CN220645087U - Assembly type turnover operation platform - Google Patents

Abstract

The utility model relates to the technical field of aerial work platforms, in particular to an assembled turnover work platform, which is formed by mutually connecting a plurality of fifth steel pipes, a plurality of first steel pipes, a plurality of second steel pipes, a plurality of sixth steel pipes, a plurality of fourth bolts and a plurality of first bolts, so that welding connection is avoided, the assembled connection of the support is realized, an adjustable connecting piece is arranged between the second steel pipes and the sixth steel pipes, the distance between the second steel pipes and the sixth steel pipes is adjusted to adjust the whole height of the support, a steel plate is arranged at the top end of the support, the flexibility of the whole use of the support is realized, and the stability of the connection of the support is improved; through setting up the cat ladder, the constructor of being convenient for very big degree climbs to the operation platform top.

Description

Assembly type turnover operation platform

Technical Field

The utility model relates to the technical field of aerial work platforms, in particular to an assembled turnover work platform.

Background

In the building field, overhead work is a conventional work mode, such as: the work of outdoor decoration, indoor suspended ceiling or other decoration adopted for buildings is difficult to avoid high-altitude construction operation, and the high-altitude construction operation adopts to build an operation platform for constructors to construct.

At present, the construction of the high-altitude construction operation platform is generally divided into two construction modes according to different indoor and outdoor applications: firstly, through adopting materials such as reinforcing bar, steel pipe, wire netting or steel sheet, through welding or bolted connection formation, lead to the high regulation flexibility of construction operation platform relatively poor, the stability often appears relatively poor moreover, causes construction operator to construct dangerous coefficient to increase, simultaneously, steel pipe or reinforcing bar fixity relatively poor each other, causes the work progress to rock the frictional sound that leads to greatly because of operation platform, operation platform life is shorter. Secondly, through fixed scaffold frame of buildding on the outer wall, need punch the outer wall, be difficult to be suitable for to the rapid assembled building of development moreover, if: the technical problem faced by the fabricated building disclosed in the background section is patent No. 201922234410.3.

In view of the above, the constructors develop design and application research on the structure of the high-altitude construction operation platform according to practical problems faced in the use process of the daily high-altitude operation platform, and according to the construction operation platform construction mode and the height adjustment mode, and in combination with the construction operation platform construction stability, flexibility and application convenience, a new improved structure is provided for the high-altitude construction operation platform.

Disclosure of Invention

In order to solve the technical problems in the prior art, the utility model provides an assembled turnover working platform and an adjustable connecting piece.

The method is realized by the following technical scheme:

one of the purposes of the utility model is to provide an assembled turnover operation platform, which comprises a support frame and a steel plate arranged at the top end of the support frame; the support frame comprises a plurality of sixth steel pipes, a plurality of first steel pipes, a plurality of second steel pipes and an adjustable connecting piece connected between the lower surface of the second steel pipes and the top ends of the sixth steel pipes; a fifth steel pipe is arranged between two adjacent sixth steel pipes and is close to the bottom end of the sixth steel pipe, and the fifth steel pipe is connected with the sixth steel pipe by a fourth bolt; the adjustable connecting piece is fixedly connected with the lower surface of the second steel pipe, and the second steel pipe is mutually perpendicular to the first steel pipe; the first steel pipe and the second steel pipe are connected by adopting a first bolt; and a ladder stand is arranged between the second steel pipe and the fifth steel pipe.

The support frame is formed by mutually connecting a plurality of fifth steel pipes, a plurality of first steel pipes, a plurality of second steel pipes, a plurality of sixth steel pipes, a fourth bolt and a first bolt, so that welded connection is avoided, assembly connection of the support frame is realized, an adjustable connecting piece is arranged between the second steel pipes and the sixth steel pipes, the distance between the second steel pipes and the sixth steel pipes is adjusted to adjust the whole height of the support frame, a steel plate is arranged at the top end of the support frame, the flexibility of the whole use of the support frame is realized, and the stability of the connection of the support frame is improved; through setting up the cat ladder, the constructor of being convenient for very big degree climbs to the operation platform top.

In order to simplify the whole structure of the adjustable connecting piece, reduce the whole cost of the operation platform and ensure the whole stability of the support frame, preferably, the adjustable connecting piece comprises a third steel pipe and a fourth steel pipe, and the third steel pipe is welded on the lower surface of the second steel pipe; the top end of the fourth steel pipe is inserted into the third steel pipe, and the bottom end of the fourth steel pipe is inserted into the sixth steel pipe; a plurality of limiting holes are formed in the fourth steel pipe, and a fixing hole is formed in the sixth steel pipe close to the top end; and a third bolt is arranged in the fixing hole and can penetrate through the limiting hole.

In order to simplify the flexibility of the connection construction and the use operation of the adjustable connecting piece, it is preferable that the fourth steel pipe and the third steel pipe are connected by a second bolt.

In order to improve the connection stability and the connection installation convenience of the adjustable connecting piece, preferably, the fourth steel pipe is connected with the third steel pipe by adopting an inner fastener.

In order to enable the first steel pipe, the second steel pipe and the third steel pipe to be capable of being twisted together through the first bolt to form a whole, preferably, the top end of the third steel pipe is welded with a sealing end plate, the center of the sealing end plate is provided with a threaded hole, and the threaded hole can be used for being screwed in by the bottom end of the first bolt.

In order to simplify the convenience of the installation and connection of the inner fastener, improve the stability of the connection between the third steel pipe and the fourth steel pipe and improve the overall stability of the support frame, preferably, the inner fastener comprises a through hole arranged on the fourth steel pipe and an arc-shaped groove arranged on the inner wall of the third steel pipe; a fixed ball is arranged in the through hole, a plurality of springs are arranged between the outer wall of the fixed ball and the inner wall of the through hole, and the springs can balance and fix the fixed ball in the through hole; the fixing ball can be clamped in the arc-shaped groove. The utility model creates the fixed ball to be selected from but not limited to iron balls, steel balls and the like.

In order to enable the first bolt to be twisted downwards to achieve the purpose of abutting against the fixed ball, pressurizing the fixed ball is achieved, and stability of connection between the third steel pipe and the fourth steel pipe is improved, preferably, a sliding block is arranged on the fourth steel pipe, close to the top end, and the sliding block can be pushed by the first bolt to slide downwards to the position where the fixed ball is located. The sliding block is selected from but not limited to a character structure which is made of wood materials and is attached to the inner wall of the third steel pipe. In order to enhance the compression of the fixed ball more tightly, more preferably, the bottom end of the sliding block is provided with a cone or a tetrahedron.

In order to realize the integral movement of the working platform, preferably, the bottom end of the supporting frame is provided with a moving part. The movable part is provided with a locking and fixing assembly. The utility model provides that the moving member is selected from the group consisting of, but not limited to, universal wheels.

The second object of the utility model is to provide an adjustable connector for an assembled turnover operation platform, which comprises a third steel pipe and a fourth steel pipe, wherein the third steel pipe is welded on the lower surface of the second steel pipe; the top end of the fourth steel pipe is inserted into the third steel pipe, and the bottom end of the fourth steel pipe is inserted into the sixth steel pipe; a plurality of limiting holes are formed in the fourth steel pipe, and a fixing hole is formed in the sixth steel pipe close to the top end; a third bolt is arranged in the fixing hole, and the third bolt can pass through the limiting hole; and the fourth steel pipe is connected with the third steel pipe by adopting an inner fastener.

The top end of the fourth steel pipe is inserted into the third steel pipe, the bottom end of the fourth steel pipe is inserted into the sixth steel pipe, the adjustability of the height of the support frame is achieved by means of mutual movement among the third steel pipe, the fourth steel pipe and the sixth steel pipe, the flexibility of the support frame in the use process is improved, the sixth steel pipe is connected with the fourth steel pipe through a third bolt, and the convenience of the installation process is improved; meanwhile, the fourth steel pipe and the third steel pipe are connected by adopting the inner fastener, so that the flexibility and the stability of connection are improved.

Compared with the prior art, the utility model has the technical effects that:

the utility model adopts a plurality of steel pipes to be connected into the support frame through bolts or internal fasteners, and lays a steel plate at the top end of the support frame, thereby realizing the assembly connection of the operation platform, being convenient for the disassembly and the installation of the next turnover application, simultaneously, the steel pipes are fastened and connected in a mode of penetrating the bolts, improving the stability of the connection between the steel pipes, greatly reducing the service life of steel pipe materials used by the support frame caused by the mutual friction between the steel pipes, reducing the noise generated by friction in the use process of the support frame, and enhancing the integral stability of the operation platform.

The adjustable connecting piece is arranged on the support frame, so that the support frame can be adjusted in the height direction, the top end of the fourth steel pipe is inserted into the third steel pipe, the bottom end of the fourth steel pipe is inserted into the sixth steel pipe, the fourth steel pipe and the third steel pipe are connected with each other by fastening through bolts, the stability of connection is enhanced, the support frame can be adjusted by twisting the bolts, and the use flexibility of the support frame is ensured.

The utility model is more excellent in that the top end of the fourth steel pipe is inserted into the third steel pipe, and the fourth steel pipe is connected with the third steel pipe by adopting the inner fastener, so that the stability and convenience of the connection between the fourth steel pipe and the third steel pipe are improved.

The utility model particularly adopts the structure that the through hole is arranged on the fourth steel pipe, the arc-shaped groove is arranged on the inner wall of the third steel pipe, the fixed ball is arranged in the through hole, the plurality of springs are arranged between the outer wall of the fixed ball and the inside, the springs balance and fix the fixed ball in the through hole, when the outer wall of one side of the fixed ball is extruded by pressure, the fixed ball protrudes to the other side until the fixed ball slides into the arc-shaped groove, the outer wall of the fourth steel pipe and the inner wall of the third steel pipe are clamped and fixed by the fixed ball, the overall stability of connection is improved, and the installation between the fourth steel pipe and the third steel pipe is more convenient. More excellent is that establish the sliding block near the top at the fourth steel pipe, and the sliding block can be pushed by first bolt and the gliding to fixed ball place, realizes when first bolt twists tightly fixed first steel pipe, second steel pipe and third steel pipe, realizes supporting the fastening to fixed ball and decides, reinforcing connection's overall stability, prevents to receive top pressure boost and lead to fixed ball inwards to deviate and cause adjustable connecting piece gliding and influence application safety.

The utility model has simple structure, is convenient to detach and install, improves the flexibility of turnover application, particularly improves the flexibility of the use of the operation platform by arranging the movable piece which can be locked and fixed at the bottom of the support frame.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a right-view schematic structure of fig. 1.

Fig. 3 is a schematic top view of fig. 1.

Fig. 4 is an enlarged sectional view of the part I of fig. 1.

Fig. 5 is a schematic structural diagram of the alternative embodiment of fig. 4.

Fig. 6 is a schematic structural diagram of the alternative embodiment of fig. 4.

Fig. 7 is a schematic structural diagram of the alternative embodiment of fig. 4.

Fig. 8 is a schematic structural diagram of the alternative embodiment of fig. 4.

1-a steel plate 2-a first steel pipe 3-a second steel pipe 4-a first bolt 5-a third steel pipe 6-a second bolt 7-a fourth steel pipe 8-a limiting hole 9-a fifth steel pipe 10-a third bolt 11-a fourth bolt 12-a sixth steel pipe 13-a moving part 14-a ladder 15-a sealing end plate 16-an arc-shaped groove 17-a fixed ball 18-a sliding block.

Detailed Description

The technical solution of the present utility model is further defined below with reference to the accompanying drawings and specific embodiments, but the scope of the protection is not limited to the description.

As shown in fig. 1, 2, 3 and 4, the assembled turnover working platform comprises a supporting frame and a steel plate 1 arranged at the top end of the supporting frame; the support frame comprises a plurality of sixth steel pipes 12, a plurality of first steel pipes 2, a plurality of second steel pipes 3 and an adjustable connecting piece connected between the lower surface of the second steel pipes 3 and the top end of the sixth steel pipes 12, so that the support frame is connected in an assembled mode, the flexibility of installation of the support frame is improved, and the adjustable connecting piece is arranged between the lower surface of the second steel pipes and the top end of the sixth steel pipes, so that the support frame is flexibly adjustable in the height direction, and the convenience is improved; a fifth steel pipe 9 is arranged between two adjacent sixth steel pipes 12 and is close to the bottom end of the sixth steel pipe 12, and the fifth steel pipe 9 is connected with the sixth steel pipe 12 by a fourth bolt 11, so that the stability of the bottom end of the support frame is ensured, and meanwhile, the flexibility of the installation and the detachable installation of the bottom end of the support frame is ensured; the adjustable connecting piece is fixedly connected with the lower surface of the second steel pipe 3, and the second steel pipe 3 is mutually perpendicular to the first steel pipe 2; the first steel pipe 2 is connected with the second steel pipe 3 by adopting a first bolt 4, so that the first steel pipe 2, the second steel pipe 3 and the adjustable connecting piece are connected into a whole, and the stability of the top end of the support frame and the convenience and flexibility of disassembly and installation are improved; a cat ladder 14 is arranged between the second steel pipe 3 and the fifth steel pipe 9, so that constructors can climb to the top of the operation platform conveniently, and construction operation is achieved. The steel plate 1 is provided with a perforation for the first bolt 4 to pass through, so that after the steel plate 1 is paved at the top end of the support frame, the steel plate 1 can be fastened by the first bolt 4, and the overall stability of the steel plate 1 on the support frame is improved.

In the specific manufacturing process, a steel plate with the thickness of 3mm is selected by a person skilled in the art, a square steel pipe with the side length of 60mm is selected as the first steel pipe 2, the second steel pipe 3, the sixth steel pipe 12 and the fifth steel pipe 9, and the wall thickness of the square steel pipe is 5mm; according to the integral structure of the support frame, square steel pipes are cut and threaded holes are formed, then the support frame can be formed by matching and installing the first bolt 4 and the fourth bolt 11 with corresponding threaded holes according to the structure shown in fig. 1, 2, 3 and 4, and through punching holes matched with the first bolt 4 on the surface of the steel plate 1, the first bolt 4 is screwed and connected with the first steel pipe 2, the second steel pipe 3 and an adjustable connecting piece, and meanwhile the steel plate 1 is fixed at the top of the support frame, so that the integral stability is improved. Compared with the traditional scaffold erection and welding, the utility model adopts the mode that bolts directly penetrate through steel pipes for connection, so that the steel pipes are stressed on a plurality of bolt structures, thereby enhancing the integral stability of the support frame, reducing the friction noise and abrasion between the steel pipes and being beneficial to prolonging the integral service life of the support frame.

As shown in fig. 1, 2, 4, 5, 6, 7 and 8, in certain embodiments, the adjustable connection comprises a third steel pipe 5 and a fourth steel pipe 7, the third steel pipe 5 being welded to the lower surface of the second steel pipe 3; the top end of the fourth steel pipe 7 is inserted into the third steel pipe 5, and the bottom end of the fourth steel pipe 7 is inserted into the sixth steel pipe 12; a plurality of limiting holes 8 are formed in the fourth steel pipe 7, and a fixing hole is formed in the sixth steel pipe 12 close to the top end; a third bolt 10 is arranged in the fixing hole, and the third bolt 10 can pass through the limit hole 8. The relative position between the fourth steel pipe 7 and the sixth steel pipe 12 is fully avoided, the height of the support frame is convenient to adjust, the stability is improved, the top end of the support frame is directly inserted into the third steel pipe 5 by adopting the fourth steel pipe 7, the third steel pipe 5 is welded on the lower surface of the second steel pipe 3, the fourth steel pipe 7 is inserted and abutted in the third steel pipe 5, and the stability of connection is ensured. In the manufacturing process, the third steel pipe 5 is a square steel pipe with the side length of 60mm and the wall thickness of 5mm; the fourth steel pipe 7 is a square steel pipe having a side length of 50mm and a wall thickness of 5mm, and the fourth steel pipe 7 can be inserted into the third steel pipe 5.

As shown in fig. 1, 2 and 4, in some embodiments, the fourth steel pipe 7 is connected to the third steel pipe 5 by a second bolt 6. The connection stability is enhanced.

As shown in fig. 4, 5, 6, 7 and 8, in some embodiments, the fourth steel pipe 7 and the third steel pipe 5 are connected by using an internal fastener. In some embodiments, the inner fastener is that a sealing end plate 15 is welded at the top end of the third steel pipe 5, and a threaded hole is arranged in the center of the sealing end plate 15, and the threaded hole can be used for the bottom end of the first bolt 4 to be screwed in. When the first steel pipe 2, the second steel pipe 3 and the steel plate 1 are connected through the first bolt 4, the third steel pipe 5 can be connected with the first steel pipe 2, the second steel pipe 3 and the steel plate 1 into the threaded hole in the center of the sealing end plate 15, and the overall stability of connection is improved.

As shown in fig. 4, 5, 6, 7 and 8, in some embodiments, the fourth steel pipe 7 and the third steel pipe 5 are connected by using an internal fastener. The inner fastener comprises a through hole arranged on the fourth steel pipe 7 and an arc-shaped groove 16 arranged on the inner wall of the third steel pipe 5; a fixed ball 17 is arranged in the through hole, a plurality of springs are arranged between the outer wall of the fixed ball 17 and the inner wall of the through hole, and the springs can balance and fix the fixed ball 17 in the through hole; the fixing ball 17 can be clamped in the arc-shaped groove 16. When the fourth steel pipe 17 is inserted into the third steel pipe 5, the fixing ball 17 is extruded by the inner wall of the third steel pipe 5 and deflects into the fourth steel pipe 7, and the force of the spring penetrating the Kong Nala fixing ball 17 is applied, so that when the fourth steel pipe 7 is inserted into the position of the arc-shaped groove 16 in the third steel pipe 5, the fixing ball 17 is pulled back by the force of the spring and clamped in the arc-shaped groove 16, and stable connection between the fourth steel pipe 17 and the third steel pipe 5 is realized.

As shown in fig. 4, 5, 6, 7 and 8, in some embodiments, the fourth steel pipe 7 and the third steel pipe 5 are connected by using an internal fastener. The inner fastener comprises a through hole arranged on the fourth steel pipe 7 and an arc-shaped groove 16 arranged on the inner wall of the third steel pipe 5; a fixed ball 17 is arranged in the through hole, a plurality of springs are arranged between the outer wall of the fixed ball 17 and the inner wall of the through hole, and the springs can balance and fix the fixed ball 17 in the through hole; the fixing ball 17 can be clamped in the arc-shaped groove 16. When the fourth steel pipe 17 is inserted into the third steel pipe 5, the fixing ball 17 is extruded by the inner wall of the third steel pipe 5 and deflects into the fourth steel pipe 7, and the force of the spring penetrating the Kong Nala fixing ball 17 is applied, so that when the fourth steel pipe 7 is inserted into the position of the arc-shaped groove 16 in the third steel pipe 5, the fixing ball 17 is pulled back by the force of the spring and clamped in the arc-shaped groove 16, and stable connection between the fourth steel pipe 17 and the third steel pipe 5 is realized. The top end of the third steel pipe 5 is welded with a sealing end plate 15, a threaded hole is formed in the center of the sealing end plate 15, and the threaded hole can be used for the bottom end of the first bolt 4 to be screwed in. After the fourth steel pipe 7 is inserted into the third steel pipe 5 and then is screwed into the threaded hole through the first bolt 4, the sealing end plate 15 is used for tensioning the fourth steel pipe 7, stable connection is achieved under the interaction of the fixing ball 17 and the arc-shaped groove 16 and the interaction of the sealing end plate 15 and the first bolt 4, and meanwhile, the stability and the flexibility of connection are improved.

As shown in fig. 4, 5, 6, 7 and 8, in some embodiments, the fourth steel pipe 7 and the third steel pipe 5 are connected by using an internal fastener. The inner fastener comprises a through hole arranged on the fourth steel pipe 7 and an arc-shaped groove 16 arranged on the inner wall of the third steel pipe 5; a fixed ball 17 is arranged in the through hole, a plurality of springs are arranged between the outer wall of the fixed ball 17 and the inner wall of the through hole, and the springs can balance and fix the fixed ball 17 in the through hole; the fixing ball 17 can be clamped in the arc-shaped groove 16. When the fourth steel pipe 17 is inserted into the third steel pipe 5, the fixing ball 17 is extruded by the inner wall of the third steel pipe 5 and deflects into the fourth steel pipe 7, and the force of the spring penetrating the Kong Nala fixing ball 17 is applied, so that when the fourth steel pipe 7 is inserted into the position of the arc-shaped groove 16 in the third steel pipe 5, the fixing ball 17 is pulled back by the force of the spring and clamped in the arc-shaped groove 16, and stable connection between the fourth steel pipe 17 and the third steel pipe 5 is realized. A sliding block 18 is arranged near the top end of the fourth steel pipe 7, and the sliding block 18 can be pushed by the first bolt 4 to slide down to the position where the fixed ball 17 is located. The sliding block 18 is used for sliding downwards to abut against the fixed ball 17, so that the fixed ball 17 forms a force for abutting against the inner wall of the arc-shaped groove 16 on the third steel pipe 5, and the stability of connection of the fixed ball 17 is enhanced.

In some embodiments, as shown in fig. 8, the bottom end of the slider 18 is provided with a cone or tetrahedron. When the sliding block 18 is pushed downwards to slide, the fixing ball 17 is subjected to outward extrusion force under the action of the cone or the tetrahedron, so that the stability of connection is improved, and meanwhile, the convenience in the installation and disassembly processes is improved. The fixing ball 17 adopted by the utility model is an iron ball, a steel ball and the like.

As shown in fig. 1 and 2, in some embodiments, the bottom end of the support frame is provided with a moving member 13. The movable operation of the operation platform is realized, and particularly, the locking component is arranged on the movable piece 13, so that the movable piece 13 is fixed by a factor of the time to enhance the overall stability of the operation platform after the operation platform is moved. In the actual production and application process, the researchers of the utility model select universal wheels with clamping, locking and other parts.

According to the utility model, the adjustable connecting piece is arranged on the assembled turnover operation platform, the structure of the adjustable connecting piece is researched, the whole assembled connection mode of the operation platform is ensured, the connection flexibility is improved, and the stability of the whole structure of the operation platform support frame is further ensured, as shown in fig. 7, the specific adjustable connecting piece comprises a third steel pipe 5 and a fourth steel pipe 7, and the third steel pipe 5 is welded on the lower surface of the second steel pipe 3; the top end of the fourth steel pipe 7 is inserted into the third steel pipe 5, and the bottom end of the fourth steel pipe 7 is inserted into the sixth steel pipe 12; a plurality of limiting holes 8 are formed in the fourth steel pipe 7, and a fixing hole is formed in the sixth steel pipe 12 close to the top end; a third bolt 10 is arranged in the fixing hole, and the third bolt 10 can pass through the limit hole 8; the fourth steel pipe 7 is connected with the third steel pipe 5 by adopting an inner fastener. After the fourth steel pipe 7 and the sixth steel pipe 12 are fixedly connected, the second steel pipe 3 can be directly connected to the top end of the fourth steel pipe 7 under the action of the third steel pipe 5, and the stable connection between the fourth steel pipe 7 and the third steel pipe 5 can be realized under the action of an inner fastener, and the specific connection process is that when the top end of the fourth steel pipe 7 is inserted from the bottom end of the third steel pipe 5, the inner fastener is extruded by the inner wall of the third steel pipe 5 and enters the third steel pipe 5 along with the continuous entering of the fourth steel pipe 7 into the third steel pipe 5, and is clamped in the third steel pipe 5, so that stable connection is realized; when the steel pipe is required to be disassembled, the third steel pipe 5 and the fourth steel pipe 7 are pulled away through interaction, so that the inner fastener is extruded to deform, and the purpose of separating the third steel pipe 5 from the fourth steel pipe 7 is achieved. As shown in fig. 8, a sliding block 18 is provided near the top end of the fourth steel pipe 7, and the sliding block 18 can be pushed by the first bolt 4 to slide down to the position where the inner fastener is located. In this way, the inner fastener can be abutted against and fixed under the action force of the first bolt 4.

The utility model may be implemented by reference to the prior art or conventional technical means known to those skilled in the art.

While the utility model has been described with reference to the preferred embodiments, it should be understood that the utility model is not limited to the embodiments described above, but is intended to cover modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (9)

1. The assembly type turnover working platform is characterized by comprising a support frame and a steel plate (1) arranged at the top end of the support frame; the support frame comprises a plurality of sixth steel pipes (12), a plurality of first steel pipes (2), a plurality of second steel pipes (3) and an adjustable connecting piece connected between the lower surface of each second steel pipe (3) and the top end of each sixth steel pipe (12); a fifth steel pipe (9) is arranged between two adjacent sixth steel pipes (12) near the bottom end of the sixth steel pipe (12), and the fifth steel pipe (9) is connected with the sixth steel pipes (12) by a fourth bolt (11); the adjustable connecting piece is fixedly connected with the lower surface of the second steel pipe (3), and the second steel pipe (3) is perpendicular to the first steel pipe (2); the first steel pipe (2) is connected with the second steel pipe (3) by a first bolt (4); a ladder stand (14) is arranged between the second steel pipe (3) and the fifth steel pipe (9).

2. The fabricated and epicyclic work platform according to claim 1, wherein said adjustable connection comprises a third steel pipe (5) and a fourth steel pipe (7), said third steel pipe (5) being welded to the lower surface of said second steel pipe (3); the top end of the fourth steel pipe (7) is inserted into the third steel pipe (5), and the bottom end of the fourth steel pipe (7) is inserted into the sixth steel pipe (12); a plurality of limiting holes (8) are formed in the fourth steel pipe (7), and a fixing hole is formed in the sixth steel pipe (12) close to the top end; a third bolt (10) is arranged in the fixing hole, and the third bolt (10) can penetrate through the limiting hole (8).

3. The assembled epicyclic work platform according to claim 2, wherein said fourth steel pipe (7) is connected to said third steel pipe (5) by means of a second bolt (6).

4. The assembled turnover working platform as claimed in claim 2, characterized in that said fourth steel pipe (7) is connected with said third steel pipe (5) by means of internal fasteners.

5. The assembled turnover working platform as claimed in claim 2, 3 or 4, characterized in that the top end of the third steel tube (5) is welded with a sealing end plate (15), and the center of the sealing end plate (15) is provided with a threaded hole, and the threaded hole can be used for the bottom end of the first bolt (4) to be screwed in.

6. The assembled epicyclic work platform according to claim 4, wherein said inner fasteners comprise through holes provided in said fourth steel pipe (7) and arc-shaped grooves (16) provided in the inner wall of said third steel pipe (5); a fixed ball (17) is arranged in the through hole, a plurality of springs are arranged between the outer wall of the fixed ball (17) and the inner wall of the through hole, and the springs can balance and fix the fixed ball (17) in the through hole; the fixing ball (17) can be clamped in the arc-shaped groove (16).

7. The assembled turnover working platform according to claim 6, characterized in that a sliding block (18) is arranged near the top end of the fourth steel pipe (7), and the sliding block (18) can be pushed by the first bolt (4) to slide down to the position where the fixed ball (17) is located.

8. The assembled epicyclic work platform according to claim 7, wherein said sliding blocks (18) are provided with cones or tetrahedrons at their bottom ends.

9. The assembled epicyclic work platform according to claim 1, wherein the bottom end of said support frame is provided with a moving member (13).