Bailey beam and disc buckle support erecting structure used in limited space

Abstract

The utility model relates to the field of disc buckle type supports, aims to solve the problems that in the prior art, the heights of a Bailey beam and a disc buckle support are too high, the clear width and the clearance cannot be met, the driving safety and the construction safety are poor, a door opening is complex to assemble and disassemble, the construction period is long, and the cost is high, and provides an erecting structure for the Bailey beam and the disc buckle support in a limited space. Comprising a bailey beam; a plurality of stand columns are arranged on the lower portion of the bailey beam, the ends, close to the bailey beam, of the stand columns are perpendicularly connected to the bottom of the bailey beam, and the ends, away from the bailey beam, of the stand columns are fixed to the ground. The top of the bailey beam is provided with a structure, a disc buckle support is arranged between the structure and the bailey beam, the top end of the disc buckle support is attached to the structure, and the bottom end of the disc buckle support is connected to the top face of the bailey beam. The end of the disc buckle support penetrates through the top face of the bailey beam and is fixedly connected to the bottom face of the bailey beam. The utility model has the beneficial effects of meeting the requirements of clear width and clearance of passage, high driving safety, high construction safety, simplicity in mounting and dismounting of the door opening, short construction period and low cost.

Description

Technical Field

[0001] The utility model relates to the field of disc-type brackets, in particular to a Bailey beam and disc-type bracket erection structure used in a limited space. Background Art

[0002] As an important form of bridge portal support, the steel tube Bailey beam disc buckle bracket system is widely used in bridge construction. Steel tube columns are used as load-bearing columns, and Bailey beams + disc buckle frames are used on top to build traffic portals. It has a simple structure, is easy to install and disassemble, has a short construction period, and can save costs. However, since the disc buckle bracket rods and Bailey beams are both fixed-size components; in some portals with requirements for traffic height, due to the fixed-size restrictions of Bailey beams and disc buckle frames, the combined height of the two is too high to meet the traffic clearance, resulting in difficulty in installation. The conventional method is to compress the lane or replace the Bailey beam with a lower-height steel section for construction, which leads to poor driving safety, complicated door installation and disassembly, and increased construction period. Utility Model Content

[0003] The utility model aims to provide a structure for erecting Bailey beams and disc brackets in a limited space, so as to solve the problems in the prior art that the height of the Bailey beams and disc brackets is too high to meet the clear width and clearance of traffic, the driving safety is poor, the construction safety is poor, the door opening installation and disassembly is complicated, the construction period is increased and the cost is high.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The utility model embodiment provides a Bailey beam and a buckle bracket erection structure for use in a limited space, which includes a Bailey beam;

[0006] A plurality of columns are provided at the lower part of the Bailey beam, one end of the plurality of columns close to the Bailey beam is vertically connected to the bottom of the Bailey beam, and one end of the plurality of columns away from the Bailey beam is fixed on the ground;

[0007] The top of the Bailey beam has a structure, a buckle bracket is provided between the structure and the Bailey beam, the top end of the buckle bracket is attached to the structure, and the bottom end of the buckle bracket is connected to the top surface of the Bailey beam;

[0008] The end of the disc buckle bracket passes through the top surface of the Bailey beam and is fixedly connected to the bottom surface of the Bailey beam.

[0009] During installation, several of the above-mentioned columns are erected on the bottom surface according to the spacing requirements, and then the above-mentioned Bailey beams are erected between adjacent columns, and then the above-mentioned buckle brackets are erected on the top of the above-mentioned Bailey beams. The middle part of the above-mentioned buckle brackets is supported on the middle part of the above-mentioned Bailey beams, and the two ends of the above-mentioned buckle brackets are supported on the bottom of the above-mentioned Bailey beams corresponding to the above-mentioned columns, so that the pressure is directly transmitted to the columns through the above-mentioned Bailey beams. Finally, the above-mentioned structure is arranged on the top of the buckle brackets.

[0010] The present embodiment discloses a Bailey beam and disc bracket erection structure for use in a limited space. By utilizing the Bailey beam and the disc bracket to cooperate with each other to connect, the erection height of the disc bracket is increased and the erection module of the disc bracket is met. As a result, the Bailey beam and disc bracket erection structure for use in a limited space has the beneficial effects of meeting the clear width and clearance of passage, high driving safety, high construction safety, simple door opening installation and disassembly, short construction period and low cost.

[0011] Optionally: a plurality of the columns have a concrete foundation at one end away from the Bailey beam, the concrete foundation is fixed on the ground, and the columns are vertically fixedly connected to the concrete foundation.

[0012] With such arrangement, the above-mentioned concrete foundation plays a load-bearing role as the door opening support foundation, can bear the load transmitted from the upper part, is convenient for dispersing the load to the ground, and has the beneficial effect of strong compressive resistance.

[0013] Optionally: an I-beam distribution beam is provided at one end of several of the above-mentioned columns close to the above-mentioned Bailey beam, one end of the above-mentioned I-beam distribution beam is fixedly connected to the top surface of the above-mentioned column, and the other end of the above-mentioned I-beam distribution beam is fixedly connected to the bottom surface of the above-mentioned Bailey beam.

[0014] With such arrangement, the I-beam distribution beam acts as a load-bearing beam to transfer the weight of the door opening bracket to the columns, effectively preventing the columns from being crushed. By replacing the damaged I-beam distribution beam, the cost of consumables is effectively reduced.

[0015] Optionally, there are a plurality of I-beam distribution beams, and the plurality of I-beam distribution beams are attached to each other and are located on the same horizontal plane.

[0016] In this way, the above-mentioned I-beam distribution beam is arranged into a plurality of pieces, which is beneficial to improving the pressure-bearing capacity of the above-mentioned I-beam distribution beam, and also has the function of dispersing the pressure to avoid crushing the top end of the above-mentioned column.

[0017] Optionally: the Bailey beam has an upper chord and a lower chord, and the upper chord and the lower chord are parallel to each other and spaced apart.

[0018] With such arrangement, the upper chord rod and the lower chord rod provide effective support for the disc buckle bracket.

[0019] Optionally: a plurality of I-beam upper cross beams are provided on the top surface of the upper chord, and the plurality of I-beam upper cross beams are vertically fixedly connected to the top surface of the upper chord;

[0020] The above-mentioned buckle bracket has a plurality of buckle bracket uprights, and one end of the plurality of buckle bracket uprights is detachably connected to the upper crossbeam of the I-beam.

[0021] Such arrangement makes it easy for the pressure of the above-mentioned structure to be transmitted to the several I-beam upper crossbeams through the several disc-shaped bracket uprights, and then to be transmitted to the above-mentioned columns through the above-mentioned upper chord rods and the above-mentioned lower chord rods. This reduces the difficulty of erection of the door opening bracket while ensuring the support, and increases the net width and clearance of the door opening bracket.

[0022] Optionally: a buckle bracket cross bar is provided between several of the above-mentioned buckle bracket uprights, and the above-mentioned buckle bracket cross bar is detachable and serially connected to several adjacent buckle bracket uprights in sequence.

[0023] With such arrangement, the above-mentioned disc-lock bracket cross bar can connect several of the above-mentioned disc-lock bracket vertical poles in series to form a whole, thereby effectively improving the overall stability and supporting force of the several above-mentioned disc-lock bracket vertical poles.

[0024] Optionally: the top ends of several of the above-mentioned disc-buckle bracket uprights are fixedly connected with disc-buckle bracket top supports, a disc-buckle bracket main rib I-beam is provided between the top end of the above-mentioned disc-buckle bracket top support and the bottom surface of the above-mentioned structure, the bottom surface of the above-mentioned disc-buckle bracket main rib I-beam abuts against the top surface of the above-mentioned disc-buckle bracket top support, and the top surface of the above-mentioned disc-buckle bracket main rib I-beam abuts against the bottom surface of the above-mentioned structure.

[0025] With such arrangement, the main rib I-beam of the above-mentioned buckle bracket makes it easy for the above-mentioned structure to directly apply force to the bracket, effectively avoiding wear of the bracket, and the above-mentioned buckle bracket top support makes it easy to adjust the height of the above-mentioned buckle bracket top support according to the distance between the top end of the above-mentioned buckle bracket vertical rod and the bottom surface of the above-mentioned structure to adapt to structures with different bottom surfaces.

[0026] Optionally: a plurality of I-beam lower cross beams are provided on the top surfaces of both ends of the lower chord, and the plurality of I-beam lower cross beams are vertically fixedly connected to the top surface of the lower chord;

[0027] The top ends of the several I-beam lower cross beams are fixedly connected with the bottom brackets of the disc buckle brackets, and one end of the bottom brackets of the disc buckle brackets away from the I-beam lower cross beams is fixedly connected to the bottom end of the vertical pole of the disc buckle brackets.

[0028] Such arrangement allows the pressure at both ends of the above-mentioned buckle bracket to be directly applied to the above-mentioned I-beam lower crossbeam located at the top of the above-mentioned column through the above-mentioned buckle bracket base, which is equivalent to a part of the pressure of the above-mentioned structure being applied to the middle part of the above-mentioned Bailey beam, and a part of it being actually applied directly to the above-mentioned column through the above-mentioned Bailey beam. In this way, the force on the entire bracket is more balanced, which is convenient for increasing the net width and clearance of the door opening bracket, and improving driving safety and construction safety.

[0029] Optionally: outer frames are provided at both ends of the Bailey beam, and a number of common scaffolding tubes parallel to and spaced apart from each other are provided between the base support of the disc-lock bracket and the uprights of the disc-lock bracket and the outer frames, one end of the common scaffolding tubes is fixedly connected to the base support of the disc-lock bracket and the uprights of the disc-lock bracket, and the other end of the common scaffolding tubes is fixedly connected to the outer frames.

[0030] With such arrangement, the above-mentioned disc-lock bracket base support and the above-mentioned disc-lock bracket upright rod are connected as a whole with the above-mentioned outer frame through a plurality of the above-mentioned common scaffolding tubes, thereby playing a role in providing stable support for the structure.

[0031] Optionally: a plurality of obliquely arranged support rods and vertically arranged support columns are provided between the upper chord and the lower chord, the two ends of the plurality of support columns are respectively vertically fixedly connected to the chord and the lower chord, and a connecting plate is connected at the intersection of the plurality of support rods, and the connecting plate is fixedly connected to the support columns.

[0032] With such arrangement, the plurality of support rods and the plurality of support columns can strengthen the overall frame strength of the Bailey beam, so that the Bailey beam has sufficient load-bearing capacity and structural stability.

[0033] Based on the above description, the utility model discloses a structure for erecting Bailey beams and disc-hook brackets in a limited space, which has the beneficial effects of meeting the clear width and clearance of passage, high driving safety, high construction safety, simple door opening installation and disassembly, short construction period and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 This is a schematic diagram of the overall structure of a Bailey beam and a disc buckle bracket erection structure in a limited space in an embodiment of the utility model;

[0036] Figure 2 For the utility model embodiment Figure 1 Enlarged view of point A in the middle.

[0037] Icons: 1- Bailey beam, 2- column, 3- structure, 4- disc bracket, 5- concrete foundation, 6- I-beam distribution beam, 7- upper chord, 8- lower chord, 9- I-beam upper crossbeam, 10- disc bracket column, 11- disc bracket crossbar, 12- disc bracket top support, 13- disc bracket main rib I-beam, 14- I-beam lower crossbeam, 15- disc bracket bottom support, 16- outer frame, 17- ordinary scaffolding pipe, 18- support rod, 19- support column, 20- connecting plate. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example

[0041] See also Figure 1 and Figure 2 , this embodiment proposes a Bailey beam and a buckle bracket erection structure for use in a limited space, including a Bailey beam 1;

[0042] A plurality of columns 2 are provided at the lower part of the Bailey beam 1, one end of the plurality of columns 2 close to the Bailey beam 1 is vertically connected to the bottom of the Bailey beam 1, and one end of the plurality of columns 2 away from the Bailey beam 1 is fixed on the ground;

[0043] The top of the Bailey beam 1 is provided with a structure 3, and a buckle bracket 4 is provided between the structure 3 and the Bailey beam 1, the top end of the buckle bracket 4 is attached to the structure 3, and the bottom end of the buckle bracket 4 is connected to the top surface of the Bailey beam 1;

[0044] The end of the buckle bracket 4 passes through the top surface of the Bailey beam 1 and is fixedly connected to the bottom surface of the Bailey beam 1 .

[0045] During installation, several columns 2 are erected on the bottom surface according to the spacing requirements, and then Bailey beams 1 are set between adjacent columns 2, and then a buckle bracket 4 is set on the top of the Bailey beam 1. The middle part of the buckle bracket 4 is supported on the middle part of the Bailey beam 1, and the two ends of the buckle bracket 4 are supported on the bottom of the Bailey beam 1 corresponding to the column 2, so that the pressure is directly transmitted to the column 2 through the Bailey beam 1. Finally, the structure 3 is arranged on the top of the buckle bracket 4.

[0046] The present embodiment discloses a Bailey beam and disc bracket erection structure for use in a limited space. By utilizing the Bailey beam 1 and the disc bracket 4 to cooperate with each other and connect, the erection height of the disc bracket is increased and the erection module of the disc bracket is met. As a result, the Bailey beam and disc bracket erection structure for use in a limited space has the beneficial effects of meeting the clear width and clearance of passage, high driving safety, high construction safety, simple door opening installation and disassembly, short construction period and low cost.

[0047] See also Figure 1 and Figure 2 A plurality of columns 2 have a concrete foundation 5 at one end away from the Bailey beam 1, and the concrete foundation 5 is fixed on the ground. The columns 2 are vertically fixedly connected to the concrete foundation 5. The concrete foundation 5 serves as a load-bearing foundation for the door opening support and can withstand the load transmitted from the upper part, making it convenient to disperse the load to the ground, and has the beneficial effect of strong compressive resistance.

[0048] An I-beam distribution beam 6 is provided at one end of several columns 2 close to the Bailey beam 1, one end of the I-beam distribution beam 6 is fixedly connected to the top surface of the column 2, and the other end of the I-beam distribution beam 6 is fixedly connected to the bottom surface of the Bailey beam 1. The I-beam distribution beam 6 serves as a load-bearing beam to transfer the gravity of the door opening bracket to the column 2, effectively preventing the column 2 from being crushed. By replacing the damaged I-beam distribution beam 6, the cost of consumables is effectively reduced.

[0049] There are several I-beam distribution beams 6, which are attached to each other and located on the same horizontal plane. Arranging several I-beam distribution beams 6 is beneficial to improving the pressure-bearing capacity of the I-beam distribution beam 6, and also has the function of dispersing pressure to avoid damaging the top of the column 2.

[0050] See also Figure 1 and Figure 2 The Bailey beam 1 has an upper chord 7 and a lower chord 8, which are parallel to each other and spaced apart. The upper chord 7 and the lower chord 8 provide effective support for the buckle bracket 4.

[0051] The top surface of the upper chord 7 is provided with a plurality of I-beam upper cross beams 9, and the plurality of I-beam upper cross beams 9 are vertically fixedly connected to the top surface of the upper chord 7; the buckle bracket 4 has a plurality of buckle bracket uprights 10, and one end of the plurality of buckle bracket uprights 10 is detachably connected to the I-beam upper cross beam 9, so that the pressure of the structure 3 can be easily transferred to the plurality of I-beam upper cross beams 9 through the plurality of buckle bracket uprights 10, and then easily transferred to the column 2 through the upper chord 7 and the lower chord 8, which reduces the difficulty of erection of the door opening bracket while ensuring the support, and improves the net width and clearance of the door opening bracket.

[0052] A buckle bracket cross bar 11 is provided between several buckle bracket uprights 10. The buckle bracket cross bar 11 is detachable and sequentially connected in series with several adjacent buckle bracket uprights 10. The buckle bracket cross bar 11 can connect several buckle bracket uprights 10 in series to form a whole, thereby effectively improving the overall stability and supporting force of several buckle bracket uprights 10.

[0053] The top ends of several buckle bracket uprights 10 are fixedly connected with buckle bracket top supports 12, and buckle bracket main rib I-beams 13 are arranged between the top ends of the buckle bracket top supports 12 and the bottom surface of the structure 3, and the bottom surfaces of the buckle bracket main rib I-beams 13 abut against the top surfaces of the buckle bracket top supports 12, and the top surfaces of the buckle bracket main rib I-beams 13 abut against the bottom surface of the structure 3, and the buckle bracket main rib I-beams 13 facilitate the structure 3 to directly apply force to the bracket, effectively avoiding the wear of the bracket, and the buckle bracket top support 12 facilitates the adjustment of the height of the buckle bracket top support 12 according to the distance between the top ends of the buckle bracket uprights 10 and the bottom surface of the structure 3, so as to adapt to structures 3 with different bottom surfaces.

[0054] See also Figure 1 and Figure 2 , the top surfaces of both ends of the lower chord 8 are provided with a plurality of I-beam lower cross beams 14, and the plurality of I-beam lower cross beams 14 are vertically fixedly connected to the top surface of the lower chord 8;

[0055] The top ends of several I-beam lower cross beams 14 are fixedly connected with a disc bracket base 15, and one end of the disc bracket base 15 away from the I-beam lower cross beam 14 is fixedly connected to the bottom end of the disc bracket upright 10, so that the pressure at both ends of the disc bracket 4 is directly applied to the I-beam lower cross beam 14 located at the top of the column 2 through the disc bracket base 15, which is equivalent to part of the pressure of the structure 3 being applied to the middle part of the Bailey beam 1, and part of it is actually applied directly to the column 2 through the Bailey beam 1, so that the force of the entire bracket is more balanced, which is convenient for increasing the net width and clearance of the door opening bracket, and improving driving safety and construction safety.

[0056] An outer frame 16 is provided at both ends of the Bailey beam 1, and a plurality of mutually parallel and spaced common scaffolding tubes 17 are provided between the disc-lock bracket base 15 and the disc-lock bracket upright 10 and the outer frame 16. One end of the plurality of common scaffolding tubes 17 is fixedly connected to the disc-lock bracket base 15 and the disc-lock bracket upright 10, and the other end of the plurality of common scaffolding tubes 17 is fixedly connected to the outer frame 16. The disc-lock bracket base 15 and the disc-lock bracket upright 10 are connected as a whole with the outer frame 16 through the plurality of common scaffolding tubes 17, so as to provide stable support for the structure 3.

[0057] See also Figure 1 and Figure 2 A plurality of obliquely arranged support rods 18 and vertically arranged support columns 19 are provided between the upper chord 7 and the lower chord 8. The two ends of the plurality of support columns 19 are respectively and vertically fixedly connected to the chord and the lower chord 8. A connecting plate 20 is connected to the intersection of the plurality of support rods 18. The connecting plate 20 is fixedly connected to the support columns 19. The plurality of support rods 18 and the plurality of support columns 19 can strengthen the overall frame strength of the Bailey beam 1, so that the Bailey beam 1 has sufficient bearing capacity and structural stability.

[0058] See also Figure 1 and Figure 2 In this embodiment, when erecting the door opening support, a column 2 is installed on the concrete foundation 5, an I-beam distribution beam 6 is installed on the column 2, a Bailey beam 1 is installed on the I-beam distribution beam 6, the Bailey beam 1 and the I-beam distribution beam 6 form a 90° angle, a number of I-beam upper cross beams 9 are placed on the Bailey beam 1 as the placement basis of a number of buckle support uprights 10, a number of I-beam upper cross beams 9 and the upper chord 7 of the Bailey beam 1 form a 90° angle, and a buckle support upright 10 is erected above a number of I-beam upper cross beams 9. The clearance of the door opening is the distance between the bottom of the Bailey beam 1 and the ground, and the erection height of the buckle support 4 depends on the distance between the top of the Bailey beam 1 and the structure 3. Because the buckle support 4 and the Bailey beam 1 are both constructed with fixed dimensions, when the distance between the top of the Bailey beam 1 and the structure 3 is too small, it cannot be erected. At this time, the weight of the disc bracket 4 is supported by the lower chord 8 to increase the support height of the disc bracket 4 and meet the requirements of the fixed module of the disc bracket 4. Then, the frame is connected to the adjacent outer frame 16 using ordinary scaffolding pipes 17 to stabilize the bracket.

[0059] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A structure for erecting Bailey beams and disc brackets in a limited space, characterized in that: Includes Bailey beams; A plurality of columns are provided at the lower part of the Bailey beam, one end of the plurality of columns close to the Bailey beam is vertically connected to the bottom of the Bailey beam, and one end of the plurality of columns away from the Bailey beam is fixed on the ground; The top of the Bailey beam has a structure, a buckle bracket is provided between the structure and the Bailey beam, the top end of the buckle bracket is attached to the structure, and the bottom end of the buckle bracket is connected to the top surface of the Bailey beam; The end of the buckle bracket passes through the top surface of the Bailey beam and is fixedly connected to the bottom surface of the Bailey beam.

2. The Bailey beam and buckle bracket erection structure for a limited space according to claim 1, characterized in that: A plurality of the columns have a concrete foundation at one end away from the Bailey beam, the concrete foundation is fixed on the ground, and the columns are vertically fixedly connected to the concrete foundation.

3. The Bailey beam and buckle bracket erection structure for a limited space according to claim 1, characterized in that: An I-beam distribution beam is provided at one end of a plurality of the columns close to the Bailey beam, one end of the I-beam distribution beam is fixedly connected to the top surface of the column, and the other end of the I-beam distribution beam is fixedly connected to the bottom surface of the Bailey beam.

4. The Bailey beam and buckle bracket erection structure for a limited space according to claim 3, characterized in that: There are a plurality of I-beam distribution beams, and the plurality of I-beam distribution beams are attached to each other and are located on the same horizontal plane.

5. The Bailey beam and buckle bracket erection structure for a limited space according to claim 1, characterized in that: The Bailey beam comprises an upper chord and a lower chord, wherein the upper chord and the lower chord are parallel to each other and spaced apart.

6. The Bailey beam and buckle bracket erection structure for a limited space according to claim 5, characterized in that: The top surface of the upper chord is provided with a plurality of I-beam upper cross beams, and the plurality of I-beam upper cross beams are vertically fixedly connected to the top surface of the upper chord; The buckle bracket has a plurality of buckle bracket uprights, and one end of the plurality of buckle bracket uprights is detachably connected to the upper crossbeam of the I-beam.

7. The Bailey beam and buckle bracket erection structure for a limited space according to claim 6, characterized in that: A buckle bracket cross bar is arranged between the plurality of buckle bracket upright bars, and the buckle bracket cross bar is detachably connected in series with a plurality of adjacent buckle bracket upright bars.

8. The Bailey beam and buckle bracket erection structure for a limited space according to claim 6, characterized in that: The top ends of several of the disc-buckle bracket uprights are fixedly connected to disc-buckle bracket top supports, and a disc-buckle bracket main rib I-beam is provided between the top end of the disc-buckle bracket top support and the bottom surface of the structure, the bottom surface of the disc-buckle bracket main rib I-beam abuts against the top surface of the disc-buckle bracket top support, and the top surface of the disc-buckle bracket main rib I-beam abuts against the bottom surface of the structure.

9. The Bailey beam and buckle bracket erection structure for a limited space according to claim 6, characterized in that: A plurality of I-beam lower cross beams are provided on the top surfaces of both ends of the lower chord, and the plurality of I-beam lower cross beams are vertically fixedly connected to the top surface of the lower chord; The top ends of several I-beam lower cross beams are fixedly connected with a disc-lock bracket bottom support, and one end of the disc-lock bracket bottom support away from the I-beam lower cross beam is fixedly connected to the bottom end of the disc-lock bracket upright.

10. The Bailey beam and buckle bracket erection structure for a limited space according to claim 9, characterized in that: Outer frames are provided at both ends of the Bailey beam, and a number of common scaffolding tubes parallel to and spaced apart from each other are provided between the base of the disc-lock bracket and the uprights of the disc-lock bracket and the outer frames, one end of the common scaffolding tubes is fixedly connected to the base of the disc-lock bracket and the uprights of the disc-lock bracket, and the other end of the common scaffolding tubes is fixedly connected to the outer frames.

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