CN117306835A

CN117306835A - Steel construction scaffold

Info

Publication number: CN117306835A
Application number: CN202311605921.6A
Authority: CN
Inventors: 杨辉辉; 杨珂; 陈勇; 董倩倩; 杨林
Original assignee: Xuzhou Qicheng Steel Structure Co ltd
Current assignee: Xuzhou Qicheng Steel Structure Co ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2023-12-29
Anticipated expiration: 2043-11-29
Also published as: CN117306835B

Abstract

The invention belongs to the technical field of scaffolds, and particularly relates to a steel structure scaffold; the spiral stair comprises a frame member, a spiral stair member and a spiral reinforcement member, wherein the spiral stair member is arranged at the position of the inner joint side wall of the frame member, the spiral reinforcement member is arranged in the middle of the frame member, and the spiral reinforcement member is connected with the side wall of the frame member; when a worker goes up and down the scaffold arranged by the invention, the climbing mode is not needed to go up and down the scaffold by virtue of the rotary stair component, so that the single-side stress deflection of the scaffold in the climbing process is avoided, the rotary stair component can distribute the single-side stress of the scaffold on the periphery of the scaffold, and the stability of the scaffold is ensured; the combination pressure-bearing type self-locking mode further prevents the scaffold from being moved when heavy objects or personnel are on the scaffold, and the whole scaffold is supported through the designed spiral steel column, so that the strength of the scaffold is improved.

Description

Steel construction scaffold

Technical Field

The invention belongs to the technical field of scaffolds, and particularly relates to a steel structure scaffold.

Background

The steel structure scaffold is a temporary supporting structure constructed by steel materials and is used for providing a platform for constructors to work at high altitude on a construction site. Mainly comprises steel pipes, steel plates, connecting pieces and the like, and has the characteristics of light weight, firmness and reliability.

The prior steel structure scaffold mainly has the following problems in the use process: 1. the single side of the scaffold is stressed in the process of climbing up and down by workers, and the scaffold is easy to incline and incline along with the increase of the climbing height, so that danger exists; 2. for a scaffold with higher height, the workers consume very much physical strength in the up-down climbing process, the situation that the workers fall from a high place can occur due to physical weakness in the climbing process, and in order to facilitate the workers to go to the top end of the scaffold, the top of the scaffold is generally hollow, and safety protection is lacked; 3. when the scaffold is required to be moved in position, the scaffold is sometimes moved together with a weight or a worker on the scaffold due to negligence or time saving, so that the scaffold is easy to fall from the scaffold due to unstable gravity center of the weight or the weight caused by inertia in the moving process.

Therefore, in order to improve the stability of the scaffold in the use process, the invention provides the steel structure scaffold.

Disclosure of Invention

In view of the above problems, embodiments of the present application provide a steel structure scaffold, so as to solve the technical problems that in the current process of climbing up and down by a worker, single-side stress is easy to incline, and danger is generated when people or heavy objects are moved on the scaffold. In order to achieve the above purpose, the embodiment of the present application provides the following technical solutions: the embodiment of the invention provides a steel structure scaffold, which comprises a frame member, a spiral stair member and a spiral reinforcement member, wherein the spiral stair member is arranged at the position of the inner joint side wall of the frame member, the spiral reinforcement member is arranged in the middle of the frame member, and the spiral reinforcement member is connected with the side wall of the frame member; the frame body component include the vertical steel pole that vertically set up and the horizontal steel pole that transversely sets up and weld the framework structure that becomes each other, and the four corners of framework structure after the welding all adopts the angle steel to connect, the upper end of framework structure is provided with the mouth style of calligraphy steel sheet that is used for being connected the upper end of all vertical steel poles and angle steel, the outer wall cladding of mouth style of calligraphy steel sheet has the rubber sleeve that prevents the staff from colliding with.

The spiral stair component comprises straight sections and inclined sections, the inclined sections and the straight sections are connected in a staggered mode, the spiral stair component extends spirally from bottom to top, the straight sections are fixedly connected to the inner wall of the angle steel through rib plates, and the straight sections, the rib plates and the side walls of the angle steel form a triangular structure together; the straight section and the inclined section are connected in a sliding mode.

The side wall that corresponds the slope section and be connected on the straight section all seted up the side groove, one side that is connected with the straight section on the slope section is provided with the arch, and protruding slip setting is in the inside in side groove, is located the inside in side groove and is provided with the spring that is connected with the arch.

According to an advantageous embodiment, a fixing frame is arranged in the middle of the lower end of the inclined section through a bolt, and a first bracket, a second bracket and a third bracket are sequentially arranged at the lower end of the fixing frame from top to bottom through bolts; the first bracket and the third bracket are arranged on the vertical steel rod at the corresponding positions in a sliding mode, and the second bracket is arranged on the vertical steel rod at the opposite side of the vertical steel rod connected with the first bracket in a sliding fit mode; the mounting modes of the first bracket, the second bracket and the third bracket are the same as those of the vertical steel rod, slotted holes are formed in the vertical steel rod, limiting rods are arranged in the slotted holes, springs are sleeved on the outer walls of the limiting rods, and the lower ends of the first bracket, the second bracket and the third bracket are sleeved on the outer walls of the limiting rods in a sliding mode and are in contact with the springs on the outer walls of the limiting rods.

According to an advantageous embodiment, the lower end of the angle steel is provided with a universal positioning wheel, and the universal positioning wheel is provided with a locking structure; the upper end of framework structure is provided with the overlap joint platform that supplies the workman to stand, overlap joint platform middle part be provided with circular through-hole, one lateral wall of overlap joint platform has been seted up and has been supplied the workman to walk the rectangle logical groove of overlap joint platform upper end along the stair component that circles round, and overlap joint platform's upper end outer wall slip is provided with the slide that leads to the groove mutually support with the rectangle, the slide is used for filling the rectangle and leads to the groove and guarantee overlap joint platform's integrality.

According to an advantageous embodiment, the spiral reinforcement member include spiral steel column, the spiral steel column is connected on standing the steel column through its outer wall setting's a plurality of fixed steel pole, and the circumferencial direction of spiral steel column is provided with the stand that a plurality of runs through spiral steel column, the lower extreme of stand runs through spiral steel column, be located the fixed steel ring of common fixedly connected with between a plurality of stand of spiral steel column lower extreme, be located the inside of stand and run through and be provided with gliding constant pressure post from top to bottom, the upper end of constant pressure post is connected with the circular through-hole matched with round steel sheet at overlap joint platform middle part jointly.

According to an advantageous embodiment, a cross steel plate is fixedly arranged at the lower end of the frame body structure, round grooves with clamping grooves are uniformly formed in the upper end of the cross steel plate, locking columns are slidably arranged in the round grooves through springs, and rubber pads with cross grooves formed in the surfaces are connected to the lower ends of the locking columns; the upper end of locking post is provided with the spacing groove, is located the outside rotation in circular slot on the cross steel sheet and is provided with the seesaw, and the one end of seesaw is contradicted under the constant pressure post of corresponding position.

According to an advantageous embodiment, be provided with the otic placode on the horizontal steel pole that the circular slot top corresponds, rotate on the otic placode and be connected with the arc depression bar, and the one end of arc depression bar supports inside the spacing groove, and the other end of arc depression bar is contradicted in the upper end of seesaw.

Compared with the prior art, the steel structure scaffold provided by the embodiment of the invention has the following beneficial effects: 1. the invention adopts the design of the rotary stair component, does not need workers to climb up and down the scaffold in a climbing manner, and avoids the problem that the single side of the scaffold is easy to fall under the stress in the process of climbing up and down the scaffold; the upper end of the rotary stair component is provided with a worker, the eccentric load on one side can be oppositely shared when the worker walks, the stability of the scaffold in the process of lifting the scaffold is guaranteed, and the physical loss in the process of lifting the scaffold by the worker is reduced by adopting the design mode of lifting the scaffold by the rotary stair component.

2. The invention positions the scaffold by the self-locking of the common universal positioning wheel, thereby being convenient for workers to go up and down the scaffold; the pressure-bearing self-locking mode can avoid people or heavy objects on the scaffold from being moved together, and the heavy objects or people on the scaffold can be combined with the pressure-bearing self-locking mode to enhance the stability of the scaffold.

3. The upper and lower scaffolds of workers do not need to be climbing mode by means of the rotary stair component, single-side stress deflection of the scaffolds in the climbing process is avoided, the rotary stair component can distribute single-side stress of the scaffolds on the periphery of the scaffolds, and stability of the scaffolds is guaranteed; the combination pressure-bearing type self-locking mode further prevents the scaffold from being moved when heavy objects or personnel are on the scaffold, and in addition, the whole scaffold is supported through the spiral steel column, so that the strength of the scaffold is improved.

Drawings

Fig. 1 is a schematic perspective view of the scaffold with the steel structure.

Fig. 2 is a schematic perspective view of the scaffold with steel structure after removing the lapping platform.

Fig. 3 is a front view of the present steel structure scaffold.

Fig. 4 is a schematic view of the connection of the inclined sections of the present invention.

Fig. 5 is a schematic diagram of the connection of straight sections of the present invention.

Fig. 6 is an enlarged view of a portion of fig. 3 according to the present invention.

Fig. 7 is a partial enlarged view of the present invention at B in fig. 1.

Reference numerals in the drawings: 1. a frame member; 2. a whirling stair member; 3. a spiral reinforcing member; 11. a vertical steel rod; 12. a transverse steel rod; 13. angle steel; 14. a steel plate with a Chinese character 'kou'; 131. a universal positioning wheel; 15. a lapping platform; 16. a circular through hole; 17. rectangular through grooves; 18. a slide plate; 21. a straight section; 22. an inclined section; 23. rib plates; 24. a side groove; 25. a protrusion; 26. a fixing frame; 27. a first bracket; 28. a second bracket; 29. a third bracket; 221. a slot hole; 222. a limit rod; 31. a spiral steel column; 32. fixing the steel rod; 33. a column; 34. fixing the steel ring; 35. a constant pressure column; 36. round steel plates; 37. a cross steel plate; 38. a circular groove; 39. locking the column; 40. a rubber pad; 41. a limit groove; 42. a seesaw; 43. ear plates; 44. an arc-shaped compression bar.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

Referring to fig. 1 and 2 in combination, a steel scaffold includes a frame member 1, a spiral stair member 2 and a spiral reinforcement member 3, wherein the spiral stair member 2 is disposed at a position of an inner joint side wall of the frame member 1, the spiral reinforcement member 3 is disposed in the middle of the frame member 1, and the spiral reinforcement member 3 is connected with the side wall of the frame member 1; the frame member 1 comprises a frame structure formed by mutually welding vertical steel rods 11 which are longitudinally arranged and transverse steel rods 12 which are transversely arranged, four corners of the welded frame structure are connected by angle steel 13, the upper end of the frame structure is provided with a square steel plate 14 for connecting all the vertical steel rods 11 with the upper ends of the angle steel 13, and the outer wall of the square steel plate 14 is coated with a rubber sleeve for preventing workers from colliding with; when the scaffold is used, the scaffold with the steel structure is moved to a designated position in advance, workers can go up and down the scaffold by means of the rotary stair component 2, and the stability of the frame body component 1 can be improved by the aid of the internal spiral reinforcing component 3.

Referring to fig. 1, a universal positioning wheel 131 is disposed at the lower end of the angle steel 13, and the universal positioning wheel 131 is provided with a locking structure; the upper end of framework structure is provided with the overlap joint platform 15 that supplies the workman to stand, overlap joint platform 15 middle part be provided with circular through-hole 16, the rectangle through-groove 17 that supplies the workman to walk to overlap joint platform 15 upper end along stair component 2 that circles round is offered to one lateral wall of overlap joint platform 15, and overlap joint platform 15's upper end outer wall slides and is provided with the slide 18 that mutually support with rectangle through-groove 17, slide 18 is used for filling rectangle through-groove 17 and guarantees overlap joint platform 15's integrality.

When the scaffold is moved to a working position, firstly, the scaffold body member 1 is pushed to move by means of the universal positioning wheels 131, the universal positioning wheels 131 can be locked when the scaffold is moved to a designated position, so that preliminary positioning is performed on the scaffold, workers can conveniently go up and down the scaffold, when the scaffold is moved to the upper end of the lap joint platform 15, the sliding plate 18 can be pulled to cover the rectangular through groove 17, the sliding plate 18 is arranged at the top of the scaffold, and the sliding plate 18 is closed after the workers climb up the top of the scaffold, so that the integrity of the top of the scaffold is ensured, and the safety of the workers in the moving process of the scaffold is ensured.

Referring to fig. 1, 2 and 5, the spiral stair component 2 include straight section 21 and inclined section 22, inclined section 22 and straight section 21 each other staggered connection, spiral stair component 2 is from down upwards spiral extension, straight section 21 pass through floor 23 fixed connection at angle steel 13's inner wall, straight section 21 and floor 23 and angle steel 13's lateral wall form triangle-shaped structure jointly, improve the intensity of spiral stair component 2, link to each other through the slip mode between straight section 21 and the inclined section 22, inclined section 22 can carry out the relative motion of small distance to flat section 21 when later stage workman steps on inclined section 22 to decompose unilateral atress.

Referring to fig. 7, the side walls of the straight section 21, which are connected to the inclined section 22, are provided with side grooves 24, a protrusion 25 is provided on one side of the inclined section 22, which is connected to the straight section 21, and the protrusion 25 is slidably disposed in the side grooves 24, and a spring connected to the protrusion 25 is disposed in the side grooves 24.

Referring to fig. 4, a fixing frame 26 is provided at the middle part of the lower end of the inclined section 22 by bolts, and a first bracket 27, a second bracket 28 and a third bracket 29 are sequentially provided at the lower end of the fixing frame 26 from top to bottom by bolts; the first bracket 27 and the third bracket 29 are arranged on the vertical steel rod 11 at the corresponding positions in a sliding manner, and the second bracket 28 is arranged on the vertical steel rod 11 on the opposite side of the vertical steel rod 11 connected with the first bracket 27 in a sliding fit manner; the mounting modes of the first bracket 27, the second bracket 28 and the third bracket 29 are the same as those of the vertical steel rod 11, the vertical steel rod 11 is provided with a slot 221, a limiting rod 222 is arranged in the slot 221, the outer wall of the limiting rod 222 is sleeved with a spring, and the lower ends of the first bracket 27, the second bracket 28 and the third bracket 29 are slidably sleeved on the outer wall of the limiting rod 222 and are in contact with the spring on the outer wall of the limiting rod 222.

When the inclined section 22 is stressed, the first bracket 27 is pressed by the fixing frame 26, the second bracket 28 is pressed by the first bracket 27, the part of the bearing downward force is decomposed on the opposite side vertical steel rod 11 by the second bracket 28, the third bracket 29 is pressed by one end of the second bracket 28 which is not connected with the vertical steel rod 11 when the second bracket 28 cannot slide, and the rest bearing capacity of the bearing is shared on the vertical steel rod 11 connected with the third bracket 29; the movable first bracket 27, the movable second bracket 28 and the movable third bracket 29 can decompose the downward bearing force, so that the bearing force is distributed to the opposite side steel bars 11, and the overall stability of the scaffold is ensured.

Referring to fig. 1, 3, 5 and 6, the spiral reinforcement member 3 includes a spiral steel column 31, the spiral steel column 31 is connected to a vertical steel rod 11 through a plurality of fixing steel rods 32 disposed on an outer wall of the spiral steel column 31, a plurality of columns 33 penetrating the spiral steel column 31 are disposed in a circumferential direction of the spiral steel column 31, lower ends of the columns 33 penetrate the spiral steel column 31, a fixing steel ring 34 is fixedly connected between the columns 33 disposed at lower ends of the spiral steel column 31, a constant pressure column 35 sliding up and down is disposed inside the columns 33, and round steel plates 36 matched with round through holes 16 in the middle of the lapping platform 15 are connected at upper ends of the constant pressure column 35; the spiral steel column 31 supports the scaffold, and stability of the scaffold is enhanced.

Referring to fig. 3 and 6, a cross steel plate 37 is fixedly arranged at the lower end of the frame structure, round grooves 38 with clamping grooves are uniformly arranged at the upper end of the cross steel plate 37, locking columns 39 are slidably arranged in the round grooves 38 through springs, and rubber pads 40 with cross grooves formed in the surfaces are connected to the lower ends of the locking columns 39 to increase friction force; the upper end of the locking column 39 is provided with a limit groove 41, a seesaw 42 is rotatably arranged outside the round groove 38 on the cross steel plate 37, and one end of the seesaw 42 is abutted under the constant pressure column 35 at the corresponding position.

Referring to fig. 6, an ear plate 43 is disposed on the corresponding transverse steel rod 12 above the circular groove 38, an arc-shaped compression rod 44 is rotatably connected to the ear plate 43, one end of the arc-shaped compression rod 44 abuts against the inside of the limit groove 41, and the other end of the arc-shaped compression rod 44 abuts against the upper end of the seesaw 42.

When a person or a heavy object is present at the upper end of the round steel plate 36, the round steel plate 36 drives the fixed pressure column 35 to move downwards, after one end of the seesaw 42 is pushed down by the fixed pressure column 35 to tilt, the other end of the seesaw 42 pushes against one end of the arc pressure rod 44 to turn over, and finally the locking column 39 is pushed down by the other end of the arc pressure rod 44, so that the lower end of the locking column 39 is abutted against the ground, further friction resistance between the rubber pad 40 and the ground is used for preventing the person or the heavy object at the upper end of the scaffold from being moved at will, and the adopted pressure-bearing self-locking mode utilizes the lever principle to amplify the tiny distance, thereby improving the abutting force between the scaffold and the ground.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a steel construction scaffold frame, includes support body component (1), spiral stair component (2) and spiral reinforcement member (3), and the inside laminating lateral wall position of support body component (1) is provided with spiral stair component (2), the middle part of support body component (1) is provided with spiral reinforcement member (3), and spiral reinforcement member (3) are connected with the lateral wall of support body component (1); the method is characterized in that: the frame member (1) comprises a frame structure formed by welding vertical steel rods (11) which are longitudinally arranged and transverse steel rods (12) which are transversely arranged, four corners of the welded frame structure are connected by adopting angle steel (13), the upper end of the frame structure is provided with a square steel plate (14) for connecting all the vertical steel rods (11) with the upper ends of the angle steel (13), and the outer wall of the square steel plate (14) is coated with a rubber sleeve for preventing workers from colliding;

the spiral stair component (2) comprises straight sections (21) and inclined sections (22), the inclined sections (22) and the straight sections (21) are connected in a staggered mode, the spiral stair component (2) extends spirally from bottom to top, the straight sections (21) are fixedly connected to the inner wall of the angle steel (13) through rib plates (23), and the straight sections (21), the rib plates (23) and the side walls of the angle steel (13) form a triangular structure; the straight section (21) and the inclined section (22) are connected in a sliding manner;

side grooves (24) are formed in the side walls of the straight sections (21) which are connected with the corresponding inclined sections (22), protrusions (25) are arranged on one sides of the inclined sections (22) which are connected with the straight sections (21), the protrusions (25) are arranged in the side grooves (24) in a sliding mode, and springs connected with the protrusions (25) are arranged in the side grooves (24);

the upper end of the frame body structure is provided with a lap joint platform (15) for a worker to stand, and the middle part of the lap joint platform (15) is provided with a circular through hole (16);

the spiral reinforcing member (3) comprises a spiral steel column (31), the spiral steel column (31) is connected to the vertical steel rod (11) through a plurality of fixed steel rods (32) arranged on the outer wall of the spiral steel column, a plurality of upright columns (33) penetrating through the spiral steel column (31) are arranged in the circumferential direction of the spiral steel column (31), the lower ends of the upright columns (33) penetrate through the spiral steel column (31), fixed steel rings (34) are fixedly connected between the upright columns (33) positioned at the lower ends of the spiral steel column (31), fixed pressure columns (35) sliding up and down are arranged inside the upright columns (33) in a penetrating manner, and round steel plates (36) matched with round through holes (16) in the middle of the lap joint platform (15) are connected at the upper ends of the fixed pressure columns (35) in a penetrating manner;

the lower end of the frame body structure is fixedly provided with a cross steel plate (37), the upper end of the cross steel plate (37) is uniformly provided with a round groove (38) with a clamping groove, a locking column (39) is arranged in the round groove (38) in a sliding manner through a spring, and the lower end of the locking column (39) is connected with a rubber pad (40) with a cross groove on the surface; the upper end of the locking column (39) is provided with a limit groove (41), a seesaw (42) is rotatably arranged outside the round groove (38) on the cross steel plate (37), and one end of the seesaw (42) is abutted under the constant pressure column (35) at the corresponding position;

the horizontal steel rod (12) that circular slot (38) top corresponds is provided with otic placode (43), rotates on otic placode (43) and is connected with arc depression bar (44), and the one end of arc depression bar (44) supports inside spacing groove (41), and the other end of arc depression bar (44) is contradicted in the upper end of seesaw (42).

2. The steel structure scaffold according to claim 1, wherein a fixing frame (26) is arranged at the middle part of the lower end of the inclined section (22) through a bolt, and a first bracket (27), a second bracket (28) and a third bracket (29) are sequentially arranged at the lower end of the fixing frame (26) from top to bottom through bolts; the first bracket (27) and the third bracket (29) are arranged on the vertical steel rod (11) at the corresponding positions in a sliding mode, and the second bracket (28) is arranged on the vertical steel rod (11) at the opposite side of the vertical steel rod (11) connected with the first bracket (27) in a sliding fit mode; the mounting mode of a bracket (27), a bracket (28) and a bracket (29) is the same as that of a vertical steel rod (11), a slotted hole (221) is formed in the vertical steel rod (11), a limiting rod (222) is arranged in the slotted hole (221), a spring is sleeved on the outer wall of the limiting rod (222), and the lower ends of the bracket (27), the bracket (28) and the bracket (29) are sleeved on the outer wall of the limiting rod (222) in a sliding mode and are in contact with the spring on the outer wall of the limiting rod.

3. A steel structured scaffold according to claim 1, characterized in that the lower end of the angle steel (13) is provided with a universal positioning wheel (131), and the universal positioning wheel (131) is provided with a locking structure; a side wall of the lap joint platform (15) is provided with a rectangular through groove (17) for workers to walk to the upper end of the lap joint platform (15) along the rotary stair component (2), the outer wall of the upper end of the lap joint platform (15) is slidably provided with a sliding plate (18) matched with the rectangular through groove (17), and the sliding plate (18) is used for filling the rectangular through groove (17) to ensure the integrity of the lap joint platform (15).