Aluminum alloy formwork inner wall root plugging device and construction process thereof

Abstract

The application relates to an aluminum alloy formwork inner wall root plugging device and a construction process thereof, which comprises an aluminum alloy formwork, the bottom of the aluminum alloy formwork is provided with a rubber base, the rubber base is composed of a rubber strip with a C-shaped section, a bolt, a nut and a sleeve, a plurality of second pin hole corresponding to a plurality of first pin hole provided on the bottom horizontal surface of the aluminum alloy formwork are arranged on the top horizontal surface of the rubber strip; the bolt is inserted through the pin holes on the top of the rubber strip and the bottom of the aluminum alloy formwork, and the bottom end surface of the bolt is horizontally attached to the upper surface of the bottom of the rubber strip; the nut is fastened on the bolt below the top of the rubber strip, the sleeve is inserted into the corresponding pin holes of the aluminum alloy formwork and the rubber strip and fastened on the bolt above the bottom of the aluminum alloy formwork, and the sleeve is matched with the nut to lock the rubber strip and the aluminum alloy formwork. The aluminum alloy formwork inner wall root plugging device has good plugging quality, simple installation and convenient turnover.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building construction, and particularly relates to an aluminum alloy formwork inner wall root plugging device and a construction process thereof. BACKGROUND

[0002] At present, the root of cast-in-place shear wall and column is prone to the phenomenon of "rotten root", which is specifically manifested as pitted surface, loose honeycomb, exposed stone and exposed sand, etc., and has been listed as one of the common diseases in the quality control category of the "Common Quality Problems of Building Engineering" to indicate the frequent occurrence and great difficulty in eradication of the "rotten root" phenomenon of cast-in-place concrete wall and column. With the wide application of aluminum alloy formwork in the construction industry, a 40-45mm bottom corner aluminum is used below the wall column formwork to reserve a 5-10mm space for adjustment to prevent the inaccuracy of building elevation caused by uneven floor concrete. At present, most of them still use traditional wood formwork construction mortar or foot plate + sponge strip to plug, and the plugging quality completely depends on the "person" factor. If the operation is improper, the mortar leakage site will occur during pouring, and the quality problem of rotten root will be caused after the formwork is removed, which also causes material waste, increase of construction waste and high labor cost. SUMMARY

[0003] The application aims to provide an aluminum alloy formwork inner wall root plugging device with good plugging quality, high elevation accuracy, simple installation and convenient turnover, and a construction process of the aluminum alloy formwork inner wall root plugging device.

[0004] The technical solution of the application is an aluminum alloy formwork inner wall root plugging device, which comprises an aluminum alloy formwork, and a rubber base is arranged at the bottom of the aluminum alloy formwork. The rubber base is composed of a rubber strip with a C-shaped cross section, a bolt, a nut and a sleeve. A plurality of second pin hole corresponding to a plurality of first pin hole arranged at the bottom of the aluminum alloy formwork are arranged on the top horizontal surface of the rubber strip. The bolt passes through the pin holes on the top of the rubber strip and the bottom of the aluminum alloy formwork, and the bottom end surface of the bolt is horizontally attached to the upper surface of the bottom of the rubber strip. The nut is fastened on the bolt below the top of the rubber strip. The sleeve is inserted into the corresponding pin holes of the aluminum alloy formwork and the rubber strip and fastened on the bolt above the bottom of the aluminum alloy formwork. The sleeve cooperates with the nut to lock the rubber strip and the aluminum alloy formwork.

[0005] As a preferred embodiment, a first iron sheet is wrapped in the horizontal surface of the top of the rubber strip in contact with the bottom of the aluminum alloy formwork, and a second iron sheet is wrapped in the horizontal surface of the bottom of the rubber strip in contact with the ground.

[0006] As a preferred embodiment, a mud stopping strip is arranged on the contact surface of the bottom of the rubber strip and the ground.

[0007] As preferred: the sleeve is provided with a locking pin, which is locked into the thread of the bolt, thereby locking the bolt.

[0008] As preferred: the aluminum alloy template external corner bottom is provided with a rubber base matching the horizontal size of the bottom, and is provided with an external corner leveler for leveling.

[0009] As preferred: the external corner leveler is composed of a gasket provided above the bottom of the aluminum alloy template external corner and fastened to the two sides of the aluminum alloy template, a first leveling bolt provided with a bolt hole through the bottom of the gasket, and a first locking nut provided below the bottom of the gasket and threadedly connected with the first leveling bolt.

[0010] As preferred: the aluminum alloy template internal corner bottom is provided with a rubber base matching the horizontal size of the bottom, and is provided with an internal corner leveler for leveling.

[0011] As preferred: the internal corner leveler is composed of a horizontal crossbar extending into the internal cavity of the rubber base on both ends of the internal corner, a second locking nut fixed on the horizontal crossbar, and a second leveling bolt threadedly connected with the second locking nut.

[0012] Another technical solution of the present application is a construction process of an aluminum alloy template internal wall root plugging device, characterized in that it comprises the following steps:

[0013] (1) Select a C-shaped rubber strip with a corresponding length according to the size of the aluminum alloy template, wrap a first iron sheet in the horizontal plane where the top of the C-shaped rubber strip contacts the bottom of the aluminum alloy template, wrap a second iron sheet in the horizontal plane where the bottom of the C-shaped rubber strip contacts the ground, and set a mud stopper at the bottom of the C-shaped rubber strip to complete the pre-processing of the C-shaped rubber strip;

[0014] (2) After the processed C-shaped rubber strip is attached to the corresponding bottom of the aluminum alloy template, the sleeve is inserted from top to bottom into the corresponding pin hole at the bottom of the aluminum alloy template and the top of the C-shaped rubber strip, and then the bolt with the nut is inserted into the sleeve in sequence from bottom to top through the corresponding pin holes at the top of the C-shaped rubber strip and the bottom of the aluminum alloy template; the processed C-shaped rubber strip and the aluminum alloy template are fastened together through the cooperation of the nut below the top of the rubber strip and the sleeve above the bottom of the aluminum alloy template;

[0015] (3) Adjust the height of the bolt according to the floor elevation, and then lock the bolt by locking the locking pin on the sleeve into the thread of the bolt when the mud stopper at the lower end of the C-shaped rubber strip is compacted with the ground;

[0016] ⑷After installing rubber base on all wall column aluminum alloy formwork, wall column and beam plate formwork is installed according to the formwork matching diagram, and the aluminum alloy formwork of the wall body is installed with opposite-pull screws or pull pieces in the vertical direction and with steel back battens or pull piece systems in the horizontal direction according to requirements, or is reinforced with inner two and outer three square steel pipes and steel back battens;

[0017] ⑸After the formwork is installed, the female corner leveler and the male corner leveler are installed at the female corner and the male corner of the aluminum alloy formwork respectively and are leveled, and when the aluminum alloy formwork is installed and leveled, the bolts of the female corner leveler and the male corner leveler are screwed downward to be in close contact with the ground;

[0018] ⑹After the aluminum alloy formwork is installed, leveled and fixed, the sealing condition of the rubber base is checked, it is confirmed that the rubber base is in close contact with the ground, and the fastening condition of the sleeve, the male corner leveler and the female corner leveler is checked;

[0019] ⑺After the sealing check is completed, concrete is poured, and the height is strictly controlled during pouring;

[0020] ⑻After the wall body concrete is solidified and stable, the formwork, the rubber base, the male corner leveler and the female corner leveler are removed, and the inner wall root is compact and smooth after the formwork is removed.

[0021] As preferred: after the step ⑺ completes the concrete pouring, the concrete wall root is processed for secondary leveling before the concrete is initially set and finally set, so as to improve the flatness of the plate surface.

[0022] Compared with the prior art, the beneficial effects of the present application are:

[0023] ⑴The rubber base is used to replace the bottom corner aluminum in the aluminum alloy formwork system, is integrated with the aluminum alloy formwork after installation, is installed once, is convenient to circulate and use, and the stretchable characteristics of the rubber material and the C-shaped structure characteristics can realize the adjustment of the floor surface-40mm~+10mm, the tolerance range of the floor surface height is large, and thus the sealing quality of the inner wall root of the aluminum alloy formwork is improved.

[0024] ⑵The iron sheet is wrapped on the contact surface of the rubber base and the aluminum formwork and the ground contact surface, so that the rigidity when the rubber base contacts with the aluminum formwork and the ground is improved.

[0025] ⑶The mud stopper arranged at the bottom of the rubber base is compacted and fastened with the floor surface, a second sealing line is formed, and thus the sealing effect of the inner wall root is enhanced.

[0026] ⑷The male corner leveler and the female corner leveler are arranged at the male corner and the female corner, so that the aluminum alloy formwork is leveled during the installation process and the accuracy of the height is ensured during the pouring process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1is a perspective view of the aluminum alloy formwork inner wall root plugging device of the present application;

[0028] Figure 2 is an exploded view of the rubber base of the aluminum alloy formwork inner wall root plugging device of the present application;

[0029] Figure 3 is a structure diagram of the external corner leveling of the aluminum alloy formwork inner wall root plugging device of the present application;

[0030] Figure 4 is a structure diagram of the internal corner leveling of the aluminum alloy formwork inner wall root plugging device of the present application.

[0031] Main component symbol explanation:

[0032] Aluminum alloy template 1 First pin hole 11 Rubber base 2 Rubber strip 21 Second pin hole 211 Mud strip 212 First iron sheet 213 Second iron sheet 214 Bolt 22 Nut 23 Sleeve 24 Bayonet 241 External corner leveler 3 Gasket 31 First leveling bolt 32 First locking nut 33 Internal corner leveler 4 Horizontal crossbar 41 Second leveling bolt 42 Second locking nut 43 Ground 5 DETAILED DESCRIPTION

[0033] The present application will be further described in detail below with reference to the accompanying drawings:

[0034] Please refer to Figures 1-2 The present application provides an aluminum alloy formwork inner wall root plugging device, which includes an aluminum alloy formwork 1, a plurality of first pin holes 11 are arranged on the bottom horizontal surface of the aluminum alloy formwork 1, a rubber base 2 is connected to the bottom of the aluminum alloy formwork 1, the rubber base 2 is composed of a C-shaped rubber strip 21, a bolt 22, a nut 23 and a sleeve 24, a plurality of second pin holes 211 corresponding to the first pin holes 11 are arranged on the top horizontal surface of the rubber strip 21, the bolt 22 passes through the first pin holes 11 and the second pin holes 211, and the bottom end surface of the bolt 22 is horizontally attached to the bottom upper surface of the C-shaped rubber strip, the nut 23 is fastened on the bolt 22 below the top of the rubber strip, the sleeve 24 is inserted into the first pin holes 11 and the second pin holes 211 and fastened on the bolt 22 above the bottom of the aluminum alloy formwork 1, the sleeve 24 cooperates with the nut 23 to fasten the rubber strip 21 and the aluminum alloy formwork 1, and the rubber base 2 turns with the aluminum formwork 1. Adjust the bolt 22 to the appropriate position, compact the mud stopper 212 at the lower end surface of the rubber strip 21 with the ground 5, and then clamp the pin 241 provided on the sleeve 24 into the threads of the bolt 22, so as to realize fastening. The top of the rubber strip 21 is wrapped with a long first iron sheet 213 in the horizontal surface contacting the bottom of the aluminum alloy formwork 1, and the bottom of the rubber strip 21 is wrapped with a long second iron sheet 214 in the horizontal surface contacting the ground 5, so as to ensure the rigidity when the rubber strip 21 contacts the aluminum alloy formwork 1 and the ground 5.

[0035] The application utilizes the structure of C-shaped rubber strip and the stretchable property of rubber material to realize the plugging of the inner wall root when pouring in the floor elevation interval of -40mm~+10mm, thereby avoiding the occurrence of inner wall root leakage during pouring process. When the floor elevation is 0~10mm, the C-shaped rubber strip arc segment is tightly combined with the ground under the self-weight of the aluminum alloy formwork, thereby achieving the plugging effect of the inner wall root; when the floor elevation is 0mm, the C-shaped rubber strip arc segment is tightly combined with the ground under the self-weight of the aluminum alloy formwork, thereby forming the first plugging line, and the length of the bolt is adjusted to press and fasten the mud stopper at the lower end surface of the C-shaped rubber strip with the ground, thereby forming the second plugging line and realizing the plugging effect of the inner wall root; when the floor elevation is -40~0mm, the stretchable property of the C-shaped rubber strip is utilized to adjust the length of the bolt to the required length, and the mud stopper 212 at the lower end surface of the C-shaped rubber strip is pressed and fastened with the floor, thereby achieving the plugging purpose of the inner wall root during pouring.

[0036] Please refer to Figure 3 As shown in the figure, the aluminum alloy formwork 1 is provided with a rubber base 2 matched with the size of the bottom horizontal surface of the aluminum alloy formwork 1 and a male corner leveler 3 for leveling. The male corner leveler 3 is composed of a gasket 31 arranged above the bottom of the male corner of the aluminum alloy formwork 1 and fastened to the two sides of the aluminum alloy formwork 1, a first leveling bolt 32 penetrating the bolt hole of the bottom of the gasket 31, and a first locking nut 33 arranged below the bottom of the gasket 31 and threadedly connected with the first leveling bolt 32. The gasket 31 is L-shaped in cross section, and the two sides of the gasket are provided with through holes corresponding to the side walls of the aluminum alloy formwork, so that the gasket and the aluminum alloy formwork can be fastened together by fasteners. After the aluminum alloy formwork 1 is installed and leveled, the first leveling bolt 32 is screwed downward to be in close contact with the floor. The aluminum alloy formwork 1 is locked at the required height by the cooperation of the gasket 31, the first leveling bolt 32 and the first locking nut 33, so as to prevent the elevation of the wall from changing during the pouring process of the concrete and ensure the accuracy of the elevation after the pouring is completed.

[0037] Please refer to Figure 4 As shown in the figure, the aluminum alloy formwork 1 is provided with a rubber base 2 matched with the size of the bottom horizontal surface of the aluminum alloy formwork 1 and a male corner leveler 3 for leveling. The male corner leveler 3 is composed of a gasket 31 arranged above the bottom of the male corner of the aluminum alloy formwork 1 and fastened to the two sides of the aluminum alloy formwork 1, a first leveling bolt 32 penetrating the bolt hole of the bottom of the gasket 31, and a first locking nut 33 arranged below the bottom of the gasket 31 and threadedly connected with the first leveling bolt 32. The gasket 31 is L-shaped in cross section, and the two sides of the gasket are provided with through holes corresponding to the side walls of the aluminum alloy formwork, so that the gasket and the aluminum alloy formwork can be fastened together by fasteners. After the aluminum alloy formwork 1 is installed and leveled, the first leveling bolt 32 is screwed downward to be in close contact with the floor. The aluminum alloy formwork 1 is locked at the required height by the cooperation of the gasket 31, the first leveling bolt 32 and the first locking nut 33, so as to prevent the elevation of the wall from changing during the pouring process of the concrete and ensure the accuracy of the elevation after the pouring is completed.

[0038] Please see Figures 1-4 As shown, the present invention provides a construction process for a sealing device at the root of an aluminum alloy formwork inner wall, comprising the following steps:

[0039] (1) Select C-shaped rubber strips of corresponding length according to the size of the aluminum alloy template. Wrap long strip iron sheets in the horizontal plane where the top of the C-shaped rubber strip contacts the bottom of the aluminum alloy template and in the horizontal plane where the bottom of the C-shaped rubber strip contacts the ground. Set mudstop strips at the bottom of the C-shaped rubber strip to complete the pre-processing of the C-shaped rubber strip.

[0040] (2) After attaching the processed C-shaped rubber strip to the bottom of the corresponding aluminum alloy template, insert the sleeve from top to bottom into the corresponding pin holes at the bottom of the aluminum alloy template and the top of the C-shaped rubber strip. Then, insert the bolt with the nut on it from bottom to top through the corresponding pin holes at the top of the C-shaped rubber strip and the bottom of the aluminum alloy template and into the sleeve. The processed C-shaped rubber strip is fastened to the aluminum alloy template by the cooperation of the nut below the top of the rubber strip and the sleeve above the bottom of the aluminum alloy template.

[0041] (3) Adjust the bolt height according to the floor elevation. After pressing the mud-stop strip on the lower end of the C-type rubber strip with the ground, insert the locking pin on the sleeve into the bolt thread to tighten the bolt.

[0042] (4) After all the aluminum alloy formwork for walls and columns is installed with rubber bases, the formwork for walls, columns, beams and slabs shall be installed according to the formwork arrangement diagram. The aluminum alloy formwork for walls shall be installed with tie rods or tie plates in the vertical direction as required, and steel back ribs shall be installed in the horizontal direction according to the requirements of four inner and five outer tie rods or the tie plate system shall be reinforced with two inner and three outer square steel pipes and steel back ribs.

[0043] (5) After the template is installed, install the inside corner leveler and the outside corner leveler at the inside and outside corners of the aluminum alloy template and level them. After the aluminum alloy template is installed and leveled, tighten the bolts of the inside corner leveler and the outside corner leveler downwards until they are flush with the ground.

[0044] (6) After the aluminum alloy template is installed, leveled and fixed, check the sealing of the rubber base, confirm that the rubber base is in close contact with the ground, and check the tightness of the sleeve, external corner leveling device and internal corner leveling device.

[0045] (7) After the sealing inspection is completed, concrete is poured, and the elevation is strictly controlled during the pouring process;

[0046] (8) After the initial setting and before the final setting of the concrete, a secondary leveling treatment is carried out at the base of the concrete wall to solve the problem of unevenness of the slab surface.

[0047] (9) After the concrete of the wall has solidified and stabilized, remove the formwork, rubber base, external corner leveler, and internal corner leveler. After demolding, the base of the inner wall will be dense and smooth.

[0048] It is understandable that when selecting the corresponding rubber base type and length according to the size of the aluminum alloy template for installation, the bolts, nuts and sleeves used to fasten the rubber base to the aluminum alloy template can be set at intervals according to the length of the rubber base, which can both fasten it and reduce material costs.

[0049] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A sealing device for the root of an inner wall of an aluminum alloy formwork, comprising an aluminum alloy formwork, wherein a rubber base is provided at the bottom of the aluminum alloy formwork, the rubber base being composed of a C-shaped rubber strip, bolts, nuts, and sleeves; the top horizontal surface of the rubber strip has a plurality of second pin holes corresponding to a plurality of first pin holes provided at the bottom horizontal surface of the aluminum alloy formwork; the bolt passes through the pin holes at the top of the rubber strip and the bottom of the aluminum alloy formwork, and its bottom end face is horizontally fitted with the upper surface of the bottom of the rubber strip; characterized in that... The nut is fastened to the bolt located below the top of the rubber strip. The sleeve is inserted into the corresponding pin holes of the aluminum alloy template and the rubber strip and fastened to the bolt located above the bottom of the aluminum alloy template. The sleeve cooperates with the nut to lock the rubber strip and the aluminum alloy template. The top of the rubber strip is wrapped with a first iron sheet in the horizontal plane that contacts the bottom of the aluminum alloy template. The first iron sheet has an L-shaped cross-section. Its horizontal part covers the entire horizontal plane of the top of the rubber strip, and its vertical part extends downward along the side wall of the rubber strip and covers the upper part of the side wall. The bottom of the rubber strip is wrapped with a second iron sheet in the horizontal plane that contacts the ground. The contact surface between the bottom of the rubber strip and the ground is provided with a mud-stop strip. The bottom of the aluminum alloy template's external corner is fixed with a rubber base that matches the size of its bottom horizontal plane, and is equipped with an external corner leveler for leveling. The external corner leveler consists of a shim set above the bottom of the aluminum alloy template's external corner and fastened to both sides of the aluminum alloy template, a first leveling bolt with a bolt hole through the bottom of the shim, and a first locking nut set below the bottom of the shim and threadedly connected to the first leveling bolt. The bottom of the aluminum alloy template is fixed with a rubber base that matches the size of its bottom horizontal plane, and is equipped with a corner leveler for leveling. The corner leveler consists of a horizontal crossbar extending to the inner cavity of the rubber base at both ends of the corner, a second locking nut fixed on the horizontal crossbar, and a second leveling bolt threadedly connected to the second locking nut.

2. The aluminum alloy formwork inner wall root sealing device according to claim 1, characterized in that, The sleeve is provided with a locking pin, which is engaged into the thread of the bolt to lock the bolt in place.

3. A construction process for a sealing device at the root of an inner wall of an aluminum alloy formwork as described in claim 1, characterized in that, Includes the following steps: (1) Select a C-shaped rubber strip of the corresponding length according to the size of the aluminum alloy template. Wrap a first iron sheet in the horizontal plane where the top of the C-shaped rubber strip contacts the bottom of the aluminum alloy template, and wrap a second iron sheet in the horizontal plane where the bottom of the C-shaped rubber strip contacts the ground. Set a mud stop strip at the bottom of the C-shaped rubber strip to complete the pre-processing of the C-shaped rubber strip. (2) After attaching the processed C-shaped rubber strip to the bottom of the corresponding aluminum alloy template, insert the sleeve from top to bottom into the corresponding pin holes at the bottom of the aluminum alloy template and the top of the C-shaped rubber strip. Then, insert the bolt with the nut on it from bottom to top through the corresponding pin holes at the top of the C-shaped rubber strip and the bottom of the aluminum alloy template and into the sleeve. The processed C-shaped rubber strip is fastened to the aluminum alloy template by the cooperation of the nut below the top of the rubber strip and the sleeve above the bottom of the aluminum alloy template. (3) Adjust the bolt height according to the floor elevation, press the mud stop strip on the lower end of the C-type rubber strip with the ground, and then insert the locking pin on the sleeve into the bolt thread to tighten the bolt. (4) After all the aluminum alloy formwork for walls and columns is installed with rubber bases, the formwork for walls, columns, beams and slabs shall be installed according to the formwork arrangement diagram. The aluminum alloy formwork for walls shall be installed with tie rods or tie plates in the vertical direction as required, and steel back ribs shall be installed in the horizontal direction according to the requirements of four inner and five outer tie rods or the tie plate system shall be reinforced with two inner and three outer square steel pipes and steel back ribs. (5) After the template is installed, install the inside corner leveler and the outside corner leveler at the inside and outside corners of the aluminum alloy template and level them. After the aluminum alloy template is installed and leveled, tighten the bolts of the inside corner leveler and the outside corner leveler downwards until they are flush with the ground. (6) After the aluminum alloy template is installed, leveled and fixed, check the sealing of the rubber base, confirm that the rubber base is in close contact with the ground, and check the tightness of the sleeve, external corner leveling device and internal corner leveling device. (7) After the sealing inspection is completed, concrete is poured. During the pouring process, the elevation is strictly controlled. After the concrete is poured, the base of the concrete wall is leveled a second time before the concrete sets to improve the flatness of the slab surface. (8) After the concrete of the wall has solidified and stabilized, remove the formwork, rubber base, external corner leveler, and internal corner leveler. After demolding, the base of the inner wall will be dense and smooth.

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