CN215055126U

CN215055126U - Cantilever formwork operation platform

Info

Publication number: CN215055126U
Application number: CN202121206446.1U
Authority: CN
Inventors: 夏葵; 黄尚珩; 何晓彤; 吴思聪; 刘启超; 李�杰; 冉续; 凌书
Original assignee: Chengdu Third Construction Engineering Co ltd Of Cdceg
Current assignee: Chengdu Third Construction Engineering Co ltd Of Cdceg
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-07
Anticipated expiration: 2031-06-01

Abstract

The utility model belongs to the technical field of the construction, concretely relates to cantilever formwork operation platform, including the fixed lower formwork frame that sets up in the wall structure, lower formwork frame and cantilever frame form the structure of encorbelmenting, and the cantilever frame downside is provided with supporting component, and supporting component includes the frame type structure that comprises support column, bottom plate and an upper fixed plate, and bottom plate and an upper fixed plate are equipped with the spout, are equipped with movable support column in the spout, the middle part and the first steel wire fixed connection of movable support column, the other end cantilever frame of first steel wire is close to the one end fixed connection of lower formwork. Through supporting component's setting, supporting component's middle part atress has the deformation volume of past evagination, has increased supporting component's height, and balanced load has lead to the deformation volume that the frame of encorbelmenting was pressed down to along with the promotion of load quality, the high promotion of fulcrum is big more, and the deformation volume that the frame of equilibrizing was pressed down is just big more, makes stability obtain improving, makes the biggest load obtain promoting.

Description

Cantilever formwork operation platform

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to cantilever formwork operation platform.

Background

In recent years, for handsome in appearance, high-rise building or foreign building class building roofing or above common design have the framework layer, this framework layer height is general 4m, and the protrusion outer wall reaches the concrete structure of encorbelmenting of 2.5m, need use the structure of encorbelmenting of large-span as the support in the work progress, traditional scaffold frame of encorbelmenting is encorbelment less in length outward, and only bear less load such as platform dead weight, operation workman, a small amount of material and instrument, meet high altitude large-span and encorbelment, when needing to bear dead weight and great construction load, often adopt the mode of oblique pull wire rope and lower part bracing uninstallation to handle.

An operation platform and a pre-buried steel wire rope anchor ring are required to be built by adopting the cable-stayed steel wire rope, so that the construction period is long, the construction is difficult and the safety risk is high; the lower inclined strut is adopted for unloading, a material integral component needs to be prefabricated in advance, and then the lower inclined strut is hoisted to a construction site for reinforcement, so that the manufacturing cost is high and the operation is difficult; therefore, the problems of stranded operators, complex technical schemes, difficult construction and the like often occur if a large-span cantilever type support erection platform is encountered.

In addition, because wall structure is equipped with the parapet more, if adopt tiling roof formula installation I-steel of encorbelmenting, the I-steel of encorbelmenting need pass through the parapet to can lead to the parapet to open a hole, and the predominant action of parapet on building is waterproof receipts head, and fixed felt or waterproofing membrane use, and open a hole and still probably lead to the fact destruction to the atress reinforcing bar of parapet, consequently, the utility model provides an encorbelment a formwork operation platform avoids opening a hole of parapet, and is applicable to the overhanging type support that longspan erects.

Disclosure of Invention

In order to solve the problem, the utility model provides an encorbelment formwork operation platform.

The utility model adopts the technical proposal that: an overhanging formwork operation platform comprises a lower formwork fixedly arranged on a wall structure, wherein the upper side of the lower formwork is fixedly connected with one end of the lower side of an overhanging frame to form an overhanging structure, and a support assembly fixedly arranged on the wall structure is arranged at the position, close to the lower formwork, of the lower side of the overhanging frame;

the supporting component comprises a frame structure consisting of supporting columns, a lower fixing plate and an upper fixing plate, wherein the upper side of the lower fixing plate and the lower side of the upper fixing plate are provided with chutes with opposite positions, the slotting direction of the chutes is the same as the direction in which the cantilever frame extends outwards of the wall structure, a plurality of lengths are arranged in the chutes and are greater than the vertical distance between the bottoms of the chutes and the movable supporting columns in an inclined shape, the middle parts of the movable supporting columns are fixedly connected with one ends of first steel wires, and the other ends of the first steel wires and the cantilever frame are close to one ends of the lower die carrier in a fixed connection mode.

Furthermore, a lower fixing plate in the supporting assembly is fixedly arranged at the top end of the parapet wall at the edge of the wall structure.

Furthermore, one side of the support assembly, the parapet wall and the wall structure, which is far away from the lower support formwork, is fixedly connected with the fixed steel beam.

Furthermore, one end of the cantilever frame, which is close to the lower support frame, is fixedly provided with one end of a second steel wire, and the other end of the second steel wire is fixedly connected with the bottom end of the parapet wall.

Furthermore, the fixed steel beam and the parapet are provided with a fixed bolt at the bottom end of the parapet in a penetrating manner, and the fixed bolt is fixedly connected with the other end of the second steel wire.

Furthermore, an upper support frame is fixedly arranged on the upper side of the cantilever frame, and one end of the second steel wire is fixedly connected with the top of one end, close to the lower support frame (4), of the upper support frame.

Furthermore, the lower side of the lower support formwork is fixedly arranged on the anchoring plate, and the anchoring plate is fixedly connected with the embedded bolts in the wall structure.

Furthermore, at least three embedded bolts are fixedly connected with the anchoring plate.

Furthermore, an upper support frame is fixedly arranged on the upper side of the cantilever frame, and the other end of the first steel wire is fixedly connected with one end, close to the lower support frame, of the upper support frame.

Furthermore, a first turn buckle is arranged on the first steel wire.

The utility model discloses following beneficial effect has:

1. the utility model discloses a supporting component's setting, when there is load on the cantilever frame, the activity support column among the first steel wire pulling supporting component, and make the activity support column slide, make supporting component's middle part have toward the convex deformation volume of outside, supporting component's height has been increased, balanced the deformation volume that the cantilever frame that the load leads to was pressed down toward the outer part that extends of wall structure, the tension that the fixed connection position department of having alleviated lower die carrier and wall structure received, and along with the promotion of load mass, the high promotion of fulcrum is big more, the deformation volume that balanced cantilever frame was pressed down is just big more, make stability obtain the improvement, make the biggest load volume obtain promoting.

2. Through setting up supporting component on the parapet, can avoid causing destruction to the opening of parapet on the one hand, on the other hand can utilize the high bearing capacity that the parapet has to play the supporting role, it is right the utility model discloses a setting is safe favourable more.

3. Through the setting of second steel wire 8, when there is load on the cantilever frame, the second steel wire can balance the ascending power of the one end that the cantilever frame is close to lower die carrier for the load capacity of cantilever frame has obtained the promotion, and, the bottom fixed connection of second steel wire and parapet, produce an ascending power to the bottom of parapet, offset the gravity that some parapet received and influence.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural view of a resistance device in embodiment 2.

The reference numbers are as follows: 1-a wall structure, 2-embedded bolts, 3-an anchoring plate, 4-a lower formwork, 5-a cantilever frame, 6-a first steel wire, 7-a first turn buckle, 8-a second steel wire, 9-a second turn buckle, 10-an upper formwork, 11-a roof framework, 12-a wall connecting piece, 13-an outer formwork, 14-a fixed steel beam, 15-a supporting component, 16-a parapet, 17-a lower fixing plate, 18-a supporting column, 19-an upper fixing plate and 20-a movable supporting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

As shown in fig. 1 and 2, an overhanging formwork operation platform includes a lower formwork 4 fixedly disposed on a wall structure 1, wherein an upper side of the lower formwork 4 is fixedly connected with one end of a lower side of an overhanging frame 5 to form an overhanging structure, and a support assembly 15 fixedly disposed on the wall structure 1 is disposed at a position of the lower side of the overhanging frame 5 close to the lower formwork 4;

the supporting component 15 comprises a frame structure formed by supporting columns 18, a lower fixing plate 17 and an upper fixing plate 19, sliding grooves with opposite positions are arranged on the upper side of the lower fixing plate 17 and the lower side of the upper fixing plate 19, the slotting direction of the sliding grooves is the same as the direction of the cantilever frame 5 extending out of the wall body structure 1, a plurality of movable supporting columns 20 with the length larger than the vertical distance between the bottoms of the sliding grooves are arranged in the sliding grooves, and the adjacent movable supporting columns 20 are preferably symmetrically inclined, the middle part of the movable supporting column 20 farthest from the lower die carrier 4 is preferably fixedly connected with one end of the first steel wire 6, the inclination angle range between the middle part of the movable supporting column 20 farthest from the lower die carrier 4 and the horizontal plane is preferably 90-180 degrees, the other end of the first steel wire 6 is fixedly connected with one end of the cantilever frame 5 close to the lower die carrier 4, and preferably the first steel wire 6 is in a vertical state with respect to a movable supporting pillar 20 farthest from the lower mold frame 4.

From the structure, the utility model discloses a set up the lower die carrier 4 and the frame 5 of encorbelmenting the structure form to on wall structure 1, and be provided with fixed supporting component 15 that sets up on wall structure 1 at the frame 5 downside of encorbelmenting, it can be seen that supporting component 15 is equivalent to a atress fulcrum, there is the workman when the part that the frame 5 of encorbelmenting extended toward wall structure 1, during loads such as material, certain gravity can be through the frame 5 of encorbelmenting to produced, and use supporting component 15 to transmit the fixed connection position department of lower die carrier 4 and wall structure 1 as the fulcrum, and along with the quality promotion of load, the tension that lower die carrier 4 and wall structure 1's fixed connection position department received is big more. The utility model provides a supporting component 15 includes the frame type structure that comprises support column 18, bottom plate 17 and an upper fixed plate 19, and bottom plate 17 and upper fixed plate 19 are equipped with the spout that the position is relative, be equipped with movable support column 20 in the spout, movable support column 20 and the one end that cantilever 5 is close to bottom suspension form 4 all are connected with first steel wire 6, when there is load on the part that cantilever 5 extends toward wall structure 1 is outer, the one end that cantilever 5 is close to bottom suspension form 4 can tilt up, first steel wire 6 atress can produce the pulling force of one toward formwork 4 direction to movable support column 20 after the tilt up, and because movable support column 20 sets up at the middle part of frame type structure, the effect of pulling force can lead to the middle part of bottom plate 17 and upper fixed plate 19 to produce the deformation of certain toward the outside side, make supporting component 15 highly promote, supporting component 15 has obtained the height as the fulcrum promptly, and the high promotion of fulcrum can make the part that cantilever 5 extends toward wall structure 1 external rise, and the deformation volume that the part that has balanced cantilever 5 that the load leads to extends toward wall structure 1 external is suppressed has alleviated the tension that receives in the fixed connection position department of lower die carrier 4 and wall structure 1, and along with the promotion of load quality, the high promotion of fulcrum is big more, and the deformation volume that balanced cantilever 5 was suppressed is just big more, makes stability obtain improving, makes the biggest load obtain promoting.

As shown in fig. 1, as a preferred scheme, the lower fixing plate 17 in the supporting component 15 is fixedly arranged on the top end of the parapet 16 at the edge of the wall structure 1, and by arranging the supporting component 15 on the parapet 16, on one hand, the hole opening of the parapet 16 can be prevented from being damaged, and on the other hand, the high bearing capacity of the parapet 16 can be utilized to play a supporting role, which is safer and more beneficial to the arrangement of the utility model.

As shown in fig. 1, as a preferable scheme, the supporting component 15, the parapet wall 16 and one side of the wall structure 1 far from the lower formwork 4 are all fixedly connected with the fixing steel beam 14, and since the first steel wire 6 can generate a pulling force in a transverse direction to the supporting component 15, the parapet wall 16 and the wall structure 1 are fixed by using the fixing steel beam 14, so that the situation that the top ends of the supporting component 15 and the parapet wall 16 are displaced or even separated due to the pulling force can be well avoided.

As shown in fig. 1, as a preferable scheme, one end of the cantilever 5 close to the lower formwork 4 is fixedly provided with one end of a second steel wire 8, the other end of the second steel wire 8 is fixedly connected with the bottom end of the parapet 16, when a load exists on the cantilever 5, one end of the cantilever 5 close to the lower formwork 4 tilts upwards, the downward acting force of the load is relieved through the downward pulling force of the second steel wire 8, so that the load capacity of the cantilever 5 is improved, and the bottom end of the second steel wire 8 is fixedly connected with the bottom end of the parapet 16, so that an upward force is generated on the bottom end of the parapet 16 to offset the influence of gravity on a part of the parapet 16.

As shown in fig. 1, as a preferable scheme, a fixing bolt penetrates through the fixing steel beam 14 and the parapet 16 at the bottom end position of the parapet 16, the fixing bolt is fixedly connected with the other end of the second steel wire 8, the second steel wire 8 is fixedly connected with the fixing steel beam 14, and the fixing steel beam 14 is fixedly connected with the wall structure 1, so that the safety and stability are further improved.

As shown in fig. 1, as a preferable scheme, an upper supporting formwork 10 and an outer supporting formwork 13 for installing a roof framework 11 are fixedly arranged on the upper side of the cantilever frame 5, and the roof framework 11 and the outer supporting formwork 13 are fixed through a wall connecting piece 12, which are all in the prior art and are not described in an excessive way. One end of the second steel wire 8 and one end top fixed connection of the upper supporting frame 10 close to the lower supporting frame 4, and compared with one end of the second steel wire 8 and one end of the cantilever frame 5 close to the lower supporting frame 4, the included angle between the second steel wire 8 and the horizontal plane is larger due to the arrangement, when a load is applied to the cantilever frame 5, the arrangement is more favorable for transmitting the upward lifting force of one end of the cantilever frame 5 close to the lower supporting frame 4 to the parapet 16 through the second steel wire 8.

As shown in fig. 1, as a preferable scheme, the lower side of the lower formwork 4 is fixedly arranged on an anchoring plate 3, the anchoring plate 3 is fixedly connected with an embedded bolt 2 in a wall structure 1, and the arrangement of the anchoring plate 3 and the embedded bolt 2 enables the safety and stability to be better; at least three embedded bolts 2 are fixedly connected with the anchoring plate 3 to meet the lowest safety requirement, and the embedded bolts 2 are preferably U-shaped bolts.

As shown in fig. 1, as a preferable mode, the upper side of the cantilever 5 is fixedly provided with the upper mold frame 10, the other end of the first steel wire 6 is fixedly connected with one end of the upper mold frame 10 close to the lower mold frame 4, compared with the fixed connection of the other end of the first steel wire 6 and one end of the cantilever 5 close to the lower mold frame 4, the arrangement makes the included angle between the first steel wire 6 and the horizontal plane larger, this arrangement is more advantageous in transmitting the upward lifting force of the cantilever 5 near the end of the lower formwork 4 to the support assembly 15 through the first wire 6 when the cantilever 5 is loaded, it being noted that the first wire 6 is connected to the one movable support post 20 farthest from the lower formwork 4, the first wire 6 is preferably not cross-overlapped with the other movable support posts 20, i.e. the first steel wire 6 is at an angle to the extension of the cantilever 5 towards the wall structure 1 in the horizontal plane.

As shown in fig. 1, as a preferable scheme, a first basket bolt 7 is arranged on the first steel wire 6, a second basket bolt 9 is arranged on the second steel wire 8, and both the first basket bolt 7 and the second basket bolt 9 have the functions of tightening steel wires and are commonly used basket bolts.

In order to further point out the application method of the utility model by combining the above, firstly, the proper position is determined, the anchoring plate 3 and the lower formwork frame 4 are fixedly installed by the pre-embedded bolt 2, then the supporting component 15 is fixedly arranged on the parapet 16, and the bolt can be adopted for fixing, because the fixing steel beam 14 is fixedly connected with the supporting component 15, the parapet 16 and the wall structure 1 by the bolt, the supporting component 15 can not be fixed on the parapet 16 by the bolt, after the fixing is finished, the cantilever frame 5 is arranged on the lower formwork frame 4, the height of the side of the cantilever frame 5 far away from the lower formwork frame 4 is higher than the height of the side of the cantilever frame 5 near the lower formwork frame 4, then the upper formwork frame 10 and the outer formwork 13 are installed, and the top of the end of the second steel wire 8 and the top of the end of the upper formwork 10 near the lower formwork frame 4 are fixedly connected, the other end of the second steel wire 8 is fixed with the fixing bolt at the bottom end of the parapet 16, the middle part of a movable support column 20 farthest from the lower die carrier 4 is fixedly connected with one end of a first steel wire 6, the other end of the first steel wire 6 is fixedly connected with one end of an upper die carrier 10 close to the lower die carrier 4, and the steel wires are tightened under the action of a first basket bolt 7 and a second basket bolt 9 after connection, so that the movable support frame can be used.

When the part of the cantilever frame 5 extending out of the wall structure 1 has loads of workers, materials and the like, certain gravity is generated and can pass through the cantilever frame 5 and be transmitted to one end of the cantilever frame 5 close to the lower die carrier 4 by taking the supporting component 15 as a fulcrum, one end of the cantilever frame 5 close to the lower die carrier 4 has an upward force, the first steel wire 6 and the second steel wire 8 are pulled upwards, when the first steel wire 6 is pulled, the pulling force drives the movable supporting column 20 to slide, so that an included angle between the movable supporting column 20 and a vertical line is reduced, the middle parts of the lower fixing plate 17 and the upper fixing plate 19 generate certain deformation quantity protruding outwards, the height of the supporting component 15 is increased, namely the height of the supporting component 15 serving as the fulcrum is increased, the height of the fulcrum is increased, the part of the cantilever frame 5 extending out of the wall structure 1 is increased, and the deformation quantity of the part of the cantilever frame 5 extending out of the wall structure 1, caused by load, is balanced, the tension on the fixed connection position of the lower support frame 4 and the wall structure 1 is relieved, along with the lifting of the load quality, the larger the height of the fulcrum is, the larger the deformation amount of the balance cantilever frame 5 which is pressed down is, the stability is improved, and the maximum load is lifted. When the second steel wire 8 is pulled, the bottom ends of the second steel wire 8 and the parapet wall 16 are fixedly connected, a downward pulling force is applied to the second steel wire 8, an upward force of one end, close to the lower formwork 4, of the cantilever frame 5 is balanced, the load capacity of the cantilever frame 5 is improved, in addition, the bottom ends of the second steel wire 8 and the parapet wall 16 are fixedly connected, an upward force is generated to the bottom end of the parapet wall 16, and the influence of gravity on a part of the parapet wall 16 is counteracted.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various changes, modifications, amendments, and substitutions made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a formwork operation platform encorbelments which characterized in that: the cantilever type wall structure comprises a lower formwork (4) fixedly arranged on a wall structure (1), wherein the upper side of the lower formwork (4) is fixedly connected with one end of the lower side of a cantilever frame (5) to form a cantilever structure, a supporting component (15) is arranged at the position, close to the lower formwork (4), of the lower side of the cantilever frame (5), and the supporting component (15) is fixedly arranged on the wall structure (1);

the support assembly (15) includes the frame type structure that comprises support column (18), bottom plate (17) and upper fixed plate (19), bottom plate (17) upside and upper fixed plate (19) downside are equipped with the relative spout in position, the fluting direction of spout with cantilever frame (5) toward the direction that wall structure (1) extend outward is the same, be equipped with a plurality of in the spout and be the activity support column (20) of slope form, the length of activity support column (20) is greater than vertical distance between the spout tank bottom, the middle part of activity support column (20) and the one end fixed connection of first steel wire (6), the other end of first steel wire (6) with cantilever frame (5) are close to the one end fixed connection of lower die carrier (4).

2. The cantilever formwork operation platform of claim 1, wherein: and a lower fixing plate (17) in the supporting assembly (15) is fixedly arranged at the top end of a parapet wall (16) at the edge of the wall structure (1).

3. The cantilever formwork operation platform of claim 2, wherein: and one sides of the support assembly (15), the parapet wall (16) and the wall structure (1) far away from the lower support formwork (4) are fixedly connected with the fixed steel beam (14).

4. The cantilever formwork operation platform of claim 3, wherein: one end of the cantilever frame (5) close to the lower support frame (4) is fixedly provided with one end of a second steel wire (8), and the other end of the second steel wire (8) is fixedly connected with the bottom end of the parapet wall (16).

5. The cantilever formwork operation platform of claim 4, wherein: and the fixed steel beam (14) and the parapet (16) are provided with a fixed bolt at the bottom end position of the parapet (16) in a penetrating manner, and the fixed bolt is fixedly connected with the other end of the second steel wire (8).

6. The cantilever formwork operation platform of claim 4, wherein: an upper support frame (10) is fixedly arranged on the upper side of the cantilever frame (5), and one end of the second steel wire (8) is fixedly connected with the top of the end, close to the lower support frame (4), of the upper support frame (10).

7. The cantilever formwork operation platform according to any one of claims 1 to 6, wherein: the lower side of the lower support frame (4) is fixedly arranged on an anchoring plate (3), and the anchoring plate (3) is fixedly connected with an embedded bolt (2) in the wall structure (1).

8. The cantilever formwork operation platform of claim 7, wherein: at least three embedded bolts (2) are fixedly connected with the anchoring plate (3).

9. The cantilever formwork operation platform according to any one of claims 1 to 6, wherein: an upper support frame (10) is fixedly arranged on the upper side of the cantilever frame (5), and the other end of the first steel wire (6) is fixedly connected with one end, close to the lower support frame (4), of the upper support frame (10).

10. The cantilever formwork operation platform according to any one of claims 1 to 6, wherein: the first steel wire (6) is provided with a first turn buckle (7).