Disclosed are a disc buckle frame crossbar length adjustable device and a construction method thereof

By combining the crossbar sections with nuts and bolts, along with locking and driving components, the length of the crossbars in the disc-lock frame can be flexibly adjusted, solving the safety hazards and increased costs caused by fixed lengths, and improving construction efficiency and crossbar stability.

CN117536427BActive Publication Date: 2026-01-20CHINA CONSTR THIRD ENG BUREAU GRP CO LTD
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Patent Information

Application Number
CN202311588036.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-27
Publication Date
2026-01-20
Estimated Expiration
2043-11-27

AI Technical Summary

Technical Problem

The fixed length of the crossbars in conventional disc-lock scaffolding cannot be adjusted according to the site conditions, resulting in excessive cantilever of the beam side structural slab support, posing safety hazards and increasing workload and cost.

Method used

The system employs a combination of nut-section and bolt-section crossbars, along with locking, clamping, and driving components. The length of the crossbar is adjustable through threaded connections and a limiting structure. Stability and robustness are enhanced by locking plates, pin fixation, and clamp support.

Benefits of technology

It enables flexible adjustment of the crossbar length, improves construction convenience and economy, enhances the stability and strength of the crossbar, and reduces safety hazards and construction costs.

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Abstract

The application discloses a disc buckle frame crossbar length adjustable device and a construction method thereof, which comprises a nut section crossbar and a nut cap section crossbar, one end of the nut section crossbar is fixed with a screw rod, one end of the nut cap section crossbar is provided with a punched nut which is threadedly connected with the screw rod, the outer wall of the screw rod is provided with a limiting mark hole, the other end of the nut section crossbar and the other end of the nut cap section crossbar are both provided with a connecting head which is adapted to a vertical rod, the connecting head is connected with a bolt, the outer wall of the nut cap section crossbar is fixed with a side plate, and the side plate is connected with a fixing plate; according to the scheme, the overall length of the crossbar can be adjusted by rotating the nut section crossbar, driving the screw rod and the punched nut to rotate in a threaded mode, the method is simple in operation, can be repeatedly used, reduces the later stage frame body rectification, greatly improves the construction convenience and economy, and the adjustable length crossbar guarantees the beam side structure plate support square timber cantilever length, and has great economic value and social value.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of disc buckle racks, in particular to a disc buckle rack crossbar length adjusting device and a construction method thereof. BACKGROUND

[0002] The disc buckle type scaffold technology originates from Germany and is a mainstream product in Europe and America. The support frame is divided into vertical rods and crossbars and inclined rods. There are eight holes in the disc, four small holes being special for the crossbar and four large holes being special for the inclined rod. The connection mode of the crossbar and the inclined rod is the pin type, which can ensure that the rod and the vertical rod are firmly connected. The crossbar and the inclined rod joint are specially manufactured according to the circular arc of the pipe, and are in full surface contact with the vertical rod pipe. After knocking the pin, three points are stressed (two points above and below the joint and one point of the pin against the disc), which can firmly fix and increase the structural strength and transmit the horizontal force. The crossbar head and the pipe body are fixed by full welding, and the force transmission is accurate. The inclined rod head is a rotating joint, which is fixed with the pipe body by a rivet. The connection mode of the vertical rod is mainly a square tube connecting rod, which is fixed on the vertical rod and does not need additional joint components to assemble, thereby saving the trouble of material loss and arrangement.

[0003] The conventional disc buckle rack has a fixed parameter of longitudinal and transverse spacing, which cannot be adjusted according to the site conditions, resulting in that the beam side structure plate support wood square cantilever is too large, and there is a safety hazard. The crossbar is connected by a steel pipe, which has a large workload and increases the cost. Therefore, the technical personnel in the field provide a disc buckle rack crossbar length adjusting device and a construction method thereof to solve the problems in the background art. SUMMARY

[0004] In order to solve the problems in the background art, the application provides a disc buckle rack crossbar length adjusting device and a construction method thereof.

[0005] The disc buckle rack crossbar length adjusting device and the construction method thereof provided by the application adopt the following technical scheme:

[0006] A disc buckle rack crossbar length adjusting device and a construction method thereof, comprising a nut segment crossbar and a nut cap segment crossbar, one end of the nut segment crossbar is fixed with a screw rod, one end of the nut cap segment crossbar is provided with a punched nut in threaded connection with the screw rod, a limiting mark hole is formed in the outer wall of the screw rod, the other end of the nut segment crossbar and the other end of the nut cap segment crossbar are both provided with a connecting head adapted to the vertical rod, the connecting head is connected with a pin, the outer wall of the nut cap segment crossbar is fixed with a side plate, the side plate is connected with a fixed plate, one end of the fixed plate is fixed with a cladding plate, one side of the cladding plate is fixed with a locking plate abutting against the screw rod, and the side plate is provided with a locking assembly driving the fixed plate to move.

[0007] Preferably, the locking assembly comprises a horizontal plate fixedly arranged at the other end of the fixed plate, the horizontal plate is fixedly connected with the side plate through the first spring, one side of the side plate is rotatably connected with two supporting blocks, a rotating rod is rotatably connected between the two supporting blocks, a cam abutting against the horizontal plate is sleeved on the outer wall of the rotating rod, a handle is fixedly arranged at the top end of the rotating rod, and a fixing assembly for fixing the handle is arranged at the top end of the supporting block.

[0008] Preferably, the fixing assembly comprises a fixing rod penetratingly arranged at the top end of the handle, and the top end of the supporting block is provided with a fixing groove matched with the fixing rod.

[0009] Preferably, the bottom end of the fixing rod is fixedly provided with a first magnet, and the inner wall of the fixing groove is fixedly provided with a second magnet magnetically connected with the first magnet.

[0010] Preferably, the top end of the connecting head is fixedly provided with a vertical plate, one side of the vertical plate is penetratingly connected with a limiting plate, the top end of the limiting plate is fixedly provided with an inclined plate abutting against the bolt, one end of the limiting plate is fixedly provided with a connecting plate, the connecting plate is fixedly connected with the vertical plate through the second spring, and the top end of the limiting plate is provided with a pressing assembly for fixing the bolt.

[0011] Preferably, the pressing assembly comprises a pressing rod screwedly arranged at the top end of the limiting plate, and the bottom end of the pressing rod is fixedly provided with a pressing plate abutting against the bolt.

[0012] Preferably, the top end of the pressing plate is fixedly provided with a limiting rod, and the bottom end of the limiting plate is provided with a limiting groove for penetrating the limiting rod.

[0013] Preferably, the top end of the nut segment horizontal rod and the top end of the nut cap segment horizontal rod are slidingly provided with supporting rods, the nut segment horizontal rod and the nut cap segment horizontal rod are provided with driving assemblies for driving the supporting rods to move, the top ends of the two supporting rods are provided with connecting assemblies connected with the vertical rod, and the connecting assembly comprises two clamps abutting against the vertical rod hingedly arranged at the top end of the supporting rod, and the two clamps are fixedly connected through bolts.

[0014] Preferably, the driving assembly comprises sliding blocks hingedly arranged at the bottom ends of the two supporting rods, the top end of the nut segment horizontal rod and the top end of the nut cap segment horizontal rod are provided with sliding grooves for sliding the sliding blocks, the sliding grooves are rotatably connected with lead screws threadedly connected with the sliding blocks, and one end of the lead screw is fixedly provided with a handle.

[0015] The application also provides a disc buckle rack horizontal rod length adjustable construction method, and the specific use steps are as follows:

[0016] Step one: the nut segment horizontal rod and the nut cap segment horizontal rod are assembled to the rack body longitudinal and transverse design length;

[0017] Step two: the vertical rod is erected according to the rack body design;

[0018] Step three: install the adjustable crossbar, and adjust the length of the crossbar according to the actual distance on site.

[0019] In summary, the present application includes the following beneficial technical effects:

[0020] 1、The disc buckle frame crossbar length adjustable device and its construction method, by rotating the nut section crossbar, driving the screw and the threaded nut to rotate, the overall length of the crossbar can be adjusted, the method is simple to operate, reusable, reduces the later stage of the frame body, greatly improves the construction convenience and economy. Using adjustable length crossbar, ensures the beam side structure board support square cantilever length, has great economic value and social value.

[0021] 2、The disc buckle frame crossbar length adjustable device and its construction method, when the length of the crossbar is adjusted, under the movement of the locking assembly, the movement of the fixed plate is driven, the fixed plate drives the movement of the locking plate through the abutting plate, the locking plate is in threaded contact with the screw, the screw is locked and positioned, avoiding the screw from rotating due to manual misoperation, improving the stability of the adjusted crossbar.

[0022] 3、The disc buckle frame crossbar length adjustable device and its construction method, when the connecting head is connected with the stand, under the action of the second spring, the limiting plate is moved to the top of the cap of the bolt, then under the manual rotation of the pressing rod, the pressing plate is pressed above the cap of the bolt, the bolt is fixed and positioned, avoiding the bolt from separating from the connecting head, avoiding the separation between the crossbar and the stand, improving the stability of the crossbar connection.

[0023] 4、The disc buckle frame crossbar length adjustable device and its construction method, when the length of the crossbar is adjusted, the clamp is fixed on the stand through the bolt, then the handle is manually rotated, the handle drives the rotation of the lead screw, the lead screw drives the movement of the sliding block, the sliding block drives the movement of the support rod, the support rod is tensioned, the crossbar is assisted and supported through the support rod, improving the firmness of the crossbar use. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structure schematic diagram of a disc buckle frame crossbar length adjustable device and its construction method in the embodiment of the present application;

[0025] Figure 2 is a locking assembly structure schematic diagram of a disc buckle frame crossbar length adjustable device and its construction method in the embodiment of the present application;

[0026] Figure 3 is a Figure 2 is a local enlarged structure schematic diagram of A in the middle;

[0027] Figure 4 is a compression assembly plane structure schematic diagram of a disc buckle frame crossbar length adjustable device and construction method in the embodiment of the application;

[0028] Figure 5 is a connection assembly structure schematic diagram of a disc buckle frame crossbar length adjustable device and construction method in the embodiment of the application.

[0029] Mark 1, nut section crossbar; 2, nut section crossbar; 3, screw; 4, punched nut; 5, limit mark hole; 6, connecting head; 7, bolt; 8, side plate; 9, fixed plate; 10, attached plate; 11, locking plate; 12, locking assembly; 121, horizontal plate; 122, first spring; 123, support block; 124, rotating rod; 125, cam; 126, handle; 13, fixed assembly; 131, fixed rod; 132, fixed groove; 14, first magnet; 15, second magnet; 16, vertical plate; 17, limit plate; 18, inclined plate; 19, connecting plate; 20, second spring; 21, compression assembly; 211, compression rod; 212, compression plate; 22, limit rod; 23, limit groove; 24, support rod; 25, drive assembly; 251, sliding block; 252, sliding groove; 253, screw; 254, handle; 26, connecting assembly; 261, clamp; 262, bolt. DETAILED DESCRIPTION

[0030] The following will be described in detail in combination with the accompanying Figures 1-5 The application will be further described in detail.

[0031] The embodiment of the application discloses a disc buckle frame crossbar length adjustable device and construction method.

[0032] Embodiment one:

[0033] Reference Figures 1-5 A disc buckle frame crossbar length adjustable device and construction method, comprising a nut section crossbar 1 and a nut section crossbar 2, one end of the nut section crossbar 1 is fixed with a screw 3, one end of the nut section crossbar 2 is provided with a punched nut 4 which is threadedly connected with the screw 3, the outer wall of the screw 3 is provided with a limit mark hole 5, the other end of the nut section crossbar 1 and the other end of the nut section crossbar 2 are both provided with a connecting head 6 which is adapted to a vertical rod, the connecting head 6 is connected with a bolt 7, the outer wall of the nut section crossbar 2 is fixed with a side plate 8, the side plate 8 is connected with a fixed plate 9, one end of the fixed plate 9 is fixed with an attached plate 10, one side of the attached plate 10 is fixed with a locking plate 11 which is in abutment with the screw 3, the side plate 8 is provided with a locking assembly 12 which drives the fixed plate 9 to move.

[0034] In this embodiment, the connecting head 6 is connected with the connecting disc on the vertical rod, and then the bolt 7 is inserted into the connecting head 6 and the connecting disc, so that the nut segment cross rod 1 and the nut segment cross rod 2 are respectively installed on the two vertical rods, the nut segment cross rod 1 is rotationally connected with the connecting head 6, and the nut segment cross rod 2 is fixedly connected with the connecting head 6. The nut segment cross rod 1 is manually rotated, and the nut segment cross rod 1 drives the screw rod 3 to be threadedly connected with the punching nut 4, so that the overall length of the cross rod is adjusted. At the same time, under the cooperation of the limiting mark hole 5, the maximum exposed length of the screw rod 3 is determined, and then under the movement of the locking assembly 12, the movement of the fixed plate 9 is driven, the movement of the abutting plate 10 is driven, the locking plate 11 is brought into thread engagement with the screw rod 3, and the screw rod 3 is locked and limited, so as to avoid the screw rod 3 from rotating due to manual misoperation, and the stability of the cross rod after adjustment is improved.

[0035] In further embodiments, as shown in Figures 2-3 The locking assembly 12 includes a horizontal plate 121 fixedly arranged at the other end of the fixed plate 9, the horizontal plate 121 is fixedly connected with the side plate 8 through a first spring 122, one side of the side plate 8 is rotationally connected with two supporting blocks 123, the two supporting blocks 123 are rotationally connected with a rotating rod 124, the rotating rod 124 is sleeved with a cam 125 abutting against the horizontal plate 121, the top end of the rotating rod 124 is fixedly provided with a rotating handle 126, and the top end of the supporting block 123 is provided with a fixing assembly 13 for fixing the rotating handle 126. The fixing assembly 13 includes a fixing rod 131 inserted into the top end of the rotating handle 126, and the top end of the supporting block 123 is provided with a fixing groove 132 in abutting engagement with the fixing rod 131. The bottom end of the fixing rod 131 is fixedly provided with a first magnet 14, and the inner wall of the fixing groove 132 is fixedly provided with a second magnet 15 magnetically connected with the first magnet 14.

[0036] When the length of the cross rod is adjusted, the rotating handle 126 is manually rotated, the rotating handle 126 drives the rotation of the cam 125 through the rotating rod 124, when the fixing rod 131 on the rotating handle 126 is rotated to a position corresponding to the fixing groove 132, the cam 125 fully extrudes the horizontal plate 121 at this time, the horizontal plate 121 drives the movement of the abutting plate 10 through the fixed plate 9, so as to drive the locking plate 11 to be in thread engagement with the screw rod 3. Then the fixing rod 131 is inserted into the fixing groove 132, and under the connection of the first magnet 14 and the second magnet 15, the fixing rod 131 can be fixed in the fixing groove 132, so as to fix the rotating handle 126. When the length of the cross rod needs to be adjusted, the fixing rod 131 is pulled out of the fixing groove 132, then the cam 125 is rotated away from the horizontal plate 121, and under the elastic action of the first spring 122, the locking plate 11 is separated from the screw rod 3, so that the length of the cross rod can be normally adjusted.

[0037] Embodiment two:

[0038] Referring toFigure 4 The top end of the connector 6 is fixed with a vertical plate 16, one side of the vertical plate 16 is inserted into a limiting plate 17, the top end of the limiting plate 17 is fixed with an inclined plate 18 which is in contact with the bolt 7, one end of the limiting plate 17 is fixed with a connecting plate 19, the connecting plate 19 is fixedly connected with the vertical plate 16 through a second spring 20, the top end of the limiting plate 17 is provided with a pressing assembly 21 for fixing the bolt 7, the pressing assembly 21 comprises a pressing rod 211 which is threadedly arranged at the top end of the limiting plate 17, the bottom end of the pressing rod 211 is fixed with a pressing plate 212 which is in contact with the bolt 7, the top end of the pressing plate 212 is fixed with a limiting rod 22, the bottom end of the limiting plate 17 is provided with a limiting groove 23 for the limiting rod 22 to be inserted.

[0039] In this embodiment, when the bolt 7 is inserted into the connector 6, during the downward movement of the bolt 7, the cap on the top of the bolt 7 is in contact with the inclined plate 18, under the extrusion of the cap on the bolt 7, the limiting plate 17 is driven away from the bolt 7, when the bolt 7 moves to the position below the limiting plate 17, under the elastic action of the second spring 20, the limiting plate 17 is moved to the top of the cap of the bolt 7, then the pressing rod 211 is manually rotated, the pressing rod 211 drives the pressing plate 212 to move downward, at the same time, under the cooperation of the limiting rod 22 and the limiting groove 23, the movement of the pressing plate 212 is stable, the pressing plate 212 is pressed on the top of the cap of the bolt 7, so as to fix and limit the bolt 7, avoid the bolt 7 from being separated from the connector 6, avoid the separation between the horizontal rod and the vertical rod, and improve the stability of the connection of the horizontal rod.

[0040] Embodiment three:

[0041] With reference to Figure 5 The top end of the nut segment horizontal rod 1 and the top end of the nut cap segment horizontal rod 2 are both provided with a support rod 24 which can slide, the nut segment horizontal rod 1 and the nut cap segment horizontal rod 2 are both provided with a driving assembly 25 for driving the support rod 24 to move, the top end of the two support rods 24 is provided with a connecting assembly 26 which is connected with the vertical rod, the connecting assembly 26 comprises two clamps 261 which are hingedly arranged at the top end of the support rod 24 and are in contact with the vertical rod, the two clamps 261 are fixedly connected through a bolt 262, the driving assembly 25 comprises a sliding block 251 which is hingedly arranged at the bottom end of the two support rods 24, the top end of the nut segment horizontal rod 1 and the top end of the nut cap segment horizontal rod 2 are both provided with a sliding groove 252 for the sliding block 251 to slide, the sliding groove 252 is rotatably connected with a lead screw 253 which is threadedly connected with the sliding block 251, one end of the lead screw 253 is fixed with a handle 254.

[0042] In this embodiment, after the nut segment cross bar 1 and the nut cap segment cross bar 2 are connected to the vertical rod respectively, the clamp 261 is then sleeved on the vertical rod and fixed by the bolt 262, then the handle 254 is manually rotated to drive the rotation of the screw rod 253, the movement of the sliding block 251, and the movement of the support rod 24, so that the support rod 24 is tightened, thereby assisting the support of the cross bar and improving the firmness of the cross bar in use.

[0043] The implementation principle of the disc buckle frame cross bar length adjustable device and the construction method thereof is as follows: first, the connecting head 6 is connected with the connecting disc on the vertical rod, and the bolt 7 is inserted into the connecting head 6 and the connecting disc to fix the connecting head 6 on the vertical rod; after the bolt 7 is inserted, the limiting plate 17 is driven to move to the top of the cap of the bolt 7 under the elastic action of the second spring 20, then the pressure rod 211 is manually rotated to drive the downward movement of the pressure plate 212, so that the pressure plate 212 is pressed on the top of the cap of the bolt 7, thereby fixing and limiting the bolt 7 to avoid the separation of the cross bar from the vertical rod and improve the stability of the cross bar connection; then the nut segment cross bar 1 is rotated to drive the movement of the screw rod 3 in the punched nut 4 on the nut cap segment cross bar 2, thereby adjusting the length of the cross bar to adapt to the length of the vertical rod; after the adjustment is completed, the handle 126 is manually rotated to drive the rotation of the cam 125, so that the cam 125 extrudes the cross plate 121 to drive the movement of the fixed plate 9 and the movement of the abutting plate 10, the abutting plate 10 drives the lock plate 11 to move close to the screw rod 3, so that the lock plate 11 is in threaded engagement with the screw rod 3, then the fixed rod 131 is inserted into the fixed groove 132 and connected by the first magnet 14 and the second magnet 15, thereby locking the screw rod 3 to avoid the slippage of the screw rod 3 due to manual misoperation and improve the stability of the cross bar after adjustment; after the adjustment of the cross bar is completed, the clamp 261 is sleeved on the vertical rod and fixed by the bolt 262, then the handle 254 is manually rotated to drive the rotation of the screw rod 253, the movement of the sliding block 251, and the movement of the support rod 24, thereby assisting the support of the cross bar and improving the firmness of the cross bar in use.

[0044] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A device for adjusting the length of a crossbar of a disc buckle frame, comprising a nut section crossbar (1) and a bolt section crossbar (2), characterized in that: One end of the nut section crossbar (1) is fixed with a screw rod (3), and one end of the nut section crossbar (2) is provided with a punched nut (4) that is threadedly connected to the screw rod (3). The outer wall of the screw rod (3) is provided with a limit mark hole (5). The other end of the nut section crossbar (1) and the other end of the nut section crossbar (2) are provided with a connector (6) that is adapted to the upright. The connector (6) is inserted with a pin (7). The outer wall of the nut section crossbar (2) is fixed with a side plate (8). The side plate (8) is inserted with a fixing plate (9). One end of the fixing plate (9) is fixed with a fitting plate (10). One side of the fitting plate (10) is fixed with a locking plate (11) that abuts against the screw rod (3). The side plate (8) is provided with a locking component (12) that drives the fixing plate (9) to move. The locking assembly (12) includes a horizontal plate (121) fixedly disposed at the other end of the fixed plate (9). The horizontal plate (121) is fixedly connected to the side plate (8) by a first spring (122). Two support blocks (123) are rotatably connected to one side of the side plate (8). A rotating rod (124) is rotatably connected between the two support blocks (123). A cam (125) that abuts against the horizontal plate (121) is sleeved on the outer wall of the rotating rod (124). A handle (126) is fixed to the top of the rotating rod (124). A fixing assembly (13) for fixing the handle (126) is provided at the top of the support block (123). The top of the connector (6) is fixed with a vertical plate (16), and a limiting plate (17) is inserted through one side of the vertical plate (16). The top of the limiting plate (17) is fixed with an inclined plate (18) that abuts against the pin (7). One end of the limiting plate (17) is fixed with a connecting plate (19). The connecting plate (19) is fixedly connected to the vertical plate (16) by a second spring (20). The top of the limiting plate (17) is provided with a clamping assembly (21) for fixing the pin (7). The clamping assembly (21) includes a pressure rod (211) threaded onto the top of the limiting plate (17), and the bottom end of the pressure rod (211) is fixed with a pressure plate (212) that abuts against the pin (7).

2. The adjustable length device for the crossbar of the disc buckle frame according to claim 1, characterized in that: The fixing component (13) includes a fixing rod (131) inserted through the top of the throttle (126), and the top of the support block (123) is provided with a fixing groove (132) that engages with the fixing rod (131).

3. The adjustable length device for the crossbar of the disc buckle frame according to claim 2, characterized in that: The bottom end of the fixing rod (131) is fixed with a first magnet (14), and the inner wall of the fixing groove (132) is fixed with a second magnet (15) that is magnetically connected to the first magnet (14).

4. The adjustable length device for the crossbar of the disc buckle frame according to claim 3, characterized in that: The top of the pressure plate (212) is fixed with a limiting rod (22), and the bottom of the limiting plate (17) is provided with a limiting groove (23) for the limiting rod (22) to pass through.

5. The adjustable length device for the crossbar of the disc buckle frame according to claim 4, characterized in that: The top of the nut section crossbar (1) and the top of the nut section crossbar (2) are slidably provided with support rods (24). Both the nut section crossbar (1) and the nut section crossbar (2) are provided with drive components (25) that drive the support rods (24) to move. The top of each of the two support rods (24) is provided with a connecting component (26) that connects to the upright. The connecting component (26) includes two clamps (261) that are hinged to the top of the support rod (24) and abut against the upright. The two clamps (261) are fixedly connected by bolts (262).

6. The adjustable length device for the crossbar of the disc buckle frame according to claim 5, characterized in that: The drive assembly (25) includes a slider (251) hinged to the bottom of two support rods (24). The top of the nut section crossbar (1) and the top of the nut section crossbar (2) are provided with a groove (252) for the slider (251) to slide. A lead screw (253) threadedly connected to the slider (251) is rotatably connected in the groove (252). A handle (254) is fixed at one end of the lead screw (253).

7. A construction method for adjustable crossbar length of a disc-lock scaffold, employing an adjustable crossbar length device as described in any one of claims 1-6, characterized in that, The specific usage steps are as follows: Step 1: Assemble the nut section crossbar (1) and the nut section crossbar (2) to the designed length of the frame in both directions; Step 2: Erect the erection poles according to the scaffolding design; Step 3: Install the adjustable crossbar and adjust its length according to the actual distance on site.

Citation Information

Patent Citations

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