CN210031512U - Assembly type triangular support system and assembly type operating platform - Google Patents

Abstract

The utility model provides an assembled triangular supports system and assembled operation platform, wherein, assembled triangular supports system includes triangle-shaped bearing structure and pre-buried in selected engineering interface and with the embedded structure that triangle-shaped bearing structure is connected, triangle-shaped bearing structure includes two at least parallel arrangement and through the triangle-shaped support frame that the parallel connection is connected, the triangle-shaped support frame includes the first bracing piece that terminal and embedded structure are connected, extend to engineering interface surface with second bracing piece and both ends that lean on from the free end of first bracing piece are connected with first bracing piece and second bracing piece respectively in order to constitute triangle-shaped's third bracing piece. Under the condition that the triangular support frame is stressed by pressure, the end part of the second support rod, which is close to the engineering interface, plays a supporting role, and the characteristics of concrete, a pre-buried structure and steel are fully exerted through the stress analysis of a scientific and reasonable structure so as to achieve the purposes of good support performance and high stability, and the triangular support frame is simple and convenient to install.

Description

Assembly type triangular support system and assembly type operating platform

Technical Field

The utility model relates to a bridge engineering field especially relates to an assembled triangular supports system and adopt this assembled triangular supports system's assembled operation platform.

Background

With the remarkable development of the traffic construction technology in China, the proportion of bridge engineering in traffic construction is heavier and heavier due to small occupied area, wide application range and reasonable manufacturing cost. When the bridge is installed and constructed on the overhead operation platform, the construction environment, the construction geographical position, the construction safety and the like are affected, and if a conventional welding construction process of the on-site operation platform is adopted, the labor input and the construction cost are high. If the welding quality control system is influenced by site construction conditions, potential safety hazards are increased, and the welding quality control difficulty of a site operation platform is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembled triangular supports system with simple structure, the good effect of stability.

Another object of the utility model is to provide an assembled operation platform including above-mentioned assembled triangular supports system.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an assembled triangular supports system, includes triangle-shaped bearing structure and pre-buried in selected engineering interface and the embedded structure who is connected with triangle-shaped bearing structure, triangle-shaped bearing structure includes two at least parallel arrangement and the triangle-shaped support frame through parallel connection, the triangle-shaped support frame include terminal with first bracing piece, the follow that embedded structure connects the free end of first bracing piece extend to engineering interface surface with the second bracing piece and the both ends that support against respectively with first bracing piece and second bracing piece are connected in order to constitute triangular third bracing piece.

Further setting: the first supporting rod is perpendicular to the engineering interface, and the third supporting rod is perpendicular to the first supporting rod and parallel to the engineering interface.

Through the above scheme, triangle-shaped support frame and embedded structure are connected in order to strengthen its and engineering interface connection's stability, in addition, triangle-shaped support frame includes first bracing piece, second bracing piece and third bracing piece, only be the end of first bracing piece with embedded structure is connected, and the other end that triangle-shaped support frame is close to engineering interface and the tip that the second bracing piece is close to engineering interface lean on with engineering interface, its simple structure, but under the compressive stress's that receives of triangle-shaped support frame the condition, the tip that the second bracing piece is close to engineering interface can receive the holding power at engineering interface, in order to play the effect of support, carry out structural stress analysis through scientific and reasonable, can full play concrete, embedded structure and steel are respective characteristic, in order to reach that the support nature is good, the high purpose of stability, it is more simple and convenient to install simultaneously.

Further setting: and a connecting assembly for connecting the tail end of the first supporting rod of the triangular supporting frame and the embedded structure is arranged between the tail end of the first supporting rod of the triangular supporting frame and the embedded structure.

Further setting: the connecting assembly comprises an extension anchor bar connected with the embedded structure and an end plate matched with the extension anchor bar, the end plate is fixed with the tail end of the first supporting rod, and a fastener used for tightly abutting against the end plate and the engineering interface is sleeved on the extension anchor bar.

Further setting: the end plate is provided with a mounting hole for the lengthened anchor bar to pass through, and the bottom of the end plate is provided with a connecting groove which extends to the mounting hole and is communicated with the mounting hole.

By the scheme, the lengthened anchor bar connected with the embedded structure penetrates through the end plate connected with the triangular support frame, and the end plate and the triangular support frame are fixed by the fastener, so that the embedded structure can be connected with the triangular support frame, and the structure is simple; in addition, the connecting grooves can facilitate the extending anchor bars to penetrate through the end plate from the mounting holes so as to facilitate subsequent mounting.

Further setting: the fastener is a nut matched with the lengthened anchor bar.

Further setting: and the lengthened anchor bar is sleeved with an anchor bar base plate positioned between the end plate and the nut.

Through the scheme, the anchor bar backing plate is arranged on the lengthened anchor bar and can be used for anchoring the lengthened anchor bar, so that the lengthened anchor bar meets the requirement of compressive stress during prestress tensioning construction.

Further setting: the embedded structure comprises an embedded cylinder and embedded anchor bars inserted in the embedded cylinder, and the extension anchor bars are inserted in the embedded cylinder so as to be connected with the embedded anchor bars.

Further setting: and the embedded anchor bars are provided with spiral structures.

Through above-mentioned scheme, set up helical structure on the pre-buried anchor bar, can further increase the area of contact between pre-buried anchor bar and the concrete, make bonding between them more firm.

Further setting: the embedded structure further comprises a plurality of positioning steel bars, and the positioning steel bars are arranged in a staggered mode and form a closed area for the embedded anchor bars to penetrate through.

Through above-mentioned scheme, pre-buried anchor bar passes the closed region that is formed by the crisscross setting each other of many holding steel bars in order to realize the location, and then improves the accuracy of pre-buried anchor bar position, many holding steel bars simultaneously can be pre-buried in the engineering interface to further strengthen pre-buried structure's stability.

Further setting: the second bracing piece with the tip that engineering interface leaned on still is equipped with backup pad subassembly, the backup pad subassembly includes the backup pad of being connected with the cross-section of second bracing piece tip and is connected with the backup pad and follows the connecting plate of the length direction extension of second bracing piece.

By the proposal, the supporting plate component is arranged at the end part of the second supporting rod against the engineering interface and can be used for increasing the action area of the second supporting rod and the engineering interface,

an assembled operating platform comprises the assembled triangular support system and a panel which is laid on a flat connection part connected with the triangular support frame and can form the platform.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model discloses an among the assembled triangular supports system, the triangle-shaped support frame is connected in order to strengthen its and engineering interface connection's stability with embedded structure, furthermore, the triangle-shaped support frame includes first bracing piece, second bracing piece and third bracing piece, only be the end of first bracing piece with embedded structure is connected, and the other end that the triangle-shaped support frame is close to engineering interface and the tip that the second bracing piece is close to engineering interface only lean on with engineering interface, a structure is simple, but under the compressive stress's of receiving of make full use of triangle-shaped support frame the effect that the tip that the second bracing piece is close to engineering interface can play the support, carry out structural stress analysis through scientific and reasonable, can full play the concrete, embedded structure and steel respective characteristic, it is good to reach the support nature, the high purpose of stability, it is more simple and convenient to install simultaneously.

2. The utility model discloses an among the assembled triangular supports system, pre-buried structure adopts the mutual crisscross location structure who sets up in order to form pre-buried anchor bar of many pilot bars, has not only improved the positioning accuracy of pre-buried anchor bar to the pilot bar is pre-buried in the engineering interface, can further improve pre-buried structure's stability.

3. In the assembly type operation platform, the construction method of the traditional on-site welding operation platform is broken through, the standardized design is adopted, the operation platform is uniformly processed, manufactured and checked by a professional steel structure factory, and the structure is provided with a guarantee; meanwhile, the assembly integration and the modular construction are carried out, the embedded structure is unified, the material is discharged on the back field, and the assembly is carried out by adopting a positioning die method on the site, so that the construction working efficiency is high and the precision is guaranteed; in addition, a full-assembly construction method is adopted, high-altitude operation is not needed, no welding machine cutting operation is needed on site, control of concrete entity and appearance quality is facilitated, and installation is environment-friendly; the detachable steel plate can be detached after being used, the detachment is convenient and simple, the detachable steel plate can be installed in a reverse order, and the detachable steel plate can be repeatedly used after being detached, so that the resource is saved, and the construction cost is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the fabricated operation platform of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a front view of one embodiment of the fabricated operations platform of the present invention;

fig. 4 is a schematic structural diagram of a connecting assembly according to an embodiment of the assembled triangular support system of the present invention;

fig. 5 is a schematic structural diagram of a pre-buried structure of an embodiment of the fabricated triangular support system of the present invention;

fig. 6 is a schematic structural diagram of the positioning steel bar of an embodiment of the assembly type triangular supporting system of the present invention.

In the figure, 11, a triangular support frame; 111. a first support bar; 112. a second support bar; 113. a third support bar; 12. parallel connection; 2. pre-embedding the structure; 21. embedding anchor bars; 22. pre-embedding the cylinder; 23. positioning the reinforcing steel bars; 3. a connecting assembly; 31. an end plate; 32. lengthening anchor bars; 33. anchor bar backing plates; 34. positioning a plate; 35. a stiffening plate; 36. a fastener; 37. mounting holes; 4. a support plate assembly; 41. a support plate; 42. a connecting plate; 5. a panel; 6. protecting the guard rail; 7. a cable tower.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The utility model relates to an assembled triangular supports system mainly is applied to the bridge engineering field, through the utility model discloses can reach not receiving under the condition that bridge construction height, site operation environment influence, in advance, safe, swift completion construction, not only improve the efficiency of construction, more be favorable to construction safety and control structure quality moreover.

Referring to fig. 1 to 6, the fabricated triangular support system includes a triangular support structure and a pre-buried structure 2 pre-buried in a selected engineering interface, and a connection assembly 3 for connecting the triangular support structure and the pre-buried structure 2 is disposed therebetween.

Referring to fig. 1, the triangular support structure includes at least two triangular support frames 11 arranged in parallel, preferably, three triangular support frames 11 are provided in the present embodiment, a distance between adjacent triangular support frames 11 is 120cm, and the three triangular support frames 11 are connected by a parallel connection 12. Triangle-shaped support frame 11 includes first bracing piece 111, second bracing piece 112 and third bracing piece 113, first bracing piece 111's end is connected with embedded structure 2, its free end with second bracing piece 112's one end is connected, second bracing piece 112's the other end extends to the engineering interface with the engineering interface supports and leans on, third bracing piece 113's both ends respectively with first bracing piece 111 and second bracing piece 112 are connected in order to constitute triangle-shaped. Further, the first supporting rod 111 is perpendicular to the engineering interface, the third supporting rod 113 is perpendicular to the first supporting rod 111 and parallel to the engineering interface, and an included angle between the first supporting rod 111 and the second supporting rod 112 is greater than or equal to 45 °. Preferably, the first support rod 111, the second support rod 112, the third support rod 113 and the parallel connection 12 are all made of I14 steel, the first support rod 111, the second support rod 112 and the third support rod 113 are connected by welding, and the parallel connection 12 and the first support rod 111 are connected by welding.

Referring to fig. 1 to 4, the connection assembly 3 is disposed at the end of the first support rod 111 connected to the embedded structure 2, and includes an elongated anchor bar 32 connected to the embedded structure 2 and an end plate 31 matched with the elongated anchor bar 32, the end plate 31 is fixed to the end of the first support rod 111, the end plate 31 is provided with a mounting hole 37 for the elongated anchor bar 32 to pass through, the elongated anchor bar 32 connected to the embedded structure 2 passes through the mounting hole 37 of the end plate 31, and a fastener 36 sleeved on the elongated anchor bar 32 and used for abutting against the end plate 31 and the engineering interface is applied on the elongated anchor bar 32, so as to connect the embedded structure 2 to the triangular support frame 11. Preferably, the fastener 36 is a nut that mates with the elongated anchor 32.

Further, the bottom of the end plate 31 is provided with a connecting groove (not shown in the drawings, the same applies below) extending to the mounting hole 37 and communicating with the mounting hole 37, so that when the triangular support frame 11 is hoisted, the elongated anchor bar 32 can enter the mounting hole 37 through the connecting groove.

Furthermore, the elongated anchor bar 32 is sleeved with an anchor bar backing plate 33 positioned between the end plate 31 and the nut, and the elongated anchor bar 32 is provided with the anchor bar backing plate 33 for anchoring the elongated anchor bar 32, so that the elongated anchor bar 32 meets the requirement of compressive stress during prestress tensioning construction.

A positioning plate 34 perpendicular to the end plate 31 is further fixed on the end plate 31, the bottom surface of the positioning plate 34 abuts against the top of the first supporting rod 111, and a stiffening plate 35 for reinforcing the structures of the positioning plate 34 and the end plate 31 is further arranged between the positioning plate 34 and the end plate 31. The positioning plate 34 is arranged to determine the position of the end plate 31, so as to improve the accuracy of the connection of the end plate 31 and the connecting assembly 3.

Referring to fig. 2, 5 and 6, the embedded structure 2 includes an embedded cylinder 22 embedded in a concrete structure of an engineering interface and embedded anchor bars 21 inserted in the embedded cylinder 22, the embedded cylinder 22 is used as a connecting member between the extension anchor bars 32 and the embedded anchor bars 21, and the extension anchor bars 32 and the embedded anchor bars 21 are both in threaded connection with the embedded cylinder 22, so that the embedded cylinder is convenient to disassemble and assemble. Preferably, the embedded structure 2 connected to each triangular support frame 11 includes two parallel embedded anchor bars 21 and elongated anchor bars 32, and two mounting holes 37 are opened on the end plate 31 of the triangular support frame 11 correspondingly connected thereto. The embedded anchor bars 21 are also provided with spiral structures, and the contact area between the embedded anchor bars 21 and the concrete structure of the engineering interface can be enhanced through the spiral structures, so that the embedded anchor bars and the concrete structure are bonded more firmly.

The embedded anchor bars 21 are threaded anchor bars with the length of 67cm and the diameter of 3.2cm, the length of the embedded cylinder 22 is 14cm, and the length of the embedded anchor bars 21 which need to be screwed into the embedded cylinder 22 during embedding is 7 cm; the extension anchor bars 32 are threaded anchor bars with the length of 20cm and the diameter of 3.2cm, and meanwhile, when the extension anchor bars 32 are connected with the embedded anchor bars 21, the extension anchor bars 32 also need to be screwed into the embedded cylinders 22 and have the length of 7 cm. The size is related to the bearing requirement, and adaptability adjustment can be carried out according to the actual bearing requirement in the construction process.

Further, embedded structure 2 still includes many spacer bars 23, many spacer bar 23 can crisscross the setting each other and form the confession the closed region that embedded anchor bar 21 passed, preferably, spacer bar 23 includes the first spacer bar of two parallels and four parallel and with first spacer bar vertically second spacer bar, can constitute two interconnect's "well" style of calligraphy structure through two first spacer bars and four second spacer bars to make two embedded anchor bars 21 that are parallel to each other pass two "well" style of calligraphy structure's middle closed region respectively, thereby realize the location of two embedded anchor bars 21. The positioning steel bars 23 are provided with four groups corresponding to every two embedded anchor bars 21, so that the positioning accuracy and the stability of the embedded anchor bars 21 are further improved. Preferably, the diameter of the positioning bar 23 is 1.6 mm. Meanwhile, the positioning steel bars 23 are embedded in the concrete structure of the engineering interface in advance, so that the anchoring degree and the structural stability of the embedded steel bars can be improved.

In addition, referring to fig. 1, a supporting plate assembly 4 is further disposed at an end of the second supporting rod 112 abutting against the engineering interface, the supporting plate assembly 4 includes a supporting plate 41 connected to a cross section of the end of the second supporting rod 112 and a connecting plate 42 connected to the supporting plate 41 and extending along a length direction of the second supporting rod 112, wherein the supporting plate 41 directly acts on a surface of the engineering interface to participate in a stress. Because triangle-shaped support frame 11 adopts I14 shaped steel welding to form for second bracing piece 112 with the area of contact at engineering interface is less, through the tip of second bracing piece 112 adds and establishes backup pad subassembly 4 and can be used to the increase the second bracing piece 112 with the area is supported by leaning on at engineering interface, in order to improve the triangle-shaped bracing piece with the stability of engineering interface effect, still can avoid simultaneously because of second bracing piece 112 tip area undersize is right the damage that engineering interface caused.

Specifically, the engineering interface includes but not limited to cable tower 7, the utility model provides an assembled triangular supports system install in cable tower 7's vertical surface, the structure that supports lie in one side that triangular supports structure is equipped with the parallel connection, the triangular supports frame bears vertical pressure, and because the tip of the second bracing piece of triangular supports frame supports with cable tower 7 surface and leans on, then cable tower 7 can give triangular supports frame reverse support power, through the characteristic of scientific and reasonable force analysis with make full use of cable tower 7 concrete structure, simple to operate, support stability height. In addition, if the engineering interface is a horizontal interface, the first supporting rod of the triangular supporting frame is vertically arranged, and at the moment, the triangular supporting structure bears transverse pressure, so that the triangular supporting structure can achieve the limiting effect. If the engineering interface is set as an inclined interface, the stress condition of the triangular supporting structure is the same as that of the vertical interface, and the triangular supporting structure can be used for bearing vertical pressure.

The utility model discloses still relate to an assembled operation platform, please see fig. 1 and fig. 3, it includes as above assembled triangular supports system and lays in and connects can form the panel 5 of platform on the tie 12 of triangle-shaped support frame 11. Preferably, the panel 5 in this embodiment is made of a Q235 steel plate with a thickness of 6mm, and the panel 5 and the flat connection 12 on the triangular support 11 are welded to each other according to structural dimensions. In addition, a protection guardrail 6 and a skirting board (not shown, the same applies below) are further arranged on the panel 5, and the protection guardrail 6 and the skirting board are welded with the panel 5. Preferably, the protective guard 6 is made of a steel pipe with a diameter of 48mm and a wall thickness of 3.5 mm.

The utility model discloses an assembled triangular supports system and assembled operation platform's mounting method specifically as follows:

s001, mounting of embedded structure 2

The installation of the pre-buried structure 2 of the assembly type triangular support system and the assembly type operating platform is the key point of whether the whole support system and the operating platform can be accurately positioned and installed, the pre-buried position must be accurately measured and positioned by measurement group personnel before the installation of the pre-buried structure 2, and the installation allowable error of the pre-buried structure 2 needs to be controlled within +/-1 mm. Meanwhile, when the embedded anchor bars 21 are installed, four or more groups of positioning structures in a shape like a Chinese character 'jing' consisting of the positioning steel bars 23 are needed to be used for positioning and reinforcing, and the positioning steel bars 23 are welded with adjacent steel bars in the cable tower 7 to be connected, so that the overall stability of the embedded structure 2 is ensured.

After the embedded structures 2 are connected, concrete can be poured, the end parts of the embedded cylinders 22, which are used for connecting the extension anchor bars 32, are plugged by geotextile before concrete pouring at corresponding stages, and meanwhile, the openings are sealed by foam rubber, so that the concrete is prevented from entering the embedded cylinders 22 and causing the blockage of the embedded cylinders 22 in the pouring process.

S002, processing of assembly type triangular support system and assembly type operating platform

The assembly type triangular support system can be assembled before installation, before assembly, measurement group personnel measure the flatness and the bearing capacity of a field, and the leveling position of the field with the bearing capacity meeting requirements is selected for assembling and welding rod pieces. Meanwhile, before assembly, the relative positions of the end plates 31 and the support plate assemblies 4 and the horizontal relative position of each triangular support frame 11 can be accurately positioned by using an ink fountain so as to ensure that the assembly type platform and the embedded structure 2 are installed in a matching mode in the later period.

After the horizontal relative position of each triangular support frame 11 is determined, the triangular support frames 11 are connected in parallel to ensure that the adjacent triangular support frames 11 are parallel to each other, meanwhile, four parallel links 12 are adopted to connect the triangular support frames 11 in the embodiment, the horizontal distance between the four parallel links 12 is 120cm, and after the triangular support frames 11 are put in place, the parallel links 12 and the triangular support frames 11 are welded to form a whole, so that the stability of the triangular support system is ensured.

After the triangular supporting system is built, a platform can be formed by paving four flat couplings 12 to be used by a constructor, and the panel 5 and the flat couplings 12 are welded with each other according to the structural size; after the panel 5 is installed, the guard rail 6 and the skirting board can be welded.

S003, mounting of assembly type operating platform

And (3) transferring the fabricated operation platform processed and manufactured by the steel structure of the back yard to site construction, wherein the weight of the whole operation platform can reach 0.8t, the whole operation platform can be hoisted to a position close to an installation designated position by using a tower crane, and then the fabricated operation platform can be installed corresponding to the embedded structure 2 by using 3 or more than 2t chain blocks for auxiliary construction. The upper end of the chain block is reliably connected with the exposed main reinforcement of the tower column segment of the cable tower 7.

Before installation, the contact surfaces of the end plate 31, the support plate 41 and the cable tower 7 need to be cleaned, so as to ensure that the end plate 31 and the support plate 41 can be closely attached to the surface of the cable tower 7. In addition, before installation, 20cm of extension anchor bars 32 are required to be reliably connected with the embedded cylinders 22 in the embedded structure 2, so that subsequent installation and construction are facilitated.

During installation, the whole operating platform is hoisted to the position right above the lengthened anchor bar 32 by using a tower crane, the operating platform is slowly lowered by using a chain block and is pulled to the end plate 31 of the assembly type operating platform to be hung above the lengthened anchor bar 32, the supporting plate 41 is tightly attached to the surface of the cable tower 7, and then the anchor bar base plate 33 and the nuts are constructed. The nut needs to be screwed and fastened, the end plate 31 is ensured to be attached to the surface of the tower column, and the exposed length of the lengthened anchor rib 32 can be reserved according to the construction requirement of the nut.

The connecting grooves formed in the end plate 31 facilitate the slow descending process of the operating platform, and the lengthened anchor bars 32 enter the mounting holes 37 through the connecting grooves, so that the operation is convenient.

The assembled triangular support system and the assembled operating platform break through the construction method of the traditional on-site welding operating platform, adopt standardized design, the operating platform is processed, manufactured and checked uniformly by a professional steel structure factory, and the structure is provided with a guarantee; meanwhile, the assembly integration and the modular construction are carried out, the embedded structure 2 is subjected to unified back-field blanking, and the assembly is carried out by adopting a positioning die method on site, so that the construction working efficiency is high and the precision is guaranteed; in addition, a full-assembly construction method is adopted, high-altitude operation is not needed, welding and cutting operations are not needed on site, control of concrete entity and appearance quality is facilitated, and installation is environment-friendly; the detachable steel plate can be detached after being used, the detachment is convenient and simple, the detachable steel plate can be installed in a reverse order, and the detachable steel plate can be repeatedly used after being detached, so that the resource is saved, and the construction cost is reduced.

Furthermore, the utility model discloses an assembled triangular supports system and assembled operation platform's structure contrast in the both ends of current triangular supports frame all with cable tower 7 go on being connected the structure more simple, the utility model discloses only need triangular supports frame's one end and pre-buried 2 pre-buried embedded structures in the column be connected, one end supports with cable tower 7 surface and leans on, carries out structure atress analysis through scientific and reasonable, can full play concrete, 2 pre-embedded structures and the respective characteristic of steel to reach the purpose that the support nature is good, stability is high, it is more simple and convenient to install simultaneously.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (12)

1. An assembled triangular support system, characterized by: include triangle-shaped bearing structure and pre-buried in selected engineering interface and with the pre-buried structure that triangle-shaped bearing structure is connected, triangle-shaped bearing structure includes two at least parallel arrangement and through the triangle-shaped support frame that the parallel connection is connected, the triangle-shaped support frame include terminal with first bracing piece, follow that pre-buried structure connects the free end of first bracing piece extends to engineering interface surface with the second bracing piece and the both ends that lean on respectively with first bracing piece and second bracing piece are connected in order to constitute triangular third bracing piece.

2. The fabricated tripod system of claim 1 wherein: the first supporting rod is perpendicular to the engineering interface, and the third supporting rod is perpendicular to the first supporting rod and parallel to the engineering interface.

3. The fabricated tripod system of claim 1 wherein: and a connecting assembly for connecting the tail end of the first supporting rod of the triangular supporting frame and the embedded structure is arranged between the tail end of the first supporting rod of the triangular supporting frame and the embedded structure.

4. The fabricated tripod system of claim 3 wherein: the connecting assembly comprises an extension anchor bar connected with the embedded structure and an end plate matched with the extension anchor bar, the end plate is fixed with the tail end of the first supporting rod, and a fastener used for tightly abutting against the end plate and the engineering interface is sleeved on the extension anchor bar.

5. The fabricated tripod system of claim 4 wherein: the end plate is provided with a mounting hole for the lengthened anchor bar to pass through, and the bottom of the end plate is provided with a connecting groove which extends to the mounting hole and is communicated with the mounting hole.

6. The fabricated tripod system of claim 4 wherein: the fastener is a nut matched with the lengthened anchor bar.

7. The fabricated tripod system of claim 6 wherein: and the lengthened anchor bar is sleeved with an anchor bar base plate positioned between the end plate and the nut.

8. The fabricated tripod system of claim 4 wherein: the embedded structure comprises an embedded cylinder and embedded anchor bars inserted in the embedded cylinder, and the extension anchor bars are inserted in the embedded cylinder so as to be connected with the embedded anchor bars.

9. The fabricated tripod system of claim 8 wherein: and the embedded anchor bars are provided with spiral structures.

10. The fabricated tripod system of claim 8 wherein: the embedded structure further comprises a plurality of positioning steel bars, and the positioning steel bars are arranged in a staggered mode and form a closed area for the embedded anchor bars to penetrate through.

11. The fabricated tripod system of claim 1 wherein: the second bracing piece with the tip that engineering interface leaned on still is equipped with backup pad subassembly, the backup pad subassembly includes the backup pad of being connected with the cross-section of second bracing piece tip and is connected with the backup pad and follows the connecting plate of the length direction extension of second bracing piece.

12. The utility model provides an assembled operation platform, characterized by: comprising a fabricated triangular support system as claimed in any one of claims 1 to 11 and a panel laid on the flat connection connecting the triangular supports to form a platform.

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