CN104278830A - Integral combined scaffold - Google Patents

Abstract

The invention discloses an integral combined scaffold, which comprises main support frames, upright posts, a large cross rod, a small cross rod, inclined rods and scaffold boards, wherein a plurality of groups of main support frames are planted on a bottom foundation at fixed intervals along an outer wall of a building, frame bodies among the main support frames are built by inserting the upright posts which are arranged at equal intervals up and down, the upright posts comprise two-way upright posts for building an upper frame body and three-way upright posts for building a bottom truss, the large cross rod, the small cross rod and the inclined rods are connected among the three-way upright posts for reinforcing a truss layer, and the scaffold boards are fixedly connected with the main support frames or the two-way upright posts to form a plurality of scaffold layers with equal heights; the invention is an integral scaffold structure, all the scaffold components are formed by standardized processing, the scaffold is built according to the corresponding component combination, the structure is simple, the stability is good, the construction safety and the construction efficiency are greatly improved, and meanwhile, the emergency anti-falling device can prevent the occurrence of accidental falling accidents of the scaffold.

Description

Integral composite scaffolding

technical field

The invention belongs to the technical field of building construction equipment and relates to an integral combined scaffold. the

Background technique

Fastener scaffolding has the characteristics of flexible disassembly and assembly, convenient transportation, and strong versatility. It is widely used in my country. In scaffolding projects, its usage accounts for more than 60%. It is currently the most used and most widely used type of scaffolding. There are many defects in the fastener scaffolding, which have been gradually exposed in long-term applications: 1) The fastener scaffolding is all built with independent frame pipes. It is very unsafe during the lifting process of the frame tubes, and then they need to be connected to the outer frame one by one, then the large crossbars and small crossbars are built, and finally the scaffolding boards are laid and the safety nets are hung. The weight of each frame tube is about 20 kg, and it needs to be docked at the docking point with a height of 1.5 meters. The construction is very dangerous; 2) At the same time, the fastener-type scaffolding is to connect individual frame tubes one by one, and the construction efficiency is low, which has been unable to adapt The needs of the development of construction projects; 3) The fastener-type scaffolding cannot move up and down, and cannot be lifted according to the construction progress, which greatly affects the construction efficiency; 4) The fastener-type scaffolding does not have corresponding safety protection measures. , often causing serious safety accidents. the

Contents of the invention

The main purpose of the present invention is to provide an integral combined scaffold, which can solve the defects of the existing fastener-type scaffolds, such as high construction risk, low frame construction and construction efficiency, and no safety protection function. the

In order to achieve the purpose of the invention, the technical solution adopted by the present invention is an integral combined scaffold, including main support frames, vertical bars, large horizontal bars, small horizontal bars, inclined bars and scaffolding boards, several groups of main support frames along the The outer wall of the building is planted on the bottom foundation at fixed intervals. The main support frame is divided into upper, middle and lower sections from bottom to top. Each section of the main support frame is welded by two "door" shaped frames. The main support frame The two vertical rods are provided with bolt fixing plates at uniform length intervals for connecting large horizontal rods or scaffolding boards, and the vertical rails on the inner side are provided with vertical tracks for overall lifting of the scaffolding, and the rails pass through the wall-attached supports The steel beams are fixed on the building; the frames between the main support frames are constructed by plugging up and down the uprights arranged at equal intervals. The uprights include two-way uprights for building the upper frame and bottom trusses. The three-way vertical rod, the two-way vertical rod and the three-way vertical rod are all equipped with bolt fixing plates for connecting the large horizontal bar, small horizontal bar, diagonal bar and scaffolding board, and the large horizontal bar, small horizontal bar and diagonal bar are connected It is used to reinforce the truss layer between the three-way uprights. The four corners of the scaffold board are provided with bolt installation holes that are compatible with the bolt-fixed board. High number of scaffolding layers. the

The present invention is also characterized in that the bolt fixing plates on the main support frame and the two-way vertical rod are arranged in a "one" shape, the bolt fixing plates on the upper part of the three-way vertical rod are arranged in a "one" shape, and the three-way vertical rods are arranged in a "one" shape. The bolt fixing plate at the bottom is arranged in a "T" shape. the

The "door" shaped frame of the main support frame is provided with oblique reinforcing rods at the diagonal corners, and ladders are provided between the scaffolding boards. the

The track consists of two channel steels arranged in the opposite direction, and the two channel steels are welded together through several short steel pipes. A triangular support frame, the ends of the two support frames are respectively provided with an adjustment plate, and the adjustment plates are respectively provided with a set of card wheels corresponding to each other, and the two sets of card wheels are respectively buckled into the slots of the two channel steels so that the track It is limited to move up and down in the vertical direction. the

The lower section of the main support frame and the support steel beam are connected by an inverted electric hoist for the overall lifting of the scaffold. The upper part of the support steel beam is provided with a load-bearing top brace for fixing the scaffold after the overall lifting. The load-bearing top support includes a support The upper end of the support rod is provided with a support seat with an arc-shaped groove, and the lower end of the support rod is provided with a hinge device connected with a pin shaft. the

An anti-falling device is installed on the support steel beam. The anti-falling device is an eccentric pendulum type anti-falling block. The front part is a wedge-shaped blocking part, the rear part of the anti-falling block is a limiting part, and the side of the anti-falling block is provided with a tongue. the

The beneficial effects of the present invention are:

The present invention is an integral scaffold structure, all the frame parts are processed by standardization, and the frame body is built according to the combination of corresponding parts, the structure is simple, the stability is good, the construction safety and construction efficiency are greatly improved, and it has emergency The anti-drop device can prevent the frame from accidentally falling. the

Description of drawings

Fig. 1 is the structural representation of main support frame of the present invention;

Fig. 2 is a schematic diagram of the two-way vertical rod structure of the present invention;

Fig. 3 is a three-way vertical rod structural representation of the present invention;

Fig. 4 is a schematic view of scaffolding board structure of the present invention;

Fig. 5-Fig. 16 is the schematic diagram of scaffold construction process of the present invention;

In the figure, 1. main support frame, 2. vertical rod, 3. large horizontal rod, 4. small horizontal rod, 5. oblique rod, 6. scaffolding board, 7. bolt fixing board, 8. vertical track, 9. Steel beam with wall support, 10. Bolt mounting hole, 11. Reinforcing rod, 12. Ladder, 13. Wall connecting plate, 14. Support frame, 15. Adjusting plate, 16. Card wheel, 17. Card slot, 18 .Electric hoist, 19. Load-bearing top support, 20. Support rod, 21. Support seat, 22 Hinge device, 23. Anti-drop device, 24. Blocking part, 25. Limiting part, 26. Tongue piece, 27. Safety net. the

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. the

The present invention provides an integral combined scaffold, which includes a main support frame 1, a vertical pole 2, a large horizontal bar 3, a small horizontal bar 4, a diagonal bar 5 and a scaffolding board 6, and several groups of main support frames 1 are arranged along the outer wall of the building. Planted on the bottom foundation at fixed intervals, the main support frame 1 is divided into upper, middle and lower sections from bottom to top, as shown in Figure 1, each section of the main support frame 1 is welded by two "door" shaped frames , the two vertical bars of the main support frame 1 are provided with bolt fixing plates 7 at uniform length intervals for connecting the large cross bar 3 or the scaffolding board, and the vertical bars on the inner side are provided with vertical tracks 8 for overall lifting of the scaffolding , the track 8 is fixed on the building through the steel beam 9 attached to the wall; the frame body between the main support frames 1 is constructed by plugging up and down the vertical rods 2 arranged at equal intervals, as shown in Figure 2 and Figure 3, The pole 2 includes a two-way pole for building the upper frame and a three-way pole for building the bottom truss. 4. The bolt fixing plate 7 of the oblique bar 5 and the scaffolding board 6, the large horizontal bar 3, the small horizontal bar 4 and the oblique rod 5 are connected between the three-way vertical rods to reinforce the truss layer, as shown in Figure 4, the scaffolding board The four corners of 6 are provided with bolt mounting holes 10 compatible with the bolt fixing plate 7, and the scaffolding plate 6 is fixedly connected with the main support frame 1 or the two-way vertical rod by the bolt fixing plate 7 to form some scaffolding layers of equal height. the

During specific implementation, as shown in Figure 1, the "door" shaped frame of the main support frame 1 is provided with oblique reinforcing rods 11 diagonally, and the outer vertical bars of the main support frame 1 can also be replaced by 6.3 channel steel. As shown in Figure 2, the two-way pole of the present invention is divided into a 1.8-meter two-way pole, a 3.6-meter two-way pole, a 5.3-meter two-way pole and a 5.4-meter two-way pole according to the specifications, as shown in Figure 3 , The three-way pole is divided into a 1.8-meter three-way pole and a 5.3-meter three-way pole according to the specifications. The bolt fixing plate 7 on the main support frame 1 and the two-way vertical rod is arranged in the shape of "one", the bolt fixing plate 7 on the upper part of the three-way vertical rod is arranged in the shape of "one", and the bolt fixing plate 7 at the bottom end of the three-way vertical rod is arranged in the shape of "one". "D" shape arrangement. As shown in Figure 5, between the scaffolding boards 6 above four layers of the frame body, connect by climbing ladder 12, perforate on the corresponding scaffolding boards 6 so as to facilitate the workman to go up to the floor under construction. Ladder 12 is fixed on the scaffolding plate 6 with bolt then for shaping welding. the

As shown in Figure 6, the support steel beam 9 includes a wall connecting plate 13 and two triangular supporting frames 14 that are welded on the wall connecting plate 13 and protrude outwards, and the ends of the two supporting frames 14 are respectively provided with An adjusting plate 15, on which a group of corresponding card wheels 16 are respectively arranged, as shown in Figure 7, the track 8 includes two channel steels arranged on the back, and a number of short steel pipes are welded between the two channel steels Together, the support steel beam 9 is respectively buckled into the slots 17 of two channel steels through the card wheels 16 so that the track 8 is limited to move up and down in the vertical direction, and the adjustment plate 15 can be used to adjust the two groups of card wheels 16. The distance between them can facilitate disassembly and ensure that the card wheel 16 can be completely locked in the card slot 17. the

As shown in Figure 8, the upper part of the support steel beam 9 is provided with a load-bearing top brace 19 for fixing after the overall lifting of the scaffold. The support base 21, the support base 21 is provided with a groove suitable for the short steel pipe on the track 8, which can clamp the main support frame 1 to limit its downward movement, and the lower end of the support rod 20 is provided with a hinge connected to the pin device 22. the

As shown in Figure 6, in order to ensure the unexpected situation that the frame body falls during the construction process, an anti-fall device 23 is provided on the support steel beam 9, as shown in Figure 9, the anti-fall device 23 is an eccentric swing needle Falling block, the center of the anti-falling block is hinged between two adjustment plates 15 through a pin so that the anti-falling block can swing up and down. The rear portion of the falling block is a stopper 25 that can be stuck on the rear portion of the support steel beam 9, and a tongue 26 is provided on the side of the anti-falling block. The original state of the anti-falling device 23 is vertical. When the frame body normally rises or falls, the short steel pipe in the middle of the track 8 will move the anti-falling device upwards or downwards through the tongue 26 on the side. The anti-falling device 23 is reset to the original vertical state by eccentric gravity, so as not to affect the lifting and lowering, and this process is repeated when the frame body is normally raised or lowered; If the speed is greater than the reset speed of the anti-falling device, the short steel pipe in the middle of the track 8 will be stuck on the blocking part 24 of the anti-falling device 23, and the limit part 25 at the other end will be stuck on the baffle plate of the support steel beam 9 and cannot continue Rotate, so that the frame body is stuck and cannot fall. the

When building the frame body, first build the bottom truss, as shown in Figure 10, use several pairs of 1.8-meter three-way vertical rods and 5.3-meter three-way vertical rods and the main support frame 1 to be planted on the bottom foundation surface at a fixed distance, two Three pairs of vertical rods 2 are arranged between the main support frames 1, and the width of the entire frame body is constructed according to the requirements of the building exterior walls. Among them, the 1.8-meter three-way vertical rod and the 5.3-meter three-way vertical rod are arranged in a staggered manner; after the three-way vertical rod and the main support frame 1 are planted, the large horizontal rod 3 and the small horizontal rod 4 are used to connect the three-way vertical rod and the main support frame. On the bolt fixing plate 5 at the bottom end of the support frame 1. Subsequently, the truss is further reinforced by connecting the oblique rods 3 between the three-way uprights or between the three-way uprights and the main support frame 1, and finally the bottom of the truss and the scaffolding board 6 on the top are erected. As shown in Figure 11, the second step frame top scaffolding board 6 is built after the 5.3-meter-high two-way vertical pole is connected to the top of the 1.8-meter three-way vertical pole planted; The frame 1 is respectively connected to the main support frame 1 in the middle section, and the scaffolding board 6 on the top of the frame is set up in the third step, and then the first wall-attached support steel beam 9 is installed on the main support frame 1 of the lower section according to the construction progress, and the support Corresponding load-bearing top support 19 and anti-falling device 23 are installed on the steel beam 9 . As shown in Figure 13, after the installation of the steel beam 9 attached to the wall is completed, a 5.4-meter two-way vertical pole is respectively connected to the 5.3-meter three-way vertical pole and the 5.3-meter two-way vertical pole, and then the fourth Step frame top scaffolding 6, install the second wall-attached support steel beam 9 and the corresponding load-bearing top support 19 and anti-falling device 23 on the main support frame 1 of the middle section according to the construction progress, and continue to connect the main support frame 1 of the upper section, Finally hang and install the first to four step frame body safety nets 27; Connect the 1.8-meter two-way vertical pole and the 3.6-meter two-way vertical pole to make the heights of the inner and outer poles 2 consistent. After inserting the 3.6-meter two-way vertical poles on the two main support frames 1, they are consistent with the height of other vertical poles 2 ; As shown in Figure 15, after the vertical pole 2 has been plugged in, the fifth and sixth step frame body safety nets 27 are suspended and installed, and then the sixth, seven and eight step frame top scaffolding boards 6 are built, and the main support of the upper section is provided along with the construction progress. Install the third wall-attached support steel beam 9 and the corresponding load-bearing top support 19 and anti-falling device 23 on the frame 1, and finally hang and install the seventh and eight-step frame body safety net 27, and the whole scaffold is built. the

The frame body of the present invention adopts an upside-down electric hoist for lifting operations. As shown in Figure 16, the electric hoist 18 is inverted between the lower end of the track 8 of the lower main support frame 1 and the support steel beam 9, and the lower end of the track 8 of the main support frame 1 A lifting block is provided, and the large hook of the electric hoist 18 is hung on the lifting block, the lower end of the support steel beam 9 is provided with a suspension ring, and the small hook of the electric hoist 18 is hung on the suspension ring. The advantage of upside-down electric hoist is to reduce the labor load of workers, shorten the time of intermediate links, and improve work efficiency. the

The basic principles, main features and advantages of the present invention have been shown and described above. The above-mentioned embodiments and descriptions are only the principles of the present invention. The present invention also has various changes and changes without departing from the spirit and scope of the present invention. Improvements, such changes and improvements are within the scope of the claimed invention. The scope of protection required by the present invention is defined by the claims and their equivalents. the

Claims (6)

1. A kind of integrated composite scaffolding, it is characterized in that, comprises main support frame (1), upright bar (2), big cross bar (3), little cross bar (4), inclined bar (5) and scaffold board (6), several groups of main support frames (1) are planted on the bottom foundation at fixed intervals along the exterior wall of the building, and the main support frames (1) are divided into upper, middle and lower sections from bottom to top, and each section The main support frame (1) is welded by two "door" shaped frames, and the two vertical bars of the main support frame (1) are provided with bolt fixing plates (7) at uniform length intervals for connecting the large cross bar ( 3) or the scaffolding board, the vertical rail (8) for the overall lifting of the scaffolding is arranged on the vertical bar on the inner side, and the rail (8) is fixed on the building through the steel beam (9) attached to the wall support; each main support frame The frame body between (1) is constructed by up-and-down plugging of vertical rods (2) arranged at equal intervals. The three-way vertical rod, the two-way vertical rod and the three-way vertical rod are all provided with bolts for connecting the large crossbar (3), the small crossbar (4), the oblique rod (5) and the scaffolding board (6) plate (7), the large crossbar (3), small crossbar (4) and oblique rod (5) are connected between the three-way uprights for reinforcing the truss layer, and the four corners of the scaffold board (6) Bolt installation holes (10) compatible with the bolt fixing plate are provided, and the scaffolding plate (6) is fixedly connected with the main support frame (1) or the two-way vertical pole through the bolt fixing plate (7) to form several scaffolding layers of equal height . 2. A kind of integrated combined scaffold as claimed in claim 1, characterized in that, the bolt fixing plate (7) on the main support frame (1) and the two-way vertical rod is arranged in a "one" shape, and the The bolt fixing plate (7) on the top of the three-way vertical bar is arranged in a "one" shape, and the bolt fixing plate (7) at the bottom end of the three-way vertical bar is arranged in a "T" shape. 3. A kind of integral composite scaffolding as claimed in claim 2, is characterized in that, in the " door " shape frame of described main supporting frame (1), be provided with oblique reinforcing bar (11) diagonally, described Ladders (12) are arranged between the scaffolding boards (6). 4. A kind of integrated combined scaffolding as claimed in claim 1, 2 or 3, is characterized in that, described track (8) comprises two channel steels that back is arranged, between two channel steels pass several short The steel pipes are welded together, and the support steel beam (9) includes a wall connecting plate (13) and two triangular support frames (14) protruding outwards welded on the wall connecting plate (13), two The ends of the support frame (14) are respectively provided with an adjusting plate (15), and a group of corresponding card wheels (16) are respectively arranged on the adjusting plate (15), and the two groups of card wheels (16) are buckled respectively. Into the draw-in groove (17) of two channel steels so that track (8) is limited in the vertical direction and can move up and down. 5. A kind of integral composite scaffolding as claimed in claim 4, it is characterized in that, between described lower section main supporting frame (1) and support steel girder (9) connect by upside-down electric hoist (18) and use For the overall lifting of the scaffold, the upper part of the support steel beam (9) is provided with a load-bearing top brace (19) for fixing after the overall lifting of the scaffold, and the load-bearing top brace (19) includes a support rod (20), supporting The upper end of the rod (20) is provided with a support seat (21) with an arc-shaped groove, and the lower end of the support rod (20) is provided with a hinge device (22) connected with a pin shaft. 6. An integral combined scaffold as claimed in claim 5, characterized in that an anti-falling device (23) is provided on the support steel beam (9), and the anti-falling device (23) is an eccentric pendulum Needle-type anti-falling block, the center of the anti-falling block is hinged between two adjustment plates (15) through a pin shaft so that the anti-falling block can swing up and down, and the front part of the anti-falling block is a wedge-shaped blocking part (24), The rear portion of the anti-falling block is a limiter (25), and the side of the anti-falling block is provided with a tongue (26).