Adjusting structure of lifting frame with controllable perpendicularity

Abstract

The utility model relates to the field of lifting frames with controllable perpendicularity, and discloses an adjusting structure of a lifting frame with controllable perpendicularity, which comprises a plurality of support units, the plurality of support units comprise a first support unit and a second support unit which are perpendicular to each other, the first support unit comprises two parallel first channel steels, and the second support unit comprises a connecting section. The connecting section comprises a supporting part and a connecting part, the connecting part is arranged between the two pieces of first channel steel, the two sides of the connecting part are welded to the two pieces of first channel steel respectively, the lower side of the connecting part is connected with the supporting part, the lower surface of the supporting part comprises a first cambered surface, the upper surface of the adjusting part comprises a second cambered surface, and the first cambered surface is supported on the second cambered surface. The contact face between the lifting frame and the adjusting part is prevented from being reduced after the lifting frame is adjusted.

Description

Technical Field

[0001] This utility model relates to the field of vertically controllable lifting frames, specifically to an adjustment structure for a vertically controllable lifting frame. Background Technology

[0002] During the construction of high piers, the lifting frame is usually used as a formwork support. The formwork and the end of the lifting frame are connected by tie rods to provide support. The verticality of the lifting frame is usually ensured by controlling the synchronous lifting of the support rods with through-hole jacks. However, the accuracy of synchronous lifting cannot be fully guaranteed. Vertical adjustment can only be made by jacks after lifting. It is impossible to completely return the lifting frame to the initial horizontal position, so the lifting frame cannot be accurately adjusted.

[0003] like Figure 1 , Figure 2 As shown, the inventor developed a grid-shaped lifting frame with controllable verticality, publication number CN117569217A, patent name: A Lifting Frame with Controllable Verticality. It uses an adjustment section on a through-type jack, with telescopic components inclined on both sides of the adjustment section to adjust the lifting frame's posture. However, sometimes the lifting frame is not level, not necessarily due to a problem with the frame itself, but possibly due to the tilt of the support rod (the tilt of the support rod can be adjusted when installing the next section of the support rod). In this case, the plane of the upper surface of the adjustment section is tilted, and even if the lifting frame is adjusted to be level, it cannot be fully supported on the adjustment section, thus reducing the contact area between the lifting frame and the adjustment section, increasing local pressure. During the next lifting, this easily increases the pressure on the adjustment section, leading to deformation of the adjustment section. Utility Model Content

[0004] The present invention aims to provide an adjustment structure for a vertically controllable lifting frame to prevent the contact surface between the lifting frame and the adjustment part from decreasing after adjustment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable structure for a vertically controllable lifting frame, comprising several support units. In the horizontal direction, the several support units are arranged in pairs perpendicularly to form a grid structure and four nodes, with a vertical guide hole formed at each node.

[0006] Each node is also equipped with a support rod, a through-hole jack, and two telescopic components. The through-hole jack has an adjustment part, which is supported below the support unit. The lower end of the support rod is embedded in the cast-in-place section of the pier column. The upper end of the support rod passes through the through-hole jack, the adjustment part, and the guide hole in sequence. The lower end of each telescopic component is hinged to the adjustment part; the upper end of each telescopic component is hinged to the support unit.

[0007] Several support units include a first support unit and a second support unit that are perpendicular to each other. The first support unit includes two parallel first channel steels. The second support unit includes a connecting section. The connecting section includes a support part and a connecting part. The connecting part is disposed between the two first channel steels. The two sides of the connecting part are welded to the two first channel steels respectively. The lower side of the connecting part is connected to the support part. The lower surface of the support part includes a first arc surface. The upper surface of the adjusting part includes a second arc surface. The first arc surface is supported on the second arc surface.

[0008] The beneficial effects of this plan are:

[0009] 1. By setting a first arc surface and a second arc surface, regardless of the angle of the lifting frame relative to the support rod, the first arc surface on the lower surface of the lifting frame and the second arc surface on the adjusting part will always have a part in contact, thereby preventing the contact area between the lifting frame and the adjusting part from decreasing after the lifting frame is adjusted, ensuring the stability of the pressure, and avoiding deformation of the adjusting part.

[0010] 2. Compared with the existing technology where the upper surface of the adjustment part is flat, in this solution, when adjusting the lifting frame, the first arc surface and the second arc surface slide relative to each other, making the adjustment more stable and smooth.

[0011] Furthermore, the radius of the second arc surface is smaller than that of the first arc surface.

[0012] Furthermore, the adjustment part is a shell, and a support frame is provided inside the adjustment part. The support frame includes an annular disk, and a support rod passes through the center of the annular disk. The annular disk is circumferentially connected to the inner side of the adjustment part. Several upper support plates are provided circumferentially on the upper side of the annular disk. All upper support plates are vertically arranged. The upper side of the upper support plate is supported by a second arc surface. A plumb bob is set on the inward side of the upper support plate. Several lower support plates are provided circumferentially on the lower side of the annular disk. All lower support plates are vertical right-angled triangular plates. One side of the lower support plate is connected to the inner side of the adjustment part.

[0013] Furthermore, each extension section includes two parallel extension channel steels, and the connecting part includes two parallel steel plates, with the webs of the steel plates and the extension channel steels aligned and coplanar.

[0014] This solution also has the following effects:

[0015] 1. Since the lifting frame does not necessarily rotate around the center of the second arc surface, the radius of the second arc surface needs to be smaller than that of the first arc surface to ensure smooth adjustment.

[0016] 2. In order to reduce costs and facilitate observation of the verticality of the support rod, the adjustment part of the patent in the background technology adopts a shell structure with the shell side vertically arranged. However, this also means that the adjustment part can only provide good vertical support. When the above shell structure is applied to this solution, when the lifting frame is tilted relative to the adjustment part, the lifting frame generates an eccentric force on the adjustment part, which can easily damage the top of the adjustment part.

[0017] Therefore, in this solution, a support frame is installed inside the adjustment section to support the second arc surface at the top of the adjustment section. The eccentric load is gradually converted into a vertical load through the upper support plate and the lower support plate, and finally transferred to the side wall of the adjustment section, thereby enhancing the stability of the overall structure.

[0018] 3. The connecting part is set between the two first channel steels to transmit the axial force between the two extension sections and reduce the bending moment generated by the axial force on the first channel steel. Attached Figure Description

[0019] Figure 1 A three-dimensional isometric view of the lifting frame for an embodiment;

[0020] Figure 2 for Figure 1 Enlarged view of point A;

[0021] Figure 3 This is a schematic diagram of the node's main view in an embodiment;

[0022] Figure 4 A three-dimensional isometric view of the connection portion in the embodiment;

[0023] Figure 5 A three-dimensional isometric view of the top of the adjustment section in the embodiment;

[0024] Figure 6 This is a three-dimensional isometric view of the support frame for an embodiment. Detailed Implementation

[0025] The following detailed description illustrates the specific implementation method:

[0026] The reference numerals in the accompanying drawings include: support unit 1, first channel steel 11, extension channel steel 12, steel plate 13, support part 14, first arc surface 15, adjustment part 2, arc-shaped part 21, second arc surface 22, support frame 3, annular disc 31, upper support plate 32, lower support plate 33, support rod 4, through-hole jack 5, telescopic component 6, pier column 7, formwork 8.

[0027] Example

[0028] The implementation examples are basically as follows Figures 1-6 As shown: An adjustable structure for a vertically controllable lifting frame includes four support units 1. The support units 1 provide vertical support for the template 8. In the horizontal direction, as shown... Figure 1 As shown, the four support units 1 are arranged in a grid-like structure in pairs, forming four nodes, with a vertical guide hole at each node;

[0029] like Figure 2As shown, each node is also equipped with a support rod 4, a through-hole jack 5, and two telescopic components 6. The through-hole jack 5 is equipped with an adjustment part 2, which is supported below the support unit 1. The lower end of the support rod 4 is embedded in the cast-in-place section of the pier column 7. The upper end of the support rod 4 passes through the through-hole jack 5, the adjustment part 2, and the guide hole in sequence. The lower end of each telescopic component 6 is hinged to the adjustment part 2; the upper end of each telescopic component 6 is hinged to the support unit 1.

[0030] The difference between this embodiment and the prior art is that: the plurality of support units 1 include a first support unit 1 and a second support unit 1 that are perpendicular to each other. The first support unit 1 includes two parallel first channel steels 11, and the second support unit 1 includes a connecting section and two extension sections. The connecting section includes a support portion 14 and a connecting portion, which is disposed between the two first channel steels 11. Figure 3 , Figure 4 As shown, the connecting part includes two vertically arranged, parallel steel plates 13. The two sides of the two steel plates 13 are respectively welded to two first channel steels 11. The lower sides of the two steel plates 13 are connected to the support part 14. The length direction of the support part 14 is perpendicular to the length direction of the first channel steel 11. The length of the support part 14 is greater than the horizontal distance between the lower flange ends of the two first channel steels 11. The lower side of the support part 14 is provided with a concave first arc surface 15. The upper end of the adjusting part 2 is an arc-shaped part 21, which is an arc-shaped shell. The upper side of the arc-shaped part 21 is a convex second arc surface 22. The first arc surface 15 is supported on the second arc surface 22. The radius of the second arc surface 22 is smaller than that of the first arc surface 15.

[0031] Two extension sections are symmetrically arranged on both sides of the first support unit 1. Each extension section includes two parallel extension channel steels 12. The steel plate 13 of the connecting part and the two sides of the first channel steel 11 are aligned with the extension channel steel 12 and connected in a straight line. The webs of the steel plate 13 and the extension channel steel 12 are aligned and coplanar.

[0032] like Figure 5 As shown, the adjusting part 2 is a housing, and a support frame 3 is provided inside the arc-shaped part 21 at the upper end of the adjusting part 2. The support frame 3 includes an annular disk 31, and a support rod 4 passes through the center of the annular disk 31. The annular disk 31 is circumferentially connected to the inner side of the adjusting part 2, as shown. Figure 6 As shown, several upper support plates 32 are welded circumferentially to the upper side of the annular disk 31. The upper support plates 32 are all vertically arranged. The arc surface on the upper side of the upper support plate 32 provides support for the second arc surface 22. The upper support plate 32 is plumb-shaped on the inward side. Several lower support plates 33 are welded circumferentially to the lower side of the annular disk 31. The lower support plates 33 are all vertical right-angled triangular plates. The outward side of the lower support plate 33 is welded to the inner side of the adjustment part 2. In this embodiment, the inward side of the support frame 3 is the side closer to the center position, and the outward side is the side farther away from the center position.

[0033] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An adjustable structure for a vertically controllable lifting frame, comprising several support units, wherein in the horizontal direction, the several support units are perpendicular to each other to form a grid structure and form four nodes, and a vertical guide hole is formed at each node; Each node is also equipped with a support rod, a through-hole jack, and two telescopic components. The through-hole jack has an adjustment part, which is supported below the support unit. The lower end of the support rod is embedded in the cast-in-place section of the pier column. The upper end of the support rod passes through the through-hole jack, the adjustment part, and the guide hole in sequence. The lower end of each telescopic component is hinged to the adjustment part; the upper end of each telescopic component is hinged to the support unit. Its features are: Several support units include a first support unit and a second support unit that are perpendicular to each other. The first support unit includes two parallel first channel steels. The second support unit includes a connecting section. The connecting section includes a support part and a connecting part. The connecting part is disposed between the two first channel steels. The two sides of the connecting part are welded to the two first channel steels respectively. The lower side of the connecting part is connected to the support part. The lower surface of the support part includes a first arc surface. The upper surface of the adjusting part includes a second arc surface. The first arc surface is supported on the second arc surface.

2. The adjustable structure of a verticality-controllable lifting frame according to claim 1, characterized in that: The radius of the second arc surface is smaller than that of the first arc surface.

3. The adjustable structure of a verticality-controllable lifting frame according to claim 2, characterized in that: The adjustment unit is a shell, and a support frame is provided inside the adjustment unit. The support frame includes an annular disk, and a support rod passes through the center of the annular disk. The annular disk is circumferentially connected to the inside of the adjustment unit. Several upper support plates are provided circumferentially on the upper side of the annular disk. All upper support plates are vertically arranged. The upper part of the upper support plate is supported by a second arc surface. A plumb bob is set on the inward side of the upper support plate. Several lower support plates are provided circumferentially on the lower side of the annular disk. All lower support plates are vertical right-angled triangular plates. One side of the lower support plate is connected to the inside of the adjustment unit.

4. The adjustable structure of a verticality-controllable lifting frame according to claim 3, characterized in that: The second support unit also includes two extension sections, which are symmetrically arranged on both sides of the first support unit. The connecting part and the two extension sections are aligned and connected in a straight line.

5. The adjustment structure of a vertically controllable lifting frame according to claim 4, characterized in that: Each extension section includes two parallel extension channel steels, and the connecting part includes two parallel steel plates, with the webs of the steel plates and the extension channel steels aligned and coplanar.

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