A cantilever plate formwork support and cantilever plate formwork support system
Patent Information
- Application Number
- CN202522423509.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-14
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-14
AI Technical Summary
In existing technologies, traditional cantilever slab formwork supports for lower floors are usually ground-mounted steel pipe supports, which results in insufficient construction efficiency and the inability to adjust the length laterally.
The cantilever slab formwork support system is adopted, which consists of horizontal support rods, diagonal support rods and secondary support rods in the disc-lock scaffolding. The length and angle can be adjusted by means of expansion joints and hinge structure. It is installed on the existing disc-lock scaffolding, reducing the use of ground steel pipe support.
It improves construction efficiency, reduces material consumption, adapts to the needs of different cantilever slab lengths, and enhances the practicality and flexibility of construction.
Smart Images

Figure CN224931366U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, and in particular to a cantilever slab formwork support and a cantilever slab formwork support system. Background Technology
[0002] A cantilever is a section of a building that is suspended outside of a support structure and not supported by the ground; it is usually made of cast concrete. During construction, depending on the weight and shape of the cantilever structure, a formwork support is first erected, and then the cantilever formwork is laid on the formwork support. The formwork support supports the cantilever formwork to ensure that the formwork can withstand the weight and pressure of the poured concrete.
[0003] Traditional cantilever slab formwork supports for lower floors are usually ground-mounted steel pipe supports. Ground-mounted supports are costly in terms of materials and are more troublesome to construct. Utility Model Content
[0004] The purpose of this utility model is to overcome the problem that the traditional cantilever slab formwork support for lower floors in the prior art is usually a ground-mounted steel pipe support, which cannot be adjusted in length laterally, resulting in insufficient construction efficiency. This utility model provides a cantilever slab formwork support and a cantilever slab formwork support system.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: In a first aspect, a cantilever slab formwork support is provided, installed on a disc-lock scaffold. The disc-lock scaffold includes uprights and upright discs, the upright discs being arranged at intervals along the longitudinal direction of the uprights. The formwork support includes horizontal support rods and diagonal support rods. The horizontal support rod consists of a first connecting rod, a first telescopic joint, and a second connecting rod. One end of the horizontal support rod is movably connected to the upright. One end of the diagonal support rod is hinged to the upright disc, and the other end of the diagonal support rod is movably connected to the other end of the horizontal support rod. At least one secondary support rod is provided between the horizontal support rod and the diagonal support rod.
[0006] In this field, disc-lock scaffolding refers to a type of plug-in steel pipe scaffolding, which includes uprights and upright discs. The uprights and upright discs connect diagonal braces and horizontal braces, and have the advantages of strong stability and efficient assembly and disassembly.
[0007] The horizontal support rod consists of a first connecting rod, a first expansion joint, and a second connecting rod. Since the horizontal support rod supports the cantilever slab template, adding expansion joints would result in multiple movable connections between the expansion joints, significantly weakening the overall torsional and lateral bending resistance of the horizontal support rod. The first expansion joint can be a threaded rod type. When the first expansion joint consists only of a single threaded section and a rod, the first connecting rod connects to one end of the single threaded section of the first expansion joint, and the second connecting rod connects to one end of the rod. When the first expansion joint consists of a rod and threaded sections at both ends of the rod, the first connecting rod connects to one threaded section of the first expansion joint, and the second connecting rod connects to the other threaded section. Alternatively, the first expansion joint can also be a basket-type expansion joint. The auxiliary support rod can be welded to connect the horizontal support rod and the diagonal support rod, or one end of the auxiliary support rod can be connected to the horizontal support rod via a snap-fit, and the other end can be hinged to the diagonal support rod. The horizontal support rod and the vertical pole are movably connected, meaning the position of the horizontal support rod connected to the vertical pole can be adjusted according to the height of the template to be supported.
[0008] This solution forms a cantilever slab formwork support using the horizontal support rods, the diagonal support rods, and the auxiliary support rods. The disc-lock scaffolding is a structure already installed in the original construction process, i.e., an existing construction measure structure. The length of the horizontal support rods can be adjusted via the first expansion joint. Several auxiliary support rods are installed between the horizontal support rods and the diagonal support rods to enhance structural strength. Compared to existing technologies where traditional cantilever slab formwork supports on lower floors typically involve separate ground-mounted steel pipe supports, requiring repeated erection of the cantilever slab formwork support for different cantilever slab lengths, this solution installs the support on the existing disc-lock scaffolding. By adjusting the length of the horizontal support rods, the repeated erection of the cantilever slab formwork support is eliminated, improving construction efficiency and practicality.
[0009] Preferably, the inclined support rod is composed of a third connecting rod, a second telescopic joint, and a fourth connecting rod, and the auxiliary support rod is composed of a fifth connecting rod, a third telescopic joint, and a sixth connecting rod.
[0010] The second and third expansion joints include, but are not limited to, screw-type expansion joints and basket-type expansion joints.
[0011] Using this technical solution, the diagonal support rod can be adjusted synchronously with the horizontal support rod, which is beneficial for flexibly matching the diagonal support rod, the horizontal support rod, and the cantilever plate that needs to be supported; the secondary support rod can be adjusted in length according to the diagonal support rod and the horizontal support rod, which is beneficial for improving the support effect of the secondary support rod.
[0012] Preferably, the first expansion joint, the second expansion joint, and the third expansion joint are all screw-type expansion joints.
[0013] This technical solution relies on the principle of threaded transmission. By rotating the threaded part of the screw-type telescopic joint, the length of the horizontal support rod 1, the inclined support rod 2, and the auxiliary support rod 3 can be precisely adjusted to meet the telescopic requirements.
[0014] Preferably, the inclined support rod and the upright disc are connected by an inclined snap fastener.
[0015] Using this technical solution, the inclined support rod is connected to the disc of the disc-lock scaffold by the inclined buckle. The inclined buckle and the hole of the disc are precisely matched, and after insertion, they fit tightly, reducing the risk of loosening of the joint.
[0016] Preferably, the diagonal support rod and the horizontal support rod are movably connected by a folding joint.
[0017] Using this technical solution, the angle between the horizontal support rod and the diagonal support rod can be adjusted through the folding joint, thereby changing the force direction or support angle of the diagonal support rod to meet the adjustment requirements under different working conditions; the folding joint includes a hinge, a snap-fit, and a universal structure.
[0018] Preferably, the folding joint is a hinged folding joint.
[0019] Using this technical solution, the hinged folding joint allows the horizontal support rod to rotate freely around the hinge axis, which can adapt to the support requirements of different tilt angles. Moreover, the structure is simple, consisting of a hinge plate and bolts. During assembly, only the hole positions need to be aligned and the bolts tightened to complete the fixation. The manufacturing process is simple and the material cost is low.
[0020] Preferably, the inclined support rod has a hinge structure, and the secondary support rod is movably connected to the inclined support rod through the hinge structure.
[0021] Using this technical solution, the secondary support rod can rotate around the hinge structure, flexibly adjusting its connection position with the horizontal support rod, and further providing better support for the overall structure.
[0022] Preferably, the auxiliary support rod can be adjusted in position along the body of the horizontal support rod by means of a clamp-type buckle.
[0023] With this technical solution, when the secondary support rod rotates around the hinge structure, the connection position of the clamp and the secondary support rod with the horizontal support rod can be moved by loosening the bolts of the clamp-type buckle.
[0024] Preferably, the horizontal support rod is movably connected to the vertical rod via a clamp-type buckle.
[0025] Using this technical solution, by loosening the fasteners of the clamp-type buckle, the horizontal support rod can be quickly adjusted in the vertical direction of the upright to adjust its installation height.
[0026] In a second aspect, a cantilever slab formwork support system is provided, comprising a plurality of the aforementioned cantilever slab formwork supports, wherein a plurality of spacers are spaced apart at the top of the horizontal support rods for supporting the cantilever slab formwork, and the plurality of spacers are arranged orthogonally to the horizontal support rods.
[0027] The vertical setting of the isolation component refers to the placement of the isolation component within the plane formed by the template support, wherein the isolation component is perpendicular to the horizontal support rod, rather than perpendicular to the vertical direction of the disc-lock scaffold.
[0028] This solution can set up several cantilever slab template supports at the bottom of the cantilever slab according to the size of the cantilever slab. Since each cantilever slab template support only needs one horizontal support rod and one diagonal support rod for support, it is not necessary to set up a large number of ground steel pipe supports, thus achieving support for the cantilever slab while saving a lot of materials.
[0029] Compared with the prior art, the beneficial effects of this utility model are as follows: A cantilever slab formwork support is disclosed. This solution forms a cantilever slab formwork support through horizontal support rods, diagonal support rods, and secondary support rods. The disc-lock scaffolding is a structure already installed in the original construction process, i.e., an existing construction measure structure. The length of the horizontal support rod can be adjusted through the first expansion joint. Several secondary support rods are set between the horizontal support rod and the diagonal support rod to enhance the structural strength. Compared with the existing technology, which typically uses separate ground-mounted steel pipe supports for cantilever slab formwork supports on lower floors, requiring repeated erection of the cantilever slab formwork support for different cantilever slab lengths, this solution installs the support on the existing disc-lock scaffolding. By adjusting the length of the horizontal support rod, the repeated erection of the cantilever slab formwork support is eliminated, improving construction efficiency and practicality. A cantilever slab formwork support system is provided. According to the size of the cantilever slab, several cantilever slab formwork supports are set at the bottom of the cantilever slab. Since each cantilever slab formwork support only needs one horizontal support rod and one diagonal support rod for support, it is not necessary to set up a large number of ground steel pipe supports, thus achieving support for the cantilever slab while saving a lot of materials. Attached Figure Description Figure 1 This is a schematic diagram of a cantilever slab formwork support structure according to Embodiment 1; Figure 2 This is a schematic diagram of a cantilever slab formwork support structure according to Embodiment 2; Figure 3 This is a schematic diagram of the first expansion joint structure; Figure 4 This is a schematic diagram of a cantilever slab formwork support system (disc-lock scaffolding is not shown).
[0030] Marked in the image: 1-Horizontal support rod, 2-Diagonal support rod, 3-Secondary support rod, 4-First expansion joint, 5-First connecting rod, 6-Second connecting rod, 7-Upright pole, 8-Upright pole disc, 9-Isolation component. Detailed Implementation
[0031] The present invention will be further described in detail below with reference to specific embodiments. However, it should not be construed as limiting the scope of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.
[0032] Unless otherwise specified, the terms "upper," "lower," "left," "right," "center," "inner," and "outer" used in the description of specific embodiments of this utility model to indicate orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product / equipment / device is usually placed during use. These terms are merely for the purpose of facilitating the description of the utility model solution or simplifying the description in specific embodiments, and for enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on this utility model.
[0033] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," "parallel," and "coaxial" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, parallel, or coaxial. Slight tilt or deviation is permissible, as long as it does not affect the normal function of the relevant component. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," not that the structure must be perfectly horizontal; a slight tilt is acceptable. "Coaxial" means that two components are arranged as coaxially as possible, allowing them to move coaxially or approximately coaxially when their relative positions change. Alternatively, it can be simplified to mean that the corresponding device / component / element, when arranged in "horizontal," "vertical," "suspended," "parallel," or "coaxial" directions, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. For example, the deviation in the "coaxial" direction is controlled within 0.2-1mm, preferably within 0.2-0.5mm. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.
[0034] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing descriptions of identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.
[0035] Furthermore, in the description of the embodiments of this utility model, "several", "multiple", and "several" represent at least two. The number can be any number, such as two, three, four, five, six, seven, eight, or nine, and can even exceed nine.
[0036] Furthermore, in the description of the technical solution of this utility model, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "provided with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.
[0037] Example 1 like Figure 1-3As shown, a cantilever slab formwork support is installed on a disc-lock scaffold. The disc-lock scaffold includes uprights 7 and upright discs 8, with the upright discs 8 arranged longitudinally along the uprights 7. The formwork support includes horizontal support rods 1 and diagonal support rods 2. The horizontal support rod 1 is composed of a first connecting rod 5, a first telescopic joint 4, and a second connecting rod 6. One end of the horizontal support rod 1 is movably connected to the uprights 7. One end of the diagonal support rod 2 is hinged to the upright discs 8, and the other end of the diagonal support rod 2 is movably connected to the other end of the horizontal support rod 1. At least one auxiliary support rod 3 is provided between the horizontal support rod 1 and the diagonal support rod 2.
[0038] Disc-lock scaffolding refers to a type of socket-type steel pipe scaffolding, including uprights 7 and upright discs 8. The bottom of the uprights 7 is equipped with an adjustable base, and the top is equipped with a top support. The uprights 7 are the main load-bearing body of the disc-lock scaffolding. The nodes of the upright discs 8 are welded at certain intervals, 500mm or 750mm, on the uprights. The material is Q355B steel pipe. The diagonal and horizontal bars are connected through the uprights 7 and the upright discs 8, which has the advantages of strong stability and efficient assembly and disassembly.
[0039] The first expansion joint 4 is a screw-type expansion joint. When the first expansion joint 4 consists only of a single thread and a rod, the first connecting rod 5 is connected to one end of the single thread of the first expansion joint 4, and the second connecting rod 6 is connected to one end of the rod of the first expansion joint 4. When the first expansion joint 4 consists of a rod and threaded sections at both ends of the rod, the first connecting rod 5 is connected to one threaded section of the first expansion joint 4, and the second connecting rod 6 is connected to the other threaded section of the first expansion joint 4. Alternatively, the first expansion joint 4 can also be a basket-type expansion joint.
[0040] Specifically, a secondary support rod 3 is provided between the horizontal support rod 1 and the diagonal support rod 2; the first expansion joint 4, the first connecting rod 5, and the second connecting rod 6 are all connected at both ends by welding, such as... Figure 3 As shown, the first expansion joint 4 can be threaded at one end or at both ends.
[0041] In an optional embodiment, the inclined support rod 2 is composed of a third connecting rod, a second telescopic joint, and a fourth connecting rod, and the auxiliary support rod 3 is composed of a fifth connecting rod, a third telescopic joint, and a sixth connecting rod. The inclined support rod 2 can be adjusted synchronously with the horizontal support rod 1, which is beneficial for flexible matching of the inclined support rod 2, the horizontal support rod 1, and the cantilevered plate that needs to be supported. The second telescopic joint, the third connecting rod, and the fourth connecting rod are all connected by welding at both ends. The second telescopic joint can be threaded at one end or at both ends. The second telescopic joint and the third telescopic joint include, but are not limited to, screw-type telescopic joints and basket-type telescopic joints.
[0042] In an optional embodiment, the first expansion joint 4, the second expansion joint, and the third expansion joint are all screw-type expansion joints.
[0043] The first expansion joint 4, the second expansion joint, and the third expansion joint can all be composed of only a single thread and a rod, or they can be composed of a rod and threaded segments at both ends of the rod.
[0044] The secondary support rod 3 can be length adjusted according to the inclined support rod 2 and the horizontal support rod 1, which helps to improve the support effect of the secondary support rod 3; the third expansion joint, the fifth connecting rod and the sixth connecting rod are all connected by welding at both ends, and the third expansion joint can be threaded at one end or at both ends.
[0045] In an optional embodiment, the inclined support rod 2 and the upright disc 8 are connected by an inclined buckle hinge. The inclined buckle connects the inclined support rod 2 and the disc of the disc-lock scaffold. The inclined buckle and the hole of the disc are precisely matched and fit tightly after insertion, reducing the risk of loosening of the joint.
[0046] The inclined buckles include, but are not limited to, wedge-shaped pin type inclined rod buckles, rotatably adjustable inclined rod buckles, bolt-locking type inclined rod buckles, and quick-release type inclined rod buckles. The inclined support rod 2 is connected to the upright disc 8 of the disc-lock scaffold via a wedge-shaped pin type inclined rod buckle as follows: First, align the buckle plug at the end of the inclined support rod 2 with the dedicated inclined rod holes on the upright disc 8, typically four large holes, ensuring the plug direction is consistent with the support angle of the inclined support rod 2; forcefully insert the plug completely into the hole of the upright disc 8 until the root of the plug is tightly fitted to the surface of the upright disc 8 without any looseness or gaps; finally, insert the wedge-shaped pin along the wedge-shaped groove of the plug, and lightly tap the top of the pin with a hammer to fully lock it in place until the pin cannot be easily pulled out, utilizing the self-locking property of the wedge structure to lock the node.
[0047] In an optional embodiment, the inclined support rod 2 and the horizontal support rod 1 are movably connected by a folding joint. The folding joint allows the inclined support rod 2 to adjust the angle between the horizontal support rod 1 and the inclined support rod 2, thereby changing the force direction or support angle of the inclined support rod 2 to meet the adjustment requirements under different working conditions. The folding joint includes, but is not limited to, hinge structures, snap-fit structures, and universal structures. Specifically, the folding joint includes, but is not limited to, alloy hinge folding joints with spring snap-fit, 90-degree opening and closing alloy hinge folding joints, universal shaft folding joints, bolt-locking hinge folding joints, and quick-release wedge-shaped hinge folding joints.
[0048] The bolt-locking hinged folding joint is connected as follows: First, align one end ear plate of the bolt-locking hinged folding joint with the end of the inclined support rod 2, and fix it by welding or bolts to ensure that the connection surfaces are tightly fitted and without looseness. It should be noted that welding must be full welding, and bolt connections must be tightened with nuts. Align the other end ear plate of the bolt-locking hinged folding joint with the reserved connection position of the inclined buckle, insert the hinge shaft, and put on flat washers and spring washers to prevent the shaft from falling off. Rotate the bolt-locking hinged folding joint to adjust the inclined support rod 2 to the target direction, ensuring that the angle of the inclined rod meets the support requirements.
[0049] In an optional embodiment, the folding joint is a hinged folding joint, which allows the rod to rotate freely around the hinge axis, can adapt to the support requirements of different tilt angles, and has a simple structure, consisting of a hinge plate and bolts. During assembly, only the hole positions need to be aligned and the bolts tightened to complete the fixation. The manufacturing process is simple and the material cost is low.
[0050] In an optional embodiment, the body of the inclined support rod 2 is provided with a hinge structure, and the secondary support rod 3 is movably connected to the inclined support rod 2 through the hinge structure. The secondary support rod 3 can rotate around the hinge structure, flexibly adjusting its connection position with the horizontal support rod 1, thereby providing better support for the overall structure.
[0051] In an optional embodiment, the secondary support rod 3 can be adjusted in connection with the horizontal support rod 1 by setting a clamp-type buckle. When the secondary support rod 3 rotates around the hinge structure, the clamp-type buckle and the connection position between the secondary support rod 3 and the horizontal support rod 1 can be moved by loosening the bolts of the clamp-type buckle.
[0052] The clamp-type buckle consists of two arc-shaped steel plates, namely the clamp body, locking bolts, nuts, and washers. Some of them have anti-slip rubber pads or toothed inner side designs. When in use, the two arc-shaped steel plates are wrapped around the component to be fixed, the bolt holes are aligned, the bolts are inserted and tightened, and the clamp is radially contracted by the axial tension of the bolts to generate clamping force to achieve a stable fixation.
[0053] In an optional embodiment, the horizontal support rod 1 is movably connected to the vertical pole 7 via a clamp-type buckle. By loosening the fasteners of the clamp-type buckle, the horizontal support rod 1 can quickly adjust its installation height along the vertical direction of the vertical pole 7.
[0054] Example 2 A cantilever slab formwork support, whose structure is largely the same as that of Embodiment 1, differs in that, see [link to embodiment]. Figure 2Two auxiliary support rods 3 are provided between the inclined support rod 2 and the horizontal support rod 1. By providing two auxiliary support rods 3, the downward force applied to the cantilever plate can be better supported.
[0055] Example 3 like Figure 4 As shown, a cantilever slab formwork support system includes several cantilever slab formwork supports as described in Embodiment 1 or Embodiment 2. Several isolation members 9 are spaced apart at the top of the horizontal support rod 1 to support the cantilever slab formwork. The isolation members 9 are arranged orthogonally to the horizontal support rod 1.
[0056] The vertical setting of the isolation element 9 means that the isolation element 9 is set in the plane formed by the template support, and the isolation element 9 is perpendicular to the horizontal support rod 1, rather than perpendicular to the vertical direction of the disc-lock scaffold.
[0057] During implementation, a cantilever slab template support can be set at both ends of the bottom of the cantilever slab template. Alternatively, three or more cantilever slab template supports with the same spacing can be set according to the size of the cantilever slab template. Wooden boards, steel plates, or other isolation components 9 can be arranged between the horizontal support rod 1 and the cantilever slab template.
[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A cantilever slab formwork support, characterized in that, Installed on a disc-lock scaffold, the disc-lock scaffold includes uprights (7) and upright discs (8), the upright discs (8) are arranged longitudinally along the uprights (7); the template support includes horizontal support rods (1) and diagonal support rods (2), the horizontal support rod (1) is composed of a first connecting rod (5), a first telescopic joint (4) and a second connecting rod (6), one end of the horizontal support rod (1) is movably connected to the uprights (7); one end of the diagonal support rod (2) is connected to the upright discs (8) by a hinge, and the other end of the diagonal support rod (2) is movably connected to the other end of the horizontal support rod (1); at least one secondary support rod (3) is provided between the horizontal support rod (1) and the diagonal support rod (2).
2. The cantilever slab formwork support according to claim 1, characterized in that, The inclined support rod (2) is composed of a third connecting rod, a second telescopic joint and a fourth connecting rod, and the auxiliary support rod (3) is composed of a fifth connecting rod, a third telescopic joint and a sixth connecting rod.
3. The cantilever slab formwork support according to claim 2, characterized in that, The first expansion joint (4), the second expansion joint, and the third expansion joint are all screw-type expansion joints.
4. A cantilever slab formwork support according to claim 2, characterized in that, The inclined support rod (2) and the upright disc (8) are connected by an inclined buckle hinge.
5. A cantilever slab formwork support according to claim 4, characterized in that, The inclined support rod (2) and the horizontal support rod (1) are movably connected by a folding joint.
6. A cantilever slab formwork support according to claim 5, characterized in that, The folding joint is a hinged folding joint.
7. A cantilever slab formwork support according to claim 1, characterized in that, The inclined support rod (2) has a hinge structure, and the secondary support rod (3) is movably connected to the inclined support rod (2) through the hinge structure.
8. A cantilever slab formwork support according to claim 7, characterized in that, The auxiliary support rod (3) can be adjusted in connection position along the body of the horizontal support rod (1) by setting a clamp-type buckle.
9. A cantilever slab formwork support according to any one of claims 1-8, characterized in that, The horizontal support rod (1) is movably connected to the vertical rod (7) by a clamp-type buckle.
10. A cantilever slab formwork support system, characterized in that, The support includes several cantilever slab template supports as described in any one of claims 1-9, wherein several isolation members (9) are spaced apart at the top of the horizontal support rod (1) to support the cantilever slab template, and the several isolation members (9) are arranged orthogonally to the horizontal support rod (1).
