Cantilever formwork support

Abstract

The utility model discloses an overhanging formwork support which comprises an overhanging formwork support body, an embedded part and a connecting piece, the embedded part comprises an embedded pipe and a detachable piece which are embedded in an outer wall, the inner side of the embedded pipe is provided with a first internal thread and a second internal thread in the axial direction, the radius of the second internal thread is larger than that of the first internal thread, and the detachable piece comprises a threaded pipe part. The threaded pipe part is in threaded connection with the interior of the second internal thread, a third internal thread connected with the first internal thread is arranged on the inner side of the threaded pipe part, the outer end of the third internal thread penetrates through the circular truncated cone part, a conical surface is arranged on the periphery of the circular truncated cone part, one end of the conical surface extends to the periphery of the end face of the embedded pipe, and the other end of the conical surface extends to the periphery of the end face of the embedded pipe. A flaring at the other end of the conical surface extends to the outer surface of the outer wall, and the connecting piece penetrates through the cantilever formwork support main body and is in threaded connection with the third internal thread and the first internal thread. According to the overhanging formwork support, after the overhanging formwork support body is detached, rainwater is not prone to permeating into an outer wall.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction support technology field especially relates to a cantilever formwork support. BACKGROUND

[0002] The cantilever formwork support is installed on the outer wall of high-rise building to pour cantilever component. The existing cantilever formwork support is installed on the outer wall outside through the embedded part embedded in the outer wall, such as the patent shown in the application number CN202321289635.9, which comprises embedded block and fastener that can be screwed with embedded part, the embedded block is embedded in the outer wall, and the outer end is flush with the outer side of the wall, and the cantilever formwork support is installed on the embedded part through the fastener.

[0003] After the existing cantilever formwork support is disassembled, the end of the embedded part is exposed outside the outer wall, and rainwater can easily penetrate into the outer wall through the end of the embedded part, which can cause damage to the building. UTILITY MODEL CONTENTS

[0004] The utility model discloses in order to solve the defect that rainwater can easily penetrate into the outer wall after the existing cantilever formwork support is removed, and a cantilever formwork support is provided, after the cantilever formwork support main part is removed, rainwater can not easily penetrate into the outer wall.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A cantilever formwork support, including cantilever formwork support main part, embedded part and connecting piece, the embedded part includes embedded pipe embedded in the outer wall and detachable part, and the inner side of the embedded pipe is provided with first internal thread and second internal thread with larger radius along the axial direction respectively, the detachable part includes threaded pipe part and circular truncated cone part fixedly connected to the outer end of the threaded pipe part, the threaded pipe part is screwed in the second internal thread, and the inner side is provided with third internal thread connected with the first internal thread, the third internal thread outer end penetrates the circular truncated cone part, and the outer periphery of the circular truncated cone part is provided with taper surface, one end of the taper surface extends to the outer periphery of the embedded pipe end face, and the other end of the taper surface is flared and extends to the outer surface of the outer wall, and the connecting piece passes through the cantilever formwork support main part and is screwed with the third internal thread and the first internal thread.

[0007] Through the above-mentioned setting, the taper surface makes the detachable part more easily disassembled from the outer wall, after the cantilever formwork support main part and the detachable part are removed, it is convenient to fill the concrete into the outer wall to repair the outer surface of the outer wall and prevent rainwater from penetrating into the outer wall.

[0008] After the connecting piece and the cantilever formwork support main part are disassembled, the detachable part is rotated, and the detachable part is rotated out of the second internal thread, after the detachable part is taken out of the outer wall, a hole is left in the outer surface of the outer wall at the embedded part, and the concrete is filled into the hole as shown in the drawing to repair the outer surface of the outer wall to prevent rainwater from entering the outer wall.

[0009] Further, the cantilever formwork support body comprises a cross beam, a support plate, a stand column and a bottom formwork, the support plate is attached to the outer surface of the outer wall, the connecting piece is threadedly connected with the first internal thread and the third internal thread through the support plate, the cross beam is horizontally fixedly connected to the outer side of the support plate, the stand column is vertically fixedly connected to the upper side of the cross beam, and the bottom formwork is horizontally installed at the upper end of the stand column.

[0010] Through the above arrangement, the cross beam supports the bottom formwork through the stand column, so as to cast the cantilever part on the bottom formwork.

[0011] Further, the cantilever formwork support body further comprises a diagonal brace, one end of the diagonal brace is installed on the outer wall, and the other end of the diagonal brace is obliquely upward and fixedly connected with the outer end of the cross beam.

[0012] Through the above arrangement, the bearing capacity of the cross beam is improved.

[0013] Further, the cross beam and the diagonal brace are both made of an I-beam.

[0014] Further, the side of the circular table part away from the embedded pipe is provided with an internal hexagonal groove facilitating disassembly of the detachable part.

[0015] Through the above arrangement, it is convenient to disassemble the detachable part by using a wrench.

[0016] Further, the conical surface is smeared with grease.

[0017] Through the above arrangement, it is convenient to separate the conical surface from the outer wall.

[0018] Further, the embedded part further comprises an anti-pulling plate, the anti-pulling plate is vertically fixedly connected to the end of the embedded pipe away from the detachable part and is embedded in the outer wall.

[0019] Through the above arrangement, the anti-pulling performance of the embedded part is improved.

[0020] Further, the embedded part further comprises a plurality of embedded nails fixedly connected to the outer side of the embedded pipe.

[0021] Through the above arrangement, the anti-pulling performance of the embedded part is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the cantilever formwork support of the embodiment.

[0023] Figure 2 It is Figure 1 an enlarged view of A of

[0024] Figure 3 It is an installation schematic view of the cantilever formwork support of the embodiment.

[0025] Figure 4 It is Figure 3 an enlarged view of B of

[0026] Figure 5 A schematic diagram of concrete repair of an exterior wall. Detailed Implementation

[0027] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0028] like Figures 1 to 5 As shown, a cantilever formwork support includes a cantilever formwork support body 3, embedded parts 4, and connecting parts 5. The embedded parts 4 include embedded pipes 41 embedded in the outer wall 200 and detachable parts 42. The inner side of the embedded pipe 41 is provided with a first internal thread 411 and a second internal thread 412 with a radius larger than the first internal thread 411 along the axial direction. The detachable parts 42 include a threaded pipe portion 421 and a frustum portion 422 fixedly connected to the outer end of the threaded pipe portion 421. The threaded pipe portion 421 is threadedly connected to... In the second internal thread 412, a third internal thread 4211 is provided on the inner side to connect with the first internal thread 411. The outer end of the third internal thread 4211 passes through the frustum portion 422. A conical surface 4221 is provided on the outer periphery of the frustum portion 422. One end of the conical surface 4221 extends to the outer periphery of the end face of the embedded pipe 41, and the other end of the conical surface 4221 is flared and extends to the outer surface of the outer wall. The connector 5 passes through the cantilever support frame body 3 and is threadedly connected to the third internal thread 4211 and the first internal thread 411.

[0029] With the above configuration, the conical surface 4221 makes it easier to remove the detachable part 42 from the outer wall. After removing the cantilevered formwork main body 3 and the detachable part 42, it is convenient to fill concrete into the outer wall to repair the exterior of the outer wall and prevent rainwater from seeping into the outer wall.

[0030] The cantilever formwork frame of this application is applicable to concrete exterior walls. The outer side of the embedded pipe 41 is cylindrical. The end of the embedded pipe 41 facing the outside is coaxially provided with a second internal thread 412. The threaded pipe part 421 is screwed into the second internal thread 412. One end of the truncated cone part 422 is close to the end face of the threaded pipe part 421. The end of the cone surface 4221 with a small radius coincides with the outer periphery of the end face of the threaded pipe part 421. The side of the truncated cone part 422 away from the embedded pipe 41 is flush with the outer surface of the exterior wall. When pouring the exterior wall, the concrete is wrapped around the outside of the embedded part 4. After the concrete solidifies, the embedded part 4 is fixed inside the exterior wall. When installing the cantilever formwork frame body 3, the cantilever formwork frame body 3 is hoisted to the vicinity of the embedded part 4. The connecting piece 5 passes through the cantilever formwork frame body 3 and is tightened in the first internal thread 411 and the third internal thread 4211 to lock the cantilever formwork frame body 3 onto the exterior wall. The cantilever component is poured on the upper side of the cantilever formwork frame body 3.

[0031] After disassembling the connector 5 and the cantilever formwork body 3, rotate the detachable part 42 to unscrew it from the second internal thread 412. After the detachable part 42 is removed from the outer wall, a hole is left on the outer surface of the outer wall at the embedded part 4. Concrete is then filled into the hole. Figure 5As shown, to repair the outer surface of the outer wall, to prevent the rain from the outside into the outer wall.

[0032] As an implementation form, the cantilever formwork support frame body 3 comprises a cross beam 31, a support plate 32, a stand column 33 and a bottom form 34, the support plate 32 is attached to the outer surface of the outer wall, the connecting piece 5 is screwed with the first internal thread 411 and the third internal thread 4211 through the support plate 32, the cross beam 31 is horizontally fixedly connected to the outer side of the support plate 32, the stand column 33 is vertically fixedly connected to the upper side of the cross beam 31, and the bottom form 34 is horizontally installed at the upper end of the stand column 33.

[0033] Through the above setting, the cross beam 31 supports the bottom form 34 through the stand column 33, so as to cast the cantilever part on the bottom form 34.

[0034] As an implementation form, the cantilever formwork support frame body 3 further comprises a diagonal brace 35, one end of the diagonal brace 35 is installed on the outer wall, and the other end of the diagonal brace 35 is obliquely upward and fixedly connected with the outer end of the cross beam 31.

[0035] Through the above setting, the carrying capacity of the cross beam 31 is improved.

[0036] The included angle between the diagonal brace 35 and the cross beam 31 of the present application is greater than 30 degrees and less than 50 degrees, and the connection mode between the lower end of the diagonal brace 35 and the outer wall is referred to the connection mode between the cross beam 31 and the outer wall.

[0037] As an implementation form, the cross beam 31 and the diagonal brace 35 are both made of an I-shaped steel.

[0038] As an implementation form, the side of the circular table part 422 away from the embedded pipe 41 is provided with an internal hexagonal groove 4222 facilitating dismounting of the detachable part 42.

[0039] Through the above setting, it is convenient to dismount the detachable part 42 by using a wrench.

[0040] As an implementation form, the conical surface 4221 is smeared with grease.

[0041] Through the above setting, it is convenient to separate the conical surface 4221 from the outer wall.

[0042] As an implementation form, the embedded part 4 further comprises an anti-pulling plate 43, the anti-pulling plate 43 is vertically fixedly connected to the end of the embedded pipe 41 away from the detachable part 42 and is embedded in the outer wall.

[0043] Through the above setting, the anti-pulling performance of the embedded part 4 is improved.

[0044] As an implementation form, the embedded part 4 further comprises a plurality of embedded nails 44 fixedly connected to the outer side of the embedded pipe 41.

[0045] Through the above setting, the anti-pulling performance of the embedded part 4 is further improved.

[0046] It should be understood that all of these improvements and modifications can be made to and from the above description and fall within the scope of the application.

Claims

1. A cantilevered formwork support, characterized in that, The device includes a cantilevered formwork support body, embedded parts, and connectors. The embedded parts include an embedded pipe embedded in the exterior wall and a detachable part. The embedded pipe has a first internal thread along the axial direction and a second internal thread with a radius larger than the first internal thread. The detachable part includes a threaded pipe portion and a frustum portion fixedly connected to the outer end of the threaded pipe portion. The threaded pipe portion is threaded into the second internal thread and has a third internal thread on its inner side that connects with the first internal thread. The outer end of the third internal thread passes through the frustum portion. The frustum portion has a conical surface on its outer periphery. One end of the conical surface extends to the outer periphery of the embedded pipe end face, and the other end of the conical surface flares out and extends to the outer surface of the exterior wall. The connector passes through the cantilevered formwork support body and is threadedly connected to the third internal thread and the first internal thread.

2. The cantilever formwork support according to claim 1, characterized in that, The cantilevered formwork frame includes a crossbeam, a support plate, a column, and a bottom formwork. The support plate is attached to the outer surface of the exterior wall. The connector passes through the support plate and is threaded to the first internal thread and the third internal thread. The crossbeam is horizontally fixed to the outside of the support plate. The column is vertically fixed to the upper side of the crossbeam. The bottom formwork is horizontally installed on the upper end of the column.

3. A cantilevered formwork support according to claim 2, characterized in that, The cantilevered formwork frame also includes a diagonal brace, one end of which is installed on the outer wall, and the other end of which is inclined upward and fixedly connected to the outer end of the crossbeam.

4. A cantilevered formwork support according to claim 3, characterized in that, Both the crossbeam and the diagonal brace are made of I-beams.

5. A cantilevered formwork support according to claim 1, characterized in that, The frustum portion is provided with an internal hexagonal groove on the side away from the pre-embedded pipe to facilitate the disassembly of the detachable component.

6. A cantilevered formwork support according to claim 1, characterized in that, The cone surface is coated with grease.

7. A cantilevered formwork support according to claim 1, characterized in that, The embedded part also includes a pull-out plate, which is vertically fixedly connected to the end of the embedded pipe away from the detachable part and embedded in the outer wall.

8. A cantilevered formwork support according to claim 1, characterized in that, The embedded component also includes multiple embedded nails that are fixedly connected to the outside of the embedded pipe.

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