High-altitude large-span steel support mold frame

Abstract

The utility model relates to the field of building construction equipment, and specifically relates to a high-altitude large-span type steel support mould frame, including support frame, positioning plate, adjusting portion and section steel, the support frame is placed horizontally on the work ground, the positioning plate cross section is square, and the positioning plate is fixed centrally in the top of support frame through high -strength bolt, the adjusting portion includes the flat plate fixed centrally in the upper end surface of positioning plate, the upper end surface of flat plate is fixed and installed with the support rod symmetrically, the top of two support rods is fixedly installed with the top plate, the inside of top plate is centrally provided with the round hole, the hollow sleeve is rotatably installed in the round hole, the inside of hollow sleeve is installed with the threaded rod through screw thread cooperation, the bottom end surface of threaded rod is fixedly installed with the limit stop, and the both ends of limit stop are all socketed in the outer wall of two support rods, the top end surface of threaded rod is fixedly installed with the disc, and the disc is connected with the support plate through the swivel joint in the directly upper side, the utility model has the characteristics of height adjustable, high practicality.

Description

Technical Field

[0001] This utility model relates to the field of construction equipment, specifically a high-altitude, large-span steel support formwork. Background Technology

[0002] High-altitude, large-span steel support formwork, as a key support structure for high-altitude and large-space areas in building construction, plays a crucial role in modern building projects, especially in the construction of large commercial complexes, stadiums, and other large-space buildings. It constructs a stable support system using steel profiles to bear the formwork and various loads during construction, ensuring the safety and smooth progress of high-altitude work.

[0003] Currently, most high-altitude, large-span steel support formwork adopts an integrated structure. While this integrated design ensures structural stability to a certain extent, it reveals significant limitations during actual construction. Faced with complex and ever-changing construction sites, such as varying floor heights and irregular building layouts, it's impossible to flexibly adjust the longitudinal support positions according to on-site construction requirements. If the construction site deviates from the initial plan and requires changes to the support positions, the integrated formwork often falls short, increasing construction difficulty, potentially delaying progress, and even necessitating the reconstruction of parts of the formwork, resulting in a waste of human and material resources. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a high-altitude, large-span steel support formwork.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a high-altitude large-span steel support frame, including a support frame, a positioning plate, an adjustment part and steel profiles, wherein the support frame is placed horizontally on the working ground;

[0006] The positioning plate has a square cross-section and is fixed to the top of the support frame in the center by high-strength bolts;

[0007] The adjustment unit includes a flat plate fixedly mounted on the upper surface of the positioning plate in the center. Support rods are symmetrically fixedly mounted on the upper surface of the flat plate. A top plate is fixedly mounted on the top of the two support rods. A circular hole is opened in the center of the top plate. A hollow sleeve is rotatably mounted in the circular hole. A threaded rod is installed inside the hollow sleeve through a threaded fit. A limit plate is fixedly mounted on the bottom end face of the threaded rod. Both ends of the limit plate are sleeved on the outer walls of the two support rods. A disc is fixedly mounted on the top end face of the threaded rod. A support plate is connected to the top of the disc through a rotary joint.

[0008] The steel profile is placed horizontally on the upper surface of the support plate.

[0009] Specifically, a round rod is welded to the outer edge of the hollow sleeve, and multiple round rods are distributed at equal angles along the circumference.

[0010] Specifically, extension plates are symmetrically welded to the outer sides of both ends of the limiting plate, connectors are fixedly installed on the outer side of the extension plates, a vertical plate is installed at the center of the end face of the connector, and clamps are symmetrically installed on both sides of the vertical plate. The vertical plate contacts the clamps but is not connected, and the clamps are fixed to the upper end face of the plate.

[0011] Specifically, a strip-shaped hole is provided on one side of the clamping plate. The upper and lower ends of the strip-shaped hole are connected to a first step hole and a second step hole, and the first step hole and the second step hole are set in opposite directions. Locking holes are provided at equal intervals along the path of the strip-shaped hole, and the upper edge of the locking hole is provided with an arc chamfer. A shaft is installed on one side wall of the vertical plate. A swing arm is rotatably installed on the outside of the shaft. A torsion spring is installed at the connection between the shaft and the swing arm. A rotating rod is installed on the side near the end of the swing arm. A positioning groove and a locking groove are sequentially provided on the outer side wall of the swing arm. A hook-shaped spring is provided on one side of the vertical plate.

[0012] Specifically, a steel ball is provided at the connection between the disc and the rotary joint, and the outer wall of the steel ball is coated with lubricating grease.

[0013] Specifically, a pin is installed at the connection between the rotating rod and the swing arm, and the rotating rod is rotatable relative to the pin.

[0014] Specifically, the hook-shaped spring has arc-shaped chamfers on both sides of its end.

[0015] The beneficial effects of this utility model are:

[0016] This utility model discloses a high-altitude, large-span steel support formwork. A threaded rod is installed inside a hollow sleeve via a threaded connection. A limit plate is fixedly installed on the bottom end face of the threaded rod, and both ends of the limit plate are sleeved on the outer walls of two support rods. When the hollow sleeve is rotated, the circumferential movement of the limit plate is locked by the two support rods. Therefore, during the rotation of the hollow sleeve, the threaded rod moves vertically under the compression of the threads, causing a change in the top support height of the threaded rod. Simultaneously, to facilitate the rotation of the hollow sleeve by construction personnel, a round rod is welded to the edge of the outer wall of the hollow sleeve. Multiple round rods are distributed at equal angles along the circumference. Therefore, in actual use, construction workers can adjust the support height of the threaded rod by pushing the round rods to drive the hollow sleeve. A disc is fixedly installed on the top end face of the threaded rod, and a support plate is connected to the top of the disc through a rotary joint. The rotary joint and the support plate move together with the threaded rod. When there is a heavy load on the support plate, the rotation of the rotary joint relative to the threaded rod does not affect the operation of the adjustment unit. Compared with the traditional integrated support formwork, the support height can be adjusted according to the on-site construction needs, reducing the construction difficulty and further improving practicality.

[0017] This utility model discloses a high-altitude, large-span steel support formwork. The limiting plate has extension plates symmetrically welded to its outer sides at both ends. Connectors are fixedly installed on the outer sides of the extension plates. A vertical plate is installed at the center of the end face of the connector. Clamping plates are symmetrically installed on both sides of the vertical plate. The vertical plate contacts but is not connected to the clamping plates. The clamping plates are fixed to the upper end face of the flat plate. The extension plates, connectors, vertical plates, and limiting plates can be considered as a single unit, all moving in the same direction, i.e., vertically. When the adjusting mechanism is working, the vertical plate slides in the gap between the two clamping plates, locking its lateral position. This increases the lateral support strength during the adjusting mechanism's operation, preventing damage and deformation to components such as support rods.

[0018] This utility model discloses a high-altitude, large-span steel support frame. A shaft is installed on one side wall of the vertical plate, and a swing arm is rotatably mounted on the outer side of the shaft. A torsion spring is installed at the connection between the shaft and the swing arm. A rotating rod is installed near the end of the swing arm, with the torsion spring's torque directed towards the locking hole. This means that when the rotating rod is aligned with any locking hole, the spring force of the torsion spring pushes the rotating rod into the locking hole. When the vertical plate rises, it drives the rotating rod along the strip-shaped hole from the lower locking hole to the higher locking hole. Therefore, after the threaded rod's position is adjusted, the locking hole provides vertical support for the rotating rod, thereby supporting the extension plate, connector, vertical plate, and limiting plate as a whole. This adjustment reduces the longitudinal stress at the threaded rod and hollow sleeve threads, effectively preventing extrusion deformation at the threaded connection and increasing the longitudinal support strength while extending the service life of this utility model. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the overall structure and installation of this utility model;

[0021] Figure 2 This is a perspective view of the overall structure of this utility model;

[0022] Figure 3 This is a partial three-dimensional view of the structure of this utility model;

[0023] Figure 4 This utility model Figure 3 A magnified view of a portion of region A in the middle;

[0024] In the diagram: 1. Support frame, 2. Positioning plate, 3. Adjustment part, 4. Structural steel, 31. Flat plate, 32. Support rod, 33. Top plate, 34. Hollow sleeve, 35. Threaded rod, 36. Limiting plate, 37. Disc, 38. Rotary joint, 39. Support plate, 341. Round rod, 41. Extension plate, 42. Connector, 43. Vertical plate, 44. Hook-shaped spring, 45. Clamping plate, 46. Strip hole, 461. First step hole, 462. Second step hole, 463. Locking hole, 431. Shaft, 432. Swing arm, 433. Rotating rod, 434. Positioning groove, 435. Locking groove. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Furthermore, the terms used below are defined based on the functions of this utility model and may vary depending on the user's or operator's intent or convention. Therefore, these terms are defined based on the entire contents of this specification.

[0027] See Figure 1-4 The present invention provides a high-altitude, large-span steel support formwork, comprising a support frame 1, a positioning plate 2, an adjustment part 3, and steel 4. The support frame 1 is placed horizontally on the working ground, which is generally a cement ground. The support frame 1 is fixed to the working ground by expansion bolts.

[0028] The positioning plate 2 is fixed to the top of the support frame 1 in the center by high-strength bolts, and the cross section of the positioning plate 2 is square.

[0029] The adjustment part 3 includes a flat plate 31 that is centrally fixedly installed on the upper surface of the positioning plate 2. The flat plate 3 is fixedly connected to the positioning plate 2 by high-strength bolts, and the two can be arbitrarily disassembled or fixed.

[0030] A support rod 32 is symmetrically and fixedly installed on the upper end face of the plate 31. The surface of the support rod 32 is smooth. During use, lubricating oil can be applied to its outer wall to reduce wear on its surface.

[0031] A top plate 33 is fixedly installed on the top of the two support rods 32. A round hole is opened in the center of the top plate 33. A hollow sleeve 34 is rotatably installed in the round hole, that is, the hollow sleeve 34 can rotate relative to the round hole.

[0032] The hollow sleeve 34 has a threaded rod 35 installed inside by threaded engagement. A limiting plate 36 is fixedly installed on the bottom end face of the threaded rod 35, and both ends of the limiting plate 36 are sleeved on the outer wall of the two support rods 32. In actual operation, when the hollow sleeve 34 is rotated, the circumferential movement of the limiting plate 36 is locked by the two support rods 32. Therefore, during the rotation of the hollow sleeve 34, the threaded rod 35 is driven to move vertically under the extrusion of the thread, and the top support height of the threaded rod 35 changes.

[0033] Meanwhile, to facilitate the rotation of the hollow sleeve 34 by construction personnel, a round rod 341 is welded to the outer edge of the hollow sleeve 34, and multiple round rods 341 are distributed at equal angles along the circumference. Therefore, in actual use, construction personnel can adjust the support height of the threaded rod 35 by pushing the round rod 341 to drive the hollow sleeve 34.

[0034] A disc 37 is fixedly installed on the top end face of the threaded rod 35. A support plate 39 is connected to the top of the disc 37 via a rotary joint 38. The rotary joint 38 and the support plate 39 move together with the threaded rod 35. When there is a heavy load on the support plate 39, the rotation of the rotary joint 38 relative to the threaded rod 35 does not affect the operation of the adjustment part 3. Compared with the traditional integrated support formwork, the support height can be adjusted according to the on-site construction needs, and the practicality is further improved.

[0035] Meanwhile, a steel ball is provided at the connection between the disc 37 and the rotary joint 38, and the outer wall of the steel ball is coated with lubricating grease. When the disc 37 and the rotary joint 38 rotate, the steel ball reduces the wear between them.

[0036] The steel section 4 is placed horizontally on the upper surface of the support plate 39. In practice, the steel section 4 is installed using a crane. The specific hoisting method is existing technology and will not be described in detail in this embodiment.

[0037] In another embodiment, such as Figure 2 and Figure 3 As shown, extension plates 41 are symmetrically welded to the outer sides of both ends of the limiting plate 36. A connector 42 is fixedly installed on the outer side of the extension plate 41. A vertical plate 43 is installed in the center of the end face of the connector 42. Clamping plates 45 are symmetrically installed on both sides of the vertical plate 43. The vertical plate 43 contacts the clamping plates 45 but is not connected. The clamping plates 45 are fixed to the upper end face of the plate 31. The extension plate 41, connector 42, vertical plate 43 and limiting plate 36 can be understood as a whole. The four of them move in the same way, that is, they move in the vertical direction. When the adjusting part 3 is working, the vertical plate 43 will slide in the gap between the two clamping plates 45. The two clamping plates 45 lock the vertical plate 43 in the lateral position, increasing the lateral support strength of the adjusting part 3 during operation, and making the support rod 32 and other components less likely to be damaged or deformed.

[0038] In another embodiment, such as Figures 1-4 As shown, a strip-shaped hole 46 is provided on one side of the clamping plate 45. The upper and lower ends of the strip-shaped hole 46 are connected to a first step hole 461 and a second step hole 462. Locking holes 463 are provided at equal intervals along the path of the strip-shaped hole 46. The upper edge of the locking hole 463 is provided with a rounded chamfer. One locking hole 463 corresponds to one adjustable position. The adjustable position can be understood as the adjustment height when the adjustment part 3 is adjusted once.

[0039] A shaft 431 is mounted on one side wall of the vertical plate 43. A swing arm 432 is rotatably mounted on the outer side of the shaft 431. A torsion spring is installed at the connection between the shaft 431 and the swing arm 432. A rotating rod 433 is installed near the end of the swing arm 432. The torque of the torsion spring is directed towards the locking hole 463. This means that when the rotating rod 433 is aligned with any locking hole 463, the spring force of the torsion spring can push the rotating rod 433 into the locking hole 463. When the vertical plate 43 rises, it will drive the rotating rod 433 along the strip hole 46 from the lower locking hole. 463 enters the high-position locking hole 463. Therefore, after the position of the threaded rod 35 is adjusted, the locking hole 463 can provide vertical support for the rotating rod 433, thereby supporting the entire component of the extension plate 41, connector 42, vertical plate 43 and limiting plate 36. In this way, when the adjustment part 3 completes the support, it reduces the longitudinal stress at the threaded joint of the threaded rod 35 and the hollow sleeve 34, which can effectively prevent the extrusion deformation at the threaded connection between the two, improve the longitudinal support strength and effectively increase the service life of this utility model.

[0040] Meanwhile, the outer wall of the swing arm 432 is sequentially provided with a positioning groove 434 and a locking groove 435. A hook-shaped spring 44 is provided on one side of the vertical plate 43. When the rotating rod 433 moves in the area of ​​the strip hole 46, the end of the hook-shaped spring 44 always moves in the area of ​​the positioning groove 434. When the rotating rod 433 enters the first stepped hole 461 under the drive of the vertical plate 43, the rotating rod 433 slides along the inside of the first stepped hole 461. The rotation angle of the rotating rod 433 and the swing arm 432 toward the locking groove 435 increases, so that the hook-shaped spring 44 enters the locking groove 435 from the position of the positioning groove 434. When the position of the swing arm 432 is locked, rotating the hollow sleeve 34 will drive the support plate 39 to descend vertically. When the rotating rod 433 enters the second step hole 462 through the strip hole 46, since the first step hole 461 and the second step hole 462 are set in opposite directions, when the rotating rod 433 slides along the inner wall path of the second step hole 462, the rotating rod 433 and the swing arm 432 rotate in opposite directions (relative to when sliding inside the first step hole 461). The end of the hook spring 44 enters the positioning groove 434 again from the locking groove 435. At this time, the adjustable support plate 39 rises vertically.

[0041] Meanwhile, a pin is installed at the connection between the rotating rod 433 and the swing arm 432, and the rotating rod 433 can rotate relative to the pin. That is, when the rotating rod 433 passes through the area of ​​the first step hole 461 and the second step hole 462, the rotating rod 433 can rotate, reducing the wear with the inner wall of the first step hole 461 and the second step hole 462.

[0042] Furthermore, the ends of the hook-shaped spring 44 are provided with arc-shaped chamfers on both sides, so that the ends of the hook-shaped spring 44 and the groove wall of the positioning groove 434 are in contact in a non-angular manner, reducing wear when the two slide relative to each other.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-altitude, large-span steel support formwork, characterized in that, include: Support frame (1), which is placed horizontally on the working ground; Positioning plate (2), the positioning plate (2) has a square cross section, and the positioning plate (2) is fixed to the top of the support frame (1) by high-strength bolts; Adjustment part (3), the adjustment part (3) includes a plate (31) fixedly installed in the center on the upper end face of the positioning plate (2), a support rod (32) is fixedly installed symmetrically on the upper end face of the plate (31), a top plate (33) is fixedly installed on the top of the two support rods (32), a round hole is opened in the center of the top plate (33), a hollow sleeve (34) is rotatably installed in the round hole, a threaded rod (35) is installed inside the hollow sleeve (34) by threaded engagement, a limit plate (36) is fixedly installed on the bottom end face of the threaded rod (35), and both ends of the limit plate (36) are sleeved on the outer wall of the two support rods (32), a disc (37) is fixedly installed on the top end face of the threaded rod (35), and a support plate (39) is connected to the top of the disc (37) by a rotary joint (38). The steel section (4) is placed horizontally on the upper surface of the support plate (39).

2. The high-altitude, large-span steel support formwork according to claim 1, characterized in that: The hollow sleeve (34) has a round rod (341) welded to the outer wall edge, and multiple round rods (341) are distributed at equal angles along the circumference.

3. The high-altitude, large-span steel support formwork according to claim 1, characterized in that: The two ends of the limiting plate (36) are symmetrically welded with extension plates (41). A connector (42) is fixedly installed on the outer side of the extension plate (41). A vertical plate (43) is installed in the center of the end face of the connector (42). Clamping plates (45) are symmetrically installed on both sides of the vertical plate (43). The vertical plate (43) and the clamping plate (45) are in contact but not connected. The clamping plate (45) is fixed on the upper end face of the plate (31).

4. The high-altitude, large-span steel support formwork according to claim 3, characterized in that: A strip-shaped hole (46) is provided on one side of the clamping plate (45). The upper and lower ends of the strip-shaped hole (46) are connected to a first step hole (461) and a second step hole (462). The first step hole (461) and the second step hole (462) are arranged in opposite directions. A locking hole (463) is provided at equal intervals along the path on one side of the strip-shaped hole (46). The upper edge of the locking hole (463) is provided with a rounded chamfer. A shaft (431) is installed on one side wall of the vertical plate (43). A swing arm (432) is rotatably installed on the outer side of the shaft (431). A torsion spring is installed at the connection between the shaft (431) and the swing arm (432). A rotating rod (433) is installed on one side near the end of the swing arm (432). A positioning groove (434) and a locking groove (435) are provided on the outer side wall of the swing arm (432) in sequence. A hook-shaped spring (44) is provided on one side of the vertical plate (43).

5. The high-altitude, large-span steel support formwork according to claim 1, characterized in that: A steel ball is provided at the connection between the disc (37) and the rotary joint (38), and the outer wall of the steel ball is coated with lubricating grease.

6. The high-altitude, large-span steel support formwork according to claim 4, characterized in that: A pin is installed at the connection between the rotating rod (433) and the swing arm (432), and the rotating rod (433) is rotatable relative to the pin.

7. A high-altitude, large-span steel support formwork according to claim 4, characterized in that: The hook-shaped spring (44) has arc-shaped chamfers on both sides of its end.

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