A construction method for waterproofing a building roof

Abstract

The application discloses a building roof waterproof construction method, and relates to the technical field of house construction, which comprises the following steps: step one: base layer detail treatment, wherein cement reverse angles are painted by cement mortar at the reentrant corner; step two: base layer cleaning; step three: spraying cold primer; step four: additional layer construction, wherein the waterproof coiled material is laid by a laying device at the reentrant corner; and step five: coiled material laying, wherein the waterproof coiled material is laid on the large surface of the roof. The application can improve the waterproof effect.

Description

Technical Field

[0001] This application relates to the technical field of building construction, and in particular to a method for waterproofing building roofs. Background Technology

[0002] Waterproofing is usually carried out on the roof during building construction to reduce the possibility of water seeping down to the next floor when water accumulates on the roof.

[0003] See Figure 1 During roof waterproofing construction, waterproof membrane is usually laid. To improve the quality of the laying, before the main waterproof membrane is laid, an additional waterproof layer 11 needs to be applied to the inside corner formed by the parapet wall and the roof. This area is usually a weak point in waterproofing. When treating the additional waterproof layer 11, first apply cement mortar to the inside corner to create a chamfer 1, and then lay a layer of waterproof membrane at the inside corner and compact it with a roller to reduce the possibility of leakage at the inside corner after the main surface is laid.

[0004] Regarding the aforementioned technologies, the inventors discovered the following defects: When applying the additional waterproof layer 11 at the inside corner, it is necessary to flatten the waterproof membrane with a pressure roller to reduce the possibility of hollow areas. However, the pressure roller's effect on the waterproof membrane at the connection between the chamfer 1 and the walls and roof on both sides is generally poor, resulting in pressure dead corners that affect the waterproof effect. Summary of the Invention

[0005] To improve waterproofing performance, this application provides a method for waterproofing building roofs.

[0006] This application provides a method for waterproofing building roofs, employing the following technical solution:

[0007] A method for waterproofing building roofs includes the following steps:

[0008] Step 1: Detail treatment of the base layer, applying cement mortar to the inside corners to create a cement chamfer;

[0009] Step Two: Base Layer Cleaning

[0010] Step 3: Apply a cold primer;

[0011] Step 4: Apply additional layer: Lay the waterproof membrane at the inside corner using an applicator;

[0012] Step 5: Install the waterproof membrane. Install the waterproof membrane on the main surface of the roof.

[0013] The laying device in step four includes a connecting shaft, a heating roller, and a winding roller. Rollers are rotatably mounted on the outer periphery of the connecting shaft near both ends. The heating rollers are symmetrically arranged and rotatably connected to both ends of the connecting shaft, with the outer diameter of each heating roller being smaller than the outer diameter of the rollers. A drive column is located between the two rollers on the connecting shaft, and a fixed column is mounted on the side wall of the drive column. The winding roller is rotatably connected to the fixed column. Each winding roller corresponds to one of the heating rollers and is located above the heating roller. A transmission space is formed between the rollers to allow the waterproof membrane to pass through. The rollers are equipped with a drive assembly that drives the heating rollers to rotate in the same direction when they rotate. A heating cavity is formed inside the heating rollers, and heat transfer holes communicating with the heating cavity are evenly spaced around the periphery of the heating rollers. A heating element that enters the heating cavity is provided inside the connecting shaft. The connecting shaft is rotatably connected to mounting columns that correspond one-to-one with the heating rollers. The mounting columns are equipped with pressure plates for flattening the waterproof membrane. The pressing side of the pressure plate has a sharp angle structure. The connecting shaft is equipped with an elastic drive component that drives the pressure plate to press the waterproof membrane.

[0014] By adopting the above technical solution, before laying, a cement chamfer is applied to the inside corners, followed by cleaning the roof surface, spraying with a cold primer, and then laying the additional layer. During the laying of the additional layer, a heating roller heats the waterproof membrane and the roof surface. Then, as the connecting shaft moves forward, the heating roller reverses, causing the waterproof membrane to be output backward and squeezed by the pressure plate. At this point, the waterproof membrane is adhered to the roof surface. The whole process is simple. When the pressure plate squeezes the waterproof membrane towards the roof, the possibility of contact between the pressure plate and the cement chamfer is reduced, allowing the waterproof membrane to be squeezed more fully, improving the adhesion of the waterproof membrane, and reducing the possibility of leakage.

[0015] Optionally, the drive assembly includes a drive rack, a drive gear, and a transmission gear. The roller end has a mounting groove. The drive gear is located on the outer periphery of the heating roller and within the mounting groove. The drive rack is located on the periphery wall of the mounting groove. The connecting shaft has a support column extending between the drive rack and the drive gear. The transmission gear is rotatably connected to the support column and meshes with the drive gear and the drive rack, respectively.

[0016] By adopting the above technical solution, when the roller rolls, the drive rack drives the transmission gear to rotate, and then the transmission gear drives the drive gear to rotate, so that the heating roller enters a rotation state in the opposite direction to the roller.

[0017] Optionally, the heating element is a flame gun, and the drive column is provided with an air supply tank to provide an air source for the flame gun.

[0018] By adopting the above technical solution, the flame from the flame gun heats the heating roller, which in turn heats the waterproof membrane and the roof, increasing the heating area and improving the heating speed of the waterproof membrane and the roof.

[0019] Optionally, the heating chamber has a plurality of heat transfer elements arranged circumferentially at intervals on the side of the chamber wall away from the roller for transferring the heat of the flame gun.

[0020] By adopting the above technical solution, heat is transferred through heat transfer components, enabling the heating roller to heat the waterproof membrane and roof more evenly.

[0021] Optionally, the heat transfer element is a reciprocating lead screw, which is rotatably connected to the heating roller. A heat transfer block is threadedly connected to the outer periphery of the reciprocating lead screw. The heating roller is provided with a limiting element that restricts the rotation of the heat transfer block. The connecting shaft is provided with a power component that drives the reciprocating lead screw to rotate when the heating roller rotates.

[0022] By adopting the above technical solution, the heat transfer block moves back and forth when the reciprocating screw rotates, further improving the heat transfer effect.

[0023] Optionally, the power assembly includes a power gear and a connecting gear. The power gear is disposed on the outer periphery of the connecting shaft, and the connecting gear is disposed on the outer periphery of the reciprocating lead screw. The connecting gear meshes with the power gear.

[0024] By adopting the above technical solution, when the heating roller rotates, the connecting gear rolls on the outer circumference of the power gear, causing the reciprocating screw to enter the rotation state.

[0025] Optionally, the heat transfer block is provided with multiple heat absorption grooves spaced apart.

[0026] By adopting the above technical solution, the contact area between the heat transfer block and heat is increased, thereby improving the speed at which the heat transfer block absorbs heat and dissipates heat.

[0027] Optionally, adjacent heat transfer blocks are staggered along the axial direction of the heating roller.

[0028] By adopting the above technical solution, the heat transfer block can alternate between absorbing and releasing heat, keeping the heat in the heating chamber in a relatively stable state.

[0029] Optionally, the elastic driving component is a driving torsion spring, which is sleeved on the outer periphery of the connecting shaft and corresponds one-to-one with the mounting post. One end of the driving torsion spring abuts against the driving post, and the other end of the driving torsion spring abuts against the mounting post.

[0030] By adopting the above technical solution, the driving torsion spring drives the mounting column, which causes the pressure plate to squeeze the waterproof membrane. When the driving column approaches the mounting column, it compresses the driving torsion spring, thereby improving the strength of the pressure plate squeezing the waterproof membrane.

[0031] Optionally, the spacing between adjacent heating rollers is equal to the length of the heating roller.

[0032] By adopting the above technical solution, two waterproof membranes can be laid simultaneously, thus increasing the laying speed.

[0033] In summary, this application includes at least one of the following beneficial effects:

[0034] 1. The additional layer is applied using an application device. When the application device applies the waterproof membrane, the sharp corners of the pressure plate squeeze the waterproof membrane, improving the application effect and reducing the possibility of leakage.

[0035] 2. When the flame gun heats the heating roller, the heat is transferred to a position away from the flame gun in the heating chamber through the heat transfer block, thereby improving the heating effect of the heating roller on the waterproof membrane and roof. Attached Figure Description

[0036] Figure 1 This is a cross-sectional schematic diagram of the relevant technology;

[0037] Figure 2 This is a schematic diagram of the overall structure of an embodiment of this application;

[0038] Figure 3 This is a schematic diagram of the internal cross-section of an embodiment of this application;

[0039] Figure 4 yes Figure 3 Enlarged schematic diagram of part A.

[0040] Reference numerals: 1. Chamfer; 11. Additional waterproof layer; 2. Laying device; 3. Connecting shaft; 31. Drive column; 32. Fixing column; 33. Mounting column; 34. Pressure plate; 35. Roller; 351. Mounting groove; 352. Support column; 36. Drive torsion spring; 4. Heating roller; 41. Transmission space; 42. Heating chamber; 43. Heat transfer hole; 44. Reciprocating screw; 45. Heat transfer block; 451. Limiting block; 452. Heat absorption groove; 5. Winding roller; 6. Drive assembly; 61. Drive rack; 62. Drive gear; 63. Transmission gear; 7. Flamethrower; 71. Air supply tank; 8. Power assembly; 81. Connecting gear; 82. Power gear. Detailed Implementation

[0041] The following is in conjunction with the appendix Figure 2-4 This application will be described in further detail.

[0042] This application discloses a method for waterproofing building roofs. See also... Figure 2 The construction method for waterproofing building roofs includes the following steps:

[0043] Step 1: Detail treatment of the base layer, applying cement mortar to the inside corners to create a cement chamfer;

[0044] Step Two: Base cleaning, removing dirt and dust from the roof surface:

[0045] Step 3: Apply a cold primer;

[0046] Step 4: Additional layer construction. At the inside corner, apply the waterproof membrane using the laying device 2. The waterproof membrane is a self-adhesive polymer-modified bitumen waterproof membrane.

[0047] Step 5: Install the waterproof membrane. Install the waterproof membrane on the main surface of the roof.

[0048] See Figure 2 and Figure 3 The paving device 2 in step four includes a connecting shaft 3, a heating roller 4, and a winding roller 5. Two rollers 35 are symmetrically arranged on the outer periphery of the connecting shaft 3. The rollers 35 are rotatably connected to the connecting shaft 3, and the two rollers 35 are located near the two ends of the connecting shaft 3. When in use, the rollers 35 roll on the roof, wall, and cement chamfer.

[0049] See Figure 2 and Figure 3 Two drive columns 31 are fixedly connected to the outer periphery of the connecting shaft 3. A handle is fixedly connected to the side of the drive column 31 away from the connecting shaft 3. When in use, holding the handle drives the connecting shaft 3 to move via the drive column 31. There are two heating rollers 4 symmetrically arranged at both ends of the connecting shaft 3. The heating rollers 4 are rotatably connected to the connecting shaft 3. The outer diameter of the heating rollers 4 is smaller than the outer diameter of the rollers 35. When the rollers 35 roll on the roof, there is a certain gap between the heating rollers 4 and the roof. The opposite sidewalls of the two rollers 35 are respectively provided with mounting grooves 351, and the end of the heating roller 4 near the roller 35 is located in the mounting groove 351.

[0050] See Figure 3 and Figure 4A drive assembly 6 is provided on the connecting shaft 3. When the roller 35 rotates, the drive assembly 6 drives the heating roller 4 to rotate in the opposite direction. The drive assembly 6 includes a drive gear 62, a drive rack 61, and a transmission gear 63. The drive gear 62 is fixed to the outer periphery of the heating roller 4 and located in the mounting groove 351. The drive rack 61 is fixed to the periphery of the mounting groove 351 and is coaxially arranged with the drive gear 62. A support column 352 is fixedly connected to the outer periphery of the connecting shaft 3. A rotating shaft is rotatably connected to the support column 352. The side of the rotating shaft away from the support column 352 extends between the drive gear 62 and the drive rack 61. The transmission gear 63 is rotatably connected to the rotating shaft and located between the drive gear 62 and the drive rack 61. The transmission gear 63 meshes with the drive rack 61 and the drive gear 62 respectively. When the roller 35 rotates, the drive rack 61 first drives the transmission gear 63 to rotate, and then the transmission gear 63 transmits power to drive the drive gear 62 to rotate, so that the heating roller 4 and the roller 35 rotate in opposite directions.

[0051] See Figure 3 and Figure 4 Two drive columns 31 are fixedly connected to fixed columns 32 on opposite sides. The fixed columns 32 extend away from the drive columns 31 to the outside of the sliding groove 321. The winding roller 5 and the heating roller 4 correspond one-to-one and are rotatably connected to the fixed columns 32 on the side away from the drive columns 31. The winding roller 5 is located above the heating roller 4, and there is a certain distance between the winding roller 5 and the heating roller 4, forming a transmission space 41. The waterproof membrane is wound around the outer periphery of the winding roller 5. Before laying, the waterproof membrane is pulled out from the winding roller 5, and the waterproof membrane passes through the transmission space 41 from the forward side and covers the outer periphery of the heating roller 4. The length of the waterproof membrane wound on the winding roller 5 each time can be determined according to the length required for the additional layer. When the connecting shaft 3 moves forward, the heating roller 4 rotates in the opposite direction, driving the waterproof membrane on the winding roller 5 to be transmitted backward. At this time, the adhesive side of the waterproof membrane faces the roof. The distance between the two heating rollers 4 is equal to the length of the heating rollers 4. When laying the waterproof membrane, two pieces can be laid at once. The two laid waterproof membranes form a laying position. When laying the next piece, one of the heating rollers 4 can be in the laying position. At this time, the roller 35 rolls on one of the laid waterproof membranes, which can improve the laying speed of the waterproof membrane.

[0052] See Figure 2Two mounting sleeves are symmetrically fitted on the outer periphery of the connecting shaft 3. Each mounting sleeve corresponds to a heating roller 4 and is located near the mounting sleeve. Mounting posts 33, perpendicular to the connecting shaft 3, are fixedly connected to the outer periphery of the mounting sleeves. Pressure plates 34 are fixedly connected to the opposite sides of the two mounting posts 33. The pressure plates 34 are perpendicular to the mounting posts 33 and extend away from the pressure plates 34. The pressure plates 34 are parallel to the heating roller 4 and are used to compress the waterproof membrane towards the roof. The vertical cross-section of the pressure plates 34 is triangular, and the apex of the triangle compresses the waterproof membrane during compression. The connecting shaft 3 is equipped with an elastic driving component, a driving torsion spring 36, which is fitted on the outer periphery of the connecting shaft 3 and corresponds to a mounting post 33. One end of the driving torsion spring 36 abuts against a driving post 31, and the other end abuts against the top side of a mounting post 33. When in use, the drive torsion spring 36 is released elastically, pushing the mounting column 33 towards the roof, causing the pressure plate 34 to squeeze the waterproof membrane. At the same time, when the waterproof membrane is laid, the drive column 31 can be moved towards the mounting column 33 by rotating the connecting shaft 3, reducing the angle between the drive column 31 and the mounting column 33, thereby increasing the strength of the drive torsion spring 36 driving the pressure plate 34 to squeeze the waterproof membrane.

[0053] See Figure 3 and Figure 4 A heating chamber 42 is formed inside the heating roller 4, and the connecting shaft 3 extends into the heating chamber 42. A heating element, namely a flame gun 7, is provided on the connecting shaft 3. The flame gun 7 is symmetrically fixed within the connecting shaft 3, corresponding to and opposite the heating roller 4. The nozzle of the flame gun 7 is located within the heating chamber 42. An air supply tank 71 is fixedly connected between the two drive columns 31. The air supply tank 71 is symmetrically connected to two air supply pipes, which pass through the drive columns 31 and the connecting shaft 3. The side of the air supply pipe away from the air supply tank 71 is connected to the flame gun 7. Multiple heat transfer holes 43 are evenly spaced on the outer periphery of the heating chamber 42, and the heat transfer holes 43 are connected to the heating chamber 42. When in use, the air supply tank 71 is opened to supply air to the flame gun 7. Then, the flame gun 7 can be ignited through the heat transfer hole 43 near the flame gun 7, so that the flame gun 7 sprays flames to heat the heating roller 4. At the same time, the heat from the flame sprayed by the flame gun 7 and the heat in the heating chamber 42 can be transferred outward through the heat transfer hole 43 to heat the roof and the bonding surface of the waterproof membrane, thereby improving the bonding effect between the waterproof membrane and the roof. Furthermore, when the waterproof membrane is wrapped around the winding roller 5, there is no need to turn off the air supply tank 71. At this time, the heat generated by the flame sprayed by the flame gun 7 is stored in the heating roller 4, which can reduce the complexity of the installation.

[0054] See Figure 3 and Figure 4The heating roller 4 is equipped with a heat transfer element, which is a reciprocating lead screw 44. Multiple reciprocating lead screws 44 are evenly spaced circumferentially around the connecting shaft 3. The reciprocating lead screws 44 are parallel to the connecting shaft 3 and are rotatably connected to the wall of the heating chamber 42 on the side away from the connecting shaft 3. A heat transfer block 45 is threadedly connected to the outer circumference of the reciprocating lead screw 44. The heat transfer block 45 has a cylindrical structure, and adjacent heat transfer blocks 45 are staggered along the axial direction of the heating roller 4. Multiple heat transfer grooves are evenly spaced on the outer circumference of the heat transfer block 45 to increase the contact area between the heat transfer block 45 and the heat, thereby increasing the heating speed of the heating block. The heating roller 4 is equipped with a limiting element, a limiting block 451. The limiting block 451 is fixed to the outer wall of the heat transfer block 45 and slidably connected axially to the circumferential wall of the heating chamber 42 to limit the rotation of the heat transfer block 45, allowing the heat transfer block 45 to move back and forth when the reciprocating lead screw 44 rotates. When the heat transfer block 45 is located close to the flame gun 7, the heat transfer block 45 absorbs heat. Then, when the heat transfer block 45 moves to a position away from the flame gun 7, the heat transfer block 45 dissipates the absorbed heat, raising the temperature of the side of the heating chamber 42 away from the flame gun 7, so that the heating roller 4 can heat the waterproof membrane more evenly.

[0055] See Figure 3 and Figure 4 The connecting shaft 3 is equipped with a power assembly 8. When the connecting shaft 3 rotates, the power assembly 8 drives the reciprocating lead screw 44 to rotate. The power assembly 8 includes a power gear 82 and a connecting gear 81. The power gear 82 is fixed to the outer periphery of the connecting shaft 3, and the connecting gear 81 corresponds one-to-one with the reciprocating lead screw 44 and is fixed to the outer periphery of the reciprocating lead screw 44. The connecting gear 81 and the power gear 82 mesh with each other. When the heating roller 4 rotates, the connecting gear 81 is rolled and connected to the power gear 82, driving the reciprocating lead screw 44 to rotate.

[0056] The implementation principle of a building roof waterproofing construction method according to an embodiment of this application is as follows:

[0057] During the construction of the waterproof membrane, cement mortar is first applied to the inside corners to create a cement chamfer. After the cement mortar hardens, the roof and parapet wall surfaces are cleaned to remove dust, dirt, and other impurities. Then, a layer of cold primer is sprayed onto the roof. Next, the waterproof membrane is laid using a laying device. During laying, a flame gun 7 heats the heating roller 4, heating both the roof surface and the waterproof membrane's adhesive surface. Then, roller 35 rolls from a certain distance towards the inside corner, laying the waterproof membrane on the ground. A pressure plate 34 is manually pressed onto one side of the waterproof membrane, compressing it as the connecting shaft 3 advances. Finally, roller 35 rolls from the roof onto the cement chamfer at the inside corner, and then onto the parapet wall away from the cement chamfer, forming an additional layer of waterproof membrane.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A method of waterproofing construction roofing, characterized by, The method comprises the following steps: Step 1: base layer detail processing, by cement mortar in the internal corner place daub out cement chamfer; Step 2: base layer cleaning: Step 3: spray cold primer; Step 4: additional layer construction, by laying device (2) laying waterproof coiled material in the internal corner place; Step 5: coiled material laying, laying waterproof coiled material on the large area of roof; The laying device (2) in the step 4 comprises a connecting shaft (3), a heating roller (4) and a winding roller (5), the connecting shaft (3) is provided with a roller (35) at the position close to both ends on the outer circumferential side, the heating roller (4) is symmetrically arranged and is rotatably connected to both ends of the connecting shaft (3), and the outer diameter of the heating roller (4) is smaller than that of the roller (35); the connecting shaft (3) is provided with a driving column (31) between the two rollers (35), the driving column (31) is provided with a fixed column (32) on the side wall, the winding roller (5) is rotatably connected to the fixed column (32), the winding roller (5) corresponds to the heating roller (4) one by one and is located above the heating roller (4), a transmission space (41) for the waterproof coiled material is formed between the heating roller (4) and the winding roller (5), and the roller (35) is provided with a driving assembly (6) for driving the heating roller (4) to rotate in the opposite direction when rotating; the heating roller (4) is provided with a heating cavity (42) in the inside, the heating roller (4) is uniformly and interval provided with heat transfer holes (43) communicating with the heating cavity (42) on the circumferential side, and the connecting shaft (3) is provided with a heating element entering the heating cavity (42); the connecting shaft (3) is rotatably connected with an installation column (33) corresponding to the heating roller (4), the installation column (33) is provided with a pressing plate (34) for flattening the waterproof coiled material, the pressing side of the pressing plate (34) is in a sharp corner structure, and the connecting shaft (3) is provided with an elastic driving element for driving the pressing plate (34) to extrude the waterproof coiled material.

2. A method of constructing a waterproof roof according to claim 1, characterized in that: The driving assembly (6) comprises a driving rack (61), a driving gear (62) and a transmission gear (63), the roller (35) is provided with an installation groove (351) at the end, the driving gear (62) is arranged on the outer circumferential side of the heating roller (4) and located in the installation groove (351), the driving rack (61) is arranged on the groove wall of the installation groove (351), the connecting shaft (3) is provided with a supporting column (352) extending between the driving rack (61) and the driving gear (62), and the transmission gear (63) is rotatably connected to the supporting column (352). The transmission gear (63) is engaged with the driving gear (62) and the driving rack (61) respectively.

3. The method of claim 1, wherein: The heating element is a flame gun (7), and the driving column (31) is provided with a gas supply tank (71) for providing gas source for the flame gun (7).

4. The method of claim 3, wherein: A plurality of heat transfer elements for transferring heat of the flame gun (7) are circumferentially and interval arranged on the cavity wall away from the roller (35) side of the heating cavity (42).

5. A method of constructing a waterproof roof according to claim 4, characterized in that: The heat transfer member is a reciprocating wire rod (44), the reciprocating wire rod (44) is rotationally connected with the heating roller (4), a heat transfer block (45) is threadedly connected to the outer periphery of the reciprocating wire rod (44), the heating roller (4) is provided with a limiting member for limiting the rotation of the heat transfer block (45), and the connecting shaft (3) is provided with a power assembly (8) for driving the reciprocating wire rod (44) to rotate when the heating roller (4) rotates.

6. A method of constructing a waterproof roof according to claim 5, wherein: The power assembly (8) comprises a power gear (82) and a connecting gear (81), the power gear (82) is arranged on the outer periphery of the connecting shaft (3), and the connecting gear (81) is arranged on the outer periphery of the reciprocating wire rod (44), and the connecting gear (81) is engaged with the power gear (82).

7. The method of claim 5, wherein: A plurality of heat absorption grooves (452) are arranged on the heat transfer block (45) in an interval.

8. The method of claim 5, wherein: The adjacent heat transfer blocks (45) are arranged in an axial offset manner along the heating roller (4).

9. The method of claim 1, wherein: The elastic driving member is a driving torsion spring (36), the driving torsion spring (36) is sleeved on the outer periphery of the connecting shaft (3) and corresponds to the mounting column (33) one by one, one end of the driving torsion spring (36) abuts against the driving column (31), and the other end of the driving torsion spring (36) abuts against the mounting column (33).

10. The method of claim 1, wherein: The spacing between the adjacent heating rollers (4) is equal to the length of the heating roller (4).

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