CN218881711U - Do not need to return top conversion bearing structure - Google Patents

Abstract

The utility model discloses an exempt from to return top conversion bearing structure contains connects the support base on foundation structure, connects a set of standard festival on supporting the base and connects in the conversion festival at standard festival top. The utility model discloses a setting of supporting the base does benefit to the reliable connection of guaranteeing bearing structure bottom and basis to the standard festival on for the upper portion provides the installation basis. Through the arrangement of the standard knot, the interlayer height in the building can be adapted, and the selectivity of the supporting height is ensured; through the arrangement of the conversion joints, the contact area of the beam support is increased, and the force is transmitted to the beam, the column and the floor support plate; thereby reducing the back-jacking measures needed for supporting the lower layer; through the arrangement of the bearing frame and the cutting board, the bearing frame is connected with the main support column and the secondary support column of the conversion joint through the connecting bayonet lock; the cutting board is finally adjusted and supported.

Description

A support structure without back-to-top conversion

technical field

The utility model belongs to the technical field of building support, and in particular relates to a support structure without back-to-top conversion.

Background technique

In the conventional construction process, when the beam is erected, it is considered that the concrete beam or steel beam will deflect after bearing the load, which will affect the construction quality. Usually, support back to the top is made at the position of one to two floors under the beam to meet the construction requirements. Supported backing is often used in the construction of columns on beams in steel-concrete structures. During the construction of columns on beams, the weight of steel columns is relatively large, and the downward deflection of load-bearing beams or floor decks is relatively large. Therefore, during construction, the support is used under the beam, and the roof is made on the lower layer of the support. Usually, the scaffolding has poor load-bearing capacity and cannot be used for roofing. During the construction, it is necessary to remove the scaffolding first and then take back-up measures under the beam. After installing the back-up measures, use hydraulic equipment to arch. The construction process of the conventional construction method is cumbersome and the operation is complicated. Therefore, it is necessary to design a supporting structure with little or no back-up, so as to reduce the construction amount and capital investment. Improve construction efficiency and reduce construction costs.

Utility model content

The utility model provides a back-up-free conversion support structure, which is used to solve technical problems such as back-up free, back-up free structure design and connection under the beam body.

In order to achieve the above object, the utility model adopts the following technical solutions:

A back-to-top conversion support structure, comprising a support base connected to the base structure, a set of standard sections connected to the support base, and a conversion section connected to the top of the standard sections;

The conversion section includes two parallel main support columns of the conversion section, two parallel sub-support columns of the conversion section, a conversion section connected to the main support column of each conversion section, the bottom end of the sub-support column of the conversion section, and the top end of the main support column of the conversion section. joint connection bayonet, the pedal connected to the inside of the rectangular frame enclosed by the main support column of the transition section and the sub-support column of the transition section, the load-bearing frame connected to the top of the main support column of the transition section, and the bracket connected between the load-bearing frame and the main support column of the transition section The diagonal brace of the conversion section and the knife plate connected to the top of the load-bearing frame.

Further, the supporting base includes a supporting base sub-bracket, a supporting base main bracket, a supporting base embedded part connected to the supporting base sub-bracket and the extended end of the supporting base main bracket, and a connecting part connected to the junction of the supporting base sub-bracket and the supporting base main bracket The bayonet and the bayonet nut arranged on the top of the connecting bayonet.

Further, the sub-support of the support base and the main support of the support base are arranged in a well shape, and are all made of I-shaped steel parts or square-shaped steel parts.

Further, the embedded part of the support base includes the top plate of the embedded part and the anchor rod of the embedded part. The top plate of the embedded part is connected to the sub-support of the support base and the bottom of the main support of the support base. It is a floor, bottom slab or beam body.

Further, the standard section includes a standard section main frame and a standard section connecting bayonet connected to the standard section main frame.

Further, the standard section is in the shape of a rectangular frame and includes four uprights and crossbeams and diagonal braces connected between the uprights. The uprights are made of square steel pipes, and each side of the uprights is provided with standard section connections Bayonet, the standard joint connection bayonet includes a cartridge connected to the column and a T-shaped pin rod inside the cartridge.

Further, the connection bayonet pin of the conversion section at the bottom is set corresponding to the connection bayonet pin of the standard section on the standard section, and the connection bayonet pin of the conversion section at the top is set corresponding to the load-bearing frame; the connection bayonet pin of the conversion section includes the card cartridge and the T-shaped pin rod.

Further, the sub-transverse support frame of the conversion node is connected between the top of the sub-transverse support frame of the conversion node and the main lateral support frame of the conversion node, and the sub-transverse support frame of the conversion node is vertically spaced from the main lateral support frame of the conversion node. Sectional transverse support frame; the strength and size of the main transverse support frame of the conversion section are greater than the strength and size of the secondary transverse support frame connecting the conversion section.

Further, the load-bearing frame is connected to the top of the main support column of the transition section, and the load-bearing frame is an I-shaped part; a knife plate is arranged at the center line of the top of the load-bearing frame; Disconnect the connection.

The beneficial effects of the utility model are reflected in:

1) Through the setting of the supporting base, the utility model is beneficial to ensure the reliable connection between the bottom of the supporting structure and the foundation, and provides the installation foundation for the upper standard section;

2) Through the setting of standard joints, the utility model is conducive to adapting to the height of the interior of the building and ensuring the selectivity of the support height; through the setting of conversion joints, it is beneficial to increase the contact area of the beam support and transmit the force to the beams, columns, and floors. Supporting plate; thereby reducing the need to do back-up measures to support the lower floor;

3) The utility model adopts the setting of the load-bearing frame and the knife plate, and the load-bearing frame is connected with the main support column of the conversion section and the secondary support column of the conversion section through the connection bayonet; the knife plate is finally adjusted and supported.

Other features and advantages of the present utility model will be set forth in the following description, and partly become obvious from the description, or can be understood by implementing the present utility model; the main purpose and other advantages of the present utility model can be obtained through the Specially indicated programs to achieve and obtain.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a back-to-back conversion support structure;

Fig. 2 is a schematic diagram of the structure of the support base;

Figure 3 is a schematic diagram of the structure of the embedded parts of the supporting base;

Figure 4 is a schematic diagram of the standard section structure;

Fig. 5 is a schematic diagram of the structure of the conversion section.

Reference signs: 1-support base, 11-embedded part of support base, 111-embedded top plate, 112-embedded anchor rod, 12-sub-support of support base, 13-main support of support base, 14-connection bayonet, 15 - Bayonet nut, 2-standard section, 21-main frame of standard section, 22-connection bayonet of standard section, 3-transition section, 31-connection bayonet of conversion section, 32-secondary lateral support frame of conversion section, 33-ladder , 34-main support column of conversion section, 35-secondary support column of conversion section, 36-pedal, 37-main horizontal support frame of conversion section, 38-slant brace of conversion section, 39-bearing frame, 310-knife board, 4-foundation structure.

Detailed ways

Taking the lower support of a certain beam body as an example, as shown in Figures 1 to 5, a support structure without back-to-top conversion includes a support base 1 connected to the basic structure 4, a set of standard joints connected to the support base 1 2 and the conversion section 3 connected on top of the standard section 2.

In this embodiment, the support base 1 includes a support base sub-support 12, a support base main support 13, a support base embedded part 11 connected to the support base sub-support 12 and the extended end of the support base main support 13, and a support base embedded part 11 connected to the support base sub-support 12. The connection bayonet 14 at the junction with the main bracket 13 of the supporting base and the bayonet nut 15 arranged on the top of the connection bayonet 14 . The sub-support 12 of the support base and the main support 13 of the support base are arranged in a well-shaped shape, and are all made of I-shaped steel parts or square-shaped steel parts.

Wherein, the support base embedded part 11 comprises the embedded part top plate 111 and the embedded part anchor rod 112, and the embedded part top plate 111 is connected to the support base secondary support 12 and the bottom of the support base main support 13, and the embedded part anchor rod 112 is connected to the base structure 4 connections, the base structure 4 is a floor, a bottom slab or a beam body.

In this embodiment, the standard section 2 includes a standard section main frame 21 and a standard section connection bayonet 22 connected to the standard section main frame 21 . The standard section 2 is in the shape of a rectangular frame and includes four uprights and crossbeams and diagonal braces connected between the uprights. The uprights are made of square steel pipes, and each side of the uprights is equipped with a standard section connection bayonet on both sides. 22. The standard joint connection bayonet 22 includes a cartridge connected to the column and a T-shaped pin rod inside the cartridge.

In this embodiment, the transition section 3 includes two parallel transition section main support columns 34, two parallel transition section sub-support columns, connected to each transition section main support column 34 and the bottom end of the transition section sub-support column 35 and the transition section The conversion joint at the top of the main support column 34 is connected to the bayonet pin 31, the pedal 36 connected to the inside of the rectangular frame enclosed by the main support column 34 of the conversion joint and the secondary support column of the replacement joint, the load-bearing frame 39 connected to the top of the main support column 34 of the conversion joint, The transfer joint brace 38 connected between the bearing frame 39 and the main support column 34 of the transfer joint, and the knife plate 310 connected to the top of the bearing frame 39 .

In this embodiment, the conversion joint connection bayonet pin 31 at the bottom corresponds to the standard joint connection bayonet pin 22 on the standard joint 2, and the conversion joint connection bayonet pin 31 at the top corresponds to the bearing frame 39; the conversion joint connection bayonet pin 31 includes a card barrel and the T-shaped pin rod in the cartridge. The transition section sub-transverse support frame 32 is connected between the top of the transition section sub-transverse support frame 32 and the transition section main transverse support frame 37, and the transition section sub-transverse support frame 32 is vertically separated from the transition section main transverse support frame 37 The secondary transverse support frame 32 is connected to the conversion section; The load-bearing frame 39 is connected to the top of the main support column 34 of the conversion section, and the load-bearing frame 39 is an I-shaped part; the centerline position of the top of the load-bearing frame 39 is provided with a knife plate 310; the knife plate 310 is a linear plate, and the knife plate 310 is adapted to the upper The supporting structure is detachably connected.

During construction and installation, the support base embedded parts 11 are placed at the steel beam, concrete beam, or floor deck; the support base embedded parts 11 are placed in the concrete beam during construction of the concrete beam. Weld the main bracket 13 of the support base, the sub-support 12 of the support base and the embedded part 11 of the support base to ensure the stability of the support structure.

Secondly, the embedded parts of the supporting base are the stable foundation of the structure. There are 8 embedded parts in total, and the embedded parts are divided into two parts, the embedded part top plate 111 and the embedded part anchor rod 112 . The embedded part top plate 111 is responsible for welding with the supporting base 1, and the embedded part anchor rod 112 is embedded in the concrete beam to increase the structural stability. The anchor rod 112 of the embedded part is connected with the top plate 111 of the embedded part by welding.

In this embodiment, the supporting base sub-bracket 12 and the supporting base main bracket 13 are the main structures for conducting force. The supporting base main bracket 13 is composed of two usual H-shaped steels, and the supporting base sub-bracket 12 is welded to the supporting base by three sections of H-shaped steel. On the main support 13. The connecting bayonet 14 and the bayonet nut 15 are installation structures used to connect the support base 1 and the standard joint 2 . After inserting the connecting bayonet 14 into the slot of the standard section 2, tighten the bayonet nut 15. A connection bayonet 14 for connection with the standard section 2 is reserved on the support base 1 to ensure subsequent assembly accuracy.

In this embodiment, the support base 1 is adjusted so that the support base 1 rests on as many beams as possible, or positions close to columns. The supporting base 1 is welded with the embedded parts. Install the standard section 2 at the bayonet position of the support base 1. The main frame 21 of the standard section is 2.5 meters high, and the standard section 2 with an appropriate number of sections is selected according to the construction height. The standard sections 2 are connected with connecting bayonet pins 14 . Install conversion section 3 on standard section 2. The load-bearing frame 39 is installed through the position of the slot on the conversion section 3 .

In this embodiment, there are 8 connection bayonet pins 31 for the connection of the transformation section, and there are 8 connection bayonet pins 31 for the connection section of the transformation section, which are responsible for connecting with the standard section 2 . The horizontal support frame 32 of the conversion section is composed of square steel pipes. The number of layers is increased according to the height of the conversion section 3. Each layer of the horizontal support frame 32 of the conversion section is composed of 4 steel pipes, which increases the structural stability. .

In this embodiment, the load-bearing frame 39 is connected to the main support column 34 of the conversion section and the sub-support column 35 of the conversion section through the connection bayonet pin 14 . The knife plate 310 is the final adjustment and support function, and the knife plate 310 is welded to the support frame. Ladder 33 is welded and assembled by square steel pipe and round steel, which provides a stable climbing passage for workers who install load-bearing frame 39 or adjust knife plate 310 to operate. Pedal 36 operates on conversion joint 3 for the convenience of the worker.

In this embodiment, the main support column 34 of the conversion section and the secondary support column 35 of the conversion section, the main support column 34 of the conversion section and the secondary support column 35 of the conversion section are the main load-bearing structures of the conversion section 3. According to the difference of the required conversion section 3, through Change the height of the main support column 34 and the sub-support column 35 of the conversion section to change the demand for the conversion section 3, increase the height of the main support column 34 and the sub-support column 35 of the conversion section and increase the sub-transverse support frame 32 at the same time The number of layers increases the overall stability.

In this embodiment, the main transverse support frame 37 of the conversion joint, the function and function of the main transverse support frame 37 of the conversion joint are the same as the secondary transverse support frame 32 of the conversion joint, and the main transverse support frame 37 of the conversion joint is closer to the stress point, so Choose H-shaped steel with higher strength. The conversion joint diagonal brace 38 increases the load-bearing capacity of the conversion joint 3 and reduces the deformation of the bearing frame 39 .

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any changes or changes conceived by those skilled in the art within the technical scope disclosed in the utility model Replacement should be covered within the protection scope of the present utility model.

Claims (9)

1. A back-to-top conversion support structure, characterized in that it includes a support base (1) connected to the basic structure (4), a set of standard sections (2) connected to the support base (1) and a Conversion section (3) on top of standard section (2); The conversion section (3) includes two parallel main support columns (34) of the conversion section, two parallel sub-support columns for the replacement section, connected to each main support column (34) of the conversion section and the sub-support column (35) of the conversion section The bottom end and the conversion joint connecting bayonet (31) at the top of the main support column (34) of the conversion joint, the pedal (36) that is connected to the main support column (34) of the conversion joint and the inner rectangular frame enclosed by the secondary support column of the conversion joint, is connected to the The load-bearing frame (39) on the top of the main support column (34) of the conversion section, the diagonal brace (38) of the conversion section connected between the load-bearing frame (39) and the main support column (34) of the conversion section, and the load-bearing frame (39) ) top blade (310). 2. A support structure without back-up conversion according to claim 1, characterized in that, the support base (1) comprises a support base sub-support (12), a support base main support (13), and a support base connected to The sub-bracket (12) and the supporting base embedded part (11) at the extended end of the supporting base main bracket (13), the connection bayonet (14) connected to the junction of the supporting base sub-bracket (12) and the supporting base main bracket (13) And the bayonet nut (15) that is arranged on the top of the connection bayonet (14). 3. A support structure without back-up conversion according to claim 2, characterized in that, the sub-support (12) of the support base and the main support (13) of the support base are arranged in a well shape, and both are made of I-shaped steel It is made of pieces or zigzag steel pieces. 4. The support structure without back-up conversion according to claim 3, characterized in that, the embedded part (11) of the support base includes the embedded part top plate (111) and the embedded part anchor rod (112), and the embedded part The top plate (111) of the support base is connected to the bottom of the sub-support (12) of the support base and the main support (13) of the support base. , floor or beam body. 5. A support structure without return jacking according to claim 4, characterized in that, the standard section (2) includes a standard section main frame (21) and a standard section main frame (21) connected to the standard section main frame (21). joint bayonet (22). 6. A support structure without back-up conversion according to claim 5, characterized in that, the standard section (2) is in the shape of a rectangular frame and includes four uprights and beams and diagonal braces connected between the uprights, The uprights are made of square steel pipes, and each side of the uprights is provided with a standard section connecting bayonet (22), and the standard section connecting bayonet (22) includes a cartridge connected to the upright and a bayonet T-shaped pin rod inside the barrel. 7. A support structure for a conversion-free jacking according to claim 6, characterized in that, the connecting bayonet pin (31) at the bottom is set corresponding to the bayonet pin (22) on the standard section (2), and the top The conversion joint connection bayonet (31) is set corresponding to the bearing frame (39); the conversion joint connection bayonet (31) includes a cartridge and a T-shaped pin rod inside the cartridge. 8. The non-returning conversion support structure according to claim 7, characterized in that, the conversion node sub-transverse support frame (32) is connected to the top of the conversion node sub-transverse support frame (32) and the conversion node main lateral support structure. Between the support frames (37), the transfer section sub-transverse support frame (32) is vertically spaced and connected to the transfer section sub-transverse support frame (32) between the transfer section main transverse support frame (37); the transfer section main The strength and size of the lateral support frame (37) are greater than those of the lateral support frame (32) connecting the conversion nodes. 9. A support structure without back-up conversion according to claim 8, characterized in that, the load-bearing frame (39) is connected to the top of the main support column (34) of the conversion section, and the load-bearing frame (39) is an I-shaped piece A knife plate (310) is provided at the center line of the top of the load-bearing frame (39); the knife plate (310) is in the shape of a linear plate, and the knife plate (310) is suitable for detachable connection with the upper structure to be supported.

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