, a longitudinally or transversely arranged reinforcing back rib is provided on the inner side of the external cast-in-place wall, and the tension bolts fix the reinforcing back rib to the external cast-in-place wall.

[0029] The advantages of the utility model are: the steel-wood formwork structure combines the advantages of wood formwork and aluminum alloy formwork through the steel-wood keel secondary ribs and the square steel tube main ribs, effectively solving the problem of conflict between the second type of high-rise buildings and the formwork when using the attached lifting scaffold, realizing the combined use of the attached lifting scaffold and the steel-wood formwork system, with good construction quality and significant construction efficiency. It effectively reduces the high cost of using all-aluminum formworks and reduces wood consumption. Compared with traditional wood formworks, it has a higher turnover capacity, fast mold matching, and short template installation time, which greatly improves construction efficiency, reduces vertical transportation pressure, and avoids the safety risks caused by large-scale stacking of materials on attached lifting scaffolds. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the adjustable shear wall steel-wood formwork system of the utility model;

[0031] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0032] Figure 3 It is a position relationship diagram of the attached lifting scaffold and the steel-wood formwork structure of the utility model;

[0033] Figure 4 for Figure 3 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0034] The marks in the figure are: 1. Floor slab, 2. External cast-in-place wall, 4. Steel-wood keel secondary rib, 5. Pad, 6. Wooden beam secondary rib, 7. Support plate, 8. External baffle, 9. Square steel pipe main rib, 10. Tension bolt, 11. Three-section water-stop screw, 12. Removable plate, 13. Main rib connection section, 14. Adjustable connection block, 15. Secondary rib connection section, 16. Steel gasket, 17. Locking bolt, 18. Attached lifting scaffolding, 19. Guide rail, 21. Reinforced back rib, 71. Support groove, 131. Adjustment groove, 151. Notch, 152. Protruding wooden beam, 153. Pad installation groove, 161. Nut.

[0035] Example: See Figure 1 and Figure 2 As shown, an embodiment of an adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold is shown, which is connected to the outside of the external cast-in-place wall of a building, wherein the steel-wood formwork structure includes a plurality of mutually spliced ​​formwork units, a supporting unit for supporting the formwork unit, and a positioning unit for supporting and positioning the formwork unit; the formwork unit includes a detachable plate 12, at least one steel-wood keel secondary rib 4 vertically arranged on the surface of the detachable plate 12; at least one square steel tube main rib 9 horizontally arranged on the outside of the steel-wood keel secondary rib 4; and at least one tensioning member for fixing the detachable plate 12, the steel-wood keel secondary rib 4 and the square steel tube main rib 9 to the external cast-in-place wall 2. Bolts 10, the tension bolts 10 pass through the external cast-in-place wall 2, the removable plate 12 and the square steel tube main rib 9; multiple template units are spliced ​​through the corresponding steel-wood keel secondary ribs 4 and the square steel tube main ribs 9; the horizontally adjacent removable plates 12 are connected to the wooden beam secondary ribs 6 at the vertical joints; the supporting unit includes an outer baffle plate 8 vertically arranged on the outside of the square steel tube main rib 9 and connected to the steel-wood keel secondary rib 4; and a supporting plate 7 connecting the steel-wood keel secondary rib 4 and the outer baffle plate 8 and located below the square steel tube main rib 9 for supporting the square steel tube main rib 9 in a disassembled state; the positioning unit includes a three-section water-stop screw 11 arranged in the external cast-in-place wall 2 and located below the template unit.

[0036] In this embodiment, Figure 2 As shown, the number of the square steel tube main ribs 9 is plural, and the plural square steel tube main ribs 9 are evenly arranged in the height direction of the detachable plate 12. The square steel tube main ribs 9 include two parallel main rib connection sections 13 connected by welding; adjustable connection blocks 14 are movably arranged at either end of each main rib connection section 13; and the left and right adjacent square steel tube main ribs 9 are matched and installed through the adjustable connection blocks 14.

[0037] In this embodiment, the main rib connecting section 13 and the adjustable connecting block 14 are respectively provided with adjusting grooves 131 at corresponding positions, and locking bolts 17 are arranged in the adjusting grooves 13 .

[0038] In this embodiment, continue to refer to Figure 2 As shown, the number of steel-wood keel secondary ribs 4 is plural, and the plural steel-wood keel secondary ribs 4 are evenly arranged in the length direction of the detachable plate 12. The steel-wood keel secondary ribs 4 include secondary rib connection joints 15, and the upper and lower ends of the secondary rib connection joints 15 are respectively provided with notches 151 and protruding wood beams 152 matching the size of the notches 151, and the upper and lower adjacent steel-wood keel secondary ribs 4 are matched and installed through the notches 151 and the protruding wood beams 152.

[0039] In this embodiment, the tension bolt 10 passes through the gap 132 formed between the two main rib connecting sections 13, and is respectively connected to a steel gasket 16 having a width greater than the gap 132 at one end exposed to the gap 132 and at one end exposed to the external cast-in-place wall 2, and nuts 161 are respectively provided on the outer sides of the steel gasket 16 at both ends of the tension bolt 10.

[0040] In this embodiment, the outer baffle plate 8 is evenly provided with multiple pads 5 in the vertical direction, and the secondary rib connecting section 15 is provided with a pad installation groove 153 whose position corresponds to the pad 5. The outer baffle plate 8 and the secondary rib connecting section 15 are matched and installed with each other through the pad 5 and the pad installation groove 153.

[0041] In this embodiment, Figure 4 As shown, the number of the supporting plates 7 corresponds to the number of the square steel tube main ribs 9, and a supporting groove 71 is provided to accommodate the square steel tube main ribs 9. The inner side of the external cast-in-place wall 2 is provided with a longitudinally or transversely arranged reinforcing back rib 21, and the tension bolts 10 fix the reinforcing back rib 21 to the external cast-in-place wall 2.

[0042] The characteristics and functions of the present invention can be further understood through the following description.

[0043] like Figure 1-4 As shown, this embodiment proposes an adjustable shear wall steel-wood formwork system structure suitable for an attached lifting scaffold: it includes a formwork, a reinforcement keel and a supporting frame.

[0044] The formwork is made of multiple high-quality wooden plywood (i.e., removable panels 12); multiple wooden plywood panels 3 are connected at the vertical joints by wooden secondary ribs 6; the removable panels are arranged on the upper part of the integral formwork, and the specific position of the removable panels 12 is determined according to the position of the attached lifting scaffolding machine, while ensuring that the removable panels 12 must pass through at least one tension bolt 10; the reinforcement keel of the removable panels 12 is set separately, and a protruding wooden rib 152 is left at the lower part of the secondary rib connection section 15, and a notch 151 is left at the secondary rib connection section 15 corresponding to the integral formwork to ensure that docking can be completed; the main rib connection section 13 is connected to the main rib connection section 13 in the integral formwork on both sides through an adjustable connection block 14, and the adjustable connection block 14 can freely adjust the extension length within a certain range, and is fixed by the locking bolt 17 after the adjustment is completed.

[0045] The outer side of the formwork is reinforced with a keel, which includes a number of vertically arranged steel-wood keel secondary ribs 4, wooden beam secondary ribs 6 and a number of horizontally arranged square steel tube main ribs 9; the specification of the wooden beam secondary ribs 6 is 80mm×40mm, and it is placed at the vertical joints of the plywood; the specification of the steel-wood keel secondary ribs 4 is 60mm×40mm, and the arrangement spacing is determined by calculation; the square steel tube main ribs 9 are composed of two 30mm×40mm square steel tubes, and the two square steel tube main ribs 9 are welded and connected by a small iron block 133 to ensure that the through-wall bolts 10 can pass through the gaps 132 of the square steel tube main ribs 9.

[0046] The top layer of the overall steel-wood formwork system adopts a three-stage water-stop screw 11, which serves as a supporting structure when the steel-wood formwork is turned over to the upper layer. Before the formwork is completely fixed, it is used to bear the dead weight of the formwork and can also play a role in positioning the steel-wood formwork.

[0047] The outer baffle plate 8, the cushion block 5 and the supporting plate 7 of the supporting frame package are mainly used to temporarily place the disassembled square steel tube main rib 9 to reduce the risk of stacking materials on the attached lifting scaffolding; the outer baffle plate 8 is arranged on the outside of the main rib 4 of the integral steel-wood formwork, and each outer baffle plate 8 is connected to the secondary rib connection section 13 through three cushion blocks 5, and the spacing between the outer baffle plate 8 and the secondary rib connection section 13 is slightly larger than the thickness of the square steel tube 9 by 5-10mm; the supporting plate 7 adopts a concave structure (that is, it has a supporting groove 153), which is respectively fixed on the secondary rib connection section 13 and the outer baffle plate 8, and no less than three are arranged under each square steel tube main rib 9, which can be used to temporarily support the square steel tube main rib 9, so that the square steel tube main rib 9 can be lifted as a whole with the steel-wood formwork.

[0048] When the integral steel-wood formwork is used in conjunction with the attached lifting scaffold 18 and the guide rail 19, the total thickness of the formwork and the reinforced back ribs is not greater than 100 mm.

[0049] In summary, the steel-wood formwork structure of this embodiment combines the advantages of wood formwork and aluminum alloy formwork through the steel-wood keel secondary ribs and square steel tube main ribs, effectively solving the problem of conflict between the second type of high-rise buildings and the formwork when using attached lifting scaffolds, and realizing the combined use of attached lifting scaffolds and steel-wood formwork systems, with good construction quality and significant construction efficiency. It effectively reduces the high cost of using all-aluminum formworks and reduces wood consumption. Compared with traditional wood formworks, it has a higher turnover capacity, fast mold matching, and short template installation time, which greatly improves construction efficiency, reduces vertical transportation pressure, and avoids the safety risks caused by large-scale stacking of materials on attached lifting scaffolds.

[0050] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable shear wall steel-wood formwork structure suitable for an attached lifting scaffold, connected to the outside of the external cast-in-place wall of a building, characterized in that: The steel-wood formwork structure includes a plurality of mutually spliced ​​formwork units, a supporting unit for supporting the formwork units, and a positioning unit for supporting and positioning the formwork units; The template unit comprises: Removable plate, At least one steel-wood keel secondary rib vertically arranged on the surface of the removable plate; At least one square steel tube main rib is transversely arranged outside the steel-wood keel secondary rib; and At least one tension bolt used to fix the removable plate, the steel-wood keel secondary ribs and the square steel tube main ribs to the external cast-in-place wall, the tension bolt passing through the external cast-in-place wall, the removable plate and the square steel tube main ribs; The plurality of template units are spliced ​​together through the corresponding steel-wood keel secondary ribs and the square steel tube main ribs; The horizontally adjacent removable panels are connected to the wood beams at the vertical joints; The supporting unit comprises: An outer baffle plate vertically arranged on the outside of the square steel tube main rib and connected to the steel-wood keel secondary rib; and A supporting plate connecting the steel-wood keel secondary ribs and the outer baffle and located below the square steel tube main ribs for supporting the square steel tube main ribs in a disassembled state; The positioning unit comprises a three-section water-stopping screw which is arranged in the external cast-in-place wall and is located below the formwork unit.

2. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 1 is characterized in that: The number of the main ribs of the square steel tube is plural, and the main ribs of the square steel tube are evenly arranged in the height direction of the detachable plate.

3. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 2 is characterized in that: The main ribs of the square steel tube include: Two main rib connecting sections arranged in parallel and connected together by welding; An adjustable connection block movably arranged at any end of each main rib connection section; The main ribs of the square steel tubes adjacent to each other on the left and right are matched and installed through the adjustable connecting blocks.

4. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 3 is characterized in that: The main rib connecting section and the adjustable connecting block are respectively provided with adjusting grooves at corresponding positions, and locking bolts are arranged in the adjusting grooves.

5. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 4 is characterized in that: The number of the steel-wood keel secondary ribs is plural, and the plural steel-wood keel secondary ribs are evenly arranged in the length direction of the detachable plate.

6. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 5 is characterized in that: The secondary ribs of the steel-wood keel include secondary rib connection sections, the upper and lower ends of which are respectively provided with notches and protruding wooden beams matching the size of the notches, and the upper and lower adjacent secondary ribs of the steel-wood keel are matched and installed through the notches and the protruding wooden beams.

7. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 6 is characterized in that: The tension bolt passes through the gap formed between the two main rib connecting sections, and is respectively connected to a steel gasket having a width greater than the gap at one end exposed to the gap and at one end exposed to the external cast-in-place wall, and nuts are respectively arranged on the outer sides of the steel gaskets at both ends of the tension bolt.

8. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 7 is characterized in that: The outer baffle plate is evenly provided with a plurality of pads in the vertical direction, the secondary rib connection section is provided with a pad installation groove whose position corresponds to the pad, and the outer baffle plate and the secondary rib connection section are matched and installed with each other through the pad and the pad installation groove.

9. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 8 is characterized in that: The number of the supporting plates corresponds to the number of the main ribs of the square steel tubes, and supporting grooves for accommodating the main ribs of the square steel tubes are provided.

10. The adjustable shear wall steel-wood formwork structure applicable to the attached lifting scaffolding according to claim 9 is characterized in that: The inner side of the external cast-in-place wall is provided with a longitudinally or transversely arranged reinforcing back rib, and the tension bolts fix the reinforcing back rib to the external cast-in-place wall.