CN216864791U

CN216864791U - Arch type bracket device

Info

Publication number: CN216864791U
Application number: CN202122998504.5U
Authority: CN
Inventors: 聂宁波; 郑文飞; 魏谦; 魏荣彪; 牛俊杰
Original assignee: First Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-07-01
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an arch type bracket device, which comprises a bottom bracket and an arch type bracket arranged above the bottom bracket, wherein one end of the arch type bracket is connected with one end of the bottom bracket in the length direction, the other end of the arch type bracket is connected with the other end of the bottom bracket in the length direction, the arch type bracket comprises an inner layer framework and an outer layer framework positioned outside the inner layer framework, the inner layer framework and the outer layer framework are formed by sequentially splicing a plurality of connecting pieces, and the inner layer framework and the outer layer framework are connected through a supporting frame. This arch form bracket device adopts the pin-connected panel structure, repeatedly usable, and reuse rate is high, compares with traditional steel pipe support system, save material, simple to operate, and maneuverability is strong, and economic benefits is high.

Description

Arch type bracket device

Technical Field

The utility model belongs to a bracket device, and particularly relates to an arch-type bracket device.

Background

With the continuous development of large-span bridges such as cable-stayed bridges, suspension bridges and the like, the forms of the bridge towers are increased day by day, and the pursuit of people on the beauty of the bridge towers is enhanced day by day. The arched bridge tower has novel and beautiful structure, the bridge tower closure section is arc-shaped, the construction control difficulty of the closure section is increased, and the design of the closure section bracket is one of the engineering difficulties.

Traditional bridge tower closure section support mostly adopts console mode support and bracket form, and closure section template mostly adopts steel pipe support to support. Because the closure section is arc shape, the steel pipe support needs to be cut and installed, and the process is complicated, and the precision is difficult to control, and the reuse rate is low. In addition, the stability of the steel pipe support is poor, and instability is easy to occur. Because the load distribution of the closure section is uneven, the steel pipe bracket generates horizontal thrust, which is unfavorable for the stability of the structure.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned deficiencies of the prior art and to provide an arch-type pallet means. This arch form bracket device adopts the pin-connected panel structure, repeatedly usable, and reuse rate is high, compares with traditional steel pipe support system, save material, simple to operate, and maneuverability is strong, and economic benefits is high.

In order to achieve the purpose, the utility model adopts the technical scheme that: an arch bracket device, characterized in that: bottom sprag is in with the setting the hunch formula bracket of bottom sprag top, the one end of hunch formula bracket with bottom sprag length direction's one end is connected, the other end of hunch formula bracket with bottom sprag length direction's the other end is connected, hunch formula bracket includes the inlayer skeleton and is located the outer skeleton in the inlayer skeleton outside, the inlayer skeleton with outer skeleton comprises by a plurality of connecting pieces concatenation in proper order, the inlayer skeleton with be connected through the support frame between the outer skeleton.

The arch-type bracket device is characterized in that: the outer skeleton is provided with at least three telescoping devices, and the bottom support is provided with a telescopic section.

The arch-type bracket device is characterized in that: the three telescoping devices are respectively located at the middle part, the left side part and the right side part of the outer layer framework.

The arch-type bracket device is characterized in that: the telescopic device comprises a tubular adjusting piece, a connecting piece at the position corresponding to the telescopic device is disconnected to form a first connecting section and a second connecting section, the adjusting piece is arranged at the disconnected position of the connecting piece, one end of the first connecting section extends into one end of the adjusting piece, one end of the second connecting section extends into the other end of the adjusting piece, a plurality of first bolt holes are formed in the first connecting section and the second connecting section, a plurality of second bolt holes corresponding to the first threaded holes are formed in the adjusting piece, the first connecting section is connected with the adjusting piece through first bolts penetrating through the corresponding first bolt holes and the corresponding second bolt holes, the second connecting section is connected with the adjusting piece through a second bolt passing through the corresponding first bolt hole and the second bolt hole.

The arch-type bracket device is characterized in that: the adjusting piece is made of I-shaped steel.

The arch-type bracket device is characterized in that: the bottom support comprises a first support rod and a second support rod, and one end of the first support rod penetrates into one end of the second support rod along the length direction of the first support rod to form the telescopic section.

The connecting pieces are channel steel, and the splicing positions of the adjacent two connecting pieces are connected through bolts.

The support frame comprises a plurality of support rods, and the support rods are sequentially connected to form a truss structure.

Foretell arch form bracket device, the one end of bracing piece with adjacent two on the inlayer skeleton the concatenation department of connecting piece is connected, the other end of bracing piece with adjacent two on the outer skeleton the concatenation department of connecting piece is connected.

In the arch bracket device, the support rod is made of angle steel.

Compared with the prior art, the utility model has the following advantages:

1. the utility model is of an assembled structure, the inner and outer layers of frameworks can be reasonably lengthened or shortened according to the length of an arc line, and the radian of the arch bracket can be properly adjusted according to engineering requirements.

2. The utility model adopts two layers of frameworks which are connected through the support rods to form a truss-like structure system, and has reasonable stress and better stability.

3. Compared with other bracket systems, the bracket system does not generate thrust action on the existing structure and does not generate adverse effect on the stress of the original structure.

4. The steel pipe support frame system can be repeatedly used, is high in repeated utilization rate, saves materials, is convenient to install, is high in operability and has high economic benefit compared with the traditional steel pipe support frame system.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive efforts.

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

Fig. 2 is a schematic structural view of the telescopic device of the present invention.

Fig. 3 is a schematic structural diagram of the telescopic section of the present invention.

Fig. 4 is a cross-sectional view of fig. 3.

Fig. 5 is a structural view at a in fig. 1.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a configuration diagram at B in fig. 1.

Fig. 8 is a left side view of fig. 7.

Description of reference numerals:

1-bottom support; 1 a-a telescopic section; 1 b-a first strut;

1 c-a second strut; 2-an arch bracket; 2 a-a connector;

2aa — a first connecting section; 2ab — second linkage segment; 2b — a first high-strength bolt;

2c — a second high-strength bolt; 3, a support frame; 3 a-a support bar;

4, a telescopic device; 4 a-adjusting part.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.

An arch type bracket device as shown in figure 1, bottom support 1 and arch type bracket 2, arch type bracket 2 sets up the top of bottom support 1, and the one end of arch type bracket 2 is connected with 1 length direction's of bottom support one end, and arch type bracket 2's the other end is connected with 1 length direction's of bottom support the other end, and arch type bracket 2 includes inlayer skeleton and outer skeleton, outer skeleton is located the outside of inlayer skeleton, inlayer skeleton with outer skeleton comprises a plurality of connecting piece 2a concatenation in proper order, inlayer skeleton with be connected through support frame 3 between the outer skeleton.

In this embodiment, the number of splicing sections can be adjusted according to engineering requirements by the arch bracket device. The inner layer framework and the outer layer framework are connected and reinforced through the connecting piece 2a and the bottom support 1, so that the thrust generated by the load acting on the upper part at the two ends of the arch type bracket 2 can be effectively balanced. This arch form bracket device's stable in structure to can the thrust that self-balancing upper portion load produced, because it is the constitution of assembling, repeatedly usable, economic performance is good.

As shown in fig. 1, at least three telescopic devices 4 are arranged on the outer layer framework, and a telescopic section 1a is arranged on the bottom support 1. For the adjustment of conveniently carrying out bracket system, can adjust the radian and the pitch arc length of hunch formula bracket 2 as required through setting up telescoping device 4, the bottom support 1 of lower part balance thrust component also is provided with flexible section 1a, can adjust its length according to 2 radians of upper portion hunch formula bracket.

As shown in fig. 1, specifically, three telescoping devices 4 are respectively located at the middle part, the left side part and the right side part of the outer layer framework.

Referring to fig. 2, the telescopic device 4 includes a tubular adjusting part 4a, the connecting part 2a at a position corresponding to the position of the telescopic device 4 is disconnected to form a first connecting section 2aa and a second connecting section 2ab, the adjusting part 4a is disposed at the disconnected position of the connecting part 2a, one end of the first connecting section 2aa extends into one end of the adjusting part 4a, one end of the second connecting section 2ab extends into the other end of the adjusting part 4a, the first connecting section 2aa and the second connecting section 2ab are both provided with a plurality of first bolt holes, the adjusting part 4a is provided with a plurality of second bolt holes corresponding to the first threaded holes, the first connecting section 2aa and the adjusting part 4a are connected by first bolts passing through the corresponding first bolt holes and the second bolt holes, the second connecting section 2ab is connected with the adjusting piece 4a through a second bolt passing through the corresponding first bolt hole and second bolt hole.

Specifically, the adjusting member 4a is made of i-steel.

Referring to fig. 3 and 4, the bottom bracket 1 includes a first bar 1b and a second bar 1c, and one end of the first bar 1b penetrates one end of the second bar 1c along the length direction thereof to form a telescopic section 1 a. Specifically, the first support rod 1b is a channel steel, and the second support rod 1c is an i-steel.

In this embodiment, the connecting piece 2a is a channel steel, and the splicing positions of the two adjacent connecting pieces 2a are connected through bolts.

As shown in fig. 1, the support frame 3 includes a plurality of support rods 3a, and the plurality of support rods 3a are connected in sequence to form a truss structure.

As shown in fig. 1, one end of the supporting rod 3a is connected to the joint of two adjacent connecting pieces 2a on the inner layer framework, and the other end of the supporting rod 3a is connected to the joint of two adjacent connecting pieces 2a on the outer layer framework.

Specifically, the support rod 3a is made of angle steel.

Combine fig. 1, fig. 5 and fig. 6, in this embodiment, two-layer skeleton is formed by the concatenation of connecting piece 2a that the channel-section steel was made is adopted to the multistage, part pterygoid lamina is fallen in every section channel-section steel both ends both sides cutting and the bolt hole is reserved, carry out the overlap joint through first high strength bolt 2b, the bracing piece 3a bracing of making by the angle steel is installed to the bracing piece between the two-layer skeleton, after two sections adjacent channel-section steel piecing angles have been adjusted, it is fixed to screw up first high strength bolt 2b at last, bracing piece 3a between the inside and outside two-layer skeleton need install simultaneously, so that conveniently adjust bracing connection angle.

Referring to fig. 1, 7 and 8, since the two ends of the bottom bracket 1 are stress members and are connected to the arch bracket 2 by the second high-strength bolt 2c, a large thrust generated by the load of the arch bracket 2 can be balanced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. An arch bracket device, characterized in that: bottom support (1) and setting are in arch form bracket (2) of bottom support (1) top, the one end of arch form bracket (2) with bottom support (1) length direction's one end is connected, the other end of arch form bracket (2) with bottom support (1) length direction's the other end is connected, arch form bracket (2) include the inlayer skeleton and are located the outer skeleton in the inlayer skeleton outside, the inlayer skeleton with outer skeleton comprises a plurality of connecting pieces (2a) concatenation in proper order, the inlayer skeleton with be connected through support frame (3) between the outer skeleton.

2. An arch bracket assembly according to claim 1, wherein: the outer skeleton is provided with at least three telescopic devices (4), and the bottom support (1) is provided with a telescopic section (1 a).

3. An arch bracket assembly according to claim 2, wherein: the three telescopic devices (4) are respectively positioned at the middle part, the left side part and the right side part of the outer layer framework.

4. An arch bracket assembly according to claim 2, wherein: the telescopic device (4) comprises a tubular adjusting piece (4a), the connecting piece (2a) at the position corresponding to the telescopic device (4) is disconnected to form a first connecting section (2aa) and a second connecting section (2ab), the adjusting piece (4a) is arranged at the disconnected position of the connecting piece (2a), one end of the first connecting section (2aa) extends into one end of the adjusting piece (4a), one end of the second connecting section (2ab) extends into the other end of the adjusting piece (4a), the first connecting section (2aa) and the second connecting section (2ab) are respectively provided with a plurality of first bolt holes, the adjusting piece (4a) is provided with a plurality of second bolt holes corresponding to the first bolt holes, and the first connecting section (2aa) and the adjusting piece (4a) are connected through first bolts penetrating through the corresponding first bolt holes and the corresponding second bolt holes, the second connecting section (2ab) is connected with the adjusting piece (4a) through a second bolt passing through the corresponding first bolt hole and second bolt hole.

5. An arch bracket assembly according to claim 4, wherein: the adjusting piece (4a) is made of I-steel.

6. An arch bracket assembly according to claim 2, wherein: the bottom support (1) comprises a first support rod (1b) and a second support rod (1c), and one end of the first support rod (1b) penetrates into one end of the second support rod (1c) along the length direction of the first support rod to form the telescopic section (1 a).

7. An arch bracket assembly according to claim 1, wherein: the connecting pieces (2a) are channel steel, and the splicing positions of two adjacent connecting pieces (2a) are connected through bolts.

8. An arch bracket assembly according to claim 1, wherein: the support frame (3) comprises a plurality of support rods (3a), and the support rods (3a) are sequentially connected to form a truss structure.

9. An arch bracket assembly according to claim 8, wherein: one end of the supporting rod (3a) is connected with the splicing positions of the two adjacent connecting pieces (2a) on the inner layer framework, and the other end of the supporting rod (3a) is connected with the splicing positions of the two adjacent connecting pieces (2a) on the outer layer framework.

10. An arch bracket assembly according to claim 9, wherein: the support rod (3a) is made of angle steel.