CN219261849U - Supporting system capable of being detachably mounted on non-hardened ground - Google Patents

Abstract

A supporting system detachably installed on non-hardened ground comprises an anti-overturning wedge rod, an anti-overturning base and a bailey frame which are jointly supported from bottom to top. The anti-overturning base comprises a roadbed box, a base cross beam, a base longitudinal beam and a beam limiting fixing clamp, and the bailey frame joint support comprises at least three parallel bailey frame sub-supports and a connecting stabilizer bar between the connecting bailey frame sub-supports. Each bailey frame is formed by vertically lengthening a basic unit section, and the basic unit section comprises a unit plane truss, a lateral connecting beam, a lateral connecting diagonal bracing and a bailey frame limiting fixing clip. The utility model omits the ground hardening process, reduces the cost, improves the construction efficiency, increases the application range, prevents the settlement of the non-hardened ground, realizes the repeated use, saves the resources, and simultaneously improves the downward force transmission efficiency when the long-span truss is installed.

Description

Supporting system capable of being detachably mounted on non-hardened ground

Technical Field

The utility model belongs to the field of steel structure installation support, and particularly relates to a detachable large-span truss structure installation support for non-hardened ground.

Background

With the development of steel structure technology, more and more steel structures are put into use in structural engineering. When the large-span truss steel structure is installed in a segmented mode, the steel structure is firstly required to be hardened on the ground where the temporary support is erected, and then the temporary support is constructed on the hardened ground. Meanwhile, the temporary support generally used for the sectional installation of the large-span truss is generally manufactured by section steel or is supported by a standard section, and when the standard section is manufactured, the temporary support is difficult to assemble and disassemble, the consumption is large, more building waste is formed, and the temporary support is quite uneconomical. In addition, the standard section is supported and is designed by using four stand columns as a supporting section, and the bearing capacity is insufficient.

Disclosure of Invention

The utility model aims to provide a supporting system detachably mounted on non-hardened ground, which aims to solve the technical problems that the existing temporary support for large-span truss sectional mounting can only be erected on the hardened ground and has a narrow application range; the technical problems that the temporary support is made of profile steel or the standard section support is difficult to assemble and disassemble, the large amount of the standard section support forms more building waste, and the standard section support is designed by taking four upright posts as a support section and has insufficient bearing capacity are solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the detachable support system for non-hardened ground includes one anti-overturning wedge rod, one anti-overturning base and one bailey rack supported successively from bottom to top, with the longitudinal direction being transverse to the front and back sides and longitudinal to the left and right sides,

the anti-capsizing wedge rod is an inserted rod which is inserted into the non-hardened ground and is obliquely arranged, the two lateral sides of the anti-capsizing wedge rod are arranged in pairs and longitudinally at intervals, the bottom of the anti-capsizing wedge rod is cut into a wedge shape, the size of the wedge shape is gradually thinned from top to bottom,

the anti-overturning base comprises a roadbed box, a base cross beam, a base longitudinal beam and a beam limiting fixing clamp,

the bottom surface of the roadbed box is arranged on the non-hardening ground, the roadbed box is a rectangular box, the rectangular length direction is longitudinal, the longitudinal vertical side wall is a stress side, the upper half part of each pair of anti-overturning wedge rods is respectively welded with the stress sides at two sides, the anti-overturning wedge rods at the same side form a comb tooth shape, the lower half part of each anti-overturning wedge rod is obliquely downwards and inwards inserted into the non-hardening ground below the roadbed box relative to the vertical surface at the stress side, the roadbed box is jointly supported upwards through the anti-overturning wedge rods at two sides,

the base longitudinal beams are arranged in a group along the longitudinal parallel interval of the top surface of the roadbed box, the base transverse beams are arranged in a group along the longitudinal direction of the base longitudinal beams at parallel intervals, the base transverse beams are parallel and level with the bottom surface and the top surface of the base longitudinal beams, the base transverse beams are perpendicular to the base longitudinal beams and welded with the base longitudinal beams to form a grid-shaped base frame, the base frame is arranged on the top surface of the roadbed box, the front end and the rear end of the base transverse beams, which exceed the base longitudinal beams, are fixedly connected with the top surface of the roadbed box through beam limiting fixing clips,

the beam limiting fixing clamp is in a door shape, the center of the bottom of the beam limiting fixing clamp is provided with a notch for accommodating the base beam, the size of the notch is matched with the outer outline size of the base beam, the beam limiting fixing clamp is clamped on the base beam, the bottom surfaces of the two side parts of the beam limiting fixing clamp are welded with the top surface of the roadbed box,

the bailey frame joint support comprises at least three bailey frame sub-supports which are arranged in parallel and a connecting stabilizer bar between the connecting bailey frame sub-supports, each bailey frame sub-support is formed by vertically lengthening a basic unit section, the basic unit section comprises a unit plane truss, a lateral connecting beam, a lateral connecting diagonal brace and a bailey frame limiting fixing clip,

the unit plane trusses are vertically arranged and are transversely arranged in rows in each basic unit section, each row is provided with three sheets,

at least three lateral connecting beams are vertically arranged along the height direction of the unit plane trusses at intervals, two ends of each lateral connecting beam are detachably connected between two longitudinal sides of the adjacent unit plane trusses, a rectangular fixing frame is formed between the unit plane trusses and the upper and lower adjacent lateral connecting beams, the lateral connecting diagonal braces are in splayed shape and are detachably connected in the fixing frame,

the Beehive limiting fixing clamp is arranged at the transverse end position of the basic unit section, the basic unit sections which are adjacent up and down or the basic unit section and other structures are detachably connected through the Beehive limiting fixing clamp,

and two ends of the connecting stabilizer bar are bolted between two lateral sides of the adjacent bailey frame supports.

The unit plane truss comprises chord member upright posts, web member beams and web member diagonal braces, wherein the chord member upright posts are two in number, the web member beams are horizontally arranged between the chord member upright posts, three web member diagonal braces are arranged at intervals along the height direction of the chord member upright posts, and are top beams, middle beams and bottom beams respectively, the top beams, the middle beams and the bottom beams of the chord member upright posts are sequentially connected, the web member diagonal braces are diamond-shaped, top angles and bottom angles of the web member diagonal braces are respectively connected to the middle parts of adjacent web member beams, and side angles of two sides of the web member diagonal braces are respectively connected to the middle parts of adjacent chord member upright posts;

the lateral connecting beam is arranged between the plane of the top beam and the plane of the bottom beam,

the corner parts of the lateral connecting diagonal braces are connected to the middle parts adjacent to the lateral connecting beams, the foot parts of the lateral connecting diagonal braces are connected to the corner parts adjacent to the fixed frame,

the number of the base longitudinal beams is three, the setting positions of the base longitudinal beams correspond to the setting positions of three unit plane trusses, namely, the longitudinal chord posts of each row,

the setting position of base crossbeam corresponds with the setting position of horizontal every chord member stand.

And the connecting stabilizing rod is arranged at the web member beam position at the upper and lower butt joint positions of the adjacent unit plane trusses, and two ends of the connecting stabilizing rod are respectively bolted with the side wall of the chord member upright post where the connecting stabilizing rod is positioned.

The bailey frame limiting fixing clamp is arranged corresponding to the positions of the chord member upright posts, the bailey frame limiting fixing clamp comprises two channel steel supplying channels which are arranged in a back-to-back pair mode, the channel steel opening faces transversely, the distance which is adapted to the size of the chord member upright posts is kept between the two channel steel,

the bailey frame limiting fixing clamp comprises a butt joint fixing clamp welded on the chord member upright post, the upper and lower adjacent chord member upright posts are detachably connected by punching holes on the butt joint fixing clamp and bolting,

the bailey frame limiting fixing clamp also comprises an installation limiting clamp welded on other structures,

the installation limiting clamps are welded at the crossing positions of the base longitudinal beams and the base cross beams, the distance for inserting the bottom beams is reserved, two ends of the bottommost bottom beams are respectively inserted into the installation limiting clamps, the height of each installation limiting clamp is equal to that of the base frame, and the bottoms of the chord member upright posts correspondingly fall above the top surfaces of the crossing positions of the base longitudinal beams and the base cross beams;

the installation limiting clamps are welded on the bottom frame and the positions, corresponding to chord member columns, of the middle beams of the conversion joints, distances for inserting the top beams are reserved, two ends of the top beams at the top layer are respectively inserted into the installation limiting clamps, the height of the installation limiting clamps is equal to that of the bottom frame and the middle beams of the conversion joints, and the tops of the chord member columns are tightly propped against the bottoms of the four corners of the bottom frame and the bottoms of the two ends of the middle beams of the conversion joints.

The support system detachably mounted on the non-hardened ground also comprises a support conversion section, the support conversion section is a cubic frame body, the bottom dimension of the support conversion section is adapted to the top dimension of the bailey frame support, the bottom surface of the support conversion section is detachably connected to the top surface of the bailey frame support,

the support conversion section comprises conversion section upright posts, conversion section cross beams, conversion section diagonal braces and conversion section middle beams, wherein the conversion section upright posts are located at four corners, the conversion section cross beams are respectively welded at the top ends and the bottom ends of the conversion section upright posts in a surrounding mode to form top frames and bottom frames, the conversion section diagonal braces are welded at the side diagonal positions formed by the conversion section cross beams and the conversion section upright posts, the conversion section middle beams are parallel to the conversion section cross beams and are identical in size, the conversion section middle beams are longitudinally arranged, two ends of the conversion section middle beams are fixedly connected between the middle parts of the two conversion section cross beams, and the conversion section middle beams correspond to chord member upright post positions of middle sheets of the three-sheet unit plane truss.

The supporting system detachably installed on the non-hardened ground also comprises a supporting operation platform, wherein the supporting operation platform comprises a platform keel frame, a platform steel panel, a platform fence and a dismounting supporting frame,

the platform keel frame is a plane framework, the size of the platform keel frame is larger than the size of the top surface of the support conversion joint, the bottom surface of the platform keel frame is arranged on the top surface of the support conversion joint in a falling mode and welded on the top surface of the support conversion joint, the platform keel frame comprises a platform cross beam and a platform longitudinal beam, the platform cross beam is flush with the bottom surface and the top surface of the platform longitudinal beam, the platform steel panel is fully paved on the top surface of the platform keel frame, the platform rail is surrounded and welded on the edge of the top surface of the platform keel frame,

the disassembly and assembly support frames are arranged in rows along the longitudinal direction of the platform longitudinal beam at intervals, the number of rows of the disassembly and assembly support frames is the same as the number of the platform longitudinal beam, two adjacent rows of disassembly and assembly support frames are transversely aligned in rows, the bottom of the disassembly and assembly support frames is welded with the top surface of the platform longitudinal beam, and a reserved gap is formed in the bottom connecting position of the platform steel panel corresponding to the disassembly and assembly support frames for the disassembly and assembly support frames to be connected with the platform longitudinal beam.

The dismounting support frame comprises a center column, side support rods, a reinforcing plate, a dismounting groove and a dismounting plate,

the center column is formed by transversely assembling and welding two H-shaped steel, flange plates of the H-shaped steel are oppositely assembled and welded, inserting slots for vertical insertion of the mounting and dismounting plates are formed in the longitudinal central axis of the center column, side support rods are symmetrically arranged around the center column, the tops of the side support rods are welded on the side walls of the center column, the bottoms of the side support rods are welded on the platform keel frame, the reinforcing plates are tightly attached to the top end parts of the side walls of the flange plates on the two longitudinal sides of the center column, vertical mounting and dismounting grooves which are matched with the inserting slots are formed in the central axis of the reinforcing plates, mounting and dismounting plates are longitudinally arranged, and the mounting and dismounting plates are inserted into or taken out of the mounting and dismounting plate slots.

The side support rods comprise longitudinal side support rods symmetrically arranged on two longitudinal sides of the center column, and the longitudinal side support rods and the bottom ends of the center column are fixedly connected to the platform longitudinal beam.

The side support rods further comprise transverse side support rods which are symmetrically arranged on two transverse sides of the center column, the bottom ends of the transverse side support rods are fixedly connected to the platform cross beam, the disassembly support frames with the transverse side support rods are central support frames, the disassembly plates are rectangular, and the top surfaces of the disassembly plates arranged on the central support frames are provided with arc-shaped concave parts.

Compared with the prior art, the utility model has the following characteristics and beneficial effects:

the utility model solves the technical problems that the existing temporary support for the sectional installation of the large-span truss can only be erected on the hardened ground, and the application range is narrow, adopts a mode of combining the anti-overturning base and the anti-overturning wedge rod, wherein the anti-overturning base disperses the pressure of the upper bailey frame combined support to the non-hardened ground, and on the other hand, the anti-overturning wedge rod is inserted into the non-hardened ground to grasp the ground soil, so that the stability of the soil below the anti-overturning base is improved, the ground hardening process is omitted, the cost is reduced, the construction efficiency is improved, the application range is enlarged, and the settlement of the non-hardened ground is prevented.

The utility model solves the technical problems that the temporary support is made of profile steel or is supported by standard sections, the disassembly and the assembly are difficult, the consumption is large, more construction waste is formed, and the technology is very uneconomical, adopts the bailey frame joint support with all detachable and reusable nodes, realizes the repeated use through the connection design among the detachable support conversion section, the support operation platform and the disassembly and assembly support frame, saves resources, and simultaneously increases the downward force transmission efficiency when the long-span truss is installed.

The utility model creates a new design of unit-type combined sheet units, namely, the sheet units are spliced by plane trusses, and the existing standard section is supported in the same area and can only be provided with four support posts, but the basic unit section can reach six support posts, so that the bearing capacity is increased.

According to the utility model, through the corresponding force transmission design of each structural member in the whole force transmission process, downward load on the dismounting support frame is guaranteed to be accurately transmitted to the support operation platform and then transmitted to the support conversion joint, and then transmitted to the bailey frame to be jointly supported until the anti-overturning base and the anti-overturning wedge rod, so that the load transmission efficiency and stability on the non-hardened ground are guaranteed.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of the bottom part of the present utility model.

Fig. 3 is a schematic bottom view of the present utility model.

FIG. 4 is a schematic view of the structure of the anti-toppling base of the present utility model.

Fig. 5 is an enlarged partial view of fig. 4 illustrating the relative positions of the mounting stop clip and the web beam.

Fig. 6 is a schematic view of the combined support structure of the bailey frames of the present utility model.

Fig. 7 is a schematic structural view of the bailey frame stent of fig. 6.

Fig. 8 is a schematic view of the structure of the two base unit sections of fig. 7 in butt joint.

Fig. 9 is a schematic view of the structure of the connecting stabilizer bar of fig. 6.

Fig. 10 is a schematic view of the structure of the support conversion joint of the present utility model.

Fig. 11 is a schematic view of the bottom view of fig. 10 illustrating the relative positions of the mounting stop clip and the web beam.

Fig. 12 is a bottom view of the connection structure of the support adapter and the support operating platform of the present utility model.

Fig. 13 is a schematic top view of fig. 12.

Fig. 14 is a schematic view of the structure of fig. 13 with the platform steel panel removed.

Fig. 15 is a schematic structural view of a detachable support frame for supporting an operation platform according to the present utility model.

Fig. 16 is a schematic view of the disassembled structure of fig. 15.

FIG. 17 is a schematic view of the center post of FIG. 16 with the mounting and dismounting groove on the reinforcing plate.

Fig. 18 is a schematic structural view of a detachable support frame for supporting an operation platform according to another embodiment of the present utility model.

Reference numerals: the system comprises a 1-supporting operation platform, an 11-dismounting supporting frame, a 111-center column, a 112-side supporting rod, a 1121-longitudinal side supporting rod, a 1122-transverse side supporting rod, a 113-dismounting plate, a 114-reinforcing plate, a 115-dismounting groove, a 12-platform longitudinal beam, a 13-platform cross beam, a 14-platform steel panel, a 141-reserved notch, a 15-platform fence, a 2-supporting conversion node, a 21-conversion node cross beam, a 22-conversion node upright post, a 23-conversion node diagonal brace, a 24-conversion node middle beam, a 3-bailey frame combined support, a 31-bailey frame split support, a 311-unit plane truss, a 3111-chord upright post, a 3112-web beam, a 3113-web diagonal beam, a 312-lateral linking beam, a 313-lateral linking diagonal beam, a 32-linking stabilizing rod, a 33-bailey frame limit fixing clip, a 331-mounting limit clip, a 332-docking fixing clip, a 4-anti-tilting base, a 41-base cross beam, a 43-base longitudinal beam, a 44-beam limit clip and a 5-anti-tilting rod.

Detailed Description

The embodiment is shown in fig. 1, and the support system detachably installed on the non-hardened ground sequentially comprises an anti-overturning wedge rod 5, an anti-overturning base 4, a bailey frame combined support 3, a support conversion section 2 and a support operation platform 1 from bottom to top, wherein the support system is transverse along the front-rear side direction and longitudinal along the left-right side direction.

Referring to fig. 1-3, the anti-overturning wedge rods 5 are inserted into the non-hardened ground and are obliquely arranged, and the anti-overturning wedge rods 5 are arranged in pairs at two lateral sides and longitudinally at intervals.

Referring to fig. 3, the anti-overturning base 4 comprises a roadbed box 41, a base cross beam 42, a base longitudinal beam 43 and a beam limiting fixing clip 44.

Referring to fig. 1-3, the bottom surface of the roadbed box 41 is placed on the non-hardened ground, the roadbed box 41 is a rectangular box, the rectangular length direction of the rectangular box is longitudinal, the longitudinal vertical side wall is a stress side, the upper half parts of each pair of anti-overturning wedge rods 5 are welded with the stress sides of the two sides respectively, comb teeth formed by the anti-overturning wedge rods 5 on the same side are formed, the lower half parts of the anti-overturning wedge rods 5 are inserted into the non-hardened ground below the roadbed box 41 obliquely downwards and inwards relative to the vertical surface of the stress side, and the roadbed box 41 is supported upwards together through the anti-overturning wedge rods 5 on the two sides.

Referring to fig. 4, the base longitudinal beams 43 are provided with a group along the longitudinal parallel interval of the top surface of the roadbed box 41, the base cross beams 42 are provided with a group along the longitudinal parallel interval of the base longitudinal beams 43, the base cross beams 42 are flush with the bottom surface and the top surface of the base longitudinal beams 43, the base cross beams 42 are perpendicular to the base longitudinal beams 43 and welded with the base longitudinal beams 43 to form a grid-shaped base frame, the base frame is placed on the top surface of the roadbed box 41, and the front end and the rear end of the base cross beams 42, which exceed the base longitudinal beams 43, are fixedly connected with the top surface of the roadbed box 41 through beam limiting fixing clips 44.

In this embodiment, the cross section of the anti-overturning wedge rod 5 is i-steel, each side is uniformly provided with three wedge-shaped anti-overturning wedge rods, the bottom of each anti-overturning wedge rod is cut into a wedge shape, and the wedge-shaped anti-overturning wedge rod is gradually thinned from top to bottom. The flange plate of the I-steel is welded on the bottom edge of the roadbed box 41.

In this embodiment, the base cross beam 42 and the base longitudinal beam 43 are all i-steel, the beam limiting fixing clamp 44 is a door type and made of steel plates, a notch for accommodating the base cross beam 42 is formed in the bottom center of the base cross beam, the size of the notch is adapted to the outer outline size of the base cross beam 42, the beam limiting fixing clamp 44 is clamped on the base cross beam 42, the bottom surfaces of two sides of the beam limiting fixing clamp 44 are welded with the top surface of the roadbed box 41, and two end parts of each base cross beam 42 are arranged in parallel at intervals.

Referring to fig. 6-8, the bailey frame joint support 3 includes three parallel bailey frame branches 31 and a connecting stabilizer bar 32 between the connecting bailey frame branches, each bailey frame branch 31 is formed by vertically lengthening a base unit section, and the base unit section includes a unit plane truss 311, a lateral connecting beam 312, a lateral connecting diagonal brace 313 and a bailey frame limiting fixing clip 33.

Referring to fig. 8, the unit plane trusses 311 are arranged vertically and in columns in the lateral direction within each base unit section, with three sheets in each column. The unit plane truss 311 comprises chord member columns 3111, web member beams 3112 and web member diagonal braces 3113, the chord member columns 3111 are two in total, the web member beams 3112 are horizontally arranged between the chord member columns 3111 and are arranged along the height direction of the chord member columns 3111 at intervals, top beams, middle beams and bottom beams are respectively arranged, the top portions, the middle portions and the bottom portions of the chord member columns 3111 are sequentially connected, the web member diagonal braces 3113 are diamond-shaped, top angles and bottom angles of the web member diagonal braces are respectively connected to the middle portions of adjacent web member beams 3112, and side angles of two sides of the web member diagonal braces are respectively connected to the middle portions of adjacent chord member columns 3111.

Referring to fig. 8, the lateral tie beam 312 is disposed between the plane of the top beam and the plane of the bottom beam. The lateral connecting beams 312 are vertically arranged along the height direction of the unit plane trusses 311 at intervals, two ends of each lateral connecting beam 312 are in pin joint or are bolted between two longitudinal sides of the adjacent unit plane trusses 311, a rectangular fixing frame is formed between each unit plane truss 311 and the upper and lower adjacent lateral connecting beams 312, the lateral connecting diagonal braces 313 are in splayed pin joint or are bolted in the fixing frame, and the splayed opening directions of the upper and lower lateral connecting diagonal braces 313 are oppositely arranged. Wherein the second lateral tie beam 312 is positioned in the same horizontal plane as the center beam of web beam 3112, the second lateral tie beam 312 is positioned below the top beam plane, and the third lateral tie beam 312 is positioned above the bottom beam plane.

The corners of the lateral bracing 313 are connected adjacent to the middle of the lateral bracing beam 312 and the feet of the lateral bracing 313 are connected adjacent to the corners of the fixed frame.

In this embodiment, three base stringers 43 are provided, the positions of the base stringers 43 correspond to the positions of the three-piece unit plane truss 311, that is, the positions of each longitudinal chord column 3111, and six base cross members 42 are provided. The base cross member 42 is disposed at a position corresponding to the position of each of the chord columns 3111 in the lateral direction.

As shown in fig. 9, two ends of the linking stabilizer bar 32 are bolted between two lateral sides of the adjacent bailey frame struts 31, the linking stabilizer bar 32 is disposed at a web girder 3112 position at the upper and lower butt joint positions of the adjacent unit plane trusses 311, and two ends of the linking stabilizer bar 32 are respectively bolted with the side walls of the chord uprights 3111 at the positions.

In this embodiment, the components of the bailey frame joint support 3 are all made of i-steel.

Referring to fig. 8, the bailey frame limiting and fixing clip 33 is disposed at a transverse end position of a base unit section, and is detachably connected between the base unit section adjacent to each other up and down or between the base unit section and other structures through the bailey frame limiting and fixing clip 33. The bailey frame limiting and fixing clamp 33 is arranged corresponding to the positions of the chord member upright columns 3111, the bailey frame limiting and fixing clamp 33 comprises two channel steel supplying channels arranged in a back-to-back pair mode, the channel steel opening faces transversely, and a distance which is matched with the size of the chord member upright columns 3111 is kept between the two channel steel.

Specifically, the bailey frame limiting fixing clip 33 includes a butt joint fixing clip 332 welded on the chord upright post 3111, and the chord upright posts 3111 adjacent to each other are detachably connected by punching holes in the butt joint fixing clip 332 and bolting. Referring to fig. 4-5, the installation limiting clamp 331 is welded at the intersection position of the base longitudinal beam 43 and the base cross beam 42, a distance for inserting the bottom beam is reserved, two ends of the bottom beam at the bottom layer are respectively inserted into the installation limiting clamp 331, the height of the installation limiting clamp 331 is equal to that of the base frame, and the bottom of the chord column 3111 is correspondingly placed above the top surface at the intersection position of the base longitudinal beam 43 and the base cross beam 42.

Referring to fig. 10-11, the support conversion section 2 is a cubic frame, the bottom dimension of the support conversion section 2 is adapted to the top dimension of the bailey frame support 31, the bottom surface of the support conversion section 2 is pinned or bolted to the top surface of the bailey frame support 31, and the support conversion section adjusts the support height in the whole structure through the conversion section. The support conversion section 2 comprises conversion section upright posts 22, conversion section cross beams 21, conversion section diagonal braces 23 and conversion section middle beams 24, the conversion section upright posts 22 are located at four corners, the conversion section cross beams 21 are respectively welded at the top ends and the bottom ends of the conversion section upright posts 22 in a surrounding mode to form a top frame and a bottom frame, the conversion section diagonal braces 23 are welded at the side diagonal positions formed by the conversion section cross beams 21 and the conversion section upright posts 22, the conversion section middle beams 24 are parallel to the conversion section cross beams 21 and have the same size, the conversion section middle beams 24 are longitudinally arranged, two ends of the conversion section middle beams are fixedly connected between the middle parts of the two conversion section cross beams 21 of the bottom frame, and the conversion section middle beams 24 correspond to the chord member upright posts 3111 of the middle sheets of the three-sheet unit plane truss 311.

Referring to fig. 11, the mounting limiting clamp 331 is further welded on the bottom frame and the position of the middle beam 24 of the conversion section corresponding to the chord member column 3111, the distance for inserting the top beam is reserved, two ends of the top beam at the top layer are respectively inserted into the mounting limiting clamp 331, the height of the mounting limiting clamp 331 is equal to the heights of the bottom frame and the middle beam 24 of the conversion section, and the top of the chord member column 3111 is tightly propped under the bottom surfaces of the four corners of the bottom frame and under the bottom surfaces of two ends of the middle beam 24 of the conversion section.

Referring to fig. 12-14, the supporting operation platform 1 comprises a platform keel frame, a platform steel panel 14, a platform rail 15 and a detachable supporting frame 11. The platform keel frame is a plane framework, the size of the platform keel frame is larger than the size of the top surface of the support conversion joint 2, the bottom surface of the platform keel frame is arranged on the top surface of the support conversion joint 2 in a falling mode and welded to the top surface of the support conversion joint 2, the platform keel frame comprises a platform cross beam 13 and a platform longitudinal beam 12, the platform cross beam 13 is flush with the bottom surface and the top surface of the platform longitudinal beam 12, a platform steel panel 14 is fully paved on the top surface of the platform keel frame, and a platform fence 15 is encircled and welded to the edge of the top surface of the platform keel frame.

In this embodiment, two platform stringers 12 are provided, five platform beams 13 are provided, and all the platform beams are made of i-steel.

Referring to fig. 12-14, the dismounting support frames 11 are longitudinally arranged in rows along the length direction of the platform longitudinal beam 12 at intervals, the number of rows of the dismounting support frames 11 is the same as that of the platform longitudinal beam 12, two adjacent rows of dismounting support frames 11 are transversely aligned in rows, the bottom of the dismounting support frames 11 is welded with the top surface of the platform longitudinal beam 12, and a reserved gap 141 is formed in the platform steel panel 14 corresponding to the bottom connection position of the dismounting support frames 11 for connecting the dismounting support frames 11 with the platform longitudinal beam 12.

Referring to fig. 15 to 17, the detachable support frame 11 includes a center post 111, side support bars 112, reinforcing plates 114, detachable grooves 115, and detachable plates 113. The center column 111 is formed by transversely assembling and welding two H-shaped steel, flange plates of the H-shaped steel are oppositely assembled and welded, an inserting slot for vertically inserting the disassembling plate 113 is formed in the longitudinal central axis of the center column 111, the side support rods 112 are symmetrically arranged around the center column 111, the tops of the side support rods 112 are welded on the side wall of the center column 111, the bottoms of the side support rods 112 are welded on the platform keel frame, the reinforcing plate 114 is tightly attached to the top end parts of the flange plate side walls on the two longitudinal sides of the center column 111, vertical disassembling grooves 115 which are matched with the inserting slot are formed in the central axis of the reinforcing plate 114, the two vertical disassembling grooves are communicated to form a disassembling plate inserting slot, and the disassembling plate 113 is longitudinally arranged and is inserted into or taken out of the disassembling plate inserting slot.

Referring to fig. 13-15, the side support bars 112 include longitudinal side support bars 1121 symmetrically disposed on two longitudinal sides of the center pillar 111, and the longitudinal side support bars 1121 and the bottom end of the center pillar 111 are fixedly connected to the side sill 12. Referring to fig. 13-15 and 18, the side support rods 112 further include lateral side support rods 1122 symmetrically added on both lateral sides of the center column 111, the bottom ends of the lateral side support rods 1122 are fixedly connected to the platform beam 13, the dismounting support frame 11 with the lateral side support rods 1122 is a center support frame, the dismounting plates 113 are rectangular, and the dismounting plates 113 arranged on the center support frame are rectangular plates.

Referring to fig. 13-18, in this example, two rows of three rows of dismounting support frames 11 are provided, and the two rows correspond to the two platform stringers 12 respectively. The middle-row dismounting support frame 11 of the three-row dismounting support frame 11 is provided with side support rods 112 on four side surfaces, namely, longitudinal side support rods 1121 and transverse side support rods 1122 are arranged, the bottoms of the transverse side support rods 1122 are fixedly connected to a central platform cross beam 13, and the top surfaces of the middle-row dismounting plates 113 are provided with arc-shaped concave grooves. The side column dismounting support frame 11 in the three rows of dismounting support frames 11 is provided with side support rods 112 on only two side surfaces, namely longitudinal side support rods 1121, and side column dismounting plates 113 are rectangular plates.

The construction method of the support system detachably mounted on the non-hardened ground comprises the following construction steps:

firstly, measuring and positioning the installation position of the support system.

Step two, installing an anti-overturning base 4:

step a, measuring the position of a positioning point in the step one, wedging an anti-overturning wedge rod 5 into soil below an anti-overturning base 4 by using a hooking machine, leveling a roadbed box 41, and then welding the anti-overturning wedge rod 5 on the roadbed box 41;

step b, assembling and welding the base cross beam 42 and the base longitudinal beam 43 to form a base frame;

and c, placing the base frame on the top surface of the roadbed box 41, clamping the base frame by using the beam limiting fixing clamp 44, and welding the beam limiting fixing clamp 44 and the roadbed box 41.

Step three, mounting a bailey frame joint support 3:

step a, splicing basic unit sections: arranging three prefabricated unit plane trusses 311 in parallel in a factory, arranging lateral connecting beams 312 between the unit plane trusses 311, pinning the lateral connecting beams 312 with the unit plane trusses 311 to form a fixed frame, and pinning lateral connecting diagonal braces 313 with the fixed frame to form each basic unit section; three basic unit sections are arranged according to preset positions;

step b, welding a bailey frame limiting fixing card 33 at a position where the bailey frame combined support 3 is designed and installed on the anti-overturning base 4;

c, lifting the first layer of foundation unit sections, placing the foundation unit sections in the bailey frame limiting fixing clamp 33 in the step b according to the measuring and positioning lines, and clamping;

and d, hoisting a second layer of foundation unit sections, detachably connecting two layers of foundation unit sections through a bailey frame limiting fixing clamp 33 to form three bailey frame sub-supports 31, and during construction, bolting and connecting adjacent foundation unit sections along with the layers by using a connecting stabilizer bar 32 to finally form the bailey frame joint support 3.

Step four, installing a support conversion section 2:

step a, assembling the conversion joint upright post 22 and the conversion joint cross beam 21, and welding; a conversion joint diagonal bracing 23 is welded between the conversion joint upright post 22 and the conversion joint cross beam 21;

step b, welding a bailey frame limiting fixing clip 33 at a position corresponding to each bailey frame support 31 on the bottom surface of each support conversion section 2;

and c, placing each support conversion section 2 on the top of each bailey frame support 31, and then detachably connecting the support conversion sections with each other.

Step five, installing and supporting an operation platform 1:

step a, the platform cross beam 13 and the platform longitudinal beam 12 are longitudinally and transversely spliced and welded to form a platform keel frame;

step b, welding a platform rail 15 around the platform keel frame;

step c, positioning the position of a disassembly and assembly support frame 11 to be installed on the platform keel frame;

step d, flatly paving a platform steel panel 14 on the platform keel frame;

step e, assembling and disassembling the supporting frame 11: firstly, assembling two H-shaped steels into a central column 111; then, side support rods 112 are arranged on four sides or two sides of the center column 111, and welded and connected; then, reinforcing plates 114 are arranged on two sides of the flange plate on the center column 111, and welded and connected; then, mounting and dismounting grooves 115 are formed on the two sides of the flange plate and the reinforcing plate 114 on the center column 111; finally, placing an assembling and disassembling plate 113 on the assembling and disassembling plate slot;

step f, hoisting the dismounting support frame 11 to the platform steel panel 14, and then welding the center column 111 and the side support rods 112 with the platform keel frame respectively to support the operation platform 1;

and g, integrally welding the bottom surface of the platform keel frame supporting the operation platform 1 on the top surface of the support conversion joint 2.

Claims (10)

1. A support system for removable installation on non-hardened ground, characterized by: comprises an anti-overturning wedge rod (5), an anti-overturning base (4) and a bailey frame combined support (3) from bottom to top in sequence, wherein the anti-overturning wedge rod is transverse along the front-back side direction and longitudinal along the left-right side direction,

the anti-overturning wedge rod (5) is an inserted rod which is inserted into the non-hardened ground and is obliquely arranged, the two lateral sides of the anti-overturning wedge rod (5) are arranged in pairs and longitudinally at intervals, the bottom of the anti-overturning wedge rod (5) is cut into a wedge shape, the size of the wedge shape is gradually thinned from top to bottom,

the anti-overturning base (4) comprises a roadbed box (41), a base cross beam (42), a base longitudinal beam (43) and a beam limiting fixing clamp (44),

the bottom surface of the roadbed box (41) is placed on the non-hardened ground, the roadbed box (41) is a rectangular box, the rectangular length direction of the roadbed box is longitudinal, the longitudinal vertical side wall is a stress side, the upper half part of each pair of anti-overturning wedge rods (5) is welded with the stress sides of the two sides respectively, the comb teeth formed by the anti-overturning wedge rods (5) on the same side are shaped like comb teeth, the lower half part of the anti-overturning wedge rod (5) is inserted into the non-hardened ground below the roadbed box (41) obliquely downwards and inwards relative to the vertical surface of the stress side, the roadbed box (41) is supported upwards together through the anti-overturning wedge rods (5) on the two sides,

the base longitudinal beams (43) are arranged in a group along the longitudinal parallel interval of the top surface of the roadbed box (41), the base transverse beams (42) are arranged in a group along the longitudinal direction of the base longitudinal beams (43) at parallel intervals, the base transverse beams (42) are flush with the bottom surface and the top surface of the base longitudinal beams (43), the base transverse beams (42) are perpendicular to the base longitudinal beams (43) and welded with the base longitudinal beams (43) to form a grid-shaped base frame, the base frame is placed on the top surface of the roadbed box (41), the front end and the rear end parts of the base transverse beams (42) which exceed the base longitudinal beams (43) are fixedly connected with the top surface of the roadbed box (41) through beam limiting fixing clips (44),

the beam limiting fixing clamp (44) is in a door shape, the bottom center of the beam limiting fixing clamp is provided with a notch for accommodating the base beam (42), the size of the notch is matched with the outer contour size of the base beam (42), the beam limiting fixing clamp (44) is clamped on the base beam (42), the bottom surfaces of the two sides of the beam limiting fixing clamp (44) are welded with the top surface of the roadbed box (41),

the bailey frame joint support (3) comprises at least three bailey frame sub-supports (31) which are arranged in parallel and a connecting stabilizer bar (32) between the connecting bailey frame sub-supports, each bailey frame sub-support (31) is formed by vertically lengthening a basic unit section, the basic unit section comprises a unit plane truss (311), a lateral connecting beam (312), a lateral connecting diagonal support (313) and a bailey frame limiting fixing card (33),

the unit plane trusses (311) are vertically arranged and are transversely arranged in rows in each basic unit section, three units are arranged in each row,

at least three lateral connecting beams (312) are vertically arranged along the height direction of the unit plane trusses (311) at intervals, two ends of each lateral connecting beam (312) are detachably connected between two longitudinal sides of the adjacent unit plane trusses (311), a rectangular fixed frame is formed between each unit plane truss (311) and the adjacent upper and lower lateral connecting beams (312), each lateral connecting diagonal brace (313) is in a splayed shape and is detachably connected in the fixed frame,

the Beehive limiting fixing card (33) is arranged at the transverse end position of the foundation unit section, and the foundation unit sections which are adjacent up and down or the foundation unit section and other structures are detachably connected through the Beehive limiting fixing card (33),

two ends of the connecting stabilizer bar (32) are bolted between two lateral sides of the adjacent bailey frame supports (31).

2. The non-hardened above ground removably mounted support system according to claim 1, wherein: the unit plane truss (311) comprises chord member columns (3111), web member beams (3112) and web member diagonal braces (3113), wherein the chord member columns (3111) are two in total, the web member beams (3112) are horizontally arranged between the chord member columns (3111), three top beams, middle beams and bottom beams are arranged at intervals along the height direction of the chord member columns (3111), the top beams, the middle beams and the bottom beams are respectively connected between the tops, the middle portions and the bottoms of the chord member columns (3111) in sequence, the web member diagonal braces (3113) are diamond-shaped, top angles and bottom angles of the web member diagonal braces are respectively connected to the middle portions of adjacent web member beams (3112), and side angles of two sides of the web member diagonal braces are respectively connected to the middle portions of the adjacent chord member columns (3111);

the lateral connecting beams (312) are arranged between the plane of the top beam and the plane of the bottom beam,

the corner of the lateral linking diagonal brace (313) is connected to the middle part adjacent to the lateral linking beam (312), the foot of the lateral linking diagonal brace (313) is connected to the corner adjacent to the fixed frame,

three base longitudinal beams (43) are arranged, the arrangement positions of the base longitudinal beams (43) correspond to the arrangement positions of three unit plane trusses (311), namely, each longitudinal chord column (3111),

the arrangement position of the base cross beam (42) corresponds to the arrangement position of each column of chord uprights (3111) in the transverse direction.

3. The non-hardened above ground removably mounted support system according to claim 2, wherein: the connecting stabilizer bar (32) is arranged at the web girder (3112) position at the upper and lower butt joint position of the adjacent unit plane trusses (311), and two ends of the connecting stabilizer bar (32) are respectively bolted with the side wall of the chord column (3111) where the connecting stabilizer bar (32) is positioned.

4. A non-hardened above ground removably mounted support system according to claim 3, wherein: the bailey frame limiting and fixing clamp (33) is correspondingly arranged with the positions of the chord member upright posts (3111), the bailey frame limiting and fixing clamp (33) comprises two channel steel provided with channel steel, each group of two channel steel is arranged back to back in pairs, the channel steel opening is oriented transversely, the distance which is adapted to the size of the chord member upright posts (3111) is kept between the two channel steel,

the bailey frame limiting fixing clamp (33) comprises a butt joint fixing clamp (332) welded on the chord member upright post (3111), and the chord member upright posts (3111) adjacent to each other are detachably connected through punching holes on the butt joint fixing clamp (332) and bolting.

5. The non-hardened above ground removably attachable support system according to claim 4, wherein: the bailey frame limiting fixing card (33) also comprises an installation limiting card (331) welded on other structures,

the installation limiting clamp (331) is welded at the crossing position of the base longitudinal beam (43) and the base cross beam (42), the distance for inserting the bottom beam is reserved, two ends of the bottom beam at the bottom layer are respectively inserted into the installation limiting clamp (331), the height of the installation limiting clamp (331) is equal to that of the base frame, and the bottom of the chord member upright post (3111) correspondingly falls above the top surface at the crossing position of the base longitudinal beam (43) and the base cross beam (42);

the installation limiting clamp (331) is further welded on the bottom frame and the position of the conversion section middle beam (24) corresponding to the chord member upright post (3111), the distance for inserting the top beam is reserved, two ends of the top beam at the top layer are respectively inserted into the installation limiting clamp (331), the height of the installation limiting clamp (331) is equal to the heights of the bottom frame and the conversion section middle beam (24), and the top of the chord member upright post (3111) is tightly propped against the bottom surface below the four corners of the bottom frame and the bottom surface below the two ends of the conversion section middle beam (24).

6. A non-hardened above ground removably attachable support system according to any one of claims 2-5, wherein: the support conversion section (2) is a cubic frame body, the bottom size of the support conversion section (2) is matched with the top size of the bailey frame support (31), the bottom surface of the support conversion section (2) is detachably connected to the top surface of the bailey frame support (31),

the support conversion section (2) comprises conversion section upright posts (22), conversion section cross beams (21), conversion section diagonal braces (23) and conversion section middle beams (24), the conversion section upright posts (22) are located at four corners, the conversion section cross beams (21) are respectively welded at the top ends and the bottom ends of the conversion section upright posts (22) in a surrounding mode to form top frames and bottom frames, the conversion section diagonal braces (23) are welded at the side diagonal positions formed by the conversion section cross beams (21) and the conversion section upright posts (22), the conversion section middle beams (24) are parallel to the conversion section cross beams (21) and are identical in size, the conversion section middle beams (24) are longitudinally arranged, two ends of the conversion section middle beams are fixedly connected between the middle portions of the bottom frame transverse two conversion section cross beams (21), and the conversion section middle beams (24) correspond to the positions of chord member upright posts (3111) of middle sheets of three unit plane trusses (311).

7. The non-hardened above ground removably attachable support system according to claim 6, wherein: the device also comprises a supporting operation platform (1), wherein the supporting operation platform (1) comprises a platform keel frame, a platform steel panel (14), a platform fence (15) and a dismounting support frame (11),

the platform keel frame is a plane framework, the size of the platform keel frame is larger than the size of the top surface of the support conversion joint (2), the bottom surface of the platform keel frame is arranged on the top surface of the support conversion joint (2) in a falling mode and welded, the platform keel frame comprises a platform cross beam (13) and a platform longitudinal beam (12), the platform cross beam (13) is flush with the bottom surface and the top surface of the platform longitudinal beam (12), the platform steel panel (14) is fully paved on the top surface of the platform keel frame, the platform rail (15) is encircled and welded on the edge of the top surface of the platform keel frame,

the disassembly and assembly support frames (11) are longitudinally arranged at intervals along the length direction of the platform longitudinal beam (12) in rows, the number of rows of the disassembly and assembly support frames (11) is the same as that of the platform longitudinal beam (12), two adjacent rows of disassembly and assembly support frames (11) are transversely aligned in rows, the bottom of the disassembly and assembly support frames (11) is welded with the top surface of the platform longitudinal beam (12), and a reserved gap (141) is formed in the bottom connecting position of the platform steel panel (14) corresponding to the disassembly and assembly support frames (11) for the disassembly and assembly support frames (11) to be connected with the platform longitudinal beam (12).

8. The non-hardened above ground removably mounted support system according to claim 7, wherein: the dismounting support frame (11) comprises a center column (111), side support rods (112), a reinforcing plate (114), a dismounting groove (115) and a dismounting plate (113),

the center column (111) is formed by transversely assembling and welding two H-shaped steel, flange plates of the H-shaped steel are oppositely welded, an inserting slot for vertically inserting an assembling and disassembling plate (113) is formed in the longitudinal central axis of the center column (111), side support rods (112) are symmetrically arranged around the center column (111), the tops of the side support rods (112) are welded on the side wall of the center column (111), the bottoms of the side support rods (112) are welded on a platform keel frame, reinforcing plates (114) are tightly attached to the top end parts of the flange plate side walls on the two longitudinal sides of the center column (111), vertical assembling and disassembling grooves (115) which are matched with the inserting slots are formed in the central axis of the reinforcing plates (114), the two connecting and disassembling plates are longitudinally arranged, and the assembling and disassembling plates (113) are inserted into or taken out of the assembling and disassembling plate slots.

9. The non-hardened above ground removably mounted support system according to claim 8, wherein: the side support rods (112) comprise longitudinal side support rods (1121) symmetrically arranged on two longitudinal sides of the center column (111), and the bottom ends of the longitudinal side support rods (1121) and the center column (111) are fixedly connected to the platform longitudinal beam (12).

10. The non-hardened above ground removably mounted support system according to claim 8 or 9, wherein: the side support rods (112) further comprise transverse side support rods (1122) symmetrically arranged on two transverse sides of the center column (111), the bottom ends of the transverse side support rods (1122) are fixedly connected to the platform cross beam (13), the disassembly support frames (11) with the transverse side support rods (1122) are central support frames, the disassembly plates (113) are rectangular, and arc-shaped indent is formed in the top surfaces of the disassembly plates (113) arranged on the central support frames.

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