A kind of inclined climbing self-retractable external protective screen and its construction method

Abstract

The present invention discloses an inclined climbing self-retractable external protective screen and a construction method thereof, comprising an external protective screen, an operating platform, a hydraulic system, and a guide rail. A plurality of embedded parts are evenly spaced on one side of the guide rail and fixedly connected to the guide rail. The embedded parts include a hanger and a bolt. One end of the hanger is fixedly connected to the guide rail, and the other end is fixedly connected to the floor slab via a bolt. The hydraulic system is arranged at the connection between the guide rail and the embedded part and fixedly connected to the guide rail. The guide rail includes a vertical guide rail and an inclined guide rail. The area where the external protective screen is connected to the vertical guide rail is a straight climbing area. The straight climbing area includes a plurality of straight climbing units, each of which has the same width. The area where the external protective screen is connected to the inclined guide rail is an inclined climbing area. The inclined climbing area includes a plurality of inclined climbing units, each of which has different widths. The present invention achieves inclined climbing and maintains a closed state by providing an inclined guide rail, avoiding the high-altitude dismantling operation of the outermost frame, and can efficiently achieve continuous climbing construction. The operation is simple and safe.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and in particular relates to an oblique climbing self-retractable external protective screen and a construction method thereof. Background Art

[0002] During the construction of a building's main structure, protective screens are often installed to ensure safety. With the development of high-rise and super-high-rise construction in my country, the use of attached exterior protective screens is becoming increasingly common. However, super-high-rise buildings, such as hotels and office buildings, often pursue aesthetically pleasing facade designs, often with inward-facing facades. Existing protective screens often utilize vertical rails for climbing, requiring the outermost screen to be removed at high altitudes, posing significant construction risks. Summary of the Invention

[0003] In order to solve the above problems, the present invention provides an inclined climbing self-retractable external protective screen and a construction method thereof, so as to solve the problem that the existing vertical track climbing protective screen has great construction hidden dangers when removing the outermost protective screen at high altitude.

[0004] To achieve the above object, the present invention provides an oblique climbing self-retractable external protective screen, comprising:

[0005] An external protective screen, an operating platform, a hydraulic system and a guide rail, the operating platform is vertically connected to the external protective screen, the guide rail is vertically connected to the operating platform, a plurality of embedded parts are arranged at equal intervals on one side of the guide rail, the plurality of embedded parts are fixedly connected to the guide rail, the embedded parts include a bracket and a bolt, one end of the bracket is fixedly connected to the guide rail, and the other end is fixedly connected to the floor slab through a bolt, the hydraulic system is arranged at the connection between the guide rail and the embedded part, and is fixedly connected to the guide rail, wherein the guide rail includes a vertical guide rail and an inclined guide rail, the area where the external protective screen is connected to the vertical guide rail is the straight climbing area, the straight climbing area includes a plurality of straight climbing units, the widths of the plurality of straight climbing units are equal, the area where the external protective screen is connected to the inclined guide rail is the inclined climbing area, the inclined climbing area includes a plurality of inclined climbing units, the widths of the plurality of inclined climbing units are different, the external protective screen extends outward along both sides of the guide rail, and the area extending outward is the overlapping area.

[0006] According to a specific embodiment of the present invention, the height of the outer protective screen is 3.5 times the standard floor height.

[0007] According to a specific embodiment of the present invention, the outer protective screen includes a protective keel and a color steel plate, the protective keel is fixedly connected to the color steel plate, and the color steel plate is a trapezoidal structure.

[0008] According to a specific embodiment of the present invention, the operating platform includes a platform bracket and a platform springboard. The platform springboard is arranged on the upper surface of the platform bracket and is fixedly connected to the platform bracket.

[0009] According to a specific embodiment of the present invention, the platform bracket includes a platform crossbeam and a platform oblique beam, the first end of the platform crossbeam is fixedly connected to the first end of the platform oblique beam, the second end of the platform crossbeam and the second end of the platform oblique beam are respectively fixedly connected to the guide rail, the platform crossbeam and the platform oblique beam respectively form a right-angled triangle structure with the guide rail, and a column is fixedly connected between the platform crossbeam and the platform oblique beam, and the extension direction of the column is consistent with that of the guide rail.

[0010] According to a specific embodiment of the present invention, the operating platform further includes a platform flap, which is arranged on one side of the guide rail and fixedly connected to the guide rail.

[0011] A construction method for an oblique climbing self-retractable external protective screen, comprising:

[0012] Step 1: Obtain the overlapping length and building facade inclination of the outer protective screen, and calculate the adjacent demolition height difference based on the overlapping length and building facade inclination, where the building facade inclination is the inclination of the inclined guide rail of the first inclined climbing unit F1;

[0013] Step 2: Calculate the inclination angles of the inclined guide rails of the second inclined climbing unit F2 and the third inclined climbing unit F3 based on the overlapping length and the difference in adjacent demolished heights;

[0014] Step 3: Calculate the width of the straight climbing unit based on the overlap length;

[0015] Step 4: Install the external protective screen, operating platform, hydraulic system and guide rails on the outer wall of the existing building based on the calculated difference in adjacent demolition heights, the inclination angle of the inclined guide rails of each inclined climbing unit and the width of the straight climbing unit;

[0016] Step 5: The guide rail is lifted by the hydraulic system, and the guide rail drives the outer protection system and the operating platform to climb. The outermost first inclined climbing unit F1 climbs along the inclined edge of the building facade;

[0017] Step 6: When the outer protective screen is lifted to the next designed removal height, remove the vertical climbing unit adjacent to the inclined climbing unit, reinstall the second inclined climbing unit F2 and the third inclined climbing unit F3, restore the overlapping part, and reseal the outer protective system;

[0018] Step 7: Continue climbing until all vertical climbing units are removed or the top floor of the structure is reached.

[0019] According to a specific embodiment of the present invention, the calculation formula for the difference in height between adjacent demolished buildings is:

[0020] H=(x1+x2+x3)×tan -1 α

[0021] Wherein, H is the height difference between adjacent demolition units; x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1, and α is the guide rail inclination angle of the first oblique climbing unit F1.

[0022] According to a specific embodiment of the present invention, the calculation formulas for the guide rail inclination angles of the second inclined climbing unit F2 and the third inclined climbing unit F3 are respectively:

[0023]

[0024]

[0025] Wherein, β is the guide rail inclination angle of the second oblique climbing unit F2, γ is the guide rail inclination angle of the third oblique climbing unit F3, H is the height difference between two adjacent designed demolition operations, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1.

[0026] According to a specific embodiment of the present invention, the calculation formula for the width of the vertical climbing unit is:

[0027] L=x1+x2+x3

[0028] Wherein, L is the width of each subunit in the straight climbing unit, x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1.

[0029] Compared with the prior art, the present invention provides an inclined climbing type self-retractable external protective screen and a construction method thereof. By setting an inclined guide rail, inclined climbing can be achieved while remaining airtight, thus avoiding the high-altitude demolition of the outermost frame. The external protective screen is suitable for buildings with inward-retracted structural facades. When the building facades are retracted, continuous climbing construction can be efficiently achieved, with simple operation and safe construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The figure is a schematic structural diagram of an oblique climbing self-retractable external protective screen provided according to one embodiment of the present invention.

[0031] Figure 2 2 is a schematic diagram of the connection between the guide rail and the operating platform provided according to an embodiment of the present invention.

[0032] Figure 3 It is a schematic diagram of the structure of an operating platform provided according to an embodiment of the present invention.

[0033] Figure 4 1 is a schematic diagram of an embedded component structure provided according to an embodiment of the present invention.

[0034] Figure 5 It is a schematic diagram of the climbing process of the oblique climbing self-retractable external protective screen provided according to one embodiment of the present invention.

[0035] Figure 6 It is a schematic diagram of the climbing construction of an oblique climbing self-retractable external protective screen provided according to one embodiment of the present invention.

[0036] Figure 7 It is a flow chart of a construction method of an oblique climbing self-retractable external protective screen provided according to one embodiment of the present invention.

[0037] Reference numerals:

[0038] 1-External protective screen; 2-Hydraulic system; 3-Guide rail; 4-Operating platform; 5-Embedded parts; 6-Vertical climbing unit; 7-Inclined climbing unit;

[0039] 31- vertical guide rail; 32- inclined guide rail.

[0040] 41- platform springboard; 42- platform bracket; 43- platform flap;

[0041] 421- platform crossbeam; 422- platform inclined beam; 423- column;

[0042] 51-bolt; 52-mounting bracket. DETAILED DESCRIPTION

[0043] In order to make those skilled in the art understand the concept and thought of the present invention more clearly, the present invention is described in detail below in conjunction with specific embodiment.It should be understood that the embodiment provided herein is only a part of all possible embodiments of the present invention.After reading the specification of the application, those skilled in the art have the ability to make improvements, transformations, or replacements to part or all of the following embodiments, and these improvements, transformations, or replacements are also included in the scope of protection claimed in the present invention.

[0044] In this document, the terms "first", "second" and other similar words are not intended to imply any order, quantity and importance, but are merely used to distinguish different elements. In this document, the terms "one", "an" and other similar words are not intended to indicate that there is only one thing, but rather that the relevant description is only for one of the things, and the thing may have one or more. In this document, the terms "comprise", "include" and other similar words are intended to indicate logical relationships, and cannot be regarded as indicating relationships in spatial structure. For example, "A includes B" is intended to indicate that B logically belongs to A, and does not mean that B is spatially located inside A. In addition, the meanings of the terms "comprise", "include" and other similar words should be regarded as open, not closed. For example, "A includes B" is intended to indicate that B belongs to A, but B does not necessarily constitute the whole of A, and A may also include other elements such as C, D, and E.

[0045] In this document, the terms "embodiment," "this embodiment," "one embodiment," and "an embodiment" do not indicate that the description applies only to a specific embodiment, but rather indicate that the description may also apply to one or more other embodiments. Those skilled in the art should understand that any description of a particular embodiment herein may be substituted, combined, or otherwise combined with the description of one or more other embodiments. New embodiments resulting from such substitution, combination, or other combination are readily conceivable by those skilled in the art and fall within the scope of protection of this invention.

[0046] Example 1

[0047] Additional aspects and advantages of embodiments of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of embodiments of the present invention. Figures 1-6 The embodiment of the present invention provides an oblique climbing self-retractable external protective screen, comprising:

[0048] External protective screen 1, operating platform 4, hydraulic system 2 and guide rail 3, operating platform 4 is vertically connected to external protective screen 1, guide rail 3 is vertically connected to operating platform 4, a plurality of embedded parts 5 are arranged at equal intervals on one side of guide rail 3, a plurality of embedded parts 5 are fixedly connected to guide rail 3, embedded parts 5 include a hanger 52 and a bolt 51, one end of the hanger 52 is fixedly connected to guide rail 3, and the other end is fixedly connected to the floor slab through bolt 51, the hydraulic system 2 is arranged at the connection between guide rail 3 and embedded parts 5, and is fixedly connected to guide rail 3, guide rail 3 and embedded parts 5 respectively serve as tracks and lifting fulcrums for the hydraulic climbing protective screen and unloading platform to climb, and bear the frame load. The guide rails 3 include vertical guide rails 31 and inclined guide rails 32. The area where the outer protective screen 1 connects to the vertical guide rails 31 is the straight climbing area, which includes multiple straight climbing units 6 of equal width. The area where the outer protective screen 1 connects to the inclined guide rails 32 is the inclined climbing area, which includes multiple inclined climbing units 7 of varying widths. The outer protective screen 1 extends outward along both sides of the guide rails 3, and the outwardly extended areas are overlapping areas. When the building's facade is retracted, the outer protective screen 1 slides upward along the guide rails 3, enabling inclined climbing while maintaining a closed structure. Compared to traditional external protective screens, the inclined climbing self-retractable external protective screen provided by the present invention is suitable for buildings with retracted facades, achieving continuous climbing construction, simple operation, and safe construction.

[0049] Specifically, the outer protective screen 1 includes a protective keel and a color-coated steel plate. The protective keel is fixedly connected to the color-coated steel plate, wherein the color-coated steel plate has a trapezoidal structure. When the outer protective screen 1 is closely attached to the inclined facade of the building, the color-coated steel plate has a trapezoidal structure. In this embodiment of the present invention, the height of the outer protective screen 1 is 3.5 times the standard floor height.

[0050] Specifically, the operating platform 4 includes a platform bracket 42 and a platform springboard 41. The platform springboard 41 is arranged on the upper surface of the platform bracket 42 and is fixedly connected to the platform bracket 42. The operating platform 4 also includes a platform flap 43. The platform flap 43 is arranged on one side of the guide rail 3 and is fixedly connected to the guide rail 3. The platform bracket 42 also includes a platform crossbeam 421 and a platform inclined beam 422. The first end of the platform crossbeam 421 is fixedly connected to the first end of the platform inclined beam 422, and the second end of the platform crossbeam 421 and the second end of the platform inclined beam 422 are respectively fixedly connected to the guide rail 3. The platform crossbeam 421 and the platform inclined beam 422 respectively form a right triangle structure with the guide rail 3. A column 423 is fixedly connected between the platform crossbeam 421 and the platform inclined beam 422. The column 423 extends in the same direction as the guide rail 3.

[0051] Specifically, the hydraulic system 2 includes a hydraulic pump station, a hydraulic cylinder and a hydraulic oil circuit. The hydraulic system 2 is provided to provide power for lifting the outer protective screen 1.

[0052] Example 2

[0053] Combine Figure 7 The embodiment of the present invention provides a construction method for an inclined climbing self-retractable external protective screen. In the embodiment of the present invention, the inclined climbing area of ​​the external protective screen is provided with three inclined climbing units F1, F2, and F3, and the vertical climbing area is provided with multiple vertical climbing units Z1, Z2, ..., specifically including:

[0054] S1: Obtain the overlapping length and building facade inclination of the outer protective screen 1, and calculate the adjacent demolition height difference based on the overlapping length and building facade inclination, where the building facade inclination is the inclination of the inclined guide rail of the first inclined climbing unit F1. The calculation formula of the adjacent demolition height difference is:

[0055] H=(x1+x2+x3)×tan -1 α (1)

[0056] Wherein, H is the height difference between adjacent demolition units; x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1, and α is the guide rail inclination angle of the first oblique climbing unit F1.

[0057] S2: Calculate the inclination angles of the inclined guide rails of the second inclined climbing unit F2 and the third inclined climbing unit F3 based on the overlapping length and the difference in adjacent demolition heights. The calculation formulas for the inclination angles of the guide rails of the second inclined climbing unit F2 and the third inclined climbing unit F3 are:

[0058]

[0059]

[0060] Wherein, β is the guide rail inclination angle of the second oblique climbing unit F2, γ is the guide rail inclination angle of the third oblique climbing unit F3, H is the height difference between two adjacent designed demolition operations, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1.

[0061] S3: Calculate the width of the straight climbing unit based on the overlapping length. The calculation formula for the width of the straight climbing unit is:

[0062] L=x1+x2+x3 (4)

[0063] Wherein, L is the width of each subunit in the straight climbing unit, x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1.

[0064] S4: According to the calculated difference in adjacent demolition heights, the inclination angle of the inclined guide rails of each inclined climbing unit and the width of the straight climbing unit, an external protective screen 1, an operating platform 4, a hydraulic system 2 and a guide rail 3 are installed on the outer wall of the existing building.

[0065] S5: Hydraulic system 2 lifts guide rail 3, which drives outer protective screen 1 and operating platform 4 upward. The outermost first inclined climbing unit F1 climbs along the sloping edge of the building facade. During the climbing process, the inclined climbing units 7 and the inclined climbing units 7 overlap with the straight climbing units 6, allowing the outermost inclined climbing unit F1 to climb along the sloping edge of the building facade.

[0066] S6: When the outer protective screen 1 is raised to the next designed removal height, the vertical climbing unit 6 adjacent to the oblique climbing unit 7 is removed, and the second and third oblique climbing units F2 and F3 are reinstalled. The overlapping portions x1, x2, and x3 are restored to reseal the outer protective screen. Here, x1 is the maximum overlapping length between the first and second oblique climbing units F1 and F2, x2 is the maximum overlapping length between the second and third oblique climbing units F2 and F3, and x3 is the maximum overlapping length between the third oblique climbing unit F3 and the vertical climbing unit Z1.

[0067] S7: Continue climbing until all the vertical climbing units 6 are removed or the top floor of the structure is reached.

[0068] To sum up, the present invention provides an inclined climbing type self-retractable external protective screen and a construction method thereof, which can achieve inclined climbing and remain closed through the set inclined guide rails, avoiding the high-altitude dismantling operation of the outermost frame. The external protective screen is suitable for buildings with inward-retracted structural facades. When the facades of the building are retracted, continuous climbing construction can be efficiently achieved, with simple operation and safe construction.

[0069] The concepts, principles, and ideas of the present invention are described in detail above in conjunction with specific implementation methods (including embodiments and examples). Those skilled in the art should understand that the implementation methods of the present invention are not limited to the forms given above. After reading this application document, those skilled in the art can make any possible improvements, replacements, and equivalent forms to the steps, methods, systems, and components in the above-mentioned implementation methods. These improvements, replacements, and equivalent forms should be deemed to fall within the scope of the present invention, and the scope of protection of the present invention shall be subject only to the claims.

Claims

1. A construction method for an oblique climbing self-retractable external protective screen, characterized in that:

4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt and a nut. The bosses comprise a through-hole, a screw bolt and a nut. The construction method comprises: Step 1: Obtain the overlapping length and building facade inclination of the outer protective screen, and calculate the adjacent demolition height difference based on the overlapping length and building facade inclination, wherein the building facade inclination is the inclination of the inclined guide rail of the first inclined climbing unit F1; Step 2: Calculate the inclination angles of the inclined guide rails of the second inclined climbing unit F2 and the third inclined climbing unit F3 based on the overlapping length and the adjacent demolition height difference; Step 3: Calculating the width of the straight climbing unit based on the overlapping length; Step 4: Install the external protective screen, operating platform, hydraulic system and guide rails on the outer wall of the completed building based on the calculated difference in adjacent demolition heights, the inclination angle of the inclined guide rails of each inclined climbing unit and the width of the straight climbing unit; Step 5: The guide rail is lifted by the hydraulic system, and the guide rail drives the outer protection system and the operating platform to climb. The outermost first inclined climbing unit F1 climbs along the inclined edge of the building facade; Step 6: When the outer protective screen is lifted to the next designed removal height, remove the vertical climbing unit adjacent to the inclined climbing unit, reinstall the second inclined climbing unit F2 and the third inclined climbing unit F3, restore the overlapping part, and reseal the outer protective system; Step 7: Continue climbing until all the vertical climbing units are removed or the top floor of the structure is reached; The calculation formula for the adjacent demolition height difference is: H=(x1+x2+x3)×tanα Where H is the height difference between adjacent demolition units; x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1, and α is the guide rail inclination angle of the first oblique climbing unit F1; The calculation formulas for the guide rail inclination angles of the second inclined climbing unit F2 and the third inclined climbing unit F3 are respectively: Where, β is the guide rail inclination angle of the second oblique climbing unit F2, γ is the guide rail inclination angle of the third oblique climbing unit F3, H is the height difference between two adjacent designed demolition, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1; The calculation formula for the width of the straight climbing unit is: L=x1+x2+x3 Wherein, L is the width of each subunit in the straight climbing unit, x1 is the maximum overlapping length of the first oblique climbing unit F1 and the second oblique climbing unit F2, x2 is the maximum overlapping length of the second oblique climbing unit F2 and the third oblique climbing unit F3, and x3 is the maximum overlapping length of the third oblique climbing unit F3 and the straight climbing unit Z1.

2. The construction method of the inclined climbing self-retractable external protective screen according to claim 1 is characterized in that: The height of the outer protective screen is 3.5 times the standard floor height.

3. The construction method of the inclined climbing self-retractable external protective screen according to claim 1 is characterized in that: The outer protective screen includes a protective keel and a color steel plate, wherein the protective keel is fixedly connected to the color steel plate, and the color steel plate is a trapezoidal structure.

4. The construction method of the inclined climbing self-retractable external protective screen according to claim 1 is characterized in that: The operating platform includes a platform bracket and a platform springboard. The platform springboard is arranged on the upper surface of the platform bracket and is fixedly connected to the platform bracket.

5. The construction method of the inclined climbing self-retractable external protective screen according to claim 4 is characterized in that: The platform bracket includes a platform crossbeam and a platform oblique beam, the first end of the platform crossbeam is fixedly connected to the first end of the platform oblique beam, the second end of the platform crossbeam and the second end of the platform oblique beam are respectively fixedly connected to the guide rail, the platform crossbeam, the platform oblique beam and the guide rail form a right triangle structure, a column is fixedly connected between the platform crossbeam and the platform oblique beam, and the extension direction of the column is consistent with that of the guide rail.

6. The construction method of the inclined climbing self-retractable external protective screen according to claim 4 is characterized in that: The operating platform further comprises a platform flap, which is arranged on one side of the guide rail and fixedly connected to the guide rail.

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